[PATCH 7/9] accel/habanalabs: expose server type in debugfs

From: Ofir Bitton
Date: Mon May 27 2024 - 07:49:19 EST


From: Tal Risin <trisin@xxxxxxxxx>

Exposing server type through debugfs to enable easier access via
scripts.

Signed-off-by: Tal Risin <trisin@xxxxxxxxx>
Reviewed-by: Ofir Bitton <obitton@xxxxxxxxx>
---
Documentation/ABI/testing/debugfs-driver-habanalabs | 6 ++++++
drivers/accel/habanalabs/common/debugfs.c | 5 +++++
2 files changed, 11 insertions(+)

diff --git a/Documentation/ABI/testing/debugfs-driver-habanalabs b/Documentation/ABI/testing/debugfs-driver-habanalabs
index a7a432dc4015..efbb78bedb8b 100644
--- a/Documentation/ABI/testing/debugfs-driver-habanalabs
+++ b/Documentation/ABI/testing/debugfs-driver-habanalabs
@@ -253,6 +253,12 @@ Description: Triggers dump of monitor data. The value to trigger the operatio
When the write is finished, the user can read the "monitor_dump"
blob

+What: /sys/kernel/debug/accel/<parent_device>/server_type
+Date: Feb 2024
+KernelVersion: 6.11
+Contact: trisin@xxxxxxxxx
+Description: Exposes the device's server type, maps to enum hl_server_type.
+
What: /sys/kernel/debug/accel/<parent_device>/set_power_state
Date: Jan 2019
KernelVersion: 5.1
diff --git a/drivers/accel/habanalabs/common/debugfs.c b/drivers/accel/habanalabs/common/debugfs.c
index de3ae2e47ec4..ca7677293a55 100644
--- a/drivers/accel/habanalabs/common/debugfs.c
+++ b/drivers/accel/habanalabs/common/debugfs.c
@@ -1717,6 +1717,11 @@ static void add_files_to_device(struct hl_device *hdev, struct hl_dbg_device_ent
root,
&hdev->device_release_watchdog_timeout_sec);

+ debugfs_create_u16("server_type",
+ 0444,
+ root,
+ &hdev->asic_prop.server_type);
+
for (i = 0, entry = dev_entry->entry_arr ; i < count ; i++, entry++) {
debugfs_create_file(hl_debugfs_list[i].name,
0644,
--
2.34.1