gpu: nvgpu: add API to extract GPU timeout mode

Bug 1706457

Change-Id: Iab76bcb7cabc55d99b5acd932716d30da6f01b46
Signed-off-by: Chris Dragan <kdragan@nvidia.com>
Reviewed-on: http://git-master/r/835852
Reviewed-on: http://git-master/r/836454
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
index 1c351d9e..1397549e 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
@@ -449,6 +449,22 @@ static int nvgpu_dbg_gpu_ioctl_timeout(struct dbg_session_gk20a *dbg_s,
         return err;
 }
 
+static void nvgpu_dbg_gpu_ioctl_get_timeout(struct dbg_session_gk20a *dbg_s,
+                         struct nvgpu_dbg_gpu_timeout_args *args)
+{
+        int status;
+        struct gk20a *g = get_gk20a(dbg_s->pdev);
+
+        mutex_lock(&g->dbg_sessions_lock);
+        status = g->timeouts_enabled;
+        mutex_unlock(&g->dbg_sessions_lock);
+
+        if (status)
+                args->enable = NVGPU_DBG_GPU_IOCTL_TIMEOUT_ENABLE;
+        else
+                args->enable = NVGPU_DBG_GPU_IOCTL_TIMEOUT_DISABLE;
+}
+
 long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd,
                              unsigned long arg)
 {
@@ -531,6 +547,11 @@ long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd,
                            (struct nvgpu_dbg_gpu_timeout_args *)buf);
                 break;
 
+        case NVGPU_DBG_GPU_IOCTL_GET_TIMEOUT:
+                nvgpu_dbg_gpu_ioctl_get_timeout(dbg_s,
+                           (struct nvgpu_dbg_gpu_timeout_args *)buf);
+                break;
+
         default:
                 gk20a_err(dev_from_gk20a(g),
                            "unrecognized dbg gpu ioctl cmd: 0x%x",