Register netlink capability with the DRM and register the driver
callbacks to DRM RAS netlink commands.
v2:
Move the netlink registration parts to DRM susbsytem (Tomer Tayar)
Cc: Tomer Tayar <ttayar@xxxxxxxxx>
Signed-off-by: Aravind Iddamsetty <aravind.iddamsetty@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/xe/Makefile | 1 +
drivers/gpu/drm/xe/xe_device.c | 6 +++++-
drivers/gpu/drm/xe/xe_device_types.h | 1 +
drivers/gpu/drm/xe/xe_netlink.c | 22 ++++++++++++++++++++++
4 files changed, 29 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/xe/xe_netlink.c
diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index b84e191ba14f..2b42165bc824 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -67,6 +67,7 @@ xe-y += xe_bb.o \
xe_mmio.o \
xe_mocs.o \
xe_module.o \
+ xe_netlink.o \
xe_pat.o \
xe_pci.o \
xe_pcode.o \
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 323356a44e7f..42a3b50069b6 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -124,6 +124,8 @@ static void xe_driver_release(struct drm_device *dev)
pci_set_drvdata(to_pci_dev(xe->drm.dev), NULL);
}
+extern const struct driver_genl_ops xe_genl_ops[];
+
static struct drm_driver driver = {
/* Don't use MTRRs here; the Xserver or userspace app should
* deal with them for Intel hardware.
@@ -131,7 +133,8 @@ static struct drm_driver driver = {
.driver_features =
DRIVER_GEM |
DRIVER_RENDER | DRIVER_SYNCOBJ |
- DRIVER_SYNCOBJ_TIMELINE,
+ DRIVER_SYNCOBJ_TIMELINE |
+ DRIVER_NETLINK,
.open = xe_file_open,
.postclose = xe_file_close,
@@ -143,6 +146,7 @@ static struct drm_driver driver = {
.dumb_create = xe_bo_dumb_create,
.dumb_map_offset = drm_gem_ttm_dumb_map_offset,
.release = &xe_driver_release,
+ .genl_ops = xe_genl_ops,
.ioctls = xe_ioctls,
.num_ioctls = ARRAY_SIZE(xe_ioctls),
diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index 682ebdd1c09e..b19053fb3130 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -10,6 +10,7 @@
#include <drm/drm_device.h>
#include <drm/drm_file.h>
+#include <drm/drm_netlink.h>
#include <drm/ttm/ttm_device.h>
#include "xe_gt_types.h"
diff --git a/drivers/gpu/drm/xe/xe_netlink.c b/drivers/gpu/drm/xe/xe_netlink.c
new file mode 100644
index 000000000000..81d785455632
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_netlink.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+#include "xe_device.h"
+
+static int xe_genl_list_errors(struct drm_device *drm, struct sk_buff *msg, struct genl_info *info)
+{
+ return 0;
+}
+
+static int xe_genl_read_error(struct drm_device *drm, struct sk_buff *msg, struct genl_info *info)
+{
+ return 0;
+}
+
+/* driver callbacks to DRM netlink commands*/
+const struct driver_genl_ops xe_genl_ops[] = {
+ [DRM_RAS_CMD_QUERY] = { .doit = xe_genl_list_errors },
+ [DRM_RAS_CMD_READ_ONE] = { .doit = xe_genl_read_error },
+ [DRM_RAS_CMD_READ_ALL] = { .doit = xe_genl_list_errors, },
+};
--
2.25.1
