diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_verbs.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 83093e16b6c6..903f0b71447e 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -1182,9 +1182,7 @@ static int rxe_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags) unsigned long irq_flags; spin_lock_irqsave(&cq->cq_lock, irq_flags); - if (cq->notify != IB_CQ_NEXT_COMP) - cq->notify = flags & IB_CQ_SOLICITED_MASK; - + cq->notify |= flags & IB_CQ_SOLICITED_MASK; empty = queue_empty(cq->queue, QUEUE_TYPE_TO_ULP); if ((flags & IB_CQ_REPORT_MISSED_EVENTS) && !empty) @@ -1261,6 +1259,12 @@ 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); @@ -1294,6 +1298,40 @@ err_free: return ERR_PTR(err); } +static struct ib_mr *rxe_rereg_user_mr(struct ib_mr *ibmr, int flags, + u64 start, u64 length, u64 iova, + int access, struct ib_pd *ibpd, + struct ib_udata *udata) +{ + struct rxe_mr *mr = to_rmr(ibmr); + struct rxe_pd *old_pd = to_rpd(ibmr->pd); + struct rxe_pd *pd = to_rpd(ibpd); + + /* for now only support the two easy cases: + * rereg_pd and rereg_access + */ + if (flags & ~RXE_MR_REREG_SUPPORTED) { + rxe_err_mr(mr, "flags = %#x not supported", flags); + return ERR_PTR(-EOPNOTSUPP); + } + + if (flags & IB_MR_REREG_PD) { + rxe_put(old_pd); + rxe_get(pd); + mr->ibmr.pd = ibpd; + } + + if (flags & IB_MR_REREG_ACCESS) { + if (access & ~RXE_ACCESS_SUPPORTED_MR) { + rxe_err_mr(mr, "access = %#x not supported", access); + return ERR_PTR(-EOPNOTSUPP); + } + mr->access = access; + } + + return NULL; +} + static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type, u32 max_num_sg) { @@ -1446,6 +1484,7 @@ static const struct ib_device_ops rxe_dev_ops = { .query_srq = rxe_query_srq, .reg_user_mr = rxe_reg_user_mr, .req_notify_cq = rxe_req_notify_cq, + .rereg_user_mr = rxe_rereg_user_mr, .resize_cq = rxe_resize_cq, INIT_RDMA_OBJ_SIZE(ib_ah, rxe_ah, ibah), |