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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. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 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 | ||
3772a991 JS |
26 | #define LPFC_PCI_DEV_LP 0x1 |
27 | #define LPFC_PCI_DEV_OC 0x2 | |
28 | ||
29 | #define LPFC_SLI_REV2 2 | |
30 | #define LPFC_SLI_REV3 3 | |
31 | #define LPFC_SLI_REV4 4 | |
32 | ||
97eab634 | 33 | #define LPFC_MAX_TARGET 4096 /* max number of targets supported */ |
e17da18e JS |
34 | #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els |
35 | requests */ | |
36 | #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact | |
37 | the NameServer before giving up. */ | |
445cf4f4 | 38 | #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ |
81301a9b JS |
39 | #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ |
40 | #define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */ | |
41 | #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */ | |
42 | #define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/ | |
dea3101e | 43 | #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ |
445cf4f4 | 44 | #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ |
495a714c | 45 | #define LPFC_VNAME_LEN 100 /* vport symbolic name length */ |
977b5a0a JS |
46 | #define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt |
47 | queue depth change in millisecs */ | |
48 | #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */ | |
49 | #define LPFC_MIN_TGT_QDEPTH 100 | |
50 | #define LPFC_MAX_TGT_QDEPTH 0xFFFF | |
dea3101e | 51 | |
ea2151b4 JS |
52 | #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data |
53 | collection. */ | |
92d7f7b0 JS |
54 | /* |
55 | * Following time intervals are used of adjusting SCSI device | |
56 | * queue depths when there are driver resource error or Firmware | |
57 | * resource error. | |
58 | */ | |
59 | #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */ | |
60 | #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */ | |
61 | ||
62 | /* Number of exchanges reserved for discovery to complete */ | |
63 | #define LPFC_DISC_IOCB_BUFF_COUNT 20 | |
64 | ||
858c9f6c | 65 | #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ |
311464ec | 66 | #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ |
858c9f6c | 67 | |
9399627f JS |
68 | /* Error Attention event polling interval */ |
69 | #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */ | |
70 | ||
dea3101e | 71 | /* Define macros for 64 bit support */ |
72 | #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) | |
73 | #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) | |
74 | #define getPaddr(high, low) ((dma_addr_t)( \ | |
75 | (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) | |
76 | /* Provide maximum configuration definitions. */ | |
77 | #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ | |
dea3101e | 78 | #define FC_MAX_ADPTMSG 64 |
79 | ||
80 | #define MAX_HBAEVT 32 | |
81 | ||
9399627f JS |
82 | /* Number of MSI-X vectors the driver uses */ |
83 | #define LPFC_MSIX_VECTORS 2 | |
84 | ||
5e9d9b82 JS |
85 | /* lpfc wait event data ready flag */ |
86 | #define LPFC_DATA_READY (1<<0) | |
87 | ||
875fbdfe JSEC |
88 | enum lpfc_polling_flags { |
89 | ENABLE_FCP_RING_POLLING = 0x1, | |
90 | DISABLE_FCP_RING_INT = 0x2 | |
91 | }; | |
92 | ||
dea3101e | 93 | /* Provide DMA memory definitions the driver uses per port instance. */ |
94 | struct lpfc_dmabuf { | |
95 | struct list_head list; | |
96 | void *virt; /* virtual address ptr */ | |
97 | dma_addr_t phys; /* mapped address */ | |
76bb24ef | 98 | uint32_t buffer_tag; /* used for tagged queue ring */ |
dea3101e | 99 | }; |
100 | ||
101 | struct lpfc_dma_pool { | |
102 | struct lpfc_dmabuf *elements; | |
103 | uint32_t max_count; | |
104 | uint32_t current_count; | |
105 | }; | |
106 | ||
ed957684 | 107 | struct hbq_dmabuf { |
da0436e9 | 108 | struct lpfc_dmabuf hbuf; |
ed957684 | 109 | struct lpfc_dmabuf dbuf; |
51ef4c26 | 110 | uint32_t size; |
ed957684 | 111 | uint32_t tag; |
da0436e9 | 112 | struct lpfc_rcqe rcqe; |
ed957684 JS |
113 | }; |
114 | ||
dea3101e | 115 | /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ |
116 | #define MEM_PRI 0x100 | |
117 | ||
118 | ||
119 | /****************************************************************************/ | |
