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

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Date: Mon, 27 May 2024 14:47:44 +0300
From: Ofir Bitton <obitton@...ana.ai>
To: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: Tal Risin <trisin@...ana.ai>
Subject: [PATCH 7/9] accel/habanalabs: expose server type in debugfs

From: Tal Risin <trisin@...ana.ai>

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

Signed-off-by: Tal Risin <trisin@...ana.ai>
Reviewed-by: Ofir Bitton <obitton@...ana.ai>
---
 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@...ana.ai
+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