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linux_dsm_epyc7002/drivers/scsi/megaraid/mbox_defs.h
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
*
* Linux MegaRAID Unified device driver
*
* Copyright (c) 2003-2004 LSI Logic Corporation.
*
* FILE : mbox_defs.h
*/
#ifndef _MRAID_MBOX_DEFS_H_
#define _MRAID_MBOX_DEFS_H_
#include <linux/types.h>
/*
* Commands and states for mailbox based controllers
*/
#define MBOXCMD_LREAD 0x01
#define MBOXCMD_LWRITE 0x02
#define MBOXCMD_PASSTHRU 0x03
#define MBOXCMD_ADPEXTINQ 0x04
#define MBOXCMD_ADAPTERINQ 0x05
#define MBOXCMD_LREAD64 0xA7
#define MBOXCMD_LWRITE64 0xA8
#define MBOXCMD_PASSTHRU64 0xC3
#define MBOXCMD_EXTPTHRU 0xE3
#define MAIN_MISC_OPCODE 0xA4
#define GET_MAX_SG_SUPPORT 0x01
#define SUPPORT_EXT_CDB 0x16
#define FC_NEW_CONFIG 0xA1
#define NC_SUBOP_PRODUCT_INFO 0x0E
#define NC_SUBOP_ENQUIRY3 0x0F
#define ENQ3_GET_SOLICITED_FULL 0x02
#define OP_DCMD_READ_CONFIG 0x04
#define NEW_READ_CONFIG_8LD 0x67
#define READ_CONFIG_8LD 0x07
#define FLUSH_ADAPTER 0x0A
#define FLUSH_SYSTEM 0xFE
/*
* Command for random deletion of logical drives
*/
#define FC_DEL_LOGDRV 0xA4
#define OP_SUP_DEL_LOGDRV 0x2A
#define OP_GET_LDID_MAP 0x18
#define OP_DEL_LOGDRV 0x1C
/*
* BIOS commands
*/
#define IS_BIOS_ENABLED 0x62
#define GET_BIOS 0x01
#define CHNL_CLASS 0xA9
#define GET_CHNL_CLASS 0x00
#define SET_CHNL_CLASS 0x01
#define CH_RAID 0x01
#define CH_SCSI 0x00
#define BIOS_PVT_DATA 0x40
#define GET_BIOS_PVT_DATA 0x00
/*
* Commands to support clustering
*/
#define GET_TARGET_ID 0x7D
#define CLUSTER_OP 0x70
#define GET_CLUSTER_MODE 0x02
#define CLUSTER_CMD 0x6E
#define RESERVE_LD 0x01
#define RELEASE_LD 0x02
#define RESET_RESERVATIONS 0x03
#define RESERVATION_STATUS 0x04
#define RESERVE_PD 0x05
#define RELEASE_PD 0x06
/*
* Module battery status
*/
#define BATTERY_MODULE_MISSING 0x01
#define BATTERY_LOW_VOLTAGE 0x02
#define BATTERY_TEMP_HIGH 0x04
#define BATTERY_PACK_MISSING 0x08
#define BATTERY_CHARGE_MASK 0x30
#define BATTERY_CHARGE_DONE 0x00
#define BATTERY_CHARGE_INPROG 0x10
#define BATTERY_CHARGE_FAIL 0x20
#define BATTERY_CYCLES_EXCEEDED 0x40
/*
* Physical drive states.
*/
#define PDRV_UNCNF 0
#define PDRV_ONLINE 3
#define PDRV_FAILED 4
#define PDRV_RBLD 5
#define PDRV_HOTSPARE 6
/*
* Raid logical drive states.
*/
#define RDRV_OFFLINE 0
#define RDRV_DEGRADED 1
#define RDRV_OPTIMAL 2
#define RDRV_DELETED 3
/*
* Read, write and cache policies
*/
#define NO_READ_AHEAD 0
#define READ_AHEAD 1
#define ADAP_READ_AHEAD 2
#define WRMODE_WRITE_THRU 0
#define WRMODE_WRITE_BACK 1
#define CACHED_IO 0
#define DIRECT_IO 1
#define MAX_LOGICAL_DRIVES_8LD 8
#define MAX_LOGICAL_DRIVES_40LD 40
#define FC_MAX_PHYSICAL_DEVICES 256
#define MAX_MBOX_CHANNELS 5
#define MAX_MBOX_TARGET 15
#define MBOX_MAX_PHYSICAL_DRIVES MAX_MBOX_CHANNELS*MAX_MBOX_TARGET
#define MAX_ROW_SIZE_40LD 32
#define MAX_ROW_SIZE_8LD 8
#define SPAN_DEPTH_8_SPANS 8
#define SPAN_DEPTH_4_SPANS 4
#define MAX_REQ_SENSE_LEN 0x20
/**
* struct mbox_t - Driver and f/w handshake structure.