120 | /* Device VPD save area */ | |
121 | /****************************************************************************/ | |
122 | typedef struct lpfc_vpd { | |
123 | uint32_t status; /* vpd status value */ | |
124 | uint32_t length; /* number of bytes actually returned */ | |
125 | struct { | |
126 | uint32_t rsvd1; /* Revision numbers */ | |
127 | uint32_t biuRev; | |
128 | uint32_t smRev; | |
129 | uint32_t smFwRev; | |
130 | uint32_t endecRev; | |
131 | uint16_t rBit; | |
132 | uint8_t fcphHigh; | |
133 | uint8_t fcphLow; | |
134 | uint8_t feaLevelHigh; | |
135 | uint8_t feaLevelLow; | |
136 | uint32_t postKernRev; | |
137 | uint32_t opFwRev; | |
138 | uint8_t opFwName[16]; | |
139 | uint32_t sli1FwRev; | |
140 | uint8_t sli1FwName[16]; | |
141 | uint32_t sli2FwRev; | |
142 | uint8_t sli2FwName[16]; | |
143 | } rev; | |
92d7f7b0 JS |
144 | struct { |
145 | #ifdef __BIG_ENDIAN_BITFIELD | |
da0436e9 JS |
146 | uint32_t rsvd3 :19; /* Reserved */ |
147 | uint32_t cdss : 1; /* Configure Data Security SLI */ | |
148 | uint32_t rsvd2 : 3; /* Reserved */ | |
149 | uint32_t cbg : 1; /* Configure BlockGuard */ | |
92d7f7b0 JS |
150 | uint32_t cmv : 1; /* Configure Max VPIs */ |
151 | uint32_t ccrp : 1; /* Config Command Ring Polling */ | |
152 | uint32_t csah : 1; /* Configure Synchronous Abort Handling */ | |
153 | uint32_t chbs : 1; /* Cofigure Host Backing store */ | |
154 | uint32_t cinb : 1; /* Enable Interrupt Notification Block */ | |
155 | uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ | |
156 | uint32_t cmx : 1; /* Configure Max XRIs */ | |
157 | uint32_t cmr : 1; /* Configure Max RPIs */ | |
158 | #else /* __LITTLE_ENDIAN */ | |
159 | uint32_t cmr : 1; /* Configure Max RPIs */ | |
160 | uint32_t cmx : 1; /* Configure Max XRIs */ | |
161 | uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ | |
162 | uint32_t cinb : 1; /* Enable Interrupt Notification Block */ | |
163 | uint32_t chbs : 1; /* Cofigure Host Backing store */ | |
164 | uint32_t csah : 1; /* Configure Synchronous Abort Handling */ | |
165 | uint32_t ccrp : 1; /* Config Command Ring Polling */ | |
166 | uint32_t cmv : 1; /* Configure Max VPIs */ | |
da0436e9 JS |
167 | uint32_t cbg : 1; /* Configure BlockGuard */ |
168 | uint32_t rsvd2 : 3; /* Reserved */ | |
169 | uint32_t cdss : 1; /* Configure Data Security SLI */ | |
170 | uint32_t rsvd3 :19; /* Reserved */ | |
92d7f7b0 JS |
171 | #endif |
172 | } sli3Feat; | |
dea3101e | 173 | } lpfc_vpd_t; |
174 | ||
175 | struct lpfc_scsi_buf; | |
176 | ||
177 | ||
178 | /* | |
179 | * lpfc stat counters | |
180 | */ | |
181 | struct lpfc_stats { | |
182 | /* Statistics for ELS commands */ | |
183 | uint32_t elsLogiCol; | |
184 | uint32_t elsRetryExceeded; | |
185 | uint32_t elsXmitRetry; | |
186 | uint32_t elsDelayRetry; | |
187 | uint32_t elsRcvDrop; | |
188 | uint32_t elsRcvFrame; | |
189 | uint32_t elsRcvRSCN; | |
190 | uint32_t elsRcvRNID; | |
191 | uint32_t elsRcvFARP; | |
192 | uint32_t elsRcvFARPR; | |
193 | uint32_t elsRcvFLOGI; | |
194 | uint32_t elsRcvPLOGI; | |
195 | uint32_t elsRcvADISC; | |
196 | uint32_t elsRcvPDISC; | |
197 | uint32_t elsRcvFAN; | |
198 | uint32_t elsRcvLOGO; | |
199 | uint32_t elsRcvPRLO; | |
200 | uint32_t elsRcvPRLI; | |
7bb3b137 JW |
201 | uint32_t elsRcvLIRR; |
202 | uint32_t elsRcvRPS; | |
203 | uint32_t elsRcvRPL; | |
dea3101e | 204 | uint32_t elsXmitFLOGI; |
92d7f7b0 | 205 | uint32_t elsXmitFDISC; |
dea3101e | 206 | uint32_t elsXmitPLOGI; |
207 | uint32_t elsXmitPRLI; | |
208 | uint32_t elsXmitADISC; | |
209 | uint32_t elsXmitLOGO; | |
210 | uint32_t elsXmitSCR; | |
211 | uint32_t elsXmitRNID; | |
212 | uint32_t elsXmitFARP; | |
213 | uint32_t elsXmitFARPR; | |
214 | uint32_t elsXmitACC; | |
215 | uint32_t elsXmitLSRJT; | |
216 | ||
217 | uint32_t frameRcvBcast; | |
218 | uint32_t frameRcvMulti; | |
219 | uint32_t strayXmitCmpl; | |
220 | uint32_t frameXmitDelay; | |
221 | uint32_t xriCmdCmpl; | |
222 | uint32_t xriStatErr; | |
223 | uint32_t LinkUp; | |
224 | uint32_t LinkDown; | |
225 | uint32_t LinkMultiEvent; | |
226 | uint32_t NoRcvBuf; | |
227 | uint32_t fcpCmd; | |
228 | uint32_t fcpCmpl; | |
229 | uint32_t fcpRspErr; | |
230 | uint32_t fcpRemoteStop; | |
231 | uint32_t fcpPortRjt; | |
232 | uint32_t fcpPortBusy; | |
233 | uint32_t fcpError; | |
