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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. * |
1b32f6aa | 4 | * Copyright (C) 2004-2008 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 | ||
97eab634 | 26 | #define LPFC_MAX_TARGET 4096 /* max number of targets supported */ |
e17da18e JS |
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 */ |
81301a9b JS |
32 | #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ |
33 | #define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */ | |
34 | #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */ | |
35 | #define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/ | |
dea3101e | 36 | #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ |
445cf4f4 | 37 | #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ |
495a714c | 38 | #define LPFC_VNAME_LEN 100 /* vport symbolic name length */ |
977b5a0a JS |
39 | #define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt |
40 | queue depth change in millisecs */ | |
41 | #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */ | |
42 | #define LPFC_MIN_TGT_QDEPTH 100 | |
43 | #define LPFC_MAX_TGT_QDEPTH 0xFFFF | |
dea3101e | 44 | |
ea2151b4 JS |
45 | #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data |
46 | collection. */ | |
92d7f7b0 JS |
47 | /* |
48 | * Following time intervals are used of adjusting SCSI device | |
49 | * queue depths when there are driver resource error or Firmware | |
50 | * resource error. | |
51 | */ | |
52 | #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */ | |
53 | #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */ | |
54 | ||
55 | /* Number of exchanges reserved for discovery to complete */ | |
56 | #define LPFC_DISC_IOCB_BUFF_COUNT 20 | |
57 | ||
858c9f6c | 58 | #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ |
311464ec | 59 | #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ |
858c9f6c | 60 | |
9399627f JS |
61 | /* Error Attention event polling interval */ |
62 | #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */ | |
63 | ||
dea3101e | 64 | /* Define macros for 64 bit support */ |
65 | #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) | |
66 | #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) | |
67 | #define getPaddr(high, low) ((dma_addr_t)( \ | |
68 | (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) | |
69 | /* Provide maximum configuration definitions. */ | |
70 | #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ | |
dea3101e | 71 | #define FC_MAX_ADPTMSG 64 |
72 | ||
73 | #define MAX_HBAEVT 32 | |
74 | ||
9399627f JS |
75 | /* Number of MSI-X vectors the driver uses */ |
76 | #define LPFC_MSIX_VECTORS 2 | |
77 | ||
5e9d9b82 JS |
78 | /* lpfc wait event data ready flag */ |
79 | #define LPFC_DATA_READY (1<<0) | |
80 | ||
875fbdfe JSEC |
81 | enum lpfc_polling_flags { |
82 | ENABLE_FCP_RING_POLLING = 0x1, | |
83 | DISABLE_FCP_RING_INT = 0x2 | |
84 | }; | |
85 | ||
dea3101e | 86 | /* Provide DMA memory definitions the driver uses per port instance. */ |
87 | struct lpfc_dmabuf { | |
88 | struct list_head list; | |
89 | void *virt; /* virtual address ptr */ | |
90 | dma_addr_t phys; /* mapped address */ | |
76bb24ef | 91 | uint32_t buffer_tag; /* used for tagged queue ring */ |
dea3101e | 92 | }; |
93 | ||
94 | struct lpfc_dma_pool { | |
95 | struct lpfc_dmabuf *elements; | |
96 | uint32_t max_count; | |
97 | uint32_t current_count; | |
98 | }; | |
99 | ||
ed957684 JS |
100 | struct hbq_dmabuf { |
101 | struct lpfc_dmabuf dbuf; | |
51ef4c26 | 102 | uint32_t size; |
ed957684 JS |
103 | uint32_t tag; |
104 | }; | |
105 | ||
dea3101e | 106 | /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ |
107 | #define MEM_PRI 0x100 | |
108 | ||
109 | ||
110 | /****************************************************************************/ | |
111 | /* Device VPD save area */ | |
112 | /****************************************************************************/ | |
113 | typedef struct lpfc_vpd { | |
114 | uint32_t status; /* vpd status value */ | |
115 | uint32_t length; /* number of bytes actually returned */ | |
116 | struct { | |
117 | uint32_t rsvd1; /* Revision numbers */ | |
118 | uint32_t biuRev; | |
119 | uint32_t smRev; | |
120 | uint32_t smFwRev; | |
121 | uint32_t endecRev; | |
122 | uint16_t rBit; | |
123 | uint8_t fcphHigh; | |
124 | uint8_t fcphLow; | |
125 | uint8_t feaLevelHigh; | |
126 | uint8_t feaLevelLow; | |
127 | uint32_t postKernRev; | |
128 | uint32_t opFwRev; | |
129 | uint8_t opFwName[16]; | |
130 | uint32_t sli1FwRev; | |
131 | uint8_t sli1FwName[16]; | |
132 | uint32_t sli2FwRev; | |
133 | uint8_t sli2FwName[16]; | |
134 | } rev; | |
92d7f7b0 JS |
135 | struct { |
136 | #ifdef __BIG_ENDIAN_BITFIELD | |
137 | uint32_t rsvd2 :24; /* Reserved */ | |
138 | uint32_t cmv : 1; /* Configure Max VPIs */ | |
139 | uint32_t ccrp : 1; /* Config Command Ring Polling */ | |
140 | uint32_t csah : 1; /* Configure Synchronous Abort Handling */ | |
141 | uint32_t chbs : 1; /* Cofigure Host Backing store */ | |
142 | uint32_t cinb : 1; /* Enable Interrupt Notification Block */ | |
143 | uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ | |
144 | uint32_t cmx : 1; /* Configure Max XRIs */ | |
145 | uint32_t cmr : 1; /* Configure Max RPIs */ | |
146 | #else /* __LITTLE_ENDIAN */ | |
147 | uint32_t cmr : 1; /* Configure Max RPIs */ | |
148 | uint32_t cmx : 1; /* Configure Max XRIs */ | |
149 | uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ | |
150 | uint32_t cinb : 1; /* Enable Interrupt Notification Block */ | |
151 | uint32_t chbs : 1; /* Cofigure Host Backing store */ | |
152 | uint32_t csah : 1; /* Configure Synchronous Abort Handling */ | |
153 | uint32_t ccrp : 1; /* Config Command Ring Polling */ | |
154 | uint32_t cmv : 1; /* Configure Max VPIs */ | |
155 | uint32_t rsvd2 :24; /* Reserved */ | |
156 | #endif | |
157 | } sli3Feat; | |
dea3101e | 158 | } lpfc_vpd_t; |
159 | ||
160 | struct lpfc_scsi_buf; | |
161 | ||
162 | ||
163 | /* | |
164 | * lpfc stat counters | |
165 | */ | |
166 | struct lpfc_stats { | |
167 | /* Statistics for ELS commands */ | |
168 | uint32_t elsLogiCol; | |
169 | uint32_t elsRetryExceeded; | |
170 | uint32_t elsXmitRetry; | |
171 | uint32_t elsDelayRetry; | |
172 | uint32_t elsRcvDrop; | |
173 | uint32_t elsRcvFrame; | |
174 | uint32_t elsRcvRSCN; | |
175 | uint32_t elsRcvRNID; | |
176 | uint32_t elsRcvFARP; | |
177 | uint32_t elsRcvFARPR; | |
178 | uint32_t elsRcvFLOGI; | |
179 | uint32_t elsRcvPLOGI; | |
180 | uint32_t elsRcvADISC; | |
181 | uint32_t elsRcvPDISC; | |
182 | uint32_t elsRcvFAN; | |
183 | uint32_t elsRcvLOGO; | |
184 | uint32_t elsRcvPRLO; | |
185 | uint32_t elsRcvPRLI; | |
7bb3b137 JW |
186 | uint32_t elsRcvLIRR; |
187 | uint32_t elsRcvRPS; | |
188 | uint32_t elsRcvRPL; | |
dea3101e | 189 | uint32_t elsXmitFLOGI; |
92d7f7b0 | 190 | uint32_t elsXmitFDISC; |
dea3101e | 191 | uint32_t elsXmitPLOGI; |
192 | uint32_t elsXmitPRLI; | |
193 | uint32_t elsXmitADISC; | |
194 | uint32_t elsXmitLOGO; | |
195 | uint32_t elsXmitSCR; | |
196 | uint32_t elsXmitRNID; | |
197 | uint32_t elsXmitFARP; | |
198 | uint32_t elsXmitFARPR; | |
199 | uint32_t elsXmitACC; | |
200 | uint32_t elsXmitLSRJT; | |
201 | ||
202 | uint32_t frameRcvBcast; | |
203 | uint32_t frameRcvMulti; | |
204 | uint32_t strayXmitCmpl; | |
205 | uint32_t frameXmitDelay; | |
