/* * * Linux MegaRAID driver for SAS based RAID controllers * * Copyright (c) 2003-2005 LSI Logic Corporation. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * FILE : megaraid_sas.h */ #ifndef LSI_MEGARAID_SAS_H #define LSI_MEGARAID_SAS_H /** * MegaRAID SAS Driver meta data */ #define MEGASAS_VERSION "00.00.03.01" #define MEGASAS_RELDATE "May 14, 2006" #define MEGASAS_EXT_VERSION "Sun May 14 22:49:52 PDT 2006" /* * Device IDs */ #define PCI_DEVICE_ID_LSI_SAS1078R 0x0060 #define PCI_DEVICE_ID_LSI_VERDE_ZCR 0x0413 /* * ===================================== * MegaRAID SAS MFI firmware definitions * ===================================== */ /* * MFI stands for MegaRAID SAS FW Interface. This is just a moniker for * protocol between the software and firmware. Commands are issued using * "message frames" */ /** * FW posts its state in upper 4 bits of outbound_msg_0 register */ #define MFI_STATE_MASK 0xF0000000 #define MFI_STATE_UNDEFINED 0x00000000 #define MFI_STATE_BB_INIT 0x10000000 #define MFI_STATE_FW_INIT 0x40000000 #define MFI_STATE_WAIT_HANDSHAKE 0x60000000 #define MFI_STATE_FW_INIT_2 0x70000000 #define MFI_STATE_DEVICE_SCAN 0x80000000 #define MFI_STATE_BOOT_MESSAGE_PENDING 0x90000000 #define MFI_STATE_FLUSH_CACHE 0xA0000000 #define MFI_STATE_READY 0xB0000000 #define MFI_STATE_OPERATIONAL 0xC0000000 #define MFI_STATE_FAULT 0xF0000000 #define MEGAMFI_FRAME_SIZE 64 /** * During FW init, clear pending cmds & reset state using inbound_msg_0 * * ABORT : Abort all pending cmds * READY : Move from OPERATIONAL to READY state; discard queue info * MFIMODE : Discard (possible) low MFA posted in 64-bit mode (??) * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver * HOTPLUG : Resume from Hotplug * MFI_STOP_ADP : Send signal to FW to stop processing */ #define MFI_INIT_ABORT 0x00000001 #define MFI_INIT_READY 0x00000002 #define MFI_INIT_MFIMODE 0x00000004 #define MFI_INIT_CLEAR_HANDSHAKE 0x00000008 #define MFI_INIT_HOTPLUG 0x00000010 #define MFI_STOP_ADP 0x00000020 #define MFI_RESET_FLAGS MFI_INIT_READY| \ MFI_INIT_MFIMODE| \ MFI_INIT_ABORT /** * MFI frame flags */ #define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE 0x0001 #define MFI_FRAME_SGL32 0x0000 #define MFI_FRAME_SGL64 0x0002 #define MFI_FRAME_SENSE32 0x0000 #define MFI_FRAME_SENSE64 0x0004 #define MFI_FRAME_DIR_NONE 0x0000 #define MFI_FRAME_DIR_WRITE 0x0008 #define MFI_FRAME_DIR_READ 0x0010 #define MFI_FRAME_DIR_BOTH 0x0018 /** * Definition for cmd_status */ #define MFI_CMD_STATUS_POLL_MODE 0xFF /** * MFI command opcodes */ #define MFI_CMD_INIT 0x00 #define MFI_CMD_LD_READ 0x01 #define MFI_CMD_LD_WRITE 0x02 #define MFI_CMD_LD_SCSI_IO 0x03 #define MFI_CMD_PD_SCSI_IO 0x04 #define MFI_CMD_DCMD 0x05 #define MFI_CMD_ABORT 0x06 #define MFI_CMD_SMP 0x07 #define MFI_CMD_STP 0x08 #define MR_DCMD_CTRL_GET_INFO 0x01010000 #define MR_DCMD_CTRL_CACHE_FLUSH 0x01101000 #define MR_FLUSH_CTRL_CACHE 0x01 #define MR_FLUSH_DISK_CACHE 0x02 #define MR_DCMD_CTRL_SHUTDOWN 0x01050000 #define MR_ENABLE_DRIVE_SPINDOWN 0x01 #define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100 #define MR_DCMD_CTRL_EVENT_GET 0x01040300 #define MR_DCMD_CTRL_EVENT_WAIT 0x01040500 #define MR_DCMD_LD_GET_PROPERTIES 0x03030000 #define MR_DCMD_CLUSTER 0x08000000 #define MR_DCMD_CLUSTER_RESET_ALL 0x08010100 #define MR_DCMD_CLUSTER_RESET_LD 