X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=disk%2Fpart.c;h=0aff9548c2007152d8c5144f73b4fa49401162ed;hb=e40cf34a29f1b248643731a11fb1c6f0520d016c;hp=7bdc90eff701183934874195356c36e6d5a4ab5f;hpb=612404c28a64a6df300642a1550a65dcc8e01f82;p=u-boot diff --git a/disk/part.c b/disk/part.c index 7bdc90eff7..0aff9548c2 100644 --- a/disk/part.c +++ b/disk/part.c @@ -2,30 +2,16 @@ * (C) Copyright 2001 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include #include +#include #include #include #include +#include #undef PART_DEBUG @@ -35,22 +21,7 @@ #define PRINTF(fmt,args...) #endif -/* Rather than repeat this expression each time, add a define for it */ -#if (defined(CONFIG_CMD_IDE) || \ - defined(CONFIG_CMD_SATA) || \ - defined(CONFIG_CMD_SCSI) || \ - defined(CONFIG_CMD_USB) || \ - defined(CONFIG_MMC) || \ - defined(CONFIG_SYSTEMACE) ) -#define HAVE_BLOCK_DEVICE -#endif - -struct block_drvr { - char *name; - block_dev_desc_t* (*get_dev)(int dev); -}; - -static const struct block_drvr block_drvr[] = { +const struct block_drvr block_drvr[] = { #if defined(CONFIG_CMD_IDE) { .name = "ide", .get_dev = ide_get_dev, }, #endif @@ -64,10 +35,17 @@ static const struct block_drvr block_drvr[] = { { .name = "usb", .get_dev = usb_stor_get_dev, }, #endif #if defined(CONFIG_MMC) - { .name = "mmc", .get_dev = mmc_get_dev, }, + { + .name = "mmc", + .get_dev = mmc_get_dev, + .select_hwpart = mmc_select_hwpart, + }, #endif #if defined(CONFIG_SYSTEMACE) { .name = "ace", .get_dev = systemace_get_dev, }, +#endif +#if defined(CONFIG_SANDBOX) + { .name = "host", .get_dev = host_get_dev, }, #endif { }, }; @@ -75,11 +53,29 @@ static const struct block_drvr block_drvr[] = { DECLARE_GLOBAL_DATA_PTR; #ifdef HAVE_BLOCK_DEVICE -block_dev_desc_t *get_dev(const char *ifname, int dev) +static struct part_driver *part_driver_lookup_type(int part_type) +{ + struct part_driver *drv = + ll_entry_start(struct part_driver, part_driver); + const int n_ents = ll_entry_count(struct part_driver, part_driver); + struct part_driver *entry; + + for (entry = drv; entry != drv + n_ents; entry++) { + if (part_type == entry->part_type) + return entry; + } + + /* Not found */ + return NULL; +} + +static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) { const struct block_drvr *drvr = block_drvr; - block_dev_desc_t* (*reloc_get_dev)(int dev); + struct blk_desc* (*reloc_get_dev)(int dev); + int (*select_hwpart)(int dev_num, int hwpart); char *name; + int ret; if (!ifname) return NULL; @@ -91,18 +87,42 @@ block_dev_desc_t *get_dev(const char *ifname, int dev) while (drvr->name) { name = drvr->name; reloc_get_dev = drvr->get_dev; + select_hwpart = drvr->select_hwpart; #ifdef CONFIG_NEEDS_MANUAL_RELOC name += gd->reloc_off; reloc_get_dev += gd->reloc_off; -#endif - if (strncmp(ifname, name, strlen(name)) == 0) - return reloc_get_dev(dev); + if (select_hwpart) + select_hwpart += gd->reloc_off; +#endif + if (strncmp(ifname, name, strlen(name)) == 0) { + struct blk_desc *dev_desc = reloc_get_dev(dev); + if (!dev_desc) + return NULL; + if (hwpart == 0 && !select_hwpart) + return dev_desc; + if (!select_hwpart) + return NULL; + ret = select_hwpart(dev_desc->devnum, hwpart); + if (ret < 0) + return NULL; + return dev_desc; + } drvr++; } return NULL; } + +struct blk_desc *blk_get_dev(const char *ifname, int dev) +{ + return get_dev_hwpart(ifname, dev, 0); +} #else -block_dev_desc_t *get_dev(const char *ifname, int dev) +struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) +{ + return NULL; +} + +struct blk_desc *blk_get_dev(const char *ifname, int dev) { return NULL; } @@ -125,7 +145,7 @@ typedef lbaint_t lba512_t; * Overflowless variant of (block_count * mul_by / div_by) * when div_by > mul_by */ -static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by) +static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by) { lba512_t bc_quot, bc_rem; @@ -135,7 +155,7 @@ static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t d return bc_quot * mul_by + (bc_rem * mul_by) / div_by; } -void dev_print (block_dev_desc_t *dev_desc) +void dev_print (struct blk_desc *dev_desc) { lba512_t lba512; /* number of blocks if 512bytes block size */ @@ -207,7 +227,8 @@ void dev_print (block_dev_desc_t *dev_desc) lba512 = (lba * (dev_desc->blksz/512)); /* round to 1 digit */ - mb = lba512_muldiv(lba512, 10, 2048); /* 2048 = (1024 * 1024) / 512 MB */ + /* 2048 = (1024 * 1024) / 512 MB */ + mb = lba512_muldiv(lba512, 10, 2048); mb_quot = mb / 10; mb_rem = mb - (10 * mb_quot); @@ -240,55 +261,35 @@ void dev_print (block_dev_desc_t *dev_desc) #ifdef HAVE_BLOCK_DEVICE -void init_part (block_dev_desc_t * dev_desc) +void part_init(struct blk_desc *dev_desc) { -#ifdef CONFIG_ISO_PARTITION - if (test_part_iso(dev_desc) == 0) { - dev_desc->part_type = PART_TYPE_ISO; - return; - } -#endif + struct part_driver *drv = + ll_entry_start(struct part_driver, part_driver); + const int n_ents = ll_entry_count(struct part_driver, part_driver); + struct part_driver *entry; -#ifdef CONFIG_MAC_PARTITION - if (test_part_mac(dev_desc) == 0) { - dev_desc->part_type = PART_TYPE_MAC; - return; - } -#endif + blkcache_invalidate(dev_desc->if_type, dev_desc->devnum); -/* must be placed before DOS partition detection */ -#ifdef CONFIG_EFI_PARTITION - if (test_part_efi(dev_desc) == 0) { - dev_desc->part_type = PART_TYPE_EFI; - return; - } -#endif - -#ifdef CONFIG_DOS_PARTITION - if (test_part_dos(dev_desc) == 0) { - dev_desc->part_type = PART_TYPE_DOS; - return; - } -#endif - -#ifdef CONFIG_AMIGA_PARTITION - if (test_part_amiga(dev_desc) == 0) { - dev_desc->part_type = PART_TYPE_AMIGA; - return; - } -#endif dev_desc->part_type = PART_TYPE_UNKNOWN; + for (entry = drv; entry != drv + n_ents; entry++) { + int ret; + + ret = entry->test(dev_desc); + debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret); + if (!ret) { + dev_desc->part_type = entry->part_type; + break; + } + } } - +static void print_part_header(const char *type, struct blk_desc *dev_desc) +{ #if defined(CONFIG_MAC_PARTITION) || \ defined(CONFIG_DOS_PARTITION) || \ defined(CONFIG_ISO_PARTITION) || \ defined(CONFIG_AMIGA_PARTITION) || \ defined(CONFIG_EFI_PARTITION) - -static void print_part_header (const char *type, block_dev_desc_t * dev_desc) -{ puts ("\nPartition Map for "); switch (dev_desc->if_type) { case IF_TYPE_IDE: @@ -312,154 +313,134 @@ static void print_part_header (const char *type, block_dev_desc_t * dev_desc) case IF_TYPE_MMC: puts ("MMC"); break; + case IF_TYPE_HOST: + puts("HOST"); + break; default: puts ("UNKNOWN"); break; } printf (" device %d -- Partition Type: %s\n\n", - dev_desc->dev, type); -} - + dev_desc->devnum, type); #endif /* any CONFIG_..._PARTITION */ +} -void print_part (block_dev_desc_t * dev_desc) +void part_print(struct blk_desc *dev_desc) { + struct part_driver *drv; - switch (dev_desc->part_type) { -#ifdef CONFIG_MAC_PARTITION - case PART_TYPE_MAC: - PRINTF ("## Testing for valid MAC partition ##\n"); - print_part_header ("MAC", dev_desc); - print_part_mac (dev_desc); - return; -#endif -#ifdef CONFIG_DOS_PARTITION - case PART_TYPE_DOS: - PRINTF ("## Testing for valid DOS partition ##\n"); - print_part_header ("DOS", dev_desc); - print_part_dos (dev_desc); - return; -#endif - -#ifdef CONFIG_ISO_PARTITION - case PART_TYPE_ISO: - PRINTF ("## Testing for valid ISO Boot partition ##\n"); - print_part_header ("ISO", dev_desc); - print_part_iso (dev_desc); - return; -#endif - -#ifdef CONFIG_AMIGA_PARTITION - case PART_TYPE_AMIGA: - PRINTF ("## Testing for a valid Amiga partition ##\n"); - print_part_header ("AMIGA", dev_desc); - print_part_amiga (dev_desc); - return; -#endif - -#ifdef CONFIG_EFI_PARTITION - case PART_TYPE_EFI: - PRINTF ("## Testing for valid EFI partition ##\n"); - print_part_header ("EFI", dev_desc); - print_part_efi (dev_desc); + drv = part_driver_lookup_type(dev_desc->part_type); + if (!drv) { + printf("## Unknown partition table type %x\n", + dev_desc->part_type); return; -#endif } - puts ("## Unknown partition table\n"); + + PRINTF("## Testing for valid %s partition ##\n", drv->name); + print_part_header(drv->name, dev_desc); + if (drv->print) + drv->print(dev_desc); } #endif /* HAVE_BLOCK_DEVICE */ -int get_partition_info(block_dev_desc_t *dev_desc, int part - , disk_partition_t *info) +int part_get_info(struct blk_desc *dev_desc, int part, + disk_partition_t *info) { #ifdef HAVE_BLOCK_DEVICE + struct part_driver *drv; #ifdef CONFIG_PARTITION_UUIDS /* The common case is no UUID support */ info->uuid[0] = 0; #endif - - switch (dev_desc->part_type) { -#ifdef CONFIG_MAC_PARTITION - case PART_TYPE_MAC: - if (get_partition_info_mac(dev_desc, part, info) == 0) { - PRINTF("## Valid MAC partition found ##\n"); - return 0; - } - break; -#endif - -#ifdef CONFIG_DOS_PARTITION - case PART_TYPE_DOS: - if (get_partition_info_dos(dev_desc, part, info) == 0) { - PRINTF("## Valid DOS partition found ##\n"); - return 0; - } - break; +#ifdef CONFIG_PARTITION_TYPE_GUID + info->type_guid[0] = 0; #endif -#ifdef CONFIG_ISO_PARTITION - case PART_TYPE_ISO: - if (get_partition_info_iso(dev_desc, part, info) == 0) { - PRINTF("## Valid ISO boot partition found ##\n"); - return 0; - } - break; -#endif - -#ifdef CONFIG_AMIGA_PARTITION - case PART_TYPE_AMIGA: - if (get_partition_info_amiga(dev_desc, part, info) == 0) { - PRINTF("## Valid Amiga partition found ##\n"); - return 0; - } - break; -#endif - -#ifdef CONFIG_EFI_PARTITION - case PART_TYPE_EFI: - if (get_partition_info_efi(dev_desc, part, info) == 0) { - PRINTF("## Valid EFI partition found ##\n"); - return 0; - } - break; -#endif - default: - break; + drv = part_driver_lookup_type(dev_desc->part_type); + if (!drv) { + debug("## Unknown partition table type %x\n", + dev_desc->part_type); + return -EPROTONOSUPPORT; + } + if (!drv->get_info) { + PRINTF("## Driver %s does not have the get_info() method\n"); + return -ENOSYS; + } + if (drv->get_info(dev_desc, part, info) == 0) { + PRINTF("## Valid %s partition found ##\n", drv->name); + return 0; } #endif /* HAVE_BLOCK_DEVICE */ return -1; } -int get_device(const char *ifname, const char *dev_str, - block_dev_desc_t **dev_desc) +int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str, + struct blk_desc **dev_desc) { char *ep; - int dev; + char *dup_str = NULL; + const char *dev_str, *hwpart_str; + int dev, hwpart; + + hwpart_str = strchr(dev_hwpart_str, '.'); + if (hwpart_str) { + dup_str = strdup(dev_hwpart_str); + dup_str[hwpart_str - dev_hwpart_str] = 0; + dev_str = dup_str; + hwpart_str++; + } else { + dev_str = dev_hwpart_str; + hwpart = 0; + } dev = simple_strtoul(dev_str, &ep, 16); if (*ep) { printf("** Bad device specification %s %s **\n", ifname, dev_str); - return -1; + dev = -1; + goto cleanup; + } + + if (hwpart_str) { + hwpart = simple_strtoul(hwpart_str, &ep, 16); + if (*ep) { + printf("** Bad HW partition specification %s %s **\n", + ifname, hwpart_str); + dev = -1; + goto cleanup; + } } - *dev_desc = get_dev(ifname, dev); + *dev_desc = get_dev_hwpart(ifname, dev, hwpart); if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) { - printf("** Bad device %s %s **\n", ifname, dev_str); - return -1; + printf("** Bad device %s %s **\n", ifname, dev_hwpart_str); + dev = -1; + goto cleanup; } +#ifdef HAVE_BLOCK_DEVICE + /* + * Updates the partition table for the specified hw partition. + * Does not need to be done for hwpart 0 since it is default and + * already loaded. + */ + if(hwpart != 0) + part_init(*dev_desc); +#endif + +cleanup: + free(dup_str); return dev; } #define PART_UNSPECIFIED -2 #define PART_AUTO -1 #define MAX_SEARCH_PARTITIONS 16 -int get_device_and_partition(const char *ifname, const char *dev_part_str, - block_dev_desc_t **dev_desc, +int blk_get_device_part_str(const char *ifname, const char *dev_part_str, + struct blk_desc **dev_desc, disk_partition_t *info, int allow_whole_dev) { int ret = -1; @@ -472,6 +453,52 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, int part; disk_partition_t tmpinfo; +#ifdef CONFIG_SANDBOX + /* + * Special-case a pseudo block device "hostfs", to allow access to the + * host's own filesystem. + */ + if (0 == strcmp(ifname, "hostfs")) { + *dev_desc = NULL; + info->start = 0; + info->size = 0; + info->blksz = 0; + info->bootable = 0; + strcpy((char *)info->type, BOOT_PART_TYPE); + strcpy((char *)info->name, "Sandbox host"); +#ifdef CONFIG_PARTITION_UUIDS + info->uuid[0] = 0; +#endif +#ifdef CONFIG_PARTITION_TYPE_GUID + info->type_guid[0] = 0; +#endif + + return 0; + } +#endif + +#ifdef CONFIG_CMD_UBIFS + /* + * Special-case ubi, ubi goes through a mtd, rathen then through + * a regular block device. + */ + if (0 == strcmp(ifname, "ubi")) { + if (!ubifs_is_mounted()) { + printf("UBIFS not mounted, use ubifsmount to mount volume first!\n"); + return -1; + } + + *dev_desc = NULL; + memset(info, 0, sizeof(*info)); + strcpy((char *)info->type, BOOT_PART_TYPE); + strcpy((char *)info->name, "UBI"); +#ifdef CONFIG_PARTITION_UUIDS + info->uuid[0] = 0; +#endif + return 0; + } +#endif + /* If no dev_part_str, use bootdevice environment variable */ if (!dev_part_str || !strlen(dev_part_str) || !strcmp(dev_part_str, "-")) @@ -495,7 +522,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, } /* Look up the device */ - dev = get_device(ifname, dev_str, dev_desc); + dev = blk_get_device_by_str(ifname, dev_str, dev_desc); if (dev < 0) goto cleanup; @@ -541,6 +568,8 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, goto cleanup; } + (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); + info->start = 0; info->size = (*dev_desc)->lba; info->blksz = (*dev_desc)->blksz; @@ -550,6 +579,9 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, #ifdef CONFIG_PARTITION_UUIDS info->uuid[0] = 0; #endif +#ifdef CONFIG_PARTITION_TYPE_GUID + info->type_guid[0] = 0; +#endif ret = 0; goto cleanup; @@ -567,7 +599,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, * other than "auto", use that partition number directly. */ if (part != PART_AUTO) { - ret = get_partition_info(*dev_desc, part, info); + ret = part_get_info(*dev_desc, part, info); if (ret) { printf("** Invalid partition %d **\n", part); goto cleanup; @@ -579,7 +611,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, */ part = 0; for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) { - ret = get_partition_info(*dev_desc, p, info); + ret = part_get_info(*dev_desc, p, info); if (ret) continue; @@ -624,6 +656,8 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, goto cleanup; } + (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); + ret = part; goto cleanup;