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-rw-r--r--drivers/scsi/lpfc/lpfc.h384
1 files changed, 384 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
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index 000000000000..d78247c63d04
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+++ b/drivers/scsi/lpfc/lpfc.h
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1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Enterprise Fibre Channel Host Bus Adapters. *
4 * Refer to the README file included with this package for *
5 * driver version and adapter support. *
6 * Copyright (C) 2004 Emulex Corporation. *
7 * www.emulex.com *
8 * *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of the GNU General Public License *
11 * as published by the Free Software Foundation; either version 2 *
12 * of the License, or (at your option) any later version. *
13 * *
14 * This program is distributed in the hope that it will be useful, *
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17 * GNU General Public License for more details, a copy of which *
18 * can be found in the file COPYING included with this package. *
19 *******************************************************************/
20
21/*
22 * $Id: lpfc.h 1.167 2005/04/07 08:47:05EDT sf_support Exp $
23 */
24
25struct lpfc_sli2_slim;
26
27#define LPFC_MAX_TARGET 256 /* max targets supported */
28#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els req */
29#define LPFC_MAX_NS_RETRY 3 /* max NameServer retries */
30
31#define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */
32#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
33#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
34
35#define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */
36#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
37#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
38
39/* Define macros for 64 bit support */
40#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
41#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
42#define getPaddr(high, low) ((dma_addr_t)( \
43 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
44/* Provide maximum configuration definitions. */
45#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
46#define MAX_FCP_TARGET 256 /* max num of FCP targets supported */
47#define FC_MAX_ADPTMSG 64
48
49#define MAX_HBAEVT 32
50
51/* Provide DMA memory definitions the driver uses per port instance. */
52struct lpfc_dmabuf {
53 struct list_head list;
54 void *virt; /* virtual address ptr */
55 dma_addr_t phys; /* mapped address */
56};
57
58struct lpfc_dma_pool {
59 struct lpfc_dmabuf *elements;
60 uint32_t max_count;
61 uint32_t current_count;
62};
63
64/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
65#define MEM_PRI 0x100
66
67
68/****************************************************************************/
69/* Device VPD save area */
70/****************************************************************************/
71typedef struct lpfc_vpd {
72 uint32_t status; /* vpd status value */
73 uint32_t length; /* number of bytes actually returned */
74 struct {
75 uint32_t rsvd1; /* Revision numbers */
76 uint32_t biuRev;
77 uint32_t smRev;
78 uint32_t smFwRev;
79 uint32_t endecRev;
80 uint16_t rBit;
81 uint8_t fcphHigh;
82 uint8_t fcphLow;
83 uint8_t feaLevelHigh;
84 uint8_t feaLevelLow;
85 uint32_t postKernRev;
86 uint32_t opFwRev;
87 uint8_t opFwName[16];
88 uint32_t sli1FwRev;
89 uint8_t sli1FwName[16];
90 uint32_t sli2FwRev;
91 uint8_t sli2FwName[16];
92 } rev;
93} lpfc_vpd_t;
94
95struct lpfc_scsi_buf;
96
97
98/*
99 * lpfc stat counters
100 */
101struct lpfc_stats {
102 /* Statistics for ELS commands */
103 uint32_t elsLogiCol;
104 uint32_t elsRetryExceeded;
105 uint32_t elsXmitRetry;
106 uint32_t elsDelayRetry;
107 uint32_t elsRcvDrop;
108 uint32_t elsRcvFrame;
109 uint32_t elsRcvRSCN;
110 uint32_t elsRcvRNID;
111 uint32_t elsRcvFARP;
112 uint32_t elsRcvFARPR;
113 uint32_t elsRcvFLOGI;
114 uint32_t elsRcvPLOGI;
115 uint32_t elsRcvADISC;
116 uint32_t elsRcvPDISC;
117 uint32_t elsRcvFAN;
118 uint32_t elsRcvLOGO;
119 uint32_t elsRcvPRLO;
120 uint32_t elsRcvPRLI;
121 uint32_t elsRcvRRQ;
122 uint32_t elsXmitFLOGI;
123 uint32_t elsXmitPLOGI;
124 uint32_t elsXmitPRLI;
125 uint32_t elsXmitADISC;
126 uint32_t elsXmitLOGO;
127 uint32_t elsXmitSCR;
128 uint32_t elsXmitRNID;
129 uint32_t elsXmitFARP;
130 uint32_t elsXmitFARPR;
131 uint32_t elsXmitACC;
132 uint32_t elsXmitLSRJT;
133
134 uint32_t frameRcvBcast;
135 uint32_t frameRcvMulti;
