linux-headers (unknown)

(root)/
include/
linux/
hdreg.h
       1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
       2  #ifndef _LINUX_HDREG_H
       3  #define _LINUX_HDREG_H
       4  
       5  #include <linux/types.h>
       6  
       7  /*
       8   * Command Header sizes for IOCTL commands
       9   */
      10  
      11  #define HDIO_DRIVE_CMD_HDR_SIZE		(4 * sizeof(__u8))
      12  #define HDIO_DRIVE_HOB_HDR_SIZE		(8 * sizeof(__u8))
      13  #define HDIO_DRIVE_TASK_HDR_SIZE	(8 * sizeof(__u8))
      14  
      15  #define IDE_DRIVE_TASK_NO_DATA		0
      16  #define IDE_DRIVE_TASK_INVALID		-1
      17  #define IDE_DRIVE_TASK_SET_XFER		1
      18  #define IDE_DRIVE_TASK_IN		2
      19  #define IDE_DRIVE_TASK_OUT		3
      20  #define IDE_DRIVE_TASK_RAW_WRITE	4
      21  
      22  /*
      23   * Define standard taskfile in/out register
      24   */
      25  #define IDE_TASKFILE_STD_IN_FLAGS	0xFE
      26  #define IDE_HOB_STD_IN_FLAGS		0x3C
      27  #define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
      28  #define IDE_HOB_STD_OUT_FLAGS		0x3C
      29  
      30  typedef unsigned char task_ioreg_t;
      31  typedef unsigned long sata_ioreg_t;
      32  
      33  typedef union ide_reg_valid_s {
      34  	unsigned all				: 16;
      35  	struct {
      36  		unsigned data			: 1;
      37  		unsigned error_feature		: 1;
      38  		unsigned sector			: 1;
      39  		unsigned nsector		: 1;
      40  		unsigned lcyl			: 1;
      41  		unsigned hcyl			: 1;
      42  		unsigned select			: 1;
      43  		unsigned status_command		: 1;
      44  
      45  		unsigned data_hob		: 1;
      46  		unsigned error_feature_hob	: 1;
      47  		unsigned sector_hob		: 1;
      48  		unsigned nsector_hob		: 1;
      49  		unsigned lcyl_hob		: 1;
      50  		unsigned hcyl_hob		: 1;
      51  		unsigned select_hob		: 1;
      52  		unsigned control_hob		: 1;
      53  	} b;
      54  } ide_reg_valid_t;
      55  
      56  typedef struct ide_task_request_s {
      57  	__u8		io_ports[8];
      58  	__u8		hob_ports[8]; /* bytes 6 and 7 are unused */
      59  	ide_reg_valid_t	out_flags;
      60  	ide_reg_valid_t	in_flags;
      61  	int		data_phase;
      62  	int		req_cmd;
      63  	unsigned long	out_size;
      64  	unsigned long	in_size;
      65  } ide_task_request_t;
      66  
      67  typedef struct ide_ioctl_request_s {
      68  	ide_task_request_t	*task_request;
      69  	unsigned char		*out_buffer;
      70  	unsigned char		*in_buffer;
      71  } ide_ioctl_request_t;
      72  
      73  struct hd_drive_cmd_hdr {
      74  	__u8 command;
      75  	__u8 sector_number;
      76  	__u8 feature;
      77  	__u8 sector_count;
      78  };
      79  
      80  typedef struct hd_drive_task_hdr {
      81  	__u8 data;
      82  	__u8 feature;
      83  	__u8 sector_count;
      84  	__u8 sector_number;
      85  	__u8 low_cylinder;
      86  	__u8 high_cylinder;
      87  	__u8 device_head;
      88  	__u8 command;
      89  } task_struct_t;
      90  
      91  typedef struct hd_drive_hob_hdr {
      92  	__u8 data;
      93  	__u8 feature;
      94  	__u8 sector_count;
      95  	__u8 sector_number;
      96  	__u8 low_cylinder;
      97  	__u8 high_cylinder;
      98  	__u8 device_head;
      99  	__u8 control;
     100  } hob_struct_t;
     101  
     102  #define TASKFILE_NO_DATA		0x0000
     103  
     104  #define TASKFILE_IN			0x0001
     105  #define TASKFILE_MULTI_IN		0x0002
     106  
     107  #define TASKFILE_OUT			0x0004
     108  #define TASKFILE_MULTI_OUT		0x0008
     109  #define TASKFILE_IN_OUT			0x0010
     110  
