1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * 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. *
20 *******************************************************************/
22 struct lpfc_sli2_slim;
24 #define LPFC_MAX_TARGET 256 /* max targets supported */
25 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els req */
26 #define LPFC_MAX_NS_RETRY 3 /* max NameServer retries */
28 #define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */
29 #define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
30 #define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
32 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
33 #define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
34 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
35 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
37 /* Define macros for 64 bit support */
38 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
39 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
40 #define getPaddr(high, low) ((dma_addr_t)( \
41 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
42 /* Provide maximum configuration definitions. */
43 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
44 #define MAX_FCP_TARGET 256 /* max num of FCP targets supported */
45 #define FC_MAX_ADPTMSG 64
49 enum lpfc_polling_flags {
50 ENABLE_FCP_RING_POLLING = 0x1,
51 DISABLE_FCP_RING_INT = 0x2
54 /* Provide DMA memory definitions the driver uses per port instance. */
56 struct list_head list;
57 void *virt; /* virtual address ptr */
58 dma_addr_t phys; /* mapped address */
61 struct lpfc_dma_pool {
62 struct lpfc_dmabuf *elements;
64 uint32_t current_count;
67 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
71 /****************************************************************************/
72 /* Device VPD save area */
73 /****************************************************************************/
74 typedef struct lpfc_vpd {
75 uint32_t status; /* vpd status value */
76 uint32_t length; /* number of bytes actually returned */
78 uint32_t rsvd1; /* Revision numbers */
92 uint8_t sli1FwName[16];
94 uint8_t sli2FwName[16];
105 /* Statistics for ELS commands */
107 uint32_t elsRetryExceeded;
108 uint32_t elsXmitRetry;
109 uint32_t elsDelayRetry;
111 uint32_t elsRcvFrame;
115 uint32_t elsRcvFARPR;
116 uint32_t elsRcvFLOGI;
117 uint32_t elsRcvPLOGI;
118 uint32_t elsRcvADISC;
119 uint32_t elsRcvPDISC;
127 uint32_t elsXmitFLOGI;
128 uint32_t elsXmitPLOGI;
129 uint32_t elsXmitPRLI;
130 uint32_t elsXmitADISC;
131 uint32_t elsXmitLOGO;
133 uint32_t elsXmitRNID;
134 uint32_t elsXmitFARP;
135 uint32_t elsXmitFARPR;
137 uint32_t elsXmitLSRJT;
139 uint32_t frameRcvBcast;
140 uint32_t frameRcvMulti;
141 uint32_t strayXmitCmpl;
142 uint32_t frameXmitDelay;
147 uint32_t LinkMultiEvent;
152 uint32_t fcpRemoteStop;
154 uint32_t fcpPortBusy;
156 uint32_t fcpLocalErr;
159 enum sysfs_mbox_state {
165 struct lpfc_sysfs_mbox {
166 enum sysfs_mbox_state state;
168 struct lpfcMboxq * mbox;
173 struct lpfc_sli2_slim *slim2p;
174 dma_addr_t slim2p_mapping;
175 uint16_t pci_cfg_value;
179 #define LPFC_STATE_UNKNOWN 0 /* HBA state is unknown */
180 #define LPFC_WARM_START 1 /* HBA state after selective reset */
181 #define LPFC_INIT_START 2 /* Initial state after board reset */
182 #define LPFC_INIT_MBX_CMDS 3 /* Initialize HBA with mbox commands */
183 #define LPFC_LINK_DOWN 4 /* HBA initialized, link is down */
184 #define LPFC_LINK_UP 5 /* Link is up - issue READ_LA */
185 #define LPFC_LOCAL_CFG_LINK 6 /* local NPORT Id configured */
186 #define LPFC_FLOGI 7 /* FLOGI sent to Fabric */
187 #define LPFC_FABRIC_CFG_LINK 8 /* Fabric assigned NPORT Id
189 #define LPFC_NS_REG 9 /* Register with NameServer */
190 #define LPFC_NS_QRY 10 /* Query NameServer for NPort ID list */
191 #define LPFC_BUILD_DISC_LIST 11 /* Build ADISC and PLOGI lists for
192 * device authentication / discovery */
193 #define LPFC_DISC_AUTH 12 /* Processing ADISC list */
194 #define LPFC_CLEAR_LA 13 /* authentication cmplt - issue
196 #define LPFC_HBA_READY 32
197 #define LPFC_HBA_ERROR -1
199 int32_t stopped; /* HBA has not been restarted since last ERATT */
200 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
202 uint32_t fc_eventTag; /* event tag for link attention */
203 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
205 uint32_t num_disc_nodes; /*in addition to hba_state */
207 struct timer_list fc_estabtmo; /* link establishment timer */
208 struct timer_list fc_disctmo; /* Discovery rescue timer */
209 struct timer_list fc_fdmitmo; /* fdmi timer */
210 /* These fields used to be binfo */
211 struct lpfc_name fc_nodename; /* fc nodename */
212 struct lpfc_name fc_portname; /* fc portname */
213 uint32_t fc_pref_DID; /* preferred D_ID */
214 uint8_t fc_pref_ALPA; /* preferred AL_PA */
215 uint32_t fc_edtov; /* E_D_TOV timer value */
216 uint32_t fc_arbtov; /* ARB_TOV timer value */
217 uint32_t fc_ratov; /* R_A_TOV timer value */
218 uint32_t fc_rttov; /* R_T_TOV timer value */
219 uint32_t fc_altov; /* AL_TOV timer value */
220 uint32_t fc_crtov; /* C_R_TOV timer value */
221 uint32_t fc_citov; /* C_I_TOV timer value */
222 uint32_t fc_myDID; /* fibre channel S_ID */
223 uint32_t fc_prevDID; /* previous fibre channel S_ID */
225 struct serv_parm fc_sparam; /* buffer for our service parameters */
226 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
227 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
229 uint8_t fc_ns_retry; /* retries for fabric nameserver */
230 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
231 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
232 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
234 uint32_t fc_flag; /* FC flags */
235 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
236 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
237 #define FC_DISC_TMO 0x4 /* Discovery timer running */
238 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
239 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
240 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
241 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
242 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
243 #define FC_FABRIC 0x100 /* We are fabric attached */
244 #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
245 #define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
246 #define FC_LOADING 0x1000 /* HBA in process of loading drvr */
247 #define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */
248 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
249 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
250 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
251 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
253 uint32_t fc_topology; /* link topology, from LINK INIT */
255 struct lpfc_stats fc_stat;
257 /* These are the head/tail pointers for the bind, plogi, adisc, unmap,
258 * and map lists. Their counters are immediately following.