136 uint32_t strayXmitCmpl;
137 uint32_t frameXmitDelay;
138 uint32_t xriCmdCmpl;
139 uint32_t xriStatErr;
140 uint32_t LinkUp;
141 uint32_t LinkDown;
142 uint32_t LinkMultiEvent;
143 uint32_t NoRcvBuf;
144 uint32_t fcpCmd;
145 uint32_t fcpCmpl;
146 uint32_t fcpRspErr;
147 uint32_t fcpRemoteStop;
148 uint32_t fcpPortRjt;
149 uint32_t fcpPortBusy;
150 uint32_t fcpError;
151 uint32_t fcpLocalErr;
152};
153
154enum sysfs_mbox_state {
155 SMBOX_IDLE,
156 SMBOX_WRITING,
157 SMBOX_READING
158};
159
160struct lpfc_sysfs_mbox {
161 enum sysfs_mbox_state state;
162 size_t offset;
163 struct lpfcMboxq * mbox;
164};
165
166struct lpfc_hba {
167 struct list_head hba_list; /* List of hbas/ports */
168 struct lpfc_sli sli;
169 struct lpfc_sli2_slim *slim2p;
170 dma_addr_t slim2p_mapping;
171 uint16_t pci_cfg_value;
172
173 uint32_t hba_state;
174
175#define LPFC_INIT_START 1 /* Initial state after board reset */
176#define LPFC_INIT_MBX_CMDS 2 /* Initialize HBA with mbox commands */
177#define LPFC_LINK_DOWN 3 /* HBA initialized, link is down */
178#define LPFC_LINK_UP 4 /* Link is up - issue READ_LA */
179#define LPFC_LOCAL_CFG_LINK 5 /* local NPORT Id configured */
180#define LPFC_FLOGI 6 /* FLOGI sent to Fabric */
181#define LPFC_FABRIC_CFG_LINK 7 /* Fabric assigned NPORT Id
182 configured */
183#define LPFC_NS_REG 8 /* Register with NameServer */
184#define LPFC_NS_QRY 9 /* Query NameServer for NPort ID list */
185#define LPFC_BUILD_DISC_LIST 10 /* Build ADISC and PLOGI lists for
186 * device authentication / discovery */
187#define LPFC_DISC_AUTH 11 /* Processing ADISC list */
188#define LPFC_CLEAR_LA 12 /* authentication cmplt - issue
189 CLEAR_LA */
190#define LPFC_HBA_READY 32
191#define LPFC_HBA_ERROR 0xff
192
193 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
194
195 uint32_t fc_eventTag; /* event tag for link attention */
196 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
197
198 uint32_t num_disc_nodes; /*in addition to hba_state */
199
200 struct timer_list fc_estabtmo; /* link establishment timer */
201 struct timer_list fc_disctmo; /* Discovery rescue timer */
202 struct timer_list fc_fdmitmo; /* fdmi timer */
203 /* These fields used to be binfo */
204 struct lpfc_name fc_nodename; /* fc nodename */
205 struct lpfc_name fc_portname; /* fc portname */
206 uint32_t fc_pref_DID; /* preferred D_ID */
207 uint8_t fc_pref_ALPA; /* preferred AL_PA */
208 uint32_t fc_edtov; /* E_D_TOV timer value */
209 uint32_t fc_arbtov; /* ARB_TOV timer value */
210 uint32_t fc_ratov; /* R_A_TOV timer value */
211 uint32_t fc_rttov; /* R_T_TOV timer value */
212 uint32_t fc_altov; /* AL_TOV timer value */
213 uint32_t fc_crtov; /* C_R_TOV timer value */
214 uint32_t fc_citov; /* C_I_TOV timer value */
215 uint32_t fc_myDID; /* fibre channel S_ID */
216 uint32_t fc_prevDID; /* previous fibre channel S_ID */
217
218 struct serv_parm fc_sparam; /* buffer for our service parameters */
219 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
220 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
221
222 uint8_t fc_ns_retry; /* retries for fabric nameserver */
223 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
224 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
225 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
226 uint32_t lmt;
227 uint32_t fc_flag; /* FC flags */
228#define FC_PT2PT 0x1 /* pt2pt with no fabric */
229#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
230#define FC_DISC_TMO 0x4 /* Discovery timer running */
231#define FC_PUBLIC_LOOP 0x8 /* Public loop */
232#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
233#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
234#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
235#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
236#define FC_FABRIC 0x100 /* We are fabric attached */
237#define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
238#define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
239#define FC_LOADING 0x1000 /* HBA in process of loading drvr */
240#define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */
241#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
242#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
243#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
244
245 uint32_t fc_topology; /* link topology, from LINK INIT */
246
247 struct lpfc_stats fc_stat;
248
249 /* These are the head/tail pointers for the bind, plogi, adisc, unmap,
250 * and map lists. Their counters are immediately following.
