Lines Matching +full:d +full:- +full:cache +full:- +full:block +full:- +full:size
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
35 * Group. This Simplified Specification is provided on a non-confidential
38 * Association, SD Group, SD-3C LLC or other third parties.
44 * is provided "AS-IS" without any representations or warranties of any
45 * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
47 * right of the SD Group, SD-3C LLC, the SD Card Association or any third
50 * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
51 * herein shall be construed as an obligation by the SD Group, the SD-3C LLC
53 * information, know-how or other confidential information to any third party.
120 u_int max_data; /* Maximum data size [blocks] */
121 u_int erase_sector; /* Device native erase sector size [blocks] */
122 uint8_t high_cap; /* High Capacity device (block addressed) */
134 off_t enh_size; /* ... and size [bytes] */
155 SYSCTL_INT(_hw_mmcsd, OID_AUTO, cache, CTLFLAG_RDTUN, &mmcsd_cache, 0,
156 "Device R/W cache enabled if present");
189 static uintmax_t mmcsd_pretty_size(off_t size, char *unit);
197 #define MMCSD_DISK_LOCK(_part) mtx_lock(&(_part)->disk_mtx)
198 #define MMCSD_DISK_UNLOCK(_part) mtx_unlock(&(_part)->disk_mtx)
200 mtx_init(&(_part)->disk_mtx, (_part)->name, "mmcsd disk", MTX_DEF)
201 #define MMCSD_DISK_LOCK_DESTROY(_part) mtx_destroy(&(_part)->disk_mtx);
203 mtx_assert(&(_part)->disk_mtx, MA_OWNED);
205 mtx_assert(&(_part)->disk_mtx, MA_NOTOWNED);
207 #define MMCSD_IOCTL_LOCK(_part) mtx_lock(&(_part)->ioctl_mtx)
208 #define MMCSD_IOCTL_UNLOCK(_part) mtx_unlock(&(_part)->ioctl_mtx)
210 mtx_init(&(_part)->ioctl_mtx, (_part)->name, "mmcsd IOCTL", MTX_DEF)
211 #define MMCSD_IOCTL_LOCK_DESTROY(_part) mtx_destroy(&(_part)->ioctl_mtx);
213 mtx_assert(&(_part)->ioctl_mtx, MA_OWNED);
215 mtx_assert(&(_part)->ioctl_mtx, MA_NOTOWNED);
232 off_t erase_size, sector_size, size, wp_size;
241 sc->dev = dev;
242 sc->mmcbus = mmcbus = device_get_parent(dev);
243 sc->mode = mmc_get_card_type(dev);
245 * Note that in principle with an SDHCI-like re-tuning implementation,
246 * the maximum data size can change at runtime due to a device removal/
248 * re-tuning, iff there are multiple devices on a given bus. Until now
253 sc->max_data = mmc_get_max_data(dev);
254 sc->high_cap = mmc_get_high_cap(dev);
255 sc->rca = mmc_get_rca(dev);
256 sc->cmd6_time = mmc_get_cmd6_timeout(dev);
262 err = mmc_send_ext_csd(mmcbus, dev, sc->ext_csd);
270 ext_csd = sc->ext_csd;
278 sc->flags |= MMCSD_INAND_CMD38;
290 sc->flags |= MMCSD_USE_TRIM;
291 sc->erase_sector = 1;
293 sc->erase_sector = mmc_get_erase_sector(dev);
304 * advantage of the device R/W cache if present and useage is not
308 size = le32dec(&ext_csd[EXT_CSD_CACHE_SIZE]);
310 device_printf(dev, "cache size %juKB\n", size);
311 if (size > 0) {
313 err = mmc_switch(mmcbus, dev, sc->rca,
315 EXT_CSD_CACHE_CTRL_CACHE_EN, sc->cmd6_time, true);
318 device_printf(dev, "failed to enable cache\n");
320 sc->flags |= MMCSD_FLUSH_CACHE;
325 * Ignore user-creatable enhanced user data area and general purpose
337 * the disk for the corresponding user data area as re-tasting is
341 size = ext_csd[EXT_CSD_ENH_SIZE_MULT] +
