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drm/amdkfd: map svm range to GPUs

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Use amdgpu_vm_bo_update_mapping to update GPU page table to map or unmap
svm range system memory pages address to GPUs.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling
2021-02-24 18:29:06 -05:00
committed by Alex Deucher
parent d27afacfea
commit f80fe9d3c1
4 changed files with 478 additions and 10 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
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@@ -234,6 +234,10 @@ uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct kgd_dev *dst, struct kgd_dev *s
})
/* GPUVM API */
#define drm_priv_to_vm(drm_priv) \
(&((struct amdgpu_fpriv *) \
((struct drm_file *)(drm_priv))->driver_priv)->vm)
int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd,
struct file *filp, u32 pasid,
void **process_info,