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gpu: nvgpu: vgpu: add io coherency support

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Modify command message parameter to support io
coherency.

Jira EVLR-2025

Change-Id: I38b21c72d85f559555c4d97dab73d0f715ecc655
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1614388
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Aparna Das
2017-11-30 01:08:52 -08:00
committed by mobile promotions
parent b983c67d84
commit 4f67a794dd
3 changed files with 9 additions and 2 deletions
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5
include/linux/tegra_vgpu.h
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@@ -160,6 +160,9 @@ struct tegra_vgpu_as_map_params {
u32 ctag_offset;
};
#define TEGRA_VGPU_MAP_CACHEABLE (1 << 0)
#define TEGRA_VGPU_MAP_IO_COHERENT (1 << 1)
struct tegra_vgpu_as_map_ex_params {
u64 handle;
u64 gpu_va;
@@ -168,7 +171,7 @@ struct tegra_vgpu_as_map_ex_params {
u8 pgsz_idx;
u8 iova;
u8 kind;
u8 cacheable;
u32 flags;
u8 clear_ctags;
u8 prot;
u32 ctag_offset;