linux/drivers/scsi/qla4xxx/ql4_def.h
<<
>>
Prefs
   1/*
   2 * QLogic iSCSI HBA Driver
   3 * Copyright (c)  2003-2012 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
  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#define ISP4XXX_PCI_FN_1        0x1
  68#define ISP4XXX_PCI_FN_2        0x3
  69
  70#define QLA_SUCCESS                     0
  71#define QLA_ERROR                       1
  72
  73/*
  74 * Data bit definitions
  75 */
  76#define BIT_0   0x1
  77#define BIT_1   0x2
  78#define BIT_2   0x4
  79#define BIT_3   0x8
  80#define BIT_4   0x10
  81#define BIT_5   0x20
  82#define BIT_6   0x40
  83#define BIT_7   0x80
  84#define BIT_8   0x100
  85#define BIT_9   0x200
  86#define BIT_10  0x400
  87#define BIT_11  0x800
  88#define BIT_12  0x1000
  89#define BIT_13  0x2000
  90#define BIT_14  0x4000
  91#define BIT_15  0x8000
  92#define BIT_16  0x10000
  93#define BIT_17  0x20000
  94#define BIT_18  0x40000
  95#define BIT_19  0x80000
  96#define BIT_20  0x100000
  97#define BIT_21  0x200000
  98#define BIT_22  0x400000
  99#define BIT_23  0x800000
 100#define BIT_24  0x1000000
 101#define BIT_25  0x2000000
 102#define BIT_26  0x4000000
 103#define BIT_27  0x8000000
 104#define BIT_28  0x10000000
 105#define BIT_29  0x20000000
 106#define BIT_30  0x40000000
 107#define BIT_31  0x80000000
 108
 109/**
 110 * Macros to help code, maintain, etc.
 111 **/
 112#define ql4_printk(level, ha, format, arg...) \
 113        dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
 114
 115
 116/*
 117 * Host adapter default definitions
 118 ***********************************/
 119#define MAX_HBAS                16
 120#define MAX_BUSES               1
 121#define MAX_TARGETS             MAX_DEV_DB_ENTRIES
 122#define MAX_LUNS                0xffff
 123#define MAX_AEN_ENTRIES         MAX_DEV_DB_ENTRIES
 124#define MAX_DDB_ENTRIES         MAX_DEV_DB_ENTRIES
 125#define MAX_PDU_ENTRIES         32
 126#define INVALID_ENTRY           0xFFFF
 127#define MAX_CMDS_TO_RISC        1024
 128#define MAX_SRBS                MAX_CMDS_TO_RISC
 129#define MBOX_AEN_REG_COUNT      8
 130#define MAX_INIT_RETRIES        5
 131
 132/*
 133 * Buffer sizes
 134 */
 135#define REQUEST_QUEUE_DEPTH             MAX_CMDS_TO_RISC
 136#define RESPONSE_QUEUE_DEPTH            64
 137#define QUEUE_SIZE                      64
 138#define DMA_BUFFER_SIZE                 512
 139#define IOCB_HIWAT_CUSHION              4
 140
 141/*
 142 * Misc
 143 */
 144#define MAC_ADDR_LEN                    6       /* in bytes */
 145#define IP_ADDR_LEN                     4       /* in bytes */
 146#define IPv6_ADDR_LEN                   16      /* IPv6 address size */
 147#define DRIVER_NAME                     "qla4xxx"
 148
 149#define MAX_LINKED_CMDS_PER_LUN         3
 150#define MAX_REQS_SERVICED_PER_INTR      1
 151
 152#define ISCSI_IPADDR_SIZE               4       /* IP address size */
 153#define ISCSI_ALIAS_SIZE                32      /* ISCSI Alias name size */
 154#define ISCSI_NAME_SIZE                 0xE0    /* ISCSI Name size */
 155
 156#define QL4_SESS_RECOVERY_TMO           120     /* iSCSI session */
 157                                                /* recovery timeout */
 158
 159#define LSDW(x) ((u32)((u64)(x)))
 160#define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
 161
 162/*
 163 * Retry & Timeout Values
 164 */
 165#define MBOX_TOV                        60
 166#define SOFT_RESET_TOV                  30
 167#define RESET_INTR_TOV                  3
 168#define SEMAPHORE_TOV                   10
 169#define ADAPTER_INIT_TOV                30
 170#define ADAPTER_RESET_TOV               180
 171#define EXTEND_CMD_TOV                  60
 172#define WAIT_CMD_TOV                    30
 173#define EH_WAIT_CMD_TOV                 120
 174#define FIRMWARE_UP_TOV                 60
 175#define RESET_FIRMWARE_TOV              30
 176#define LOGOUT_TOV                      10
 177#define IOCB_TOV_MARGIN                 10
 178#define RELOGIN_TOV                     18
 179#define ISNS_DEREG_TOV                  5
 180#define HBA_ONLINE_TOV                  30
 181#define DISABLE_ACB_TOV                 30
 182#define IP_CONFIG_TOV                   30
 183#define LOGIN_TOV                       12
 184#define BOOT_LOGIN_RESP_TOV             60
 185
 186#define MAX_RESET_HA_RETRIES            2
 187#define FW_ALIVE_WAIT_TOV               3
