LCOV - code coverage report
Current view: top level - include/linux - hdreg.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 2 2 100.0 %
Date: 2017-01-25 Functions: 0 0 -

          Line data    Source code
       1             : #ifndef _LINUX_HDREG_H
       2             : #define _LINUX_HDREG_H
       3             : 
       4             : #include <linux/types.h>
       5             : 
       6             : /*
       7             :  * Command Header sizes for IOCTL commands
       8             :  */
       9             : 
      10             : #define HDIO_DRIVE_CMD_HDR_SIZE         (4 * sizeof(__u8))
      11             : #define HDIO_DRIVE_HOB_HDR_SIZE         (8 * sizeof(__u8))
      12             : #define HDIO_DRIVE_TASK_HDR_SIZE        (8 * sizeof(__u8))
      13             : 
      14             : #define IDE_DRIVE_TASK_NO_DATA          0
      15             : #ifndef __KERNEL__
      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             : #endif
      21             : #define IDE_DRIVE_TASK_RAW_WRITE        4
      22             : 
      23             : /*
      24             :  * Define standard taskfile in/out register
      25             :  */
      26             : #define IDE_TASKFILE_STD_IN_FLAGS       0xFE
      27             : #define IDE_HOB_STD_IN_FLAGS            0x3C
      28             : #ifndef __KERNEL__
      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             : #endif
      35             : 
      36             : typedef union ide_reg_valid_s {
      37             :         unsigned all                            : 16;
      38             :         struct {
      39             :                 unsigned data                   : 1;
      40             :                 unsigned error_feature          : 1;
      41             :                 unsigned sector                 : 1;
      42             :                 unsigned nsector                : 1;
      43             :                 unsigned lcyl                   : 1;
      44             :                 unsigned hcyl                   : 1;
      45             :                 unsigned select                 : 1;
      46             :                 unsigned status_command         : 1;
      47             : 
      48             :                 unsigned data_hob               : 1;
      49             :                 unsigned error_feature_hob      : 1;
      50             :                 unsigned sector_hob             : 1;
      51             :                 unsigned nsector_hob            : 1;
      52             :                 unsigned lcyl_hob               : 1;
      53             :                 unsigned hcyl_hob               : 1;
      54             :                 unsigned select_hob             : 1;
      55             :                 unsigned control_hob            : 1;
      56             :         } b;
      57             : } ide_reg_valid_t;
      58             : 
      59             : typedef struct ide_task_request_s {
      60             :         __u8            io_ports[8];
      61             :         __u8            hob_ports[8]; /* bytes 6 and 7 are unused */
      62             :         ide_reg_valid_t out_flags;
      63             :         ide_reg_valid_t in_flags;
      64             :         int             data_phase;
      65             :         int             req_cmd;
      66             :         unsigned long   out_size;
      67             :         unsigned long   in_size;
      68             : } ide_task_request_t;
      69             : 
      70             : typedef struct ide_ioctl_request_s {
      71             :         ide_task_request_t      *task_request;
      72             :         unsigned char           *out_buffer;
      73             :         unsigned char           *in_buffer;
      74             : } ide_ioctl_request_t;
      75             : 
      76             : struct hd_drive_cmd_hdr {
      77             :         __u8 command;
      78             :         __u8 sector_number;
      79             :         __u8 feature;
      80             :         __u8 sector_count;
      81             : };
      82           1 : 
      83             : #ifndef __KERNEL__
      84             : typedef struct hd_drive_task_hdr {
      85             :         __u8 data;
      86             :         __u8 feature;
      87             :         __u8 sector_count;
      88             :         __u8 sector_number;
      89             :         __u8 low_cylinder;
      90             :         __u8 high_cylinder;
      91             :         __u8 device_head;
      92             :         __u8 command;
      93             : } task_struct_t;
      94             : 
      95             : typedef struct hd_drive_hob_hdr {
      96             :         __u8 data;
      97             :         __u8 feature;
