/*- * Copyright (c) 2001 Michael Smith * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/sys/dev/ciss/cissreg.h,v 1.1.2.2 2003/02/06 21:42:59 ps Exp $ * $DragonFly: src/sys/dev/raid/ciss/cissreg.h,v 1.2 2003/06/17 04:28:23 dillon Exp $ */ /* * Structure and I/O definitions for the Command Interface for SCSI-3 Support. * * Data in command CDBs are in big-endian format. All other data is little-endian. * This header only supports little-endian hosts at this time. */ union ciss_device_address { struct /* MODE_PERIPHERAL and MODE_MASK_PERIPHERAL */ { u_int32_t target:24; /* SCSI target */ u_int32_t bus:6; /* SCSI bus */ u_int32_t mode:2; /* CISS_HDR_ADDRESS_MODE_* */ u_int32_t extra_address; /* SCSI-3 level-2 and level-3 address bytes */ } physical; struct /* MODE_LOGICAL */ { u_int32_t lun:30; /* logical device ID */ u_int32_t mode:2; /* CISS_HDR_ADDRESS_MODE_LOGICAL */ u_int32_t :32; /* reserved */ } logical; struct { u_int32_t :30; u_int32_t mode:2; u_int32_t :32; } mode; }; #define CISS_HDR_ADDRESS_MODE_PERIPHERAL 0x0 #define CISS_HDR_ADDRESS_MODE_LOGICAL 0x1 #define CISS_HDR_ADDRESS_MODE_MASK_PERIPHERAL 0x3 struct ciss_header { u_int8_t :8; /* reserved */ u_int8_t sg_in_list; /* SG's in the command structure */ u_int16_t sg_total; /* total count of SGs for this command */ u_int32_t host_tag; /* host identifier, bits 0&1 must be clear */ #define CISS_HDR_HOST_TAG_ERROR (1<<1) u_int32_t host_tag_zeroes; /* tag is 64 bits, but interface only supports 32 */ union ciss_device_address address; } __attribute__ ((packed)); struct ciss_cdb { u_int8_t cdb_length; /* valid CDB bytes */ u_int8_t type:3; #define CISS_CDB_TYPE_COMMAND 0 #define CISS_CDB_TYPE_MESSAGE 1 u_int8_t attribute:3; #define CISS_CDB_ATTRIBUTE_UNTAGGED 0 #define CISS_CDB_ATTRIBUTE_SIMPLE 4 #define CISS_CDB_ATTRIBUTE_HEAD_OF_QUEUE 5 #define CISS_CDB_ATTRIBUTE_ORDERED 6 #define CISS_CDB_ATTRIBUTE_AUTO_CONTINGENT 7 u_int8_t direction:2; #define CISS_CDB_DIRECTION_NONE 0 #define CISS_CDB_DIRECTION_READ 1 #define CISS_CDB_DIRECTION_WRITE 2 u_int16_t timeout; /* seconds */ #define CISS_CDB_BUFFER_SIZE 16 u_int8_t cdb[CISS_CDB_BUFFER_SIZE]; } __attribute__ ((packed)); struct ciss_error_info_pointer { u_int64_t error_info_address; /* points to ciss_error_info structure */ u_int32_t error_info_length; } __attribute__ ((packed)); struct ciss_error_info { u_int8_t scsi_status; #define CISS_SCSI_STATUS_GOOD 0x00 /* these are scsi-standard values */ #define CISS_SCSI_STATUS_CHECK_CONDITION 0x02 #define CISS_SCSI_STATUS_CONDITION_MET 0x04 #define CISS_SCSI_STATUS_BUSY 0x08 #define CISS_SCSI_STATUS_INDETERMINATE 0x10 #define CISS_SCSI_STATUS_INDETERMINATE_CM 0x14 #define CISS_SCSI_STATUS_RESERVATION_CONFLICT 0x18 #define CISS_SCSI_STATUS_COMMAND_TERMINATED 0x22 #define CISS_SCSI_STATUS_QUEUE_FULL 0x28 #define CISS_SCSI_STATUS_ACA_ACTIVE 0x30 u_int8_t sense_length; u_int16_t command_status; #define CISS_CMD_STATUS_SUCCESS 0 #define CISS_CMD_STATUS_TARGET_STATUS 1 #define CISS_CMD_STATUS_DATA_UNDERRUN 2 #define CISS_CMD_STATUS_DATA_OVERRUN 3 #define CISS_CMD_STATUS_INVALID_COMMAND 4 #define CISS_CMD_STATUS_PROTOCOL_ERROR 5 #define CISS_CMD_STATUS_HARDWARE_ERROR 6 #define CISS_CMD_STATUS_CONNECTION_LOST 7 #define CISS_CMD_STATUS_ABORTED 8 #define CISS_CMD_STATUS_ABORT_FAILED 