gpu: nvgpu: vgpu: add TEGRA_VGPU_EVENT_SET_ERROR_NOTIFIER

RM server will notify clients with TEGRA_VGPU_EVENT_SET_ERROR_NOTIFIER
whenever .set_error_notifier is called. Clients will set error notifier
accordingly.

Jira VQRM-3058

Change-Id: I2f435335867cce5dfd7fddb718ac6a1ff7cd66ae
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1679711
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index 08556ee5..1e77cda9 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -122,6 +122,20 @@ static void vgpu_channel_abort_cleanup(struct gk20a *g, u32 chid)
         g->ops.fifo.ch_abort_clean_up(ch);
 }
 
+static void vgpu_set_error_notifier(struct gk20a *g,
+                struct tegra_vgpu_channel_set_error_notifier *p)
+{
+        struct channel_gk20a *ch;
+
+        if (p->chid >= g->fifo.num_channels) {
+                nvgpu_err(g, "invalid chid %d", p->chid);
+                return;
+        }
+
+        ch = &g->fifo.channel[p->chid];
+        g->ops.fifo.set_error_notifier(ch, p->error);
+}
+
 int vgpu_intr_thread(void *dev_id)
 {
         struct gk20a *g = dev_id;
@@ -181,6 +195,10 @@ int vgpu_intr_thread(void *dev_id)
                         vgpu_channel_abort_cleanup(g,
                                         msg->info.ch_cleanup.chid);
                         break;
+                case TEGRA_VGPU_EVENT_SET_ERROR_NOTIFIER:
+                        vgpu_set_error_notifier(g,
+                                                &msg->info.set_error_notifier);
+                        break;
                 default:
                         nvgpu_err(g, "unknown event %u", msg->event);
                         break;