234 | uint32_t fcpLocalErr; | |
235 | }; | |
236 | ||
237 | enum sysfs_mbox_state { | |
238 | SMBOX_IDLE, | |
239 | SMBOX_WRITING, | |
240 | SMBOX_READING | |
241 | }; | |
242 | ||
243 | struct lpfc_sysfs_mbox { | |
244 | enum sysfs_mbox_state state; | |
245 | size_t offset; | |
246 | struct lpfcMboxq * mbox; | |
247 | }; | |
248 | ||
2e0fef85 JS |
249 | struct lpfc_hba; |
250 | ||
92d7f7b0 | 251 | |
2e0fef85 | 252 | enum discovery_state { |
92d7f7b0 JS |
253 | LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ |
254 | LPFC_VPORT_FAILED = 1, /* vport has failed */ | |
255 | LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ | |
256 | LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ | |
257 | LPFC_FDISC = 8, /* FDISC sent for vport */ | |
258 | LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id | |
259 | * configured */ | |
260 | LPFC_NS_REG = 10, /* Register with NameServer */ | |
261 | LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ | |
262 | LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for | |
263 | * device authentication / discovery */ | |
264 | LPFC_DISC_AUTH = 13, /* Processing ADISC list */ | |
265 | LPFC_VPORT_READY = 32, | |
2e0fef85 JS |
266 | }; |
267 | ||
268 | enum hba_state { | |
269 | LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ | |
270 | LPFC_WARM_START = 1, /* HBA state after selective reset */ | |
271 | LPFC_INIT_START = 2, /* Initial state after board reset */ | |
272 | LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ | |
273 | LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ | |
274 | LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ | |
92d7f7b0 | 275 | LPFC_CLEAR_LA = 6, /* authentication cmplt - issue |
2e0fef85 | 276 | * CLEAR_LA */ |
92d7f7b0 | 277 | LPFC_HBA_READY = 32, |
2e0fef85 JS |
278 | LPFC_HBA_ERROR = -1 |
279 | }; | |
280 | ||
281 | struct lpfc_vport { | |
2e0fef85 | 282 | struct lpfc_hba *phba; |
3772a991 | 283 | struct list_head listentry; |
2e0fef85 JS |
284 | uint8_t port_type; |
285 | #define LPFC_PHYSICAL_PORT 1 | |
286 | #define LPFC_NPIV_PORT 2 | |
287 | #define LPFC_FABRIC_PORT 3 | |
288 | enum discovery_state port_state; | |
289 | ||
92d7f7b0 | 290 | uint16_t vpi; |
da0436e9 JS |
291 | uint16_t vfi; |
292 | uint8_t vfi_state; | |
293 | #define LPFC_VFI_REGISTERED 0x1 | |
2e0fef85 JS |
294 | |
295 | uint32_t fc_flag; /* FC flags */ | |
296 | /* Several of these flags are HBA centric and should be moved to | |
297 | * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) | |
298 | */ | |
92d7f7b0 JS |
299 | #define FC_PT2PT 0x1 /* pt2pt with no fabric */ |
300 | #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ | |
301 | #define FC_DISC_TMO 0x4 /* Discovery timer running */ | |
302 | #define FC_PUBLIC_LOOP 0x8 /* Public loop */ | |
303 | #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ | |
304 | #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ | |
305 | #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ | |
306 | #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ | |
307 | #define FC_FABRIC 0x100 /* We are fabric attached */ | |
92d7f7b0 JS |
308 | #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ |
309 | #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ | |
310 | #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ | |
311 | #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ | |
312 | #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ | |
92d7f7b0 JS |
313 | #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ |
314 | #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ | |
2e0fef85 | 315 | |
7ee5d43e JS |
316 | uint32_t ct_flags; |
317 | #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ | |
318 | #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ | |
319 | #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ | |
320 | #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ | |
321 | #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ | |
322 | ||
2e0fef85 JS |
323 | struct list_head fc_nodes; |
324 | ||
325 | /* Keep counters for the number of entries in each list. */ | |
326 | uint16_t fc_plogi_cnt; | |
327 | uint16_t fc_adisc_cnt; | |
328 | uint16_t fc_reglogin_cnt; | |
329 | uint16_t fc_prli_cnt; | |
330 | uint16_t fc_unmap_cnt; | |
331 | uint16_t fc_map_cnt; | |
