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#ifndef _LINUX_HDREG_H
#define _LINUX_HDREG_H
/*
* This file contains some defines for the AT-hd-controller.
* Various sources.
*/
#define HD_IRQ 14 /* the standard disk interrupt */
/* ide.c has its own port definitions in "ide.h" */
/* Hd controller regs. Ref: IBM AT Bios-listing */
#define HD_DATA 0x1f0 /* _CTL when writing */
#define HD_ERROR 0x1f1 /* see err-bits */
#define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
#define HD_SECTOR 0x1f3 /* starting sector */
#define HD_LCYL 0x1f4 /* starting cylinder */
#define HD_HCYL 0x1f5 /* high byte of starting cyl */
#define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
#define HD_STATUS 0x1f7 /* see status-bits */
#define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
#define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
#define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
#define HD_CMD 0x3f6 /* used for resets */
#define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
/* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
/* Bits of HD_STATUS */
#define ERR_STAT 0x01
#define INDEX_STAT 0x02
#define ECC_STAT 0x04 /* Corrected error */
#define DRQ_STAT 0x08
#define SEEK_STAT 0x10
#define WRERR_STAT 0x20
#define READY_STAT 0x40
#define BUSY_STAT 0x80
/* Bits for HD_ERROR */
#define MARK_ERR 0x01 /* Bad address mark */
#define TRK0_ERR 0x02 /* couldn't find track 0 */
#define ABRT_ERR 0x04 /* Command aborted */
#define MCR_ERR 0x08 /* media change request */
#define ID_ERR 0x10 /* ID field not found */
#define MC_ERR 0x20 /* media changed */
#define ECC_ERR 0x40 /* Uncorrectable ECC error */
#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
/*
* Command Header sizes for IOCTL commands
* HDIO_DRIVE_CMD, HDIO_DRIVE_TASK, and HDIO_DRIVE_TASKFILE
*/
#if 0
#include <asm/hdreg.h>
typedef ide_ioreg_t task_ioreg_t;
#else
typedef unsigned char task_ioreg_t;
#endif
#define HDIO_DRIVE_CMD_HDR_SIZE 4*sizeof(task_ioreg_t)
#define HDIO_DRIVE_TASK_HDR_SIZE 8*sizeof(task_ioreg_t)
#define HDIO_DRIVE_HOB_HDR_SIZE 8*sizeof(task_ioreg_t)
#define IDE_DRIVE_TASK_INVALID -1
#define IDE_DRIVE_TASK_NO_DATA 0
#define IDE_DRIVE_TASK_SET_XFER 1
#define IDE_DRIVE_TASK_IN 2
#define IDE_DRIVE_TASK_OUT 3
#define IDE_DRIVE_TASK_RAW_WRITE 4
struct hd_drive_cmd_hdr {
task_ioreg_t command;
task_ioreg_t sector_number;
task_ioreg_t feature;
task_ioreg_t sector_count;
};
typedef struct hd_drive_task_hdr {
task_ioreg_t data;
task_ioreg_t feature;
task_ioreg_t sector_count;
task_ioreg_t sector_number;
task_ioreg_t low_cylinder;
task_ioreg_t high_cylinder;
task_ioreg_t device_head;
task_ioreg_t command;
} task_struct_t;
typedef struct hd_drive_hob_hdr {
task_ioreg_t data;
task_ioreg_t feature;
task_ioreg_t sector_count;
task_ioreg_t sector_number;
task_ioreg_t low_cylinder;
task_ioreg_t high_cylinder;
task_ioreg_t device_head;
task_ioreg_t control;
} hob_struct_t;
typedef union ide_reg_valid_s {
unsigned all : 16;
struct {
unsigned data : 1;
unsigned error_feature : 1;
unsigned sector : 1;
unsigned nsector : 1;
unsigned lcyl : 1;
unsigned hcyl : 1;
unsigned select : 1;
unsigned status_command : 1;
unsigned data_hob : 1;
unsigned error_feature_hob : 1;
unsigned sector_hob : 1;
unsigned nsector_hob : 1;
unsigned lcyl_hob : 1;
unsigned hcyl_hob : 1;
unsigned select_hob : 1;
unsigned control_hob : 1;
} b;
} ide_reg_valid_t;
/*
* Define standard taskfile in/out register
*/
#define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
#define IDE_TASKFILE_STD_IN_FLAGS 0xFE
#define IDE_HOB_STD_OUT_FLAGS 0xC0
#define IDE_HOB_STD_IN_FLAGS 0xC0
typedef struct ide_task_request_s {
task_ioreg_t io_ports[8];
task_ioreg_t hob_ports[8];
ide_reg_valid_t out_flags;
ide_reg_valid_t in_flags;
int data_phase;
int req_cmd;
unsigned long out_size;
unsigned long in_size;
} ide_task_request_t;
typedef struct ide_ioctl_request_s {
ide_task_request_t *task_request;
unsigned char *out_buffer;
unsigned char *in_buffer;
} ide_ioctl_request_t;
