amdgpu: add amdgpu_cs_fence_to_handle

v2: update amdgpu-symbol-check

Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
main
Marek Olšák 2017-09-08 16:05:54 +02:00
parent 59aa57b363
commit c74d461404
3 changed files with 37 additions and 0 deletions

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@ -34,6 +34,7 @@ amdgpu_cs_ctx_free
amdgpu_cs_destroy_semaphore
amdgpu_cs_destroy_syncobj
amdgpu_cs_export_syncobj
amdgpu_cs_fence_to_handle
amdgpu_cs_import_syncobj
amdgpu_cs_query_fence_status
amdgpu_cs_query_reset_state

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@ -1432,6 +1432,20 @@ int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
uint32_t syncobj,
int sync_file_fd);
/**
* Export an amdgpu fence as a handle (syncobj or fd).
*
* \param what AMDGPU_FENCE_TO_HANDLE_GET_{SYNCOBJ, FD}
* \param out_handle returned handle
*
* \return 0 on success\n
* <0 - Negative POSIX Error code
*/
int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,
struct amdgpu_cs_fence *fence,
uint32_t what,
uint32_t *out_handle);
/**
* Submit raw command submission to kernel
*

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@ -713,3 +713,25 @@ void amdgpu_cs_chunk_fence_to_dep(struct amdgpu_cs_fence *fence,
dep->ctx_id = fence->context->id;
dep->handle = fence->fence;
}
int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,
struct amdgpu_cs_fence *fence,
uint32_t what,
uint32_t *out_handle)
{
union drm_amdgpu_fence_to_handle fth = {0};
int r;
fth.in.fence.ctx_id = fence->context->id;
fth.in.fence.ip_type = fence->ip_type;
fth.in.fence.ip_instance = fence->ip_instance;
fth.in.fence.ring = fence->ring;
fth.in.fence.seq_no = fence->fence;
fth.in.what = what;
r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_FENCE_TO_HANDLE,
&fth, sizeof(fth));
if (r == 0)
*out_handle = fth.out.handle;
return r;
}