diff options
Diffstat (limited to 'drivers/gpu/nvgpu/vgpu')
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/mm_vgpu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c index c36b135c..bfaacff5 100644 --- a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c +++ b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c | |||
@@ -267,7 +267,7 @@ u64 vgpu_bar1_map(struct gk20a *g, struct sg_table **sgt, u64 size) | |||
267 | 267 | ||
268 | /* address space interfaces for the gk20a module */ | 268 | /* address space interfaces for the gk20a module */ |
269 | static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share, | 269 | static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share, |
270 | u32 big_page_size) | 270 | u32 big_page_size, u32 flags) |
271 | { | 271 | { |
272 | struct gk20a_as *as = as_share->as; | 272 | struct gk20a_as *as = as_share->as; |
273 | struct gk20a *g = gk20a_from_as(as); | 273 | struct gk20a *g = gk20a_from_as(as); |
@@ -280,6 +280,8 @@ static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share, | |||
280 | kernel_vma_start, kernel_vma_limit; | 280 | kernel_vma_start, kernel_vma_limit; |
281 | char name[32]; | 281 | char name[32]; |
282 | int err, i; | 282 | int err, i; |
283 | const bool userspace_managed = | ||
284 | (flags & NVGPU_GPU_IOCTL_ALLOC_AS_FLAGS_USERSPACE_MANAGED) != 0; | ||
283 | 285 | ||
284 | /* note: keep the page sizes sorted lowest to highest here */ | 286 | /* note: keep the page sizes sorted lowest to highest here */ |
285 | u32 gmmu_page_sizes[gmmu_nr_page_sizes] = { | 287 | u32 gmmu_page_sizes[gmmu_nr_page_sizes] = { |
@@ -290,6 +292,12 @@ static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share, | |||
290 | 292 | ||
291 | gk20a_dbg_fn(""); | 293 | gk20a_dbg_fn(""); |
292 | 294 | ||
295 | if (userspace_managed) { | ||
296 | gk20a_err(dev_from_gk20a(g), | ||
297 | "userspace-managed address spaces not yet supported"); | ||
298 | return -ENOSYS; | ||
299 | } | ||
300 | |||
293 | big_page_size = gmmu_page_sizes[gmmu_page_size_big]; | 301 | big_page_size = gmmu_page_sizes[gmmu_page_size_big]; |
294 | 302 | ||
295 | vm = kzalloc(sizeof(*vm), GFP_KERNEL); | 303 | vm = kzalloc(sizeof(*vm), GFP_KERNEL); |