projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - Base Support
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc.h
CommitLineData
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 24struct 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		 88enum 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. */
94struct 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
101struct lpfc_dma_pool {
102 struct lpfc_dmabuf *elements;
103 uint32_t max_count;
104 uint32_t current_count;
105};
106
ed957684 107struct 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/****************************************************************************/
122typedef 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
175struct lpfc_scsi_buf;
176
177
178/*
179 * lpfc stat counters
180 */
181struct 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
237enum sysfs_mbox_state {
238 SMBOX_IDLE,
239 SMBOX_WRITING,
240 SMBOX_READING
241};
242
243struct lpfc_sysfs_mbox {
244 enum sysfs_mbox_state state;
245 size_t offset;
246 struct lpfcMboxq * mbox;
247};
248
2e0fef85
JS		 249struct lpfc_hba;
250
92d7f7b0 251
2e0fef85 252enum 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
268enum 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
281struct 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		 411struct 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		 431enum hba_temp_state {
432 HBA_NORMAL_TEMP,
433 HBA_OVER_TEMP
434};
435
db2378e0
JS		 436enum intr_type_t {
437 NONE = 0,
438 INTx,
439 MSI,
440 MSIX,
441};
442
dea3101e 443struct 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 *);
460 int (*lpfc_scsi_prep_task_mgmt_cmd)
461 (struct lpfc_vport *, struct lpfc_scsi_buf *,
462 unsigned int, uint8_t);
463
464 /* IOCB interface function jump table entries */
465 int (*__lpfc_sli_issue_iocb)
466 (struct lpfc_hba *, uint32_t,
467 struct lpfc_iocbq *, uint32_t);
468 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
469 struct lpfc_iocbq *);
470 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
471
472
473 IOCB_t * (*lpfc_get_iocb_from_iocbq)
474 (struct lpfc_iocbq *);
475 void (*lpfc_scsi_cmd_iocb_cmpl)
476 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
477
478 /* MBOX interface function jump table entries */
479 int (*lpfc_sli_issue_mbox)
480 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
481 /* Slow-path IOCB process function jump table entries */
482 void (*lpfc_sli_handle_slow_ring_event)
483 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
484 uint32_t mask);
485 /* INIT device interface function jump table entries */
486 int (*lpfc_sli_hbq_to_firmware)
487 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
488 int (*lpfc_sli_brdrestart)
489 (struct lpfc_hba *);
490 int (*lpfc_sli_brdready)
491 (struct lpfc_hba *, uint32_t);
492 void (*lpfc_handle_eratt)
493 (struct lpfc_hba *);
494 void (*lpfc_stop_port)
495 (struct lpfc_hba *);
496
497
498 /* SLI4 specific HBA data structure */
499 struct lpfc_sli4_hba sli4_hba;
500
dea3101e 501 struct lpfc_sli sli;
3772a991
JS		 502 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
503 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
ed957684 504 uint32_t sli3_options; /* Mask of enabled SLI3 options */
34b02dcd
JS		 505#define LPFC_SLI3_HBQ_ENABLED 0x01
506#define LPFC_SLI3_NPIV_ENABLED 0x02
507#define LPFC_SLI3_VPORT_TEARDOWN 0x04
508#define LPFC_SLI3_CRP_ENABLED 0x08
509#define LPFC_SLI3_INB_ENABLED 0x10
81301a9b 510#define LPFC_SLI3_BG_ENABLED 0x20
da0436e9 511#define LPFC_SLI3_DSS_ENABLED 0x40
ed957684
JS		 512 uint32_t iocb_cmd_size;
513 uint32_t iocb_rsp_size;
2e0fef85
JS		 514
515 enum hba_state link_state;
516 uint32_t link_flag; /* link state flags */
311464ec 517#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
2e0fef85
JS		 518 /* This flag is set while issuing */
519 /* INIT_LINK mailbox command */
92d7f7b0 520#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
1b32f6aa 521#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
2e0fef85 522
9399627f
JS		 523 uint32_t hba_flag; /* hba generic flags */
524#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
da0436e9
JS		 525#define DEFER_ERATT 0x2 /* Deferred error attention in progress */
526#define HBA_FCOE_SUPPORT 0x4 /* HBA function supports FCOE */
527#define HBA_RECEIVE_BUFFER 0x8 /* Rcv buffer posted to worker thread */
