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| author | Dean Luick <dean.luick@cornelisnetworks.com> | 2026-03-11 20:28:03 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2026-03-11 22:17:28 +0300 |
| commit | 679eb25de4ee537f209c6d81f7808ad65b03bbbc (patch) | |
| tree | 4b0bf430cdf9970992c62e1a38b34a554e5027e5 | |
| parent | 786ee8ddf47a2333aa5ffd16f68a3c0e9c7d1fbf (diff) | |
| download | linux-679eb25de4ee537f209c6d81f7808ad65b03bbbc.tar.xz | |
RDMA/rdmavt: Add ucontext alloc/dealloc passthrough
Add a private data pointer to the ucontext structure and add
per-client pass-throughs.
Signed-off-by: Dean Luick <dean.luick@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Link: https://patch.msgid.link/177325008318.52243.7367786996925601681.stgit@awdrv-04.cornelisnetworks.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/vt.c | 8 | ||||
| -rw-r--r-- | include/rdma/rdma_vt.h | 7 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index 0c28b412d81a..033d8932aff1 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -244,6 +244,10 @@ static int rvt_query_gid(struct ib_device *ibdev, u32 port_num, */ static int rvt_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata) { + struct rvt_dev_info *rdi = ib_to_rvt(uctx->device); + + if (rdi->driver_f.alloc_ucontext) + return rdi->driver_f.alloc_ucontext(uctx, udata); return 0; } @@ -253,6 +257,10 @@ static int rvt_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata) */ static void rvt_dealloc_ucontext(struct ib_ucontext *context) { + struct rvt_dev_info *rdi = ib_to_rvt(context->device); + + if (rdi->driver_f.dealloc_ucontext) + rdi->driver_f.dealloc_ucontext(context); return; } diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index c429d6ddb129..8671c6da16bb 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -149,6 +149,7 @@ struct rvt_driver_params { /* User context */ struct rvt_ucontext { struct ib_ucontext ibucontext; + void *priv; }; /* Protection domain */ @@ -359,6 +360,12 @@ struct rvt_driver_provided { /* Get and return CPU to pin CQ processing thread */ int (*comp_vect_cpu_lookup)(struct rvt_dev_info *rdi, int comp_vect); + + /* allocate a ucontext */ + int (*alloc_ucontext)(struct ib_ucontext *uctx, struct ib_udata *udata); + + /* deallocate a ucontext */ + void (*dealloc_ucontext)(struct ib_ucontext *context); }; struct rvt_dev_info { |