blob: bcc56cac4fd8f358d53084b598c167d060a82c19 [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 Smartd4379ac2012-03-01 22:37:07 -05004 * Copyright (C) 2004-2012 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>
James Smart88a2cfb2011-07-22 18:36:33 -040023
24#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
25#define CONFIG_SCSI_LPFC_DEBUG_FS
26#endif
27
dea31012005-04-17 16:05:31 -050028struct lpfc_sli2_slim;
29
James Smart5402a312012-09-29 11:30:06 -040030#define ELX_MODEL_NAME_SIZE 80
31
James Smart3772a992009-05-22 14:50:54 -040032#define LPFC_PCI_DEV_LP 0x1
33#define LPFC_PCI_DEV_OC 0x2
34
35#define LPFC_SLI_REV2 2
36#define LPFC_SLI_REV3 3
37#define LPFC_SLI_REV4 4
38
James Smart97eab632008-04-07 10:16:05 -040039#define LPFC_MAX_TARGET 4096 /* max number of targets supported */
James Smarte17da182006-07-06 15:49:25 -040040#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
41 requests */
42#define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
43 the NameServer before giving up. */
James.Smart@Emulex.Com445cf4f2005-11-28 11:42:38 -050044#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
James Smart81301a92008-12-04 22:39:46 -050045#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
James Smarte2aed292010-02-26 14:15:00 -050046#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
47 cmnd for menlo needs nearly twice as for firmware
48 downloads using bsg */
James Smart96f70772013-04-17 20:16:15 -040049
50#define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */
51#define LPFC_MAX_SG_SLI4_SEG_CNT_DIF 128 /* sg element count per scsi cmnd */
52#define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */
James Smart81301a92008-12-04 22:39:46 -050053#define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
James Smart09294d42013-04-17 20:16:05 -040054#define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */
55#define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */
56
James Smart05580562011-05-24 11:40:48 -040057#define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */
dea31012005-04-17 16:05:31 -050058#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
James.Smart@Emulex.Com445cf4f2005-11-28 11:42:38 -050059#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
James Smart495a7142008-06-14 22:52:59 -040060#define LPFC_VNAME_LEN 100 /* vport symbolic name length */
James Smart977b5a02008-09-07 11:52:04 -040061#define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
62 queue depth change in millisecs */
63#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
James Smart7dc517d2010-07-14 15:32:10 -040064#define LPFC_MIN_TGT_QDEPTH 10
James Smart977b5a02008-09-07 11:52:04 -040065#define LPFC_MAX_TGT_QDEPTH 0xFFFF
dea31012005-04-17 16:05:31 -050066
James Smartea2151b2008-09-07 11:52:10 -040067#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
68 collection. */
James Smart92d7f7b2007-06-17 19:56:38 -050069/*
70 * Following time intervals are used of adjusting SCSI device
71 * queue depths when there are driver resource error or Firmware
72 * resource error.
73 */
James Smart256ec0d2013-04-17 20:14:58 -040074/* 1 Second */
75#define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
76/* 5 minutes */
77#define QUEUE_RAMP_UP_INTERVAL (msecs_to_jiffies(1000 * 300))
James Smart92d7f7b2007-06-17 19:56:38 -050078
79/* Number of exchanges reserved for discovery to complete */
80#define LPFC_DISC_IOCB_BUFF_COUNT 20
81
James Smart858c9f62007-06-17 19:56:39 -050082#define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
James Smart311464e2007-08-02 11:10:37 -040083#define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
James Smart858c9f62007-06-17 19:56:39 -050084
James Smartba20c852012-08-03 12:36:52 -040085#define LPFC_LOOK_AHEAD_OFF 0 /* Look ahead logic is turned off */
86
James Smart93996272008-08-24 21:50:30 -040087/* Error Attention event polling interval */
88#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
89
dea31012005-04-17 16:05:31 -050090/* Define macros for 64 bit support */
91#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
92#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
93#define getPaddr(high, low) ((dma_addr_t)( \
94 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
95/* Provide maximum configuration definitions. */
96#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
dea31012005-04-17 16:05:31 -050097#define FC_MAX_ADPTMSG 64
98
99#define MAX_HBAEVT 32
100
James Smart93996272008-08-24 21:50:30 -0400101/* Number of MSI-X vectors the driver uses */
102#define LPFC_MSIX_VECTORS 2
103
James Smart5e9d9b82008-06-14 22:52:53 -0400104/* lpfc wait event data ready flag */
105#define LPFC_DATA_READY (1<<0)
106
James Smart809c7532012-05-09 21:19:25 -0400107/* queue dump line buffer size */
108#define LPFC_LBUF_SZ 128
109
James Smart618a5232012-06-12 13:54:36 -0400110/* mailbox system shutdown options */
111#define LPFC_MBX_NO_WAIT 0
112#define LPFC_MBX_WAIT 1
113
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500114enum lpfc_polling_flags {
115 ENABLE_FCP_RING_POLLING = 0x1,
116 DISABLE_FCP_RING_INT = 0x2
117};
118
dea31012005-04-17 16:05:31 -0500119/* Provide DMA memory definitions the driver uses per port instance. */
120struct lpfc_dmabuf {
121 struct list_head list;
122 void *virt; /* virtual address ptr */
123 dma_addr_t phys; /* mapped address */
James Smart76bb24e2007-10-27 13:38:00 -0400124 uint32_t buffer_tag; /* used for tagged queue ring */
dea31012005-04-17 16:05:31 -0500125};
126
127struct lpfc_dma_pool {
128 struct lpfc_dmabuf *elements;
129 uint32_t max_count;
130 uint32_t current_count;
131};
132
James Smarted957682007-06-17 19:56:37 -0500133struct hbq_dmabuf {
James Smartda0436e2009-05-22 14:51:39 -0400134 struct lpfc_dmabuf hbuf;
James Smarted957682007-06-17 19:56:37 -0500135 struct lpfc_dmabuf dbuf;
James Smart51ef4c22007-08-02 11:10:31 -0400136 uint32_t size;
James Smarted957682007-06-17 19:56:37 -0500137 uint32_t tag;
James Smart4d9ab992009-10-02 15:16:39 -0400138 struct lpfc_cq_event cq_event;
James Smart45ed1192009-10-02 15:17:02 -0400139 unsigned long time_stamp;
James Smarted957682007-06-17 19:56:37 -0500140};
141
dea31012005-04-17 16:05:31 -0500142/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
143#define MEM_PRI 0x100
144
145
146/****************************************************************************/
147/* Device VPD save area */
148/****************************************************************************/
149typedef struct lpfc_vpd {
150 uint32_t status; /* vpd status value */
