blob: 1cc23a69db5e70aa8dfc7e0667612264090705a0 [file] [log] [blame]
dea31012005-04-17 16:05:31 -05001/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04003 * Fibre Channel Host Bus Adapters. *
James Smartd8e93df2009-05-22 14:53:05 -04004 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04005 * EMULEX and SLI are trademarks of Emulex. *
dea31012005-04-17 16:05:31 -05006 * www.emulex.com *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04007 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea31012005-04-17 16:05:31 -05008 * *
9 * This program is free software; you can redistribute it and/or *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -040010 * 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. *
dea31012005-04-17 16:05:31 -050020 *******************************************************************/
21
James Smart2e0fef82007-06-17 19:56:36 -050022#include <scsi/scsi_host.h>
23
dea31012005-04-17 16:05:31 -050024struct lpfc_sli2_slim;
25
James Smart3772a992009-05-22 14:50:54 -040026#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
James Smart97eab632008-04-07 10:16:05 -040033#define LPFC_MAX_TARGET 4096 /* max number of targets supported */
James Smarte17da182006-07-06 15:49:25 -040034#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. */
James.Smart@Emulex.Com445cf4f2005-11-28 11:42:38 -050038#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
James Smart81301a92008-12-04 22:39:46 -050039#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*/
dea31012005-04-17 16:05:31 -050043#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
James.Smart@Emulex.Com445cf4f2005-11-28 11:42:38 -050044#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
James Smart495a7142008-06-14 22:52:59 -040045#define LPFC_VNAME_LEN 100 /* vport symbolic name length */
James Smart977b5a02008-09-07 11:52:04 -040046#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
dea31012005-04-17 16:05:31 -050051
James Smartea2151b2008-09-07 11:52:10 -040052#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
53 collection. */
James Smart92d7f7b2007-06-17 19:56:38 -050054/*
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
James Smart858c9f62007-06-17 19:56:39 -050065#define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
James Smart311464e2007-08-02 11:10:37 -040066#define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
James Smart858c9f62007-06-17 19:56:39 -050067
James Smart93996272008-08-24 21:50:30 -040068/* Error Attention event polling interval */
69#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
70
dea31012005-04-17 16:05:31 -050071/* 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 */
dea31012005-04-17 16:05:31 -050078#define FC_MAX_ADPTMSG 64
79
80#define MAX_HBAEVT 32
81
James Smart93996272008-08-24 21:50:30 -040082/* Number of MSI-X vectors the driver uses */
83#define LPFC_MSIX_VECTORS 2
84
James Smart5e9d9b82008-06-14 22:52:53 -040085/* lpfc wait event data ready flag */
86#define LPFC_DATA_READY (1<<0)
87
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -050088enum lpfc_polling_flags {
89 ENABLE_FCP_RING_POLLING = 0x1,
90 DISABLE_FCP_RING_INT = 0x2
91};
92
dea31012005-04-17 16:05:31 -050093/* 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 */
James Smart76bb24e2007-10-27 13:38:00 -040098 uint32_t buffer_tag; /* used for tagged queue ring */
dea31012005-04-17 16:05:31 -050099};
100
101struct lpfc_dma_pool {
102 struct lpfc_dmabuf *elements;
103 uint32_t max_count;
104 uint32_t current_count;
105};
106
James Smarted957682007-06-17 19:56:37 -0500107struct hbq_dmabuf {
James Smartda0436e2009-05-22 14:51:39 -0400108 struct lpfc_dmabuf hbuf;
James Smarted957682007-06-17 19:56:37 -0500109 struct lpfc_dmabuf dbuf;
James Smart51ef4c22007-08-02 11:10:31 -0400110 uint32_t size;
James Smarted957682007-06-17 19:56:37 -0500111 uint32_t tag;
James Smart4d9ab992009-10-02 15:16:39 -0400112 struct lpfc_cq_event cq_event;
James Smart45ed1192009-10-02 15:17:02 -0400113 unsigned long time_stamp;
James Smarted957682007-06-17 19:56:37 -0500114};
115
dea31012005-04-17 16:05:31 -0500116/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
117#define MEM_PRI 0x100
118
119
120/****************************************************************************/
121/* Device VPD save area */
122/****************************************************************************/
123typedef struct lpfc_vpd {
124 uint32_t status; /* vpd status value */
125 uint32_t length; /* number of bytes actually returned */
126 struct {
127 uint32_t rsvd1; /* Revision numbers */
128 uint32_t biuRev;
129 uint32_t smRev;
130 uint32_t smFwRev;
