diff options
Diffstat (limited to 'include/uapi/drm/rocket_accel.h')
| -rw-r--r-- | include/uapi/drm/rocket_accel.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/uapi/drm/rocket_accel.h b/include/uapi/drm/rocket_accel.h index 374f8370ac9d..14b2e12b7c49 100644 --- a/include/uapi/drm/rocket_accel.h +++ b/include/uapi/drm/rocket_accel.h @@ -13,9 +13,13 @@ extern "C" { #define DRM_ROCKET_CREATE_BO 0x00 #define DRM_ROCKET_SUBMIT 0x01 +#define DRM_ROCKET_PREP_BO 0x02 +#define DRM_ROCKET_FINI_BO 0x03 #define DRM_IOCTL_ROCKET_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_ROCKET_CREATE_BO, struct drm_rocket_create_bo) #define DRM_IOCTL_ROCKET_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_SUBMIT, struct drm_rocket_submit) +#define DRM_IOCTL_ROCKET_PREP_BO DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_PREP_BO, struct drm_rocket_prep_bo) +#define DRM_IOCTL_ROCKET_FINI_BO DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_FINI_BO, struct drm_rocket_fini_bo) /** * struct drm_rocket_create_bo - ioctl argument for creating Rocket BOs. @@ -40,6 +44,36 @@ struct drm_rocket_create_bo { }; /** + * struct drm_rocket_prep_bo - ioctl argument for starting CPU ownership of the BO. + * + * Takes care of waiting for any NPU jobs that might still use the NPU and performs cache + * synchronization. + */ +struct drm_rocket_prep_bo { + /** Input: GEM handle of the buffer object. */ + __u32 handle; + + /** Reserved, must be zero. */ + __u32 reserved; + + /** Input: Amount of time to wait for NPU jobs. */ + __s64 timeout_ns; +}; + +/** + * struct drm_rocket_fini_bo - ioctl argument for finishing CPU ownership of the BO. + * + * Synchronize caches for NPU access. + */ +struct drm_rocket_fini_bo { + /** Input: GEM handle of the buffer object. */ + __u32 handle; + + /** Reserved, must be zero. */ + __u32 reserved; +}; + +/** * struct drm_rocket_task - A task to be run on the NPU * * A task is the smallest unit of work that can be run on the NPU. |