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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
9413afff | 4 | * Copyright (C) 2004-2007 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 | 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 | 20 | *******************************************************************/ |
21 | ||
2e0fef85 JS |
22 | #include <scsi/scsi_host.h> |
23 | ||
dea3101e | 24 | struct lpfc_sli2_slim; |
25 | ||
e17da18e JS |
26 | #define LPFC_MAX_TARGET 256 /* max number of targets supported */ |
27 | #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els | |
28 | requests */ | |
29 | #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact | |
30 | the NameServer before giving up. */ | |
445cf4f4 | 31 | #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ |
dea3101e | 32 | #define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ |
33 | #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ | |
445cf4f4 | 34 | #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ |
dea3101e | 35 | |
92d7f7b0 JS |
36 | /* |
37 | * Following time intervals are used of adjusting SCSI device | |
38 | * queue depths when there are driver resource error or Firmware | |
39 | * resource error. | |
40 | */ | |
41 | #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */ | |
42 | #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */ | |
43 | ||
44 | /* Number of exchanges reserved for discovery to complete */ | |
45 | #define LPFC_DISC_IOCB_BUFF_COUNT 20 | |
46 | ||
858c9f6c JS |
47 | #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ |
48 | #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ | |
49 | ||
dea3101e | 50 | /* Define macros for 64 bit support */ |
51 | #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) | |
52 | #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) | |
53 | #define getPaddr(high, low) ((dma_addr_t)( \ | |
54 | (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) | |
55 | /* Provide maximum configuration definitions. */ | |
56 | #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ | |
dea3101e | 57 | #define FC_MAX_ADPTMSG 64 |
58 | ||
59 | #define MAX_HBAEVT 32 | |
60 | ||
875fbdfe JSEC |
61 | enum lpfc_polling_flags { |
62 | ENABLE_FCP_RING_POLLING = 0x1, | |
63 | DISABLE_FCP_RING_INT = 0x2 | |
64 | }; | |
65 | ||
dea3101e | 66 | /* Provide DMA memory definitions the driver uses per port instance. */ |
67 | struct lpfc_dmabuf { | |
68 | struct list_head list; | |
69 | void *virt; /* virtual address ptr */ | |
70 | dma_addr_t phys; /* mapped address */ | |
71 | }; | |
72 | ||
73 | struct lpfc_dma_pool { | |
74 | struct lpfc_dmabuf *elements; | |
75 | uint32_t max_count; | |
76 | uint32_t current_count; | |
77 | }; | |
78 | ||
ed957684 JS |
79 | struct hbq_dmabuf { |
80 | struct lpfc_dmabuf dbuf; | |
81 | uint32_t tag; | |
82 | }; | |
83 | ||
dea3101e | 84 | /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ |
85 | #define MEM_PRI 0x100 | |
86 | ||
87 | ||
88 | /****************************************************************************/ | |
89 | /* Device VPD save area */ | |
90 | /****************************************************************************/ | |
91 | typedef struct lpfc_vpd { | |
92 | uint32_t status; /* vpd status value */ | |
93 | uint32_t length; /* number of bytes actually returned */ | |
94 | struct { | |
95 | uint32_t rsvd1; /* Revision numbers */ | |