131 uint32_t endecRev;
132 uint16_t rBit;
133 uint8_t fcphHigh;
134 uint8_t fcphLow;
135 uint8_t feaLevelHigh;
136 uint8_t feaLevelLow;
137 uint32_t postKernRev;
138 uint32_t opFwRev;
139 uint8_t opFwName[16];
140 uint32_t sli1FwRev;
141 uint8_t sli1FwName[16];
142 uint32_t sli2FwRev;
143 uint8_t sli2FwName[16];
144 } rev;
James Smart92d7f7b2007-06-17 19:56:38 -0500145 struct {
146#ifdef __BIG_ENDIAN_BITFIELD
James Smartda0436e2009-05-22 14:51:39 -0400147 uint32_t rsvd3 :19; /* Reserved */
148 uint32_t cdss : 1; /* Configure Data Security SLI */
149 uint32_t rsvd2 : 3; /* Reserved */
150 uint32_t cbg : 1; /* Configure BlockGuard */
James Smart92d7f7b2007-06-17 19:56:38 -0500151 uint32_t cmv : 1; /* Configure Max VPIs */
152 uint32_t ccrp : 1; /* Config Command Ring Polling */
153 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
154 uint32_t chbs : 1; /* Cofigure Host Backing store */
155 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
156 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
157 uint32_t cmx : 1; /* Configure Max XRIs */
158 uint32_t cmr : 1; /* Configure Max RPIs */
159#else /* __LITTLE_ENDIAN */
160 uint32_t cmr : 1; /* Configure Max RPIs */
161 uint32_t cmx : 1; /* Configure Max XRIs */
162 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
163 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
164 uint32_t chbs : 1; /* Cofigure Host Backing store */
165 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
166 uint32_t ccrp : 1; /* Config Command Ring Polling */
167 uint32_t cmv : 1; /* Configure Max VPIs */
James Smartda0436e2009-05-22 14:51:39 -0400168 uint32_t cbg : 1; /* Configure BlockGuard */
169 uint32_t rsvd2 : 3; /* Reserved */
170 uint32_t cdss : 1; /* Configure Data Security SLI */
171 uint32_t rsvd3 :19; /* Reserved */
James Smart92d7f7b2007-06-17 19:56:38 -0500172#endif
173 } sli3Feat;
dea31012005-04-17 16:05:31 -0500174} lpfc_vpd_t;
175
176struct lpfc_scsi_buf;
177
178
179/*
180 * lpfc stat counters
181 */
182struct lpfc_stats {
183 /* Statistics for ELS commands */
184 uint32_t elsLogiCol;
185 uint32_t elsRetryExceeded;
186 uint32_t elsXmitRetry;
187 uint32_t elsDelayRetry;
188 uint32_t elsRcvDrop;
189 uint32_t elsRcvFrame;
190 uint32_t elsRcvRSCN;
191 uint32_t elsRcvRNID;
192 uint32_t elsRcvFARP;
193 uint32_t elsRcvFARPR;
194 uint32_t elsRcvFLOGI;
195 uint32_t elsRcvPLOGI;
196 uint32_t elsRcvADISC;
197 uint32_t elsRcvPDISC;
198 uint32_t elsRcvFAN;
199 uint32_t elsRcvLOGO;
200 uint32_t elsRcvPRLO;
201 uint32_t elsRcvPRLI;
Jamie Wellnitz7bb3b132006-02-28 19:25:15 -0500202 uint32_t elsRcvLIRR;
203 uint32_t elsRcvRPS;
204 uint32_t elsRcvRPL;
James Smart5ffc2662009-11-18 15:39:44 -0500205 uint32_t elsRcvRRQ;
dea31012005-04-17 16:05:31 -0500206 uint32_t elsXmitFLOGI;
James Smart92d7f7b2007-06-17 19:56:38 -0500207 uint32_t elsXmitFDISC;
dea31012005-04-17 16:05:31 -0500208 uint32_t elsXmitPLOGI;
209 uint32_t elsXmitPRLI;
210 uint32_t elsXmitADISC;
211 uint32_t elsXmitLOGO;
212 uint32_t elsXmitSCR;
213 uint32_t elsXmitRNID;
214 uint32_t elsXmitFARP;
215 uint32_t elsXmitFARPR;
216 uint32_t elsXmitACC;
217 uint32_t elsXmitLSRJT;
218
219 uint32_t frameRcvBcast;
220 uint32_t frameRcvMulti;
221 uint32_t strayXmitCmpl;
222 uint32_t frameXmitDelay;
223 uint32_t xriCmdCmpl;
224 uint32_t xriStatErr;
225 uint32_t LinkUp;
226 uint32_t LinkDown;
227 uint32_t LinkMultiEvent;
228 uint32_t NoRcvBuf;
229 uint32_t fcpCmd;
230 uint32_t fcpCmpl;
231 uint32_t fcpRspErr;
232 uint32_t fcpRemoteStop;
233 uint32_t fcpPortRjt;
234 uint32_t fcpPortBusy;
235 uint32_t fcpError;
236 uint32_t fcpLocalErr;
237};
238
239enum sysfs_mbox_state {
240 SMBOX_IDLE,
241 SMBOX_WRITING,
242 SMBOX_READING
243};
244
245struct lpfc_sysfs_mbox {
246 enum sysfs_mbox_state state;
247 size_t offset;
248 struct lpfcMboxq * mbox;
249};
250
James Smart2e0fef82007-06-17 19:56:36 -0500251struct lpfc_hba;
dea31012005-04-17 16:05:31 -0500252
James Smart92d7f7b2007-06-17 19:56:38 -0500253
James Smart2e0fef82007-06-17 19:56:36 -0500254enum discovery_state {
James Smart92d7f7b2007-06-17 19:56:38 -0500255 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
256 LPFC_VPORT_FAILED = 1, /* vport has failed */
257 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
258 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
259 LPFC_FDISC = 8, /* FDISC sent for vport */
260 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
261 * configured */
262 LPFC_NS_REG = 10, /* Register with NameServer */
263 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
264 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
265 * device authentication / discovery */