* @cmd : firmware command
* @cmdid : command id
* @numsectors : number of sectors to be transferred
* @lba : Logical Block Address on LD
* @xferaddr : DMA address for data transfer
* @logdrv : logical drive number
* @numsge : number of scatter gather elements in sg list
* @resvd : reserved
* @busy : f/w busy, must wait to issue more commands.
* @numstatus : number of commands completed.
* @status : status of the commands completed
* @completed : array of completed command ids.
* @poll : poll and ack sequence
* @ack : poll and ack sequence
*
* The central handshake structure between the driver and the firmware. This
* structure must be allocated by the driver and aligned at 8-byte boundary.
*/
#define MBOX_MAX_FIRMWARE_STATUS 46
typedef struct {
uint8_t cmd;
uint8_t cmdid;
uint16_t numsectors;
uint32_t lba;
uint32_t xferaddr;
uint8_t logdrv;
uint8_t numsge;
uint8_t resvd;
uint8_t busy;
uint8_t numstatus;
uint8_t status;
uint8_t completed[MBOX_MAX_FIRMWARE_STATUS];
uint8_t poll;
uint8_t ack;
} __attribute__ ((packed)) mbox_t;
/**
* mbox64_t - 64-bit extension for the mailbox
* @segment_lo : the low 32-bits of the address of the scatter-gather list
* @segment_hi : the upper 32-bits of the address of the scatter-gather list
* @mbox : 32-bit mailbox, whose xferadder field must be set to
* 0xFFFFFFFF
*
* This is the extension of the 32-bit mailbox to be able to perform DMA
* beyond 4GB address range.
*/
typedef struct {
uint32_t xferaddr_lo;
uint32_t xferaddr_hi;
mbox_t mbox32;
} __attribute__ ((packed)) mbox64_t;
/*
* mailbox structure used for internal commands
*/
typedef struct {
u8 cmd;
u8 cmdid;
u8 opcode;
u8 subopcode;
u32 lba;
u32 xferaddr;
u8 logdrv;
u8 rsvd[3];
u8 numstatus;
u8 status;
} __attribute__ ((packed)) int_mbox_t;
/**
* mraid_passthru_t - passthru structure to issue commands to physical devices
* @timeout : command timeout, 0=6sec, 1=60sec, 2=10min, 3=3hr
* @ars : set if ARS required after check condition
* @islogical : set if command meant for logical devices
* @logdrv : logical drive number if command for LD
* @channel : Channel on which physical device is located
* @target : SCSI target of the device
* @queuetag : unused
* @queueaction : unused
* @cdb : SCSI CDB
* @cdblen : length of the CDB
* @reqsenselen : amount of request sense data to be returned
* @reqsensearea : Sense information buffer
* @numsge : number of scatter-gather elements in the sg list
* @scsistatus : SCSI status of the command completed.
* @dataxferaddr : DMA data transfer address
* @dataxferlen : amount of the data to be transferred.
*/
typedef struct {
uint8_t timeout :3;
uint8_t ars :1;
uint8_t reserved :3;
uint8_t islogical :1;
uint8_t logdrv;
uint8_t channel;
uint8_t target;
uint8_t queuetag;
uint8_t queueaction;
uint8_t cdb[10];
uint8_t cdblen;
uint8_t reqsenselen;
uint8_t reqsensearea[MAX_REQ_SENSE_LEN];
uint8_t numsge;
uint8_t scsistatus;
uint32_t dataxferaddr;
uint32_t dataxferlen;
} __attribute__ ((packed)) mraid_passthru_t;
typedef struct {
uint32_t dataxferaddr_lo;
uint32_t dataxferaddr_hi;
mraid_passthru_t pthru32;
} __attribute__ ((packed)) mega_passthru64_t;
/**
* mraid_epassthru_t - passthru structure to issue commands to physical devices
* @timeout : command timeout, 0=6sec, 1=60sec, 2=10min, 3=3hr
* @ars : set if ARS required after check condition
* @rsvd1 : reserved field
* @cd_rom : (?)
