blob: 23b9320539e1344e675d22958243aca94528faeb [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 Smart4fede782010-01-26 23:08:55 -05004 * Copyright (C) 2004-2010 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 */
James Smarte2aed292010-02-26 14:15:00 -050040#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
41 cmnd for menlo needs nearly twice as for firmware
42 downloads using bsg */
James Smart81301a92008-12-04 22:39:46 -050043#define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
44#define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
45#define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/
dea31012005-04-17 16:05:31 -050046#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
James.Smart@Emulex.Com445cf4f2005-11-28 11:42:38 -050047#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
James Smart495a7142008-06-14 22:52:59 -040048#define LPFC_VNAME_LEN 100 /* vport symbolic name length */
James Smart977b5a02008-09-07 11:52:04 -040049#define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
50 queue depth change in millisecs */
51#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
52#define LPFC_MIN_TGT_QDEPTH 100
53#define LPFC_MAX_TGT_QDEPTH 0xFFFF
dea31012005-04-17 16:05:31 -050054
James Smartea2151b2008-09-07 11:52:10 -040055#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
56 collection. */
James Smart92d7f7b2007-06-17 19:56:38 -050057/*
58 * Following time intervals are used of adjusting SCSI device
59 * queue depths when there are driver resource error or Firmware
60 * resource error.
61 */
62#define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
63#define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */
64
65/* Number of exchanges reserved for discovery to complete */
66#define LPFC_DISC_IOCB_BUFF_COUNT 20
67
James Smart858c9f62007-06-17 19:56:39 -050068#define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
James Smart311464e2007-08-02 11:10:37 -040069#define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
James Smart858c9f62007-06-17 19:56:39 -050070
James Smart93996272008-08-24 21:50:30 -040071/* Error Attention event polling interval */
72#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
73
dea31012005-04-17 16:05:31 -050074/* Define macros for 64 bit support */
75#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
76#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
77#define getPaddr(high, low) ((dma_addr_t)( \
78 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
79/* Provide maximum configuration definitions. */
80#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
dea31012005-04-17 16:05:31 -050081#define FC_MAX_ADPTMSG 64
82
83#define MAX_HBAEVT 32
84
James Smart93996272008-08-24 21:50:30 -040085/* Number of MSI-X vectors the driver uses */
86#define LPFC_MSIX_VECTORS 2
87
James Smart5e9d9b82008-06-14 22:52:53 -040088/* lpfc wait event data ready flag */
89#define LPFC_DATA_READY (1<<0)
90
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -050091enum lpfc_polling_flags {
92 ENABLE_FCP_RING_POLLING = 0x1,
93 DISABLE_FCP_RING_INT = 0x2
94};
95
dea31012005-04-17 16:05:31 -050096/* Provide DMA memory definitions the driver uses per port instance. */
97struct lpfc_dmabuf {
98 struct list_head list;
99 void *virt; /* virtual address ptr */
100 dma_addr_t phys; /* mapped address */
James Smart76bb24e2007-10-27 13:38:00 -0400101 uint32_t buffer_tag; /* used for tagged queue ring */
dea31012005-04-17 16:05:31 -0500102};
103
104struct lpfc_dma_pool {
105 struct lpfc_dmabuf *elements;
106 uint32_t max_count;
107 uint32_t current_count;
108};
109
James Smarted957682007-06-17 19:56:37 -0500110struct hbq_dmabuf {
James Smartda0436e2009-05-22 14:51:39 -0400111 struct lpfc_dmabuf hbuf;
James Smarted957682007-06-17 19:56:37 -0500112 struct lpfc_dmabuf dbuf;
James Smart51ef4c22007-08-02 11:10:31 -0400113 uint32_t size;
James Smarted957682007-06-17 19:56:37 -0500114 uint32_t tag;
James Smart4d9ab992009-10-02 15:16:39 -0400115 struct lpfc_cq_event cq_event;
James Smart45ed1192009-10-02 15:17:02 -0400116 unsigned long time_stamp;
James Smarted957682007-06-17 19:56:37 -0500117};
118
dea31012005-04-17 16:05:31 -0500119/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
120#define MEM_PRI 0x100
121
122
123/****************************************************************************/
124/* Device VPD save area */
125/****************************************************************************/
126typedef struct lpfc_vpd {
127 uint32_t status; /* vpd status value */
128 uint32_t length; /* number of bytes actually returned */
129 struct {
130 uint32_t rsvd1; /* Revision numbers */
131 uint32_t biuRev;
132 uint32_t smRev;
133 uint32_t smFwRev;
134 uint32_t endecRev;
135 uint16_t rBit;
136 uint8_t fcphHigh;
