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 25 struct 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. */ 52 struct lpfc_dmabuf { 53 struct list_head list; 54 void *virt; /* virtual address ptr */ 55 dma_addr_t phys; /* mapped address */ 56 }; 57 58 struct 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 /****************************************************************************/ 71 typedef 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 95 struct lpfc_scsi_buf; 96 97 98 /* 99 * lpfc stat counters 100 */ 101 struct 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 }; 153 154 enum sysfs_mbox_state { 155 SMBOX_IDLE, 156 SMBOX_WRITING, 157 SMBOX_READING 158 }; 159 160 struct lpfc_sysfs_mbox { 161 enum sysfs_mbox_state state; 162 size_t offset; 163 struct lpfcMboxq * mbox; 164 }; 165 166 struct 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 }; 377 378 379 struct rnidrsp { 380 void *buf; 381 uint32_t uniqueid; 382 struct list_head list; 383 uint32_t data; 384 }; 385