151 uint32_t length; /* number of bytes actually returned */
152 struct {
153 uint32_t rsvd1; /* Revision numbers */
154 uint32_t biuRev;
155 uint32_t smRev;
156 uint32_t smFwRev;
157 uint32_t endecRev;
158 uint16_t rBit;
159 uint8_t fcphHigh;
160 uint8_t fcphLow;
161 uint8_t feaLevelHigh;
162 uint8_t feaLevelLow;
163 uint32_t postKernRev;
164 uint32_t opFwRev;
165 uint8_t opFwName[16];
166 uint32_t sli1FwRev;
167 uint8_t sli1FwName[16];
168 uint32_t sli2FwRev;
169 uint8_t sli2FwName[16];
170 } rev;
James Smart92d7f7b2007-06-17 19:56:38 -0500171 struct {
172#ifdef __BIG_ENDIAN_BITFIELD
James Smartda0436e2009-05-22 14:51:39 -0400173 uint32_t rsvd3 :19; /* Reserved */
174 uint32_t cdss : 1; /* Configure Data Security SLI */
175 uint32_t rsvd2 : 3; /* Reserved */
176 uint32_t cbg : 1; /* Configure BlockGuard */
James Smart92d7f7b2007-06-17 19:56:38 -0500177 uint32_t cmv : 1; /* Configure Max VPIs */
178 uint32_t ccrp : 1; /* Config Command Ring Polling */
179 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
180 uint32_t chbs : 1; /* Cofigure Host Backing store */
181 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
182 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
183 uint32_t cmx : 1; /* Configure Max XRIs */
184 uint32_t cmr : 1; /* Configure Max RPIs */
185#else /* __LITTLE_ENDIAN */
186 uint32_t cmr : 1; /* Configure Max RPIs */
187 uint32_t cmx : 1; /* Configure Max XRIs */
188 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
189 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
190 uint32_t chbs : 1; /* Cofigure Host Backing store */
191 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
192 uint32_t ccrp : 1; /* Config Command Ring Polling */
193 uint32_t cmv : 1; /* Configure Max VPIs */
James Smartda0436e2009-05-22 14:51:39 -0400194 uint32_t cbg : 1; /* Configure BlockGuard */
195 uint32_t rsvd2 : 3; /* Reserved */
196 uint32_t cdss : 1; /* Configure Data Security SLI */
197 uint32_t rsvd3 :19; /* Reserved */
James Smart92d7f7b2007-06-17 19:56:38 -0500198#endif
199 } sli3Feat;
dea31012005-04-17 16:05:31 -0500200} lpfc_vpd_t;
201
202struct lpfc_scsi_buf;
203
204
205/*
206 * lpfc stat counters
207 */
208struct lpfc_stats {
209 /* Statistics for ELS commands */
210 uint32_t elsLogiCol;
211 uint32_t elsRetryExceeded;
212 uint32_t elsXmitRetry;
213 uint32_t elsDelayRetry;
214 uint32_t elsRcvDrop;
215 uint32_t elsRcvFrame;
216 uint32_t elsRcvRSCN;
217 uint32_t elsRcvRNID;
218 uint32_t elsRcvFARP;
219 uint32_t elsRcvFARPR;
220 uint32_t elsRcvFLOGI;
221 uint32_t elsRcvPLOGI;
222 uint32_t elsRcvADISC;
223 uint32_t elsRcvPDISC;
224 uint32_t elsRcvFAN;
225 uint32_t elsRcvLOGO;
226 uint32_t elsRcvPRLO;
227 uint32_t elsRcvPRLI;
Jamie Wellnitz7bb3b132006-02-28 19:25:15 -0500228 uint32_t elsRcvLIRR;
James Smart12265f62010-10-22 11:05:53 -0400229 uint32_t elsRcvRLS;
Jamie Wellnitz7bb3b132006-02-28 19:25:15 -0500230 uint32_t elsRcvRPS;
231 uint32_t elsRcvRPL;
James Smart5ffc2662009-11-18 15:39:44 -0500232 uint32_t elsRcvRRQ;
James Smart12265f62010-10-22 11:05:53 -0400233 uint32_t elsRcvRTV;
234 uint32_t elsRcvECHO;
dea31012005-04-17 16:05:31 -0500235 uint32_t elsXmitFLOGI;
James Smart92d7f7b2007-06-17 19:56:38 -0500236 uint32_t elsXmitFDISC;
dea31012005-04-17 16:05:31 -0500237 uint32_t elsXmitPLOGI;
238 uint32_t elsXmitPRLI;
239 uint32_t elsXmitADISC;
240 uint32_t elsXmitLOGO;
241 uint32_t elsXmitSCR;
242 uint32_t elsXmitRNID;
243 uint32_t elsXmitFARP;
244 uint32_t elsXmitFARPR;
245 uint32_t elsXmitACC;
246 uint32_t elsXmitLSRJT;
247
248 uint32_t frameRcvBcast;
249 uint32_t frameRcvMulti;
250 uint32_t strayXmitCmpl;
251 uint32_t frameXmitDelay;
252 uint32_t xriCmdCmpl;
253 uint32_t xriStatErr;
254 uint32_t LinkUp;
255 uint32_t LinkDown;
256 uint32_t LinkMultiEvent;
257 uint32_t NoRcvBuf;
258 uint32_t fcpCmd;
259 uint32_t fcpCmpl;
260 uint32_t fcpRspErr;
261 uint32_t fcpRemoteStop;
262 uint32_t fcpPortRjt;
263 uint32_t fcpPortBusy;
264 uint32_t fcpError;
265 uint32_t fcpLocalErr;
266};
267
James Smart2e0fef82007-06-17 19:56:36 -0500268struct lpfc_hba;
dea31012005-04-17 16:05:31 -0500269
James Smart92d7f7b2007-06-17 19:56:38 -0500270
James Smart2e0fef82007-06-17 19:56:36 -0500271enum discovery_state {
James Smart92d7f7b2007-06-17 19:56:38 -0500272 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
273 LPFC_VPORT_FAILED = 1, /* vport has failed */
274 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
275 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
276 LPFC_FDISC = 8, /* FDISC sent for vport */
277 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
278 * configured */
279 LPFC_NS_REG = 10, /* Register with NameServer */
280 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
281 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
282 * device authentication / discovery */
283 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
284 LPFC_VPORT_READY = 32,
James Smart2e0fef82007-06-17 19:56:36 -0500285};
dea31012005-04-17 16:05:31 -0500286
James Smart2e0fef82007-06-17 19:56:36 -0500287enum hba_state {
288 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
289 LPFC_WARM_START = 1, /* HBA state after selective reset */
290 LPFC_INIT_START = 2, /* Initial state after board reset */
291 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
292 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
293 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
James Smart92d7f7b2007-06-17 19:56:38 -0500294 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
James Smart2e0fef82007-06-17 19:56:36 -0500295 * CLEAR_LA */
James Smart92d7f7b2007-06-17 19:56:38 -0500296 LPFC_HBA_READY = 32,
James Smart2e0fef82007-06-17 19:56:36 -0500297 LPFC_HBA_ERROR = -1
298};
dea31012005-04-17 16:05:31 -0500299
James Smart2e0fef82007-06-17 19:56:36 -0500300struct lpfc_vport {
James Smart2e0fef82007-06-17 19:56:36 -0500301 struct lpfc_hba *phba;
James Smart3772a992009-05-22 14:50:54 -0400302 struct list_head listentry;
James Smart2e0fef82007-06-17 19:56:36 -0500303 uint8_t port_type;
304#define LPFC_PHYSICAL_PORT 1
305#define LPFC_NPIV_PORT 2
306#define LPFC_FABRIC_PORT 3
307 enum discovery_state port_state;
dea31012005-04-17 16:05:31 -0500308
James Smart92d7f7b2007-06-17 19:56:38 -0500309 uint16_t vpi;
James Smartda0436e2009-05-22 14:51:39 -0400310 uint16_t vfi;
James Smartc8685952009-11-18 15:39:16 -0500311 uint8_t vpi_state;
312#define LPFC_VPI_REGISTERED 0x1
dea31012005-04-17 16:05:31 -0500313
dea31012005-04-17 16:05:31 -0500314 uint32_t fc_flag; /* FC flags */
James Smart2e0fef82007-06-17 19:56:36 -0500315/* Several of these flags are HBA centric and should be moved to
