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accel/rocket: Add IOCTL for BO creation
This uses the SHMEM DRM helpers and we map right away to the CPU and NPU
sides, as all buffers are expected to be accessed from both.
v2:
- Sync the IOMMUs for the other cores when mapping and unmapping.
Signed-off-by:
Tomeu Vizoso <tomeu@tomeuvizoso.net>
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- drivers/accel/rocket/Makefile 2 additions, 1 deletiondrivers/accel/rocket/Makefile
- drivers/accel/rocket/rocket_device.c 4 additions, 0 deletionsdrivers/accel/rocket/rocket_device.c
- drivers/accel/rocket/rocket_device.h 2 additions, 0 deletionsdrivers/accel/rocket/rocket_device.h
- drivers/accel/rocket/rocket_drv.c 6 additions, 1 deletiondrivers/accel/rocket/rocket_drv.c
- drivers/accel/rocket/rocket_gem.c 141 additions, 0 deletionsdrivers/accel/rocket/rocket_gem.c
- drivers/accel/rocket/rocket_gem.h 27 additions, 0 deletionsdrivers/accel/rocket/rocket_gem.h
- include/uapi/drm/rocket_accel.h 43 additions, 0 deletionsinclude/uapi/drm/rocket_accel.h
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