#define TASKFILE_INVALID 0x7fff
#define TASKFILE_48 0x8000
#define TASKFILE_NO_DATA 0x0000
#define TASKFILE_IN 0x0001
#define TASKFILE_MULTI_IN 0x0002
#define TASKFILE_OUT 0x0004
#define TASKFILE_MULTI_OUT 0x0008
#define TASKFILE_IN_OUT 0x0010
#define TASKFILE_IN_DMA 0x0020
#define TASKFILE_OUT_DMA 0x0040
#define TASKFILE_IN_DMAQ 0x0080
#define TASKFILE_OUT_DMAQ 0x0100
#define TASKFILE_P_IN 0x0200
#define TASKFILE_P_OUT 0x0400
#define TASKFILE_P_IN_DMA 0x0800
#define TASKFILE_P_OUT_DMA 0x1000
#define TASKFILE_P_IN_DMAQ 0x2000
#define TASKFILE_P_OUT_DMAQ 0x4000
/* ATA/ATAPI Commands pre T13 Spec */
#define WIN_NOP 0x00
#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
#define WIN_SRST 0x08 /* ATAPI soft reset command */
#define WIN_DEVICE_RESET 0x08
#define WIN_RESTORE 0x10
#define WIN_READ 0x20 /* 28-Bit */
#define WIN_READ_EXT 0x24 /* 48-Bit */
#define WIN_READDMA_EXT 0x25 /* 48-Bit */
#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
#define WIN_WRITE 0x30 /* 28-Bit */
#define WIN_WRITE_EXT 0x34 /* 48-Bit */
#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
#define WIN_FORMAT 0x50
#define WIN_INIT 0x60
#define WIN_SEEK 0x70
#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
#define WIN_DIAGNOSE 0x90
#define WIN_SPECIFY 0x91 /* set drive geometry translation */
#define WIN_DOWNLOAD_MICROCODE 0x92
#define WIN_STANDBYNOW2 0x94
#define WIN_SETIDLE2 0x97
#define WIN_CHECKPOWERMODE2 0x98
#define WIN_SLEEPNOW2 0x99
#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
#define WIN_QUEUED_SERVICE 0xA2
#define WIN_SMART 0xB0 /* self-monitoring and reporting */
#define CFA_ERASE_SECTORS 0xC0
#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
#define WIN_GETMEDIASTATUS 0xDA
#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
#define WIN_STANDBYNOW1 0xE0
#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
#define WIN_SETIDLE1 0xE3
#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
#define WIN_CHECKPOWERMODE1 0xE5
#define WIN_SLEEPNOW1 0xE6
#define WIN_FLUSH_CACHE 0xE7
#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
#define WIN_MEDIAEJECT 0xED
#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
#define WIN_SETFEATURES 0xEF /* set special drive features */
#define EXABYTE_ENABLE_NEST 0xF0
#define WIN_SECURITY_SET_PASS 0xF1
#define WIN_SECURITY_UNLOCK 0xF2
#define WIN_SECURITY_ERASE_PREPARE 0xF3
#define WIN_SECURITY_ERASE_UNIT 0xF4
#define WIN_SECURITY_FREEZE_LOCK 0xF5
#define WIN_SECURITY_DISABLE 0xF6
#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
#define WIN_SET_MAX 0xF9
#define DISABLE_SEAGATE 0xFB
/* WIN_SMART sub-commands */
#define SMART_READ_VALUES 0xD0
#define SMART_READ_THRESHOLDS 0xD1
#define SMART_AUTOSAVE 0xD2
#define SMART_SAVE 0xD3
#define SMART_IMMEDIATE_OFFLINE 0xD4
#define SMART_READ_LOG_SECTOR 0xD5
#define SMART_WRITE_LOG_SECTOR 0xD6
#define SMART_WRITE_THRESHOLDS 0xD7
#define SMART_ENABLE 0xD8
#define SMART_DISABLE 0xD9
#define SMART_STATUS 0xDA
#define SMART_AUTO_OFFLINE 0xDB
/* Password used in TF4 & TF5 executing SMART commands */
#define SMART_LCYL_PASS 0x4F
#define SMART_HCYL_PASS 0xC2
/* WIN_SETFEATURES sub-commands */
#define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
#define SETFEATURES_XFER 0x03 /* Set transfer mode */
# define XFER_UDMA_7 0x47 /* 0100|0111 */
# define XFER_UDMA_6 0x46 /* 0100|0110 */
# define XFER_UDMA_5 0x45 /* 0100|0101 */
# define XFER_UDMA_4 0x44 /* 0100|0100 */
# define XFER_UDMA_3 0x43 /* 0100|0011 */
# define XFER_UDMA_2 0x42 /* 0100|0010 */
# define XFER_UDMA_1 0x41 /* 0100|0001 */
# define XFER_UDMA_0 0x40 /* 0100|0000 */
# define XFER_MW_DMA_2 0x22 /* 0010|0010 */
# define XFER_MW_DMA_1 0x21 /* 0010|0001 */
# define XFER_MW_DMA_0 0x20 /* 0010|0000 */
# define XFER_SW_DMA_2 0x12 /* 0001|0010 */
# define XFER_SW_DMA_1 0x11 /* 0001|0001 */
# define XFER_SW_DMA_0 0x10 /* 0001|0000 */
# define XFER_PIO_4 0x0C /* 0000|1100 */
# define XFER_PIO_3 0x0B /* 0000|1011 */
# define XFER_PIO_2 0x0A /* 0000|1010 */
# define XFER_PIO_1 0x09 /* 0000|1001 */
# define XFER_PIO_0 0x08 /* 0000|1000 */
# define XFER_PIO_SLOW 0x00 /* 0000|0000 */
#define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