137 uint8_t fcphLow;
138 uint8_t feaLevelHigh;
139 uint8_t feaLevelLow;
140 uint32_t postKernRev;
141 uint32_t opFwRev;
142 uint8_t opFwName[16];
143 uint32_t sli1FwRev;
144 uint8_t sli1FwName[16];
145 uint32_t sli2FwRev;
146 uint8_t sli2FwName[16];
147 } rev;
James Smart92d7f7b2007-06-17 19:56:38 -0500148 struct {
149#ifdef __BIG_ENDIAN_BITFIELD
James Smartda0436e2009-05-22 14:51:39 -0400150 uint32_t rsvd3 :19; /* Reserved */
151 uint32_t cdss : 1; /* Configure Data Security SLI */
152 uint32_t rsvd2 : 3; /* Reserved */
153 uint32_t cbg : 1; /* Configure BlockGuard */
James Smart92d7f7b2007-06-17 19:56:38 -0500154 uint32_t cmv : 1; /* Configure Max VPIs */
155 uint32_t ccrp : 1; /* Config Command Ring Polling */
156 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
157 uint32_t chbs : 1; /* Cofigure Host Backing store */
158 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
159 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
160 uint32_t cmx : 1; /* Configure Max XRIs */
161 uint32_t cmr : 1; /* Configure Max RPIs */
162#else /* __LITTLE_ENDIAN */
163 uint32_t cmr : 1; /* Configure Max RPIs */
164 uint32_t cmx : 1; /* Configure Max XRIs */
165 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
166 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
167 uint32_t chbs : 1; /* Cofigure Host Backing store */
168 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
169 uint32_t ccrp : 1; /* Config Command Ring Polling */
170 uint32_t cmv : 1; /* Configure Max VPIs */
James Smartda0436e2009-05-22 14:51:39 -0400171 uint32_t cbg : 1; /* Configure BlockGuard */
172 uint32_t rsvd2 : 3; /* Reserved */
173 uint32_t cdss : 1; /* Configure Data Security SLI */
174 uint32_t rsvd3 :19; /* Reserved */
James Smart92d7f7b2007-06-17 19:56:38 -0500175#endif
176 } sli3Feat;
dea31012005-04-17 16:05:31 -0500177} lpfc_vpd_t;
178
179struct lpfc_scsi_buf;
180
181
182/*
183 * lpfc stat counters
184 */
185struct lpfc_stats {
186 /* Statistics for ELS commands */
187 uint32_t elsLogiCol;
188 uint32_t elsRetryExceeded;
189 uint32_t elsXmitRetry;
190 uint32_t elsDelayRetry;
191 uint32_t elsRcvDrop;
192 uint32_t elsRcvFrame;
193 uint32_t elsRcvRSCN;
194 uint32_t elsRcvRNID;
195 uint32_t elsRcvFARP;
196 uint32_t elsRcvFARPR;
197 uint32_t elsRcvFLOGI;
198 uint32_t elsRcvPLOGI;
199 uint32_t elsRcvADISC;
200 uint32_t elsRcvPDISC;
201 uint32_t elsRcvFAN;
202 uint32_t elsRcvLOGO;
203 uint32_t elsRcvPRLO;
204 uint32_t elsRcvPRLI;
Jamie Wellnitz7bb3b132006-02-28 19:25:15 -0500205 uint32_t elsRcvLIRR;
206 uint32_t elsRcvRPS;
207 uint32_t elsRcvRPL;
James Smart5ffc2662009-11-18 15:39:44 -0500208 uint32_t elsRcvRRQ;
dea31012005-04-17 16:05:31 -0500209 uint32_t elsXmitFLOGI;
James Smart92d7f7b2007-06-17 19:56:38 -0500210 uint32_t elsXmitFDISC;
dea31012005-04-17 16:05:31 -0500211 uint32_t elsXmitPLOGI;
212 uint32_t elsXmitPRLI;
213 uint32_t elsXmitADISC;
214 uint32_t elsXmitLOGO;
215 uint32_t elsXmitSCR;
216 uint32_t elsXmitRNID;
217 uint32_t elsXmitFARP;
218 uint32_t elsXmitFARPR;
219 uint32_t elsXmitACC;
220 uint32_t elsXmitLSRJT;
221
222 uint32_t frameRcvBcast;
223 uint32_t frameRcvMulti;
224 uint32_t strayXmitCmpl;
225 uint32_t frameXmitDelay;
226 uint32_t xriCmdCmpl;
227 uint32_t xriStatErr;
228 uint32_t LinkUp;
229 uint32_t LinkDown;
230 uint32_t LinkMultiEvent;
231 uint32_t NoRcvBuf;
232 uint32_t fcpCmd;
233 uint32_t fcpCmpl;
234 uint32_t fcpRspErr;
235 uint32_t fcpRemoteStop;
236 uint32_t fcpPortRjt;
237 uint32_t fcpPortBusy;
238 uint32_t fcpError;
239 uint32_t fcpLocalErr;
240};
241
242enum sysfs_mbox_state {
243 SMBOX_IDLE,
244 SMBOX_WRITING,
245 SMBOX_READING
246};
247
248struct lpfc_sysfs_mbox {
249 enum sysfs_mbox_state state;
250 size_t offset;
251 struct lpfcMboxq * mbox;
252};
253
James Smart2e0fef82007-06-17 19:56:36 -0500254struct lpfc_hba;
dea31012005-04-17 16:05:31 -0500255
James Smart92d7f7b2007-06-17 19:56:38 -0500256
James Smart2e0fef82007-06-17 19:56:36 -0500257enum discovery_state {
James Smart92d7f7b2007-06-17 19:56:38 -0500258 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
259 LPFC_VPORT_FAILED = 1, /* vport has failed */
260 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
261 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
262 LPFC_FDISC = 8, /* FDISC sent for vport */
263 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
264 * configured */
265 LPFC_NS_REG = 10, /* Register with NameServer */
266 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
267 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
268 * device authentication / discovery */
269 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
270 LPFC_VPORT_READY = 32,
James Smart2e0fef82007-06-17 19:56:36 -0500271};
dea31012005-04-17 16:05:31 -0500272
James Smart2e0fef82007-06-17 19:56:36 -0500273enum hba_state {
