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      1 #ifndef _LINUX_HDREG_H
      2 #define _LINUX_HDREG_H
      3 
      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_INVALID		-1
     16 #define IDE_DRIVE_TASK_NO_DATA		0
     17 #define IDE_DRIVE_TASK_SET_XFER		1
     18 
     19 #define IDE_DRIVE_TASK_IN		2
     20 
     21 #define IDE_DRIVE_TASK_OUT		3
     22 #define IDE_DRIVE_TASK_RAW_WRITE	4
     23 
     24 /*
     25  * Define standard taskfile in/out register
     26  */
     27 #define IDE_TASKFILE_STD_IN_FLAGS	0xFE
     28 #define IDE_HOB_STD_IN_FLAGS		0x3C
     29 #define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
     30 #define IDE_HOB_STD_OUT_FLAGS		0x3C
     31 
     32 typedef unsigned char task_ioreg_t;
     33 typedef unsigned long sata_ioreg_t;
     34 
     35 typedef union ide_reg_valid_s {
     36 	unsigned all				: 16;
     37 	struct {
     38 		unsigned data			: 1;
     39 		unsigned error_feature		: 1;
     40 		unsigned sector			: 1;
     41 		unsigned nsector		: 1;
     42 		unsigned lcyl			: 1;
     43 		unsigned hcyl			: 1;
     44 		unsigned select			: 1;
     45 		unsigned status_command		: 1;
     46 
     47 		unsigned data_hob		: 1;
     48 		unsigned error_feature_hob	: 1;
     49 		unsigned sector_hob		: 1;
     50 		unsigned nsector_hob		: 1;
     51 		unsigned lcyl_hob		: 1;
     52 		unsigned hcyl_hob		: 1;
     53 		unsigned select_hob		: 1;
     54 		unsigned control_hob		: 1;
     55 	} b;
     56 } ide_reg_valid_t;
     57 
     58 typedef struct ide_task_request_s {
     59 	task_ioreg_t	io_ports[8];
     60 	task_ioreg_t	hob_ports[8];
     61 	ide_reg_valid_t	out_flags;
     62 	ide_reg_valid_t	in_flags;
     63 	int		data_phase;
     64 	int		req_cmd;
     65 	unsigned long	out_size;
     66 	unsigned long	in_size;
     67 } ide_task_request_t;
     68 
     69 typedef struct ide_ioctl_request_s {
     70 	ide_task_request_t	*task_request;
     71 	unsigned char		*out_buffer;
     72 	unsigned char		*in_buffer;
     73 } ide_ioctl_request_t;
     74 
     75 struct hd_drive_cmd_hdr {
     76 	task_ioreg_t command;
     77 	task_ioreg_t sector_number;
     78 	task_ioreg_t feature;
     79 	task_ioreg_t sector_count;
     80 };
     81 
     82 typedef struct hd_drive_task_hdr {
     83 	task_ioreg_t data;
     84 	task_ioreg_t feature;
     85 	task_ioreg_t sector_count;
     86 	task_ioreg_t sector_number;
     87 	task_ioreg_t low_cylinder;
     88 	task_ioreg_t high_cylinder;
     89 	task_ioreg_t device_head;
     90 	task_ioreg_t command;
     91 } task_struct_t;
     92 
     93 typedef struct hd_drive_hob_hdr {
     94 	task_ioreg_t data;
     95 	task_ioreg_t feature;
     96 	task_ioreg_t sector_count;
     97 	task_ioreg_t sector_number;
     98 	task_ioreg_t low_cylinder;
     99 	task_ioreg_t high_cylinder;
    100 	task_ioreg_t device_head;
    101 	task_ioreg_t control;
    102 } hob_struct_t;
    103 
    104 #define TASKFILE_INVALID		0x7fff
    105 #define TASKFILE_48			0x8000
    106 
    107 #define TASKFILE_NO_DATA		0x0000
    108 
    109 #define TASKFILE_IN			0x0001
    110 #define TASKFILE_MULTI_IN		0x0002
    111 
    112 #define TASKFILE_OUT			0x0004
    113 #define TASKFILE_MULTI_OUT		0x0008
    114 #define TASKFILE_IN_OUT			0x0010
    115 
    116 #define TASKFILE_IN_DMA			0x0020
    117 #define TASKFILE_OUT_DMA		0x0040
    118 #define TASKFILE_IN_DMAQ		0x0080
    119 #define TASKFILE_OUT_DMAQ		0x0100