528#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
529#define FCP_XRI_ABORT_EVENT 0x20
530#define ELS_XRI_ABORT_EVENT 0x40
531#define ASYNC_EVENT 0x80
34b02dcd
JS		 532 struct lpfc_dmabuf slim2p;
533
534 MAILBOX_t *mbox;
535 uint32_t *inb_ha_copy;
536 uint32_t *inb_counter;
537 uint32_t inb_last_counter;
9399627f 538 uint32_t ha_copy;
34b02dcd
JS		 539 struct _PCB *pcb;
540 struct _IOCB *IOCBs;
2e0fef85 541
34b02dcd 542 struct lpfc_dmabuf hbqslimp;
2e0fef85 543
dea3101e 544 uint16_t pci_cfg_value;
545
dea3101e 546 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
547
548 uint32_t fc_eventTag; /* event tag for link attention */
dea3101e 549
dea3101e 550 /* These fields used to be binfo */
dea3101e 551 uint32_t fc_pref_DID; /* preferred D_ID */
92d7f7b0 552 uint8_t fc_pref_ALPA; /* preferred AL_PA */
dea3101e 553 uint32_t fc_edtov; /* E_D_TOV timer value */
554 uint32_t fc_arbtov; /* ARB_TOV timer value */
555 uint32_t fc_ratov; /* R_A_TOV timer value */
556 uint32_t fc_rttov; /* R_T_TOV timer value */
557 uint32_t fc_altov; /* AL_TOV timer value */
558 uint32_t fc_crtov; /* C_R_TOV timer value */
559 uint32_t fc_citov; /* C_I_TOV timer value */
dea3101e 560
dea3101e 561 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
562 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
563
dea3101e 564 uint32_t lmt;
dea3101e 565
566 uint32_t fc_topology; /* link topology, from LINK INIT */
567
568 struct lpfc_stats fc_stat;
569
dea3101e 570 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
571 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
572
2e0fef85
JS		 573 uint8_t wwnn[8];
574 uint8_t wwpn[8];
dea3101e 575 uint32_t RandomData[7];
576
3de2a653 577 /* HBA Config Parameters */
dea3101e 578 uint32_t cfg_ack0;
78b2d852 579 uint32_t cfg_enable_npiv;
dea3101e 580 uint32_t cfg_topology;
dea3101e 581 uint32_t cfg_link_speed;
582 uint32_t cfg_cr_delay;
583 uint32_t cfg_cr_count;
cf5bf97e 584 uint32_t cfg_multi_ring_support;
a4bc3379
JS		 585 uint32_t cfg_multi_ring_rctl;
586 uint32_t cfg_multi_ring_type;
875fbdfe
JSEC		 587 uint32_t cfg_poll;
588 uint32_t cfg_poll_tmo;
4ff43246 589 uint32_t cfg_use_msi;
da0436e9
JS		 590 uint32_t cfg_fcp_imax;
591 uint32_t cfg_fcp_wq_count;
592 uint32_t cfg_fcp_eq_count;
dea3101e 593 uint32_t cfg_sg_seg_cnt;
81301a9b 594 uint32_t cfg_prot_sg_seg_cnt;
dea3101e 595 uint32_t cfg_sg_dma_buf_size;
a12e07bc 596 uint64_t cfg_soft_wwnn;
c3f28afa 597 uint64_t cfg_soft_wwpn;
3de2a653 598 uint32_t cfg_hba_queue_depth;
13815c83
JS		 599 uint32_t cfg_enable_hba_reset;
600 uint32_t cfg_enable_hba_heartbeat;
81301a9b 601 uint32_t cfg_enable_bg;
da0436e9
JS		 602 uint32_t cfg_enable_fip;
603 uint32_t cfg_log_verbose;
c01f3208 604
dea3101e 605 lpfc_vpd_t vpd; /* vital product data */
606
dea3101e 607 struct pci_dev *pcidev;
608 struct list_head work_list;
609 uint32_t work_ha; /* Host Attention Bits for WT */
610 uint32_t work_ha_mask; /* HA Bits owned by WT */
611 uint32_t work_hs; /* HS stored in case of ERRAT */
612 uint32_t work_status[2]; /* Extra status from SLIM */
dea3101e 613
5e9d9b82 614 wait_queue_head_t work_waitq;
dea3101e 615 struct task_struct *worker_thread;
d7c255b2 616 unsigned long data_flags;
dea3101e 617
3163f725 618 uint32_t hbq_in_use; /* HBQs in use flag */
3772a991 619 struct list_head rb_pend_list; /* Received buffers to be processed */
ed957684 620 uint32_t hbq_count; /* Count of configured HBQs */
92d7f7b0 621 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
ed957684 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 */
dea3101e 689 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
690
691 mempool_t *mbox_mem_pool;
692 mempool_t *nlp_mem_pool;
f888ba3c
JSEC		 693
694 struct fc_host_statistics link_stats;
db2378e0 695 enum intr_type_t intr_type;
5b75da2f
JS		 696 uint32_t intr_mode;
697#define LPFC_INTR_ERROR 0xFFFFFFFF
9399627f 698 struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
858c9f6c 699
2e0fef85 700 struct list_head port_list;
549e55cd
JS		 701 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
702 uint16_t max_vpi; /* Maximum virtual nports */
09372820 703#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
da0436e9
JS		 704 uint16_t max_vports; /*
705 * For IOV HBAs max_vpi can change
706 * after a reset. max_vports is max
707 * number of vports present. This can
708 * be greater than max_vpi.
