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gpu: nvgpu: report number of syncpoints in nvgpu_as_get_sync_ro_map_arg

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Add reporting for the number of syncpoints when mapping the RO
shim. This allows the userspace to perform boundary condition checks
when computing the GPU VA for a syncpoint.

JIRA GCSS-1579

Change-Id: Ia6c9eee917d2c1e08f9905701e03f2b09e01ba60
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2533981
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Sami Kiminki
2021-05-24 16:49:36 +03:00
committed by mobile promotions
parent 8834275906
commit 5f6ff29aea
8 changed files with 25 additions and 10 deletions
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2
include/uapi/linux/nvgpu-as.h
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@@ -375,7 +375,7 @@ struct nvgpu_as_map_buffer_batch_args {
struct nvgpu_as_get_sync_ro_map_args {
__u64 base_gpuva;
__u32 sync_size;
__u32 padding;
__u32 num_syncpoints;
};
/*