274 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
275 LPFC_WARM_START = 1, /* HBA state after selective reset */
276 LPFC_INIT_START = 2, /* Initial state after board reset */
277 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
278 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
279 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
James Smart92d7f7b2007-06-17 19:56:38 -0500280 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
James Smart2e0fef82007-06-17 19:56:36 -0500281 * CLEAR_LA */
James Smart92d7f7b2007-06-17 19:56:38 -0500282 LPFC_HBA_READY = 32,
James Smart2e0fef82007-06-17 19:56:36 -0500283 LPFC_HBA_ERROR = -1
284};
dea31012005-04-17 16:05:31 -0500285
James Smart2e0fef82007-06-17 19:56:36 -0500286struct lpfc_vport {
James Smart2e0fef82007-06-17 19:56:36 -0500287 struct lpfc_hba *phba;
James Smart3772a992009-05-22 14:50:54 -0400288 struct list_head listentry;
James Smart2e0fef82007-06-17 19:56:36 -0500289 uint8_t port_type;
290#define LPFC_PHYSICAL_PORT 1
291#define LPFC_NPIV_PORT 2
292#define LPFC_FABRIC_PORT 3
293 enum discovery_state port_state;
dea31012005-04-17 16:05:31 -0500294
James Smart92d7f7b2007-06-17 19:56:38 -0500295 uint16_t vpi;
James Smartda0436e2009-05-22 14:51:39 -0400296 uint16_t vfi;
James Smartc8685952009-11-18 15:39:16 -0500297 uint8_t vpi_state;
298#define LPFC_VPI_REGISTERED 0x1
dea31012005-04-17 16:05:31 -0500299
dea31012005-04-17 16:05:31 -0500300 uint32_t fc_flag; /* FC flags */
James Smart2e0fef82007-06-17 19:56:36 -0500301/* Several of these flags are HBA centric and should be moved to
302 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
303 */
James Smart92d7f7b2007-06-17 19:56:38 -0500304#define FC_PT2PT 0x1 /* pt2pt with no fabric */
305#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
306#define FC_DISC_TMO 0x4 /* Discovery timer running */
307#define FC_PUBLIC_LOOP 0x8 /* Public loop */
308#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
309#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
310#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
311#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
312#define FC_FABRIC 0x100 /* We are fabric attached */
James Smart92d7f7b2007-06-17 19:56:38 -0500313#define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
314#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
315#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
316#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
317#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
James Smart92d7f7b2007-06-17 19:56:38 -0500318#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
319#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
James Smart1c6834a2009-07-19 10:01:26 -0400320#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
James Smart695a8142010-01-26 23:08:03 -0500321#define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
322#define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
323#define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
dea31012005-04-17 16:05:31 -0500324
James Smart7ee5d432007-10-27 13:37:17 -0400325 uint32_t ct_flags;
326#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
327#define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
328#define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
329#define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
330#define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
331
James Smart685f0bf2007-04-25 09:53:08 -0400332 struct list_head fc_nodes;
dea31012005-04-17 16:05:31 -0500333
334 /* Keep counters for the number of entries in each list. */
335 uint16_t fc_plogi_cnt;
336 uint16_t fc_adisc_cnt;
337 uint16_t fc_reglogin_cnt;
338 uint16_t fc_prli_cnt;
339 uint16_t fc_unmap_cnt;
340 uint16_t fc_map_cnt;
341 uint16_t fc_npr_cnt;
342 uint16_t fc_unused_cnt;
James Smart2e0fef82007-06-17 19:56:36 -0500343 struct serv_parm fc_sparam; /* buffer for our service parameters */
344
345 uint32_t fc_myDID; /* fibre channel S_ID */
346 uint32_t fc_prevDID; /* previous fibre channel S_ID */
347
348 int32_t stopped; /* HBA has not been restarted since last ERATT */
349 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
350
351 uint32_t num_disc_nodes; /*in addition to hba_state */
352
353 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
354 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
James Smart7f5f3d02008-02-08 18:50:14 -0500355 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
James Smart2e0fef82007-06-17 19:56:36 -0500356 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
357 struct lpfc_name fc_nodename; /* fc nodename */
358 struct lpfc_name fc_portname; /* fc portname */
359
360 struct lpfc_work_evt disc_timeout_evt;
361
362 struct timer_list fc_disctmo; /* Discovery rescue timer */