      98             :         __u8 sector_count;
      99             :         __u8 sector_number;
     100             :         __u8 low_cylinder;
     101             :         __u8 high_cylinder;
     102             :         __u8 device_head;
     103             :         __u8 control;
     104             : } hob_struct_t;
     105             : #endif
     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             : #ifndef __KERNEL__
     122             : #define TASKFILE_P_IN                   0x0200
     123             : #define TASKFILE_P_OUT                  0x0400
     124             : #define TASKFILE_P_IN_DMA               0x0800
     125             : #define TASKFILE_P_OUT_DMA              0x1000
     126             : #define TASKFILE_P_IN_DMAQ              0x2000
     127             : #define TASKFILE_P_OUT_DMAQ             0x4000
     128             : #define TASKFILE_48                     0x8000
     129             : #define TASKFILE_INVALID                0x7fff
     130             : #endif
     131             : 
     132             : #ifndef __KERNEL__
     133             : /* ATA/ATAPI Commands pre T13 Spec */
     134             : #define WIN_NOP                         0x00
     135             : /*
     136             :  *      0x01->0x02 Reserved
     137             :  */
     138             : #define CFA_REQ_EXT_ERROR_CODE          0x03 /* CFA Request Extended Error Code */
     139             : /*
     140             :  *      0x04->0x07 Reserved
     141             :  */
     142             : #define WIN_SRST                        0x08 /* ATAPI soft reset command */
     143             : #define WIN_DEVICE_RESET                0x08
     144             : /*
     145             :  *      0x09->0x0F Reserved
     146             :  */
     147             : #define WIN_RECAL                       0x10
     148             : #define WIN_RESTORE                     WIN_RECAL
     149             : /*
     150             :  *      0x10->0x1F Reserved
     151             :  */
     152             : #define WIN_READ                        0x20 /* 28-Bit */
     153             : #define WIN_READ_ONCE                   0x21 /* 28-Bit without retries */
     154             : #define WIN_READ_LONG                   0x22 /* 28-Bit */
     155             : #define WIN_READ_LONG_ONCE              0x23 /* 28-Bit without retries */
     156             : #define WIN_READ_EXT                    0x24 /* 48-Bit */
     157             : #define WIN_READDMA_EXT                 0x25 /* 48-Bit */
     158             : #define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit */
     159             : #define WIN_READ_NATIVE_MAX_EXT         0x27 /* 48-Bit */
     160             : /*
     161             :  *      0x28
     162             :  */
     163             : #define WIN_MULTREAD_EXT                0x29 /* 48-Bit */
     164             : /*
     165             :  *      0x2A->0x2F Reserved
     166             :  */
     167             : #define WIN_WRITE                       0x30 /* 28-Bit */
     168             : #define WIN_WRITE_ONCE                  0x31 /* 28-Bit without retries */
     169             : #define WIN_WRITE_LONG                  0x32 /* 28-Bit */
     170             : #define WIN_WRITE_LONG_ONCE             0x33 /* 28-Bit without retries */
     171             : #define WIN_WRITE_EXT                   0x34 /* 48-Bit */
     172             : #define WIN_WRITEDMA_EXT                0x35 /* 48-Bit */
     173             : #define WIN_WRITEDMA_QUEUED_EXT         0x36 /* 48-Bit */
     174             : #define WIN_SET_MAX_EXT                 0x37 /* 48-Bit */
     175             : #define CFA_WRITE_SECT_WO_ERASE         0x38 /* CFA Write Sectors without erase */
     176             : #define WIN_MULTWRITE_EXT               0x39 /* 48-Bit */
     177             : /*
     178             :  *      0x3A->0x3B Reserved
     179             :  */
     180             : #define WIN_WRITE_VERIFY                0x3C /* 28-Bit */
     181             : /*
     182             :  *      0x3D->0x3F Reserved
     183             :  */
     184             : #define WIN_VERIFY                      0x40 /* 28-Bit - Read Verify Sectors */
     185             : #define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - without retries */
     186             : #define WIN_VERIFY_EXT                  0x42 /* 48-Bit */
     187             : /*
     188             :  *      0x43->0x4F Reserved
     189             :  */
     190             : #define WIN_FORMAT                      0x50
     191             : /*
     192             :  *      0x51->0x5F Reserved
     193             :  */
     194             : #define WIN_INIT                        0x60
     195             : /*
     196             :  *      0x61->0x5F Reserved
     197             :  */
     198             : #define WIN_SEEK                        0x70 /* 0x70-0x7F Reserved */