266 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
267 LPFC_VPORT_READY = 32,
James Smart2e0fef82007-06-17 19:56:36 -0500268};
dea31012005-04-17 16:05:31 -0500269
James Smart2e0fef82007-06-17 19:56:36 -0500270enum hba_state {
271 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
272 LPFC_WARM_START = 1, /* HBA state after selective reset */
273 LPFC_INIT_START = 2, /* Initial state after board reset */
274 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
275 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
276 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
James Smart92d7f7b2007-06-17 19:56:38 -0500277 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
James Smart2e0fef82007-06-17 19:56:36 -0500278 * CLEAR_LA */
James Smart92d7f7b2007-06-17 19:56:38 -0500279 LPFC_HBA_READY = 32,
James Smart2e0fef82007-06-17 19:56:36 -0500280 LPFC_HBA_ERROR = -1
281};
dea31012005-04-17 16:05:31 -0500282
James Smart2e0fef82007-06-17 19:56:36 -0500283struct lpfc_vport {
James Smart2e0fef82007-06-17 19:56:36 -0500284 struct lpfc_hba *phba;
James Smart3772a992009-05-22 14:50:54 -0400285 struct list_head listentry;
James Smart2e0fef82007-06-17 19:56:36 -0500286 uint8_t port_type;
287#define LPFC_PHYSICAL_PORT 1
288#define LPFC_NPIV_PORT 2
289#define LPFC_FABRIC_PORT 3
290 enum discovery_state port_state;
dea31012005-04-17 16:05:31 -0500291
James Smart92d7f7b2007-06-17 19:56:38 -0500292 uint16_t vpi;
James Smartda0436e2009-05-22 14:51:39 -0400293 uint16_t vfi;
James Smartc8685952009-11-18 15:39:16 -0500294 uint8_t vpi_state;
295#define LPFC_VPI_REGISTERED 0x1
dea31012005-04-17 16:05:31 -0500296
dea31012005-04-17 16:05:31 -0500297 uint32_t fc_flag; /* FC flags */
James Smart2e0fef82007-06-17 19:56:36 -0500298/* Several of these flags are HBA centric and should be moved to
299 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
300 */
James Smart92d7f7b2007-06-17 19:56:38 -0500301#define FC_PT2PT 0x1 /* pt2pt with no fabric */
302#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
303#define FC_DISC_TMO 0x4 /* Discovery timer running */
304#define FC_PUBLIC_LOOP 0x8 /* Public loop */
305#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
306#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
307#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
308#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
309#define FC_FABRIC 0x100 /* We are fabric attached */
James Smart92d7f7b2007-06-17 19:56:38 -0500310#define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
311#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
312#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
313#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
314#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
James Smart92d7f7b2007-06-17 19:56:38 -0500315#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
316#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
James Smart1c6834a2009-07-19 10:01:26 -0400317#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
dea31012005-04-17 16:05:31 -0500318
James Smart7ee5d432007-10-27 13:37:17 -0400319 uint32_t ct_flags;
320#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
321#define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
322#define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
323#define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
324#define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
325
James Smart685f0bf2007-04-25 09:53:08 -0400326 struct list_head fc_nodes;
dea31012005-04-17 16:05:31 -0500327
328 /* Keep counters for the number of entries in each list. */
329 uint16_t fc_plogi_cnt;
330 uint16_t fc_adisc_cnt;
331 uint16_t fc_reglogin_cnt;
332 uint16_t fc_prli_cnt;
333 uint16_t fc_unmap_cnt;
334 uint16_t fc_map_cnt;
335 uint16_t fc_npr_cnt;
336 uint16_t fc_unused_cnt;
James Smart2e0fef82007-06-17 19:56:36 -0500337 struct serv_parm fc_sparam; /* buffer for our service parameters */
338
339 uint32_t fc_myDID; /* fibre channel S_ID */
340 uint32_t fc_prevDID; /* previous fibre channel S_ID */
341
342 int32_t stopped; /* HBA has not been restarted since last ERATT */
343 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
344
345 uint32_t num_disc_nodes; /*in addition to hba_state */
346
347 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
348 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
James Smart7f5f3d02008-02-08 18:50:14 -0500349 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
James Smart2e0fef82007-06-17 19:56:36 -0500350 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
351 struct lpfc_name fc_nodename; /* fc nodename */