363 uint8_t fc_ns_retry; /* retries for fabric nameserver */
364 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
365
366 spinlock_t work_port_lock;
367 uint32_t work_port_events; /* Timeout to be handled */
James Smart858c9f62007-06-17 19:56:39 -0500368#define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
369#define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
370#define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
371
372#define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
373#define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
Joe Perchesb1c11812008-02-03 17:28:22 +0200374#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
James Smart858c9f62007-06-17 19:56:39 -0500375#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
376#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
James Smart2e0fef82007-06-17 19:56:36 -0500377
378 struct timer_list fc_fdmitmo;
379 struct timer_list els_tmofunc;
380
381 int unreg_vpi_cmpl;
382
383 uint8_t load_flag;
384#define FC_LOADING 0x1 /* HBA in process of loading drvr */
385#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
James Smart3de2a652007-08-02 11:09:59 -0400386 /* Vport Config Parameters */
387 uint32_t cfg_scan_down;
388 uint32_t cfg_lun_queue_depth;
389 uint32_t cfg_nodev_tmo;
390 uint32_t cfg_devloss_tmo;
391 uint32_t cfg_restrict_login;
392 uint32_t cfg_peer_port_login;
393 uint32_t cfg_fcp_class;
394 uint32_t cfg_use_adisc;
395 uint32_t cfg_fdmi_on;
396 uint32_t cfg_discovery_threads;
James Smarte8b62012007-08-02 11:10:09 -0400397 uint32_t cfg_log_verbose;
James Smart3de2a652007-08-02 11:09:59 -0400398 uint32_t cfg_max_luns;
James Smart7ee5d432007-10-27 13:37:17 -0400399 uint32_t cfg_enable_da_id;
James Smart977b5a02008-09-07 11:52:04 -0400400 uint32_t cfg_max_scsicmpl_time;
James Smart3de2a652007-08-02 11:09:59 -0400401
402 uint32_t dev_loss_tmo_changed;
James Smart51ef4c22007-08-02 11:10:31 -0400403
404 struct fc_vport *fc_vport;
405
James Smart923e4b62008-12-04 22:40:07 -0500406#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
James Smart51ef4c22007-08-02 11:10:31 -0400407 struct dentry *debug_disc_trc;
408 struct dentry *debug_nodelist;
409 struct dentry *vport_debugfs_root;
410 struct lpfc_debugfs_trc *disc_trc;
411 atomic_t disc_trc_cnt;
412#endif
James Smartea2151b2008-09-07 11:52:10 -0400413 uint8_t stat_data_enabled;
414 uint8_t stat_data_blocked;
James Smartda0436e2009-05-22 14:51:39 -0400415 struct list_head rcv_buffer_list;
James Smart45ed1192009-10-02 15:17:02 -0400416 unsigned long rcv_buffer_time_stamp;
James Smartda0436e2009-05-22 14:51:39 -0400417 uint32_t vport_flag;
418#define STATIC_VPORT 1
James Smart2e0fef82007-06-17 19:56:36 -0500419};
420
James Smarted957682007-06-17 19:56:37 -0500421struct hbq_s {
422 uint16_t entry_count; /* Current number of HBQ slots */
James Smarta8adb832007-10-27 13:37:53 -0400423 uint16_t buffer_count; /* Current number of buffers posted */
James Smarted957682007-06-17 19:56:37 -0500424 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
425 uint32_t hbqPutIdx; /* HBQ slot to use */
426 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
James Smart51ef4c22007-08-02 11:10:31 -0400427 void *hbq_virt; /* Virtual ptr to this hbq */
428 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
429 /* Callback for HBQ buffer allocation */
430 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
431 /* Callback for HBQ buffer free */
432 void (*hbq_free_buffer) (struct lpfc_hba *,
433 struct hbq_dmabuf *);
James Smarted957682007-06-17 19:56:37 -0500434};
435
James Smart51ef4c22007-08-02 11:10:31 -0400436#define LPFC_MAX_HBQS 4
437/* this matches the position in the lpfc_hbq_defs array */
James Smart92d7f7b2007-06-17 19:56:38 -0500438#define LPFC_ELS_HBQ 0
James Smart51ef4c22007-08-02 11:10:31 -0400439#define LPFC_EXTRA_HBQ 1
James Smarted957682007-06-17 19:56:37 -0500440
James Smart7af67052007-10-27 13:38:11 -0400441enum hba_temp_state {
442 HBA_NORMAL_TEMP,
443 HBA_OVER_TEMP
444};
445
James Smartdb2378e2008-02-08 18:49:51 -0500446enum intr_type_t {
447 NONE = 0,
448 INTx,
449 MSI,
450 MSIX,
451};
452
James Smartf1c3b0f2009-07-19 10:01:32 -0400453struct unsol_rcv_ct_ctx {
454 uint32_t ctxt_id;
455 uint32_t SID;
456 uint32_t oxid;
James Smart4fede782010-01-26 23:08:55 -0500457 uint32_t flags;
458#define UNSOL_VALID 0x00000001
James Smartf1c3b0f2009-07-19 10:01:32 -0400459};
460
James Smart2e0fef82007-06-17 19:56:36 -0500461struct lpfc_hba {
James Smart3772a992009-05-22 14:50:54 -0400462 /* SCSI interface function jump table entries */
463 int (*lpfc_new_scsi_buf)
464 (struct lpfc_vport *, int);
465 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
466 (struct lpfc_hba *);
467 int (*lpfc_scsi_prep_dma_buf)
468 (struct lpfc_hba *, struct lpfc_scsi_buf *);