* @rsvd2 : reserved field
* @islogical : set if command meant for logical devices
* @logdrv : logical drive number if command for LD
* @channel : Channel on which physical device is located
* @target : SCSI target of the device
* @queuetag : unused
* @queueaction : unused
* @cdblen : length of the CDB
* @rsvd3 : reserved field
* @cdb : SCSI CDB
* @numsge : number of scatter-gather elements in the sg list
* @status : SCSI status of the command completed.
* @reqsenselen : amount of request sense data to be returned
* @reqsensearea : Sense information buffer
* @rsvd4 : reserved field
* @dataxferaddr : DMA data transfer address
* @dataxferlen : amount of the data to be transferred.
*/
typedef struct {
uint8_t timeout :3;
uint8_t ars :1;
uint8_t rsvd1 :1;
uint8_t cd_rom :1;
uint8_t rsvd2 :1;
uint8_t islogical :1;
uint8_t logdrv;
uint8_t channel;
uint8_t target;
uint8_t queuetag;
uint8_t queueaction;
uint8_t cdblen;
uint8_t rsvd3;
uint8_t cdb[16];
uint8_t numsge;
uint8_t status;
uint8_t reqsenselen;
uint8_t reqsensearea[MAX_REQ_SENSE_LEN];
uint8_t rsvd4;
uint32_t dataxferaddr;
uint32_t dataxferlen;
} __attribute__ ((packed)) mraid_epassthru_t;
/**
* mraid_pinfo_t - product info, static information about the controller
* @data_size : current size in bytes (not including resvd)
* @config_signature : Current value is 0x00282008
* @fw_version : Firmware version
* @bios_version : version of the BIOS
* @product_name : Name given to the controller
* @max_commands : Maximum concurrent commands supported
* @nchannels : Number of SCSI Channels detected
* @fc_loop_present : Number of Fibre Loops detected
* @mem_type : EDO, FPM, SDRAM etc
* @signature :
* @dram_size : In terms of MB
* @subsysid : device PCI subsystem ID
* @subsysvid : device PCI subsystem vendor ID
* @notify_counters :
* @pad1k : 135 + 889 resvd = 1024 total size
*
* This structures holds the information about the controller which is not
* expected to change dynamically.
*
* The current value of config signature is 0x00282008:
* 0x28 = MAX_LOGICAL_DRIVES,
* 0x20 = Number of stripes and
* 0x08 = Number of spans
*/
typedef struct {
uint32_t data_size;
uint32_t config_signature;
uint8_t fw_version[16];
uint8_t bios_version[16];
uint8_t product_name[80];
uint8_t max_commands;
uint8_t nchannels;
uint8_t fc_loop_present;
uint8_t mem_type;
uint32_t signature;
uint16_t dram_size;
uint16_t subsysid;
uint16_t subsysvid;
uint8_t notify_counters;
uint8_t pad1k[889];
} __attribute__ ((packed)) mraid_pinfo_t;
/**
* mraid_notify_t - the notification structure
* @global_counter : Any change increments this counter
* @param_counter : Indicates any params changed
* @param_id : Param modified - defined below
* @param_val : New val of last param modified
* @write_config_counter : write config occurred
* @write_config_rsvd :
* @ldrv_op_counter : Indicates ldrv op started/completed
* @ldrv_opid : ldrv num
* @ldrv_opcmd : ldrv operation - defined below
* @ldrv_opstatus : status of the operation
* @ldrv_state_counter : Indicates change of ldrv state
* @ldrv_state_id : ldrv num
* @ldrv_state_new : New state
* @ldrv_state_old : old state
* @pdrv_state_counter : Indicates change of ldrv state
* @pdrv_state_id : pdrv id
* @pdrv_state_new : New state
* @pdrv_state_old : old state
* @pdrv_fmt_counter : Indicates pdrv format started/over
* @pdrv_fmt_id : pdrv id
* @pdrv_fmt_val : format started/over
* @pdrv_fmt_rsvd :
* @targ_xfer_counter : Indicates SCSI-2 Xfer rate change