     111  #define TASKFILE_IN_DMA			0x0020
     112  #define TASKFILE_OUT_DMA		0x0040
     113  #define TASKFILE_IN_DMAQ		0x0080
     114  #define TASKFILE_OUT_DMAQ		0x0100
     115  
     116  #define TASKFILE_P_IN			0x0200
     117  #define TASKFILE_P_OUT			0x0400
     118  #define TASKFILE_P_IN_DMA		0x0800
     119  #define TASKFILE_P_OUT_DMA		0x1000
     120  #define TASKFILE_P_IN_DMAQ		0x2000
     121  #define TASKFILE_P_OUT_DMAQ		0x4000
     122  #define TASKFILE_48			0x8000
     123  #define TASKFILE_INVALID		0x7fff
     124  
     125  /* ATA/ATAPI Commands pre T13 Spec */
     126  #define WIN_NOP				0x00
     127  /*
     128   *	0x01->0x02 Reserved
     129   */
     130  #define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
     131  /*
     132   *	0x04->0x07 Reserved
     133   */
     134  #define WIN_SRST			0x08 /* ATAPI soft reset command */
     135  #define WIN_DEVICE_RESET		0x08
     136  /*
     137   *	0x09->0x0F Reserved
     138   */
     139  #define WIN_RECAL			0x10
     140  #define WIN_RESTORE			WIN_RECAL
     141  /*
     142   *	0x10->0x1F Reserved
     143   */
     144  #define WIN_READ			0x20 /* 28-Bit */
     145  #define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
     146  #define WIN_READ_LONG			0x22 /* 28-Bit */
     147  #define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
     148  #define WIN_READ_EXT			0x24 /* 48-Bit */
     149  #define WIN_READDMA_EXT			0x25 /* 48-Bit */
     150  #define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
     151  #define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
     152  /*
     153   *	0x28
     154   */
     155  #define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
     156  /*
     157   *	0x2A->0x2F Reserved
     158   */
     159  #define WIN_WRITE			0x30 /* 28-Bit */
     160  #define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
     161  #define WIN_WRITE_LONG			0x32 /* 28-Bit */
     162  #define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
     163  #define WIN_WRITE_EXT			0x34 /* 48-Bit */
     164  #define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
     165  #define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
     166  #define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
     167  #define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
     168  #define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
     169  /*
     170   *	0x3A->0x3B Reserved
     171   */
     172  #define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
     173  /*
     174   *	0x3D->0x3F Reserved
     175   */
     176  #define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
     177  #define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
     178  #define WIN_VERIFY_EXT			0x42 /* 48-Bit */
     179  /*
     180   *	0x43->0x4F Reserved
     181   */
     182  #define WIN_FORMAT			0x50
     183  /*
     184   *	0x51->0x5F Reserved
     185   */
     186  #define WIN_INIT			0x60
     187  /*
     188   *	0x61->0x5F Reserved
     189   */
     190  #define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
     191  
     192  #define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
     193  #define WIN_DIAGNOSE			0x90
     194  #define WIN_SPECIFY			0x91 /* set drive geometry translation */
     195  #define WIN_DOWNLOAD_MICROCODE		0x92
     196  #define WIN_STANDBYNOW2			0x94
     197  #define WIN_STANDBY2			0x96
     198  #define WIN_SETIDLE2			0x97
     199  #define WIN_CHECKPOWERMODE2		0x98
     200  #define WIN_SLEEPNOW2			0x99
     201  /*
     202   *	0x9A VENDOR
     203   */
