1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * QLogic iSCSI HBA Driver 4 * Copyright (c) 2003-2013 QLogic Corporation 5 */ 6 7 #ifndef __QL4_DEF_H 8 #define __QL4_DEF_H 9 10 #include <linux/kernel.h> 11 #include <linux/init.h> 12 #include <linux/types.h> 13 #include <linux/module.h> 14 #include <linux/list.h> 15 #include <linux/pci.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/sched.h> 18 #include <linux/slab.h> 19 #include <linux/dmapool.h> 20 #include <linux/mempool.h> 21 #include <linux/spinlock.h> 22 #include <linux/workqueue.h> 23 #include <linux/delay.h> 24 #include <linux/interrupt.h> 25 #include <linux/mutex.h> 26 #include <linux/aer.h> 27 #include <linux/bsg-lib.h> 28 #include <linux/vmalloc.h> 29 30 #include <net/tcp.h> 31 #include <scsi/scsi.h> 32 #include <scsi/scsi_host.h> 33 #include <scsi/scsi_device.h> 34 #include <scsi/scsi_cmnd.h> 35 #include <scsi/scsi_transport.h> 36 #include <scsi/scsi_transport_iscsi.h> 37 #include <scsi/scsi_bsg_iscsi.h> 38 #include <scsi/scsi_netlink.h> 39 #include <scsi/libiscsi.h> 40 41 #include "ql4_dbg.h" 42 #include "ql4_nx.h" 43 #include "ql4_fw.h" 44 #include "ql4_nvram.h" 45 #include "ql4_83xx.h" 46 47 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010 48 #define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010 49 #endif 50 51 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022 52 #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022 53 #endif 54 55 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4032 56 #define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032 57 #endif 58 59 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8022 60 #define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022 61 #endif 62 63 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8324 64 #define PCI_DEVICE_ID_QLOGIC_ISP8324 0x8032 65 #endif 66 67 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8042 68 #define PCI_DEVICE_ID_QLOGIC_ISP8042 0x8042 69 #endif 70 71 #define ISP4XXX_PCI_FN_1 0x1 72 #define ISP4XXX_PCI_FN_2 0x3 73 74 #define QLA_SUCCESS 0 75 #define QLA_ERROR 1 76 #define STATUS(status) status == QLA_ERROR ? "FAILED" : "SUCCEEDED" 77 78 /* 79 * Data bit definitions 80 */ 81 #define BIT_0 0x1 82 #define BIT_1 0x2 83 #define BIT_2 0x4 84 #define BIT_3 0x8 85 #define BIT_4 0x10 86 #define BIT_5 0x20 87 #define BIT_6 0x40 88 #define BIT_7 0x80 89 #define BIT_8 0x100 90 #define BIT_9 0x200 91 #define BIT_10 0x400 92 #define BIT_11 0x800 93 #define BIT_12 0x1000 94 #define BIT_13 0x2000 95 #define BIT_14 0x4000 96 #define BIT_15 0x8000 97 #define BIT_16 0x10000 98 #define BIT_17 0x20000 99 #define BIT_18 0x40000 100 #define BIT_19 0x80000 101 #define BIT_20 0x100000 102 #define BIT_21 0x200000 103 #define BIT_22 0x400000 104 #define BIT_23 0x800000 105 #define BIT_24 0x1000000 106 #define BIT_25 0x2000000 107 #define BIT_26 0x4000000 108 #define BIT_27 0x8000000 109 #define BIT_28 0x10000000 110 #define BIT_29 0x20000000 111 #define BIT_30 0x40000000 112 #define BIT_31 0x80000000 113 114 /** 115 * Macros to help code, maintain, etc. 116 **/ 117 #define ql4_printk(level, ha, format, arg...) \ 118 dev_printk(level , &((ha)->pdev->dev) , format , ## arg) 119 120 121 /* 122 * Host adapter default definitions 123 ***********************************/ 124 #define MAX_HBAS 16 125 #define MAX_BUSES 1 126 #define MAX_TARGETS MAX_DEV_DB_ENTRIES 127 #define MAX_LUNS 0xffff 128 #define MAX_AEN_ENTRIES MAX_DEV_DB_ENTRIES 129 #define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES 130 #define MAX_PDU_ENTRIES 32 131 #define INVALID_ENTRY 0xFFFF 132 #define MAX_CMDS_TO_RISC 1024 133 #define MAX_SRBS MAX_CMDS_TO_RISC 134 #define MBOX_AEN_REG_COUNT 8 135 #define MAX_INIT_RETRIES 5 136 137 /* 138 * Buffer sizes 139 */ 140 #define REQUEST_QUEUE_DEPTH MAX_CMDS_TO_RISC 141 #define RESPONSE_QUEUE_DEPTH 64 142 #define QUEUE_SIZE 64 143 #define DMA_BUFFER_SIZE 512 144 #define IOCB_HIWAT_CUSHION 4 145 146 /* 147 * Misc 148 */ 149 #define