0x08010200 /** * MFI command completion codes */ enum MFI_STAT { MFI_STAT_OK = 0x00, MFI_STAT_INVALID_CMD = 0x01, MFI_STAT_INVALID_DCMD = 0x02, MFI_STAT_INVALID_PARAMETER = 0x03, MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04, MFI_STAT_ABORT_NOT_POSSIBLE = 0x05, MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06, MFI_STAT_APP_IN_USE = 0x07, MFI_STAT_APP_NOT_INITIALIZED = 0x08, MFI_STAT_ARRAY_INDEX_INVALID = 0x09, MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a, MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b, MFI_STAT_DEVICE_NOT_FOUND = 0x0c, MFI_STAT_DRIVE_TOO_SMALL = 0x0d, MFI_STAT_FLASH_ALLOC_FAIL = 0x0e, MFI_STAT_FLASH_BUSY = 0x0f, MFI_STAT_FLASH_ERROR = 0x10, MFI_STAT_FLASH_IMAGE_BAD = 0x11, MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12, MFI_STAT_FLASH_NOT_OPEN = 0x13, MFI_STAT_FLASH_NOT_STARTED = 0x14, MFI_STAT_FLUSH_FAILED = 0x15, MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16, MFI_STAT_LD_CC_IN_PROGRESS = 0x17, MFI_STAT_LD_INIT_IN_PROGRESS = 0x18, MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19, MFI_STAT_LD_MAX_CONFIGURED = 0x1a, MFI_STAT_LD_NOT_OPTIMAL = 0x1b, MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c, MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d, MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e, MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f, MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20, MFI_STAT_MFC_HW_ERROR = 0x21, MFI_STAT_NO_HW_PRESENT = 0x22, MFI_STAT_NOT_FOUND = 0x23, MFI_STAT_NOT_IN_ENCL = 0x24, MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25, MFI_STAT_PD_TYPE_WRONG = 0x26, MFI_STAT_PR_DISABLED = 0x27, MFI_STAT_ROW_INDEX_INVALID = 0x28, MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29, MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a, MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b, MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c, MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d, MFI_STAT_SCSI_IO_FAILED = 0x2e, MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f, MFI_STAT_SHUTDOWN_FAILED = 0x30, MFI_STAT_TIME_NOT_SET = 0x31, MFI_STAT_WRONG_STATE = 0x32, MFI_STAT_LD_OFFLINE = 0x33, MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34, MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35, MFI_STAT_RESERVATION_IN_PROGRESS = 0x36, MFI_STAT_I2C_ERRORS_DETECTED = 0x37, MFI_STAT_PCI_ERRORS_DETECTED = 0x38, MFI_STAT_INVALID_STATUS = 0xFF }; /* * Number of mailbox bytes in DCMD message frame */ #define MFI_MBOX_SIZE 12 enum MR_EVT_CLASS { MR_EVT_CLASS_DEBUG = -2, MR_EVT_CLASS_PROGRESS = -1, MR_EVT_CLASS_INFO = 0, MR_EVT_CLASS_WARNING = 1, MR_EVT_CLASS_CRITICAL = 2, MR_EVT_CLASS_FATAL = 3, MR_EVT_CLASS_DEAD = 4, }; enum MR_EVT_LOCALE { MR_EVT_LOCALE_LD = 0x0001, MR_EVT_LOCALE_PD = 0x0002, MR_EVT_LOCALE_ENCL = 0x0004, MR_EVT_LOCALE_BBU = 0x0008, MR_EVT_LOCALE_SAS = 0x0010, MR_EVT_LOCALE_CTRL = 0x0020, MR_EVT_LOCALE_CONFIG = 0x0040, MR_EVT_LOCALE_CLUSTER = 0x0080, MR_EVT_LOCALE_ALL = 0xffff, }; enum MR_EVT_ARGS { MR_EVT_ARGS_NONE, MR_EVT_ARGS_CDB_SENSE, MR_EVT_ARGS_LD, MR_EVT_ARGS_LD_COUNT, MR_EVT_ARGS_LD_LBA, MR_EVT_ARGS_LD_OWNER, MR_EVT_ARGS_LD_LBA_PD_LBA, MR_EVT_ARGS_LD_PROG, MR_EVT_ARGS_LD_STATE, MR_EVT_ARGS_LD_STRIP, MR_EVT_ARGS_PD, MR_EVT_ARGS_PD_ERR, MR_EVT_ARGS_PD_LBA, MR_EVT_ARGS_PD_LBA_LD, MR_EVT_ARGS_PD_PROG, MR_EVT_ARGS_PD_STATE, MR_EVT_ARGS_PCI, MR_EVT_ARGS_RATE, MR_EVT_ARGS_STR, MR_EVT_ARGS_TIME, MR_EVT_ARGS_ECC, }; /* * SAS