live
     ˆÈÇ„œhÆÀÄ ?÷     #ifndef _LINUX_HDREG_H
#define _LINUX_HDREG_H

#include <linux/types.h>

/*
 * Command Header sizes for IOCTL commands
 */

#define HDIO_DRIVE_CMD_HDR_SIZE		(4 * sizeof(__u8))
#define HDIO_DRIVE_HOB_HDR_SIZE		(8 * sizeof(__u8))
#define HDIO_DRIVE_TASK_HDR_SIZE	(8 * sizeof(__u8))

#define IDE_DRIVE_TASK_NO_DATA		0
#define IDE_DRIVE_TASK_INVALID		-1
#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

/*
 * Define standard taskfile in/out register
 */
#define IDE_TASKFILE_STD_IN_FLAGS	0xFE
#define IDE_HOB_STD_IN_FLAGS		0x3C
#define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
#define IDE_HOB_STD_OUT_FLAGS		0x3C

typedef unsigned char task_ioreg_t;
typedef unsigned long sata_ioreg_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;

typedef struct ide_task_request_s {
	__u8		io_ports[8];
	__u8		hob_ports[8]; /* bytes 6 and 7 are unused */
	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;

struct hd_drive_cmd_hdr {
	__u8 command;
	__u8 sector_number;
	__u8 feature;
	__u8 sector_count;
};

typedef struct hd_drive_task_hdr {
	__u8 data;
	__u8 feature;
	__u8 sector_count;
	__u8 sector_number;
	__u8 low_cylinder;
	__u8 high_cylinder;
	__u8 device_head;
	__u8 command;
} task_struct_t;

typedef struct hd_drive_hob_hdr {
	__u8 data;
	__u8 feature;
	__u8 sector_count;
	__u8 sector_number;
	__u8 low_cylinder;
	__u8 high_cylinder;
	__u8 device_head;
	__u8 control;
} hob_struct_t;

#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
#define TASKFILE_48			0x8000
#define TASKFILE_INVALID		0x7fff

/* ATA/ATAPI Commands pre T13 Spec */
#define WIN_NOP				0x00
/*
 *	0x01->0x02 Reserved
 */
#define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
/*
 *	0x04->0x07 Reserved
 */
#define WIN_SRST			0x08 /* ATAPI soft reset command */
#define WIN_DEVICE_RESET		0x08
/*
 *	0x09->0x0F Reserved
 */
#define WIN_RECAL			0x10
#define WIN_RESTORE			WIN_RECAL
/*
 *	0x10->0x1F Reserved
 */
#define WIN_READ			0x20 /* 28-Bit */
#define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
#define WIN_READ_LONG			0x22 /* 28-Bit */
#define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
#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 */
/*
 *	0x28
 */
#define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
/*
 *	0x2A->0x2F Reserved
 */
#define WIN_WRITE			0x30 /* 28-Bit */
#define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
#define WIN_WRITE_LONG			0x32 /* 28-Bit */
#define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
#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_W