332 | uint16_t fc_npr_cnt; | |
333 | uint16_t fc_unused_cnt; | |
334 | struct serv_parm fc_sparam; /* buffer for our service parameters */ | |
335 | ||
336 | uint32_t fc_myDID; /* fibre channel S_ID */ | |
337 | uint32_t fc_prevDID; /* previous fibre channel S_ID */ | |
338 | ||
339 | int32_t stopped; /* HBA has not been restarted since last ERATT */ | |
340 | uint8_t fc_linkspeed; /* Link speed after last READ_LA */ | |
341 | ||
342 | uint32_t num_disc_nodes; /*in addition to hba_state */ | |
343 | ||
344 | uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ | |
345 | uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ | |
7f5f3d0d | 346 | uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ |
2e0fef85 JS |
347 | struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; |
348 | struct lpfc_name fc_nodename; /* fc nodename */ | |
349 | struct lpfc_name fc_portname; /* fc portname */ | |
350 | ||
351 | struct lpfc_work_evt disc_timeout_evt; | |
352 | ||
353 | struct timer_list fc_disctmo; /* Discovery rescue timer */ | |
354 | uint8_t fc_ns_retry; /* retries for fabric nameserver */ | |
355 | uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ | |
356 | ||
357 | spinlock_t work_port_lock; | |
358 | uint32_t work_port_events; /* Timeout to be handled */ | |
858c9f6c JS |
359 | #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ |
360 | #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ | |
361 | #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ | |
362 | ||
363 | #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ | |
364 | #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ | |
b1c11812 | 365 | #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ |
858c9f6c JS |
366 | #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ |
367 | #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ | |
2e0fef85 JS |
368 | |
369 | struct timer_list fc_fdmitmo; | |
370 | struct timer_list els_tmofunc; | |
371 | ||
372 | int unreg_vpi_cmpl; | |
373 | ||
374 | uint8_t load_flag; | |
375 | #define FC_LOADING 0x1 /* HBA in process of loading drvr */ | |
376 | #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ | |
3de2a653 JS |
377 | /* Vport Config Parameters */ |
378 | uint32_t cfg_scan_down; | |
379 | uint32_t cfg_lun_queue_depth; | |
380 | uint32_t cfg_nodev_tmo; | |
381 | uint32_t cfg_devloss_tmo; | |
382 | uint32_t cfg_restrict_login; | |
383 | uint32_t cfg_peer_port_login; | |
384 | uint32_t cfg_fcp_class; | |
385 | uint32_t cfg_use_adisc; | |
386 | uint32_t cfg_fdmi_on; | |
387 | uint32_t cfg_discovery_threads; | |
e8b62011 | 388 | uint32_t cfg_log_verbose; |
3de2a653 | 389 | uint32_t cfg_max_luns; |
7ee5d43e | 390 | uint32_t cfg_enable_da_id; |
977b5a0a | 391 | uint32_t cfg_max_scsicmpl_time; |
3de2a653 JS |
392 | |
393 | uint32_t dev_loss_tmo_changed; | |
51ef4c26 JS |
394 | |
395 | struct fc_vport *fc_vport; | |
396 | ||
923e4b6a | 397 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
51ef4c26 JS |
398 | struct dentry *debug_disc_trc; |
399 | struct dentry *debug_nodelist; | |
400 | struct dentry *vport_debugfs_root; | |
401 | struct lpfc_debugfs_trc *disc_trc; | |
402 | atomic_t disc_trc_cnt; | |
403 | #endif | |
ea2151b4 JS |
404 | uint8_t stat_data_enabled; |
405 | uint8_t stat_data_blocked; | |
da0436e9 JS |
406 | struct list_head rcv_buffer_list; |
407 | uint32_t vport_flag; | |
408 | #define STATIC_VPORT 1 | |
2e0fef85 JS |
409 | }; |
410 | ||
ed957684 JS |
411 | struct hbq_s { |
412 | uint16_t entry_count; /* Current number of HBQ slots */ | |
a8adb832 | 413 | uint16_t buffer_count; /* Current number of buffers posted */ |
ed957684 JS |
414 | uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ |
415 | uint32_t hbqPutIdx; /* HBQ slot to use */ | |
416 | uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ | |
51ef4c26 JS |
417 | void *hbq_virt; /* Virtual ptr to this hbq */ |
418 | struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ | |
419 | /* Callback for HBQ buffer allocation */ | |
420 | struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); | |
421 | /* Callback for HBQ buffer free */ | |
422 | void (*hbq_free_buffer) (struct lpfc_hba *, | |
423 | struct hbq_dmabuf *); | |
ed957684 JS |
424 | }; |
425 | ||
51ef4c26 JS |
426 | #define LPFC_MAX_HBQS 4 |
427 | /* this matches the position in the lpfc_hbq_defs array */ | |