316 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
317 */
James Smart92d7f7b2007-06-17 19:56:38 -0500318#define FC_PT2PT 0x1 /* pt2pt with no fabric */
319#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
320#define FC_DISC_TMO 0x4 /* Discovery timer running */
321#define FC_PUBLIC_LOOP 0x8 /* Public loop */
322#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
323#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
324#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
325#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
326#define FC_FABRIC 0x100 /* We are fabric attached */
James Smart4b40c592010-03-15 11:25:44 -0400327#define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
James Smart92d7f7b2007-06-17 19:56:38 -0500328#define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
James Smart4b40c592010-03-15 11:25:44 -0400329#define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
James Smart92d7f7b2007-06-17 19:56:38 -0500330#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
331#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
332#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
333#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
James Smart92d7f7b2007-06-17 19:56:38 -0500334#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
335#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
James Smart1c6834a2009-07-19 10:01:26 -0400336#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
James Smart695a8142010-01-26 23:08:03 -0500337#define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
338#define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
339#define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
James Smart92494142011-02-16 12:39:44 -0500340#define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
dea31012005-04-17 16:05:31 -0500341
James Smart7ee5d432007-10-27 13:37:17 -0400342 uint32_t ct_flags;
343#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
344#define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
345#define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
346#define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
347#define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
348
James Smart685f0bf2007-04-25 09:53:08 -0400349 struct list_head fc_nodes;
dea31012005-04-17 16:05:31 -0500350
351 /* Keep counters for the number of entries in each list. */
352 uint16_t fc_plogi_cnt;
353 uint16_t fc_adisc_cnt;
354 uint16_t fc_reglogin_cnt;
355 uint16_t fc_prli_cnt;
356 uint16_t fc_unmap_cnt;
357 uint16_t fc_map_cnt;
358 uint16_t fc_npr_cnt;
359 uint16_t fc_unused_cnt;
James Smart2e0fef82007-06-17 19:56:36 -0500360 struct serv_parm fc_sparam; /* buffer for our service parameters */
361
362 uint32_t fc_myDID; /* fibre channel S_ID */
363 uint32_t fc_prevDID; /* previous fibre channel S_ID */
James Smart92494142011-02-16 12:39:44 -0500364 struct lpfc_name fabric_portname;
365 struct lpfc_name fabric_nodename;
James Smart2e0fef82007-06-17 19:56:36 -0500366
367 int32_t stopped; /* HBA has not been restarted since last ERATT */
368 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
369
370 uint32_t num_disc_nodes; /*in addition to hba_state */
371
372 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
373 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
James Smart7f5f3d02008-02-08 18:50:14 -0500374 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
James Smart2e0fef82007-06-17 19:56:36 -0500375 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
376 struct lpfc_name fc_nodename; /* fc nodename */
377 struct lpfc_name fc_portname; /* fc portname */
378
379 struct lpfc_work_evt disc_timeout_evt;
380
381 struct timer_list fc_disctmo; /* Discovery rescue timer */
382 uint8_t fc_ns_retry; /* retries for fabric nameserver */
383 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
384
385 spinlock_t work_port_lock;
386 uint32_t work_port_events; /* Timeout to be handled */
James Smart858c9f62007-06-17 19:56:39 -0500387#define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
388#define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
389#define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
James Smart92494142011-02-16 12:39:44 -0500390#define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
James Smart858c9f62007-06-17 19:56:39 -0500391
392#define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
393#define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
Joe Perchesb1c11812008-02-03 17:28:22 +0200394#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
James Smart858c9f62007-06-17 19:56:39 -0500395#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
396#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
James Smart2a9bf3d2010-06-07 15:24:45 -0400397#define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
James Smart2e0fef82007-06-17 19:56:36 -0500398
399 struct timer_list fc_fdmitmo;
400 struct timer_list els_tmofunc;
James Smart92494142011-02-16 12:39:44 -0500401 struct timer_list delayed_disc_tmo;
James Smart2e0fef82007-06-17 19:56:36 -0500402
403 int unreg_vpi_cmpl;
404
405 uint8_t load_flag;
406#define FC_LOADING 0x1 /* HBA in process of loading drvr */
407#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
James Smart3de2a652007-08-02 11:09:59 -0400408 /* Vport Config Parameters */
409 uint32_t cfg_scan_down;
410 uint32_t cfg_lun_queue_depth;
411 uint32_t cfg_nodev_tmo;
412 uint32_t cfg_devloss_tmo;
413 uint32_t cfg_restrict_login;
414 uint32_t cfg_peer_port_login;
415 uint32_t cfg_fcp_class;
416 uint32_t cfg_use_adisc;
417 uint32_t cfg_fdmi_on;
418 uint32_t cfg_discovery_threads;
James Smarte8b62012007-08-02 11:10:09 -0400419 uint32_t cfg_log_verbose;
James Smart3de2a652007-08-02 11:09:59 -0400420 uint32_t cfg_max_luns;
James Smart7ee5d432007-10-27 13:37:17 -0400421 uint32_t cfg_enable_da_id;
James Smart977b5a02008-09-07 11:52:04 -0400422 uint32_t cfg_max_scsicmpl_time;
James Smart7dc517d2010-07-14 15:32:10 -0400423 uint32_t cfg_tgt_queue_depth;
James Smart3de2a652007-08-02 11:09:59 -0400424
425 uint32_t dev_loss_tmo_changed;
James Smart51ef4c22007-08-02 11:10:31 -0400426
427 struct fc_vport *fc_vport;
428
James Smart923e4b62008-12-04 22:40:07 -0500429#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
James Smart51ef4c22007-08-02 11:10:31 -0400430 struct dentry *debug_disc_trc;
431 struct dentry *debug_nodelist;
432 struct dentry *vport_debugfs_root;
433 struct lpfc_debugfs_trc *disc_trc;
434 atomic_t disc_trc_cnt;
435#endif
James Smartea2151b2008-09-07 11:52:10 -0400436 uint8_t stat_data_enabled;
