2 * ipr.h -- driver for IBM Power Linux RAID adapters
4 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
6 * Copyright (C) 2003, 2004 IBM Corporation
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * Alan Cox <alan@redhat.com> - Removed several careless u32/dma_addr_t errors
23 * that broke 64bit platforms.
29 #include <linux/types.h>
30 #include <linux/completion.h>
31 #include <linux/list.h>
32 #include <linux/kref.h>
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_cmnd.h>
39 #define IPR_DRIVER_VERSION "2.0.14"
40 #define IPR_DRIVER_DATE "(May 2, 2005)"
43 * IPR_DBG_TRACE: Setting this to 1 will turn on some general function tracing
44 * resulting in a bunch of extra debugging printks to the console
46 * IPR_DEBUG: Setting this to 1 will turn on some error path tracing.
47 * Enables the ipr_trace macro.
51 #define IPR_DBG_TRACE 1
54 #define IPR_DBG_TRACE 0
58 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
59 * ops per device for devices not running tagged command queuing.
60 * This can be adjusted at runtime through sysfs device attributes.
62 #define IPR_MAX_CMD_PER_LUN 6
65 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
66 * ops the mid-layer can send to the adapter.
68 #define IPR_NUM_BASE_CMD_BLKS 100
70 #define IPR_SUBS_DEV_ID_2780 0x0264
71 #define IPR_SUBS_DEV_ID_5702 0x0266
72 #define IPR_SUBS_DEV_ID_5703 0x0278
73 #define IPR_SUBS_DEV_ID_572E 0x028D
74 #define IPR_SUBS_DEV_ID_573E 0x02D3
75 #define IPR_SUBS_DEV_ID_573D 0x02D4
76 #define IPR_SUBS_DEV_ID_571A 0x02C0
77 #define IPR_SUBS_DEV_ID_571B 0x02BE
78 #define IPR_SUBS_DEV_ID_571E 0x02BF
80 #define IPR_NAME "ipr"
85 #define IPR_RC_JOB_CONTINUE 1
86 #define IPR_RC_JOB_RETURN 2
91 #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
92 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
93 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
94 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
95 #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
96 #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
97 #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
98 #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
99 #define IPR_IOASC_BUS_WAS_RESET 0x06290000
100 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
101 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
103 #define IPR_FIRST_DRIVER_IOASC 0x10000000
104 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
105 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
107 #define IPR_NUM_LOG_HCAMS 2
108 #define IPR_NUM_CFG_CHG_HCAMS 2
109 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
110 #define IPR_MAX_NUM_TARGETS_PER_BUS 0x10
111 #define IPR_MAX_NUM_LUNS_PER_TARGET 256
112 #define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
113 #define IPR_VSET_BUS 0xff
114 #define IPR_IOA_BUS 0xff
115 #define IPR_IOA_TARGET 0xff
116 #define IPR_IOA_LUN 0xff
117 #define IPR_MAX_NUM_BUSES 4
118 #define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
120 #define IPR_NUM_RESET_RELOAD_RETRIES 3
122 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
123 #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
124 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
126 #define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
127 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
128 IPR_NUM_INTERNAL_CMD_BLKS)
130 #define IPR_MAX_PHYSICAL_DEVS 192
132 #define IPR_MAX_SGLIST 64
133 #define IPR_IOA_MAX_SECTORS 32767
134 #define IPR_VSET_MAX_SECTORS 512
135 #define IPR_MAX_CDB_LEN 16
137 #define IPR_DEFAULT_BUS_WIDTH 16
138 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
139 #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
140 #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
141 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
143 #define IPR_IOA_RES_HANDLE 0xffffffff
144 #define IPR_IOA_RES_ADDR 0x00ffffff
149 #define IPR_QUERY_RSRC_STATE 0xC2
150 #define IPR_RESET_DEVICE 0xC3
151 #define IPR_RESET_TYPE_SELECT 0x80
152 #define IPR_LUN_RESET 0x40
153 #define IPR_TARGET_RESET 0x20
154 #define IPR_BUS_RESET 0x10
155 #define IPR_ID_HOST_RR_Q 0xC4
156 #define IPR_QUERY_IOA_CONFIG 0xC5
157 #define IPR_CANCEL_ALL_REQUESTS 0xCE
158 #define IPR_HOST_CONTROLLED_ASYNC 0xCF
159 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
160 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
161 #define IPR_SET_SUPPORTED_DEVICES 0xFB
