git.oblomov.eu Git - linux-2.6/blob - drivers/scsi/ips.c

   1 /*****************************************************************************/
   2 /* ips.c -- driver for the Adaptec / IBM ServeRAID controller                */
   3 /*                                                                           */
   4 /* Written By: Keith Mitchell, IBM Corporation                               */
   5 /*             Jack Hammer, Adaptec, Inc.                                    */
   6 /*             David Jeffery, Adaptec, Inc.                                  */
   7 /*                                                                           */
   8 /* Copyright (C) 2000 IBM Corporation                                        */
   9 /* Copyright (C) 2002,2003 Adaptec, Inc.                                     */
  10 /*                                                                           */
  11 /* This program is free software; you can redistribute it and/or modify      */
  12 /* it under the terms of the GNU General Public License as published by      */
  13 /* the Free Software Foundation; either version 2 of the License, or         */
  14 /* (at your option) any later version.                                       */
  15 /*                                                                           */
  16 /* This program is distributed in the hope that it will be useful,           */
  17 /* but WITHOUT ANY WARRANTY; without even the implied warranty of            */
  18 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             */
  19 /* GNU General Public License for more details.                              */
  20 /*                                                                           */
  21 /* NO WARRANTY                                                               */
  22 /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR        */
  23 /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT      */
  24 /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,      */
  25 /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is    */
  26 /* solely responsible for determining the appropriateness of using and       */
  27 /* distributing the Program and assumes all risks associated with its        */
  28 /* exercise of rights under this Agreement, including but not limited to     */
  29 /* the risks and costs of program errors, damage to or loss of data,         */
  30 /* programs or equipment, and unavailability or interruption of operations.  */
  31 /*                                                                           */
  32 /* DISCLAIMER OF LIABILITY                                                   */
  33 /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY   */
  34 /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL        */
  35 /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND   */
  36 /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR     */
  37 /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE    */
  38 /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED  */
  39 /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES             */
  40 /*                                                                           */
  41 /* You should have received a copy of the GNU General Public License         */
  42 /* along with this program; if not, write to the Free Software               */
  43 /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  44 /*                                                                           */
  45 /* Bugs/Comments/Suggestions about this driver should be mailed to:          */
  46 /*      ipslinux@adaptec.com                                                 */
  47 /*                                                                           */
  48 /* For system support issues, contact your local IBM Customer support.       */
  49 /* Directions to find IBM Customer Support for each country can be found at: */
  50 /*      http://www.ibm.com/planetwide/                                       */
  51 /*                                                                           */
  52 /*****************************************************************************/
  53
  54 /*****************************************************************************/
  55 /* Change Log                                                                */
  56 /*                                                                           */
  57 /* 0.99.02  - Breakup commands that are bigger than 8 * the stripe size      */
  58 /* 0.99.03  - Make interrupt routine handle all completed request on the     */
  59 /*            adapter not just the first one                                 */
  60 /*          - Make sure passthru commands get woken up if we run out of      */
  61 /*            SCBs                                                           */
  62 /*          - Send all of the commands on the queue at once rather than      */
  63 /*            one at a time since the card will support it.                  */
  64 /* 0.99.04  - Fix race condition in the passthru mechanism -- this required  */
  65 /*            the interface to the utilities to change                       */
  66 /*          - Fix error recovery code                                        */
  67 /* 0.99.05  - Fix an oops when we get certain passthru commands              */
  68 /* 1.00.00  - Initial Public Release                                         */
  69 /*            Functionally equivalent to 0.99.05                             */
  70 /* 3.60.00  - Bump max commands to 128 for use with firmware 3.60            */
  71 /*          - Change version to 3.60 to coincide with release numbering.     */
  72 /* 3.60.01  - Remove bogus error check in passthru routine                   */
  73 /* 3.60.02  - Make DCDB direction based on lookup table                      */
  74 /*          - Only allow one DCDB command to a SCSI ID at a time             */
  75 /* 4.00.00  - Add support for ServeRAID 4                                    */
  76 /* 4.00.01  - Add support for First Failure Data Capture                     */
  77 /* 4.00.02  - Fix problem with PT DCDB with no buffer                        */
  78 /* 4.00.03  - Add alternative passthru interface                             */
  79 /*          - Add ability to flash BIOS                                      */
  80 /* 4.00.04  - Rename structures/constants to be prefixed with IPS_           */
  81 /* 4.00.05  - Remove wish_block from init routine                            */
  82 /*          - Use linux/spinlock.h instead of asm/spinlock.h for kernels     */
  83 /*            2.3.18 and later                                               */
  84 /*          - Sync with other changes from the 2.3 kernels                   */
  85 /* 4.00.06  - Fix timeout with initial FFDC command                          */
  86 /* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */
  87 /* 4.10.00  - Add support for ServeRAID 4M/4L                                */
  88 /* 4.10.13  - Fix for dynamic unload and proc file system                    */
  89 /* 4.20.03  - Rename version to coincide with new release schedules          */
  90 /*            Performance fixes                                              */
  91 /*            Fix truncation of /proc files with cat                         */
  92 /*            Merge in changes through kernel 2.4.0test1ac21                 */
  93 /* 4.20.13  - Fix some failure cases / reset code                            */
  94 /*          - Hook into the reboot_notifier to flush the controller cache    */
  95 /* 4.50.01  - Fix problem when there is a hole in logical drive numbering    */
  96 /* 4.70.09  - Use a Common ( Large Buffer ) for Flashing from the JCRM CD    */
  97 /*          - Add IPSSEND Flash Support                                      */
  98 /*          - Set Sense Data for Unknown SCSI Command                        */
  99 /*          - Use Slot Number from NVRAM Page 5                              */
 100 /*          - Restore caller's DCDB Structure                                */
 101 /* 4.70.12  - Corrective actions for bad controller ( during initialization )*/
 102 /* 4.70.13  - Don't Send CDB's if we already know the device is not present  */
 103 /*          - Don't release HA Lock in ips_next() until SC taken off queue   */
 104 /*          - Unregister SCSI device in ips_release()                        */
 105 /* 4.70.15  - Fix Breakup for very large ( non-SG ) requests in ips_done()   */
 106 /* 4.71.00  - Change all memory allocations to not use GFP_DMA flag          */
 107 /*            Code Clean-Up for 2.4.x kernel                                 */
 108 /* 4.72.00  - Allow for a Scatter-Gather Element to exceed MAX_XFER Size     */
 109 /* 4.72.01  - I/O Mapped Memory release ( so "insmod ips" does not Fail )    */
 110 /*          - Don't Issue Internal FFDC Command if there are Active Commands */
 111 /*          - Close Window for getting too many IOCTL's active               */
 112 /* 4.80.00  - Make ia64 Safe                                                 */
 113 /* 4.80.04  - Eliminate calls to strtok() if 2.4.x or greater                */
 114 /*          - Adjustments to Device Queue Depth                              */
 115 /* 4.80.14  - Take all semaphores off stack                                  */
 116 /*          - Clean Up New_IOCTL path                                        */
 117 /* 4.80.20  - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel )  */
 118 /*          - 5 second delay needed after resetting an i960 adapter          */
 119 /* 4.80.26  - Clean up potential code problems ( Arjan's recommendations )   */
 120 /* 4.90.01  - Version Matching for FirmWare, BIOS, and Driver                */
 121 /* 4.90.05  - Use New PCI Architecture to facilitate Hot Plug Development    */
 122 /* 4.90.08  - Increase Delays in Flashing ( Trombone Only - 4H )             */
 123 /* 4.90.08  - Data Corruption if First Scatter Gather Element is > 64K       */
 124 /* 4.90.11  - Don't actually RESET unless it's physically required           */
 125 /*          - Remove unused compile options                                  */
 126 /* 5.00.01  - Sarasota ( 5i ) adapters must always be scanned first          */
 127 /*          - Get rid on IOCTL_NEW_COMMAND code                              */
 128 /*          - Add Extended DCDB Commands for Tape Support in 5I              */
 129 /* 5.10.12  - use pci_dma interfaces, update for 2.5 kernel changes          */
 130 /* 5.10.15  - remove unused code (sem, macros, etc.)                         */
 131 /* 5.30.00  - use __devexit_p()                                              */
 132 /* 6.00.00  - Add 6x Adapters and Battery Flash                              */
 133 /* 6.10.00  - Remove 1G Addressing Limitations                               */
 134 /* 6.11.xx  - Get VersionInfo buffer off the stack !              DDTS 60401 */
 135 /* 6.11.xx  - Make Logical Drive Info structure safe for DMA      DDTS 60639 */
 136 /* 7.10.18  - Add highmem_io flag in SCSI Templete for 2.4 kernels           */
 137 /*          - Fix path/name for scsi_hosts.h include for 2.6 kernels         */
 138 /*          - Fix sort order of 7k                                           */
 139 /*          - Remove 3 unused "inline" functions                             */
 140 /* 7.12.xx  - Use STATIC functions whereever possible                        */
 141 /*          - Clean up deprecated MODULE_PARM calls                          */
 142 /* 7.12.05  - Remove Version Matching per IBM request                        */
 143 /*****************************************************************************/
 144
 145 /*
 146  * Conditional Compilation directives for this driver:
 147  *
 148  * IPS_DEBUG            - Turn on debugging info
 149  *
 150  * Parameters:
 151  *
 152  * debug:<number>       - Set debug level to <number>
 153  *                        NOTE: only works when IPS_DEBUG compile directive is used.
 154  *       1              - Normal debug messages
 155  *       2              - Verbose debug messages
 156  *       11             - Method trace (non interrupt)
 157  *       12             - Method trace (includes interrupt)
 158  *
 159  * noi2o                - Don't use I2O Queues (ServeRAID 4 only)
 160  * nommap               - Don't use memory mapped I/O
 161  * ioctlsize            - Initial size of the IOCTL buffer
 162  */
 163
 164 #include <asm/io.h>
 165 #include <asm/byteorder.h>
 166 #include <asm/page.h>
 167 #include <linux/stddef.h>
 168 #include <linux/version.h>
 169 #include <linux/string.h>
 170 #include <linux/errno.h>
 171 #include <linux/kernel.h>
 172 #include <linux/ioport.h>
 173 #include <linux/slab.h>
 174 #include <linux/delay.h>
 175 #include <linux/pci.h>
 176 #include <linux/proc_fs.h>
 177 #include <linux/reboot.h>
 178 #include <linux/interrupt.h>
 179
 180 #include <linux/blkdev.h>
 181 #include <linux/types.h>
 182 #include <linux/dma-mapping.h>
 183
 184 #include <scsi/sg.h>
 185 #include "scsi.h"
 186 #include <scsi/scsi_host.h>
 187
 188 #include "ips.h"
 189
 190 #include <linux/module.h>
 191
 192 #include <linux/stat.h>
 193
 194 #include <linux/spinlock.h>
 195 #include <linux/init.h>
 196
 197 #include <linux/smp.h>
 198
 199 #ifdef MODULE
 200 static char *ips = NULL;
 201 module_param(ips, charp, 0);
 202 #endif
 203
 204 /*
 205  * DRIVER_VER
 206  */
 207 #define IPS_VERSION_HIGH        IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING
 208 #define IPS_VERSION_LOW         "." IPS_VER_BUILD_STRING " "
 209
 210 #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
 211 #warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
 212 #endif
 213
 214 #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
 215                          DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
 216                          PCI_DMA_BIDIRECTIONAL : \
 217                          scb->scsi_cmd->sc_data_direction)
 218
 219 #ifdef IPS_DEBUG
 220 #define METHOD_TRACE(s, i)    if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n");
 221 #define DEBUG(i, s)           if (ips_debug >= i) printk(KERN_NOTICE s "\n");
 222 #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v);
 223 #else
 224 #define METHOD_TRACE(s, i)
 225 #define DEBUG(i, s)
 226 #define DEBUG_VAR(i, s, v...)
 227 #endif
 228
 229 /*
 230  * Function prototypes
 231  */
 232 static int ips_detect(struct scsi_host_template *);
 233 static int ips_release(struct Scsi_Host *);
 234 static int ips_eh_abort(struct scsi_cmnd *);
 235 static int ips_eh_reset(struct scsi_cmnd *);
 236 static int ips_queue(struct scsi_cmnd *, void (*)(struct scsi_cmnd *));
 237 static const char *ips_info(struct Scsi_Host *);
 238 static irqreturn_t do_ipsintr(int, void *);
 239 static int ips_hainit(ips_ha_t *);
 240 static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
 241 static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
 242 static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
 243 static int ips_online(ips_ha_t *, ips_scb_t *);
 244 static int ips_inquiry(ips_ha_t *, ips_scb_t *);
 245 static int ips_rdcap(ips_ha_t *, ips_scb_t *);
 246 static int ips_msense(ips_ha_t *, ips_scb_t *);
 247 static int ips_reqsen(ips_ha_t *, ips_scb_t *);
 248 static int ips_deallocatescbs(ips_ha_t *, int);
 249 static int ips_allocatescbs(ips_ha_t *);
 250 static int ips_reset_copperhead(ips_ha_t *);
 251 static int ips_reset_copperhead_memio(ips_ha_t *);
 252 static int ips_reset_morpheus(ips_ha_t *);
 253 static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
 254 static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
 255 static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
 256 static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
 257 static int ips_isintr_copperhead(ips_ha_t *);
 258 static int ips_isintr_copperhead_memio(ips_ha_t *);
 259 static int ips_isintr_morpheus(ips_ha_t *);
 260 static int ips_wait(ips_ha_t *, int, int);
 261 static int ips_write_driver_status(ips_ha_t *, int);
 262 static int ips_read_adapter_status(ips_ha_t *, int);
 263 static int ips_read_subsystem_parameters(ips_ha_t *, int);
 264 static int ips_read_config(ips_ha_t *, int);
 265 static int ips_clear_adapter(ips_ha_t *, int);
 266 static int ips_readwrite_page5(ips_ha_t *, int, int);
 267 static int ips_init_copperhead(ips_ha_t *);
 268 static int ips_init_copperhead_memio(ips_ha_t *);
 269 static int ips_init_morpheus(ips_ha_t *);
 270 static int ips_isinit_copperhead(ips_ha_t *);
 271 static int ips_isinit_copperhead_memio(ips_ha_t *);
 272 static int ips_isinit_morpheus(ips_ha_t *);
 273 static int ips_erase_bios(ips_ha_t *);
 274 static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
 275 static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
 276 static int ips_erase_bios_memio(ips_ha_t *);
 277 static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
 278 static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
 279 static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
 280 static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
 281 static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
 282 static void ips_free_flash_copperhead(ips_ha_t * ha);
 283 static void ips_get_bios_version(ips_ha_t *, int);
 284 static void ips_identify_controller(ips_ha_t *);
 285 static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
 286 static void ips_enable_int_copperhead(ips_ha_t *);
 287 static void ips_enable_int_copperhead_memio(ips_ha_t *);
 288 static void ips_enable_int_morpheus(ips_ha_t *);
 289 static int ips_intr_copperhead(ips_ha_t *);
 290 static int ips_intr_morpheus(ips_ha_t *);
 291 static void ips_next(ips_ha_t *, int);
 292 static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
 293 static void ipsintr_done(ips_ha_t *, struct ips_scb *);
 294 static void ips_done(ips_ha_t *, ips_scb_t *);
 295 static void ips_free(ips_ha_t *);
 296 static void ips_init_scb(ips_ha_t *, ips_scb_t *);
 297 static void ips_freescb(ips_ha_t *, ips_scb_t *);
 298 static void ips_setup_funclist(ips_ha_t *);
 299 static void ips_statinit(ips_ha_t *);
 300 static void ips_statinit_memio(ips_ha_t *);
 301 static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t);
 302 static void ips_ffdc_reset(ips_ha_t *, int);
 303 static void ips_ffdc_time(ips_ha_t *);
 304 static uint32_t ips_statupd_copperhead(ips_ha_t *);
 305 static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
 306 static uint32_t ips_statupd_morpheus(ips_ha_t *);
 307 static ips_scb_t *ips_getscb(ips_ha_t *);
 308 static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
 309 static void ips_putq_wait_tail(ips_wait_queue_t *, struct scsi_cmnd *);
 310 static void ips_putq_copp_tail(ips_copp_queue_t *,
 311                                       ips_copp_wait_item_t *);
 312 static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
 313 static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
 314 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *);
 315 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *,
 316                                           struct scsi_cmnd *);
 317 static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
 318                                                      ips_copp_wait_item_t *);
 319 static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
 320
 321 static int ips_is_passthru(struct scsi_cmnd *);
 322 static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
 323 static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
 324 static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
 325 static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
 326                                unsigned int count);
 327 static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
 328                               unsigned int count);
 329
 330 static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
 331 static int ips_host_info(ips_ha_t *, char *, off_t, int);
 332 static void copy_mem_info(IPS_INFOSTR *, char *, int);
 333 static int copy_info(IPS_INFOSTR *, char *, ...);
 334 static int ips_abort_init(ips_ha_t * ha, int index);
 335 static int ips_init_phase2(int index);
 336
 337 static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
 338 static int ips_register_scsi(int index);
 339
 340 static int  ips_poll_for_flush_complete(ips_ha_t * ha);
 341 static void ips_flush_and_reset(ips_ha_t *ha);
 342
 343 /*
 344  * global variables
 345  */
 346 static const char ips_name[] = "ips";
 347 static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS];      /* Array of host controller structures */
 348 static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS];      /* Array of HA structures */
 349 static unsigned int ips_next_controller;
 350 static unsigned int ips_num_controllers;
 351 static unsigned int ips_released_controllers;
 352 static int ips_hotplug;
 353 static int ips_cmd_timeout = 60;
 354 static int ips_reset_timeout = 60 * 5;
 355 static int ips_force_memio = 1;         /* Always use Memory Mapped I/O    */
 356 static int ips_force_i2o = 1;   /* Always use I2O command delivery */
 357 static int ips_ioctlsize = IPS_IOCTL_SIZE;      /* Size of the ioctl buffer        */
 358 static int ips_cd_boot;                 /* Booting from Manager CD         */
 359 static char *ips_FlashData = NULL;      /* CD Boot - Flash Data Buffer      */
 360 static dma_addr_t ips_flashbusaddr;
 361 static long ips_FlashDataInUse;         /* CD Boot - Flash Data In Use Flag */
 362 static uint32_t MaxLiteCmds = 32;       /* Max Active Cmds for a Lite Adapter */
 363 static struct scsi_host_template ips_driver_template = {
 364         .detect                 = ips_detect,
 365         .release                = ips_release,
 366         .info                   = ips_info,
 367         .queuecommand           = ips_queue,
 368         .eh_abort_handler       = ips_eh_abort,
 369         .eh_host_reset_handler  = ips_eh_reset,
 370         .proc_name              = "ips",
 371         .proc_info              = ips_proc_info,
 372         .slave_configure        = ips_slave_configure,
 373         .bios_param             = ips_biosparam,
 374         .this_id                = -1,
 375         .sg_tablesize           = IPS_MAX_SG,
 376         .cmd_per_lun            = 3,
 377         .use_clustering         = ENABLE_CLUSTERING,
 378 };
 379
 380
 381 /* This table describes all ServeRAID Adapters */
 382 static struct  pci_device_id  ips_pci_table[] = {
 383         { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
 384         { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
 385         { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
 386         { 0, }
 387 };
 388
 389 MODULE_DEVICE_TABLE( pci, ips_pci_table );
 390
 391 static char ips_hot_plug_name[] = "ips";
 392
 393 static int __devinit  ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
 394 static void __devexit ips_remove_device(struct pci_dev *pci_dev);
 395
 396 static struct pci_driver ips_pci_driver = {
 397         .name           = ips_hot_plug_name,
 398         .id_table       = ips_pci_table,
 399         .probe          = ips_insert_device,
 400         .remove         = __devexit_p(ips_remove_device),
 401 };
 402
 403
 404 /*
 405  * Necessary forward function protoypes
 406  */
 407 static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
 408
 409 #define MAX_ADAPTER_NAME 15
 410
 411 static char ips_adapter_name[][30] = {
 412         "ServeRAID",
 413         "ServeRAID II",
 414         "ServeRAID on motherboard",
 415         "ServeRAID on motherboard",
 416         "ServeRAID 3H",
 417         "ServeRAID 3L",
 418         "ServeRAID 4H",
 419         "ServeRAID 4M",
 420         "ServeRAID 4L",
 421         "ServeRAID 4Mx",
 422         "ServeRAID 4Lx",
 423         "ServeRAID 5i",
 424         "ServeRAID 5i",
 425         "ServeRAID 6M",
 426         "ServeRAID 6i",
 427         "ServeRAID 7t",
 428         "ServeRAID 7k",
 429         "ServeRAID 7M"
 430 };
 431
 432 static struct notifier_block ips_notifier = {
 433         ips_halt, NULL, 0
 434 };
 435
 436 /*
 437  * Direction table
 438  */
 439 static char ips_command_direction[] = {
 440         IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
 441         IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
 442         IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 443         IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
 444         IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
 445         IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
 446         IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
 447         IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
 448         IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
 449         IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
 450         IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
 451         IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
 452         IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
 453         IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
 454         IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
 455         IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
 456         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 457         IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 458         IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 459         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 460         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 461         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 462         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 463         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 464         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 465         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 466         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 467         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 468         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 469         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 470         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 471         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 472         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 473         IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
 474         IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
 475         IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
 476         IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
 477         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 478         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 479         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 480         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 481         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 482         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 483         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 484         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 485         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 486         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT,
 487         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 488         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 489         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
 490         IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK
 491 };
 492
 493
 494 /****************************************************************************/
 495 /*                                                                          */
 496 /* Routine Name: ips_setup                                                  */
 497 /*                                                                          */
 498 /* Routine Description:                                                     */
 499 /*                                                                          */
 500 /*   setup parameters to the driver                                         */
 501 /*                                                                          */
 502 /****************************************************************************/
 503 static int
 504 ips_setup(char *ips_str)
 505 {
 506
 507         int i;
 508         char *key;
 509         char *value;
 510         IPS_OPTION options[] = {
 511                 {"noi2o", &ips_force_i2o, 0},
 512                 {"nommap", &ips_force_memio, 0},
 513                 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
 514                 {"cdboot", &ips_cd_boot, 0},
 515                 {"maxcmds", &MaxLiteCmds, 32},
 516         };
 517
 518         /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
 519         /* Search for value */
 520         while ((key = strsep(&ips_str, ",."))) {
 521                 if (!*key)
 522                         continue;
 523                 value = strchr(key, ':');
 524                 if (value)
 525                         *value++ = '\0';
 526                 /*
 527                  * We now have key/value pairs.