437 uint8_t stat_data_blocked;
James Smartda0436e2009-05-22 14:51:39 -0400438 struct list_head rcv_buffer_list;
James Smart45ed1192009-10-02 15:17:02 -0400439 unsigned long rcv_buffer_time_stamp;
James Smartda0436e2009-05-22 14:51:39 -0400440 uint32_t vport_flag;
441#define STATIC_VPORT 1
James Smart2e0fef82007-06-17 19:56:36 -0500442};
443
James Smarted957682007-06-17 19:56:37 -0500444struct hbq_s {
445 uint16_t entry_count; /* Current number of HBQ slots */
James Smarta8adb832007-10-27 13:37:53 -0400446 uint16_t buffer_count; /* Current number of buffers posted */
James Smarted957682007-06-17 19:56:37 -0500447 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
448 uint32_t hbqPutIdx; /* HBQ slot to use */
449 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
James Smart51ef4c22007-08-02 11:10:31 -0400450 void *hbq_virt; /* Virtual ptr to this hbq */
451 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
452 /* Callback for HBQ buffer allocation */
453 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
454 /* Callback for HBQ buffer free */
455 void (*hbq_free_buffer) (struct lpfc_hba *,
456 struct hbq_dmabuf *);
James Smarted957682007-06-17 19:56:37 -0500457};
458
James Smart51ef4c22007-08-02 11:10:31 -0400459#define LPFC_MAX_HBQS 4
460/* this matches the position in the lpfc_hbq_defs array */
James Smart92d7f7b2007-06-17 19:56:38 -0500461#define LPFC_ELS_HBQ 0
James Smart51ef4c22007-08-02 11:10:31 -0400462#define LPFC_EXTRA_HBQ 1
James Smarted957682007-06-17 19:56:37 -0500463
James Smart7af67052007-10-27 13:38:11 -0400464enum hba_temp_state {
465 HBA_NORMAL_TEMP,
466 HBA_OVER_TEMP
467};
468
James Smartdb2378e2008-02-08 18:49:51 -0500469enum intr_type_t {
470 NONE = 0,
471 INTx,
472 MSI,
473 MSIX,
474};
475
James Smart6dd9e312013-01-03 15:43:37 -0500476#define LPFC_CT_CTX_MAX 64
James Smartf1c3b0f2009-07-19 10:01:32 -0400477struct unsol_rcv_ct_ctx {
478 uint32_t ctxt_id;
479 uint32_t SID;
James Smart6dd9e312013-01-03 15:43:37 -0500480 uint32_t valid;
481#define UNSOL_INVALID 0
482#define UNSOL_VALID 1
James Smart7851fe22011-07-22 18:36:52 -0400483 uint16_t oxid;
484 uint16_t rxid;
James Smartf1c3b0f2009-07-19 10:01:32 -0400485};
486
James Smart76a95d72010-11-20 23:11:48 -0500487#define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
488#define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
489#define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
490#define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
491#define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
492#define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
493#define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
494#define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_16G
495#define LPFC_USER_LINK_SPEED_BITMAP ((1 << LPFC_USER_LINK_SPEED_16G) | \
496 (1 << LPFC_USER_LINK_SPEED_10G) | \
497 (1 << LPFC_USER_LINK_SPEED_8G) | \
498 (1 << LPFC_USER_LINK_SPEED_4G) | \
499 (1 << LPFC_USER_LINK_SPEED_2G) | \
500 (1 << LPFC_USER_LINK_SPEED_1G) | \
501 (1 << LPFC_USER_LINK_SPEED_AUTO))
502#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16"
503
James Smart7ad20aa2011-05-24 11:44:28 -0400504enum nemb_type {
505 nemb_mse = 1,
506 nemb_hbd
507};
508
509enum mbox_type {
510 mbox_rd = 1,
511 mbox_wr
512};
513
514enum dma_type {
515 dma_mbox = 1,
516 dma_ebuf
517};
518
519enum sta_type {
520 sta_pre_addr = 1,
521 sta_pos_addr
522};
523
524struct lpfc_mbox_ext_buf_ctx {
525 uint32_t state;
526#define LPFC_BSG_MBOX_IDLE 0
527#define LPFC_BSG_MBOX_HOST 1
528#define LPFC_BSG_MBOX_PORT 2
529#define LPFC_BSG_MBOX_DONE 3
530#define LPFC_BSG_MBOX_ABTS 4
531 enum nemb_type nembType;
532 enum mbox_type mboxType;
533 uint32_t numBuf;
534 uint32_t mbxTag;
535 uint32_t seqNum;
536 struct lpfc_dmabuf *mbx_dmabuf;
537 struct list_head ext_dmabuf_list;
538};
539
James Smart2e0fef82007-06-17 19:56:36 -0500540struct lpfc_hba {
James Smart3772a992009-05-22 14:50:54 -0400541 /* SCSI interface function jump table entries */
542 int (*lpfc_new_scsi_buf)
543 (struct lpfc_vport *, int);
544 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
James Smart19ca7602010-11-20 23:11:55 -0500545 (struct lpfc_hba *, struct lpfc_nodelist *);
James Smart3772a992009-05-22 14:50:54 -0400546 int (*lpfc_scsi_prep_dma_buf)
547 (struct lpfc_hba *, struct lpfc_scsi_buf *);
548 void (*lpfc_scsi_unprep_dma_buf)
549 (struct lpfc_hba *, struct lpfc_scsi_buf *);
550 void (*lpfc_release_scsi_buf)
551 (struct lpfc_hba *, struct lpfc_scsi_buf *);
552 void (*lpfc_rampdown_queue_depth)
553 (struct lpfc_hba *);
554 void (*lpfc_scsi_prep_cmnd)
555 (struct lpfc_vport *, struct lpfc_scsi_buf *,
556 struct lpfc_nodelist *);
James Smartacd68592012-01-18 16:25:09 -0500557
James Smart3772a992009-05-22 14:50:54 -0400558 /* IOCB interface function jump table entries */
559 int (*__lpfc_sli_issue_iocb)
560 (struct lpfc_hba *, uint32_t,
561 struct lpfc_iocbq *, uint32_t);
562 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
563 struct lpfc_iocbq *);
564 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
James Smart3772a992009-05-22 14:50:54 -0400565 IOCB_t * (*lpfc_get_iocb_from_iocbq)
566 (struct lpfc_iocbq *);
567 void (*lpfc_scsi_cmd_iocb_cmpl)
568 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
569
570 /* MBOX interface function jump table entries */
571 int (*lpfc_sli_issue_mbox)
572 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
James Smartacd68592012-01-18 16:25:09 -0500573
James Smart3772a992009-05-22 14:50:54 -0400574 /* Slow-path IOCB process function jump table entries */
575 void (*lpfc_sli_handle_slow_ring_event)
576 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
577 uint32_t mask);
James Smartacd68592012-01-18 16:25:09 -0500578
James Smart3772a992009-05-22 14:50:54 -0400579 /* INIT device interface function jump table entries */
580 int (*lpfc_sli_hbq_to_firmware)
581 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
582 int (*lpfc_sli_brdrestart)
583 (struct lpfc_hba *);
584 int (*lpfc_sli_brdready)
585 (struct lpfc_hba *, uint32_t);
586 void (*lpfc_handle_eratt)
587 (struct lpfc_hba *);
588 void (*lpfc_stop_port)
589 (struct lpfc_hba *);
James Smart84d1b002010-02-12 14:42:33 -0500590 int (*lpfc_hba_init_link)
James Smart6e7288d2010-06-07 15:23:35 -0400591 (struct lpfc_hba *, uint32_t);
James Smart84d1b002010-02-12 14:42:33 -0500592 int (*lpfc_hba_down_link)
James Smart6e7288d2010-06-07 15:23:35 -0400593 (struct lpfc_hba *, uint32_t);
James Smart7f860592011-03-11 16:05:52 -0500594 int (*lpfc_selective_reset)
595 (struct lpfc_hba *);