352 struct lpfc_name fc_portname; /* fc portname */
353
354 struct lpfc_work_evt disc_timeout_evt;
355
356 struct timer_list fc_disctmo; /* Discovery rescue timer */
357 uint8_t fc_ns_retry; /* retries for fabric nameserver */
358 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
359
360 spinlock_t work_port_lock;
361 uint32_t work_port_events; /* Timeout to be handled */
James Smart858c9f62007-06-17 19:56:39 -0500362#define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
363#define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
364#define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
365
366#define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
367#define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
Joe Perchesb1c11812008-02-03 17:28:22 +0200368#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
James Smart858c9f62007-06-17 19:56:39 -0500369#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
370#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
James Smart2e0fef82007-06-17 19:56:36 -0500371
372 struct timer_list fc_fdmitmo;
373 struct timer_list els_tmofunc;
374
375 int unreg_vpi_cmpl;
376
377 uint8_t load_flag;
378#define FC_LOADING 0x1 /* HBA in process of loading drvr */
379#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
James Smart3de2a652007-08-02 11:09:59 -0400380 /* Vport Config Parameters */
381 uint32_t cfg_scan_down;
382 uint32_t cfg_lun_queue_depth;
383 uint32_t cfg_nodev_tmo;
384 uint32_t cfg_devloss_tmo;
385 uint32_t cfg_restrict_login;
386 uint32_t cfg_peer_port_login;
387 uint32_t cfg_fcp_class;
388 uint32_t cfg_use_adisc;
389 uint32_t cfg_fdmi_on;
390 uint32_t cfg_discovery_threads;
James Smarte8b62012007-08-02 11:10:09 -0400391 uint32_t cfg_log_verbose;
James Smart3de2a652007-08-02 11:09:59 -0400392 uint32_t cfg_max_luns;
James Smart7ee5d432007-10-27 13:37:17 -0400393 uint32_t cfg_enable_da_id;
James Smart977b5a02008-09-07 11:52:04 -0400394 uint32_t cfg_max_scsicmpl_time;
James Smart3de2a652007-08-02 11:09:59 -0400395
396 uint32_t dev_loss_tmo_changed;
James Smart51ef4c22007-08-02 11:10:31 -0400397
398 struct fc_vport *fc_vport;
399
James Smart923e4b62008-12-04 22:40:07 -0500400#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
James Smart51ef4c22007-08-02 11:10:31 -0400401 struct dentry *debug_disc_trc;
402 struct dentry *debug_nodelist;
403 struct dentry *vport_debugfs_root;
404 struct lpfc_debugfs_trc *disc_trc;
405 atomic_t disc_trc_cnt;
406#endif
James Smartea2151b2008-09-07 11:52:10 -0400407 uint8_t stat_data_enabled;
408 uint8_t stat_data_blocked;
James Smartda0436e2009-05-22 14:51:39 -0400409 struct list_head rcv_buffer_list;
James Smart45ed1192009-10-02 15:17:02 -0400410 unsigned long rcv_buffer_time_stamp;
James Smartda0436e2009-05-22 14:51:39 -0400411 uint32_t vport_flag;
412#define STATIC_VPORT 1
James Smart2e0fef82007-06-17 19:56:36 -0500413};
414
James Smarted957682007-06-17 19:56:37 -0500415struct hbq_s {
416 uint16_t entry_count; /* Current number of HBQ slots */
James Smarta8adb832007-10-27 13:37:53 -0400417 uint16_t buffer_count; /* Current number of buffers posted */
James Smarted957682007-06-17 19:56:37 -0500418 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
419 uint32_t hbqPutIdx; /* HBQ slot to use */
420 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
James Smart51ef4c22007-08-02 11:10:31 -0400421 void *hbq_virt; /* Virtual ptr to this hbq */
422 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
423 /* Callback for HBQ buffer allocation */
424 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
425 /* Callback for HBQ buffer free */
426 void (*hbq_free_buffer) (struct lpfc_hba *,
427 struct hbq_dmabuf *);
James Smarted957682007-06-17 19:56:37 -0500428};
429
James Smart51ef4c22007-08-02 11:10:31 -0400430#define LPFC_MAX_HBQS 4
431/* this matches the position in the lpfc_hbq_defs array */
James Smart92d7f7b2007-06-17 19:56:38 -0500432#define LPFC_ELS_HBQ 0
James Smart51ef4c22007-08-02 11:10:31 -0400433#define LPFC_EXTRA_HBQ 1
James Smarted957682007-06-17 19:56:37 -0500434
James Smart7af67052007-10-27 13:38:11 -0400435enum hba_temp_state {
436 HBA_NORMAL_TEMP,
437 HBA_OVER_TEMP
438};
439
James Smartdb2378e2008-02-08 18:49:51 -0500440enum intr_type_t {
441 NONE = 0,
442 INTx,
443 MSI,
444 MSIX,
445};
446
James Smartf1c3b0f2009-07-19 10:01:32 -0400447struct unsol_rcv_ct_ctx {
448 uint32_t ctxt_id;
449 uint32_t SID;
450 uint32_t oxid;
451};
452
James Smart2e0fef82007-06-17 19:56:36 -0500453struct lpfc_hba {
James Smart3772a992009-05-22 14:50:54 -0400454 /* SCSI interface function jump table entries */
