root/drivers/scsi/qla4xxx/ql4_def.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. is_ipv4_enabled
  2. is_ipv6_enabled
  3. is_qla4010
  4. is_qla4022
  5. is_qla4032
  6. is_qla40XX
  7. is_qla8022
  8. is_qla8032
  9. is_qla8042
  10. is_qla80XX
  11. is_aer_supported
  12. adapter_up
  13. to_qla_host
  14. isp_semaphore
  15. isp_nvram
  16. isp_ext_hw_conf
  17. isp_port_status
  18. isp_port_ctrl
  19. isp_port_error_status
  20. isp_gp_out
  21. eeprom_ext_hw_conf_offset
  22. ql4xxx_lock_flash
  23. ql4xxx_unlock_flash
  24. ql4xxx_lock_nvram
  25. ql4xxx_unlock_nvram
  26. ql4xxx_lock_drvr
  27. ql4xxx_unlock_drvr
  28. ql4xxx_reset_active
  29. qla4_8xxx_rd_direct
  30. qla4_8xxx_wr_direct

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

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