709 */
710 uint16_t vpi_base;
711 uint16_t vfi_base;
549e55cd 712 unsigned long *vpi_bmask; /* vpi allocation table */
92d7f7b0
JS		 713
714 /* Data structure used by fabric iocb scheduler */
715 struct list_head fabric_iocb_list;
716 atomic_t fabric_iocb_count;
717 struct timer_list fabric_block_timer;
718 unsigned long bit_flags;
719#define FABRIC_COMANDS_BLOCKED 0
720 atomic_t num_rsrc_err;
721 atomic_t num_cmd_success;
722 unsigned long last_rsrc_error_time;
723 unsigned long last_ramp_down_time;
724 unsigned long last_ramp_up_time;
923e4b6a 725#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
858c9f6c
JS		 726 struct dentry *hba_debugfs_root;
727 atomic_t debugfs_vport_count;
78b2d852 728 struct dentry *debug_hbqinfo;
c95d6c6c
JS		 729 struct dentry *debug_dumpHostSlim;
730 struct dentry *debug_dumpHBASlim;
81301a9b
JS		 731 struct dentry *debug_dumpData; /* BlockGuard BPL*/
732 struct dentry *debug_dumpDif; /* BlockGuard BPL*/
a58cbd52
JS		 733 struct dentry *debug_slow_ring_trc;
734 struct lpfc_debugfs_trc *slow_ring_trc;
735 atomic_t slow_ring_trc_cnt;
858c9f6c
JS		 736#endif
737
0ff10d46
JS		 738 /* Used for deferred freeing of ELS data buffers */
739 struct list_head elsbuf;
740 int elsbuf_cnt;
741 int elsbuf_prev_cnt;
742
57127f15 743 uint8_t temp_sensor_support;
858c9f6c
JS		 744 /* Fields used for heart beat. */
745 unsigned long last_completion_time;
746 struct timer_list hb_tmofunc;
747 uint8_t hb_outstanding;
84774a4d 748 enum hba_temp_state over_temp_state;
e47c9093
JS		 749 /* ndlp reference management */
750 spinlock_t ndlp_lock;
76bb24ef
JS		 751 /*
752 * Following bit will be set for all buffer tags which are not
753 * associated with any HBQ.
754 */
755#define QUE_BUFTAG_BIT (1<<31)
756 uint32_t buffer_tag_count;
84774a4d
JS		 757 int wait_4_mlo_maint_flg;
758 wait_queue_head_t wait_4_mlo_m_q;
ea2151b4
JS		 759 /* data structure used for latency data collection */
760#define LPFC_NO_BUCKET 0
761#define LPFC_LINEAR_BUCKET 1
762#define LPFC_POWER2_BUCKET 2
763 uint8_t bucket_type;
764 uint32_t bucket_base;
765 uint32_t bucket_step;
766
767/* Maximum number of events that can be outstanding at any time*/
768#define LPFC_MAX_EVT_COUNT 512
769 atomic_t fast_event_count;
da0436e9
JS		 770 struct lpfc_fcf fcf;
771 uint8_t fc_map[3];
772 uint8_t valid_vlan;
773 uint16_t vlan_id;
774 struct list_head fcf_conn_rec_list;
dea3101e 775};
776
2e0fef85
JS		 777static inline struct Scsi_Host *
778lpfc_shost_from_vport(struct lpfc_vport *vport)
779{
780 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
781}
782
5b8bd0c9 783static inline void
2e0fef85
JS		 784lpfc_set_loopback_flag(struct lpfc_hba *phba)
785{
5b8bd0c9 786 if (phba->cfg_topology == FLAGS_LOCAL_LB)
2e0fef85 787 phba->link_flag |= LS_LOOPBACK_MODE;
5b8bd0c9 788 else
2e0fef85
JS		 789 phba->link_flag &= ~LS_LOOPBACK_MODE;
790}
791
792static inline int
793lpfc_is_link_up(struct lpfc_hba *phba)
794{
795 return phba->link_state == LPFC_LINK_UP ||
92d7f7b0
JS		 796 phba->link_state == LPFC_CLEAR_LA ||
797 phba->link_state == LPFC_HBA_READY;
5b8bd0c9 798}
dea3101e 799
5e9d9b82
JS		 800static inline void
801lpfc_worker_wake_up(struct lpfc_hba *phba)
802{
803 /* Set the lpfc data pending flag */
804 set_bit(LPFC_DATA_READY, &phba->data_flags);
805
806 /* Wake up worker thread */
807 wake_up(&phba->work_waitq);
808 return;
809}
810
9399627f
JS		 811static inline void
812lpfc_sli_read_hs(struct lpfc_hba *phba)
813{
814 /*
815 * There was a link/board error. Read the status register to retrieve
816 * the error event and process it.
817 */
818 phba->sli.slistat.err_attn_event++;
819
820 /* Save status info */
821 phba->work_hs = readl(phba->HSregaddr);
822 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
823 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
824
825 /* Clear chip Host Attention error bit */
826 writel(HA_ERATT, phba->HAregaddr);
827 readl(phba->HAregaddr); /* flush */
828 phba->pport->stopped = 1;
829
830 return;
831}
Linux kernel - Deliverables
This page took 0.481434 seconds and 5 git commands to generate.