260 struct list_head fc_plogi_list;
261 struct list_head fc_adisc_list;
262 struct list_head fc_reglogin_list;
263 struct list_head fc_prli_list;
264 struct list_head fc_nlpunmap_list;
265 struct list_head fc_nlpmap_list;
266 struct list_head fc_npr_list;
267 struct list_head fc_unused_list;
269 /* Keep counters for the number of entries in each list. */
270 uint16_t fc_plogi_cnt;
271 uint16_t fc_adisc_cnt;
272 uint16_t fc_reglogin_cnt;
273 uint16_t fc_prli_cnt;
274 uint16_t fc_unmap_cnt;
277 uint16_t fc_unused_cnt;
278 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
279 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
282 uint32_t RandomData[7];
284 uint32_t cfg_log_verbose;
285 uint32_t cfg_lun_queue_depth;
286 uint32_t cfg_nodev_tmo;
287 uint32_t cfg_hba_queue_depth;
288 uint32_t cfg_fcp_class;
289 uint32_t cfg_use_adisc;
291 uint32_t cfg_topology;
292 uint32_t cfg_scan_down;
293 uint32_t cfg_link_speed;
294 uint32_t cfg_cr_delay;
295 uint32_t cfg_cr_count;
296 uint32_t cfg_multi_ring_support;
297 uint32_t cfg_fdmi_on;
298 uint32_t cfg_discovery_threads;
299 uint32_t cfg_max_luns;
301 uint32_t cfg_poll_tmo;
302 uint32_t cfg_sg_seg_cnt;
303 uint32_t cfg_sg_dma_buf_size;
305 lpfc_vpd_t vpd; /* vital product data */
307 struct Scsi_Host *host;
308 struct pci_dev *pcidev;
309 struct list_head work_list;
310 uint32_t work_ha; /* Host Attention Bits for WT */
311 uint32_t work_ha_mask; /* HA Bits owned by WT */
312 uint32_t work_hs; /* HS stored in case of ERRAT */
313 uint32_t work_status[2]; /* Extra status from SLIM */
314 uint32_t work_hba_events; /* Timeout to be handled */
315 #define WORKER_DISC_TMO 0x1 /* Discovery timeout */
316 #define WORKER_ELS_TMO 0x2 /* ELS timeout */
317 #define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
318 #define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
320 wait_queue_head_t *work_wait;
321 struct task_struct *worker_thread;
323 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
324 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
325 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
327 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
330 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
331 void __iomem *HAregaddr; /* virtual address for host attn reg */
332 void __iomem *CAregaddr; /* virtual address for chip attn reg */
333 void __iomem *HSregaddr; /* virtual address for host status
335 void __iomem *HCregaddr; /* virtual address for host ctl reg */
337 int brd_no; /* FC board number */
339 char SerialNumber[32]; /* adapter Serial Number */
340 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
341 char ModelDesc[256]; /* Model Description */
342 char ModelName[80]; /* Model Name */
343 char ProgramType[256]; /* Program Type */
344 char Port[20]; /* Port No */
345 uint8_t vpd_flag; /* VPD data flag */
347 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
348 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
349 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
350 #define VPD_PORT 0x8 /* valid vpd port data */
351 #define VPD_MASK 0xf /* mask for any vpd data */
353 struct timer_list fcp_poll_timer;
354 struct timer_list els_tmofunc;
359 uint64_t fc4InputRequests;
360 uint64_t fc4OutputRequests;
361 uint64_t fc4ControlRequests;
363 struct lpfc_sysfs_mbox sysfs_mbox;
366 spinlock_t scsi_buf_list_lock;
367 struct list_head lpfc_scsi_buf_list;
368 uint32_t total_scsi_bufs;
369 struct list_head lpfc_iocb_list;
370 uint32_t total_iocbq_bufs;
373 struct pci_pool *lpfc_scsi_dma_buf_pool;
374 struct pci_pool *lpfc_mbuf_pool;
375 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
377 mempool_t *mbox_mem_pool;
378 mempool_t *nlp_mem_pool;
379 struct list_head freebufList;
380 struct list_head ctrspbuflist;
381 struct list_head rnidrspbuflist;
383 struct fc_host_statistics link_stats;
390 struct list_head list;