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. *
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. *
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 *******************************************************************/
21 struct lpfc_sli2_slim;
23 #define LPFC_MAX_TARGET 256 /* max targets supported */
24 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els req */
25 #define LPFC_MAX_NS_RETRY 3 /* max NameServer retries */
27 #define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */
28 #define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
29 #define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
31 #define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */
32 #define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
33 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
35 /* Define macros for 64 bit support */
36 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
37 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
38 #define getPaddr(high, low) ((dma_addr_t)( \
39 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
40 /* Provide maximum configuration definitions. */
41 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
42 #define MAX_FCP_TARGET 256 /* max num of FCP targets supported */
43 #define FC_MAX_ADPTMSG 64
47 /* Provide DMA memory definitions the driver uses per port instance. */
49 struct list_head list;
50 void *virt; /* virtual address ptr */
51 dma_addr_t phys; /* mapped address */
54 struct lpfc_dma_pool {
55 struct lpfc_dmabuf *elements;
57 uint32_t current_count;
60 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
64 /****************************************************************************/
65 /* Device VPD save area */
66 /****************************************************************************/
67 typedef struct lpfc_vpd {
68 uint32_t status; /* vpd status value */
69 uint32_t length; /* number of bytes actually returned */
71 uint32_t rsvd1; /* Revision numbers */
85 uint8_t sli1FwName[16];
87 uint8_t sli2FwName[16];
98 /* Statistics for ELS commands */
100 uint32_t elsRetryExceeded;
101 uint32_t elsXmitRetry;
102 uint32_t elsDelayRetry;
104 uint32_t elsRcvFrame;
108 uint32_t elsRcvFARPR;
109 uint32_t elsRcvFLOGI;
110 uint32_t elsRcvPLOGI;
111 uint32_t elsRcvADISC;
112 uint32_t elsRcvPDISC;
118 uint32_t elsXmitFLOGI;
119 uint32_t elsXmitPLOGI;
120 uint32_t elsXmitPRLI;
121 uint32_t elsXmitADISC;
122 uint32_t elsXmitLOGO;
124 uint32_t elsXmitRNID;
125 uint32_t elsXmitFARP;
126 uint32_t elsXmitFARPR;
128 uint32_t elsXmitLSRJT;
130 uint32_t frameRcvBcast;
131 uint32_t frameRcvMulti;
132 uint32_t strayXmitCmpl;
133 uint32_t frameXmitDelay;
138 uint32_t LinkMultiEvent;
143 uint32_t fcpRemoteStop;
145 uint32_t fcpPortBusy;
147 uint32_t fcpLocalErr;
150 enum sysfs_mbox_state {
156 struct lpfc_sysfs_mbox {
157 enum sysfs_mbox_state state;
159 struct lpfcMboxq * mbox;
163 struct list_head hba_list; /* List of hbas/ports */
165 struct lpfc_sli2_slim *slim2p;
166 dma_addr_t slim2p_mapping;
167 uint16_t pci_cfg_value;
171 #define LPFC_INIT_START 1 /* Initial state after board reset */
172 #define LPFC_INIT_MBX_CMDS 2 /* Initialize HBA with mbox commands */
173 #define LPFC_LINK_DOWN 3 /* HBA initialized, link is down */
174 #define LPFC_LINK_UP 4 /* Link is up - issue READ_LA */
175 #define LPFC_LOCAL_CFG_LINK 5 /* local NPORT Id configured */
176 #define LPFC_FLOGI 6 /* FLOGI sent to Fabric */
177 #define LPFC_FABRIC_CFG_LINK 7 /* Fabric assigned NPORT Id
179 #define LPFC_NS_REG 8 /* Register with NameServer */
180 #define LPFC_NS_QRY 9 /* Query NameServer for NPort ID list */
181 #define LPFC_BUILD_DISC_LIST 10 /* Build ADISC and PLOGI lists for
182 * device authentication / discovery */
183 #define LPFC_DISC_AUTH 11 /* Processing ADISC list */
184 #define LPFC_CLEAR_LA 12 /* authentication cmplt - issue
186 #define LPFC_HBA_READY 32
187 #define LPFC_HBA_ERROR 0xff
189 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
191 uint32_t fc_eventTag; /* event tag for link attention */
192 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
194 uint32_t num_disc_nodes; /*in addition to hba_state */
196 struct timer_list fc_estabtmo; /* link establishment timer */
197 struct timer_list fc_disctmo; /* Discovery rescue timer */
198 struct timer_list fc_fdmitmo; /* fdmi timer */
199 /* These fields used to be binfo */
200 struct lpfc_name fc_nodename; /* fc nodename */
201 struct lpfc_name fc_portname; /* fc portname */
202 uint32_t fc_pref_DID; /* preferred D_ID */
203 uint8_t fc_pref_ALPA; /* preferred AL_PA */
204 uint32_t fc_edtov; /* E_D_TOV timer value */
205 uint32_t fc_arbtov; /* ARB_TOV timer value */
206 uint32_t fc_ratov; /* R_A_TOV timer value */
207 uint32_t fc_rttov; /* R_T_TOV timer value */
208 uint32_t fc_altov; /* AL_TOV timer value */
209 uint32_t fc_crtov; /* C_R_TOV timer value */
210 uint32_t fc_citov; /* C_I_TOV timer value */
211 uint32_t fc_myDID; /* fibre channel S_ID */
212 uint32_t fc_prevDID; /* previous fibre channel S_ID */
214 struct serv_parm fc_sparam; /* buffer for our service parameters */
215 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
216 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
218 uint8_t fc_ns_retry; /* retries for fabric nameserver */
219 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
220 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
221 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
223 uint32_t fc_flag; /* FC flags */
224 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
225 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
226 #define FC_DISC_TMO 0x4 /* Discovery timer running */
227 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
228 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
229 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
230 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
231 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
232 #define FC_FABRIC 0x100 /* We are fabric attached */
233 #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
234 #define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
235 #define FC_LOADING 0x1000 /* HBA in process of loading drvr */
236 #define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */
237 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
238 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
239 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
241 uint32_t fc_topology; /* link topology, from LINK INIT */
243 struct lpfc_stats fc_stat;
245 /* These are the head/tail pointers for the bind, plogi, adisc, unmap,
246 * and map lists. Their counters are immediately following.