     199             : 
     200             : #define CFA_TRANSLATE_SECTOR            0x87 /* CFA Translate Sector */
     201             : #define WIN_DIAGNOSE                    0x90
     202             : #define WIN_SPECIFY                     0x91 /* set drive geometry translation */
     203             : #define WIN_DOWNLOAD_MICROCODE          0x92
     204             : #define WIN_STANDBYNOW2                 0x94
     205             : #define WIN_STANDBY2                    0x96
     206             : #define WIN_SETIDLE2                    0x97
     207             : #define WIN_CHECKPOWERMODE2             0x98
     208             : #define WIN_SLEEPNOW2                   0x99
     209             : /*
     210             :  *      0x9A VENDOR
     211             :  */
     212             : #define WIN_PACKETCMD                   0xA0 /* Send a packet command. */
     213             : #define WIN_PIDENTIFY                   0xA1 /* identify ATAPI device   */
     214             : #define WIN_QUEUED_SERVICE              0xA2
     215             : #define WIN_SMART                       0xB0 /* self-monitoring and reporting */
     216             : #define CFA_ERASE_SECTORS               0xC0
     217             : #define WIN_MULTREAD                    0xC4 /* read sectors using multiple mode*/
     218             : #define WIN_MULTWRITE                   0xC5 /* write sectors using multiple mode */
     219             : #define WIN_SETMULT                     0xC6 /* enable/disable multiple mode */
     220             : #define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers */
     221             : #define WIN_READDMA                     0xC8 /* read sectors using DMA transfers */
     222             : #define WIN_READDMA_ONCE                0xC9 /* 28-Bit - without retries */
     223             : #define WIN_WRITEDMA                    0xCA /* write sectors using DMA transfers */
     224             : #define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - without retries */
     225             : #define WIN_WRITEDMA_QUEUED             0xCC /* write sectors using Queued DMA transfers */
     226             : #define CFA_WRITE_MULTI_WO_ERASE        0xCD /* CFA Write multiple without erase */
     227             : #define WIN_GETMEDIASTATUS              0xDA
     228             : #define WIN_ACKMEDIACHANGE              0xDB /* ATA-1, ATA-2 vendor */
     229             : #define WIN_POSTBOOT                    0xDC
     230             : #define WIN_PREBOOT                     0xDD
     231             : #define WIN_DOORLOCK                    0xDE /* lock door on removable drives */
     232             : #define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives */
     233             : #define WIN_STANDBYNOW1                 0xE0
     234             : #define WIN_IDLEIMMEDIATE               0xE1 /* force drive to become "ready" */
     235             : #define WIN_STANDBY                     0xE2 /* Set device in Standby Mode */
     236             : #define WIN_SETIDLE1                    0xE3
     237             : #define WIN_READ_BUFFER                 0xE4 /* force read only 1 sector */
     238             : #define WIN_CHECKPOWERMODE1             0xE5
     239             : #define WIN_SLEEPNOW1                   0xE6
     240             : #define WIN_FLUSH_CACHE                 0xE7
     241             : #define WIN_WRITE_BUFFER                0xE8 /* force write only 1 sector */
     242             : #define WIN_WRITE_SAME                  0xE9 /* read ata-2 to use */
     243             :         /* SET_FEATURES 0x22 or 0xDD */
     244             : #define WIN_FLUSH_CACHE_EXT             0xEA /* 48-Bit */
     245             : #define WIN_IDENTIFY                    0xEC /* ask drive to identify itself    */
     246             : #define WIN_MEDIAEJECT                  0xED
     247             : #define WIN_IDENTIFY_DMA                0xEE /* same as WIN_IDENTIFY, but DMA */
     248             : #define WIN_SETFEATURES                 0xEF /* set special drive features */
     249             : #define EXABYTE_ENABLE_NEST             0xF0
     250             : #define WIN_SECURITY_SET_PASS           0xF1
     251             : #define WIN_SECURITY_UNLOCK             0xF2
     252             : #define WIN_SECURITY_ERASE_PREPARE      0xF3
     253             : #define WIN_SECURITY_ERASE_UNIT         0xF4
     254             : #define WIN_SECURITY_FREEZE_LOCK        0xF5
     255             : #define WIN_SECURITY_DISABLE            0xF6
     256             : #define WIN_READ_NATIVE_MAX             0xF8 /* return the native maximum address */
     257             : #define WIN_SET_MAX                     0xF9
     258             : #define DISABLE_SEAGATE                 0xFB
     259             : 
     260             : /* WIN_SMART sub-commands */