251 */
252 struct list_head fc_plogi_list;
253 struct list_head fc_adisc_list;
254 struct list_head fc_reglogin_list;
255 struct list_head fc_prli_list;
256 struct list_head fc_nlpunmap_list;
257 struct list_head fc_nlpmap_list;
258 struct list_head fc_npr_list;
259 struct list_head fc_unused_list;
260
261 /* Keep counters for the number of entries in each list. */
262 uint16_t fc_plogi_cnt;
263 uint16_t fc_adisc_cnt;
264 uint16_t fc_reglogin_cnt;
265 uint16_t fc_prli_cnt;
266 uint16_t fc_unmap_cnt;
267 uint16_t fc_map_cnt;
268 uint16_t fc_npr_cnt;
269 uint16_t fc_unused_cnt;
270 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
271 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
272
273#define LPFC_RPI_HASH_SIZE 64
274#define LPFC_RPI_HASH_FUNC(x) ((x) & (0x3f))
275 /* ptr to active D_ID / RPIs */
276 struct lpfc_nodelist *fc_nlplookup[LPFC_RPI_HASH_SIZE];
277 uint32_t wwnn[2];
278 uint32_t RandomData[7];
279
280 uint32_t cfg_log_verbose;
281 uint32_t cfg_lun_queue_depth;
282 uint32_t cfg_nodev_tmo;
283 uint32_t cfg_hba_queue_depth;
284 uint32_t cfg_fcp_class;
285 uint32_t cfg_use_adisc;
286 uint32_t cfg_ack0;
287 uint32_t cfg_topology;
288 uint32_t cfg_scan_down;
289 uint32_t cfg_link_speed;
290 uint32_t cfg_cr_delay;
291 uint32_t cfg_cr_count;
292 uint32_t cfg_fdmi_on;
293 uint32_t cfg_fcp_bind_method;
294 uint32_t cfg_discovery_threads;
295 uint32_t cfg_max_luns;
296 uint32_t cfg_sg_seg_cnt;
297 uint32_t cfg_sg_dma_buf_size;
298
299 lpfc_vpd_t vpd; /* vital product data */
300
301 struct Scsi_Host *host;
302 struct pci_dev *pcidev;
303 struct list_head work_list;
304 uint32_t work_ha; /* Host Attention Bits for WT */
305 uint32_t work_ha_mask; /* HA Bits owned by WT */
306 uint32_t work_hs; /* HS stored in case of ERRAT */
307 uint32_t work_status[2]; /* Extra status from SLIM */
308 uint32_t work_hba_events; /* Timeout to be handled */
309#define WORKER_DISC_TMO 0x1 /* Discovery timeout */
310#define WORKER_ELS_TMO 0x2 /* ELS timeout */
311#define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
312#define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
313
314 wait_queue_head_t *work_wait;
315 struct task_struct *worker_thread;
316
317 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
318 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
319 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
320 PCI BAR0 */
321 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
322 PCI BAR2 */
323
324 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
325 void __iomem *HAregaddr; /* virtual address for host attn reg */
326 void __iomem *CAregaddr; /* virtual address for chip attn reg */
327 void __iomem *HSregaddr; /* virtual address for host status
328 reg */
329 void __iomem *HCregaddr; /* virtual address for host ctl reg */
330
331 int brd_no; /* FC board number */
332
333 char SerialNumber[32]; /* adapter Serial Number */
334 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
335 char ModelDesc[256]; /* Model Description */
336 char ModelName[80]; /* Model Name */
337 char ProgramType[256]; /* Program Type */
338 char Port[20]; /* Port No */
339 uint8_t vpd_flag; /* VPD data flag */
340
341#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
342#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
343#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
344#define VPD_PORT 0x8 /* valid vpd port data */
345#define VPD_MASK 0xf /* mask for any vpd data */
346
347 struct timer_list els_tmofunc;
348
349 void *link_stats;
350
351 /*
352 * stat counters
353 */
354 uint64_t fc4InputRequests;
355 uint64_t fc4OutputRequests;
356 uint64_t fc4ControlRequests;
357
358 struct lpfc_sysfs_mbox sysfs_mbox;
359
360 /* fastpath list. */
361 struct list_head lpfc_scsi_buf_list;
362 uint32_t total_scsi_bufs;
363 struct list_head lpfc_iocb_list;
364 uint32_t total_iocbq_bufs;
365
366 /* pci_mem_pools */
367 struct pci_pool *lpfc_scsi_dma_buf_pool;
368 struct pci_pool *lpfc_mbuf_pool;
369 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
370
371 mempool_t *mbox_mem_pool;
372 mempool_t *nlp_mem_pool;
373 struct list_head freebufList;
374 struct list_head ctrspbuflist;
375 struct list_head rnidrspbuflist;
376};
377
378
379struct rnidrsp {
380 void *buf;
381 uint32_t uniqueid;
382 struct list_head list;
383 uint32_t data;
384};
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-12 23:28:34 -0500