92d7f7b0 | 428 | #define LPFC_ELS_HBQ 0 |
51ef4c26 | 429 | #define LPFC_EXTRA_HBQ 1 |
ed957684 | 430 | |
7af67051 JS |
431 | enum hba_temp_state { |
432 | HBA_NORMAL_TEMP, | |
433 | HBA_OVER_TEMP | |
434 | }; | |
435 | ||
db2378e0 JS |
436 | enum intr_type_t { |
437 | NONE = 0, | |
438 | INTx, | |
439 | MSI, | |
440 | MSIX, | |
441 | }; | |
442 | ||
dea3101e | 443 | struct lpfc_hba { |
3772a991 JS |
444 | /* SCSI interface function jump table entries */ |
445 | int (*lpfc_new_scsi_buf) | |
446 | (struct lpfc_vport *, int); | |
447 | struct lpfc_scsi_buf * (*lpfc_get_scsi_buf) | |
448 | (struct lpfc_hba *); | |
449 | int (*lpfc_scsi_prep_dma_buf) | |
450 | (struct lpfc_hba *, struct lpfc_scsi_buf *); | |
451 | void (*lpfc_scsi_unprep_dma_buf) | |
452 | (struct lpfc_hba *, struct lpfc_scsi_buf *); | |
453 | void (*lpfc_release_scsi_buf) | |
454 | (struct lpfc_hba *, struct lpfc_scsi_buf *); | |
455 | void (*lpfc_rampdown_queue_depth) | |
456 | (struct lpfc_hba *); | |
457 | void (*lpfc_scsi_prep_cmnd) | |
458 | (struct lpfc_vport *, struct lpfc_scsi_buf *, | |
459 | struct lpfc_nodelist *); | |
3772a991 JS |
460 | /* IOCB interface function jump table entries */ |
461 | int (*__lpfc_sli_issue_iocb) | |
462 | (struct lpfc_hba *, uint32_t, | |
463 | struct lpfc_iocbq *, uint32_t); | |
464 | void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, | |
465 | struct lpfc_iocbq *); | |
466 | int (*lpfc_hba_down_post)(struct lpfc_hba *phba); | |
467 | ||
468 | ||
469 | IOCB_t * (*lpfc_get_iocb_from_iocbq) | |
470 | (struct lpfc_iocbq *); | |
471 | void (*lpfc_scsi_cmd_iocb_cmpl) | |
472 | (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); | |
473 | ||
474 | /* MBOX interface function jump table entries */ | |
475 | int (*lpfc_sli_issue_mbox) | |
476 | (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); | |
477 | /* Slow-path IOCB process function jump table entries */ | |
478 | void (*lpfc_sli_handle_slow_ring_event) | |
479 | (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
480 | uint32_t mask); | |
481 | /* INIT device interface function jump table entries */ | |
482 | int (*lpfc_sli_hbq_to_firmware) | |
483 | (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); | |
484 | int (*lpfc_sli_brdrestart) | |
485 | (struct lpfc_hba *); | |
486 | int (*lpfc_sli_brdready) | |
487 | (struct lpfc_hba *, uint32_t); | |
488 | void (*lpfc_handle_eratt) | |
489 | (struct lpfc_hba *); | |
490 | void (*lpfc_stop_port) | |
491 | (struct lpfc_hba *); | |
492 | ||
493 | ||
494 | /* SLI4 specific HBA data structure */ | |
495 | struct lpfc_sli4_hba sli4_hba; | |
496 | ||
dea3101e | 497 | struct lpfc_sli sli; |
3772a991 JS |
498 | uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */ |
499 | uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */ | |
ed957684 | 500 | uint32_t sli3_options; /* Mask of enabled SLI3 options */ |
34b02dcd JS |
501 | #define LPFC_SLI3_HBQ_ENABLED 0x01 |
502 | #define LPFC_SLI3_NPIV_ENABLED 0x02 | |
503 | #define LPFC_SLI3_VPORT_TEARDOWN 0x04 | |
504 | #define LPFC_SLI3_CRP_ENABLED 0x08 | |
505 | #define LPFC_SLI3_INB_ENABLED 0x10 | |
81301a9b | 506 | #define LPFC_SLI3_BG_ENABLED 0x20 |
da0436e9 | 507 | #define LPFC_SLI3_DSS_ENABLED 0x40 |
ed957684 JS |
508 | uint32_t iocb_cmd_size; |
509 | uint32_t iocb_rsp_size; | |
2e0fef85 JS |
510 | |
511 | enum hba_state link_state; | |
512 | uint32_t link_flag; /* link state flags */ | |
311464ec | 513 | #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ |
2e0fef85 JS |
514 | /* This flag is set while issuing */ |
515 | /* INIT_LINK mailbox command */ | |
92d7f7b0 | 516 | #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ |
1b32f6aa | 517 | #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ |
2e0fef85 | 518 | |
9399627f JS |
519 | uint32_t hba_flag; /* hba generic flags */ |
520 | #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ | |
da0436e9 JS |
521 | #define DEFER_ERATT 0x2 /* Deferred error attention in progress */ |
522 | #define HBA_FCOE_SUPPORT 0x4 /* HBA function supports FCOE */ | |
523 | #define HBA_RECEIVE_BUFFER 0x8 /* Rcv buffer posted to worker thread */ | |
524 | #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */ | |
525 | #define FCP_XRI_ABORT_EVENT 0x20 | |
526 | #define ELS_XRI_ABORT_EVENT 0x40 | |