 188
 189#define CMD_SP(Cmnd)                    ((Cmnd)->SCp.ptr)
 190
 191/*
 192 * SCSI Request Block structure  (srb)  that is placed
 193 * on cmd->SCp location of every I/O     [We have 22 bytes available]
 194 */
 195struct srb {
 196        struct list_head list;  /* (8)   */
 197        struct scsi_qla_host *ha;       /* HA the SP is queued on */
 198        struct ddb_entry *ddb;
 199        uint16_t flags;         /* (1) Status flags. */
 200
 201#define SRB_DMA_VALID           BIT_3   /* DMA Buffer mapped. */
 202#define SRB_GOT_SENSE           BIT_4   /* sense data received. */
 203        uint8_t state;          /* (1) Status flags. */
 204
 205#define SRB_NO_QUEUE_STATE       0      /* Request is in between states */
 206#define SRB_FREE_STATE           1
 207#define SRB_ACTIVE_STATE         3
 208#define SRB_ACTIVE_TIMEOUT_STATE 4
 209#define SRB_SUSPENDED_STATE      7      /* Request in suspended state */
 210
 211        struct scsi_cmnd *cmd;  /* (4) SCSI command block */
 212        dma_addr_t dma_handle;  /* (4) for unmap of single transfers */
 213        struct kref srb_ref;    /* reference count for this srb */
 214        uint8_t err_id;         /* error id */
 215#define SRB_ERR_PORT       1    /* Request failed because "port down" */
 216#define SRB_ERR_LOOP       2    /* Request failed because "loop down" */
 217#define SRB_ERR_DEVICE     3    /* Request failed because "device error" */
 218#define SRB_ERR_OTHER      4
 219
 220        uint16_t reserved;
 221        uint16_t iocb_tov;
 222        uint16_t iocb_cnt;      /* Number of used iocbs */
 223        uint16_t cc_stat;
 224
 225        /* Used for extended sense / status continuation */
 226        uint8_t *req_sense_ptr;
 227        uint16_t req_sense_len;
 228        uint16_t reserved2;
 229};
 230
 231/* Mailbox request block structure */
 232struct mrb {
 233        struct scsi_qla_host *ha;
 234        struct mbox_cmd_iocb *mbox;
 235        uint32_t mbox_cmd;
 236        uint16_t iocb_cnt;              /* Number of used iocbs */
 237        uint32_t pid;
 238};
 239
 240/*
 241 * Asynchronous Event Queue structure
 242 */
 243struct aen {
 244        uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
 245};
 246
 247struct ql4_aen_log {
 248        int count;
 249        struct aen entry[MAX_AEN_ENTRIES];
 250};
 251
 252/*
 253 * Device Database (DDB) structure
 254 */
 255struct ddb_entry {
 256        struct scsi_qla_host *ha;
 257        struct iscsi_cls_session *sess;
 258        struct iscsi_cls_conn *conn;
 259
 260        uint16_t fw_ddb_index;  /* DDB firmware index */
 261        uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
 262        uint16_t ddb_type;
 263#define FLASH_DDB 0x01
 264
 265        struct dev_db_entry fw_ddb_entry;
 266        int (*unblock_sess)(struct iscsi_cls_session *cls_session);
 267        int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 268                          struct ddb_entry *ddb_entry, uint32_t state);
 269
 270        /* Driver Re-login  */
 271        unsigned long flags;              /* DDB Flags */
 272        uint16_t default_relogin_timeout; /*  Max time to wait for
 273                                           *  relogin to complete */
 274        atomic_t retry_relogin_timer;     /* Min Time between relogins
 275                                           * (4000 only) */
 276        atomic_t relogin_timer;           /* Max Time to wait for
 277                                           * relogin to complete */
 278        atomic_t relogin_retry_count;     /* Num of times relogin has been
 279                                           * retried */
 280        uint32_t default_time2wait;       /* Default Min time between
 281                                           * relogins (+aens) */
 282        uint16_t chap_tbl_idx;
 283};
 284
 285struct qla_ddb_index {
 286        struct list_head list;
 287        uint16_t fw_ddb_idx;
 288        struct dev_db_entry fw_ddb;
 289        uint8_t flash_isid[6];
 290};
 291
 292#define DDB_IPADDR_LEN 64
 293
 294struct ql4_tuple_ddb {
 295        int port;
 296        int tpgt;
 297        char ip_addr[DDB_IPADDR_LEN];
 298        char iscsi_name[ISCSI_NAME_SIZE];
 299        uint16_t options;
 300#define DDB_OPT_IPV6 0x0e0e
 301#define DDB_OPT_IPV4 0x0f0f
 302        uint8_t isid[6];
 303};
 304
 305/*
 306 * DDB states.