 528                  * Update the variables
 529                  */
 530                 for (i = 0; i < ARRAY_SIZE(options); i++) {
 531                         if (strnicmp
 532                             (key, options[i].option_name,
 533                              strlen(options[i].option_name)) == 0) {
 534                                 if (value)
 535                                         *options[i].option_flag =
 536                                             simple_strtoul(value, NULL, 0);
 537                                 else
 538                                         *options[i].option_flag =
 539                                             options[i].option_value;
 540                                 break;
 541                         }
 542                 }
 543         }
 544
 545         return (1);
 546 }
 547
 548 __setup("ips=", ips_setup);
 549
 550 /****************************************************************************/
 551 /*                                                                          */
 552 /* Routine Name: ips_detect                                                 */
 553 /*                                                                          */
 554 /* Routine Description:                                                     */
 555 /*                                                                          */
 556 /*   Detect and initialize the driver                                       */
 557 /*                                                                          */
 558 /* NOTE: this routine is called under the io_request_lock spinlock          */
 559 /*                                                                          */
 560 /****************************************************************************/
 561 static int
 562 ips_detect(struct scsi_host_template * SHT)
 563 {
 564         int i;
 565
 566         METHOD_TRACE("ips_detect", 1);
 567
 568 #ifdef MODULE
 569         if (ips)
 570                 ips_setup(ips);
 571 #endif
 572
 573         for (i = 0; i < ips_num_controllers; i++) {
 574                 if (ips_register_scsi(i))
 575                         ips_free(ips_ha[i]);
 576                 ips_released_controllers++;
 577         }
 578         ips_hotplug = 1;
 579         return (ips_num_controllers);
 580 }
 581
 582 /****************************************************************************/
 583 /*   configure the function pointers to use the functions that will work    */
 584 /*   with the found version of the adapter                                  */
 585 /****************************************************************************/
 586 static void
 587 ips_setup_funclist(ips_ha_t * ha)
 588 {
 589
 590         /*
 591          * Setup Functions
 592          */
 593         if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
 594                 /* morpheus / marco / sebring */
 595                 ha->func.isintr = ips_isintr_morpheus;
 596                 ha->func.isinit = ips_isinit_morpheus;
 597                 ha->func.issue = ips_issue_i2o_memio;
 598                 ha->func.init = ips_init_morpheus;
 599                 ha->func.statupd = ips_statupd_morpheus;
 600                 ha->func.reset = ips_reset_morpheus;
 601                 ha->func.intr = ips_intr_morpheus;
 602                 ha->func.enableint = ips_enable_int_morpheus;
 603         } else if (IPS_USE_MEMIO(ha)) {
 604                 /* copperhead w/MEMIO */
 605                 ha->func.isintr = ips_isintr_copperhead_memio;
 606                 ha->func.isinit = ips_isinit_copperhead_memio;
 607                 ha->func.init = ips_init_copperhead_memio;
 608                 ha->func.statupd = ips_statupd_copperhead_memio;
 609                 ha->func.statinit = ips_statinit_memio;
 610                 ha->func.reset = ips_reset_copperhead_memio;
 611                 ha->func.intr = ips_intr_copperhead;
 612                 ha->func.erasebios = ips_erase_bios_memio;
 613                 ha->func.programbios = ips_program_bios_memio;
 614                 ha->func.verifybios = ips_verify_bios_memio;
 615                 ha->func.enableint = ips_enable_int_copperhead_memio;
 616                 if (IPS_USE_I2O_DELIVER(ha))
 617                         ha->func.issue = ips_issue_i2o_memio;
 618                 else
 619                         ha->func.issue = ips_issue_copperhead_memio;
 620         } else {
 621                 /* copperhead */
 622                 ha->func.isintr = ips_isintr_copperhead;
 623                 ha->func.isinit = ips_isinit_copperhead;
 624                 ha->func.init = ips_init_copperhead;
 625                 ha->func.statupd = ips_statupd_copperhead;
 626                 ha->func.statinit = ips_statinit;
 627                 ha->func.reset = ips_reset_copperhead;
 628                 ha->func.intr = ips_intr_copperhead;
 629                 ha->func.erasebios = ips_erase_bios;
 630                 ha->func.programbios = ips_program_bios;
 631                 ha->func.verifybios = ips_verify_bios;
 632                 ha->func.enableint = ips_enable_int_copperhead;
 633
 634                 if (IPS_USE_I2O_DELIVER(ha))
 635                         ha->func.issue = ips_issue_i2o;
 636                 else
 637                         ha->func.issue = ips_issue_copperhead;
 638         }
 639 }
 640
 641 /****************************************************************************/
 642 /*                                                                          */
 643 /* Routine Name: ips_release                                                */
 644 /*                                                                          */
 645 /* Routine Description:                                                     */
 646 /*                                                                          */
 647 /*   Remove a driver                                                        */
 648 /*                                                                          */
 649 /****************************************************************************/
 650 static int
 651 ips_release(struct Scsi_Host *sh)
 652 {
 653         ips_scb_t *scb;
 654         ips_ha_t *ha;
 655         int i;
 656
 657         METHOD_TRACE("ips_release", 1);
 658
 659         scsi_remove_host(sh);
 660
 661         for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
 662
 663         if (i == IPS_MAX_ADAPTERS) {
 664                 printk(KERN_WARNING
 665                        "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
 666                 BUG();
 667                 return (FALSE);
 668         }
 669
 670         ha = IPS_HA(sh);
 671
 672         if (!ha)
 673                 return (FALSE);
 674
 675         /* flush the cache on the controller */
 676         scb = &ha->scbs[ha->max_cmds - 1];
 677
 678         ips_init_scb(ha, scb);
 679
 680         scb->timeout = ips_cmd_timeout;
 681         scb->cdb[0] = IPS_CMD_FLUSH;
 682
 683         scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
 684         scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
 685         scb->cmd.flush_cache.state = IPS_NORM_STATE;
 686         scb->cmd.flush_cache.reserved = 0;
 687         scb->cmd.flush_cache.reserved2 = 0;
 688         scb->cmd.flush_cache.reserved3 = 0;
 689         scb->cmd.flush_cache.reserved4 = 0;
 690
 691         IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
 692
 693         /* send command */
 694         if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
 695                 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
 696
 697         IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
 698
 699         ips_sh[i] = NULL;
 700         ips_ha[i] = NULL;
 701
 702         /* free extra memory */
 703         ips_free(ha);
 704
 705         /* free IRQ */
 706         free_irq(ha->pcidev->irq, ha);
 707
 708         scsi_host_put(sh);
 709
 710         ips_released_controllers++;
 711
 712         return (FALSE);
 713 }
 714
 715 /****************************************************************************/
 716 /*                                                                          */
 717 /* Routine Name: ips_halt                                                   */
 718 /*                                                                          */
 719 /* Routine Description:                                                     */
 720 /*                                                                          */
 721 /*   Perform cleanup when the system reboots                                */
 722 /*                                                                          */
 723 /****************************************************************************/
 724 static int
 725 ips_halt(struct notifier_block *nb, ulong event, void *buf)
 726 {
 727         ips_scb_t *scb;
 728         ips_ha_t *ha;
 729         int i;
 730
 731         if ((event != SYS_RESTART) && (event != SYS_HALT) &&
 732             (event != SYS_POWER_OFF))
 733                 return (NOTIFY_DONE);
 734
 735         for (i = 0; i < ips_next_controller; i++) {
 736                 ha = (ips_ha_t *) ips_ha[i];
 737
 738                 if (!ha)
 739                         continue;
 740
 741                 if (!ha->active)
 742                         continue;
 743
 744                 /* flush the cache on the controller */
 745                 scb = &ha->scbs[ha->max_cmds - 1];
 746
 747                 ips_init_scb(ha, scb);
 748
 749                 scb->timeout = ips_cmd_timeout;
 750                 scb->cdb[0] = IPS_CMD_FLUSH;
 751
 752                 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
 753                 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
 754                 scb->cmd.flush_cache.state = IPS_NORM_STATE;
 755                 scb->cmd.flush_cache.reserved = 0;
 756                 scb->cmd.flush_cache.reserved2 = 0;
 757                 scb->cmd.flush_cache.reserved3 = 0;
 758                 scb->cmd.flush_cache.reserved4 = 0;
 759
 760                 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
 761
 762                 /* send command */
 763                 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
 764                     IPS_FAILURE)
 765                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
 766                                    "Incomplete Flush.\n");
 767                 else
 768                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
 769                                    "Flushing Complete.\n");
 770         }
 771
 772         return (NOTIFY_OK);
 773 }
 774
 775 /****************************************************************************/
 776 /*                                                                          */
 777 /* Routine Name: ips_eh_abort                                               */
 778 /*                                                                          */
 779 /* Routine Description:                                                     */
 780 /*                                                                          */
 781 /*   Abort a command (using the new error code stuff)                       */
 782 /* Note: this routine is called under the io_request_lock                   */
 783 /****************************************************************************/
 784 int ips_eh_abort(struct scsi_cmnd *SC)
 785 {
 786         ips_ha_t *ha;
 787         ips_copp_wait_item_t *item;
 788         int ret;
 789         struct Scsi_Host *host;
 790
 791         METHOD_TRACE("ips_eh_abort", 1);
 792
 793         if (!SC)
 794                 return (FAILED);
 795
 796         host = SC->device->host;
 797         ha = (ips_ha_t *) SC->device->host->hostdata;
 798
 799         if (!ha)
 800                 return (FAILED);
 801
 802         if (!ha->active)
 803                 return (FAILED);
 804
 805         spin_lock(host->host_lock);
 806
 807         /* See if the command is on the copp queue */
 808         item = ha->copp_waitlist.head;
 809         while ((item) && (item->scsi_cmd != SC))
 810                 item = item->next;
 811
 812         if (item) {
 813                 /* Found it */
 814                 ips_removeq_copp(&ha->copp_waitlist, item);
 815                 ret = (SUCCESS);
 816
 817                 /* See if the command is on the wait queue */
 818         } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
 819                 /* command not sent yet */
 820                 ret = (SUCCESS);
 821         } else {
 822                 /* command must have already been sent */
 823                 ret = (FAILED);
 824         }
 825
 826         spin_unlock(host->host_lock);
 827         return ret;
 828 }
 829
 830 /****************************************************************************/
 831 /*                                                                          */
 832 /* Routine Name: ips_eh_reset                                               */
 833 /*                                                                          */
 834 /* Routine Description:                                                     */
 835 /*                                                                          */
 836 /*   Reset the controller (with new eh error code)                          */
 837 /*                                                                          */
 838 /* NOTE: this routine is called under the io_request_lock spinlock          */
 839 /*                                                                          */
 840 /****************************************************************************/
 841 static int __ips_eh_reset(struct scsi_cmnd *SC)
 842 {
 843         int ret;
 844         int i;
 845         ips_ha_t *ha;
 846         ips_scb_t *scb;
 847         ips_copp_wait_item_t *item;
 848
 849         METHOD_TRACE("ips_eh_reset", 1);
 850
 851 #ifdef NO_IPS_RESET
 852         return (FAILED);
 853 #else
 854
 855         if (!SC) {
 856                 DEBUG(1, "Reset called with NULL scsi command");
 857
 858                 return (FAILED);
 859         }
 860
 861         ha = (ips_ha_t *) SC->device->host->hostdata;
 862
 863         if (!ha) {
 864                 DEBUG(1, "Reset called with NULL ha struct");
 865
 866                 return (FAILED);
 867         }
 868
 869         if (!ha->active)
 870                 return (FAILED);
 871
 872         /* See if the command is on the copp queue */
 873         item = ha->copp_waitlist.head;
 874         while ((item) && (item->scsi_cmd != SC))
 875                 item = item->next;
 876
 877         if (item) {
 878                 /* Found it */
 879                 ips_removeq_copp(&ha->copp_waitlist, item);
 880                 return (SUCCESS);
 881         }
 882
 883         /* See if the command is on the wait queue */
 884         if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
 885                 /* command not sent yet */
 886                 return (SUCCESS);
 887         }
 888
 889         /* An explanation for the casual observer:                              */
 890         /* Part of the function of a RAID controller is automatic error         */
 891         /* detection and recovery.  As such, the only problem that physically   */
 892         /* resetting an adapter will ever fix is when, for some reason,         */
 893         /* the driver is not successfully communicating with the adapter.       */
 894         /* Therefore, we will attempt to flush this adapter.  If that succeeds, */
 895         /* then there's no real purpose in a physical reset. This will complete */
 896         /* much faster and avoids any problems that might be caused by a        */
 897         /* physical reset ( such as having to fail all the outstanding I/O's ). */
 898
 899         if (ha->ioctl_reset == 0) {     /* IF Not an IOCTL Requested Reset */
 900                 scb = &ha->scbs[ha->max_cmds - 1];
 901
 902                 ips_init_scb(ha, scb);
 903
 904                 scb->timeout = ips_cmd_timeout;
 905                 scb->cdb[0] = IPS_CMD_FLUSH;
 906
 907                 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
 908                 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
 909                 scb->cmd.flush_cache.state = IPS_NORM_STATE;
 910                 scb->cmd.flush_cache.reserved = 0;
 911                 scb->cmd.flush_cache.reserved2 = 0;
 912                 scb->cmd.flush_cache.reserved3 = 0;
 913                 scb->cmd.flush_cache.reserved4 = 0;
 914
 915                 /* Attempt the flush command */
 916                 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
 917                 if (ret == IPS_SUCCESS) {
 918                         IPS_PRINTK(KERN_NOTICE, ha->pcidev,
 919                                    "Reset Request - Flushed Cache\n");
 920                         return (SUCCESS);
 921                 }
 922         }
 923
 924         /* Either we can't communicate with the adapter or it's an IOCTL request */
 925         /* from a utility.  A physical reset is needed at this point.            */
 926
 927         ha->ioctl_reset = 0;    /* Reset the IOCTL Requested Reset Flag */
 928
 929         /*
 930          * command must have already been sent
 931          * reset the controller
 932          */
 933         IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
 934         ret = (*ha->func.reset) (ha);
 935
 936         if (!ret) {
 937                 struct scsi_cmnd *scsi_cmd;
 938
 939                 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
 940                            "Controller reset failed - controller now offline.\n");
 941
 942                 /* Now fail all of the active commands */
 943                 DEBUG_VAR(1, "(%s%d) Failing active commands",
 944                           ips_name, ha->host_num);
 945
 946                 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
 947                         scb->scsi_cmd->result = DID_ERROR << 16;
 948                         scb->scsi_cmd->scsi_done(scb->scsi_cmd);
 949                         ips_freescb(ha, scb);
 950                 }
 951
 952                 /* Now fail all of the pending commands */
 953                 DEBUG_VAR(1, "(%s%d) Failing pending commands",
 954                           ips_name, ha->host_num);
 955
 956                 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
 957                         scsi_cmd->result = DID_ERROR;
 958                         scsi_cmd->scsi_done(scsi_cmd);
 959                 }
 960
 961                 ha->active = FALSE;
 962                 return (FAILED);
 963         }
 964
 965         if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
 966                 struct scsi_cmnd *scsi_cmd;
 967
 968                 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
 969                            "Controller reset failed - controller now offline.\n");
 970
 971                 /* Now fail all of the active commands */
 972                 DEBUG_VAR(1, "(%s%d) Failing active commands",
 973                           ips_name, ha->host_num);
 974
 975                 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
 976                         scb->scsi_cmd->result = DID_ERROR << 16;
 977                         scb->scsi_cmd->scsi_done(scb->scsi_cmd);
 978                         ips_freescb(ha, scb);
 979                 }
 980
 981                 /* Now fail all of the pending commands */
 982                 DEBUG_VAR(1, "(%s%d) Failing pending commands",
 983                           ips_name, ha->host_num);
 984
 985                 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
 986                         scsi_cmd->result = DID_ERROR << 16;
 987                         scsi_cmd->scsi_done(scsi_cmd);
 988                 }
 989
 990                 ha->active = FALSE;
 991                 return (FAILED);
 992         }
 993
 994         /* FFDC */
 995         if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
 996                 struct timeval tv;
 997
 998                 do_gettimeofday(&tv);
 999                 ha->last_ffdc = tv.tv_sec;
1000                 ha->reset_count++;
1001                 ips_ffdc_reset(ha, IPS_INTR_IORL);
1002         }
1003
1004         /* Now fail all of the active commands */
1005         DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
1006
1007         while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
1008                 scb->scsi_cmd->result =
1009                     (DID_RESET << 16) | (SUGGEST_RETRY << 24);
1010                 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
1011                 ips_freescb(ha, scb);
1012         }
1013
1014         /* Reset DCDB active command bits */
1015         for (i = 1; i < ha->nbus; i++)
1016                 ha->dcdb_active[i - 1] = 0;
1017
1018         /* Reset the number of active IOCTLs */
1019         ha->num_ioctl = 0;
1020
1021         ips_next(ha, IPS_INTR_IORL);
1022
1023         return (SUCCESS);
1024 #endif                          /* NO_IPS_RESET */
1025
1026 }
1027
1028 static int ips_eh_reset(struct scsi_cmnd *SC)
1029 {
1030         int rc;
1031
1032         spin_lock_irq(SC->device->host->host_lock);
1033         rc = __ips_eh_reset(SC);
1034         spin_unlock_irq(SC->device->host->host_lock);
1035
1036         return rc;
1037 }
1038
1039 /****************************************************************************/
1040 /*                                                                          */
1041 /* Routine Name: ips_queue                                                  */
1042 /*                                                                          */
1043 /* Routine Description:                                                     */
1044 /*                                                                          */
1045 /*   Send a command to the controller                                       */
1046 /*                                                                          */
1047 /* NOTE:                                                                    */
1048 /*    Linux obtains io_request_lock before calling this function            */
1049 /*                                                                          */
1050 /****************************************************************************/
1051 static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1052 {
1053         ips_ha_t *ha;
1054         ips_passthru_t *pt;
1055
1056         METHOD_TRACE("ips_queue", 1);
1057
1058         ha = (ips_ha_t *) SC->device->host->hostdata;
1059
1060         if (!ha)
1061                 return (1);
1062
1063         if (!ha->active)
1064                 return (DID_ERROR);
1065
1066         if (ips_is_passthru(SC)) {
1067                 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1068                         SC->result = DID_BUS_BUSY << 16;
1069                         done(SC);
1070
1071                         return (0);
1072                 }
1073         } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1074                 SC->result = DID_BUS_BUSY << 16;
1075                 done(SC);
1076
1077                 return (0);
1078         }
1079
1080         SC->scsi_done = done;
1081
1082         DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1083                   ips_name,
1084                   ha->host_num,
1085                   SC->cmnd[0],
1086                   SC->device->channel, SC->device->id, SC->device->lun);
1087
1088         /* Check for command to initiator IDs */
1089         if ((scmd_channel(SC) > 0)
1090             && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1091                 SC->result = DID_NO_CONNECT << 16;
1092                 done(SC);
1093
1094                 return (0);
1095         }
1096
1097         if (ips_is_passthru(SC)) {
1098
1099                 ips_copp_wait_item_t *scratch;
1100
1101                 /* A Reset IOCTL is only sent by the boot CD in extreme cases.           */
1102                 /* There can never be any system activity ( network or disk ), but check */
1103                 /* anyway just as a good practice.                                       */
1104                 pt = (ips_passthru_t *) scsi_sglist(SC);
1105                 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1106                     (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1107                         if (ha->scb_activelist.count != 0) {
1108                                 SC->result = DID_BUS_BUSY << 16;
1109                                 done(SC);
1110                                 return (0);
1111                         }
1112                         ha->ioctl_reset = 1;    /* This reset request is from an IOCTL */
1113                         __ips_eh_reset(SC);
1114                         SC->result = DID_OK << 16;
1115                         SC->scsi_done(SC);
1116                         return (0);
1117                 }
1118
1119                 /* allocate space for the scribble */
1120                 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1121
1122                 if (!scratch) {
1123                         SC->result = DID_ERROR << 16;
1124                         done(SC);
1125
1126                         return (0);
1127                 }
1128
1129                 scratch->scsi_cmd = SC;
1130                 scratch->next = NULL;
1131
1132                 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1133         } else {
1134                 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1135         }
1136
1137         ips_next(ha, IPS_INTR_IORL);
1138
1139         return (0);
1140 }
1141
1142 /****************************************************************************/
1143 /*                                                                          */
1144 /* Routine Name: ips_biosparam                                              */
1145 /*                                                                          */
1146 /* Routine Description:                                                     */
1147 /*                                                                          */
1148 /*   Set bios geometry for the controller                                   */
1149 /*                                                                          */
1150 /****************************************************************************/
1151 static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1152                          sector_t capacity, int geom[])
1153 {
1154         ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1155         int heads;
1156         int sectors;
1157         int cylinders;
1158
1159         METHOD_TRACE("ips_biosparam", 1);
1160
1161         if (!ha)
1162                 /* ?!?! host adater info invalid */
1163                 return (0);
1164
1165         if (!ha->active)
1166                 return (0);
1167
1168         if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1169                 /* ?!?! Enquiry command failed */
1170                 return (0);
1171
1172         if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1173                 heads = IPS_NORM_HEADS;
1174                 sectors = IPS_NORM_SECTORS;
1175         } else {
1176                 heads = IPS_COMP_HEADS;
1177                 sectors = IPS_COMP_SECTORS;
1178         }
1179
1180         cylinders = (unsigned long) capacity / (heads * sectors);
1181
1182         DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1183                   heads, sectors, cylinders);
1184
1185         geom[0] = heads;
1186         geom[1] = sectors;
1187         geom[2] = cylinders;
1188
1189         return (0);
1190 }
1191
1192 /****************************************************************************/
1193 /*                                                                          */
1194 /* Routine Name: ips_slave_configure                                        */
1195 /*                                                                          */
1196 /* Routine Description:                                                     */
1197 /*                                                                          */
1198 /*   Set queue depths on devices once scan is complete                      */
1199 /*                                                                          */
1200 /****************************************************************************/
1201 static int
1202 ips_slave_configure(struct scsi_device * SDptr)
1203 {
1204         ips_ha_t *ha;
1205         int min;
1206
1207         ha = IPS_HA(SDptr->host);
1208         if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1209                 min = ha->max_cmds / 2;
1210                 if (ha->enq->ucLogDriveCount <= 2)
1211                         min = ha->max_cmds - 1;
1212                 scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min);
1213         }
1214
1215         SDptr->skip_ms_page_8 = 1;
1216         SDptr->skip_ms_page_3f = 1;
1217         return 0;
1218 }
1219
1220 /****************************************************************************/
1221 /*                                                                          */
1222 /* Routine Name: do_ipsintr                                                 */
1223 /*                                                                          */
1224 /* Routine Description:                                                     */
1225 /*                                                                          */
1226 /*   Wrapper for the interrupt handler                                      */
1227 /*                                                                          */
1228 /****************************************************************************/
1229 static irqreturn_t
1230 do_ipsintr(int irq, void *dev_id)
1231 {
1232         ips_ha_t *ha;
1233         struct Scsi_Host *host;
1234         int irqstatus;
1235
1236         METHOD_TRACE("do_ipsintr", 2);
1237
1238         ha = (ips_ha_t *) dev_id;
1239         if (!ha)
1240                 return IRQ_NONE;
1241         host = ips_sh[ha->host_num];
1242         /* interrupt during initialization */
1243         if (!host) {
1244                 (*ha->func.intr) (ha);
1245                 return IRQ_HANDLED;
1246         }
1247
1248         spin_lock(host->host_lock);
1249
1250         if (!ha->active) {
1251                 spin_unlock(host->host_lock);
1252                 return IRQ_HANDLED;
1253         }
1254
1255         irqstatus = (*ha->func.intr) (ha);
1256
1257         spin_unlock(host->host_lock);
1258
1259         /* start the next command */
1260         ips_next(ha, IPS_INTR_ON);
1261         return IRQ_RETVAL(irqstatus);
1262 }
1263
1264 /****************************************************************************/
1265 /*                                                                          */
1266 /* Routine Name: ips_intr_copperhead                                        */
1267 /*                                                                          */
1268 /* Routine Description:                                                     */
1269 /*                                                                          */
1270 /*   Polling interrupt handler                                              */
1271 /*                                                                          */
1272 /*   ASSUMES interrupts are disabled                                        */
1273 /*                                                                          */
1274 /****************************************************************************/
1275 int
1276 ips_intr_copperhead(ips_ha_t * ha)
1277 {
1278         ips_stat_t *sp;
1279         ips_scb_t *scb;
1280         IPS_STATUS cstatus;
1281         int intrstatus;
1282
1283         METHOD_TRACE("ips_intr", 2);
1284
1285         if (!ha)
1286                 return 0;
1287
1288         if (!ha->active)
1289                 return 0;
1290
1291         intrstatus = (*ha->func.isintr) (ha);
1292
1293         if (!intrstatus) {
1294                 /*
1295                  * Unexpected/Shared interrupt
1296                  */
1297
1298                 return 0;
1299         }
1300
1301         while (TRUE) {
1302                 sp = &ha->sp;
1303
1304                 intrstatus = (*ha->func.isintr) (ha);
1305
1306                 if (!intrstatus)
1307                         break;
1308                 else
1309                         cstatus.value = (*ha->func.statupd) (ha);
1310
1311                 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1312                         /* Spurious Interrupt ? */
1313                         continue;
1314                 }
1315
1316                 ips_chkstatus(ha, &cstatus);
1317                 scb = (ips_scb_t *) sp->scb_addr;
1318
1319                 /*
1320                  * use the callback function to finish things up
1321                  * NOTE: interrupts are OFF for this
1322                  */
1323                 (*scb->callback) (ha, scb);
1324         }                       /* end while */
1325         return 1;
1326 }
1327
1328 /****************************************************************************/
1329 /*                                                                          */
1330 /* Routine Name: ips_intr_morpheus                                          */
1331 /*                                                                          */
1332 /* Routine Description:                                                     */
1333 /*                                                                          */
1334 /*   Polling interrupt handler                                              */
1335 /*                                                                          */
1336 /*   ASSUMES interrupts are disabled                                        */
1337 /*                                                                          */
1338 /****************************************************************************/
1339 int
1340 ips_intr_morpheus(ips_ha_t * ha)
1341 {
1342         ips_stat_t *sp;
1343         ips_scb_t *scb;
1344         IPS_STATUS cstatus;
1345         int intrstatus;
1346
1347         METHOD_TRACE("ips_intr_morpheus", 2);
1348
1349         if (!ha)
1350                 return 0;
1351
1352         if (!ha->active)
1353                 return 0;
1354
1355         intrstatus = (*ha->func.isintr) (ha);
1356
1357         if (!intrstatus) {
1358                 /*
1359                  * Unexpected/Shared interrupt
1360                  */
1361
1362                 return 0;
1363         }
1364
1365         while (TRUE) {
1366                 sp = &ha->sp;
1367
1368                 intrstatus = (*ha->func.isintr) (ha);
1369
1370                 if (!intrstatus)
1371                         break;
1372                 else
1373                         cstatus.value = (*ha->func.statupd) (ha);
1374
1375                 if (cstatus.value == 0xffffffff)
1376                         /* No more to process */
1377                         break;
1378
1379                 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1380                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
1381                                    "Spurious interrupt; no ccb.\n");
1382
1383                         continue;
1384                 }
1385
1386                 ips_chkstatus(ha, &cstatus);
1387                 scb = (ips_scb_t *) sp->scb_addr;
1388
1389                 /*
1390                  * use the callback function to finish things up
1391                  * NOTE: interrupts are OFF for this
1392                  */
1393                 (*scb->callback) (ha, scb);
1394         }                       /* end while */
1395         return 1;
1396 }
1397
1398 /****************************************************************************/
1399 /*                                                                          */
1400 /* Routine Name: ips_info                                                   */
1401 /*                                                                          */
1402 /* Routine Description:                                                     */
1403 /*                                                                          */
1404 /*   Return info about the driver                                           */
1405 /*                                                                          */
1406 /****************************************************************************/
1407 static const char *
1408 ips_info(struct Scsi_Host *SH)
1409 {
1410         static char buffer[256];
1411         char *bp;
1412         ips_ha_t *ha;
1413
1414         METHOD_TRACE("ips_info", 1);
1415
1416         ha = IPS_HA(SH);
1417
1418         if (!ha)
1419                 return (NULL);
1420
1421         bp = &buffer[0];
1422         memset(bp, 0, sizeof (buffer));
1423
1424         sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1425                 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1426
1427         if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1428                 strcat(bp, " <");
1429                 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1430                 strcat(bp, ">");
1431         }
1432
1433         return (bp);
1434 }
1435
1436 /****************************************************************************/
1437 /*                                                                          */
1438 /* Routine Name: ips_proc_info                                              */
1439 /*                                                                          */
1440 /* Routine Description:                                                     */
1441 /*                                                                          */
1442 /*   The passthru interface for the driver                                  */
1443 /*                                                                          */
1444 /****************************************************************************/
1445 static int
1446 ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1447               int length, int func)
1448 {
1449         int i;
1450         int ret;
1451         ips_ha_t *ha = NULL;
1452
1453         METHOD_TRACE("ips_proc_info", 1);
1454
1455         /* Find our host structure */
1456         for (i = 0; i < ips_next_controller; i++) {
1457                 if (ips_sh[i]) {
1458                         if (ips_sh[i] == host) {
1459                                 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1460                                 break;
1461                         }
1462                 }
1463         }
1464
1465         if (!ha)
1466                 return (-EINVAL);
1467
1468         if (func) {
1469                 /* write */
1470                 return (0);
1471         } else {
1472                 /* read */
1473                 if (start)
1474                         *start = buffer;
1475
1476                 ret = ips_host_info(ha, buffer, offset, length);
1477
1478                 return (ret);
1479         }
1480 }
1481
1482 /*--------------------------------------------------------------------------*/
1483 /* Helper Functions                                                         */
1484 /*--------------------------------------------------------------------------*/
1485
1486 /****************************************************************************/
1487 /*                                                                          */
1488 /* Routine Name: ips_is_passthru                                            */
1489 /*                                                                          */
1490 /* Routine Description:                                                     */
1491 /*                                                                          */
1492 /*   Determine if the specified SCSI command is really a passthru command   */
1493 /*                                                                          */
1494 /****************************************************************************/
1495 static int ips_is_passthru(struct scsi_cmnd *SC)
1496 {
1497         unsigned long flags;
1498
1499         METHOD_TRACE("ips_is_passthru", 1);
1500
1501         if (!SC)
1502                 return (0);
1503
1504         if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1505             (SC->device->channel == 0) &&
1506             (SC->device->id == IPS_ADAPTER_ID) &&
1507             (SC->device->lun == 0) && scsi_sglist(SC)) {
1508                 struct scatterlist *sg = scsi_sglist(SC);
1509                 char  *buffer;
1510
1511                 /* kmap_atomic() ensures addressability of the user buffer.*/
1512                 /* local_irq_save() protects the KM_IRQ0 address slot.     */
1513                 local_irq_save(flags);
1514                 buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
1515                 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1516                     buffer[2] == 'P' && buffer[3] == 'P') {
1517                         kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1518                         local_irq_restore(flags);
1519                         return 1;
1520                 }
1521                 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1522                 local_irq_restore(flags);
1523         }
1524         return 0;
1525 }
1526
1527 /****************************************************************************/
1528 /*                                                                          */
1529 /* Routine Name: ips_alloc_passthru_buffer                                  */
1530 /*                                                                          */
1531 /* Routine Description:                                                     */
1532 /*   allocate a buffer large enough for the ioctl data if the ioctl buffer  */
1533 /*   is too small or doesn't exist                                          */
1534 /****************************************************************************/
1535 static int
1536 ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1537 {
1538         void *bigger_buf;
1539         dma_addr_t dma_busaddr;
1540
1541         if (ha->ioctl_data && length <= ha->ioctl_len)
1542                 return 0;
1543         /* there is no buffer or it's not big enough, allocate a new one */
1544         bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1545         if (bigger_buf) {
1546                 /* free the old memory */
1547                 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1548                                     ha->ioctl_busaddr);
1549                 /* use the new memory */
1550                 ha->ioctl_data = (char *) bigger_buf;
1551                 ha->ioctl_len = length;
1552                 ha->ioctl_busaddr = dma_busaddr;
1553         } else {
1554                 return -1;
1555         }
1556         return 0;
1557 }
1558
1559 /****************************************************************************/
1560 /*                                                                          */
1561 /* Routine Name: ips_make_passthru                                          */
1562 /*                                                                          */
1563 /* Routine Description:                                                     */
1564 /*                                                                          */
1565 /*   Make a passthru command out of the info in the Scsi block              */
1566 /*                                                                          */
1567 /****************************************************************************/
1568 static int
1569 ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1570 {
1571         ips_passthru_t *pt;
1572         int length = 0;
1573         int i, ret;
1574         struct scatterlist *sg = scsi_sglist(SC);
1575
1576         METHOD_TRACE("ips_make_passthru", 1);
1577
1578         scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1579                 length += sg->length;
1580
1581         if (length < sizeof (ips_passthru_t)) {
1582                 /* wrong size */
1583                 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1584                           ips_name, ha->host_num);
1585                 return (IPS_FAILURE);
1586         }
1587         if (ips_alloc_passthru_buffer(ha, length)) {
1588                 /* allocation failure!  If ha->ioctl_data exists, use it to return
1589                    some error codes.  Return a failed command to the scsi layer. */
1590                 if (ha->ioctl_data) {
1591                         pt = (ips_passthru_t *) ha->ioctl_data;
1592                         ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1593                         pt->BasicStatus = 0x0B;
1594                         pt->ExtendedStatus = 0x00;
1595                         ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1596                 }
1597                 return IPS_FAILURE;
1598         }
1599         ha->ioctl_datasize = length;
1600
1601         ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1602         pt = (ips_passthru_t *) ha->ioctl_data;
1603
1604         /*
1605          * Some notes about the passthru interface used
1606          *
1607          * IF the scsi op_code == 0x0d then we assume
1608          * that the data came along with/goes with the
1609          * packet we received from the sg driver. In this
1610          * case the CmdBSize field of the pt structure is
1611          * used for the size of the buffer.