455 int (*lpfc_new_scsi_buf)
456 (struct lpfc_vport *, int);
457 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
458 (struct lpfc_hba *);
459 int (*lpfc_scsi_prep_dma_buf)
460 (struct lpfc_hba *, struct lpfc_scsi_buf *);
461 void (*lpfc_scsi_unprep_dma_buf)
462 (struct lpfc_hba *, struct lpfc_scsi_buf *);
463 void (*lpfc_release_scsi_buf)
464 (struct lpfc_hba *, struct lpfc_scsi_buf *);
465 void (*lpfc_rampdown_queue_depth)
466 (struct lpfc_hba *);
467 void (*lpfc_scsi_prep_cmnd)
468 (struct lpfc_vport *, struct lpfc_scsi_buf *,
469 struct lpfc_nodelist *);
James Smart3772a992009-05-22 14:50:54 -0400470 /* IOCB interface function jump table entries */
471 int (*__lpfc_sli_issue_iocb)
472 (struct lpfc_hba *, uint32_t,
473 struct lpfc_iocbq *, uint32_t);
474 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
475 struct lpfc_iocbq *);
476 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
477
478
479 IOCB_t * (*lpfc_get_iocb_from_iocbq)
480 (struct lpfc_iocbq *);
481 void (*lpfc_scsi_cmd_iocb_cmpl)
482 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
483
484 /* MBOX interface function jump table entries */
485 int (*lpfc_sli_issue_mbox)
486 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
487 /* Slow-path IOCB process function jump table entries */
488 void (*lpfc_sli_handle_slow_ring_event)
489 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
490 uint32_t mask);
491 /* INIT device interface function jump table entries */
492 int (*lpfc_sli_hbq_to_firmware)
493 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
494 int (*lpfc_sli_brdrestart)
495 (struct lpfc_hba *);
496 int (*lpfc_sli_brdready)
497 (struct lpfc_hba *, uint32_t);
498 void (*lpfc_handle_eratt)
499 (struct lpfc_hba *);
500 void (*lpfc_stop_port)
501 (struct lpfc_hba *);
502
503
504 /* SLI4 specific HBA data structure */
505 struct lpfc_sli4_hba sli4_hba;
506
James Smart2e0fef82007-06-17 19:56:36 -0500507 struct lpfc_sli sli;
James Smart3772a992009-05-22 14:50:54 -0400508 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
509 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
James Smarted957682007-06-17 19:56:37 -0500510 uint32_t sli3_options; /* Mask of enabled SLI3 options */
James Smart34b02dc2008-08-24 21:49:55 -0400511#define LPFC_SLI3_HBQ_ENABLED 0x01
512#define LPFC_SLI3_NPIV_ENABLED 0x02
513#define LPFC_SLI3_VPORT_TEARDOWN 0x04
514#define LPFC_SLI3_CRP_ENABLED 0x08
515#define LPFC_SLI3_INB_ENABLED 0x10
James Smart81301a92008-12-04 22:39:46 -0500516#define LPFC_SLI3_BG_ENABLED 0x20
James Smartda0436e2009-05-22 14:51:39 -0400517#define LPFC_SLI3_DSS_ENABLED 0x40
James Smarted957682007-06-17 19:56:37 -0500518 uint32_t iocb_cmd_size;
519 uint32_t iocb_rsp_size;
James Smart2e0fef82007-06-17 19:56:36 -0500520
521 enum hba_state link_state;
522 uint32_t link_flag; /* link state flags */
James Smart311464e2007-08-02 11:10:37 -0400523#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
James Smart2e0fef82007-06-17 19:56:36 -0500524 /* This flag is set while issuing */
525 /* INIT_LINK mailbox command */
James Smart92d7f7b2007-06-17 19:56:38 -0500526#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
James Smart1b32f6a2008-02-08 18:49:39 -0500527#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
James Smart2e0fef82007-06-17 19:56:36 -0500528
James Smart93996272008-08-24 21:50:30 -0400529 uint32_t hba_flag; /* hba generic flags */
530#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
James Smartda0436e2009-05-22 14:51:39 -0400531#define DEFER_ERATT 0x2 /* Deferred error attention in progress */
532#define HBA_FCOE_SUPPORT 0x4 /* HBA function supports FCOE */
James Smart45ed1192009-10-02 15:17:02 -0400533#define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
James Smartda0436e2009-05-22 14:51:39 -0400534#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
535#define FCP_XRI_ABORT_EVENT 0x20
536#define ELS_XRI_ABORT_EVENT 0x40
537#define ASYNC_EVENT 0x80
James Smarta0c87cb2009-07-19 10:01:10 -0400538#define LINK_DISABLED 0x100 /* Link disabled by user */
James Smart32b97932009-07-19 10:01:21 -0400539#define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */
James Smart45ed1192009-10-02 15:17:02 -0400540#define HBA_FIP_SUPPORT 0x400 /* FIP support in HBA */
541#define HBA_AER_ENABLED 0x800 /* AER enabled with HBA */
542 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
James Smart34b02dc2008-08-24 21:49:55 -0400543 struct lpfc_dmabuf slim2p;
James Smart2e0fef82007-06-17 19:56:36 -0500544
James Smart34b02dc2008-08-24 21:49:55 -0400545 MAILBOX_t *mbox;
546 uint32_t *inb_ha_copy;
547 uint32_t *inb_counter;