206 | uint32_t xriCmdCmpl; | |
207 | uint32_t xriStatErr; | |
208 | uint32_t LinkUp; | |
209 | uint32_t LinkDown; | |
210 | uint32_t LinkMultiEvent; | |
211 | uint32_t NoRcvBuf; | |
212 | uint32_t fcpCmd; | |
213 | uint32_t fcpCmpl; | |
214 | uint32_t fcpRspErr; | |
215 | uint32_t fcpRemoteStop; | |
216 | uint32_t fcpPortRjt; | |
217 | uint32_t fcpPortBusy; | |
218 | uint32_t fcpError; | |
219 | uint32_t fcpLocalErr; | |
220 | }; | |
221 | ||
222 | enum sysfs_mbox_state { | |
223 | SMBOX_IDLE, | |
224 | SMBOX_WRITING, | |
225 | SMBOX_READING | |
226 | }; | |
227 | ||
228 | struct lpfc_sysfs_mbox { | |
229 | enum sysfs_mbox_state state; | |
230 | size_t offset; | |
231 | struct lpfcMboxq * mbox; | |
232 | }; | |
233 | ||
2e0fef85 JS |
234 | struct lpfc_hba; |
235 | ||
92d7f7b0 | 236 | |
2e0fef85 | 237 | enum discovery_state { |
92d7f7b0 JS |
238 | LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ |
239 | LPFC_VPORT_FAILED = 1, /* vport has failed */ | |
240 | LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ | |
241 | LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ | |
242 | LPFC_FDISC = 8, /* FDISC sent for vport */ | |
243 | LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id | |
244 | * configured */ | |
245 | LPFC_NS_REG = 10, /* Register with NameServer */ | |
246 | LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ | |
247 | LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for | |
248 | * device authentication / discovery */ | |
249 | LPFC_DISC_AUTH = 13, /* Processing ADISC list */ | |
250 | LPFC_VPORT_READY = 32, | |
2e0fef85 JS |
251 | }; |
252 | ||
253 | enum hba_state { | |
254 | LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ | |
255 | LPFC_WARM_START = 1, /* HBA state after selective reset */ | |
256 | LPFC_INIT_START = 2, /* Initial state after board reset */ | |
257 | LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ | |
258 | LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ | |
259 | LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ | |
92d7f7b0 | 260 | LPFC_CLEAR_LA = 6, /* authentication cmplt - issue |
2e0fef85 | 261 | * CLEAR_LA */ |
92d7f7b0 | 262 | LPFC_HBA_READY = 32, |
2e0fef85 JS |
263 | LPFC_HBA_ERROR = -1 |
264 | }; | |
265 | ||
266 | struct lpfc_vport { | |
267 | struct list_head listentry; | |
268 | struct lpfc_hba *phba; | |
269 | uint8_t port_type; | |
270 | #define LPFC_PHYSICAL_PORT 1 | |
271 | #define LPFC_NPIV_PORT 2 | |
272 | #define LPFC_FABRIC_PORT 3 | |
273 | enum discovery_state port_state; | |
274 | ||
92d7f7b0 | 275 | uint16_t vpi; |
2e0fef85 JS |
276 | |
277 | uint32_t fc_flag; /* FC flags */ | |
278 | /* Several of these flags are HBA centric and should be moved to | |
279 | * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) | |
280 | */ | |
92d7f7b0 JS |
281 | #define FC_PT2PT 0x1 /* pt2pt with no fabric */ |
282 | #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ | |
283 | #define FC_DISC_TMO 0x4 /* Discovery timer running */ | |
284 | #define FC_PUBLIC_LOOP 0x8 /* Public loop */ | |
285 | #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ | |
286 | #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ | |
287 | #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ | |
288 | #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ | |
289 | #define FC_FABRIC 0x100 /* We are fabric attached */ | |
92d7f7b0 JS |
290 | #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ |
291 | #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ | |
292 | #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ | |
293 | #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ | |
294 | #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ | |
92d7f7b0 JS |
295 | #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ |
296 | #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ | |
2e0fef85 | 297 | |
7ee5d43e JS |
298 | uint32_t ct_flags; |
299 | #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ | |
300 | #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ | |
301 | #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ | |
302 | #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ | |
303 | #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ | |
304 | ||
2e0fef85 JS |
305 | struct list_head fc_nodes; |
306 | ||
307 | /* Keep counters for the number of entries in each list. */ | |
308 | uint16_t fc_plogi_cnt; | |
309 | uint16_t fc_adisc_cnt; | |
310 | uint16_t fc_reglogin_cnt; | |
311 | uint16_t fc_prli_cnt; | |
312 | uint16_t fc_unmap_cnt; | |
313 | uint16_t fc_map_cnt; | |
314 | uint16_t fc_npr_cnt; | |
315 | uint16_t fc_unused_cnt; | |
316 | struct serv_parm fc_sparam; /* buffer for our service parameters */ | |
317 | ||
318 | uint32_t fc_myDID; /* fibre channel S_ID */ | |
319 | uint32_t fc_prevDID; /* previous fibre channel S_ID */ | |
320 | ||
321 | int32_t stopped; /* HBA has not been restarted since last ERATT */ | |
322 | uint8_t fc_linkspeed; /* Link speed after last READ_LA */ | |
323 | ||
324 | uint32_t num_disc_nodes; /*in addition to hba_state */ | |
325 | ||
326 | uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ | |
327 | uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ | |
7f5f3d0d | 328 | uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ |
2e0fef85 JS |
329 | struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; |
330 | struct lpfc_name fc_nodename; /* fc nodename */ | |
331 | struct lpfc_name fc_portname; /* fc portname */ | |
332 | ||
333 | struct lpfc_work_evt disc_timeout_evt; | |
334 | ||
335 | struct timer_list fc_disctmo; /* Discovery rescue timer */ | |
336 | uint8_t fc_ns_retry; /* retries for fabric nameserver */ | |
337 | uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ | |
338 | ||
339 | spinlock_t work_port_lock; | |
340 | uint32_t work_port_events; /* Timeout to be handled */ | |
858c9f6c JS |
341 | #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ |
342 | #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ | |
343 | #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ | |
344 | ||
345 | #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ | |
346 | #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ | |
b1c11812 | 347 | #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ |
858c9f6c JS |
348 | #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ |
349 | #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ | |
2e0fef85 JS |
350 | |
351 | struct timer_list fc_fdmitmo; | |
352 | struct timer_list els_tmofunc; | |
353 | ||
354 | int unreg_vpi_cmpl; | |
355 | ||
356 | uint8_t load_flag; | |
357 | #define FC_LOADING 0x1 /* HBA in process of loading drvr */ | |
358 | #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ | |
3de2a653 JS |
359 | /* Vport Config Parameters */ |
360 | uint32_t cfg_scan_down; | |
361 | uint32_t cfg_lun_queue_depth; | |
362 | uint32_t cfg_nodev_tmo; | |
363 | uint32_t cfg_devloss_tmo; | |
364 | uint32_t cfg_restrict_login; | |
365 | uint32_t cfg_peer_port_login; | |
366 | uint32_t cfg_fcp_class; | |
367 | uint32_t cfg_use_adisc; | |
368 | uint32_t cfg_fdmi_on; | |
369 | uint32_t cfg_discovery_threads; | |
e8b62011 | 370 | uint32_t cfg_log_verbose; |
3de2a653 | 371 | uint32_t cfg_max_luns; |
7ee5d43e | 372 | uint32_t cfg_enable_da_id; |
977b5a0a | 373 | uint32_t cfg_max_scsicmpl_time; |
