mmcsd.c revision 322120
1163516Simp/*- 2163516Simp * Copyright (c) 2006 Bernd Walter. All rights reserved. 3163516Simp * Copyright (c) 2006 M. Warner Losh. All rights reserved. 4318198Smarius * Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org> 5163516Simp * 6163516Simp * Redistribution and use in source and binary forms, with or without 7163516Simp * modification, are permitted provided that the following conditions 8163516Simp * are met: 9163516Simp * 1. Redistributions of source code must retain the above copyright 10163516Simp * notice, this list of conditions and the following disclaimer. 11163516Simp * 2. Redistributions in binary form must reproduce the above copyright 12163516Simp * notice, this list of conditions and the following disclaimer in the 13163516Simp * documentation and/or other materials provided with the distribution. 14163516Simp * 15163516Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16163516Simp * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17163516Simp * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18163516Simp * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19163516Simp * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20163516Simp * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21163516Simp * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22163516Simp * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23163516Simp * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24163516Simp * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25170002Simp * 26170002Simp * Portions of this software may have been developed with reference to 27170002Simp * the SD Simplified Specification. The following disclaimer may apply: 28170002Simp * 29170002Simp * The following conditions apply to the release of the simplified 30170002Simp * specification ("Simplified Specification") by the SD Card Association and 31170002Simp * the SD Group. The Simplified Specification is a subset of the complete SD 32170002Simp * Specification which is owned by the SD Card Association and the SD 33170002Simp * Group. This Simplified Specification is provided on a non-confidential 34170002Simp * basis subject to the disclaimers below. Any implementation of the 35170002Simp * Simplified Specification may require a license from the SD Card 36170002Simp * Association, SD Group, SD-3C LLC or other third parties. 37170002Simp * 38170002Simp * Disclaimers: 39170002Simp * 40170002Simp * The information contained in the Simplified Specification is presented only 41170002Simp * as a standard specification for SD Cards and SD Host/Ancillary products and 42170002Simp * is provided "AS-IS" without any representations or warranties of any 43170002Simp * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD 44170002Simp * Card Association for any damages, any infringements of patents or other 45170002Simp * right of the SD Group, SD-3C LLC, the SD Card Association or any third 46170002Simp * parties, which may result from its use. No license is granted by 47170002Simp * implication, estoppel or otherwise under any patent or other rights of the 48170002Simp * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing 49170002Simp * herein shall be construed as an obligation by the SD Group, the SD-3C LLC 50170002Simp * or the SD Card Association to disclose or distribute any technical 51170002Simp * information, know-how or other confidential information to any third party. 52163516Simp */ 53163516Simp 54163516Simp#include <sys/cdefs.h> 55163516Simp__FBSDID("$FreeBSD: stable/10/sys/dev/mmc/mmcsd.c 322120 2017-08-06 16:07:34Z marius $"); 56163516Simp 57163516Simp#include <sys/param.h> 58163516Simp#include <sys/systm.h> 59163516Simp#include <sys/bio.h> 60163516Simp#include <sys/bus.h> 61163516Simp#include <sys/conf.h> 62318198Smarius#include <sys/fcntl.h> 63318198Smarius#include <sys/ioccom.h> 64163516Simp#include <sys/kernel.h> 65163516Simp#include <sys/kthread.h> 66163516Simp#include <sys/lock.h> 67163516Simp#include <sys/malloc.h> 68163516Simp#include <sys/module.h> 69163516Simp#include <sys/mutex.h> 70318198Smarius#include <sys/slicer.h> 71278687Sian#include <sys/time.h> 72318198Smarius 73318198Smarius#include <geom/geom.h> 74163516Simp#include <geom/geom_disk.h> 75163516Simp 76318198Smarius#include <dev/mmc/bridge.h> 77318198Smarius#include <dev/mmc/mmc_ioctl.h> 78318198Smarius#include <dev/mmc/mmc_subr.h> 79234524Smarius#include <dev/mmc/mmcbrvar.h> 80234524Smarius#include <dev/mmc/mmcreg.h> 81163516Simp#include <dev/mmc/mmcvar.h> 82163516Simp 83163516Simp#include "mmcbus_if.h" 84163516Simp 85234524Smarius#if __FreeBSD_version < 800002 86234524Smarius#define kproc_create kthread_create 87234524Smarius#define kproc_exit kthread_exit 88234524Smarius#endif 89234524Smarius 90318198Smarius#define MMCSD_CMD_RETRIES 5 91318198Smarius 92318198Smarius#define MMCSD_FMT_BOOT "mmcsd%dboot" 93318198Smarius#define MMCSD_FMT_GP "mmcsd%dgp" 94318198Smarius#define MMCSD_FMT_RPMB "mmcsd%drpmb" 95318198Smarius#define MMCSD_LABEL_ENH "enh" 96318198Smarius 97318198Smarius#define MMCSD_PART_NAMELEN (16 + 1) 98318198Smarius 99318198Smariusstruct mmcsd_softc; 100318198Smarius 101318198Smariusstruct mmcsd_part { 102322120Smarius struct mtx disk_mtx; 103322120Smarius struct mtx ioctl_mtx; 104318198Smarius struct mmcsd_softc *sc; 105163516Simp struct disk *disk; 106163516Simp struct proc *p; 107163516Simp struct bio_queue_head bio_queue; 108184034Smav daddr_t eblock, eend; /* Range remaining after the last erase. */ 109318198Smarius u_int cnt; 110318198Smarius u_int type; 111169567Simp int running; 112185721Smav int suspend; 113322120Smarius int ioctl; 114318198Smarius bool ro; 115318198Smarius char name[MMCSD_PART_NAMELEN]; 116318198Smarius}; 117318198Smarius 118318198Smariusstruct mmcsd_softc { 119318198Smarius device_t dev; 120322120Smarius device_t mmcbus; 121318198Smarius struct mmcsd_part *part[MMC_PART_MAX]; 122318198Smarius enum mmc_card_mode mode; 123322120Smarius u_int max_data; /* Maximum data size [blocks] */ 124322120Smarius u_int erase_sector; /* Device native erase sector size [blocks] */ 125322120Smarius uint8_t high_cap; /* High Capacity device (block addressed) */ 126318198Smarius uint8_t part_curr; /* Partition currently switched to */ 127318198Smarius uint8_t ext_csd[MMC_EXTCSD_SIZE]; 128318198Smarius uint16_t rca; 129318198Smarius uint32_t part_time; /* Partition switch timeout [us] */ 130318198Smarius off_t enh_base; /* Enhanced user data area slice base ... */ 131318198Smarius off_t enh_size; /* ... and size [bytes] */ 132278687Sian int log_count; 133278687Sian struct timeval log_time; 134318198Smarius struct cdev *rpmb_dev; 135163516Simp}; 136163516Simp 137239607Simpstatic const char *errmsg[] = 138239607Simp{ 139239607Simp "None", 140239607Simp "Timeout", 141239607Simp "Bad CRC", 142239607Simp "Fifo", 143239607Simp "Failed", 144239607Simp "Invalid", 145239607Simp "NO MEMORY" 146239607Simp}; 147239607Simp 148278687Sian#define LOG_PPS 5 /* Log no more than 5 errors per second. */ 149278687Sian 150163516Simp/* bus entry points */ 151163516Simpstatic int mmcsd_attach(device_t dev); 152163516Simpstatic int mmcsd_detach(device_t dev); 153236491Smariusstatic int mmcsd_probe(device_t dev); 154163516Simp 155163516Simp/* disk routines */ 156163516Simpstatic int mmcsd_close(struct disk *dp); 157188725Smavstatic int mmcsd_dump(void *arg, void *virtual, vm_offset_t physical, 158318198Smarius off_t offset, size_t length); 159318198Smariusstatic int