527 | #define ASYNC_EVENT 0x80 | |
a0c87cbd | 528 | #define LINK_DISABLED 0x100 /* Link disabled by user */ |
32b9793f | 529 | #define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */ |
34b02dcd JS |
530 | struct lpfc_dmabuf slim2p; |
531 | ||
532 | MAILBOX_t *mbox; | |
533 | uint32_t *inb_ha_copy; | |
534 | uint32_t *inb_counter; | |
535 | uint32_t inb_last_counter; | |
9399627f | 536 | uint32_t ha_copy; |
34b02dcd JS |
537 | struct _PCB *pcb; |
538 | struct _IOCB *IOCBs; | |
2e0fef85 | 539 | |
34b02dcd | 540 | struct lpfc_dmabuf hbqslimp; |
2e0fef85 | 541 | |
dea3101e | 542 | uint16_t pci_cfg_value; |
543 | ||
dea3101e | 544 | uint8_t fc_linkspeed; /* Link speed after last READ_LA */ |
545 | ||
546 | uint32_t fc_eventTag; /* event tag for link attention */ | |
dea3101e | 547 | |
dea3101e | 548 | /* These fields used to be binfo */ |
dea3101e | 549 | uint32_t fc_pref_DID; /* preferred D_ID */ |
92d7f7b0 | 550 | uint8_t fc_pref_ALPA; /* preferred AL_PA */ |
dea3101e | 551 | uint32_t fc_edtov; /* E_D_TOV timer value */ |
552 | uint32_t fc_arbtov; /* ARB_TOV timer value */ | |
553 | uint32_t fc_ratov; /* R_A_TOV timer value */ | |
554 | uint32_t fc_rttov; /* R_T_TOV timer value */ | |
555 | uint32_t fc_altov; /* AL_TOV timer value */ | |
556 | uint32_t fc_crtov; /* C_R_TOV timer value */ | |
557 | uint32_t fc_citov; /* C_I_TOV timer value */ | |
dea3101e | 558 | |
dea3101e | 559 | struct serv_parm fc_fabparam; /* fabric service parameters buffer */ |
560 | uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ | |
561 | ||
dea3101e | 562 | uint32_t lmt; |
dea3101e | 563 | |
564 | uint32_t fc_topology; /* link topology, from LINK INIT */ | |
565 | ||
566 | struct lpfc_stats fc_stat; | |
567 | ||
dea3101e | 568 | struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ |
569 | uint32_t nport_event_cnt; /* timestamp for nlplist entry */ | |
570 | ||
2e0fef85 JS |
571 | uint8_t wwnn[8]; |
572 | uint8_t wwpn[8]; | |
dea3101e | 573 | uint32_t RandomData[7]; |
574 | ||
3de2a653 | 575 | /* HBA Config Parameters */ |
dea3101e | 576 | uint32_t cfg_ack0; |
78b2d852 | 577 | uint32_t cfg_enable_npiv; |
dea3101e | 578 | uint32_t cfg_topology; |
dea3101e | 579 | uint32_t cfg_link_speed; |
580 | uint32_t cfg_cr_delay; | |
581 | uint32_t cfg_cr_count; | |
cf5bf97e | 582 | uint32_t cfg_multi_ring_support; |
a4bc3379 JS |
583 | uint32_t cfg_multi_ring_rctl; |
584 | uint32_t cfg_multi_ring_type; | |
875fbdfe JSEC |
585 | uint32_t cfg_poll; |
586 | uint32_t cfg_poll_tmo; | |
4ff43246 | 587 | uint32_t cfg_use_msi; |
da0436e9 JS |
588 | uint32_t cfg_fcp_imax; |
589 | uint32_t cfg_fcp_wq_count; | |
590 | uint32_t cfg_fcp_eq_count; | |
dea3101e | 591 | uint32_t cfg_sg_seg_cnt; |
81301a9b | 592 | uint32_t cfg_prot_sg_seg_cnt; |
dea3101e | 593 | uint32_t cfg_sg_dma_buf_size; |
a12e07bc | 594 | uint64_t cfg_soft_wwnn; |
c3f28afa | 595 | uint64_t cfg_soft_wwpn; |
3de2a653 | 596 | uint32_t cfg_hba_queue_depth; |
13815c83 JS |
597 | uint32_t cfg_enable_hba_reset; |
598 | uint32_t cfg_enable_hba_heartbeat; | |
81301a9b | 599 | uint32_t cfg_enable_bg; |
da0436e9 JS |
600 | uint32_t cfg_enable_fip; |
601 | uint32_t cfg_log_verbose; | |
c01f3208 | 602 | |
dea3101e | 603 | lpfc_vpd_t vpd; /* vital product data */ |
604 | ||
dea3101e | 605 | struct pci_dev *pcidev; |
606 | struct list_head work_list; | |
607 | uint32_t work_ha; /* Host Attention Bits for WT */ | |
608 | uint32_t work_ha_mask; /* HA Bits owned by WT */ | |
609 | uint32_t work_hs; /* HS stored in case of ERRAT */ | |
610 | uint32_t work_status[2]; /* Extra status from SLIM */ | |
dea3101e | 611 | |
5e9d9b82 | 612 | wait_queue_head_t work_waitq; |
dea3101e | 613 | struct task_struct *worker_thread; |
d7c255b2 | 614 | unsigned long data_flags; |
dea3101e | 615 | |
3163f725 | 616 | uint32_t hbq_in_use; /* HBQs in use flag */ |
3772a991 | 617 | struct list_head rb_pend_list; /* Received buffers to be processed */ |
ed957684 | 618 | uint32_t hbq_count; /* Count of configured HBQs */ |
92d7f7b0 | 619 | struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ |
ed957684 | 620 | |
8fa38513 JS |
621 | uint32_t fcp_qidx; /* next work queue to post work to */ |
622 | ||
dea3101e | 623 | unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ |
3772a991 | 624 | unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */ |
dea3101e | 625 | unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ |
626 | void __iomem *slim_memmap_p; /* Kernel memory mapped address for | |
627 | PCI BAR0 */ | |
628 | void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for | |
629 | PCI BAR2 */ | |
630 | ||
631 | void __iomem *MBslimaddr; /* virtual address for mbox cmds */ | |
632 | void __iomem *HAregaddr; /* virtual address for host attn reg */ | |
633 | void __iomem *CAregaddr; /* virtual address for chip attn reg */ | |
634 | void __iomem *HSregaddr; /* virtual address for host status | |
635 | reg */ | |
636 | void __iomem *HCregaddr; /* virtual address for host ctl reg */ | |
637 | ||
ed957684 | 638 | struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ |
34b02dcd | 639 | struct lpfc_pgp *port_gp; |
ed957684 | 640 | uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ |
92d7f7b0 | 641 | uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ |
ed957684 | 642 | |
dea3101e | 643 | int brd_no; /* FC board number */ |
644 | ||
645 | char SerialNumber[32]; /* adapter Serial Number */ | |
646 | char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ | |
647 | char ModelDesc[256]; /* Model Description */ | |
648 | char ModelName[80]; /* Model Name */ | |
649 | char ProgramType[256]; /* Program Type */ | |
650 | char Port[20]; /* Port No */ | |
651 | uint8_t vpd_flag; /* VPD data flag */ | |
652 | ||
653 | #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ | |
654 | #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ | |
655 | #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ | |
656 | #define VPD_PORT 0x8 /* valid vpd port data */ | |
657 | #define VPD_MASK 0xf /* mask for any vpd data */ | |
658 | ||
a12e07bc | 659 | uint8_t soft_wwn_enable; |
c3f28afa | 660 | |
875fbdfe | 661 | struct timer_list fcp_poll_timer; |
9399627f | 662 | struct timer_list eratt_poll; |
875fbdfe | 663 | |
dea3101e | 664 | /* |
665 | * stat counters | |
666 | */ | |
667 | uint64_t fc4InputRequests; | |
668 | uint64_t fc4OutputRequests; | |
669 | uint64_t fc4ControlRequests; | |
81301a9b JS |
670 | uint64_t bg_guard_err_cnt; |
671 | uint64_t bg_apptag_err_cnt; | |
672 | uint64_t bg_reftag_err_cnt; | |
dea3101e | 673 | |
674 | struct lpfc_sysfs_mbox sysfs_mbox; | |
675 | ||
676 | /* fastpath list. */ | |
875fbdfe | 677 | spinlock_t scsi_buf_list_lock; |
dea3101e | 678 | struct list_head lpfc_scsi_buf_list; |
679 | uint32_t total_scsi_bufs; | |
680 | struct list_head lpfc_iocb_list; | |
681 | uint32_t total_iocbq_bufs; | |
2e0fef85 | 682 | spinlock_t hbalock; |
dea3101e | 683 | |
684 | /* pci_mem_pools */ | |
685 | struct pci_pool *lpfc_scsi_dma_buf_pool; | |
686 | struct pci_pool *lpfc_mbuf_pool; | |
da0436e9 JS |
687 | struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */ |
688 | struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */ | |
8568a4d2 | 689 | struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ |
dea3101e | 690 | struct lpfc_dma_pool lpfc_mbuf_safety_pool; |
691 | ||
692 | mempool_t *mbox_mem_pool; | |
693 | mempool_t *nlp_mem_pool; | |
f888ba3c JSEC |
694 | |
695 | struct fc_host_statistics link_stats; | |
db2378e0 | 696 | enum intr_type_t intr_type; |
5b75da2f JS |
697 | uint32_t intr_mode; |
698 | #define LPFC_INTR_ERROR 0xFFFFFFFF | |
9399627f | 699 | struct msix_entry msix_entries[LPFC_MSIX_VECTORS]; |
858c9f6c | 700 | |
2e0fef85 | 701 | struct list_head port_list; |
549e55cd JS |
702 | struct lpfc_vport *pport; /* physical lpfc_vport pointer */ |
703 | uint16_t max_vpi; /* Maximum virtual nports */ | |
09372820 | 704 | #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ |
da0436e9 JS |
705 | uint16_t max_vports; /* |
706 | * For IOV HBAs max_vpi can change | |
707 | * after a reset. max_vports is max | |
708 | * number of vports present. This can | |
709 | * be greater than max_vpi. | |
710 | */ | |
711 | uint16_t vpi_base; | |
712 | uint16_t vfi_base; | |
549e55cd | 713 | unsigned long *vpi_bmask; /* vpi allocation table */ |
92d7f7b0 JS |
714 | |
715 | /* Data structure used by fabric iocb scheduler */ | |
716 | struct list_head fabric_iocb_list; | |
717 | atomic_t fabric_iocb_count; | |
718 | struct timer_list fabric_block_timer; | |
719 | unsigned long bit_flags; | |
720 | #define FABRIC_COMANDS_BLOCKED 0 | |
721 | atomic_t num_rsrc_err; | |
