gpu: nvgpu: Abstract kernel_restart()

This function is used in gk20a.c to handle catastrophic error conditions
but is Linux specific. As such, implement an abstraction for this in
driver_common.c and expose the API in nvgpu_common.h.

JIRA NVGPU-525

Signed-off-by: Alex Waterman <alexw@nvidia.com>
Change-Id: Ie2e417d30af5ff7db76f4d2d5b97ec96c386bd04
Reviewed-on: https://git-master.nvidia.com/r/1662543
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/driver_common.c b/drivers/gpu/nvgpu/common/linux/driver_common.c
index b3333e37..9029366f 100644
--- a/drivers/gpu/nvgpu/common/linux/driver_common.c
+++ b/drivers/gpu/nvgpu/common/linux/driver_common.c
@@ -14,6 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <linux/reboot.h>
 #include <linux/dma-mapping.h>
 #include <linux/mm.h>
 #include <uapi/linux/nvgpu.h>
@@ -37,6 +38,11 @@
 
 #define EMC3D_DEFAULT_RATIO 750
 
+void nvgpu_kernel_restart(void *cmd)
+{
+        kernel_restart(cmd);
+}
+
 static void nvgpu_init_vars(struct gk20a *g)
 {
         struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);