linux/drivers/infiniband/core
Michael Guralnik 186b169cf1 RDMA/umem: Set iova in ODP flow
Fixing the ODP registration flow to set the iova correctly.
The calculation in ib_umem_num_dma_blocks() function assumes the iova of
the umem is set correctly.

When iova is not set, the calculation in ib_umem_num_dma_blocks() is
equivalent to length/page_size, which is true only when memory is aligned.
For unaligned memory, iova must be set for the ALIGN() in the
ib_umem_num_dma_blocks() to take effect and return a correct value.

mlx5_ib uses ib_umem_num_dma_blocks() to decide the mkey size to use for
the MR. Without this fix, when registering unaligned ODP MR, a wrong
size mkey might be chosen and this might cause the UMR to fail.

UMR would fail over insufficient size to update the mkey translation:
infiniband mlx5_0: dump_cqe:273:(pid 0): dump error cqe
00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000030: 00 00 00 00 0f 00 78 06 25 00 00 58 00 da ac d2
infiniband mlx5_0: mlx5_ib_post_send_wait:806:(pid 20311): reg umr
failed (6)
infiniband mlx5_0: pagefault_real_mr:661:(pid 20311): Failed to update
mkey page tables

Fixes: f0093fb1a7 ("RDMA/mlx5: Move mlx5_ib_cont_pages() to the creation of the mlx5_ib_mr")
Fixes: a665aca89a ("RDMA/umem: Split ib_umem_num_pages() into ib_umem_num_dma_blocks()")
Signed-off-by: Artemy Kovalyov <artemyko@nvidia.com>
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://lore.kernel.org/r/3d4be7ca2155bf239dd8c00a2d25974a92c26ab8.1689757344.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2023-07-31 11:38:38 +03:00
..
addr.c RDMA/core: Delete useless module.h include 2022-01-28 13:03:12 -04:00
agent.c
agent.h
cache.c RDMA/core: fix repeated words in comments 2022-10-24 14:47:19 +03:00
cgroup.c
cm.c RDMA/cm: Trace icm_send_rej event before the cm state is reset 2023-04-09 12:52:57 +03:00
cm_msgs.h
cm_trace.c
cm_trace.h trace: Relocate event helper files 2022-12-10 11:01:12 -05:00
cma.c RDMA/core: Update CMA destination address on rdma_resolve_addr 2023-07-17 08:02:13 +03:00
cma_configfs.c IB: move from strlcpy with unused retval to strscpy 2022-08-21 14:18:02 +03:00
cma_priv.h RDMA/core: Add an rb_tree that stores cm_ids sorted by ifindex and remote IP 2022-06-16 09:54:35 +03:00
cma_trace.c
cma_trace.h trace: Relocate event helper files 2022-12-10 11:01:12 -05:00
core_priv.h
counters.c
cq.c RDMA/core: Delete useless module.h include 2022-01-28 13:03:12 -04:00
device.c Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
ib_core_uverbs.c
iwcm.c
iwcm.h
iwpm_msg.c
iwpm_util.c
iwpm_util.h RDMA/core: Delete useless module.h include 2022-01-28 13:03:12 -04:00
lag.c RDMA/core: Remove 'device' argument from rdma_build_skb() 2022-08-28 14:29:07 +03:00
mad.c IB/mad: Don't call to function that might sleep while in atomic context 2022-11-10 10:57:15 +02:00
mad_priv.h
mad_rmpp.c
mad_rmpp.h
Makefile
mr_pool.c
multicast.c
netlink.c
nldev.c Linux 6.1-rc8 2022-12-09 15:52:17 -04:00
opa_smi.h
packer.c
rdma_core.c RDMA: Correct duplicated words in comments 2022-06-24 16:52:28 -03:00
rdma_core.h
restrack.c RDMA/restrack: Release MR restrack when delete 2022-11-15 09:56:32 +02:00
restrack.h
roce_gid_mgmt.c IB: Fix repeated words 'the the' comments 2022-07-22 12:02:29 -03:00
rw.c RDMA/rw: drop pci_p2pdma_[un]map_sg() 2022-07-26 07:28:07 -04:00
sa.h
sa_query.c RDMA/cma: Refactor the inbound/outbound path records process flow 2023-01-10 10:49:50 +02:00
security.c
smi.c
smi.h
sysfs.c RDMA/core: Make sure "ib_port" is valid when access sysfs node 2022-11-15 09:56:39 +02:00
trace.c
ucma.c RDMA/core: Rename rdma_route.num_paths field to num_pri_alt_paths 2022-09-22 12:35:13 +03:00
ud_header.c
umem.c RDMA/umem: Set iova in ODP flow 2023-07-31 11:38:38 +03:00
umem_dmabuf.c RDMA/umem: Use dma-buf locked API to solve deadlock 2023-01-31 10:24:49 -04:00
umem_odp.c Linux 6.0 2022-10-06 19:48:45 -03:00
user_mad.c v6.4 merge window RDMA pull request 2023-04-29 17:21:24 -07:00
uverbs.h
uverbs_cmd.c RDMA/uverbs: Restrict usage of privileged QKEYs 2023-06-11 11:26:06 +03:00
uverbs_ioctl.c RDMA/core: Add UVERBS_ATTR_RAW_FD 2022-09-27 10:15:24 -03:00
uverbs_main.c IB/uverbs: Fix to consider event queue closing also upon non-blocking mode 2023-06-11 11:27:12 +03:00
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 RDMA/core: Delete IPsec flow action logic from the core 2022-04-09 08:25:06 +03:00
uverbs_std_types_mr.c
uverbs_std_types_qp.c IB/uverbs: fix the typo of optional 2022-10-19 09:46:45 +03:00
uverbs_std_types_srq.c
uverbs_std_types_wq.c
uverbs_uapi.c
verbs.c RDMA/core: Fix GID entry ref leak when create_ah fails 2023-04-13 12:17:32 -03:00