     204  #define WIN_PACKETCMD			0xA0 /* Send a packet command. */
     205  #define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
     206  #define WIN_QUEUED_SERVICE		0xA2
     207  #define WIN_SMART			0xB0 /* self-monitoring and reporting */
     208  #define CFA_ERASE_SECTORS		0xC0
     209  #define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
     210  #define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
     211  #define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
     212  #define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */
     213  #define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
     214  #define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
     215  #define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
     216  #define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
     217  #define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
     218  #define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
     219  #define WIN_GETMEDIASTATUS		0xDA
     220  #define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
     221  #define WIN_POSTBOOT			0xDC
     222  #define WIN_PREBOOT 			0xDD
     223  #define WIN_DOORLOCK			0xDE /* lock door on removable drives */
     224  #define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
     225  #define WIN_STANDBYNOW1			0xE0
     226  #define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
     227  #define WIN_STANDBY			0xE2 /* Set device in Standby Mode */
     228  #define WIN_SETIDLE1			0xE3
     229  #define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
     230  #define WIN_CHECKPOWERMODE1		0xE5
     231  #define WIN_SLEEPNOW1			0xE6
     232  #define WIN_FLUSH_CACHE			0xE7
     233  #define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
     234  #define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
     235  	/* SET_FEATURES 0x22 or 0xDD */
     236  #define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
     237  #define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
     238  #define WIN_MEDIAEJECT			0xED
     239  #define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
     240  #define WIN_SETFEATURES			0xEF /* set special drive features */
     241  #define EXABYTE_ENABLE_NEST		0xF0
     242  #define WIN_SECURITY_SET_PASS		0xF1
     243  #define WIN_SECURITY_UNLOCK		0xF2
     244  #define WIN_SECURITY_ERASE_PREPARE	0xF3
     245  #define WIN_SECURITY_ERASE_UNIT		0xF4
     246  #define WIN_SECURITY_FREEZE_LOCK	0xF5
     247  #define WIN_SECURITY_DISABLE		0xF6
     248  #define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
     249  #define WIN_SET_MAX			0xF9
     250  #define DISABLE_SEAGATE			0xFB
     251  
     252  /* WIN_SMART sub-commands */
     253  
     254  #define SMART_READ_VALUES		0xD0
     255  #define SMART_READ_THRESHOLDS		0xD1
     256  #define SMART_AUTOSAVE			0xD2
     257  #define SMART_SAVE			0xD3
     258  #define SMART_IMMEDIATE_OFFLINE		0xD4
     259  #define SMART_READ_LOG_SECTOR		0xD5
     260  #define SMART_WRITE_LOG_SECTOR		0xD6
     261  #define SMART_WRITE_THRESHOLDS		0xD7
     262  #define SMART_ENABLE			0xD8
     263  #define SMART_DISABLE			0xD9
     264  #define SMART_STATUS			0xDA
     265  #define SMART_AUTO_OFFLINE		0xDB
     266  
     267  /* Password used in TF4 & TF5 executing SMART commands */
     268  
     269  #define SMART_LCYL_PASS			0x4F
     270  #define SMART_HCYL_PASS			0xC2
     271  
     272  /* WIN_SETFEATURES sub-commands */
     273  #define SETFEATURES_EN_8BIT	0x01	/* Enable 8-Bit Transfers */