1612          */
1613
1614         switch (pt->CoppCmd) {
1615         case IPS_NUMCTRLS:
1616                 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1617                        &ips_num_controllers, sizeof (int));
1618                 ips_scmd_buf_write(SC, ha->ioctl_data,
1619                                    sizeof (ips_passthru_t) + sizeof (int));
1620                 SC->result = DID_OK << 16;
1621
1622                 return (IPS_SUCCESS_IMM);
1623
1624         case IPS_COPPUSRCMD:
1625         case IPS_COPPIOCCMD:
1626                 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1627                         if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1628                                 /* wrong size */
1629                                 DEBUG_VAR(1,
1630                                           "(%s%d) Passthru structure wrong size",
1631                                           ips_name, ha->host_num);
1632
1633                                 return (IPS_FAILURE);
1634                         }
1635
1636                         if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1637                             pt->CoppCP.cmd.flashfw.op_code ==
1638                             IPS_CMD_RW_BIOSFW) {
1639                                 ret = ips_flash_copperhead(ha, pt, scb);
1640                                 ips_scmd_buf_write(SC, ha->ioctl_data,
1641                                                    sizeof (ips_passthru_t));
1642                                 return ret;
1643                         }
1644                         if (ips_usrcmd(ha, pt, scb))
1645                                 return (IPS_SUCCESS);
1646                         else
1647                                 return (IPS_FAILURE);
1648                 }
1649
1650                 break;
1651
1652         }                       /* end switch */
1653
1654         return (IPS_FAILURE);
1655 }
1656
1657 /****************************************************************************/
1658 /* Routine Name: ips_flash_copperhead                                       */
1659 /* Routine Description:                                                     */
1660 /*   Flash the BIOS/FW on a Copperhead style controller                     */
1661 /****************************************************************************/
1662 static int
1663 ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1664 {
1665         int datasize;
1666
1667         /* Trombone is the only copperhead that can do packet flash, but only
1668          * for firmware. No one said it had to make sence. */
1669         if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1670                 if (ips_usrcmd(ha, pt, scb))
1671                         return IPS_SUCCESS;
1672                 else
1673                         return IPS_FAILURE;
1674         }
1675         pt->BasicStatus = 0x0B;
1676         pt->ExtendedStatus = 0;
1677         scb->scsi_cmd->result = DID_OK << 16;
1678         /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can     */
1679         /* avoid allocating a huge buffer per adapter ( which can fail ). */
1680         if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1681             pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1682                 pt->BasicStatus = 0;
1683                 return ips_flash_bios(ha, pt, scb);
1684         } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1685                 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1686                         ha->flash_data = ips_FlashData;
1687                         ha->flash_busaddr = ips_flashbusaddr;
1688                         ha->flash_len = PAGE_SIZE << 7;
1689                         ha->flash_datasize = 0;
1690                 } else if (!ha->flash_data) {
1691                         datasize = pt->CoppCP.cmd.flashfw.total_packets *
1692                             pt->CoppCP.cmd.flashfw.count;
1693                         ha->flash_data = pci_alloc_consistent(ha->pcidev,
1694                                                               datasize,
1695                                                               &ha->flash_busaddr);
1696                         if (!ha->flash_data){
1697                                 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1698                                 return IPS_FAILURE;
1699                         }
1700                         ha->flash_datasize = 0;
1701                         ha->flash_len = datasize;
1702                 } else
1703                         return IPS_FAILURE;
1704         } else {
1705                 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1706                     ha->flash_len) {
1707                         ips_free_flash_copperhead(ha);
1708                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
1709                                    "failed size sanity check\n");
1710                         return IPS_FAILURE;
1711                 }
1712         }
1713         if (!ha->flash_data)
1714                 return IPS_FAILURE;
1715         pt->BasicStatus = 0;
1716         memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1717                pt->CoppCP.cmd.flashfw.count);
1718         ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1719         if (pt->CoppCP.cmd.flashfw.packet_num ==
1720             pt->CoppCP.cmd.flashfw.total_packets - 1) {
1721                 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1722                         return ips_flash_bios(ha, pt, scb);
1723                 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1724                         return ips_flash_firmware(ha, pt, scb);
1725         }
1726         return IPS_SUCCESS_IMM;
1727 }
1728
1729 /****************************************************************************/
1730 /* Routine Name: ips_flash_bios                                             */
1731 /* Routine Description:                                                     */
1732 /*   flashes the bios of a copperhead adapter                               */
1733 /****************************************************************************/
1734 static int
1735 ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1736 {
1737
1738         if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1739             pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1740                 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1741                     (!ha->func.verifybios))
1742                         goto error;
1743                 if ((*ha->func.erasebios) (ha)) {
1744                         DEBUG_VAR(1,
1745                                   "(%s%d) flash bios failed - unable to erase flash",
1746                                   ips_name, ha->host_num);
1747                         goto error;
1748                 } else
1749                     if ((*ha->func.programbios) (ha,
1750                                                  ha->flash_data +
1751                                                  IPS_BIOS_HEADER,
1752                                                  ha->flash_datasize -
1753                                                  IPS_BIOS_HEADER, 0)) {
1754                         DEBUG_VAR(1,
1755                                   "(%s%d) flash bios failed - unable to flash",
1756                                   ips_name, ha->host_num);
1757                         goto error;
1758                 } else
1759                     if ((*ha->func.verifybios) (ha,
1760                                                 ha->flash_data +
1761                                                 IPS_BIOS_HEADER,
1762                                                 ha->flash_datasize -
1763                                                 IPS_BIOS_HEADER, 0)) {
1764                         DEBUG_VAR(1,
1765                                   "(%s%d) flash bios failed - unable to verify flash",
1766                                   ips_name, ha->host_num);
1767                         goto error;
1768                 }
1769                 ips_free_flash_copperhead(ha);
1770                 return IPS_SUCCESS_IMM;
1771         } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1772                    pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1773                 if (!ha->func.erasebios)
1774                         goto error;
1775                 if ((*ha->func.erasebios) (ha)) {
1776                         DEBUG_VAR(1,
1777                                   "(%s%d) flash bios failed - unable to erase flash",
1778                                   ips_name, ha->host_num);
1779                         goto error;
1780                 }
1781                 return IPS_SUCCESS_IMM;
1782         }
1783       error:
1784         pt->BasicStatus = 0x0B;
1785         pt->ExtendedStatus = 0x00;
1786         ips_free_flash_copperhead(ha);
1787         return IPS_FAILURE;
1788 }
1789
1790 /****************************************************************************/
1791 /*                                                                          */
1792 /* Routine Name: ips_fill_scb_sg_single                                     */
1793 /*                                                                          */
1794 /* Routine Description:                                                     */
1795 /*   Fill in a single scb sg_list element from an address                   */
1796 /*   return a -1 if a breakup occurred                                      */
1797 /****************************************************************************/
1798 static int
1799 ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1800                        ips_scb_t * scb, int indx, unsigned int e_len)
1801 {
1802
1803         int ret_val = 0;
1804
1805         if ((scb->data_len + e_len) > ha->max_xfer) {
1806                 e_len = ha->max_xfer - scb->data_len;
1807                 scb->breakup = indx;
1808                 ++scb->sg_break;
1809                 ret_val = -1;
1810         } else {
1811                 scb->breakup = 0;
1812                 scb->sg_break = 0;
1813         }
1814         if (IPS_USE_ENH_SGLIST(ha)) {
1815                 scb->sg_list.enh_list[indx].address_lo =
1816                     cpu_to_le32(pci_dma_lo32(busaddr));
1817                 scb->sg_list.enh_list[indx].address_hi =
1818                     cpu_to_le32(pci_dma_hi32(busaddr));
1819                 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1820         } else {
1821                 scb->sg_list.std_list[indx].address =
1822                     cpu_to_le32(pci_dma_lo32(busaddr));
1823                 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1824         }
1825
1826         ++scb->sg_len;
1827         scb->data_len += e_len;
1828         return ret_val;
1829 }
1830
1831 /****************************************************************************/
1832 /* Routine Name: ips_flash_firmware                                         */
1833 /* Routine Description:                                                     */
1834 /*   flashes the firmware of a copperhead adapter                           */
1835 /****************************************************************************/
1836 static int
1837 ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1838 {
1839         IPS_SG_LIST sg_list;
1840         uint32_t cmd_busaddr;
1841
1842         if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1843             pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1844                 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1845                 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1846                 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1847         } else {
1848                 pt->BasicStatus = 0x0B;
1849                 pt->ExtendedStatus = 0x00;
1850                 ips_free_flash_copperhead(ha);
1851                 return IPS_FAILURE;
1852         }
1853         /* Save the S/G list pointer so it doesn't get clobbered */
1854         sg_list.list = scb->sg_list.list;
1855         cmd_busaddr = scb->scb_busaddr;
1856         /* copy in the CP */
1857         memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1858         /* FIX stuff that might be wrong */
1859         scb->sg_list.list = sg_list.list;
1860         scb->scb_busaddr = cmd_busaddr;
1861         scb->bus = scb->scsi_cmd->device->channel;
1862         scb->target_id = scb->scsi_cmd->device->id;
1863         scb->lun = scb->scsi_cmd->device->lun;
1864         scb->sg_len = 0;
1865         scb->data_len = 0;
1866         scb->flags = 0;
1867         scb->op_code = 0;
1868         scb->callback = ipsintr_done;
1869         scb->timeout = ips_cmd_timeout;
1870
1871         scb->data_len = ha->flash_datasize;
1872         scb->data_busaddr =
1873             pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1874                            IPS_DMA_DIR(scb));
1875         scb->flags |= IPS_SCB_MAP_SINGLE;
1876         scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1877         scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1878         if (pt->TimeOut)
1879                 scb->timeout = pt->TimeOut;
1880         scb->scsi_cmd->result = DID_OK << 16;
1881         return IPS_SUCCESS;
1882 }
1883
1884 /****************************************************************************/
1885 /* Routine Name: ips_free_flash_copperhead                                  */
1886 /* Routine Description:                                                     */
1887 /*   release the memory resources used to hold the flash image              */
1888 /****************************************************************************/
1889 static void
1890 ips_free_flash_copperhead(ips_ha_t * ha)
1891 {
1892         if (ha->flash_data == ips_FlashData)
1893                 test_and_clear_bit(0, &ips_FlashDataInUse);
1894         else if (ha->flash_data)
1895                 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1896                                     ha->flash_busaddr);
1897         ha->flash_data = NULL;
1898 }
1899
1900 /****************************************************************************/
1901 /*                                                                          */
1902 /* Routine Name: ips_usrcmd                                                 */
1903 /*                                                                          */
1904 /* Routine Description:                                                     */
1905 /*                                                                          */
1906 /*   Process a user command and make it ready to send                       */
1907 /*                                                                          */
1908 /****************************************************************************/
1909 static int
1910 ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1911 {
1912         IPS_SG_LIST sg_list;
1913         uint32_t cmd_busaddr;
1914
1915         METHOD_TRACE("ips_usrcmd", 1);
1916
1917         if ((!scb) || (!pt) || (!ha))
1918                 return (0);
1919
1920         /* Save the S/G list pointer so it doesn't get clobbered */
1921         sg_list.list = scb->sg_list.list;
1922         cmd_busaddr = scb->scb_busaddr;
1923         /* copy in the CP */
1924         memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1925         memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1926
1927         /* FIX stuff that might be wrong */
1928         scb->sg_list.list = sg_list.list;
1929         scb->scb_busaddr = cmd_busaddr;
1930         scb->bus = scb->scsi_cmd->device->channel;
1931         scb->target_id = scb->scsi_cmd->device->id;
1932         scb->lun = scb->scsi_cmd->device->lun;
1933         scb->sg_len = 0;
1934         scb->data_len = 0;
1935         scb->flags = 0;
1936         scb->op_code = 0;
1937         scb->callback = ipsintr_done;
1938         scb->timeout = ips_cmd_timeout;
1939         scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1940
1941         /* we don't support DCDB/READ/WRITE Scatter Gather */
1942         if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1943             (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1944             (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1945                 return (0);
1946
1947         if (pt->CmdBSize) {
1948                 scb->data_len = pt->CmdBSize;
1949                 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1950         } else {
1951                 scb->data_busaddr = 0L;
1952         }
1953
1954         if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1955                 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1956                                                          (unsigned long) &scb->
1957                                                          dcdb -
1958                                                          (unsigned long) scb);
1959
1960         if (pt->CmdBSize) {
1961                 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1962                         scb->dcdb.buffer_pointer =
1963                             cpu_to_le32(scb->data_busaddr);
1964                 else
1965                         scb->cmd.basic_io.sg_addr =
1966                             cpu_to_le32(scb->data_busaddr);
1967         }
1968
1969         /* set timeouts */
1970         if (pt->TimeOut) {
1971                 scb->timeout = pt->TimeOut;
1972
1973                 if (pt->TimeOut <= 10)
1974                         scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1975                 else if (pt->TimeOut <= 60)
1976                         scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1977                 else
1978                         scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1979         }
1980
1981         /* assume success */
1982         scb->scsi_cmd->result = DID_OK << 16;
1983
1984         /* success */
1985         return (1);
1986 }
1987
1988 /****************************************************************************/
1989 /*                                                                          */
1990 /* Routine Name: ips_cleanup_passthru                                       */
1991 /*                                                                          */
1992 /* Routine Description:                                                     */
1993 /*                                                                          */
1994 /*   Cleanup after a passthru command                                       */
1995 /*                                                                          */
1996 /****************************************************************************/
1997 static void
1998 ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1999 {
2000         ips_passthru_t *pt;
2001
2002         METHOD_TRACE("ips_cleanup_passthru", 1);
2003
2004         if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
2005                 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
2006                           ips_name, ha->host_num);
2007
2008                 return;
2009         }
2010         pt = (ips_passthru_t *) ha->ioctl_data;
2011
2012         /* Copy data back to the user */
2013         if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)      /* Copy DCDB Back to Caller's Area */
2014                 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2015
2016         pt->BasicStatus = scb->basic_status;
2017         pt->ExtendedStatus = scb->extended_status;
2018         pt->AdapterType = ha->ad_type;
2019
2020         if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
2021             (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2022              scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2023                 ips_free_flash_copperhead(ha);
2024
2025         ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2026 }
2027
2028 /****************************************************************************/
2029 /*                                                                          */
2030 /* Routine Name: ips_host_info                                              */
2031 /*                                                                          */
2032 /* Routine Description:                                                     */
2033 /*                                                                          */
2034 /*   The passthru interface for the driver                                  */
2035 /*                                                                          */
2036 /****************************************************************************/
2037 static int
2038 ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len)
2039 {
2040         IPS_INFOSTR info;
2041
2042         METHOD_TRACE("ips_host_info", 1);
2043
2044         info.buffer = ptr;
2045         info.length = len;
2046         info.offset = offset;
2047         info.pos = 0;
2048         info.localpos = 0;
2049
2050         copy_info(&info, "\nIBM ServeRAID General Information:\n\n");
2051
2052         if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2053             (le16_to_cpu(ha->nvram->adapter_type) != 0))
2054                 copy_info(&info, "\tController Type                   : %s\n",
2055                           ips_adapter_name[ha->ad_type - 1]);
2056         else
2057                 copy_info(&info,
2058                           "\tController Type                   : Unknown\n");
2059
2060         if (ha->io_addr)
2061                 copy_info(&info,
2062                           "\tIO region                         : 0x%lx (%d bytes)\n",
2063                           ha->io_addr, ha->io_len);
2064
2065         if (ha->mem_addr) {
2066                 copy_info(&info,
2067                           "\tMemory region                     : 0x%lx (%d bytes)\n",
2068                           ha->mem_addr, ha->mem_len);
2069                 copy_info(&info,
2070                           "\tShared memory address             : 0x%lx\n",
2071                           ha->mem_ptr);
2072         }
2073
2074         copy_info(&info, "\tIRQ number                        : %d\n", ha->pcidev->irq);
2075
2076     /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2077     /* That keeps everything happy for "text" operations on the proc file.                    */
2078
2079         if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2080         if (ha->nvram->bios_low[3] == 0) {
2081             copy_info(&info,
2082                                   "\tBIOS Version                      : %c%c%c%c%c%c%c\n",
2083                                   ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2084                                   ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2085                                   ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2086                                   ha->nvram->bios_low[2]);
2087
2088         } else {
2089                     copy_info(&info,
2090                                   "\tBIOS Version                      : %c%c%c%c%c%c%c%c\n",
2091                                   ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2092                                   ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2093                                   ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2094                                   ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
2095         }
2096
2097     }
2098
2099     if (ha->enq->CodeBlkVersion[7] == 0) {
2100         copy_info(&info,
2101                           "\tFirmware Version                  : %c%c%c%c%c%c%c\n",
2102                           ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2103                           ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2104                           ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2105                           ha->enq->CodeBlkVersion[6]);
2106     } else {
2107         copy_info(&info,
2108                           "\tFirmware Version                  : %c%c%c%c%c%c%c%c\n",
2109                           ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2110                           ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2111                           ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2112                           ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2113     }
2114
2115     if (ha->enq->BootBlkVersion[7] == 0) {
2116         copy_info(&info,
2117                           "\tBoot Block Version                : %c%c%c%c%c%c%c\n",
2118                           ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2119                           ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2120                           ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2121                           ha->enq->BootBlkVersion[6]);
2122     } else {
2123         copy_info(&info,
2124                           "\tBoot Block Version                : %c%c%c%c%c%c%c%c\n",
2125                           ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2126                           ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2127                           ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2128                           ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2129     }
2130
2131         copy_info(&info, "\tDriver Version                    : %s%s\n",
2132                   IPS_VERSION_HIGH, IPS_VERSION_LOW);
2133
2134         copy_info(&info, "\tDriver Build                      : %d\n",
2135                   IPS_BUILD_IDENT);
2136
2137         copy_info(&info, "\tMax Physical Devices              : %d\n",
2138                   ha->enq->ucMaxPhysicalDevices);
2139         copy_info(&info, "\tMax Active Commands               : %d\n",
2140                   ha->max_cmds);
2141         copy_info(&info, "\tCurrent Queued Commands           : %d\n",
2142                   ha->scb_waitlist.count);
2143         copy_info(&info, "\tCurrent Active Commands           : %d\n",
2144                   ha->scb_activelist.count - ha->num_ioctl);
2145         copy_info(&info, "\tCurrent Queued PT Commands        : %d\n",
2146                   ha->copp_waitlist.count);
2147         copy_info(&info, "\tCurrent Active PT Commands        : %d\n",
2148                   ha->num_ioctl);
2149
2150         copy_info(&info, "\n");
2151
2152         return (info.localpos);
2153 }
2154
2155 /****************************************************************************/
2156 /*                                                                          */
2157 /* Routine Name: copy_mem_info                                              */
2158 /*                                                                          */
2159 /* Routine Description:                                                     */
2160 /*                                                                          */
2161 /*   Copy data into an IPS_INFOSTR structure                                */
2162 /*                                                                          */
2163 /****************************************************************************/
2164 static void
2165 copy_mem_info(IPS_INFOSTR * info, char *data, int len)
2166 {
2167         METHOD_TRACE("copy_mem_info", 1);
2168
2169         if (info->pos + len < info->offset) {
2170                 info->pos += len;
2171                 return;
2172         }
2173
2174         if (info->pos < info->offset) {
2175                 data += (info->offset - info->pos);
2176                 len -= (info->offset - info->pos);
2177                 info->pos += (info->offset - info->pos);
2178         }
2179
2180         if (info->localpos + len > info->length)
2181                 len = info->length - info->localpos;
2182
2183         if (len > 0) {
2184                 memcpy(info->buffer + info->localpos, data, len);
2185                 info->pos += len;
2186                 info->localpos += len;
2187         }
2188 }
2189
2190 /****************************************************************************/
2191 /*                                                                          */
2192 /* Routine Name: copy_info                                                  */
2193 /*                                                                          */
2194 /* Routine Description:                                                     */
2195 /*                                                                          */
2196 /*   printf style wrapper for an info structure                             */
2197 /*                                                                          */
2198 /****************************************************************************/
2199 static int
2200 copy_info(IPS_INFOSTR * info, char *fmt, ...)
2201 {
2202         va_list args;
2203         char buf[128];
2204         int len;
2205
2206         METHOD_TRACE("copy_info", 1);
2207
2208         va_start(args, fmt);
2209         len = vsprintf(buf, fmt, args);
2210         va_end(args);
2211
2212         copy_mem_info(info, buf, len);
2213
2214         return (len);
2215 }
2216
2217 /****************************************************************************/
2218 /*                                                                          */
2219 /* Routine Name: ips_identify_controller                                    */
2220 /*                                                                          */
2221 /* Routine Description:                                                     */
2222 /*                                                                          */
2223 /*   Identify this controller                                               */
2224 /*                                                                          */
2225 /****************************************************************************/
2226 static void
2227 ips_identify_controller(ips_ha_t * ha)
2228 {
2229         METHOD_TRACE("ips_identify_controller", 1);
2230
2231         switch (ha->pcidev->device) {
2232         case IPS_DEVICEID_COPPERHEAD:
2233                 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
2234                         ha->ad_type = IPS_ADTYPE_SERVERAID;
2235                 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
2236                         ha->ad_type = IPS_ADTYPE_SERVERAID2;
2237                 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
2238                         ha->ad_type = IPS_ADTYPE_NAVAJO;
2239                 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
2240                            && (ha->slot_num == 0)) {
2241                         ha->ad_type = IPS_ADTYPE_KIOWA;
2242                 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2243                            (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
2244                         if (ha->enq->ucMaxPhysicalDevices == 15)
2245                                 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2246                         else
2247                                 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2248                 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2249                            (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
2250                         ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2251                 }
2252                 break;
2253
2254         case IPS_DEVICEID_MORPHEUS:
2255                 switch (ha->pcidev->subsystem_device) {
2256                 case IPS_SUBDEVICEID_4L:
2257                         ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2258                         break;
2259
2260                 case IPS_SUBDEVICEID_4M:
2261                         ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2262                         break;
2263
2264                 case IPS_SUBDEVICEID_4MX:
2265                         ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2266                         break;
2267
2268                 case IPS_SUBDEVICEID_4LX:
2269                         ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2270                         break;
2271
2272                 case IPS_SUBDEVICEID_5I2:
2273                         ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2274                         break;
2275
2276                 case IPS_SUBDEVICEID_5I1:
2277                         ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2278                         break;
2279                 }
2280
2281                 break;
2282
2283         case IPS_DEVICEID_MARCO:
2284                 switch (ha->pcidev->subsystem_device) {
2285                 case IPS_SUBDEVICEID_6M:
2286                         ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2287                         break;
2288                 case IPS_SUBDEVICEID_6I:
2289                         ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2290                         break;
2291                 case IPS_SUBDEVICEID_7k:
2292                         ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2293                         break;
2294                 case IPS_SUBDEVICEID_7M:
2295                         ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2296                         break;
2297                 }
2298                 break;
2299         }
2300 }
2301
2302 /****************************************************************************/
2303 /*                                                                          */
2304 /* Routine Name: ips_get_bios_version                                       */
2305 /*                                                                          */
2306 /* Routine Description:                                                     */
2307 /*                                                                          */
2308 /*   Get the BIOS revision number                                           */
2309 /*                                                                          */
2310 /****************************************************************************/
2311 static void
2312 ips_get_bios_version(ips_ha_t * ha, int intr)
2313 {
2314         ips_scb_t *scb;
2315         int ret;
2316         uint8_t major;
2317         uint8_t minor;
2318         uint8_t subminor;
2319         uint8_t *buffer;
2320         char hexDigits[] =
2321             { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
2322      'D', 'E', 'F' };
2323
2324         METHOD_TRACE("ips_get_bios_version", 1);
2325
2326         major = 0;
2327         minor = 0;
2328
2329         strncpy(ha->bios_version, "       ?", 8);
2330
2331         if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
2332                 if (IPS_USE_MEMIO(ha)) {
2333                         /* Memory Mapped I/O */
2334
2335                         /* test 1st byte */
2336                         writel(0, ha->mem_ptr + IPS_REG_FLAP);
2337                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2338                                 udelay(25);     /* 25 us */
2339
2340                         if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2341                                 return;
2342
2343                         writel(1, ha->mem_ptr + IPS_REG_FLAP);
2344                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2345                                 udelay(25);     /* 25 us */
2346
2347                         if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2348                                 return;
2349
2350                         /* Get Major version */
2351                         writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2352                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2353                                 udelay(25);     /* 25 us */
2354
2355                         major = readb(ha->mem_ptr + IPS_REG_FLDP);
2356
2357                         /* Get Minor version */
2358                         writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2359                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2360                                 udelay(25);     /* 25 us */
2361                         minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2362
2363                         /* Get SubMinor version */
2364                         writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2365                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2366                                 udelay(25);     /* 25 us */
2367                         subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2368
2369                 } else {
2370                         /* Programmed I/O */
2371
2372                         /* test 1st byte */
2373                         outl(0, ha->io_addr + IPS_REG_FLAP);
2374                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2375                                 udelay(25);     /* 25 us */
2376
2377                         if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2378                                 return;
2379
2380                         outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP);
2381                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2382                                 udelay(25);     /* 25 us */
2383
2384                         if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2385                                 return;
2386
2387                         /* Get Major version */
2388                         outl(cpu_to_le32(0x1FF), ha->io_addr + IPS_REG_FLAP);
2389                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2390                                 udelay(25);     /* 25 us */
2391
2392                         major = inb(ha->io_addr + IPS_REG_FLDP);
2393
2394                         /* Get Minor version */
2395                         outl(cpu_to_le32(0x1FE), ha->io_addr + IPS_REG_FLAP);
2396                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2397                                 udelay(25);     /* 25 us */
2398
2399                         minor = inb(ha->io_addr + IPS_REG_FLDP);
2400
2401                         /* Get SubMinor version */
2402                         outl(cpu_to_le32(0x1FD), ha->io_addr + IPS_REG_FLAP);
2403                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2404                                 udelay(25);     /* 25 us */
2405
2406                         subminor = inb(ha->io_addr + IPS_REG_FLDP);
2407
2408                 }
2409         } else {
2410                 /* Morpheus Family - Send Command to the card */
2411
2412                 buffer = ha->ioctl_data;
2413
2414                 memset(buffer, 0, 0x1000);
2415
2416                 scb = &ha->scbs[ha->max_cmds - 1];
2417
2418                 ips_init_scb(ha, scb);
2419
2420                 scb->timeout = ips_cmd_timeout;
2421                 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2422
2423                 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2424                 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2425                 scb->cmd.flashfw.type = 1;
2426                 scb->cmd.flashfw.direction = 0;
2427                 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2428                 scb->cmd.flashfw.total_packets = 1;
2429                 scb->cmd.flashfw.packet_num = 0;
2430                 scb->data_len = 0x1000;
2431                 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2432
2433                 /* issue the command */
2434                 if (((ret =
2435                       ips_send_wait(ha, scb, ips_cmd_timeout,
2436                                     intr)) == IPS_FAILURE)
2437                     || (ret == IPS_SUCCESS_IMM)
2438                     || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2439                         /* Error occurred */
2440
2441                         return;
2442                 }
2443
2444                 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2445                         major = buffer[0x1ff + 0xC0];   /* Offset 0x1ff after the header (0xc0) */
2446                         minor = buffer[0x1fe + 0xC0];   /* Offset 0x1fe after the header (0xc0) */
2447                         subminor = buffer[0x1fd + 0xC0];        /* Offset 0x1fd after the header (0xc0) */
2448                 } else {
2449                         return;
2450                 }
2451         }
2452
2453         ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4];
2454         ha->bios_version[1] = '.';
2455         ha->bios_version[2] = hexDigits[major & 0x0F];
2456         ha->bios_version[3] = hexDigits[subminor];
2457         ha->bios_version[4] = '.';
2458         ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4];
2459         ha->bios_version[6] = hexDigits[minor & 0x0F];
2460         ha->bios_version[7] = 0;
2461 }
2462
2463 /****************************************************************************/
2464 /*                                                                          */
2465 /* Routine Name: ips_hainit                                                 */
2466 /*                                                                          */
2467 /* Routine Description:                                                     */
2468 /*                                                                          */
2469 /*   Initialize the controller                                              */
2470 /*                                                                          */
2471 /* NOTE: Assumes to be called from with a lock                              */
2472 /*                                                                          */
2473 /****************************************************************************/
2474 static int
2475 ips_hainit(ips_ha_t * ha)
2476 {
2477         int i;
2478         struct timeval tv;
2479
2480         METHOD_TRACE("ips_hainit", 1);
2481
2482         if (!ha)
2483                 return (0);
2484
2485         if (ha->func.statinit)
2486                 (*ha->func.statinit) (ha);
2487
2488         if (ha->func.enableint)
2489                 (*ha->func.enableint) (ha);
2490
2491         /* Send FFDC */
2492         ha->reset_count = 1;
2493         do_gettimeofday(&tv);
2494         ha->last_ffdc = tv.tv_sec;
2495         ips_ffdc_reset(ha, IPS_INTR_IORL);
2496
2497         if (!ips_read_config(ha, IPS_INTR_IORL)) {
2498                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2499                            "unable to read config from controller.\n");
2500
2501                 return (0);
2502         }
2503         /* end if */
2504         if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2505                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2506                            "unable to read controller status.\n");
2507
2508                 return (0);
2509         }
2510
2511         /* Identify this controller */
2512         ips_identify_controller(ha);
2513
2514         if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2515                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2516                            "unable to read subsystem parameters.\n");
2517
2518                 return (0);
2519         }
2520
2521         /* write nvram user page 5 */
2522         if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2523                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2524                            "unable to write driver info to controller.\n");
2525
2526                 return (0);
2527         }
2528
2529         /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2530         if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2531                 ips_clear_adapter(ha, IPS_INTR_IORL);
2532
2533         /* set limits on SID, LUN, BUS */
2534         ha->ntargets = IPS_MAX_TARGETS + 1;
2535         ha->nlun = 1;
2536         ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2537
2538         switch (ha->conf->logical_drive[0].ucStripeSize) {
2539         case 4:
2540                 ha->max_xfer = 0x10000;
2541                 break;
2542
2543         case 5:
2544                 ha->max_xfer = 0x20000;
2545                 break;
2546
2547         case 6:
2548                 ha->max_xfer = 0x40000;
2549                 break;
2550
2551         case 7:
2552         default:
2553                 ha->max_xfer = 0x80000;
2554                 break;
2555         }
2556
2557         /* setup max concurrent commands */
2558         if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2559                 /* Use the new method */
2560                 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2561         } else {
2562                 /* use the old method */
2563                 switch (ha->conf->logical_drive[0].ucStripeSize) {
2564                 case 4:
2565                         ha->max_cmds = 32;
2566                         break;
2567
2568                 case 5:
2569                         ha->max_cmds = 16;
2570                         break;
2571
2572                 case 6:
2573                         ha->max_cmds = 8;
2574                         break;
2575
2576                 case 7:
2577                 default:
2578                         ha->max_cmds = 4;
2579                         break;
2580                 }
2581         }
2582
2583         /* Limit the Active Commands on a Lite Adapter */
2584         if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2585             (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2586             (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2587                 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2588                         ha->max_cmds = MaxLiteCmds;
2589         }
2590
2591         /* set controller IDs */
2592         ha->ha_id[0] = IPS_ADAPTER_ID;
2593         for (i = 1; i < ha->nbus; i++) {
2594                 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2595                 ha->dcdb_active[i - 1] = 0;
2596         }
2597
2598         return (1);
2599 }
2600
2601 /****************************************************************************/
2602 /*                                                                          */
2603 /* Routine Name: ips_next                                                   */
2604 /*                                                                          */
2605 /* Routine Description:                                                     */
2606 /*                                                                          */
2607 /*   Take the next command off the queue and send it to the controller      */
2608 /*                                                                          */
2609 /****************************************************************************/
2610 static void
2611 ips_next(ips_ha_t * ha, int intr)
2612 {
2613         ips_scb_t *scb;
2614         struct scsi_cmnd *SC;