3de2a653 JS |
374 | |
375 | uint32_t dev_loss_tmo_changed; | |
51ef4c26 JS |
376 | |
377 | struct fc_vport *fc_vport; | |
378 | ||
923e4b6a | 379 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
51ef4c26 JS |
380 | struct dentry *debug_disc_trc; |
381 | struct dentry *debug_nodelist; | |
382 | struct dentry *vport_debugfs_root; | |
383 | struct lpfc_debugfs_trc *disc_trc; | |
384 | atomic_t disc_trc_cnt; | |
385 | #endif | |
ea2151b4 JS |
386 | uint8_t stat_data_enabled; |
387 | uint8_t stat_data_blocked; | |
2e0fef85 JS |
388 | }; |
389 | ||
ed957684 JS |
390 | struct hbq_s { |
391 | uint16_t entry_count; /* Current number of HBQ slots */ | |
a8adb832 | 392 | uint16_t buffer_count; /* Current number of buffers posted */ |
ed957684 JS |
393 | uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ |
394 | uint32_t hbqPutIdx; /* HBQ slot to use */ | |
395 | uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ | |
51ef4c26 JS |
396 | void *hbq_virt; /* Virtual ptr to this hbq */ |
397 | struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ | |
398 | /* Callback for HBQ buffer allocation */ | |
399 | struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); | |
400 | /* Callback for HBQ buffer free */ | |
401 | void (*hbq_free_buffer) (struct lpfc_hba *, | |
402 | struct hbq_dmabuf *); | |
ed957684 JS |
403 | }; |
404 | ||
51ef4c26 JS |
405 | #define LPFC_MAX_HBQS 4 |
406 | /* this matches the position in the lpfc_hbq_defs array */ | |
92d7f7b0 | 407 | #define LPFC_ELS_HBQ 0 |
51ef4c26 | 408 | #define LPFC_EXTRA_HBQ 1 |
ed957684 | 409 | |
7af67051 JS |
410 | enum hba_temp_state { |
411 | HBA_NORMAL_TEMP, | |
412 | HBA_OVER_TEMP | |
413 | }; | |
414 | ||
db2378e0 JS |
415 | enum intr_type_t { |
416 | NONE = 0, | |
417 | INTx, | |
418 | MSI, | |
419 | MSIX, | |
420 | }; | |
421 | ||
dea3101e | 422 | struct lpfc_hba { |
dea3101e | 423 | struct lpfc_sli sli; |
ed957684 JS |
424 | uint32_t sli_rev; /* SLI2 or SLI3 */ |
425 | uint32_t sli3_options; /* Mask of enabled SLI3 options */ | |
34b02dcd JS |
426 | #define LPFC_SLI3_HBQ_ENABLED 0x01 |
427 | #define LPFC_SLI3_NPIV_ENABLED 0x02 | |
428 | #define LPFC_SLI3_VPORT_TEARDOWN 0x04 | |
429 | #define LPFC_SLI3_CRP_ENABLED 0x08 | |
430 | #define LPFC_SLI3_INB_ENABLED 0x10 | |
81301a9b | 431 | #define LPFC_SLI3_BG_ENABLED 0x20 |
ed957684 JS |
432 | uint32_t iocb_cmd_size; |
433 | uint32_t iocb_rsp_size; | |
2e0fef85 JS |
434 | |
435 | enum hba_state link_state; | |
436 | uint32_t link_flag; /* link state flags */ | |
311464ec | 437 | #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ |
2e0fef85 JS |
438 | /* This flag is set while issuing */ |
439 | /* INIT_LINK mailbox command */ | |
92d7f7b0 | 440 | #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ |
1b32f6aa | 441 | #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ |
2e0fef85 | 442 | |
9399627f JS |
443 | uint32_t hba_flag; /* hba generic flags */ |
444 | #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ | |
445 | ||
34b02dcd JS |
446 | struct lpfc_dmabuf slim2p; |
447 | ||
448 | MAILBOX_t *mbox; | |
449 | uint32_t *inb_ha_copy; | |
450 | uint32_t *inb_counter; | |
451 | uint32_t inb_last_counter; | |
9399627f | 452 | uint32_t ha_copy; |
34b02dcd JS |
453 | struct _PCB *pcb; |
454 | struct _IOCB *IOCBs; | |
2e0fef85 | 455 | |
34b02dcd | 456 | struct lpfc_dmabuf hbqslimp; |
2e0fef85 | 457 | |
dea3101e | 458 | uint16_t pci_cfg_value; |
459 | ||
dea3101e | 460 | uint8_t fc_linkspeed; /* Link speed after last READ_LA */ |
461 | ||
462 | uint32_t fc_eventTag; /* event tag for link attention */ | |
dea3101e | 463 | |
dea3101e | 464 | /* These fields used to be binfo */ |