* @targ_xfer_id : pdrv Id
* @targ_xfer_val : new Xfer params of last pdrv
* @targ_xfer_rsvd :
* @fcloop_id_chg_counter : Indicates loopid changed
* @fcloopid_pdrvid : pdrv id
* @fcloop_id0 : loopid on fc loop 0
* @fcloop_id1 : loopid on fc loop 1
* @fcloop_state_counter : Indicates loop state changed
* @fcloop_state0 : state of fc loop 0
* @fcloop_state1 : state of fc loop 1
* @fcloop_state_rsvd :
*/
typedef struct {
uint32_t global_counter;
uint8_t param_counter;
uint8_t param_id;
uint16_t param_val;
uint8_t write_config_counter;
uint8_t write_config_rsvd[3];
uint8_t ldrv_op_counter;
uint8_t ldrv_opid;
uint8_t ldrv_opcmd;
uint8_t ldrv_opstatus;
uint8_t ldrv_state_counter;
uint8_t ldrv_state_id;
uint8_t ldrv_state_new;
uint8_t ldrv_state_old;
uint8_t pdrv_state_counter;
uint8_t pdrv_state_id;
uint8_t pdrv_state_new;
uint8_t pdrv_state_old;
uint8_t pdrv_fmt_counter;
uint8_t pdrv_fmt_id;
uint8_t pdrv_fmt_val;
uint8_t pdrv_fmt_rsvd;
uint8_t targ_xfer_counter;
uint8_t targ_xfer_id;
uint8_t targ_xfer_val;
uint8_t targ_xfer_rsvd;
uint8_t fcloop_id_chg_counter;
uint8_t fcloopid_pdrvid;
uint8_t fcloop_id0;
uint8_t fcloop_id1;
uint8_t fcloop_state_counter;
uint8_t fcloop_state0;
uint8_t fcloop_state1;
uint8_t fcloop_state_rsvd;
} __attribute__ ((packed)) mraid_notify_t;
/**
* mraid_inquiry3_t - enquiry for device information
*
* @data_size : current size in bytes (not including resvd)
* @notify :
* @notify_rsvd :
* @rebuild_rate : rebuild rate (0% - 100%)
* @cache_flush_int : cache flush interval in seconds
* @sense_alert :
* @drive_insert_count : drive insertion count
* @battery_status :
* @num_ldrv : no. of Log Drives configured
* @recon_state : state of reconstruct
* @ldrv_op_status : logdrv Status
* @ldrv_size : size of each log drv
* @ldrv_prop :
* @ldrv_state : state of log drives
* @pdrv_state : state of phys drvs.
* @pdrv_format :
* @targ_xfer : phys device transfer rate
* @pad1k : 761 + 263reserved = 1024 bytes total size
*/
#define MAX_NOTIFY_SIZE 0x80
#define CUR_NOTIFY_SIZE sizeof(mraid_notify_t)
typedef struct {
uint32_t data_size;
mraid_notify_t notify;
uint8_t notify_rsvd[MAX_NOTIFY_SIZE - CUR_NOTIFY_SIZE];
uint8_t rebuild_rate;
uint8_t cache_flush_int;
uint8_t sense_alert;
uint8_t drive_insert_count;
uint8_t battery_status;
uint8_t num_ldrv;
uint8_t recon_state[MAX_LOGICAL_DRIVES_40LD / 8];
uint16_t ldrv_op_status[MAX_LOGICAL_DRIVES_40LD / 8];
uint32_t ldrv_size[MAX_LOGICAL_DRIVES_40LD];
uint8_t ldrv_prop[MAX_LOGICAL_DRIVES_40LD];
uint8_t ldrv_state[MAX_LOGICAL_DRIVES_40LD];
uint8_t pdrv_state[FC_MAX_PHYSICAL_DEVICES];
uint16_t pdrv_format[FC_MAX_PHYSICAL_DEVICES / 16];
uint8_t targ_xfer[80];
uint8_t pad1k[263];
} __attribute__ ((packed)) mraid_inquiry3_t;
/**
* mraid_adapinfo_t - information about the adapter
* @max_commands : max concurrent commands supported
* @rebuild_rate : rebuild rate - 0% thru 100%
* @max_targ_per_chan : max targ per channel
* @nchannels : number of channels on HBA
* @fw_version : firmware version
* @age_of_flash : number of times FW has been flashed
* @chip_set_value : contents of 0xC0000832
* @dram_size : in MB
* @cache_flush_interval : in seconds
* @bios_version :
* @board_type :
* @sense_alert :
* @write_config_count : increase with every configuration change
* @drive_inserted_count : increase with every drive inserted
* @inserted_drive : channel:Id of inserted drive
* @battery_status : bit 0: battery module missing
* bit 1: VBAD
