[PATCH v4] Fix flashing of eMMC user area with Fastboot

'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com ---
Changes for v2: - code cleanup; Changes for v3: - QA passed at https://github.com/u-boot/u-boot/pull/75; Changes for v4: - fixed ugly code; - QA passed at https://github.com/u-boot/u-boot/pull/75.
drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2f3837e559..a009863e89 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc; - struct disk_partition info; + struct disk_partition info = {0};
#ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) { @@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif
#if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else - if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 || - strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { -#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif
- if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) +#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT) + if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { + dev_desc = fastboot_mmc_get_dev(response); + if (!dev_desc) + return; + + strlcpy((char *)&info.name, cmd, sizeof(info.name)); + info.size = dev_desc->lba; + info.blksz = dev_desc->blksz; + } +#endif + + if (!info.name[0] && + fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) return;
if (is_sparse_image(download_buffer)) {

Hello Sean, Could you please take a look?
I've updated the patch.
19.05.21 13:31, Oleh Kravchenko пише:
'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com
Changes for v2:
- code cleanup;
Changes for v3:
- QA passed at https://github.com/u-boot/u-boot/pull/75;
Changes for v4:
- fixed ugly code;
- QA passed at https://github.com/u-boot/u-boot/pull/75.
drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2f3837e559..a009863e89 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc;
- struct disk_partition info;
- struct disk_partition info = {0};
#ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) { @@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif
#if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else
- if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 ||
strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) {
-#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif
- if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0)
+#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT)
- if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) {
dev_desc = fastboot_mmc_get_dev(response);
if (!dev_desc)
return;
strlcpy((char *)&info.name, cmd, sizeof(info.name));
info.size = dev_desc->lba;
info.blksz = dev_desc->blksz;
- }
+#endif
if (!info.name[0] &&
fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0)
return;
if (is_sparse_image(download_buffer)) {

On 5/19/21 6:31 AM, Oleh Kravchenko wrote:
'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com
Changes for v2: - code cleanup; Changes for v3: - QA passed at https://github.com/u-boot/u-boot/pull/75; Changes for v4: - fixed ugly code; - QA passed at https://github.com/u-boot/u-boot/pull/75.
drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2f3837e559..a009863e89 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc;
- struct disk_partition info;
struct disk_partition info = {0};
#ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) {
@@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif
#if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else
- if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 ||
strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) {
-#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif
- if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0)
+#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT)
- if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) {
dev_desc = fastboot_mmc_get_dev(response);
if (!dev_desc)
return;
strlcpy((char *)&info.name, cmd, sizeof(info.name));
info.size = dev_desc->lba;
info.blksz = dev_desc->blksz;
- }
+#endif
if (!info.name[0] &&
fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0)
return;
if (is_sparse_image(download_buffer)) {
Reviewed-by: Sean Anderson sean.anderson@seco.com

Thank you, Sean!
Could you please take a look at this patch too? https://patchwork.ozlabs.org/project/uboot/patch/20210514210620.24715-1-oleg...
20.05.21 17:32, Sean Anderson пише:
On 5/19/21 6:31 AM, Oleh Kravchenko wrote:
'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com
Changes for v2: - code cleanup; Changes for v3: - QA passed at https://github.com/u-boot/u-boot/pull/75; Changes for v4: - fixed ugly code; - QA passed at https://github.com/u-boot/u-boot/pull/75.
drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2f3837e559..a009863e89 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc; - struct disk_partition info; + struct disk_partition info = {0}; #ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) { @@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif #if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else - if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 || - strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { -#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif - if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) +#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT) + if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { + dev_desc = fastboot_mmc_get_dev(response); + if (!dev_desc) + return;
+ strlcpy((char *)&info.name, cmd, sizeof(info.name)); + info.size = dev_desc->lba; + info.blksz = dev_desc->blksz; + } +#endif
+ if (!info.name[0] && + fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) return; if (is_sparse_image(download_buffer)) {
Reviewed-by: Sean Anderson sean.anderson@seco.com

On 5/20/21 10:44 AM, Oleh Kravchenko wrote:
Thank you, Sean!
Could you please take a look at this patch too? https://patchwork.ozlabs.org/project/uboot/patch/20210514210620.24715-1-oleg...
You may want to CC Lukas Majewski. I believe he took fastboot patches last time they got merged.
--Sean
20.05.21 17:32, Sean Anderson пише:
On 5/19/21 6:31 AM, Oleh Kravchenko wrote:
'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com
Changes for v2: - code cleanup; Changes for v3: - QA passed at https://github.com/u-boot/u-boot/pull/75; Changes for v4: - fixed ugly code; - QA passed at https://github.com/u-boot/u-boot/pull/75.
drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2f3837e559..a009863e89 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc; - struct disk_partition info; + struct disk_partition info = {0}; #ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) { @@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif #if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else - if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 || - strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { -#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif - if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) +#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT) + if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { + dev_desc = fastboot_mmc_get_dev(response); + if (!dev_desc) + return;
+ strlcpy((char *)&info.name, cmd, sizeof(info.name)); + info.size = dev_desc->lba; + info.blksz = dev_desc->blksz; + } +#endif
+ if (!info.name[0] && + fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) return; if (is_sparse_image(download_buffer)) {
Reviewed-by: Sean Anderson sean.anderson@seco.com

Hello Lukasz, Could you please review this patch too?
This patch fixes Fastboot behaviour, when flashing or erasing of eMMC user area was requested.
20.05.21 18:00, Sean Anderson пише:
On 5/20/21 10:44 AM, Oleh Kravchenko wrote:
Thank you, Sean!
Could you please take a look at this patch too? https://patchwork.ozlabs.org/project/uboot/patch/20210514210620.24715-1-oleg...
You may want to CC Lukas Majewski. I believe he took fastboot patches last time they got merged.
--Sean
20.05.21 17:32, Sean Anderson пише:
On 5/19/21 6:31 AM, Oleh Kravchenko wrote:
'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com
Changes for v2: - code cleanup; Changes for v3: - QA passed at https://github.com/u-boot/u-boot/pull/75; Changes for v4: - fixed ugly code; - QA passed at https://github.com/u-boot/u-boot/pull/75.
drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2f3837e559..a009863e89 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc; - struct disk_partition info; + struct disk_partition info = {0}; #ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) { @@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif #if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else - if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 || - strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { -#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif - if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) +#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT) + if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { + dev_desc = fastboot_mmc_get_dev(response); + if (!dev_desc) + return;
+ strlcpy((char *)&info.name, cmd, sizeof(info.name)); + info.size = dev_desc->lba; + info.blksz = dev_desc->blksz; + } +#endif
+ if (!info.name[0] && + fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) return; if (is_sparse_image(download_buffer)) {
Reviewed-by: Sean Anderson sean.anderson@seco.com

Hello Tom, coud you please cherry-pick this patch?
Lukasz doesn't respond :(
20.05.21 18:23, Oleh Kravchenko пише:
Hello Lukasz, Could you please review this patch too?
This patch fixes Fastboot behaviour, when flashing or erasing of eMMC user area was requested.
20.05.21 18:00, Sean Anderson пише:
On 5/20/21 10:44 AM, Oleh Kravchenko wrote:
Thank you, Sean!
Could you please take a look at this patch too? https://patchwork.ozlabs.org/project/uboot/patch/20210514210620.24715-1-oleg...
You may want to CC Lukas Majewski. I believe he took fastboot patches last time they got merged.
--Sean
20.05.21 17:32, Sean Anderson пише:
On 5/19/21 6:31 AM, Oleh Kravchenko wrote:
'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com
Changes for v2: - code cleanup; Changes for v3: - QA passed at https://github.com/u-boot/u-boot/pull/75; Changes for v4: - fixed ugly code; - QA passed at https://github.com/u-boot/u-boot/pull/75.
drivers/fastboot/fb_mmc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index 2f3837e559..a009863e89 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -512,7 +512,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, u32 download_bytes, char *response) { struct blk_desc *dev_desc; - struct disk_partition info; + struct disk_partition info = {0}; #ifdef CONFIG_FASTBOOT_MMC_BOOT_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_MMC_BOOT1_NAME) == 0) { @@ -532,12 +532,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, #endif #if CONFIG_IS_ENABLED(EFI_PARTITION) -#ifndef CONFIG_FASTBOOT_MMC_USER_SUPPORT if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) { -#else - if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0 || - strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { -#endif dev_desc = fastboot_mmc_get_dev(response); if (!dev_desc) return; @@ -599,7 +594,20 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, } #endif - if (fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) +#if CONFIG_IS_ENABLED(FASTBOOT_MMC_USER_SUPPORT) + if (strcmp(cmd, CONFIG_FASTBOOT_MMC_USER_NAME) == 0) { + dev_desc = fastboot_mmc_get_dev(response); + if (!dev_desc) + return;
+ strlcpy((char *)&info.name, cmd, sizeof(info.name)); + info.size = dev_desc->lba; + info.blksz = dev_desc->blksz; + } +#endif
+ if (!info.name[0] && + fastboot_mmc_get_part_info(cmd, &dev_desc, &info, response) < 0) return; if (is_sparse_image(download_buffer)) {
Reviewed-by: Sean Anderson sean.anderson@seco.com

On Wed, May 19, 2021 at 01:31:31PM +0300, Oleh Kravchenko wrote:
'gpt' and 'mmc0' fastboot partitions have been treated as the same device, but it is wrong.
Fill disk_partition structure with eMMC user partition info to properly flash data.
Signed-off-by: Oleh Kravchenko oleg@kaa.org.ua Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Marek Vasut marex@denx.de Cc: Sean Anderson sean.anderson@seco.com Cc: Tom Rini trini@konsulko.com Reviewed-by: Sean Anderson sean.anderson@seco.com
Applied to u-boot/master, thanks!
participants (3)
-
Oleh Kravchenko
-
Sean Anderson
-
Tom Rini