os_os2/hdreg.h

   1 #ifndef _LINUX_HDREG_H
   2 #define _LINUX_HDREG_H
   3
   4 /*
   5  * This file contains some defines for the AT-hd-controller.
   6  * Various sources.
   7  */
   8
   9 #define HD_IRQ 14               /* the standard disk interrupt */
  10
  11 /* ide.c has its own port definitions in "ide.h" */
  12
  13 /* Hd controller regs. Ref: IBM AT Bios-listing */
  14 #define HD_DATA         0x1f0   /* _CTL when writing */
  15 #define HD_ERROR        0x1f1   /* see err-bits */
  16 #define HD_NSECTOR      0x1f2   /* nr of sectors to read/write */
  17 #define HD_SECTOR       0x1f3   /* starting sector */
  18 #define HD_LCYL         0x1f4   /* starting cylinder */
  19 #define HD_HCYL         0x1f5   /* high byte of starting cyl */
  20 #define HD_CURRENT      0x1f6   /* 101dhhhh , d=drive, hhhh=head */
  21 #define HD_STATUS       0x1f7   /* see status-bits */
  22 #define HD_FEATURE HD_ERROR     /* same io address, read=error, write=feature */
  23 #define HD_PRECOMP HD_FEATURE   /* obsolete use of this port - predates IDE */
  24 #define HD_COMMAND HD_STATUS    /* same io address, read=status, write=cmd */
  25
  26 #define HD_CMD          0x3f6   /* used for resets */
  27 #define HD_ALTSTATUS    0x3f6   /* same as HD_STATUS but doesn't clear irq */
  28
  29 /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
  30
  31 /* Bits of HD_STATUS */
  32 #define ERR_STAT        0x01
  33 #define INDEX_STAT      0x02
  34 #define ECC_STAT        0x04    /* Corrected error */
  35 #define DRQ_STAT        0x08
  36 #define SEEK_STAT       0x10
  37 #define WRERR_STAT      0x20
  38 #define READY_STAT      0x40
  39 #define BUSY_STAT       0x80
  40
  41 /* Values for HD_COMMAND */
  42 #define WIN_RESTORE             0x10
  43 #define WIN_READ                0x20
  44 #define WIN_WRITE               0x30
  45 #define WIN_WRITE_VERIFY        0x3C
  46 #define WIN_VERIFY              0x40
  47 #define WIN_FORMAT              0x50
  48 #define WIN_INIT                0x60
  49 #define WIN_SEEK                0x70
  50 #define WIN_DIAGNOSE            0x90
  51 #define WIN_SPECIFY             0x91    /* set drive geometry translation */
  52 #define WIN_IDLEIMMEDIATE       0xE1    /* force drive to become "ready" */
  53 #define WIN_SETIDLE1            0xE3
  54 #define WIN_SETIDLE2            0x97
  55
  56 #define WIN_STANDBYNOW1         0xE0
  57 #define WIN_STANDBYNOW2         0x94
  58 #define WIN_SLEEPNOW1           0xE6
  59 #define WIN_SLEEPNOW2           0x99
  60 #define WIN_CHECKPOWERMODE1     0xE5
  61 #define WIN_CHECKPOWERMODE2     0x98
  62
  63 #define WIN_DOORLOCK            0xDE    /* lock door on removable drives */
  64 #define WIN_DOORUNLOCK          0xDF    /* unlock door on removable drives */
  65
  66 #define WIN_MULTREAD            0xC4    /* read sectors using multiple mode */
  67 #define WIN_MULTWRITE           0xC5    /* write sectors using multiple mode */
  68 #define WIN_SETMULT             0xC6    /* enable/disable multiple mode */
  69 #define WIN_IDENTIFY            0xEC    /* ask drive to identify itself */
  70 #define WIN_IDENTIFY_DMA        0xEE    /* same as WIN_IDENTIFY, but DMA */
  71 #define WIN_SETFEATURES         0xEF    /* set special drive features */
  72 #define WIN_READDMA             0xC8    /* read sectors using DMA transfers */
  73 #define WIN_WRITEDMA            0xCA    /* write sectors using DMA transfers */
  74
  75 #define WIN_QUEUED_SERVICE      0xA2    /* */
  76 #define WIN_READDMA_QUEUED      0xC7    /* read sectors using Queued DMA transfers */
  77 #define WIN_WRITEDMA_QUEUED     0xCC    /* write sectors using Queued DMA transfers */
  78