* bit 2: temperature high
* bit 3: battery pack missing
* bit 4,5:
* 00 - charge complete
* 01 - fast charge in progress
* 10 - fast charge fail
* 11 - undefined
* bit 6: counter > 1000
* bit 7: Undefined
* @dec_fault_bus_info :
*/
typedef struct {
uint8_t max_commands;
uint8_t rebuild_rate;
uint8_t max_targ_per_chan;
uint8_t nchannels;
uint8_t fw_version[4];
uint16_t age_of_flash;
uint8_t chip_set_value;
uint8_t dram_size;
uint8_t cache_flush_interval;
uint8_t bios_version[4];
uint8_t board_type;
uint8_t sense_alert;
uint8_t write_config_count;
uint8_t battery_status;
uint8_t dec_fault_bus_info;
} __attribute__ ((packed)) mraid_adapinfo_t;
/**
* mraid_ldrv_info_t - information about the logical drives
* @nldrv : Number of logical drives configured
* @rsvd :
* @size : size of each logical drive
* @prop :
* @state : state of each logical drive
*/
typedef struct {
uint8_t nldrv;
uint8_t rsvd[3];
uint32_t size[MAX_LOGICAL_DRIVES_8LD];
uint8_t prop[MAX_LOGICAL_DRIVES_8LD];
uint8_t state[MAX_LOGICAL_DRIVES_8LD];
} __attribute__ ((packed)) mraid_ldrv_info_t;
/**
* mraid_pdrv_info_t - information about the physical drives
* @pdrv_state : state of each physical drive
*/
typedef struct {
uint8_t pdrv_state[MBOX_MAX_PHYSICAL_DRIVES];
uint8_t rsvd;
} __attribute__ ((packed)) mraid_pdrv_info_t;
/**
* mraid_inquiry_t - RAID inquiry, mailbox command 0x05
* @mraid_adapinfo_t : adapter information
* @mraid_ldrv_info_t : logical drives information
* @mraid_pdrv_info_t : physical drives information
*/
typedef struct {
mraid_adapinfo_t adapter_info;
mraid_ldrv_info_t logdrv_info;
mraid_pdrv_info_t pdrv_info;
} __attribute__ ((packed)) mraid_inquiry_t;
/**
* mraid_extinq_t - RAID extended inquiry, mailbox command 0x04
*
* @raid_inq : raid inquiry
* @phys_drv_format :
* @stack_attn :
* @modem_status :
* @rsvd :
*/
typedef struct {
mraid_inquiry_t raid_inq;
uint16_t phys_drv_format[MAX_MBOX_CHANNELS];
uint8_t stack_attn;
uint8_t modem_status;
uint8_t rsvd[2];
} __attribute__ ((packed)) mraid_extinq_t;
/**
* adap_device_t - device information
* @channel : channel fpor the device
* @target : target ID of the device
*/
typedef struct {
uint8_t channel;
uint8_t target;
}__attribute__ ((packed)) adap_device_t;
/**
* adap_span_40ld_t - 40LD span
* @start_blk : starting block
* @num_blks : number of blocks
*/
typedef struct {
uint32_t start_blk;
uint32_t num_blks;
adap_device_t device[MAX_ROW_SIZE_40LD];
}__attribute__ ((packed)) adap_span_40ld_t;
/**
* adap_span_8ld_t - 8LD span
* @start_blk : starting block
* @num_blks : number of blocks
*/
typedef struct {
uint32_t start_blk;
uint32_t num_blks;
adap_device_t device[MAX_ROW_SIZE_8LD];
}__attribute__ ((packed)) adap_span_8ld_t;
/**
* logdrv_param_t - logical drives parameters
*
* @span_depth : total number of spans
* @level : RAID level
* @read_ahead : read ahead, no read ahead, adaptive read ahead
* @stripe_sz : encoded stripe size
* @status : status of the logical drive
* @write_mode : write mode, write_through/write_back
* @direct_io : direct io or through cache
* @row_size : number of stripes in a row
*/
typedef struct {
uint8_t span_depth;
uint8_t level;
uint8_t read_ahead;
uint8_t stripe_sz;
uint8_t status;
uint8_t write_mode;
uint8_t direct_io;
uint8_t row_size;
} __attribute__ ((packed)) logdrv_param_t;
/**
* logdrv_40ld_t - logical drive definition for 40LD controllers
* @lparam : logical drives parameters
* @span : span
*/
typedef struct {