#define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
#define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
#define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
#define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
#define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
#define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
#define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
#define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
#define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
#define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
#define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
#define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
#define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
#define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
#define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
#define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt */
#define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt */
/* WIN_SECURITY sub-commands */
#define SECURITY_SET_PASSWORD 0xBA
#define SECURITY_UNLOCK 0xBB
#define SECURITY_ERASE_PREPARE 0xBC
#define SECURITY_ERASE_UNIT 0xBD
#define SECURITY_FREEZE_LOCK 0xBE
#define SECURITY_DISABLE_PASSWORD 0xBF
struct hd_geometry {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
unsigned long start;
};
/* BIG GEOMETRY */
struct hd_big_geometry {
unsigned char heads;
unsigned char sectors;
unsigned int cylinders;
unsigned long start;
};
/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
#define HDIO_GETGEO 0x0301 /* get device geometry */
#define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
#define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
#define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
#define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
#define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
#define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
#define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
#define HDIO_GET_DMA 0x030b /* get use-dma flag */
#define HDIO_GET_NICE 0x030c /* get nice flags */
#define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
#define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
#define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
#define HDIO_GET_ADDRESS 0x0310 /* */
#define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
#define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
#define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
#define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
#define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
#define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
#define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
#define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
#define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
#define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
#define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
#define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
#define HDIO_SET_DMA 0x0326 /* change use-dma flag */
#define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
#define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
#define HDIO_SET_NICE 0x0329 /* set nice flags */
#define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
#define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
#define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
#define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
#define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
#define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
/* bus states */
enum {
BUSSTATE_OFF = 0,
BUSSTATE_ON,
BUSSTATE_TRISTATE
};
/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