469 void (*lpfc_scsi_unprep_dma_buf)
470 (struct lpfc_hba *, struct lpfc_scsi_buf *);
471 void (*lpfc_release_scsi_buf)
472 (struct lpfc_hba *, struct lpfc_scsi_buf *);
473 void (*lpfc_rampdown_queue_depth)
474 (struct lpfc_hba *);
475 void (*lpfc_scsi_prep_cmnd)
476 (struct lpfc_vport *, struct lpfc_scsi_buf *,
477 struct lpfc_nodelist *);
James Smart3772a992009-05-22 14:50:54 -0400478 /* IOCB interface function jump table entries */
479 int (*__lpfc_sli_issue_iocb)
480 (struct lpfc_hba *, uint32_t,
481 struct lpfc_iocbq *, uint32_t);
482 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
483 struct lpfc_iocbq *);
484 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
485
486
487 IOCB_t * (*lpfc_get_iocb_from_iocbq)
488 (struct lpfc_iocbq *);
489 void (*lpfc_scsi_cmd_iocb_cmpl)
490 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
491
492 /* MBOX interface function jump table entries */
493 int (*lpfc_sli_issue_mbox)
494 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
495 /* Slow-path IOCB process function jump table entries */
496 void (*lpfc_sli_handle_slow_ring_event)
497 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
498 uint32_t mask);
499 /* INIT device interface function jump table entries */
500 int (*lpfc_sli_hbq_to_firmware)
501 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
502 int (*lpfc_sli_brdrestart)
503 (struct lpfc_hba *);
504 int (*lpfc_sli_brdready)
505 (struct lpfc_hba *, uint32_t);
506 void (*lpfc_handle_eratt)
507 (struct lpfc_hba *);
508 void (*lpfc_stop_port)
509 (struct lpfc_hba *);
James Smart84d1b002010-02-12 14:42:33 -0500510 int (*lpfc_hba_init_link)
511 (struct lpfc_hba *);
512 int (*lpfc_hba_down_link)
513 (struct lpfc_hba *);
James Smart3772a992009-05-22 14:50:54 -0400514
James Smart3772a992009-05-22 14:50:54 -0400515 /* SLI4 specific HBA data structure */
516 struct lpfc_sli4_hba sli4_hba;
517
James Smart2e0fef82007-06-17 19:56:36 -0500518 struct lpfc_sli sli;
James Smart3772a992009-05-22 14:50:54 -0400519 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
520 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
James Smarted957682007-06-17 19:56:37 -0500521 uint32_t sli3_options; /* Mask of enabled SLI3 options */
James Smart34b02dc2008-08-24 21:49:55 -0400522#define LPFC_SLI3_HBQ_ENABLED 0x01
523#define LPFC_SLI3_NPIV_ENABLED 0x02
524#define LPFC_SLI3_VPORT_TEARDOWN 0x04
525#define LPFC_SLI3_CRP_ENABLED 0x08
526#define LPFC_SLI3_INB_ENABLED 0x10
James Smart81301a92008-12-04 22:39:46 -0500527#define LPFC_SLI3_BG_ENABLED 0x20
James Smartda0436e2009-05-22 14:51:39 -0400528#define LPFC_SLI3_DSS_ENABLED 0x40
James Smarted957682007-06-17 19:56:37 -0500529 uint32_t iocb_cmd_size;
530 uint32_t iocb_rsp_size;
James Smart2e0fef82007-06-17 19:56:36 -0500531
532 enum hba_state link_state;
533 uint32_t link_flag; /* link state flags */
James Smart311464e2007-08-02 11:10:37 -0400534#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
James Smart2e0fef82007-06-17 19:56:36 -0500535 /* This flag is set while issuing */
536 /* INIT_LINK mailbox command */
James Smart92d7f7b2007-06-17 19:56:38 -0500537#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
James Smart1b32f6a2008-02-08 18:49:39 -0500538#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
James Smart2e0fef82007-06-17 19:56:36 -0500539
James Smart93996272008-08-24 21:50:30 -0400540 uint32_t hba_flag; /* hba generic flags */
541#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
James Smartda0436e2009-05-22 14:51:39 -0400542#define DEFER_ERATT 0x2 /* Deferred error attention in progress */
543#define HBA_FCOE_SUPPORT 0x4 /* HBA function supports FCOE */
James Smart45ed1192009-10-02 15:17:02 -0400544#define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
James Smartda0436e2009-05-22 14:51:39 -0400545#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
546#define FCP_XRI_ABORT_EVENT 0x20
547#define ELS_XRI_ABORT_EVENT 0x40
548#define ASYNC_EVENT 0x80
James Smarta0c87cb2009-07-19 10:01:10 -0400549#define LINK_DISABLED 0x100 /* Link disabled by user */
James Smart32b97932009-07-19 10:01:21 -0400550#define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */
James Smart45ed1192009-10-02 15:17:02 -0400551#define HBA_FIP_SUPPORT 0x400 /* FIP support in HBA */
552#define HBA_AER_ENABLED 0x800 /* AER enabled with HBA */
553 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
James Smart34b02dc2008-08-24 21:49:55 -0400554 struct lpfc_dmabuf slim2p;
James Smart2e0fef82007-06-17 19:56:36 -0500555
James Smart34b02dc2008-08-24 21:49:55 -0400556 MAILBOX_t *mbox;
James Smart7a470272010-03-15 11:25:20 -0400557 uint32_t *mbox_ext;
James Smart34b02dc2008-08-24 21:49:55 -0400558 uint32_t *inb_ha_copy;
559 uint32_t *inb_counter;
560 uint32_t inb_last_counter;