    120 
    121 #define TASKFILE_P_IN			0x0200
    122 #define TASKFILE_P_OUT			0x0400
    123 #define TASKFILE_P_IN_DMA		0x0800
    124 #define TASKFILE_P_OUT_DMA		0x1000
    125 #define TASKFILE_P_IN_DMAQ		0x2000
    126 #define TASKFILE_P_OUT_DMAQ		0x4000
    127 
    128 /* ATA/ATAPI Commands pre T13 Spec */
    129 #define WIN_NOP				0x00
    130 /*
    131  *	0x01->0x02 Reserved
    132  */
    133 #define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
    134 /*
    135  *	0x04->0x07 Reserved
    136  */
    137 #define WIN_SRST			0x08 /* ATAPI soft reset command */
    138 #define WIN_DEVICE_RESET		0x08
    139 /*
    140  *	0x09->0x0F Reserved
    141  */
    142 #define WIN_RECAL			0x10
    143 #define WIN_RESTORE			WIN_RECAL
    144 /*
    145  *	0x10->0x1F Reserved
    146  */
    147 #define WIN_READ			0x20 /* 28-Bit */
    148 #define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
    149 #define WIN_READ_LONG			0x22 /* 28-Bit */
    150 #define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
    151 #define WIN_READ_EXT			0x24 /* 48-Bit */
    152 #define WIN_READDMA_EXT			0x25 /* 48-Bit */
    153 #define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
    154 #define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
    155 /*
    156  *	0x28
    157  */
    158 #define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
    159 /*
    160  *	0x2A->0x2F Reserved
    161  */
    162 #define WIN_WRITE			0x30 /* 28-Bit */
    163 #define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
    164 #define WIN_WRITE_LONG			0x32 /* 28-Bit */
    165 #define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
    166 #define WIN_WRITE_EXT			0x34 /* 48-Bit */
    167 #define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
    168 #define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
    169 #define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
    170 #define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
    171 #define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
    172 /*
    173  *	0x3A->0x3B Reserved
    174  */
    175 #define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
    176 /*
    177  *	0x3D->0x3F Reserved
    178  */
    179 #define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
    180 #define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
    181 #define WIN_VERIFY_EXT			0x42 /* 48-Bit */
    182 /*
    183  *	0x43->0x4F Reserved
    184  */
    185 #define WIN_FORMAT			0x50
    186 /*
    187  *	0x51->0x5F Reserved
    188  */
    189 #define WIN_INIT			0x60
    190 /*
    191  *	0x61->0x5F Reserved
    192  */
    193 #define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
    194 
    195 #define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
    196 #define WIN_DIAGNOSE			0x90
    197 #define WIN_SPECIFY			0x91 /* set drive geometry translation */
    198 #define WIN_DOWNLOAD_MICROCODE		0x92
    199 #define WIN_STANDBYNOW2			0x94
    200 #define WIN_STANDBY2			0x96
    201 #define WIN_SETIDLE2			0x97
    202 #define WIN_CHECKPOWERMODE2		0x98
    203 #define WIN_SLEEPNOW2			0x99
    204 /*
    205  *	0x9A VENDOR
    206  */
    207 #define WIN_PACKETCMD			0xA0 /* Send a packet command. */
    208 #define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
    209 #define WIN_QUEUED_SERVICE		0xA2
    210 #define WIN_SMART			0xB0 /* self-monitoring and reporting */