9 #define CISS_CMD_STATUS_UNSOLICITED_ABORT 10 #define CISS_CMD_STATUS_TIMEOUT 11 #define CISS_CMD_STATUS_UNABORTABLE 12 u_int32_t residual_count; union { struct { u_int8_t res1[3]; u_int8_t type; u_int32_t error_info; } common_info __attribute__ ((packed)); struct { u_int8_t res1[2]; u_int8_t offense_size; u_int8_t offense_offset; u_int32_t offense_value; } invalid_command __attribute__ ((packed)); } additional_error_info; u_int8_t sense_info[0]; } __attribute__ ((packed)); struct ciss_sg_entry { u_int64_t address; #define CISS_SG_ADDRESS_BITBUCKET (~(u_int64_t)0) u_int32_t length; u_int32_t :31; u_int32_t extension:1; /* address points to another s/g chain */ } __attribute__ ((packed)); struct ciss_command { struct ciss_header header; struct ciss_cdb cdb; struct ciss_error_info_pointer error_info; struct ciss_sg_entry sg[0]; } __attribute__ ((packed)); #define CISS_OPCODE_REPORT_LOGICAL_LUNS 0xc2 #define CISS_OPCODE_REPORT_PHYSICAL_LUNS 0xc3 struct ciss_lun_report { u_int32_t list_size; /* big-endian */ u_int32_t :32; union ciss_device_address lun[0]; } __attribute__ ((packed)); #define CISS_VPD_LOGICAL_DRIVE_GEOMETRY 0xc1 struct ciss_ldrive_geometry { u_int8_t periph_qualifier:3; u_int8_t periph_devtype:5; u_int8_t page_code; u_int8_t res1; u_int8_t page_length; u_int16_t cylinders; /* big-endian */ u_int8_t heads; u_int8_t sectors; u_int8_t fault_tolerance; u_int8_t res2[3]; } __attribute__ ((packed)); struct ciss_report_cdb { u_int8_t opcode; u_int8_t reserved[5]; u_int32_t length; /* big-endian */ u_int8_t :8; u_int8_t control; } __attribute__ ((packed)); /* * Note that it's not clear whether we have to set the detail field to * the tag of the command to be aborted, or the tag field in the command itself; * documentation conflicts on this. */ #define CISS_OPCODE_MESSAGE_ABORT 0x00 #define CISS_MESSAGE_ABORT_TASK 0x00 #define CISS_MESSAGE_ABORT_TASK_SET 0x01 #define CISS_MESSAGE_ABORT_CLEAR_ACA 0x02 #define CISS_MESSAGE_ABORT_CLEAR_TASK_SET 0x03 #define CISS_OPCODE_MESSAGE_RESET 0x01 #define CISS_MESSAGE_RESET_CONTROLLER 0x00 #define CISS_MESSAGE_RESET_BUS 0x01 #define CISS_MESSAGE_RESET_TARGET 0x03 #define CISS_MESSAGE_RESET_LOGICAL_UNIT 0x04 #define CISS_OPCODE_MESSAGE_SCAN 0x02 #define CISS_MESSAGE_SCAN_CONTROLLER 0x00 #define CISS_MESSAGE_SCAN_BUS 0x01 #define CISS_MESSAGE_SCAN_TARGET 0x03 #define CISS_MESSAGE_SCAN_LOGICAL_UNIT 0x04 #define CISS_OPCODE_MESSAGE_NOP 0x03 struct ciss_message_cdb { u_int8_t opcode; u_int8_t type; u_int16_t :16; u_int32_t abort_tag; /* XXX endianness? */ u_int8_t reserved[8]; } __attribute__ ((packed)); /* * CISS vendor-specific commands/messages. * * Note that while messages and vendor-specific commands are * differentiated, they are handled in basically the same way and can * be considered to be basically the same thing, as long as the cdb * type field is set correctly. */ #define CISS_OPCODE_READ 0xc0 #define CISS_OPCODE_WRITE 0xc1 #define CISS_COMMAND_NOTIFY_ON_EVENT 0xd0 #define CISS_COMMAND_ABORT_NOTIFY 0xd1 struct ciss_notify_cdb { u_int8_t opcode; u_int8_t command; u_int8_t res1[2]; u_int16_t timeout; /* seconds, little-endian */ u_int8_t res2; /* reserved */ u_int8_t synchronous:1; /* return immediately */ u_int8_t ordered:1; /* return events in recorded order */ u_int8_t seek_to_oldest:1; /* reset read counter to oldest event */ u_int8_t new_only:1; /* ignore any queued events */ u_int8_t :4; u_int32_t length; /* must be 512, little-endian */ #define CISS_NOTIFY_DATA_SIZE 512 u_int8_t control; } __attribute__ ((packed)); #define CISS_NOTIFY_NOTIFIER 0 #define CISS_NOTIFY_NOTIFIER_STATUS 0 #define CISS_NOTIFY_NOTIFIER_PROTOCOL 1 #define CISS_NOTIFY_HOTPLUG 1 #define CISS_NOTIFY_HOTPLUG_PHYSICAL 0 #define CISS_NOTIFY_HOTPLUG_POWERSUPPLY 1 #define CISS_NOTIFY_HOTPLUG_FAN 2 #define CISS_NOTIFY_HOTPLUG_POWER 3 #define CISS_NOTIFY_HOTPLUG_REDUNDANT 4 #define CISS_NOTIFY_HARDWARE 2 #define CISS_NOTIFY_HARDWARE_CABLES 0 #define CISS_NOTIFY_HARDWARE_MEMORY 1 #define CISS_NOTIFY_HARDWARE_FAN 2 #define CISS_NOTIFY_HARDWARE_VRM 3 #define CISS_NOTIFY_ENVIRONMENT 3 #define CISS_NOTIFY_ENVIRONMENT_TEMPERATURE 0 #define CISS_NOTIFY_ENVIRONMENT_POWERSUPPLY 1 #define CISS_NOTIFY_ENVIRONMENT_CHASSIS 2 #define CISS_NOTIFY_ENVIRONMENT_POWER 3 #define CISS_NOTIFY_PHYSICAL 4 #define CISS_NOTIFY_PHYSICAL_STATE 0 #define CISS_NOTIFY_LOGICAL 5 #define CISS_NOTIFY_LOGICAL_STATUS 0 #define CISS_NOTIFY_LOGICAL_ERROR 1 #define CISS_NOTIFY_LOGICAL_SURFACE 2 #define CISS_NOTIFY_REDUNDANT 6 #define CISS_NOTIFY_REDUNDANT_STATUS 0 #define CISS_NOTIFY_CISS 8 #define CISS_NOTIFY_CISS_REDUNDANT_CHANGE 0 #define CISS_NOTIFY_CISS_PATH_STATUS 1 #define CISS_NOTIFY_CISS_HARDWARE_ERROR 2 #define CISS_NOTIFY_CISS_LOGICAL 3 struct ciss_notify_drive { u_int16_t physical_drive_number; u_int8_t configured_drive_flag; u_int8_t spare_drive_flag; u_int8_t big_physical_drive_number; u_int8_t enclosure_bay_number; } __attribute__ ((packed)); struct ciss_notify_locator { u_int16_t port; u_int16_t id; u_int16_t box; } __attribute__ ((packed)); struct ciss_notify_redundant_controller { u_int16_t slot; } __attribute__ ((packed)); struct ciss_notify_logical_status { u_int16_t logical_drive; u_int8_t previous_state; u_int8_t new_state; u_int8_t spare_state; } __attribute__ ((packed)); struct ciss_notify_rebuild_aborted { u_int16_t logical_drive; u_int8_t replacement_drive; u_int8_t error_drive; u_int8_t big_replacement_drive; u_int8_t big_error_drive; } __attribute__ ((packed)); struct ciss_notify_io_error { u_int16_t logical_drive; u_int32_t lba; u_int16_t block_count; u_int8_t command; u_int8_t failure_bus; u_int8_t failure_drive; u_int64_t big_lba; } __attribute__ ((packed)); struct ciss_notify_consistency_completed { u_int16_t logical_drive; } __attribute__ ((packed)); struct ciss_notify { u_int32_t timestamp; /* seconds since controller power-on */ u_int16_t class; u_int16_t subclass; u_int16_t detail; union { struct ciss_notify_drive drive; struct ciss_notify_locator location; struct ciss_notify_redundant_controller redundant_controller; struct ciss_notify_logical_status logical_status; struct ciss_notify_rebuild_aborted rebuild_aborted; struct ciss_notify_io_error io_error; struct ciss_notify_consistency_completed consistency_completed; u_int8_t data[64]; } data; char message[80]; u_int32_t tag; u_int16_t date; u_int16_t year; u_int32_t time; u_int16_t pre_power_up_time; union ciss_device_address device; /* XXX pads to 512 bytes */ } __attribute__ ((packed)); /* * CISS config table, which describes the controller's * supported