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1.1 ! nbrk 1: /* $OpenBSD: atascsi.h,v 1.25 2007/04/12 13:08:34 jsg Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: struct atascsi;
! 20:
! 21: /*
! 22: * ATA commands
! 23: */
! 24:
! 25: #define ATA_C_READDMA_EXT 0x25
! 26: #define ATA_C_READ_LOG_EXT 0x2f
! 27: #define ATA_C_WRITEDMA_EXT 0x35
! 28: #define ATA_C_READ_FPDMA 0x60
! 29: #define ATA_C_WRITE_FPDMA 0x61
! 30: #define ATA_C_PACKET 0xa0
! 31: #define ATA_C_READDMA 0xc8
! 32: #define ATA_C_WRITEDMA 0xca
! 33: #define ATA_C_FLUSH_CACHE 0xe7
! 34: #define ATA_C_FLUSH_CACHE_EXT 0xea /* lba48 */
! 35: #define ATA_C_IDENTIFY 0xec
! 36: #define ATA_C_SEC_FREEZE_LOCK 0xf5
! 37:
! 38: struct ata_identify {
! 39: u_int16_t config; /* 0 */
! 40: u_int16_t ncyls; /* 1 */
! 41: u_int16_t reserved1; /* 2 */
! 42: u_int16_t nheads; /* 3 */
! 43: u_int16_t track_size; /* 4 */
! 44: u_int16_t sector_size; /* 5 */
! 45: u_int16_t nsectors; /* 6 */
! 46: u_int16_t reserved2[3]; /* 7 vendor unique */
! 47: u_int8_t serial[20]; /* 10 */
! 48: u_int16_t buffer_type; /* 20 */
! 49: u_int16_t buffer_size; /* 21 */
! 50: u_int16_t ecc; /* 22 */
! 51: u_int8_t firmware[8]; /* 23 */
! 52: u_int8_t model[40]; /* 27 */
! 53: u_int16_t multi; /* 47 */
! 54: u_int16_t dwcap; /* 48 */
! 55: u_int16_t cap; /* 49 */
! 56: u_int16_t reserved3; /* 50 */
! 57: u_int16_t piomode; /* 51 */
! 58: u_int16_t dmamode; /* 52 */
! 59: u_int16_t validinfo; /* 53 */
! 60: u_int16_t curcyls; /* 54 */
! 61: u_int16_t curheads; /* 55 */
! 62: u_int16_t cursectrk; /* 56 */
! 63: u_int16_t curseccp[2]; /* 57 */
! 64: u_int16_t mult2; /* 59 */
! 65: u_int16_t addrsec[2]; /* 60 */
! 66: u_int16_t worddma; /* 62 */
! 67: u_int16_t dworddma; /* 63 */
! 68: u_int16_t advpiomode; /* 64 */
! 69: u_int16_t minmwdma; /* 65 */
! 70: u_int16_t recmwdma; /* 66 */
! 71: u_int16_t minpio; /* 67 */
! 72: u_int16_t minpioflow; /* 68 */
! 73: u_int16_t reserved4[2]; /* 69 */
! 74: u_int16_t typtime[2]; /* 71 */
! 75: u_int16_t reserved5[2]; /* 73 */
! 76: u_int16_t qdepth; /* 75 */
! 77: u_int16_t satacap; /* 76 */
! 78: u_int16_t reserved6; /* 77 */
! 79: u_int16_t satafsup; /* 78 */
! 80: u_int16_t satafen; /* 79 */
! 81: u_int16_t majver; /* 80 */
! 82: u_int16_t minver; /* 81 */
! 83: u_int16_t cmdset82; /* 82 */
! 84: u_int16_t cmdset83; /* 83 */
! 85: u_int16_t cmdset84; /* 84 */
! 86: u_int16_t features85; /* 85 */
! 87: u_int16_t features86; /* 86 */
! 88: u_int16_t features87; /* 87 */
! 89: u_int16_t ultradma; /* 88 */
! 90: u_int16_t erasetime; /* 89 */
! 91: u_int16_t erasetimex; /* 90 */
! 92: u_int16_t apm; /* 91 */
! 93: u_int16_t masterpw; /* 92 */
! 94: u_int16_t hwreset; /* 93 */
! 95: u_int16_t acoustic; /* 94 */
! 96: u_int16_t stream_min; /* 95 */
! 97: u_int16_t stream_xfer_d; /* 96 */
