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| author | Dave Airlie <airlied@redhat.com> | 2017-07-16 20:18:40 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-07-19 00:32:53 +0100 |
| commit | 69532d0188ffa12454bc26bb1c30c52555a984e0 (patch) | |
| tree | 7d682520e9c54bed62cff7dbcf3e7c960f5f1eee /amdgpu/amdgpu.h | |
| parent | ac214017904b31bc5f80f802d748d5f4f3149d22 (diff) | |
| download | external_libdrm-69532d0188ffa12454bc26bb1c30c52555a984e0.tar.gz external_libdrm-69532d0188ffa12454bc26bb1c30c52555a984e0.tar.bz2 external_libdrm-69532d0188ffa12454bc26bb1c30c52555a984e0.zip | |
drm/amdgpu: add syncobj create/destroy/import/export apis
These are just wrappers using the amdgpu device handle.
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'amdgpu/amdgpu.h')
| -rw-r--r-- | amdgpu/amdgpu.h | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h index 1901fa8c..183f974c 100644 --- a/amdgpu/amdgpu.h +++ b/amdgpu/amdgpu.h @@ -1328,8 +1328,61 @@ int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem); */ const char *amdgpu_get_marketing_name(amdgpu_device_handle dev); +/** + * Create kernel sync object + * + * \param dev - \c [in] device handle + * \param syncobj - \c [out] sync object handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_create_syncobj(amdgpu_device_handle dev, + uint32_t *syncobj); +/** + * Destroy kernel sync object + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev, + uint32_t syncobj); + +/** + * Export kernel sync object to shareable fd. + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * \param shared_fd - \c [out] shared file descriptor. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_export_syncobj(amdgpu_device_handle dev, + uint32_t syncobj, + int *shared_fd); +/** + * Import kernel sync object from shareable fd. + * + * \param dev - \c [in] device handle + * \param shared_fd - \c [in] shared file descriptor. + * \param syncobj - \c [out] sync object handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_import_syncobj(amdgpu_device_handle dev, + int shared_fd, + uint32_t *syncobj); + #ifdef __cplusplus } #endif - #endif /* #ifdef _AMDGPU_H_ */ |