    211 #define CFA_ERASE_SECTORS		0xC0
    212 #define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
    213 #define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
    214 #define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
    215 #define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */
    216 #define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
    217 #define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
    218 #define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
    219 #define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
    220 #define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
    221 #define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
    222 #define WIN_GETMEDIASTATUS		0xDA
    223 #define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
    224 #define WIN_POSTBOOT			0xDC
    225 #define WIN_PREBOOT 			0xDD
    226 #define WIN_DOORLOCK			0xDE /* lock door on removable drives */
    227 #define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
    228 #define WIN_STANDBYNOW1			0xE0
    229 #define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
    230 #define WIN_STANDBY			0xE2 /* Set device in Standby Mode */
    231 #define WIN_SETIDLE1			0xE3
    232 #define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
    233 #define WIN_CHECKPOWERMODE1		0xE5
    234 #define WIN_SLEEPNOW1			0xE6
    235 #define WIN_FLUSH_CACHE			0xE7
    236 #define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
    237 #define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
    238 	/* SET_FEATURES 0x22 or 0xDD */
    239 #define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
    240 #define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
    241 #define WIN_MEDIAEJECT			0xED
    242 #define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
    243 #define WIN_SETFEATURES			0xEF /* set special drive features */
    244 #define EXABYTE_ENABLE_NEST		0xF0
    245 #define WIN_SECURITY_SET_PASS		0xF1
    246 #define WIN_SECURITY_UNLOCK		0xF2
    247 #define WIN_SECURITY_ERASE_PREPARE	0xF3
    248 #define WIN_SECURITY_ERASE_UNIT		0xF4
    249 #define WIN_SECURITY_FREEZE_LOCK	0xF5
    250 #define WIN_SECURITY_DISABLE		0xF6
    251 #define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
    252 #define WIN_SET_MAX			0xF9
    253 #define DISABLE_SEAGATE			0xFB
    254 
    255 /* WIN_SMART sub-commands */
    256 
    257 #define SMART_READ_VALUES		0xD0
    258 #define SMART_READ_THRESHOLDS		0xD1
    259 #define SMART_AUTOSAVE			0xD2
    260 #define SMART_SAVE			0xD3
    261 #define SMART_IMMEDIATE_OFFLINE		0xD4
    262 #define SMART_READ_LOG_SECTOR		0xD5
    263 #define SMART_WRITE_LOG_SECTOR		0xD6
    264 #define SMART_WRITE_THRESHOLDS		0xD7
    265 #define SMART_ENABLE			0xD8
    266 #define SMART_DISABLE			0xD9
    267 #define SMART_STATUS			0xDA
    268 #define SMART_AUTO_OFFLINE		0xDB
    269 
    270 /* Password used in TF4 & TF5 executing SMART commands */
    271 
    272 #define SMART_LCYL_PASS			0x4F
    273 #define SMART_HCYL_PASS			0xC2
    274 
    275 /* WIN_SETFEATURES sub-commands */
    276 #define SETFEATURES_EN_8BIT	0x01	/* Enable 8-Bit Transfers */
    277 #define SETFEATURES_EN_WCACHE	0x02	/* Enable write cache */
    278 #define SETFEATURES_DIS_DEFECT	0x04	/* Disable Defect Management */
    279 #define SETFEATURES_EN_APM	0x05	/* Enable advanced power management */
