cregit-Linux how code gets into the kernel

Release 4.7 include/uapi/linux/hdreg.h

#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
#ifndef __KERNEL__

#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
#endif

#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
#ifndef __KERNEL__

#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;
#endif


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;
};

#ifndef __KERNEL__

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;
#endif


#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

#ifndef __KERNEL__

#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
#endif

#ifndef __KERNEL__
/* 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_WRITE_SECT_WO_ERASE		0x38 
/* CFA Write Sectors without erase */

#define WIN_MULTWRITE_EXT		0x39 
/* 48-Bit */
/*
 *      0x3A->0x3B Reserved
 */

#define WIN_WRITE_VERIFY		0x3C 
/* 28-Bit */
/*
 *      0x3D->0x3F Reserved
 */

#define WIN_VERIFY			0x40 
/* 28-Bit - Read Verify Sectors */

#define WIN_VERIFY_ONCE			0x41 
/* 28-Bit - without retries */

#define WIN_VERIFY_EXT			0x42 
/* 48-Bit */
/*
 *      0x43->0x4F Reserved
 */

#define WIN_FORMAT			0x50
/*
 *      0x51->0x5F Reserved
 */

#define WIN_INIT			0x60
/*
 *      0x61->0x5F Reserved
 */

#define WIN_SEEK			0x70 
/* 0x70-0x7F Reserved */


#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_STANDBY2			0x96

#define WIN_SETIDLE2			0x97

#define WIN_CHECKPOWERMODE2		0x98

#define WIN_SLEEPNOW2			0x99
/*
 *      0x9A VENDOR
 */

#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_READDMA_ONCE		0xC9 
/* 28-Bit - without retries */

#define WIN_WRITEDMA			0xCA 
/* write sectors using DMA transfers */

#define WIN_WRITEDMA_ONCE		0xCB 
/* 28-Bit - without retries */

#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_ACKMEDIACHANGE		0xDB 
/* ATA-1, ATA-2 vendor */

#define WIN_POSTBOOT			0xDC

#define WIN_PREBOOT 			0xDD

#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_WRITE_SAME			0xE9 
/* read ata-2 to use */
	/* SET_FEATURES 0x22 or 0xDD */

#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_8BIT	0x01	
/* Enable 8-Bit Transfers */

#define SETFEATURES_EN_WCACHE	0x02	
/* Enable write cache */

#define SETFEATURES_DIS_DEFECT	0x04	
/* Disable Defect Management */

#define SETFEATURES_EN_APM	0x05	
/* Enable advanced power management */

#define SETFEATURES_EN_SAME_R	0x22	
/* for a region ATA-1 */

#define SETFEATURES_DIS_MSN	0x31	
/* Disable Media Status Notification */

#define SETFEATURES_DIS_RETRY	0x33	
/* Disable Retry */

#define SETFEATURES_EN_AAM	0x42	
/* Enable Automatic Acoustic Management */

#define SETFEATURES_RW_LONG	0x44	
/* Set Length of VS bytes */

#define SETFEATURES_SET_CACHE	0x54	
/* Set Cache segments to SC Reg. Val */

#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_ECC	0x77	
/* Disable ECC byte count */

#define SETFEATURES_DIS_8BIT	0x81	
/* Disable 8-Bit Transfers */

#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_ECC	0x88	
/* Enable ECC byte count */

#define SETFEATURES_EN_MSN	0x95	
/* Enable Media Status Notification */

#define SETFEATURES_EN_RETRY	0x99	
/* Enable Retry */

#define SETFEATURES_EN_RLA	0xAA	
/* Enable read look-ahead feature */

#define SETFEATURES_PREFETCH	0xAB	
/* Sets drive prefetch value */

#define SETFEATURES_EN_REST	0xAC	
/* ATA-1 */

#define SETFEATURES_4B_RW_LONG	0xBB	
/* Set Length of 4 bytes */

#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 ATAPI */

#define SETFEATURES_EN_SAME_M	0xDD	
/* for a entire device ATA-1 */

#define SETFEATURES_DIS_SI	0xDE	
/* Disable SERVICE interrupt ATAPI */

/* 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
#endif /* __KERNEL__ */


struct hd_geometry {
      
unsigned char heads;
      
unsigned char sectors;
      
unsigned short 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_SET_XFER		0x0306  
/* set transfer rate via proc */


