diff options
Diffstat (limited to 'include/uapi/linux')
-rw-r--r-- | include/uapi/linux/nvgpu.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h index 6a8e44c5..d2b5ceb8 100644 --- a/include/uapi/linux/nvgpu.h +++ b/include/uapi/linux/nvgpu.h | |||
@@ -106,6 +106,8 @@ struct nvgpu_gpu_zbc_query_table_args { | |||
106 | #define NVGPU_GPU_FLAGS_SUPPORT_CYCLE_STATS (1 << 4) | 106 | #define NVGPU_GPU_FLAGS_SUPPORT_CYCLE_STATS (1 << 4) |
107 | /* NVGPU_IOCTL_CHANNEL_CYCLE_STATS_SNAPSHOT is available */ | 107 | /* NVGPU_IOCTL_CHANNEL_CYCLE_STATS_SNAPSHOT is available */ |
108 | #define NVGPU_GPU_FLAGS_SUPPORT_CYCLE_STATS_SNAPSHOT (1 << 6) | 108 | #define NVGPU_GPU_FLAGS_SUPPORT_CYCLE_STATS_SNAPSHOT (1 << 6) |
109 | /* User-space managed address spaces support */ | ||
110 | #define NVGPU_GPU_FLAGS_SUPPORT_USERSPACE_MANAGED_AS (1 << 7) | ||
109 | 111 | ||
110 | struct nvgpu_gpu_characteristics { | 112 | struct nvgpu_gpu_characteristics { |
111 | __u32 arch; | 113 | __u32 arch; |
@@ -239,7 +241,22 @@ struct nvgpu_gpu_mark_compressible_write_args { | |||
239 | struct nvgpu_alloc_as_args { | 241 | struct nvgpu_alloc_as_args { |
240 | __u32 big_page_size; | 242 | __u32 big_page_size; |
241 | __s32 as_fd; | 243 | __s32 as_fd; |
242 | __u64 reserved; /* must be zero */ | 244 | |
245 | /* | ||
246 | * The GPU address space will be managed by the userspace. This has | ||
247 | * the following changes in functionality: | ||
248 | * 1. All non-fixed-offset user mappings are rejected (i.e., | ||
249 | * fixed-offset only) | ||
250 | * 2. Address space does not need to be allocated for fixed-offset | ||
251 | * mappings, except to mark sparse address space areas. | ||
252 | * 3. Maps and unmaps are immediate. In particular, mapping ref | ||
253 | * increments at kickoffs and decrements at job completion are | ||
254 | * bypassed. | ||
255 | */ | ||
256 | #define NVGPU_GPU_IOCTL_ALLOC_AS_FLAGS_USERSPACE_MANAGED (1 << 0) | ||
257 | __u32 flags; | ||
258 | |||
259 | __u32 reserved; /* must be zero */ | ||
243 | }; | 260 | }; |
244 | 261 | ||
245 | struct nvgpu_gpu_open_tsg_args { | 262 | struct nvgpu_gpu_open_tsg_args { |