dea3101e | 465 | uint32_t fc_pref_DID; /* preferred D_ID */ |
92d7f7b0 | 466 | uint8_t fc_pref_ALPA; /* preferred AL_PA */ |
dea3101e | 467 | uint32_t fc_edtov; /* E_D_TOV timer value */ |
468 | uint32_t fc_arbtov; /* ARB_TOV timer value */ | |
469 | uint32_t fc_ratov; /* R_A_TOV timer value */ | |
470 | uint32_t fc_rttov; /* R_T_TOV timer value */ | |
471 | uint32_t fc_altov; /* AL_TOV timer value */ | |
472 | uint32_t fc_crtov; /* C_R_TOV timer value */ | |
473 | uint32_t fc_citov; /* C_I_TOV timer value */ | |
dea3101e | 474 | |
dea3101e | 475 | struct serv_parm fc_fabparam; /* fabric service parameters buffer */ |
476 | uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ | |
477 | ||
dea3101e | 478 | uint32_t lmt; |
dea3101e | 479 | |
480 | uint32_t fc_topology; /* link topology, from LINK INIT */ | |
481 | ||
482 | struct lpfc_stats fc_stat; | |
483 | ||
dea3101e | 484 | struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ |
485 | uint32_t nport_event_cnt; /* timestamp for nlplist entry */ | |
486 | ||
2e0fef85 JS |
487 | uint8_t wwnn[8]; |
488 | uint8_t wwpn[8]; | |
dea3101e | 489 | uint32_t RandomData[7]; |
490 | ||
3de2a653 | 491 | /* HBA Config Parameters */ |
dea3101e | 492 | uint32_t cfg_ack0; |
78b2d852 | 493 | uint32_t cfg_enable_npiv; |
dea3101e | 494 | uint32_t cfg_topology; |
dea3101e | 495 | uint32_t cfg_link_speed; |
496 | uint32_t cfg_cr_delay; | |
497 | uint32_t cfg_cr_count; | |
cf5bf97e | 498 | uint32_t cfg_multi_ring_support; |
a4bc3379 JS |
499 | uint32_t cfg_multi_ring_rctl; |
500 | uint32_t cfg_multi_ring_type; | |
875fbdfe JSEC |
501 | uint32_t cfg_poll; |
502 | uint32_t cfg_poll_tmo; | |
4ff43246 | 503 | uint32_t cfg_use_msi; |
dea3101e | 504 | uint32_t cfg_sg_seg_cnt; |
81301a9b | 505 | uint32_t cfg_prot_sg_seg_cnt; |
dea3101e | 506 | uint32_t cfg_sg_dma_buf_size; |
a12e07bc | 507 | uint64_t cfg_soft_wwnn; |
c3f28afa | 508 | uint64_t cfg_soft_wwpn; |
3de2a653 | 509 | uint32_t cfg_hba_queue_depth; |
13815c83 JS |
510 | uint32_t cfg_enable_hba_reset; |
511 | uint32_t cfg_enable_hba_heartbeat; | |
81301a9b | 512 | uint32_t cfg_enable_bg; |
c01f3208 | 513 | |
dea3101e | 514 | lpfc_vpd_t vpd; /* vital product data */ |
515 | ||
dea3101e | 516 | struct pci_dev *pcidev; |
517 | struct list_head work_list; | |
518 | uint32_t work_ha; /* Host Attention Bits for WT */ | |
519 | uint32_t work_ha_mask; /* HA Bits owned by WT */ | |
520 | uint32_t work_hs; /* HS stored in case of ERRAT */ | |
521 | uint32_t work_status[2]; /* Extra status from SLIM */ | |
dea3101e | 522 | |
5e9d9b82 | 523 | wait_queue_head_t work_waitq; |
dea3101e | 524 | struct task_struct *worker_thread; |
d7c255b2 | 525 | unsigned long data_flags; |
dea3101e | 526 | |
3163f725 JS |
527 | uint32_t hbq_in_use; /* HBQs in use flag */ |
528 | struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */ | |
ed957684 | 529 | uint32_t hbq_count; /* Count of configured HBQs */ |
92d7f7b0 | 530 | struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ |
ed957684 | 531 | |
dea3101e | 532 | unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ |
533 | unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ | |
534 | void __iomem *slim_memmap_p; /* Kernel memory mapped address for | |
535 | PCI BAR0 */ | |
536 | void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for | |
537 | PCI BAR2 */ | |
538 | ||
539 | void __iomem *MBslimaddr; /* virtual address for mbox cmds */ | |
540 | void __iomem *HAregaddr; /* virtual address for host attn reg */ | |
541 | void __iomem *CAregaddr; /* virtual address for chip attn reg */ | |
542 | void __iomem *HSregaddr; /* virtual address for host status | |
543 | reg */ | |