James Smart3772a992009-05-22 14:50:54 -0400596
James Smartacd68592012-01-18 16:25:09 -0500597 int (*lpfc_bg_scsi_prep_dma_buf)
598 (struct lpfc_hba *, struct lpfc_scsi_buf *);
599 /* Add new entries here */
600
James Smart3772a992009-05-22 14:50:54 -0400601 /* SLI4 specific HBA data structure */
602 struct lpfc_sli4_hba sli4_hba;
603
James Smart2e0fef82007-06-17 19:56:36 -0500604 struct lpfc_sli sli;
James Smart3772a992009-05-22 14:50:54 -0400605 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
606 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
James Smarted957682007-06-17 19:56:37 -0500607 uint32_t sli3_options; /* Mask of enabled SLI3 options */
James Smart34b02dc2008-08-24 21:49:55 -0400608#define LPFC_SLI3_HBQ_ENABLED 0x01
609#define LPFC_SLI3_NPIV_ENABLED 0x02
610#define LPFC_SLI3_VPORT_TEARDOWN 0x04
611#define LPFC_SLI3_CRP_ENABLED 0x08
James Smart81301a92008-12-04 22:39:46 -0500612#define LPFC_SLI3_BG_ENABLED 0x20
James Smartda0436e2009-05-22 14:51:39 -0400613#define LPFC_SLI3_DSS_ENABLED 0x40
James Smartfedd3b72011-02-16 12:39:24 -0500614#define LPFC_SLI4_PERFH_ENABLED 0x80
615#define LPFC_SLI4_PHWQ_ENABLED 0x100
James Smarted957682007-06-17 19:56:37 -0500616 uint32_t iocb_cmd_size;
617 uint32_t iocb_rsp_size;
James Smart2e0fef82007-06-17 19:56:36 -0500618
619 enum hba_state link_state;
620 uint32_t link_flag; /* link state flags */
James Smart311464e2007-08-02 11:10:37 -0400621#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
James Smart2e0fef82007-06-17 19:56:36 -0500622 /* This flag is set while issuing */
623 /* INIT_LINK mailbox command */
James Smart92d7f7b2007-06-17 19:56:38 -0500624#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
James Smart1b32f6a2008-02-08 18:49:39 -0500625#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
James Smart2e0fef82007-06-17 19:56:36 -0500626
James Smart93996272008-08-24 21:50:30 -0400627 uint32_t hba_flag; /* hba generic flags */
628#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
James Smartda0436e2009-05-22 14:51:39 -0400629#define DEFER_ERATT 0x2 /* Deferred error attention in progress */
James Smart76a95d72010-11-20 23:11:48 -0500630#define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
James Smart45ed1192009-10-02 15:17:02 -0400631#define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
James Smartda0436e2009-05-22 14:51:39 -0400632#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
633#define FCP_XRI_ABORT_EVENT 0x20
634#define ELS_XRI_ABORT_EVENT 0x40
635#define ASYNC_EVENT 0x80
James Smarta0c87cb2009-07-19 10:01:10 -0400636#define LINK_DISABLED 0x100 /* Link disabled by user */
James Smarta93ff372010-10-22 11:06:08 -0400637#define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
638#define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
639#define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
640#define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
641#define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
James Smart19ca7602010-11-20 23:11:55 -0500642#define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
James Smart4f2e66c2012-05-09 21:17:07 -0400643#define HBA_FCP_IOQ_FLUSH 0x8000 /* FCP I/O queues being flushed */
James Smart45ed1192009-10-02 15:17:02 -0400644 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
James Smart34b02dc2008-08-24 21:49:55 -0400645 struct lpfc_dmabuf slim2p;
James Smart2e0fef82007-06-17 19:56:36 -0500646
James Smart34b02dc2008-08-24 21:49:55 -0400647 MAILBOX_t *mbox;
James Smart7a470272010-03-15 11:25:20 -0400648 uint32_t *mbox_ext;
James Smart7ad20aa2011-05-24 11:44:28 -0400649 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
James Smart93996272008-08-24 21:50:30 -0400650 uint32_t ha_copy;
James Smart34b02dc2008-08-24 21:49:55 -0400651 struct _PCB *pcb;
652 struct _IOCB *IOCBs;
653
654 struct lpfc_dmabuf hbqslimp;
James Smart2e0fef82007-06-17 19:56:36 -0500655
James Smart2e0fef82007-06-17 19:56:36 -0500656 uint16_t pci_cfg_value;
657
James Smart2e0fef82007-06-17 19:56:36 -0500658 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
659
660 uint32_t fc_eventTag; /* event tag for link attention */
James Smart4d9ab992009-10-02 15:16:39 -0400661 uint32_t link_events;
James Smart2e0fef82007-06-17 19:56:36 -0500662
James Smart2e0fef82007-06-17 19:56:36 -0500663 /* These fields used to be binfo */
664 uint32_t fc_pref_DID; /* preferred D_ID */
James Smart92d7f7b2007-06-17 19:56:38 -0500665 uint8_t fc_pref_ALPA; /* preferred AL_PA */
James Smart12265f62010-10-22 11:05:53 -0400666 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
James Smart2e0fef82007-06-17 19:56:36 -0500667 uint32_t fc_edtov; /* E_D_TOV timer value */
668 uint32_t fc_arbtov; /* ARB_TOV timer value */
669 uint32_t fc_ratov; /* R_A_TOV timer value */
670 uint32_t fc_rttov; /* R_T_TOV timer value */
671 uint32_t fc_altov; /* AL_TOV timer value */
672 uint32_t fc_crtov; /* C_R_TOV timer value */
673 uint32_t fc_citov; /* C_I_TOV timer value */
674
675 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
676 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
677
678 uint32_t lmt;
679
680 uint32_t fc_topology; /* link topology, from LINK INIT */
James Smarte74c03c2013-04-17 20:15:19 -0400681 uint32_t fc_topology_changed; /* link topology, from LINK INIT */
James Smart2e0fef82007-06-17 19:56:36 -0500682
683 struct lpfc_stats fc_stat;
684
dea31012005-04-17 16:05:31 -0500685 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
686 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
687
James Smart2e0fef82007-06-17 19:56:36 -0500688 uint8_t wwnn[8];
689 uint8_t wwpn[8];
dea31012005-04-17 16:05:31 -0500690 uint32_t RandomData[7];
691
James Smart3de2a652007-08-02 11:09:59 -0400692 /* HBA Config Parameters */
dea31012005-04-17 16:05:31 -0500693 uint32_t cfg_ack0;
James Smart78b2d852007-08-02 11:10:21 -0400694 uint32_t cfg_enable_npiv;
James Smart19ca7602010-11-20 23:11:55 -0500695 uint32_t cfg_enable_rrq;
dea31012005-04-17 16:05:31 -0500696 uint32_t cfg_topology;
dea31012005-04-17 16:05:31 -0500697 uint32_t cfg_link_speed;
James Smart7d791df2011-07-22 18:37:52 -0400698#define LPFC_FCF_FOV 1 /* Fast fcf failover */
699#define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
700 uint32_t cfg_fcf_failover_policy;
James Smart49aa1432012-08-03 12:36:42 -0400701 uint32_t cfg_fcp_io_sched;
James Smarta6571c62012-10-31 14:44:42 -0400702 uint32_t cfg_fcp2_no_tgt_reset;
dea31012005-04-17 16:05:31 -0500703 uint32_t cfg_cr_delay;
704 uint32_t cfg_cr_count;
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -0500705 uint32_t cfg_multi_ring_support;
