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| author | Neta Ostrovsky <netao@nvidia.com> | 2021-04-18 16:41:24 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-04-22 10:30:27 -0300 |
| commit | 48f8a70e899fa4d9c8f00369f482f0382173ece9 (patch) | |
| tree | 00c540f7b14f41869f8f4d5e569847fdea13e63a | |
| parent | 12ce208f40c757e70d7af60100e814be0d2f01bd (diff) | |
| download | linux-48f8a70e899fa4d9c8f00369f482f0382173ece9.tar.gz linux-48f8a70e899fa4d9c8f00369f482f0382173ece9.tar.bz2 linux-48f8a70e899fa4d9c8f00369f482f0382173ece9.zip | |
RDMA/restrack: Add support to get resource tracking for SRQ
In order to track SRQ resources, a new restrack object is initialized and
added to the resource tracking database.
Link: https://lore.kernel.org/r/0db71c409f24f2f6b019bf8797a8fed96fe7079c.1618753110.git.leonro@nvidia.com
Signed-off-by: Neta Ostrovsky <netao@nvidia.com>
Reviewed-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
| -rw-r--r-- | drivers/infiniband/core/restrack.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 7 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 5 | ||||
| -rw-r--r-- | include/rdma/restrack.h | 4 |
4 files changed, 19 insertions, 0 deletions
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c index ffabaf327242..033207882c82 100644 --- a/drivers/infiniband/core/restrack.c +++ b/drivers/infiniband/core/restrack.c @@ -47,6 +47,7 @@ static const char *type2str(enum rdma_restrack_type type) [RDMA_RESTRACK_MR] = "MR", [RDMA_RESTRACK_CTX] = "CTX", [RDMA_RESTRACK_COUNTER] = "COUNTER", + [RDMA_RESTRACK_SRQ] = "SRQ", }; return names[type]; @@ -141,6 +142,8 @@ static struct ib_device *res_to_dev(struct rdma_restrack_entry *res) return container_of(res, struct ib_ucontext, res)->device; case RDMA_RESTRACK_COUNTER: return container_of(res, struct rdma_counter, res)->device; + case RDMA_RESTRACK_SRQ: + return container_of(res, struct ib_srq, res)->device; default: WARN_ONCE(true, "Wrong resource tracking type %u\n", res->type); return NULL; diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 5b6214b803a2..2b0798151fb7 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1039,8 +1039,12 @@ struct ib_srq *ib_create_srq_user(struct ib_pd *pd, } atomic_inc(&pd->usecnt); + rdma_restrack_new(&srq->res, RDMA_RESTRACK_SRQ); + rdma_restrack_parent_name(&srq->res, &pd->res); + ret = pd->device->ops.create_srq(srq, srq_init_attr, udata); if (ret) { + rdma_restrack_put(&srq->res); atomic_dec(&srq->pd->usecnt); if (srq->srq_type == IB_SRQT_XRC) atomic_dec(&srq->ext.xrc.xrcd->usecnt); @@ -1050,6 +1054,8 @@ struct ib_srq *ib_create_srq_user(struct ib_pd *pd, return ERR_PTR(ret); } + rdma_restrack_add(&srq->res); + return srq; } EXPORT_SYMBOL(ib_create_srq_user); @@ -1088,6 +1094,7 @@ int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata) atomic_dec(&srq->ext.xrc.xrcd->usecnt); if (ib_srq_has_cq(srq->srq_type)) atomic_dec(&srq->ext.cq->usecnt); + rdma_restrack_del(&srq->res); kfree(srq); return ret; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index c596882893ae..7e2f3699b898 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1610,6 +1610,11 @@ struct ib_srq { } xrc; }; } ext; + + /* + * Implementation details of the RDMA core, don't use in drivers: + */ + struct rdma_restrack_entry res; }; enum ib_raw_packet_caps { diff --git a/include/rdma/restrack.h b/include/rdma/restrack.h index 05e18839eaff..79d109c47242 100644 --- a/include/rdma/restrack.h +++ b/include/rdma/restrack.h @@ -50,6 +50,10 @@ enum rdma_restrack_type { */ RDMA_RESTRACK_COUNTER, /** + * @RDMA_RESTRACK_SRQ: Shared receive queue (SRQ) + */ + RDMA_RESTRACK_SRQ, + /** * @RDMA_RESTRACK_MAX: Last entry, used for array dclarations */ RDMA_RESTRACK_MAX |