2615         struct scsi_cmnd *p;
2616         struct scsi_cmnd *q;
2617         ips_copp_wait_item_t *item;
2618         int ret;
2619         struct Scsi_Host *host;
2620         METHOD_TRACE("ips_next", 1);
2621
2622         if (!ha)
2623                 return;
2624         host = ips_sh[ha->host_num];
2625         /*
2626          * Block access to the queue function so
2627          * this command won't time out
2628          */
2629         if (intr == IPS_INTR_ON)
2630                 spin_lock(host->host_lock);
2631
2632         if ((ha->subsys->param[3] & 0x300000)
2633             && (ha->scb_activelist.count == 0)) {
2634                 struct timeval tv;
2635
2636                 do_gettimeofday(&tv);
2637
2638                 if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) {
2639                         ha->last_ffdc = tv.tv_sec;
2640                         ips_ffdc_time(ha);
2641                 }
2642         }
2643
2644         /*
2645          * Send passthru commands
2646          * These have priority over normal I/O
2647          * but shouldn't affect performance too much
2648          * since we limit the number that can be active
2649          * on the card at any one time
2650          */
2651         while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2652                (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2653
2654                 item = ips_removeq_copp_head(&ha->copp_waitlist);
2655                 ha->num_ioctl++;
2656                 if (intr == IPS_INTR_ON)
2657                         spin_unlock(host->host_lock);
2658                 scb->scsi_cmd = item->scsi_cmd;
2659                 kfree(item);
2660
2661                 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2662
2663                 if (intr == IPS_INTR_ON)
2664                         spin_lock(host->host_lock);
2665                 switch (ret) {
2666                 case IPS_FAILURE:
2667                         if (scb->scsi_cmd) {
2668                                 scb->scsi_cmd->result = DID_ERROR << 16;
2669                                 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2670                         }
2671
2672                         ips_freescb(ha, scb);
2673                         break;
2674                 case IPS_SUCCESS_IMM:
2675                         if (scb->scsi_cmd) {
2676                                 scb->scsi_cmd->result = DID_OK << 16;
2677                                 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2678                         }
2679
2680                         ips_freescb(ha, scb);
2681                         break;
2682                 default:
2683                         break;
2684                 }               /* end case */
2685
2686                 if (ret != IPS_SUCCESS) {
2687                         ha->num_ioctl--;
2688                         continue;
2689                 }
2690
2691                 ret = ips_send_cmd(ha, scb);
2692
2693                 if (ret == IPS_SUCCESS)
2694                         ips_putq_scb_head(&ha->scb_activelist, scb);
2695                 else
2696                         ha->num_ioctl--;
2697
2698                 switch (ret) {
2699                 case IPS_FAILURE:
2700                         if (scb->scsi_cmd) {
2701                                 scb->scsi_cmd->result = DID_ERROR << 16;
2702                         }
2703
2704                         ips_freescb(ha, scb);
2705                         break;
2706                 case IPS_SUCCESS_IMM:
2707                         ips_freescb(ha, scb);
2708                         break;
2709                 default:
2710                         break;
2711                 }               /* end case */
2712
2713         }
2714
2715         /*
2716          * Send "Normal" I/O commands
2717          */
2718
2719         p = ha->scb_waitlist.head;
2720         while ((p) && (scb = ips_getscb(ha))) {
2721                 if ((scmd_channel(p) > 0)
2722                     && (ha->
2723                         dcdb_active[scmd_channel(p) -
2724                                     1] & (1 << scmd_id(p)))) {
2725                         ips_freescb(ha, scb);
2726                         p = (struct scsi_cmnd *) p->host_scribble;
2727                         continue;
2728                 }
2729
2730                 q = p;
2731                 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2732
2733                 if (intr == IPS_INTR_ON)
2734                         spin_unlock(host->host_lock);   /* Unlock HA after command is taken off queue */
2735
2736                 SC->result = DID_OK;
2737                 SC->host_scribble = NULL;
2738
2739                 scb->target_id = SC->device->id;
2740                 scb->lun = SC->device->lun;
2741                 scb->bus = SC->device->channel;
2742                 scb->scsi_cmd = SC;
2743                 scb->breakup = 0;
2744                 scb->data_len = 0;
2745                 scb->callback = ipsintr_done;
2746                 scb->timeout = ips_cmd_timeout;
2747                 memset(&scb->cmd, 0, 16);
2748
2749                 /* copy in the CDB */
2750                 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2751
2752                 scb->sg_count = scsi_dma_map(SC);
2753                 BUG_ON(scb->sg_count < 0);
2754                 if (scb->sg_count) {
2755                         struct scatterlist *sg;
2756                         int i;
2757
2758                         scb->flags |= IPS_SCB_MAP_SG;
2759
2760                         scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2761                                 if (ips_fill_scb_sg_single
2762                                     (ha, sg_dma_address(sg), scb, i,
2763                                      sg_dma_len(sg)) < 0)
2764                                         break;
2765                         }
2766                         scb->dcdb.transfer_length = scb->data_len;
2767                 } else {
2768                         scb->data_busaddr = 0L;
2769                         scb->sg_len = 0;
2770                         scb->data_len = 0;
2771                         scb->dcdb.transfer_length = 0;
2772                 }
2773
2774                 scb->dcdb.cmd_attribute =
2775                     ips_command_direction[scb->scsi_cmd->cmnd[0]];
2776
2777                 /* Allow a WRITE BUFFER Command to Have no Data */
2778                 /* This is Used by Tape Flash Utilites          */
2779                 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2780                                 (scb->data_len == 0))
2781                         scb->dcdb.cmd_attribute = 0;
2782
2783                 if (!(scb->dcdb.cmd_attribute & 0x3))
2784                         scb->dcdb.transfer_length = 0;
2785
2786                 if (scb->data_len >= IPS_MAX_XFER) {
2787                         scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2788                         scb->dcdb.transfer_length = 0;
2789                 }
2790                 if (intr == IPS_INTR_ON)
2791                         spin_lock(host->host_lock);
2792
2793                 ret = ips_send_cmd(ha, scb);
2794
2795                 switch (ret) {
2796                 case IPS_SUCCESS:
2797                         ips_putq_scb_head(&ha->scb_activelist, scb);
2798                         break;
2799                 case IPS_FAILURE:
2800                         if (scb->scsi_cmd) {
2801                                 scb->scsi_cmd->result = DID_ERROR << 16;
2802                                 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2803                         }
2804
2805                         if (scb->bus)
2806                                 ha->dcdb_active[scb->bus - 1] &=
2807                                     ~(1 << scb->target_id);
2808
2809                         ips_freescb(ha, scb);
2810                         break;
2811                 case IPS_SUCCESS_IMM:
2812                         if (scb->scsi_cmd)
2813                                 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2814
2815                         if (scb->bus)
2816                                 ha->dcdb_active[scb->bus - 1] &=
2817                                     ~(1 << scb->target_id);
2818
2819                         ips_freescb(ha, scb);
2820                         break;
2821                 default:
2822                         break;
2823                 }               /* end case */
2824
2825                 p = (struct scsi_cmnd *) p->host_scribble;
2826
2827         }                       /* end while */
2828
2829         if (intr == IPS_INTR_ON)
2830                 spin_unlock(host->host_lock);
2831 }
2832
2833 /****************************************************************************/
2834 /*                                                                          */
2835 /* Routine Name: ips_putq_scb_head                                          */
2836 /*                                                                          */
2837 /* Routine Description:                                                     */
2838 /*                                                                          */
2839 /*   Add an item to the head of the queue                                   */
2840 /*                                                                          */
2841 /* ASSUMED to be called from within the HA lock                             */
2842 /*                                                                          */
2843 /****************************************************************************/
2844 static void
2845 ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2846 {
2847         METHOD_TRACE("ips_putq_scb_head", 1);
2848
2849         if (!item)
2850                 return;
2851
2852         item->q_next = queue->head;
2853         queue->head = item;
2854
2855         if (!queue->tail)
2856                 queue->tail = item;
2857
2858         queue->count++;
2859 }
2860
2861 /****************************************************************************/
2862 /*                                                                          */
2863 /* Routine Name: ips_removeq_scb_head                                       */
2864 /*                                                                          */
2865 /* Routine Description:                                                     */
2866 /*                                                                          */
2867 /*   Remove the head of the queue                                           */
2868 /*                                                                          */
2869 /* ASSUMED to be called from within the HA lock                             */
2870 /*                                                                          */
2871 /****************************************************************************/
2872 static ips_scb_t *
2873 ips_removeq_scb_head(ips_scb_queue_t * queue)
2874 {
2875         ips_scb_t *item;
2876
2877         METHOD_TRACE("ips_removeq_scb_head", 1);
2878
2879         item = queue->head;
2880
2881         if (!item) {
2882                 return (NULL);
2883         }
2884
2885         queue->head = item->q_next;
2886         item->q_next = NULL;
2887
2888         if (queue->tail == item)
2889                 queue->tail = NULL;
2890
2891         queue->count--;
2892
2893         return (item);
2894 }
2895
2896 /****************************************************************************/
2897 /*                                                                          */
2898 /* Routine Name: ips_removeq_scb                                            */
2899 /*                                                                          */
2900 /* Routine Description:                                                     */
2901 /*                                                                          */
2902 /*   Remove an item from a queue                                            */
2903 /*                                                                          */
2904 /* ASSUMED to be called from within the HA lock                             */
2905 /*                                                                          */
2906 /****************************************************************************/
2907 static ips_scb_t *
2908 ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2909 {
2910         ips_scb_t *p;
2911
2912         METHOD_TRACE("ips_removeq_scb", 1);
2913
2914         if (!item)
2915                 return (NULL);
2916
2917         if (item == queue->head) {
2918                 return (ips_removeq_scb_head(queue));
2919         }
2920
2921         p = queue->head;
2922
2923         while ((p) && (item != p->q_next))
2924                 p = p->q_next;
2925
2926         if (p) {
2927                 /* found a match */
2928                 p->q_next = item->q_next;
2929
2930                 if (!item->q_next)
2931                         queue->tail = p;
2932
2933                 item->q_next = NULL;
2934                 queue->count--;
2935
2936                 return (item);
2937         }
2938
2939         return (NULL);
2940 }
2941
2942 /****************************************************************************/
2943 /*                                                                          */
2944 /* Routine Name: ips_putq_wait_tail                                         */
2945 /*                                                                          */
2946 /* Routine Description:                                                     */
2947 /*                                                                          */
2948 /*   Add an item to the tail of the queue                                   */
2949 /*                                                                          */
2950 /* ASSUMED to be called from within the HA lock                             */
2951 /*                                                                          */
2952 /****************************************************************************/
2953 static void ips_putq_wait_tail(ips_wait_queue_t *queue, struct scsi_cmnd *item)
2954 {
2955         METHOD_TRACE("ips_putq_wait_tail", 1);
2956
2957         if (!item)
2958                 return;
2959
2960         item->host_scribble = NULL;
2961
2962         if (queue->tail)
2963                 queue->tail->host_scribble = (char *) item;
2964
2965         queue->tail = item;
2966
2967         if (!queue->head)
2968                 queue->head = item;
2969
2970         queue->count++;
2971 }
2972
2973 /****************************************************************************/
2974 /*                                                                          */
2975 /* Routine Name: ips_removeq_wait_head                                      */
2976 /*                                                                          */
2977 /* Routine Description:                                                     */
2978 /*                                                                          */
2979 /*   Remove the head of the queue                                           */
2980 /*                                                                          */
2981 /* ASSUMED to be called from within the HA lock                             */
2982 /*                                                                          */
2983 /****************************************************************************/
2984 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *queue)
2985 {
2986         struct scsi_cmnd *item;
2987
2988         METHOD_TRACE("ips_removeq_wait_head", 1);
2989
2990         item = queue->head;
2991
2992         if (!item) {
2993                 return (NULL);
2994         }
2995
2996         queue->head = (struct scsi_cmnd *) item->host_scribble;
2997         item->host_scribble = NULL;
2998
2999         if (queue->tail == item)
3000                 queue->tail = NULL;
3001
3002         queue->count--;
3003
3004         return (item);
3005 }
3006
3007 /****************************************************************************/
3008 /*                                                                          */
3009 /* Routine Name: ips_removeq_wait                                           */
3010 /*                                                                          */
3011 /* Routine Description:                                                     */
3012 /*                                                                          */
3013 /*   Remove an item from a queue                                            */
3014 /*                                                                          */
3015 /* ASSUMED to be called from within the HA lock                             */
3016 /*                                                                          */
3017 /****************************************************************************/
3018 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *queue,
3019                                           struct scsi_cmnd *item)
3020 {
3021         struct scsi_cmnd *p;
3022
3023         METHOD_TRACE("ips_removeq_wait", 1);
3024
3025         if (!item)
3026                 return (NULL);
3027
3028         if (item == queue->head) {
3029                 return (ips_removeq_wait_head(queue));
3030         }
3031
3032         p = queue->head;
3033
3034         while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
3035                 p = (struct scsi_cmnd *) p->host_scribble;
3036
3037         if (p) {
3038                 /* found a match */
3039                 p->host_scribble = item->host_scribble;
3040
3041                 if (!item->host_scribble)
3042                         queue->tail = p;
3043
3044                 item->host_scribble = NULL;
3045                 queue->count--;
3046
3047                 return (item);
3048         }
3049
3050         return (NULL);
3051 }
3052
3053 /****************************************************************************/
3054 /*                                                                          */
3055 /* Routine Name: ips_putq_copp_tail                                         */
3056 /*                                                                          */
3057 /* Routine Description:                                                     */
3058 /*                                                                          */
3059 /*   Add an item to the tail of the queue                                   */
3060 /*                                                                          */
3061 /* ASSUMED to be called from within the HA lock                             */
3062 /*                                                                          */
3063 /****************************************************************************/
3064 static void
3065 ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3066 {
3067         METHOD_TRACE("ips_putq_copp_tail", 1);
3068
3069         if (!item)
3070                 return;
3071
3072         item->next = NULL;
3073
3074         if (queue->tail)
3075                 queue->tail->next = item;
3076
3077         queue->tail = item;
3078
3079         if (!queue->head)
3080                 queue->head = item;
3081
3082         queue->count++;
3083 }
3084
3085 /****************************************************************************/
3086 /*                                                                          */
3087 /* Routine Name: ips_removeq_copp_head                                      */
3088 /*                                                                          */
3089 /* Routine Description:                                                     */
3090 /*                                                                          */
3091 /*   Remove the head of the queue                                           */
3092 /*                                                                          */
3093 /* ASSUMED to be called from within the HA lock                             */
3094 /*                                                                          */
3095 /****************************************************************************/
3096 static ips_copp_wait_item_t *
3097 ips_removeq_copp_head(ips_copp_queue_t * queue)
3098 {
3099         ips_copp_wait_item_t *item;
3100
3101         METHOD_TRACE("ips_removeq_copp_head", 1);
3102
3103         item = queue->head;
3104
3105         if (!item) {
3106                 return (NULL);
3107         }
3108
3109         queue->head = item->next;
3110         item->next = NULL;
3111
3112         if (queue->tail == item)
3113                 queue->tail = NULL;
3114
3115         queue->count--;
3116
3117         return (item);
3118 }
3119
3120 /****************************************************************************/
3121 /*                                                                          */
3122 /* Routine Name: ips_removeq_copp                                           */
3123 /*                                                                          */
3124 /* Routine Description:                                                     */
3125 /*                                                                          */
3126 /*   Remove an item from a queue                                            */
3127 /*                                                                          */
3128 /* ASSUMED to be called from within the HA lock                             */
3129 /*                                                                          */
3130 /****************************************************************************/
3131 static ips_copp_wait_item_t *
3132 ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3133 {
3134         ips_copp_wait_item_t *p;
3135
3136         METHOD_TRACE("ips_removeq_copp", 1);
3137
3138         if (!item)
3139                 return (NULL);
3140
3141         if (item == queue->head) {
3142                 return (ips_removeq_copp_head(queue));
3143         }
3144
3145         p = queue->head;
3146
3147         while ((p) && (item != p->next))
3148                 p = p->next;
3149
3150         if (p) {
3151                 /* found a match */
3152                 p->next = item->next;
3153
3154                 if (!item->next)
3155                         queue->tail = p;
3156
3157                 item->next = NULL;
3158                 queue->count--;
3159
3160                 return (item);
3161         }
3162
3163         return (NULL);
3164 }
3165
3166 /****************************************************************************/
3167 /*                                                                          */
3168 /* Routine Name: ipsintr_blocking                                           */
3169 /*                                                                          */
3170 /* Routine Description:                                                     */
3171 /*                                                                          */
3172 /*   Finalize an interrupt for internal commands                            */
3173 /*                                                                          */
3174 /****************************************************************************/
3175 static void
3176 ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3177 {
3178         METHOD_TRACE("ipsintr_blocking", 2);
3179
3180         ips_freescb(ha, scb);
3181         if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3182                 ha->waitflag = FALSE;
3183
3184                 return;
3185         }
3186 }
3187
3188 /****************************************************************************/
3189 /*                                                                          */
3190 /* Routine Name: ipsintr_done                                               */
3191 /*                                                                          */
3192 /* Routine Description:                                                     */
3193 /*                                                                          */
3194 /*   Finalize an interrupt for non-internal commands                        */
3195 /*                                                                          */
3196 /****************************************************************************/
3197 static void
3198 ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3199 {
3200         METHOD_TRACE("ipsintr_done", 2);
3201
3202         if (!scb) {
3203                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3204                            "Spurious interrupt; scb NULL.\n");
3205
3206                 return;
3207         }
3208
3209         if (scb->scsi_cmd == NULL) {
3210                 /* unexpected interrupt */
3211                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3212                            "Spurious interrupt; scsi_cmd not set.\n");
3213
3214                 return;
3215         }
3216
3217         ips_done(ha, scb);
3218 }
3219
3220 /****************************************************************************/
3221 /*                                                                          */
3222 /* Routine Name: ips_done                                                   */
3223 /*                                                                          */
3224 /* Routine Description:                                                     */
3225 /*                                                                          */
3226 /*   Do housekeeping on completed commands                                  */
3227 /*  ASSUMED to be called form within the request lock                       */
3228 /****************************************************************************/
3229 static void
3230 ips_done(ips_ha_t * ha, ips_scb_t * scb)
3231 {
3232         int ret;
3233
3234         METHOD_TRACE("ips_done", 1);
3235
3236         if (!scb)
3237                 return;
3238
3239         if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3240                 ips_cleanup_passthru(ha, scb);
3241                 ha->num_ioctl--;
3242         } else {
3243                 /*
3244                  * Check to see if this command had too much
3245                  * data and had to be broke up.  If so, queue
3246                  * the rest of the data and continue.
3247                  */
3248                 if ((scb->breakup) || (scb->sg_break)) {
3249                         struct scatterlist *sg;
3250                         int i, sg_dma_index, ips_sg_index = 0;
3251
3252                         /* we had a data breakup */
3253                         scb->data_len = 0;
3254
3255                         sg = scsi_sglist(scb->scsi_cmd);
3256
3257                         /* Spin forward to last dma chunk */
3258                         sg_dma_index = scb->breakup;
3259                         for (i = 0; i < scb->breakup; i++)
3260                                 sg = sg_next(sg);
3261
3262                         /* Take care of possible partial on last chunk */
3263                         ips_fill_scb_sg_single(ha,
3264                                                sg_dma_address(sg),
3265                                                scb, ips_sg_index++,
3266                                                sg_dma_len(sg));
3267
3268                         for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3269                              sg_dma_index++, sg = sg_next(sg)) {
3270                                 if (ips_fill_scb_sg_single
3271                                     (ha,
3272                                      sg_dma_address(sg),
3273                                      scb, ips_sg_index++,
3274                                      sg_dma_len(sg)) < 0)
3275                                         break;
3276                         }
3277
3278                         scb->dcdb.transfer_length = scb->data_len;
3279                         scb->dcdb.cmd_attribute |=
3280                             ips_command_direction[scb->scsi_cmd->cmnd[0]];
3281
3282                         if (!(scb->dcdb.cmd_attribute & 0x3))
3283                                 scb->dcdb.transfer_length = 0;
3284
3285                         if (scb->data_len >= IPS_MAX_XFER) {
3286                                 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3287                                 scb->dcdb.transfer_length = 0;
3288                         }
3289
3290                         ret = ips_send_cmd(ha, scb);
3291
3292                         switch (ret) {
3293                         case IPS_FAILURE:
3294                                 if (scb->scsi_cmd) {
3295                                         scb->scsi_cmd->result = DID_ERROR << 16;
3296                                         scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3297                                 }
3298
3299                                 ips_freescb(ha, scb);
3300                                 break;
3301                         case IPS_SUCCESS_IMM:
3302                                 if (scb->scsi_cmd) {
3303                                         scb->scsi_cmd->result = DID_ERROR << 16;
3304                                         scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3305                                 }
3306
3307                                 ips_freescb(ha, scb);
3308                                 break;
3309                         default:
3310                                 break;
3311                         }       /* end case */
3312
3313                         return;
3314                 }
3315         }                       /* end if passthru */
3316
3317         if (scb->bus) {
3318                 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3319         }
3320
3321         scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3322
3323         ips_freescb(ha, scb);
3324 }
3325
3326 /****************************************************************************/
3327 /*                                                                          */
3328 /* Routine Name: ips_map_status                                             */
3329 /*                                                                          */
3330 /* Routine Description:                                                     */
3331 /*                                                                          */
3332 /*   Map Controller Error codes to Linux Error Codes                        */
3333 /*                                                                          */
3334 /****************************************************************************/
3335 static int
3336 ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3337 {
3338         int errcode;
3339         int device_error;
3340         uint32_t transfer_len;
3341         IPS_DCDB_TABLE_TAPE *tapeDCDB;
3342         IPS_SCSI_INQ_DATA inquiryData;
3343
3344         METHOD_TRACE("ips_map_status", 1);
3345
3346         if (scb->bus) {
3347                 DEBUG_VAR(2,
3348                           "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3349                           ips_name, ha->host_num,
3350                           scb->scsi_cmd->device->channel,
3351                           scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3352                           scb->basic_status, scb->extended_status,
3353                           scb->extended_status ==
3354                           IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3355                           scb->extended_status ==
3356                           IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3357                           scb->extended_status ==
3358                           IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3359         }
3360
3361         /* default driver error */
3362         errcode = DID_ERROR;
3363         device_error = 0;
3364
3365         switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3366         case IPS_CMD_TIMEOUT:
3367                 errcode = DID_TIME_OUT;
3368                 break;
3369
3370         case IPS_INVAL_OPCO:
3371         case IPS_INVAL_CMD_BLK:
3372         case IPS_INVAL_PARM_BLK:
3373         case IPS_LD_ERROR:
3374         case IPS_CMD_CMPLT_WERROR:
3375                 break;
3376
3377         case IPS_PHYS_DRV_ERROR:
3378                 switch (scb->extended_status) {
3379                 case IPS_ERR_SEL_TO:
3380                         if (scb->bus)
3381                                 errcode = DID_NO_CONNECT;
3382
3383                         break;
3384
3385                 case IPS_ERR_OU_RUN:
3386                         if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3387                             (scb->cmd.dcdb.op_code ==
3388                              IPS_CMD_EXTENDED_DCDB_SG)) {
3389                                 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3390                                 transfer_len = tapeDCDB->transfer_length;
3391                         } else {
3392                                 transfer_len =
3393                                     (uint32_t) scb->dcdb.transfer_length;
3394                         }
3395
3396                         if ((scb->bus) && (transfer_len < scb->data_len)) {
3397                                 /* Underrun - set default to no error */
3398                                 errcode = DID_OK;
3399
3400                                 /* Restrict access to physical DASD */
3401                                 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3402                                     ips_scmd_buf_read(scb->scsi_cmd,
3403                                       &inquiryData, sizeof (inquiryData));
3404                                     if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3405                                         errcode = DID_TIME_OUT;
3406                                         break;
3407                                     }
3408                                 }
3409                         } else
3410                                 errcode = DID_ERROR;
3411
3412                         break;
3413
3414                 case IPS_ERR_RECOVERY:
3415                         /* don't fail recovered errors */
3416                         if (scb->bus)
3417                                 errcode = DID_OK;
3418
3419                         break;
3420
3421                 case IPS_ERR_HOST_RESET:
3422                 case IPS_ERR_DEV_RESET:
3423                         errcode = DID_RESET;
3424                         break;
3425
3426                 case IPS_ERR_CKCOND:
3427                         if (scb->bus) {
3428                                 if ((scb->cmd.dcdb.op_code ==
3429                                      IPS_CMD_EXTENDED_DCDB)
3430                                     || (scb->cmd.dcdb.op_code ==
3431                                         IPS_CMD_EXTENDED_DCDB_SG)) {
3432                                         tapeDCDB =
3433                                             (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3434                                         memcpy(scb->scsi_cmd->sense_buffer,
3435                                                tapeDCDB->sense_info,
3436                                                SCSI_SENSE_BUFFERSIZE);
3437                                 } else {
3438                                         memcpy(scb->scsi_cmd->sense_buffer,
3439                                                scb->dcdb.sense_info,
3440                                                SCSI_SENSE_BUFFERSIZE);
3441                                 }
3442                                 device_error = 2;       /* check condition */
3443                         }
3444
3445                         errcode = DID_OK;
3446
3447                         break;
3448
3449                 default:
3450                         errcode = DID_ERROR;
3451                         break;
3452
3453                 }               /* end switch */
3454         }                       /* end switch */
3455
3456         scb->scsi_cmd->result = device_error | (errcode << 16);
3457
3458         return (1);
3459 }
3460
3461 /****************************************************************************/
3462 /*                                                                          */
3463 /* Routine Name: ips_send_wait                                              */
3464 /*                                                                          */
3465 /* Routine Description:                                                     */
3466 /*                                                                          */
3467 /*   Send a command to the controller and wait for it to return             */
3468 /*                                                                          */
3469 /*   The FFDC Time Stamp use this function for the callback, but doesn't    */
3470 /*   actually need to wait.                                                 */
3471 /****************************************************************************/
3472 static int
3473 ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3474 {
3475         int ret;
3476
3477         METHOD_TRACE("ips_send_wait", 1);
3478
3479         if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3480                 ha->waitflag = TRUE;
3481                 ha->cmd_in_progress = scb->cdb[0];
3482         }
3483         scb->callback = ipsintr_blocking;
3484         ret = ips_send_cmd(ha, scb);
3485
3486         if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3487                 return (ret);
3488
3489         if (intr != IPS_FFDC)   /* Don't Wait around if this is a Time Stamp */
3490                 ret = ips_wait(ha, timeout, intr);
3491
3492         return (ret);
3493 }
3494
3495 /****************************************************************************/
3496 /*                                                                          */
3497 /* Routine Name: ips_scmd_buf_write                                         */
3498 /*                                                                          */
3499 /* Routine Description:                                                     */
3500 /*  Write data to struct scsi_cmnd request_buffer at proper offsets         */
3501 /****************************************************************************/
3502 static void
3503 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3504 {
3505         unsigned long flags;
3506
3507         local_irq_save(flags);
3508         scsi_sg_copy_from_buffer(scmd, data, count);
3509         local_irq_restore(flags);
3510 }
3511
3512 /****************************************************************************/
3513 /*                                                                          */
3514 /* Routine Name: ips_scmd_buf_read                                          */
3515 /*                                                                          */
3516 /* Routine Description:                                                     */
3517 /*  Copy data from a struct scsi_cmnd to a new, linear buffer               */
3518 /****************************************************************************/
3519 static void
3520 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3521 {
3522         unsigned long flags;
3523
3524         local_irq_save(flags);
3525         scsi_sg_copy_to_buffer(scmd, data, count);
3526         local_irq_restore(flags);
3527 }
3528
3529 /****************************************************************************/
3530 /*                                                                          */
3531 /* Routine Name: ips_send_cmd                                               */
3532 /*                                                                          */
3533 /* Routine Description:                                                     */
3534 /*                                                                          */
3535 /*   Map SCSI commands to ServeRAID commands for logical drives             */
3536 /*                                                                          */
3537 /****************************************************************************/
3538 static int
3539 ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3540 {
3541         int ret;
3542         char *sp;
3543         int device_error;
3544         IPS_DCDB_TABLE_TAPE *tapeDCDB;
3545         int TimeOut;
3546
3547         METHOD_TRACE("ips_send_cmd", 1);
3548
3549         ret = IPS_SUCCESS;
3550
3551         if (!scb->scsi_cmd) {
3552                 /* internal command */
3553
3554                 if (scb->bus > 0) {
3555                         /* Controller commands can't be issued */
3556                         /* to real devices -- fail them        */
3557                         if ((ha->waitflag == TRUE) &&
3558                             (ha->cmd_in_progress == scb->cdb[0])) {
3559                                 ha->waitflag = FALSE;
3560                         }
3561
3562                         return (1);
3563                 }
3564         } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3565                 /* command to logical bus -- interpret */
3566                 ret = IPS_SUCCESS_IMM;
3567
3568                 switch (scb->scsi_cmd->cmnd[0]) {
3569                 case ALLOW_MEDIUM_REMOVAL:
3570                 case REZERO_UNIT:
3571                 case ERASE:
3572                 case WRITE_FILEMARKS:
3573                 case SPACE:
3574                         scb->scsi_cmd->result = DID_ERROR << 16;
3575                         break;
3576
3577                 case START_STOP:
3578                         scb->scsi_cmd->result = DID_OK << 16;
3579
3580                 case TEST_UNIT_READY:
3581                 case INQUIRY:
3582                         if (scb->target_id == IPS_ADAPTER_ID) {
3583                                 /*
3584                                  * Either we have a TUR
3585                                  * or we have a SCSI inquiry
3586                                  */
3587                                 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3588                                         scb->scsi_cmd->result = DID_OK << 16;
3589
3590                                 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3591                                         IPS_SCSI_INQ_DATA inquiry;
3592
3593                                         memset(&inquiry, 0,
3594                                                sizeof (IPS_SCSI_INQ_DATA));
3595
3596                                         inquiry.DeviceType =
3597                                             IPS_SCSI_INQ_TYPE_PROCESSOR;
3598                                         inquiry.DeviceTypeQualifier =
3599                                             IPS_SCSI_INQ_LU_CONNECTED;
3600                                         inquiry.Version = IPS_SCSI_INQ_REV2;
3601                                         inquiry.ResponseDataFormat =
3602                                             IPS_SCSI_INQ_RD_REV2;
3603                                         inquiry.AdditionalLength = 31;
3604                                         inquiry.Flags[0] =
3605                                             IPS_SCSI_INQ_Address16;
3606                                         inquiry.Flags[1] =
3607                                             IPS_SCSI_INQ_WBus16 |
3608                                             IPS_SCSI_INQ_Sync;
3609                                         strncpy(inquiry.VendorId, "IBM     ",
3610                                                 8);
3611                                         strncpy(inquiry.ProductId,
3612                                                 "SERVERAID       ", 16);
3613                                         strncpy(inquiry.ProductRevisionLevel,
3614                                                 "1.00", 4);
3615
3616                                         ips_scmd_buf_write(scb->scsi_cmd,
3617                                                            &inquiry,
3618                                                            sizeof (inquiry));
3619
3620                                         scb->scsi_cmd->result = DID_OK << 16;
3621                                 }
3622                         } else {
3623                                 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3624                                 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3625                                 scb->cmd.logical_info.reserved = 0;
3626                                 scb->cmd.logical_info.reserved2 = 0;
3627                                 scb->data_len = sizeof (IPS_LD_INFO);
3628                                 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3629                                 scb->flags = 0;
3630                                 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3631                                 ret = IPS_SUCCESS;
3632                         }
3633
3634                         break;
3635
3636                 case REQUEST_SENSE:
3637                         ips_reqsen(ha, scb);
3638                         scb->scsi_cmd->result = DID_OK << 16;
3639                         break;
3640
3641                 case READ_6:
3642                 case WRITE_6:
3643                         if (!scb->sg_len) {
3644                                 scb->cmd.basic_io.op_code =
3645                                     (scb->scsi_cmd->cmnd[0] ==
3646                                      READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3647                                 scb->cmd.basic_io.enhanced_sg = 0;
3648                                 scb->cmd.basic_io.sg_addr =
3649                                     cpu_to_le32(scb->data_busaddr);
3650                         } else {
3651                                 scb->cmd.basic_io.op_code =
3652                                     (scb->scsi_cmd->cmnd[0] ==
3653                                      READ_6) ? IPS_CMD_READ_SG :
3654                                     IPS_CMD_WRITE_SG;
3655                                 scb->cmd.basic_io.enhanced_sg =
3656                                     IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3657                                 scb->cmd.basic_io.sg_addr =
3658                                     cpu_to_le32(scb->sg_busaddr);
3659                         }
3660
3661                         scb->cmd.basic_io.segment_4G = 0;
3662                         scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3663                         scb->cmd.basic_io.log_drv = scb->target_id;
3664                         scb->cmd.basic_io.sg_count = scb->sg_len;
3665
3666                         if (scb->cmd.basic_io.lba)
3667                                 scb->cmd.basic_io.lba =
3668                                     cpu_to_le32(le32_to_cpu
3669                                                 (scb->cmd.basic_io.lba) +
3670                                                 le16_to_cpu(scb->cmd.basic_io.