96 | uint32_t biuRev; | |
97 | uint32_t smRev; | |
98 | uint32_t smFwRev; | |
99 | uint32_t endecRev; | |
100 | uint16_t rBit; | |
101 | uint8_t fcphHigh; | |
102 | uint8_t fcphLow; | |
103 | uint8_t feaLevelHigh; | |
104 | uint8_t feaLevelLow; | |
105 | uint32_t postKernRev; | |
106 | uint32_t opFwRev; | |
107 | uint8_t opFwName[16]; | |
108 | uint32_t sli1FwRev; | |
109 | uint8_t sli1FwName[16]; | |
110 | uint32_t sli2FwRev; | |
111 | uint8_t sli2FwName[16]; | |
112 | } rev; | |
92d7f7b0 JS |
113 | struct { |
114 | #ifdef __BIG_ENDIAN_BITFIELD | |
115 | uint32_t rsvd2 :24; /* Reserved */ | |
116 | uint32_t cmv : 1; /* Configure Max VPIs */ | |
117 | uint32_t ccrp : 1; /* Config Command Ring Polling */ | |
118 | uint32_t csah : 1; /* Configure Synchronous Abort Handling */ | |
119 | uint32_t chbs : 1; /* Cofigure Host Backing store */ | |
120 | uint32_t cinb : 1; /* Enable Interrupt Notification Block */ | |
121 | uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ | |
122 | uint32_t cmx : 1; /* Configure Max XRIs */ | |
123 | uint32_t cmr : 1; /* Configure Max RPIs */ | |
124 | #else /* __LITTLE_ENDIAN */ | |
125 | uint32_t cmr : 1; /* Configure Max RPIs */ | |
126 | uint32_t cmx : 1; /* Configure Max XRIs */ | |
127 | uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ | |
128 | uint32_t cinb : 1; /* Enable Interrupt Notification Block */ | |
129 | uint32_t chbs : 1; /* Cofigure Host Backing store */ | |
130 | uint32_t csah : 1; /* Configure Synchronous Abort Handling */ | |
131 | uint32_t ccrp : 1; /* Config Command Ring Polling */ | |
132 | uint32_t cmv : 1; /* Configure Max VPIs */ | |
133 | uint32_t rsvd2 :24; /* Reserved */ | |
134 | #endif | |
135 | } sli3Feat; | |
dea3101e | 136 | } lpfc_vpd_t; |
137 | ||
138 | struct lpfc_scsi_buf; | |
139 | ||
140 | ||
141 | /* | |
142 | * lpfc stat counters | |
143 | */ | |
144 | struct lpfc_stats { | |
145 | /* Statistics for ELS commands */ | |
146 | uint32_t elsLogiCol; | |
147 | uint32_t elsRetryExceeded; | |
148 | uint32_t elsXmitRetry; | |
149 | uint32_t elsDelayRetry; | |
150 | uint32_t elsRcvDrop; | |
151 | uint32_t elsRcvFrame; | |
152 | uint32_t elsRcvRSCN; | |
153 | uint32_t elsRcvRNID; | |
154 | uint32_t elsRcvFARP; | |
155 | uint32_t elsRcvFARPR; | |
156 | uint32_t elsRcvFLOGI; | |
157 | uint32_t elsRcvPLOGI; | |
158 | uint32_t elsRcvADISC; | |
159 | uint32_t elsRcvPDISC; | |
160 | uint32_t elsRcvFAN; | |
161 | uint32_t elsRcvLOGO; | |
162 | uint32_t elsRcvPRLO; | |
163 | uint32_t elsRcvPRLI; | |
7bb3b137 JW |
164 | uint32_t elsRcvLIRR; |
165 | uint32_t elsRcvRPS; | |
166 | uint32_t elsRcvRPL; | |
dea3101e | 167 | uint32_t elsXmitFLOGI; |
92d7f7b0 | 168 | uint32_t elsXmitFDISC; |
dea3101e | 169 | uint32_t elsXmitPLOGI; |
170 | uint32_t elsXmitPRLI; | |
171 | uint32_t elsXmitADISC; | |
172 | uint32_t elsXmitLOGO; | |
173 | uint32_t elsXmitSCR; | |
174 | uint32_t elsXmitRNID; | |
175 | uint32_t elsXmitFARP; | |
176 | uint32_t elsXmitFARPR; | |
177 | uint32_t elsXmitACC; | |
178 | uint32_t elsXmitLSRJT; | |
179 | ||
180 | uint32_t frameRcvBcast; | |
181 | uint32_t frameRcvMulti; | |
182 | uint32_t strayXmitCmpl; | |
183 | uint32_t frameXmitDelay; | |
184 | uint32_t xriCmdCmpl; | |
185 | uint32_t xriStatErr; | |
186 | uint32_t LinkUp; | |
187 | uint32_t LinkDown; | |
188 | uint32_t LinkMultiEvent; | |
189 | uint32_t NoRcvBuf; | |
190 | uint32_t fcpCmd; | |
191 | uint32_t fcpCmpl; | |