 307 */
 308#define DDB_STATE_DEAD          0       /* We can no longer talk to
 309                                         * this device */
 310#define DDB_STATE_ONLINE        1       /* Device ready to accept
 311                                         * commands */
 312#define DDB_STATE_MISSING       2       /* Device logged off, trying
 313                                         * to re-login */
 314
 315/*
 316 * DDB flags.
 317 */
 318#define DF_RELOGIN              0       /* Relogin to device */
 319#define DF_BOOT_TGT             1       /* Boot target entry */
 320#define DF_ISNS_DISCOVERED      2       /* Device was discovered via iSNS */
 321#define DF_FO_MASKED            3
 322
 323enum qla4_work_type {
 324        QLA4_EVENT_AEN,
 325        QLA4_EVENT_PING_STATUS,
 326};
 327
 328struct qla4_work_evt {
 329        struct list_head list;
 330        enum qla4_work_type type;
 331        union {
 332                struct {
 333                        enum iscsi_host_event_code code;
 334                        uint32_t data_size;
 335                        uint8_t data[0];
 336                } aen;
 337                struct {
 338                        uint32_t status;
 339                        uint32_t pid;
 340                        uint32_t data_size;
 341                        uint8_t data[0];
 342                } ping;
 343        } u;
 344};
 345
 346struct ql82xx_hw_data {
 347        /* Offsets for flash/nvram access (set to ~0 if not used). */
 348        uint32_t flash_conf_off;
 349        uint32_t flash_data_off;
 350
 351        uint32_t fdt_wrt_disable;
 352        uint32_t fdt_erase_cmd;
 353        uint32_t fdt_block_size;
 354        uint32_t fdt_unprotect_sec_cmd;
 355        uint32_t fdt_protect_sec_cmd;
 356
 357        uint32_t flt_region_flt;
 358        uint32_t flt_region_fdt;
 359        uint32_t flt_region_boot;
 360        uint32_t flt_region_bootload;
 361        uint32_t flt_region_fw;
 362
 363        uint32_t flt_iscsi_param;
 364        uint32_t flt_region_chap;
 365        uint32_t flt_chap_size;
 366};
 367
 368struct qla4_8xxx_legacy_intr_set {
 369        uint32_t int_vec_bit;
 370        uint32_t tgt_status_reg;
 371        uint32_t tgt_mask_reg;
 372        uint32_t pci_int_reg;
 373};
 374
 375/* MSI-X Support */
 376
 377#define QLA_MSIX_DEFAULT        0x00
 378#define QLA_MSIX_RSP_Q          0x01
 379
 380#define QLA_MSIX_ENTRIES        2
 381#define QLA_MIDX_DEFAULT        0
 382#define QLA_MIDX_RSP_Q          1
 383
 384struct ql4_msix_entry {
 385        int have_irq;
 386        uint16_t msix_vector;
 387        uint16_t msix_entry;
 388};
 389
 390/*
 391 * ISP Operations
 392 */
 393struct isp_operations {
 394        int (*iospace_config) (struct scsi_qla_host *ha);
 395        void (*pci_config) (struct scsi_qla_host *);
 396        void (*disable_intrs) (struct scsi_qla_host *);
 397        void (*enable_intrs) (struct scsi_qla_host *);
 398        int (*start_firmware) (struct scsi_qla_host *);
 399        int (*restart_firmware) (struct scsi_qla_host *);
 400        irqreturn_t (*intr_handler) (int , void *);
 401        void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
 402        int (*need_reset) (struct scsi_qla_host *);
 403        int (*reset_chip) (struct scsi_qla_host *);
 404        int (*reset_firmware) (struct scsi_qla_host *);
 405        void (*queue_iocb) (struct scsi_qla_host *);
 406        void (*complete_iocb) (struct scsi_qla_host *);
 407        uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
 408        uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
 409        int (*get_sys_info) (struct scsi_qla_host *);
 410        uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
 411        void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
 412        int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
 413        int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
 414        int (*idc_lock) (struct scsi_qla_host *);