544 | void __iomem *HCregaddr; /* virtual address for host ctl reg */ | |
545 | ||
ed957684 | 546 | struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ |
34b02dcd | 547 | struct lpfc_pgp *port_gp; |
ed957684 | 548 | uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ |
92d7f7b0 | 549 | uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ |
ed957684 | 550 | |
dea3101e | 551 | int brd_no; /* FC board number */ |
552 | ||
553 | char SerialNumber[32]; /* adapter Serial Number */ | |
554 | char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ | |
555 | char ModelDesc[256]; /* Model Description */ | |
556 | char ModelName[80]; /* Model Name */ | |
557 | char ProgramType[256]; /* Program Type */ | |
558 | char Port[20]; /* Port No */ | |
559 | uint8_t vpd_flag; /* VPD data flag */ | |
560 | ||
561 | #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ | |
562 | #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ | |
563 | #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ | |
564 | #define VPD_PORT 0x8 /* valid vpd port data */ | |
565 | #define VPD_MASK 0xf /* mask for any vpd data */ | |
566 | ||
a12e07bc | 567 | uint8_t soft_wwn_enable; |
c3f28afa | 568 | |
875fbdfe | 569 | struct timer_list fcp_poll_timer; |
9399627f | 570 | struct timer_list eratt_poll; |
875fbdfe | 571 | |
dea3101e | 572 | /* |
573 | * stat counters | |
574 | */ | |
575 | uint64_t fc4InputRequests; | |
576 | uint64_t fc4OutputRequests; | |
577 | uint64_t fc4ControlRequests; | |
81301a9b JS |
578 | uint64_t bg_guard_err_cnt; |
579 | uint64_t bg_apptag_err_cnt; | |
580 | uint64_t bg_reftag_err_cnt; | |
dea3101e | 581 | |
582 | struct lpfc_sysfs_mbox sysfs_mbox; | |
583 | ||
584 | /* fastpath list. */ | |
875fbdfe | 585 | spinlock_t scsi_buf_list_lock; |
dea3101e | 586 | struct list_head lpfc_scsi_buf_list; |
587 | uint32_t total_scsi_bufs; | |
588 | struct list_head lpfc_iocb_list; | |
589 | uint32_t total_iocbq_bufs; | |
2e0fef85 | 590 | spinlock_t hbalock; |
dea3101e | 591 | |
592 | /* pci_mem_pools */ | |
593 | struct pci_pool *lpfc_scsi_dma_buf_pool; | |
594 | struct pci_pool *lpfc_mbuf_pool; | |
ed957684 | 595 | struct pci_pool *lpfc_hbq_pool; |
dea3101e | 596 | struct lpfc_dma_pool lpfc_mbuf_safety_pool; |
597 | ||
598 | mempool_t *mbox_mem_pool; | |
599 | mempool_t *nlp_mem_pool; | |
f888ba3c JSEC |
600 | |
601 | struct fc_host_statistics link_stats; | |
db2378e0 | 602 | enum intr_type_t intr_type; |
5b75da2f JS |
603 | uint32_t intr_mode; |
604 | #define LPFC_INTR_ERROR 0xFFFFFFFF | |
9399627f | 605 | struct msix_entry msix_entries[LPFC_MSIX_VECTORS]; |
858c9f6c | 606 | |
2e0fef85 | 607 | struct list_head port_list; |
549e55cd JS |
608 | struct lpfc_vport *pport; /* physical lpfc_vport pointer */ |
609 | uint16_t max_vpi; /* Maximum virtual nports */ | |
09372820 | 610 | #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ |
549e55cd | 611 | unsigned long *vpi_bmask; /* vpi allocation table */ |
92d7f7b0 JS |
612 | |
613 | /* Data structure used by fabric iocb scheduler */ | |
614 | struct list_head fabric_iocb_list; | |
615 | atomic_t fabric_iocb_count; | |
616 | struct timer_list fabric_block_timer; | |
617 | unsigned long bit_flags; | |
618 | #define FABRIC_COMANDS_BLOCKED 0 | |
619 | atomic_t num_rsrc_err; | |
620 | atomic_t num_cmd_success; | |
621 | unsigned long last_rsrc_error_time; | |
622 | unsigned long last_ramp_down_time; | |
623 | unsigned long last_ramp_up_time; | |
923e4b6a | 624 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
625 | struct dentry *hba_debugfs_root; |
626 | atomic_t debugfs_vport_count; | |
78b2d852 | 627 | struct dentry *debug_hbqinfo; |
c95d6c6c JS |
