sys/dev/disk/ahci/atascsi.h

   1 /*
   2  * Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  *
  16  * $OpenBSD: atascsi.h,v 1.33 2009/02/16 21:19:06 miod Exp $
  17  */
  18
  19 struct atascsi;
  20 struct scsi_link;
  21
  22 /*
  23  * ATA commands
  24  */
  25
  26 #define ATA_C_READDMA_EXT       0x25
  27 #define ATA_C_READ_LOG_EXT      0x2f
  28 #define ATA_C_WRITEDMA_EXT      0x35
  29 #define ATA_C_READ_FPDMA        0x60
  30 #define ATA_C_WRITE_FPDMA       0x61
  31 #define ATA_C_PACKET            0xa0
  32 #define ATA_C_ATAPI_IDENTIFY    0xa1
  33 #define ATA_C_READDMA           0xc8
  34 #define ATA_C_WRITEDMA          0xca
  35 #define ATA_C_READ_PM           0xe4
  36 #define ATA_C_WRITE_PM          0xe8
  37 #define ATA_C_FLUSH_CACHE       0xe7
  38 #define ATA_C_FLUSH_CACHE_EXT   0xea /* lba48 */
  39 #define ATA_C_IDENTIFY          0xec
  40 #define ATA_C_SET_FEATURES      0xef
  41 #define ATA_C_SEC_FREEZE_LOCK   0xf5
  42
  43 /*
  44  * ATA SET FEATURES subcommands
  45  */
  46 #define ATA_SF_WRITECACHE_EN    0x02
  47 #define ATA_SF_LOOKAHEAD_EN     0xaa
  48
  49 struct ata_identify {
  50         u_int16_t       config;         /*   0 */
  51         u_int16_t       ncyls;          /*   1 */
  52         u_int16_t       reserved1;      /*   2 */
  53         u_int16_t       nheads;         /*   3 */
  54         u_int16_t       track_size;     /*   4 */
  55         u_int16_t       sector_size;    /*   5 */
  56         u_int16_t       nsectors;       /*   6 */
  57         u_int16_t       reserved2[3];   /*   7 vendor unique */
  58         u_int8_t        serial[20];     /*  10 */
  59         u_int16_t       buffer_type;    /*  20 */
  60         u_int16_t       buffer_size;    /*  21 */
  61         u_int16_t       ecc;            /*  22 */
  62         u_int8_t        firmware[8];    /*  23 */
  63         u_int8_t        model[40];      /*  27 */
  64         u_int16_t       multi;          /*  47 */
  65         u_int16_t       dwcap;          /*  48 */
  66         u_int16_t       cap;            /*  49 */
  67         u_int16_t       reserved3;      /*  50 */
  68         u_int16_t       piomode;        /*  51 */
  69         u_int16_t       dmamode;        /*  52 */
  70         u_int16_t       validinfo;      /*  53 */
  71         u_int16_t       curcyls;        /*  54 */
  72         u_int16_t       curheads;       /*  55 */
  73         u_int16_t       cursectrk;      /*  56 */
  74         u_int16_t       curseccp[2];    /*  57 */
  75         u_int16_t       mult2;          /*  59 */
  76         u_int16_t       addrsec[2];     /*  60 */
  77         u_int16_t       worddma;        /*  62 */
  78         u_int16_t       dworddma;       /*  63 */
  79         u_int16_t       advpiomode;     /*  64 */
  80         u_int16_t       minmwdma;       /*  65 */
  81         u_int16_t       recmwdma;       /*  66 */
  82         u_int16_t       minpio;         /*  67 */
  83         u_int16_t       minpioflow;     /*  68 */
  84         u_int16_t       reserved4[2];   /*  69 */
  85         u_int16_t       typtime[2];     /*  71 */
  86         u_int16_t       reserved5[2];   /*  73 */
  87         u_int16_t       qdepth;         /*  75 */
  88         u_int16_t       satacap;        /*  76 */
  89         u_int16_t       reserved6;      /*  77 */
  90         u_int16_t       satafsup;       /*  78 */
  91         u_int16_t       satafen;        /*  79 */
  92         u_int16_t       majver;         /*  80 */
  93         u_int16_t       minver;         /*  81 */
  94         u_int16_t       cmdset82;       /*  82 */
  95         u_int16_t       cmdset83;       /*  83 */
  96         u_int16_t       cmdset84;       /*  84 */
  97         u_int16_t       features85;     /*  85 */
  98         u_int16_t       features86;     /*  86 */
  99         u_int16_t       features87;     /*  87 */
 100 #define ATA_ID_F87_WWN          (1<<8)
 101         u_int16_t       ultradma;       /*  88 */
 102         u_int16_t       erasetime;      /*  89 */
 103         u_int16_t       erasetimex;     /*  90 */
 104         u_int16_t       apm;            /*  91 */
 105         u_int16_t       masterpw;       /*  92 */
 106         u_int16_t       hwreset;        /*  93 */
 107         u_int16_t       acoustic;       /*  94 */
 108         u_int16_t       stream_min;     /*  95 */
 109         u_int16_t       stream_xfer_d;  /*  96 */
 110         u_int16_t       stream_lat;     /*  97 */
 111         u_int16_t       streamperf[2];  /*  98 */
 112         u_int16_t       addrsecxt[4];   /* 100 */
 113         u_int16_t       stream_xfer_p;  /* 104 */
 114         u_int16_t       padding1;       /* 105 */
 115         u_int16_t       phys_sect_sz;   /* 106 */
 116         u_int16_t       seek_delay;     /* 107 */
 117         u_int16_t       naa_ieee_oui;   /* 108 */
 118         u_int16_t       ieee_oui_uid;   /* 109 */
 119         u_int16_t       uid_mid;        /* 110 */
 120         u_int16_t       uid_low;        /* 111 */
 121         u_int16_t       resv_wwn[4];    /* 112 */
 122         u_int16_t       incits;         /* 116 */
 123         u_int16_t       words_lsec[2];  /* 117 */
 124         u_int16_t       cmdset119;      /* 119 */
 125         u_int16_t       features120;    /* 120 */
 126         u_int16_t       padding2[6];
 127         u_int16_t       rmsn;           /* 127 */
 128         u_int16_t       securestatus;   /* 128 */
 129 #define ATA_SECURE_LOCKED               (1<<2)
 130 #define ATA_SECURE_FROZEN               (1<<3)
 131         u_int16_t       vendor[31];     /* 129 */
 132         u_int16_t       padding3[16];   /* 160 */
 133         u_int16_t       curmedser[30];  /* 176 */
 134         u_int16_t       sctsupport;     /* 206 */
 135         u_int16_t       padding4[48];   /* 207 */
 136         u_int16_t       integrity;      /* 255 */
 137 } __packed;
 138
 139 /*
 140  * IDENTIFY DEVICE data
 141  */
 142 #define ATA_IDENTIFY_SECURITY           (1 << 1)
 143 #define ATA_IDENTIFY_WRITECACHE         (1 << 5)
 144 #define ATA_IDENTIFY_LOOKAHEAD          (1 << 6)
 145
 146 /*
 147  * Frame Information Structures
 148  */
 149
 150 #define ATA_FIS_LENGTH          20
 151
 152 struct ata_fis_h2d {
 153         u_int8_t                type;
 154 #define ATA_FIS_TYPE_H2D                0x27
 155         u_int8_t                flags;
 156 #define ATA_H2D_FLAGS_CMD               (1<<7)
 157         u_int8_t                command;
 158         u_int8_t                features;
 159 #define ATA_H2D_FEATURES_DMA            (1<<0)
 160 #define ATA_H2D_FEATURES_DIR            (1<<2)
 161 #define ATA_H2D_FEATURES_DIR_READ       (1<<2)
 162 #define ATA_H2D_FEATURES_DIR_WRITE      (0<<2)
 163
 164         u_int8_t                lba_low;
 165         u_int8_t                lba_mid;
 166         u_int8_t                lba_high;
 167         u_int8_t                device;
 168 #define ATA_H2D_DEVICE_LBA              0x40
 169
 170         u_int8_t                lba_low_exp;
 171         u_int8_t                lba_mid_exp;
 172         u_int8_t                lba_high_exp;
 173         u_int8_t                features_exp;
 174
 175         u_int8_t                sector_count;
 176         u_int8_t                sector_count_exp;
 177         u_int8_t                reserved0;
 178         u_int8_t                control;
 179 #define ATA_FIS_CONTROL_SRST    0x04
 180 #define ATA_FIS_CONTROL_4BIT    0x08
 181
 182         u_int8_t                reserved1;
 183         u_int8_t                reserved2;
 184         u_int8_t                reserved3;
 185         u_int8_t                reserved4;
 186 } __packed;
 187
 188 struct ata_fis_d2h {
 189         u_int8_t                type;
 190 #define ATA_FIS_TYPE_D2H                0x34
 191         u_int8_t                flags;
 192 #define ATA_D2H_FLAGS_INTR              (1<<6)
 193         u_int8_t                status;
 194         u_int8_t                error;
 195
 196         u_int8_t                lba_low;
 197         u_int8_t                lba_mid;
 198         u_int8_t                lba_high;
 199         u_int8_t                device;
 200
 201         u_int8_t                lba_low_exp;
 202         u_int8_t                lba_mid_exp;
 203         u_int8_t                lba_high_exp;
 204         u_int8_t                reserved0;
 205
 206         u_int8_t                sector_count;
 207         u_int8_t                sector_count_exp;
 208         u_int8_t                reserved1;
 209         u_int8_t                reserved2;
 210
 211         u_int8_t                reserved3;
 212         u_int8_t                reserved4;
 213         u_int8_t                reserved5;
 214         u_int8_t                reserved6;
 215 } __packed;
 216
 217 /*
 218  * SATA log page 10h -
 219  * looks like a D2H FIS, with errored tag number in first byte.
