gpu: nvgpu: vgpu: add set mmu debug mode support

JIRA VFND-1005
Bug 1594604

Change-Id: Ic159a1aff9cee508194f1f5dff7a16eb0e47ad64
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/833498
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
index bfaacff5..8af01158 100644
--- a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
@@ -531,8 +531,26 @@ static void vgpu_mm_tlb_invalidate(struct vm_gk20a *vm)
         WARN_ON(err || msg.ret);
 }
 
+static void vgpu_mm_mmu_set_debug_mode(struct gk20a *g, bool enable)
+{
+        struct gk20a_platform *platform = gk20a_get_platform(g->dev);
+        struct tegra_vgpu_cmd_msg msg;
+        struct tegra_vgpu_mmu_debug_mode *p = &msg.params.mmu_debug_mode;
+        int err;
+
+        gk20a_dbg_fn("");
+
+        msg.cmd = TEGRA_VGPU_CMD_SET_MMU_DEBUG_MODE;
+        msg.handle = platform->virt_handle;
+        p->enable = (u32)enable;
+        err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
+        WARN_ON(err || msg.ret);
+}
+
 void vgpu_init_mm_ops(struct gpu_ops *gops)
 {
+        gops->mm.is_debug_mode_enabled = NULL;
+        gops->mm.set_debug_mode = vgpu_mm_mmu_set_debug_mode;
         gops->mm.gmmu_map = vgpu_locked_gmmu_map;
         gops->mm.gmmu_unmap = vgpu_locked_gmmu_unmap;
         gops->mm.vm_remove = vgpu_vm_remove_support;