James Smarta4bc3372006-12-02 13:34:16 -0500706 uint32_t cfg_multi_ring_rctl;
707 uint32_t cfg_multi_ring_type;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500708 uint32_t cfg_poll;
709 uint32_t cfg_poll_tmo;
James Smart4ff43242006-12-02 13:34:56 -0500710 uint32_t cfg_use_msi;
James Smartda0436e2009-05-22 14:51:39 -0400711 uint32_t cfg_fcp_imax;
James Smart7bb03bb2013-04-17 20:19:16 -0400712 uint32_t cfg_fcp_cpu_map;
James Smartda0436e2009-05-22 14:51:39 -0400713 uint32_t cfg_fcp_wq_count;
714 uint32_t cfg_fcp_eq_count;
James Smart67d12732012-08-03 12:36:13 -0400715 uint32_t cfg_fcp_io_channel;
James Smart96f70772013-04-17 20:16:15 -0400716 uint32_t cfg_total_seg_cnt;
dea31012005-04-17 16:05:31 -0500717 uint32_t cfg_sg_seg_cnt;
James Smart81301a92008-12-04 22:39:46 -0500718 uint32_t cfg_prot_sg_seg_cnt;
dea31012005-04-17 16:05:31 -0500719 uint32_t cfg_sg_dma_buf_size;
James Smarta12e07b2006-12-02 13:35:30 -0500720 uint64_t cfg_soft_wwnn;
James Smartc3f28af2006-08-18 17:47:18 -0400721 uint64_t cfg_soft_wwpn;
James Smart3de2a652007-08-02 11:09:59 -0400722 uint32_t cfg_hba_queue_depth;
James Smart13815c82008-01-11 01:52:48 -0500723 uint32_t cfg_enable_hba_reset;
724 uint32_t cfg_enable_hba_heartbeat;
James Smart81301a92008-12-04 22:39:46 -0500725 uint32_t cfg_enable_bg;
James Smart7a470272010-03-15 11:25:20 -0400726 uint32_t cfg_hostmem_hgp;
James Smartda0436e2009-05-22 14:51:39 -0400727 uint32_t cfg_log_verbose;
James Smart0d878412009-10-02 15:16:56 -0400728 uint32_t cfg_aer_support;
James Smart912e3ac2011-05-24 11:42:11 -0400729 uint32_t cfg_sriov_nr_virtfn;
James Smartc71ab862012-10-31 14:44:33 -0400730 uint32_t cfg_request_firmware_upgrade;
James Smart2a9bf3d2010-06-07 15:24:45 -0400731 uint32_t cfg_iocb_cnt;
James Smart84d1b002010-02-12 14:42:33 -0500732 uint32_t cfg_suppress_link_up;
James Smarte40a02c2010-02-26 14:13:54 -0500733#define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
734#define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
735#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
James Smartab56dc22011-02-16 12:39:57 -0500736 uint32_t cfg_enable_dss;
dea31012005-04-17 16:05:31 -0500737 lpfc_vpd_t vpd; /* vital product data */
738
dea31012005-04-17 16:05:31 -0500739 struct pci_dev *pcidev;
740 struct list_head work_list;
741 uint32_t work_ha; /* Host Attention Bits for WT */
742 uint32_t work_ha_mask; /* HA Bits owned by WT */
743 uint32_t work_hs; /* HS stored in case of ERRAT */
744 uint32_t work_status[2]; /* Extra status from SLIM */
dea31012005-04-17 16:05:31 -0500745
James Smart5e9d9b82008-06-14 22:52:53 -0400746 wait_queue_head_t work_waitq;
dea31012005-04-17 16:05:31 -0500747 struct task_struct *worker_thread;
James Smartd7c255b2008-08-24 21:50:00 -0400748 unsigned long data_flags;
dea31012005-04-17 16:05:31 -0500749
James Smart3163f722008-02-08 18:50:25 -0500750 uint32_t hbq_in_use; /* HBQs in use flag */
James Smart3772a992009-05-22 14:50:54 -0400751 struct list_head rb_pend_list; /* Received buffers to be processed */
James Smarted957682007-06-17 19:56:37 -0500752 uint32_t hbq_count; /* Count of configured HBQs */
James Smart92d7f7b2007-06-17 19:56:38 -0500753 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
James Smarted957682007-06-17 19:56:37 -0500754
James Smart2a76a282012-08-03 12:35:54 -0400755 atomic_t fcp_qidx; /* next work queue to post work to */
James Smart8fa38512009-07-19 10:01:03 -0400756
dea31012005-04-17 16:05:31 -0500757 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
James Smart3772a992009-05-22 14:50:54 -0400758 unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */
dea31012005-04-17 16:05:31 -0500759 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
760 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
761 PCI BAR0 */
762 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
763 PCI BAR2 */
764
James Smart962bc512013-01-03 15:44:00 -0500765 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
766 PCI BAR0 with dual-ULP support */
767 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
768 PCI BAR2 with dual-ULP support */
769 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
770 PCI BAR4 with dual-ULP support */
771#define PCI_64BIT_BAR0 0
772#define PCI_64BIT_BAR2 2
773#define PCI_64BIT_BAR4 4
dea31012005-04-17 16:05:31 -0500774 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
775 void __iomem *HAregaddr; /* virtual address for host attn reg */
776 void __iomem *CAregaddr; /* virtual address for chip attn reg */
777 void __iomem *HSregaddr; /* virtual address for host status
778 reg */
779 void __iomem *HCregaddr; /* virtual address for host ctl reg */
780
James Smarted957682007-06-17 19:56:37 -0500781 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
James Smart34b02dc2008-08-24 21:49:55 -0400782 struct lpfc_pgp *port_gp;
James Smarted957682007-06-17 19:56:37 -0500783 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
James Smart92d7f7b2007-06-17 19:56:38 -0500784 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
James Smarted957682007-06-17 19:56:37 -0500785
dea31012005-04-17 16:05:31 -0500786 int brd_no; /* FC board number */
dea31012005-04-17 16:05:31 -0500787 char SerialNumber[32]; /* adapter Serial Number */
788 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
789 char ModelDesc[256]; /* Model Description */
790 char ModelName[80]; /* Model Name */
791 char ProgramType[256]; /* Program Type */
792 char Port[20]; /* Port No */
793 uint8_t vpd_flag; /* VPD data flag */
794
795#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
796#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
797#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
798#define VPD_PORT 0x8 /* valid vpd port data */
799#define VPD_MASK 0xf /* mask for any vpd data */
800
James Smarta12e07b2006-12-02 13:35:30 -0500801 uint8_t soft_wwn_enable;
James Smartc3f28af2006-08-18 17:47:18 -0400802
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500803 struct timer_list fcp_poll_timer;
James Smart93996272008-08-24 21:50:30 -0400804 struct timer_list eratt_poll;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500805
dea31012005-04-17 16:05:31 -0500806 /*
807 * stat counters
808 */
809 uint64_t fc4InputRequests;
810 uint64_t fc4OutputRequests;
811 uint64_t fc4ControlRequests;
James Smart81301a92008-12-04 22:39:46 -0500812 uint64_t bg_guard_err_cnt;
813 uint64_t bg_apptag_err_cnt;
814 uint64_t bg_reftag_err_cnt;
dea31012005-04-17 16:05:31 -0500815
dea31012005-04-17 16:05:31 -0500816 /* fastpath list. */