#define HDIO_GETGEO_BIG 0x0330 /* */
#define HDIO_GETGEO_BIG_RAW 0x0331 /* */
#define __NEW_HD_DRIVE_ID
/* structure returned by HDIO_GET_IDENTITY,
* as per ANSI NCITS ATA6 rev.1b spec
*/
struct hd_driveid {
unsigned short config; /* lots of obsolete bit flags */
unsigned short cyls; /* Obsolete, "physical" cyls */
unsigned short reserved2; /* reserved (word 2) */
unsigned short heads; /* Obsolete, "physical" heads */
unsigned short track_bytes; /* unformatted bytes per track */
unsigned short sector_bytes; /* unformatted bytes per sector */
unsigned short sectors; /* Obsolete, "physical" sectors per track */
unsigned short vendor0; /* vendor unique */
unsigned short vendor1; /* vendor unique */
unsigned short vendor2; /* Retired vendor unique */
unsigned char serial_no[20]; /* 0 = not_specified */
unsigned short buf_type; /* Retired */
unsigned short buf_size; /* Retired, 512 byte increments
* 0 = not_specified
*/
unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
unsigned char fw_rev[8]; /* 0 = not_specified */
unsigned char model[40]; /* 0 = not_specified */
unsigned char max_multsect; /* 0=not_implemented */
unsigned char vendor3; /* vendor unique */
unsigned short dword_io; /* 0=not_implemented; 1=implemented */
unsigned char vendor4; /* vendor unique */
unsigned char capability; /* (upper byte of word 49)
* 3: IORDYsup
* 2: IORDYsw
* 1: LBA
* 0: DMA
*/
unsigned short reserved50; /* reserved (word 50) */
unsigned char vendor5; /* Obsolete, vendor unique */
unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
unsigned char vendor6; /* Obsolete, vendor unique */
unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
unsigned short field_valid; /* (word 53)
* 2: ultra_ok word 88
* 1: eide_ok words 64-70
* 0: cur_ok words 54-58
*/
unsigned short cur_cyls; /* Obsolete, logical cylinders */
unsigned short cur_heads; /* Obsolete, l heads */
unsigned short cur_sectors; /* Obsolete, l sectors per track */
unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
unsigned char multsect; /* current multiple sector count */
unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
unsigned int lba_capacity; /* Obsolete, total number of sectors */
unsigned short dma_1word; /* Obsolete, single-word dma info */
unsigned short dma_mword; /* multiple-word dma info */
unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
unsigned short eide_pio; /* min cycle time (ns), no IORDY */
unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
unsigned short words69_70[2]; /* reserved words 69-70
* future command overlap and queuing
*/
/* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
unsigned short words71_74[4]; /* reserved words 71-74
* for IDENTIFY PACKET DEVICE command
*/
unsigned short queue_depth; /* (word 75)
* 15:5 reserved
* 4:0 Maximum queue depth -1
*/
unsigned short words76_79[4]; /* reserved words 76-79 */
unsigned short major_rev_num; /* (word 80) */
unsigned short minor_rev_num; /* (word 81) */
unsigned short command_set_1; /* (word 82) supported
* 15: Obsolete
* 14: NOP command
* 13: READ_BUFFER
* 12: WRITE_BUFFER
* 11: Obsolete
* 10: Host Protected Area
* 9: DEVICE Reset
* 8: SERVICE Interrupt
* 7: Release Interrupt
* 6: look-ahead
* 5: write cache
* 4: PACKET Command
* 3: Power Management Feature Set
* 2: Removable Feature Set
* 1: Security Feature Set
* 0: SMART Feature Set
*/
unsigned short command_set_2; /* (word 83)
* 15: Shall be ZERO
* 14: Shall be ONE
* 13: FLUSH CACHE EXT
* 12: FLUSH CACHE
* 11: Device Configuration Overlay
* 10: 48-bit Address Feature Set
* 9: Automatic Acoustic Management
* 8: SET MAX security
* 7: reserved 1407DT PARTIES
* 6: SetF sub-command Power-Up
* 5: Power-Up in Standby Feature Set
* 4: Removable Media Notification
* 3: APM Feature Set
* 2: CFA Feature Set
* 1: READ/WRITE DMA QUEUED
* 0: Download MicroCode
*/
unsigned short cfsse; /* (word 84)
* cmd set-feature supported extensions
* 15: Shall be ZERO
* 14: Shall be ONE
* 13:3 reserved
* 2: Media Serial Number Valid
