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/*

 *    Disk Array driver for Compaq SMART2 Controllers

 *    Copyright 1998 Compaq Computer 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.

 *

 *    This program is distributed in the hope that it will be useful,

 *    but WITHOUT ANY WARRANTY; without even the implied warranty of

 *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or

 *    NON INFRINGEMENT.  See the GNU General Public License for more details.

 *

 *    You should have received a copy of the GNU General Public License

 *    along with this program; if not, write to the Free Software

 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 *    Questions/Comments/Bugfixes to arrays@compaq.com

 *

 *    If you want to make changes, improve or add functionality to this

 *    driver, you'll probably need the Compaq Array Controller Interface

 *    Specificiation (Document number ECG086/1198)

 */

#ifndef ARRAYCMD_H

#define ARRAYCMD_H

#include <asm/types.h>

#if 0

#include <linux/blkdev.h>

#endif

#define COMMAND_FIFO            0x04

#define COMMAND_COMPLETE_FIFO   0x08

#define INTR_MASK               0x0C

#define INTR_STATUS             0x10

#define INTR_PENDING            0x14

#define FIFO_NOT_EMPTY          0x01

#define FIFO_NOT_FULL           0x02

#define BIG_PROBLEM             0x40

#define LOG_NOT_CONF            2

#pragma pack(1)

typedef struct {

        __u32   size;

        __u32   addr;

} sg_t;

#define RCODE_NONFATAL  0x02

#define RCODE_FATAL     0x04

#define RCODE_INVREQ    0x10

typedef struct {

        __u16   next;

        __u8    cmd;

        __u8    rcode;

        __u32   blk;

        __u16   blk_cnt;

        __u8    sg_cnt;

        __u8    reserved;

} rhdr_t;

#define SG_MAX                  32

typedef struct {

        rhdr_t  hdr;

        sg_t    sg[SG_MAX];

        __u32   bp;

} rblk_t;

typedef struct {

        __u8    unit;

        __u8    prio;

        __u16   size;

} chdr_t;

#define CMD_RWREQ       0x00

#define CMD_IOCTL_PEND  0x01

#define CMD_IOCTL_DONE  0x02

typedef struct cmdlist {

        chdr_t  hdr;

        rblk_t  req;

        __u32   size;

        int     retry_cnt;

        __u32   busaddr;

        int     ctlr;

        struct cmdlist *prev;

        struct cmdlist *next;

        struct buffer_head *bh;

        int type;

} cmdlist_t;

#define ID_CTLR         0x11

typedef struct {

        __u8    nr_drvs;

        __u32   cfg_sig;

        __u8    firm_rev[4];

        __u8    rom_rev[4];

        __u8    hw_rev;

        __u32   bb_rev;

        __u32   drv_present_map;

        __u32   ext_drv_map;

        __u32   board_id;

        __u8    cfg_error;

        __u32   non_disk_bits;

        __u8    bad_ram_addr;

        __u8    cpu_rev;

        __u8    pdpi_rev;

        __u8    epic_rev;

        __u8    wcxc_rev;

        __u8    marketing_rev;

        __u8    ctlr_flags;

        __u8    host_flags;

        __u8    expand_dis;

        __u8    scsi_chips;

        __u32   max_req_blocks;

        __u32   ctlr_clock;

        __u8    drvs_per_bus;

        __u16   big_drv_present_map[8];

        __u16   big_ext_drv_map[8];

        __u16   big_non_disk_map[8];

        __u16   task_flags;

        __u8    icl_bus;

        __u8    red_modes;

        __u8    cur_red_mode;

        __u8    red_ctlr_stat;

        __u8    red_fail_reason;

        __u8    reserved[403];

} id_ctlr_t;

typedef struct {

        __u16   cyl;

        __u8    heads;

        __u8    xsig;

        __u8    psectors;

        __u16   wpre;

        __u8    maxecc;

        __u8    drv_ctrl;

        __u16   pcyls;

        __u8    pheads;

        __u16   landz;

        __u8    sect_per_track;

        __u8    cksum;

} drv_param_t;

#define ID_LOG_DRV      0x10

typedef struct {

        __u16   blk_size;

        __u32   nr_blks;

        drv_param_t drv;

        __u8    fault_tol;

        __u8    reserved;

        __u8    bios_disable;

} id_log_drv_t;

#define ID_LOG_DRV_EXT  0x18

typedef struct {

        __u32   log_drv_id;

        __u8    log_drv_label[64];

        __u8    reserved[418];

} id_log_drv_ext_t;