  79 #define WIN_READ_BUFFER         0xE4    /* force read only 1 sector */
  80 #define WIN_WRITE_BUFFER        0xE8    /* force write only 1 sector */
  81
  82 #define WIN_SMART               0xB0    /* self-monitoring and reporting */
  83
  84 /* Additional drive command codes used by ATAPI devices. */
  85 #define WIN_PIDENTIFY           0xA1    /* identify ATAPI device        */
  86 #define WIN_SRST                0x08    /* ATAPI soft reset command */
  87 #define WIN_PACKETCMD           0xA0    /* Send a packet command. */
  88
  89 #define DISABLE_SEAGATE         0xFB
  90 #define EXABYTE_ENABLE_NEST     0xF0
  91
  92 /* WIN_SMART sub-commands */
  93
  94 #define SMART_READ_VALUES       0xd0
  95 #define SMART_READ_THRESHOLDS   0xd1
  96 #define SMART_AUTOSAVE          0xd2
  97 #define SMART_SAVE              0xd3
  98 #define SMART_IMMEDIATE_OFFLINE 0xd4
  99 #define SMART_READ_LOG_SECTOR   0xd5
 100 #define SMART_WRITE_LOG_SECTOR  0xd6
 101 #define SMART_ENABLE            0xd8
 102 #define SMART_DISABLE           0xd9
 103 #define SMART_STATUS            0xda
 104 #define SMART_AUTO_OFFLINE      0xdb
 105
 106 /* WIN_SETFEATURES sub-commands */
 107
 108 #define SETFEATURES_EN_WCACHE   0x02    /* Enable write cache */
 109 #define SETFEATURES_XFER        0x03    /* Set transfer mode */
 110 #       define XFER_UDMA_7      0x47    /* 0100|0111 */
 111 #       define XFER_UDMA_6      0x46    /* 0100|0110 */
 112 #       define XFER_UDMA_5      0x45    /* 0100|0101 */
 113 #       define XFER_UDMA_4      0x44    /* 0100|0100 */
 114 #       define XFER_UDMA_3      0x43    /* 0100|0011 */
 115 #       define XFER_UDMA_2      0x42    /* 0100|0010 */
 116 #       define XFER_UDMA_1      0x41    /* 0100|0001 */
 117 #       define XFER_UDMA_0      0x40    /* 0100|0000 */
 118 #       define XFER_MW_DMA_2    0x22    /* 0010|0010 */
 119 #       define XFER_MW_DMA_1    0x21    /* 0010|0001 */
 120 #       define XFER_MW_DMA_0    0x20    /* 0010|0000 */
 121 #       define XFER_SW_DMA_2    0x12    /* 0001|0010 */
 122 #       define XFER_SW_DMA_1    0x11    /* 0001|0001 */
 123 #       define XFER_SW_DMA_0    0x10    /* 0001|0000 */
 124 #       define XFER_PIO_4       0x0C    /* 0000|1100 */
 125 #       define XFER_PIO_3       0x0B    /* 0000|1011 */
 126 #       define XFER_PIO_2       0x0A    /* 0000|1010 */
 127 #       define XFER_PIO_1       0x09    /* 0000|1001 */
 128 #       define XFER_PIO_0       0x08    /* 0000|1000 */
 129 #       define XFER_PIO_SLOW    0x00    /* 0000|0000 */
 130 #define SETFEATURES_DIS_DEFECT  0x04    /* Disable Defect Management */
 131 #define SETFEATURES_EN_APM      0x05    /* Enable advanced power management */
 132 #define SETFEATURES_DIS_MSN     0x31    /* Disable Media Status Notification */
 133 #define SETFEATURES_DIS_RLA     0x55    /* Disable read look-ahead feature */
 134 #define SETFEATURES_EN_RI       0x5D    /* Enable release interrupt */
 135 #define SETFEATURES_EN_SI       0x5E    /* Enable SERVICE interrupt */
 136 #define SETFEATURES_DIS_RPOD    0x66    /* Disable reverting to power on defaults */
 137 #define SETFEATURES_DIS_WCACHE  0x82    /* Disable write cache */
 138 #define SETFEATURES_EN_DEFECT   0x84    /* Enable Defect Management */
 139 #define SETFEATURES_DIS_APM     0x85    /* Disable advanced power management */
 140 #define SETFEATURES_EN_MSN      0x95    /* Enable Media Status Notification */
 141 #define SETFEATURES_EN_RLA      0xAA    /* Enable read look-ahead feature */
 142 #define SETFEATURES_PREFETCH    0xAB    /* Sets drive prefetch value */
 143 #define SETFEATURES_EN_RPOD     0xCC    /* Enable reverting to power on defaults */
 144 #define SETFEATURES_DIS_RI      0xDD    /* Disable release interrupt */
 145 #define SETFEATURES_DIS_SI      0xDE    /* Disable SERVICE interrupt */
 146
 147 /* WIN_SECURITY sub-commands */
 148
 149 #define SECURITY_SET_PASSWORD           0xBA    /* 0xF1 */
 150 #define SECURITY_UNLOCK                 0xBB    /* 0xF2 */
 151 #define SECURITY_ERASE_PREPARE          0xBC    /* 0xF3 */
 152 #define SECURITY_ERASE_UNIT             0xBD    /* 0xF4 */
 153 #define SECURITY_FREEZE_LOCK            0xBE    /* 0xF5 */
 154 #define SECURITY_DISABLE_PASSWORD       0xBF    /* 0xF6 */
 155
 156 /* Bits for HD_ERROR */
 157 #define MARK_ERR        0x01    /* Bad address mark */
 158 #define TRK0_ERR        0x02    /* couldn't find track 0 */
 159 #define ABRT_ERR        0x04    /* Command aborted */
 160 #define MCR_ERR         0x08    /* media change request */
 161 #define ID_ERR          0x10    /* ID field not found */
 162 #define ECC_ERR         0x40    /* Uncorrectable ECC error */
 163 #define BBD_ERR         0x80    /* pre-EIDE meaning:  block marked bad */
 164 #define ICRC_ERR        0x80    /* new meaning:  CRC error during transfer */
 165
 166 struct hd_geometry {
 167       unsigned char heads;
 168       unsigned char sectors;
 169       unsigned short cylinders;
 170       unsigned long start;
 171 };
 172
 173 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
 174 #define HDIO_GETGEO             0x0301  /* get device geometry */
 175 #define HDIO_GET_UNMASKINTR     0x0302  /* get current unmask setting */
 176 #define HDIO_GET_MULTCOUNT      0x0304  /* get current IDE blockmode setting */
 177 #define HDIO_OBSOLETE_IDENTITY  0x0307  /* OBSOLETE, DO NOT USE: returns 142 bytes */
 178 #define HDIO_GET_KEEPSETTINGS   0x0308  /* get keep-settings-on-reset flag */
 179 #define HDIO_GET_32BIT          0x0309  /* get current io_32bit setting */
 180 #define HDIO_GET_NOWERR         0x030a  /* get ignore-write-error flag */
 181 #define HDIO_GET_DMA            0x030b  /* get use-dma flag */
 182 #define HDIO_GET_NICE           0x030c  /* get nice flags */
 183 #define HDIO_GET_IDENTITY       0x030d  /* get IDE identification info */
 184
 185 #define HDIO_DRIVE_RESET        0x031c  /* execute a device reset */
 186 #define HDIO_TRISTATE_HWIF      0x031d  /* execute a channel tristate */
 187 #ifndef __EMX__
 188 #define HDIO_DRIVE_TASK         0x031e  /* execute task and special drive command */
 189 #endif
 190 #define HDIO_DRIVE_CMD          0x031f  /* execute a special drive command */
 191
 192 #define HDIO_DRIVE_CMD_AEB      HDIO_DRIVE_TASK
 193
 194 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
 195 #define HDIO_SET_MULTCOUNT      0x0321  /* change IDE blockmode */
 196 #define HDIO_SET_UNMASKINTR     0x0322  /* permit other irqs during I/O */
 197 #define HDIO_SET_KEEPSETTINGS   0x0323  /* keep ioctl settings on reset */
 198 #define HDIO_SET_32BIT          0x0324  /* change io_32bit flags */
 199 #define HDIO_SET_NOWERR         0x0325  /* change ignore-write-error flag */
 200 #define HDIO_SET_DMA            0x0326  /* change use-dma flag */
 201 #define HDIO_SET_PIO_MODE       0x0327  /* reconfig interface to new speed */
 202 #define HDIO_SCAN_HWIF          0x0328  /* register and (re)scan interface */
 203 #define HDIO_SET_NICE           0x0329  /* set nice flags */
 204 #define HDIO_UNREGISTER_HWIF    0x032a  /* unregister interface */
 205
 206 /* BIG GEOMETRY */
 207 struct hd_big_geometry {
 208         unsigned char heads;
 209         unsigned char sectors;
 210         unsigned int cylinders;
 211         unsigned long start;
 212 };
 213
 214 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
 215 #define HDIO_GETGEO_BIG         0x0330  /* */
 216 #define HDIO_GETGEO_BIG_RAW     0x0331  /* */
 217
 218 #define __NEW_HD_DRIVE_ID
 219 /* structure returned by HDIO_GET_IDENTITY, as per ANSI ATA2 rev.2f spec */
 220 struct hd_driveid {
 221         unsigned short  config;         /* lots of obsolete bit flags */
 222         unsigned short  cyls;           /* "physical" cyls */
 223         unsigned short  reserved2;      /* reserved (word 2) */
 224         unsigned short  heads;          /* "physical" heads */
 225         unsigned short  track_bytes;    /* unformatted bytes per track */
 226         unsigned short  sector_bytes;   /* unformatted bytes per sector */
 227         unsigned short  sectors;        /* "physical" sectors per track */
 228         unsigned short  vendor0;        /* vendor unique */
 229         unsigned short  vendor1;        /* vendor unique */
 230         unsigned short  vendor2;        /* vendor unique */
 231         unsigned char   serial_no[20];  /* 0 = not_specified */
 232         unsigned short  buf_type;
 233         unsigned short  buf_size;       /* 512 byte increments; 0 = not_specified */
 234         unsigned short  ecc_bytes;      /* for r/w long cmds; 0 = not_specified */
 235         unsigned char   fw_rev[8];      /* 0 = not_specified */
 236         unsigned char   model[40];      /* 0 = not_specified */
 237         unsigned char   max_multsect;   /* 0=not_implemented */
 238         unsigned char   vendor3;        /* vendor unique */
 239         unsigned short  dword_io;       /* 0=not_implemented; 1=implemented */
 240         unsigned char   vendor4;        /* vendor unique */
 241         unsigned char   capability;     /* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/
 242         unsigned short  reserved50;     /* reserved (word 50) */
 243         unsigned char   vendor5;        /* vendor unique */
 244         unsigned char   tPIO;           /* 0=slow, 1=medium, 2=fast */
 245         unsigned char   vendor6;        /* vendor unique */
 246         unsigned char   tDMA;           /* 0=slow, 1=medium, 2=fast */
 247         unsigned short  field_valid;    /* bits 0:cur_ok 1:eide_ok */
 248         unsigned short  cur_cyls;       /* logical cylinders */
 249         unsigned short  cur_heads;      /* logical heads */
 250         unsigned short  cur_sectors;    /* logical sectors per track */
 251         unsigned short  cur_capacity0;  /* logical total sectors on drive */
 252         unsigned short  cur_capacity1;  /*  (2 words, misaligned int)     */
 253         unsigned char   multsect;       /* current multiple sector count */
 254         unsigned char   multsect_valid; /* when (bit0==1) multsect is ok */
 255         unsigned int    lba_capacity;   /* total number of sectors */
 256         unsigned short  dma_1word;      /* single-word dma info */
 257         unsigned short  dma_mword;      /* multiple-word dma info */
 258         unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
 259         unsigned short  eide_dma_min;   /* min mword dma cycle time (ns) */
 260         unsigned short  eide_dma_time;  /* recommended mword dma cycle time (ns) */
 261         unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
 262         unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
 263         unsigned short  words69_70[2];  /* reserved words 69-70 */
 264         /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
 265         unsigned short  words71_74[4];  /* reserved words 71-74 */
 266         unsigned short  queue_depth;    /*  */
 267         unsigned short  words76_79[4];  /* reserved words 76-79 */
 268         unsigned short  major_rev_num;  /*  */
 269         unsigned short  minor_rev_num;  /*  */
 270         unsigned short  command_set_1;  /* bits 0:Smart 1:Security 2:Removable 3:PM */
 271         unsigned short  command_set_2;  /* bits 14:Smart Enabled 13:0 zero */
 272         unsigned short  cfsse;          /* command set-feature supported extensions */
 273         unsigned short  cfs_enable_1;   /* command set-feature enabled */
 274         unsigned short  cfs_enable_2;   /* command set-feature enabled */
 275         unsigned short  csf_default;    /* command set-feature default */
 276         unsigned short  dma_ultra;      /*  */
 277         unsigned short  word89;         /* reserved (word 89) */
 278         unsigned short  word90;         /* reserved (word 90) */
 279         unsigned short  CurAPMvalues;   /* current APM values */
 280         unsigned short  word92;         /* reserved (word 92) */
 281         unsigned short  hw_config;      /* hardware config */
 282         unsigned short  words94_125[32];/* reserved words 94-125 */
 283         unsigned short  last_lun;       /* reserved (word 126) */
 284         unsigned short  word127;        /* reserved (word 127) */
 285         unsigned short  dlf;            /* device lock function
 286                                          * 15:9 reserved
 287                                          * 8    security level 1:max 0:high
 288                                          * 7:6  reserved
 289                                          * 5    enhanced erase
 290                                          * 4    expire
 291                                          * 3    frozen
 292                                          * 2    locked
 293                                          * 1    en/disabled
 294                                          * 0    capability
 295                                          */
 296         unsigned short  csfo;           /* current set features options
 297                                          * 15:4 reserved
 298                                          * 3    auto reassign
 299                                          * 2    reverting
 300                                          * 1    read-look-ahead
 301                                          * 0    write cache
 302                                          */
 303         unsigned short  words130_155[26];/* reserved vendor words 130-155 */
 304         unsigned short  word156;
 305         unsigned short  words157_159[3];/* reserved vendor words 157-159 */
 306         unsigned short  words160_255[95];/* reserved words 160-255 */
 307 };
 308
 309 /*
 310  * IDE "nice" flags. These are used on a per drive basis to determine
 311  * when to be nice and give more bandwidth to the other devices which
 312  * share the same IDE bus.
 313  */
 314 #define IDE_NICE_DSC_OVERLAP    (0)     /* per the DSC overlap protocol */
 315 #define IDE_NICE_ATAPI_OVERLAP  (1)     /* not supported yet */
 316 #define IDE_NICE_0              (2)     /* when sure that it won't affect us */
 317 #define IDE_NICE_1              (3)     /* when probably won't affect us much */
 318 #define IDE_NICE_2              (4)     /* when we know it's on our expense */
 319
 320 #ifdef __KERNEL__
 321 /*
 322  * These routines are used for kernel command line parameters from main.c:
 323  */
 324 #include <linux/config.h>
 325
 326 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 327 int ide_register(int io_port, int ctl_port, int irq);
 328 void ide_unregister(unsigned int);
 329 #endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */
 330
 331 #endif  /* __KERNEL__ */
 332
 333 #endif  /* _LINUX_HDREG_H */