controller properties */ struct megasas_ctrl_prop { u16 seq_num; u16 pred_fail_poll_interval; u16 intr_throttle_count; u16 intr_throttle_timeouts; u8 rebuild_rate; u8 patrol_read_rate; u8 bgi_rate; u8 cc_rate; u8 recon_rate; u8 cache_flush_interval; u8 spinup_drv_count; u8 spinup_delay; u8 cluster_enable; u8 coercion_mode; u8 alarm_enable; u8 disable_auto_rebuild; u8 disable_battery_warn; u8 ecc_bucket_size; u16 ecc_bucket_leak_rate; u8 restore_hotspare_on_insertion; u8 expose_encl_devices; u8 reserved[38]; } __attribute__ ((packed)); /* * SAS controller information */ struct megasas_ctrl_info { /* * PCI device information */ struct { u16 vendor_id; u16 device_id; u16 sub_vendor_id; u16 sub_device_id; u8 reserved[24]; } __attribute__ ((packed)) pci; /* * Host interface information */ struct { u8 PCIX:1; u8 PCIE:1; u8 iSCSI:1; u8 SAS_3G:1; u8 reserved_0:4; u8 reserved_1[6]; u8 port_count; u64 port_addr[8]; } __attribute__ ((packed)) host_interface; /* * Device (backend) interface information */ struct { u8 SPI:1; u8 SAS_3G:1; u8 SATA_1_5G:1; u8 SATA_3G:1; u8 reserved_0:4; u8 reserved_1[6]; u8 port_count; u64 port_addr[8]; } __attribute__ ((packed)) device_interface; /* * List of components residing in flash. All str are null terminated */ u32 image_check_word; u32 image_component_count; struct { char name[8]; char version[32]; char build_date[16]; char built_time[16]; } __attribute__ ((packed)) image_component[8]; /* * List of flash components that have been flashed on the card, but * are not in use, pending reset of the adapter. This list will be * empty if a flash operation has not occurred. All stings are null * terminated */ u32 pending_image_component_count; struct { char name[8]; char version[32]; char build_date[16]; char build_time[16]; } __attribute__ ((packed)) pending_image_component[8]; u8 max_arms; u8 max_spans; u8 max_arrays; u8 max_lds; char product_name[80]; char serial_no[32]; /* * Other physical/controller/operation information. Indicates the * presence of the hardware */ struct { u32 bbu:1; u32 alarm:1; u32 nvram:1; u32 uart:1; u32 reserved:28; } __attribute__ ((packed)) hw_present; u32 current_fw_time; /* * Maximum data transfer sizes */ u16 max_concurrent_cmds; u16 max_sge_count; u32 max_request_size; /* * Logical and physical device counts */ u16 ld_present_count; u16 ld_degraded_count; u16 ld_offline_count; u16 pd_present_count; u16 pd_disk_present_count; u16 pd_disk_pred_failure_count; u16 pd_disk_failed_count; /* * Memory size information */ u16 nvram_size; u16 memory_size; u16 flash_size; /* * Error counters */ u16 mem_correctable_error_count; u16 mem_uncorrectable_error_count; /* * Cluster information */ u8 cluster_permitted; u8 cluster_active; /* * Additional max data transfer sizes */ u16 max_strips_per_io; /* * Controller capabilities structures */ struct { u32 raid_level_0:1; u32 raid_level_1:1; u32 raid_level_5:1; u32 raid_level_1E:1; u32 raid_level_6:1; u32 reserved:27; } __attribute__ ((packed)) raid_levels; struct { u32 rbld_rate:1; u32 cc_rate:1; u32 bgi_rate:1; u32 recon_rate:1; u32 patrol_rate:1; u32 alarm_control:1; u32 cluster_supported:1; u32 