X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Ffb_mmc.c;h=866982e41c0880940d9e25fe0164773323ac241a;hb=77777f769f1a6b61ba23ba5a7b4bf9857c9f41d1;hp=b31a9fb929c53d40ff354e598d7658caacf42ddb;hpb=3c8f98f5fed5c6f03bb185b79191477885748b14;p=u-boot diff --git a/common/fb_mmc.c b/common/fb_mmc.c index b31a9fb929..866982e41c 100644 --- a/common/fb_mmc.c +++ b/common/fb_mmc.c @@ -6,26 +6,38 @@ #include #include +#include #include #include +#include #include -#include -#include #include +#include +/* + * FIXME: Ensure we always set these names via Kconfig once xxx_PARTITION is + * migrated + */ #ifndef CONFIG_FASTBOOT_GPT_NAME -#define CONFIG_FASTBOOT_GPT_NAME GPT_ENTRY_NAME +#define CONFIG_FASTBOOT_GPT_NAME "gpt" +#endif + + +#ifndef CONFIG_FASTBOOT_MBR_NAME +#define CONFIG_FASTBOOT_MBR_NAME "mbr" #endif -static char *response_str; +struct fb_mmc_sparse { + struct blk_desc *dev_desc; +}; -static int get_partition_info_efi_by_name_or_alias(block_dev_desc_t *dev_desc, +static int part_get_info_by_name_or_alias(struct blk_desc *dev_desc, const char *name, disk_partition_t *info) { int ret; - ret = get_partition_info_efi_by_name(dev_desc, name, info); - if (ret) { + ret = part_get_info_by_name(dev_desc, name, info); + if (ret < 0) { /* strlen("fastboot_partition_alias_") + 32(part_name) + 1 */ char env_alias_name[25 + 32 + 1]; char *aliased_part_name; @@ -35,13 +47,28 @@ static int get_partition_info_efi_by_name_or_alias(block_dev_desc_t *dev_desc, strncat(env_alias_name, name, 32); aliased_part_name = getenv(env_alias_name); if (aliased_part_name != NULL) - ret = get_partition_info_efi_by_name(dev_desc, + ret = part_get_info_by_name(dev_desc, aliased_part_name, info); } return ret; } -static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info, +static lbaint_t fb_mmc_sparse_write(struct sparse_storage *info, + lbaint_t blk, lbaint_t blkcnt, const void *buffer) +{ + struct fb_mmc_sparse *sparse = info->priv; + struct blk_desc *dev_desc = sparse->dev_desc; + + return blk_dwrite(dev_desc, blk, blkcnt, buffer); +} + +static lbaint_t fb_mmc_sparse_reserve(struct sparse_storage *info, + lbaint_t blk, lbaint_t blkcnt) +{ + return blkcnt; +} + +static void write_raw_image(struct blk_desc *dev_desc, disk_partition_t *info, const char *part_name, void *buffer, unsigned int download_bytes) { @@ -50,107 +77,137 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info, /* determine number of blocks to write */ blkcnt = ((download_bytes + (info->blksz - 1)) & ~(info->blksz - 1)); - blkcnt = blkcnt / info->blksz; + blkcnt = lldiv(blkcnt, info->blksz); if (blkcnt > info->size) { error("too large for partition: '%s'\n", part_name); - fastboot_fail(response_str, "too large for partition"); + fastboot_fail("too large for partition"); return; } puts("Flashing Raw Image\n"); - blks = dev_desc->block_write(dev_desc->dev, info->start, blkcnt, - buffer); + blks = blk_dwrite(dev_desc, info->start, blkcnt, buffer); if (blks != blkcnt) { - error("failed writing to device %d\n", dev_desc->dev); - fastboot_fail(response_str, "failed writing to device"); + error("failed writing to device %d\n", dev_desc->devnum); + fastboot_fail("failed writing to device"); return; } printf("........ wrote " LBAFU " bytes to '%s'\n", blkcnt * info->blksz, part_name); - fastboot_okay(response_str, ""); + fastboot_okay(""); } void fb_mmc_flash_write(const char *cmd, void *download_buffer, - unsigned int download_bytes, char *response) + unsigned int download_bytes) { - block_dev_desc_t *dev_desc; + struct blk_desc *dev_desc; disk_partition_t info; - /* initialize the response buffer */ - response_str = response; - - dev_desc = get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV); + dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV); if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) { error("invalid mmc device\n"); - fastboot_fail(response_str, "invalid mmc device"); + fastboot_fail("invalid mmc device"); return; } +#if CONFIG_IS_ENABLED(EFI_PARTITION) if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { printf("%s: updating MBR, Primary and Backup GPT(s)\n", __func__); if (is_valid_gpt_buf(dev_desc, download_buffer)) { printf("%s: invalid GPT - refusing to write to flash\n", __func__); - fastboot_fail(response_str, "invalid GPT partition"); + fastboot_fail("invalid GPT partition"); return; } if (write_mbr_and_gpt_partitions(dev_desc, download_buffer)) { printf("%s: writing GPT partitions failed\n", __func__); - fastboot_fail(response_str, - "writing GPT partitions failed"); + fastboot_fail("writing GPT partitions failed"); + return; + } + printf("........ success\n"); + fastboot_okay(""); + return; + } +#endif + +#if CONFIG_IS_ENABLED(DOS_PARTITION) + if (strcmp(cmd, CONFIG_FASTBOOT_MBR_NAME) == 0) { + printf("%s: updating MBR\n", __func__); + if (is_valid_dos_buf(download_buffer)) { + printf("%s: invalid MBR - refusing to write to flash\n", + __func__); + fastboot_fail("invalid MBR partition"); + return; + } + if (write_mbr_partition(dev_desc, download_buffer)) { + printf("%s: writing MBR partition failed\n", __func__); + fastboot_fail("writing MBR partition failed"); return; } printf("........ success\n"); - fastboot_okay(response_str, ""); + fastboot_okay(""); return; - } else if (get_partition_info_efi_by_name_or_alias(dev_desc, cmd, &info)) { + } +#endif + + if (part_get_info_by_name_or_alias(dev_desc, cmd, &info) < 0) { error("cannot find partition: '%s'\n", cmd); - fastboot_fail(response_str, "cannot find partition"); + fastboot_fail("cannot find partition"); return; } - if (is_sparse_image(download_buffer)) - write_sparse_image(dev_desc, &info, cmd, download_buffer, + if (is_sparse_image(download_buffer)) { + struct fb_mmc_sparse sparse_priv; + struct sparse_storage sparse; + + sparse_priv.dev_desc = dev_desc; + + sparse.blksz = info.blksz; + sparse.start = info.start; + sparse.size = info.size; + sparse.write = fb_mmc_sparse_write; + sparse.reserve = fb_mmc_sparse_reserve; + + printf("Flashing sparse image at offset " LBAFU "\n", + sparse.start); + + sparse.priv = &sparse_priv; + write_sparse_image(&sparse, cmd, download_buffer, download_bytes); - else + } else { write_raw_image(dev_desc, &info, cmd, download_buffer, download_bytes); - - fastboot_okay(response_str, ""); + } } -void fb_mmc_erase(const char *cmd, char *response) +void fb_mmc_erase(const char *cmd) { int ret; - block_dev_desc_t *dev_desc; + struct blk_desc *dev_desc; disk_partition_t info; lbaint_t blks, blks_start, blks_size, grp_size; struct mmc *mmc = find_mmc_device(CONFIG_FASTBOOT_FLASH_MMC_DEV); if (mmc == NULL) { error("invalid mmc device"); - fastboot_fail(response_str, "invalid mmc device"); + fastboot_fail("invalid mmc device"); return; } - /* initialize the response buffer */ - response_str = response; - - dev_desc = get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV); + dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV); if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) { error("invalid mmc device"); - fastboot_fail(response_str, "invalid mmc device"); + fastboot_fail("invalid mmc device"); return; } - ret = get_partition_info_efi_by_name_or_alias(dev_desc, cmd, &info); - if (ret) { + ret = part_get_info_by_name_or_alias(dev_desc, cmd, &info); + if (ret < 0) { error("cannot find partition: '%s'", cmd); - fastboot_fail(response_str, "cannot find partition"); + fastboot_fail("cannot find partition"); return; } @@ -166,14 +223,14 @@ void fb_mmc_erase(const char *cmd, char *response) printf("Erasing blocks " LBAFU " to " LBAFU " due to alignment\n", blks_start, blks_start + blks_size); - blks = dev_desc->block_erase(dev_desc->dev, blks_start, blks_size); + blks = blk_derase(dev_desc, blks_start, blks_size); if (blks != blks_size) { - error("failed erasing from device %d", dev_desc->dev); - fastboot_fail(response_str, "failed erasing from device"); + error("failed erasing from device %d", dev_desc->devnum); + fastboot_fail("failed erasing from device"); return; } printf("........ erased " LBAFU " bytes from '%s'\n", blks_size * info.blksz, cmd); - fastboot_okay(response_str, ""); + fastboot_okay(""); }