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| author | Michael Margolin <[email protected]> | 2025-07-08 20:23:08 +0000 |
|---|---|---|
| committer | Leon Romanovsky <[email protected]> | 2025-07-13 08:00:34 +0000 |
| commit | 9fb3dd85197f5e5901a81b104a0f8b513148d138 (patch) | |
| tree | 75d533a8640937bed19c434e7a766a2f0863a86f /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | |
| parent | RDMA/core: Add umem "is_contiguous" and "start_dma_addr" helpers (diff) | |
| download | kernel-9fb3dd85197f5e5901a81b104a0f8b513148d138.tar.gz kernel-9fb3dd85197f5e5901a81b104a0f8b513148d138.zip | |
RDMA/efa: Add CQ with external memory support
Add an option to create CQ using external memory instead of allocating
in the driver. The memory can be passed from userspace by dmabuf fd and
an offset or a VA. One of the possible usages is creating CQs that
reside in accelerator memory, allowing low latency asynchronous direct
polling from the accelerator device. Add a capability bit to reflect on
the feature support.
Reviewed-by: Daniel Kranzdorf <[email protected]>
Reviewed-by: Yonatan Nachum <[email protected]>
Signed-off-by: Michael Margolin <[email protected]>
Link: https://patch.msgid.link/[email protected]
Reviewed-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
0 files changed, 0 insertions, 0 deletions