MAC_ADDR_LEN 6 /* in bytes */ 150 #define IP_ADDR_LEN 4 /* in bytes */ 151 #define IPv6_ADDR_LEN 16 /* IPv6 address size */ 152 #define DRIVER_NAME "qla4xxx" 153 154 #define MAX_LINKED_CMDS_PER_LUN 3 155 #define MAX_REQS_SERVICED_PER_INTR 1 156 157 #define ISCSI_IPADDR_SIZE 4 /* IP address size */ 158 #define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */ 159 #define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */ 160 161 #define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */ 162 /* recovery timeout */ 163 164 #define LSDW(x) ((u32)((u64)(x))) 165 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16)) 166 167 #define DEV_DB_NON_PERSISTENT 0 168 #define DEV_DB_PERSISTENT 1 169 170 #define QL4_ISP_REG_DISCONNECT 0xffffffffU 171 172 #define COPY_ISID(dst_isid, src_isid) { \ 173 int i, j; \ 174 for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \ 175 dst_isid[i++] = src_isid[j--]; \ 176 } 177 178 #define SET_BITVAL(o, n, v) { \ 179 if (o) \ 180 n |= v; \ 181 else \ 182 n &= ~v; \ 183 } 184 185 #define OP_STATE(o, f, p) { \ 186 p = (o & f) ? "enable" : "disable"; \ 187 } 188 189 /* 190 * Retry & Timeout Values 191 */ 192 #define MBOX_TOV 60 193 #define SOFT_RESET_TOV 30 194 #define RESET_INTR_TOV 3 195 #define SEMAPHORE_TOV 10 196 #define ADAPTER_INIT_TOV 30 197 #define ADAPTER_RESET_TOV 180 198 #define EXTEND_CMD_TOV 60 199 #define WAIT_CMD_TOV 5 200 #define EH_WAIT_CMD_TOV 120 201 #define FIRMWARE_UP_TOV 60 202 #define RESET_FIRMWARE_TOV 30 203 #define LOGOUT_TOV 10 204 #define IOCB_TOV_MARGIN 10 205 #define RELOGIN_TOV 18 206 #define ISNS_DEREG_TOV 5 207 #define HBA_ONLINE_TOV 30 208 #define DISABLE_ACB_TOV 30 209 #define IP_CONFIG_TOV 30 210 #define LOGIN_TOV 12 211 #define BOOT_LOGIN_RESP_TOV 60 212 213 #define MAX_RESET_HA_RETRIES 2 214 #define FW_ALIVE_WAIT_TOV 3 215 #define IDC_EXTEND_TOV 8 216 #define IDC_COMP_TOV 5 217 #define LINK_UP_COMP_TOV 30 218 219 #define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) 220 221 /* 222 * SCSI Request Block structure (srb) that is placed 223 * on cmd->SCp location of every I/O [We have 22 bytes available] 224 */ 225 struct srb { 226 struct list_head list; /* (8) */ 227 struct scsi_qla_host *ha; /* HA the SP is queued on */ 228 struct ddb_entry *ddb; 229 uint16_t flags; /* (1) Status flags. */ 230 231 #define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */ 232 #define SRB_GOT_SENSE BIT_4 /* sense data received. */ 233 uint8_t state; /* (1) Status flags. */ 234 235 #define SRB_NO_QUEUE_STATE 0 /* Request is in between states */ 236 #define SRB_FREE_STATE 1 237 #define SRB_ACTIVE_STATE 3 238 #define SRB_ACTIVE_TIMEOUT_STATE 4 239 #define SRB_SUSPENDED_STATE 7 /* Request in suspended state */ 240 241 struct scsi_cmnd *cmd; /* (4) SCSI command block */ 242 dma_addr_t dma_handle; /* (4) for unmap of single transfers */ 243 struct kref srb_ref; /* reference count for this srb */ 244 uint8_t err_id; /* error id */ 245 #define SRB_ERR_PORT 1 /* Request failed because "port down" */ 246 #define SRB_ERR_LOOP 2 /* Request failed because "loop down" */ 247 #define SRB_ERR_DEVICE 3 /* Request failed because "device error" */ 248 #define SRB_ERR_OTHER 4 249 250 uint16_t reserved; 251 uint16_t iocb_tov; 252 uint16_t iocb_cnt; /* Number of used iocbs */ 253 uint16_t cc_stat; 254 255 /* Used for extended sense / status continuation */ 256 uint8_t *req_sense_ptr; 257 uint16_t req_sense_len; 258 uint16_t reserved2; 259 }; 260 261 /* Mailbox request block structure */ 262 struct mrb { 263 struct scsi_qla_host *ha; 264 struct mbox_cmd_iocb *mbox; 265 uint32_t mbox_cmd; 266 uint16_t iocb_cnt; /* Number of used iocbs */ 267 uint32_t pid; 268 }; 269 270 /* 271 * Asynchronous Event Queue structure 272 */ 273 struct aen { 274 uint32_t mbox_sts[MBOX_AEN_REG_COUNT]; 275 }; 276 277 struct ql4_aen_log { 278 int count; 279 struct aen entry[MAX_AEN_ENTRIES]; 280 }; 281 282 /* 283 * Device Database (DDB) structure 284 */ 285 struct ddb_entry { 286 struct scsi_qla_host *ha; 287 struct iscsi_cls_session *sess; 288 struct iscsi_cls_conn *conn; 289 290 uint16_t fw_ddb_index; /* DDB firmware index */ 291 uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */ 292 uint16_t ddb_type; 293 #define FLASH_DDB 0x01 294 295 struct dev_db_entry fw_ddb_entry; 296 int (*unblock_sess)(struct iscsi_cls_session *cls_session); 297 int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index, 298 struct ddb_entry *ddb_entry, uint32_t state); 299 300 /* Driver Re-login */ 301 unsigned long flags; /* DDB Flags */ 302 #define DDB_CONN_CLOSE_FAILURE 0 /* 0x00000001 */ 303 304 uint16_t default_relogin_timeout; /* Max time to wait for 305 * relogin to complete */ 306 atomic_t retry_relogin_timer; /* Min Time between relogins 307 * (4000 only) */ 308 atomic_t relogin_timer; /* Max Time to wait for 309 * relogin to complete */ 310 atomic_t relogin_retry_count; /* Num of times relogin has been 311 * retried */ 312 uint32_t default_time2wait; /* Default Min time between 313 * relogins (+aens) */ 314 uint16_t chap_tbl_idx; 315 }; 316 317 struct qla_ddb_index { 318 struct list_head list; 319 uint16_t fw_ddb_idx; 320 uint16_t flash_ddb_idx; 321 struct dev_db_entry fw_ddb; 322 uint8_t flash_isid[6]; 323 }; 324 325 #define DDB_IPADDR_LEN 64 326 327 struct ql4_tuple_ddb { 328 int port; 329 int tpgt; 330 char ip_addr[DDB_IPADDR_LEN]; 331 char iscsi_name[ISCSI_NAME_SIZE]; 332 uint16_t options; 333 #define DDB_OPT_IPV6 0x0e0e 334 #define DDB_OPT_IPV4 0x0f0f 335 uint8_t isid[6]; 336 }; 337 338 /* 339 * DDB states. 340 */ 341 #define DDB_STATE_DEAD 0 /* We can no longer talk to 342 * this device */ 343 #define DDB_STATE_ONLINE 1 /* Device ready to accept 344 * commands */ 345 #define DDB_STATE_MISSING 2 /* Device logged off, trying 346 * to re-login */ 347 348 /* 349 * DDB flags. 350 */ 351 #define DF_RELOGIN 0 /* Relogin to device */ 352 #define DF_BOOT_TGT 1 /* Boot target entry */ 353 #define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */ 354 #define DF_FO_MASKED 3 355 #define DF_DISABLE_RELOGIN 4 /* Disable relogin to device */ 356 357 enum qla4_work_type { 358 QLA4_EVENT_AEN, 359 QLA4_EVENT_PING_STATUS, 360 }; 361 362 struct qla4_work_evt { 363 struct list_head list; 364 enum qla4_work_type type; 365 union { 366 struct { 367 enum iscsi_host_event_code code; 368 uint32_t data_size; 369 uint8_t data[]; 370 } aen; 371 struct { 372 uint32_t status; 373 uint32_t pid; 374 uint32_t data_size; 375 uint8_t data[]; 376 } ping; 377 } u; 378 }; 379 380 struct ql82xx_hw_data { 381 /* Offsets for flash/nvram access (set to ~0 if not used). */ 382 uint32_t flash_conf_off; 383 uint32_t flash_data_off; 384 385 uint32_t fdt_wrt_disable; 386 uint32_t fdt_erase_cmd; 387 uint32_t fdt_block_size; 388 uint32_t fdt_unprotect_sec_cmd; 389 uint32_t fdt_protect_sec_cmd; 390 391 uint32_t flt_region_flt; 392 uint32_t flt_region_fdt; 393 uint32_t flt_region_boot; 394 uint32_t flt_region_bootload; 395 uint32_t flt_region_fw; 396 397 uint32_t flt_iscsi_param; 398 uint32_t flt_region_chap; 399 uint32_t flt_chap_size; 400 uint32_t flt_region_ddb; 401 uint32_t flt_ddb_size; 402 }; 403 404 struct qla4_8xxx_legacy_intr_set { 405 uint32_t int_vec_bit; 406 uint32_t tgt_status_reg; 407 uint32_t tgt_mask_reg; 408 uint32_t pci_int_reg; 409 }; 410 411 /* MSI-X Support */ 412 #define QLA_MSIX_ENTRIES 2 413 414 /* 415 * ISP Operations 416 */ 417 struct isp_operations { 418 int (*iospace_config) (struct scsi_qla_host *ha); 419 void (*pci_config) (struct scsi_qla_host *); 420 void (*disable_intrs) (struct scsi_qla_host *); 421 void (*enable_intrs) (struct scsi_qla_host *); 422 int (*start_firmware) (struct scsi_qla_host *); 423 int (*restart_firmware) (struct scsi_qla_host *); 424 irqreturn_t (*intr_handler) (int , void *); 425 void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t); 426 int (*need_reset) (struct scsi_qla_host *); 427 int (*reset_chip) (struct scsi_qla_host *); 428 int (*reset_firmware) (struct scsi_qla_host *); 429 void (*queue_iocb) (struct scsi_qla_host *); 430 void (*complete_iocb) (struct scsi_qla_host *); 431 uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *); 432 uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *); 433 int (*get_sys_info) (struct scsi_qla_host *); 434 uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong); 435 void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t); 436 int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *); 437 int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t); 438 int (*idc_lock) (struct scsi_qla_host *); /* Context: task, can sleep */ 439 void (*idc_unlock) (struct scsi_qla_host *); 440 void (*rom_lock_recovery) (struct scsi_qla_host *); /* Context: task, can sleep */ 441 void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int); 442 void (*process_mailbox_interrupt) (struct scsi_qla_host *, int); 443 }; 444 445 struct ql4_mdump_size_table { 446 uint32_t size; 447 uint32_t size_cmask_02; 448 uint32_t size_cmask_04; 449 uint32_t size_cmask_08; 450 uint32_t size_cmask_10; 451 uint32_t size_cmask_FF; 452 uint32_t version; 453 }; 454 455 /*qla4xxx ipaddress configuration details */ 456 struct ipaddress_config { 457 uint16_t ipv4_options; 458 uint16_t tcp_options; 459 uint16_t ipv4_vlan_tag; 460 uint8_t ipv4_addr_state; 461 uint8_t ip_address[IP_ADDR_LEN]; 462 uint8_t subnet_mask[IP_ADDR_LEN]; 463 uint8_t gateway[IP_ADDR_LEN]; 464 uint32_t ipv6_options; 465 uint32_t ipv6_addl_options; 466 uint8_t ipv6_link_local_state; 467 uint8_t ipv6_addr0_state; 468 uint8_t ipv6_addr1_state; 469 uint8_t ipv6_default_router_state; 470 uint16_t ipv6_vlan_tag; 471 struct in6_addr ipv6_link_local_addr; 472 struct in6_addr ipv6_addr0; 473 struct in6_addr ipv6_addr1; 474 struct in6_addr ipv6_default_router_addr; 475 uint16_t eth_mtu_size; 476 uint16_t ipv4_port; 477 uint16_t ipv6_port; 478 uint8_t control; 479 uint16_t ipv6_tcp_options; 480 uint8_t tcp_wsf; 481 uint8_t ipv6_tcp_wsf; 482 uint8_t ipv4_tos; 483 uint8_t ipv4_cache_id; 484 uint8_t ipv6_cache_id; 485 uint8_t ipv4_alt_cid_len; 486 uint8_t ipv4_alt_cid[11]; 487 uint8_t ipv4_vid_len; 488 uint8_t ipv4_vid[11]; 489 uint8_t ipv4_ttl; 490 uint16_t ipv6_flow_lbl; 491 uint8_t ipv6_traffic_class; 492 uint8_t ipv6_hop_limit; 493 uint32_t ipv6_nd_reach_time; 494 uint32_t ipv6_nd_rexmit_timer; 495 uint32_t ipv6_nd_stale_timeout; 496 uint8_t ipv6_dup_addr_detect_count; 497 uint32_t ipv6_gw_advrt_mtu; 498 uint16_t def_timeout; 499 uint8_t abort_timer; 500 uint16_t iscsi_options; 501 uint16_t iscsi_max_pdu_size; 502 uint16_t iscsi_first_burst_len; 503 uint16_t iscsi_max_outstnd_r2t; 504 uint16_t iscsi_max_burst_len; 505 uint8_t iscsi_name[224]; 506 }; 507 508 #define QL4_CHAP_MAX_NAME_LEN 256 509 #define QL4_CHAP_MAX_SECRET_LEN 100 510 #define LOCAL_CHAP 0 511 #define BIDI_CHAP 1 512 513 struct ql4_chap_format { 514 u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN]; 515 u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN]; 516 u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN]; 517 u8 target_secret[QL4_CHAP_MAX_SECRET_LEN]; 518 u16 intr_chap_name_length; 519 u16 intr_secret_length; 520 u16 target_chap_name_length; 521 u16 target_secret_length; 522 }; 523 524 struct ip_address_format { 525 u8 ip_type; 526 u8 ip_address[16]; 527 }; 528 529 struct ql4_conn_info { 530 u16 dest_port; 531 struct ip_address_format dest_ipaddr; 532 struct ql4_chap_format chap; 533 }; 534 535 struct ql4_boot_session_info { 536 u8 target_name[224]; 537 struct ql4_conn_info conn_list[1]; 538 }; 539 540 struct ql4_boot_tgt_info { 541 struct ql4_boot_session_info boot_pri_sess; 542 struct ql4_boot_session_info boot_sec_sess; 543 }; 544 545 /* 546 * Linux Host Adapter structure 547 */ 548 struct scsi_qla_host { 549 /* Linux adapter configuration data */ 550 unsigned long flags; 551 552 #define AF_ONLINE 0 /* 0x00000001 */ 553 #define AF_INIT_DONE 1 /* 0x00000002 */ 554 #define AF_MBOX_COMMAND 2 /* 0x00000004 */ 555 #define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */ 556 #define AF_ST_DISCOVERY_IN_PROGRESS 4 /* 0x00000010 */ 557 #define AF_INTERRUPTS_ON 6 /* 0x00000040 */ 558 #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */ 559 #define AF_LINK_UP 8 /* 0x00000100 */ 560 #define AF_LOOPBACK 9 /* 0x00000200 */ 561 #define AF_IRQ_ATTACHED 10 /* 0x00000400 */ 562 #define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */ 563 #define AF_HA_REMOVAL 12 /* 0x00001000 */ 564 #define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */ 565 #define AF_FW_RECOVERY 19 /* 0x00080000 */ 566 #define AF_EEH_BUSY 20 /* 0x00100000 */ 567 #define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */ 568 #define AF_BUILD_DDB_LIST 22 /* 0x00400000 */ 569 #define AF_82XX_FW_DUMPED 24 /* 0x01000000 */ 570 #define AF_8XXX_RST_OWNER 25 /* 0x02000000 */ 571 #define AF_82XX_DUMP_READING 26 /* 0x04000000 */ 572 #define AF_83XX_IOCB_INTR_ON 28 /* 0x10000000 */ 573 #define AF_83XX_MBOX_INTR_ON 29 /* 0x20000000 */ 574 575 unsigned long dpc_flags; 576 577 #define DPC_RESET_HA 1 /* 0x00000002 */ 578 #define DPC_RETRY_RESET_HA 2 /* 0x00000004 */ 579 #define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */ 580 #define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */ 581 #define DPC_RESET_HA_INTR 5 /* 0x00000020 */ 582 #define DPC_ISNS_RESTART 7 /* 0x00000080 */ 583 #define DPC_AEN 9 /* 0x00000200 */ 584 #define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */ 585 #define DPC_LINK_CHANGED 18 /* 0x00040000 */ 586 #define DPC_RESET_ACTIVE 20 /* 0x00100000 */ 587 #define DPC_HA_UNRECOVERABLE 21 /* 0x00200000 ISP-82xx only*/ 588 #define DPC_HA_NEED_QUIESCENT 22 /* 0x00400000 ISP-82xx only*/ 589 #define DPC_POST_IDC_ACK 23 /* 0x00800000 */ 590 #define DPC_RESTORE_ACB 24 /* 0x01000000 */ 591 #define DPC_SYSFS_DDB_EXPORT 25 /* 0x02000000 */ 592 593 struct Scsi_Host *host; /* pointer to host data */ 594 uint32_t tot_ddbs; 595 596 uint16_t iocb_cnt; 597 uint16_t iocb_hiwat; 598 599 /* SRB cache. */ 600 #define SRB_MIN_REQ 128 601 mempool_t *srb_mempool; 602 603 /* pci information */ 604 struct pci_dev *pdev; 605 606 struct isp_reg __iomem *reg; /* Base I/O address */ 607 unsigned long pio_address; 608 unsigned long pio_length; 609 #define MIN_IOBASE_LEN 0x100 610 611 uint16_t req_q_count; 612 613 unsigned long host_no; 614 615 /* NVRAM registers */ 616 struct eeprom_data *nvram; 617 spinlock_t hardware_lock ____cacheline_aligned; 618 uint32_t eeprom_cmd_data; 619 620 /* Counters for general statistics */ 621 uint64_t isr_count; 622 uint64_t adapter_error_count; 623 uint64_t device_error_count; 624 uint64_t total_io_count; 625 uint64_t total_mbytes_xferred; 626 uint64_t link_failure_count; 627 uint64_t invalid_crc_count; 628 uint32_t bytes_xfered; 629 uint32_t spurious_int_count; 630 uint32_t aborted_io_count; 631 uint32_t io_timeout_count; 632 uint32_t mailbox_timeout_count; 633 uint32_t seconds_since_last_intr; 634 uint32_t seconds_since_last_heartbeat; 635 uint32_t mac_index; 636 637 /* Info Needed for Management App */ 638 /* --- From GetFwVersion --- */ 639 uint32_t firmware_version[2]; 640 uint32_t patch_number; 641 uint32_t build_number; 642 uint32_t board_id; 643 644 /* --- From Init_FW --- */ 645 /* init_cb_t *init_cb; */ 646 uint16_t firmware_options; 647 uint8_t alias[32]; 648 uint8_t name_string[256]; 649 uint8_t heartbeat_interval; 650 651 /* --- From FlashSysInfo --- */ 652 uint8_t my_mac[MAC_ADDR_LEN]; 653 uint8_t serial_number[16]; 654 uint16_t port_num; 655 /* --- From GetFwState --- */ 656 uint32_t firmware_state; 657 uint32_t addl_fw_state; 658 659 /* Linux kernel thread */ 660 struct workqueue_struct *dpc_thread; 661 struct work_struct dpc_work; 662 663 /* Linux timer thread */ 664 struct timer_list timer; 665 uint32_t timer_active; 666 667 /* Recovery Timers */ 668 atomic_t check_relogin_timeouts; 669 uint32_t retry_reset_ha_cnt; 670 uint32_t isp_reset_timer; /* reset test timer */ 671 uint32_t nic_reset_timer; /* simulated nic reset test timer */ 672 int eh_start; 673 struct list_head free_srb_q; 674 uint16_t free_srb_q_count; 675 uint16_t num_srbs_allocated; 676 677 /* DMA Memory Block */ 678 void *queues; 679 dma_addr_t queues_dma; 680 unsigned long queues_len; 681 682 #define MEM_ALIGN_VALUE \ 683 ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \ 684 sizeof(struct queue_entry)) 685 /* request and response queue variables */ 686 dma_addr_t request_dma; 687 struct queue_entry *request_ring; 688 struct queue_entry *request_ptr; 689 dma_addr_t response_dma; 690 struct queue_entry *response_ring; 691 struct queue_entry *response_ptr; 692 dma_addr_t shadow_regs_dma; 693 struct shadow_regs *shadow_regs; 694 uint16_t request_in; /* Current indexes. */ 695 uint16_t request_out; 696 uint16_t response_in; 697 uint16_t response_out; 698 699 /* aen queue variables */ 700 uint16_t aen_q_count; /* Number of available aen_q entries */ 701 uint16_t aen_in; /* Current indexes */ 702 uint16_t aen_out; 703 struct aen aen_q[MAX_AEN_ENTRIES]; 704 705 struct ql4_aen_log aen_log;/* tracks all aens */ 706 707 /* This mutex protects several threads to do mailbox commands 708 * concurrently. 709 */ 710 struct mutex mbox_sem; 711 712 /* temporary mailbox status registers */ 713 volatile uint8_t mbox_status_count; 714 volatile uint32_t mbox_status[MBOX_REG_COUNT]; 715 716 /* FW ddb index map */ 717 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES]; 718 719 /* Saved srb for status continuation entry processing */ 720 struct srb *status_srb; 721 722 uint8_t acb_version; 723 724 /* qla82xx specific fields */ 725 struct device_reg_82xx __iomem *qla4_82xx_reg; /* Base I/O address */ 726 unsigned long nx_pcibase; /* Base I/O address */ 727 uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */ 728 unsigned long nx_db_wr_ptr; /* Door bell write pointer */ 729 unsigned long first_page_group_start; 730 unsigned long first_page_group_end; 731 732 uint32_t crb_win; 733 uint32_t curr_window; 734 uint32_t ddr_mn_window; 735 unsigned long mn_win_crb; 736 unsigned long ms_win_crb; 737 int qdr_sn_window; 738 rwlock_t hw_lock; 739 uint16_t func_num; 740 int link_width; 741 742 struct qla4_8xxx_legacy_intr_set nx_legacy_intr; 743 u32 nx_crb_mask; 744 745 uint8_t revision_id; 746 uint32_t fw_heartbeat_counter; 747 748 struct isp_operations *isp_ops; 749 struct ql82xx_hw_data hw; 750 751 uint32_t nx_dev_init_timeout; 752 uint32_t nx_reset_timeout; 753 void *fw_dump; 754 uint32_t fw_dump_size; 755 uint32_t fw_dump_capture_mask; 756 void *fw_dump_tmplt_hdr; 757 uint32_t fw_dump_tmplt_size; 758 uint32_t fw_dump_skip_size; 759 760 struct completion mbx_intr_comp; 761 762 struct ipaddress_config ip_config; 763 struct iscsi_iface *iface_ipv4; 764 struct iscsi_iface *iface_ipv6_0; 765 struct iscsi_iface *iface_ipv6_1; 766 767 /* --- From About Firmware --- */ 768 struct about_fw_info fw_info; 769 uint32_t fw_uptime_secs; /* seconds elapsed since fw bootup */ 770 uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */ 771 uint16_t def_timeout; /* Default login timeout */ 772 773 uint32_t flash_state; 774 #define QLFLASH_WAITING 0 775 #define QLFLASH_READING 1 776 #define QLFLASH_WRITING 2 777 struct dma_pool *chap_dma_pool; 778 uint8_t *chap_list; /* CHAP table cache */ 779 struct mutex chap_sem; 780 781 #define CHAP_DMA_BLOCK_SIZE 512 782 struct workqueue_struct *task_wq; 783 unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG]; 784 #define SYSFS_FLAG_FW_SEL_BOOT 2 785 struct iscsi_boot_kset *boot_kset; 786 struct ql4_boot_tgt_info boot_tgt; 787 uint16_t phy_port_num; 788 uint16_t phy_port_cnt; 789 uint16_t iscsi_pci_func_cnt; 790 uint8_t model_name[16]; 791 struct completion disable_acb_comp; 792 struct dma_pool *fw_ddb_dma_pool; 793 #define DDB_DMA_BLOCK_SIZE 512 794 uint16_t pri_ddb_idx; 795 uint16_t sec_ddb_idx; 796 int is_reset; 797 uint16_t temperature; 798 799 /* event work list */ 800 struct list_head work_list; 801 spinlock_t work_lock; 802 803 /* mbox iocb */ 804 #define