162 #define IPR_IOA_SHUTDOWN 0xF7
163 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
168 #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
169 #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
170 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
171 #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
172 #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
173 #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
174 #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
175 #define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
176 #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
177 #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
178 #define IPR_OPERATIONAL_TIMEOUT (5 * 60)
179 #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
180 #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
181 #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
182 #define IPR_DUMP_TIMEOUT (15 * HZ)
187 #define IPR_VENDOR_ID_LEN 8
188 #define IPR_PROD_ID_LEN 16
189 #define IPR_SERIAL_NUM_LEN 8
194 #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
195 #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
196 #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
197 #define IPR_GET_FMT2_BAR_SEL(mbx) \
198 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
199 #define IPR_SDT_FMT2_BAR0_SEL 0x0
200 #define IPR_SDT_FMT2_BAR1_SEL 0x1
201 #define IPR_SDT_FMT2_BAR2_SEL 0x2
202 #define IPR_SDT_FMT2_BAR3_SEL 0x3
203 #define IPR_SDT_FMT2_BAR4_SEL 0x4
204 #define IPR_SDT_FMT2_BAR5_SEL 0x5
205 #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
206 #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
207 #define IPR_DOORBELL 0x82800000
209 #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
210 #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
211 #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
212 #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
213 #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
214 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
215 #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
216 #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
217 #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
218 #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
219 #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
221 #define IPR_PCII_ERROR_INTERRUPTS \
222 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
223 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
225 #define IPR_PCII_OPER_INTERRUPTS \
226 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
228 #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
229 #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
231 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
232 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
237 #define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
238 #define IPR_NUM_SDT_ENTRIES 511
239 #define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
244 #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
247 * Adapter interface types
250 struct ipr_res_addr {
255 #define IPR_GET_PHYS_LOC(res_addr) \
256 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
257 }__attribute__((packed, aligned (4)));
259 struct ipr_std_inq_vpids {
260 u8 vendor_id[IPR_VENDOR_ID_LEN];
261 u8 product_id[IPR_PROD_ID_LEN];
262 }__attribute__((packed));
264 struct ipr_std_inq_data {
265 u8 peri_qual_dev_type;
266 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
267 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
269 u8 removeable_medium_rsvd;
270 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
272 #define IPR_IS_DASD_DEVICE(std_inq) \
273 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
274 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
276 #define IPR_IS_SES_DEVICE(std_inq) \
277 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
286 struct ipr_std_inq_vpids vpids;
288 u8 ros_rsvd_ram_rsvd[4];
290 u8 serial_num[IPR_SERIAL_NUM_LEN];
291 }__attribute__ ((packed));
293 struct ipr_config_table_entry {
297 #define IPR_IS_IOA_RESOURCE 0x80
298 #define IPR_IS_ARRAY_MEMBER 0x20
299 #define IPR_IS_HOT_SPARE 0x10
302 #define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
303 #define IPR_SUBTYPE_AF_DASD 0
304 #define IPR_SUBTYPE_GENERIC_SCSI 1
305 #define IPR_SUBTYPE_VOLUME_SET 2
307 struct ipr_res_addr res_addr;
310 struct ipr_std_inq_data std_inq_data;