bbu:1; u32 spanning_allowed:1; u32 dedicated_hotspares:1; u32 revertible_hotspares:1; u32 foreign_config_import:1; u32 self_diagnostic:1; u32 mixed_redundancy_arr:1; u32 global_hot_spares:1; u32 reserved:17; } __attribute__ ((packed)) adapter_operations; struct { u32 read_policy:1; u32 write_policy:1; u32 io_policy:1; u32 access_policy:1; u32 disk_cache_policy:1; u32 reserved:27; } __attribute__ ((packed)) ld_operations; struct { u8 min; u8 max; u8 reserved[2]; } __attribute__ ((packed)) stripe_sz_ops; struct { u32 force_online:1; u32 force_offline:1; u32 force_rebuild:1; u32 reserved:29; } __attribute__ ((packed)) pd_operations; struct { u32 ctrl_supports_sas:1; u32 ctrl_supports_sata:1; u32 allow_mix_in_encl:1; u32 allow_mix_in_ld:1; u32 allow_sata_in_cluster:1; u32 reserved:27; } __attribute__ ((packed)) pd_mix_support; /* * Define ECC single-bit-error bucket information */ u8 ecc_bucket_count; u8 reserved_2[11]; /* * Include the controller properties (changeable items) */ struct megasas_ctrl_prop properties; /* * Define FW pkg version (set in envt v'bles on OEM basis) */ char package_version[0x60]; u8 pad[0x800 - 0x6a0]; } __attribute__ ((packed)); /* * =============================== * MegaRAID SAS driver definitions * =============================== */ #define MEGASAS_MAX_PD_CHANNELS 2 #define MEGASAS_MAX_LD_CHANNELS 2 #define MEGASAS_MAX_CHANNELS (MEGASAS_MAX_PD_CHANNELS + \ MEGASAS_MAX_LD_CHANNELS) #define MEGASAS_MAX_DEV_PER_CHANNEL 128 #define MEGASAS_DEFAULT_INIT_ID -1 #define MEGASAS_MAX_LUN 8 #define MEGASAS_MAX_LD 64 #define MEGASAS_DBG_LVL 1 /* * When SCSI mid-layer calls driver's reset routine, driver waits for * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note * that the driver cannot _actually_ abort or reset pending commands. While * it is waiting for the commands to complete, it prints a diagnostic message * every MEGASAS_RESET_NOTICE_INTERVAL seconds */ #define MEGASAS_RESET_WAIT_TIME 180 #define MEGASAS_RESET_NOTICE_INTERVAL 5 #define MEGASAS_IOCTL_CMD 0 /* * FW reports the maximum of number of commands that it can accept (maximum * commands that can be outstanding) at any time. The driver must report a * lower number to the mid layer because it can issue a few internal commands * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs * is shown below */ #define MEGASAS_INT_CMDS 32 /* * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit * SGLs based on the size of dma_addr_t */ #define IS_DMA64 (sizeof(dma_addr_t) == 8) #define MFI_OB_INTR_STATUS_MASK 0x00000002 #define MFI_POLL_TIMEOUT_SECS 10 #define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000 /* * register set for both 1068 and 1078 controllers * structure extended for 1078 registers */ struct megasas_register_set { u32 reserved_0[4]; /*0000h*/ u32 inbound_msg_0; /*0010h*/ u32 inbound_msg_1; /*0014h*/ u32 outbound_msg_0; /*0018h*/ u32 outbound_msg_1; /*001Ch*/ u32 inbound_doorbell; /*0020h*/ u32 inbound_intr_status; /*0024h*/ u32 inbound_intr_mask; /*0028h*/ u32 outbound_doorbell; /*002Ch*/ u32 outbound_intr_status; /*0030h*/ u32 outbound_intr_mask; /*0034h*/ u32 reserved_1[2]; /*0038h*/ u32 inbound_queue_port; /*0040h*/ u32 outbound_queue_port; /*0044h*/ u32 reserved_2[22]; /*0048h*/ u32 outbound_doorbell_clear; /*00A0h*/ u32 reserved_3[3]; /*00A4h*/ u32 