548 uint32_t inb_last_counter;
James Smart93996272008-08-24 21:50:30 -0400549 uint32_t ha_copy;
James Smart34b02dc2008-08-24 21:49:55 -0400550 struct _PCB *pcb;
551 struct _IOCB *IOCBs;
552
553 struct lpfc_dmabuf hbqslimp;
James Smart2e0fef82007-06-17 19:56:36 -0500554
James Smart2e0fef82007-06-17 19:56:36 -0500555 uint16_t pci_cfg_value;
556
James Smart2e0fef82007-06-17 19:56:36 -0500557 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
558
559 uint32_t fc_eventTag; /* event tag for link attention */
James Smart4d9ab992009-10-02 15:16:39 -0400560 uint32_t link_events;
James Smart2e0fef82007-06-17 19:56:36 -0500561
James Smart2e0fef82007-06-17 19:56:36 -0500562 /* These fields used to be binfo */
563 uint32_t fc_pref_DID; /* preferred D_ID */
James Smart92d7f7b2007-06-17 19:56:38 -0500564 uint8_t fc_pref_ALPA; /* preferred AL_PA */
James Smart2e0fef82007-06-17 19:56:36 -0500565 uint32_t fc_edtov; /* E_D_TOV timer value */
566 uint32_t fc_arbtov; /* ARB_TOV timer value */
567 uint32_t fc_ratov; /* R_A_TOV timer value */
568 uint32_t fc_rttov; /* R_T_TOV timer value */
569 uint32_t fc_altov; /* AL_TOV timer value */
570 uint32_t fc_crtov; /* C_R_TOV timer value */
571 uint32_t fc_citov; /* C_I_TOV timer value */
572
573 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
574 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
575
576 uint32_t lmt;
577
578 uint32_t fc_topology; /* link topology, from LINK INIT */
579
580 struct lpfc_stats fc_stat;
581
dea31012005-04-17 16:05:31 -0500582 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
583 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
584
James Smart2e0fef82007-06-17 19:56:36 -0500585 uint8_t wwnn[8];
586 uint8_t wwpn[8];
dea31012005-04-17 16:05:31 -0500587 uint32_t RandomData[7];
588
James Smart3de2a652007-08-02 11:09:59 -0400589 /* HBA Config Parameters */
dea31012005-04-17 16:05:31 -0500590 uint32_t cfg_ack0;
James Smart78b2d852007-08-02 11:10:21 -0400591 uint32_t cfg_enable_npiv;
dea31012005-04-17 16:05:31 -0500592 uint32_t cfg_topology;
dea31012005-04-17 16:05:31 -0500593 uint32_t cfg_link_speed;
594 uint32_t cfg_cr_delay;
595 uint32_t cfg_cr_count;
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -0500596 uint32_t cfg_multi_ring_support;
James Smarta4bc3372006-12-02 13:34:16 -0500597 uint32_t cfg_multi_ring_rctl;
598 uint32_t cfg_multi_ring_type;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500599 uint32_t cfg_poll;
600 uint32_t cfg_poll_tmo;
James Smart4ff43242006-12-02 13:34:56 -0500601 uint32_t cfg_use_msi;
James Smartda0436e2009-05-22 14:51:39 -0400602 uint32_t cfg_fcp_imax;
603 uint32_t cfg_fcp_wq_count;
604 uint32_t cfg_fcp_eq_count;
dea31012005-04-17 16:05:31 -0500605 uint32_t cfg_sg_seg_cnt;
James Smart81301a92008-12-04 22:39:46 -0500606 uint32_t cfg_prot_sg_seg_cnt;
dea31012005-04-17 16:05:31 -0500607 uint32_t cfg_sg_dma_buf_size;
James Smarta12e07b2006-12-02 13:35:30 -0500608 uint64_t cfg_soft_wwnn;
James Smartc3f28af2006-08-18 17:47:18 -0400609 uint64_t cfg_soft_wwpn;
James Smart3de2a652007-08-02 11:09:59 -0400610 uint32_t cfg_hba_queue_depth;
James Smart13815c82008-01-11 01:52:48 -0500611 uint32_t cfg_enable_hba_reset;
612 uint32_t cfg_enable_hba_heartbeat;
James Smart81301a92008-12-04 22:39:46 -0500613 uint32_t cfg_enable_bg;
James Smartda0436e2009-05-22 14:51:39 -0400614 uint32_t cfg_log_verbose;
James Smart0d878412009-10-02 15:16:56 -0400615 uint32_t cfg_aer_support;
James Smartc01f3202006-08-18 17:47:08 -0400616
dea31012005-04-17 16:05:31 -0500617 lpfc_vpd_t vpd; /* vital product data */
618
dea31012005-04-17 16:05:31 -0500619 struct pci_dev *pcidev;
620 struct list_head work_list;
621 uint32_t work_ha; /* Host Attention Bits for WT */
622 uint32_t work_ha_mask; /* HA Bits owned by WT */
623 uint32_t work_hs; /* HS stored in case of ERRAT */
624 uint32_t work_status[2]; /* Extra status from SLIM */
dea31012005-04-17 16:05:31 -0500625
James Smart5e9d9b82008-06-14 22:52:53 -0400626 wait_queue_head_t work_waitq;
dea31012005-04-17 16:05:31 -0500627 struct task_struct *worker_thread;
James Smartd7c255b2008-08-24 21:50:00 -0400628 unsigned long data_flags;
dea31012005-04-17 16:05:31 -0500629
James Smart3163f722008-02-08 18:50:25 -0500630 uint32_t hbq_in_use; /* HBQs in use flag */
James Smart3772a992009-05-22 14:50:54 -0400631 struct list_head rb_pend_list; /* Received buffers to be processed */
James Smarted957682007-06-17 19:56:37 -0500632 uint32_t hbq_count; /* Count of configured HBQs */
James Smart92d7f7b2007-06-17 19:56:38 -0500633 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
James Smarted957682007-06-17 19:56:37 -0500634