 415        void (*idc_unlock) (struct scsi_qla_host *);
 416        void (*rom_lock_recovery) (struct scsi_qla_host *);
 417        void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
 418        void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
 419};
 420
 421struct ql4_mdump_size_table {
 422        uint32_t size;
 423        uint32_t size_cmask_02;
 424        uint32_t size_cmask_04;
 425        uint32_t size_cmask_08;
 426        uint32_t size_cmask_10;
 427        uint32_t size_cmask_FF;
 428        uint32_t version;
 429};
 430
 431/*qla4xxx ipaddress configuration details */
 432struct ipaddress_config {
 433        uint16_t ipv4_options;
 434        uint16_t tcp_options;
 435        uint16_t ipv4_vlan_tag;
 436        uint8_t ipv4_addr_state;
 437        uint8_t ip_address[IP_ADDR_LEN];
 438        uint8_t subnet_mask[IP_ADDR_LEN];
 439        uint8_t gateway[IP_ADDR_LEN];
 440        uint32_t ipv6_options;
 441        uint32_t ipv6_addl_options;
 442        uint8_t ipv6_link_local_state;
 443        uint8_t ipv6_addr0_state;
 444        uint8_t ipv6_addr1_state;
 445        uint8_t ipv6_default_router_state;
 446        uint16_t ipv6_vlan_tag;
 447        struct in6_addr ipv6_link_local_addr;
 448        struct in6_addr ipv6_addr0;
 449        struct in6_addr ipv6_addr1;
 450        struct in6_addr ipv6_default_router_addr;
 451        uint16_t eth_mtu_size;
 452        uint16_t ipv4_port;
 453        uint16_t ipv6_port;
 454};
 455
 456#define QL4_CHAP_MAX_NAME_LEN 256
 457#define QL4_CHAP_MAX_SECRET_LEN 100
 458#define LOCAL_CHAP      0
 459#define BIDI_CHAP       1
 460
 461struct ql4_chap_format {
 462        u8  intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
 463        u8  intr_secret[QL4_CHAP_MAX_SECRET_LEN];
 464        u8  target_chap_name[QL4_CHAP_MAX_NAME_LEN];
 465        u8  target_secret[QL4_CHAP_MAX_SECRET_LEN];
 466        u16 intr_chap_name_length;
 467        u16 intr_secret_length;
 468        u16 target_chap_name_length;
 469        u16 target_secret_length;
 470};
 471
 472struct ip_address_format {
 473        u8 ip_type;
 474        u8 ip_address[16];
 475};
 476
 477struct  ql4_conn_info {
 478        u16     dest_port;
 479        struct  ip_address_format dest_ipaddr;
 480        struct  ql4_chap_format chap;
 481};
 482
 483struct ql4_boot_session_info {
 484        u8      target_name[224];
 485        struct  ql4_conn_info conn_list[1];
 486};
 487
 488struct ql4_boot_tgt_info {
 489        struct ql4_boot_session_info boot_pri_sess;
 490        struct ql4_boot_session_info boot_sec_sess;
 491};
 492
 493/*
 494 * Linux Host Adapter structure
 495 */
 496struct scsi_qla_host {
 497        /* Linux adapter configuration data */
 498        unsigned long flags;
 499
 500#define AF_ONLINE                       0 /* 0x00000001 */
 501#define AF_INIT_DONE                    1 /* 0x00000002 */
 502#define AF_MBOX_COMMAND                 2 /* 0x00000004 */
 503#define AF_MBOX_COMMAND_DONE            3 /* 0x00000008 */
 504#define AF_INTERRUPTS_ON                6 /* 0x00000040 */
 505#define AF_GET_CRASH_RECORD             7 /* 0x00000080 */
 506#define AF_LINK_UP                      8 /* 0x00000100 */
 507#define AF_LOOPBACK                     9 /* 0x00000200 */
 508#define AF_IRQ_ATTACHED                 10 /* 0x00000400 */
 509#define AF_DISABLE_ACB_COMPLETE         11 /* 0x00000800 */
 510#define AF_HA_REMOVAL                   12 /* 0x00001000 */
 511#define AF_INTx_ENABLED                 15 /* 0x00008000 */
 512#define AF_MSI_ENABLED                  16 /* 0x00010000 */
 513#define AF_MSIX_ENABLED                 17 /* 0x00020000 */
 514#define AF_MBOX_COMMAND_NOPOLL          18 /* 0x00040000 */
 515#define AF_FW_RECOVERY                  19 /* 0x00080000 */
 516#define AF_EEH_BUSY                     20 /* 0x00100000 */
 517#define AF_PCI_CHANNEL_IO_PERM_FAILURE  21 /* 0x00200000 */
 518#define AF_BUILD_DDB_LIST               22 /* 0x00400000 */
 519#define AF_82XX_FW_DUMPED               24 /* 0x01000000 */