#define SENSE_LOG_DRV_STAT      0x12

typedef struct {

        __u8    status;

        __u32   fail_map;

        __u16   read_err[32];

        __u16   write_err[32];

        __u8    drv_err_data[256];

        __u8    drq_timeout[32];

        __u32   blks_to_recover;

        __u8    drv_recovering;

        __u16   remap_cnt[32];

        __u32   replace_drv_map;

        __u32   act_spare_map;

        __u8    spare_stat;

        __u8    spare_repl_map[32];

        __u32   repl_ok_map;

        __u8    media_exch;

        __u8    cache_fail;

        __u8    expn_fail;

        __u8    unit_flags;

        __u16   big_fail_map[8];

        __u16   big_remap_map[8];

        __u16   big_repl_map[8];

        __u16   big_act_spare_map[8];

        __u8    big_spar_repl_map[128];

        __u16   big_repl_ok_map[8];

        __u8    big_drv_rebuild;

        __u8    reserved[36];

} sense_log_drv_stat_t;

#define START_RECOVER           0x13

#define ID_PHYS_DRV             0x15

typedef struct {

        __u8    scsi_bus;

        __u8    scsi_id;

        __u16   blk_size;

        __u32   nr_blks;

        __u32   rsvd_blks;

        __u8    drv_model[40];

        __u8    drv_sn[40];

        __u8    drv_fw[8];

        __u8    scsi_iq_bits;

        __u8    compaq_drv_stmp;

        __u8    last_fail;

        __u8    phys_drv_flags;

        __u8    phys_drv_flags1;

        __u8    scsi_lun;

        __u8    phys_drv_flags2;

        __u8    reserved;

        __u32   spi_speed_rules;

        __u8    phys_connector[2];

        __u8    phys_box_on_bus;

        __u8    phys_bay_in_box;

} id_phys_drv_t;

#define BLINK_DRV_LEDS          0x16

typedef struct {

        __u32   blink_duration;

        __u32   reserved;

        __u8    blink[256];

        __u8    reserved1[248];

} blink_drv_leds_t;

#define SENSE_BLINK_LEDS        0x17

typedef struct {

        __u32   blink_duration;

        __u32   btime_elap;

        __u8    blink[256];

        __u8    reserved1[248];

} sense_blink_leds_t;

#define IDA_READ                0x20

#define IDA_WRITE               0x30

#define IDA_WRITE_MEDIA         0x31

#define RESET_TO_DIAG           0x40

#define DIAG_PASS_THRU          0x41

#define SENSE_CONFIG            0x50

#define SET_CONFIG              0x51

typedef struct {

        __u32   cfg_sig;

        __u16   compat_port;

        __u8    data_dist_mode;

        __u8    surf_an_ctrl;

        __u16   ctlr_phys_drv;

        __u16   log_unit_phys_drv;

        __u16   fault_tol_mode;

        __u8    phys_drv_param[16];

        drv_param_t drv;

        __u32   drv_asgn_map;

        __u16   dist_factor;

        __u32   spare_asgn_map;

        __u8    reserved[6];

        __u16   os;

        __u8    ctlr_order;

        __u8    extra_info;

        __u32   data_offs;

        __u8    parity_backedout_write_drvs;

        __u8    parity_dist_mode;

        __u8    parity_shift_fact;

        __u8    bios_disable_flag;

        __u32   blks_on_vol;

        __u32   blks_per_drv;

        __u8    scratch[16];

        __u16   big_drv_map[8];

        __u16   big_spare_map[8];

        __u8    ss_source_vol;

        __u8    mix_drv_cap_range;

        struct {

                __u16   big_drv_map[8];

                __u32   blks_per_drv;

                __u16   fault_tol_mode;

                __u16   dist_factor;

        } MDC_range[4];

        __u8    reserved1[248];

} config_t;

#define BYPASS_VOL_STATE        0x52

#define SS_CREATE_VOL           0x53

#define CHANGE_CONFIG           0x54

#define SENSE_ORIG_CONF         0x55

#define REORDER_LOG_DRV         0x56

typedef struct {

        __u8    old_units[32];

} reorder_log_drv_t;

#define LABEL_LOG_DRV           0x57

typedef struct {

        __u8    log_drv_label[64];

} label_log_drv_t;

#define SS_TO_VOL               0x58

#define SET_SURF_DELAY          0x60

typedef struct {

        __u16   delay;

        __u8    reserved[510];

} surf_delay_t;

#define SET_OVERHEAT_DELAY      0x61

typedef struct {

        __u16   delay;

} overhead_delay_t;

#define SET_MP_DELAY

typedef struct {

        __u16   delay;

        __u8    reserved[510];

} mp_delay_t;

#define PASSTHRU_A      0x91

typedef struct {

        __u8    target;

        __u8    bus;

        __u8    lun;

        __u32   timeout;

        __u32   flags;

        __u8    status;

        __u8    error;

        __u8    cdb_len;

        __u8    sense_error;

        __u8    sense_key;

        __u32   sense_info;

        __u8    sense_code;

        __u8    sense_qual;

        __u8    residual;

        __u8    reserved[4];

        __u8    cdb[12];

} scsi_param_t;

#pragma pack()  

#endif /* ARRAYCMD_H */