192 | uint32_t fcpRspErr; | |
193 | uint32_t fcpRemoteStop; | |
194 | uint32_t fcpPortRjt; | |
195 | uint32_t fcpPortBusy; | |
196 | uint32_t fcpError; | |
197 | uint32_t fcpLocalErr; | |
198 | }; | |
199 | ||
200 | enum sysfs_mbox_state { | |
201 | SMBOX_IDLE, | |
202 | SMBOX_WRITING, | |
203 | SMBOX_READING | |
204 | }; | |
205 | ||
206 | struct lpfc_sysfs_mbox { | |
207 | enum sysfs_mbox_state state; | |
208 | size_t offset; | |
209 | struct lpfcMboxq * mbox; | |
210 | }; | |
211 | ||
2e0fef85 JS |
212 | struct lpfc_hba; |
213 | ||
92d7f7b0 | 214 | |
2e0fef85 | 215 | enum discovery_state { |
92d7f7b0 JS |
216 | LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ |
217 | LPFC_VPORT_FAILED = 1, /* vport has failed */ | |
218 | LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ | |
219 | LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ | |
220 | LPFC_FDISC = 8, /* FDISC sent for vport */ | |
221 | LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id | |
222 | * configured */ | |
223 | LPFC_NS_REG = 10, /* Register with NameServer */ | |
224 | LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ | |
225 | LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for | |
226 | * device authentication / discovery */ | |
227 | LPFC_DISC_AUTH = 13, /* Processing ADISC list */ | |
228 | LPFC_VPORT_READY = 32, | |
2e0fef85 JS |
229 | }; |
230 | ||
231 | enum hba_state { | |
232 | LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ | |
233 | LPFC_WARM_START = 1, /* HBA state after selective reset */ | |
234 | LPFC_INIT_START = 2, /* Initial state after board reset */ | |
235 | LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ | |
236 | LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ | |
237 | LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ | |
92d7f7b0 | 238 | LPFC_CLEAR_LA = 6, /* authentication cmplt - issue |
2e0fef85 | 239 | * CLEAR_LA */ |
92d7f7b0 | 240 | LPFC_HBA_READY = 32, |
2e0fef85 JS |
241 | LPFC_HBA_ERROR = -1 |
242 | }; | |
243 | ||
244 | struct lpfc_vport { | |
245 | struct list_head listentry; | |
246 | struct lpfc_hba *phba; | |
247 | uint8_t port_type; | |
248 | #define LPFC_PHYSICAL_PORT 1 | |
249 | #define LPFC_NPIV_PORT 2 | |
250 | #define LPFC_FABRIC_PORT 3 | |
251 | enum discovery_state port_state; | |
252 | ||
92d7f7b0 | 253 | uint16_t vpi; |
2e0fef85 JS |
254 | |
255 | uint32_t fc_flag; /* FC flags */ | |
256 | /* Several of these flags are HBA centric and should be moved to | |
257 | * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) | |
258 | */ | |
92d7f7b0 JS |
259 | #define FC_PT2PT 0x1 /* pt2pt with no fabric */ |
260 | #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ | |
261 | #define FC_DISC_TMO 0x4 /* Discovery timer running */ | |
262 | #define FC_PUBLIC_LOOP 0x8 /* Public loop */ | |
263 | #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ | |
264 | #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ | |
265 | #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ | |
266 | #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ | |
267 | #define FC_FABRIC 0x100 /* We are fabric attached */ | |
268 | #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */ | |
269 | #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ | |
270 | #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ | |
271 | #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ | |
272 | #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ | |
273 | #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ | |
274 | #define FC_RFF_NOT_SUPPORTED 0x40000 /* RFF_ID was rejected by switch */ | |
275 | #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ | |
276 | #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ | |
2e0fef85 JS |
277 | |
278 | struct list_head fc_nodes; | |
279 | ||
280 | /* Keep counters for the number of entries in each list. */ | |
281 | uint16_t fc_plogi_cnt; | |
282 | uint16_t fc_adisc_cnt; | |
283 | uint16_t fc_reglogin_cnt; | |
284 | uint16_t fc_prli_cnt; | |
285 | uint16_t fc_unmap_cnt; | |
286 | uint16_t fc_map_cnt; | |
287 | uint16_t fc_npr_cnt; | |
288 | uint16_t fc_unused_cnt; | |
289 | struct serv_parm fc_sparam; /* buffer for our service parameters */ | |
290 | ||
291 | uint32_t fc_myDID; /* fibre channel S_ID */ | |
292 | uint32_t fc_prevDID; /* previous fibre channel S_ID */ | |
293 | ||
294 | int32_t stopped; /* HBA has not been restarted since last ERATT */ | |
295 | uint8_t fc_linkspeed; /* Link speed after last READ_LA */ | |
296 | ||
297 | uint32_t num_disc_nodes; /*in addition to hba_state */ | |
298 | ||
299 | uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ | |
300 | uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ | |
301 | struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; | |
302 | struct lpfc_name fc_nodename; /* fc nodename */ | |
303 | struct lpfc_name fc_portname; /* fc portname */ | |
304 | ||
305 | struct lpfc_work_evt disc_timeout_evt; | |
306 | ||
307 | struct timer_list fc_disctmo; /* Discovery rescue timer */ | |
308 | uint8_t fc_ns_retry; /* retries for fabric nameserver */ | |
309 | uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ | |
310 | ||
311 | spinlock_t work_port_lock; | |
312 | uint32_t work_port_events; /* Timeout to be handled */ | |
858c9f6c JS |
313 | #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ |
314 | #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ | |
315 | #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ | |
316 | ||
317 | #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ | |
318 | #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ | |
319 | #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timout */ | |
320 | #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ | |
321 | #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ | |
2e0fef85 JS |
322 | |
323 | struct timer_list fc_fdmitmo; | |
324 | struct timer_list els_tmofunc; | |
325 | ||
326 | int unreg_vpi_cmpl; | |
327 | ||
328 | uint8_t load_flag; | |
329 | #define FC_LOADING 0x1 /* HBA in process of loading drvr */ | |
330 | #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ | |
92d7f7b0 JS |
331 | char *vname; /* Application assigned name */ |
332 | struct fc_vport *fc_vport; | |
858c9f6c JS |
333 | |
334 | #ifdef CONFIG_LPFC_DEBUG_FS | |
335 | struct dentry *debug_disc_trc; | |
336 | struct dentry *debug_nodelist; | |
337 | struct dentry *vport_debugfs_root; | |
a58cbd52 | 338 | struct lpfc_debugfs_trc *disc_trc; |
858c9f6c JS |
339 | atomic_t disc_trc_cnt; |
340 | #endif | |
3de2a653 JS |
341 | /* Vport Config Parameters */ |
342 | uint32_t cfg_scan_down; | |
343 | uint32_t cfg_lun_queue_depth; | |
344 | uint32_t cfg_nodev_tmo; | |
345 | uint32_t cfg_devloss_tmo; | |
346 | uint32_t cfg_restrict_login; | |
347 | uint32_t cfg_peer_port_login; | |
348 | uint32_t cfg_fcp_class; | |