    280 #define SETFEATURES_EN_SAME_R	0x22	/* for a region ATA-1 */
    281 #define SETFEATURES_DIS_MSN	0x31	/* Disable Media Status Notification */
    282 #define SETFEATURES_DIS_RETRY	0x33	/* Disable Retry */
    283 #define SETFEATURES_EN_AAM	0x42	/* Enable Automatic Acoustic Management */
    284 #define SETFEATURES_RW_LONG	0x44	/* Set Length of VS bytes */
    285 #define SETFEATURES_SET_CACHE	0x54	/* Set Cache segments to SC Reg. Val */
    286 #define SETFEATURES_DIS_RLA	0x55	/* Disable read look-ahead feature */
    287 #define SETFEATURES_EN_RI	0x5D	/* Enable release interrupt */
    288 #define SETFEATURES_EN_SI	0x5E	/* Enable SERVICE interrupt */
    289 #define SETFEATURES_DIS_RPOD	0x66	/* Disable reverting to power on defaults */
    290 #define SETFEATURES_DIS_ECC	0x77	/* Disable ECC byte count */
    291 #define SETFEATURES_DIS_8BIT	0x81	/* Disable 8-Bit Transfers */
    292 #define SETFEATURES_DIS_WCACHE	0x82	/* Disable write cache */
    293 #define SETFEATURES_EN_DEFECT	0x84	/* Enable Defect Management */
    294 #define SETFEATURES_DIS_APM	0x85	/* Disable advanced power management */
    295 #define SETFEATURES_EN_ECC	0x88	/* Enable ECC byte count */
    296 #define SETFEATURES_EN_MSN	0x95	/* Enable Media Status Notification */
    297 #define SETFEATURES_EN_RETRY	0x99	/* Enable Retry */
    298 #define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
    299 #define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
    300 #define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
    301 #define SETFEATURES_4B_RW_LONG	0xBB	/* Set Lenght of 4 bytes */
    302 #define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
    303 #define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
    304 #define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
    305 #define SETFEATURES_EN_SAME_M	0xDD	/* for a entire device ATA-1 */
    306 #define SETFEATURES_DIS_SI	0xDE	/* Disable SERVICE interrupt ATAPI */
    307 
    308 /* WIN_SECURITY sub-commands */
    309 
    310 #define SECURITY_SET_PASSWORD		0xBA
    311 #define SECURITY_UNLOCK			0xBB
    312 #define SECURITY_ERASE_PREPARE		0xBC
    313 #define SECURITY_ERASE_UNIT		0xBD
    314 #define SECURITY_FREEZE_LOCK		0xBE
    315 #define SECURITY_DISABLE_PASSWORD	0xBF
    316 
    317 struct hd_geometry {
    318       unsigned char heads;
    319       unsigned char sectors;
    320       unsigned short cylinders;
    321       unsigned long start;
    322 };
    323 
    324 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
    325 #define HDIO_GETGEO		0x0301	/* get device geometry */
    326 #define HDIO_GET_UNMASKINTR	0x0302	/* get current unmask setting */
    327 #define HDIO_GET_MULTCOUNT	0x0304	/* get current IDE blockmode setting */
    328 #define HDIO_GET_QDMA		0x0305	/* get use-qdma flag */
    329 
    330 #define HDIO_SET_XFER		0x0306  /* set transfer rate via proc */
    331 
    332 #define HDIO_OBSOLETE_IDENTITY	0x0307	/* OBSOLETE, DO NOT USE: returns 142 bytes */
    333 #define HDIO_GET_KEEPSETTINGS	0x0308	/* get keep-settings-on-reset flag */
    334 #define HDIO_GET_32BIT		0x0309	/* get current io_32bit setting */
    335 #define HDIO_GET_NOWERR		0x030a	/* get ignore-write-error flag */
    336 #define HDIO_GET_DMA		0x030b	/* get use-dma flag */
    337 #define HDIO_GET_NICE		0x030c	/* get nice flags */
    338 #define HDIO_GET_IDENTITY	0x030d	/* get IDE identification info */
