| 1 | /* $NetBSD: umass_isdata.c,v 1.32 2016/04/23 10:15:32 skrll Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * TODO: |
| 5 | * get ATA registers on any kind of error |
| 6 | * implement more commands (what is needed) |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * Copyright (c) 2001 The NetBSD Foundation, Inc. |
| 11 | * All rights reserved. |
| 12 | * |
| 13 | * This code is derived from software contributed to The NetBSD Foundation |
| 14 | * by Lennart Augustsson (lennart@augustsson.net) at |
| 15 | * Carlstedt Research & Technology. |
| 16 | * |
| 17 | * Redistribution and use in source and binary forms, with or without |
| 18 | * modification, are permitted provided that the following conditions |
| 19 | * are met: |
| 20 | * 1. Redistributions of source code must retain the above copyright |
| 21 | * notice, this list of conditions and the following disclaimer. |
| 22 | * 2. Redistributions in binary form must reproduce the above copyright |
| 23 | * notice, this list of conditions and the following disclaimer in the |
| 24 | * documentation and/or other materials provided with the distribution. |
| 25 | * |
| 26 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 27 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 28 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 29 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 30 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 31 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 32 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 33 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 34 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 35 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 36 | * POSSIBILITY OF SUCH DAMAGE. |
| 37 | */ |
| 38 | |
| 39 | #include <sys/cdefs.h> |
| 40 | __KERNEL_RCSID(0, "$NetBSD: umass_isdata.c,v 1.32 2016/04/23 10:15:32 skrll Exp $" ); |
| 41 | |
| 42 | #include <sys/param.h> |
| 43 | #include <sys/systm.h> |
| 44 | #include <sys/kernel.h> |
| 45 | #include <sys/conf.h> |
| 46 | #include <sys/buf.h> |
| 47 | #include <sys/device.h> |
| 48 | #include <sys/proc.h> |
| 49 | #include <sys/disklabel.h> |
| 50 | #include <sys/malloc.h> |
| 51 | |
| 52 | #include <dev/usb/usb.h> |
| 53 | #include <dev/usb/usbdi.h> |
| 54 | #include <dev/usb/usbdi_util.h> |
| 55 | |
| 56 | #include <dev/usb/umassvar.h> |
| 57 | #include <dev/usb/umass_isdata.h> |
| 58 | |
| 59 | int umass_wd_attach(struct umass_softc *); |
| 60 | |
| 61 | #include <dev/ata/atareg.h> |
| 62 | #include <dev/ata/atavar.h> |
| 63 | |
| 64 | /* XXX move this */ |
| 65 | struct isd200_config { |
| 66 | uByte EventNotification; |
| 67 | uByte ExternalClock; |
| 68 | uByte ATAInitTimeout; |
| 69 | uByte ATAMisc1; |
| 70 | #define ATATiming 0x0f |
| 71 | #define ATAPIReset 0x10 |
| 72 | #define MasterSlaveSelection 0x20 |
| 73 | #define ATAPICommandBlockSize 0xc0 |
| 74 | uByte ATAMajorCommand; |
| 75 | uByte ATAMinorCommand; |
| 76 | uByte ATAMisc2; |
