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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
41415862 | 4 | * Copyright (C) 2004-2006 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
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. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | struct lpfc_sli2_slim; |
23 | ||
dea3101e | 24 | |
e17da18e JS |
25 | #define LPFC_MAX_TARGET 256 /* max number of targets supported */ |
26 | #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els | |
27 | requests */ | |
28 | #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact | |
29 | the NameServer before giving up. */ | |
445cf4f4 | 30 | #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ |
dea3101e JB |
31 | #define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ |
32 | #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ | |
445cf4f4 | 33 | #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ |
dea3101e JB |
34 | |
35 | /* Define macros for 64 bit support */ | |
36 | #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) | |
37 | #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) | |
38 | #define getPaddr(high, low) ((dma_addr_t)( \ | |
39 | (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) | |
40 | /* Provide maximum configuration definitions. */ | |
41 | #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ | |
dea3101e JB |
42 | #define FC_MAX_ADPTMSG 64 |
43 | ||
44 | #define MAX_HBAEVT 32 | |
45 | ||
875fbdfe JSEC |
46 | enum lpfc_polling_flags { |
47 | ENABLE_FCP_RING_POLLING = 0x1, | |
48 | DISABLE_FCP_RING_INT = 0x2 | |
49 | }; | |
50 | ||
dea3101e JB |
51 | /* Provide DMA memory definitions the driver uses per port instance. */ |
52 | struct lpfc_dmabuf { | |
53 | struct list_head list; | |
54 | void *virt; /* virtual address ptr */ | |
55 | dma_addr_t phys; /* mapped address */ | |
56 | }; | |
57 | ||
58 | struct lpfc_dma_pool { | |
59 | struct lpfc_dmabuf *elements; | |
60 | uint32_t max_count; | |
61 | uint32_t current_count; | |
62 | }; | |
63 | ||
64 | /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ | |
65 | #define MEM_PRI 0x100 | |
66 | ||
67 | ||
68 | /****************************************************************************/ | |
69 | /* Device VPD save area */ | |
70 | /****************************************************************************/ | |
71 | typedef struct lpfc_vpd { | |
72 | uint32_t status; /* vpd status value */ | |
73 | uint32_t length; /* number of bytes actually returned */ | |
74 | struct { | |
75 | uint32_t rsvd1; /* Revision numbers */ | |
76 | uint32_t biuRev; | |
77 | uint32_t smRev; | |
78 | uint32_t smFwRev; | |
79 | uint32_t endecRev; | |
80 | uint16_t rBit; | |
81 | uint8_t fcphHigh; | |
82 | uint8_t fcphLow; | |
83 | uint8_t feaLevelHigh; | |
84 | uint8_t feaLevelLow; | |
85 | uint32_t postKernRev; | |
86 | uint32_t opFwRev; | |
87 | uint8_t opFwName[16]; | |
88 | uint32_t sli1FwRev; | |
89 | uint8_t sli1FwName[16]; | |
90 | uint32_t sli2FwRev; | |
91 | uint8_t sli2FwName[16]; | |
92 | } rev; | |
93 | } lpfc_vpd_t; | |
94 | ||
95 | struct lpfc_scsi_buf; | |
96 | ||
97 | ||
98 | /* | |
99 | * lpfc stat counters | |
