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RDMA/rdmavt: Add ucontext alloc/dealloc passthrough

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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>
This commit is contained in:
Dean Luick 2026-03-11 13:28:03 -04:00 committed by Leon Romanovsky
parent 786ee8ddf4
commit 679eb25de4
2 changed files with 15 additions and 0 deletions
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8
drivers/infiniband/sw/rdmavt/vt.c
View File

@ -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;
}

7
include/rdma/rdma_vt.h
View File

@ -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 {