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368c0159d4
Dma-buf is a standard cross-driver buffer sharing mechanism that can be used to support peer-to-peer access from RDMA devices. Device memory exported via dma-buf is associated with a file descriptor. This is passed to the user space as a property associated with the buffer allocation. When the buffer is registered as a memory region, the file descriptor is passed to the RDMA driver along with other parameters. Implement the common code for importing dma-buf object and mapping dma-buf pages. Link: https://lore.kernel.org/r/1608067636-98073-2-git-send-email-jianxin.xiong@intel.com Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com> Reviewed-by: Sean Hefty <sean.hefty@intel.com> Acked-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Acked-by: Christian Koenig <christian.koenig@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
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| .. | ||
| addr.c | ||
| agent.c | ||
| agent.h | ||
| cache.c | ||
| cgroup.c | ||
| cm.c | ||
| cm_msgs.h | ||
| cm_trace.c | ||
| cm_trace.h | ||
| cma.c | ||
| cma_configfs.c | ||
| cma_priv.h | ||
| cma_trace.c | ||
| cma_trace.h | ||
| core_priv.h | ||
| counters.c | ||
| cq.c | ||
| device.c | ||
| ib_core_uverbs.c | ||
| iwcm.c | ||
| iwcm.h | ||
| iwpm_msg.c | ||
| iwpm_util.c | ||
| iwpm_util.h | ||
| lag.c | ||
| mad.c | ||
| mad_priv.h | ||
| mad_rmpp.c | ||
| mad_rmpp.h | ||
| Makefile | ||
| mr_pool.c | ||
| multicast.c | ||
| netlink.c | ||
| nldev.c | ||
| opa_smi.h | ||
| packer.c | ||
| rdma_core.c | ||
| rdma_core.h | ||
| restrack.c | ||
| restrack.h | ||
| roce_gid_mgmt.c | ||
| rw.c | ||
| sa.h | ||
| sa_query.c | ||
| security.c | ||
| smi.c | ||
| smi.h | ||
| sysfs.c | ||
| trace.c | ||
| ucma.c | ||
| ud_header.c | ||
| umem.c | ||
| umem_dmabuf.c | ||
| umem_odp.c | ||
| user_mad.c | ||
| uverbs.h | ||
| uverbs_cmd.c | ||
| uverbs_ioctl.c | ||
| uverbs_main.c | ||
| uverbs_marshall.c | ||
| uverbs_std_types.c | ||
| uverbs_std_types_async_fd.c | ||
| uverbs_std_types_counters.c | ||
| uverbs_std_types_cq.c | ||
| uverbs_std_types_device.c | ||
| uverbs_std_types_dm.c | ||
| uverbs_std_types_flow_action.c | ||
| uverbs_std_types_mr.c | ||
| uverbs_std_types_qp.c | ||
| uverbs_std_types_srq.c | ||
| uverbs_std_types_wq.c | ||
| uverbs_uapi.c | ||
| verbs.c | ||