#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 */
#ifndef __KERNEL__

#define HDIO_SCAN_HWIF		0x0328	
/* register and (re)scan interface */

#define HDIO_UNREGISTER_HWIF	0x032a  
/* unregister interface */
#endif

#define HDIO_SET_NICE		0x0329	
/* set nice flags */

#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 */
/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
/* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
/* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */


#define __NEW_HD_DRIVE_ID

#ifndef __KERNEL__
/*
 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
 *
 * If you change something here, please remember to update fix_driveid() in
 * ide/probe.c.
 */

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
                                         */
	
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
                                         * 13:6 reserved
                                         *  5:  General Purpose Logging
                                         *  4:  Streaming Feature Set
                                         *  3:  Media Card Pass Through
                                         *  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
                                         * 13:6 reserved
                                         *  5:  General Purpose Logging enabled
                                         *  4:  Valid CONFIGURE STREAM executed
                                         *  3:  Media Card Pass Through enabled
                                         *  2:  Media Serial Number Valid
                                         *  1:  SMART selt-test supported
                                         *  0:  SMART error logging
                                         */
	
unsigned short  dma_ultra;	/* (word 88) */
	
unsigned short	trseuc;		/* time required for security erase */
	
unsigned short	trsEuc;		/* time required for enhanced erase */
	
unsigned short	CurAPMvalues;	/* current APM values */
	
unsigned short	mprc;		/* master password revision code */
	
unsigned short	hw_config;	/* hardware config (word 93)
                                         * 15:  Shall be ZERO
                                         * 14:  Shall be ONE
                                         * 13:
                                         * 12:
                                         * 11:
                                         * 10:
                                         *  9:
                                         *  8:
                                         *  7:
                                         *  6:
                                         *  5:
                                         *  4:
                                         *  3:
                                         *  2:
                                         *  1:
                                         *  0:  Shall be ONE
                                         */
	
unsigned short	acoustic;	/* (word 94)
                                         * 15:8 Vendor's recommended value
                                         *  7:0 current value
                                         */
	
unsigned short	msrqs;		/* min stream request size */
	
unsigned short	sxfert;		/* stream transfer time */
	
unsigned short	sal;		/* stream access latency */
	
unsigned int	spg;		/* stream performance granularity */
	
unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
	
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[15];/* Reserved for CFA */
	
unsigned short	words176_205[30];/* Current Media Serial Number */
	
unsigned short	words206_254[49];/* reserved words 206-254 */
	
unsigned short	integrity_word;	/* (word 255)
                                         * 15:8 Checksum
                                         *  7:0 Signature
                                         */
};
#endif /* __KERNEL__ */

/*
 * 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_1		(3)	
/* when probably won't affect us much */
#ifndef __KERNEL__

#define IDE_NICE_0		(2)	
/* when sure that it won't affect us */

#define IDE_NICE_2		(4)	
/* when we know it's on our expense */
#endif

#endif	/* _LINUX_HDREG_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
jens axboejens axboe152285.84%25.56%
bartlomiej zolnierkiewiczbartlomiej zolnierkiewicz985.53%1027.78%
pre-gitpre-git915.13%1644.44%
linus torvaldslinus torvalds492.76%25.56%
mike frysingermike frysinger60.34%12.78%
alan coxalan cox40.23%25.56%
martin daleckimartin dalecki20.11%25.56%
paulius zaleckaspaulius zaleckas10.06%12.78%
Total1773100.00%36100.00%
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