     261             : 
     262             : #define SMART_READ_VALUES               0xD0
     263             : #define SMART_READ_THRESHOLDS           0xD1
     264             : #define SMART_AUTOSAVE                  0xD2
     265             : #define SMART_SAVE                      0xD3
     266             : #define SMART_IMMEDIATE_OFFLINE         0xD4
     267             : #define SMART_READ_LOG_SECTOR           0xD5
     268             : #define SMART_WRITE_LOG_SECTOR          0xD6
     269             : #define SMART_WRITE_THRESHOLDS          0xD7
     270             : #define SMART_ENABLE                    0xD8
     271             : #define SMART_DISABLE                   0xD9
     272             : #define SMART_STATUS                    0xDA
     273             : #define SMART_AUTO_OFFLINE              0xDB
     274             : 
     275             : /* Password used in TF4 & TF5 executing SMART commands */
     276             : 
     277             : #define SMART_LCYL_PASS                 0x4F
     278             : #define SMART_HCYL_PASS                 0xC2
     279             : 
     280             : /* WIN_SETFEATURES sub-commands */
     281             : #define SETFEATURES_EN_8BIT     0x01    /* Enable 8-Bit Transfers */
     282             : #define SETFEATURES_EN_WCACHE   0x02    /* Enable write cache */
     283             : #define SETFEATURES_DIS_DEFECT  0x04    /* Disable Defect Management */
     284             : #define SETFEATURES_EN_APM      0x05    /* Enable advanced power management */
     285             : #define SETFEATURES_EN_SAME_R   0x22    /* for a region ATA-1 */
     286             : #define SETFEATURES_DIS_MSN     0x31    /* Disable Media Status Notification */
     287             : #define SETFEATURES_DIS_RETRY   0x33    /* Disable Retry */
     288             : #define SETFEATURES_EN_AAM      0x42    /* Enable Automatic Acoustic Management */
     289             : #define SETFEATURES_RW_LONG     0x44    /* Set Length of VS bytes */
     290             : #define SETFEATURES_SET_CACHE   0x54    /* Set Cache segments to SC Reg. Val */
     291             : #define SETFEATURES_DIS_RLA     0x55    /* Disable read look-ahead feature */
     292             : #define SETFEATURES_EN_RI       0x5D    /* Enable release interrupt */
     293             : #define SETFEATURES_EN_SI       0x5E    /* Enable SERVICE interrupt */
     294             : #define SETFEATURES_DIS_RPOD    0x66    /* Disable reverting to power on defaults */
     295             : #define SETFEATURES_DIS_ECC     0x77    /* Disable ECC byte count */
     296             : #define SETFEATURES_DIS_8BIT    0x81    /* Disable 8-Bit Transfers */
     297             : #define SETFEATURES_DIS_WCACHE  0x82    /* Disable write cache */
     298             : #define SETFEATURES_EN_DEFECT   0x84    /* Enable Defect Management */
     299             : #define SETFEATURES_DIS_APM     0x85    /* Disable advanced power management */
     300             : #define SETFEATURES_EN_ECC      0x88    /* Enable ECC byte count */
     301             : #define SETFEATURES_EN_MSN      0x95    /* Enable Media Status Notification */
     302             : #define SETFEATURES_EN_RETRY    0x99    /* Enable Retry */
     303             : #define SETFEATURES_EN_RLA      0xAA    /* Enable read look-ahead feature */
     304             : #define SETFEATURES_PREFETCH    0xAB    /* Sets drive prefetch value */
     305             : #define SETFEATURES_EN_REST     0xAC    /* ATA-1 */
     306             : #define SETFEATURES_4B_RW_LONG  0xBB    /* Set Length of 4 bytes */
     307             : #define SETFEATURES_DIS_AAM     0xC2    /* Disable Automatic Acoustic Management */
     308             : #define SETFEATURES_EN_RPOD     0xCC    /* Enable reverting to power on defaults */
     309             : #define SETFEATURES_DIS_RI      0xDD    /* Disable release interrupt ATAPI */
     310             : #define SETFEATURES_EN_SAME_M   0xDD    /* for a entire device ATA-1 */
     311             : #define SETFEATURES_DIS_SI      0xDE    /* Disable SERVICE interrupt ATAPI */
     312             : 
     313             : /* WIN_SECURITY sub-commands */
     314             : 
     315             : #define SECURITY_SET_PASSWORD           0xBA
     316             : #define SECURITY_UNLOCK                 0xBB
     317             : #define SECURITY_ERASE_PREPARE          0xBC
     318             : #define SECURITY_ERASE_UNIT             0xBD
     319             : #define SECURITY_FREEZE_LOCK            0xBE
     320             : #define SECURITY_DISABLE_PASSWORD       0xBF
     321             : #endif /* __KERNEL__ */
     322             : 
     323             : struct hd_geometry {
     324             :       unsigned char heads;
     325             :       unsigned char sectors;
     326             :       unsigned short cylinders;