James Smart93996272008-08-24 21:50:30 -0400561 uint32_t ha_copy;
James Smart34b02dc2008-08-24 21:49:55 -0400562 struct _PCB *pcb;
563 struct _IOCB *IOCBs;
564
565 struct lpfc_dmabuf hbqslimp;
James Smart2e0fef82007-06-17 19:56:36 -0500566
James Smart2e0fef82007-06-17 19:56:36 -0500567 uint16_t pci_cfg_value;
568
James Smart2e0fef82007-06-17 19:56:36 -0500569 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
570
571 uint32_t fc_eventTag; /* event tag for link attention */
James Smart4d9ab992009-10-02 15:16:39 -0400572 uint32_t link_events;
James Smart2e0fef82007-06-17 19:56:36 -0500573
James Smart2e0fef82007-06-17 19:56:36 -0500574 /* These fields used to be binfo */
575 uint32_t fc_pref_DID; /* preferred D_ID */
James Smart92d7f7b2007-06-17 19:56:38 -0500576 uint8_t fc_pref_ALPA; /* preferred AL_PA */
James Smart2e0fef82007-06-17 19:56:36 -0500577 uint32_t fc_edtov; /* E_D_TOV timer value */
578 uint32_t fc_arbtov; /* ARB_TOV timer value */
579 uint32_t fc_ratov; /* R_A_TOV timer value */
580 uint32_t fc_rttov; /* R_T_TOV timer value */
581 uint32_t fc_altov; /* AL_TOV timer value */
582 uint32_t fc_crtov; /* C_R_TOV timer value */
583 uint32_t fc_citov; /* C_I_TOV timer value */
584
585 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
586 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
587
588 uint32_t lmt;
589
590 uint32_t fc_topology; /* link topology, from LINK INIT */
591
592 struct lpfc_stats fc_stat;
593
dea31012005-04-17 16:05:31 -0500594 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
595 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
596
James Smart2e0fef82007-06-17 19:56:36 -0500597 uint8_t wwnn[8];
598 uint8_t wwpn[8];
dea31012005-04-17 16:05:31 -0500599 uint32_t RandomData[7];
600
James Smart3de2a652007-08-02 11:09:59 -0400601 /* HBA Config Parameters */
dea31012005-04-17 16:05:31 -0500602 uint32_t cfg_ack0;
James Smart78b2d852007-08-02 11:10:21 -0400603 uint32_t cfg_enable_npiv;
dea31012005-04-17 16:05:31 -0500604 uint32_t cfg_topology;
dea31012005-04-17 16:05:31 -0500605 uint32_t cfg_link_speed;
606 uint32_t cfg_cr_delay;
607 uint32_t cfg_cr_count;
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -0500608 uint32_t cfg_multi_ring_support;
James Smarta4bc3372006-12-02 13:34:16 -0500609 uint32_t cfg_multi_ring_rctl;
610 uint32_t cfg_multi_ring_type;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500611 uint32_t cfg_poll;
612 uint32_t cfg_poll_tmo;
James Smart4ff43242006-12-02 13:34:56 -0500613 uint32_t cfg_use_msi;
James Smartda0436e2009-05-22 14:51:39 -0400614 uint32_t cfg_fcp_imax;
615 uint32_t cfg_fcp_wq_count;
616 uint32_t cfg_fcp_eq_count;
dea31012005-04-17 16:05:31 -0500617 uint32_t cfg_sg_seg_cnt;
James Smart81301a92008-12-04 22:39:46 -0500618 uint32_t cfg_prot_sg_seg_cnt;
dea31012005-04-17 16:05:31 -0500619 uint32_t cfg_sg_dma_buf_size;
James Smarta12e07b2006-12-02 13:35:30 -0500620 uint64_t cfg_soft_wwnn;
James Smartc3f28af2006-08-18 17:47:18 -0400621 uint64_t cfg_soft_wwpn;
James Smart3de2a652007-08-02 11:09:59 -0400622 uint32_t cfg_hba_queue_depth;
James Smart13815c82008-01-11 01:52:48 -0500623 uint32_t cfg_enable_hba_reset;
624 uint32_t cfg_enable_hba_heartbeat;
James Smart81301a92008-12-04 22:39:46 -0500625 uint32_t cfg_enable_bg;
James Smart7a470272010-03-15 11:25:20 -0400626 uint32_t cfg_hostmem_hgp;
James Smartda0436e2009-05-22 14:51:39 -0400627 uint32_t cfg_log_verbose;
James Smart0d878412009-10-02 15:16:56 -0400628 uint32_t cfg_aer_support;
James Smart84d1b002010-02-12 14:42:33 -0500629 uint32_t cfg_suppress_link_up;
James Smarte40a02c2010-02-26 14:13:54 -0500630#define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
631#define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
632#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
James Smartc01f3202006-08-18 17:47:08 -0400633
dea31012005-04-17 16:05:31 -0500634 lpfc_vpd_t vpd; /* vital product data */
635
dea31012005-04-17 16:05:31 -0500636 struct pci_dev *pcidev;
637 struct list_head work_list;
638 uint32_t work_ha; /* Host Attention Bits for WT */
639 uint32_t work_ha_mask; /* HA Bits owned by WT */
640 uint32_t work_hs; /* HS stored in case of ERRAT */
641 uint32_t work_status[2]; /* Extra status from SLIM */
dea31012005-04-17 16:05:31 -0500642
James Smart5e9d9b82008-06-14 22:52:53 -0400643 wait_queue_head_t work_waitq;
dea31012005-04-17 16:05:31 -0500644 struct task_struct *worker_thread;
James Smartd7c255b2008-08-24 21:50:00 -0400645 unsigned long data_flags;
dea31012005-04-17 16:05:31 -0500646
James Smart3163f722008-02-08 18:50:25 -0500647 uint32_t hbq_in_use; /* HBQs in use flag */
James Smart3772a992009-05-22 14:50:54 -0400648 struct list_head rb_pend_list; /* Received buffers to be processed */
James Smarted957682007-06-17 19:56:37 -0500649 uint32_t hbq_count; /* Count of configured HBQs */