     274  #define SETFEATURES_EN_WCACHE	0x02	/* Enable write cache */
     275  #define SETFEATURES_DIS_DEFECT	0x04	/* Disable Defect Management */
     276  #define SETFEATURES_EN_APM	0x05	/* Enable advanced power management */
     277  #define SETFEATURES_EN_SAME_R	0x22	/* for a region ATA-1 */
     278  #define SETFEATURES_DIS_MSN	0x31	/* Disable Media Status Notification */
     279  #define SETFEATURES_DIS_RETRY	0x33	/* Disable Retry */
     280  #define SETFEATURES_EN_AAM	0x42	/* Enable Automatic Acoustic Management */
     281  #define SETFEATURES_RW_LONG	0x44	/* Set Length of VS bytes */
     282  #define SETFEATURES_SET_CACHE	0x54	/* Set Cache segments to SC Reg. Val */
     283  #define SETFEATURES_DIS_RLA	0x55	/* Disable read look-ahead feature */
     284  #define SETFEATURES_EN_RI	0x5D	/* Enable release interrupt */
     285  #define SETFEATURES_EN_SI	0x5E	/* Enable SERVICE interrupt */
     286  #define SETFEATURES_DIS_RPOD	0x66	/* Disable reverting to power on defaults */
     287  #define SETFEATURES_DIS_ECC	0x77	/* Disable ECC byte count */
     288  #define SETFEATURES_DIS_8BIT	0x81	/* Disable 8-Bit Transfers */
     289  #define SETFEATURES_DIS_WCACHE	0x82	/* Disable write cache */
     290  #define SETFEATURES_EN_DEFECT	0x84	/* Enable Defect Management */
     291  #define SETFEATURES_DIS_APM	0x85	/* Disable advanced power management */
     292  #define SETFEATURES_EN_ECC	0x88	/* Enable ECC byte count */
     293  #define SETFEATURES_EN_MSN	0x95	/* Enable Media Status Notification */
     294  #define SETFEATURES_EN_RETRY	0x99	/* Enable Retry */
     295  #define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
     296  #define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
     297  #define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
     298  #define SETFEATURES_4B_RW_LONG	0xBB	/* Set Length of 4 bytes */
     299  #define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
     300  #define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
     301  #define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
     302  #define SETFEATURES_EN_SAME_M	0xDD	/* for a entire device ATA-1 */
     303  #define SETFEATURES_DIS_SI	0xDE	/* Disable SERVICE interrupt ATAPI */
     304  
     305  /* WIN_SECURITY sub-commands */
     306  
     307  #define SECURITY_SET_PASSWORD		0xBA
     308  #define SECURITY_UNLOCK			0xBB
     309  #define SECURITY_ERASE_PREPARE		0xBC
     310  #define SECURITY_ERASE_UNIT		0xBD
     311  #define SECURITY_FREEZE_LOCK		0xBE
     312  #define SECURITY_DISABLE_PASSWORD	0xBF
     313  
     314  struct hd_geometry {
     315        unsigned char heads;
     316        unsigned char sectors;
     317        unsigned short cylinders;
     318        unsigned long start;
     319  };
     320  
     321  /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
     322  #define HDIO_GETGEO		0x0301	/* get device geometry */
     323  #define HDIO_GET_UNMASKINTR	0x0302	/* get current unmask setting */
     324  #define HDIO_GET_MULTCOUNT	0x0304	/* get current IDE blockmode setting */
     325  #define HDIO_GET_QDMA		0x0305	/* get use-qdma flag */
     326  
     327  #define HDIO_SET_XFER		0x0306  /* set transfer rate via proc */
     328  
     329  #define HDIO_OBSOLETE_IDENTITY	0x0307	/* OBSOLETE, DO NOT USE: returns 142 bytes */
     330  #define HDIO_GET_KEEPSETTINGS	0x0308	/* get keep-settings-on-reset flag */
     331  #define HDIO_GET_32BIT		0x0309	/* get current io_32bit setting */
     332  #define HDIO_GET_NOWERR		0x030a	/* get ignore-write-error flag */
     333  #define HDIO_GET_DMA		0x030b	/* get use-dma flag */