    339 #define HDIO_GET_WCACHE		0x030e	/* get write cache mode on|off */
    340 #define HDIO_GET_ACOUSTIC	0x030f	/* get acoustic value */
    341 #define	HDIO_GET_ADDRESS	0x0310	/* */
    342 
    343 #define HDIO_GET_BUSSTATE	0x031a	/* get the bus state of the hwif */
    344 #define HDIO_TRISTATE_HWIF	0x031b	/* execute a channel tristate */
    345 #define HDIO_DRIVE_RESET	0x031c	/* execute a device reset */
    346 #define HDIO_DRIVE_TASKFILE	0x031d	/* execute raw taskfile */
    347 #define HDIO_DRIVE_TASK		0x031e	/* execute task and special drive command */
    348 #define HDIO_DRIVE_CMD		0x031f	/* execute a special drive command */
    349 #define HDIO_DRIVE_CMD_AEB	HDIO_DRIVE_TASK
    350 
    351 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
    352 #define HDIO_SET_MULTCOUNT	0x0321	/* change IDE blockmode */
    353 #define HDIO_SET_UNMASKINTR	0x0322	/* permit other irqs during I/O */
    354 #define HDIO_SET_KEEPSETTINGS	0x0323	/* keep ioctl settings on reset */
    355 #define HDIO_SET_32BIT		0x0324	/* change io_32bit flags */
    356 #define HDIO_SET_NOWERR		0x0325	/* change ignore-write-error flag */
    357 #define HDIO_SET_DMA		0x0326	/* change use-dma flag */
    358 #define HDIO_SET_PIO_MODE	0x0327	/* reconfig interface to new speed */
    359 #define HDIO_SCAN_HWIF		0x0328	/* register and (re)scan interface */
    360 #define HDIO_SET_NICE		0x0329	/* set nice flags */
    361 #define HDIO_UNREGISTER_HWIF	0x032a  /* unregister interface */
    362 #define HDIO_SET_WCACHE		0x032b	/* change write cache enable-disable */
    363 #define HDIO_SET_ACOUSTIC	0x032c	/* change acoustic behavior */
    364 #define HDIO_SET_BUSSTATE	0x032d	/* set the bus state of the hwif */
    365 #define HDIO_SET_QDMA		0x032e	/* change use-qdma flag */
    366 #define HDIO_SET_ADDRESS	0x032f	/* change lba addressing modes */
    367 
    368 /* bus states */
    369 enum {
    370 	BUSSTATE_OFF = 0,
    371 	BUSSTATE_ON,
    372 	BUSSTATE_TRISTATE
    373 };
    374 
    375 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
    376 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
    377 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
    378 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
    379 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
    380 
    381 #define __NEW_HD_DRIVE_ID
    382 
    383 /*
    384  * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
    385  *
    386  * If you change something here, please remember to update fix_driveid() in
    387  * ide/probe.c.
    388  */
    389 struct hd_driveid {
    390 	unsigned short	config;		/* lots of obsolete bit flags */
    391 	unsigned short	cyls;		/* Obsolete, "physical" cyls */
    392 	unsigned short	reserved2;	/* reserved (word 2) */
    393 	unsigned short	heads;		/* Obsolete, "physical" heads */
    394 	unsigned short	track_bytes;	/* unformatted bytes per track */
    395 	unsigned short	sector_bytes;	/* unformatted bytes per sector */
    396 	unsigned short	sectors;	/* Obsolete, "physical" sectors per track */
    397 	unsigned short	vendor0;	/* vendor unique */
    398 	unsigned short	vendor1;	/* vendor unique */
    399 	unsigned short	vendor2;	/* Retired vendor unique */
    400 	unsigned char	serial_no[20];	/* 0 = not_specified */
    401 	unsigned short	buf_type;	/* Retired */
    402 	unsigned short	buf_size;	/* Retired, 512 byte increments
    403 					 * 0 = not_specified
    404 					 */