James Smart8fa38512009-07-19 10:01:03 -0400635 uint32_t fcp_qidx; /* next work queue to post work to */
636
dea31012005-04-17 16:05:31 -0500637 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
James Smart3772a992009-05-22 14:50:54 -0400638 unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */
dea31012005-04-17 16:05:31 -0500639 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
640 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
641 PCI BAR0 */
642 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
643 PCI BAR2 */
644
645 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
646 void __iomem *HAregaddr; /* virtual address for host attn reg */
647 void __iomem *CAregaddr; /* virtual address for chip attn reg */
648 void __iomem *HSregaddr; /* virtual address for host status
649 reg */
650 void __iomem *HCregaddr; /* virtual address for host ctl reg */
651
James Smarted957682007-06-17 19:56:37 -0500652 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
James Smart34b02dc2008-08-24 21:49:55 -0400653 struct lpfc_pgp *port_gp;
James Smarted957682007-06-17 19:56:37 -0500654 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
James Smart92d7f7b2007-06-17 19:56:38 -0500655 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
James Smarted957682007-06-17 19:56:37 -0500656
dea31012005-04-17 16:05:31 -0500657 int brd_no; /* FC board number */
658
659 char SerialNumber[32]; /* adapter Serial Number */
660 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
661 char ModelDesc[256]; /* Model Description */
662 char ModelName[80]; /* Model Name */
663 char ProgramType[256]; /* Program Type */
664 char Port[20]; /* Port No */
665 uint8_t vpd_flag; /* VPD data flag */
666
667#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
668#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
669#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
670#define VPD_PORT 0x8 /* valid vpd port data */
671#define VPD_MASK 0xf /* mask for any vpd data */
672
James Smarta12e07b2006-12-02 13:35:30 -0500673 uint8_t soft_wwn_enable;
James Smartc3f28af2006-08-18 17:47:18 -0400674
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500675 struct timer_list fcp_poll_timer;
James Smart93996272008-08-24 21:50:30 -0400676 struct timer_list eratt_poll;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500677
dea31012005-04-17 16:05:31 -0500678 /*
679 * stat counters
680 */
681 uint64_t fc4InputRequests;
682 uint64_t fc4OutputRequests;
683 uint64_t fc4ControlRequests;
James Smart81301a92008-12-04 22:39:46 -0500684 uint64_t bg_guard_err_cnt;
685 uint64_t bg_apptag_err_cnt;
686 uint64_t bg_reftag_err_cnt;
dea31012005-04-17 16:05:31 -0500687
688 struct lpfc_sysfs_mbox sysfs_mbox;
689
690 /* fastpath list. */
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500691 spinlock_t scsi_buf_list_lock;
dea31012005-04-17 16:05:31 -0500692 struct list_head lpfc_scsi_buf_list;
693 uint32_t total_scsi_bufs;
694 struct list_head lpfc_iocb_list;
695 uint32_t total_iocbq_bufs;
James Smart2e0fef82007-06-17 19:56:36 -0500696 spinlock_t hbalock;
dea31012005-04-17 16:05:31 -0500697
698 /* pci_mem_pools */
699 struct pci_pool *lpfc_scsi_dma_buf_pool;
700 struct pci_pool *lpfc_mbuf_pool;
James Smartda0436e2009-05-22 14:51:39 -0400701 struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
702 struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
James Smart8568a4d2009-07-19 10:01:16 -0400703 struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
dea31012005-04-17 16:05:31 -0500704 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
705
706 mempool_t *mbox_mem_pool;
707 mempool_t *nlp_mem_pool;
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -0400708
709 struct fc_host_statistics link_stats;
James Smartdb2378e2008-02-08 18:49:51 -0500710 enum intr_type_t intr_type;
James Smart5b75da22008-12-04 22:39:35 -0500711 uint32_t intr_mode;
712#define LPFC_INTR_ERROR 0xFFFFFFFF
James Smart93996272008-08-24 21:50:30 -0400713 struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
James Smart858c9f62007-06-17 19:56:39 -0500714
James Smart2e0fef82007-06-17 19:56:36 -0500715 struct list_head port_list;
James Smart549e55c2007-08-02 11:09:51 -0400716 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
717 uint16_t max_vpi; /* Maximum virtual nports */
James Smart09372822008-01-11 01:52:54 -0500718#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
James Smartda0436e2009-05-22 14:51:39 -0400719 uint16_t max_vports; /*
720 * For IOV HBAs max_vpi can change
721 * after a reset. max_vports is max
722 * number of vports present. This can
723 * be greater than max_vpi.