     327             :       unsigned long start;
     328             : };
     329             : 
     330             : /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
     331             : #define HDIO_GETGEO             0x0301  /* get device geometry */
     332             : #define HDIO_GET_UNMASKINTR     0x0302  /* get current unmask setting */
     333             : #define HDIO_GET_MULTCOUNT      0x0304  /* get current IDE blockmode setting */
     334             : #define HDIO_GET_QDMA           0x0305  /* get use-qdma flag */
     335           1 : 
     336             : #define HDIO_SET_XFER           0x0306  /* set transfer rate via proc */
     337             : 
     338             : #define HDIO_OBSOLETE_IDENTITY  0x0307  /* OBSOLETE, DO NOT USE: returns 142 bytes */
     339             : #define HDIO_GET_KEEPSETTINGS   0x0308  /* get keep-settings-on-reset flag */
     340             : #define HDIO_GET_32BIT          0x0309  /* get current io_32bit setting */
     341             : #define HDIO_GET_NOWERR         0x030a  /* get ignore-write-error flag */
     342             : #define HDIO_GET_DMA            0x030b  /* get use-dma flag */
     343             : #define HDIO_GET_NICE           0x030c  /* get nice flags */
     344             : #define HDIO_GET_IDENTITY       0x030d  /* get IDE identification info */
     345             : #define HDIO_GET_WCACHE         0x030e  /* get write cache mode on|off */
     346             : #define HDIO_GET_ACOUSTIC       0x030f  /* get acoustic value */
     347             : #define HDIO_GET_ADDRESS        0x0310  /* */
     348             : 
     349             : #define HDIO_GET_BUSSTATE       0x031a  /* get the bus state of the hwif */
     350             : #define HDIO_TRISTATE_HWIF      0x031b  /* execute a channel tristate */
     351             : #define HDIO_DRIVE_RESET        0x031c  /* execute a device reset */
     352             : #define HDIO_DRIVE_TASKFILE     0x031d  /* execute raw taskfile */
     353             : #define HDIO_DRIVE_TASK         0x031e  /* execute task and special drive command */
     354             : #define HDIO_DRIVE_CMD          0x031f  /* execute a special drive command */
     355             : #define HDIO_DRIVE_CMD_AEB      HDIO_DRIVE_TASK
     356             : 
     357             : /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
     358             : #define HDIO_SET_MULTCOUNT      0x0321  /* change IDE blockmode */
     359             : #define HDIO_SET_UNMASKINTR     0x0322  /* permit other irqs during I/O */
     360             : #define HDIO_SET_KEEPSETTINGS   0x0323  /* keep ioctl settings on reset */
     361             : #define HDIO_SET_32BIT          0x0324  /* change io_32bit flags */
     362             : #define HDIO_SET_NOWERR         0x0325  /* change ignore-write-error flag */
     363             : #define HDIO_SET_DMA            0x0326  /* change use-dma flag */
     364             : #define HDIO_SET_PIO_MODE       0x0327  /* reconfig interface to new speed */
     365             : #ifndef __KERNEL__
     366             : #define HDIO_SCAN_HWIF          0x0328  /* register and (re)scan interface */
     367             : #define HDIO_UNREGISTER_HWIF    0x032a  /* unregister interface */
     368             : #endif
     369             : #define HDIO_SET_NICE           0x0329  /* set nice flags */
     370             : #define HDIO_SET_WCACHE         0x032b  /* change write cache enable-disable */
     371             : #define HDIO_SET_ACOUSTIC       0x032c  /* change acoustic behavior */
     372             : #define HDIO_SET_BUSSTATE       0x032d  /* set the bus state of the hwif */
     373             : #define HDIO_SET_QDMA           0x032e  /* change use-qdma flag */
     374             : #define HDIO_SET_ADDRESS        0x032f  /* change lba addressing modes */
     375             : 
     376             : /* bus states */
     377             : enum {
     378             :         BUSSTATE_OFF = 0,
     379             :         BUSSTATE_ON,
     380             :         BUSSTATE_TRISTATE
     381             : };
     382             : 
     383             : /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
     384             : /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
     385             : /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
     386             : /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
     387             : /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
     388             : 
     389             : #define __NEW_HD_DRIVE_ID
     390             : 
     391             : #ifndef __KERNEL__
     392             : /*
     393             :  * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
     394             :  *
     395             :  * If you change something here, please remember to update fix_driveid() in
     396             :  * ide/probe.c.