James Smarta40fc5f2013-04-17 20:17:40 -0400817 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */
818 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */
819 struct list_head lpfc_scsi_buf_list_get;
820 struct list_head lpfc_scsi_buf_list_put;
dea31012005-04-17 16:05:31 -0500821 uint32_t total_scsi_bufs;
822 struct list_head lpfc_iocb_list;
823 uint32_t total_iocbq_bufs;
James Smart19ca7602010-11-20 23:11:55 -0500824 struct list_head active_rrq_list;
James Smart2e0fef82007-06-17 19:56:36 -0500825 spinlock_t hbalock;
dea31012005-04-17 16:05:31 -0500826
827 /* pci_mem_pools */
828 struct pci_pool *lpfc_scsi_dma_buf_pool;
829 struct pci_pool *lpfc_mbuf_pool;
James Smartda0436e2009-05-22 14:51:39 -0400830 struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
831 struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
James Smart8568a4d2009-07-19 10:01:16 -0400832 struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
dea31012005-04-17 16:05:31 -0500833 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
834
835 mempool_t *mbox_mem_pool;
836 mempool_t *nlp_mem_pool;
James Smart19ca7602010-11-20 23:11:55 -0500837 mempool_t *rrq_pool;
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -0400838
839 struct fc_host_statistics link_stats;
James Smartdb2378e2008-02-08 18:49:51 -0500840 enum intr_type_t intr_type;
James Smart5b75da22008-12-04 22:39:35 -0500841 uint32_t intr_mode;
842#define LPFC_INTR_ERROR 0xFFFFFFFF
James Smart93996272008-08-24 21:50:30 -0400843 struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
James Smart858c9f62007-06-17 19:56:39 -0500844
James Smart2e0fef82007-06-17 19:56:36 -0500845 struct list_head port_list;
James Smart549e55c2007-08-02 11:09:51 -0400846 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
847 uint16_t max_vpi; /* Maximum virtual nports */
James Smart09372822008-01-11 01:52:54 -0500848#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
James Smartda0436e2009-05-22 14:51:39 -0400849 uint16_t max_vports; /*
850 * For IOV HBAs max_vpi can change
851 * after a reset. max_vports is max
852 * number of vports present. This can
853 * be greater than max_vpi.
854 */
855 uint16_t vpi_base;
856 uint16_t vfi_base;
James Smart549e55c2007-08-02 11:09:51 -0400857 unsigned long *vpi_bmask; /* vpi allocation table */
James Smart6d368e52011-05-24 11:44:12 -0400858 uint16_t *vpi_ids;
859 uint16_t vpi_count;
860 struct list_head lpfc_vpi_blk_list;
James Smart92d7f7b2007-06-17 19:56:38 -0500861
862 /* Data structure used by fabric iocb scheduler */
863 struct list_head fabric_iocb_list;
864 atomic_t fabric_iocb_count;
865 struct timer_list fabric_block_timer;
866 unsigned long bit_flags;
867#define FABRIC_COMANDS_BLOCKED 0
868 atomic_t num_rsrc_err;
869 atomic_t num_cmd_success;
870 unsigned long last_rsrc_error_time;
871 unsigned long last_ramp_down_time;
872 unsigned long last_ramp_up_time;
James Smart923e4b62008-12-04 22:40:07 -0500873#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
James Smart858c9f62007-06-17 19:56:39 -0500874 struct dentry *hba_debugfs_root;
875 atomic_t debugfs_vport_count;
James Smart78b2d852007-08-02 11:10:21 -0400876 struct dentry *debug_hbqinfo;
James Smartc95d6c62008-01-11 01:53:23 -0500877 struct dentry *debug_dumpHostSlim;
878 struct dentry *debug_dumpHBASlim;
James Smartf9bb2da2011-10-10 21:34:11 -0400879 struct dentry *debug_dumpData; /* BlockGuard BPL */
880 struct dentry *debug_dumpDif; /* BlockGuard BPL */
881 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
James Smart4ac9b222012-03-01 22:38:29 -0500882 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */
883 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */
James Smartf9bb2da2011-10-10 21:34:11 -0400884 struct dentry *debug_writeGuard; /* inject write guard_tag errors */
885 struct dentry *debug_writeApp; /* inject write app_tag errors */
886 struct dentry *debug_writeRef; /* inject write ref_tag errors */
James Smartacd68592012-01-18 16:25:09 -0500887 struct dentry *debug_readGuard; /* inject read guard_tag errors */
James Smartf9bb2da2011-10-10 21:34:11 -0400888 struct dentry *debug_readApp; /* inject read app_tag errors */
889 struct dentry *debug_readRef; /* inject read ref_tag errors */
890
891 /* T10 DIF error injection */
892 uint32_t lpfc_injerr_wgrd_cnt;
893 uint32_t lpfc_injerr_wapp_cnt;
894 uint32_t lpfc_injerr_wref_cnt;
James Smartacd68592012-01-18 16:25:09 -0500895 uint32_t lpfc_injerr_rgrd_cnt;
James Smartf9bb2da2011-10-10 21:34:11 -0400896 uint32_t lpfc_injerr_rapp_cnt;
897 uint32_t lpfc_injerr_rref_cnt;
James Smart4ac9b222012-03-01 22:38:29 -0500898 uint32_t lpfc_injerr_nportid;
899 struct lpfc_name lpfc_injerr_wwpn;
James Smartf9bb2da2011-10-10 21:34:11 -0400900 sector_t lpfc_injerr_lba;
James Smartacd68592012-01-18 16:25:09 -0500901#define LPFC_INJERR_LBA_OFF (sector_t)(-1)
James Smartf9bb2da2011-10-10 21:34:11 -0400902
James Smarta58cbd52007-08-02 11:09:43 -0400903 struct dentry *debug_slow_ring_trc;
904 struct lpfc_debugfs_trc *slow_ring_trc;
905 atomic_t slow_ring_trc_cnt;
James Smart2a622bf2011-02-16 12:40:06 -0500906 /* iDiag debugfs sub-directory */
907 struct dentry *idiag_root;
908 struct dentry *idiag_pci_cfg;
James Smartb76f2dc2011-07-22 18:37:42 -0400909 struct dentry *idiag_bar_acc;
James Smart2a622bf2011-02-16 12:40:06 -0500910 struct dentry *idiag_que_info;
James Smart86a80842011-04-16 11:03:04 -0400911 struct dentry *idiag_que_acc;
912 struct dentry *idiag_drb_acc;
James Smartb76f2dc2011-07-22 18:37:42 -0400913 struct dentry *idiag_ctl_acc;
914 struct dentry *idiag_mbx_acc;
915 struct dentry *idiag_ext_acc;
James Smart858c9f62007-06-17 19:56:39 -0500916#endif
917
James Smart0ff10d42008-01-11 01:52:36 -0500918 /* Used for deferred freeing of ELS data buffers */
919 struct list_head elsbuf;
920 int elsbuf_cnt;
921 int elsbuf_prev_cnt;
922
James Smart57127f12007-10-27 13:37:05 -0400923 uint8_t temp_sensor_support;
James Smart858c9f62007-06-17 19:56:39 -0500924 /* Fields used for heart beat. */
925 unsigned long last_completion_time;
James Smartbc739052010-08-04 16:11:18 -0400926 unsigned long skipped_hb;
James Smart858c9f62007-06-17 19:56:39 -0500927 struct timer_list hb_tmofunc;
928 uint8_t hb_outstanding;
James Smart19ca7602010-11-20 23:11:55 -0500929 struct timer_list rrq_tmr;
James Smart84774a42008-08-24 21:50:06 -0400930 enum hba_temp_state over_temp_state;
James Smarte47c9092008-02-08 18:49:26 -0500931 /* ndlp reference management */
932 spinlock_t ndlp_lock;
James Smart76bb24e2007-10-27 13:38:00 -0400933 /*
934 * Following bit will be set for all buffer tags which are not
935 * associated with any HBQ.