724 */
725 uint16_t vpi_base;
726 uint16_t vfi_base;
James Smart549e55c2007-08-02 11:09:51 -0400727 unsigned long *vpi_bmask; /* vpi allocation table */
James Smart92d7f7b2007-06-17 19:56:38 -0500728
729 /* Data structure used by fabric iocb scheduler */
730 struct list_head fabric_iocb_list;
731 atomic_t fabric_iocb_count;
732 struct timer_list fabric_block_timer;
733 unsigned long bit_flags;
734#define FABRIC_COMANDS_BLOCKED 0
735 atomic_t num_rsrc_err;
736 atomic_t num_cmd_success;
737 unsigned long last_rsrc_error_time;
738 unsigned long last_ramp_down_time;
739 unsigned long last_ramp_up_time;
James Smart923e4b62008-12-04 22:40:07 -0500740#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
James Smart858c9f62007-06-17 19:56:39 -0500741 struct dentry *hba_debugfs_root;
742 atomic_t debugfs_vport_count;
James Smart78b2d852007-08-02 11:10:21 -0400743 struct dentry *debug_hbqinfo;
James Smartc95d6c62008-01-11 01:53:23 -0500744 struct dentry *debug_dumpHostSlim;
745 struct dentry *debug_dumpHBASlim;
James Smart81301a92008-12-04 22:39:46 -0500746 struct dentry *debug_dumpData; /* BlockGuard BPL*/
747 struct dentry *debug_dumpDif; /* BlockGuard BPL*/
James Smarta58cbd52007-08-02 11:09:43 -0400748 struct dentry *debug_slow_ring_trc;
749 struct lpfc_debugfs_trc *slow_ring_trc;
750 atomic_t slow_ring_trc_cnt;
James Smart858c9f62007-06-17 19:56:39 -0500751#endif
752
James Smart0ff10d42008-01-11 01:52:36 -0500753 /* Used for deferred freeing of ELS data buffers */
754 struct list_head elsbuf;
755 int elsbuf_cnt;
756 int elsbuf_prev_cnt;
757
James Smart57127f12007-10-27 13:37:05 -0400758 uint8_t temp_sensor_support;
James Smart858c9f62007-06-17 19:56:39 -0500759 /* Fields used for heart beat. */
760 unsigned long last_completion_time;
761 struct timer_list hb_tmofunc;
762 uint8_t hb_outstanding;
James Smart84774a42008-08-24 21:50:06 -0400763 enum hba_temp_state over_temp_state;
James Smarte47c9092008-02-08 18:49:26 -0500764 /* ndlp reference management */
765 spinlock_t ndlp_lock;
James Smart76bb24e2007-10-27 13:38:00 -0400766 /*
767 * Following bit will be set for all buffer tags which are not
768 * associated with any HBQ.
769 */
770#define QUE_BUFTAG_BIT (1<<31)
771 uint32_t buffer_tag_count;
James Smart84774a42008-08-24 21:50:06 -0400772 int wait_4_mlo_maint_flg;
773 wait_queue_head_t wait_4_mlo_m_q;
James Smartea2151b2008-09-07 11:52:10 -0400774 /* data structure used for latency data collection */
775#define LPFC_NO_BUCKET 0
776#define LPFC_LINEAR_BUCKET 1
777#define LPFC_POWER2_BUCKET 2
778 uint8_t bucket_type;
779 uint32_t bucket_base;
780 uint32_t bucket_step;
781
782/* Maximum number of events that can be outstanding at any time*/
783#define LPFC_MAX_EVT_COUNT 512
784 atomic_t fast_event_count;
James Smart32b97932009-07-19 10:01:21 -0400785 uint32_t fcoe_eventtag;
786 uint32_t fcoe_eventtag_at_fcf_scan;
James Smartda0436e2009-05-22 14:51:39 -0400787 struct lpfc_fcf fcf;
788 uint8_t fc_map[3];
789 uint8_t valid_vlan;
790 uint16_t vlan_id;
791 struct list_head fcf_conn_rec_list;
James Smartf1c3b0f2009-07-19 10:01:32 -0400792
793 struct mutex ct_event_mutex; /* synchronize access to ct_ev_waiters */
794 struct list_head ct_ev_waiters;
795 struct unsol_rcv_ct_ctx ct_ctx[64];
796 uint32_t ctx_idx;
dea31012005-04-17 16:05:31 -0500797};
798
James Smart2e0fef82007-06-17 19:56:36 -0500799static inline struct Scsi_Host *
800lpfc_shost_from_vport(struct lpfc_vport *vport)
801{
802 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
James Smart5b8bd0c2007-04-25 09:52:49 -0400803}
dea31012005-04-17 16:05:31 -0500804
James Smart2e0fef82007-06-17 19:56:36 -0500805static inline void
806lpfc_set_loopback_flag(struct lpfc_hba *phba)
807{
808 if (phba->cfg_topology == FLAGS_LOCAL_LB)
809 phba->link_flag |= LS_LOOPBACK_MODE;
810 else
811 phba->link_flag &= ~LS_LOOPBACK_MODE;
812}
813
814static inline int
815lpfc_is_link_up(struct lpfc_hba *phba)
816{
817 return phba->link_state == LPFC_LINK_UP ||
James Smart92d7f7b2007-06-17 19:56:38 -0500818 phba->link_state == LPFC_CLEAR_LA ||
819 phba->link_state == LPFC_HBA_READY;
James Smart2e0fef82007-06-17 19:56:36 -0500820}
821
James Smart5e9d9b82008-06-14 22:52:53 -0400822static inline void
823lpfc_worker_wake_up(struct lpfc_hba *phba)
824{
825 /* Set the lpfc data pending flag */
826 set_bit(LPFC_DATA_READY, &phba->data_flags);
827
828 /* Wake up worker thread */
829 wake_up(&phba->work_waitq);
830 return;
831}
832
James Smart93996272008-08-24 21:50:30 -0400833static inline void
834lpfc_sli_read_hs(struct lpfc_hba *phba)
835{
836 /*
837 * There was a link/board error. Read the status register to retrieve
838 * the error event and process it.
839 */
840 phba->sli.slistat.err_attn_event++;
841
842 /* Save status info */
843 phba->work_hs = readl(phba->HSregaddr);
844 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
845 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
846
847 /* Clear chip Host Attention error bit */
848 writel(HA_ERATT, phba->HAregaddr);
849 readl(phba->HAregaddr); /* flush */
850 phba->pport->stopped = 1;
851
852 return;
853}