1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 struct lpfc_sli2_slim;
25 #define LPFC_MAX_TARGET 256 /* max number of targets supported */
26 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
28 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
29 the NameServer before giving up. */
30 #define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */
31 #define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
32 #define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
34 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
35 #define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
36 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
37 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
39 /* Define macros for 64 bit support */
40 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
41 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
42 #define getPaddr(high, low) ((dma_addr_t)( \
43 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
44 /* Provide maximum configuration definitions. */
45 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
46 #define FC_MAX_ADPTMSG 64
50 enum lpfc_polling_flags {
51 ENABLE_FCP_RING_POLLING = 0x1,
52 DISABLE_FCP_RING_INT = 0x2
55 /* Provide DMA memory definitions the driver uses per port instance. */
57 struct list_head list;
58 void *virt; /* virtual address ptr */
59 dma_addr_t phys; /* mapped address */
62 struct lpfc_dma_pool {
63 struct lpfc_dmabuf *elements;
65 uint32_t current_count;
68 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
72 /****************************************************************************/
73 /* Device VPD save area */
74 /****************************************************************************/
75 typedef struct lpfc_vpd {
76 uint32_t status; /* vpd status value */
77 uint32_t length; /* number of bytes actually returned */
79 uint32_t rsvd1; /* Revision numbers */
93 uint8_t sli1FwName[16];
95 uint8_t sli2FwName[16];
106 /* Statistics for ELS commands */
108 uint32_t elsRetryExceeded;
109 uint32_t elsXmitRetry;
110 uint32_t elsDelayRetry;
112 uint32_t elsRcvFrame;
116 uint32_t elsRcvFARPR;
117 uint32_t elsRcvFLOGI;
118 uint32_t elsRcvPLOGI;
119 uint32_t elsRcvADISC;
120 uint32_t elsRcvPDISC;
128 uint32_t elsXmitFLOGI;
129 uint32_t elsXmitPLOGI;
130 uint32_t elsXmitPRLI;
131 uint32_t elsXmitADISC;
132 uint32_t elsXmitLOGO;
134 uint32_t elsXmitRNID;
135 uint32_t elsXmitFARP;
136 uint32_t elsXmitFARPR;
138 uint32_t elsXmitLSRJT;
140 uint32_t frameRcvBcast;
141 uint32_t frameRcvMulti;
142 uint32_t strayXmitCmpl;
143 uint32_t frameXmitDelay;
148 uint32_t LinkMultiEvent;
153 uint32_t fcpRemoteStop;
155 uint32_t fcpPortBusy;
157 uint32_t fcpLocalErr;
160 enum sysfs_mbox_state {
166 struct lpfc_sysfs_mbox {
167 enum sysfs_mbox_state state;
169 struct lpfcMboxq * mbox;
174 struct lpfc_sli2_slim *slim2p;
175 dma_addr_t slim2p_mapping;
176 uint16_t pci_cfg_value;
180 #define LPFC_STATE_UNKNOWN 0 /* HBA state is unknown */
181 #define LPFC_WARM_START 1 /* HBA state after selective reset */
182 #define LPFC_INIT_START 2 /* Initial state after board reset */
183 #define LPFC_INIT_MBX_CMDS 3 /* Initialize HBA with mbox commands */
184 #define LPFC_LINK_DOWN 4 /* HBA initialized, link is down */
185 #define LPFC_LINK_UP 5 /* Link is up - issue READ_LA */
186 #define LPFC_LOCAL_CFG_LINK 6 /* local NPORT Id configured */
187 #define LPFC_FLOGI 7 /* FLOGI sent to Fabric */
188 #define LPFC_FABRIC_CFG_LINK 8 /* Fabric assigned NPORT Id
190 #define LPFC_NS_REG 9 /* Register with NameServer */
191 #define LPFC_NS_QRY 10 /* Query NameServer for NPort ID list */
192 #define LPFC_BUILD_DISC_LIST 11 /* Build ADISC and PLOGI lists for
193 * device authentication / discovery */
194 #define LPFC_DISC_AUTH 12 /* Processing ADISC list */
195 #define LPFC_CLEAR_LA 13 /* authentication cmplt - issue
197 #define LPFC_HBA_READY 32
198 #define LPFC_HBA_ERROR -1
200 int32_t stopped; /* HBA has not been restarted since last ERATT */
201 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
203 uint32_t fc_eventTag; /* event tag for link attention */
204 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
206 uint32_t num_disc_nodes; /*in addition to hba_state */
208 struct timer_list fc_estabtmo; /* link establishment timer */
209 struct timer_list fc_disctmo; /* Discovery rescue timer */
210 struct timer_list fc_fdmitmo; /* fdmi timer */
211 /* These fields used to be binfo */
212 struct lpfc_name fc_nodename; /* fc nodename */
213 struct lpfc_name fc_portname; /* fc portname */
214 uint32_t fc_pref_DID; /* preferred D_ID */
215 uint8_t fc_pref_ALPA; /* preferred AL_PA */
216 uint32_t fc_edtov; /* E_D_TOV timer value */
217 uint32_t fc_arbtov; /* ARB_TOV timer value */
218 uint32_t fc_ratov; /* R_A_TOV timer value */
219 uint32_t fc_rttov; /* R_T_TOV timer value */
220 uint32_t fc_altov; /* AL_TOV timer value */
221 uint32_t fc_crtov; /* C_R_TOV timer value */
222 uint32_t fc_citov; /* C_I_TOV timer value */
223 uint32_t fc_myDID; /* fibre channel S_ID */
224 uint32_t fc_prevDID; /* previous fibre channel S_ID */
226 struct serv_parm fc_sparam; /* buffer for our service parameters */
227 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
228 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
230 uint8_t fc_ns_retry; /* retries for fabric nameserver */
231 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
232 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
233 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
235 uint32_t fc_flag; /* FC flags */
236 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
237 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
238 #define FC_DISC_TMO 0x4 /* Discovery timer running */
239 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
240 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
241 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
242 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
243 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
244 #define FC_FABRIC 0x100 /* We are fabric attached */
245 #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
246 #define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
247 #define FC_LOADING 0x1000 /* HBA in process of loading drvr */
248 #define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */
249 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
250 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
251 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
252 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
254 uint32_t fc_topology; /* link topology, from LINK INIT */
256 struct lpfc_stats fc_stat;
258 /* These are the head/tail pointers for the bind, plogi, adisc, unmap,
259 * and map lists. Their counters are immediately following.