349 | uint32_t cfg_use_adisc; | |
350 | uint32_t cfg_fdmi_on; | |
351 | uint32_t cfg_discovery_threads; | |
e8b62011 | 352 | uint32_t cfg_log_verbose; |
3de2a653 JS |
353 | uint32_t cfg_max_luns; |
354 | ||
355 | uint32_t dev_loss_tmo_changed; | |
2e0fef85 JS |
356 | }; |
357 | ||
ed957684 JS |
358 | struct hbq_s { |
359 | uint16_t entry_count; /* Current number of HBQ slots */ | |
360 | uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ | |
361 | uint32_t hbqPutIdx; /* HBQ slot to use */ | |
362 | uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ | |
363 | }; | |
364 | ||
92d7f7b0 JS |
365 | #define LPFC_MAX_HBQS 16 |
366 | /* this matches the possition in the lpfc_hbq_defs array */ | |
367 | #define LPFC_ELS_HBQ 0 | |
ed957684 | 368 | |
dea3101e | 369 | struct lpfc_hba { |
dea3101e | 370 | struct lpfc_sli sli; |
ed957684 JS |
371 | uint32_t sli_rev; /* SLI2 or SLI3 */ |
372 | uint32_t sli3_options; /* Mask of enabled SLI3 options */ | |
92d7f7b0 JS |
373 | #define LPFC_SLI3_ENABLED 0x01 |
374 | #define LPFC_SLI3_HBQ_ENABLED 0x02 | |
375 | #define LPFC_SLI3_NPIV_ENABLED 0x04 | |
376 | #define LPFC_SLI3_VPORT_TEARDOWN 0x08 | |
ed957684 JS |
377 | uint32_t iocb_cmd_size; |
378 | uint32_t iocb_rsp_size; | |
2e0fef85 JS |
379 | |
380 | enum hba_state link_state; | |
381 | uint32_t link_flag; /* link state flags */ | |
92d7f7b0 | 382 | #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ |
2e0fef85 JS |
383 | /* This flag is set while issuing */ |
384 | /* INIT_LINK mailbox command */ | |
92d7f7b0 JS |
385 | #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ |
386 | #define LS_IGNORE_ERATT 0x3 /* intr handler should ignore ERATT */ | |
2e0fef85 | 387 | |
dea3101e | 388 | struct lpfc_sli2_slim *slim2p; |
2e0fef85 JS |
389 | struct lpfc_dmabuf hbqslimp; |
390 | ||
dea3101e | 391 | dma_addr_t slim2p_mapping; |
2e0fef85 | 392 | |
dea3101e | 393 | uint16_t pci_cfg_value; |
394 | ||
92d7f7b0 JS |
395 | uint8_t work_found; |
396 | #define LPFC_MAX_WORKER_ITERATION 4 | |
dea3101e | 397 | |
398 | uint8_t fc_linkspeed; /* Link speed after last READ_LA */ | |
399 | ||
400 | uint32_t fc_eventTag; /* event tag for link attention */ | |
dea3101e | 401 | |
dea3101e | 402 | |
403 | struct timer_list fc_estabtmo; /* link establishment timer */ | |
dea3101e | 404 | /* These fields used to be binfo */ |
dea3101e | 405 | uint32_t fc_pref_DID; /* preferred D_ID */ |
92d7f7b0 | 406 | uint8_t fc_pref_ALPA; /* preferred AL_PA */ |
dea3101e | 407 | uint32_t fc_edtov; /* E_D_TOV timer value */ |
408 | uint32_t fc_arbtov; /* ARB_TOV timer value */ | |
409 | uint32_t fc_ratov; /* R_A_TOV timer value */ | |
410 | uint32_t fc_rttov; /* R_T_TOV timer value */ | |
411 | uint32_t fc_altov; /* AL_TOV timer value */ | |
412 | uint32_t fc_crtov; /* C_R_TOV timer value */ | |
413 | uint32_t fc_citov; /* C_I_TOV timer value */ | |
dea3101e | 414 | |
dea3101e | 415 | struct serv_parm fc_fabparam; /* fabric service parameters buffer */ |
416 | uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ | |
417 | ||
dea3101e | 418 | uint32_t lmt; |
dea3101e | 419 | |
420 | uint32_t fc_topology; /* link topology, from LINK INIT */ | |
421 | ||
422 | struct lpfc_stats fc_stat; | |
423 | ||
dea3101e | 424 | struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ |
425 | uint32_t nport_event_cnt; /* timestamp for nlplist entry */ | |
426 | ||
2e0fef85 JS |
427 | uint8_t wwnn[8]; |