James Smart92d7f7b2007-06-17 19:56:38 -0500650 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
James Smarted957682007-06-17 19:56:37 -0500651
James Smart8fa38512009-07-19 10:01:03 -0400652 uint32_t fcp_qidx; /* next work queue to post work to */
653
dea31012005-04-17 16:05:31 -0500654 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
James Smart3772a992009-05-22 14:50:54 -0400655 unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */
dea31012005-04-17 16:05:31 -0500656 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
657 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
658 PCI BAR0 */
659 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
660 PCI BAR2 */
661
662 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
663 void __iomem *HAregaddr; /* virtual address for host attn reg */
664 void __iomem *CAregaddr; /* virtual address for chip attn reg */
665 void __iomem *HSregaddr; /* virtual address for host status
666 reg */
667 void __iomem *HCregaddr; /* virtual address for host ctl reg */
668
James Smarted957682007-06-17 19:56:37 -0500669 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
James Smart34b02dc2008-08-24 21:49:55 -0400670 struct lpfc_pgp *port_gp;
James Smarted957682007-06-17 19:56:37 -0500671 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
James Smart92d7f7b2007-06-17 19:56:38 -0500672 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
James Smarted957682007-06-17 19:56:37 -0500673
dea31012005-04-17 16:05:31 -0500674 int brd_no; /* FC board number */
675
676 char SerialNumber[32]; /* adapter Serial Number */
677 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
678 char ModelDesc[256]; /* Model Description */
679 char ModelName[80]; /* Model Name */
680 char ProgramType[256]; /* Program Type */
681 char Port[20]; /* Port No */
682 uint8_t vpd_flag; /* VPD data flag */
683
684#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
685#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
686#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
687#define VPD_PORT 0x8 /* valid vpd port data */
688#define VPD_MASK 0xf /* mask for any vpd data */
689
James Smarta12e07b2006-12-02 13:35:30 -0500690 uint8_t soft_wwn_enable;
James Smartc3f28af2006-08-18 17:47:18 -0400691
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500692 struct timer_list fcp_poll_timer;
James Smart93996272008-08-24 21:50:30 -0400693 struct timer_list eratt_poll;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500694
dea31012005-04-17 16:05:31 -0500695 /*
696 * stat counters
697 */
698 uint64_t fc4InputRequests;
699 uint64_t fc4OutputRequests;
700 uint64_t fc4ControlRequests;
James Smart81301a92008-12-04 22:39:46 -0500701 uint64_t bg_guard_err_cnt;
702 uint64_t bg_apptag_err_cnt;
703 uint64_t bg_reftag_err_cnt;
dea31012005-04-17 16:05:31 -0500704
705 struct lpfc_sysfs_mbox sysfs_mbox;
706
707 /* fastpath list. */
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500708 spinlock_t scsi_buf_list_lock;
dea31012005-04-17 16:05:31 -0500709 struct list_head lpfc_scsi_buf_list;
710 uint32_t total_scsi_bufs;
711 struct list_head lpfc_iocb_list;
712 uint32_t total_iocbq_bufs;
James Smart2e0fef82007-06-17 19:56:36 -0500713 spinlock_t hbalock;
dea31012005-04-17 16:05:31 -0500714
715 /* pci_mem_pools */
716 struct pci_pool *lpfc_scsi_dma_buf_pool;
717 struct pci_pool *lpfc_mbuf_pool;
James Smartda0436e2009-05-22 14:51:39 -0400718 struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
719 struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
James Smart8568a4d2009-07-19 10:01:16 -0400720 struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
dea31012005-04-17 16:05:31 -0500721 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
722
723 mempool_t *mbox_mem_pool;
724 mempool_t *nlp_mem_pool;
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -0400725
726 struct fc_host_statistics link_stats;
James Smartdb2378e2008-02-08 18:49:51 -0500727 enum intr_type_t intr_type;
James Smart5b75da22008-12-04 22:39:35 -0500728 uint32_t intr_mode;
729#define LPFC_INTR_ERROR 0xFFFFFFFF
James Smart93996272008-08-24 21:50:30 -0400730 struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
James Smart858c9f62007-06-17 19:56:39 -0500731
James Smart2e0fef82007-06-17 19:56:36 -0500732 struct list_head port_list;
James Smart549e55c2007-08-02 11:09:51 -0400733 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
734 uint16_t max_vpi; /* Maximum virtual nports */
James Smart09372822008-01-11 01:52:54 -0500735#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
James Smartda0436e2009-05-22 14:51:39 -0400736 uint16_t max_vports; /*
737 * For IOV HBAs max_vpi can change
738 * after a reset. max_vports is max
739 * number of vports present. This can
740 * be greater than max_vpi.