     334  #define HDIO_GET_NICE		0x030c	/* get nice flags */
     335  #define HDIO_GET_IDENTITY	0x030d	/* get IDE identification info */
     336  #define HDIO_GET_WCACHE		0x030e	/* get write cache mode on|off */
     337  #define HDIO_GET_ACOUSTIC	0x030f	/* get acoustic value */
     338  #define	HDIO_GET_ADDRESS	0x0310	/* */
     339  
     340  #define HDIO_GET_BUSSTATE	0x031a	/* get the bus state of the hwif */
     341  #define HDIO_TRISTATE_HWIF	0x031b	/* execute a channel tristate */
     342  #define HDIO_DRIVE_RESET	0x031c	/* execute a device reset */
     343  #define HDIO_DRIVE_TASKFILE	0x031d	/* execute raw taskfile */
     344  #define HDIO_DRIVE_TASK		0x031e	/* execute task and special drive command */
     345  #define HDIO_DRIVE_CMD		0x031f	/* execute a special drive command */
     346  #define HDIO_DRIVE_CMD_AEB	HDIO_DRIVE_TASK
     347  
     348  /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
     349  #define HDIO_SET_MULTCOUNT	0x0321	/* change IDE blockmode */
     350  #define HDIO_SET_UNMASKINTR	0x0322	/* permit other irqs during I/O */
     351  #define HDIO_SET_KEEPSETTINGS	0x0323	/* keep ioctl settings on reset */
     352  #define HDIO_SET_32BIT		0x0324	/* change io_32bit flags */
     353  #define HDIO_SET_NOWERR		0x0325	/* change ignore-write-error flag */
     354  #define HDIO_SET_DMA		0x0326	/* change use-dma flag */
     355  #define HDIO_SET_PIO_MODE	0x0327	/* reconfig interface to new speed */
     356  #define HDIO_SCAN_HWIF		0x0328	/* register and (re)scan interface */
     357  #define HDIO_UNREGISTER_HWIF	0x032a  /* unregister interface */
     358  #define HDIO_SET_NICE		0x0329	/* set nice flags */
     359  #define HDIO_SET_WCACHE		0x032b	/* change write cache enable-disable */
     360  #define HDIO_SET_ACOUSTIC	0x032c	/* change acoustic behavior */
     361  #define HDIO_SET_BUSSTATE	0x032d	/* set the bus state of the hwif */
     362  #define HDIO_SET_QDMA		0x032e	/* change use-qdma flag */
     363  #define HDIO_SET_ADDRESS	0x032f	/* change lba addressing modes */
     364  
     365  /* bus states */
     366  enum {
     367  	BUSSTATE_OFF = 0,
     368  	BUSSTATE_ON,
     369  	BUSSTATE_TRISTATE
     370  };
     371  
     372  /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
     373  /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
     374  /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
     375  /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
     376  /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
     377  
     378  #define __NEW_HD_DRIVE_ID
     379  
     380  /*
     381   * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
     382   *
     383   * If you change something here, please remember to update fix_driveid() in
     384   * ide/probe.c.
     385   */
     386  struct hd_driveid {
     387  	unsigned short	config;		/* lots of obsolete bit flags */
     388  	unsigned short	cyls;		/* Obsolete, "physical" cyls */
     389  	unsigned short	reserved2;	/* reserved (word 2) */
     390  	unsigned short	heads;		/* Obsolete, "physical" heads */
     391  	unsigned short	track_bytes;	/* unformatted bytes per track */
     392  	unsigned short	sector_bytes;	/* unformatted bytes per sector */
     393  	unsigned short	sectors;	/* Obsolete, "physical" sectors per track */
     394  	unsigned short	vendor0;	/* vendor unique */
     395  	unsigned short	vendor1;	/* vendor unique */
     396  	unsigned short	vendor2;	/* Retired vendor unique */
     397  	unsigned char	serial_no[20];	/* 0 = not_specified */
     398  	unsigned short	buf_type;	/* Retired */
