gpu: nvgpu: no hv support for write_sm_error_state

There is no current need for a virtualized version of
nvgpu_dbg_gpu_ioctl_write_single_sm_error_state, so return
-ENOSYS when virtual.

Bug 200331110

Change-Id: I223a6298eb4c891859f1c8252049f9a83d84ccb5
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1631270
Reviewed-by: Automatic_Commit_Validation_User
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, 5 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_dbg.c b/drivers/gpu/nvgpu/common/linux/ioctl_dbg.c
index 4bade485..9372fca8 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_dbg.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_dbg.c
@@ -1,7 +1,7 @@
 /*
  * Tegra GK20A GPU Debugger/Profiler Driver
  *
- * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2017-2018, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -244,6 +244,10 @@ static int nvgpu_dbg_gpu_ioctl_write_single_sm_error_state(
         struct nvgpu_gr_sm_error_state sm_error_state;
         int err = 0;
 
+        /* Not currently supported in the virtual case */
+        if (g->is_virtual)
+                return -ENOSYS;
+
         ch = nvgpu_dbg_gpu_get_session_channel(dbg_s);
         if (!ch)
                 return -EINVAL;