311 }__attribute__ ((packed, aligned (4)));
313 struct ipr_config_table_hdr {
316 #define IPR_UCODE_DOWNLOAD_REQ 0x10
318 }__attribute__((packed, aligned (4)));
320 struct ipr_config_table {
321 struct ipr_config_table_hdr hdr;
322 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
323 }__attribute__((packed, aligned (4)));
325 struct ipr_hostrcb_cfg_ch_not {
326 struct ipr_config_table_entry cfgte;
328 }__attribute__((packed, aligned (4)));
330 struct ipr_supported_device {
334 struct ipr_std_inq_vpids vpids;
336 }__attribute__((packed, aligned (4)));
338 /* Command packet structure */
340 __be16 reserved; /* Reserved by IOA */
342 #define IPR_RQTYPE_SCSICDB 0x00
343 #define IPR_RQTYPE_IOACMD 0x01
344 #define IPR_RQTYPE_HCAM 0x02
349 #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
350 #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
351 #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
352 #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
353 #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
356 #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
357 #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
358 #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
359 #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
360 #define IPR_FLAGS_LO_ORDERED_TASK 0x04
361 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
362 #define IPR_FLAGS_LO_ACA_TASK 0x08
366 }__attribute__ ((packed, aligned(4)));
368 /* IOA Request Control Block 128 bytes */
370 __be32 ioarcb_host_pci_addr;
373 __be32 host_response_handle;
378 __be32 write_data_transfer_length;
379 __be32 read_data_transfer_length;
380 __be32 write_ioadl_addr;
381 __be32 write_ioadl_len;
382 __be32 read_ioadl_addr;
383 __be32 read_ioadl_len;
385 __be32 ioasa_host_pci_addr;
389 struct ipr_cmd_pkt cmd_pkt;
391 __be32 add_cmd_parms_len;
392 __be32 add_cmd_parms[10];
393 }__attribute__((packed, aligned (4)));
395 struct ipr_ioadl_desc {
396 __be32 flags_and_data_len;
397 #define IPR_IOADL_FLAGS_MASK 0xff000000
398 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
399 #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
400 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
401 #define IPR_IOADL_FLAGS_READ 0x48000000
402 #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
403 #define IPR_IOADL_FLAGS_WRITE 0x68000000
404 #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
405 #define IPR_IOADL_FLAGS_LAST 0x01000000
408 }__attribute__((packed, aligned (8)));
410 struct ipr_ioasa_vset {
411 __be32 failing_lba_hi;
412 __be32 failing_lba_lo;
414 }__attribute__((packed, aligned (4)));
416 struct ipr_ioasa_af_dasd {
418 }__attribute__((packed, aligned (4)));
420 struct ipr_ioasa_gpdd {
425 }__attribute__((packed, aligned (4)));
427 struct ipr_ioasa_raw {
429 }__attribute__((packed, aligned (4)));
433 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
434 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
435 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
436 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
438 __be16 ret_stat_len; /* Length of the returned IOASA */
440 __be16 avail_stat_len; /* Total Length of status available. */
442 __be32 residual_data_len; /* number of bytes in the host data */
443 /* buffers that were not used by the IOARCB command. */
446 #define IPR_NO_ILID 0
447 #define IPR_DRIVER_ILID 0xffffffff
451 __be32 fd_phys_locator;
453 __be32 fd_res_handle;
455 __be32 ioasc_specific; /* status code specific field */
456 #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
457 #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
458 #define IPR_FIELD_POINTER_MASK 0x0000ffff
461 struct ipr_ioasa_vset vset;
462 struct ipr_ioasa_af_dasd dasd;
463 struct ipr_ioasa_gpdd gpdd;
464 struct ipr_ioasa_raw raw;
466 }__attribute__((packed, aligned (4)));
468 struct ipr_mode_parm_hdr {
471 u8 device_spec_parms;
473 }__attribute__((packed));
475 struct ipr_mode_pages {
476 struct ipr_mode_parm_hdr hdr;
477 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
478 }__attribute__((packed));
480 struct ipr_mode_page_hdr {
482 #define IPR_MODE_PAGE_PS 0x80
483 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
485 }__attribute__ ((packed));
487 struct ipr_dev_bus_entry {
488 struct ipr_res_addr res_addr;
490 #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
491 #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