     399  	unsigned short	buf_size;	/* Retired, 512 byte increments
     400  					 * 0 = not_specified
     401  					 */
     402  	unsigned short	ecc_bytes;	/* for r/w long cmds; 0 = not_specified */
     403  	unsigned char	fw_rev[8];	/* 0 = not_specified */
     404  	unsigned char	model[40];	/* 0 = not_specified */
     405  	unsigned char	max_multsect;	/* 0=not_implemented */
     406  	unsigned char	vendor3;	/* vendor unique */
     407  	unsigned short	dword_io;	/* 0=not_implemented; 1=implemented */
     408  	unsigned char	vendor4;	/* vendor unique */
     409  	unsigned char	capability;	/* (upper byte of word 49)
     410  					 *  3:	IORDYsup
     411  					 *  2:	IORDYsw
     412  					 *  1:	LBA
     413  					 *  0:	DMA
     414  					 */
     415  	unsigned short	reserved50;	/* reserved (word 50) */
     416  	unsigned char	vendor5;	/* Obsolete, vendor unique */
     417  	unsigned char	tPIO;		/* Obsolete, 0=slow, 1=medium, 2=fast */
     418  	unsigned char	vendor6;	/* Obsolete, vendor unique */
     419  	unsigned char	tDMA;		/* Obsolete, 0=slow, 1=medium, 2=fast */
     420  	unsigned short	field_valid;	/* (word 53)
     421  					 *  2:	ultra_ok	word  88
     422  					 *  1:	eide_ok		words 64-70
     423  					 *  0:	cur_ok		words 54-58
     424  					 */
     425  	unsigned short	cur_cyls;	/* Obsolete, logical cylinders */
     426  	unsigned short	cur_heads;	/* Obsolete, l heads */
     427  	unsigned short	cur_sectors;	/* Obsolete, l sectors per track */
     428  	unsigned short	cur_capacity0;	/* Obsolete, l total sectors on drive */
     429  	unsigned short	cur_capacity1;	/* Obsolete, (2 words, misaligned int)     */
     430  	unsigned char	multsect;	/* current multiple sector count */
     431  	unsigned char	multsect_valid;	/* when (bit0==1) multsect is ok */
     432  	unsigned int	lba_capacity;	/* Obsolete, total number of sectors */
     433  	unsigned short	dma_1word;	/* Obsolete, single-word dma info */
     434  	unsigned short	dma_mword;	/* multiple-word dma info */
     435  	unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
     436  	unsigned short  eide_dma_min;	/* min mword dma cycle time (ns) */
     437  	unsigned short  eide_dma_time;	/* recommended mword dma cycle time (ns) */
     438  	unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
     439  	unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
     440  	unsigned short	words69_70[2];	/* reserved words 69-70
     441  					 * future command overlap and queuing
     442  					 */
     443  	unsigned short	words71_74[4];	/* reserved words 71-74
     444  					 * for IDENTIFY PACKET DEVICE command
     445  					 */
     446  	unsigned short  queue_depth;	/* (word 75)
     447  					 * 15:5	reserved
     448  					 *  4:0	Maximum queue depth -1
     449  					 */
     450  	unsigned short  words76_79[4];	/* reserved words 76-79 */
     451  	unsigned short  major_rev_num;	/* (word 80) */
     452  	unsigned short  minor_rev_num;	/* (word 81) */
     453  	unsigned short  command_set_1;	/* (word 82) supported
     454  					 * 15:	Obsolete
     455  					 * 14:	NOP command
     456  					 * 13:	READ_BUFFER
     457  					 * 12:	WRITE_BUFFER
     458  					 * 11:	Obsolete
     459  					 * 10:	Host Protected Area
     460  					 *  9:	DEVICE Reset
     461  					 *  8:	SERVICE Interrupt
     462  					 *  7:	Release Interrupt
     463  					 *  6:	look-ahead
     464  					 *  5:	write cache
     465  					 *  4:	PACKET Command
     466  					 *  3:	Power Management Feature Set
     467  					 *  2:	Removable Feature Set
     468  					 *  1:	Security Feature Set