| 77 | #define LastLUNIdentifier 0x07 |
| 78 | #define DescriptOverride 0x08 |
| 79 | #define ATA3StateSuspend 0x10 |
| 80 | #define SkipDeviceBoot 0x20 |
| 81 | #define ConfigDescriptor2 0x40 |
| 82 | #define InitStatus 0x80 |
| 83 | uByte ATAMisc3; |
| 84 | #define SRSTEnable 0x01 |
| 85 | }; |
| 86 | |
| 87 | struct uisdata_softc { |
| 88 | struct umassbus_softc base; |
| 89 | |
| 90 | struct ata_drive_datas sc_drv_data; |
| 91 | struct isd200_config sc_isd_config; |
| 92 | void *sc_ata_bio; |
| 93 | u_long sc_skip; |
| 94 | }; |
| 95 | |
| 96 | #undef DPRINTF |
| 97 | #undef DPRINTFN |
| 98 | #ifdef UISDATA_DEBUG |
| 99 | #define DPRINTF(x) if (uisdatadebug) printf x |
| 100 | #define DPRINTFN(n,x) if (uisdatadebug>(n)) printf x |
| 101 | int uisdatadebug = 0; |
| 102 | #else |
| 103 | #define DPRINTF(x) |
| 104 | #define DPRINTFN(n,x) |
| 105 | #endif |
| 106 | |
| 107 | int uisdata_bio(struct ata_drive_datas *, struct ata_bio *); |
| 108 | int uisdata_bio1(struct ata_drive_datas *, struct ata_bio *); |
| 109 | void uisdata_reset_drive(struct ata_drive_datas *, int, uint32_t *); |
| 110 | void uisdata_reset_channel(struct ata_channel *, int); |
| 111 | int uisdata_exec_command(struct ata_drive_datas *, struct ata_command *); |
| 112 | int uisdata_get_params(struct ata_drive_datas *, uint8_t, struct ataparams *); |
| 113 | int uisdata_addref(struct ata_drive_datas *); |
| 114 | void uisdata_delref(struct ata_drive_datas *); |
| 115 | void uisdata_kill_pending(struct ata_drive_datas *); |
| 116 | |
| 117 | void uisdata_bio_cb(struct umass_softc *, void *, int, int); |
| 118 | void uisdata_exec_cb(struct umass_softc *, void *, int, int); |
| 119 | int uwdprint(void *, const char *); |
| 120 | |
| 121 | const struct ata_bustype uisdata_bustype = { |
| 122 | SCSIPI_BUSTYPE_ATA, |
| 123 | uisdata_bio, |
| 124 | uisdata_reset_drive, |
| 125 | uisdata_reset_channel, |
| 126 | uisdata_exec_command, |
| 127 | uisdata_get_params, |
| 128 | uisdata_addref, |
| 129 | uisdata_delref, |
| 130 | uisdata_kill_pending, |
| 131 | }; |
| 132 | |
| 133 | struct ata_cmd { |
| 134 | uint8_t ac_signature0; |
| 135 | uint8_t ac_signature1; |
| 136 | |
| 137 | uint8_t ac_action_select; |
| 138 | #define AC_ReadRegisterAccess 0x01 |
| 139 | #define AC_NoDeviceSelectionBit 0x02 |
| 140 | #define AC_NoBSYPollBit 0x04 |
| 141 | #define AC_IgnorePhaseErrorBit 0x08 |
| 142 | #define AC_IgnoreDeviceErrorBit 0x10 |
| 143 | |
| 144 | uint8_t ac_register_select; |
| 145 | #define AC_SelectAlternateStatus 0x01 /* R */ |
| 146 | #define AC_SelectDeviceControl 0x01 /* W */ |
| 147 | #define AC_SelectError 0x02 /* R */ |
| 148 | #define AC_SelectFeatures 0x02 /* W */ |
| 149 | #define AC_SelectSectorCount 0x04 /* RW */ |
| 150 | #define AC_SelectSectorNumber 0x08 /* RW */ |
| 151 | #define AC_SelectCylinderLow 0x10 /* RW */ |
| 152 | #define AC_SelectCylinderHigh 0x20 /* RW */ |
| 153 | #define AC_SelectDeviceHead 0x40 /* RW */ |
| 154 | #define AC_SelectStatus 0x80 /* R */ |
| 155 | #define AC_SelectCommand 0x80 /* W */ |
| 156 | |
| 157 | uint8_t ac_transfer_blocksize; |
| 158 | |
| 159 | uint8_t ac_alternate_status; |
| 160 | #define ac_device_control ac_alternate_status |
| 161 | uint8_t ac_error; |
| 162 | #define ac_features ac_error |
| 163 | |
| 164 | uint8_t ac_sector_count; |
| 165 | uint8_t ac_sector_number; |
| 166 | uint8_t ac_cylinder_low; |
| 167 | uint8_t ac_cylinder_high; |
| 168 | uint8_t ac_device_head; |
| 169 | |
| 170 | uint8_t ac_status; |
| 171 | #define ac_command ac_status |
| 172 | |
| 173 | uint8_t ac_reserved[3]; |
| 174 | }; |
| 175 | |
| 176 | #define ATA_DELAY 10000 /* 10s for a drive I/O */ |
| 177 | |
| 178 | int |
| 179 | umass_isdata_attach(struct umass_softc *sc) |
| 180 | { |
| 181 | usb_device_request_t req; |
| 182 | usbd_status err; |
| 183 | struct ata_device adev; |
| 184 | struct uisdata_softc *scbus; |
| 185 | struct isd200_config *cf; |
| 186 | |
| 187 | scbus = malloc(sizeof(*scbus), M_DEVBUF, M_WAITOK | M_ZERO); |
| 188 | sc->bus = &scbus->base; |
| 189 | cf = &scbus->sc_isd_config; |
| 190 | |
| 191 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 192 | req.bRequest = 0x02; |
| 193 | USETW(req.wValue, 0); |
| 194 | USETW(req.wIndex, 2); |
| 195 | USETW(req.wLength, sizeof(*cf)); |
| 196 | |
| 197 | err = usbd_do_request(sc->sc_udev, &req, cf); |
| 198 | if (err) { |
| 199 | sc->bus = NULL; |
| 200 | free(scbus, M_DEVBUF); |
| 201 | return EIO; |
| 202 | } |
| 203 | DPRINTF(("umass_wd_attach info:\n EventNotification=0x%02x " |
| 204 | "ExternalClock=0x%02x ATAInitTimeout=0x%02x\n" |
| 205 | " ATAMisc1=0x%02x ATAMajorCommand=0x%02x " |
| 206 | "ATAMinorCommand=0x%02x\n" |
| 207 | " ATAMisc2=0x%02x ATAMisc3=0x%02x\n" , |
| 208 | cf->EventNotification, cf->ExternalClock, cf->ATAInitTimeout, |
| 209 | cf->ATAMisc1, cf->ATAMajorCommand, cf->ATAMinorCommand, |
| 210 | cf->ATAMisc2, cf->ATAMisc3)); |
| 211 | |
| 212 | memset(&adev, 0, sizeof(struct ata_device)); |
| 213 | adev.adev_bustype = &uisdata_bustype; |
| 214 | adev.adev_channel = 1; /* XXX */ |
| 215 | adev.adev_openings = 1; |
| 216 | adev.adev_drv_data = &scbus->sc_drv_data; |
| 217 | scbus->sc_drv_data.drive_type = ATA_DRIVET_ATA; |
| 218 | scbus->sc_drv_data.chnl_softc = sc; |
| 219 | scbus->base.sc_child = config_found(sc->sc_dev, &adev, uwdprint); |
| 220 | |
| 221 | return 0; |
| 222 | } |
| 223 | |
| 224 | |
| 225 | void |
| 226 | uisdata_bio_cb(struct umass_softc *sc, void *priv, int residue, int status) |
| 227 | { |
| 228 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
| 229 | struct ata_bio *ata_bio = priv; |
| 230 | int s; |
| 231 | |
| 232 | DPRINTF(("%s: residue=%d status=%d\n" , __func__, residue, status)); |
| 233 | |
| 234 | s = splbio(); |
| 235 | scbus->sc_ata_bio = NULL; |
| 236 | if (status != STATUS_CMD_OK) |
| 237 | ata_bio->error = ERR_DF; /* ??? */ |
| 238 | else |
| 239 | ata_bio->error = NOERROR; |
| 240 | ata_bio->flags |= ATA_ITSDONE; |
| 241 | |
| 242 | ata_bio->blkdone += ata_bio->nblks; |
| 243 | ata_bio->blkno += ata_bio->nblks; |
| 244 | ata_bio->bcount -= ata_bio->nbytes; |
| 245 | scbus->sc_skip += ata_bio->nbytes; |
| 246 | if (residue != 0) { |
| 247 | ata_bio->bcount += residue; |
| 248 | } else if (ata_bio->bcount > 0) { |
| 249 | DPRINTF(("%s: continue\n" , __func__)); |
| 250 | (void)uisdata_bio1(&scbus->sc_drv_data, ata_bio); /*XXX save drv*/ |
| 251 | splx(s); |
| 252 | return; |
| 253 | } |
| 254 | |
| 255 | if (ata_bio->flags & ATA_POLL) { |
| 256 | DPRINTF(("%s: wakeup %p\n" , __func__, ata_bio)); |
| 257 | wakeup(ata_bio); |
| 258 | } else { |
| 259 | (*scbus->sc_drv_data.drv_done)(scbus->sc_drv_data.drv_softc); |
| 260 | } |
| 261 | splx(s); |
| 262 | } |
| 263 | |
| 264 | int |
| 265 | uisdata_bio(struct ata_drive_datas *drv, struct ata_bio *ata_bio) |
| 266 | { |
| 267 | struct umass_softc *sc = drv->chnl_softc; |
| 268 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
| 269 | |
| 270 | scbus->sc_skip = 0; |
| 271 | return uisdata_bio1(drv, ata_bio); |
| 272 | } |
| 273 | |
| 274 | int |
| 275 | uisdata_bio1(struct ata_drive_datas *drv, struct ata_bio *ata_bio) |
| 276 | { |
| 277 | struct umass_softc *sc = drv->chnl_softc; |
| 278 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
| 279 | struct isd200_config *cf = &scbus->sc_isd_config; |
| 280 | struct ata_cmd ata; |
| 281 | uint16_t cyl; |
| 282 | uint8_t head, sect; |
| 283 | int dir; |
| 284 | long nbytes; |
| 285 | u_int nblks; |
| 286 | |
| 287 | DPRINTF(("%s\n" , __func__)); |
| 288 | /* XXX */ |
| 289 | |
| 290 | if (ata_bio->flags & ATA_POLL) { |
| 291 | printf("%s: ATA_POLL not supported\n" , __func__); |
| 292 | ata_bio->error = TIMEOUT; |
| 293 | ata_bio->flags |= ATA_ITSDONE; |
| 294 | return ATACMD_COMPLETE; |
| 295 | } |
| 296 | |
| 297 | if (scbus->sc_ata_bio != NULL) { |
| 298 | printf("%s: multiple uisdata_bio\n" , __func__); |
| 299 | return ATACMD_TRY_AGAIN; |
| 300 | } else |
| 301 | scbus->sc_ata_bio = ata_bio; |
| 302 | |
| 303 | if (ata_bio->flags & ATA_LBA) { |
| 304 | sect = (ata_bio->blkno >> 0) & 0xff; |
| 305 | cyl = (ata_bio->blkno >> 8) & 0xffff; |
| 306 | head = (ata_bio->blkno >> 24) & 0x0f; |
| 307 | head |= WDSD_LBA; |
| 308 | } else { |
| 309 | int blkno = ata_bio->blkno; |
| 310 | sect = blkno % ata_bio->lp->d_nsectors; |
| 311 | sect++; /* Sectors begin with 1, not 0. */ |
| 312 | blkno /= ata_bio->lp->d_nsectors; |
| 313 | head = blkno % ata_bio->lp->d_ntracks; |
| 314 | blkno /= ata_bio->lp->d_ntracks; |
| 315 | cyl = blkno; |
| 316 | head |= WDSD_CHS; |
| 317 | } |
| 318 | |
| 319 | nbytes = ata_bio->bcount; |
| 320 | if (ata_bio->flags & ATA_SINGLE) |
| 321 | nblks = 1; |
| 322 | else |
| 323 | nblks = min(ata_bio->multi, nbytes / ata_bio->lp->d_secsize); |
| 324 | nbytes = nblks * ata_bio->lp->d_secsize; |
| 325 | ata_bio->nblks = nblks; |
| 326 | ata_bio->nbytes = nbytes; |
| 327 | |
| 328 | memset(&ata, 0, sizeof(ata)); |
| 329 | ata.ac_signature0 = cf->ATAMajorCommand; |
| 330 | ata.ac_signature1 = cf->ATAMinorCommand; |
| 331 | ata.ac_transfer_blocksize = 1; |
| 332 | ata.ac_sector_count = nblks; |
| 333 | ata.ac_sector_number = sect; |
| 334 | ata.ac_cylinder_high = cyl >> 8; |
| 335 | ata.ac_cylinder_low = cyl; |
| 336 | ata.ac_device_head = head; |
| 337 | ata.ac_register_select = AC_SelectSectorCount | AC_SelectSectorNumber | |
| 338 | AC_SelectCylinderLow | AC_SelectCylinderHigh | AC_SelectDeviceHead | |
| 339 | AC_SelectCommand; |
| 340 | |
| 341 | dir = DIR_NONE; |
| 342 | if (ata_bio->bcount != 0) { |
| 343 | if (ata_bio->flags & ATA_READ) |
| 344 | dir = DIR_IN; |
| 345 | else |
| 346 | dir = DIR_OUT; |
| 347 | } |
| 348 | |
| 349 | if (ata_bio->flags & ATA_READ) { |
| 350 | ata.ac_command = WDCC_READ; |
| 351 | } else { |
| 352 | ata.ac_command = WDCC_WRITE; |
| 353 | } |
| 354 | DPRINTF(("%s: bno=%" PRId64 " LBA=%d cyl=%d head=%d sect=%d " |
| 355 | "count=%d multi=%d\n" , |
| 356 | __func__, ata_bio->blkno, |
| 357 | (ata_bio->flags & ATA_LBA) != 0, cyl, head, sect, |
| 358 | ata.ac_sector_count, ata_bio->multi)); |
| 359 | DPRINTF((" data=%p bcount=%ld, drive=%d\n" , ata_bio->databuf, |
| 360 | ata_bio->bcount, drv->drive)); |
| 361 | sc->sc_methods->wire_xfer(sc, drv->drive, &ata, sizeof(ata), |
| 362 | ata_bio->databuf + scbus->sc_skip, nbytes, |
| 363 | dir, ATA_DELAY, 0, uisdata_bio_cb, ata_bio); |
| 364 | |
| 365 | while (ata_bio->flags & ATA_POLL) { |
| 366 | DPRINTF(("%s: tsleep %p\n" , __func__, ata_bio)); |
| 367 | if (tsleep(ata_bio, PZERO, "uisdatabl" , 0)) { |
| 368 | ata_bio->error = TIMEOUT; |
| 369 | ata_bio->flags |= ATA_ITSDONE; |
| 370 | return ATACMD_COMPLETE; |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | return ata_bio->flags & ATA_ITSDONE ? ATACMD_COMPLETE : ATACMD_QUEUED; |
| 375 | } |
| 376 | |
| 377 | void |
| 378 | uisdata_reset_drive(struct ata_drive_datas *drv, int flags, uint32_t *sigp) |
| 379 | { |
| 380 | DPRINTFN(-1,("%s\n" , __func__)); |
| 381 | KASSERT(sigp == NULL); |
| 382 | /* XXX what? */ |
| 383 | } |
| 384 | |
| 385 | void |
| 386 | uisdata_reset_channel(struct ata_channel *chp, int flags) |
| 387 | { |
| 388 | DPRINTFN(-1,("%s\n" , __func__)); |
| 389 | /* XXX what? */ |
| 390 | } |
| 391 | |
| 392 | void |
| 393 | uisdata_exec_cb(struct umass_softc *sc, void *priv, |
| 394 | int residue, int status) |
| 395 | { |
| 396 | struct ata_command *cmd = priv; |
| 397 | |
| 398 | DPRINTF(("%s: status=%d\n" , __func__, status)); |
| 399 | if (status != STATUS_CMD_OK) |
| 400 | cmd->flags |= AT_DF; /* XXX */ |
| 401 | cmd->flags |= AT_DONE; |
| 402 | if (cmd->flags & (AT_READ | AT_WRITE)) |
| 403 | cmd->flags |= AT_XFDONE; |
| 404 | if (cmd->flags & (AT_POLL | AT_WAIT)) { |
| 405 | DPRINTF(("%s: wakeup %p\n" , __func__, cmd)); |
| 406 | wakeup(cmd); |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | int |
| 411 | uisdata_exec_command(struct ata_drive_datas *drv, struct ata_command *cmd) |
| 412 | { |
| 413 | struct umass_softc *sc = drv->chnl_softc; |
| 414 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
| 415 | struct isd200_config *cf = &scbus->sc_isd_config; |
| 416 | int dir; |
| 417 | struct ata_cmd ata; |
| 418 | |
| 419 | DPRINTF(("%s\n" , __func__)); |
| 420 | DPRINTF((" r_command=0x%02x timeout=%d flags=0x%x bcount=%d\n" , |
| 421 | cmd->r_command, cmd->timeout, cmd->flags, cmd->bcount)); |
| 422 | |
| 423 | dir = DIR_NONE; |
| 424 | if (cmd->bcount != 0) { |
| 425 | if (cmd->flags & AT_READ) |
| 426 | dir = DIR_IN; |
| 427 | else |
| 428 | dir = DIR_OUT; |
| 429 | } |
| 430 | |
| 431 | if (cmd->bcount > UMASS_MAX_TRANSFER_SIZE) { |
| 432 | printf("uisdata_exec_command: large datalen %d\n" , cmd->bcount); |
| 433 | cmd->flags |= AT_ERROR; |
| 434 | goto done; |
| 435 | } |
| 436 | |
| 437 | memset(&ata, 0, sizeof(ata)); |
| 438 | ata.ac_signature0 = cf->ATAMajorCommand; |
| 439 | ata.ac_signature1 = cf->ATAMinorCommand; |
| 440 | ata.ac_transfer_blocksize = 1; |
| 441 | |
| 442 | switch (cmd->r_command) { |
| 443 | case WDCC_IDENTIFY: |
| 444 | ata.ac_register_select |= AC_SelectCommand; |
| 445 | ata.ac_command = WDCC_IDENTIFY; |
| 446 | break; |
| 447 | default: |
| 448 | printf("uisdata_exec_command: bad command 0x%02x\n" , |
| 449 | cmd->r_command); |
| 450 | cmd->flags |= AT_ERROR; |
| 451 | goto done; |
| 452 | } |
| 453 | |
| 454 | DPRINTF(("%s: execute ATA command 0x%02x, drive=%d\n" , __func__, |
| 455 | ata.ac_command, drv->drive)); |
| 456 | sc->sc_methods->wire_xfer(sc, drv->drive, &ata, |
| 457 | sizeof(ata), cmd->data, cmd->bcount, dir, |
| 458 | cmd->timeout, 0, uisdata_exec_cb, cmd); |
| 459 | if (cmd->flags & (AT_POLL | AT_WAIT)) { |
| 460 | #if 0 |
| 461 | if (cmd->flags & AT_POLL) |
| 462 | printf("%s: AT_POLL not supported\n" , __func__); |
| 463 | #endif |
| 464 | DPRINTF(("%s: tsleep %p\n" , __func__, cmd)); |
| 465 | if (tsleep(cmd, PZERO, "uisdataex" , 0)) { |
| 466 | cmd->flags |= AT_ERROR; |
| 467 | goto done; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | done: |
| 472 | return ATACMD_COMPLETE; |
| 473 | } |
| 474 | |
| 475 | int |
| 476 | uisdata_addref(struct ata_drive_datas *drv) |
| 477 | { |
| 478 | DPRINTF(("%s\n" , __func__)); |
| 479 | /* Nothing to do */ |
| 480 | return 0; |
| 481 | } |
| 482 | |
| 483 | void |
| 484 | uisdata_delref(struct ata_drive_datas *drv) |
| 485 | { |
| 486 | DPRINTF(("%s\n" , __func__)); |
| 487 | /* Nothing to do */ |
| 488 | } |
| 489 | |
| 490 | void |
| 491 | uisdata_kill_pending(struct ata_drive_datas *drv) |
| 492 | { |
| 493 | struct umass_softc *sc = drv->chnl_softc; |
| 494 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
| 495 | struct ata_bio *ata_bio = scbus->sc_ata_bio; |
| 496 | |
| 497 | DPRINTFN(-1,("%s\n" , __func__)); |
| 498 | |
| 499 | if (ata_bio == NULL) |
| 500 | return; |
| 501 | scbus->sc_ata_bio = NULL; |
| 502 | ata_bio->flags |= ATA_ITSDONE; |
| 503 | ata_bio->error = ERR_NODEV; |
| 504 | ata_bio->r_error = WDCE_ABRT; |
| 505 | (*scbus->sc_drv_data.drv_done)(scbus->sc_drv_data.drv_softc); |
| 506 | } |
| 507 | |
| 508 | int |
| 509 | uisdata_get_params(struct ata_drive_datas *drvp, uint8_t flags, |
| 510 | struct ataparams *prms) |
| 511 | { |
| 512 | char tb[DEV_BSIZE]; |
| 513 | struct ata_command ata_c; |
| 514 | |
| 515 | #if BYTE_ORDER == LITTLE_ENDIAN |
| 516 | int i; |
| 517 | uint16_t *p; |
| 518 | #endif |
| 519 | |
| 520 | DPRINTF(("%s\n" , __func__)); |
| 521 | |
| 522 | memset(tb, 0, DEV_BSIZE); |
| 523 | memset(prms, 0, sizeof(struct ataparams)); |
| 524 | memset(&ata_c, 0, sizeof(struct ata_command)); |
| 525 | |
| 526 | ata_c.r_command = WDCC_IDENTIFY; |
| 527 | ata_c.timeout = 1000; /* 1s */ |
| 528 | ata_c.flags = AT_READ | flags; |
| 529 | ata_c.data = tb; |
| 530 | ata_c.bcount = DEV_BSIZE; |
| 531 | if (uisdata_exec_command(drvp, &ata_c) != ATACMD_COMPLETE) { |
| 532 | DPRINTF(("uisdata_get_parms: wdc_exec_command failed\n" )); |
| 533 | return CMD_AGAIN; |
| 534 | } |
| 535 | if (ata_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { |
| 536 | DPRINTF(("uisdata_get_parms: ata_c.flags=0x%x\n" , |
| 537 | ata_c.flags)); |
| 538 | return CMD_ERR; |
| 539 | } else { |
| 540 | /* Read in parameter block. */ |
| 541 | memcpy(prms, tb, sizeof(struct ataparams)); |
| 542 | #if BYTE_ORDER == LITTLE_ENDIAN |
| 543 | /* XXX copied from ata.c */ |
| 544 | /* |
| 545 | * Shuffle string byte order. |
| 546 | * ATAPI Mitsumi and NEC drives don't need this. |
| 547 | */ |
| 548 | if (prms->atap_config != WDC_CFG_CFA_MAGIC && |
| 549 | (prms->atap_config & WDC_CFG_ATAPI) && |
| 550 | ((prms->atap_model[0] == 'N' && |
| 551 | prms->atap_model[1] == 'E') || |
| 552 | (prms->atap_model[0] == 'F' && |
| 553 | prms->atap_model[1] == 'X'))) |
| 554 | return 0; |
| 555 | for (i = 0; i < sizeof(prms->atap_model); i += 2) { |
| 556 | p = (u_short *)(prms->atap_model + i); |
| 557 | *p = ntohs(*p); |
| 558 | } |
| 559 | for (i = 0; i < sizeof(prms->atap_serial); i += 2) { |
| 560 | p = (u_short *)(prms->atap_serial + i); |
| 561 | *p = ntohs(*p); |
| 562 | } |
| 563 | for (i = 0; i < sizeof(prms->atap_revision); i += 2) { |
| 564 | p = (u_short *)(prms->atap_revision + i); |
| 565 | *p = ntohs(*p); |
| 566 | } |
| 567 | #endif |
| 568 | return CMD_OK; |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | |
| 573 | /* XXX join with wdc.c routine? */ |
| 574 | int |
| 575 | uwdprint(void *aux, const char *pnp) |
| 576 | { |
| 577 | //struct ata_device *adev = aux; |
| 578 | if (pnp) |
| 579 | aprint_normal("wd at %s" , pnp); |
| 580 | #if 0 |
| 581 | aprint_normal(" channel %d drive %d" , adev->adev_channel, |
| 582 | adev->adev_drv_data->drive); |
| 583 | #endif |
| 584 | return UNCONF; |
| 585 | } |
| 586 | |
| 587 | |
| 588 | #if 0 |
| 589 | |
| 590 | int umass_wd_attach(struct umass_softc *); |
| 591 | |
| 592 | #if NWD > 0 |
| 593 | case UMASS_CPROTO_ISD_ATA: |
| 594 | return umass_wd_attach(sc); |
| 595 | #endif |
| 596 | |
| 597 | #endif |
| 598 | |