interface(s) and capabilities. * * This is mapped directly via PCI. */ struct ciss_config_table { char signature[4]; /* "CISS" */ u_int32_t valence; #define CISS_MIN_VALENCE 1 /* only value currently supported */ #define CISS_MAX_VALENCE 1 u_int32_t supported_methods; #define CISS_TRANSPORT_METHOD_READY (1<<0) #define CISS_TRANSPORT_METHOD_SIMPLE (1<<1) u_int32_t active_method; u_int32_t requested_method; u_int32_t command_physlimit; u_int32_t interrupt_coalesce_delay; u_int32_t interrupt_coalesce_count; u_int32_t max_outstanding_commands; u_int32_t bus_types; #define CISS_TRANSPORT_BUS_TYPE_ULTRA2 (1<<0) #define CISS_TRANSPORT_BUS_TYPE_ULTRA3 (1<<1) #define CISS_TRANSPORT_BUS_TYPE_FIBRE1 (1<<8) #define CISS_TRANSPORT_BUS_TYPE_FIBRE2 (1<<9) u_int32_t host_driver; #define CISS_DRIVER_SUPPORT_UNIT_ATTENTION (1<<0) #define CISS_DRIVER_QUICK_INIT (1<<1) #define CISS_DRIVER_INTERRUPT_ON_LOCKUP (1<<2) #define CISS_DRIVER_SUPPORT_MIXED_Q_TAGS (1<<3) #define CISS_DRIVER_HOST_IS_ALPHA (1<<4) char server_name[16]; u_int32_t heartbeat; } __attribute__ ((packed)); /* * In a flagrant violation of what CISS seems to be meant to be about, * Compaq recycle a goodly portion of their previous generation's * command set (and all the legacy baggage related to a design * originally aimed at narrow SCSI) through the Array Controller Read * and Array Controller Write interface. * * Command ID values here can be looked up for in the * publically-available documentation for the older controllers; note * that the command layout is necessarily different to fit within the * CDB. */ #define CISS_ARRAY_CONTROLLER_READ 0x26 #define CISS_ARRAY_CONTROLLER_WRITE 0x27 #define CISS_BMIC_ID_LDRIVE 0x10 #define CISS_BMIC_ID_CTLR 0x11 #define CISS_BMIC_ID_LSTATUS 0x12 #define CISS_BMIC_ID_PDRIVE 0x15 #define CISS_BMIC_BLINK_PDRIVE 0x16 #define CISS_BMIC_SENSE_BLINK_PDRIVE 0x17 #define CISS_BMIC_FLUSH_CACHE 0xc2 #define CISS_BMIC_ACCEPT_MEDIA 0xe0 /* * When numbering drives, the original design assumed that * drives 0-7 are on the first SCSI bus, 8-15 on the second, * and so forth. In order to handle modern SCSI configurations, * the MSB is set in the drive ID field, in which case the * modulus changes from 8 to the number of supported drives * per SCSI bus (as obtained from the ID_CTLR command). * This feature is referred to as BIG_MAP support, and we assume * that all CISS controllers support it. */ #define CISS_BIG_MAP_ID(sc, bus, target) \ (0x80 | \ ((sc)->ciss_id->drives_per_scsi_bus * (bus)) | \ (target)) #define CISS_BIG_MAP_BUS(sc, id) \ (((id) & 0x80) ? (((id) & ~0x80) / (sc)->ciss_id->drives_per_scsi_bus) : -1) #define CISS_BIG_MAP_TARGET(sc, id) \ (((id) & 0x80) ? (((id) & ~0x80) % (sc)->ciss_id->drives_per_scsi_bus) : -1) #define CISS_BIG_MAP_ENTRIES 128 /* number of entries in a BIG_MAP */ /* * BMIC CDB * * Note that the phys_drive/res1 field is nominally the 32-bit * "block number" field, but the only BMIC command(s) of interest * implemented overload the MSB (note big-endian format here) * to be the physical drive ID, so we define accordingly. */ struct ciss_bmic_cdb { u_int8_t opcode; u_int8_t log_drive; u_int8_t phys_drive; u_int8_t res1[3]; u_int8_t bmic_opcode; u_int16_t size; /* big-endian */ u_int8_t res2; } __attribute__ ((packed)); /* * BMIC command command/return structures. */ /* CISS_BMIC_ID_LDRIVE */ struct ciss_bmic_id_ldrive { u_int16_t block_size; u_int32_t blocks_available; u_int8_t drive_parameter_table[16]; /* XXX define */ u_int8_t fault_tolerance; #define CISS_LDRIVE_RAID0 0 #define CISS_LDRIVE_RAID4 1 #define CISS_LDRIVE_RAID1 2 #define CISS_LDRIVE_RAID5 3 u_int8_t res1[2]; #if 0 /* only for identify logical drive extended (0x18) */ u_int32_t logical_drive_identifier; char logical_drive_label[64]; #endif } __attribute__ ((packed)); /* CISS_BMIC_ID_LSTATUS */ struct ciss_bmic_id_lstatus { u_int8_t status; #define CISS_LSTATUS_OK 0 #define CISS_LSTATUS_FAILED 1 #define CISS_LSTATUS_NOT_CONFIGURED 2 #define CISS_LSTATUS_INTERIM_RECOVERY 3 #define CISS_LSTATUS_READY_RECOVERY 4 #define CISS_LSTATUS_RECOVERING 5 #define CISS_LSTATUS_WRONG_PDRIVE 6 #define CISS_LSTATUS_MISSING_PDRIVE 7 #define CISS_LSTATUS_EXPANDING 10 #define CISS_LSTATUS_BECOMING_READY 11 #define CISS_LSTATUS_QUEUED_FOR_EXPANSION 12 u_int32_t deprecated_drive_failure_map; u_int8_t res1[416]; u_int32_t blocks_to_recover; u_int8_t deprecated_drive_rebuilding; u_int16_t deprecated_remap_count[32]; u_int32_t deprecated_replacement_map; u_int32_t deprecated_active_spare_map; u_int8_t spare_configured:1; u_int8_t spare_rebuilding:1; u_int8_t spare_rebuilt:1; u_int8_t spare_failed:1; u_int8_t spare_switched:1; u_int8_t spare_available:1; u_int8_t res2:2; u_int8_t deprecated_spare_to_replace_map[32]; u_int32_t deprecated_replaced_marked_ok_map; u_int8_t media_exchanged; u_int8_t cache_failure; u_int8_t expand_failure; u_int8_t rebuild_read_failure:1; u_int8_t rebuild_write_failure:1; u_int8_t res3:6; u_int8_t drive_failure_map[CISS_BIG_MAP_ENTRIES / 8]; u_int16_t remap_count[CISS_BIG_MAP_ENTRIES]; u_int8_t replacement_map[CISS_BIG_MAP_ENTRIES / 8]; u_int8_t active_spare_map[CISS_BIG_MAP_ENTRIES / 8]; u_int8_t spare_to_replace_map[CISS_BIG_MAP_ENTRIES]; u_int8_t replaced_marked_ok_map[CISS_BIG_MAP_ENTRIES / 8]; u_int8_t drive_rebuilding; } __attribute__ ((packed)); /* CISS_BMIC_ID_CTLR */ struct ciss_bmic_id_table { u_int8_t configured_logical_drives; u_int32_t config_signature; char running_firmware_revision[4]; char stored_firmware_revision[4]; u_int8_t hardware_revision; u_int8_t res1[4]; u_int32_t deprecated_drive_present_map; u_int32_t deprecated_external_drive_present_map; u_int32_t board_id; u_int8_t res2; u_int32_t deprecated_non_disk_map; u_int8_t res3[5]; char marketting_revision; u_int8_t res4:3; u_int8_t more_than_seven_supported:1; u_int8_t res5:3; u_int8_t big_map_supported:1; /* must be set! */ u_int8_t res6[2]; u_int8_t scsi_bus_count; u_int32_t res7; u_int32_t controller_clock; u_int8_t drives_per_scsi_bus; u_int8_t big_drive_present_map[CISS_BIG_MAP_ENTRIES / 8]; u_int8_t big_external_drive_present_map[CISS_BIG_MAP_ENTRIES / 8]; u_int8_t big_non_disk_map[CISS_BIG_MAP_ENTRIES / 8]; } __attribute__ ((packed)); /* CISS_BMIC_ID_PDRIVE */ struct ciss_bmic_id_pdrive { u_int8_t scsi_bus; u_int8_t scsi_id; u_int16_t block_size; u_int32_t total_blocks; u_int32_t reserved_blocks; char model[40]; char serial[40]; char revision[8]; u_int8_t inquiry_bits; u_int8_t res1[2]; u_int8_t drive_present:1; u_int8_t non_disk:1; u_int8_t wide:1; u_int8_t synchronous:1; u_int8_t