492 #define IPR_SCSI_ATTR_QAS_MASK 0xC0
493 #define IPR_SCSI_ATTR_ENABLE_TM 0x20
494 #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
495 #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
496 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
500 u8 extended_reset_delay;
501 #define IPR_EXTENDED_RESET_DELAY 7
503 __be32 max_xfer_rate;
508 }__attribute__((packed, aligned (4)));
510 struct ipr_mode_page28 {
511 struct ipr_mode_page_hdr hdr;
514 struct ipr_dev_bus_entry bus[0];
515 }__attribute__((packed));
518 struct ipr_std_inq_data std_inq_data;
519 u8 ascii_part_num[12];
521 u8 ascii_plant_code[4];
522 }__attribute__((packed));
524 struct ipr_inquiry_page3 {
525 u8 peri_qual_dev_type;
537 }__attribute__((packed));
539 struct ipr_hostrcb_device_data_entry {
540 struct ipr_std_inq_vpids dev_vpids;
541 u8 dev_sn[IPR_SERIAL_NUM_LEN];
542 struct ipr_res_addr dev_res_addr;
543 struct ipr_std_inq_vpids new_dev_vpids;
544 u8 new_dev_sn[IPR_SERIAL_NUM_LEN];
545 struct ipr_std_inq_vpids ioa_last_with_dev_vpids;
546 u8 ioa_last_with_dev_sn[IPR_SERIAL_NUM_LEN];
547 struct ipr_std_inq_vpids cfc_last_with_dev_vpids;
548 u8 cfc_last_with_dev_sn[IPR_SERIAL_NUM_LEN];
550 }__attribute__((packed, aligned (4)));
552 struct ipr_hostrcb_array_data_entry {
553 struct ipr_std_inq_vpids vpids;
554 u8 serial_num[IPR_SERIAL_NUM_LEN];
555 struct ipr_res_addr expected_dev_res_addr;
556 struct ipr_res_addr dev_res_addr;
557 }__attribute__((packed, aligned (4)));
559 struct ipr_hostrcb_type_ff_error {
560 __be32 ioa_data[246];
561 }__attribute__((packed, aligned (4)));
563 struct ipr_hostrcb_type_01_error {
567 __be32 ioa_data[236];
568 }__attribute__((packed, aligned (4)));
570 struct ipr_hostrcb_type_02_error {
571 struct ipr_std_inq_vpids ioa_vpids;
572 u8 ioa_sn[IPR_SERIAL_NUM_LEN];
573 struct ipr_std_inq_vpids cfc_vpids;
574 u8 cfc_sn[IPR_SERIAL_NUM_LEN];
575 struct ipr_std_inq_vpids ioa_last_attached_to_cfc_vpids;
576 u8 ioa_last_attached_to_cfc_sn[IPR_SERIAL_NUM_LEN];
577 struct ipr_std_inq_vpids cfc_last_attached_to_ioa_vpids;
578 u8 cfc_last_attached_to_ioa_sn[IPR_SERIAL_NUM_LEN];
581 }__attribute__((packed, aligned (4)));
583 struct ipr_hostrcb_type_03_error {
584 struct ipr_std_inq_vpids ioa_vpids;
585 u8 ioa_sn[IPR_SERIAL_NUM_LEN];
586 struct ipr_std_inq_vpids cfc_vpids;
587 u8 cfc_sn[IPR_SERIAL_NUM_LEN];
588 __be32 errors_detected;
589 __be32 errors_logged;
591 struct ipr_hostrcb_device_data_entry dev_entry[3];
593 }__attribute__((packed, aligned (4)));
595 struct ipr_hostrcb_type_04_error {
596 struct ipr_std_inq_vpids ioa_vpids;
597 u8 ioa_sn[IPR_SERIAL_NUM_LEN];
598 struct ipr_std_inq_vpids cfc_vpids;
599 u8 cfc_sn[IPR_SERIAL_NUM_LEN];
601 struct ipr_hostrcb_array_data_entry array_member[10];
602 __be32 exposed_mode_adn;
604 struct ipr_std_inq_vpids incomp_dev_vpids;
605 u8 incomp_dev_sn[IPR_SERIAL_NUM_LEN];
607 struct ipr_hostrcb_array_data_entry array_member2[8];
608 struct ipr_res_addr last_func_vset_res_addr;
609 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
610 u8 protection_level[8];
612 }__attribute__((packed, aligned (4)));
614 struct ipr_hostrcb_error {
615 __be32 failing_dev_ioasc;
616 struct ipr_res_addr failing_dev_res_addr;
617 __be32 failing_dev_res_handle;
620 struct ipr_hostrcb_type_ff_error type_ff_error;
621 struct ipr_hostrcb_type_01_error type_01_error;
622 struct ipr_hostrcb_type_02_error type_02_error;
623 struct ipr_hostrcb_type_03_error type_03_error;
624 struct ipr_hostrcb_type_04_error type_04_error;
626 }__attribute__((packed, aligned (4)));
628 struct ipr_hostrcb_raw {
629 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
630 }__attribute__((packed, aligned (4)));
634 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
635 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
638 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
639 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
640 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
641 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
642 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
644 u8 notifications_lost;
645 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
646 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
649 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
650 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
653 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