     469  					 *  0:	SMART Feature Set
     470  					 */
     471  	unsigned short  command_set_2;	/* (word 83)
     472  					 * 15:	Shall be ZERO
     473  					 * 14:	Shall be ONE
     474  					 * 13:	FLUSH CACHE EXT
     475  					 * 12:	FLUSH CACHE
     476  					 * 11:	Device Configuration Overlay
     477  					 * 10:	48-bit Address Feature Set
     478  					 *  9:	Automatic Acoustic Management
     479  					 *  8:	SET MAX security
     480  					 *  7:	reserved 1407DT PARTIES
     481  					 *  6:	SetF sub-command Power-Up
     482  					 *  5:	Power-Up in Standby Feature Set
     483  					 *  4:	Removable Media Notification
     484  					 *  3:	APM Feature Set
     485  					 *  2:	CFA Feature Set
     486  					 *  1:	READ/WRITE DMA QUEUED
     487  					 *  0:	Download MicroCode
     488  					 */
     489  	unsigned short  cfsse;		/* (word 84)
     490  					 * cmd set-feature supported extensions
     491  					 * 15:	Shall be ZERO
     492  					 * 14:	Shall be ONE
     493  					 * 13:6	reserved
     494  					 *  5:	General Purpose Logging
     495  					 *  4:	Streaming Feature Set
     496  					 *  3:	Media Card Pass Through
     497  					 *  2:	Media Serial Number Valid
     498  					 *  1:	SMART selt-test supported
     499  					 *  0:	SMART error logging
     500  					 */
     501  	unsigned short  cfs_enable_1;	/* (word 85)
     502  					 * command set-feature enabled
     503  					 * 15:	Obsolete
     504  					 * 14:	NOP command
     505  					 * 13:	READ_BUFFER
     506  					 * 12:	WRITE_BUFFER
     507  					 * 11:	Obsolete
     508  					 * 10:	Host Protected Area
     509  					 *  9:	DEVICE Reset
     510  					 *  8:	SERVICE Interrupt
     511  					 *  7:	Release Interrupt
     512  					 *  6:	look-ahead
     513  					 *  5:	write cache
     514  					 *  4:	PACKET Command
     515  					 *  3:	Power Management Feature Set
     516  					 *  2:	Removable Feature Set
     517  					 *  1:	Security Feature Set
     518  					 *  0:	SMART Feature Set
     519  					 */
     520  	unsigned short  cfs_enable_2;	/* (word 86)
     521  					 * command set-feature enabled
     522  					 * 15:	Shall be ZERO
     523  					 * 14:	Shall be ONE
     524  					 * 13:	FLUSH CACHE EXT
     525  					 * 12:	FLUSH CACHE
     526  					 * 11:	Device Configuration Overlay
     527  					 * 10:	48-bit Address Feature Set
     528  					 *  9:	Automatic Acoustic Management
     529  					 *  8:	SET MAX security
     530  					 *  7:	reserved 1407DT PARTIES
     531  					 *  6:	SetF sub-command Power-Up
     532  					 *  5:	Power-Up in Standby Feature Set
     533  					 *  4:	Removable Media Notification
     534  					 *  3:	APM Feature Set
     535  					 *  2:	CFA Feature Set
     536  					 *  1:	READ/WRITE DMA QUEUED
     537  					 *  0:	Download MicroCode
     538  					 */
     539  	unsigned short  csf_default;	/* (word 87)
     540  					 * command set-feature default
     541  					 * 15:	Shall be ZERO
     542  					 * 14:	Shall be ONE
     543  					 * 13:6	reserved
     544  					 *  5:	General Purpose Logging enabled
     545  					 *  4:	Valid CONFIGURE STREAM executed
     546  					 *  3:	Media Card Pass Through enabled
     547  					 *  2:	Media Serial Number Valid
     548  					 *  1:	SMART selt-test supported
     549  					 *  0:	SMART error logging
     550  					 */
     551  	unsigned short  dma_ultra;	/* (word 88) */
     552  	unsigned short	trseuc;		/* time required for security erase */
     553  	unsigned short	trsEuc;		/* time required for enhanced erase */
     554  	unsigned short	CurAPMvalues;	/* current APM values */