3671                                                             sector_count));
3672                         else
3673                                 scb->cmd.basic_io.lba =
3674                                     (((scb->scsi_cmd->
3675                                        cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3676                                                                  cmnd[2] << 8) |
3677                                      (scb->scsi_cmd->cmnd[3]));
3678
3679                         scb->cmd.basic_io.sector_count =
3680                             cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3681
3682                         if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3683                                 scb->cmd.basic_io.sector_count =
3684                                     cpu_to_le16(256);
3685
3686                         ret = IPS_SUCCESS;
3687                         break;
3688
3689                 case READ_10:
3690                 case WRITE_10:
3691                         if (!scb->sg_len) {
3692                                 scb->cmd.basic_io.op_code =
3693                                     (scb->scsi_cmd->cmnd[0] ==
3694                                      READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3695                                 scb->cmd.basic_io.enhanced_sg = 0;
3696                                 scb->cmd.basic_io.sg_addr =
3697                                     cpu_to_le32(scb->data_busaddr);
3698                         } else {
3699                                 scb->cmd.basic_io.op_code =
3700                                     (scb->scsi_cmd->cmnd[0] ==
3701                                      READ_10) ? IPS_CMD_READ_SG :
3702                                     IPS_CMD_WRITE_SG;
3703                                 scb->cmd.basic_io.enhanced_sg =
3704                                     IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3705                                 scb->cmd.basic_io.sg_addr =
3706                                     cpu_to_le32(scb->sg_busaddr);
3707                         }
3708
3709                         scb->cmd.basic_io.segment_4G = 0;
3710                         scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3711                         scb->cmd.basic_io.log_drv = scb->target_id;
3712                         scb->cmd.basic_io.sg_count = scb->sg_len;
3713
3714                         if (scb->cmd.basic_io.lba)
3715                                 scb->cmd.basic_io.lba =
3716                                     cpu_to_le32(le32_to_cpu
3717                                                 (scb->cmd.basic_io.lba) +
3718                                                 le16_to_cpu(scb->cmd.basic_io.
3719                                                             sector_count));
3720                         else
3721                                 scb->cmd.basic_io.lba =
3722                                     ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3723                                                                        scsi_cmd->
3724                                                                        cmnd[3]
3725                                                                        << 16) |
3726                                      (scb->scsi_cmd->cmnd[4] << 8) | scb->
3727                                      scsi_cmd->cmnd[5]);
3728
3729                         scb->cmd.basic_io.sector_count =
3730                             cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3731
3732                         if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3733                                 /*
3734                                  * This is a null condition
3735                                  * we don't have to do anything
3736                                  * so just return
3737                                  */
3738                                 scb->scsi_cmd->result = DID_OK << 16;
3739                         } else
3740                                 ret = IPS_SUCCESS;
3741
3742                         break;
3743
3744                 case RESERVE:
3745                 case RELEASE:
3746                         scb->scsi_cmd->result = DID_OK << 16;
3747                         break;
3748
3749                 case MODE_SENSE:
3750                         scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3751                         scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3752                         scb->cmd.basic_io.segment_4G = 0;
3753                         scb->cmd.basic_io.enhanced_sg = 0;
3754                         scb->data_len = sizeof (*ha->enq);
3755                         scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3756                         ret = IPS_SUCCESS;
3757                         break;
3758
3759                 case READ_CAPACITY:
3760                         scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3761                         scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3762                         scb->cmd.logical_info.reserved = 0;
3763                         scb->cmd.logical_info.reserved2 = 0;
3764                         scb->cmd.logical_info.reserved3 = 0;
3765                         scb->data_len = sizeof (IPS_LD_INFO);
3766                         scb->data_busaddr = ha->logical_drive_info_dma_addr;
3767                         scb->flags = 0;
3768                         scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3769                         ret = IPS_SUCCESS;
3770                         break;
3771
3772                 case SEND_DIAGNOSTIC:
3773                 case REASSIGN_BLOCKS:
3774                 case FORMAT_UNIT:
3775                 case SEEK_10:
3776                 case VERIFY:
3777                 case READ_DEFECT_DATA:
3778                 case READ_BUFFER:
3779                 case WRITE_BUFFER:
3780                         scb->scsi_cmd->result = DID_OK << 16;
3781                         break;
3782
3783                 default:
3784                         /* Set the Return Info to appear like the Command was */
3785                         /* attempted, a Check Condition occurred, and Sense   */
3786                         /* Data indicating an Invalid CDB OpCode is returned. */
3787                         sp = (char *) scb->scsi_cmd->sense_buffer;
3788
3789                         sp[0] = 0x70;   /* Error Code               */
3790                         sp[2] = ILLEGAL_REQUEST;        /* Sense Key 5 Illegal Req. */
3791                         sp[7] = 0x0A;   /* Additional Sense Length  */
3792                         sp[12] = 0x20;  /* ASC = Invalid OpCode     */
3793                         sp[13] = 0x00;  /* ASCQ                     */
3794
3795                         device_error = 2;       /* Indicate Check Condition */
3796                         scb->scsi_cmd->result = device_error | (DID_OK << 16);
3797                         break;
3798                 }               /* end switch */
3799         }
3800         /* end if */
3801         if (ret == IPS_SUCCESS_IMM)
3802                 return (ret);
3803
3804         /* setup DCDB */
3805         if (scb->bus > 0) {
3806
3807                 /* If we already know the Device is Not there, no need to attempt a Command   */
3808                 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3809                 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3810                         scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3811                         return (IPS_SUCCESS_IMM);
3812                 }
3813
3814                 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3815                 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3816                 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3817                                                          (unsigned long) &scb->
3818                                                          dcdb -
3819                                                          (unsigned long) scb);
3820                 scb->cmd.dcdb.reserved = 0;
3821                 scb->cmd.dcdb.reserved2 = 0;
3822                 scb->cmd.dcdb.reserved3 = 0;
3823                 scb->cmd.dcdb.segment_4G = 0;
3824                 scb->cmd.dcdb.enhanced_sg = 0;
3825
3826                 TimeOut = scb->scsi_cmd->timeout_per_command;
3827
3828                 if (ha->subsys->param[4] & 0x00100000) {        /* If NEW Tape DCDB is Supported */
3829                         if (!scb->sg_len) {
3830                                 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3831                         } else {
3832                                 scb->cmd.dcdb.op_code =
3833                                     IPS_CMD_EXTENDED_DCDB_SG;
3834                                 scb->cmd.dcdb.enhanced_sg =
3835                                     IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3836                         }
3837
3838                         tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3839                         tapeDCDB->device_address =
3840                             ((scb->bus - 1) << 4) | scb->target_id;
3841                         tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3842                         tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K;    /* Always Turn OFF 64K Size Flag */
3843
3844                         if (TimeOut) {
3845                                 if (TimeOut < (10 * HZ))
3846                                         tapeDCDB->cmd_attribute |= IPS_TIMEOUT10;       /* TimeOut is 10 Seconds */
3847                                 else if (TimeOut < (60 * HZ))
3848                                         tapeDCDB->cmd_attribute |= IPS_TIMEOUT60;       /* TimeOut is 60 Seconds */
3849                                 else if (TimeOut < (1200 * HZ))
3850                                         tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M;      /* TimeOut is 20 Minutes */
3851                         }
3852
3853                         tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3854                         tapeDCDB->reserved_for_LUN = 0;
3855                         tapeDCDB->transfer_length = scb->data_len;
3856                         if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3857                                 tapeDCDB->buffer_pointer =
3858                                     cpu_to_le32(scb->sg_busaddr);
3859                         else
3860                                 tapeDCDB->buffer_pointer =
3861                                     cpu_to_le32(scb->data_busaddr);
3862                         tapeDCDB->sg_count = scb->sg_len;
3863                         tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3864                         tapeDCDB->scsi_status = 0;
3865                         tapeDCDB->reserved = 0;
3866                         memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3867                                scb->scsi_cmd->cmd_len);
3868                 } else {
3869                         if (!scb->sg_len) {
3870                                 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3871                         } else {
3872                                 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3873                                 scb->cmd.dcdb.enhanced_sg =
3874                                     IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3875                         }
3876
3877                         scb->dcdb.device_address =
3878                             ((scb->bus - 1) << 4) | scb->target_id;
3879                         scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3880
3881                         if (TimeOut) {
3882                                 if (TimeOut < (10 * HZ))
3883                                         scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;       /* TimeOut is 10 Seconds */
3884                                 else if (TimeOut < (60 * HZ))
3885                                         scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;       /* TimeOut is 60 Seconds */
3886                                 else if (TimeOut < (1200 * HZ))
3887                                         scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;      /* TimeOut is 20 Minutes */
3888                         }
3889
3890                         scb->dcdb.transfer_length = scb->data_len;
3891                         if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3892                                 scb->dcdb.transfer_length = 0;
3893                         if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3894                                 scb->dcdb.buffer_pointer =
3895                                     cpu_to_le32(scb->sg_busaddr);
3896                         else
3897                                 scb->dcdb.buffer_pointer =
3898                                     cpu_to_le32(scb->data_busaddr);
3899                         scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3900                         scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3901                         scb->dcdb.sg_count = scb->sg_len;
3902                         scb->dcdb.reserved = 0;
3903                         memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3904                                scb->scsi_cmd->cmd_len);
3905                         scb->dcdb.scsi_status = 0;
3906                         scb->dcdb.reserved2[0] = 0;
3907                         scb->dcdb.reserved2[1] = 0;
3908                         scb->dcdb.reserved2[2] = 0;
3909                 }
3910         }
3911
3912         return ((*ha->func.issue) (ha, scb));
3913 }
3914
3915 /****************************************************************************/
3916 /*                                                                          */
3917 /* Routine Name: ips_chk_status                                             */
3918 /*                                                                          */
3919 /* Routine Description:                                                     */
3920 /*                                                                          */
3921 /*   Check the status of commands to logical drives                         */
3922 /*   Assumed to be called with the HA lock                                  */
3923 /****************************************************************************/
3924 static void
3925 ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3926 {
3927         ips_scb_t *scb;
3928         ips_stat_t *sp;
3929         uint8_t basic_status;
3930         uint8_t ext_status;
3931         int errcode;
3932         IPS_SCSI_INQ_DATA inquiryData;
3933
3934         METHOD_TRACE("ips_chkstatus", 1);
3935
3936         scb = &ha->scbs[pstatus->fields.command_id];
3937         scb->basic_status = basic_status =
3938             pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3939         scb->extended_status = ext_status = pstatus->fields.extended_status;
3940
3941         sp = &ha->sp;
3942         sp->residue_len = 0;
3943         sp->scb_addr = (void *) scb;
3944
3945         /* Remove the item from the active queue */
3946         ips_removeq_scb(&ha->scb_activelist, scb);
3947
3948         if (!scb->scsi_cmd)
3949                 /* internal commands are handled in do_ipsintr */
3950                 return;
3951
3952         DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3953                   ips_name,
3954                   ha->host_num,
3955                   scb->cdb[0],
3956                   scb->cmd.basic_io.command_id,
3957                   scb->bus, scb->target_id, scb->lun);
3958
3959         if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3960                 /* passthru - just returns the raw result */
3961                 return;
3962
3963         errcode = DID_OK;
3964
3965         if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3966             ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3967
3968                 if (scb->bus == 0) {
3969                         if ((basic_status & IPS_GSC_STATUS_MASK) ==
3970                             IPS_CMD_RECOVERED_ERROR) {
3971                                 DEBUG_VAR(1,
3972                                           "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3973                                           ips_name, ha->host_num,
3974                                           scb->cmd.basic_io.op_code,
3975                                           basic_status, ext_status);
3976                         }
3977
3978                         switch (scb->scsi_cmd->cmnd[0]) {
3979                         case ALLOW_MEDIUM_REMOVAL:
3980                         case REZERO_UNIT:
3981                         case ERASE:
3982                         case WRITE_FILEMARKS:
3983                         case SPACE:
3984                                 errcode = DID_ERROR;
3985                                 break;
3986
3987                         case START_STOP:
3988                                 break;
3989
3990                         case TEST_UNIT_READY:
3991                                 if (!ips_online(ha, scb)) {
3992                                         errcode = DID_TIME_OUT;
3993                                 }
3994                                 break;
3995
3996                         case INQUIRY:
3997                                 if (ips_online(ha, scb)) {
3998                                         ips_inquiry(ha, scb);
3999                                 } else {
4000                                         errcode = DID_TIME_OUT;
4001                                 }
4002                                 break;
4003
4004                         case REQUEST_SENSE:
4005                                 ips_reqsen(ha, scb);
4006                                 break;
4007
4008                         case READ_6:
4009                         case WRITE_6:
4010                         case READ_10:
4011                         case WRITE_10:
4012                         case RESERVE:
4013                         case RELEASE:
4014                                 break;
4015
4016                         case MODE_SENSE:
4017                                 if (!ips_online(ha, scb)
4018                                     || !ips_msense(ha, scb)) {
4019                                         errcode = DID_ERROR;
4020                                 }
4021                                 break;
4022
4023                         case READ_CAPACITY:
4024                                 if (ips_online(ha, scb))
4025                                         ips_rdcap(ha, scb);
4026                                 else {
4027                                         errcode = DID_TIME_OUT;
4028                                 }
4029                                 break;
4030
4031                         case SEND_DIAGNOSTIC:
4032                         case REASSIGN_BLOCKS:
4033                                 break;
4034
4035                         case FORMAT_UNIT:
4036                                 errcode = DID_ERROR;
4037                                 break;
4038
4039                         case SEEK_10:
4040                         case VERIFY:
4041                         case READ_DEFECT_DATA:
4042                         case READ_BUFFER:
4043                         case WRITE_BUFFER:
4044                                 break;
4045
4046                         default:
4047                                 errcode = DID_ERROR;
4048                         }       /* end switch */
4049
4050                         scb->scsi_cmd->result = errcode << 16;
4051                 } else {        /* bus == 0 */
4052                         /* restrict access to physical drives */
4053                         if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
4054                             ips_scmd_buf_read(scb->scsi_cmd,
4055                                   &inquiryData, sizeof (inquiryData));
4056                             if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
4057                                 scb->scsi_cmd->result = DID_TIME_OUT << 16;
4058                         }
4059                 }               /* else */
4060         } else {                /* recovered error / success */
4061                 if (scb->bus == 0) {
4062                         DEBUG_VAR(1,
4063                                   "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
4064                                   ips_name, ha->host_num,
4065                                   scb->cmd.basic_io.op_code, basic_status,
4066                                   ext_status);
4067                 }
4068
4069                 ips_map_status(ha, scb, sp);
4070         }                       /* else */
4071 }
4072
4073 /****************************************************************************/
4074 /*                                                                          */
4075 /* Routine Name: ips_online                                                 */
4076 /*                                                                          */
4077 /* Routine Description:                                                     */
4078 /*                                                                          */
4079 /*   Determine if a logical drive is online                                 */
4080 /*                                                                          */
4081 /****************************************************************************/
4082 static int
4083 ips_online(ips_ha_t * ha, ips_scb_t * scb)
4084 {
4085         METHOD_TRACE("ips_online", 1);
4086
4087         if (scb->target_id >= IPS_MAX_LD)
4088                 return (0);
4089
4090         if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
4091                 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
4092                 return (0);
4093         }
4094
4095         if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4096             IPS_LD_OFFLINE
4097             && ha->logical_drive_info->drive_info[scb->target_id].state !=
4098             IPS_LD_FREE
4099             && ha->logical_drive_info->drive_info[scb->target_id].state !=
4100             IPS_LD_CRS
4101             && ha->logical_drive_info->drive_info[scb->target_id].state !=
4102             IPS_LD_SYS)
4103                 return (1);
4104         else
4105                 return (0);
4106 }
4107
4108 /****************************************************************************/
4109 /*                                                                          */
4110 /* Routine Name: ips_inquiry                                                */
4111 /*                                                                          */
4112 /* Routine Description:                                                     */
4113 /*                                                                          */
4114 /*   Simulate an inquiry command to a logical drive                         */
4115 /*                                                                          */
4116 /****************************************************************************/
4117 static int
4118 ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4119 {
4120         IPS_SCSI_INQ_DATA inquiry;
4121
4122         METHOD_TRACE("ips_inquiry", 1);
4123
4124         memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4125
4126         inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4127         inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4128         inquiry.Version = IPS_SCSI_INQ_REV2;
4129         inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4130         inquiry.AdditionalLength = 31;
4131         inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4132         inquiry.Flags[1] =
4133             IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4134         strncpy(inquiry.VendorId, "IBM     ", 8);
4135         strncpy(inquiry.ProductId, "SERVERAID       ", 16);
4136         strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4137
4138         ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4139
4140         return (1);
4141 }
4142
4143 /****************************************************************************/
4144 /*                                                                          */
4145 /* Routine Name: ips_rdcap                                                  */
4146 /*                                                                          */
4147 /* Routine Description:                                                     */
4148 /*                                                                          */
4149 /*   Simulate a read capacity command to a logical drive                    */
4150 /*                                                                          */
4151 /****************************************************************************/
4152 static int
4153 ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4154 {
4155         IPS_SCSI_CAPACITY cap;
4156
4157         METHOD_TRACE("ips_rdcap", 1);
4158
4159         if (scsi_bufflen(scb->scsi_cmd) < 8)
4160                 return (0);
4161
4162         cap.lba =
4163             cpu_to_be32(le32_to_cpu
4164                         (ha->logical_drive_info->
4165                          drive_info[scb->target_id].sector_count) - 1);
4166         cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4167
4168         ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4169
4170         return (1);
4171 }
4172
4173 /****************************************************************************/
4174 /*                                                                          */
4175 /* Routine Name: ips_msense                                                 */
4176 /*                                                                          */
4177 /* Routine Description:                                                     */
4178 /*                                                                          */
4179 /*   Simulate a mode sense command to a logical drive                       */
4180 /*                                                                          */
4181 /****************************************************************************/
4182 static int
4183 ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4184 {
4185         uint16_t heads;
4186         uint16_t sectors;
4187         uint32_t cylinders;
4188         IPS_SCSI_MODE_PAGE_DATA mdata;
4189
4190         METHOD_TRACE("ips_msense", 1);
4191
4192         if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4193             (ha->enq->ucMiscFlag & 0x8) == 0) {
4194                 heads = IPS_NORM_HEADS;
4195                 sectors = IPS_NORM_SECTORS;
4196         } else {
4197                 heads = IPS_COMP_HEADS;
4198                 sectors = IPS_COMP_SECTORS;
4199         }
4200
4201         cylinders =
4202             (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4203              1) / (heads * sectors);
4204
4205         memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4206
4207         mdata.hdr.BlockDescLength = 8;
4208
4209         switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4210         case 0x03:              /* page 3 */
4211                 mdata.pdata.pg3.PageCode = 3;
4212                 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4213                 mdata.hdr.DataLength =
4214                     3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4215                 mdata.pdata.pg3.TracksPerZone = 0;
4216                 mdata.pdata.pg3.AltSectorsPerZone = 0;
4217                 mdata.pdata.pg3.AltTracksPerZone = 0;
4218                 mdata.pdata.pg3.AltTracksPerVolume = 0;
4219                 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4220                 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4221                 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4222                 mdata.pdata.pg3.TrackSkew = 0;
4223                 mdata.pdata.pg3.CylinderSkew = 0;
4224                 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4225                 break;
4226
4227         case 0x4:
4228                 mdata.pdata.pg4.PageCode = 4;
4229                 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4230                 mdata.hdr.DataLength =
4231                     3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4232                 mdata.pdata.pg4.CylindersHigh =
4233                     cpu_to_be16((cylinders >> 8) & 0xFFFF);
4234                 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4235                 mdata.pdata.pg4.Heads = heads;
4236                 mdata.pdata.pg4.WritePrecompHigh = 0;
4237                 mdata.pdata.pg4.WritePrecompLow = 0;
4238                 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4239                 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4240                 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4241                 mdata.pdata.pg4.LandingZoneHigh = 0;
4242                 mdata.pdata.pg4.LandingZoneLow = 0;
4243                 mdata.pdata.pg4.flags = 0;
4244                 mdata.pdata.pg4.RotationalOffset = 0;
4245                 mdata.pdata.pg4.MediumRotationRate = 0;
4246                 break;
4247         case 0x8:
4248                 mdata.pdata.pg8.PageCode = 8;
4249                 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4250                 mdata.hdr.DataLength =
4251                     3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4252                 /* everything else is left set to 0 */
4253                 break;
4254
4255         default:
4256                 return (0);
4257         }                       /* end switch */
4258
4259         ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4260
4261         return (1);
4262 }
4263
4264 /****************************************************************************/
4265 /*                                                                          */
4266 /* Routine Name: ips_reqsen                                                 */
4267 /*                                                                          */
4268 /* Routine Description:                                                     */
4269 /*                                                                          */
4270 /*   Simulate a request sense command to a logical drive                    */
4271 /*                                                                          */
4272 /****************************************************************************/
4273 static int
4274 ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4275 {
4276         IPS_SCSI_REQSEN reqsen;
4277
4278         METHOD_TRACE("ips_reqsen", 1);
4279
4280         memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4281
4282         reqsen.ResponseCode =
4283             IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4284         reqsen.AdditionalLength = 10;
4285         reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4286         reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4287
4288         ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4289
4290         return (1);
4291 }
4292
4293 /****************************************************************************/
4294 /*                                                                          */
4295 /* Routine Name: ips_free                                                   */
4296 /*                                                                          */
4297 /* Routine Description:                                                     */
4298 /*                                                                          */
4299 /*   Free any allocated space for this controller                           */
4300 /*                                                                          */
4301 /****************************************************************************/
4302 static void
4303 ips_free(ips_ha_t * ha)
4304 {
4305
4306         METHOD_TRACE("ips_free", 1);
4307
4308         if (ha) {
4309                 if (ha->enq) {
4310                         pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4311                                             ha->enq, ha->enq_busaddr);
4312                         ha->enq = NULL;
4313                 }
4314
4315                 kfree(ha->conf);
4316                 ha->conf = NULL;
4317
4318                 if (ha->adapt) {
4319                         pci_free_consistent(ha->pcidev,
4320                                             sizeof (IPS_ADAPTER) +
4321                                             sizeof (IPS_IO_CMD), ha->adapt,
4322                                             ha->adapt->hw_status_start);
4323                         ha->adapt = NULL;
4324                 }
4325
4326                 if (ha->logical_drive_info) {
4327                         pci_free_consistent(ha->pcidev,
4328                                             sizeof (IPS_LD_INFO),
4329                                             ha->logical_drive_info,
4330                                             ha->logical_drive_info_dma_addr);
4331                         ha->logical_drive_info = NULL;
4332                 }
4333
4334                 kfree(ha->nvram);
4335                 ha->nvram = NULL;
4336
4337                 kfree(ha->subsys);
4338                 ha->subsys = NULL;
4339
4340                 if (ha->ioctl_data) {
4341                         pci_free_consistent(ha->pcidev, ha->ioctl_len,
4342                                             ha->ioctl_data, ha->ioctl_busaddr);
4343                         ha->ioctl_data = NULL;
4344                         ha->ioctl_datasize = 0;
4345                         ha->ioctl_len = 0;
4346                 }
4347                 ips_deallocatescbs(ha, ha->max_cmds);
4348
4349                 /* free memory mapped (if applicable) */
4350                 if (ha->mem_ptr) {
4351                         iounmap(ha->ioremap_ptr);
4352                         ha->ioremap_ptr = NULL;
4353                         ha->mem_ptr = NULL;
4354                 }
4355
4356                 ha->mem_addr = 0;
4357
4358         }
4359 }
4360
4361 /****************************************************************************/
4362 /*                                                                          */
4363 /* Routine Name: ips_deallocatescbs                                         */
4364 /*                                                                          */
4365 /* Routine Description:                                                     */
4366 /*                                                                          */
4367 /*   Free the command blocks                                                */
4368 /*                                                                          */
4369 /****************************************************************************/
4370 static int
4371 ips_deallocatescbs(ips_ha_t * ha, int cmds)
4372 {
4373         if (ha->scbs) {
4374                 pci_free_consistent(ha->pcidev,
4375                                     IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4376                                     ha->scbs->sg_list.list,
4377                                     ha->scbs->sg_busaddr);
4378                 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4379                                     ha->scbs, ha->scbs->scb_busaddr);
4380                 ha->scbs = NULL;
4381         }                       /* end if */
4382         return 1;
4383 }
4384
4385 /****************************************************************************/
4386 /*                                                                          */
4387 /* Routine Name: ips_allocatescbs                                           */
4388 /*                                                                          */
4389 /* Routine Description:                                                     */
4390 /*                                                                          */
4391 /*   Allocate the command blocks                                            */
4392 /*                                                                          */
4393 /****************************************************************************/
4394 static int
4395 ips_allocatescbs(ips_ha_t * ha)
4396 {
4397         ips_scb_t *scb_p;
4398         IPS_SG_LIST ips_sg;
4399         int i;
4400         dma_addr_t command_dma, sg_dma;
4401
4402         METHOD_TRACE("ips_allocatescbs", 1);
4403
4404         /* Allocate memory for the SCBs */
4405         ha->scbs =
4406             pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4407                                  &command_dma);
4408         if (ha->scbs == NULL)
4409                 return 0;
4410         ips_sg.list =
4411             pci_alloc_consistent(ha->pcidev,
4412                                  IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4413                                  ha->max_cmds, &sg_dma);
4414         if (ips_sg.list == NULL) {
4415                 pci_free_consistent(ha->pcidev,
4416                                     ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4417                                     command_dma);
4418                 return 0;
4419         }
4420
4421         memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4422
4423         for (i = 0; i < ha->max_cmds; i++) {
4424                 scb_p = &ha->scbs[i];
4425                 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4426                 /* set up S/G list */
4427                 if (IPS_USE_ENH_SGLIST(ha)) {
4428                         scb_p->sg_list.enh_list =
4429                             ips_sg.enh_list + i * IPS_MAX_SG;
4430                         scb_p->sg_busaddr =
4431                             sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4432                 } else {
4433                         scb_p->sg_list.std_list =
4434                             ips_sg.std_list + i * IPS_MAX_SG;
4435                         scb_p->sg_busaddr =
4436                             sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4437                 }
4438
4439                 /* add to the free list */
4440                 if (i < ha->max_cmds - 1) {
4441                         scb_p->q_next = ha->scb_freelist;
4442                         ha->scb_freelist = scb_p;
4443                 }
4444         }
4445
4446         /* success */
4447         return (1);
4448 }
4449
4450 /****************************************************************************/
4451 /*                                                                          */
4452 /* Routine Name: ips_init_scb                                               */
4453 /*                                                                          */
4454 /* Routine Description:                                                     */
4455 /*                                                                          */
4456 /*   Initialize a CCB to default values                                     */
4457 /*                                                                          */
4458 /****************************************************************************/
4459 static void
4460 ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4461 {
4462         IPS_SG_LIST sg_list;
4463         uint32_t cmd_busaddr, sg_busaddr;
4464         METHOD_TRACE("ips_init_scb", 1);
4465
4466         if (scb == NULL)
4467                 return;
4468
4469         sg_list.list = scb->sg_list.list;
4470         cmd_busaddr = scb->scb_busaddr;
4471         sg_busaddr = scb->sg_busaddr;
4472         /* zero fill */
4473         memset(scb, 0, sizeof (ips_scb_t));
4474         memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4475
4476         /* Initialize dummy command bucket */
4477         ha->dummy->op_code = 0xFF;