654 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
655 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
656 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
657 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
658 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
662 __be32 time_since_last_ioa_reset;
667 struct ipr_hostrcb_error error;
668 struct ipr_hostrcb_cfg_ch_not ccn;
669 struct ipr_hostrcb_raw raw;
671 }__attribute__((packed, aligned (4)));
674 struct ipr_hcam hcam;
675 dma_addr_t hostrcb_dma;
676 struct list_head queue;
679 /* IPR smart dump table structures */
680 struct ipr_sdt_entry {
681 __be32 bar_str_offset;
687 #define IPR_SDT_ENDIAN 0x80
688 #define IPR_SDT_VALID_ENTRY 0x20
692 }__attribute__((packed, aligned (4)));
694 struct ipr_sdt_header {
697 __be32 num_entries_used;
699 }__attribute__((packed, aligned (4)));
702 struct ipr_sdt_header hdr;
703 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
704 }__attribute__((packed, aligned (4)));
707 struct ipr_sdt_header hdr;
708 struct ipr_sdt_entry entry[1];
709 }__attribute__((packed, aligned (4)));
714 struct ipr_bus_attributes {
722 struct ipr_resource_entry {
723 struct ipr_config_table_entry cfgte;
724 u8 needs_sync_complete:1;
728 u8 resetting_device:1;
730 struct scsi_device *sdev;
731 struct list_head queue;
734 struct ipr_resource_hdr {
739 struct ipr_resource_table {
740 struct ipr_resource_hdr hdr;
741 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
744 struct ipr_misc_cbs {
745 struct ipr_ioa_vpd ioa_vpd;
746 struct ipr_inquiry_page3 page3_data;
747 struct ipr_mode_pages mode_pages;
748 struct ipr_supported_device supp_dev;
751 struct ipr_interrupt_offsets {
752 unsigned long set_interrupt_mask_reg;
753 unsigned long clr_interrupt_mask_reg;
754 unsigned long sense_interrupt_mask_reg;
755 unsigned long clr_interrupt_reg;
757 unsigned long sense_interrupt_reg;
758 unsigned long ioarrin_reg;
759 unsigned long sense_uproc_interrupt_reg;
760 unsigned long set_uproc_interrupt_reg;
761 unsigned long clr_uproc_interrupt_reg;
764 struct ipr_interrupts {
765 void __iomem *set_interrupt_mask_reg;
766 void __iomem *clr_interrupt_mask_reg;
767 void __iomem *sense_interrupt_mask_reg;
768 void __iomem *clr_interrupt_reg;
770 void __iomem *sense_interrupt_reg;
771 void __iomem *ioarrin_reg;
772 void __iomem *sense_uproc_interrupt_reg;
773 void __iomem *set_uproc_interrupt_reg;
774 void __iomem *clr_uproc_interrupt_reg;
777 struct ipr_chip_cfg_t {
780 struct ipr_interrupt_offsets regs;
786 const struct ipr_chip_cfg_t *cfg;
789 enum ipr_shutdown_type {
790 IPR_SHUTDOWN_NORMAL = 0x00,
791 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
792 IPR_SHUTDOWN_ABBREV = 0x80,
793 IPR_SHUTDOWN_NONE = 0x100
796 struct ipr_trace_entry {
801 #define IPR_TRACE_START 0x00
802 #define IPR_TRACE_FINISH 0xff
817 struct scatterlist scatterlist[1];
828 /* Per-controller data */
831 #define IPR_EYECATCHER "iprcfg"
833 struct list_head queue;
835 u8 allow_interrupts:1;
836 u8 in_reset_reload:1;
837 u8 in_ioa_bringdown:1;
838 u8 ioa_unit_checked:1;
842 u8 allow_ml_add_del:1;
844 u16 type; /* CCIN of the card */
847 #define IPR_MAX_LOG_LEVEL 4
848 #define IPR_DEFAULT_LOG_LEVEL 2
850 #define IPR_NUM_TRACE_INDEX_BITS 8
851 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
852 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
854 #define IPR_TRACE_START_LABEL "trace"
855 struct ipr_trace_entry *trace;
856 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
859 * Queue for free command blocks
861 char ipr_free_label[8];
862 #define IPR_FREEQ_LABEL "free-q"
863 struct list_head free_q;
866 * Queue for command blocks outstanding to the adapter
868 char ipr_pending_label[8];
869 #define IPR_PENDQ_LABEL "pend-q"
870 struct list_head pending_q;
872 char cfg_table_start[8];
873 #define IPR_CFG_TBL_START "cfg"
874 struct ipr_config_table *cfg_table;
875 dma_addr_t cfg_table_dma;
877 char resource_table_label[8];
878 #define IPR_RES_TABLE_LABEL "res_tbl"
879 struct ipr_resource_entry *res_entries;
880 struct list_head free_res_q;
881 struct list_head used_res_q;
883 char ipr_hcam_label[8];
884 #define IPR_HCAM_LABEL "hcams"
885 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
886 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
887 struct list_head hostrcb_free_q;
888 struct list_head hostrcb_pending_q;
891 dma_addr_t host_rrq_dma;
892 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