     555  	unsigned short	mprc;		/* master password revision code */
     556  	unsigned short	hw_config;	/* hardware config (word 93)
     557  					 * 15:	Shall be ZERO
     558  					 * 14:	Shall be ONE
     559  					 * 13:
     560  					 * 12:
     561  					 * 11:
     562  					 * 10:
     563  					 *  9:
     564  					 *  8:
     565  					 *  7:
     566  					 *  6:
     567  					 *  5:
     568  					 *  4:
     569  					 *  3:
     570  					 *  2:
     571  					 *  1:
     572  					 *  0:	Shall be ONE
     573  					 */
     574  	unsigned short	acoustic;	/* (word 94)
     575  					 * 15:8	Vendor's recommended value
     576  					 *  7:0	current value
     577  					 */
     578  	unsigned short	msrqs;		/* min stream request size */
     579  	unsigned short	sxfert;		/* stream transfer time */
     580  	unsigned short	sal;		/* stream access latency */
     581  	unsigned int	spg;		/* stream performance granularity */
     582  	unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
     583  	unsigned short	words104_125[22];/* reserved words 104-125 */
     584  	unsigned short	last_lun;	/* (word 126) */
     585  	unsigned short	word127;	/* (word 127) Feature Set
     586  					 * Removable Media Notification
     587  					 * 15:2	reserved
     588  					 *  1:0	00 = not supported
     589  					 *	01 = supported
     590  					 *	10 = reserved
     591  					 *	11 = reserved
     592  					 */
     593  	unsigned short	dlf;		/* (word 128)
     594  					 * device lock function
     595  					 * 15:9	reserved
     596  					 *  8	security level 1:max 0:high
     597  					 *  7:6	reserved
     598  					 *  5	enhanced erase
     599  					 *  4	expire
     600  					 *  3	frozen
     601  					 *  2	locked
     602  					 *  1	en/disabled
     603  					 *  0	capability
     604  					 */
     605  	unsigned short  csfo;		/*  (word 129)
     606  					 * current set features options
     607  					 * 15:4	reserved
     608  					 *  3:	auto reassign
     609  					 *  2:	reverting
     610  					 *  1:	read-look-ahead
     611  					 *  0:	write cache
     612  					 */
     613  	unsigned short	words130_155[26];/* reserved vendor words 130-155 */
     614  	unsigned short	word156;	/* reserved vendor word 156 */
     615  	unsigned short	words157_159[3];/* reserved vendor words 157-159 */
     616  	unsigned short	cfa_power;	/* (word 160) CFA Power Mode
     617  					 * 15 word 160 supported
     618  					 * 14 reserved
     619  					 * 13
     620  					 * 12
     621  					 * 11:0
     622  					 */
     623  	unsigned short	words161_175[15];/* Reserved for CFA */
     624  	unsigned short	words176_205[30];/* Current Media Serial Number */
     625  	unsigned short	words206_254[49];/* reserved words 206-254 */
     626  	unsigned short	integrity_word;	/* (word 255)
     627  					 * 15:8 Checksum
     628  					 *  7:0 Signature
     629  					 */
     630  };
     631  
     632  /*
     633   * IDE "nice" flags. These are used on a per drive basis to determine
     634   * when to be nice and give more bandwidth to the other devices which
     635   * share the same IDE bus.
     636   */
     637  #define IDE_NICE_DSC_OVERLAP	(0)	/* per the DSC overlap protocol */
     638  #define IDE_NICE_ATAPI_OVERLAP	(1)	/* not supported yet */
     639  #define IDE_NICE_1		(3)	/* when probably won't affect us much */
     640  #define IDE_NICE_0		(2)	/* when sure that it won't affect us */
     641  #define IDE_NICE_2		(4)	/* when we know it's on our expense */
     642  
     643  #endif	/* _LINUX_HDREG_H */