mmcsd_getattr(struct bio *); 160318198Smariusstatic int mmcsd_ioctl_disk(struct disk *disk, u_long cmd, void *data, 161318198Smarius int fflag, struct thread *td); 162236491Smariusstatic int mmcsd_open(struct disk *dp); 163236491Smariusstatic void mmcsd_strategy(struct bio *bp); 164163516Simpstatic void mmcsd_task(void *arg); 165163516Simp 166318198Smarius/* RMPB cdev interface */ 167318198Smariusstatic int mmcsd_ioctl_rpmb(struct cdev *dev, u_long cmd, caddr_t data, 168318198Smarius int fflag, struct thread *td); 169318198Smarius 170318198Smariusstatic void mmcsd_add_part(struct mmcsd_softc *sc, u_int type, 171318198Smarius const char *name, u_int cnt, off_t media_size, off_t erase_size, bool ro); 172183774Simpstatic int mmcsd_bus_bit_width(device_t dev); 173318198Smariusstatic daddr_t mmcsd_delete(struct mmcsd_part *part, struct bio *bp); 174318198Smariusstatic int mmcsd_ioctl(struct mmcsd_part *part, u_long cmd, void *data, 175318198Smarius int fflag); 176318198Smariusstatic int mmcsd_ioctl_cmd(struct mmcsd_part *part, struct mmc_ioc_cmd *mic, 177318198Smarius int fflag); 178318198Smariusstatic uintmax_t mmcsd_pretty_size(off_t size, char *unit); 179318198Smariusstatic daddr_t mmcsd_rw(struct mmcsd_part *part, struct bio *bp); 180318198Smariusstatic int mmcsd_set_blockcount(struct mmcsd_softc *sc, u_int count, bool rel); 181318198Smariusstatic int mmcsd_slicer(device_t dev, const char *provider, 182318198Smarius struct flash_slice *slices, int *nslices); 183318198Smariusstatic int mmcsd_switch_part(device_t bus, device_t dev, uint16_t rca, 184318198Smarius u_int part); 185183774Simp 186322120Smarius#define MMCSD_DISK_LOCK(_part) mtx_lock(&(_part)->disk_mtx) 187322120Smarius#define MMCSD_DISK_UNLOCK(_part) mtx_unlock(&(_part)->disk_mtx) 188322120Smarius#define MMCSD_DISK_LOCK_INIT(_part) \ 189322120Smarius mtx_init(&(_part)->disk_mtx, (_part)->name, "mmcsd disk", MTX_DEF) 190322120Smarius#define MMCSD_DISK_LOCK_DESTROY(_part) mtx_destroy(&(_part)->disk_mtx); 191322120Smarius#define MMCSD_DISK_ASSERT_LOCKED(_part) \ 192322120Smarius mtx_assert(&(_part)->disk_mtx, MA_OWNED); 193322120Smarius#define MMCSD_DISK_ASSERT_UNLOCKED(_part) \ 194322120Smarius mtx_assert(&(_part)->disk_mtx, MA_NOTOWNED); 195163516Simp 196322120Smarius#define MMCSD_IOCTL_LOCK(_part) mtx_lock(&(_part)->ioctl_mtx) 197322120Smarius#define MMCSD_IOCTL_UNLOCK(_part) mtx_unlock(&(_part)->ioctl_mtx) 198322120Smarius#define MMCSD_IOCTL_LOCK_INIT(_part) \ 199322120Smarius mtx_init(&(_part)->ioctl_mtx, (_part)->name, "mmcsd IOCTL", MTX_DEF) 200322120Smarius#define MMCSD_IOCTL_LOCK_DESTROY(_part) mtx_destroy(&(_part)->ioctl_mtx); 201322120Smarius#define MMCSD_IOCTL_ASSERT_LOCKED(_part) \ 202322120Smarius mtx_assert(&(_part)->ioctl_mtx, MA_OWNED); 203322120Smarius#define MMCSD_IOCLT_ASSERT_UNLOCKED(_part) \ 204322120Smarius mtx_assert(&(_part)->ioctl_mtx, MA_NOTOWNED); 205322120Smarius 206163516Simpstatic int 207163516Simpmmcsd_probe(device_t dev) 208163516Simp{ 209163516Simp 210183704Smav device_quiet(dev); 211183480Simp device_set_desc(dev, "MMC/SD Memory Card"); 212163516Simp return (0); 213163516Simp} 214163516Simp 215163516Simpstatic int 216163516Simpmmcsd_attach(device_t dev) 217163516Simp{ 218322120Smarius device_t mmcbus; 219163516Simp struct mmcsd_softc *sc; 220318198Smarius const uint8_t *ext_csd; 221318198Smarius off_t erase_size, sector_size, size, wp_size; 222318198Smarius uintmax_t bytes; 223318198Smarius int err, i; 224318198Smarius uint8_t rev; 225318198Smarius bool comp, ro; 226318198Smarius char unit[2]; 227163516Simp 228163516Simp sc = device_get_softc(dev); 229163516Simp sc->dev = dev; 230322120Smarius sc->mmcbus = mmcbus = device_get_parent(dev); 231322120Smarius sc->mode = mmcbr_get_mode(mmcbus); 232322120Smarius /* 233322120Smarius * Note that in principle with an SDHCI-like re-tuning implementation, 234322120Smarius * the maximum data size can change at runtime due to a device removal/ 235322120Smarius * insertion that results in switches to/from a transfer mode involving 236322120Smarius * re-tuning, iff there are multiple devices on a given bus. Until now 237322120Smarius * mmc(4) lacks support for rescanning already attached buses, however, 238322120Smarius * and sdhci(4) to date has no support for shared buses in the first 239322120Smarius * place either. 240322120Smarius */ 241322120Smarius sc->max_data = mmc_get_max_data(dev); 242322120Smarius sc->erase_sector = mmc_get_erase_sector(dev); 243322120Smarius sc->high_cap = mmc_get_high_cap(dev); 244318198Smarius sc->rca = mmc_get_rca(dev); 245163516Simp 246318198Smarius /* Only MMC >= 4.x devices support EXT_CSD. */ 247318198Smarius if (mmc_get_spec_vers(dev) >= 4) { 248322120Smarius MMCBUS_ACQUIRE_BUS(mmcbus, dev); 249322120Smarius err = mmc_send_ext_csd(mmcbus, dev, sc->ext_csd); 250322120Smarius MMCBUS_RELEASE_BUS(mmcbus, dev); 251318198Smarius if (err != MMC_ERR_NONE) 252318198Smarius bzero(sc->ext_csd, sizeof(sc->ext_csd)); 253318198Smarius } 254318198Smarius ext_csd = sc->ext_csd; 255269795Sian 256183774Simp /* 257318198Smarius * Enhanced user data area and general purpose partitions are only 258318198Smarius * supported in revision 1.4 (EXT_CSD_REV == 4) and later, the RPMB 259318198Smarius * partition in revision 1.5 (MMC v4.41, EXT_CSD_REV == 5) and later. 260183774Simp */ 261318198Smarius rev = ext_csd[EXT_CSD_REV]; 262318198Smarius 263318198Smarius /* 264318198Smarius * Ignore user-creatable enhanced user data area and general purpose 265318198Smarius * partitions partitions as long as partitioning hasn't been finished. 266318198Smarius */ 267318198Smarius comp = (ext_csd[EXT_CSD_PART_SET] & EXT_CSD_PART_SET_COMPLETED) != 0; 268318198Smarius 269318198Smarius /* 270318198Smarius * Add enhanced user data area slice, unless it spans the entirety of 271318198Smarius * the user data area. The enhanced area is of a multiple of high 272318198Smarius * capacity write protect groups ((ERASE_GRP_SIZE + HC_WP_GRP_SIZE) * 273318198Smarius * 512 KB) and its offset given in either sectors or bytes, depending 274318198Smarius * on whether it's a high capacity device or not. 275318198Smarius * NB: The slicer and its slices need to be registered before adding 276318198Smarius * the disk for the corresponding user data area as re-tasting is 277318198Smarius * racy. 278318198Smarius */ 279318198Smarius sector_size = mmc_get_sector_size(dev); 280318198Smarius size = ext_csd[EXT_CSD_ENH_SIZE_MULT] + 281318198Smarius (ext_csd[EXT_CSD_ENH_SIZE_MULT + 1] << 8) + 282318198Smarius (ext_csd[EXT_CSD_ENH_SIZE_MULT + 2] << 16); 283318198Smarius if (rev >= 4 && comp == TRUE && size > 0 && 284318198Smarius (ext_csd[EXT_CSD_PART_SUPPORT] & 285318198Smarius EXT_CSD_PART_SUPPORT_ENH_ATTR_EN) != 0 && 286318198Smarius (ext_csd[EXT_CSD_PART_ATTR] & (EXT_CSD_PART_ATTR_ENH_USR)) != 0) { 287318198Smarius erase_size = ext_csd[EXT_CSD_ERASE_GRP_SIZE] * 1024 * 288318198Smarius MMC_SECTOR_SIZE; 289318198Smarius wp_size = ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; 290318198Smarius size *= erase_size * wp_size; 291318198Smarius if (size != mmc_get_media_size(dev) * sector_size) { 292318198Smarius sc->enh_size = size; 293318198Smarius sc->enh_base = (ext_csd[EXT_CSD_ENH_START_ADDR] + 294318198Smarius (ext_csd[EXT_CSD_ENH_START_ADDR + 1] << 8) + 295318198Smarius (ext_csd[EXT_CSD_ENH_START_ADDR + 2] << 16) + 296318198Smarius (ext_csd[EXT_CSD_ENH_START_ADDR + 3] << 24)) * 297322120Smarius (sc->high_cap != 0 ? MMC_SECTOR_SIZE : 1); 298318198Smarius } else if (bootverbose) 299318198Smarius device_printf(dev, 300318198Smarius "enhanced user data area spans entire device\n"); 301183774Simp } 302318198Smarius 303234524Smarius /* 304318198Smarius * Add default partition. This may be the only one or the user 305318198Smarius * data area in case partitions are supported. 306234524Smarius */ 307318198Smarius ro = mmc_get_read_only(dev); 308318198Smarius mmcsd_add_part(sc, EXT_CSD_PART_CONFIG_ACC_DEFAULT, "mmcsd", 309318198Smarius device_get_unit(dev), mmc_get_media_size(dev) * sector_size, 310322120Smarius sc->erase_sector * sector_size, ro); 311169567Simp 312318198Smarius if (mmc_get_spec_vers(dev) < 3) 313318198Smarius return (0); 314163516Simp 315318198Smarius /* Belatedly announce enhanced user data slice. */ 316318198Smarius if (sc->enh_size != 0) { 317318198Smarius bytes = mmcsd_pretty_size(size, unit); 318318198Smarius printf(FLASH_SLICES_FMT ": %ju%sB enhanced user data area " 319318198Smarius "slice offset 0x%jx at %s\n", device_get_nameunit(dev), 320318198Smarius MMCSD_LABEL_ENH, bytes, unit, (uintmax_t)sc->enh_base, 321318198Smarius device_get_nameunit(dev)); 322318198Smarius } 323318198Smarius 324318198Smarius /* 325318198Smarius * Determine partition switch timeout (provided in units of 10 ms) 326318198Smarius * and ensure it's at least 300 ms as some eMMC chips lie. 327318198Smarius */ 328318198Smarius sc->part_time = max(ext_csd[EXT_CSD_PART_SWITCH_TO] * 10 * 1000, 329318198Smarius 300 * 1000); 330318198Smarius 331318198Smarius /* Add boot partitions, which are of a fixed multiple of 128 KB. */ 332318198Smarius size = ext_csd[EXT_CSD_BOOT_SIZE_MULT] * MMC_BOOT_RPMB_BLOCK_SIZE; 333322120Smarius if (size > 0 && (mmcbr_get_caps(mmcbus) & MMC_CAP_BOOT_NOACC) == 0) { 334318198Smarius mmcsd_add_part(sc, EXT_CSD_PART_CONFIG_ACC_BOOT0, 335318198Smarius MMCSD_FMT_BOOT, 0, size, MMC_BOOT_RPMB_BLOCK_SIZE, 336318198Smarius ro | ((ext_csd[EXT_CSD_BOOT_WP_STATUS] & 337318198Smarius EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK) != 0)); 338318198Smarius mmcsd_add_part(sc, EXT_CSD_PART_CONFIG_ACC_BOOT1, 339318198Smarius MMCSD_FMT_BOOT, 1, size, MMC_BOOT_RPMB_BLOCK_SIZE, 340318198Smarius ro | ((ext_csd[EXT_CSD_BOOT_WP_STATUS] & 341318198Smarius EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK) != 0)); 342318198Smarius } 343318198Smarius 344318198Smarius /* Add RPMB partition, which also is of a fixed multiple of 128 KB. */ 345318198Smarius size = ext_csd[EXT_CSD_RPMB_MULT] * MMC_BOOT_RPMB_BLOCK_SIZE; 346318198Smarius if (rev >= 5 && size > 0) 347318198Smarius mmcsd_add_part(sc, EXT_CSD_PART_CONFIG_ACC_RPMB, 348318198Smarius MMCSD_FMT_RPMB, 0, size, MMC_BOOT_RPMB_BLOCK_SIZE, ro); 349318198Smarius 350318198Smarius if (rev <= 3 || comp == FALSE) 351318198Smarius return (0); 352318198Smarius 353318198Smarius /* 354318198Smarius * Add general purpose partitions, which are of a multiple of high 355318198Smarius * capacity write protect groups, too. 356318198Smarius */ 357318198Smarius if ((ext_csd[EXT_CSD_PART_SUPPORT] & EXT_CSD_PART_SUPPORT_EN) != 0) { 358318198Smarius erase_size = ext_csd[EXT_CSD_ERASE_GRP_SIZE] * 1024 * 359318198Smarius MMC_SECTOR_SIZE; 360318198Smarius wp_size = ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; 361318198Smarius for (i = 0; i < MMC_PART_GP_MAX; i++) { 362318198Smarius size = ext_csd[EXT_CSD_GP_SIZE_MULT + i * 3] + 363318198Smarius (ext_csd[EXT_CSD_GP_SIZE_MULT + i * 3 + 1] << 8) + 364318198Smarius (ext_csd[EXT_CSD_GP_SIZE_MULT + i * 3 + 2] << 16); 365318198Smarius if (size == 0) 366318198Smarius continue; 367318198Smarius mmcsd_add_part(sc, EXT_CSD_PART_CONFIG_ACC_GP0 + i, 368318198Smarius MMCSD_FMT_GP, i, size * erase_size * wp_size, 369318198Smarius erase_size, ro); 370318198Smarius } 371318198Smarius } 372163516Simp return (0); 373163516Simp} 374163516Simp 375318198Smariusstatic uintmax_t 376318198Smariusmmcsd_pretty_size(off_t size, char *unit) 377318198Smarius{ 378318198Smarius uintmax_t bytes; 379318198Smarius int i; 380318198Smarius 381318198Smarius /* 382318198Smarius * Display in most natural units. There's no card < 1MB. However, 383318198Smarius * RPMB partitions occasionally are smaller than that, though. The 384318198Smarius * SD standard goes to 2 GiB due to its reliance on FAT, but the data 385318198Smarius * format supports up to 4 GiB and some card makers push it up to this 386318198Smarius * limit. The SDHC standard only goes to 32 GiB due to FAT32, but the 387318198Smarius * data format supports up to 2 TiB however. 2048 GB isn't too ugly, 388318198Smarius * so we note it in passing here and don't add the code to print TB). 389318198Smarius * Since these cards are sold in terms of MB and GB not MiB and GiB, 390318198Smarius * report them like that. We also round to the nearest unit, since 391318198Smarius * many cards are a few percent short, even of the power of 10 size. 392318198Smarius */ 393318198Smarius bytes = size; 394318198Smarius unit[0] = unit[1] = '\0'; 395318198Smarius for (i = 0; i <= 2 && bytes >= 1000; i++) { 396318198Smarius bytes = (bytes + 1000 / 2 - 1) / 1000; 397318198Smarius switch (i) { 398318198Smarius case 0: 399318198Smarius unit[0] = 'k'; 400318198Smarius break; 401318198Smarius case 1: 402318198Smarius unit[0] = 'M'; 403318198Smarius break; 404318198Smarius case 2: 405318198Smarius unit[0] = 'G'; 406318198Smarius break; 407318198Smarius default: 408318198Smarius break; 409318198Smarius } 410318198Smarius } 411318198Smarius return (bytes); 412318198Smarius} 413318198Smarius 414318198Smariusstatic struct cdevsw mmcsd_rpmb_cdevsw = { 415318198Smarius .d_version = D_VERSION, 416318198Smarius .d_name = "mmcsdrpmb", 417318198Smarius .d_ioctl = mmcsd_ioctl_rpmb 418318198Smarius}; 419318198Smarius 420318198Smariusstatic void 421318198Smariusmmcsd_add_part(struct mmcsd_softc *sc, u_int type, const char *name, u_int cnt, 422318198Smarius off_t media_size, off_t erase_size, bool ro) 423318198Smarius{ 424318198Smarius struct make_dev_args args; 425322120Smarius device_t dev, mmcbus; 426318198Smarius const char *ext; 427318198Smarius const uint8_t *ext_csd; 428318198Smarius struct mmcsd_part *part; 429318198Smarius struct disk *d; 430318198Smarius uintmax_t bytes; 431318198Smarius u_int gp; 432318198Smarius uint32_t speed; 433318198Smarius uint8_t extattr; 434318198Smarius bool enh; 435318198Smarius char unit[2]; 436318198Smarius 437318198Smarius dev = sc->dev; 438322120Smarius mmcbus = sc->mmcbus; 439318198Smarius part = sc->part[type] = malloc(sizeof(*part), M_DEVBUF, 440318198Smarius M_WAITOK | M_ZERO); 441318198Smarius part->sc = sc; 442318198Smarius part->cnt = cnt; 443318198Smarius part->type = type; 444318198Smarius part->ro = ro; 445318198Smarius snprintf(part->name, sizeof(part->name), name, device_get_unit(dev)); 446318198Smarius 447322120Smarius MMCSD_IOCTL_LOCK_INIT(part); 448322120Smarius 449322120Smarius /* 450322120Smarius * For the RPMB partition, allow IOCTL access only. 451322120Smarius * NB: If ever attaching RPMB partitions to disk(9), the re-tuning 452322120Smarius * implementation and especially its pausing need to be revisited, 453322120Smarius * because then re-tuning requests may be issued by the IOCTL half 454322120Smarius * of this driver while re-tuning is already paused by the disk(9) 455322120Smarius * one and vice versa. 456322120Smarius */ 457318198Smarius if (type == EXT_CSD_PART_CONFIG_ACC_RPMB) { 458318198Smarius make_dev_args_init(&args); 459318198Smarius args.mda_flags = MAKEDEV_CHECKNAME | MAKEDEV_WAITOK; 460318198Smarius args.mda_devsw = &mmcsd_rpmb_cdevsw; 461318198Smarius args.mda_uid = UID_ROOT; 462318198Smarius args.mda_gid = GID_OPERATOR; 463318198Smarius args.mda_mode = 0640; 464318198Smarius args.mda_si_drv1 = part; 465318198Smarius if (make_dev_s(&args, &sc->rpmb_dev, "%s", part->name) != 0) { 466318198Smarius device_printf(dev, "Failed to make RPMB device\n"); 467318198Smarius free(part, M_DEVBUF); 468318198Smarius return; 469318198Smarius } 470318198Smarius } else { 471322120Smarius MMCSD_DISK_LOCK_INIT(part); 472318198Smarius 473318198Smarius d = part->disk = disk_alloc(); 474318198Smarius d->d_open = mmcsd_open; 475318198Smarius d->d_close = mmcsd_close; 476318198Smarius d->d_strategy = mmcsd_strategy; 477318198Smarius d->d_ioctl = mmcsd_ioctl_disk; 478318198Smarius d->d_dump = mmcsd_dump; 479318198Smarius d->d_getattr = mmcsd_getattr; 480318198Smarius d->d_name = part->name; 481318198Smarius d->d_drv1 = part; 482318198Smarius d->d_sectorsize = mmc_get_sector_size(dev); 483322120Smarius d->d_maxsize = sc->max_data * d->d_sectorsize; 484318198Smarius d->d_mediasize = media_size; 485318198Smarius d->d_stripesize = erase_size; 486318198Smarius d->d_unit = cnt; 487318198Smarius d->d_flags = DISKFLAG_CANDELETE; 488318198Smarius d->d_delmaxsize = erase_size; 489318198Smarius strlcpy(d->d_ident, mmc_get_card_sn_string(dev), 490318198Smarius sizeof(d->d_ident)); 491318198Smarius strlcpy(d->d_descr, mmc_get_card_id_string(dev), 492318198Smarius sizeof(d->d_descr)); 493318198Smarius d->d_rotation_rate = DISK_RR_NON_ROTATING; 494318198Smarius 495318198Smarius disk_create(d, DISK_VERSION); 496318198Smarius bioq_init(&part->bio_queue); 497318198Smarius 498318198Smarius part->running = 1; 499318198Smarius kproc_create(&mmcsd_task, part, &part->p, 0, 0, 500318198Smarius "%s%d: mmc/sd card", part->name, cnt); 501318198Smarius } 502318198Smarius 503318198Smarius bytes = mmcsd_pretty_size(media_size, unit); 504318198Smarius if (type == EXT_CSD_PART_CONFIG_ACC_DEFAULT) { 505322120Smarius speed = mmcbr_get_clock(mmcbus); 506318198Smarius printf("%s%d: %ju%sB <%s>%s at %s %d.%01dMHz/%dbit/%d-block\n", 507318198Smarius part->name, cnt, bytes, unit, mmc_get_card_id_string(dev), 508322120Smarius ro ? " (read-only)" : "", device_get_nameunit(mmcbus), 509318198Smarius speed / 1000000, (speed / 100000) % 10, 510322120Smarius mmcsd_bus_bit_width(dev), sc->max_data); 511318198Smarius } else if (type == EXT_CSD_PART_CONFIG_ACC_RPMB) { 512318198Smarius printf("%s: %ju%sB partion %d%s at %s\n", part->name, bytes, 513318198Smarius unit, type, ro ? " (read-only)" : "", 514318198Smarius device_get_nameunit(dev)); 515318198Smarius } else { 516318198Smarius enh = false; 517318198Smarius ext = NULL; 518318198Smarius extattr = 0; 519318198Smarius if (type >= EXT_CSD_PART_CONFIG_ACC_GP0 && 520318198Smarius type <= EXT_CSD_PART_CONFIG_ACC_GP3) { 521318198Smarius ext_csd = sc->ext_csd; 522318198Smarius gp = type - EXT_CSD_PART_CONFIG_ACC_GP0; 523318198Smarius if ((ext_csd[EXT_CSD_PART_SUPPORT] & 524318198Smarius EXT_CSD_PART_SUPPORT_ENH_ATTR_EN) != 0 && 525318198Smarius (ext_csd[EXT_CSD_PART_ATTR] & 526318198Smarius (EXT_CSD_PART_ATTR_ENH_GP0 << gp)) != 0) 527318198Smarius enh = true; 528318198Smarius else if ((ext_csd[EXT_CSD_PART_SUPPORT] & 529318198Smarius EXT_CSD_PART_SUPPORT_EXT_ATTR_EN) != 0) { 530318198Smarius extattr = (ext_csd[EXT_CSD_EXT_PART_ATTR + 531318198Smarius (gp / 2)] >> (4 * (gp % 2))) & 0xF; 532318198Smarius switch (extattr) { 533318198Smarius case EXT_CSD_EXT_PART_ATTR_DEFAULT: 534318198Smarius break; 535318198Smarius case EXT_CSD_EXT_PART_ATTR_SYSTEMCODE: 536318198Smarius ext = "system code"; 537318198Smarius break; 538318198Smarius case EXT_CSD_EXT_PART_ATTR_NPERSISTENT: 539318198Smarius ext = "non-persistent"; 540318198Smarius break; 541318198Smarius default: 542318198Smarius ext = "reserved"; 543318198Smarius break; 544318198Smarius } 545318198Smarius } 546318198Smarius } 547318198Smarius if (ext == NULL) 548318198Smarius printf("%s%d: %ju%sB partion %d%s%s at %s\n", 549318198Smarius part->name, cnt, bytes, unit, type, enh ? 550318198Smarius " enhanced" : "", ro ? " (read-only)" : "", 551318198Smarius device_get_nameunit(dev)); 552318198Smarius else 553318198Smarius printf("%s%d: %ju%sB partion %d extended 0x%x " 554318198Smarius "(%s)%s at %s\n", part->name, cnt, bytes, unit, 555318198Smarius type, extattr, ext, ro ? " (read-only)" : "", 556318198Smarius device_get_nameunit(dev)); 557318198Smarius } 558318198Smarius} 559318198Smarius 560163516Simpstatic int 561318198Smariusmmcsd_slicer(device_t dev, const char *provider, 562318198Smarius struct flash_slice *slices, int *nslices) 563318198Smarius{ 564318198Smarius char name[MMCSD_PART_NAMELEN]; 565318198Smarius struct mmcsd_softc *sc; 566318198Smarius struct mmcsd_part *part; 567318198Smarius 568318198Smarius *nslices = 0; 569318198Smarius if (slices == NULL) 570318198Smarius return (ENOMEM); 571318198Smarius 572318198Smarius sc = device_get_softc(dev); 573318198Smarius if (sc->enh_size == 0) 574318198Smarius return (ENXIO); 575318198Smarius 576318198Smarius part = sc->part[EXT_CSD_PART_CONFIG_ACC_DEFAULT]; 577318198Smarius snprintf(name, sizeof(name), "%s%d", part->disk->d_name, 578318198Smarius part->disk->d_unit); 579318198Smarius if (strcmp(name, provider) != 0) 580318198Smarius return (ENXIO); 581318198Smarius 582318198Smarius *nslices = 1; 583318198Smarius slices[0].base = sc->enh_base; 584318198Smarius slices[0].size = sc->enh_size; 585318198Smarius slices[0].label = MMCSD_LABEL_ENH; 586318198Smarius return (0); 587318198Smarius} 588318198Smarius 589318198Smariusstatic int 590163516Simpmmcsd_detach(device_t dev) 591163516Simp{ 592169567Simp struct mmcsd_softc *sc = device_get_softc(dev); 593318198Smarius struct mmcsd_part *part; 594318198Smarius int i; 595169567Simp 596318198Smarius for (i = 0; i < MMC_PART_MAX; i++) { 597318198Smarius part = sc->part[i]; 598322120Smarius if (part != NULL) { 599322120Smarius if (part->disk != NULL) { 600322120Smarius MMCSD_DISK_LOCK(part); 601322120Smarius part->suspend = 0; 602322120Smarius if (part->running > 0) { 603322120Smarius /* kill thread */ 604322120Smarius part->running = 0; 605322120Smarius wakeup(part); 606322120Smarius /* wait for thread to finish. */ 607322120Smarius while (part->running != -1) 608322120Smarius msleep(part, &part->disk_mtx, 0, 609322120Smarius "mmcsd disk detach", 0); 610322120Smarius } 611322120Smarius MMCSD_DISK_UNLOCK(part); 612318198Smarius } 613322120Smarius MMCSD_IOCTL_LOCK(part); 614322120Smarius while (part->ioctl > 0) 615322120Smarius msleep(part, &part->ioctl_mtx, 0, 616322120Smarius "mmcsd IOCTL detach", 0); 617322120Smarius part->ioctl = -1; 618322120Smarius MMCSD_IOCTL_UNLOCK(part); 619318198Smarius } 620185721Smav } 621169567Simp 622318198Smarius if (sc->rpmb_dev != NULL) 623318198Smarius destroy_dev(sc->rpmb_dev); 624169567Simp 625318198Smarius for (i = 0; i < MMC_PART_MAX; i++) { 626318198Smarius part = sc->part[i]; 627318198Smarius if (part != NULL) { 628318198Smarius if (part->disk != NULL) { 629318198Smarius /* Flush the request queue. */ 630318198Smarius bioq_flush(&part->bio_queue, NULL, ENXIO); 631318198Smarius /* kill disk */ 632318198Smarius disk_destroy(part->disk); 633169567Simp 634322120Smarius MMCSD_DISK_LOCK_DESTROY(part); 635318198Smarius } 636322120Smarius MMCSD_IOCTL_LOCK_DESTROY(part); 637318198Smarius free(part, M_DEVBUF); 638318198Smarius } 639318198Smarius } 640183467Simp return (0); 641163516Simp} 642163516Simp 643163516Simpstatic int 644185721Smavmmcsd_suspend(device_t dev) 645185721Smav{ 646185721Smav struct mmcsd_softc *sc = device_get_softc(dev); 647318198Smarius struct mmcsd_part *part; 648318198Smarius int i; 649185721Smav 650318198Smarius for (i = 0; i < MMC_PART_MAX; i++) { 651318198Smarius part = sc->part[i]; 652322120Smarius if (part != NULL) { 653322120Smarius if (part->disk != NULL) { 654322120Smarius MMCSD_DISK_LOCK(part); 655322120Smarius part->suspend = 1; 656322120Smarius if (part->running > 0) { 657322120Smarius /* kill thread */ 658322120Smarius part->running = 0; 659322120Smarius wakeup(part); 660322120Smarius /* wait for thread to finish. */ 661322120Smarius while (part->running != -1) 662322120Smarius msleep(part, &part->disk_mtx, 0, 663322120Smarius "mmcsd disk suspension", 0); 664322120Smarius } 665322120Smarius MMCSD_DISK_UNLOCK(part); 666318198Smarius } 667322120Smarius MMCSD_IOCTL_LOCK(part); 668322120Smarius while (part->ioctl > 0) 669322120Smarius msleep(part, &part->ioctl_mtx, 0, 670322120Smarius "mmcsd IOCTL suspension", 0); 671322120Smarius part->ioctl = -1; 672322120Smarius MMCSD_IOCTL_UNLOCK(part); 673318198Smarius } 674185721Smav } 675185721Smav return (0); 676185721Smav} 677185721Smav 678185721Smavstatic int 679185721Smavmmcsd_resume(device_t dev) 680185721Smav{ 681185721Smav struct mmcsd_softc *sc = device_get_softc(dev); 682318198Smarius struct mmcsd_part *part; 683318198Smarius int i; 684185721Smav 685318198Smarius for (i = 0; i < MMC_PART_MAX; i++) { 686318198Smarius part = sc->part[i]; 687322120Smarius if (part != NULL) { 688322120Smarius if (part->disk != NULL) { 689322120Smarius MMCSD_DISK_LOCK(part); 690322120Smarius part->suspend = 0; 691322120Smarius if (part->running <= 0) { 692322120Smarius part->running = 1; 693322120Smarius MMCSD_DISK_UNLOCK(part); 694322120Smarius kproc_create(&mmcsd_task, part, 695322120Smarius &part->p, 0, 0, "%s%d: mmc/sd card", 696322120Smarius part->name, part->cnt); 697322120Smarius } else 698322120Smarius MMCSD_DISK_UNLOCK(part); 699322120Smarius } 700322120Smarius MMCSD_IOCTL_LOCK(part); 701322120Smarius part->ioctl = 0; 702322120Smarius MMCSD_IOCTL_UNLOCK(part); 703318198Smarius } 704318198Smarius } 705185721Smav return (0); 706185721Smav} 707185721Smav 708185721Smavstatic int 709318198Smariusmmcsd_open(struct disk *dp __unused) 710163516Simp{ 711236491Smarius 712183467Simp return (0); 713163516Simp} 714163516Simp 715163516Simpstatic int 716318198Smariusmmcsd_close(struct disk *dp __unused) 717163516Simp{ 718236491Smarius 719183467Simp return (0); 720163516Simp} 721163516Simp 722163516Simpstatic void 723163516Simpmmcsd_strategy(struct bio *bp) 724163516Simp{ 725163516Simp struct mmcsd_softc *sc; 726318198Smarius struct mmcsd_part *part; 727163516Simp 728318198Smarius part = bp->bio_disk->d_drv1; 729318198Smarius sc = part->sc; 730322120Smarius MMCSD_DISK_LOCK(part); 731318198Smarius if (part->running > 0 || part->suspend > 0) { 732318198Smarius bioq_disksort(&part->bio_queue, bp); 733322120Smarius MMCSD_DISK_UNLOCK(part); 734318198Smarius wakeup(part); 735185201Smav } else { 736322120Smarius MMCSD_DISK_UNLOCK(part); 737185201Smav biofinish(bp, NULL, ENXIO); 738185201Smav } 739163516Simp} 740163516Simp 741318198Smariusstatic int 742318198Smariusmmcsd_ioctl_rpmb(struct cdev *dev, u_long cmd, caddr_t data, 743318198Smarius int fflag, struct thread *td __unused) 744318198Smarius{ 745318198Smarius 746318198Smarius return (mmcsd_ioctl(dev->si_drv1, cmd, data, fflag)); 747318198Smarius} 748318198Smarius 749318198Smariusstatic int 750318198Smariusmmcsd_ioctl_disk(struct disk *disk, u_long cmd, void *data, int fflag, 751318198Smarius struct thread *td __unused) 752318198Smarius{ 753318198Smarius 754318198Smarius return (mmcsd_ioctl(disk->d_drv1, cmd, data, fflag)); 755318198Smarius} 756318198Smarius 757318198Smariusstatic int 758318198Smariusmmcsd_ioctl(struct mmcsd_part *part, u_long cmd, void *data, int fflag) 759318198Smarius{ 760318198Smarius struct mmc_ioc_cmd *mic; 761318198Smarius struct mmc_ioc_multi_cmd *mimc; 762318198Smarius int i, err; 763318198Smarius u_long cnt, size; 764318198Smarius 765318198Smarius if ((fflag & FREAD) == 0) 766318198Smarius return (EBADF); 767318198Smarius 768318198Smarius err = 0; 769318198Smarius switch (cmd) { 770318198Smarius case MMC_IOC_CMD: 771318198Smarius mic = data; 772322120Smarius err = mmcsd_ioctl_cmd(part, mic, fflag); 773318198Smarius break; 774322120Smarius case MMC_IOC_MULTI_CMD: 775318198Smarius mimc = data; 776318198Smarius if (mimc->num_of_cmds == 0) 777318198Smarius break; 778318198Smarius if (mimc->num_of_cmds > MMC_IOC_MAX_CMDS) 779318198Smarius return (EINVAL); 780318198Smarius cnt = mimc->num_of_cmds; 781318198Smarius size = sizeof(*mic) * cnt; 782318198Smarius mic = malloc(size, M_TEMP, M_WAITOK); 783318198Smarius err = copyin((const void *)mimc->cmds, mic, size); 784322120Smarius if (err == 0) { 785322120Smarius for (i = 0; i < cnt; i++) { 786322120Smarius err = mmcsd_ioctl_cmd(part, &mic[i], fflag); 787322120Smarius if (err != 0) 788322120Smarius break; 789322120Smarius } 790318198Smarius } 791318198Smarius free(mic, M_TEMP); 792318198Smarius break; 793318198Smarius default: 794318198Smarius return (ENOIOCTL); 795318198Smarius } 796318198Smarius return (err); 797318198Smarius} 798318198Smarius 799318198Smariusstatic int 800318198Smariusmmcsd_ioctl_cmd(struct mmcsd_part *part, struct mmc_ioc_cmd *mic, int fflag) 801318198Smarius{ 802318198Smarius struct mmc_command cmd; 803318198Smarius struct mmc_data data; 804318198Smarius struct mmcsd_softc *sc; 805322120Smarius device_t dev, mmcbus; 806318198Smarius void *dp; 807318198Smarius u_long len; 808318198Smarius int err, retries; 809318198Smarius uint32_t status; 810318198Smarius uint16_t rca; 811318198Smarius 812318198Smarius if ((fflag & FWRITE) == 0 && mic->write_flag != 0) 813318198Smarius return (EBADF); 814318198Smarius 815318198Smarius if (part->ro == TRUE && mic->write_flag != 0) 816318198Smarius return (EROFS); 817318198Smarius 818322120Smarius /* 819322120Smarius * We don't need to explicitly lock against the disk(9) half of this 820322120Smarius * driver as MMCBUS_ACQUIRE_BUS() will serialize us. However, it's 821322120Smarius * necessary to protect against races with detachment and suspension, 822322120Smarius * especially since it's required to switch away from RPMB partitions 823322120Smarius * again after an access (see mmcsd_switch_part()). 824322120Smarius */ 825322120Smarius MMCSD_IOCTL_LOCK(part); 826322120Smarius while (part->ioctl != 0) { 827322120Smarius if (part->ioctl < 0) { 828322120Smarius MMCSD_IOCTL_UNLOCK(part); 829322120Smarius return (ENXIO); 830322120Smarius } 831322120Smarius msleep(part, &part->ioctl_mtx, 0, "mmcsd IOCTL", 0); 832322120Smarius } 833322120Smarius part->ioctl = 1; 834322120Smarius MMCSD_IOCTL_UNLOCK(part); 835322120Smarius 836318198Smarius err = 0; 837318198Smarius dp = NULL; 838318198Smarius len = mic->blksz * mic->blocks; 839322120Smarius if (len > MMC_IOC_MAX_BYTES) { 840322120Smarius err = EOVERFLOW; 841322120Smarius goto out; 842322120Smarius } 843318198Smarius if (len != 0) { 844318198Smarius dp = malloc(len, M_TEMP, M_WAITOK); 845318198Smarius err = copyin((void *)(uintptr_t)mic->data_ptr, dp, len); 846318198Smarius if (err != 0) 847318198Smarius goto out; 848318198Smarius } 849318198Smarius memset(&cmd, 0, sizeof(cmd)); 850318198Smarius memset(&data, 0, sizeof(data)); 851318198Smarius cmd.opcode = mic->opcode; 852318198Smarius cmd.arg = mic->arg; 853318198Smarius cmd.flags = mic->flags; 854318198Smarius if (len != 0) { 855318198Smarius data.len = len; 856318198Smarius data.data = dp; 857318198Smarius data.flags = mic->write_flag != 0 ? MMC_DATA_WRITE : 858318198Smarius MMC_DATA_READ; 859318198Smarius cmd.data = &data; 860318198Smarius } 861318198Smarius sc = part->sc; 862318198Smarius rca = sc->rca; 863318198Smarius if (mic->is_acmd == 0) { 864318198Smarius /* Enforce/patch/restrict RCA-based commands */ 865318198Smarius switch (cmd.opcode) { 866318198Smarius case MMC_SET_RELATIVE_ADDR: 867318198Smarius case MMC_SELECT_CARD: 868318198Smarius err = EPERM; 869318198Smarius goto out; 870318198Smarius case MMC_STOP_TRANSMISSION: 871318198Smarius if ((cmd.arg & 0x1) == 0) 872318198Smarius break; 873318198Smarius /* FALLTHROUGH */ 874318198Smarius case MMC_SLEEP_AWAKE: 875318198Smarius case MMC_SEND_CSD: 876318198Smarius case MMC_SEND_CID: 877318198Smarius case MMC_SEND_STATUS: 878318198Smarius case MMC_GO_INACTIVE_STATE: 879318198Smarius case MMC_FAST_IO: 880318198Smarius case MMC_APP_CMD: 881318198Smarius cmd.arg = (cmd.arg & 0x0000FFFF) | (rca << 16); 882318198Smarius break; 883318198Smarius default: 884318198Smarius break; 885318198Smarius } 886318198Smarius } 887318198Smarius dev = sc->dev; 888322120Smarius mmcbus = sc->mmcbus; 889322120Smarius MMCBUS_ACQUIRE_BUS(mmcbus, dev); 890322120Smarius err = mmcsd_switch_part(mmcbus, dev, rca, part->type); 891318198Smarius if (err != MMC_ERR_NONE) 892318198Smarius goto release; 893318198Smarius if (part->type == EXT_CSD_PART_CONFIG_ACC_RPMB) { 894318198Smarius err = mmcsd_set_blockcount(sc, mic->blocks, 895318198Smarius mic->write_flag & (1 << 31)); 896318198Smarius if (err != MMC_ERR_NONE) 897322120Smarius goto switch_back; 898318198Smarius } 899318198Smarius if (mic->is_acmd != 0) 900322120Smarius (void)mmc_wait_for_app_cmd(mmcbus, dev, rca, &cmd, 0); 901318198Smarius else 902322120Smarius (void)mmc_wait_for_cmd(mmcbus, dev, &cmd, 0); 903318198Smarius if (part->type == EXT_CSD_PART_CONFIG_ACC_RPMB) { 904318198Smarius /* 905318198Smarius * If the request went to the RPMB partition, try to ensure 906318198Smarius * that the command actually has completed ... 907318198Smarius */ 908318198Smarius retries = MMCSD_CMD_RETRIES; 909318198Smarius do { 910322120Smarius err = mmc_send_status(mmcbus, dev, rca, &status); 911318198Smarius if (err != MMC_ERR_NONE) 912318198Smarius break; 913318198Smarius if (R1_STATUS(status) == 0 && 914318198Smarius R1_CURRENT_STATE(status) != R1_STATE_PRG) 915318198Smarius break; 916318198Smarius DELAY(1000); 917318198Smarius } while (retries-- > 0); 918318198Smarius 919322120Smariusswitch_back: 920318198Smarius /* ... and always switch back to the default partition. */ 921322120Smarius err = mmcsd_switch_part(mmcbus, dev, rca, 922318198Smarius EXT_CSD_PART_CONFIG_ACC_DEFAULT); 923318198Smarius if (err != MMC_ERR_NONE) 924318198Smarius goto release; 925318198Smarius } 926318198Smarius /* 927318198Smarius * If EXT_CSD was changed, our copy is outdated now. Specifically, 928318198Smarius * the upper bits of EXT_CSD_PART_CONFIG used in mmcsd_switch_part(), 929318198Smarius * so retrieve EXT_CSD again. 930318198Smarius */ 931318198Smarius if (cmd.opcode == MMC_SWITCH_FUNC) { 932322120Smarius err = mmc_send_ext_csd(mmcbus, dev, sc->ext_csd); 933318198Smarius if (err != MMC_ERR_NONE) 934318198Smarius goto release; 935318198Smarius } 936322120Smarius MMCBUS_RELEASE_BUS(mmcbus, dev); 937318198Smarius if (cmd.error != MMC_ERR_NONE) { 938318198Smarius switch (cmd.error) { 939318198Smarius case MMC_ERR_TIMEOUT: 940318198Smarius err = ETIMEDOUT; 941318198Smarius break; 942318198Smarius case MMC_ERR_BADCRC: 943318198Smarius err = EILSEQ; 944318198Smarius break; 945318198Smarius case MMC_ERR_INVALID: 946318198Smarius err = EINVAL; 947318198Smarius break; 948318198Smarius case MMC_ERR_NO_MEMORY: 949318198Smarius err = ENOMEM; 950318198Smarius break; 951318198Smarius default: 952318198Smarius err = EIO; 953318198Smarius break; 954318198Smarius } 955318198Smarius goto out; 956318198Smarius } 957318198Smarius memcpy(mic->response, cmd.resp, 4 * sizeof(uint32_t)); 958318198Smarius if (mic->write_flag == 0 && len != 0) { 959318198Smarius err = copyout(dp, (void *)(uintptr_t)mic->data_ptr, len); 960318198Smarius if (err != 0) 961318198Smarius goto out; 962318198Smarius } 963318198Smarius goto out; 964318198Smarius 965318198Smariusrelease: 966322120Smarius MMCBUS_RELEASE_BUS(mmcbus, dev); 967318198Smarius err = EIO; 968318198Smarius 969318198Smariusout: 970322120Smarius MMCSD_IOCTL_LOCK(part); 971322120Smarius part->ioctl = 0; 972322120Smarius MMCSD_IOCTL_UNLOCK(part); 973322120Smarius wakeup(part); 974318198Smarius if (dp != NULL) 975318198Smarius free(dp, M_TEMP); 976318198Smarius return (err); 977318198Smarius} 978318198Smarius 979318198Smariusstatic int 980318198Smariusmmcsd_getattr(struct bio *bp) 981318198Smarius{ 982318198Smarius struct mmcsd_part *part; 983318198Smarius device_t dev; 984318198Smarius 985318198Smarius if (strcmp(bp->bio_attribute, "MMC::device") == 0) { 986318198Smarius if (bp->bio_length != sizeof(dev)) 987318198Smarius return (EFAULT); 988318198Smarius part = bp->bio_disk->d_drv1; 989318198Smarius dev = part->sc->dev; 990318198Smarius bcopy(&dev, bp->bio_data, sizeof(dev)); 991318198Smarius bp->bio_completed = bp->bio_length; 992318198Smarius return (0); 993318198Smarius } 994318198Smarius return (-1); 995318198Smarius} 996318198Smarius 997318198Smariusstatic int 998318198Smariusmmcsd_set_blockcount(struct mmcsd_softc *sc, u_int count, bool reliable) 999318198Smarius{ 1000318198Smarius struct mmc_command cmd; 1001318198Smarius struct mmc_request req; 1002318198Smarius 1003318198Smarius memset(&req, 0, sizeof(req)); 1004318198Smarius memset(&cmd, 0, sizeof(cmd)); 1005318198Smarius cmd.mrq = &req; 1006318198Smarius req.cmd = &cmd; 1007318198Smarius cmd.opcode = MMC_SET_BLOCK_COUNT; 1008318198Smarius cmd.arg = count & 0x0000FFFF; 1009318198Smarius if (reliable) 1010318198Smarius cmd.arg |= 1 << 31; 1011318198Smarius cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; 1012322120Smarius MMCBUS_WAIT_FOR_REQUEST(sc->mmcbus, sc->dev, &req); 1013318198Smarius return (cmd.error); 1014318198Smarius} 1015318198Smarius 1016318198Smariusstatic int 1017318198Smariusmmcsd_switch_part(device_t bus, device_t dev, uint16_t rca, u_int part) 1018318198Smarius{ 1019318198Smarius struct mmcsd_softc *sc; 1020318198Smarius int err; 1021318198Smarius uint8_t value; 1022318198Smarius 1023318198Smarius sc = device_get_softc(dev); 1024318198Smarius 1025322120Smarius if (sc->mode == mode_sd) 1026318198Smarius return (MMC_ERR_NONE); 1027318198Smarius 1028322120Smarius /* 1029322120Smarius * According to section "6.2.2 Command restrictions" of the eMMC 1030322120Smarius * specification v5.1, CMD19/CMD21 aren't allowed to be used with 1031322120Smarius * RPMB partitions. So we pause re-tuning along with triggering 1032322120Smarius * it up-front to decrease the likelihood of re-tuning becoming 1033322120Smarius * necessary while accessing an RPMB partition. Consequently, an 1034322120Smarius * RPMB partition should immediately be switched away from again 1035322120Smarius * after an access in order to allow for re-tuning to take place 1036322120Smarius * anew. 1037322120Smarius */ 1038322120Smarius if (part == EXT_CSD_PART_CONFIG_ACC_RPMB) 1039322120Smarius MMCBUS_RETUNE_PAUSE(sc->mmcbus, sc->dev, true); 1040322120Smarius 1041322120Smarius if (sc->part_curr == part) 1042318198Smarius return (MMC_ERR_NONE); 1043318198Smarius 1044318198Smarius value = (sc->ext_csd[EXT_CSD_PART_CONFIG] & 1045318198Smarius ~EXT_CSD_PART_CONFIG_ACC_MASK) | part; 1046318198Smarius /* Jump! */ 1047318198Smarius err = mmc_switch(bus, dev, rca, EXT_CSD_CMD_SET_NORMAL, 1048318198Smarius EXT_CSD_PART_CONFIG, value, sc->part_time, true); 1049322120Smarius if (err != MMC_ERR_NONE) { 1050322120Smarius if (part == EXT_CSD_PART_CONFIG_ACC_RPMB) 1051322120Smarius MMCBUS_RETUNE_UNPAUSE(sc->mmcbus, sc->dev); 1052318198Smarius return (err); 1053322120Smarius } 1054318198Smarius 1055318198Smarius sc->ext_csd[EXT_CSD_PART_CONFIG] = value; 1056322120Smarius if (sc->part_curr == EXT_CSD_PART_CONFIG_ACC_RPMB) 1057322120Smarius MMCBUS_RETUNE_UNPAUSE(sc->mmcbus, sc->dev); 1058318198Smarius sc->part_curr = part; 1059318198Smarius return (MMC_ERR_NONE); 1060318198Smarius} 1061318198Smarius 1062239607Simpstatic const char * 1063239607Simpmmcsd_errmsg(int e) 1064239607Simp{ 1065318198Smarius 1066239607Simp if (e < 0 || e > MMC_ERR_MAX) 1067239607Simp return "Bad error code"; 1068322120Smarius return (errmsg[e]); 1069239607Simp} 1070239607Simp 1071184033Smavstatic daddr_t 1072318198Smariusmmcsd_rw(struct mmcsd_part *part, struct bio *bp) 1073184033Smav{ 1074184033Smav daddr_t block, end; 1075184033Smav struct mmc_command cmd; 1076184033Smav struct mmc_command stop; 1077184033Smav struct mmc_request req; 1078184033Smav struct mmc_data data; 1079318198Smarius struct mmcsd_softc *sc; 1080322120Smarius device_t dev, mmcbus; 1081322120Smarius u_int numblocks, sz; 1082318198Smarius char *vaddr; 1083184033Smav 1084318198Smarius sc = part->sc; 1085318198Smarius dev = sc->dev; 1086322120Smarius mmcbus = sc->mmcbus; 1087318198Smarius 1088184033Smav block = bp->bio_pblkno; 1089318198Smarius sz = part->disk->d_sectorsize; 1090184033Smav end = bp->bio_pblkno + (bp->bio_bcount / sz); 1091184033Smav while (block < end) { 1092318198Smarius vaddr = bp->bio_data + (block - bp->bio_pblkno) * sz; 1093322120Smarius numblocks = min(end - block, sc->max_data); 1094184033Smav memset(&req, 0, sizeof(req)); 1095318198Smarius memset(&cmd, 0, sizeof(cmd)); 1096184033Smav memset(&stop, 0, sizeof(stop)); 1097254432Sian memset(&data, 0, sizeof(data)); 1098248689Sian cmd.mrq = &req; 1099184033Smav req.cmd = &cmd; 1100184033Smav cmd.data = &data; 1101184033Smav if (bp->bio_cmd == BIO_READ) { 1102184033Smav if (numblocks > 1) 1103184033Smav cmd.opcode = MMC_READ_MULTIPLE_BLOCK; 1104184033Smav else 1105184033Smav cmd.opcode = MMC_READ_SINGLE_BLOCK; 1106184033Smav } else { 1107184033Smav if (numblocks > 1) 1108184033Smav cmd.opcode = MMC_WRITE_MULTIPLE_BLOCK; 1109184033Smav else 1110184033Smav cmd.opcode = MMC_WRITE_BLOCK; 1111184033Smav } 1112184033Smav cmd.arg = block; 1113322120Smarius if (sc->high_cap == 0) 1114184033Smav cmd.arg <<= 9; 1115184033Smav cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; 1116184033Smav data.data = vaddr; 1117184033Smav data.mrq = &req; 1118184033Smav if (bp->bio_cmd == BIO_READ) 1119184033Smav data.flags = MMC_DATA_READ; 1120184033Smav else 1121184033Smav data.flags = MMC_DATA_WRITE; 1122184033Smav data.len = numblocks * sz; 1123184033Smav if (numblocks > 1) { 1124184033Smav data.flags |= MMC_DATA_MULTI; 1125184033Smav stop.opcode = MMC_STOP_TRANSMISSION; 1126184033Smav stop.arg = 0; 1127184033Smav stop.flags = MMC_RSP_R1B | MMC_CMD_AC; 1128248689Sian stop.mrq = &req; 1129184033Smav req.stop = &stop; 1130184033Smav } 1131322120Smarius MMCBUS_WAIT_FOR_REQUEST(mmcbus, dev, &req); 1132239607Simp if (req.cmd->error != MMC_ERR_NONE) { 1133318198Smarius if (ppsratecheck(&sc->log_time, &sc->log_count, 1134318198Smarius LOG_PPS)) 1135278687Sian device_printf(dev, "Error indicated: %d %s\n", 1136318198Smarius req.cmd->error, 1137318198Smarius mmcsd_errmsg(req.cmd->error)); 1138184033Smav break; 1139239607Simp } 1140184033Smav block += numblocks; 1141184033Smav } 1142184033Smav return (block); 1143184033Smav} 1144184033Smav 1145184033Smavstatic daddr_t 1146318198Smariusmmcsd_delete(struct mmcsd_part *part, struct bio *bp) 1147184033Smav{ 1148184033Smav daddr_t block, end, start, stop; 1149184033Smav struct mmc_command cmd; 1150184033Smav struct mmc_request req; 1151318198Smarius struct mmcsd_softc *sc; 1152322120Smarius device_t dev, mmcbus; 1153322120Smarius u_int erase_sector, sz; 1154184033Smav 1155318198Smarius sc = part->sc; 1156318198Smarius dev = sc->dev; 1157322120Smarius mmcbus = sc->mmcbus; 1158318198Smarius 1159184033Smav block = bp->bio_pblkno; 1160318198Smarius sz = part->disk->d_sectorsize; 1161184033Smav end = bp->bio_pblkno + (bp->bio_bcount / sz); 1162184034Smav /* Coalesce with part remaining from previous request. */ 1163318198Smarius if (block > part->eblock && block <= part->eend) 1164318198Smarius block = part->eblock; 1165318198Smarius if (end >= part->eblock && end < part->eend) 1166318198Smarius end = part->eend; 1167184033Smav /* Safe round to the erase sector boundaries. */ 1168322120Smarius erase_sector = sc->erase_sector; 1169184033Smav start = block + erase_sector - 1; /* Round up. */ 1170184033Smav start -= start % erase_sector; 1171184033Smav stop = end; /* Round down. */ 1172318198Smarius stop -= end % erase_sector; 1173318198Smarius /* We can't erase an area smaller than a sector, store it for later. */ 1174184034Smav if (start >= stop) { 1175318198Smarius part->eblock = block; 1176318198Smarius part->eend = end; 1177184033Smav return (end); 1178184034Smav } 1179184033Smav 1180322120Smarius /* 1181322120Smarius * Pause re-tuning so it won't interfere with the order of erase 1182322120Smarius * commands. Note that these latter don't use the data lines, so 1183322120Smarius * re-tuning shouldn't actually become necessary during erase. 1184322120Smarius */ 1185322120Smarius MMCBUS_RETUNE_PAUSE(mmcbus, dev, false); 1186184033Smav /* Set erase start position. */ 1187184033Smav memset(&req, 0, sizeof(req)); 1188184033Smav memset(&cmd, 0, sizeof(cmd)); 1189248689Sian cmd.mrq = &req; 1190184033Smav req.cmd = &cmd; 1191184033Smav if (mmc_get_card_type(dev) == mode_sd) 1192184033Smav cmd.opcode = SD_ERASE_WR_BLK_START; 1193184033Smav else 1194184033Smav cmd.opcode = MMC_ERASE_GROUP_START; 1195184033Smav cmd.arg = start; 1196322120Smarius if (sc->high_cap == 0) 1197184033Smav cmd.arg <<= 9; 1198184033Smav cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; 1199322120Smarius MMCBUS_WAIT_FOR_REQUEST(mmcbus, dev, &req); 1200184033Smav if (req.cmd->error != MMC_ERR_NONE) { 1201322120Smarius device_printf(dev, "Setting erase start position failed %d\n", 1202322120Smarius req.cmd->error); 1203322120Smarius block = bp->bio_pblkno; 1204322120Smarius goto unpause; 1205184033Smav } 1206184033Smav /* Set erase stop position. */ 1207184033Smav memset(&req, 0, sizeof(req)); 1208184033Smav memset(&cmd, 0, sizeof(cmd)); 1209184033Smav req.cmd = &cmd; 1210184033Smav if (mmc_get_card_type(dev) == mode_sd) 1211184033Smav cmd.opcode = SD_ERASE_WR_BLK_END; 1212184033Smav else 1213184033Smav cmd.opcode = MMC_ERASE_GROUP_END; 1214184033Smav cmd.arg = stop; 1215322120Smarius if (sc->high_cap == 0) 1216184033Smav cmd.arg <<= 9; 1217184033Smav cmd.arg--; 1218184033Smav cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; 1219322120Smarius MMCBUS_WAIT_FOR_REQUEST(mmcbus, dev, &req); 1220184033Smav if (req.cmd->error != MMC_ERR_NONE) { 1221322120Smarius device_printf(dev, "Setting erase stop position failed %d\n", 1222322120Smarius req.cmd->error); 1223322120Smarius block = bp->bio_pblkno; 1224322120Smarius goto unpause; 1225184033Smav } 1226184033Smav /* Erase range. */ 1227184033Smav memset(&req, 0, sizeof(req)); 1228184033Smav memset(&cmd, 0, sizeof(cmd)); 1229184033Smav req.cmd = &cmd; 1230184033Smav cmd.opcode = MMC_ERASE; 1231184033Smav cmd.arg = 0; 1232184033Smav cmd.flags = MMC_RSP_R1B | MMC_CMD_AC; 1233322120Smarius MMCBUS_WAIT_FOR_REQUEST(mmcbus, dev, &req); 1234184033Smav if (req.cmd->error != MMC_ERR_NONE) { 1235322120Smarius device_printf(dev, "erase err3: %d\n", req.cmd->error); 1236322120Smarius device_printf(dev, "Issuing erase command failed %d\n", 1237322120Smarius req.cmd->error); 1238322120Smarius block = bp->bio_pblkno; 1239322120Smarius goto unpause; 1240184033Smav } 1241184034Smav /* Store one of remaining parts for the next call. */ 1242318198Smarius if (bp->bio_pblkno >= part->eblock || block == start) { 1243318198Smarius part->eblock = stop; /* Predict next forward. */ 1244318198Smarius part->eend = end; 1245184034Smav } else { 1246318198Smarius part->eblock = block; /* Predict next backward. */ 1247318198Smarius part->eend = start; 1248184034Smav } 1249322120Smarius block = end; 1250322120Smariusunpause: 1251322120Smarius MMCBUS_RETUNE_UNPAUSE(mmcbus, dev); 1252322120Smarius return (block); 1253184033Smav} 1254184033Smav 1255188725Smavstatic int 1256318198Smariusmmcsd_dump(void *arg, void *virtual, vm_offset_t physical, off_t offset, 1257318198Smarius size_t length) 1258188725Smav{ 1259188725Smav struct bio bp; 1260188725Smav daddr_t block, end; 1261318198Smarius struct disk *disk; 1262318198Smarius struct mmcsd_softc *sc; 1263318198Smarius struct mmcsd_part *part; 1264322120Smarius device_t dev, mmcbus; 1265318198Smarius int err; 1266188725Smav 1267188725Smav /* length zero is special and really means flush buffers to media */ 1268188725Smav if (!length) 1269188725Smav return (0); 1270188725Smav 1271318198Smarius disk = arg; 1272318198Smarius part = disk->d_drv1; 1273318198Smarius sc = part->sc; 1274318198Smarius dev = sc->dev; 1275322120Smarius mmcbus = sc->mmcbus; 1276318198Smarius 1277188725Smav bzero(&bp, sizeof(struct bio)); 1278188725Smav bp.bio_disk = disk; 1279188725Smav bp.bio_pblkno = offset / disk->d_sectorsize; 1280188725Smav bp.bio_bcount = length; 1281188725Smav bp.bio_data = virtual; 1282188725Smav bp.bio_cmd = BIO_WRITE; 1283318198Smarius end = bp.bio_pblkno + bp.bio_bcount / disk->d_sectorsize; 1284322120Smarius MMCBUS_ACQUIRE_BUS(mmcbus, dev); 1285322120Smarius err = mmcsd_switch_part(mmcbus, dev, sc->rca, part->type); 1286318198Smarius if (err != MMC_ERR_NONE) { 1287318198Smarius if (ppsratecheck(&sc->log_time, &sc->log_count, LOG_PPS)) 1288318198Smarius device_printf(dev, "Partition switch error\n"); 1289322120Smarius MMCBUS_RELEASE_BUS(mmcbus, dev); 1290318198Smarius return (EIO); 1291318198Smarius } 1292318198Smarius block = mmcsd_rw(part, &bp); 1293322120Smarius MMCBUS_RELEASE_BUS(mmcbus, dev); 1294188725Smav return ((end < block) ? EIO : 0); 1295188725Smav} 1296188725Smav 1297163516Simpstatic void 1298163516Simpmmcsd_task(void *arg) 1299163516Simp{ 1300318198Smarius daddr_t block, end; 1301318198Smarius struct mmcsd_part *part; 1302318198Smarius struct mmcsd_softc *sc; 1303163516Simp struct bio *bp; 1304322120Smarius device_t dev, mmcbus; 1305318198Smarius int err, sz; 1306163516Simp 1307318198Smarius part = arg; 1308318198Smarius sc = part->sc; 1309318198Smarius dev = sc->dev; 1310322120Smarius mmcbus = sc->mmcbus; 1311318198Smarius 1312185201Smav while (1) { 1313322120Smarius MMCSD_DISK_LOCK(part); 1314163516Simp do { 1315318198Smarius if (part->running == 0) 1316185201Smav goto out; 1317318198Smarius bp = bioq_takefirst(&part->bio_queue); 1318163516Simp if (bp == NULL) 1319322120Smarius msleep(part, &part->disk_mtx, PRIBIO, 1320322120Smarius "mmcsd disk jobqueue", 0); 1321185201Smav } while (bp == NULL); 1322322120Smarius MMCSD_DISK_UNLOCK(part); 1323318198Smarius if (bp->bio_cmd != BIO_READ && part->ro) { 1324183448Simp bp->bio_error = EROFS; 1325183448Simp bp->bio_resid = bp->bio_bcount; 1326183448Simp bp->bio_flags |= BIO_ERROR; 1327183448Simp biodone(bp); 1328183448Simp continue; 1329183448Simp } 1330322120Smarius MMCBUS_ACQUIRE_BUS(mmcbus, dev); 1331318198Smarius sz = part->disk->d_sectorsize; 1332184033Smav block = bp->bio_pblkno; 1333163516Simp end = bp->bio_pblkno + (bp->bio_bcount / sz); 1334322120Smarius err = mmcsd_switch_part(mmcbus, dev, sc->rca, part->type); 1335318198Smarius if (err != MMC_ERR_NONE) { 1336318198Smarius if (ppsratecheck(&sc->log_time, &sc->log_count, 1337318198Smarius LOG_PPS)) 1338318198Smarius device_printf(dev, "Partition switch error\n"); 1339318198Smarius goto release; 1340318198Smarius } 1341184033Smav if (bp->bio_cmd == BIO_READ || bp->bio_cmd == BIO_WRITE) { 1342184034Smav /* Access to the remaining erase block obsoletes it. */ 1343318198Smarius if (block < part->eend && end > part->eblock) 1344318198Smarius part->eblock = part->eend = 0; 1345318198Smarius block = mmcsd_rw(part, bp); 1346184033Smav } else if (bp->bio_cmd == BIO_DELETE) { 1347318198Smarius block = mmcsd_delete(part, bp); 1348163516Simp } 1349318198Smariusrelease: 1350322120Smarius MMCBUS_RELEASE_BUS(mmcbus, dev); 1351183480Simp if (block < end) { 1352183480Simp bp->bio_error = EIO; 1353183480Simp bp->bio_resid = (end - block) * sz; 1354183480Simp bp->bio_flags |= BIO_ERROR; 1355312400Smarius } else { 1356312400Smarius bp->bio_resid = 0; 1357183480Simp } 1358163516Simp biodone(bp); 1359163516Simp } 1360185201Smavout: 1361169567Simp /* tell parent we're done */ 1362318198Smarius part->running = -1; 1363322120Smarius MMCSD_DISK_UNLOCK(part); 1364318198Smarius wakeup(part); 1365169567Simp 1366172836Sjulian kproc_exit(0); 1367163516Simp} 1368163516Simp 1369183774Simpstatic int 1370183774Simpmmcsd_bus_bit_width(device_t dev) 1371183774Simp{ 1372236491Smarius 1373183774Simp if (mmc_get_bus_width(dev) == bus_width_1) 1374183774Simp return (1); 1375183774Simp if (mmc_get_bus_width(dev) == bus_width_4) 1376183774Simp return (4); 1377183774Simp return (8); 1378183774Simp} 1379183774Simp 1380163516Simpstatic device_method_t mmcsd_methods[] = { 1381163516Simp DEVMETHOD(device_probe, mmcsd_probe), 1382163516Simp DEVMETHOD(device_attach, mmcsd_attach), 1383163516Simp DEVMETHOD(device_detach, mmcsd_detach), 1384185721Smav DEVMETHOD(device_suspend, mmcsd_suspend), 1385185721Smav DEVMETHOD(device_resume, mmcsd_resume), 1386234524Smarius DEVMETHOD_END 1387163516Simp}; 1388163516Simp 1389163516Simpstatic driver_t mmcsd_driver = { 1390163516Simp "mmcsd", 1391163516Simp mmcsd_methods, 1392163516Simp sizeof(struct mmcsd_softc), 1393163516Simp}; 1394163516Simpstatic devclass_t mmcsd_devclass; 1395163516Simp 1396318198Smariusstatic int 1397318198Smariusmmcsd_handler(module_t mod __unused, int what, void *arg __unused) 1398318198Smarius{ 1399318198Smarius 1400318198Smarius switch (what) { 1401318198Smarius case MOD_LOAD: 1402318198Smarius flash_register_slicer(mmcsd_slicer, FLASH_SLICES_TYPE_MMC, 1403318198Smarius TRUE); 1404318198Smarius return (0); 1405318198Smarius case MOD_UNLOAD: 1406318198Smarius flash_register_slicer(NULL, FLASH_SLICES_TYPE_MMC, TRUE); 1407318198Smarius return (0); 1408318198Smarius } 1409318198Smarius return (0); 1410318198Smarius} 1411318198Smarius 1412318198SmariusDRIVER_MODULE(mmcsd, mmc, mmcsd_driver, mmcsd_devclass, mmcsd_handler, NULL); 1413318198SmariusMODULE_DEPEND(mmcsd, g_flashmap, 0, 0, 0); 1414318198SmariusMMC_DEPEND(mmcsd); 1415