outbound_scratch_pad ; /*00B0h*/ u32 reserved_4[3]; /*00B4h*/ u32 inbound_low_queue_port ; /*00C0h*/ u32 inbound_high_queue_port ; /*00C4h*/ u32 reserved_5; /*00C8h*/ u32 index_registers[820]; /*00CCh*/ } __attribute__ ((packed)); struct megasas_sge32 { u32 phys_addr; u32 length; } __attribute__ ((packed)); struct megasas_sge64 { u64 phys_addr; u32 length; } __attribute__ ((packed)); union megasas_sgl { struct megasas_sge32 sge32[1]; struct megasas_sge64 sge64[1]; } __attribute__ ((packed)); struct megasas_header { u8 cmd; /*00h */ u8 sense_len; /*01h */ u8 cmd_status; /*02h */ u8 scsi_status; /*03h */ u8 target_id; /*04h */ u8 lun; /*05h */ u8 cdb_len; /*06h */ u8 sge_count; /*07h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 timeout; /*12h */ u32 data_xferlen; /*14h */ } __attribute__ ((packed)); union megasas_sgl_frame { struct megasas_sge32 sge32[8]; struct megasas_sge64 sge64[5]; } __attribute__ ((packed)); struct megasas_init_frame { u8 cmd; /*00h */ u8 reserved_0; /*01h */ u8 cmd_status; /*02h */ u8 reserved_1; /*03h */ u32 reserved_2; /*04h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 reserved_3; /*12h */ u32 data_xfer_len; /*14h */ u32 queue_info_new_phys_addr_lo; /*18h */ u32 queue_info_new_phys_addr_hi; /*1Ch */ u32 queue_info_old_phys_addr_lo; /*20h */ u32 queue_info_old_phys_addr_hi; /*24h */ u32 reserved_4[6]; /*28h */ } __attribute__ ((packed)); struct megasas_init_queue_info { u32 init_flags; /*00h */ u32 reply_queue_entries; /*04h */ u32 reply_queue_start_phys_addr_lo; /*08h */ u32 reply_queue_start_phys_addr_hi; /*0Ch */ u32 producer_index_phys_addr_lo; /*10h */ u32 producer_index_phys_addr_hi; /*14h */ u32 consumer_index_phys_addr_lo; /*18h */ u32 consumer_index_phys_addr_hi; /*1Ch */ } __attribute__ ((packed)); struct megasas_io_frame { u8 cmd; /*00h */ u8 sense_len; /*01h */ u8 cmd_status; /*02h */ u8 scsi_status; /*03h */ u8 target_id; /*04h */ u8 access_byte; /*05h */ u8 reserved_0; /*06h */ u8 sge_count; /*07h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 timeout; /*12h */ u32 lba_count; /*14h */ u32 sense_buf_phys_addr_lo; /*18h */ u32 sense_buf_phys_addr_hi; /*1Ch */ u32 start_lba_lo; /*20h */ u32 start_lba_hi; /*24h */ union megasas_sgl sgl; /*28h */ } __attribute__ ((packed)); struct megasas_pthru_frame { u8 cmd; /*00h */ u8 sense_len; /*01h */ u8 cmd_status; /*02h */ u8 scsi_status; /*03h */ u8 target_id; /*04h */ u8 lun; /*05h */ u8 cdb_len; /*06h */ u8 sge_count; /*07h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 timeout; /*12h */ u32 data_xfer_len; /*14h */ u32 sense_buf_phys_addr_lo; /*18h */ u32 sense_buf_phys_addr_hi; /*1Ch */ u8 cdb[16]; /*20h */ union megasas_sgl sgl; /*30h */ } __attribute__ ((packed)); struct megasas_dcmd_frame { u8 cmd; /*00h */ u8 reserved_0; /*01h */ u8 cmd_status; /*02h */ u8 reserved_1[4]; /*03h */ u8 sge_count; /*07h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 timeout; /*12h */ u32 data_xfer_len; /*14h */ u32 opcode; /*18h */ union { /*1Ch */ u8 b[12]; u16 s[6]; u32 w[3]; } mbox; union megasas_sgl sgl; /*28h */ } __attribute__ ((packed)); struct megasas_abort_frame { u8 cmd; /*00h */ u8 reserved_0; /*01h */ u8 cmd_status; /*02h */ u8 reserved_1; /*03h */ u32 reserved_2; /*04h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 reserved_3; /*12h */ u32 