893 #define IPR_HRRQ_RESP_BIT_SET 0x00000002
894 #define IPR_HRRQ_TOGGLE_BIT 0x00000001
895 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
896 volatile __be32 *hrrq_start;
897 volatile __be32 *hrrq_end;
898 volatile __be32 *hrrq_curr;
899 volatile u32 toggle_bit;
901 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
903 const struct ipr_chip_cfg_t *chip_cfg;
905 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
906 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
907 void __iomem *ioa_mailbox;
908 struct ipr_interrupts regs;
910 u16 saved_pcix_cmd_reg;
915 struct Scsi_Host *host;
916 struct pci_dev *pdev;
917 struct ipr_sglist *ucode_sglist;
918 struct ipr_mode_pages *saved_mode_pages;
919 u8 saved_mode_page_len;
921 struct work_struct work_q;
923 wait_queue_head_t reset_wait_q;
925 struct ipr_dump *dump;
926 enum ipr_sdt_state sdt_state;
928 struct ipr_misc_cbs *vpd_cbs;
929 dma_addr_t vpd_cbs_dma;
931 struct pci_pool *ipr_cmd_pool;
933 struct ipr_cmnd *reset_cmd;
935 char ipr_cmd_label[8];
936 #define IPR_CMD_LABEL "ipr_cmnd"
937 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
938 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
942 struct ipr_ioarcb ioarcb;
943 struct ipr_ioasa ioasa;
944 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
945 struct list_head queue;
946 struct scsi_cmnd *scsi_cmd;
947 struct completion completion;
948 struct timer_list timer;
949 void (*done) (struct ipr_cmnd *);
950 int (*job_step) (struct ipr_cmnd *);
952 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
953 dma_addr_t sense_buffer_dma;
954 unsigned short dma_use_sg;
955 dma_addr_t dma_handle;
956 struct ipr_cmnd *sibling;
958 enum ipr_shutdown_type shutdown_type;
959 struct ipr_hostrcb *hostrcb;
960 unsigned long time_left;
961 unsigned long scratch;
962 struct ipr_resource_entry *res;
963 struct scsi_device *sdev;
966 struct ipr_ioa_cfg *ioa_cfg;
969 struct ipr_ses_table_entry {
971 char compare_product_id_byte[17];
972 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
975 struct ipr_dump_header {
977 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
980 u32 first_entry_offset;
982 #define IPR_DUMP_STATUS_SUCCESS 0
983 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
984 #define IPR_DUMP_STATUS_FAILED 0xffffffff
986 #define IPR_DUMP_OS_LINUX 0x4C4E5558
988 #define IPR_DUMP_DRIVER_NAME 0x49505232
989 }__attribute__((packed, aligned (4)));
991 struct ipr_dump_entry_header {
993 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
998 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
999 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1001 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1002 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1003 #define IPR_DUMP_TRACE_ID 0x54524143
1004 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1005 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1006 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1007 #define IPR_DUMP_PEND_OPS 0x414F5053
1009 }__attribute__((packed, aligned (4)));
1011 struct ipr_dump_location_entry {
1012 struct ipr_dump_entry_header hdr;
1013 u8 location[BUS_ID_SIZE];
1014 }__attribute__((packed));
1016 struct ipr_dump_trace_entry {
1017 struct ipr_dump_entry_header hdr;
1018 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1019 }__attribute__((packed, aligned (4)));
1021 struct ipr_dump_version_entry {
1022 struct ipr_dump_entry_header hdr;
1023 u8 version[sizeof(IPR_DRIVER_VERSION)];
1026 struct ipr_dump_ioa_type_entry {
1027 struct ipr_dump_entry_header hdr;
1032 struct ipr_driver_dump {
1033 struct ipr_dump_header hdr;
1034 struct ipr_dump_version_entry version_entry;
1035 struct ipr_dump_location_entry location_entry;
1036 struct ipr_dump_ioa_type_entry ioa_type_entry;
1037 struct ipr_dump_trace_entry trace_entry;
1038 }__attribute__((packed));
1040 struct ipr_ioa_dump {
1041 struct ipr_dump_entry_header hdr;
1043 __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1045 u32 next_page_index;
1048 #define IPR_SDT_FMT2 2
1049 #define IPR_SDT_UNKNOWN 3
1050 }__attribute__((packed, aligned (4)));
1054 struct ipr_ioa_cfg *ioa_cfg;
1055 struct ipr_driver_dump driver_dump;
1056 struct ipr_ioa_dump ioa_dump;
1059 struct ipr_error_table_t {
1066 struct ipr_software_inq_lid_info {
1068 __be32 timestamp[3];
1069 }__attribute__((packed, aligned (4)));
1071 struct ipr_ucode_image_header {