428 | uint8_t wwpn[8]; | |
dea3101e | 429 | uint32_t RandomData[7]; |
430 | ||
3de2a653 | 431 | /* HBA Config Parameters */ |
dea3101e | 432 | uint32_t cfg_ack0; |
3de2a653 | 433 | uint32_t cfg_npiv_enable; |
dea3101e | 434 | uint32_t cfg_topology; |
dea3101e | 435 | uint32_t cfg_link_speed; |
436 | uint32_t cfg_cr_delay; | |
437 | uint32_t cfg_cr_count; | |
cf5bf97e | 438 | uint32_t cfg_multi_ring_support; |
a4bc3379 JS |
439 | uint32_t cfg_multi_ring_rctl; |
440 | uint32_t cfg_multi_ring_type; | |
875fbdfe JSEC |
441 | uint32_t cfg_poll; |
442 | uint32_t cfg_poll_tmo; | |
4ff43246 | 443 | uint32_t cfg_use_msi; |
dea3101e | 444 | uint32_t cfg_sg_seg_cnt; |
445 | uint32_t cfg_sg_dma_buf_size; | |
a12e07bc | 446 | uint64_t cfg_soft_wwnn; |
c3f28afa | 447 | uint64_t cfg_soft_wwpn; |
3de2a653 | 448 | uint32_t cfg_hba_queue_depth; |
dea3101e | 449 | |
c01f3208 | 450 | |
dea3101e | 451 | lpfc_vpd_t vpd; /* vital product data */ |
452 | ||
dea3101e | 453 | struct pci_dev *pcidev; |
454 | struct list_head work_list; | |
455 | uint32_t work_ha; /* Host Attention Bits for WT */ | |
456 | uint32_t work_ha_mask; /* HA Bits owned by WT */ | |
457 | uint32_t work_hs; /* HS stored in case of ERRAT */ | |
458 | uint32_t work_status[2]; /* Extra status from SLIM */ | |
dea3101e | 459 | |
460 | wait_queue_head_t *work_wait; | |
461 | struct task_struct *worker_thread; | |
462 | ||
92d7f7b0 | 463 | struct list_head hbq_buffer_list; |
ed957684 | 464 | uint32_t hbq_count; /* Count of configured HBQs */ |
92d7f7b0 | 465 | struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ |
ed957684 | 466 | |
dea3101e | 467 | unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ |
468 | unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ | |
469 | void __iomem *slim_memmap_p; /* Kernel memory mapped address for | |
470 | PCI BAR0 */ | |
471 | void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for | |
472 | PCI BAR2 */ | |
473 | ||
474 | void __iomem *MBslimaddr; /* virtual address for mbox cmds */ | |
475 | void __iomem *HAregaddr; /* virtual address for host attn reg */ | |
476 | void __iomem *CAregaddr; /* virtual address for chip attn reg */ | |
477 | void __iomem *HSregaddr; /* virtual address for host status | |
478 | reg */ | |
479 | void __iomem *HCregaddr; /* virtual address for host ctl reg */ | |
480 | ||
ed957684 JS |
481 | struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ |
482 | uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ | |
92d7f7b0 | 483 | uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ |
ed957684 | 484 | |
dea3101e | 485 | int brd_no; /* FC board number */ |
486 | ||
487 | char SerialNumber[32]; /* adapter Serial Number */ | |
488 | char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ | |
489 | char ModelDesc[256]; /* Model Description */ | |
490 | char ModelName[80]; /* Model Name */ | |
491 | char ProgramType[256]; /* Program Type */ | |
492 | char Port[20]; /* Port No */ | |
493 | uint8_t vpd_flag; /* VPD data flag */ | |
494 | ||
495 | #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ | |
496 | #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ | |
497 | #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ | |
498 | #define VPD_PORT 0x8 /* valid vpd port data */ | |
499 | #define VPD_MASK 0xf /* mask for any vpd data */ | |
500 | ||
a12e07bc | 501 | uint8_t soft_wwn_enable; |
c3f28afa | 502 | |
