[PATCH v4 1/3] drivers: bootcount: Add support for ANY filesystem
Vasileios Amoiridis
vassilisamir at gmail.com
Fri Jun 28 19:35:41 CEST 2024
Add support to save boot count variable in ANY filesystem. Tested with
FAT and EXT.
Reviewed-by: Tom Rini <trini at konsulko.com>
Reviewed-by: Heiko Schocher <hs at denx.de>
Reviewed-by: Philip Oberfichtner <pro at denx.de>
Signed-off-by: Vasileios Amoiridis <vasileios.amoiridis at cern.ch>
---
doc/README.bootcount | 12 +++----
drivers/bootcount/Kconfig | 36 +++++++++----------
drivers/bootcount/Makefile | 2 +-
.../{bootcount_ext.c => bootcount_fs.c} | 12 +++----
4 files changed, 31 insertions(+), 31 deletions(-)
rename drivers/bootcount/{bootcount_ext.c => bootcount_fs.c} (81%)
diff --git a/doc/README.bootcount b/doc/README.bootcount
index f6c5f82f98..0f4ffb6828 100644
--- a/doc/README.bootcount
+++ b/doc/README.bootcount
@@ -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:
diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig
index 3c56253b1e..fbf3c56b41 100644
--- a/drivers/bootcount/Kconfig
+++ b/drivers/bootcount/Kconfig
@@ -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
diff --git a/drivers/bootcount/Makefile b/drivers/bootcount/Makefile
index e7771f5b36..245f879633 100644
--- a/drivers/bootcount/Makefile
+++ b/drivers/bootcount/Makefile
@@ -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
diff --git a/drivers/bootcount/bootcount_ext.c b/drivers/bootcount/bootcount_fs.c
similarity index 81%
rename from drivers/bootcount/bootcount_ext.c
rename to drivers/bootcount/bootcount_fs.c
index 9639e638e9..569592d8aa 100644
--- a/drivers/bootcount/bootcount_ext.c
+++ b/drivers/bootcount/bootcount_fs.c
@@ -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");
--
2.25.1
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