936 */
937#define QUE_BUFTAG_BIT (1<<31)
938 uint32_t buffer_tag_count;
James Smart84774a42008-08-24 21:50:06 -0400939 int wait_4_mlo_maint_flg;
940 wait_queue_head_t wait_4_mlo_m_q;
James Smartea2151b2008-09-07 11:52:10 -0400941 /* data structure used for latency data collection */
942#define LPFC_NO_BUCKET 0
943#define LPFC_LINEAR_BUCKET 1
944#define LPFC_POWER2_BUCKET 2
945 uint8_t bucket_type;
946 uint32_t bucket_base;
947 uint32_t bucket_step;
948
949/* Maximum number of events that can be outstanding at any time*/
950#define LPFC_MAX_EVT_COUNT 512
951 atomic_t fast_event_count;
James Smart32b97932009-07-19 10:01:21 -0400952 uint32_t fcoe_eventtag;
953 uint32_t fcoe_eventtag_at_fcf_scan;
James Smart80c17842012-03-01 22:35:45 -0500954 uint32_t fcoe_cvl_eventtag;
955 uint32_t fcoe_cvl_eventtag_attn;
James Smartda0436e2009-05-22 14:51:39 -0400956 struct lpfc_fcf fcf;
957 uint8_t fc_map[3];
958 uint8_t valid_vlan;
959 uint16_t vlan_id;
960 struct list_head fcf_conn_rec_list;
James Smartf1c3b0f2009-07-19 10:01:32 -0400961
James Smart4fede782010-01-26 23:08:55 -0500962 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
James Smartf1c3b0f2009-07-19 10:01:32 -0400963 struct list_head ct_ev_waiters;
James Smart6dd9e312013-01-03 15:43:37 -0500964 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
James Smartf1c3b0f2009-07-19 10:01:32 -0400965 uint32_t ctx_idx;
James Smarte2aed292010-02-26 14:15:00 -0500966
967 uint8_t menlo_flag; /* menlo generic flags */
968#define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
James Smart2a9bf3d2010-06-07 15:24:45 -0400969 uint32_t iocb_cnt;
970 uint32_t iocb_max;
James Smartd7c47992010-06-08 18:31:54 -0400971 atomic_t sdev_cnt;
James Smartbc739052010-08-04 16:11:18 -0400972 uint8_t fips_spec_rev;
973 uint8_t fips_level;
dea31012005-04-17 16:05:31 -0500974};
975
James Smart2e0fef82007-06-17 19:56:36 -0500976static inline struct Scsi_Host *
977lpfc_shost_from_vport(struct lpfc_vport *vport)
978{
979 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
James Smart5b8bd0c2007-04-25 09:52:49 -0400980}
dea31012005-04-17 16:05:31 -0500981
James Smart2e0fef82007-06-17 19:56:36 -0500982static inline void
983lpfc_set_loopback_flag(struct lpfc_hba *phba)
984{
985 if (phba->cfg_topology == FLAGS_LOCAL_LB)
986 phba->link_flag |= LS_LOOPBACK_MODE;
987 else
988 phba->link_flag &= ~LS_LOOPBACK_MODE;
989}
990
991static inline int
992lpfc_is_link_up(struct lpfc_hba *phba)
993{
994 return phba->link_state == LPFC_LINK_UP ||
James Smart92d7f7b2007-06-17 19:56:38 -0500995 phba->link_state == LPFC_CLEAR_LA ||
996 phba->link_state == LPFC_HBA_READY;
James Smart2e0fef82007-06-17 19:56:36 -0500997}
998
James Smart5e9d9b82008-06-14 22:52:53 -0400999static inline void
1000lpfc_worker_wake_up(struct lpfc_hba *phba)
1001{
1002 /* Set the lpfc data pending flag */
1003 set_bit(LPFC_DATA_READY, &phba->data_flags);
1004
1005 /* Wake up worker thread */
1006 wake_up(&phba->work_waitq);
1007 return;
1008}
1009
James Smart9940b972011-03-11 16:06:12 -05001010static inline int
1011lpfc_readl(void __iomem *addr, uint32_t *data)
1012{
1013 uint32_t temp;
1014 temp = readl(addr);
1015 if (temp == 0xffffffff)
1016 return -EIO;
1017 *data = temp;
1018 return 0;
1019}
1020
1021static inline int
James Smart93996272008-08-24 21:50:30 -04001022lpfc_sli_read_hs(struct lpfc_hba *phba)
1023{
1024 /*
1025 * There was a link/board error. Read the status register to retrieve
1026 * the error event and process it.
1027 */
1028 phba->sli.slistat.err_attn_event++;
1029
James Smart9940b972011-03-11 16:06:12 -05001030 /* Save status info and check for unplug error */
1031 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1032 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1033 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1034 return -EIO;
1035 }
James Smart93996272008-08-24 21:50:30 -04001036
1037 /* Clear chip Host Attention error bit */
1038 writel(HA_ERATT, phba->HAregaddr);
1039 readl(phba->HAregaddr); /* flush */
1040 phba->pport->stopped = 1;
1041
James Smart9940b972011-03-11 16:06:12 -05001042 return 0;
James Smart93996272008-08-24 21:50:30 -04001043}