875fbdfe | 503 | struct timer_list fcp_poll_timer; |
875fbdfe | 504 | |
dea3101e | 505 | /* |
506 | * stat counters | |
507 | */ | |
508 | uint64_t fc4InputRequests; | |
509 | uint64_t fc4OutputRequests; | |
510 | uint64_t fc4ControlRequests; | |
511 | ||
512 | struct lpfc_sysfs_mbox sysfs_mbox; | |
513 | ||
514 | /* fastpath list. */ | |
875fbdfe | 515 | spinlock_t scsi_buf_list_lock; |
dea3101e | 516 | struct list_head lpfc_scsi_buf_list; |
517 | uint32_t total_scsi_bufs; | |
518 | struct list_head lpfc_iocb_list; | |
519 | uint32_t total_iocbq_bufs; | |
2e0fef85 | 520 | spinlock_t hbalock; |
dea3101e | 521 | |
522 | /* pci_mem_pools */ | |
523 | struct pci_pool *lpfc_scsi_dma_buf_pool; | |
524 | struct pci_pool *lpfc_mbuf_pool; | |
ed957684 | 525 | struct pci_pool *lpfc_hbq_pool; |
dea3101e | 526 | struct lpfc_dma_pool lpfc_mbuf_safety_pool; |
527 | ||
528 | mempool_t *mbox_mem_pool; | |
529 | mempool_t *nlp_mem_pool; | |
f888ba3c JSEC |
530 | |
531 | struct fc_host_statistics link_stats; | |
858c9f6c | 532 | |
2e0fef85 | 533 | struct list_head port_list; |
549e55cd JS |
534 | struct lpfc_vport *pport; /* physical lpfc_vport pointer */ |
535 | uint16_t max_vpi; /* Maximum virtual nports */ | |
536 | #define LPFC_MAX_VPI 100 /* Max number of VPI supported */ | |
537 | #define LPFC_MAX_VPORTS (LPFC_MAX_VPI+1)/* Max number of VPorts supported */ | |
538 | unsigned long *vpi_bmask; /* vpi allocation table */ | |
92d7f7b0 JS |
539 | |
540 | /* Data structure used by fabric iocb scheduler */ | |
541 | struct list_head fabric_iocb_list; | |
542 | atomic_t fabric_iocb_count; | |
543 | struct timer_list fabric_block_timer; | |
544 | unsigned long bit_flags; | |
545 | #define FABRIC_COMANDS_BLOCKED 0 | |
546 | atomic_t num_rsrc_err; | |
547 | atomic_t num_cmd_success; | |
548 | unsigned long last_rsrc_error_time; | |
549 | unsigned long last_ramp_down_time; | |
550 | unsigned long last_ramp_up_time; | |
858c9f6c JS |
551 | #ifdef CONFIG_LPFC_DEBUG_FS |
552 | struct dentry *hba_debugfs_root; | |
553 | atomic_t debugfs_vport_count; | |
a58cbd52 JS |
554 | struct dentry *debug_dumpslim; |
555 | struct dentry *debug_slow_ring_trc; | |
556 | struct lpfc_debugfs_trc *slow_ring_trc; | |
557 | atomic_t slow_ring_trc_cnt; | |
858c9f6c JS |
558 | #endif |
559 | ||
560 | /* Fields used for heart beat. */ | |
561 | unsigned long last_completion_time; | |
562 | struct timer_list hb_tmofunc; | |
563 | uint8_t hb_outstanding; | |
dea3101e | 564 | }; |
565 | ||
2e0fef85 JS |
566 | static inline struct Scsi_Host * |
567 | lpfc_shost_from_vport(struct lpfc_vport *vport) | |
568 | { | |
569 | return container_of((void *) vport, struct Scsi_Host, hostdata[0]); | |
570 | } | |
571 | ||
5b8bd0c9 | 572 | static inline void |
2e0fef85 JS |
573 | lpfc_set_loopback_flag(struct lpfc_hba *phba) |
574 | { | |
5b8bd0c9 | 575 | if (phba->cfg_topology == FLAGS_LOCAL_LB) |
2e0fef85 | 576 | phba->link_flag |= LS_LOOPBACK_MODE; |
5b8bd0c9 | 577 | else |
2e0fef85 JS |
578 | phba->link_flag &= ~LS_LOOPBACK_MODE; |
579 | } | |
580 | ||
581 | static inline int | |
582 | lpfc_is_link_up(struct lpfc_hba *phba) | |
583 | { | |
584 | return phba->link_state == LPFC_LINK_UP || | |
92d7f7b0 JS |
585 | phba->link_state == LPFC_CLEAR_LA || |
586 | phba->link_state == LPFC_HBA_READY; | |
5b8bd0c9 | 587 | } |
dea3101e | 588 | |
d2873e4c | 589 | #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ |
2e0fef85 | 590 |