MAX_MRB 128 805 struct mrb *active_mrb_array[MAX_MRB]; 806 uint32_t mrb_index; 807 808 uint32_t *reg_tbl; 809 struct qla4_83xx_reset_template reset_tmplt; 810 struct device_reg_83xx __iomem *qla4_83xx_reg; /* Base I/O address 811 for ISP8324 and 812 and ISP8042 */ 813 uint32_t pf_bit; 814 struct qla4_83xx_idc_information idc_info; 815 struct addr_ctrl_blk *saved_acb; 816 int notify_idc_comp; 817 int notify_link_up_comp; 818 int idc_extend_tmo; 819 struct completion idc_comp; 820 struct completion link_up_comp; 821 }; 822 823 struct ql4_task_data { 824 struct scsi_qla_host *ha; 825 uint8_t iocb_req_cnt; 826 dma_addr_t data_dma; 827 void *req_buffer; 828 dma_addr_t req_dma; 829 uint32_t req_len; 830 void *resp_buffer; 831 dma_addr_t resp_dma; 832 uint32_t resp_len; 833 struct iscsi_task *task; 834 struct passthru_status sts; 835 struct work_struct task_work; 836 }; 837 838 struct qla_endpoint { 839 struct Scsi_Host *host; 840 struct sockaddr_storage dst_addr; 841 }; 842 843 struct qla_conn { 844 struct qla_endpoint *qla_ep; 845 }; 846 847 static inline int is_ipv4_enabled(struct scsi_qla_host *ha) 848 { 849 return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0); 850 } 851 852 static inline int is_ipv6_enabled(struct scsi_qla_host *ha) 853 { 854 return ((ha->ip_config.ipv6_options & 855 IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0); 856 } 857 858 static inline int is_qla4010(struct scsi_qla_host *ha) 859 { 860 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010; 861 } 862 863 static inline int is_qla4022(struct scsi_qla_host *ha) 864 { 865 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022; 866 } 867 868 static inline int is_qla4032(struct scsi_qla_host *ha) 869 { 870 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032; 871 } 872 873 static inline int is_qla40XX(struct scsi_qla_host *ha) 874 { 875 return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha); 876 } 877 878 static inline int is_qla8022(struct scsi_qla_host *ha) 879 { 880 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022; 881 } 882 883 static inline int is_qla8032(struct scsi_qla_host *ha) 884 { 885 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324; 886 } 887 888 static inline int is_qla8042(struct scsi_qla_host *ha) 889 { 890 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042; 891 } 892 893 static inline int is_qla80XX(struct scsi_qla_host *ha) 894 { 895 return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha); 896 } 897 898 static inline int is_aer_supported(struct scsi_qla_host *ha) 899 { 900 return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) || 901 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) || 902 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042)); 903 } 904 905 static inline int adapter_up(struct scsi_qla_host *ha) 906 { 907 return (test_bit(AF_ONLINE, &ha->flags) != 0) && 908 (test_bit(AF_LINK_UP, &ha->flags) != 0) && 909 (!test_bit(AF_LOOPBACK, &ha->flags)); 910 } 911 912 static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost) 913 { 914 return (struct scsi_qla_host *)iscsi_host_priv(shost); 915 } 916 917 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha) 918 { 919 return (is_qla4010(ha) ? 920 &ha->reg->u1.isp4010.nvram : 921 &ha->reg->u1.isp4022.semaphore); 922 } 923 924 static inline void __iomem* isp_nvram(struct scsi_qla_host *ha) 925 { 926 return (is_qla4010(ha) ? 927 &ha->reg->u1.isp4010.nvram : 928 &ha->reg->u1.isp4022.nvram); 929 } 930 931 static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha) 932 { 933 return (is_qla4010(ha) ? 934 &ha->reg->u2.isp4010.ext_hw_conf : 935 &ha->reg->u2.isp4022.p0.ext_hw_conf); 936 } 937 938 static inline void __iomem* isp_port_status(struct scsi_qla_host *ha) 939 { 940 return (is_qla4010(ha) ? 941 &ha->reg->u2.isp4010.port_status : 942 &ha->reg->u2.isp4022.p0.port_status); 943 } 944 945 static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha) 946 { 947 return (is_qla4010(ha) ? 