344 if (rev >= 4 && comp == TRUE && size > 0 &&
351 size *= erase_size * wp_size;
352 if (size != mmc_get_media_size(dev) * sector_size) {
353 sc->enh_size = size;
354 sc->enh_base =
356 (sc->high_cap == 0 ? MMC_SECTOR_SIZE : 1);
374 if (sc->enh_size != 0) {
375 bytes = mmcsd_pretty_size(size, unit);
378 MMCSD_LABEL_ENH, bytes, unit, (uintmax_t)sc->enh_base,
386 sc->part_time = max(ext_csd[EXT_CSD_PART_SWITCH_TO] * 10 * 1000,
390 size = ext_csd[EXT_CSD_BOOT_SIZE_MULT] * MMC_BOOT_RPMB_BLOCK_SIZE;
391 if (size > 0 && (mmcbr_get_caps(mmcbus) & MMC_CAP_BOOT_NOACC) == 0) {
393 MMCSD_FMT_BOOT, 0, size,
397 MMCSD_FMT_BOOT, 1, size,
403 size = ext_csd[EXT_CSD_RPMB_MULT] * MMC_BOOT_RPMB_BLOCK_SIZE;
404 if (rev >= 5 && size > 0)
406 MMCSD_FMT_RPMB, 0, size, ro);
420 size = ext_csd[EXT_CSD_GP_SIZE_MULT + i * 3] +
423 if (size == 0)
426 MMCSD_FMT_GP, i, size * erase_size * wp_size, ro);
433 mmcsd_pretty_size(off_t size, char *unit)
448 * many cards are a few percent short, even of the power of 10 size.
450 bytes = size;
453 bytes = (bytes + 1000 / 2 - 1) / 1000;
486 struct disk *d;
494 dev = sc->dev;
495 mmcbus = sc->mmcbus;
496 part = sc->part[type] = malloc(sizeof(*part), M_DEVBUF,
498 part->sc = sc;
499 part->cnt = cnt;
500 part->type = type;
501 part->ro = ro;
502 snprintf(part->name, sizeof(part->name), name, device_get_unit(dev));
508 * NB: If ever attaching RPMB partitions to disk(9), the re-tuning
510 * because then re-tuning requests may be issued by the IOCTL half
511 * of this driver while re-tuning is already paused by the disk(9)
522 if (make_dev_s(&args, &sc->rpmb_dev, "%s", part->name) != 0) {
530 d = part->disk = disk_alloc();
531 d->d_close = mmcsd_close;
532 d->d_strategy = mmcsd_strategy;
533 d->d_ioctl = mmcsd_ioctl_disk;
534 d->d_dump = mmcsd_dump;
535 d->d_getattr = mmcsd_getattr;
536 d->d_name = part->name;
537 d->d_drv1 = part;
538 d->d_sectorsize = mmc_get_sector_size(dev);
539 d->d_maxsize = sc->max_data * d->d_sectorsize;
540 d->d_mediasize = media_size;
541 d->d_stripesize = sc->erase_sector * d->d_sectorsize;
542 d->d_unit = cnt;
543 d->d_flags = DISKFLAG_CANDELETE;
544 if ((sc->flags & MMCSD_FLUSH_CACHE) != 0)
545 d->d_flags |= DISKFLAG_CANFLUSHCACHE;
546 d->d_delmaxsize = mmc_get_erase_sector(dev) * d->d_sectorsize;
547 strlcpy(d->d_ident, mmc_get_card_sn_string(dev),
548 sizeof(d->d_ident));
549 strlcpy(d->d_descr, mmc_get_card_id_string(dev),
550 sizeof(d->d_descr));
551 d->d_rotation_rate = DISK_RR_NON_ROTATING;
553 disk_create(d, DISK_VERSION);
554 bioq_init(&part->bio_queue);
556 part->running = 1;
557 kproc_create(&mmcsd_task, part, &part->p, 0, 0,
558 "%s%d: mmc/sd card", part->name, cnt);
564 printf("%s%d: %ju%sB <%s>%s at %s %d.%01dMHz/%dbit/%d-block\n",
565 part->name, cnt, bytes, unit, mmc_get_card_id_string(dev),
566 ro ? " (read-only)" : "", device_get_nameunit(mmcbus),
568 mmcsd_bus_bit_width(dev), sc->max_data);
570 printf("%s: %ju%sB partition %d%s at %s\n", part->name, bytes,
571 unit, type, ro ? " (read-only)" : "",
579 ext_csd = sc->ext_csd;
580 gp = type - EXT_CSD_PART_CONFIG_ACC_GP0;
597 ext = "non-persistent";
606 printf("%s%d: %ju%sB partition %d%s%s at %s\n",
607 part->name, cnt, bytes, unit, type, enh ?
608 " enhanced" : "", ro ? " (read-only)" : "",
611 printf("%s%d: %ju%sB partition %d extended 0x%x "
612 "(%s)%s at %s\n", part->name, cnt, bytes, unit,
613 type, extattr, ext, ro ? " (read-only)" : "",
631 if (sc->enh_size == 0)
634 part = sc->part[EXT_CSD_PART_CONFIG_ACC_DEFAULT];
635 snprintf(name, sizeof(name), "%s%d", part->disk->d_name,
636 part->disk->d_unit);
641 slices[0].base = sc->enh_base;
642 slices[0].size = sc->enh_size;
655 part = sc->part[i];
657 if (part->disk != NULL) {
659 part->suspend = 0;
660 if (part->running > 0) {
662 part->running = 0;
665 while (part->running != -1)
666 msleep(part, &part->disk_mtx, 0,
672 while (part->ioctl > 0)
673 msleep(part, &part->ioctl_mtx, 0,
675 part->ioctl = -1;
680 if (sc->rpmb_dev != NULL)
681 destroy_dev(sc->rpmb_dev);
684 part = sc->part[i];
686 if (part->disk != NULL) {
688 bioq_flush(&part->bio_queue, NULL, ENXIO);
690 disk_destroy(part->disk);
699 device_printf(dev, "failed to flush cache\n");
709 device_printf(dev, "failed to flush cache\n");
721 part = sc->part[i];
723 if (part->disk != NULL) {
725 part->suspend = 1;
726 if (part->running > 0) {
728 part->running = 0;
731 while (part->running != -1)
732 msleep(part, &part->disk_mtx, 0,
738 while (part->ioctl > 0)
739 msleep(part, &part->ioctl_mtx, 0,
741 part->ioctl = -1;
746 device_printf(dev, "failed to flush cache\n");
758 part = sc->part[i];
760 if (part->disk != NULL) {
762 part->suspend = 0;
763 if (part->running <= 0) {
764 part->running = 1;
767 &part->p, 0, 0, "%s%d: mmc/sd card",
768 part->name, part->cnt);
773 part->ioctl = 0;
785 if ((dp->d_flags & DISKFLAG_OPEN) != 0) {
786 sc = ((struct mmcsd_part *)dp->d_drv1)->sc;
788 device_printf(sc->dev, "failed to flush cache\n");
798 part = bp->bio_disk->d_drv1;
800 if (part->running > 0 || part->suspend > 0) {
801 bioq_disksort(&part->bio_queue, bp);
815 return (mmcsd_ioctl(dev->si_drv1, cmd, data, fflag, td));
823 return (mmcsd_ioctl(disk->d_drv1, cmd, data, fflag, td));
833 u_long cnt, size;
850 if (mimc->num_of_cmds == 0)
852 if (mimc->num_of_cmds > MMC_IOC_MAX_CMDS)
854 cnt = mimc->num_of_cmds;
855 size = sizeof(*mic) * cnt;
856 mic = malloc(size, M_TEMP, M_WAITOK);
857 err = copyin((const void *)mimc->cmds, mic, size);
886 if ((fflag & FWRITE) == 0 && mic->write_flag != 0)
889 if (part->ro == TRUE && mic->write_flag != 0)
900 while (part->ioctl != 0) {
901 if (part->ioctl < 0) {
905 msleep(part, &part->ioctl_mtx, 0, "mmcsd IOCTL", 0);
907 part->ioctl = 1;
912 len = mic->blksz * mic->blocks;
919 err = copyin((void *)(uintptr_t)mic->data_ptr, dp, len);
925 cmd.opcode = mic->opcode;
926 cmd.arg = mic->arg;
927 cmd.flags = mic->flags;
931 data.flags = mic->write_flag != 0 ? MMC_DATA_WRITE :
935 sc = part->sc;
936 rca = sc->rca;
937 if (mic->is_acmd == 0) {
938 /* Enforce/patch/restrict RCA-based commands */
966 EXT_CSD_PART_CONFIG_ACC_MASK) != part->type) {
971 dev = sc->dev;
972 mmcbus = sc->mmcbus;
974 err = mmcsd_switch_part(mmcbus, dev, rca, part->type);
977 if (part->type == EXT_CSD_PART_CONFIG_ACC_RPMB) {
978 err = mmcsd_set_blockcount(sc, mic->blocks,
979 mic->write_flag & (1 << 31));
983 if (mic->write_flag != 0)
984 sc->flags |= MMCSD_DIRTY;
985 if (mic->is_acmd != 0)
989 if (part->type == EXT_CSD_PART_CONFIG_ACC_RPMB) {
1003 } while (retries-- > 0);
1011 err = mmc_send_ext_csd(mmcbus, dev, sc->ext_csd);
1016 if (part->type == EXT_CSD_PART_CONFIG_ACC_RPMB) {
1047 memcpy(mic->response, cmd.resp, 4 * sizeof(uint32_t));
1048 if (mic->write_flag == 0 && len != 0) {
1049 err = copyout(dp, (void *)(uintptr_t)mic->data_ptr, len);
1061 part->ioctl = 0;
1075 if (strcmp(bp->bio_attribute, "MMC::device") == 0) {
1076 if (bp->bio_length != sizeof(dev))
1078 part = bp->bio_disk->d_drv1;
1079 dev = part->sc->dev;
1080 bcopy(&dev, bp->bio_data, sizeof(dev));
1081 bp->bio_completed = bp->bio_length;
1084 return (-1);
1102 MMCBUS_WAIT_FOR_REQUEST(sc->mmcbus, sc->dev, &req);
1115 if (sc->mode == mode_sd)
1121 * RPMB partitions. So we pause re-tuning along with triggering
1122 * it up-front to decrease the likelihood of re-tuning becoming
1125 * after an access in order to allow for re-tuning to take place
1129 MMCBUS_RETUNE_PAUSE(sc->mmcbus, sc->dev, true);
1131 if (sc->part_curr == part)
1134 value = (sc->ext_csd[EXT_CSD_PART_CONFIG] &
1138 EXT_CSD_PART_CONFIG, value, sc->part_time, true);
1141 MMCBUS_RETUNE_UNPAUSE(sc->mmcbus, sc->dev);
1145 sc->ext_csd[EXT_CSD_PART_CONFIG] = value;
1146 if (sc->part_curr == EXT_CSD_PART_CONFIG_ACC_RPMB)
1147 MMCBUS_RETUNE_UNPAUSE(sc->mmcbus, sc->dev);
1148 sc->part_curr = part;
1164 daddr_t block, end;
1174 sc = part->sc;
1175 dev = sc->dev;
1176 mmcbus = sc->mmcbus;
1178 block = bp->bio_pblkno;
1179 sz = part->disk->d_sectorsize;
1180 end = bp->bio_pblkno + (bp->bio_bcount / sz);
1181 while (block < end) {
1182 vaddr = bp->bio_data + (block - bp->bio_pblkno) * sz;
1183 numblocks = min(end - block, sc->max_data);
1191 if (bp->bio_cmd == BIO_READ) {
1197 sc->flags |= MMCSD_DIRTY;
1203 cmd.arg = block;
1204 if (sc->high_cap == 0)
1209 if (bp->bio_cmd == BIO_READ)
1223 if (req.cmd->error != MMC_ERR_NONE) {
1224 if (ppsratecheck(&sc->log_time, &sc->log_count,
1226 device_printf(dev, "Error indicated: %d %s\n",
1227 req.cmd->error,
1228 mmcsd_errmsg(req.cmd->error));
1231 block += numblocks;
1233 return (block);
1239 daddr_t block, end, start, stop;
1248 sc = part->sc;
1249 dev = sc->dev;
1250 mmcbus = sc->mmcbus;
1252 block = bp->bio_pblkno;
1253 sz = part->disk->d_sectorsize;
1254 end = bp->bio_pblkno + (bp->bio_bcount / sz);
1255 use_trim = sc->flags & MMCSD_USE_TRIM;
1257 start = block;
1261 if (block > part->eblock && block <= part->eend)
1262 block = part->eblock;
1263 if (end >= part->eblock && end < part->eend)
1264 end = part->eend;
1266 erase_sector = sc->erase_sector;
1267 start = block + erase_sector - 1; /* Round up. */
1268 start -= start % erase_sector;
1270 stop -= end % erase_sector;
1276 part->eblock = block;
1277 part->eend = end;
1282 if ((sc->flags & MMCSD_INAND_CMD38) != 0) {
1283 err = mmc_switch(mmcbus, dev, sc->rca, EXT_CSD_CMD_SET_NORMAL,
1286 sc->cmd6_time, true);
1291 return (block);
1296 * Pause re-tuning so it won't interfere with the order of erase
1298 * re-tuning shouldn't actually become necessary during erase.
1306 if (sc->mode == mode_sd)
1311 if (sc->high_cap == 0)
1315 if (req.cmd->error != MMC_ERR_NONE) {
1317 mmcsd_errmsg(req.cmd->error));
1318 block = bp->bio_pblkno;
1325 if (sc->mode == mode_sd)
1330 if (sc->high_cap == 0)
1332 cmd.arg--;
1335 if (req.cmd->error != MMC_ERR_NONE) {
1337 mmcsd_errmsg(req.cmd->error));
1338 block = bp->bio_pblkno;
1349 if (req.cmd->error != MMC_ERR_NONE) {
1351 mmcsd_errmsg(req.cmd->error));
1352 block = bp->bio_pblkno;
1357 if (bp->bio_pblkno >= part->eblock || block == start) {
1358 part->eblock = stop; /* Predict next forward. */
1359 part->eend = end;
1361 part->eblock = block; /* Predict next backward. */
1362 part->eend = start;
1365 block = end;
1368 return (block);
1375 daddr_t block, end;
1383 part = disk->d_drv1;
1384 sc = part->sc;
1394 dev = sc->dev;
1395 mmcbus = sc->mmcbus;
1399 bp.bio_pblkno = offset / disk->d_sectorsize;
1403 end = bp.bio_pblkno + bp.bio_bcount / disk->d_sectorsize;
1405 err = mmcsd_switch_part(mmcbus, dev, sc->rca, part->type);
1407 if (ppsratecheck(&sc->log_time, &sc->log_count, LOG_PPS))
1412 block = mmcsd_rw(part, &bp);
1414 return ((end < block) ? EIO : 0);
1420 daddr_t block, end;
1428 sc = part->sc;
1429 dev = sc->dev;
1430 mmcbus = sc->mmcbus;
1436 if (part->running == 0)
1438 bp = bioq_takefirst(&part->bio_queue);
1440 msleep(part, &part->disk_mtx, PRIBIO,
1444 if (__predict_false(bp->bio_cmd == BIO_FLUSH)) {
1446 bp->bio_error = EIO;
1447 bp->bio_flags |= BIO_ERROR;
1452 if (bp->bio_cmd != BIO_READ && part->ro) {
1453 bp->bio_error = EROFS;
1454 bp->bio_resid = bp->bio_bcount;
1455 bp->bio_flags |= BIO_ERROR;
1460 sz = part->disk->d_sectorsize;
1461 block = bp->bio_pblkno;
1462 end = bp->bio_pblkno + (bp->bio_bcount / sz);
1463 err = mmcsd_switch_part(mmcbus, dev, sc->rca, part->type);
1465 if (ppsratecheck(&sc->log_time, &sc->log_count,
1470 if (bp->bio_cmd == BIO_READ || bp->bio_cmd == BIO_WRITE) {
1471 /* Access to the remaining erase block obsoletes it. */
1472 if (block < part->eend && end > part->eblock)
1473 part->eblock = part->eend = 0;
1474 block = mmcsd_rw(part, bp);
1475 } else if (bp->bio_cmd == BIO_DELETE)
1476 block = mmcsd_delete(part, bp);
1481 if (block < end) {
1482 bp->bio_error = (bio_error == 0) ? EIO : bio_error;
1483 bp->bio_resid = (end - block) * sz;
1484 bp->bio_flags |= BIO_ERROR;
1486 bp->bio_resid = 0;
1491 part->running = -1;
1515 if ((sc->flags & MMCSD_FLUSH_CACHE) == 0)
1518 dev = sc->dev;
1519 mmcbus = sc->mmcbus;
1521 if ((sc->flags & MMCSD_DIRTY) == 0) {
1525 err = mmc_switch(mmcbus, dev, sc->rca, EXT_CSD_CMD_SET_NORMAL,
1528 sc->flags &= ~MMCSD_DIRTY;