diff options
| author | Bob Pearson <rpearsonhpe@gmail.com> | 2023-05-30 17:13:33 -0500 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-06-09 13:18:53 -0300 |
| commit | 02ed253770fb27380c51af8e7e0903e6905469b6 (patch) | |
| tree | 635eaed9d009421457fca21789344f8e5d38aa91 /drivers/infiniband/sw | |
| parent | 425e1c9018fdf25cb4531606cc92d9d01a55534f (diff) | |
| download | linux-stable-02ed253770fb27380c51af8e7e0903e6905469b6.tar.gz linux-stable-02ed253770fb27380c51af8e7e0903e6905469b6.tar.bz2 linux-stable-02ed253770fb27380c51af8e7e0903e6905469b6.zip | |
RDMA/rxe: Introduce rxe access supported flags
Introduce supported bit masks for setting the access attributes of MWs,
MRs, and QPs. Check these when attributes are set.
Link: https://lore.kernel.org/r/20230530221334.89432-5-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_mw.c | 5 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_qp.c | 7 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.h | 15 |
4 files changed, 30 insertions, 3 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_mw.c b/drivers/infiniband/sw/rxe/rxe_mw.c index a7ec57ab8fad..d8a43d87de93 100644 --- a/drivers/infiniband/sw/rxe/rxe_mw.c +++ b/drivers/infiniband/sw/rxe/rxe_mw.c @@ -197,6 +197,11 @@ int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe) mr = NULL; } + if (access & ~RXE_ACCESS_SUPPORTED_MW) { + rxe_err_mw(mw, "access %#x not supported", access); + return -EOPNOTSUPP; + } + spin_lock_bh(&mw->lock); ret = rxe_check_bind_mw(qp, wqe, mw, mr, access); diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index c5451a4488ca..95d4a6760c33 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -392,6 +392,13 @@ int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp, if (mask & IB_QP_CAP && rxe_qp_chk_cap(rxe, &attr->cap, !!qp->srq)) goto err1; + if (mask & IB_QP_ACCESS_FLAGS) { + if (!(qp_type(qp) == IB_QPT_RC || qp_type(qp) == IB_QPT_UC)) + goto err1; + if (attr->qp_access_flags & ~RXE_ACCESS_SUPPORTED_QP) + goto err1; + } + if (mask & IB_QP_AV && rxe_av_chk_attr(qp, &attr->ah_attr)) goto err1; diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index dea605b7f683..bb2b9d40e242 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -1260,6 +1260,12 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, u64 start, struct rxe_mr *mr; int err, cleanup_err; + if (access & ~RXE_ACCESS_SUPPORTED_MR) { + rxe_err_pd(pd, "access = %#x not supported (%#x)", access, + RXE_ACCESS_SUPPORTED_MR); + return ERR_PTR(-EOPNOTSUPP); + } + mr = kzalloc(sizeof(*mr), GFP_KERNEL); if (!mr) return ERR_PTR(-ENOMEM); diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 0a2b7343e38f..2f2dc67f03dd 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -253,10 +253,19 @@ struct rxe_qp { struct execute_work cleanup_work; }; -enum rxe_access { - RXE_ACCESS_REMOTE = (IB_ACCESS_REMOTE_READ +enum { + RXE_ACCESS_REMOTE = IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_WRITE - | IB_ACCESS_REMOTE_ATOMIC), + | IB_ACCESS_REMOTE_ATOMIC, + RXE_ACCESS_SUPPORTED_MR = RXE_ACCESS_REMOTE + | IB_ACCESS_LOCAL_WRITE + | IB_ACCESS_MW_BIND + | IB_ACCESS_ON_DEMAND + | IB_ACCESS_FLUSH_GLOBAL + | IB_ACCESS_FLUSH_PERSISTENT, + RXE_ACCESS_SUPPORTED_QP = RXE_ACCESS_SUPPORTED_MR, + RXE_ACCESS_SUPPORTED_MW = RXE_ACCESS_SUPPORTED_MR + | IB_ZERO_BASED, }; enum rxe_mr_state { |