948 &ha->reg->u2.isp4010.port_ctrl : 949 &ha->reg->u2.isp4022.p0.port_ctrl); 950 } 951 952 static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha) 953 { 954 return (is_qla4010(ha) ? 955 &ha->reg->u2.isp4010.port_err_status : 956 &ha->reg->u2.isp4022.p0.port_err_status); 957 } 958 959 static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha) 960 { 961 return (is_qla4010(ha) ? 962 &ha->reg->u2.isp4010.gp_out : 963 &ha->reg->u2.isp4022.p0.gp_out); 964 } 965 966 static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha) 967 { 968 return (is_qla4010(ha) ? 969 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 : 970 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2); 971 } 972 973 int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); 974 void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask); 975 int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); 976 977 static inline int ql4xxx_lock_flash(struct scsi_qla_host *a) 978 { 979 if (is_qla4010(a)) 980 return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK, 981 QL4010_FLASH_SEM_BITS); 982 else 983 return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK, 984 (QL4022_RESOURCE_BITS_BASE_CODE | 985 (a->mac_index)) << 13); 986 } 987 988 static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a) 989 { 990 if (is_qla4010(a)) 991 ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK); 992 else 993 ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK); 994 } 995 996 static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a) 997 { 998 if (is_qla4010(a)) 999 return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK, 1000 QL4010_NVRAM_SEM_BITS); 1001 else 1002 return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK, 1003 (QL4022_RESOURCE_BITS_BASE_CODE | 1004 (a->mac_index)) << 10); 1005 } 1006 1007 static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a) 1008 { 1009 if (is_qla4010(a)) 1010 ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK); 1011 else 1012 ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK); 1013 } 1014 1015 static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a) 1016 { 1017 if (is_qla4010(a)) 1018 return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK, 1019 QL4010_DRVR_SEM_BITS); 1020 else 1021 return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK, 1022 (QL4022_RESOURCE_BITS_BASE_CODE | 1023 (a->mac_index)) << 1); 1024 } 1025 1026 static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a) 1027 { 1028 if (is_qla4010(a)) 1029 ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK); 1030 else 1031 ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK); 1032 } 1033 1034 static inline int ql4xxx_reset_active(struct scsi_qla_host *ha) 1035 { 1036 return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 1037 test_bit(DPC_RESET_HA, &ha->dpc_flags) || 1038 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 1039 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 1040 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 1041 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 1042 1043 } 1044 1045 static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha, 1046 const uint32_t crb_reg) 1047 { 1048 return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]); 1049 } 1050 1051 static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha, 1052 const uint32_t crb_reg, 1053 const uint32_t value) 1054 { 1055 ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value); 1056 } 1057 1058 /*---------------------------------------------------------------------------*/ 1059 1060 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */ 1061 1062 #define INIT_ADAPTER 0 1063 #define RESET_ADAPTER 1 1064 1065 #define PRESERVE_DDB_LIST 0 1066 #define REBUILD_DDB_LIST 1 1067 1068 /* Defines for process_aen() */ 1069 #define PROCESS_ALL_AENS 0 1070 #define FLUSH_DDB_CHANGED_AENS 1 1071 1072 /* Defines for udev events */ 1073 #define QL4_UEVENT_CODE_FW_DUMP 0 1074 1075 #endif /*_QLA4XXX_H */ 1076