reserved_4; /*14h */ u32 abort_context; /*18h */ u32 pad_1; /*1Ch */ u32 abort_mfi_phys_addr_lo; /*20h */ u32 abort_mfi_phys_addr_hi; /*24h */ u32 reserved_5[6]; /*28h */ } __attribute__ ((packed)); struct megasas_smp_frame { u8 cmd; /*00h */ u8 reserved_1; /*01h */ u8 cmd_status; /*02h */ u8 connection_status; /*03h */ u8 reserved_2[3]; /*04h */ u8 sge_count; /*07h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 timeout; /*12h */ u32 data_xfer_len; /*14h */ u64 sas_addr; /*18h */ union { struct megasas_sge32 sge32[2]; /* [0]: resp [1]: req */ struct megasas_sge64 sge64[2]; /* [0]: resp [1]: req */ } sgl; } __attribute__ ((packed)); struct megasas_stp_frame { u8 cmd; /*00h */ u8 reserved_1; /*01h */ u8 cmd_status; /*02h */ u8 reserved_2; /*03h */ u8 target_id; /*04h */ u8 reserved_3[2]; /*05h */ u8 sge_count; /*07h */ u32 context; /*08h */ u32 pad_0; /*0Ch */ u16 flags; /*10h */ u16 timeout; /*12h */ u32 data_xfer_len; /*14h */ u16 fis[10]; /*18h */ u32 stp_flags; union { struct megasas_sge32 sge32[2]; /* [0]: resp [1]: data */ struct megasas_sge64 sge64[2]; /* [0]: resp [1]: data */ } sgl; } __attribute__ ((packed)); union megasas_frame { struct megasas_header hdr; struct megasas_init_frame init; struct megasas_io_frame io; struct megasas_pthru_frame pthru; struct megasas_dcmd_frame dcmd; struct megasas_abort_frame abort; struct megasas_smp_frame smp; struct megasas_stp_frame stp; u8 raw_bytes[64]; }; struct megasas_cmd; union megasas_evt_class_locale { struct { u16 locale; u8 reserved; s8 class; } __attribute__ ((packed)) members; u32 word; } __attribute__ ((packed)); struct megasas_evt_log_info { u32 newest_seq_num; u32 oldest_seq_num; u32 clear_seq_num; u32 shutdown_seq_num; u32 boot_seq_num; } __attribute__ ((packed)); struct megasas_progress { u16 progress; u16 elapsed_seconds; } __attribute__ ((packed)); struct megasas_evtarg_ld { u16 target_id; u8 ld_index; u8 reserved; } __attribute__ ((packed)); struct megasas_evtarg_pd { u16 device_id; u8 encl_index; u8 slot_number; } __attribute__ ((packed)); struct megasas_evt_detail { u32 seq_num; u32 time_stamp; u32 code; union megasas_evt_class_locale cl; u8 arg_type; u8 reserved1[15]; union { struct { struct megasas_evtarg_pd pd; u8 cdb_length; u8 sense_length; u8 reserved[2]; u8 cdb[16]; u8 sense[64]; } __attribute__ ((packed)) cdbSense; struct megasas_evtarg_ld ld; struct { struct megasas_evtarg_ld ld; u64 count; } __attribute__ ((packed)) ld_count; struct { u64 lba; struct megasas_evtarg_ld ld; } __attribute__ ((packed)) ld_lba; struct { struct megasas_evtarg_ld ld; u32 prevOwner; u32 newOwner; } __attribute__ ((packed)) ld_owner; struct { u64 ld_lba; u64 pd_lba; struct megasas_evtarg_ld ld; struct megasas_evtarg_pd pd; } __attribute__ ((packed)) ld_lba_pd_lba; struct { struct megasas_evtarg_ld ld; struct megasas_progress prog; } __attribute__ ((packed)) ld_prog; struct { struct megasas_evtarg_ld ld; u32 prev_state; u32 new_state; } __attribute__ ((packed)) ld_state; struct { u64 strip; struct megasas_evtarg_ld ld; } __attribute__ ((packed)) ld_strip; struct megasas_evtarg_pd pd; struct { struct megasas_evtarg_pd pd; u32 err; } __attribute__ ((packed)) pd_err; struct { u64 lba; struct megasas_evtarg_pd pd; } __attribute__ ((packed)) pd_lba; struct { u64 lba; struct megasas_evtarg_pd pd; struct megasas_evtarg_ld