     397             :  */
     398             : struct hd_driveid {
     399             :         unsigned short  config;         /* lots of obsolete bit flags */
     400             :         unsigned short  cyls;           /* Obsolete, "physical" cyls */
     401             :         unsigned short  reserved2;      /* reserved (word 2) */
     402             :         unsigned short  heads;          /* Obsolete, "physical" heads */
     403             :         unsigned short  track_bytes;    /* unformatted bytes per track */
     404             :         unsigned short  sector_bytes;   /* unformatted bytes per sector */
     405             :         unsigned short  sectors;        /* Obsolete, "physical" sectors per track */
     406             :         unsigned short  vendor0;        /* vendor unique */
     407             :         unsigned short  vendor1;        /* vendor unique */
     408             :         unsigned short  vendor2;        /* Retired vendor unique */
     409             :         unsigned char   serial_no[20];  /* 0 = not_specified */
     410             :         unsigned short  buf_type;       /* Retired */
     411             :         unsigned short  buf_size;       /* Retired, 512 byte increments
     412             :                                          * 0 = not_specified
     413             :                                          */
     414             :         unsigned short  ecc_bytes;      /* for r/w long cmds; 0 = not_specified */
     415             :         unsigned char   fw_rev[8];      /* 0 = not_specified */
     416             :         unsigned char   model[40];      /* 0 = not_specified */
     417             :         unsigned char   max_multsect;   /* 0=not_implemented */
     418             :         unsigned char   vendor3;        /* vendor unique */
     419             :         unsigned short  dword_io;       /* 0=not_implemented; 1=implemented */
     420             :         unsigned char   vendor4;        /* vendor unique */
     421             :         unsigned char   capability;     /* (upper byte of word 49)
     422             :                                          *  3:  IORDYsup
     423             :                                          *  2:  IORDYsw
     424             :                                          *  1:  LBA
     425             :                                          *  0:  DMA
     426             :                                          */
     427             :         unsigned short  reserved50;     /* reserved (word 50) */
     428             :         unsigned char   vendor5;        /* Obsolete, vendor unique */
     429             :         unsigned char   tPIO;           /* Obsolete, 0=slow, 1=medium, 2=fast */
     430             :         unsigned char   vendor6;        /* Obsolete, vendor unique */
     431             :         unsigned char   tDMA;           /* Obsolete, 0=slow, 1=medium, 2=fast */
     432             :         unsigned short  field_valid;    /* (word 53)
     433             :                                          *  2:  ultra_ok        word  88
     434             :                                          *  1:  eide_ok         words 64-70
     435             :                                          *  0:  cur_ok          words 54-58
     436             :                                          */
     437             :         unsigned short  cur_cyls;       /* Obsolete, logical cylinders */
     438             :         unsigned short  cur_heads;      /* Obsolete, l heads */
     439             :         unsigned short  cur_sectors;    /* Obsolete, l sectors per track */
     440             :         unsigned short  cur_capacity0;  /* Obsolete, l total sectors on drive */
     441             :         unsigned short  cur_capacity1;  /* Obsolete, (2 words, misaligned int)     */
     442             :         unsigned char   multsect;       /* current multiple sector count */
     443             :         unsigned char   multsect_valid; /* when (bit0==1) multsect is ok */
     444             :         unsigned int    lba_capacity;   /* Obsolete, total number of sectors */
     445             :         unsigned short  dma_1word;      /* Obsolete, single-word dma info */
     446             :         unsigned short  dma_mword;      /* multiple-word dma info */
     447             :         unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
     448             :         unsigned short  eide_dma_min;   /* min mword dma cycle time (ns) */
     449             :         unsigned short  eide_dma_time;  /* recommended mword dma cycle time (ns) */
     450             :         unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
     451             :         unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
     452             :         unsigned short  words69_70[2];  /* reserved words 69-70
     453             :                                          * future command overlap and queuing
     454             :                                          */
     455             :         unsigned short  words71_74[4];  /* reserved words 71-74
     456             :                                          * for IDENTIFY PACKET DEVICE command
     457             :                                          */
     458             :         unsigned short  queue_depth;    /* (word 75)
     459             :                                          * 15:5 reserved
     460             :                                          *  4:0 Maximum queue depth -1
     461             :                                          */
     462             :         unsigned short  words76_79[4];  /* reserved words 76-79 */
     463             :         unsigned short  major_rev_num;  /* (word 80) */
     464             :         unsigned short  minor_rev_num;  /* (word 81) */
     465             :         unsigned short  command_set_1;  /* (word 82) supported
     466             :                                          * 15:  Obsolete
     467             :                                          * 14:  NOP command
     468             :                                          * 13:  READ_BUFFER
     469             :                                          * 12:  WRITE_BUFFER
     470             :                                          * 11:  Obsolete
     471             :                                          * 10:  Host Protected Area
     472             :                                          *  9:  DEVICE Reset
     473             :                                          *  8:  SERVICE Interrupt
     474             :                                          *  7:  Release Interrupt
     475             :                                          *  6:  look-ahead
     476             :                                          *  5:  write cache
     477             :                                          *  4:  PACKET Command
     478             :                                          *  3:  Power Management Feature Set
     479             :                                          *  2:  Removable Feature Set
     480             :                                          *  1:  Security Feature Set
     481             :                                          *  0:  SMART Feature Set
     482             :                                          */
     483             :         unsigned short  command_set_2;  /* (word 83)
     484             :                                          * 15:  Shall be ZERO
     485             :                                          * 14:  Shall be ONE
     486             :                                          * 13:  FLUSH CACHE EXT
     487             :                                          * 12:  FLUSH CACHE
     488             :                                          * 11:  Device Configuration Overlay
     489             :                                          * 10:  48-bit Address Feature Set
     490             :                                          *  9:  Automatic Acoustic Management
     491             :                                          *  8:  SET MAX security
     492             :                                          *  7:  reserved 1407DT PARTIES
     493             :                                          *  6:  SetF sub-command Power-Up
     494             :                                          *  5:  Power-Up in Standby Feature Set
     495             :                                          *  4:  Removable Media Notification
     496             :                                          *  3:  APM Feature Set
     497             :                                          *  2:  CFA Feature Set
     498             :                                          *  1:  READ/WRITE DMA QUEUED
     499             :                                          *  0:  Download MicroCode
     500             :                                          */
     501             :         unsigned short  cfsse;          /* (word 84)
     502             :                                          * cmd set-feature supported extensions
     503             :                                          * 15:  Shall be ZERO
     504             :                                          * 14:  Shall be ONE
     505             :                                          * 13:6 reserved
     506             :                                          *  5:  General Purpose Logging
     507             :                                          *  4:  Streaming Feature Set
     508             :                                          *  3:  Media Card Pass Through
     509             :                                          *  2:  Media Serial Number Valid
     510             :                                          *  1:  SMART selt-test supported
     511             :                                          *  0:  SMART error logging
     512             :                                          */
     513             :         unsigned short  cfs_enable_1;   /* (word 85)
     514             :                                          * command set-feature enabled
     515             :                                          * 15:  Obsolete
     516             :                                          * 14:  NOP command
     517             :                                          * 13:  READ_BUFFER
     518             :                                          * 12:  WRITE_BUFFER
     519             :                                          * 11:  Obsolete
     520             :                                          * 10:  Host Protected Area
     521             :                                          *  9:  DEVICE Reset
     522             :                                          *  8:  SERVICE Interrupt
     523             :                                          *  7:  Release Interrupt
     524             :                                          *  6:  look-ahead
     525             :                                          *  5:  write cache
     526             :                                          *  4:  PACKET Command
     527             :                                          *  3:  Power Management Feature Set
     528             :                                          *  2:  Removable Feature Set
     529             :                                          *  1:  Security Feature Set
     530             :                                          *  0:  SMART Feature Set
     531             :                                          */
     532             :         unsigned short  cfs_enable_2;   /* (word 86)
     533             :                                          * command set-feature enabled
     534             :                                          * 15:  Shall be ZERO
     535             :                                          * 14:  Shall be ONE
     536             :                                          * 13:  FLUSH CACHE EXT
     537             :                                          * 12:  FLUSH CACHE
     538             :                                          * 11:  Device Configuration Overlay
     539             :                                          * 10:  48-bit Address Feature Set
     540             :                                          *  9:  Automatic Acoustic Management
     541             :                                          *  8:  SET MAX security
     542             :                                          *  7:  reserved 1407DT PARTIES
     543             :                                          *  6:  SetF sub-command Power-Up
     544             :                                          *  5:  Power-Up in Standby Feature Set
     545             :                                          *  4:  Removable Media Notification
     546             :                                          *  3:  APM Feature Set
     547             :                                          *  2:  CFA Feature Set
     548             :                                          *  1:  READ/WRITE DMA QUEUED
     549             :                                          *  0:  Download MicroCode
     550             :                                          */
     551             :         unsigned short  csf_default;    /* (word 87)
     552             :                                          * command set-feature default
     553             :                                          * 15:  Shall be ZERO
     554             :                                          * 14:  Shall be ONE
     555             :                                          * 13:6 reserved
     556             :                                          *  5:  General Purpose Logging enabled
     557             :                                          *  4:  Valid CONFIGURE STREAM executed
     558             :                                          *  3:  Media Card Pass Through enabled
     559             :                                          *  2:  Media Serial Number Valid
     560             :                                          *  1:  SMART selt-test supported
     561             :                                          *  0:  SMART error logging
     562             :                                          */
     563             :         unsigned short  dma_ultra;      /* (word 88) */
     564             :         unsigned short  trseuc;         /* time required for security erase */