100 | */ | |
101 | struct lpfc_stats { | |
102 | /* Statistics for ELS commands */ | |
103 | uint32_t elsLogiCol; | |
104 | uint32_t elsRetryExceeded; | |
105 | uint32_t elsXmitRetry; | |
106 | uint32_t elsDelayRetry; | |
107 | uint32_t elsRcvDrop; | |
108 | uint32_t elsRcvFrame; | |
109 | uint32_t elsRcvRSCN; | |
110 | uint32_t elsRcvRNID; | |
111 | uint32_t elsRcvFARP; | |
112 | uint32_t elsRcvFARPR; | |
113 | uint32_t elsRcvFLOGI; | |
114 | uint32_t elsRcvPLOGI; | |
115 | uint32_t elsRcvADISC; | |
116 | uint32_t elsRcvPDISC; | |
117 | uint32_t elsRcvFAN; | |
118 | uint32_t elsRcvLOGO; | |
119 | uint32_t elsRcvPRLO; | |
120 | uint32_t elsRcvPRLI; | |
7bb3b137 JW |
121 | uint32_t elsRcvLIRR; |
122 | uint32_t elsRcvRPS; | |
123 | uint32_t elsRcvRPL; | |
dea3101e JB |
124 | uint32_t elsXmitFLOGI; |
125 | uint32_t elsXmitPLOGI; | |
126 | uint32_t elsXmitPRLI; | |
127 | uint32_t elsXmitADISC; | |
128 | uint32_t elsXmitLOGO; | |
129 | uint32_t elsXmitSCR; | |
130 | uint32_t elsXmitRNID; | |
131 | uint32_t elsXmitFARP; | |
132 | uint32_t elsXmitFARPR; | |
133 | uint32_t elsXmitACC; | |
134 | uint32_t elsXmitLSRJT; | |
135 | ||
136 | uint32_t frameRcvBcast; | |
137 | uint32_t frameRcvMulti; | |
138 | uint32_t strayXmitCmpl; | |
139 | uint32_t frameXmitDelay; | |
140 | uint32_t xriCmdCmpl; | |
141 | uint32_t xriStatErr; | |
142 | uint32_t LinkUp; | |
143 | uint32_t LinkDown; | |
144 | uint32_t LinkMultiEvent; | |
145 | uint32_t NoRcvBuf; | |
146 | uint32_t fcpCmd; | |
147 | uint32_t fcpCmpl; | |
148 | uint32_t fcpRspErr; | |
149 | uint32_t fcpRemoteStop; | |
150 | uint32_t fcpPortRjt; | |
151 | uint32_t fcpPortBusy; | |
152 | uint32_t fcpError; | |
153 | uint32_t fcpLocalErr; | |
154 | }; | |
155 | ||
156 | enum sysfs_mbox_state { | |
157 | SMBOX_IDLE, | |
158 | SMBOX_WRITING, | |
159 | SMBOX_READING | |
160 | }; | |
161 | ||
162 | struct lpfc_sysfs_mbox { | |
163 | enum sysfs_mbox_state state; | |
164 | size_t offset; | |
165 | struct lpfcMboxq * mbox; | |
166 | }; | |
167 | ||
168 | struct lpfc_hba { | |
dea3101e JB |
169 | struct lpfc_sli sli; |
170 | struct lpfc_sli2_slim *slim2p; | |
171 | dma_addr_t slim2p_mapping; | |
172 | uint16_t pci_cfg_value; | |
173 | ||
41415862 JW |
174 | int32_t hba_state; |
175 | ||
176 | #define LPFC_STATE_UNKNOWN 0 /* HBA state is unknown */ | |
177 | #define LPFC_WARM_START 1 /* HBA state after selective reset */ | |
178 | #define LPFC_INIT_START 2 /* Initial state after board reset */ | |
179 | #define LPFC_INIT_MBX_CMDS 3 /* Initialize HBA with mbox commands */ | |
180 | #define LPFC_LINK_DOWN 4 /* HBA initialized, link is down */ | |
181 | #define LPFC_LINK_UP 5 /* Link is up - issue READ_LA */ | |
182 | #define LPFC_LOCAL_CFG_LINK 6 /* local NPORT Id configured */ | |
183 | #define LPFC_FLOGI 7 /* FLOGI sent to Fabric */ | |
184 | #define LPFC_FABRIC_CFG_LINK 8 /* Fabric assigned NPORT Id | |
dea3101e | 185 | configured */ |
41415862 JW |
186 | #define LPFC_NS_REG 9 /* Register with NameServer */ |
187 | #define LPFC_NS_QRY 10 /* Query NameServer for NPort ID list */ | |
188 | #define LPFC_BUILD_DISC_LIST 11 /* Build ADISC and PLOGI lists for | |