    405 	unsigned short	ecc_bytes;	/* for r/w long cmds; 0 = not_specified */
    406 	unsigned char	fw_rev[8];	/* 0 = not_specified */
    407 	unsigned char	model[40];	/* 0 = not_specified */
    408 	unsigned char	max_multsect;	/* 0=not_implemented */
    409 	unsigned char	vendor3;	/* vendor unique */
    410 	unsigned short	dword_io;	/* 0=not_implemented; 1=implemented */
    411 	unsigned char	vendor4;	/* vendor unique */
    412 	unsigned char	capability;	/* (upper byte of word 49)
    413 					 *  3:	IORDYsup
    414 					 *  2:	IORDYsw
    415 					 *  1:	LBA
    416 					 *  0:	DMA
    417 					 */
    418 	unsigned short	reserved50;	/* reserved (word 50) */
    419 	unsigned char	vendor5;	/* Obsolete, vendor unique */
    420 	unsigned char	tPIO;		/* Obsolete, 0=slow, 1=medium, 2=fast */
    421 	unsigned char	vendor6;	/* Obsolete, vendor unique */
    422 	unsigned char	tDMA;		/* Obsolete, 0=slow, 1=medium, 2=fast */
    423 	unsigned short	field_valid;	/* (word 53)
    424 					 *  2:	ultra_ok	word  88
    425 					 *  1:	eide_ok		words 64-70
    426 					 *  0:	cur_ok		words 54-58
    427 					 */
    428 	unsigned short	cur_cyls;	/* Obsolete, logical cylinders */
    429 	unsigned short	cur_heads;	/* Obsolete, l heads */
    430 	unsigned short	cur_sectors;	/* Obsolete, l sectors per track */
    431 	unsigned short	cur_capacity0;	/* Obsolete, l total sectors on drive */
    432 	unsigned short	cur_capacity1;	/* Obsolete, (2 words, misaligned int)     */
    433 	unsigned char	multsect;	/* current multiple sector count */
    434 	unsigned char	multsect_valid;	/* when (bit0==1) multsect is ok */
    435 	unsigned int	lba_capacity;	/* Obsolete, total number of sectors */
    436 	unsigned short	dma_1word;	/* Obsolete, single-word dma info */
    437 	unsigned short	dma_mword;	/* multiple-word dma info */
    438 	unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
    439 	unsigned short  eide_dma_min;	/* min mword dma cycle time (ns) */
    440 	unsigned short  eide_dma_time;	/* recommended mword dma cycle time (ns) */
    441 	unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
    442 	unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
    443 	unsigned short	words69_70[2];	/* reserved words 69-70
    444 					 * future command overlap and queuing
    445 					 */
    446 	/* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
    447 	unsigned short	words71_74[4];	/* reserved words 71-74
    448 					 * for IDENTIFY PACKET DEVICE command
    449 					 */
    450 	unsigned short  queue_depth;	/* (word 75)
    451 					 * 15:5	reserved
    452 					 *  4:0	Maximum queue depth -1
    453 					 */
    454 	unsigned short  words76_79[4];	/* reserved words 76-79 */
    455 	unsigned short  major_rev_num;	/* (word 80) */
    456 	unsigned short  minor_rev_num;	/* (word 81) */
    457 	unsigned short  command_set_1;	/* (word 82) supported
    458 					 * 15:	Obsolete
    459 					 * 14:	NOP command
    460 					 * 13:	READ_BUFFER
    461 					 * 12:	WRITE_BUFFER
    462 					 * 11:	Obsolete
    463 					 * 10:	Host Protected Area
    464 					 *  9:	DEVICE Reset
    465 					 *  8:	SERVICE Interrupt
    466 					 *  7:	Release Interrupt
    467 					 *  6:	look-ahead
    468 					 *  5:	write cache
    469 					 *  4:	PACKET Command
    470 					 *  3:	Power Management Feature Set
    471 					 *  2:	Removable Feature Set
    472 					 *  1:	Security Feature Set