* 1: SMART selt-test supported
* 0: SMART error logging
*/
unsigned short cfs_enable_1; /* (word 85)
* command set-feature enabled
* 15: Obsolete
* 14: NOP command
* 13: READ_BUFFER
* 12: WRITE_BUFFER
* 11: Obsolete
* 10: Host Protected Area
* 9: DEVICE Reset
* 8: SERVICE Interrupt
* 7: Release Interrupt
* 6: look-ahead
* 5: write cache
* 4: PACKET Command
* 3: Power Management Feature Set
* 2: Removable Feature Set
* 1: Security Feature Set
* 0: SMART Feature Set
*/
unsigned short cfs_enable_2; /* (word 86)
* command set-feature enabled
* 15: Shall be ZERO
* 14: Shall be ONE
* 13: FLUSH CACHE EXT
* 12: FLUSH CACHE
* 11: Device Configuration Overlay
* 10: 48-bit Address Feature Set
* 9: Automatic Acoustic Management
* 8: SET MAX security
* 7: reserved 1407DT PARTIES
* 6: SetF sub-command Power-Up
* 5: Power-Up in Standby Feature Set
* 4: Removable Media Notification
* 3: APM Feature Set
* 2: CFA Feature Set
* 1: READ/WRITE DMA QUEUED
* 0: Download MicroCode
*/
unsigned short csf_default; /* (word 87)
* command set-feature default
* 15: Shall be ZERO
* 14: Shall be ONE
* 13:3 reserved
* 2: Media Serial Number Valid
* 1: SMART selt-test supported
* 0: SMART error logging
*/
unsigned short dma_ultra; /* (word 88) */
unsigned short word89; /* reserved (word 89) */
unsigned short word90; /* reserved (word 90) */
unsigned short CurAPMvalues; /* current APM values */
unsigned short word92; /* reserved (word 92) */
unsigned short hw_config; /* hardware config (word 93)
* 15:
* 14:
* 13:
* 12:
* 11:
* 10:
* 9:
* 8:
* 7:
* 6:
* 5:
* 4:
* 3:
* 2:
* 1:
* 0:
*/
unsigned short acoustic; /* (word 94)
* 15:8 Vendor's recommended value
* 7:0 current value
*/
unsigned short words95_99[5]; /* reserved words 95-99 */
#if 0
unsigned short words100_103[4] ;/* reserved words 100-103 */
#else
unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
#endif
unsigned short words104_125[22];/* reserved words 104-125 */
unsigned short last_lun; /* (word 126) */
unsigned short word127; /* (word 127) Feature Set
* Removable Media Notification
* 15:2 reserved
* 1:0 00 = not supported
* 01 = supported
* 10 = reserved
* 11 = reserved
*/
unsigned short dlf; /* (word 128)
* device lock function
* 15:9 reserved
* 8 security level 1:max 0:high
* 7:6 reserved
* 5 enhanced erase
* 4 expire
* 3 frozen
* 2 locked
* 1 en/disabled
* 0 capability
*/
unsigned short csfo; /* (word 129)
* current set features options
* 15:4 reserved
* 3: auto reassign
* 2: reverting
* 1: read-look-ahead
* 0: write cache
*/
unsigned short words130_155[26];/* reserved vendor words 130-155 */
unsigned short word156; /* reserved vendor word 156 */
unsigned short words157_159[3];/* reserved vendor words 157-159 */
unsigned short cfa_power; /* (word 160) CFA Power Mode
* 15 word 160 supported
* 14 reserved
* 13
* 12
* 11:0
*/
unsigned short words161_175[14];/* Reserved for CFA */
unsigned short words176_205[31];/* Current Media Serial Number */
unsigned short words206_254[48];/* reserved words 206-254 */
unsigned short integrity_word; /* (word 255)
* 15:8 Checksum
* 7:0 Signature
*/
};
/*
* IDE "nice" flags. These are used on a per drive basis to determine
* when to be nice and give more bandwidth to the other devices which
* share the same IDE bus.
*/
#define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
#define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
#define IDE_NICE_0 (2) /* when sure that it won't affect us */
#define IDE_NICE_1 (3) /* when probably won't affect us much */
#define IDE_NICE_2 (4) /* when we know it's on our expense */
#ifdef __KERNEL__
/*
* These routines are used for kernel command line parameters from main.c:
*/
#include <linux/config.h>
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
int ide_register(int io_port, int ctl_port, int irq);
void ide_unregister(unsigned int);
#endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */
#endif /* __KERNEL__ */
#endif /* _LINUX_HDREG_H */
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