dea3101e | 189 | * device authentication / discovery */ |
41415862 JW |
190 | #define LPFC_DISC_AUTH 12 /* Processing ADISC list */ |
191 | #define LPFC_CLEAR_LA 13 /* authentication cmplt - issue | |
dea3101e JB |
192 | CLEAR_LA */ |
193 | #define LPFC_HBA_READY 32 | |
41415862 | 194 | #define LPFC_HBA_ERROR -1 |
dea3101e | 195 | |
9290831f | 196 | int32_t stopped; /* HBA has not been restarted since last ERATT */ |
dea3101e JB |
197 | uint8_t fc_linkspeed; /* Link speed after last READ_LA */ |
198 | ||
199 | uint32_t fc_eventTag; /* event tag for link attention */ | |
200 | uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ | |
201 | ||
202 | uint32_t num_disc_nodes; /*in addition to hba_state */ | |
203 | ||
204 | struct timer_list fc_estabtmo; /* link establishment timer */ | |
205 | struct timer_list fc_disctmo; /* Discovery rescue timer */ | |
206 | struct timer_list fc_fdmitmo; /* fdmi timer */ | |
207 | /* These fields used to be binfo */ | |
208 | struct lpfc_name fc_nodename; /* fc nodename */ | |
209 | struct lpfc_name fc_portname; /* fc portname */ | |
210 | uint32_t fc_pref_DID; /* preferred D_ID */ | |
211 | uint8_t fc_pref_ALPA; /* preferred AL_PA */ | |
212 | uint32_t fc_edtov; /* E_D_TOV timer value */ | |
213 | uint32_t fc_arbtov; /* ARB_TOV timer value */ | |
214 | uint32_t fc_ratov; /* R_A_TOV timer value */ | |
215 | uint32_t fc_rttov; /* R_T_TOV timer value */ | |
216 | uint32_t fc_altov; /* AL_TOV timer value */ | |
217 | uint32_t fc_crtov; /* C_R_TOV timer value */ | |
218 | uint32_t fc_citov; /* C_I_TOV timer value */ | |
219 | uint32_t fc_myDID; /* fibre channel S_ID */ | |
220 | uint32_t fc_prevDID; /* previous fibre channel S_ID */ | |
221 | ||
222 | struct serv_parm fc_sparam; /* buffer for our service parameters */ | |
223 | struct serv_parm fc_fabparam; /* fabric service parameters buffer */ | |
224 | uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ | |
225 | ||
226 | uint8_t fc_ns_retry; /* retries for fabric nameserver */ | |
227 | uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ | |
228 | uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ | |
229 | struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; | |
230 | uint32_t lmt; | |
231 | uint32_t fc_flag; /* FC flags */ | |
232 | #define FC_PT2PT 0x1 /* pt2pt with no fabric */ | |
233 | #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ | |
234 | #define FC_DISC_TMO 0x4 /* Discovery timer running */ | |
235 | #define FC_PUBLIC_LOOP 0x8 /* Public loop */ | |
236 | #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ | |
237 | #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ | |
238 | #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ | |
239 | #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ | |
240 | #define FC_FABRIC 0x100 /* We are fabric attached */ | |
241 | #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */ | |
242 | #define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/ | |
46fa311e | 243 | #define FC_BLOCK_MGMT_IO 0x800 /* Don't allow mgmt mbx or iocb cmds */ |
dea3101e JB |
244 | #define FC_LOADING 0x1000 /* HBA in process of loading drvr */ |
245 | #define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */ | |
246 | #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ | |
247 | #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ | |
248 | #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ | |
c9f8735b | 249 | #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ |
5b8bd0c9 JS |
250 | #define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */ |
251 | /* This flag is set while issuing */ | |
252 | /* INIT_LINK mailbox command */ | |
ebdbe65f | 253 | #define FC_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */ |
dea3101e JB |
254 | |
255 | uint32_t fc_topology; /* link topology, from LINK INIT */ | |
256 | ||
257 | struct lpfc_stats fc_stat; | |
258 | ||
685f0bf7 | 259 | struct list_head fc_nodes; |
dea3101e JB |
260 | |
261 | /* Keep counters for the number of entries in each list. */ | |
262 | uint16_t fc_plogi_cnt; | |
263 | uint16_t fc_adisc_cnt; | |
264 | uint16_t fc_reglogin_cnt; | |
265 | uint16_t fc_prli_cnt; | |
266 | uint16_t fc_unmap_cnt; | |
267 | uint16_t fc_map_cnt; | |
268 | uint16_t fc_npr_cnt; | |
269 | uint16_t fc_unused_cnt; | |
270 | struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ | |
271 | uint32_t nport_event_cnt; /* timestamp for nlplist entry */ | |
272 | ||
dea3101e JB |
273 | uint32_t wwnn[2]; |
274 | uint32_t RandomData[7]; | |
275 | ||
276 | uint32_t cfg_log_verbose; | |
277 | uint32_t cfg_lun_queue_depth; | |
278 | uint32_t cfg_nodev_tmo; | |
c01f3208 | 279 | uint32_t cfg_devloss_tmo; |
dea3101e JB |
280 | uint32_t cfg_hba_queue_depth; |
281 | uint32_t cfg_fcp_class; | |
282 | uint32_t cfg_use_adisc; | |
283 | uint32_t cfg_ack0; | |
284 | uint32_t cfg_topology; | |
285 | uint32_t cfg_scan_down; | |
286 | uint32_t cfg_link_speed; | |
287 | uint32_t cfg_cr_delay; | |
288 | uint32_t cfg_cr_count; | |
cf5bf97e | 289 | uint32_t cfg_multi_ring_support; |
a4bc3379 JS |
290 | uint32_t cfg_multi_ring_rctl; |
291 | uint32_t cfg_multi_ring_type; | |
dea3101e | 292 | uint32_t cfg_fdmi_on; |
dea3101e JB |
293 | uint32_t cfg_discovery_threads; |
294 | uint32_t cfg_max_luns; | |
875fbdfe JSEC |
295 | uint32_t cfg_poll; |
296 | uint32_t cfg_poll_tmo; | |
4ff43246 | 297 | uint32_t cfg_use_msi; |
dea3101e JB |
298 | uint32_t cfg_sg_seg_cnt; |
299 | uint32_t cfg_sg_dma_buf_size; | |
a12e07bc | 300 | uint64_t cfg_soft_wwnn; |
c3f28afa | 301 | uint64_t cfg_soft_wwpn; |
dea3101e | 302 | |
c01f3208 JS |
303 | uint32_t dev_loss_tmo_changed; |
304 | ||
dea3101e JB |
305 | lpfc_vpd_t vpd; /* vital product data */ |
306 | ||
307 | struct Scsi_Host *host; | |
308 | struct pci_dev *pcidev; | |
309 | struct list_head work_list; | |
310 | uint32_t work_ha; /* Host Attention Bits for WT */ | |
311 | uint32_t work_ha_mask; /* HA Bits owned by WT */ | |
312 | uint32_t work_hs; /* HS stored in case of ERRAT */ | |
313 | uint32_t work_status[2]; /* Extra status from SLIM */ | |
314 | uint32_t work_hba_events; /* Timeout to be handled */ | |
315 | #define WORKER_DISC_TMO 0x1 /* Discovery timeout */ | |
316 | #define WORKER_ELS_TMO 0x2 /* ELS timeout */ | |
317 | #define WORKER_MBOX_TMO 0x4 /* MBOX timeout */ | |
318 | #define WORKER_FDMI_TMO 0x8 /* FDMI timeout */ | |
