X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=disk%2Fpart.c;h=e57a252d948dfb4fc3f6c69533c44241673afb01;hb=5d8e66079d90bf43e68742714a6c720189c4aec2;hp=7bdc90eff701183934874195356c36e6d5a4ab5f;hpb=a098cf41fdb2a6607c675f7fe4f3164617c9367e;p=u-boot diff --git a/disk/part.c b/disk/part.c index 7bdc90eff7..e57a252d94 100644 --- a/disk/part.c +++ b/disk/part.c @@ -2,23 +2,7 @@ * (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 @@ -26,6 +10,7 @@ #include #include #include +#include #undef PART_DEBUG @@ -35,19 +20,10 @@ #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); + int (*select_hwpart)(int dev_num, int hwpart); }; static const struct block_drvr block_drvr[] = { @@ -64,10 +40,17 @@ 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 +58,13 @@ 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 block_dev_desc_t *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); + int (*select_hwpart)(int dev_num, int hwpart); char *name; + int ret; if (!ifname) return NULL; @@ -91,17 +76,41 @@ 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) { + block_dev_desc_t *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->dev, hwpart); + if (ret < 0) + return NULL; + return dev_desc; + } drvr++; } return NULL; } + +block_dev_desc_t *get_dev(const char *ifname, int dev) +{ + return get_dev_hwpart(ifname, dev, 0); +} #else +block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart) +{ + return NULL; +} + block_dev_desc_t *get_dev(const char *ifname, int dev) { return NULL; @@ -125,7 +134,7 @@ 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; @@ -207,7 +216,8 @@ 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); @@ -240,7 +250,7 @@ void dev_print (block_dev_desc_t *dev_desc) #ifdef HAVE_BLOCK_DEVICE -void init_part (block_dev_desc_t * dev_desc) +void init_part(block_dev_desc_t *dev_desc) { #ifdef CONFIG_ISO_PARTITION if (test_part_iso(dev_desc) == 0) { @@ -287,7 +297,7 @@ void init_part (block_dev_desc_t * dev_desc) defined(CONFIG_AMIGA_PARTITION) || \ defined(CONFIG_EFI_PARTITION) -static void print_part_header (const char *type, block_dev_desc_t * dev_desc) +static void print_part_header(const char *type, block_dev_desc_t *dev_desc) { puts ("\nPartition Map for "); switch (dev_desc->if_type) { @@ -312,6 +322,9 @@ 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; @@ -322,7 +335,7 @@ static void print_part_header (const char *type, block_dev_desc_t * dev_desc) #endif /* any CONFIG_..._PARTITION */ -void print_part (block_dev_desc_t * dev_desc) +void print_part(block_dev_desc_t * dev_desc) { switch (dev_desc->part_type) { @@ -370,8 +383,8 @@ void print_part (block_dev_desc_t * dev_desc) #endif /* HAVE_BLOCK_DEVICE */ -int get_partition_info(block_dev_desc_t *dev_desc, int part - , disk_partition_t *info) +int get_partition_info(block_dev_desc_t *dev_desc, int part, + disk_partition_t *info) { #ifdef HAVE_BLOCK_DEVICE @@ -433,25 +446,52 @@ int get_partition_info(block_dev_desc_t *dev_desc, int part return -1; } -int get_device(const char *ifname, const char *dev_str, +int get_device(const char *ifname, const char *dev_hwpart_str, block_dev_desc_t **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; } - *dev_desc = get_dev(ifname, dev); + 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_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; } +cleanup: + free(dup_str); return dev; } @@ -472,6 +512,53 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str, int part; disk_partition_t tmpinfo; +#if defined CONFIG_SANDBOX && defined CONFIG_CMD_UBIFS +#error Only one of CONFIG_SANDBOX and CONFIG_CMD_UBIFS may be selected +#endif + +#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 + + 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, "-")) @@ -541,6 +628,8 @@ 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; @@ -624,6 +713,8 @@ 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;