This commit adds the ABI definitions exposed to userspace for the platform/mellanox/mlxbf-bootctl driver.
Reviewed-by: Vadim Pasternak <[email protected]> Signed-off-by: Liming Sun <[email protected]> --- v5->v6: Fixes for comments from Mark: - Changed to use device attributes (DEVICE_ATTR_xx) instead of driver attributes (DRIVER_ATTR_xx) for the exported sysfs attributes. --- .../ABI/testing/sysfs-platform-mellanox-bootctl | 58 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 59 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-platform-mellanox-bootctl diff --git a/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl b/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl new file mode 100644 index 0000000..b60a46e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl @@ -0,0 +1,58 @@ +What: /sys/bus/platform/devices/MLNXBF04:00/driver/lifecycle_state +Date: Oct 2019 +KernelVersion: 5.4 +Contact: "Liming Sun <[email protected]>" +Description: + The Life-cycle state of the SoC, which could be one of the + following values. + Production - Production state and can be updated to secure + GA Secured - Secure chip and not able to change state + GA Non-Secured - Non-Secure chip and not able to change state + RMA - Return Merchandise Authorization + +What: /sys/bus/platform/devices/MLNXBF04:00/driver/post_reset_wdog +Date: Oct 2019 +KernelVersion: 5.4 +Contact: "Liming Sun <[email protected]>" +Description: + The watchdog setting in seconds for the next booting. It's used + to reboot the chip and recover it to the old state if the new + boot partition fails. + +What: /sys/bus/platform/devices/MLNXBF04:00/driver/reset_action +Date: Oct 2019 +KernelVersion: 5.4 +Contact: "Liming Sun <[email protected]>" +Description: + The source of the boot stream for the next reset. It could be + one of the following values. + external - boot from external source (USB or PCIe) + emmc - boot from the onchip eMMC + emmc_legacy - boot from the onchip eMMC in legacy (slow) mode + +What: /sys/bus/platform/devices/MLNXBF04:00/driver/second_reset_action +Date: Oct 2019 +KernelVersion: 5.4 +Contact: "Liming Sun <[email protected]>" +Description: + Update the source of the boot stream after next reset. It could + be one of the following values and will be applied after next + reset. + external - boot from external source (USB or PCIe) + emmc - boot from the onchip eMMC + emmc_legacy - boot from the onchip eMMC in legacy (slow) mode + swap_emmc - swap the primary / secondary boot partition + none - cancel the action + +What: /sys/bus/platform/devices/MLNXBF04:00/driver/secure_boot_fuse_state +Date: Oct 2019 +KernelVersion: 5.4 +Contact: "Liming Sun <[email protected]>" +Description: + The state of eFuse versions with the following values. + InUse - burnt, valid and currently in use + Used - burnt and valid + Free - not burnt and free to use + Skipped - not burnt but not free (skipped) + Wasted - burnt and invalid + Invalid - not burnt but marked as valid (error state). diff --git a/MAINTAINERS b/MAINTAINERS index 55199ef..c2ff283 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10435,6 +10435,7 @@ M: Darren Hart <[email protected]> M: Vadim Pasternak <[email protected]> L: [email protected] S: Supported +F: Documentation/ABI/testing/sysfs-platform-mellanox-bootctl F: drivers/platform/mellanox/ F: include/linux/platform_data/mlxreg.h -- 1.8.3.1