319 | ||
320 | wait_queue_head_t *work_wait; | |
321 | struct task_struct *worker_thread; | |
322 | ||
323 | unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ | |
324 | unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ | |
325 | void __iomem *slim_memmap_p; /* Kernel memory mapped address for | |
326 | PCI BAR0 */ | |
327 | void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for | |
328 | PCI BAR2 */ | |
329 | ||
330 | void __iomem *MBslimaddr; /* virtual address for mbox cmds */ | |
331 | void __iomem *HAregaddr; /* virtual address for host attn reg */ | |
332 | void __iomem *CAregaddr; /* virtual address for chip attn reg */ | |
333 | void __iomem *HSregaddr; /* virtual address for host status | |
334 | reg */ | |
335 | void __iomem *HCregaddr; /* virtual address for host ctl reg */ | |
336 | ||
337 | int brd_no; /* FC board number */ | |
338 | ||
339 | char SerialNumber[32]; /* adapter Serial Number */ | |
340 | char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ | |
341 | char ModelDesc[256]; /* Model Description */ | |
342 | char ModelName[80]; /* Model Name */ | |
343 | char ProgramType[256]; /* Program Type */ | |
344 | char Port[20]; /* Port No */ | |
345 | uint8_t vpd_flag; /* VPD data flag */ | |
346 | ||
347 | #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ | |
348 | #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ | |
349 | #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ | |
350 | #define VPD_PORT 0x8 /* valid vpd port data */ | |
351 | #define VPD_MASK 0xf /* mask for any vpd data */ | |
352 | ||
a12e07bc | 353 | uint8_t soft_wwn_enable; |
c3f28afa | 354 | |
875fbdfe | 355 | struct timer_list fcp_poll_timer; |
dea3101e | 356 | struct timer_list els_tmofunc; |
875fbdfe | 357 | |
dea3101e JB |
358 | /* |
359 | * stat counters | |
360 | */ | |
361 | uint64_t fc4InputRequests; | |
362 | uint64_t fc4OutputRequests; | |
363 | uint64_t fc4ControlRequests; | |
364 | ||
365 | struct lpfc_sysfs_mbox sysfs_mbox; | |
366 | ||
367 | /* fastpath list. */ | |
875fbdfe | 368 | spinlock_t scsi_buf_list_lock; |
dea3101e JB |
369 | struct list_head lpfc_scsi_buf_list; |
370 | uint32_t total_scsi_bufs; | |
371 | struct list_head lpfc_iocb_list; | |
372 | uint32_t total_iocbq_bufs; | |
373 | ||
374 | /* pci_mem_pools */ | |
375 | struct pci_pool *lpfc_scsi_dma_buf_pool; | |
376 | struct pci_pool *lpfc_mbuf_pool; | |
377 | struct lpfc_dma_pool lpfc_mbuf_safety_pool; | |
378 | ||
379 | mempool_t *mbox_mem_pool; | |
380 | mempool_t *nlp_mem_pool; | |
f888ba3c JSEC |
381 | |
382 | struct fc_host_statistics link_stats; | |
dea3101e JB |
383 | }; |
384 | ||
5b8bd0c9 JS |
385 | static inline void |
386 | lpfc_set_loopback_flag(struct lpfc_hba *phba) { | |
387 | if (phba->cfg_topology == FLAGS_LOCAL_LB) | |
388 | phba->fc_flag |= FC_LOOPBACK_MODE; | |
389 | else | |
390 | phba->fc_flag &= ~FC_LOOPBACK_MODE; | |
391 | } | |
dea3101e JB |
392 | |
393 | struct rnidrsp { | |
394 | void *buf; | |
395 | uint32_t uniqueid; | |
396 | struct list_head list; | |
397 | uint32_t data; | |
398 | }; | |
d2873e4c JS |
399 | |
400 | #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ |