drivers/scsi/qla4xxx/ql4_def.h

   1 /*
   2  * QLogic iSCSI HBA Driver
   3  * Copyright (c)  2003-2010 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
  29 #include <net/tcp.h>
  30 #include <scsi/scsi.h>
  31 #include <scsi/scsi_host.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi_cmnd.h>
  34 #include <scsi/scsi_transport.h>
  35 #include <scsi/scsi_transport_iscsi.h>
  36
  37 #include "ql4_dbg.h"
  38 #include "ql4_nx.h"
  39
  40 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
  41 #define PCI_DEVICE_ID_QLOGIC_ISP4010    0x4010
  42 #endif
  43
  44 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
  45 #define PCI_DEVICE_ID_QLOGIC_ISP4022    0x4022
  46 #endif
  47
  48 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
  49 #define PCI_DEVICE_ID_QLOGIC_ISP4032    0x4032
  50 #endif
  51
  52 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
  53 #define PCI_DEVICE_ID_QLOGIC_ISP8022    0x8022
  54 #endif
  55
  56 #define ISP4XXX_PCI_FN_1        0x1
  57 #define ISP4XXX_PCI_FN_2        0x3
  58
  59 #define QLA_SUCCESS                     0
  60 #define QLA_ERROR                       1
  61
  62 /*
  63  * Data bit definitions
  64  */
  65 #define BIT_0   0x1
  66 #define BIT_1   0x2
  67 #define BIT_2   0x4
  68 #define BIT_3   0x8
  69 #define BIT_4   0x10
  70 #define BIT_5   0x20
  71 #define BIT_6   0x40
  72 #define BIT_7   0x80
  73 #define BIT_8   0x100
  74 #define BIT_9   0x200
  75 #define BIT_10  0x400
  76 #define BIT_11  0x800
  77 #define BIT_12  0x1000
  78 #define BIT_13  0x2000
  79 #define BIT_14  0x4000
  80 #define BIT_15  0x8000
  81 #define BIT_16  0x10000
  82 #define BIT_17  0x20000
  83 #define BIT_18  0x40000
  84 #define BIT_19  0x80000
  85 #define BIT_20  0x100000
  86 #define BIT_21  0x200000
  87 #define BIT_22  0x400000
  88 #define BIT_23  0x800000
  89 #define BIT_24  0x1000000
  90 #define BIT_25  0x2000000
  91 #define BIT_26  0x4000000
  92 #define BIT_27  0x8000000
  93 #define BIT_28  0x10000000
  94 #define BIT_29  0x20000000
  95 #define BIT_30  0x40000000
  96 #define BIT_31  0x80000000
  97
  98 /**
  99  * Macros to help code, maintain, etc.
 100  **/
 101 #define ql4_printk(level, ha, format, arg...) \
 102         dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
 103
 104
 105 /*
 106  * Host adapter default definitions
 107  ***********************************/
 108 #define MAX_HBAS                16
 109 #define MAX_BUSES               1
 110 #define MAX_TARGETS             MAX_DEV_DB_ENTRIES
 111 #define MAX_LUNS                0xffff
 112 #define MAX_AEN_ENTRIES         256 /* should be > EXT_DEF_MAX_AEN_QUEUE */
 113 #define MAX_DDB_ENTRIES         MAX_DEV_DB_ENTRIES
 114 #define MAX_PDU_ENTRIES         32
 115 #define INVALID_ENTRY           0xFFFF
 116 #define MAX_CMDS_TO_RISC        1024
 117 #define MAX_SRBS                MAX_CMDS_TO_RISC
 118 #define MBOX_AEN_REG_COUNT      5
 119 #define MAX_INIT_RETRIES        5
 120
 121 /*
 122  * Buffer sizes
 123  */
 124 #define REQUEST_QUEUE_DEPTH             MAX_CMDS_TO_RISC
 125 #define RESPONSE_QUEUE_DEPTH            64
 126 #define QUEUE_SIZE                      64
 127 #define DMA_BUFFER_SIZE                 512
 128
 129 /*
 130  * Misc
 131  */
 132 #define MAC_ADDR_LEN                    6       /* in bytes */
 133 #define IP_ADDR_LEN                     4       /* in bytes */
 134 #define IPv6_ADDR_LEN                   16      /* IPv6 address size */
 135 #define DRIVER_NAME                     "qla4xxx"
 136
 137 #define MAX_LINKED_CMDS_PER_LUN         3
 138 #define MAX_REQS_SERVICED_PER_INTR      1
 139
 140 #define ISCSI_IPADDR_SIZE               4       /* IP address size */
 141 #define ISCSI_ALIAS_SIZE                32      /* ISCSI Alias name size */
 142 #define ISCSI_NAME_SIZE                 0xE0    /* ISCSI Name size */
 143
 144 #define QL4_SESS_RECOVERY_TMO           30      /* iSCSI session */
 145                                                 /* recovery timeout */
 146
 147 #define LSDW(x) ((u32)((u64)(x)))
 148 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
 149
 150 /*
 151  * Retry & Timeout Values
 152  */
 153 #define MBOX_TOV                        60
 154 #define SOFT_RESET_TOV                  30
 155 #define RESET_INTR_TOV                  3
 156 #define SEMAPHORE_TOV                   10
 157 #define ADAPTER_INIT_TOV                30
 158 #define ADAPTER_RESET_TOV               180
 159 #define EXTEND_CMD_TOV                  60
 160 #define WAIT_CMD_TOV                    30
 161 #define EH_WAIT_CMD_TOV                 120
 162 #define FIRMWARE_UP_TOV                 60
 163 #define RESET_FIRMWARE_TOV              30
 164 #define LOGOUT_TOV                      10
 165 #define IOCB_TOV_MARGIN                 10
 166 #define RELOGIN_TOV                     18
 167 #define ISNS_DEREG_TOV                  5
 168 #define HBA_ONLINE_TOV                  30
 169
 170 #define MAX_RESET_HA_RETRIES            2
 171
 172 #define CMD_SP(Cmnd)                    ((Cmnd)->SCp.ptr)
 173
 174 /*
 175  * SCSI Request Block structure  (srb)  that is placed
 176  * on cmd->SCp location of every I/O     [We have 22 bytes available]
 177  */
 178 struct srb {
 179         struct list_head list;  /* (8)   */
 180         struct scsi_qla_host *ha;       /* HA the SP is queued on */
 181         struct ddb_entry *ddb;
 182         uint16_t flags;         /* (1) Status flags. */
 183
 184 #define SRB_DMA_VALID           BIT_3   /* DMA Buffer mapped. */
 185 #define SRB_GOT_SENSE           BIT_4   /* sense data recieved. */
 186         uint8_t state;          /* (1) Status flags. */
 187
 188 #define SRB_NO_QUEUE_STATE       0      /* Request is in between states */
 189 #define SRB_FREE_STATE           1
 190 #define SRB_ACTIVE_STATE         3
 191 #define SRB_ACTIVE_TIMEOUT_STATE 4
 192 #define SRB_SUSPENDED_STATE      7      /* Request in suspended state */
 193
 194         struct scsi_cmnd *cmd;  /* (4) SCSI command block */
 195         dma_addr_t dma_handle;  /* (4) for unmap of single transfers */
 196         struct kref srb_ref;    /* reference count for this srb */
 197         uint8_t err_id;         /* error id */
 198 #define SRB_ERR_PORT       1    /* Request failed because "port down" */
 199 #define SRB_ERR_LOOP       2    /* Request failed because "loop down" */
 200 #define SRB_ERR_DEVICE     3    /* Request failed because "device error" */
 201 #define SRB_ERR_OTHER      4
 202
 203         uint16_t reserved;
 204         uint16_t iocb_tov;
 205         uint16_t iocb_cnt;      /* Number of used iocbs */
 206         uint16_t cc_stat;
 207
 208         /* Used for extended sense / status continuation */
 209         uint8_t *req_sense_ptr;
 210         uint16_t req_sense_len;
 211         uint16_t reserved2;
 212 };
 213
 214 /*
 215  * Asynchronous Event Queue structure
 216  */
 217 struct aen {
 218         uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
 219 };
 220
 221 struct ql4_aen_log {
 222         int count;
 223         struct aen entry[MAX_AEN_ENTRIES];
 224 };
 225
 226 /*
 227  * Device Database (DDB) structure
 228  */
 229 struct ddb_entry {
 230         struct list_head list;  /* ddb list */
 231         struct scsi_qla_host *ha;
 232         struct iscsi_cls_session *sess;
 233         struct iscsi_cls_conn *conn;
 234
 235         atomic_t state;         /* DDB State */
 236
 237         unsigned long flags;    /* DDB Flags */
 238
 239         uint16_t fw_ddb_index;  /* DDB firmware index */
 240         uint16_t options;
 241         uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
 242
 243         uint32_t CmdSn;
 244         uint16_t target_session_id;
 245         uint16_t connection_id;
 246         uint16_t exe_throttle;  /* Max mumber of cmds outstanding
 247                                  * simultaneously */
 248         uint16_t task_mgmt_timeout; /* Min time for task mgmt cmds to
 249                                      * complete */
 250         uint16_t default_relogin_timeout; /*  Max time to wait for
 251                                            *  relogin to complete */
 252         uint16_t tcp_source_port_num;
 253         uint32_t default_time2wait; /* Default Min time between
 254                                      * relogins (+aens) */
 255
 256         atomic_t retry_relogin_timer; /* Min Time between relogins
 257                                        * (4000 only) */
 258         atomic_t relogin_timer; /* Max Time to wait for relogin to complete */
 259         atomic_t relogin_retry_count; /* Num of times relogin has been
 260                                        * retried */
 261
 262         uint16_t port;
 263         uint32_t tpgt;
 264         uint8_t ip_addr[IP_ADDR_LEN];
 265         uint8_t iscsi_name[ISCSI_NAME_SIZE];    /* 72 x48 */
 266         uint8_t iscsi_alias[0x20];
 267         uint8_t isid[6];
 268         uint16_t iscsi_max_burst_len;
 269         uint16_t iscsi_max_outsnd_r2t;
 270         uint16_t iscsi_first_burst_len;
 271         uint16_t iscsi_max_rcv_data_seg_len;
 272         uint16_t iscsi_max_snd_data_seg_len;
 273
 274         struct in6_addr remote_ipv6_addr;
 275         struct in6_addr link_local_ipv6_addr;
 276 };
 277
 278 /*
 279  * DDB states.
 280  */
 281 #define DDB_STATE_DEAD          0       /* We can no longer talk to
 282                                          * this device */
 283 #define DDB_STATE_ONLINE        1       /* Device ready to accept
 284                                          * commands */
 285 #define DDB_STATE_MISSING       2       /* Device logged off, trying
 286                                          * to re-login */
 287
 288 /*
 289  * DDB flags.
 290  */
 291 #define DF_RELOGIN              0       /* Relogin to device */
 292 #define DF_ISNS_DISCOVERED      2       /* Device was discovered via iSNS */
 293 #define DF_FO_MASKED            3
 294
 295
 296 #include "ql4_fw.h"
 297 #include "ql4_nvram.h"
 298
 299 struct ql82xx_hw_data {
 300         /* Offsets for flash/nvram access (set to ~0 if not used). */
 301         uint32_t flash_conf_off;
 302         uint32_t flash_data_off;
 303
 304         uint32_t fdt_wrt_disable;
 305         uint32_t fdt_erase_cmd;
 306         uint32_t fdt_block_size;
 307         uint32_t fdt_unprotect_sec_cmd;
 308         uint32_t fdt_protect_sec_cmd;
 309
 310         uint32_t flt_region_flt;
 311         uint32_t flt_region_fdt;
 312         uint32_t flt_region_boot;
 313         uint32_t flt_region_bootload;
 314         uint32_t flt_region_fw;
 315         uint32_t reserved;
 316 };
 317
 318 struct qla4_8xxx_legacy_intr_set {
 319         uint32_t int_vec_bit;
 320         uint32_t tgt_status_reg;
 321         uint32_t tgt_mask_reg;
 322         uint32_t pci_int_reg;
 323 };
 324
 325 /* MSI-X Support */
 326
 327 #define QLA_MSIX_DEFAULT        0x00
 328 #define QLA_MSIX_RSP_Q          0x01
 329
 330 #define QLA_MSIX_ENTRIES        2
 331 #define QLA_MIDX_DEFAULT        0
 332 #define QLA_MIDX_RSP_Q          1
 333
 334 struct ql4_msix_entry {
 335         int have_irq;
 336         uint16_t msix_vector;
 337         uint16_t msix_entry;
 338 };
 339
 340 /*
 341  * ISP Operations
 342  */
 343 struct isp_operations {
 344         int (*iospace_config) (struct scsi_qla_host *ha);
 345         void (*pci_config) (struct scsi_qla_host *);
 346         void (*disable_intrs) (struct scsi_qla_host *);
 347         void (*enable_intrs) (struct scsi_qla_host *);
 348         int (*start_firmware) (struct scsi_qla_host *);
 349         irqreturn_t (*intr_handler) (int , void *);
 350         void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
 351         int (*reset_chip) (struct scsi_qla_host *);
 352         int (*reset_firmware) (struct scsi_qla_host *);
 353         void (*queue_iocb) (struct scsi_qla_host *);
 354         void (*complete_iocb) (struct scsi_qla_host *);
 355         uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
 356         uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
 357         int (*get_sys_info) (struct scsi_qla_host *);
 358 };
 359
 360 /*
 361  * Linux Host Adapter structure
 362  */
 363 struct scsi_qla_host {
 364         /* Linux adapter configuration data */
 365         unsigned long flags;
 366
 367 #define AF_ONLINE                       0 /* 0x00000001 */
 368 #define AF_INIT_DONE                    1 /* 0x00000002 */
 369 #define AF_MBOX_COMMAND                 2 /* 0x00000004 */
 370 #define AF_MBOX_COMMAND_DONE            3 /* 0x00000008 */
 371 #define AF_DPC_SCHEDULED                5 /* 0x00000020 */
 372 #define AF_INTERRUPTS_ON                6 /* 0x00000040 */
 373 #define AF_GET_CRASH_RECORD             7 /* 0x00000080 */
 374 #define AF_LINK_UP                      8 /* 0x00000100 */
 375 #define AF_IRQ_ATTACHED                 10 /* 0x00000400 */
 376 #define AF_DISABLE_ACB_COMPLETE         11 /* 0x00000800 */
 377 #define AF_HA_REMOVAL                   12 /* 0x00001000 */
 378 #define AF_INTx_ENABLED                 15 /* 0x00008000 */
 379 #define AF_MSI_ENABLED                  16 /* 0x00010000 */
 380 #define AF_MSIX_ENABLED                 17 /* 0x00020000 */
 381 #define AF_MBOX_COMMAND_NOPOLL          18 /* 0x00040000 */
 382 #define AF_FW_RECOVERY                  19 /* 0x00080000 */
 383 #define AF_EEH_BUSY                     20 /* 0x00100000 */
 384 #define AF_PCI_CHANNEL_IO_PERM_FAILURE  21 /* 0x00200000 */
 385
 386         unsigned long dpc_flags;
 387
 388 #define DPC_RESET_HA                    1 /* 0x00000002 */
 389 #define DPC_RETRY_RESET_HA              2 /* 0x00000004 */
 390 #define DPC_RELOGIN_DEVICE              3 /* 0x00000008 */
 391 #define DPC_RESET_HA_FW_CONTEXT         4 /* 0x00000010 */
 392 #define DPC_RESET_HA_INTR               5 /* 0x00000020 */
 393 #define DPC_ISNS_RESTART                7 /* 0x00000080 */
 394 #define DPC_AEN                         9 /* 0x00000200 */
 395 #define DPC_GET_DHCP_IP_ADDR            15 /* 0x00008000 */
 396 #define DPC_LINK_CHANGED                18 /* 0x00040000 */
 397 #define DPC_RESET_ACTIVE                20 /* 0x00040000 */
 398 #define DPC_HA_UNRECOVERABLE            21 /* 0x00080000 ISP-82xx only*/
 399 #define DPC_HA_NEED_QUIESCENT           22 /* 0x00100000 ISP-82xx only*/
 400
 401
 402         struct Scsi_Host *host; /* pointer to host data */
 403         uint32_t tot_ddbs;
 404
 405         uint16_t iocb_cnt;
 406
 407         /* SRB cache. */
 408 #define SRB_MIN_REQ     128
 409         mempool_t *srb_mempool;
 410
 411         /* pci information */
 412         struct pci_dev *pdev;
 413
 414         struct isp_reg __iomem *reg; /* Base I/O address */
 415         unsigned long pio_address;
 416         unsigned long pio_length;
 417 #define MIN_IOBASE_LEN          0x100
 418
 419         uint16_t req_q_count;
 420
 421         unsigned long host_no;
 422
 423         /* NVRAM registers */
 424         struct eeprom_data *nvram;
 425         spinlock_t hardware_lock ____cacheline_aligned;
 426         uint32_t eeprom_cmd_data;
 427
 428         /* Counters for general statistics */
 429         uint64_t isr_count;
 430         uint64_t adapter_error_count;
 431         uint64_t device_error_count;
 432         uint64_t total_io_count;
 433         uint64_t total_mbytes_xferred;
 434         uint64_t link_failure_count;
 435         uint64_t invalid_crc_count;
 436         uint32_t bytes_xfered;
 437         uint32_t spurious_int_count;
 438         uint32_t aborted_io_count;
 439         uint32_t io_timeout_count;
 440         uint32_t mailbox_timeout_count;
 441         uint32_t seconds_since_last_intr;
 442         uint32_t seconds_since_last_heartbeat;
 443         uint32_t mac_index;
 444
 445         /* Info Needed for Management App */
 446         /* --- From GetFwVersion --- */
 447         uint32_t firmware_version[2];
 448         uint32_t patch_number;
 449         uint32_t build_number;
 450         uint32_t board_id;
 451
 452         /* --- From Init_FW --- */
 453         /* init_cb_t *init_cb; */
 454         uint16_t firmware_options;
 455         uint16_t tcp_options;
 456         uint8_t ip_address[IP_ADDR_LEN];
 457         uint8_t subnet_mask[IP_ADDR_LEN];
 458         uint8_t gateway[IP_ADDR_LEN];
 459         uint8_t alias[32];
 460         uint8_t name_string[256];
 461         uint8_t heartbeat_interval;
 462
 463         /* --- From FlashSysInfo --- */
 464         uint8_t my_mac[MAC_ADDR_LEN];
 465         uint8_t serial_number[16];
 466
 467         /* --- From GetFwState --- */
 468         uint32_t firmware_state;
 469         uint32_t addl_fw_state;
 470
 471         /* Linux kernel thread */
 472         struct workqueue_struct *dpc_thread;
 473         struct work_struct dpc_work;
 474
 475         /* Linux timer thread */
 476         struct timer_list timer;
 477         uint32_t timer_active;
 478
 479         /* Recovery Timers */
 480         atomic_t check_relogin_timeouts;
 481         uint32_t retry_reset_ha_cnt;
 482         uint32_t isp_reset_timer;       /* reset test timer */
 483         uint32_t nic_reset_timer;       /* simulated nic reset test timer */
 484         int eh_start;
 485         struct list_head free_srb_q;
 486         uint16_t free_srb_q_count;
 487         uint16_t num_srbs_allocated;
 488
 489         /* DMA Memory Block */
 490         void *queues;
 491         dma_addr_t queues_dma;
 492         unsigned long queues_len;
 493
 494 #define MEM_ALIGN_VALUE \
 495             ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
 496              sizeof(struct queue_entry))
 497         /* request and response queue variables */
 498         dma_addr_t request_dma;
 499         struct queue_entry *request_ring;
 500         struct queue_entry *request_ptr;
 501         dma_addr_t response_dma;
 502         struct queue_entry *response_ring;
 503         struct queue_entry *response_ptr;
 504         dma_addr_t shadow_regs_dma;
 505         struct shadow_regs *shadow_regs;
 506         uint16_t request_in;    /* Current indexes. */
 507         uint16_t request_out;
 508         uint16_t response_in;
 509         uint16_t response_out;
 510
 511         /* aen queue variables */
 512         uint16_t aen_q_count;   /* Number of available aen_q entries */
 513         uint16_t aen_in;        /* Current indexes */
 514         uint16_t aen_out;
 515         struct aen aen_q[MAX_AEN_ENTRIES];
 516
 517         struct ql4_aen_log aen_log;/* tracks all aens */
 518
 519         /* This mutex protects several threads to do mailbox commands
 520          * concurrently.
 521          */
 522         struct mutex  mbox_sem;
 523
 524         /* temporary mailbox status registers */
 525         volatile uint8_t mbox_status_count;
 526         volatile uint32_t mbox_status[MBOX_REG_COUNT];
 527
 528         /* local device database list (contains internal ddb entries) */
 529         struct list_head ddb_list;
 530
 531         /* Map ddb_list entry by FW ddb index */
 532         struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
 533
 534         /* Saved srb for status continuation entry processing */
 535         struct srb *status_srb;
 536
 537         /* IPv6 support info from InitFW */
 538         uint8_t acb_version;
 539         uint8_t ipv4_addr_state;
 540         uint16_t ipv4_options;
 541
 542         uint32_t resvd2;
 543         uint32_t ipv6_options;
 544         uint32_t ipv6_addl_options;
 545         uint8_t ipv6_link_local_state;
 546         uint8_t ipv6_addr0_state;
 547         uint8_t ipv6_addr1_state;
 548         uint8_t ipv6_default_router_state;
 549         struct in6_addr ipv6_link_local_addr;
 550         struct in6_addr ipv6_addr0;
 551         struct in6_addr ipv6_addr1;
 552         struct in6_addr ipv6_default_router_addr;
 553
 554         /* qla82xx specific fields */
 555         struct device_reg_82xx  __iomem *qla4_8xxx_reg; /* Base I/O address */
 556         unsigned long nx_pcibase;       /* Base I/O address */
 557         uint8_t *nx_db_rd_ptr;          /* Doorbell read pointer */
 558         unsigned long nx_db_wr_ptr;     /* Door bell write pointer */
 559         unsigned long first_page_group_start;
 560         unsigned long first_page_group_end;
 561
 562         uint32_t crb_win;
 563         uint32_t curr_window;
 564         uint32_t ddr_mn_window;
 565         unsigned long mn_win_crb;
 566         unsigned long ms_win_crb;
 567         int qdr_sn_window;
 568         rwlock_t hw_lock;
 569         uint16_t func_num;
 570         int link_width;
 571
 572         struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
 573         u32 nx_crb_mask;
 574
 575         uint8_t revision_id;
 576         uint32_t fw_heartbeat_counter;
 577
 578         struct isp_operations *isp_ops;
 579         struct ql82xx_hw_data hw;
 580
 581         struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];
 582
 583         uint32_t nx_dev_init_timeout;
 584         uint32_t nx_reset_timeout;
 585
 586         struct completion mbx_intr_comp;
 587 };
 588
 589 static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
 590 {
 591         return ((ha->ipv4_options & IPOPT_IPv4_PROTOCOL_ENABLE) != 0);
 592 }
 593
 594 static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
 595 {
 596         return ((ha->ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
 597 }
 598
 599 static inline int is_qla4010(struct scsi_qla_host *ha)
 600 {
 601         return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
 602 }
 603
 604 static inline int is_qla4022(struct scsi_qla_host *ha)
 605 {
 606         return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
 607 }
 608
 609 static inline int is_qla4032(struct scsi_qla_host *ha)
 610 {
 611         return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
 612 }
 613
 614 static inline int is_qla8022(struct scsi_qla_host *ha)
 615 {
 616         return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
 617 }
 618
 619 /* Note: Currently AER/EEH is now supported only for 8022 cards
 620  * This function needs to be updated when AER/EEH is enabled
 621  * for other cards.