ld; } __attribute__ ((packed)) pd_lba_ld; struct { struct megasas_evtarg_pd pd; struct megasas_progress prog; } __attribute__ ((packed)) pd_prog; struct { struct megasas_evtarg_pd pd; u32 prevState; u32 newState; } __attribute__ ((packed)) pd_state; struct { u16 vendorId; u16 deviceId; u16 subVendorId; u16 subDeviceId; } __attribute__ ((packed)) pci; u32 rate; char str[96]; struct { u32 rtc; u32 elapsedSeconds; } __attribute__ ((packed)) time; struct { u32 ecar; u32 elog; char str[64]; } __attribute__ ((packed)) ecc; u8 b[96]; u16 s[48]; u32 w[24]; u64 d[12]; } args; char description[128]; } __attribute__ ((packed)); struct megasas_instance_template { void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *); void (*enable_intr)(struct megasas_register_set __iomem *) ; void (*disable_intr)(struct megasas_register_set __iomem *); int (*clear_intr)(struct megasas_register_set __iomem *); u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *); }; struct megasas_instance { u32 *producer; dma_addr_t producer_h; u32 *consumer; dma_addr_t consumer_h; u32 *reply_queue; dma_addr_t reply_queue_h; unsigned long base_addr; struct megasas_register_set __iomem *reg_set; s8 init_id; u8 reserved[3]; u16 max_num_sge; u16 max_fw_cmds; u32 max_sectors_per_req; struct megasas_cmd **cmd_list; struct list_head cmd_pool; spinlock_t cmd_pool_lock; struct dma_pool *frame_dma_pool; struct dma_pool *sense_dma_pool; struct megasas_evt_detail *evt_detail; dma_addr_t evt_detail_h; struct megasas_cmd *aen_cmd; struct semaphore aen_mutex; struct semaphore ioctl_sem; struct Scsi_Host *host; wait_queue_head_t int_cmd_wait_q; wait_queue_head_t abort_cmd_wait_q; struct pci_dev *pdev; u32 unique_id; atomic_t fw_outstanding; u32 hw_crit_error; struct megasas_instance_template *instancet; struct tasklet_struct isr_tasklet; }; #define MEGASAS_IS_LOGICAL(scp) \ (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1 #define MEGASAS_DEV_INDEX(inst, scp) \ ((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \ scp->device->id struct megasas_cmd { union megasas_frame *frame; dma_addr_t frame_phys_addr; u8 *sense; dma_addr_t sense_phys_addr; u32 index; u8 sync_cmd; u8 cmd_status; u16 abort_aen; struct list_head list; struct scsi_cmnd *scmd; struct megasas_instance *instance; u32 frame_count; }; #define MAX_MGMT_ADAPTERS 1024 #define MAX_IOCTL_SGE 16 struct megasas_iocpacket { u16 host_no; u16 __pad1; u32 sgl_off; u32 sge_count; u32 sense_off; u32 sense_len; union { u8 raw[128]; struct megasas_header hdr; } frame; struct iovec sgl[MAX_IOCTL_SGE]; } __attribute__ ((packed)); struct megasas_aen { u16 host_no; u16 __pad1; u32 seq_num; u32 class_locale_word; } __attribute__ ((packed)); #ifdef CONFIG_COMPAT struct compat_megasas_iocpacket { u16 host_no; u16 __pad1; u32 sgl_off; u32 sge_count; u32 sense_off; u32 sense_len; union { u8 raw[128]; struct megasas_header hdr; } frame; struct compat_iovec sgl[MAX_IOCTL_SGE]; } __attribute__ ((packed)); #define MEGASAS_IOC_FIRMWARE32 _IOWR('M', 1, struct compat_megasas_iocpacket) #endif #define MEGASAS_IOC_FIRMWARE _IOWR('M', 1, struct megasas_iocpacket) #define MEGASAS_IOC_GET_AEN _IOW('M', 3, struct megasas_aen) struct megasas_mgmt_info { u16 count; struct megasas_instance *instance[MAX_MGMT_ADAPTERS]; int max_index; }; #endif /*LSI_MEGARAID_SAS_H */