4478         ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4479                                        + sizeof (IPS_ADAPTER));
4480         ha->dummy->command_id = IPS_MAX_CMDS;
4481
4482         /* set bus address of scb */
4483         scb->scb_busaddr = cmd_busaddr;
4484         scb->sg_busaddr = sg_busaddr;
4485         scb->sg_list.list = sg_list.list;
4486
4487         /* Neptune Fix */
4488         scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4489         scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4490                                               + sizeof (IPS_ADAPTER));
4491 }
4492
4493 /****************************************************************************/
4494 /*                                                                          */
4495 /* Routine Name: ips_get_scb                                                */
4496 /*                                                                          */
4497 /* Routine Description:                                                     */
4498 /*                                                                          */
4499 /*   Initialize a CCB to default values                                     */
4500 /*                                                                          */
4501 /* ASSUMED to be callled from within a lock                                 */
4502 /*                                                                          */
4503 /****************************************************************************/
4504 static ips_scb_t *
4505 ips_getscb(ips_ha_t * ha)
4506 {
4507         ips_scb_t *scb;
4508
4509         METHOD_TRACE("ips_getscb", 1);
4510
4511         if ((scb = ha->scb_freelist) == NULL) {
4512
4513                 return (NULL);
4514         }
4515
4516         ha->scb_freelist = scb->q_next;
4517         scb->flags = 0;
4518         scb->q_next = NULL;
4519
4520         ips_init_scb(ha, scb);
4521
4522         return (scb);
4523 }
4524
4525 /****************************************************************************/
4526 /*                                                                          */
4527 /* Routine Name: ips_free_scb                                               */
4528 /*                                                                          */
4529 /* Routine Description:                                                     */
4530 /*                                                                          */
4531 /*   Return an unused CCB back to the free list                             */
4532 /*                                                                          */
4533 /* ASSUMED to be called from within a lock                                  */
4534 /*                                                                          */
4535 /****************************************************************************/
4536 static void
4537 ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4538 {
4539
4540         METHOD_TRACE("ips_freescb", 1);
4541         if (scb->flags & IPS_SCB_MAP_SG)
4542                 scsi_dma_unmap(scb->scsi_cmd);
4543         else if (scb->flags & IPS_SCB_MAP_SINGLE)
4544                 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4545                                  IPS_DMA_DIR(scb));
4546
4547         /* check to make sure this is not our "special" scb */
4548         if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4549                 scb->q_next = ha->scb_freelist;
4550                 ha->scb_freelist = scb;
4551         }
4552 }
4553
4554 /****************************************************************************/
4555 /*                                                                          */
4556 /* Routine Name: ips_isinit_copperhead                                      */
4557 /*                                                                          */
4558 /* Routine Description:                                                     */
4559 /*                                                                          */
4560 /*   Is controller initialized ?                                            */
4561 /*                                                                          */
4562 /****************************************************************************/
4563 static int
4564 ips_isinit_copperhead(ips_ha_t * ha)
4565 {
4566         uint8_t scpr;
4567         uint8_t isr;
4568
4569         METHOD_TRACE("ips_isinit_copperhead", 1);
4570
4571         isr = inb(ha->io_addr + IPS_REG_HISR);
4572         scpr = inb(ha->io_addr + IPS_REG_SCPR);
4573
4574         if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4575                 return (0);
4576         else
4577                 return (1);
4578 }
4579
4580 /****************************************************************************/
4581 /*                                                                          */
4582 /* Routine Name: ips_isinit_copperhead_memio                                */
4583 /*                                                                          */
4584 /* Routine Description:                                                     */
4585 /*                                                                          */
4586 /*   Is controller initialized ?                                            */
4587 /*                                                                          */
4588 /****************************************************************************/
4589 static int
4590 ips_isinit_copperhead_memio(ips_ha_t * ha)
4591 {
4592         uint8_t isr = 0;
4593         uint8_t scpr;
4594
4595         METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4596
4597         isr = readb(ha->mem_ptr + IPS_REG_HISR);
4598         scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4599
4600         if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4601                 return (0);
4602         else
4603                 return (1);
4604 }
4605
4606 /****************************************************************************/
4607 /*                                                                          */
4608 /* Routine Name: ips_isinit_morpheus                                        */
4609 /*                                                                          */
4610 /* Routine Description:                                                     */
4611 /*                                                                          */
4612 /*   Is controller initialized ?                                            */
4613 /*                                                                          */
4614 /****************************************************************************/
4615 static int
4616 ips_isinit_morpheus(ips_ha_t * ha)
4617 {
4618         uint32_t post;
4619         uint32_t bits;
4620
4621         METHOD_TRACE("ips_is_init_morpheus", 1);
4622
4623         if (ips_isintr_morpheus(ha))
4624             ips_flush_and_reset(ha);
4625
4626         post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4627         bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4628
4629         if (post == 0)
4630                 return (0);
4631         else if (bits & 0x3)
4632                 return (0);
4633         else
4634                 return (1);
4635 }
4636
4637 /****************************************************************************/
4638 /*                                                                          */
4639 /* Routine Name: ips_flush_and_reset                                        */
4640 /*                                                                          */
4641 /* Routine Description:                                                     */
4642 /*                                                                          */
4643 /*   Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown  */
4644 /*   state ( was trying to INIT and an interrupt was already pending ) ...  */
4645 /*                                                                          */
4646 /****************************************************************************/
4647 static void
4648 ips_flush_and_reset(ips_ha_t *ha)
4649 {
4650         ips_scb_t *scb;
4651         int  ret;
4652         int  time;
4653         int  done;
4654         dma_addr_t command_dma;
4655
4656         /* Create a usuable SCB */
4657         scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4658         if (scb) {
4659             memset(scb, 0, sizeof(ips_scb_t));
4660             ips_init_scb(ha, scb);
4661             scb->scb_busaddr = command_dma;
4662
4663             scb->timeout = ips_cmd_timeout;
4664             scb->cdb[0] = IPS_CMD_FLUSH;
4665
4666             scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4667             scb->cmd.flush_cache.command_id = IPS_MAX_CMDS;   /* Use an ID that would otherwise not exist */
4668             scb->cmd.flush_cache.state = IPS_NORM_STATE;
4669             scb->cmd.flush_cache.reserved = 0;
4670             scb->cmd.flush_cache.reserved2 = 0;
4671             scb->cmd.flush_cache.reserved3 = 0;
4672             scb->cmd.flush_cache.reserved4 = 0;
4673
4674             ret = ips_send_cmd(ha, scb);                      /* Send the Flush Command */
4675
4676             if (ret == IPS_SUCCESS) {
4677                 time = 60 * IPS_ONE_SEC;                      /* Max Wait time is 60 seconds */
4678                 done = 0;
4679
4680                 while ((time > 0) && (!done)) {
4681                    done = ips_poll_for_flush_complete(ha);
4682                    /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4683                    udelay(1000);
4684                    time--;
4685                 }
4686         }
4687         }
4688
4689         /* Now RESET and INIT the adapter */
4690         (*ha->func.reset) (ha);
4691
4692         pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4693         return;
4694 }
4695
4696 /****************************************************************************/
4697 /*                                                                          */
4698 /* Routine Name: ips_poll_for_flush_complete                                */
4699 /*                                                                          */
4700 /* Routine Description:                                                     */
4701 /*                                                                          */
4702 /*   Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4703 /*   All other responses are just taken off the queue and ignored           */
4704 /*                                                                          */
4705 /****************************************************************************/
4706 static int
4707 ips_poll_for_flush_complete(ips_ha_t * ha)
4708 {
4709         IPS_STATUS cstatus;
4710
4711         while (TRUE) {
4712             cstatus.value = (*ha->func.statupd) (ha);
4713
4714             if (cstatus.value == 0xffffffff)      /* If No Interrupt to process */
4715                         break;
4716
4717             /* Success is when we see the Flush Command ID */
4718             if (cstatus.fields.command_id == IPS_MAX_CMDS)
4719                 return 1;
4720          }
4721
4722         return 0;
4723 }
4724
4725 /****************************************************************************/
4726 /*                                                                          */
4727 /* Routine Name: ips_enable_int_copperhead                                  */
4728 /*                                                                          */
4729 /* Routine Description:                                                     */
4730 /*   Turn on interrupts                                                     */
4731 /*                                                                          */
4732 /****************************************************************************/
4733 static void
4734 ips_enable_int_copperhead(ips_ha_t * ha)
4735 {
4736         METHOD_TRACE("ips_enable_int_copperhead", 1);
4737
4738         outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4739         inb(ha->io_addr + IPS_REG_HISR);        /*Ensure PCI Posting Completes*/
4740 }
4741
4742 /****************************************************************************/
4743 /*                                                                          */
4744 /* Routine Name: ips_enable_int_copperhead_memio                            */
4745 /*                                                                          */
4746 /* Routine Description:                                                     */
4747 /*   Turn on interrupts                                                     */
4748 /*                                                                          */
4749 /****************************************************************************/
4750 static void
4751 ips_enable_int_copperhead_memio(ips_ha_t * ha)
4752 {
4753         METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4754
4755         writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4756         readb(ha->mem_ptr + IPS_REG_HISR);      /*Ensure PCI Posting Completes*/
4757 }
4758
4759 /****************************************************************************/
4760 /*                                                                          */
4761 /* Routine Name: ips_enable_int_morpheus                                    */
4762 /*                                                                          */
4763 /* Routine Description:                                                     */
4764 /*   Turn on interrupts                                                     */
4765 /*                                                                          */
4766 /****************************************************************************/
4767 static void
4768 ips_enable_int_morpheus(ips_ha_t * ha)
4769 {
4770         uint32_t Oimr;
4771
4772         METHOD_TRACE("ips_enable_int_morpheus", 1);
4773
4774         Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4775         Oimr &= ~0x08;
4776         writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4777         readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4778 }
4779
4780 /****************************************************************************/
4781 /*                                                                          */
4782 /* Routine Name: ips_init_copperhead                                        */
4783 /*                                                                          */
4784 /* Routine Description:                                                     */
4785 /*                                                                          */
4786 /*   Initialize a copperhead controller                                     */
4787 /*                                                                          */
4788 /****************************************************************************/
4789 static int
4790 ips_init_copperhead(ips_ha_t * ha)
4791 {
4792         uint8_t Isr;
4793         uint8_t Cbsp;
4794         uint8_t PostByte[IPS_MAX_POST_BYTES];
4795         uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4796         int i, j;
4797
4798         METHOD_TRACE("ips_init_copperhead", 1);
4799
4800         for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4801                 for (j = 0; j < 45; j++) {
4802                         Isr = inb(ha->io_addr + IPS_REG_HISR);
4803                         if (Isr & IPS_BIT_GHI)
4804                                 break;
4805
4806                         /* Delay for 1 Second */
4807                         MDELAY(IPS_ONE_SEC);
4808                 }
4809
4810                 if (j >= 45)
4811                         /* error occurred */
4812                         return (0);
4813
4814                 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4815                 outb(Isr, ha->io_addr + IPS_REG_HISR);
4816         }
4817
4818         if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4819                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4820                            "reset controller fails (post status %x %x).\n",
4821                            PostByte[0], PostByte[1]);
4822
4823                 return (0);
4824         }
4825
4826         for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4827                 for (j = 0; j < 240; j++) {
4828                         Isr = inb(ha->io_addr + IPS_REG_HISR);
4829                         if (Isr & IPS_BIT_GHI)
4830                                 break;
4831
4832                         /* Delay for 1 Second */
4833                         MDELAY(IPS_ONE_SEC);
4834                 }
4835
4836                 if (j >= 240)
4837                         /* error occurred */
4838                         return (0);
4839
4840                 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4841                 outb(Isr, ha->io_addr + IPS_REG_HISR);
4842         }
4843
4844         for (i = 0; i < 240; i++) {
4845                 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4846
4847                 if ((Cbsp & IPS_BIT_OP) == 0)
4848                         break;
4849
4850                 /* Delay for 1 Second */
4851                 MDELAY(IPS_ONE_SEC);
4852         }
4853
4854         if (i >= 240)
4855                 /* reset failed */
4856                 return (0);
4857
4858         /* setup CCCR */
4859         outl(cpu_to_le32(0x1010), ha->io_addr + IPS_REG_CCCR);
4860
4861         /* Enable busmastering */
4862         outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4863
4864         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4865                 /* fix for anaconda64 */
4866                 outl(0, ha->io_addr + IPS_REG_NDAE);
4867
4868         /* Enable interrupts */
4869         outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4870
4871         return (1);
4872 }
4873
4874 /****************************************************************************/
4875 /*                                                                          */
4876 /* Routine Name: ips_init_copperhead_memio                                  */
4877 /*                                                                          */
4878 /* Routine Description:                                                     */
4879 /*                                                                          */
4880 /*   Initialize a copperhead controller with memory mapped I/O              */
4881 /*                                                                          */
4882 /****************************************************************************/
4883 static int
4884 ips_init_copperhead_memio(ips_ha_t * ha)
4885 {
4886         uint8_t Isr = 0;
4887         uint8_t Cbsp;
4888         uint8_t PostByte[IPS_MAX_POST_BYTES];
4889         uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4890         int i, j;
4891
4892         METHOD_TRACE("ips_init_copperhead_memio", 1);
4893
4894         for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4895                 for (j = 0; j < 45; j++) {
4896                         Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4897                         if (Isr & IPS_BIT_GHI)
4898                                 break;
4899
4900                         /* Delay for 1 Second */
4901                         MDELAY(IPS_ONE_SEC);
4902                 }
4903
4904                 if (j >= 45)
4905                         /* error occurred */
4906                         return (0);
4907
4908                 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4909                 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4910         }
4911
4912         if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4913                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4914                            "reset controller fails (post status %x %x).\n",
4915                            PostByte[0], PostByte[1]);
4916
4917                 return (0);
4918         }
4919
4920         for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4921                 for (j = 0; j < 240; j++) {
4922                         Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4923                         if (Isr & IPS_BIT_GHI)
4924                                 break;
4925
4926                         /* Delay for 1 Second */
4927                         MDELAY(IPS_ONE_SEC);
4928                 }
4929
4930                 if (j >= 240)
4931                         /* error occurred */
4932                         return (0);
4933
4934                 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4935                 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4936         }
4937
4938         for (i = 0; i < 240; i++) {
4939                 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4940
4941                 if ((Cbsp & IPS_BIT_OP) == 0)
4942                         break;
4943
4944                 /* Delay for 1 Second */
4945                 MDELAY(IPS_ONE_SEC);
4946         }
4947
4948         if (i >= 240)
4949                 /* error occurred */
4950                 return (0);
4951
4952         /* setup CCCR */
4953         writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4954
4955         /* Enable busmastering */
4956         writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4957
4958         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4959                 /* fix for anaconda64 */
4960                 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4961
4962         /* Enable interrupts */
4963         writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4964
4965         /* if we get here then everything went OK */
4966         return (1);
4967 }
4968
4969 /****************************************************************************/
4970 /*                                                                          */
4971 /* Routine Name: ips_init_morpheus                                          */
4972 /*                                                                          */
4973 /* Routine Description:                                                     */
4974 /*                                                                          */
4975 /*   Initialize a morpheus controller                                       */
4976 /*                                                                          */
4977 /****************************************************************************/
4978 static int
4979 ips_init_morpheus(ips_ha_t * ha)
4980 {
4981         uint32_t Post;
4982         uint32_t Config;
4983         uint32_t Isr;
4984         uint32_t Oimr;
4985         int i;
4986
4987         METHOD_TRACE("ips_init_morpheus", 1);
4988
4989         /* Wait up to 45 secs for Post */
4990         for (i = 0; i < 45; i++) {
4991                 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4992
4993                 if (Isr & IPS_BIT_I960_MSG0I)
4994                         break;
4995
4996                 /* Delay for 1 Second */
4997                 MDELAY(IPS_ONE_SEC);
4998         }
4999
5000         if (i >= 45) {
5001                 /* error occurred */
5002                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5003                            "timeout waiting for post.\n");
5004
5005                 return (0);
5006         }
5007
5008         Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5009
5010         if (Post == 0x4F00) {   /* If Flashing the Battery PIC         */
5011                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5012                            "Flashing Battery PIC, Please wait ...\n");
5013
5014                 /* Clear the interrupt bit */
5015                 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5016                 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5017
5018                 for (i = 0; i < 120; i++) {     /*    Wait Up to 2 Min. for Completion */
5019                         Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5020                         if (Post != 0x4F00)
5021                                 break;
5022                         /* Delay for 1 Second */
5023                         MDELAY(IPS_ONE_SEC);
5024                 }
5025
5026                 if (i >= 120) {
5027                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
5028                                    "timeout waiting for Battery PIC Flash\n");
5029                         return (0);
5030                 }
5031
5032         }
5033
5034         /* Clear the interrupt bit */
5035         Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5036         writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5037
5038         if (Post < (IPS_GOOD_POST_STATUS << 8)) {
5039                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5040                            "reset controller fails (post status %x).\n", Post);
5041
5042                 return (0);
5043         }
5044
5045         /* Wait up to 240 secs for config bytes */
5046         for (i = 0; i < 240; i++) {
5047                 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5048
5049                 if (Isr & IPS_BIT_I960_MSG1I)
5050                         break;
5051
5052                 /* Delay for 1 Second */
5053                 MDELAY(IPS_ONE_SEC);
5054         }
5055
5056         if (i >= 240) {
5057                 /* error occurred */
5058                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5059                            "timeout waiting for config.\n");
5060
5061                 return (0);
5062         }
5063
5064         Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
5065
5066         /* Clear interrupt bit */
5067         Isr = (uint32_t) IPS_BIT_I960_MSG1I;
5068         writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5069
5070         /* Turn on the interrupts */
5071         Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
5072         Oimr &= ~0x8;
5073         writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
5074
5075         /* if we get here then everything went OK */
5076
5077         /* Since we did a RESET, an EraseStripeLock may be needed */
5078         if (Post == 0xEF10) {
5079                 if ((Config == 0x000F) || (Config == 0x0009))
5080                         ha->requires_esl = 1;
5081         }
5082
5083         return (1);
5084 }
5085
5086 /****************************************************************************/
5087 /*                                                                          */
5088 /* Routine Name: ips_reset_copperhead                                       */
5089 /*                                                                          */
5090 /* Routine Description:                                                     */
5091 /*                                                                          */
5092 /*   Reset the controller                                                   */
5093 /*                                                                          */
5094 /****************************************************************************/
5095 static int
5096 ips_reset_copperhead(ips_ha_t * ha)
5097 {
5098         int reset_counter;
5099
5100         METHOD_TRACE("ips_reset_copperhead", 1);
5101
5102         DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
5103                   ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
5104
5105         reset_counter = 0;
5106
5107         while (reset_counter < 2) {
5108                 reset_counter++;
5109
5110                 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5111
5112                 /* Delay for 1 Second */
5113                 MDELAY(IPS_ONE_SEC);
5114
5115                 outb(0, ha->io_addr + IPS_REG_SCPR);
5116
5117                 /* Delay for 1 Second */
5118                 MDELAY(IPS_ONE_SEC);
5119
5120                 if ((*ha->func.init) (ha))
5121                         break;
5122                 else if (reset_counter >= 2) {
5123
5124                         return (0);
5125                 }
5126         }
5127
5128         return (1);
5129 }
5130
5131 /****************************************************************************/
5132 /*                                                                          */
5133 /* Routine Name: ips_reset_copperhead_memio                                 */
5134 /*                                                                          */
5135 /* Routine Description:                                                     */
5136 /*                                                                          */
5137 /*   Reset the controller                                                   */
5138 /*                                                                          */
5139 /****************************************************************************/
5140 static int
5141 ips_reset_copperhead_memio(ips_ha_t * ha)
5142 {
5143         int reset_counter;
5144
5145         METHOD_TRACE("ips_reset_copperhead_memio", 1);
5146
5147         DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
5148                   ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5149
5150         reset_counter = 0;
5151
5152         while (reset_counter < 2) {
5153                 reset_counter++;
5154
5155                 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5156
5157                 /* Delay for 1 Second */
5158                 MDELAY(IPS_ONE_SEC);
5159
5160                 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5161
5162                 /* Delay for 1 Second */
5163                 MDELAY(IPS_ONE_SEC);
5164
5165                 if ((*ha->func.init) (ha))
5166                         break;
5167                 else if (reset_counter >= 2) {
5168
5169                         return (0);
5170                 }
5171         }
5172
5173         return (1);
5174 }
5175
5176 /****************************************************************************/
5177 /*                                                                          */
5178 /* Routine Name: ips_reset_morpheus                                         */
5179 /*                                                                          */
5180 /* Routine Description:                                                     */
5181 /*                                                                          */
5182 /*   Reset the controller                                                   */
5183 /*                                                                          */
5184 /****************************************************************************/
5185 static int
5186 ips_reset_morpheus(ips_ha_t * ha)
5187 {
5188         int reset_counter;
5189         uint8_t junk;
5190
5191         METHOD_TRACE("ips_reset_morpheus", 1);
5192
5193         DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
5194                   ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5195
5196         reset_counter = 0;
5197
5198         while (reset_counter < 2) {
5199                 reset_counter++;
5200
5201                 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5202
5203                 /* Delay for 5 Seconds */
5204                 MDELAY(5 * IPS_ONE_SEC);
5205
5206                 /* Do a PCI config read to wait for adapter */
5207                 pci_read_config_byte(ha->pcidev, 4, &junk);
5208
5209                 if ((*ha->func.init) (ha))
5210                         break;
5211                 else if (reset_counter >= 2) {
5212
5213                         return (0);
5214                 }
5215         }
5216
5217         return (1);
5218 }
5219
5220 /****************************************************************************/
5221 /*                                                                          */
5222 /* Routine Name: ips_statinit                                               */
5223 /*                                                                          */
5224 /* Routine Description:                                                     */
5225 /*                                                                          */
5226 /*   Initialize the status queues on the controller                         */
5227 /*                                                                          */
5228 /****************************************************************************/
5229 static void
5230 ips_statinit(ips_ha_t * ha)
5231 {
5232         uint32_t phys_status_start;
5233
5234         METHOD_TRACE("ips_statinit", 1);
5235
5236         ha->adapt->p_status_start = ha->adapt->status;
5237         ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5238         ha->adapt->p_status_tail = ha->adapt->status;
5239
5240         phys_status_start = ha->adapt->hw_status_start;
5241         outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQSR);
5242         outl(cpu_to_le32(phys_status_start + IPS_STATUS_Q_SIZE),
5243              ha->io_addr + IPS_REG_SQER);
5244         outl(cpu_to_le32(phys_status_start + IPS_STATUS_SIZE),
5245              ha->io_addr + IPS_REG_SQHR);
5246         outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQTR);
5247
5248         ha->adapt->hw_status_tail = phys_status_start;
5249 }
5250
5251 /****************************************************************************/
5252 /*                                                                          */
5253 /* Routine Name: ips_statinit_memio                                         */
5254 /*                                                                          */
5255 /* Routine Description:                                                     */
5256 /*                                                                          */
5257 /*   Initialize the status queues on the controller                         */
5258 /*                                                                          */
5259 /****************************************************************************/
5260 static void
5261 ips_statinit_memio(ips_ha_t * ha)
5262 {
5263         uint32_t phys_status_start;
5264
5265         METHOD_TRACE("ips_statinit_memio", 1);
5266
5267         ha->adapt->p_status_start = ha->adapt->status;
5268         ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5269         ha->adapt->p_status_tail = ha->adapt->status;
5270
5271         phys_status_start = ha->adapt->hw_status_start;
5272         writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5273         writel(phys_status_start + IPS_STATUS_Q_SIZE,
5274                ha->mem_ptr + IPS_REG_SQER);
5275         writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5276         writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5277
5278         ha->adapt->hw_status_tail = phys_status_start;
5279 }
5280
5281 /****************************************************************************/
5282 /*                                                                          */
5283 /* Routine Name: ips_statupd_copperhead                                     */
5284 /*                                                                          */
5285 /* Routine Description:                                                     */
5286 /*                                                                          */
5287 /*   Remove an element from the status queue                                */
5288 /*                                                                          */
5289 /****************************************************************************/
5290 static uint32_t
5291 ips_statupd_copperhead(ips_ha_t * ha)
5292 {
5293         METHOD_TRACE("ips_statupd_copperhead", 1);
5294
5295         if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5296                 ha->adapt->p_status_tail++;
5297                 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5298         } else {
5299                 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5300                 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5301         }
5302
5303         outl(cpu_to_le32(ha->adapt->hw_status_tail),
5304              ha->io_addr + IPS_REG_SQTR);
5305
5306         return (ha->adapt->p_status_tail->value);
5307 }
5308
5309 /****************************************************************************/
5310 /*                                                                          */
5311 /* Routine Name: ips_statupd_copperhead_memio                               */
5312 /*                                                                          */
5313 /* Routine Description:                                                     */
5314 /*                                                                          */
5315 /*   Remove an element from the status queue                                */
5316 /*                                                                          */
5317 /****************************************************************************/
5318 static uint32_t
5319 ips_statupd_copperhead_memio(ips_ha_t * ha)
5320 {
5321         METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5322
5323         if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5324                 ha->adapt->p_status_tail++;
5325                 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5326         } else {
5327                 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5328                 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5329         }
5330
5331         writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5332
5333         return (ha->adapt->p_status_tail->value);
5334 }
5335
5336 /****************************************************************************/
5337 /*                                                                          */
5338 /* Routine Name: ips_statupd_morpheus                                       */
5339 /*                                                                          */
5340 /* Routine Description:                                                     */
5341 /*                                                                          */
5342 /*   Remove an element from the status queue                                */
5343 /*                                                                          */
5344 /****************************************************************************/
5345 static uint32_t
5346 ips_statupd_morpheus(ips_ha_t * ha)
5347 {
5348         uint32_t val;
5349
5350         METHOD_TRACE("ips_statupd_morpheus", 1);
5351
5352         val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5353
5354         return (val);
5355 }
5356
5357 /****************************************************************************/
5358 /*                                                                          */
5359 /* Routine Name: ips_issue_copperhead                                       */
5360 /*                                                                          */
5361 /* Routine Description:                                                     */
5362 /*                                                                          */
5363 /*   Send a command down to the controller                                  */
5364 /*                                                                          */
5365 /****************************************************************************/
5366 static int
5367 ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5368 {
5369         uint32_t TimeOut;
5370         uint32_t val;
5371
5372         METHOD_TRACE("ips_issue_copperhead", 1);
5373
5374         if (scb->scsi_cmd) {
5375                 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5376                           ips_name,
5377                           ha->host_num,
5378                           scb->cdb[0],
5379                           scb->cmd.basic_io.command_id,
5380                           scb->bus, scb->target_id, scb->lun);
5381         } else {
5382                 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5383                           ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5384         }
