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authorLiming Sun <limings@nvidia.com>2023-04-11 18:39:42 +0300
committerHans de Goede <hdegoede@redhat.com>2023-04-17 11:17:09 +0300
commit82c3a0b7f0cb97445eeb8b91b0a37d95f8c2c2a9 (patch)
treeabf271a33294e36350b1076bf9dc47e754872ed4 /Documentation/ABI
parent5b309e80f457ebb41770e0122766825a78cfc11b (diff)
downloadlinux-82c3a0b7f0cb97445eeb8b91b0a37d95f8c2c2a9.tar.xz
mlxbf-bootctl: Add sysfs file for BlueField boot fifo
This commit adds sysfs file for BlueField boot fifo. The boot fifo is usually used to push boot stream via USB or PCIe. Once OS is up, it can be reused by applications to read data or configuration from external host. Signed-off-by: Liming Sun <limings@nvidia.com> Reviewed-by: David Thompson <davthompson@nvidia.com> Link: https://lore.kernel.org/r/52b0b00dacbc4aad3169dd3667d79c85e334783b.1680657571.git.limings@nvidia.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-platform-mellanox-bootctl7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl b/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl
index e79ca22e2f45..9b99a81babb1 100644
--- a/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl
+++ b/Documentation/ABI/testing/sysfs-platform-mellanox-bootctl
@@ -68,3 +68,10 @@ Description:
Wasted burnt and invalid
Invalid not burnt but marked as valid (error state).
======= ===============================================
+
+What: /sys/bus/platform/devices/MLNXBF04:00/bootfifo
+Date: Apr 2023
+KernelVersion: 6.4
+Contact: "Liming Sun <limings@nvidia.com>"
+Description:
+ The file used to access the BlueField boot fifo.