logdrv_param_t lparam;
adap_span_40ld_t span[SPAN_DEPTH_8_SPANS];
}__attribute__ ((packed)) logdrv_40ld_t;
/**
* logdrv_8ld_span8_t - logical drive definition for 8LD controllers
* @lparam : logical drives parameters
* @span : span
*
* 8-LD logical drive with up to 8 spans
*/
typedef struct {
logdrv_param_t lparam;
adap_span_8ld_t span[SPAN_DEPTH_8_SPANS];
}__attribute__ ((packed)) logdrv_8ld_span8_t;
/**
* logdrv_8ld_span4_t - logical drive definition for 8LD controllers
* @lparam : logical drives parameters
* @span : span
*
* 8-LD logical drive with up to 4 spans
*/
typedef struct {
logdrv_param_t lparam;
adap_span_8ld_t span[SPAN_DEPTH_4_SPANS];
}__attribute__ ((packed)) logdrv_8ld_span4_t;
/**
* phys_drive_t - physical device information
* @type : Type of the device
* @cur_status : current status of the device
* @tag_depth : Level of tagging
* @sync_neg : sync negotiation - ENABLE or DISABLE
* @size : configurable size in terms of 512 byte
*/
typedef struct {
uint8_t type;
uint8_t cur_status;
uint8_t tag_depth;
uint8_t sync_neg;
uint32_t size;
}__attribute__ ((packed)) phys_drive_t;
/**
* disk_array_40ld_t - disk array for 40LD controllers
* @numldrv : number of logical drives
* @resvd :
* @ldrv : logical drives information
* @pdrv : physical drives information
*/
typedef struct {
uint8_t numldrv;
uint8_t resvd[3];
logdrv_40ld_t ldrv[MAX_LOGICAL_DRIVES_40LD];
phys_drive_t pdrv[MBOX_MAX_PHYSICAL_DRIVES];
}__attribute__ ((packed)) disk_array_40ld_t;
/**
* disk_array_8ld_span8_t - disk array for 8LD controllers
* @numldrv : number of logical drives
* @resvd :
* @ldrv : logical drives information
* @pdrv : physical drives information
*
* Disk array for 8LD logical drives with up to 8 spans
*/
typedef struct {
uint8_t numldrv;
uint8_t resvd[3];
logdrv_8ld_span8_t ldrv[MAX_LOGICAL_DRIVES_8LD];
phys_drive_t pdrv[MBOX_MAX_PHYSICAL_DRIVES];
}__attribute__ ((packed)) disk_array_8ld_span8_t;
/**
* disk_array_8ld_span4_t - disk array for 8LD controllers
* @numldrv : number of logical drives
* @resvd :
* @ldrv : logical drives information
* @pdrv : physical drives information
*
* Disk array for 8LD logical drives with up to 4 spans
*/
typedef struct {
uint8_t numldrv;
uint8_t resvd[3];
logdrv_8ld_span4_t ldrv[MAX_LOGICAL_DRIVES_8LD];
phys_drive_t pdrv[MBOX_MAX_PHYSICAL_DRIVES];
}__attribute__ ((packed)) disk_array_8ld_span4_t;
/**
* struct private_bios_data - bios private data for boot devices
* @geometry : bits 0-3 - BIOS geometry, 0x0001 - 1GB, 0x0010 - 2GB,
* 0x1000 - 8GB, Others values are invalid
* @unused : bits 4-7 are unused
* @boot_drv : logical drive set as boot drive, 0..7 - for 8LD cards,
* 0..39 - for 40LD cards
* @cksum : 0-(sum of first 13 bytes of this structure)
*/
struct private_bios_data {
uint8_t geometry :4;
uint8_t unused :4;
uint8_t boot_drv;
uint8_t rsvd[12];
uint16_t cksum;
} __attribute__ ((packed));
/**
* mbox_sgl64 - 64-bit scatter list for mailbox based controllers
* @address : address of the buffer
* @length : data transfer length
*/
typedef struct {
uint64_t address;
uint32_t length;
} __attribute__ ((packed)) mbox_sgl64;
/**
* mbox_sgl32 - 32-bit scatter list for mailbox based controllers
* @address : address of the buffer
* @length : data transfer length
*/
typedef struct {
uint32_t address;
uint32_t length;
} __attribute__ ((packed)) mbox_sgl32;
#endif // _MRAID_MBOX_DEFS_H_
/* vim: set ts=8 sw=8 tw=78: */
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