5385
5386         TimeOut = 0;
5387
5388         while ((val =
5389                 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5390                 udelay(1000);
5391
5392                 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5393                         if (!(val & IPS_BIT_START_STOP))
5394                                 break;
5395
5396                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
5397                                    "ips_issue val [0x%x].\n", val);
5398                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
5399                                    "ips_issue semaphore chk timeout.\n");
5400
5401                         return (IPS_FAILURE);
5402                 }               /* end if */
5403         }                       /* end while */
5404
5405         outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_CCSAR);
5406         outw(cpu_to_le32(IPS_BIT_START_CMD), ha->io_addr + IPS_REG_CCCR);
5407
5408         return (IPS_SUCCESS);
5409 }
5410
5411 /****************************************************************************/
5412 /*                                                                          */
5413 /* Routine Name: ips_issue_copperhead_memio                                 */
5414 /*                                                                          */
5415 /* Routine Description:                                                     */
5416 /*                                                                          */
5417 /*   Send a command down to the controller                                  */
5418 /*                                                                          */
5419 /****************************************************************************/
5420 static int
5421 ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5422 {
5423         uint32_t TimeOut;
5424         uint32_t val;
5425
5426         METHOD_TRACE("ips_issue_copperhead_memio", 1);
5427
5428         if (scb->scsi_cmd) {
5429                 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5430                           ips_name,
5431                           ha->host_num,
5432                           scb->cdb[0],
5433                           scb->cmd.basic_io.command_id,
5434                           scb->bus, scb->target_id, scb->lun);
5435         } else {
5436                 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5437                           ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5438         }
5439
5440         TimeOut = 0;
5441
5442         while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5443                 udelay(1000);
5444
5445                 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5446                         if (!(val & IPS_BIT_START_STOP))
5447                                 break;
5448
5449                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
5450                                    "ips_issue val [0x%x].\n", val);
5451                         IPS_PRINTK(KERN_WARNING, ha->pcidev,
5452                                    "ips_issue semaphore chk timeout.\n");
5453
5454                         return (IPS_FAILURE);
5455                 }               /* end if */
5456         }                       /* end while */
5457
5458         writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5459         writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5460
5461         return (IPS_SUCCESS);
5462 }
5463
5464 /****************************************************************************/
5465 /*                                                                          */
5466 /* Routine Name: ips_issue_i2o                                              */
5467 /*                                                                          */
5468 /* Routine Description:                                                     */
5469 /*                                                                          */
5470 /*   Send a command down to the controller                                  */
5471 /*                                                                          */
5472 /****************************************************************************/
5473 static int
5474 ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5475 {
5476
5477         METHOD_TRACE("ips_issue_i2o", 1);
5478
5479         if (scb->scsi_cmd) {
5480                 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5481                           ips_name,
5482                           ha->host_num,
5483                           scb->cdb[0],
5484                           scb->cmd.basic_io.command_id,
5485                           scb->bus, scb->target_id, scb->lun);
5486         } else {
5487                 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5488                           ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5489         }
5490
5491         outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_I2O_INMSGQ);
5492
5493         return (IPS_SUCCESS);
5494 }
5495
5496 /****************************************************************************/
5497 /*                                                                          */
5498 /* Routine Name: ips_issue_i2o_memio                                        */
5499 /*                                                                          */
5500 /* Routine Description:                                                     */
5501 /*                                                                          */
5502 /*   Send a command down to the controller                                  */
5503 /*                                                                          */
5504 /****************************************************************************/
5505 static int
5506 ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5507 {
5508
5509         METHOD_TRACE("ips_issue_i2o_memio", 1);
5510
5511         if (scb->scsi_cmd) {
5512                 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5513                           ips_name,
5514                           ha->host_num,
5515                           scb->cdb[0],
5516                           scb->cmd.basic_io.command_id,
5517                           scb->bus, scb->target_id, scb->lun);
5518         } else {
5519                 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5520                           ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5521         }
5522
5523         writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5524
5525         return (IPS_SUCCESS);
5526 }
5527
5528 /****************************************************************************/
5529 /*                                                                          */
5530 /* Routine Name: ips_isintr_copperhead                                      */
5531 /*                                                                          */
5532 /* Routine Description:                                                     */
5533 /*                                                                          */
5534 /*   Test to see if an interrupt is for us                                  */
5535 /*                                                                          */
5536 /****************************************************************************/
5537 static int
5538 ips_isintr_copperhead(ips_ha_t * ha)
5539 {
5540         uint8_t Isr;
5541
5542         METHOD_TRACE("ips_isintr_copperhead", 2);
5543
5544         Isr = inb(ha->io_addr + IPS_REG_HISR);
5545
5546         if (Isr == 0xFF)
5547                 /* ?!?! Nothing really there */
5548                 return (0);
5549
5550         if (Isr & IPS_BIT_SCE)
5551                 return (1);
5552         else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5553                 /* status queue overflow or GHI */
5554                 /* just clear the interrupt */
5555                 outb(Isr, ha->io_addr + IPS_REG_HISR);
5556         }
5557
5558         return (0);
5559 }
5560
5561 /****************************************************************************/
5562 /*                                                                          */
5563 /* Routine Name: ips_isintr_copperhead_memio                                */
5564 /*                                                                          */
5565 /* Routine Description:                                                     */
5566 /*                                                                          */
5567 /*   Test to see if an interrupt is for us                                  */
5568 /*                                                                          */
5569 /****************************************************************************/
5570 static int
5571 ips_isintr_copperhead_memio(ips_ha_t * ha)
5572 {
5573         uint8_t Isr;
5574
5575         METHOD_TRACE("ips_isintr_memio", 2);
5576
5577         Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5578
5579         if (Isr == 0xFF)
5580                 /* ?!?! Nothing really there */
5581                 return (0);
5582
5583         if (Isr & IPS_BIT_SCE)
5584                 return (1);
5585         else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5586                 /* status queue overflow or GHI */
5587                 /* just clear the interrupt */
5588                 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5589         }
5590
5591         return (0);
5592 }
5593
5594 /****************************************************************************/
5595 /*                                                                          */
5596 /* Routine Name: ips_isintr_morpheus                                        */
5597 /*                                                                          */
5598 /* Routine Description:                                                     */
5599 /*                                                                          */
5600 /*   Test to see if an interrupt is for us                                  */
5601 /*                                                                          */
5602 /****************************************************************************/
5603 static int
5604 ips_isintr_morpheus(ips_ha_t * ha)
5605 {
5606         uint32_t Isr;
5607
5608         METHOD_TRACE("ips_isintr_morpheus", 2);
5609
5610         Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5611
5612         if (Isr & IPS_BIT_I2O_OPQI)
5613                 return (1);
5614         else
5615                 return (0);
5616 }
5617
5618 /****************************************************************************/
5619 /*                                                                          */
5620 /* Routine Name: ips_wait                                                   */
5621 /*                                                                          */
5622 /* Routine Description:                                                     */
5623 /*                                                                          */
5624 /*   Wait for a command to complete                                         */
5625 /*                                                                          */
5626 /****************************************************************************/
5627 static int
5628 ips_wait(ips_ha_t * ha, int time, int intr)
5629 {
5630         int ret;
5631         int done;
5632
5633         METHOD_TRACE("ips_wait", 1);
5634
5635         ret = IPS_FAILURE;
5636         done = FALSE;
5637
5638         time *= IPS_ONE_SEC;    /* convert seconds */
5639
5640         while ((time > 0) && (!done)) {
5641                 if (intr == IPS_INTR_ON) {
5642                         if (ha->waitflag == FALSE) {
5643                                 ret = IPS_SUCCESS;
5644                                 done = TRUE;
5645                                 break;
5646                         }
5647                 } else if (intr == IPS_INTR_IORL) {
5648                         if (ha->waitflag == FALSE) {
5649                                 /*
5650                                  * controller generated an interrupt to
5651                                  * acknowledge completion of the command
5652                                  * and ips_intr() has serviced the interrupt.
5653                                  */
5654                                 ret = IPS_SUCCESS;
5655                                 done = TRUE;
5656                                 break;
5657                         }
5658
5659                         /*
5660                          * NOTE: we already have the io_request_lock so
5661                          * even if we get an interrupt it won't get serviced
5662                          * until after we finish.
5663                          */
5664
5665                         (*ha->func.intr) (ha);
5666                 }
5667
5668                 /* This looks like a very evil loop, but it only does this during start-up */
5669                 udelay(1000);
5670                 time--;
5671         }
5672
5673         return (ret);
5674 }
5675
5676 /****************************************************************************/
5677 /*                                                                          */
5678 /* Routine Name: ips_write_driver_status                                    */
5679 /*                                                                          */
5680 /* Routine Description:                                                     */
5681 /*                                                                          */
5682 /*   Write OS/Driver version to Page 5 of the nvram on the controller       */
5683 /*                                                                          */
5684 /****************************************************************************/
5685 static int
5686 ips_write_driver_status(ips_ha_t * ha, int intr)
5687 {
5688         METHOD_TRACE("ips_write_driver_status", 1);
5689
5690         if (!ips_readwrite_page5(ha, FALSE, intr)) {
5691                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5692                            "unable to read NVRAM page 5.\n");
5693
5694                 return (0);
5695         }
5696
5697         /* check to make sure the page has a valid */
5698         /* signature */
5699         if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5700                 DEBUG_VAR(1,
5701                           "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5702                           ips_name, ha->host_num, ha->nvram->signature);
5703                 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5704         }
5705
5706         DEBUG_VAR(2,
5707                   "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5708                   ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5709                   ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5710                   ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5711                   ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5712                   ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5713                   ha->nvram->bios_low[3]);
5714
5715         ips_get_bios_version(ha, intr);
5716
5717         /* change values (as needed) */
5718         ha->nvram->operating_system = IPS_OS_LINUX;
5719         ha->nvram->adapter_type = ha->ad_type;
5720         strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5721         strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5722         strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5723         strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5724
5725         ha->nvram->versioning = 0;      /* Indicate the Driver Does Not Support Versioning */
5726
5727         /* now update the page */
5728         if (!ips_readwrite_page5(ha, TRUE, intr)) {
5729                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5730                            "unable to write NVRAM page 5.\n");
5731
5732                 return (0);
5733         }
5734
5735         /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5736         ha->slot_num = ha->nvram->adapter_slot;
5737
5738         return (1);
5739 }
5740
5741 /****************************************************************************/
5742 /*                                                                          */
5743 /* Routine Name: ips_read_adapter_status                                    */
5744 /*                                                                          */
5745 /* Routine Description:                                                     */
5746 /*                                                                          */
5747 /*   Do an Inquiry command to the adapter                                   */
5748 /*                                                                          */
5749 /****************************************************************************/
5750 static int
5751 ips_read_adapter_status(ips_ha_t * ha, int intr)
5752 {
5753         ips_scb_t *scb;
5754         int ret;
5755
5756         METHOD_TRACE("ips_read_adapter_status", 1);
5757
5758         scb = &ha->scbs[ha->max_cmds - 1];
5759
5760         ips_init_scb(ha, scb);
5761
5762         scb->timeout = ips_cmd_timeout;
5763         scb->cdb[0] = IPS_CMD_ENQUIRY;
5764
5765         scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5766         scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5767         scb->cmd.basic_io.sg_count = 0;
5768         scb->cmd.basic_io.lba = 0;
5769         scb->cmd.basic_io.sector_count = 0;
5770         scb->cmd.basic_io.log_drv = 0;
5771         scb->data_len = sizeof (*ha->enq);
5772         scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5773
5774         /* send command */
5775         if (((ret =
5776               ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5777             || (ret == IPS_SUCCESS_IMM)
5778             || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5779                 return (0);
5780
5781         return (1);
5782 }
5783
5784 /****************************************************************************/
5785 /*                                                                          */
5786 /* Routine Name: ips_read_subsystem_parameters                              */
5787 /*                                                                          */
5788 /* Routine Description:                                                     */
5789 /*                                                                          */
5790 /*   Read subsystem parameters from the adapter                             */
5791 /*                                                                          */
5792 /****************************************************************************/
5793 static int
5794 ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5795 {
5796         ips_scb_t *scb;
5797         int ret;
5798
5799         METHOD_TRACE("ips_read_subsystem_parameters", 1);
5800
5801         scb = &ha->scbs[ha->max_cmds - 1];
5802
5803         ips_init_scb(ha, scb);
5804
5805         scb->timeout = ips_cmd_timeout;
5806         scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5807
5808         scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5809         scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5810         scb->cmd.basic_io.sg_count = 0;
5811         scb->cmd.basic_io.lba = 0;
5812         scb->cmd.basic_io.sector_count = 0;
5813         scb->cmd.basic_io.log_drv = 0;
5814         scb->data_len = sizeof (*ha->subsys);
5815         scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5816
5817         /* send command */
5818         if (((ret =
5819               ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5820             || (ret == IPS_SUCCESS_IMM)
5821             || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5822                 return (0);
5823
5824         memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5825         return (1);
5826 }
5827
5828 /****************************************************************************/
5829 /*                                                                          */
5830 /* Routine Name: ips_read_config                                            */
5831 /*                                                                          */
5832 /* Routine Description:                                                     */
5833 /*                                                                          */
5834 /*   Read the configuration on the adapter                                  */
5835 /*                                                                          */
5836 /****************************************************************************/
5837 static int
5838 ips_read_config(ips_ha_t * ha, int intr)
5839 {
5840         ips_scb_t *scb;
5841         int i;
5842         int ret;
5843
5844         METHOD_TRACE("ips_read_config", 1);
5845
5846         /* set defaults for initiator IDs */
5847         for (i = 0; i < 4; i++)
5848                 ha->conf->init_id[i] = 7;
5849
5850         scb = &ha->scbs[ha->max_cmds - 1];
5851
5852         ips_init_scb(ha, scb);
5853
5854         scb->timeout = ips_cmd_timeout;
5855         scb->cdb[0] = IPS_CMD_READ_CONF;
5856
5857         scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5858         scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5859         scb->data_len = sizeof (*ha->conf);
5860         scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5861
5862         /* send command */
5863         if (((ret =
5864               ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5865             || (ret == IPS_SUCCESS_IMM)
5866             || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5867
5868                 memset(ha->conf, 0, sizeof (IPS_CONF));
5869
5870                 /* reset initiator IDs */
5871                 for (i = 0; i < 4; i++)
5872                         ha->conf->init_id[i] = 7;
5873
5874                 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5875                 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5876                     IPS_CMD_CMPLT_WERROR)
5877                         return (1);
5878
5879                 return (0);
5880         }
5881
5882         memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5883         return (1);
5884 }
5885
5886 /****************************************************************************/
5887 /*                                                                          */
5888 /* Routine Name: ips_readwrite_page5                                        */
5889 /*                                                                          */
5890 /* Routine Description:                                                     */
5891 /*                                                                          */
5892 /*   Read nvram page 5 from the adapter                                     */
5893 /*                                                                          */
5894 /****************************************************************************/
5895 static int
5896 ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5897 {
5898         ips_scb_t *scb;
5899         int ret;
5900
5901         METHOD_TRACE("ips_readwrite_page5", 1);
5902
5903         scb = &ha->scbs[ha->max_cmds - 1];
5904
5905         ips_init_scb(ha, scb);
5906
5907         scb->timeout = ips_cmd_timeout;
5908         scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5909
5910         scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5911         scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5912         scb->cmd.nvram.page = 5;
5913         scb->cmd.nvram.write = write;
5914         scb->cmd.nvram.reserved = 0;
5915         scb->cmd.nvram.reserved2 = 0;
5916         scb->data_len = sizeof (*ha->nvram);
5917         scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5918         if (write)
5919                 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
5920
5921         /* issue the command */
5922         if (((ret =
5923               ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5924             || (ret == IPS_SUCCESS_IMM)
5925             || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5926
5927                 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5928
5929                 return (0);
5930         }
5931         if (!write)
5932                 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5933         return (1);
5934 }
5935
5936 /****************************************************************************/
5937 /*                                                                          */
5938 /* Routine Name: ips_clear_adapter                                          */
5939 /*                                                                          */
5940 /* Routine Description:                                                     */
5941 /*                                                                          */
5942 /*   Clear the stripe lock tables                                           */
5943 /*                                                                          */
5944 /****************************************************************************/
5945 static int
5946 ips_clear_adapter(ips_ha_t * ha, int intr)
5947 {
5948         ips_scb_t *scb;
5949         int ret;
5950
5951         METHOD_TRACE("ips_clear_adapter", 1);
5952
5953         scb = &ha->scbs[ha->max_cmds - 1];
5954
5955         ips_init_scb(ha, scb);
5956
5957         scb->timeout = ips_reset_timeout;
5958         scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5959
5960         scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5961         scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5962         scb->cmd.config_sync.channel = 0;
5963         scb->cmd.config_sync.source_target = IPS_POCL;
5964         scb->cmd.config_sync.reserved = 0;
5965         scb->cmd.config_sync.reserved2 = 0;
5966         scb->cmd.config_sync.reserved3 = 0;
5967
5968         /* issue command */
5969         if (((ret =
5970               ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5971             || (ret == IPS_SUCCESS_IMM)
5972             || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5973                 return (0);
5974
5975         /* send unlock stripe command */
5976         ips_init_scb(ha, scb);
5977
5978         scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5979         scb->timeout = ips_reset_timeout;
5980
5981         scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5982         scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5983         scb->cmd.unlock_stripe.log_drv = 0;
5984         scb->cmd.unlock_stripe.control = IPS_CSL;
5985         scb->cmd.unlock_stripe.reserved = 0;
5986         scb->cmd.unlock_stripe.reserved2 = 0;
5987         scb->cmd.unlock_stripe.reserved3 = 0;
5988
5989         /* issue command */
5990         if (((ret =
5991               ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5992             || (ret == IPS_SUCCESS_IMM)
5993             || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5994                 return (0);
5995
5996         return (1);
5997 }
5998
5999 /****************************************************************************/
6000 /*                                                                          */
6001 /* Routine Name: ips_ffdc_reset                                             */
6002 /*                                                                          */
6003 /* Routine Description:                                                     */
6004 /*                                                                          */
6005 /*   FFDC: write reset info                                                 */
6006 /*                                                                          */
6007 /****************************************************************************/
6008 static void
6009 ips_ffdc_reset(ips_ha_t * ha, int intr)
6010 {
6011         ips_scb_t *scb;
6012
6013         METHOD_TRACE("ips_ffdc_reset", 1);
6014
6015         scb = &ha->scbs[ha->max_cmds - 1];
6016
6017         ips_init_scb(ha, scb);
6018
6019         scb->timeout = ips_cmd_timeout;
6020         scb->cdb[0] = IPS_CMD_FFDC;
6021         scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6022         scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6023         scb->cmd.ffdc.reset_count = ha->reset_count;
6024         scb->cmd.ffdc.reset_type = 0x80;
6025
6026         /* convert time to what the card wants */
6027         ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6028
6029         /* issue command */
6030         ips_send_wait(ha, scb, ips_cmd_timeout, intr);
6031 }
6032
6033 /****************************************************************************/
6034 /*                                                                          */
6035 /* Routine Name: ips_ffdc_time                                              */
6036 /*                                                                          */
6037 /* Routine Description:                                                     */
6038 /*                                                                          */
6039 /*   FFDC: write time info                                                  */
6040 /*                                                                          */
6041 /****************************************************************************/
6042 static void
6043 ips_ffdc_time(ips_ha_t * ha)
6044 {
6045         ips_scb_t *scb;
6046
6047         METHOD_TRACE("ips_ffdc_time", 1);
6048
6049         DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
6050
6051         scb = &ha->scbs[ha->max_cmds - 1];
6052
6053         ips_init_scb(ha, scb);
6054
6055         scb->timeout = ips_cmd_timeout;
6056         scb->cdb[0] = IPS_CMD_FFDC;
6057         scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6058         scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6059         scb->cmd.ffdc.reset_count = 0;
6060         scb->cmd.ffdc.reset_type = 0;
6061
6062         /* convert time to what the card wants */
6063         ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6064
6065         /* issue command */
6066         ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
6067 }
6068
6069 /****************************************************************************/
6070 /*                                                                          */
6071 /* Routine Name: ips_fix_ffdc_time                                          */
6072 /*                                                                          */
6073 /* Routine Description:                                                     */
6074 /*   Adjust time_t to what the card wants                                   */
6075 /*                                                                          */
6076 /****************************************************************************/
6077 static void
6078 ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time)
6079 {
6080         long days;
6081         long rem;
6082         int i;
6083         int year;
6084         int yleap;
6085         int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR };
6086         int month_lengths[12][2] = { {31, 31},
6087         {28, 29},
6088         {31, 31},
6089         {30, 30},
6090         {31, 31},
6091         {30, 30},
6092         {31, 31},
6093         {31, 31},
6094         {30, 30},
6095         {31, 31},
6096         {30, 30},
6097         {31, 31}
6098         };
6099
6100         METHOD_TRACE("ips_fix_ffdc_time", 1);
6101
6102         days = current_time / IPS_SECS_DAY;
6103         rem = current_time % IPS_SECS_DAY;
6104
6105         scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR);
6106         rem = rem % IPS_SECS_HOUR;
6107         scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN);
6108         scb->cmd.ffdc.second = (rem % IPS_SECS_MIN);
6109
6110         year = IPS_EPOCH_YEAR;
6111         while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) {
6112                 int newy;
6113
6114                 newy = year + (days / IPS_DAYS_NORMAL_YEAR);
6115                 if (days < 0)
6116                         --newy;
6117                 days -= (newy - year) * IPS_DAYS_NORMAL_YEAR +
6118                     IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) -
6119                     IPS_NUM_LEAP_YEARS_THROUGH(year - 1);
6120                 year = newy;
6121         }
6122
6123         scb->cmd.ffdc.yearH = year / 100;
6124         scb->cmd.ffdc.yearL = year % 100;
6125
6126         for (i = 0; days >= month_lengths[i][yleap]; ++i)
6127                 days -= month_lengths[i][yleap];
6128
6129         scb->cmd.ffdc.month = i + 1;
6130         scb->cmd.ffdc.day = days + 1;
6131 }
6132
6133 /****************************************************************************
6134  * BIOS Flash Routines                                                      *
6135  ****************************************************************************/
6136
6137 /****************************************************************************/
6138 /*                                                                          */
6139 /* Routine Name: ips_erase_bios                                             */
6140 /*                                                                          */
6141 /* Routine Description:                                                     */
6142 /*   Erase the BIOS on the adapter                                          */
6143 /*                                                                          */
6144 /****************************************************************************/
6145 static int
6146 ips_erase_bios(ips_ha_t * ha)
6147 {
6148         int timeout;
6149         uint8_t status = 0;
6150
6151         METHOD_TRACE("ips_erase_bios", 1);
6152
6153         status = 0;
6154
6155         /* Clear the status register */
6156         outl(0, ha->io_addr + IPS_REG_FLAP);
6157         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6158                 udelay(25);     /* 25 us */
6159
6160         outb(0x50, ha->io_addr + IPS_REG_FLDP);
6161         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6162                 udelay(25);     /* 25 us */
6163
6164         /* Erase Setup */
6165         outb(0x20, ha->io_addr + IPS_REG_FLDP);
6166         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6167                 udelay(25);     /* 25 us */
6168
6169         /* Erase Confirm */
6170         outb(0xD0, ha->io_addr + IPS_REG_FLDP);
6171         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6172                 udelay(25);     /* 25 us */
6173
6174         /* Erase Status */
6175         outb(0x70, ha->io_addr + IPS_REG_FLDP);
6176         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6177                 udelay(25);     /* 25 us */
6178
6179         timeout = 80000;        /* 80 seconds */
6180
6181         while (timeout > 0) {
6182                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6183                         outl(0, ha->io_addr + IPS_REG_FLAP);
6184                         udelay(25);     /* 25 us */
6185                 }
6186
6187                 status = inb(ha->io_addr + IPS_REG_FLDP);
6188
6189                 if (status & 0x80)
6190                         break;
6191
6192                 MDELAY(1);
6193                 timeout--;
6194         }
6195
6196         /* check for timeout */
6197         if (timeout <= 0) {
6198                 /* timeout */
6199
6200                 /* try to suspend the erase */
6201                 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
6202                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6203                         udelay(25);     /* 25 us */
6204
6205                 /* wait for 10 seconds */
6206                 timeout = 10000;
6207                 while (timeout > 0) {
6208                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6209                                 outl(0, ha->io_addr + IPS_REG_FLAP);
6210                                 udelay(25);     /* 25 us */
6211                         }
6212
6213                         status = inb(ha->io_addr + IPS_REG_FLDP);
6214
6215                         if (status & 0xC0)
6216                                 break;
6217
6218                         MDELAY(1);
6219                         timeout--;
6220                 }
6221
6222                 return (1);
6223         }
6224
6225         /* check for valid VPP */
6226         if (status & 0x08)
6227                 /* VPP failure */
6228                 return (1);
6229
6230         /* check for successful flash */
6231         if (status & 0x30)
6232                 /* sequence error */
6233                 return (1);
6234
6235         /* Otherwise, we were successful */
6236         /* clear status */
6237         outb(0x50, ha->io_addr + IPS_REG_FLDP);
6238         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6239                 udelay(25);     /* 25 us */
6240
6241         /* enable reads */
6242         outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6243         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6244                 udelay(25);     /* 25 us */
6245
6246         return (0);
6247 }
6248
6249 /****************************************************************************/
6250 /*                                                                          */
6251 /* Routine Name: ips_erase_bios_memio                                       */
6252 /*                                                                          */
6253 /* Routine Description:                                                     */
6254 /*   Erase the BIOS on the adapter                                          */
6255 /*                                                                          */
6256 /****************************************************************************/
6257 static int
6258 ips_erase_bios_memio(ips_ha_t * ha)
6259 {
6260         int timeout;
6261         uint8_t status;
6262
6263         METHOD_TRACE("ips_erase_bios_memio", 1);
6264
6265         status = 0;
6266
6267         /* Clear the status register */
6268         writel(0, ha->mem_ptr + IPS_REG_FLAP);
6269         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6270                 udelay(25);     /* 25 us */
6271
6272         writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6273         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6274                 udelay(25);     /* 25 us */
6275
6276         /* Erase Setup */
6277         writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
6278         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6279                 udelay(25);     /* 25 us */
6280
6281         /* Erase Confirm */
6282         writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
6283         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6284                 udelay(25);     /* 25 us */
6285
6286         /* Erase Status */
6287         writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
6288         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6289                 udelay(25);     /* 25 us */
6290
6291         timeout = 80000;        /* 80 seconds */
6292
6293         while (timeout > 0) {
6294                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6295                         writel(0, ha->mem_ptr + IPS_REG_FLAP);
6296                         udelay(25);     /* 25 us */
6297                 }
6298
6299                 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6300
6301                 if (status & 0x80)
6302                         break;
6303
6304                 MDELAY(1);
6305                 timeout--;
6306         }
6307
6308         /* check for timeout */
6309         if (timeout <= 0) {
6310                 /* timeout */
6311
6312                 /* try to suspend the erase */
6313                 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