     565             :         unsigned short  trsEuc;         /* time required for enhanced erase */
     566             :         unsigned short  CurAPMvalues;   /* current APM values */
     567             :         unsigned short  mprc;           /* master password revision code */
     568             :         unsigned short  hw_config;      /* hardware config (word 93)
     569             :                                          * 15:  Shall be ZERO
     570             :                                          * 14:  Shall be ONE
     571             :                                          * 13:
     572             :                                          * 12:
     573             :                                          * 11:
     574             :                                          * 10:
     575             :                                          *  9:
     576             :                                          *  8:
     577             :                                          *  7:
     578             :                                          *  6:
     579             :                                          *  5:
     580             :                                          *  4:
     581             :                                          *  3:
     582             :                                          *  2:
     583             :                                          *  1:
     584             :                                          *  0:  Shall be ONE
     585             :                                          */
     586             :         unsigned short  acoustic;       /* (word 94)
     587             :                                          * 15:8 Vendor's recommended value
     588             :                                          *  7:0 current value
     589             :                                          */
     590             :         unsigned short  msrqs;          /* min stream request size */
     591             :         unsigned short  sxfert;         /* stream transfer time */
     592             :         unsigned short  sal;            /* stream access latency */
     593             :         unsigned int    spg;            /* stream performance granularity */
     594             :         unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
     595             :         unsigned short  words104_125[22];/* reserved words 104-125 */
     596             :         unsigned short  last_lun;       /* (word 126) */
     597             :         unsigned short  word127;        /* (word 127) Feature Set
     598             :                                          * Removable Media Notification
     599             :                                          * 15:2 reserved
     600             :                                          *  1:0 00 = not supported
     601             :                                          *      01 = supported
     602             :                                          *      10 = reserved
     603             :                                          *      11 = reserved
     604             :                                          */
     605             :         unsigned short  dlf;            /* (word 128)
     606             :                                          * device lock function
     607             :                                          * 15:9 reserved
     608             :                                          *  8   security level 1:max 0:high
     609             :                                          *  7:6 reserved
     610             :                                          *  5   enhanced erase
     611             :                                          *  4   expire
     612             :                                          *  3   frozen
     613             :                                          *  2   locked
     614             :                                          *  1   en/disabled
     615             :                                          *  0   capability
     616             :                                          */
     617             :         unsigned short  csfo;           /*  (word 129)
     618             :                                          * current set features options
     619             :                                          * 15:4 reserved
     620             :                                          *  3:  auto reassign
     621             :                                          *  2:  reverting
     622             :                                          *  1:  read-look-ahead
     623             :                                          *  0:  write cache
     624             :                                          */
     625             :         unsigned short  words130_155[26];/* reserved vendor words 130-155 */
     626             :         unsigned short  word156;        /* reserved vendor word 156 */
     627             :         unsigned short  words157_159[3];/* reserved vendor words 157-159 */
     628             :         unsigned short  cfa_power;      /* (word 160) CFA Power Mode
     629             :                                          * 15 word 160 supported
     630             :                                          * 14 reserved
     631             :                                          * 13
     632             :                                          * 12
     633             :                                          * 11:0
     634             :                                          */
     635             :         unsigned short  words161_175[15];/* Reserved for CFA */
     636             :         unsigned short  words176_205[30];/* Current Media Serial Number */
     637             :         unsigned short  words206_254[49];/* reserved words 206-254 */
     638             :         unsigned short  integrity_word; /* (word 255)
     639             :                                          * 15:8 Checksum
     640             :                                          *  7:0 Signature
     641             :                                          */
     642             : };
     643             : #endif /* __KERNEL__ */
     644             : 
     645             : /*
     646             :  * IDE "nice" flags. These are used on a per drive basis to determine
     647             :  * when to be nice and give more bandwidth to the other devices which
     648             :  * share the same IDE bus.
     649             :  */
     650             : #define IDE_NICE_DSC_OVERLAP    (0)     /* per the DSC overlap protocol */
     651             : #define IDE_NICE_ATAPI_OVERLAP  (1)     /* not supported yet */
     652             : #define IDE_NICE_1              (3)     /* when probably won't affect us much */
     653             : #ifndef __KERNEL__
     654             : #define IDE_NICE_0              (2)     /* when sure that it won't affect us */
     655             : #define IDE_NICE_2              (4)     /* when we know it's on our expense */
     656             : #endif
     657             : 
     658             : #endif  /* _LINUX_HDREG_H */

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