narrow:1; u_int8_t wide_downgraded_to_narrow:1; u_int8_t ultra:1; u_int8_t ultra2:1; u_int8_t SMART:1; u_int8_t SMART_errors_recorded:1; u_int8_t SMART_errors_enabled:1; u_int8_t SMART_errors_detected:1; u_int8_t external:1; u_int8_t configured:1; u_int8_t configured_spare:1; u_int8_t cache_saved_enabled:1; u_int8_t res2; u_int8_t res3:6; u_int8_t cache_currently_enabled:1; u_int8_t cache_safe:1; u_int8_t res4[5]; char connector[2]; u_int8_t res5; u_int8_t bay; } __attribute__ ((packed)); /* CISS_BMIC_BLINK_PDRIVE */ /* CISS_BMIC_SENSE_BLINK_PDRIVE */ struct ciss_bmic_blink_pdrive { u_int32_t blink_duration; /* 10ths of a second */ u_int32_t duration_elapsed; /* only for sense command */ u_int8_t blinktab[256]; #define CISS_BMIC_BLINK_ALL 1 #define CISS_BMIC_BLINK_TIMED 2 u_int8_t res2[248]; } __attribute__ ((packed)); /* CISS_BMIC_FLUSH_CACHE */ struct ciss_bmic_flush_cache { u_int16_t flag; #define CISS_BMIC_FLUSH_AND_ENABLE 0 #define CISS_BMIC_FLUSH_AND_DISABLE 1 u_int8_t res1[510]; } __attribute__ ((packed)); #ifdef _KERNEL /* * CISS "simple" transport layer. * * Note that there are two slightly different versions of this interface * with different interrupt mask bits. There's nothing like consistency... */ #define CISS_TL_SIMPLE_BAR_REGS 0x10 /* BAR pointing to register space */ #define CISS_TL_SIMPLE_BAR_CFG 0x14 /* BAR pointing to space containing config table */ #define CISS_TL_SIMPLE_IDBR 0x20 /* inbound doorbell register */ #define CISS_TL_SIMPLE_IDBR_CFG_TABLE (1<<0) /* notify controller of config table update */ #define CISS_TL_SIMPLE_ISR 0x30 /* interrupt status register */ #define CISS_TL_SIMPLE_IMR 0x34 /* interrupt mask register */ #define CISS_TL_SIMPLE_INTR_OPQ_SA5 (1<<3) /* OPQ not empty interrupt, SA5 boards */ #define CISS_TL_SIMPLE_INTR_OPQ_SA5B (1<<2) /* OPQ not empty interrupt, SA5B boards */ #define CISS_TL_SIMPLE_IPQ 0x40 /* inbound post queue */ #define CISS_TL_SIMPLE_OPQ 0x44 /* outbound post queue */ #define CISS_TL_SIMPLE_OPQ_EMPTY (~(u_int32_t)0) #define CISS_TL_SIMPLE_CFG_BAR 0xb4 /* should be 0x14 */ #define CISS_TL_SIMPLE_CFG_OFF 0xb8 /* offset in BAR at which config table is located */ /* * Register access primitives. */ #define CISS_TL_SIMPLE_READ(sc, ofs) \ bus_space_read_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs) #define CISS_TL_SIMPLE_WRITE(sc, ofs, val) \ bus_space_write_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs, val) #define CISS_TL_SIMPLE_POST_CMD(sc, phys) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IPQ, phys) #define CISS_TL_SIMPLE_FETCH_CMD(sc) CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_OPQ) /* * XXX documentation conflicts with the Linux driver as to whether setting or clearing * bits masks interrupts */ #define CISS_TL_SIMPLE_DISABLE_INTERRUPTS(sc) \ CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \ CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) | (sc)->ciss_interrupt_mask) #define CISS_TL_SIMPLE_ENABLE_INTERRUPTS(sc) \ CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \ CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) & ~(sc)->ciss_interrupt_mask) #define CISS_TL_SIMPLE_OPQ_INTERRUPT(sc) \ (CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_ISR) & (sc)->ciss_interrupt_mask) #endif /* _KERNEL */