 520#define AF_8XXX_RST_OWNER               25 /* 0x02000000 */
 521#define AF_82XX_DUMP_READING            26 /* 0x04000000 */
 522#define AF_83XX_NO_FW_DUMP              27 /* 0x08000000 */
 523#define AF_83XX_IOCB_INTR_ON            28 /* 0x10000000 */
 524#define AF_83XX_MBOX_INTR_ON            29 /* 0x20000000 */
 525
 526        unsigned long dpc_flags;
 527
 528#define DPC_RESET_HA                    1 /* 0x00000002 */
 529#define DPC_RETRY_RESET_HA              2 /* 0x00000004 */
 530#define DPC_RELOGIN_DEVICE              3 /* 0x00000008 */
 531#define DPC_RESET_HA_FW_CONTEXT         4 /* 0x00000010 */
 532#define DPC_RESET_HA_INTR               5 /* 0x00000020 */
 533#define DPC_ISNS_RESTART                7 /* 0x00000080 */
 534#define DPC_AEN                         9 /* 0x00000200 */
 535#define DPC_GET_DHCP_IP_ADDR            15 /* 0x00008000 */
 536#define DPC_LINK_CHANGED                18 /* 0x00040000 */
 537#define DPC_RESET_ACTIVE                20 /* 0x00040000 */
 538#define DPC_HA_UNRECOVERABLE            21 /* 0x00080000 ISP-82xx only*/
 539#define DPC_HA_NEED_QUIESCENT           22 /* 0x00100000 ISP-82xx only*/
 540#define DPC_POST_IDC_ACK                23 /* 0x00200000 */
 541
 542        struct Scsi_Host *host; /* pointer to host data */
 543        uint32_t tot_ddbs;
 544
 545        uint16_t iocb_cnt;
 546        uint16_t iocb_hiwat;
 547
 548        /* SRB cache. */
 549#define SRB_MIN_REQ     128
 550        mempool_t *srb_mempool;
 551
 552        /* pci information */
 553        struct pci_dev *pdev;
 554
 555        struct isp_reg __iomem *reg; /* Base I/O address */
 556        unsigned long pio_address;
 557        unsigned long pio_length;
 558#define MIN_IOBASE_LEN          0x100
 559
 560        uint16_t req_q_count;
 561
 562        unsigned long host_no;
 563
 564        /* NVRAM registers */
 565        struct eeprom_data *nvram;
 566        spinlock_t hardware_lock ____cacheline_aligned;
 567        uint32_t eeprom_cmd_data;
 568
 569        /* Counters for general statistics */
 570        uint64_t isr_count;
 571        uint64_t adapter_error_count;
 572        uint64_t device_error_count;
 573        uint64_t total_io_count;
 574        uint64_t total_mbytes_xferred;
 575        uint64_t link_failure_count;
 576        uint64_t invalid_crc_count;
 577        uint32_t bytes_xfered;
 578        uint32_t spurious_int_count;
 579        uint32_t aborted_io_count;
 580        uint32_t io_timeout_count;
 581        uint32_t mailbox_timeout_count;
 582        uint32_t seconds_since_last_intr;
 583        uint32_t seconds_since_last_heartbeat;
 584        uint32_t mac_index;
 585
 586        /* Info Needed for Management App */
 587        /* --- From GetFwVersion --- */
 588        uint32_t firmware_version[2];
 589        uint32_t patch_number;
 590        uint32_t build_number;
 591        uint32_t board_id;
 592
 593        /* --- From Init_FW --- */
 594        /* init_cb_t *init_cb; */
 595        uint16_t firmware_options;
 596        uint8_t alias[32];
 597        uint8_t name_string[256];
 598        uint8_t heartbeat_interval;
 599
 600        /* --- From FlashSysInfo --- */
 601        uint8_t my_mac[MAC_ADDR_LEN];
 602        uint8_t serial_number[16];
 603        uint16_t port_num;
 604        /* --- From GetFwState --- */
 605        uint32_t firmware_state;
 606        uint32_t addl_fw_state;
 607
 608        /* Linux kernel thread */
 609        struct workqueue_struct *dpc_thread;
 610        struct work_struct dpc_work;
 611
 612        /* Linux timer thread */
 613        struct timer_list timer;
 614        uint32_t timer_active;
 615
 616        /* Recovery Timers */
 617        atomic_t check_relogin_timeouts;
 618        uint32_t retry_reset_ha_cnt;
 619        uint32_t isp_reset_timer;       /* reset test timer */
 620        uint32_t nic_reset_timer;       /* simulated nic reset test timer */
 621        int eh_start;
 622        struct list_head free_srb_q;
 623        uint16_t free_srb_q_count;
 624        uint16_t num_srbs_allocated;
 625
 626        /* DMA Memory Block */
 627        void *queues;
 628        dma_addr_t queues_dma;
 629        unsigned long queues_len;
 630
 631#define MEM_ALIGN_VALUE \
 632            ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
 633             sizeof(struct queue_entry))
 634        /* request and response queue variables */
 635        dma_addr_t request_dma;
 636        struct queue_entry *request_ring;
 637        struct queue_entry *request_ptr;
 638        dma_addr_t response_dma;
 639        struct queue_entry *response_ring;
 640        struct queue_entry *response_ptr;
 641        dma_addr_t shadow_regs_dma;
 642        struct shadow_regs *shadow_regs;
 643        uint16_t request_in;    /* Current indexes. */
 644        uint16_t request_out;
 645        uint16_t response_in;
 646        uint16_t response_out;
 647
 648        /* aen queue variables */
 649        uint16_t aen_q_count;   /* Number of available aen_q entries */
 650        uint16_t aen_in;        /* Current indexes */
 651        uint16_t aen_out;
 652        struct aen aen_q[MAX_AEN_ENTRIES];
 653
 654        struct ql4_aen_log aen_log;/* tracks all aens */
 655
 656        /* This mutex protects several threads to do mailbox commands
 657         * concurrently.
 658         */
 659        struct mutex  mbox_sem;
 660
 661        /* temporary mailbox status registers */
 662        volatile uint8_t mbox_status_count;
 663        volatile uint32_t mbox_status[MBOX_REG_COUNT];
 664
 665        /* FW ddb index map */
 666        struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
 667
 668        /* Saved srb for status continuation entry processing */
 669        struct srb *status_srb;
 670
 671        uint8_t acb_version;
 672
 673        /* qla82xx specific fields */
 674        struct device_reg_82xx  __iomem *qla4_82xx_reg; /* Base I/O address */
 675        unsigned long nx_pcibase;       /* Base I/O address */
 676        uint8_t *nx_db_rd_ptr;          /* Doorbell read pointer */
 677        unsigned long nx_db_wr_ptr;     /* Door bell write pointer */
 678        unsigned long first_page_group_start;
 679        unsigned long first_page_group_end;
 680
 681        uint32_t crb_win;
 682        uint32_t curr_window;
 683        uint32_t ddr_mn_window;
 684        unsigned long mn_win_crb;
 685        unsigned long ms_win_crb;
 686        int qdr_sn_window;
 687        rwlock_t hw_lock;
 688        uint16_t func_num;
 689        int link_width;
 690
 691        struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
 692        u32 nx_crb_mask;
 693
 694        uint8_t revision_id;
 695        uint32_t fw_heartbeat_counter;
 696
 697        struct isp_operations *isp_ops;
 698        struct ql82xx_hw_data hw;
 699
 700        struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];
 701
 702        uint32_t nx_dev_init_timeout;
 703        uint32_t nx_reset_timeout;
 704        void *fw_dump;
 705        uint32_t fw_dump_size;
 706        uint32_t fw_dump_capture_mask;
 707        void *fw_dump_tmplt_hdr;
 708        uint32_t fw_dump_tmplt_size;
 709
 710        struct completion mbx_intr_comp;
 711
 712        struct ipaddress_config ip_config;
 713        struct iscsi_iface *iface_ipv4;
 714        struct iscsi_iface *iface_ipv6_0;
 715        struct iscsi_iface *iface_ipv6_1;
 716
 717        /* --- From About Firmware --- */
 718        uint16_t iscsi_major;
 719        uint16_t iscsi_minor;
 720        uint16_t bootload_major;
 721        uint16_t bootload_minor;
 722        uint16_t bootload_patch;
 723        uint16_t bootload_build;
 724        uint16_t def_timeout; /* Default login timeout */
 725
 726        uint32_t flash_state;
 727#define QLFLASH_WAITING         0
 728#define QLFLASH_READING         1
 729#define QLFLASH_WRITING         2
 730        struct dma_pool *chap_dma_pool;
 731        uint8_t *chap_list; /* CHAP table cache */
 732        struct mutex  chap_sem;
 733
 734#define CHAP_DMA_BLOCK_SIZE    512
 735        struct workqueue_struct *task_wq;
 736        unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
 737#define SYSFS_FLAG_FW_SEL_BOOT 2
 738        struct iscsi_boot_kset *boot_kset;
 739        struct ql4_boot_tgt_info boot_tgt;
 740        uint16_t phy_port_num;
 741        uint16_t phy_port_cnt;
 742        uint16_t iscsi_pci_func_cnt;
 743        uint8_t model_name[16];
 744        struct completion disable_acb_comp;
 745        struct dma_pool *fw_ddb_dma_pool;
 746#define DDB_DMA_BLOCK_SIZE 512
 747        uint16_t pri_ddb_idx;
 748        uint16_t sec_ddb_idx;
 749        int is_reset;
 750        uint16_t temperature;
 751
 752        /* event work list */
 753        struct list_head work_list;
 754        spinlock_t work_lock;
 755
 756        /* mbox iocb */
 757#define MAX_MRB         128
 758        struct mrb *active_mrb_array[MAX_MRB];
 759        uint32_t mrb_index;
 760
 761        uint32_t *reg_tbl;
 762        struct qla4_83xx_reset_template reset_tmplt;
 763        struct device_reg_83xx  __iomem *qla4_83xx_reg; /* Base I/O address
 764                                                           for ISP8324 */
 765        uint32_t pf_bit;
 766        struct qla4_83xx_idc_information idc_info;
 767};
 768
 769struct ql4_task_data {
 770        struct scsi_qla_host *ha;
 771        uint8_t iocb_req_cnt;
 772        dma_addr_t data_dma;
 773        void *req_buffer;
 774        dma_addr_t req_dma;
 775        uint32_t req_len;
 776        void *resp_buffer;
 777        dma_addr_t resp_dma;
 778        uint32_t resp_len;
 779        struct iscsi_task *task;
 780        struct passthru_status sts;
 781        struct work_struct task_work;
 782};
 783
 784struct qla_endpoint {
 785        struct Scsi_Host *host;
 786        struct sockaddr_storage dst_addr;
 787};
 788
 789struct qla_conn {
 790        struct qla_endpoint *qla_ep;
 791};
 792
 793static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
 794{
 795        return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
 796}
 797
 798static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
 799{
 800        return ((ha->ip_config.ipv6_options &
 801                IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
 802}
 803
 804static inline int is_qla4010(struct scsi_qla_host *ha)
 805{
 806        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
 807}
 808
 809static inline int is_qla4022(struct scsi_qla_host *ha)
 810{
 811        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
 812}
 813
 814static inline int is_qla4032(struct scsi_qla_host *ha)
 815{
 816        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
 817}
 818
 819static inline int is_qla40XX(struct scsi_qla_host *ha)
 820{
 821        return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
 822}
 823
 824static inline int is_qla8022(struct scsi_qla_host *ha)
 825{
 826        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
 827}
 828
 829static inline int is_qla8032(struct scsi_qla_host *ha)
 830{
 831        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
 832}
 833
 834static inline int is_qla80XX(struct scsi_qla_host *ha)
 835{
 836        return is_qla8022(ha) || is_qla8032(ha);
 837}
 838
 839static inline int is_aer_supported(struct scsi_qla_host *ha)
 840{
 841        return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
 842                (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324));
 843}
 844
 845static inline int adapter_up(struct scsi_qla_host *ha)
 846{
 847        return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
 848               (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
 849               (!test_bit(AF_LOOPBACK, &ha->flags));
 850}
 851
 852static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
 853{
 854        return (struct scsi_qla_host *)iscsi_host_priv(shost);
 855}
 856
 857static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
 858{
 859        return (is_qla4010(ha) ?