! 98: u_int16_t stream_lat; /* 97 */
! 99: u_int16_t streamperf[2]; /* 98 */
! 100: u_int16_t addrsecxt[4]; /* 100 */
! 101: u_int16_t stream_xfer_p; /* 104 */
! 102: u_int16_t padding1; /* 105 */
! 103: u_int16_t phys_sect_sz; /* 106 */
! 104: u_int16_t seek_delay; /* 107 */
! 105: u_int16_t naa_ieee_oui; /* 108 */
! 106: u_int16_t ieee_oui_uid; /* 109 */
! 107: u_int16_t uid_mid; /* 110 */
! 108: u_int16_t uid_low; /* 111 */
! 109: u_int16_t resv_wwn[4]; /* 112 */
! 110: u_int16_t incits; /* 116 */
! 111: u_int16_t words_lsec[2]; /* 117 */
! 112: u_int16_t cmdset119; /* 119 */
! 113: u_int16_t features120; /* 120 */
! 114: u_int16_t padding2[6];
! 115: u_int16_t rmsn; /* 127 */
! 116: u_int16_t securestatus; /* 128 */
! 117: u_int16_t vendor[31]; /* 129 */
! 118: u_int16_t padding3[16]; /* 160 */
! 119: u_int16_t curmedser[30]; /* 176 */
! 120: u_int16_t sctsupport; /* 206 */
! 121: u_int16_t padding4[48]; /* 207 */
! 122: u_int16_t integrity; /* 255 */
! 123: } __packed;
! 124:
! 125: /*
! 126: * Frame Information Structures
! 127: */
! 128:
! 129: #define ATA_FIS_LENGTH 20
! 130:
! 131: struct ata_fis_h2d {
! 132: u_int8_t type;
! 133: #define ATA_FIS_TYPE_H2D 0x27
! 134: u_int8_t flags;
! 135: #define ATA_H2D_FLAGS_CMD (1<<7)
! 136: u_int8_t command;
! 137: u_int8_t features;
! 138: #define ATA_H2D_FEATURES_DMA (1<<0)
! 139: #define ATA_H2D_FEATURES_DIR (1<<2)
! 140: #define ATA_H2D_FEATURES_DIR_READ (1<<2)
! 141: #define ATA_H2D_FEATURES_DIR_WRITE (0<<2)
! 142:
! 143: u_int8_t lba_low;
! 144: u_int8_t lba_mid;
! 145: u_int8_t lba_high;
! 146: u_int8_t device;
! 147: #define ATA_H2D_DEVICE_LBA 0x40
! 148:
! 149: u_int8_t lba_low_exp;
! 150: u_int8_t lba_mid_exp;
! 151: u_int8_t lba_high_exp;
! 152: u_int8_t features_exp;
! 153:
! 154: u_int8_t sector_count;
! 155: u_int8_t sector_count_exp;
! 156: u_int8_t reserved0;
! 157: u_int8_t control;
! 158:
! 159: u_int8_t reserved1;
! 160: u_int8_t reserved2;
! 161: u_int8_t reserved3;
! 162: u_int8_t reserved4;
! 163: } __packed;
! 164:
! 165: struct ata_fis_d2h {
! 166: u_int8_t type;
! 167: #define ATA_FIS_TYPE_D2H 0x34
! 168: u_int8_t flags;
! 169: #define ATA_D2H_FLAGS_INTR (1<<6)
! 170: u_int8_t status;
! 171: u_int8_t error;
! 172:
! 173: u_int8_t lba_low;
! 174: u_int8_t lba_mid;
! 175: u_int8_t lba_high;
! 176: u_int8_t device;
! 177:
! 178: u_int8_t lba_low_exp;
! 179: u_int8_t lba_mid_exp;
! 180: u_int8_t lba_high_exp;
! 181: u_int8_t reserved0;
! 182:
! 183: u_int8_t sector_count;
! 184: u_int8_t sector_count_exp;
! 185: u_int8_t reserved1;
! 186: u_int8_t reserved2;
! 187:
! 188: u_int8_t reserved3;
! 189: u_int8_t reserved4;
! 190: u_int8_t reserved5;
! 191: u_int8_t reserved6;
! 192: } __packed;
! 193:
! 194: /*
! 195: * SATA log page 10h -
! 196: * looks like a D2H FIS, with errored tag number in first byte.
! 197: */
! 198: struct ata_log_page_10h {
! 199: struct ata_fis_d2h err_regs;
! 200: #define ATA_LOG_10H_TYPE_NOTQUEUED 0x80
! 201: #define ATA_LOG_10H_TYPE_TAG_MASK 0x1f
! 202: u_int8_t reserved[256 - sizeof(struct ata_fis_d2h)];
! 203: u_int8_t vendor_specific[255];
! 204: u_int8_t checksum;
! 205: } __packed;
! 206:
! 207: /*
! 208: * SATA registers
! 209: */
! 210:
! 211: #define SATA_SStatus_DET 0x00f
! 212: #define SATA_SStatus_DET_NODEV 0x000
! 213: #define SATA_SStatus_DET_NOPHY 0x001
! 214: #define SATA_SStatus_DET_DEV 0x003
! 215: #define SATA_SStatus_DET_OFFLINE 0x008
! 216:
! 217: #define SATA_SStatus_SPD 0x0f0
! 218: #define SATA_SStatus_SPD_NONE 0x000
! 219: #define SATA_SStatus_SPD_1_5 0x010
! 220: #define SATA_SStatus_SPD_3_0 0x020
! 221:
! 222: #define SATA_SStatus_IPM 0xf00
! 223: #define SATA_SStatus_IPM_NODEV 0x000
! 224: #define SATA_SStatus_IPM_ACTIVE 0x100
! 225: #define SATA_SStatus_IPM_PARTIAL 0x200
! 226: #define SATA_SStatus_IPM_SLUMBER 0x600
! 227:
! 228: #define SATA_SIGNATURE_PORT_MULTIPLIER 0x96690101
! 229: #define SATA_SIGNATURE_ATAPI 0xeb140101
! 230: #define SATA_SIGNATURE_DISK 0x00000101
! 231:
! 232: /*
! 233: * ATA interface
! 234: */
! 235:
! 236: struct ata_port {
! 237: struct atascsi *ap_as;
! 238: int ap_port;
! 239: int ap_type;
! 240: #define ATA_PORT_T_NONE 0
! 241: #define ATA_PORT_T_DISK 1
! 242: #define ATA_PORT_T_ATAPI 2
! 243: int ap_features;
! 244: #define ATA_PORT_F_PROBED (1 << 0)
! 245: int ap_ncqdepth;
! 246: };
! 247:
! 248: struct ata_xfer {
! 249: struct ata_fis_h2d *fis;
! 250: struct ata_fis_d2h rfis;
! 251: u_int8_t *packetcmd;
! 252: u_int8_t tag;
! 253:
! 254: u_int8_t *data;
! 255: size_t datalen;
! 256: size_t resid;
! 257:
! 258: void (*complete)(struct ata_xfer *);
! 259: struct timeout stimeout;
! 260: u_int timeout;
! 261:
! 262: int flags;
! 263: #define ATA_F_READ (1<<0)
! 264: #define ATA_F_WRITE (1<<1)
! 265: #define ATA_F_NOWAIT (1<<2)
! 266: #define ATA_F_POLL (1<<3)
! 267: #define ATA_F_PIO (1<<4)
! 268: #define ATA_F_PACKET (1<<5)
! 269: #define ATA_F_NCQ (1<<6)
! 270: volatile int state;
! 271: #define ATA_S_SETUP 0
! 272: #define ATA_S_PENDING 1
! 273: #define ATA_S_COMPLETE 2
! 274: #define ATA_S_ERROR 3
! 275: #define ATA_S_TIMEOUT 4
! 276: #define ATA_S_ONCHIP 5
! 277: #define ATA_S_PUT 6
! 278:
! 279: void *atascsi_private;
! 280:
! 281: void (*ata_put_xfer)(struct ata_xfer *);
! 282: };
! 283:
! 284: #define ATA_QUEUED 0
! 285: #define ATA_COMPLETE 1
! 286: #define ATA_ERROR 2
! 287:
! 288: /*
! 289: * atascsi
! 290: */
! 291:
! 292: struct atascsi_methods {
! 293: int (*probe)(void *, int);
! 294: struct ata_xfer * (*ata_get_xfer)(void *, int );
! 295: int (*ata_cmd)(struct ata_xfer *);
! 296: };
! 297:
! 298: struct atascsi_attach_args {
! 299: void *aaa_cookie;
! 300:
! 301: struct atascsi_methods *aaa_methods;
! 302: void (*aaa_minphys)(struct buf *);
! 303: int aaa_nports;
! 304: int aaa_ncmds;
! 305: int aaa_capability;
! 306: #define ASAA_CAP_NCQ (1 << 0)
! 307: #define ASAA_CAP_NEEDS_RESERVED (1 << 1)
! 308: };
! 309:
! 310: struct atascsi *atascsi_attach(struct device *, struct atascsi_attach_args *);
! 311: int atascsi_detach(struct atascsi *);
! 312:
! 313: int atascsi_probe_dev(struct atascsi *, int);
! 314: int atascsi_detach_dev(struct atascsi *, int);