 220  */
 221 struct ata_log_page_10h {
 222         struct ata_fis_d2h      err_regs;
 223 #define ATA_LOG_10H_TYPE_NOTQUEUED      0x80
 224 #define ATA_LOG_10H_TYPE_TAG_MASK       0x1f
 225         u_int8_t                reserved[256 - sizeof(struct ata_fis_d2h)];
 226         u_int8_t                vendor_specific[255];
 227         u_int8_t                checksum;
 228 } __packed;
 229
 230 /*
 231  * SATA registers
 232  */
 233
 234 #define SATA_SStatus_DET                0x00f
 235 #define SATA_SStatus_DET_NODEV          0x000
 236 #define SATA_SStatus_DET_NOPHY          0x001
 237 #define SATA_SStatus_DET_DEV            0x003
 238 #define SATA_SStatus_DET_OFFLINE        0x008
 239
 240 #define SATA_SStatus_SPD                0x0f0
 241 #define SATA_SStatus_SPD_NONE           0x000
 242 #define SATA_SStatus_SPD_1_5            0x010
 243 #define SATA_SStatus_SPD_3_0            0x020
 244
 245 #define SATA_SStatus_IPM                0xf00
 246 #define SATA_SStatus_IPM_NODEV          0x000
 247 #define SATA_SStatus_IPM_ACTIVE         0x100
 248 #define SATA_SStatus_IPM_PARTIAL        0x200
 249 #define SATA_SStatus_IPM_SLUMBER        0x600
 250
 251 #define SATA_SIGNATURE_PORT_MULTIPLIER  0x96690101
 252 #define SATA_SIGNATURE_ATAPI            0xeb140101
 253 #define SATA_SIGNATURE_DISK             0x00000101
 254
 255 /*
 256  * ATA interface
 257  */
 258
 259 struct ahci_port;
 260
 261 struct ata_port {
 262         struct ata_identify     at_identify;    /* only if ATA_PORT_T_DISK */
 263         struct ahci_port        *at_ahci_port;
 264         int                     at_type;
 265 #define ATA_PORT_T_NONE                 0
 266 #define ATA_PORT_T_DISK                 1
 267 #define ATA_PORT_T_ATAPI                2
 268 #define ATA_PORT_T_PM                   3
 269         int                     at_features;
 270 #define ATA_PORT_F_WCACHE               (1 << 0)
 271 #define ATA_PORT_F_RAHEAD               (1 << 1)
 272 #define ATA_PORT_F_FRZLCK               (1 << 2)
 273         int                     at_probe;
 274 #define ATA_PROBE_NEED_HARD_RESET       0
 275 #define ATA_PROBE_NEED_SOFT_RESET       1
 276 #define ATA_PROBE_NEED_IDENT            2
 277 #define ATA_PROBE_GOOD                  3
 278 #define ATA_PROBE_FAILED                7
 279         int                     at_ncqdepth;
 280         u_int64_t               at_capacity;    /* only if ATA_PORT_T_DISK */
 281         int                     at_target;      /* port multiplier port */
 282         char                    at_name[16];
 283 };
 284
 285 struct ata_xfer {
 286         struct ata_fis_h2d      *fis;
 287         struct ata_fis_d2h      rfis;
 288         u_int8_t                *packetcmd;
 289         u_int8_t                tag;
 290
 291         void                    *data;
 292         size_t                  datalen;
 293         size_t                  resid;
 294
 295         void                    (*complete)(struct ata_xfer *);
 296         u_int                   timeout;
 297
 298         int                     flags;
 299 #define ATA_F_READ                      (1<<0)
 300 #define ATA_F_WRITE                     (1<<1)
 301 #define ATA_F_NOWAIT                    (1<<2)
 302 #define ATA_F_POLL                      (1<<3)
 303 #define ATA_F_PIO                       (1<<4)
 304 #define ATA_F_PACKET                    (1<<5)
 305 #define ATA_F_NCQ                       (1<<6)
 306 #define ATA_F_TIMEOUT_RUNNING           (1<<7)
 307 #define ATA_FMT_FLAGS                   "\020" "\010TRUNNING" \
 308                                         "\007NCQ" "\006PACKET" \
 309                                         "\005PIO" "\004POLL" "\003NOWAIT" \
 310                                         "\002WRITE" "\001READ"
 311
 312         volatile int            state;
 313 #define ATA_S_SETUP                     0
 314 #define ATA_S_PENDING                   1
 315 #define ATA_S_COMPLETE                  2
 316 #define ATA_S_ERROR                     3
 317 #define ATA_S_TIMEOUT                   4
 318 #define ATA_S_ONCHIP                    5
 319 #define ATA_S_PUT                       6
 320
 321         void                    *atascsi_private;
 322         struct ata_port         *at;    /* NULL if direct-attached */
 323 };
 324
 325 #define ATA_QUEUED              0
 326 #define ATA_COMPLETE            1
 327 #define ATA_ERROR               2