741 */
742 uint16_t vpi_base;
743 uint16_t vfi_base;
James Smart549e55c2007-08-02 11:09:51 -0400744 unsigned long *vpi_bmask; /* vpi allocation table */
James Smart92d7f7b2007-06-17 19:56:38 -0500745
746 /* Data structure used by fabric iocb scheduler */
747 struct list_head fabric_iocb_list;
748 atomic_t fabric_iocb_count;
749 struct timer_list fabric_block_timer;
750 unsigned long bit_flags;
751#define FABRIC_COMANDS_BLOCKED 0
752 atomic_t num_rsrc_err;
753 atomic_t num_cmd_success;
754 unsigned long last_rsrc_error_time;
755 unsigned long last_ramp_down_time;
756 unsigned long last_ramp_up_time;
James Smart923e4b62008-12-04 22:40:07 -0500757#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
James Smart858c9f62007-06-17 19:56:39 -0500758 struct dentry *hba_debugfs_root;
759 atomic_t debugfs_vport_count;
James Smart78b2d852007-08-02 11:10:21 -0400760 struct dentry *debug_hbqinfo;
James Smartc95d6c62008-01-11 01:53:23 -0500761 struct dentry *debug_dumpHostSlim;
762 struct dentry *debug_dumpHBASlim;
James Smart81301a92008-12-04 22:39:46 -0500763 struct dentry *debug_dumpData; /* BlockGuard BPL*/
764 struct dentry *debug_dumpDif; /* BlockGuard BPL*/
James Smarta58cbd52007-08-02 11:09:43 -0400765 struct dentry *debug_slow_ring_trc;
766 struct lpfc_debugfs_trc *slow_ring_trc;
767 atomic_t slow_ring_trc_cnt;
James Smart858c9f62007-06-17 19:56:39 -0500768#endif
769
James Smart0ff10d42008-01-11 01:52:36 -0500770 /* Used for deferred freeing of ELS data buffers */
771 struct list_head elsbuf;
772 int elsbuf_cnt;
773 int elsbuf_prev_cnt;
774
James Smart57127f12007-10-27 13:37:05 -0400775 uint8_t temp_sensor_support;
James Smart858c9f62007-06-17 19:56:39 -0500776 /* Fields used for heart beat. */
777 unsigned long last_completion_time;
778 struct timer_list hb_tmofunc;
779 uint8_t hb_outstanding;
James Smart84774a42008-08-24 21:50:06 -0400780 enum hba_temp_state over_temp_state;
James Smarte47c9092008-02-08 18:49:26 -0500781 /* ndlp reference management */
782 spinlock_t ndlp_lock;
James Smart76bb24e2007-10-27 13:38:00 -0400783 /*
784 * Following bit will be set for all buffer tags which are not
785 * associated with any HBQ.
786 */
787#define QUE_BUFTAG_BIT (1<<31)
788 uint32_t buffer_tag_count;
James Smart84774a42008-08-24 21:50:06 -0400789 int wait_4_mlo_maint_flg;
790 wait_queue_head_t wait_4_mlo_m_q;
James Smartea2151b2008-09-07 11:52:10 -0400791 /* data structure used for latency data collection */
792#define LPFC_NO_BUCKET 0
793#define LPFC_LINEAR_BUCKET 1
794#define LPFC_POWER2_BUCKET 2
795 uint8_t bucket_type;
796 uint32_t bucket_base;
797 uint32_t bucket_step;
798
799/* Maximum number of events that can be outstanding at any time*/
800#define LPFC_MAX_EVT_COUNT 512
801 atomic_t fast_event_count;
James Smart32b97932009-07-19 10:01:21 -0400802 uint32_t fcoe_eventtag;
803 uint32_t fcoe_eventtag_at_fcf_scan;
James Smartda0436e2009-05-22 14:51:39 -0400804 struct lpfc_fcf fcf;
805 uint8_t fc_map[3];
806 uint8_t valid_vlan;
807 uint16_t vlan_id;
808 struct list_head fcf_conn_rec_list;
James Smartf1c3b0f2009-07-19 10:01:32 -0400809
James Smart4fede782010-01-26 23:08:55 -0500810 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
James Smartf1c3b0f2009-07-19 10:01:32 -0400811 struct list_head ct_ev_waiters;
812 struct unsol_rcv_ct_ctx ct_ctx[64];
813 uint32_t ctx_idx;
James Smarte2aed292010-02-26 14:15:00 -0500814
815 uint8_t menlo_flag; /* menlo generic flags */
816#define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
dea31012005-04-17 16:05:31 -0500817};
818
James Smart2e0fef82007-06-17 19:56:36 -0500819static inline struct Scsi_Host *
820lpfc_shost_from_vport(struct lpfc_vport *vport)
821{
822 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
James Smart5b8bd0c2007-04-25 09:52:49 -0400823}
dea31012005-04-17 16:05:31 -0500824
James Smart2e0fef82007-06-17 19:56:36 -0500825static inline void
826lpfc_set_loopback_flag(struct lpfc_hba *phba)
827{
828 if (phba->cfg_topology == FLAGS_LOCAL_LB)
829 phba->link_flag |= LS_LOOPBACK_MODE;
830 else
831 phba->link_flag &= ~LS_LOOPBACK_MODE;
832}
833
834static inline int
835lpfc_is_link_up(struct lpfc_hba *phba)
836{
837 return phba->link_state == LPFC_LINK_UP ||
James Smart92d7f7b2007-06-17 19:56:38 -0500838 phba->link_state == LPFC_CLEAR_LA ||
839 phba->link_state == LPFC_HBA_READY;
James Smart2e0fef82007-06-17 19:56:36 -0500840}
841
James Smart5e9d9b82008-06-14 22:52:53 -0400842static inline void
843lpfc_worker_wake_up(struct lpfc_hba *phba)
844{
845 /* Set the lpfc data pending flag */
846 set_bit(LPFC_DATA_READY, &phba->data_flags);
847
848 /* Wake up worker thread */
849 wake_up(&phba->work_waitq);
850 return;
851}
852
James Smart93996272008-08-24 21:50:30 -0400853static inline void
854lpfc_sli_read_hs(struct lpfc_hba *phba)
855{
856 /*
857 * There was a link/board error. Read the status register to retrieve
858 * the error event and process it.
859 */
860 phba->sli.slistat.err_attn_event++;
861
862 /* Save status info */
863 phba->work_hs = readl(phba->HSregaddr);
864 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
865 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
866
867 /* Clear chip Host Attention error bit */
868 writel(HA_ERATT, phba->HAregaddr);
869 readl(phba->HAregaddr); /* flush */
870 phba->pport->stopped = 1;
871
872 return;
873}