248 struct list_head fc_plogi_list;
249 struct list_head fc_adisc_list;
250 struct list_head fc_reglogin_list;
251 struct list_head fc_prli_list;
252 struct list_head fc_nlpunmap_list;
253 struct list_head fc_nlpmap_list;
254 struct list_head fc_npr_list;
255 struct list_head fc_unused_list;
257 /* Keep counters for the number of entries in each list. */
258 uint16_t fc_plogi_cnt;
259 uint16_t fc_adisc_cnt;
260 uint16_t fc_reglogin_cnt;
261 uint16_t fc_prli_cnt;
262 uint16_t fc_unmap_cnt;
265 uint16_t fc_unused_cnt;
266 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
267 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
269 #define LPFC_RPI_HASH_SIZE 64
270 #define LPFC_RPI_HASH_FUNC(x) ((x) & (0x3f))
271 /* ptr to active D_ID / RPIs */
272 struct lpfc_nodelist *fc_nlplookup[LPFC_RPI_HASH_SIZE];
274 uint32_t RandomData[7];
276 uint32_t cfg_log_verbose;
277 uint32_t cfg_lun_queue_depth;
278 uint32_t cfg_nodev_tmo;
279 uint32_t cfg_hba_queue_depth;
280 uint32_t cfg_fcp_class;
281 uint32_t cfg_use_adisc;
283 uint32_t cfg_topology;
284 uint32_t cfg_scan_down;
285 uint32_t cfg_link_speed;
286 uint32_t cfg_cr_delay;
287 uint32_t cfg_cr_count;
288 uint32_t cfg_fdmi_on;
289 uint32_t cfg_fcp_bind_method;
290 uint32_t cfg_discovery_threads;
291 uint32_t cfg_max_luns;
292 uint32_t cfg_sg_seg_cnt;
293 uint32_t cfg_sg_dma_buf_size;
295 lpfc_vpd_t vpd; /* vital product data */
297 struct Scsi_Host *host;
298 struct pci_dev *pcidev;
299 struct list_head work_list;
300 uint32_t work_ha; /* Host Attention Bits for WT */
301 uint32_t work_ha_mask; /* HA Bits owned by WT */
302 uint32_t work_hs; /* HS stored in case of ERRAT */
303 uint32_t work_status[2]; /* Extra status from SLIM */
304 uint32_t work_hba_events; /* Timeout to be handled */
305 #define WORKER_DISC_TMO 0x1 /* Discovery timeout */
306 #define WORKER_ELS_TMO 0x2 /* ELS timeout */
307 #define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
308 #define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
310 wait_queue_head_t *work_wait;
311 struct task_struct *worker_thread;
313 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
314 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
315 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
317 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
320 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
321 void __iomem *HAregaddr; /* virtual address for host attn reg */
322 void __iomem *CAregaddr; /* virtual address for chip attn reg */
323 void __iomem *HSregaddr; /* virtual address for host status
325 void __iomem *HCregaddr; /* virtual address for host ctl reg */
327 int brd_no; /* FC board number */
329 char SerialNumber[32]; /* adapter Serial Number */
330 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
331 char ModelDesc[256]; /* Model Description */
332 char ModelName[80]; /* Model Name */
333 char ProgramType[256]; /* Program Type */
334 char Port[20]; /* Port No */
335 uint8_t vpd_flag; /* VPD data flag */
337 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
338 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
339 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
340 #define VPD_PORT 0x8 /* valid vpd port data */
341 #define VPD_MASK 0xf /* mask for any vpd data */
343 struct timer_list els_tmofunc;
350 uint64_t fc4InputRequests;
351 uint64_t fc4OutputRequests;
352 uint64_t fc4ControlRequests;
354 struct lpfc_sysfs_mbox sysfs_mbox;
357 struct list_head lpfc_scsi_buf_list;
358 uint32_t total_scsi_bufs;
359 struct list_head lpfc_iocb_list;
360 uint32_t total_iocbq_bufs;
363 struct pci_pool *lpfc_scsi_dma_buf_pool;
364 struct pci_pool *lpfc_mbuf_pool;
365 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
367 mempool_t *mbox_mem_pool;
368 mempool_t *nlp_mem_pool;
369 struct list_head freebufList;
370 struct list_head ctrspbuflist;
371 struct list_head rnidrspbuflist;
378 struct list_head list;