628 | struct dentry *debug_dumpHostSlim; |
629 | struct dentry *debug_dumpHBASlim; | |
81301a9b JS |
630 | struct dentry *debug_dumpData; /* BlockGuard BPL*/ |
631 | struct dentry *debug_dumpDif; /* BlockGuard BPL*/ | |
a58cbd52 JS |
632 | struct dentry *debug_slow_ring_trc; |
633 | struct lpfc_debugfs_trc *slow_ring_trc; | |
634 | atomic_t slow_ring_trc_cnt; | |
858c9f6c JS |
635 | #endif |
636 | ||
0ff10d46 JS |
637 | /* Used for deferred freeing of ELS data buffers */ |
638 | struct list_head elsbuf; | |
639 | int elsbuf_cnt; | |
640 | int elsbuf_prev_cnt; | |
641 | ||
57127f15 | 642 | uint8_t temp_sensor_support; |
858c9f6c JS |
643 | /* Fields used for heart beat. */ |
644 | unsigned long last_completion_time; | |
645 | struct timer_list hb_tmofunc; | |
646 | uint8_t hb_outstanding; | |
84774a4d | 647 | enum hba_temp_state over_temp_state; |
e47c9093 JS |
648 | /* ndlp reference management */ |
649 | spinlock_t ndlp_lock; | |
76bb24ef JS |
650 | /* |
651 | * Following bit will be set for all buffer tags which are not | |
652 | * associated with any HBQ. | |
653 | */ | |
654 | #define QUE_BUFTAG_BIT (1<<31) | |
655 | uint32_t buffer_tag_count; | |
84774a4d JS |
656 | int wait_4_mlo_maint_flg; |
657 | wait_queue_head_t wait_4_mlo_m_q; | |
ea2151b4 JS |
658 | /* data structure used for latency data collection */ |
659 | #define LPFC_NO_BUCKET 0 | |
660 | #define LPFC_LINEAR_BUCKET 1 | |
661 | #define LPFC_POWER2_BUCKET 2 | |
662 | uint8_t bucket_type; | |
663 | uint32_t bucket_base; | |
664 | uint32_t bucket_step; | |
665 | ||
666 | /* Maximum number of events that can be outstanding at any time*/ | |
667 | #define LPFC_MAX_EVT_COUNT 512 | |
668 | atomic_t fast_event_count; | |
dea3101e | 669 | }; |
670 | ||
2e0fef85 JS |
671 | static inline struct Scsi_Host * |
672 | lpfc_shost_from_vport(struct lpfc_vport *vport) | |
673 | { | |
674 | return container_of((void *) vport, struct Scsi_Host, hostdata[0]); | |
675 | } | |
676 | ||
5b8bd0c9 | 677 | static inline void |
2e0fef85 JS |
678 | lpfc_set_loopback_flag(struct lpfc_hba *phba) |
679 | { | |
5b8bd0c9 | 680 | if (phba->cfg_topology == FLAGS_LOCAL_LB) |
2e0fef85 | 681 | phba->link_flag |= LS_LOOPBACK_MODE; |
5b8bd0c9 | 682 | else |
2e0fef85 JS |
683 | phba->link_flag &= ~LS_LOOPBACK_MODE; |
684 | } | |
685 | ||
686 | static inline int | |
687 | lpfc_is_link_up(struct lpfc_hba *phba) | |
688 | { | |
689 | return phba->link_state == LPFC_LINK_UP || | |
92d7f7b0 JS |
690 | phba->link_state == LPFC_CLEAR_LA || |
691 | phba->link_state == LPFC_HBA_READY; | |
5b8bd0c9 | 692 | } |
dea3101e | 693 | |
5e9d9b82 JS |
694 | static inline void |
695 | lpfc_worker_wake_up(struct lpfc_hba *phba) | |
696 | { | |
697 | /* Set the lpfc data pending flag */ | |
698 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
699 | ||
700 | /* Wake up worker thread */ | |
701 | wake_up(&phba->work_waitq); | |
702 | return; | |
703 | } | |
704 | ||
9399627f JS |
705 | static inline void |
706 | lpfc_sli_read_hs(struct lpfc_hba *phba) | |
707 | { | |
708 | /* | |
709 | * There was a link/board error. Read the status register to retrieve | |
710 | * the error event and process it. | |
711 | */ | |
712 | phba->sli.slistat.err_attn_event++; | |
713 | ||
714 | /* Save status info */ | |
715 | phba->work_hs = readl(phba->HSregaddr); | |
716 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); | |
717 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
718 | ||
719 | /* Clear chip Host Attention error bit */ | |
720 | writel(HA_ERATT, phba->HAregaddr); | |
721 | readl(phba->HAregaddr); /* flush */ | |
722 | phba->pport->stopped = 1; | |
723 | ||
724 | return; | |
725 | } | |
726 |