722 | atomic_t num_cmd_success; | |
723 | unsigned long last_rsrc_error_time; | |
724 | unsigned long last_ramp_down_time; | |
725 | unsigned long last_ramp_up_time; | |
923e4b6a | 726 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
727 | struct dentry *hba_debugfs_root; |
728 | atomic_t debugfs_vport_count; | |
78b2d852 | 729 | struct dentry *debug_hbqinfo; |
c95d6c6c JS |
730 | struct dentry *debug_dumpHostSlim; |
731 | struct dentry *debug_dumpHBASlim; | |
81301a9b JS |
732 | struct dentry *debug_dumpData; /* BlockGuard BPL*/ |
733 | struct dentry *debug_dumpDif; /* BlockGuard BPL*/ | |
a58cbd52 JS |
734 | struct dentry *debug_slow_ring_trc; |
735 | struct lpfc_debugfs_trc *slow_ring_trc; | |
736 | atomic_t slow_ring_trc_cnt; | |
858c9f6c JS |
737 | #endif |
738 | ||
0ff10d46 JS |
739 | /* Used for deferred freeing of ELS data buffers */ |
740 | struct list_head elsbuf; | |
741 | int elsbuf_cnt; | |
742 | int elsbuf_prev_cnt; | |
743 | ||
57127f15 | 744 | uint8_t temp_sensor_support; |
858c9f6c JS |
745 | /* Fields used for heart beat. */ |
746 | unsigned long last_completion_time; | |
747 | struct timer_list hb_tmofunc; | |
748 | uint8_t hb_outstanding; | |
84774a4d | 749 | enum hba_temp_state over_temp_state; |
e47c9093 JS |
750 | /* ndlp reference management */ |
751 | spinlock_t ndlp_lock; | |
76bb24ef JS |
752 | /* |
753 | * Following bit will be set for all buffer tags which are not | |
754 | * associated with any HBQ. | |
755 | */ | |
756 | #define QUE_BUFTAG_BIT (1<<31) | |
757 | uint32_t buffer_tag_count; | |
84774a4d JS |
758 | int wait_4_mlo_maint_flg; |
759 | wait_queue_head_t wait_4_mlo_m_q; | |
ea2151b4 JS |
760 | /* data structure used for latency data collection */ |
761 | #define LPFC_NO_BUCKET 0 | |
762 | #define LPFC_LINEAR_BUCKET 1 | |
763 | #define LPFC_POWER2_BUCKET 2 | |
764 | uint8_t bucket_type; | |
765 | uint32_t bucket_base; | |
766 | uint32_t bucket_step; | |
767 | ||
768 | /* Maximum number of events that can be outstanding at any time*/ | |
769 | #define LPFC_MAX_EVT_COUNT 512 | |
770 | atomic_t fast_event_count; | |
32b9793f JS |
771 | uint32_t fcoe_eventtag; |
772 | uint32_t fcoe_eventtag_at_fcf_scan; | |
da0436e9 JS |
773 | struct lpfc_fcf fcf; |
774 | uint8_t fc_map[3]; | |
775 | uint8_t valid_vlan; | |
776 | uint16_t vlan_id; | |
777 | struct list_head fcf_conn_rec_list; | |
dea3101e | 778 | }; |
779 | ||
2e0fef85 JS |
780 | static inline struct Scsi_Host * |
781 | lpfc_shost_from_vport(struct lpfc_vport *vport) | |
782 | { | |
783 | return container_of((void *) vport, struct Scsi_Host, hostdata[0]); | |
784 | } | |
785 | ||
5b8bd0c9 | 786 | static inline void |
2e0fef85 JS |
787 | lpfc_set_loopback_flag(struct lpfc_hba *phba) |
788 | { | |
5b8bd0c9 | 789 | if (phba->cfg_topology == FLAGS_LOCAL_LB) |
2e0fef85 | 790 | phba->link_flag |= LS_LOOPBACK_MODE; |
5b8bd0c9 | 791 | else |
2e0fef85 JS |
792 | phba->link_flag &= ~LS_LOOPBACK_MODE; |
793 | } | |
794 | ||
795 | static inline int | |
796 | lpfc_is_link_up(struct lpfc_hba *phba) | |
797 | { | |
798 | return phba->link_state == LPFC_LINK_UP || | |
92d7f7b0 JS |
799 | phba->link_state == LPFC_CLEAR_LA || |
800 | phba->link_state == LPFC_HBA_READY; | |
5b8bd0c9 | 801 | } |
dea3101e | 802 | |
5e9d9b82 JS |
803 | static inline void |
804 | lpfc_worker_wake_up(struct lpfc_hba *phba) | |
805 | { | |
806 | /* Set the lpfc data pending flag */ | |
807 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
808 | ||
809 | /* Wake up worker thread */ | |
810 | wake_up(&phba->work_waitq); | |
811 | return; | |
812 | } | |
813 | ||
9399627f JS |
814 | static inline void |
815 | lpfc_sli_read_hs(struct lpfc_hba *phba) | |
816 | { | |
817 | /* | |
818 | * There was a link/board error. Read the status register to retrieve | |
819 | * the error event and process it. | |
820 | */ | |
821 | phba->sli.slistat.err_attn_event++; | |
822 | ||
823 | /* Save status info */ | |
824 | phba->work_hs = readl(phba->HSregaddr); | |
825 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); | |
826 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
827 | ||
828 | /* Clear chip Host Attention error bit */ | |
829 | writel(HA_ERATT, phba->HAregaddr); | |
830 | readl(phba->HAregaddr); /* flush */ | |
831 | phba->pport->stopped = 1; | |
832 | ||
833 | return; | |
834 | } |