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_READDMA           0xc8
  33 #define ATA_C_WRITEDMA          0xca
  34 #define ATA_C_FLUSH_CACHE       0xe7
  35 #define ATA_C_FLUSH_CACHE_EXT   0xea /* lba48 */
  36 #define ATA_C_IDENTIFY          0xec
  37 #define ATA_C_SET_FEATURES      0xef
  38 #define ATA_C_SEC_FREEZE_LOCK   0xf5
  39
  40 /*
  41  * ATA SET FEATURES subcommands
  42  */
  43 #define ATA_SF_WRITECACHE_EN    0x02
  44 #define ATA_SF_LOOKAHEAD_EN     0xaa
  45
  46 struct ata_identify {
  47         u_int16_t       config;         /*   0 */
  48         u_int16_t       ncyls;          /*   1 */
  49         u_int16_t       reserved1;      /*   2 */
  50         u_int16_t       nheads;         /*   3 */
  51         u_int16_t       track_size;     /*   4 */
  52         u_int16_t       sector_size;    /*   5 */
  53         u_int16_t       nsectors;       /*   6 */
  54         u_int16_t       reserved2[3];   /*   7 vendor unique */
  55         u_int8_t        serial[20];     /*  10 */
  56         u_int16_t       buffer_type;    /*  20 */
  57         u_int16_t       buffer_size;    /*  21 */
  58         u_int16_t       ecc;            /*  22 */
  59         u_int8_t        firmware[8];    /*  23 */
  60         u_int8_t        model[40];      /*  27 */
  61         u_int16_t       multi;          /*  47 */
  62         u_int16_t       dwcap;          /*  48 */
  63         u_int16_t       cap;            /*  49 */
  64         u_int16_t       reserved3;      /*  50 */
  65         u_int16_t       piomode;        /*  51 */
  66         u_int16_t       dmamode;        /*  52 */
  67         u_int16_t       validinfo;      /*  53 */
  68         u_int16_t       curcyls;        /*  54 */
  69         u_int16_t       curheads;       /*  55 */
  70         u_int16_t       cursectrk;      /*  56 */
  71         u_int16_t       curseccp[2];    /*  57 */
  72         u_int16_t       mult2;          /*  59 */
  73         u_int16_t       addrsec[2];     /*  60 */
  74         u_int16_t       worddma;        /*  62 */
  75         u_int16_t       dworddma;       /*  63 */
  76         u_int16_t       advpiomode;     /*  64 */
  77         u_int16_t       minmwdma;       /*  65 */
  78         u_int16_t       recmwdma;       /*  66 */
  79         u_int16_t       minpio;         /*  67 */
  80         u_int16_t       minpioflow;     /*  68 */
  81         u_int16_t       reserved4[2];   /*  69 */
  82         u_int16_t       typtime[2];     /*  71 */
  83         u_int16_t       reserved5[2];   /*  73 */
  84         u_int16_t       qdepth;         /*  75 */
  85         u_int16_t       satacap;        /*  76 */
  86         u_int16_t       reserved6;      /*  77 */
  87         u_int16_t       satafsup;       /*  78 */
  88         u_int16_t       satafen;        /*  79 */
  89         u_int16_t       majver;         /*  80 */
  90         u_int16_t       minver;         /*  81 */
  91         u_int16_t       cmdset82;       /*  82 */
  92         u_int16_t       cmdset83;       /*  83 */
  93         u_int16_t       cmdset84;       /*  84 */
  94         u_int16_t       features85;     /*  85 */
  95         u_int16_t       features86;     /*  86 */
  96         u_int16_t       features87;     /*  87 */
  97 #define ATA_ID_F87_WWN          (1<<8)
  98         u_int16_t       ultradma;       /*  88 */
  99         u_int16_t       erasetime;      /*  89 */
 100         u_int16_t       erasetimex;     /*  90 */
 101         u_int16_t       apm;            /*  91 */
 102         u_int16_t       masterpw;       /*  92 */
 103         u_int16_t       hwreset;        /*  93 */
 104         u_int16_t       acoustic;       /*  94 */
 105         u_int16_t       stream_min;     /*  95 */
 106         u_int16_t       stream_xfer_d;  /*  96 */
 107         u_int16_t       stream_lat;     /*  97 */
 108         u_int16_t       streamperf[2];  /*  98 */
 109         u_int16_t       addrsecxt[4];   /* 100 */
 110         u_int16_t       stream_xfer_p;  /* 104 */
 111         u_int16_t       padding1;       /* 105 */
 112         u_int16_t       phys_sect_sz;   /* 106 */
 113         u_int16_t       seek_delay;     /* 107 */
 114         u_int16_t       naa_ieee_oui;   /* 108 */
 115         u_int16_t       ieee_oui_uid;   /* 109 */
 116         u_int16_t       uid_mid;        /* 110 */
 117         u_int16_t       uid_low;        /* 111 */
 118         u_int16_t       resv_wwn[4];    /* 112 */
 119         u_int16_t       incits;         /* 116 */
 120         u_int16_t       words_lsec[2];  /* 117 */
 121         u_int16_t       cmdset119;      /* 119 */
 122         u_int16_t       features120;    /* 120 */
 123         u_int16_t       padding2[6];
 124         u_int16_t       rmsn;           /* 127 */
 125         u_int16_t       securestatus;   /* 128 */
 126         u_int16_t       vendor[31];     /* 129 */
 127         u_int16_t       padding3[16];   /* 160 */
 128         u_int16_t       curmedser[30];  /* 176 */
 129         u_int16_t       sctsupport;     /* 206 */
 130         u_int16_t       padding4[48];   /* 207 */
 131         u_int16_t       integrity;      /* 255 */
 132 } __packed;
 133
 134 /*
 135  * IDENTIFY DEVICE data
 136  */
 137 #define ATA_IDENTIFY_SECURITY           (1 << 1)
 138 #define ATA_IDENTIFY_WRITECACHE         (1 << 5)
 139 #define ATA_IDENTIFY_LOOKAHEAD          (1 << 6)
 140
 141 /*
 142  * Frame Information Structures
 143  */
 144
 145 #define ATA_FIS_LENGTH          20
 146
 147 struct ata_fis_h2d {
 148         u_int8_t                type;
 149 #define ATA_FIS_TYPE_H2D                0x27
 150         u_int8_t                flags;
 151 #define ATA_H2D_FLAGS_CMD               (1<<7)
 152         u_int8_t                command;
 153         u_int8_t                features;
 154 #define ATA_H2D_FEATURES_DMA            (1<<0)
 155 #define ATA_H2D_FEATURES_DIR            (1<<2)
 156 #define ATA_H2D_FEATURES_DIR_READ       (1<<2)
 157 #define ATA_H2D_FEATURES_DIR_WRITE      (0<<2)
 158
 159         u_int8_t                lba_low;
 160         u_int8_t                lba_mid;
 161         u_int8_t                lba_high;
 162         u_int8_t                device;
 163 #define ATA_H2D_DEVICE_LBA              0x40
 164
 165         u_int8_t                lba_low_exp;
 166         u_int8_t                lba_mid_exp;
 167         u_int8_t                lba_high_exp;
 168         u_int8_t                features_exp;
 169
 170         u_int8_t                sector_count;
 171         u_int8_t                sector_count_exp;
 172         u_int8_t                reserved0;
 173         u_int8_t                control;
 174
 175         u_int8_t                reserved1;
 176         u_int8_t                reserved2;
 177         u_int8_t                reserved3;
 178         u_int8_t                reserved4;
 179 } __packed;
 180
 181 struct ata_fis_d2h {
 182         u_int8_t                type;
 183 #define ATA_FIS_TYPE_D2H                0x34
 184         u_int8_t                flags;
 185 #define ATA_D2H_FLAGS_INTR              (1<<6)
 186         u_int8_t                status;
 187         u_int8_t                error;
 188
 189         u_int8_t                lba_low;
 190         u_int8_t                lba_mid;
 191         u_int8_t                lba_high;
 192         u_int8_t                device;
 193
 194         u_int8_t                lba_low_exp;
 195         u_int8_t                lba_mid_exp;
 196         u_int8_t                lba_high_exp;
 197         u_int8_t                reserved0;
 198
 199         u_int8_t                sector_count;
 200         u_int8_t                sector_count_exp;
 201         u_int8_t                reserved1;
 202         u_int8_t                reserved2;
 203
 204         u_int8_t                reserved3;
 205         u_int8_t                reserved4;
 206         u_int8_t                reserved5;
 207         u_int8_t                reserved6;
 208 } __packed;
 209
 210 /*
 211  * SATA log page 10h -
 212  * looks like a D2H FIS, with errored tag number in first byte.
 213  */
 214 struct ata_log_page_10h {
 215         struct ata_fis_d2h      err_regs;
 216 #define ATA_LOG_10H_TYPE_NOTQUEUED      0x80
 217 #define ATA_LOG_10H_TYPE_TAG_MASK       0x1f
 218         u_int8_t                reserved[256 - sizeof(struct ata_fis_d2h)];
 219         u_int8_t                vendor_specific[255];
 220         u_int8_t                checksum;
 221 } __packed;
 222
 223 /*
 224  * SATA registers
 225  */
 226
 227 #define SATA_SStatus_DET                0x00f
 228 #define SATA_SStatus_DET_NODEV          0x000
 229 #define SATA_SStatus_DET_NOPHY          0x001
 230 #define SATA_SStatus_DET_DEV            0x003
 231 #define SATA_SStatus_DET_OFFLINE        0x008
 232
 233 #define SATA_SStatus_SPD                0x0f0
 234 #define SATA_SStatus_SPD_NONE           0x000
 235 #define SATA_SStatus_SPD_1_5            0x010
 236 #define SATA_SStatus_SPD_3_0            0x020
 237
 238 #define SATA_SStatus_IPM                0xf00
 239 #define SATA_SStatus_IPM_NODEV          0x000
 240 #define SATA_SStatus_IPM_ACTIVE         0x100
 241 #define SATA_SStatus_IPM_PARTIAL        0x200
 242 #define SATA_SStatus_IPM_SLUMBER        0x600
 243
 244 #define SATA_SIGNATURE_PORT_MULTIPLIER  0x96690101
 245 #define SATA_SIGNATURE_ATAPI            0xeb140101
 246 #define SATA_SIGNATURE_DISK             0x00000101
 247
 248 /*
 249  * ATA interface
 250  */
 251
 252 struct ata_port {
 253         struct ata_identify     ap_identify;    /* only if ATA_PORT_T_DISK */
 254         struct atascsi          *ap_as;
 255         int                     ap_type;
 256 #define ATA_PORT_T_NONE                 0
 257 #define ATA_PORT_T_DISK                 1
 258 #define ATA_PORT_T_ATAPI                2
 259         int                     ap_features;
 260 #define ATA_PORT_F_PROBED               (1 << 0)
 261 #define ATA_PORT_F_WCACHE               (1 << 1)
 262 #define ATA_PORT_F_RAHEAD               (1 << 2)
 263 #define ATA_PORT_F_FRZLCK               (1 << 3)
 264         int                     ap_ncqdepth;
 265         u_int64_t               ap_capacity;    /* only if ATA_PORT_T_DISK */
 266 };
 267
 268 struct ata_xfer {
 269         struct ata_fis_h2d      *fis;
 270         struct ata_fis_d2h      rfis;
 271         u_int8_t                *packetcmd;
 272         u_int8_t                tag;
 273
 274         void                    *data;
 275         size_t                  datalen;
 276         size_t                  resid;
 277
 278         void                    (*complete)(struct ata_xfer *);
 279         u_int                   timeout;
 280
 281         int                     flags;
 282 #define ATA_F_READ                      (1<<0)
 283 #define ATA_F_WRITE                     (1<<1)
 284 #define ATA_F_NOWAIT                    (1<<2)
 285 #define ATA_F_POLL                      (1<<3)
 286 #define ATA_F_PIO                       (1<<4)
 287 #define ATA_F_PACKET                    (1<<5)
 288 #define ATA_F_NCQ                       (1<<6)
 289 #define ATA_F_TIMEOUT_RUNNING           (1<<7)
 290 #define ATA_FMT_FLAGS                   "\020" "\010TRUNNING" \
 291                                         "\007NCQ" "\006PACKET" \
 292                                         "\005PIO" "\004POLL" "\003NOWAIT" \
 293                                         "\002WRITE" "\001READ"
 294
 295         volatile int            state;
 296 #define ATA_S_SETUP                     0
 297 #define ATA_S_PENDING                   1
 298 #define ATA_S_COMPLETE                  2
 299 #define ATA_S_ERROR                     3
 300 #define ATA_S_TIMEOUT                   4
 301 #define ATA_S_ONCHIP                    5
 302 #define ATA_S_PUT                       6
 303
 304         void                    *atascsi_private;
 305
 306         void                    (*ata_put_xfer)(struct ata_xfer *);
 307 };
 308
 309 #define ATA_QUEUED              0
 310 #define ATA_COMPLETE            1
 311 #define ATA_ERROR               2