 860                &ha->reg->u1.isp4010.nvram :
 861                &ha->reg->u1.isp4022.semaphore);
 862}
 863
 864static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
 865{
 866        return (is_qla4010(ha) ?
 867                &ha->reg->u1.isp4010.nvram :
 868                &ha->reg->u1.isp4022.nvram);
 869}
 870
 871static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
 872{
 873        return (is_qla4010(ha) ?
 874                &ha->reg->u2.isp4010.ext_hw_conf :
 875                &ha->reg->u2.isp4022.p0.ext_hw_conf);
 876}
 877
 878static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
 879{
 880        return (is_qla4010(ha) ?
 881                &ha->reg->u2.isp4010.port_status :
 882                &ha->reg->u2.isp4022.p0.port_status);
 883}
 884
 885static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
 886{
 887        return (is_qla4010(ha) ?
 888                &ha->reg->u2.isp4010.port_ctrl :
 889                &ha->reg->u2.isp4022.p0.port_ctrl);
 890}
 891
 892static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
 893{
 894        return (is_qla4010(ha) ?
 895                &ha->reg->u2.isp4010.port_err_status :
 896                &ha->reg->u2.isp4022.p0.port_err_status);
 897}
 898
 899static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
 900{
 901        return (is_qla4010(ha) ?
 902                &ha->reg->u2.isp4010.gp_out :
 903                &ha->reg->u2.isp4022.p0.gp_out);
 904}
 905
 906static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
 907{
 908        return (is_qla4010(ha) ?
 909                offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
 910                offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
 911}
 912
 913int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
 914void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
 915int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
 916
 917static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
 918{
 919        if (is_qla4010(a))
 920                return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
 921                                           QL4010_FLASH_SEM_BITS);
 922        else
 923                return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
 924                                           (QL4022_RESOURCE_BITS_BASE_CODE |
 925                                            (a->mac_index)) << 13);
 926}
 927
 928static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
 929{
 930        if (is_qla4010(a))
 931                ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
 932        else
 933                ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
 934}
 935
 936static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
 937{
 938        if (is_qla4010(a))
 939                return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
 940                                           QL4010_NVRAM_SEM_BITS);
 941        else
 942                return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
 943                                           (QL4022_RESOURCE_BITS_BASE_CODE |
 944                                            (a->mac_index)) << 10);
 945}
 946
 947static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
 948{
 949        if (is_qla4010(a))
 950                ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
 951        else
 952                ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
 953}
 954
 955static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
 956{
 957        if (is_qla4010(a))
 958                return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
 959                                       QL4010_DRVR_SEM_BITS);
 960        else
 961                return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
 962                                       (QL4022_RESOURCE_BITS_BASE_CODE |
 963                                        (a->mac_index)) << 1);
 964}
 965
 966static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
 967{
 968        if (is_qla4010(a))
 969                ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
 970        else
 971                ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
 972}
 973
 974static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
 975{
 976        return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
 977               test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
 978               test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
 979               test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
 980               test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
 981               test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
 982
 983}
 984
 985static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
 986                                      const uint32_t crb_reg)
 987{
 988        return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
 989}
 990
 991static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
 992                                       const uint32_t crb_reg,
 993                                       const uint32_t value)
 994{
 995        ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
 996}
 997
 998/*---------------------------------------------------------------------------*/
 999
1000/* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
1001
1002#define INIT_ADAPTER    0
1003#define RESET_ADAPTER   1
1004
1005#define PRESERVE_DDB_LIST       0
1006#define REBUILD_DDB_LIST        1
1007
1008/* Defines for process_aen() */
1009#define PROCESS_ALL_AENS         0
1010#define FLUSH_DDB_CHANGED_AENS   1
1011
1012/* Defines for udev events */
1013#define QL4_UEVENT_CODE_FW_DUMP         0
1014
1015#endif  /*_QLA4XXX_H */
1016