6314                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6315                         udelay(25);     /* 25 us */
6316
6317                 /* wait for 10 seconds */
6318                 timeout = 10000;
6319                 while (timeout > 0) {
6320                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6321                                 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6322                                 udelay(25);     /* 25 us */
6323                         }
6324
6325                         status = readb(ha->mem_ptr + IPS_REG_FLDP);
6326
6327                         if (status & 0xC0)
6328                                 break;
6329
6330                         MDELAY(1);
6331                         timeout--;
6332                 }
6333
6334                 return (1);
6335         }
6336
6337         /* check for valid VPP */
6338         if (status & 0x08)
6339                 /* VPP failure */
6340                 return (1);
6341
6342         /* check for successful flash */
6343         if (status & 0x30)
6344                 /* sequence error */
6345                 return (1);
6346
6347         /* Otherwise, we were successful */
6348         /* clear status */
6349         writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6350         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6351                 udelay(25);     /* 25 us */
6352
6353         /* enable reads */
6354         writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6355         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6356                 udelay(25);     /* 25 us */
6357
6358         return (0);
6359 }
6360
6361 /****************************************************************************/
6362 /*                                                                          */
6363 /* Routine Name: ips_program_bios                                           */
6364 /*                                                                          */
6365 /* Routine Description:                                                     */
6366 /*   Program the BIOS on the adapter                                        */
6367 /*                                                                          */
6368 /****************************************************************************/
6369 static int
6370 ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6371                  uint32_t offset)
6372 {
6373         int i;
6374         int timeout;
6375         uint8_t status = 0;
6376
6377         METHOD_TRACE("ips_program_bios", 1);
6378
6379         status = 0;
6380
6381         for (i = 0; i < buffersize; i++) {
6382                 /* write a byte */
6383                 outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP);
6384                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6385                         udelay(25);     /* 25 us */
6386
6387                 outb(0x40, ha->io_addr + IPS_REG_FLDP);
6388                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6389                         udelay(25);     /* 25 us */
6390
6391                 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
6392                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6393                         udelay(25);     /* 25 us */
6394
6395                 /* wait up to one second */
6396                 timeout = 1000;
6397                 while (timeout > 0) {
6398                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6399                                 outl(0, ha->io_addr + IPS_REG_FLAP);
6400                                 udelay(25);     /* 25 us */
6401                         }
6402
6403                         status = inb(ha->io_addr + IPS_REG_FLDP);
6404
6405                         if (status & 0x80)
6406                                 break;
6407
6408                         MDELAY(1);
6409                         timeout--;
6410                 }
6411
6412                 if (timeout == 0) {
6413                         /* timeout error */
6414                         outl(0, ha->io_addr + IPS_REG_FLAP);
6415                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6416                                 udelay(25);     /* 25 us */
6417
6418                         outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6419                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6420                                 udelay(25);     /* 25 us */
6421
6422                         return (1);
6423                 }
6424
6425                 /* check the status */
6426                 if (status & 0x18) {
6427                         /* programming error */
6428                         outl(0, ha->io_addr + IPS_REG_FLAP);
6429                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6430                                 udelay(25);     /* 25 us */
6431
6432                         outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6433                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6434                                 udelay(25);     /* 25 us */
6435
6436                         return (1);
6437                 }
6438         }                       /* end for */
6439
6440         /* Enable reading */
6441         outl(0, ha->io_addr + IPS_REG_FLAP);
6442         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6443                 udelay(25);     /* 25 us */
6444
6445         outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6446         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6447                 udelay(25);     /* 25 us */
6448
6449         return (0);
6450 }
6451
6452 /****************************************************************************/
6453 /*                                                                          */
6454 /* Routine Name: ips_program_bios_memio                                     */
6455 /*                                                                          */
6456 /* Routine Description:                                                     */
6457 /*   Program the BIOS on the adapter                                        */
6458 /*                                                                          */
6459 /****************************************************************************/
6460 static int
6461 ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6462                        uint32_t offset)
6463 {
6464         int i;
6465         int timeout;
6466         uint8_t status = 0;
6467
6468         METHOD_TRACE("ips_program_bios_memio", 1);
6469
6470         status = 0;
6471
6472         for (i = 0; i < buffersize; i++) {
6473                 /* write a byte */
6474                 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6475                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6476                         udelay(25);     /* 25 us */
6477
6478                 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
6479                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6480                         udelay(25);     /* 25 us */
6481
6482                 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
6483                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6484                         udelay(25);     /* 25 us */
6485
6486                 /* wait up to one second */
6487                 timeout = 1000;
6488                 while (timeout > 0) {
6489                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6490                                 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6491                                 udelay(25);     /* 25 us */
6492                         }
6493
6494                         status = readb(ha->mem_ptr + IPS_REG_FLDP);
6495
6496                         if (status & 0x80)
6497                                 break;
6498
6499                         MDELAY(1);
6500                         timeout--;
6501                 }
6502
6503                 if (timeout == 0) {
6504                         /* timeout error */
6505                         writel(0, ha->mem_ptr + IPS_REG_FLAP);
6506                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6507                                 udelay(25);     /* 25 us */
6508
6509                         writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6510                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6511                                 udelay(25);     /* 25 us */
6512
6513                         return (1);
6514                 }
6515
6516                 /* check the status */
6517                 if (status & 0x18) {
6518                         /* programming error */
6519                         writel(0, ha->mem_ptr + IPS_REG_FLAP);
6520                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6521                                 udelay(25);     /* 25 us */
6522
6523                         writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6524                         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6525                                 udelay(25);     /* 25 us */
6526
6527                         return (1);
6528                 }
6529         }                       /* end for */
6530
6531         /* Enable reading */
6532         writel(0, ha->mem_ptr + IPS_REG_FLAP);
6533         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6534                 udelay(25);     /* 25 us */
6535
6536         writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6537         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6538                 udelay(25);     /* 25 us */
6539
6540         return (0);
6541 }
6542
6543 /****************************************************************************/
6544 /*                                                                          */
6545 /* Routine Name: ips_verify_bios                                            */
6546 /*                                                                          */
6547 /* Routine Description:                                                     */
6548 /*   Verify the BIOS on the adapter                                         */
6549 /*                                                                          */
6550 /****************************************************************************/
6551 static int
6552 ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6553                 uint32_t offset)
6554 {
6555         uint8_t checksum;
6556         int i;
6557
6558         METHOD_TRACE("ips_verify_bios", 1);
6559
6560         /* test 1st byte */
6561         outl(0, ha->io_addr + IPS_REG_FLAP);
6562         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6563                 udelay(25);     /* 25 us */
6564
6565         if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6566                 return (1);
6567
6568         outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP);
6569         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6570                 udelay(25);     /* 25 us */
6571         if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6572                 return (1);
6573
6574         checksum = 0xff;
6575         for (i = 2; i < buffersize; i++) {
6576
6577                 outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP);
6578                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6579                         udelay(25);     /* 25 us */
6580
6581                 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6582         }
6583
6584         if (checksum != 0)
6585                 /* failure */
6586                 return (1);
6587         else
6588                 /* success */
6589                 return (0);
6590 }
6591
6592 /****************************************************************************/
6593 /*                                                                          */
6594 /* Routine Name: ips_verify_bios_memio                                      */
6595 /*                                                                          */
6596 /* Routine Description:                                                     */
6597 /*   Verify the BIOS on the adapter                                         */
6598 /*                                                                          */
6599 /****************************************************************************/
6600 static int
6601 ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6602                       uint32_t offset)
6603 {
6604         uint8_t checksum;
6605         int i;
6606
6607         METHOD_TRACE("ips_verify_bios_memio", 1);
6608
6609         /* test 1st byte */
6610         writel(0, ha->mem_ptr + IPS_REG_FLAP);
6611         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6612                 udelay(25);     /* 25 us */
6613
6614         if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6615                 return (1);
6616
6617         writel(1, ha->mem_ptr + IPS_REG_FLAP);
6618         if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6619                 udelay(25);     /* 25 us */
6620         if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6621                 return (1);
6622
6623         checksum = 0xff;
6624         for (i = 2; i < buffersize; i++) {
6625
6626                 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6627                 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6628                         udelay(25);     /* 25 us */
6629
6630                 checksum =
6631                     (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6632         }
6633
6634         if (checksum != 0)
6635                 /* failure */
6636                 return (1);
6637         else
6638                 /* success */
6639                 return (0);
6640 }
6641
6642 /****************************************************************************/
6643 /*                                                                          */
6644 /* Routine Name: ips_abort_init                                             */
6645 /*                                                                          */
6646 /* Routine Description:                                                     */
6647 /*   cleanup routine for a failed adapter initialization                    */
6648 /****************************************************************************/
6649 static int
6650 ips_abort_init(ips_ha_t * ha, int index)
6651 {
6652         ha->active = 0;
6653         ips_free(ha);
6654         ips_ha[index] = NULL;
6655         ips_sh[index] = NULL;
6656         return -1;
6657 }
6658
6659 /****************************************************************************/
6660 /*                                                                          */
6661 /* Routine Name: ips_shift_controllers                                      */
6662 /*                                                                          */
6663 /* Routine Description:                                                     */
6664 /*   helper function for ordering adapters                                  */
6665 /****************************************************************************/
6666 static void
6667 ips_shift_controllers(int lowindex, int highindex)
6668 {
6669         ips_ha_t *ha_sav = ips_ha[highindex];
6670         struct Scsi_Host *sh_sav = ips_sh[highindex];
6671         int i;
6672
6673         for (i = highindex; i > lowindex; i--) {
6674                 ips_ha[i] = ips_ha[i - 1];
6675                 ips_sh[i] = ips_sh[i - 1];
6676                 ips_ha[i]->host_num = i;
6677         }
6678         ha_sav->host_num = lowindex;
6679         ips_ha[lowindex] = ha_sav;
6680         ips_sh[lowindex] = sh_sav;
6681 }
6682
6683 /****************************************************************************/
6684 /*                                                                          */
6685 /* Routine Name: ips_order_controllers                                      */
6686 /*                                                                          */
6687 /* Routine Description:                                                     */
6688 /*   place controllers is the "proper" boot order                           */
6689 /****************************************************************************/
6690 static void
6691 ips_order_controllers(void)
6692 {
6693         int i, j, tmp, position = 0;
6694         IPS_NVRAM_P5 *nvram;
6695         if (!ips_ha[0])
6696                 return;
6697         nvram = ips_ha[0]->nvram;
6698
6699         if (nvram->adapter_order[0]) {
6700                 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6701                         for (j = position; j < ips_num_controllers; j++) {
6702                                 switch (ips_ha[j]->ad_type) {
6703                                 case IPS_ADTYPE_SERVERAID6M:
6704                                 case IPS_ADTYPE_SERVERAID7M:
6705                                         if (nvram->adapter_order[i] == 'M') {
6706                                                 ips_shift_controllers(position,
6707                                                                       j);
6708                                                 position++;
6709                                         }
6710                                         break;
6711                                 case IPS_ADTYPE_SERVERAID4L:
6712                                 case IPS_ADTYPE_SERVERAID4M:
6713                                 case IPS_ADTYPE_SERVERAID4MX:
6714                                 case IPS_ADTYPE_SERVERAID4LX:
6715                                         if (nvram->adapter_order[i] == 'N') {
6716                                                 ips_shift_controllers(position,
6717                                                                       j);
6718                                                 position++;
6719                                         }
6720                                         break;
6721                                 case IPS_ADTYPE_SERVERAID6I:
6722                                 case IPS_ADTYPE_SERVERAID5I2:
6723                                 case IPS_ADTYPE_SERVERAID5I1:
6724                                 case IPS_ADTYPE_SERVERAID7k:
6725                                         if (nvram->adapter_order[i] == 'S') {
6726                                                 ips_shift_controllers(position,
6727                                                                       j);
6728                                                 position++;
6729                                         }
6730                                         break;
6731                                 case IPS_ADTYPE_SERVERAID:
6732                                 case IPS_ADTYPE_SERVERAID2:
6733                                 case IPS_ADTYPE_NAVAJO:
6734                                 case IPS_ADTYPE_KIOWA:
6735                                 case IPS_ADTYPE_SERVERAID3L:
6736                                 case IPS_ADTYPE_SERVERAID3:
6737                                 case IPS_ADTYPE_SERVERAID4H:
6738                                         if (nvram->adapter_order[i] == 'A') {
6739                                                 ips_shift_controllers(position,
6740                                                                       j);
6741                                                 position++;
6742                                         }
6743                                         break;
6744                                 default:
6745                                         break;
6746                                 }
6747                         }
6748                 }
6749                 /* if adapter_order[0], then ordering is complete */
6750                 return;
6751         }
6752         /* old bios, use older ordering */
6753         tmp = 0;
6754         for (i = position; i < ips_num_controllers; i++) {
6755                 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6756                     ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6757                         ips_shift_controllers(position, i);
6758                         position++;
6759                         tmp = 1;
6760                 }
6761         }
6762         /* if there were no 5I cards, then don't do any extra ordering */
6763         if (!tmp)
6764                 return;
6765         for (i = position; i < ips_num_controllers; i++) {
6766                 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6767                     ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6768                     ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6769                     ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6770                         ips_shift_controllers(position, i);
6771                         position++;
6772                 }
6773         }
6774
6775         return;
6776 }
6777
6778 /****************************************************************************/
6779 /*                                                                          */
6780 /* Routine Name: ips_register_scsi                                          */
6781 /*                                                                          */
6782 /* Routine Description:                                                     */
6783 /*   perform any registration and setup with the scsi layer                 */
6784 /****************************************************************************/
6785 static int
6786 ips_register_scsi(int index)
6787 {
6788         struct Scsi_Host *sh;
6789         ips_ha_t *ha, *oldha = ips_ha[index];
6790         sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6791         if (!sh) {
6792                 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6793                            "Unable to register controller with SCSI subsystem\n");
6794                 return -1;
6795         }
6796         ha = IPS_HA(sh);
6797         memcpy(ha, oldha, sizeof (ips_ha_t));
6798         free_irq(oldha->pcidev->irq, oldha);
6799         /* Install the interrupt handler with the new ha */
6800         if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
6801                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6802                            "Unable to install interrupt handler\n");
6803                 goto err_out_sh;
6804         }
6805
6806         kfree(oldha);
6807
6808         /* Store away needed values for later use */
6809         sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
6810         sh->sg_tablesize = sh->hostt->sg_tablesize;
6811         sh->can_queue = sh->hostt->can_queue;
6812         sh->cmd_per_lun = sh->hostt->cmd_per_lun;
6813         sh->use_clustering = sh->hostt->use_clustering;
6814         sh->max_sectors = 128;
6815
6816         sh->max_id = ha->ntargets;
6817         sh->max_lun = ha->nlun;
6818         sh->max_channel = ha->nbus - 1;
6819         sh->can_queue = ha->max_cmds - 1;
6820
6821         if (scsi_add_host(sh, &ha->pcidev->dev))
6822                 goto err_out;
6823
6824         ips_sh[index] = sh;
6825         ips_ha[index] = ha;
6826
6827         scsi_scan_host(sh);
6828
6829         return 0;
6830
6831 err_out:
6832         free_irq(ha->pcidev->irq, ha);
6833 err_out_sh:
6834         scsi_host_put(sh);
6835         return -1;
6836 }
6837
6838 /*---------------------------------------------------------------------------*/
6839 /*   Routine Name: ips_remove_device                                         */
6840 /*                                                                           */
6841 /*   Routine Description:                                                    */
6842 /*     Remove one Adapter ( Hot Plugging )                                   */
6843 /*---------------------------------------------------------------------------*/
6844 static void __devexit
6845 ips_remove_device(struct pci_dev *pci_dev)
6846 {
6847         struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
6848
6849         pci_set_drvdata(pci_dev, NULL);
6850
6851         ips_release(sh);
6852
6853         pci_release_regions(pci_dev);
6854         pci_disable_device(pci_dev);
6855 }
6856
6857 /****************************************************************************/
6858 /*                                                                          */
6859 /* Routine Name: ips_module_init                                            */
6860 /*                                                                          */
6861 /* Routine Description:                                                     */
6862 /*   function called on module load                                         */
6863 /****************************************************************************/
6864 static int __init
6865 ips_module_init(void)
6866 {
6867         if (pci_register_driver(&ips_pci_driver) < 0)
6868                 return -ENODEV;
6869         ips_driver_template.module = THIS_MODULE;
6870         ips_order_controllers();
6871         if (!ips_detect(&ips_driver_template)) {
6872                 pci_unregister_driver(&ips_pci_driver);
6873                 return -ENODEV;
6874         }
6875         register_reboot_notifier(&ips_notifier);
6876         return 0;
6877 }
6878
6879 /****************************************************************************/
6880 /*                                                                          */
6881 /* Routine Name: ips_module_exit                                            */
6882 /*                                                                          */
6883 /* Routine Description:                                                     */
6884 /*   function called on module unload                                       */
6885 /****************************************************************************/
6886 static void __exit
6887 ips_module_exit(void)
6888 {
6889         pci_unregister_driver(&ips_pci_driver);
6890         unregister_reboot_notifier(&ips_notifier);
6891 }
6892
6893 module_init(ips_module_init);
6894 module_exit(ips_module_exit);
6895
6896 /*---------------------------------------------------------------------------*/
6897 /*   Routine Name: ips_insert_device                                         */
6898 /*                                                                           */
6899 /*   Routine Description:                                                    */
6900 /*     Add One Adapter ( Hot Plug )                                          */
6901 /*                                                                           */
6902 /*   Return Value:                                                           */
6903 /*     0 if Successful, else non-zero                                        */
6904 /*---------------------------------------------------------------------------*/
6905 static int __devinit
6906 ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6907 {
6908         int index = -1;
6909         int rc;
6910
6911         METHOD_TRACE("ips_insert_device", 1);
6912         rc = pci_enable_device(pci_dev);
6913         if (rc)
6914                 return rc;
6915
6916         rc = pci_request_regions(pci_dev, "ips");
6917         if (rc)
6918                 goto err_out;
6919
6920         rc = ips_init_phase1(pci_dev, &index);
6921         if (rc == SUCCESS)
6922                 rc = ips_init_phase2(index);
6923
6924         if (ips_hotplug)
6925                 if (ips_register_scsi(index)) {
6926                         ips_free(ips_ha[index]);
6927                         rc = -1;
6928                 }
6929
6930         if (rc == SUCCESS)
6931                 ips_num_controllers++;
6932
6933         ips_next_controller = ips_num_controllers;
6934
6935         if (rc < 0) {
6936                 rc = -ENODEV;
6937                 goto err_out_regions;
6938         }
6939
6940         pci_set_drvdata(pci_dev, ips_sh[index]);
6941         return 0;
6942
6943 err_out_regions:
6944         pci_release_regions(pci_dev);
6945 err_out:
6946         pci_disable_device(pci_dev);
6947         return rc;
6948 }
6949
6950 /*---------------------------------------------------------------------------*/
6951 /*   Routine Name: ips_init_phase1                                           */
6952 /*                                                                           */
6953 /*   Routine Description:                                                    */
6954 /*     Adapter Initialization                                                */
6955 /*                                                                           */
6956 /*   Return Value:                                                           */
6957 /*     0 if Successful, else non-zero                                        */
6958 /*---------------------------------------------------------------------------*/
6959 static int
6960 ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6961 {
6962         ips_ha_t *ha;
6963         uint32_t io_addr;
6964         uint32_t mem_addr;
6965         uint32_t io_len;
6966         uint32_t mem_len;
6967         uint8_t bus;
6968         uint8_t func;
6969         int j;
6970         int index;
6971         dma_addr_t dma_address;
6972         char __iomem *ioremap_ptr;
6973         char __iomem *mem_ptr;
6974         uint32_t IsDead;
6975
6976         METHOD_TRACE("ips_init_phase1", 1);
6977         index = IPS_MAX_ADAPTERS;
6978         for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
6979                 if (ips_ha[j] == NULL) {
6980                         index = j;
6981                         break;
6982                 }
6983         }
6984
6985         if (index >= IPS_MAX_ADAPTERS)
6986                 return -1;
6987
6988         /* stuff that we get in dev */
6989         bus = pci_dev->bus->number;
6990         func = pci_dev->devfn;
6991
6992         /* Init MEM/IO addresses to 0 */
6993         mem_addr = 0;
6994         io_addr = 0;
6995         mem_len = 0;
6996         io_len = 0;
6997
6998         for (j = 0; j < 2; j++) {
6999                 if (!pci_resource_start(pci_dev, j))
7000                         break;
7001
7002                 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
7003                         io_addr = pci_resource_start(pci_dev, j);
7004                         io_len = pci_resource_len(pci_dev, j);
7005                 } else {
7006                         mem_addr = pci_resource_start(pci_dev, j);
7007                         mem_len = pci_resource_len(pci_dev, j);
7008                 }
7009         }
7010
7011         /* setup memory mapped area (if applicable) */
7012         if (mem_addr) {
7013                 uint32_t base;
7014                 uint32_t offs;
7015
7016                 base = mem_addr & PAGE_MASK;
7017                 offs = mem_addr - base;
7018                 ioremap_ptr = ioremap(base, PAGE_SIZE);
7019                 if (!ioremap_ptr)
7020                         return -1;
7021                 mem_ptr = ioremap_ptr + offs;
7022         } else {
7023                 ioremap_ptr = NULL;
7024                 mem_ptr = NULL;
7025         }
7026
7027         /* found a controller */
7028         ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
7029         if (ha == NULL) {
7030                 IPS_PRINTK(KERN_WARNING, pci_dev,
7031                            "Unable to allocate temporary ha struct\n");
7032                 return -1;
7033         }
7034
7035         ips_sh[index] = NULL;
7036         ips_ha[index] = ha;
7037         ha->active = 1;
7038
7039         /* Store info in HA structure */
7040         ha->io_addr = io_addr;
7041         ha->io_len = io_len;
7042         ha->mem_addr = mem_addr;
7043         ha->mem_len = mem_len;
7044         ha->mem_ptr = mem_ptr;
7045         ha->ioremap_ptr = ioremap_ptr;
7046         ha->host_num = (uint32_t) index;
7047         ha->slot_num = PCI_SLOT(pci_dev->devfn);
7048         ha->pcidev = pci_dev;
7049
7050         /*
7051          * Set the pci_dev's dma_mask.  Not all adapters support 64bit
7052          * addressing so don't enable it if the adapter can't support
7053          * it!  Also, don't use 64bit addressing if dma addresses
7054          * are guaranteed to be < 4G.
7055          */
7056         if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
7057             !pci_set_dma_mask(ha->pcidev, DMA_64BIT_MASK)) {
7058                 (ha)->flags |= IPS_HA_ENH_SG;
7059         } else {
7060                 if (pci_set_dma_mask(ha->pcidev, DMA_32BIT_MASK) != 0) {
7061                         printk(KERN_WARNING "Unable to set DMA Mask\n");
7062                         return ips_abort_init(ha, index);
7063                 }
7064         }
7065         if(ips_cd_boot && !ips_FlashData){
7066                 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
7067                                                      &ips_flashbusaddr);
7068         }
7069
7070         ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
7071                                        &ha->enq_busaddr);
7072         if (!ha->enq) {
7073                 IPS_PRINTK(KERN_WARNING, pci_dev,
7074                            "Unable to allocate host inquiry structure\n");
7075                 return ips_abort_init(ha, index);
7076         }
7077
7078         ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
7079                                          sizeof (IPS_IO_CMD), &dma_address);
7080         if (!ha->adapt) {
7081                 IPS_PRINTK(KERN_WARNING, pci_dev,
7082                            "Unable to allocate host adapt & dummy structures\n");
7083                 return ips_abort_init(ha, index);
7084         }
7085         ha->adapt->hw_status_start = dma_address;
7086         ha->dummy = (void *) (ha->adapt + 1);
7087
7088
7089
7090         ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
7091         if (!ha->logical_drive_info) {
7092                 IPS_PRINTK(KERN_WARNING, pci_dev,
7093                            "Unable to allocate logical drive info structure\n");
7094                 return ips_abort_init(ha, index);
7095         }
7096         ha->logical_drive_info_dma_addr = dma_address;
7097
7098
7099         ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
7100
7101         if (!ha->conf) {
7102                 IPS_PRINTK(KERN_WARNING, pci_dev,
7103                            "Unable to allocate host conf structure\n");
7104                 return ips_abort_init(ha, index);
7105         }
7106
7107         ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
7108
7109         if (!ha->nvram) {
7110                 IPS_PRINTK(KERN_WARNING, pci_dev,
7111                            "Unable to allocate host NVRAM structure\n");
7112                 return ips_abort_init(ha, index);
7113         }
7114
7115         ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
7116
7117         if (!ha->subsys) {
7118                 IPS_PRINTK(KERN_WARNING, pci_dev,
7119                            "Unable to allocate host subsystem structure\n");
7120                 return ips_abort_init(ha, index);
7121         }
7122
7123         /* the ioctl buffer is now used during adapter initialization, so its
7124          * successful allocation is now required */
7125         if (ips_ioctlsize < PAGE_SIZE)
7126                 ips_ioctlsize = PAGE_SIZE;
7127
7128         ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7129                                               &ha->ioctl_busaddr);
7130         ha->ioctl_len = ips_ioctlsize;
7131         if (!ha->ioctl_data) {
7132                 IPS_PRINTK(KERN_WARNING, pci_dev,
7133                            "Unable to allocate IOCTL data\n");
7134                 return ips_abort_init(ha, index);
7135         }
7136
7137         /*
7138          * Setup Functions
7139          */
7140         ips_setup_funclist(ha);
7141
7142         if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7143                 /* If Morpheus appears dead, reset it */
7144                 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7145                 if (IsDead == 0xDEADBEEF) {
7146                         ips_reset_morpheus(ha);
7147                 }
7148         }
7149
7150         /*
7151          * Initialize the card if it isn't already
7152          */
7153
7154         if (!(*ha->func.isinit) (ha)) {
7155                 if (!(*ha->func.init) (ha)) {
7156                         /*
7157                          * Initialization failed
7158                          */
7159                         IPS_PRINTK(KERN_WARNING, pci_dev,
7160                                    "Unable to initialize controller\n");
7161                         return ips_abort_init(ha, index);
7162                 }
7163         }
7164
7165         *indexPtr = index;
7166         return SUCCESS;
7167 }
7168
7169 /*---------------------------------------------------------------------------*/
7170 /*   Routine Name: ips_init_phase2                                           */
7171 /*                                                                           */
7172 /*   Routine Description:                                                    */
7173 /*     Adapter Initialization Phase 2                                        */
7174 /*                                                                           */
7175 /*   Return Value:                                                           */
7176 /*     0 if Successful, else non-zero                                        */
7177 /*---------------------------------------------------------------------------*/
7178 static int
7179 ips_init_phase2(int index)
7180 {
7181         ips_ha_t *ha;
7182
7183         ha = ips_ha[index];
7184
7185         METHOD_TRACE("ips_init_phase2", 1);
7186         if (!ha->active) {
7187                 ips_ha[index] = NULL;
7188                 return -1;
7189         }
7190
7191         /* Install the interrupt handler */
7192         if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
7193                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7194                            "Unable to install interrupt handler\n");
7195                 return ips_abort_init(ha, index);
7196         }
7197
7198         /*
7199          * Allocate a temporary SCB for initialization
7200          */
7201         ha->max_cmds = 1;
7202         if (!ips_allocatescbs(ha)) {
7203                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7204                            "Unable to allocate a CCB\n");
7205                 free_irq(ha->pcidev->irq, ha);
7206                 return ips_abort_init(ha, index);
7207         }
7208
7209         if (!ips_hainit(ha)) {
7210                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7211                            "Unable to initialize controller\n");
7212                 free_irq(ha->pcidev->irq, ha);
7213                 return ips_abort_init(ha, index);
7214         }
7215         /* Free the temporary SCB */
7216         ips_deallocatescbs(ha, 1);
7217
7218         /* allocate CCBs */
7219         if (!ips_allocatescbs(ha)) {
7220                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7221                            "Unable to allocate CCBs\n");
7222                 free_irq(ha->pcidev->irq, ha);
7223                 return ips_abort_init(ha, index);
7224         }
7225
7226         return SUCCESS;
7227 }
7228
7229 MODULE_LICENSE("GPL");
7230 MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
7231 MODULE_VERSION(IPS_VER_STRING);
7232
7233
7234 /*
7235  * Overrides for Emacs so that we almost follow Linus's tabbing style.
7236  * Emacs will notice this stuff at the end of the file and automatically
7237  * adjust the settings for this buffer only.  This must remain at the end
7238  * of the file.
7239  * ---------------------------------------------------------------------------
7240  * Local variables:
7241  * c-indent-level: 2
7242  * c-brace-imaginary-offset: 0
7243  * c-brace-offset: -2
7244  * c-argdecl-indent: 2
7245  * c-label-offset: -2
7246  * c-continued-statement-offset: 2
7247  * c-continued-brace-offset: 0
7248  * indent-tabs-mode: nil
7249  * tab-width: 8
7250  * End:
7251  */