1072 __be32 header_length;
1073 __be32 lid_table_offset;
1076 u8 minor_release[2];
1078 char eyecatcher[16];
1080 struct ipr_software_inq_lid_info lid[1];
1081 }__attribute__((packed, aligned (4)));
1087 #define IPR_DBG_CMD(CMD) do { CMD; } while (0)
1089 #define IPR_DBG_CMD(CMD)
1092 #ifdef CONFIG_SCSI_IPR_TRACE
1093 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1094 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1096 #define ipr_create_trace_file(kobj, attr) 0
1097 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1100 #ifdef CONFIG_SCSI_IPR_DUMP
1101 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1102 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1104 #define ipr_create_dump_file(kobj, attr) 0
1105 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1109 * Error logging macros
1111 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1112 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1113 #define ipr_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
1114 #define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
1115 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1117 #define ipr_sdev_printk(level, sdev, fmt, ...) \
1118 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, sdev->host->host_no, \
1119 sdev->channel, sdev->id, sdev->lun, ##__VA_ARGS__)
1121 #define ipr_sdev_err(sdev, fmt, ...) \
1122 ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
1124 #define ipr_sdev_info(sdev, fmt, ...) \
1125 ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
1127 #define ipr_sdev_dbg(sdev, fmt, ...) \
1128 IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
1130 #define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
1131 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
1132 res.bus, res.target, res.lun, ##__VA_ARGS__)
1134 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1135 ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
1136 #define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
1137 IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
1139 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1140 __FILE__, __FUNCTION__, __LINE__)
1143 #define ENTER printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__)
1144 #define LEAVE printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__)
1150 #define ipr_err_separator \
1151 ipr_err("----------------------------------------------------------\n")
1159 * ipr_is_ioa_resource - Determine if a resource is the IOA
1160 * @res: resource entry struct
1163 * 1 if IOA / 0 if not IOA
1165 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1167 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1171 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1172 * @res: resource entry struct
1175 * 1 if AF DASD / 0 if not AF DASD
1177 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1179 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1180 !ipr_is_ioa_resource(res) &&
1181 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1188 * ipr_is_vset_device - Determine if a resource is a VSET
1189 * @res: resource entry struct
1192 * 1 if VSET / 0 if not VSET
1194 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1196 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1197 !ipr_is_ioa_resource(res) &&
1198 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1205 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1206 * @res: resource entry struct
1209 * 1 if GSCSI / 0 if not GSCSI
1211 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1213 if (!ipr_is_ioa_resource(res) &&
1214 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1221 * ipr_is_device - Determine if resource address is that of a device
1222 * @res_addr: resource address struct
1225 * 1 if AF / 0 if not AF
1227 static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1229 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1230 (res_addr->target < IPR_MAX_NUM_TARGETS_PER_BUS))
1237 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1238 * @sdt_word: SDT address
1241 * 1 if format 2 / 0 if not
1243 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1245 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1248 case IPR_SDT_FMT2_BAR0_SEL:
1249 case IPR_SDT_FMT2_BAR1_SEL:
1250 case IPR_SDT_FMT2_BAR2_SEL:
1251 case IPR_SDT_FMT2_BAR3_SEL:
1252 case IPR_SDT_FMT2_BAR4_SEL:
1253 case IPR_SDT_FMT2_BAR5_SEL:
1254 case IPR_SDT_FMT2_EXP_ROM_SEL: