drivers: bootcount: Add support for ANY filesystem

Add support to save boot count variable in ANY filesystem. Tested with
FAT and EXT.

Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Philip Oberfichtner <pro@denx.de>
Signed-off-by: Vasileios Amoiridis <vasileios.amoiridis@cern.ch>
This commit is contained in:
Vasileios Amoiridis 2024-06-28 19:35:41 +02:00 committed by Tom Rini
parent c53b344475
commit 1d7e2120af
4 changed files with 31 additions and 31 deletions

View file

@ -23,15 +23,15 @@ It is the responsibility of some application code (typically a Linux
application) to reset the variable "bootcount" to 0 when the system booted
successfully, thus allowing for more boot cycles.
CONFIG_BOOTCOUNT_EXT
CONFIG_BOOTCOUNT_FS
--------------------
This adds support for maintaining boot count in a file on an EXT filesystem.
The file to use is defined by:
This adds support for maintaining boot count in a file on a filesystem.
Supported filesystems are FAT and EXT. The file to use is defined by:
CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE
CONFIG_SYS_BOOTCOUNT_EXT_DEVPART
CONFIG_SYS_BOOTCOUNT_EXT_NAME
CONFIG_SYS_BOOTCOUNT_FS_INTERFACE
CONFIG_SYS_BOOTCOUNT_FS_DEVPART
CONFIG_SYS_BOOTCOUNT_FS_NAME
The format of the file is:

View file

@ -25,13 +25,13 @@ config BOOTCOUNT_GENERIC
Set to the address where the bootcount and bootcount magic
will be stored.
config BOOTCOUNT_EXT
bool "Boot counter on EXT filesystem"
depends on FS_EXT4
select EXT4_WRITE
config BOOTCOUNT_FS
bool "Boot counter on a filesystem"
help
Add support for maintaining boot count in a file on an EXT
filesystem.
Add support for maintaining boot count in a file on a filesystem.
This requires that you have enabled write support for the filesystem
that you will be used by the partition that you configure this feature
for.
config BOOTCOUNT_AM33XX
bool "Boot counter in AM33XX RTC IP block"
@ -184,26 +184,26 @@ config SYS_BOOTCOUNT_SINGLEWORD
This option enables packing boot count magic value and boot count
into single word (32 bits).
config SYS_BOOTCOUNT_EXT_INTERFACE
string "Interface on which to find boot counter EXT filesystem"
config SYS_BOOTCOUNT_FS_INTERFACE
string "Interface on which to find boot counter filesystem"
default "mmc"
depends on BOOTCOUNT_EXT
depends on BOOTCOUNT_FS
help
Set the interface to use when locating the filesystem to use for the
boot counter.
config SYS_BOOTCOUNT_EXT_DEVPART
string "Partition of the boot counter EXT filesystem"
config SYS_BOOTCOUNT_FS_DEVPART
string "Partition of the boot counter filesystem"
default "0:1"
depends on BOOTCOUNT_EXT
depends on BOOTCOUNT_FS
help
Set the partition to use when locating the filesystem to use for the
boot counter.
config SYS_BOOTCOUNT_EXT_NAME
string "Path and filename of the EXT filesystem based boot counter"
config SYS_BOOTCOUNT_FS_NAME
string "Path and filename of the FS filesystem based boot counter"
default "/boot/failures"
depends on BOOTCOUNT_EXT
depends on BOOTCOUNT_FS
help
Set the filename and path of the file used to store the boot counter.
@ -211,18 +211,18 @@ config SYS_BOOTCOUNT_ADDR
hex "RAM address used for reading and writing the boot counter"
default 0x44E3E000 if BOOTCOUNT_AM33XX || BOOTCOUNT_AM33XX_NVMEM
default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A
depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_FS || \
BOOTCOUNT_AM33XX_NVMEM
help
Set the address used for reading and writing the boot counter.
config SYS_BOOTCOUNT_MAGIC
hex "Magic value for the boot counter"
default 0xB001C041 if BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
default 0xB001C041 if BOOTCOUNT_GENERIC || BOOTCOUNT_FS || \
BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
BOOTCOUNT_RAM || BOOTCOUNT_AT91 || DM_BOOTCOUNT
default 0xB0 if BOOTCOUNT_AM33XX_NVMEM
depends on BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
depends on BOOTCOUNT_GENERIC || BOOTCOUNT_FS || \
BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
BOOTCOUNT_RAM || BOOTCOUNT_AT91 || DM_BOOTCOUNT || \
BOOTCOUNT_AM33XX_NVMEM

View file

@ -6,7 +6,7 @@ obj-$(CONFIG_BOOTCOUNT_AT91) += bootcount_at91.o
obj-$(CONFIG_BOOTCOUNT_AM33XX) += bootcount_davinci.o
obj-$(CONFIG_BOOTCOUNT_RAM) += bootcount_ram.o
obj-$(CONFIG_BOOTCOUNT_ENV) += bootcount_env.o
obj-$(CONFIG_BOOTCOUNT_EXT) += bootcount_ext.o
obj-$(CONFIG_BOOTCOUNT_FS) += bootcount_fs.o
obj-$(CONFIG_BOOTCOUNT_AM33XX_NVMEM) += bootcount_nvmem.o
obj-$(CONFIG_DM_BOOTCOUNT) += bootcount-uclass.o

View file

@ -25,8 +25,8 @@ void bootcount_store(ulong a)
loff_t len;
int ret;
if (fs_set_blk_dev(CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE,
CONFIG_SYS_BOOTCOUNT_EXT_DEVPART, FS_TYPE_EXT)) {
if (fs_set_blk_dev(CONFIG_SYS_BOOTCOUNT_FS_INTERFACE,
CONFIG_SYS_BOOTCOUNT_FS_DEVPART, FS_TYPE_ANY)) {
puts("Error selecting device\n");
return;
}
@ -42,7 +42,7 @@ void bootcount_store(ulong a)
buf->upgrade_available = upgrade_available;
unmap_sysmem(buf);
ret = fs_write(CONFIG_SYS_BOOTCOUNT_EXT_NAME,
ret = fs_write(CONFIG_SYS_BOOTCOUNT_FS_NAME,
CONFIG_SYS_BOOTCOUNT_ADDR, 0, sizeof(bootcount_ext_t),
&len);
if (ret != 0)
@ -55,13 +55,13 @@ ulong bootcount_load(void)
loff_t len_read;
int ret;
if (fs_set_blk_dev(CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE,
CONFIG_SYS_BOOTCOUNT_EXT_DEVPART, FS_TYPE_EXT)) {
if (fs_set_blk_dev(CONFIG_SYS_BOOTCOUNT_FS_INTERFACE,
CONFIG_SYS_BOOTCOUNT_FS_DEVPART, FS_TYPE_ANY)) {
puts("Error selecting device\n");
return 0;
}
ret = fs_read(CONFIG_SYS_BOOTCOUNT_EXT_NAME, CONFIG_SYS_BOOTCOUNT_ADDR,
ret = fs_read(CONFIG_SYS_BOOTCOUNT_FS_NAME, CONFIG_SYS_BOOTCOUNT_ADDR,
0, sizeof(bootcount_ext_t), &len_read);
if (ret != 0 || len_read != sizeof(bootcount_ext_t)) {
puts("Error loading bootcount\n");