gpu: nvgpu: Add ioctl to create new TSG

Add ioctl to nvhost-ctrl to create a new TSG.

Bug 200042993

Change-Id: Icdd0edb1d9e374740ace6da9eb3a10c57c62617a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index c9e50b36..c393ab0c 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -181,6 +181,11 @@ struct nvgpu_alloc_as_args {
         __u64 reserved;                 /* must be zero */
 };
 
+struct nvgpu_gpu_open_tsg_args {
+        __u32 tsg_fd;                   /* out, tsg fd */
+        __u32 reserved;                 /* must be zero */
+};
+
 #define NVGPU_GPU_IOCTL_ZCULL_GET_CTX_SIZE \
         _IOR(NVGPU_GPU_IOCTL_MAGIC, 1, struct nvgpu_gpu_zcull_get_ctx_size_args)
 #define NVGPU_GPU_IOCTL_ZCULL_GET_INFO \
@@ -197,9 +202,11 @@ struct nvgpu_alloc_as_args {
         _IOWR(NVGPU_GPU_IOCTL_MAGIC, 7, struct nvgpu_gpu_mark_compressible_write_args)
 #define NVGPU_GPU_IOCTL_ALLOC_AS \
         _IOWR(NVGPU_GPU_IOCTL_MAGIC, 8, struct nvgpu_alloc_as_args)
+#define NVGPU_GPU_IOCTL_OPEN_TSG \
+        _IOWR(NVGPU_GPU_IOCTL_MAGIC, 9, struct nvgpu_gpu_open_tsg_args)
 
 #define NVGPU_GPU_IOCTL_LAST            \
-        _IOC_NR(NVGPU_GPU_IOCTL_ALLOC_AS)
+        _IOC_NR(NVGPU_GPU_IOCTL_OPEN_TSG)
 #define NVGPU_GPU_IOCTL_MAX_ARG_SIZE    \
         sizeof(struct nvgpu_gpu_prepare_compressible_read_args)