261 struct list_head fc_plogi_list;
262 struct list_head fc_adisc_list;
263 struct list_head fc_reglogin_list;
264 struct list_head fc_prli_list;
265 struct list_head fc_nlpunmap_list;
266 struct list_head fc_nlpmap_list;
267 struct list_head fc_npr_list;
268 struct list_head fc_unused_list;
270 /* Keep counters for the number of entries in each list. */
271 uint16_t fc_plogi_cnt;
272 uint16_t fc_adisc_cnt;
273 uint16_t fc_reglogin_cnt;
274 uint16_t fc_prli_cnt;
275 uint16_t fc_unmap_cnt;
278 uint16_t fc_unused_cnt;
279 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
280 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
283 uint32_t RandomData[7];
285 uint32_t cfg_log_verbose;
286 uint32_t cfg_lun_queue_depth;
287 uint32_t cfg_nodev_tmo;
288 uint32_t cfg_devloss_tmo;
289 uint32_t cfg_hba_queue_depth;
290 uint32_t cfg_fcp_class;
291 uint32_t cfg_use_adisc;
293 uint32_t cfg_topology;
294 uint32_t cfg_scan_down;
295 uint32_t cfg_link_speed;
296 uint32_t cfg_cr_delay;
297 uint32_t cfg_cr_count;
298 uint32_t cfg_multi_ring_support;
299 uint32_t cfg_multi_ring_rctl;
300 uint32_t cfg_multi_ring_type;
301 uint32_t cfg_fdmi_on;
302 uint32_t cfg_discovery_threads;
303 uint32_t cfg_max_luns;
305 uint32_t cfg_poll_tmo;
306 uint32_t cfg_use_msi;
307 uint32_t cfg_sg_seg_cnt;
308 uint32_t cfg_sg_dma_buf_size;
309 uint64_t cfg_soft_wwnn;
310 uint64_t cfg_soft_wwpn;
312 uint32_t dev_loss_tmo_changed;
314 lpfc_vpd_t vpd; /* vital product data */
316 struct Scsi_Host *host;
317 struct pci_dev *pcidev;
318 struct list_head work_list;
319 uint32_t work_ha; /* Host Attention Bits for WT */
320 uint32_t work_ha_mask; /* HA Bits owned by WT */
321 uint32_t work_hs; /* HS stored in case of ERRAT */
322 uint32_t work_status[2]; /* Extra status from SLIM */
323 uint32_t work_hba_events; /* Timeout to be handled */
324 #define WORKER_DISC_TMO 0x1 /* Discovery timeout */
325 #define WORKER_ELS_TMO 0x2 /* ELS timeout */
326 #define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
327 #define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
329 wait_queue_head_t *work_wait;
330 struct task_struct *worker_thread;
332 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
333 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
334 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
336 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
339 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
340 void __iomem *HAregaddr; /* virtual address for host attn reg */
341 void __iomem *CAregaddr; /* virtual address for chip attn reg */
342 void __iomem *HSregaddr; /* virtual address for host status
344 void __iomem *HCregaddr; /* virtual address for host ctl reg */
346 int brd_no; /* FC board number */
348 char SerialNumber[32]; /* adapter Serial Number */
349 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
350 char ModelDesc[256]; /* Model Description */
351 char ModelName[80]; /* Model Name */
352 char ProgramType[256]; /* Program Type */
353 char Port[20]; /* Port No */
354 uint8_t vpd_flag; /* VPD data flag */
356 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
357 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
358 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
359 #define VPD_PORT 0x8 /* valid vpd port data */
360 #define VPD_MASK 0xf /* mask for any vpd data */
362 uint8_t soft_wwn_enable;
364 struct timer_list fcp_poll_timer;
365 struct timer_list els_tmofunc;
370 uint64_t fc4InputRequests;
371 uint64_t fc4OutputRequests;
372 uint64_t fc4ControlRequests;
374 struct lpfc_sysfs_mbox sysfs_mbox;
377 spinlock_t scsi_buf_list_lock;
378 struct list_head lpfc_scsi_buf_list;
379 uint32_t total_scsi_bufs;
380 struct list_head lpfc_iocb_list;
381 uint32_t total_iocbq_bufs;
384 struct pci_pool *lpfc_scsi_dma_buf_pool;
385 struct pci_pool *lpfc_mbuf_pool;
386 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
388 mempool_t *mbox_mem_pool;
389 mempool_t *nlp_mem_pool;
391 struct fc_host_statistics link_stats;
398 struct list_head list;
402 #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */