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linuxdebug/drivers/scsi/myrs.h

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null pointer error
2024-07-16 15:50:57 +02:00
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Linux Driver for Mylex DAC960/AcceleRAID/eXtremeRAID PCI RAID Controllers
*
* This driver supports the newer, SCSI-based firmware interface only.
*
* Copyright 2018 Hannes Reinecke, SUSE Linux GmbH <hare@suse.com>
*
* Based on the original DAC960 driver, which has
* Copyright 1998-2001 by Leonard N. Zubkoff <lnz@dandelion.com>
* Portions Copyright 2002 by Mylex (An IBM Business Unit)
*/
#ifndef _MYRS_H
#define _MYRS_H
#define MYRS_MAILBOX_TIMEOUT 1000000
#define MYRS_DCMD_TAG 1
#define MYRS_MCMD_TAG 2
#define MYRS_LINE_BUFFER_SIZE 128
#define MYRS_PRIMARY_MONITOR_INTERVAL (10 * HZ)
#define MYRS_SECONDARY_MONITOR_INTERVAL (60 * HZ)
/* Maximum number of Scatter/Gather Segments supported */
#define MYRS_SG_LIMIT 128
/*
* Number of Command and Status Mailboxes used by the
* DAC960 V2 Firmware Memory Mailbox Interface.
*/
#define MYRS_MAX_CMD_MBOX 512
#define MYRS_MAX_STAT_MBOX 512
#define MYRS_DCDB_SIZE 16
#define MYRS_SENSE_SIZE 14
/*
* DAC960 V2 Firmware Command Opcodes.
*/
enum myrs_cmd_opcode {
MYRS_CMD_OP_MEMCOPY = 0x01,
MYRS_CMD_OP_SCSI_10_PASSTHRU = 0x02,
MYRS_CMD_OP_SCSI_255_PASSTHRU = 0x03,
MYRS_CMD_OP_SCSI_10 = 0x04,
MYRS_CMD_OP_SCSI_256 = 0x05,
MYRS_CMD_OP_IOCTL = 0x20,
} __packed;
/*
* DAC960 V2 Firmware IOCTL Opcodes.
*/
enum myrs_ioctl_opcode {
MYRS_IOCTL_GET_CTLR_INFO = 0x01,
MYRS_IOCTL_GET_LDEV_INFO_VALID = 0x03,
MYRS_IOCTL_GET_PDEV_INFO_VALID = 0x05,
MYRS_IOCTL_GET_HEALTH_STATUS = 0x11,
MYRS_IOCTL_GET_EVENT = 0x15,
MYRS_IOCTL_START_DISCOVERY = 0x81,
MYRS_IOCTL_SET_DEVICE_STATE = 0x82,
MYRS_IOCTL_INIT_PDEV_START = 0x84,
MYRS_IOCTL_INIT_PDEV_STOP = 0x85,
MYRS_IOCTL_INIT_LDEV_START = 0x86,
MYRS_IOCTL_INIT_LDEV_STOP = 0x87,
MYRS_IOCTL_RBLD_DEVICE_START = 0x88,
MYRS_IOCTL_RBLD_DEVICE_STOP = 0x89,
MYRS_IOCTL_MAKE_CONSISTENT_START = 0x8A,
MYRS_IOCTL_MAKE_CONSISTENT_STOP = 0x8B,
MYRS_IOCTL_CC_START = 0x8C,
MYRS_IOCTL_CC_STOP = 0x8D,
MYRS_IOCTL_SET_MEM_MBOX = 0x8E,
MYRS_IOCTL_RESET_DEVICE = 0x90,
MYRS_IOCTL_FLUSH_DEVICE_DATA = 0x91,
MYRS_IOCTL_PAUSE_DEVICE = 0x92,
MYRS_IOCTL_UNPAUS_EDEVICE = 0x93,
MYRS_IOCTL_LOCATE_DEVICE = 0x94,
MYRS_IOCTL_CREATE_CONFIGURATION = 0xC0,
MYRS_IOCTL_DELETE_LDEV = 0xC1,
MYRS_IOCTL_REPLACE_INTERNALDEVICE = 0xC2,
MYRS_IOCTL_RENAME_LDEV = 0xC3,
MYRS_IOCTL_ADD_CONFIGURATION = 0xC4,
MYRS_IOCTL_XLATE_PDEV_TO_LDEV = 0xC5,
MYRS_IOCTL_CLEAR_CONFIGURATION = 0xCA,
} __packed;
/*
* DAC960 V2 Firmware Command Status Codes.
*/
#define MYRS_STATUS_SUCCESS 0x00
#define MYRS_STATUS_FAILED 0x02
#define MYRS_STATUS_DEVICE_BUSY 0x08
#define MYRS_STATUS_DEVICE_NON_RESPONSIVE 0x0E
#define MYRS_STATUS_DEVICE_NON_RESPONSIVE2 0x0F
#define MYRS_STATUS_RESERVATION_CONFLICT 0x18
/*
* DAC960 V2 Firmware Memory Type structure.
*/
struct myrs_mem_type {
enum {
MYRS_MEMTYPE_RESERVED = 0x00,
MYRS_MEMTYPE_DRAM = 0x01,
MYRS_MEMTYPE_EDRAM = 0x02,
MYRS_MEMTYPE_EDO = 0x03,
MYRS_MEMTYPE_SDRAM = 0x04,
MYRS_MEMTYPE_LAST = 0x1F,
} __packed mem_type:5; /* Byte 0 Bits 0-4 */
unsigned rsvd:1; /* Byte 0 Bit 5 */
unsigned mem_parity:1; /* Byte 0 Bit 6 */
unsigned mem_ecc:1; /* Byte 0 Bit 7 */
};
/*
* DAC960 V2 Firmware Processor Type structure.
*/
enum myrs_cpu_type {
MYRS_CPUTYPE_i960CA = 0x01,
MYRS_CPUTYPE_i960RD = 0x02,
MYRS_CPUTYPE_i960RN = 0x03,
MYRS_CPUTYPE_i960RP = 0x04,
MYRS_CPUTYPE_NorthBay = 0x05,
MYRS_CPUTYPE_StrongArm = 0x06,
MYRS_CPUTYPE_i960RM = 0x07,
} __packed;
/*
* DAC960 V2 Firmware Get Controller Info reply structure.
*/
struct myrs_ctlr_info {
unsigned char rsvd1; /* Byte 0 */
enum {
MYRS_SCSI_BUS = 0x00,
MYRS_Fibre_BUS = 0x01,
MYRS_PCI_BUS = 0x03
} __packed bus; /* Byte 1 */
enum {
MYRS_CTLR_DAC960E = 0x01,
MYRS_CTLR_DAC960M = 0x08,
MYRS_CTLR_DAC960PD = 0x10,
MYRS_CTLR_DAC960PL = 0x11,
MYRS_CTLR_DAC960PU = 0x12,
MYRS_CTLR_DAC960PE = 0x13,
MYRS_CTLR_DAC960PG = 0x14,
MYRS_CTLR_DAC960PJ = 0x15,
MYRS_CTLR_DAC960PTL0 = 0x16,
MYRS_CTLR_DAC960PR = 0x17,
MYRS_CTLR_DAC960PRL = 0x18,
MYRS_CTLR_DAC960PT = 0x19,
MYRS_CTLR_DAC1164P = 0x1A,
MYRS_CTLR_DAC960PTL1 = 0x1B,
MYRS_CTLR_EXR2000P = 0x1C,
MYRS_CTLR_EXR3000P = 0x1D,
MYRS_CTLR_ACCELERAID352 = 0x1E,
MYRS_CTLR_ACCELERAID170 = 0x1F,
MYRS_CTLR_ACCELERAID160 = 0x20,
MYRS_CTLR_DAC960S = 0x60,
MYRS_CTLR_DAC960SU = 0x61,
MYRS_CTLR_DAC960SX = 0x62,
MYRS_CTLR_DAC960SF = 0x63,
MYRS_CTLR_DAC960SS = 0x64,
MYRS_CTLR_DAC960FL = 0x65,
MYRS_CTLR_DAC960LL = 0x66,
MYRS_CTLR_DAC960FF = 0x67,
MYRS_CTLR_DAC960HP = 0x68,
MYRS_CTLR_RAIDBRICK = 0x69,
MYRS_CTLR_METEOR_FL = 0x6A,
MYRS_CTLR_METEOR_FF = 0x6B
} __packed ctlr_type; /* Byte 2 */
unsigned char rsvd2; /* Byte 3 */
unsigned short bus_speed_mhz; /* Bytes 4-5 */
unsigned char bus_width; /* Byte 6 */
unsigned char flash_code; /* Byte 7 */
unsigned char ports_present; /* Byte 8 */
unsigned char rsvd3[7]; /* Bytes 9-15 */
unsigned char bus_name[16]; /* Bytes 16-31 */
unsigned char ctlr_name[16]; /* Bytes 32-47 */
unsigned char rsvd4[16]; /* Bytes 48-63 */
/* Firmware Release Information */
unsigned char fw_major_version; /* Byte 64 */
unsigned char fw_minor_version; /* Byte 65 */
unsigned char fw_turn_number; /* Byte 66 */
unsigned char fw_build_number; /* Byte 67 */
unsigned char fw_release_day; /* Byte 68 */
unsigned char fw_release_month; /* Byte 69 */
unsigned char fw_release_year_hi; /* Byte 70 */
unsigned char fw_release_year_lo; /* Byte 71 */
/* Hardware Release Information */
unsigned char hw_rev; /* Byte 72 */
unsigned char rsvd5[3]; /* Bytes 73-75 */
unsigned char hw_release_day; /* Byte 76 */
unsigned char hw_release_month; /* Byte 77 */
unsigned char hw_release_year_hi; /* Byte 78 */
unsigned char hw_release_year_lo; /* Byte 79 */
/* Hardware Manufacturing Information */
unsigned char manuf_batch_num; /* Byte 80 */
unsigned char rsvd6; /* Byte 81 */
unsigned char manuf_plant_num; /* Byte 82 */
unsigned char rsvd7; /* Byte 83 */
unsigned char hw_manuf_day; /* Byte 84 */
unsigned char hw_manuf_month; /* Byte 85 */
unsigned char hw_manuf_year_hi; /* Byte 86 */
unsigned char hw_manuf_year_lo; /* Byte 87 */
unsigned char max_pd_per_xld; /* Byte 88 */
unsigned char max_ild_per_xld; /* Byte 89 */
unsigned short nvram_size_kb; /* Bytes 90-91 */
unsigned char max_xld; /* Byte 92 */
unsigned char rsvd8[3]; /* Bytes 93-95 */
/* Unique Information per Controller */
unsigned char serial_number[16]; /* Bytes 96-111 */
unsigned char rsvd9[16]; /* Bytes 112-127 */
/* Vendor Information */
unsigned char rsvd10[3]; /* Bytes 128-130 */
unsigned char oem_code; /* Byte 131 */
unsigned char vendor[16]; /* Bytes 132-147 */
/* Other Physical/Controller/Operation Information */
unsigned char bbu_present:1; /* Byte 148 Bit 0 */
unsigned char cluster_mode:1; /* Byte 148 Bit 1 */
unsigned char rsvd11:6; /* Byte 148 Bits 2-7 */
unsigned char rsvd12[3]; /* Bytes 149-151 */
/* Physical Device Scan Information */
unsigned char pscan_active:1; /* Byte 152 Bit 0 */
unsigned char rsvd13:7; /* Byte 152 Bits 1-7 */
unsigned char pscan_chan; /* Byte 153 */
unsigned char pscan_target; /* Byte 154 */
unsigned char pscan_lun; /* Byte 155 */
/* Maximum Command Data Transfer Sizes */
unsigned short max_transfer_size; /* Bytes 156-157 */
unsigned short max_sge; /* Bytes 158-159 */
/* Logical/Physical Device Counts */
unsigned short ldev_present; /* Bytes 160-161 */
unsigned short ldev_critical; /* Bytes 162-163 */
unsigned short ldev_offline; /* Bytes 164-165 */
unsigned short pdev_present; /* Bytes 166-167 */
unsigned short pdisk_present; /* Bytes 168-169 */
unsigned short pdisk_critical; /* Bytes 170-171 */
unsigned short pdisk_offline; /* Bytes 172-173 */
unsigned short max_tcq; /* Bytes 174-175 */
/* Channel and Target ID Information */
unsigned char physchan_present; /* Byte 176 */
unsigned char virtchan_present; /* Byte 177 */
unsigned char physchan_max; /* Byte 178 */
unsigned char virtchan_max; /* Byte 179 */
unsigned char max_targets[16]; /* Bytes 180-195 */
unsigned char rsvd14[12]; /* Bytes 196-207 */
/* Memory/Cache Information */
unsigned short mem_size_mb; /* Bytes 208-209 */
unsigned short cache_size_mb; /* Bytes 210-211 */
unsigned int valid_cache_bytes; /* Bytes 212-215 */
unsigned int dirty_cache_bytes; /* Bytes 216-219 */
unsigned short mem_speed_mhz; /* Bytes 220-221 */
unsigned char mem_data_width; /* Byte 222 */
struct myrs_mem_type mem_type; /* Byte 223 */
unsigned char cache_mem_type_name[16]; /* Bytes 224-239 */
/* Execution Memory Information */
unsigned short exec_mem_size_mb; /* Bytes 240-241 */
unsigned short exec_l2_cache_size_mb; /* Bytes 242-243 */
unsigned char rsvd15[8]; /* Bytes 244-251 */
unsigned short exec_mem_speed_mhz; /* Bytes 252-253 */
unsigned char exec_mem_data_width; /* Byte 254 */
struct myrs_mem_type exec_mem_type; /* Byte 255 */
unsigned char exec_mem_type_name[16]; /* Bytes 256-271 */
/* CPU Type Information */
struct { /* Bytes 272-335 */
unsigned short cpu_speed_mhz;
enum myrs_cpu_type cpu_type;
unsigned char cpu_count;
unsigned char rsvd16[12];
unsigned char cpu_name[16];
} __packed cpu[2];
/* Debugging/Profiling/Command Time Tracing Information */
unsigned short cur_prof_page_num; /* Bytes 336-337 */
unsigned short num_prof_waiters; /* Bytes 338-339 */
unsigned short cur_trace_page_num; /* Bytes 340-341 */
unsigned short num_trace_waiters; /* Bytes 342-343 */
unsigned char rsvd18[8]; /* Bytes 344-351 */
/* Error Counters on Physical Devices */
unsigned short pdev_bus_resets; /* Bytes 352-353 */
unsigned short pdev_parity_errors; /* Bytes 355-355 */
unsigned short pdev_soft_errors; /* Bytes 356-357 */
unsigned short pdev_cmds_failed; /* Bytes 358-359 */
unsigned short pdev_misc_errors; /* Bytes 360-361 */
unsigned short pdev_cmd_timeouts; /* Bytes 362-363 */
unsigned short pdev_sel_timeouts; /* Bytes 364-365 */
unsigned short pdev_retries_done; /* Bytes 366-367 */
unsigned short pdev_aborts_done; /* Bytes 368-369 */
unsigned short pdev_host_aborts_done; /* Bytes 370-371 */
unsigned short pdev_predicted_failures; /* Bytes 372-373 */
unsigned short pdev_host_cmds_failed; /* Bytes 374-375 */
unsigned short pdev_hard_errors; /* Bytes 376-377 */
unsigned char rsvd19[6]; /* Bytes 378-383 */
/* Error Counters on Logical Devices */
unsigned short ldev_soft_errors; /* Bytes 384-385 */
unsigned short ldev_cmds_failed; /* Bytes 386-387 */
unsigned short ldev_host_aborts_done; /* Bytes 388-389 */
unsigned char rsvd20[2]; /* Bytes 390-391 */
/* Error Counters on Controller */
unsigned short ctlr_mem_errors; /* Bytes 392-393 */
unsigned short ctlr_host_aborts_done; /* Bytes 394-395 */
unsigned char rsvd21[4]; /* Bytes 396-399 */
/* Long Duration Activity Information */
unsigned short bg_init_active; /* Bytes 400-401 */
unsigned short ldev_init_active; /* Bytes 402-403 */
unsigned short pdev_init_active; /* Bytes 404-405 */
unsigned short cc_active; /* Bytes 406-407 */
unsigned short rbld_active; /* Bytes 408-409 */
unsigned short exp_active; /* Bytes 410-411 */
unsigned short patrol_active; /* Bytes 412-413 */
unsigned char rsvd22[2]; /* Bytes 414-415 */
/* Flash ROM Information */
unsigned char flash_type; /* Byte 416 */
unsigned char rsvd23; /* Byte 417 */
unsigned short flash_size_MB; /* Bytes 418-419 */
unsigned int flash_limit; /* Bytes 420-423 */
unsigned int flash_count; /* Bytes 424-427 */
unsigned char rsvd24[4]; /* Bytes 428-431 */
unsigned char flash_type_name[16]; /* Bytes 432-447 */
/* Firmware Run Time Information */
unsigned char rbld_rate; /* Byte 448 */
unsigned char bg_init_rate; /* Byte 449 */
unsigned char fg_init_rate; /* Byte 450 */
unsigned char cc_rate; /* Byte 451 */
unsigned char rsvd25[4]; /* Bytes 452-455 */
unsigned int max_dp; /* Bytes 456-459 */
unsigned int free_dp; /* Bytes 460-463 */
unsigned int max_iop; /* Bytes 464-467 */
unsigned int free_iop; /* Bytes 468-471 */
unsigned short max_combined_len; /* Bytes 472-473 */
unsigned short num_cfg_groups; /* Bytes 474-475 */
unsigned installation_abort_status:1; /* Byte 476 Bit 0 */
unsigned maint_mode_status:1; /* Byte 476 Bit 1 */
unsigned rsvd26:6; /* Byte 476 Bits 2-7 */
unsigned char rsvd27[6]; /* Bytes 477-511 */
unsigned char rsvd28[512]; /* Bytes 512-1023 */
};
/*
* DAC960 V2 Firmware Device State type.
*/
enum myrs_devstate {
MYRS_DEVICE_UNCONFIGURED = 0x00,
MYRS_DEVICE_ONLINE = 0x01,
MYRS_DEVICE_REBUILD = 0x03,
MYRS_DEVICE_MISSING = 0x04,
MYRS_DEVICE_SUSPECTED_CRITICAL = 0x05,
MYRS_DEVICE_OFFLINE = 0x08,
MYRS_DEVICE_CRITICAL = 0x09,
MYRS_DEVICE_SUSPECTED_DEAD = 0x0C,
MYRS_DEVICE_COMMANDED_OFFLINE = 0x10,
MYRS_DEVICE_STANDBY = 0x21,
MYRS_DEVICE_INVALID_STATE = 0xFF,
} __packed;
/*
* DAC960 V2 RAID Levels
*/
enum myrs_raid_level {
MYRS_RAID_LEVEL0 = 0x0, /* RAID 0 */
MYRS_RAID_LEVEL1 = 0x1, /* RAID 1 */
MYRS_RAID_LEVEL3 = 0x3, /* RAID 3 right asymmetric parity */
MYRS_RAID_LEVEL5 = 0x5, /* RAID 5 right asymmetric parity */
MYRS_RAID_LEVEL6 = 0x6, /* RAID 6 (Mylex RAID 6) */
MYRS_RAID_JBOD = 0x7, /* RAID 7 (JBOD) */
MYRS_RAID_NEWSPAN = 0x8, /* New Mylex SPAN */
MYRS_RAID_LEVEL3F = 0x9, /* RAID 3 fixed parity */
MYRS_RAID_LEVEL3L = 0xb, /* RAID 3 left symmetric parity */
MYRS_RAID_SPAN = 0xc, /* current spanning implementation */
MYRS_RAID_LEVEL5L = 0xd, /* RAID 5 left symmetric parity */
MYRS_RAID_LEVELE = 0xe, /* RAID E (concatenation) */
MYRS_RAID_PHYSICAL = 0xf, /* physical device */
} __packed;
enum myrs_stripe_size {
MYRS_STRIPE_SIZE_0 = 0x0, /* no stripe (RAID 1, RAID 7, etc) */
MYRS_STRIPE_SIZE_512B = 0x1,
MYRS_STRIPE_SIZE_1K = 0x2,
MYRS_STRIPE_SIZE_2K = 0x3,
MYRS_STRIPE_SIZE_4K = 0x4,
MYRS_STRIPE_SIZE_8K = 0x5,
MYRS_STRIPE_SIZE_16K = 0x6,
MYRS_STRIPE_SIZE_32K = 0x7,
MYRS_STRIPE_SIZE_64K = 0x8,
MYRS_STRIPE_SIZE_128K = 0x9,
MYRS_STRIPE_SIZE_256K = 0xa,
MYRS_STRIPE_SIZE_512K = 0xb,
MYRS_STRIPE_SIZE_1M = 0xc,
} __packed;
enum myrs_cacheline_size {
MYRS_CACHELINE_ZERO = 0x0, /* caching cannot be enabled */
MYRS_CACHELINE_512B = 0x1,
MYRS_CACHELINE_1K = 0x2,
MYRS_CACHELINE_2K = 0x3,
MYRS_CACHELINE_4K = 0x4,
MYRS_CACHELINE_8K = 0x5,
MYRS_CACHELINE_16K = 0x6,
MYRS_CACHELINE_32K = 0x7,
MYRS_CACHELINE_64K = 0x8,
} __packed;
/*
* DAC960 V2 Firmware Get Logical Device Info reply structure.
*/
struct myrs_ldev_info {
unsigned char ctlr; /* Byte 0 */
unsigned char channel; /* Byte 1 */
unsigned char target; /* Byte 2 */
unsigned char lun; /* Byte 3 */
enum myrs_devstate dev_state; /* Byte 4 */
unsigned char raid_level; /* Byte 5 */
enum myrs_stripe_size stripe_size; /* Byte 6 */
enum myrs_cacheline_size cacheline_size; /* Byte 7 */
struct {
enum {
MYRS_READCACHE_DISABLED = 0x0,
MYRS_READCACHE_ENABLED = 0x1,
MYRS_READAHEAD_ENABLED = 0x2,
MYRS_INTELLIGENT_READAHEAD_ENABLED = 0x3,
MYRS_READCACHE_LAST = 0x7,
} __packed rce:3; /* Byte 8 Bits 0-2 */
enum {
MYRS_WRITECACHE_DISABLED = 0x0,
MYRS_LOGICALDEVICE_RO = 0x1,
MYRS_WRITECACHE_ENABLED = 0x2,
MYRS_INTELLIGENT_WRITECACHE_ENABLED = 0x3,
MYRS_WRITECACHE_LAST = 0x7,
} __packed wce:3; /* Byte 8 Bits 3-5 */
unsigned rsvd1:1; /* Byte 8 Bit 6 */
unsigned ldev_init_done:1; /* Byte 8 Bit 7 */
} ldev_control; /* Byte 8 */
/* Logical Device Operations Status */
unsigned char cc_active:1; /* Byte 9 Bit 0 */
unsigned char rbld_active:1; /* Byte 9 Bit 1 */
unsigned char bg_init_active:1; /* Byte 9 Bit 2 */
unsigned char fg_init_active:1; /* Byte 9 Bit 3 */
unsigned char migration_active:1; /* Byte 9 Bit 4 */
unsigned char patrol_active:1; /* Byte 9 Bit 5 */
unsigned char rsvd2:2; /* Byte 9 Bits 6-7 */
unsigned char raid5_writeupdate; /* Byte 10 */
unsigned char raid5_algo; /* Byte 11 */
unsigned short ldev_num; /* Bytes 12-13 */
/* BIOS Info */
unsigned char bios_disabled:1; /* Byte 14 Bit 0 */
unsigned char cdrom_boot:1; /* Byte 14 Bit 1 */
unsigned char drv_coercion:1; /* Byte 14 Bit 2 */
unsigned char write_same_disabled:1; /* Byte 14 Bit 3 */
unsigned char hba_mode:1; /* Byte 14 Bit 4 */
enum {
MYRS_GEOMETRY_128_32 = 0x0,
MYRS_GEOMETRY_255_63 = 0x1,
MYRS_GEOMETRY_RSVD1 = 0x2,
MYRS_GEOMETRY_RSVD2 = 0x3
} __packed drv_geom:2; /* Byte 14 Bits 5-6 */
unsigned char super_ra_enabled:1; /* Byte 14 Bit 7 */
unsigned char rsvd3; /* Byte 15 */
/* Error Counters */
unsigned short soft_errs; /* Bytes 16-17 */
unsigned short cmds_failed; /* Bytes 18-19 */
unsigned short cmds_aborted; /* Bytes 20-21 */
unsigned short deferred_write_errs; /* Bytes 22-23 */
unsigned int rsvd4; /* Bytes 24-27 */
unsigned int rsvd5; /* Bytes 28-31 */
/* Device Size Information */
unsigned short rsvd6; /* Bytes 32-33 */
unsigned short devsize_bytes; /* Bytes 34-35 */
unsigned int orig_devsize; /* Bytes 36-39 */
unsigned int cfg_devsize; /* Bytes 40-43 */
unsigned int rsvd7; /* Bytes 44-47 */
unsigned char ldev_name[32]; /* Bytes 48-79 */
unsigned char inquiry[36]; /* Bytes 80-115 */
unsigned char rsvd8[12]; /* Bytes 116-127 */
u64 last_read_lba; /* Bytes 128-135 */
u64 last_write_lba; /* Bytes 136-143 */
u64 cc_lba; /* Bytes 144-151 */
u64 rbld_lba; /* Bytes 152-159 */
u64 bg_init_lba; /* Bytes 160-167 */
u64 fg_init_lba; /* Bytes 168-175 */
u64 migration_lba; /* Bytes 176-183 */
u64 patrol_lba; /* Bytes 184-191 */
unsigned char rsvd9[64]; /* Bytes 192-255 */
};
/*
* DAC960 V2 Firmware Get Physical Device Info reply structure.
*/
struct myrs_pdev_info {
unsigned char rsvd1; /* Byte 0 */
unsigned char channel; /* Byte 1 */
unsigned char target; /* Byte 2 */
unsigned char lun; /* Byte 3 */
/* Configuration Status Bits */
unsigned char pdev_fault_tolerant:1; /* Byte 4 Bit 0 */
unsigned char pdev_connected:1; /* Byte 4 Bit 1 */
unsigned char pdev_local_to_ctlr:1; /* Byte 4 Bit 2 */
unsigned char rsvd2:5; /* Byte 4 Bits 3-7 */
/* Multiple Host/Controller Status Bits */
unsigned char remote_host_dead:1; /* Byte 5 Bit 0 */
unsigned char remove_ctlr_dead:1; /* Byte 5 Bit 1 */
unsigned char rsvd3:6; /* Byte 5 Bits 2-7 */
enum myrs_devstate dev_state; /* Byte 6 */
unsigned char nego_data_width; /* Byte 7 */
unsigned short nego_sync_rate; /* Bytes 8-9 */
/* Multiported Physical Device Information */
unsigned char num_ports; /* Byte 10 */
unsigned char drv_access_bitmap; /* Byte 11 */
unsigned int rsvd4; /* Bytes 12-15 */
unsigned char ip_address[16]; /* Bytes 16-31 */
unsigned short max_tags; /* Bytes 32-33 */
/* Physical Device Operations Status */
unsigned char cc_in_progress:1; /* Byte 34 Bit 0 */
unsigned char rbld_in_progress:1; /* Byte 34 Bit 1 */
unsigned char makecc_in_progress:1; /* Byte 34 Bit 2 */
unsigned char pdevinit_in_progress:1; /* Byte 34 Bit 3 */
unsigned char migration_in_progress:1; /* Byte 34 Bit 4 */
unsigned char patrol_in_progress:1; /* Byte 34 Bit 5 */
unsigned char rsvd5:2; /* Byte 34 Bits 6-7 */
unsigned char long_op_status; /* Byte 35 */
unsigned char parity_errs; /* Byte 36 */
unsigned char soft_errs; /* Byte 37 */
unsigned char hard_errs; /* Byte 38 */
unsigned char misc_errs; /* Byte 39 */
unsigned char cmd_timeouts; /* Byte 40 */
unsigned char retries; /* Byte 41 */
unsigned char aborts; /* Byte 42 */
unsigned char pred_failures; /* Byte 43 */
unsigned int rsvd6; /* Bytes 44-47 */
unsigned short rsvd7; /* Bytes 48-49 */
unsigned short devsize_bytes; /* Bytes 50-51 */
unsigned int orig_devsize; /* Bytes 52-55 */
unsigned int cfg_devsize; /* Bytes 56-59 */
unsigned int rsvd8; /* Bytes 60-63 */
unsigned char pdev_name[16]; /* Bytes 64-79 */
unsigned char rsvd9[16]; /* Bytes 80-95 */
unsigned char rsvd10[32]; /* Bytes 96-127 */
unsigned char inquiry[36]; /* Bytes 128-163 */
unsigned char rsvd11[20]; /* Bytes 164-183 */
unsigned char rsvd12[8]; /* Bytes 184-191 */
u64 last_read_lba; /* Bytes 192-199 */
u64 last_write_lba; /* Bytes 200-207 */
u64 cc_lba; /* Bytes 208-215 */
u64 rbld_lba; /* Bytes 216-223 */
u64 makecc_lba; /* Bytes 224-231 */
u64 devinit_lba; /* Bytes 232-239 */
u64 migration_lba; /* Bytes 240-247 */
u64 patrol_lba; /* Bytes 248-255 */
unsigned char rsvd13[256]; /* Bytes 256-511 */
};
/*
* DAC960 V2 Firmware Health Status Buffer structure.
*/
struct myrs_fwstat {
unsigned int uptime_usecs; /* Bytes 0-3 */
unsigned int uptime_msecs; /* Bytes 4-7 */
unsigned int seconds; /* Bytes 8-11 */
unsigned char rsvd1[4]; /* Bytes 12-15 */
unsigned int epoch; /* Bytes 16-19 */
unsigned char rsvd2[4]; /* Bytes 20-23 */
unsigned int dbg_msgbuf_idx; /* Bytes 24-27 */
unsigned int coded_msgbuf_idx; /* Bytes 28-31 */
unsigned int cur_timetrace_page; /* Bytes 32-35 */
unsigned int cur_prof_page; /* Bytes 36-39 */
unsigned int next_evseq; /* Bytes 40-43 */
unsigned char rsvd3[4]; /* Bytes 44-47 */
unsigned char rsvd4[16]; /* Bytes 48-63 */
unsigned char rsvd5[64]; /* Bytes 64-127 */
};
/*
* DAC960 V2 Firmware Get Event reply structure.
*/
struct myrs_event {
unsigned int ev_seq; /* Bytes 0-3 */
unsigned int ev_time; /* Bytes 4-7 */
unsigned int ev_code; /* Bytes 8-11 */
unsigned char rsvd1; /* Byte 12 */
unsigned char channel; /* Byte 13 */
unsigned char target; /* Byte 14 */
unsigned char lun; /* Byte 15 */
unsigned int rsvd2; /* Bytes 16-19 */
unsigned int ev_parm; /* Bytes 20-23 */
unsigned char sense_data[40]; /* Bytes 24-63 */
};
/*
* DAC960 V2 Firmware Command Control Bits structure.
*/
struct myrs_cmd_ctrl {
unsigned char fua:1; /* Byte 0 Bit 0 */
unsigned char disable_pgout:1; /* Byte 0 Bit 1 */
unsigned char rsvd1:1; /* Byte 0 Bit 2 */
unsigned char add_sge_mem:1; /* Byte 0 Bit 3 */
unsigned char dma_ctrl_to_host:1; /* Byte 0 Bit 4 */
unsigned char rsvd2:1; /* Byte 0 Bit 5 */
unsigned char no_autosense:1; /* Byte 0 Bit 6 */
unsigned char disc_prohibited:1; /* Byte 0 Bit 7 */
};
/*
* DAC960 V2 Firmware Command Timeout structure.
*/
struct myrs_cmd_tmo {
unsigned char tmo_val:6; /* Byte 0 Bits 0-5 */
enum {
MYRS_TMO_SCALE_SECONDS = 0,
MYRS_TMO_SCALE_MINUTES = 1,
MYRS_TMO_SCALE_HOURS = 2,
MYRS_TMO_SCALE_RESERVED = 3
} __packed tmo_scale:2; /* Byte 0 Bits 6-7 */
};
/*
* DAC960 V2 Firmware Physical Device structure.
*/
struct myrs_pdev {
unsigned char lun; /* Byte 0 */
unsigned char target; /* Byte 1 */
unsigned char channel:3; /* Byte 2 Bits 0-2 */
unsigned char ctlr:5; /* Byte 2 Bits 3-7 */
} __packed;
/*
* DAC960 V2 Firmware Logical Device structure.
*/
struct myrs_ldev {
unsigned short ldev_num; /* Bytes 0-1 */
unsigned char rsvd:3; /* Byte 2 Bits 0-2 */
unsigned char ctlr:5; /* Byte 2 Bits 3-7 */
} __packed;
/*
* DAC960 V2 Firmware Operation Device type.
*/
enum myrs_opdev {
MYRS_PHYSICAL_DEVICE = 0x00,
MYRS_RAID_DEVICE = 0x01,
MYRS_PHYSICAL_CHANNEL = 0x02,
MYRS_RAID_CHANNEL = 0x03,
MYRS_PHYSICAL_CONTROLLER = 0x04,
MYRS_RAID_CONTROLLER = 0x05,
MYRS_CONFIGURATION_GROUP = 0x10,
MYRS_ENCLOSURE = 0x11,
} __packed;
/*
* DAC960 V2 Firmware Translate Physical To Logical Device structure.
*/
struct myrs_devmap {
unsigned short ldev_num; /* Bytes 0-1 */
unsigned short rsvd; /* Bytes 2-3 */
unsigned char prev_boot_ctlr; /* Byte 4 */
unsigned char prev_boot_channel; /* Byte 5 */
unsigned char prev_boot_target; /* Byte 6 */
unsigned char prev_boot_lun; /* Byte 7 */
};
/*
* DAC960 V2 Firmware Scatter/Gather List Entry structure.
*/
struct myrs_sge {
u64 sge_addr; /* Bytes 0-7 */
u64 sge_count; /* Bytes 8-15 */
};
/*
* DAC960 V2 Firmware Data Transfer Memory Address structure.
*/
union myrs_sgl {
struct myrs_sge sge[2]; /* Bytes 0-31 */
struct {
unsigned short sge0_len; /* Bytes 0-1 */
unsigned short sge1_len; /* Bytes 2-3 */
unsigned short sge2_len; /* Bytes 4-5 */
unsigned short rsvd; /* Bytes 6-7 */
u64 sge0_addr; /* Bytes 8-15 */
u64 sge1_addr; /* Bytes 16-23 */
u64 sge2_addr; /* Bytes 24-31 */
} ext;
};
/*
* 64 Byte DAC960 V2 Firmware Command Mailbox structure.
*/
union myrs_cmd_mbox {
unsigned int words[16]; /* Words 0-15 */
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
unsigned int rsvd1:24; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
unsigned char rsvd2[10]; /* Bytes 22-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} common;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size; /* Bytes 4-7 */
u64 sense_addr; /* Bytes 8-15 */
struct myrs_pdev pdev; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
unsigned char cdb_len; /* Byte 21 */
unsigned char cdb[10]; /* Bytes 22-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} SCSI_10;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size; /* Bytes 4-7 */
u64 sense_addr; /* Bytes 8-15 */
struct myrs_pdev pdev; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
unsigned char cdb_len; /* Byte 21 */
unsigned short rsvd; /* Bytes 22-23 */
u64 cdb_addr; /* Bytes 24-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} SCSI_255;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
unsigned short rsvd1; /* Bytes 16-17 */
unsigned char ctlr_num; /* Byte 18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
unsigned char rsvd2[10]; /* Bytes 22-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} ctlr_info;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
struct myrs_ldev ldev; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
unsigned char rsvd[10]; /* Bytes 22-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} ldev_info;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
struct myrs_pdev pdev; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
unsigned char rsvd[10]; /* Bytes 22-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} pdev_info;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
unsigned short evnum_upper; /* Bytes 16-17 */
unsigned char ctlr_num; /* Byte 18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
unsigned short evnum_lower; /* Bytes 22-23 */
unsigned char rsvd[8]; /* Bytes 24-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} get_event;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
union {
struct myrs_ldev ldev; /* Bytes 16-18 */
struct myrs_pdev pdev; /* Bytes 16-18 */
};
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
enum myrs_devstate state; /* Byte 22 */
unsigned char rsvd[9]; /* Bytes 23-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} set_devstate;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
struct myrs_ldev ldev; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
unsigned char restore_consistency:1; /* Byte 22 Bit 0 */
unsigned char initialized_area_only:1; /* Byte 22 Bit 1 */
unsigned char rsvd1:6; /* Byte 22 Bits 2-7 */
unsigned char rsvd2[9]; /* Bytes 23-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} cc;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
unsigned char first_cmd_mbox_size_kb; /* Byte 4 */
unsigned char first_stat_mbox_size_kb; /* Byte 5 */
unsigned char second_cmd_mbox_size_kb; /* Byte 6 */
unsigned char second_stat_mbox_size_kb; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
unsigned int rsvd1:24; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
unsigned char fwstat_buf_size_kb; /* Byte 22 */
unsigned char rsvd2; /* Byte 23 */
u64 fwstat_buf_addr; /* Bytes 24-31 */
u64 first_cmd_mbox_addr; /* Bytes 32-39 */
u64 first_stat_mbox_addr; /* Bytes 40-47 */
u64 second_cmd_mbox_addr; /* Bytes 48-55 */
u64 second_stat_mbox_addr; /* Bytes 56-63 */
} set_mbox;
struct {
unsigned short id; /* Bytes 0-1 */
enum myrs_cmd_opcode opcode; /* Byte 2 */
struct myrs_cmd_ctrl control; /* Byte 3 */
u32 dma_size:24; /* Bytes 4-6 */
unsigned char dma_num; /* Byte 7 */
u64 sense_addr; /* Bytes 8-15 */
struct myrs_pdev pdev; /* Bytes 16-18 */
struct myrs_cmd_tmo tmo; /* Byte 19 */
unsigned char sense_len; /* Byte 20 */
enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */
enum myrs_opdev opdev; /* Byte 22 */
unsigned char rsvd[9]; /* Bytes 23-31 */
union myrs_sgl dma_addr; /* Bytes 32-63 */
} dev_op;
};
/*
* DAC960 V2 Firmware Controller Status Mailbox structure.
*/
struct myrs_stat_mbox {
unsigned short id; /* Bytes 0-1 */
unsigned char status; /* Byte 2 */
unsigned char sense_len; /* Byte 3 */
int residual; /* Bytes 4-7 */
};
struct myrs_cmdblk {
union myrs_cmd_mbox mbox;
unsigned char status;
unsigned char sense_len;
int residual;
struct completion *complete;
struct myrs_sge *sgl;
dma_addr_t sgl_addr;
unsigned char *dcdb;
dma_addr_t dcdb_dma;
unsigned char *sense;
dma_addr_t sense_addr;
};
/*
* DAC960 Driver Controller structure.
*/
struct myrs_hba {
void __iomem *io_base;
void __iomem *mmio_base;
phys_addr_t io_addr;
phys_addr_t pci_addr;
unsigned int irq;
unsigned char model_name[28];
unsigned char fw_version[12];
struct Scsi_Host *host;
struct pci_dev *pdev;
unsigned int epoch;
unsigned int next_evseq;
/* Monitor flags */
bool needs_update;
bool disable_enc_msg;
struct workqueue_struct *work_q;
char work_q_name[20];
struct delayed_work monitor_work;
unsigned long primary_monitor_time;
unsigned long secondary_monitor_time;
spinlock_t queue_lock;
struct dma_pool *sg_pool;
struct dma_pool *sense_pool;
struct dma_pool *dcdb_pool;
void (*write_cmd_mbox)(union myrs_cmd_mbox *next_mbox,
union myrs_cmd_mbox *cmd_mbox);
void (*get_cmd_mbox)(void __iomem *base);
void (*disable_intr)(void __iomem *base);
void (*reset)(void __iomem *base);
dma_addr_t cmd_mbox_addr;
size_t cmd_mbox_size;
union myrs_cmd_mbox *first_cmd_mbox;
union myrs_cmd_mbox *last_cmd_mbox;
union myrs_cmd_mbox *next_cmd_mbox;
union myrs_cmd_mbox *prev_cmd_mbox1;
union myrs_cmd_mbox *prev_cmd_mbox2;
dma_addr_t stat_mbox_addr;
size_t stat_mbox_size;
struct myrs_stat_mbox *first_stat_mbox;
struct myrs_stat_mbox *last_stat_mbox;
struct myrs_stat_mbox *next_stat_mbox;
struct myrs_cmdblk dcmd_blk;
struct myrs_cmdblk mcmd_blk;
struct mutex dcmd_mutex;
struct myrs_fwstat *fwstat_buf;
dma_addr_t fwstat_addr;
struct myrs_ctlr_info *ctlr_info;
struct mutex cinfo_mutex;
struct myrs_event *event_buf;
};
typedef unsigned char (*enable_mbox_t)(void __iomem *base, dma_addr_t addr);
typedef int (*myrs_hwinit_t)(struct pci_dev *pdev,
struct myrs_hba *c, void __iomem *base);
struct myrs_privdata {
myrs_hwinit_t hw_init;
irq_handler_t irq_handler;
unsigned int mmio_size;
};
/*
* DAC960 GEM Series Controller Interface Register Offsets.
*/
#define DAC960_GEM_mmio_size 0x600
enum DAC960_GEM_reg_offset {
DAC960_GEM_IDB_READ_OFFSET = 0x214,
DAC960_GEM_IDB_CLEAR_OFFSET = 0x218,
DAC960_GEM_ODB_READ_OFFSET = 0x224,
DAC960_GEM_ODB_CLEAR_OFFSET = 0x228,
DAC960_GEM_IRQSTS_OFFSET = 0x208,
DAC960_GEM_IRQMASK_READ_OFFSET = 0x22C,
DAC960_GEM_IRQMASK_CLEAR_OFFSET = 0x230,
DAC960_GEM_CMDMBX_OFFSET = 0x510,
DAC960_GEM_CMDSTS_OFFSET = 0x518,
DAC960_GEM_ERRSTS_READ_OFFSET = 0x224,
DAC960_GEM_ERRSTS_CLEAR_OFFSET = 0x228,
};
/*
* DAC960 GEM Series Inbound Door Bell Register.
*/
#define DAC960_GEM_IDB_HWMBOX_NEW_CMD 0x01
#define DAC960_GEM_IDB_HWMBOX_ACK_STS 0x02
#define DAC960_GEM_IDB_GEN_IRQ 0x04
#define DAC960_GEM_IDB_CTRL_RESET 0x08
#define DAC960_GEM_IDB_MMBOX_NEW_CMD 0x10
#define DAC960_GEM_IDB_HWMBOX_FULL 0x01
#define DAC960_GEM_IDB_INIT_IN_PROGRESS 0x02
/*
* DAC960 GEM Series Outbound Door Bell Register.
*/
#define DAC960_GEM_ODB_HWMBOX_ACK_IRQ 0x01
#define DAC960_GEM_ODB_MMBOX_ACK_IRQ 0x02
#define DAC960_GEM_ODB_HWMBOX_STS_AVAIL 0x01
#define DAC960_GEM_ODB_MMBOX_STS_AVAIL 0x02
/*
* DAC960 GEM Series Interrupt Mask Register.
*/
#define DAC960_GEM_IRQMASK_HWMBOX_IRQ 0x01
#define DAC960_GEM_IRQMASK_MMBOX_IRQ 0x02
/*
* DAC960 GEM Series Error Status Register.
*/
#define DAC960_GEM_ERRSTS_PENDING 0x20
/*
* dma_addr_writeql is provided to write dma_addr_t types
* to a 64-bit pci address space register. The controller
* will accept having the register written as two 32-bit
* values.
*
* In HIGHMEM kernels, dma_addr_t is a 64-bit value.
* without HIGHMEM, dma_addr_t is a 32-bit value.
*
* The compiler should always fix up the assignment
* to u.wq appropriately, depending upon the size of
* dma_addr_t.
*/
static inline
void dma_addr_writeql(dma_addr_t addr, void __iomem *write_address)
{
union {
u64 wq;
uint wl[2];
} u;
u.wq = addr;
writel(u.wl[0], write_address);
writel(u.wl[1], write_address + 4);
}
/*
* DAC960 BA Series Controller Interface Register Offsets.
*/
#define DAC960_BA_mmio_size 0x80
enum DAC960_BA_reg_offset {
DAC960_BA_IRQSTS_OFFSET = 0x30,
DAC960_BA_IRQMASK_OFFSET = 0x34,
DAC960_BA_CMDMBX_OFFSET = 0x50,
DAC960_BA_CMDSTS_OFFSET = 0x58,
DAC960_BA_IDB_OFFSET = 0x60,
DAC960_BA_ODB_OFFSET = 0x61,
DAC960_BA_ERRSTS_OFFSET = 0x63,
};
/*
* DAC960 BA Series Inbound Door Bell Register.
*/
#define DAC960_BA_IDB_HWMBOX_NEW_CMD 0x01
#define DAC960_BA_IDB_HWMBOX_ACK_STS 0x02
#define DAC960_BA_IDB_GEN_IRQ 0x04
#define DAC960_BA_IDB_CTRL_RESET 0x08
#define DAC960_BA_IDB_MMBOX_NEW_CMD 0x10
#define DAC960_BA_IDB_HWMBOX_EMPTY 0x01
#define DAC960_BA_IDB_INIT_DONE 0x02
/*
* DAC960 BA Series Outbound Door Bell Register.
*/
#define DAC960_BA_ODB_HWMBOX_ACK_IRQ 0x01
#define DAC960_BA_ODB_MMBOX_ACK_IRQ 0x02
#define DAC960_BA_ODB_HWMBOX_STS_AVAIL 0x01
#define DAC960_BA_ODB_MMBOX_STS_AVAIL 0x02
/*
* DAC960 BA Series Interrupt Mask Register.
*/
#define DAC960_BA_IRQMASK_DISABLE_IRQ 0x04
#define DAC960_BA_IRQMASK_DISABLEW_I2O 0x08
/*
* DAC960 BA Series Error Status Register.
*/
#define DAC960_BA_ERRSTS_PENDING 0x04
/*
* DAC960 LP Series Controller Interface Register Offsets.
*/
#define DAC960_LP_mmio_size 0x80
enum DAC960_LP_reg_offset {
DAC960_LP_CMDMBX_OFFSET = 0x10,
DAC960_LP_CMDSTS_OFFSET = 0x18,
DAC960_LP_IDB_OFFSET = 0x20,
DAC960_LP_ODB_OFFSET = 0x2C,
DAC960_LP_ERRSTS_OFFSET = 0x2E,
DAC960_LP_IRQSTS_OFFSET = 0x30,
DAC960_LP_IRQMASK_OFFSET = 0x34,
};
/*
* DAC960 LP Series Inbound Door Bell Register.
*/
#define DAC960_LP_IDB_HWMBOX_NEW_CMD 0x01
#define DAC960_LP_IDB_HWMBOX_ACK_STS 0x02
#define DAC960_LP_IDB_GEN_IRQ 0x04
#define DAC960_LP_IDB_CTRL_RESET 0x08
#define DAC960_LP_IDB_MMBOX_NEW_CMD 0x10
#define DAC960_LP_IDB_HWMBOX_FULL 0x01
#define DAC960_LP_IDB_INIT_IN_PROGRESS 0x02
/*
* DAC960 LP Series Outbound Door Bell Register.
*/
#define DAC960_LP_ODB_HWMBOX_ACK_IRQ 0x01
#define DAC960_LP_ODB_MMBOX_ACK_IRQ 0x02
#define DAC960_LP_ODB_HWMBOX_STS_AVAIL 0x01
#define DAC960_LP_ODB_MMBOX_STS_AVAIL 0x02
/*
* DAC960 LP Series Interrupt Mask Register.
*/
#define DAC960_LP_IRQMASK_DISABLE_IRQ 0x04
/*
* DAC960 LP Series Error Status Register.
*/
#define DAC960_LP_ERRSTS_PENDING 0x04
#endif /* _MYRS_H */