 622  */
 623 static inline int is_aer_supported(struct scsi_qla_host *ha)
 624 {
 625         return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
 626 }
 627
 628 static inline int adapter_up(struct scsi_qla_host *ha)
 629 {
 630         return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
 631                 (test_bit(AF_LINK_UP, &ha->flags) != 0);
 632 }
 633
 634 static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
 635 {
 636         return (struct scsi_qla_host *)shost->hostdata;
 637 }
 638
 639 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
 640 {
 641         return (is_qla4010(ha) ?
 642                 &ha->reg->u1.isp4010.nvram :
 643                 &ha->reg->u1.isp4022.semaphore);
 644 }
 645
 646 static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
 647 {
 648         return (is_qla4010(ha) ?
 649                 &ha->reg->u1.isp4010.nvram :
 650                 &ha->reg->u1.isp4022.nvram);
 651 }
 652
 653 static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
 654 {
 655         return (is_qla4010(ha) ?
 656                 &ha->reg->u2.isp4010.ext_hw_conf :
 657                 &ha->reg->u2.isp4022.p0.ext_hw_conf);
 658 }
 659
 660 static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
 661 {
 662         return (is_qla4010(ha) ?
 663                 &ha->reg->u2.isp4010.port_status :
 664                 &ha->reg->u2.isp4022.p0.port_status);
 665 }
 666
 667 static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
 668 {
 669         return (is_qla4010(ha) ?
 670                 &ha->reg->u2.isp4010.port_ctrl :
 671                 &ha->reg->u2.isp4022.p0.port_ctrl);
 672 }
 673
 674 static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
 675 {
 676         return (is_qla4010(ha) ?
 677                 &ha->reg->u2.isp4010.port_err_status :
 678                 &ha->reg->u2.isp4022.p0.port_err_status);
 679 }
 680
 681 static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
 682 {
 683         return (is_qla4010(ha) ?
 684                 &ha->reg->u2.isp4010.gp_out :
 685                 &ha->reg->u2.isp4022.p0.gp_out);
 686 }
 687
 688 static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
 689 {
 690         return (is_qla4010(ha) ?
 691                 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
 692                 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
 693 }
 694
 695 int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
 696 void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
 697 int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
 698
 699 static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
 700 {
 701         if (is_qla4010(a))
 702                 return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
 703                                            QL4010_FLASH_SEM_BITS);
 704         else
 705                 return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
 706                                            (QL4022_RESOURCE_BITS_BASE_CODE |
 707                                             (a->mac_index)) << 13);
 708 }
 709
 710 static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
 711 {
 712         if (is_qla4010(a))
 713                 ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
 714         else
 715                 ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
 716 }
 717
 718 static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
 719 {
 720         if (is_qla4010(a))
 721                 return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
 722                                            QL4010_NVRAM_SEM_BITS);
 723         else
 724                 return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
 725                                            (QL4022_RESOURCE_BITS_BASE_CODE |
 726                                             (a->mac_index)) << 10);
 727 }
 728
 729 static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
 730 {
 731         if (is_qla4010(a))
 732                 ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
 733         else
 734                 ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
 735 }
 736
 737 static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
 738 {
 739         if (is_qla4010(a))
 740                 return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
 741                                        QL4010_DRVR_SEM_BITS);
 742         else
 743                 return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
 744                                        (QL4022_RESOURCE_BITS_BASE_CODE |
 745                                         (a->mac_index)) << 1);
 746 }
 747
 748 static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
 749 {
 750         if (is_qla4010(a))
 751                 ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
 752         else
 753                 ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
 754 }
 755
 756 /*---------------------------------------------------------------------------*/
 757
 758 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
 759 #define PRESERVE_DDB_LIST       0
 760 #define REBUILD_DDB_LIST        1
 761
 762 /* Defines for process_aen() */
 763 #define PROCESS_ALL_AENS         0
 764 #define FLUSH_DDB_CHANGED_AENS   1
 765
 766 #endif  /*_QLA4XXX_H */