    473 					 *  0:	SMART Feature Set
    474 					 */
    475 	unsigned short  command_set_2;	/* (word 83)
    476 					 * 15:	Shall be ZERO
    477 					 * 14:	Shall be ONE
    478 					 * 13:	FLUSH CACHE EXT
    479 					 * 12:	FLUSH CACHE
    480 					 * 11:	Device Configuration Overlay
    481 					 * 10:	48-bit Address Feature Set
    482 					 *  9:	Automatic Acoustic Management
    483 					 *  8:	SET MAX security
    484 					 *  7:	reserved 1407DT PARTIES
    485 					 *  6:	SetF sub-command Power-Up
    486 					 *  5:	Power-Up in Standby Feature Set
    487 					 *  4:	Removable Media Notification
    488 					 *  3:	APM Feature Set
    489 					 *  2:	CFA Feature Set
    490 					 *  1:	READ/WRITE DMA QUEUED
    491 					 *  0:	Download MicroCode
    492 					 */
    493 	unsigned short  cfsse;		/* (word 84)
    494 					 * cmd set-feature supported extensions
    495 					 * 15:	Shall be ZERO
    496 					 * 14:	Shall be ONE
    497 					 * 13:6	reserved
    498 					 *  5:	General Purpose Logging
    499 					 *  4:	Streaming Feature Set
    500 					 *  3:	Media Card Pass Through
    501 					 *  2:	Media Serial Number Valid
    502 					 *  1:	SMART selt-test supported
    503 					 *  0:	SMART error logging
    504 					 */
    505 	unsigned short  cfs_enable_1;	/* (word 85)
    506 					 * command set-feature enabled
    507 					 * 15:	Obsolete
    508 					 * 14:	NOP command
    509 					 * 13:	READ_BUFFER
    510 					 * 12:	WRITE_BUFFER
    511 					 * 11:	Obsolete
    512 					 * 10:	Host Protected Area
    513 					 *  9:	DEVICE Reset
    514 					 *  8:	SERVICE Interrupt
    515 					 *  7:	Release Interrupt
    516 					 *  6:	look-ahead
    517 					 *  5:	write cache
    518 					 *  4:	PACKET Command
    519 					 *  3:	Power Management Feature Set
    520 					 *  2:	Removable Feature Set
    521 					 *  1:	Security Feature Set
    522 					 *  0:	SMART Feature Set
    523 					 */
    524 	unsigned short  cfs_enable_2;	/* (word 86)
    525 					 * command set-feature enabled
    526 					 * 15:	Shall be ZERO
    527 					 * 14:	Shall be ONE
    528 					 * 13:	FLUSH CACHE EXT
    529 					 * 12:	FLUSH CACHE
    530 					 * 11:	Device Configuration Overlay
    531 					 * 10:	48-bit Address Feature Set
    532 					 *  9:	Automatic Acoustic Management
    533 					 *  8:	SET MAX security
    534 					 *  7:	reserved 1407DT PARTIES
    535 					 *  6:	SetF sub-command Power-Up
    536 					 *  5:	Power-Up in Standby Feature Set
    537 					 *  4:	Removable Media Notification
    538 					 *  3:	APM Feature Set
    539 					 *  2:	CFA Feature Set
    540 					 *  1:	READ/WRITE DMA QUEUED
    541 					 *  0:	Download MicroCode
    542 					 */
    543 	unsigned short  csf_default;	/* (word 87)
    544 					 * command set-feature default
    545 					 * 15:	Shall be ZERO
    546 					 * 14:	Shall be ONE
    547 					 * 13:6	reserved
    548 					 *  5:	General Purpose Logging enabled
    549 					 *  4:	Valid CONFIGURE STREAM executed
    550 					 *  3:	Media Card Pass Through enabled
    551 					 *  2:	Media Serial Number Valid
    552 					 *  1:	SMART selt-test supported
    553 					 *  0:	SMART error logging
    554 					 */
    555 	unsigned short  dma_ultra;	/* (word 88) */
    556 	unsigned short	trseuc;		/* time required for security erase */
    557 	unsigned short	trsEuc;		/* time required for enhanced erase */
    558 	unsigned short	CurAPMvalues;	/* current APM values */
    559 	unsigned short	mprc;		/* master password revision code */
    560 	unsigned short	hw_config;	/* hardware config (word 93)
    561 					 * 15:	Shall be ZERO
    562 					 * 14:	Shall be ONE
    563 					 * 13:
    564 					 * 12:
    565 					 * 11:
    566 					 * 10:
    567 					 *  9:
    568 					 *  8:
    569 					 *  7:
    570 					 *  6:
    571 					 *  5:
    572 					 *  4:
    573 					 *  3:
    574 					 *  2:
    575 					 *  1:
    576 					 *  0:	Shall be ONE
    577 					 */
    578 	unsigned short	acoustic;	/* (word 94)
    579 					 * 15:8	Vendor's recommended value
    580 					 *  7:0	current value
    581 					 */
    582 	unsigned short	msrqs;		/* min stream request size */
    583 	unsigned short	sxfert;		/* stream transfer time */
    584 	unsigned short	sal;		/* stream access latency */
    585 	unsigned int	spg;		/* stream performance granularity */
    586 	unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
    587 	unsigned short	words104_125[22];/* reserved words 104-125 */
    588 	unsigned short	last_lun;	/* (word 126) */
    589 	unsigned short	word127;	/* (word 127) Feature Set
    590 					 * Removable Media Notification
    591 					 * 15:2	reserved
    592 					 *  1:0	00 = not supported
    593 					 *	01 = supported
    594 					 *	10 = reserved
    595 					 *	11 = reserved
    596 					 */
    597 	unsigned short	dlf;		/* (word 128)
    598 					 * device lock function
    599 					 * 15:9	reserved
    600 					 *  8	security level 1:max 0:high
    601 					 *  7:6	reserved
    602 					 *  5	enhanced erase
    603 					 *  4	expire
    604 					 *  3	frozen
    605 					 *  2	locked
    606 					 *  1	en/disabled
    607 					 *  0	capability
    608 					 */
    609 	unsigned short  csfo;		/*  (word 129)
    610 					 * current set features options
    611 					 * 15:4	reserved
    612 					 *  3:	auto reassign
    613 					 *  2:	reverting
    614 					 *  1:	read-look-ahead
    615 					 *  0:	write cache
    616 					 */
    617 	unsigned short	words130_155[26];/* reserved vendor words 130-155 */
    618 	unsigned short	word156;	/* reserved vendor word 156 */
    619 	unsigned short	words157_159[3];/* reserved vendor words 157-159 */
    620 	unsigned short	cfa_power;	/* (word 160) CFA Power Mode
    621 					 * 15 word 160 supported
    622 					 * 14 reserved
    623 					 * 13
    624 					 * 12
    625 					 * 11:0
    626 					 */
    627 	unsigned short	words161_175[15];/* Reserved for CFA */
    628 	unsigned short	words176_205[30];/* Current Media Serial Number */
    629 	unsigned short	words206_254[49];/* reserved words 206-254 */
    630 	unsigned short	integrity_word;	/* (word 255)
    631 					 * 15:8 Checksum
    632 					 *  7:0 Signature
    633 					 */
    634 };
    635 
    636 /*
    637  * IDE "nice" flags. These are used on a per drive basis to determine
    638  * when to be nice and give more bandwidth to the other devices which
    639  * share the same IDE bus.
    640  */
    641 #define IDE_NICE_DSC_OVERLAP	(0)	/* per the DSC overlap protocol */
    642 #define IDE_NICE_ATAPI_OVERLAP	(1)	/* not supported yet */
    643 #define IDE_NICE_0		(2)	/* when sure that it won't affect us */
    644 #define IDE_NICE_1		(3)	/* when probably won't affect us much */
    645 #define IDE_NICE_2		(4)	/* when we know it's on our expense */
    646 
    647 #endif	/* _LINUX_HDREG_H */
    648