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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /drivers/infiniband/hw/nes/nes_verbs.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_verbs.c')
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c43
1 files changed, 38 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index fba69a39a..464d6da5f 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -402,15 +402,14 @@ static int nes_set_page(struct ib_mr *ibmr, u64 addr)
return 0;
}
-static int nes_map_mr_sg(struct ib_mr *ibmr,
- struct scatterlist *sg,
- int sg_nents)
+static int nes_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
+ int sg_nents, unsigned int *sg_offset)
{
struct nes_mr *nesmr = to_nesmr(ibmr);
nesmr->npages = 0;
- return ib_sg_to_pages(ibmr, sg, sg_nents, nes_set_page);
+ return ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, nes_set_page);
}
/**
@@ -981,7 +980,7 @@ static int nes_setup_mmap_qp(struct nes_qp *nesqp, struct nes_vnic *nesvnic,
/**
* nes_free_qp_mem() is to free up the qp's pci_alloc_consistent() memory.
*/
-static inline void nes_free_qp_mem(struct nes_device *nesdev,
+static void nes_free_qp_mem(struct nes_device *nesdev,
struct nes_qp *nesqp, int virt_wqs)
{
unsigned long flags;
@@ -1315,6 +1314,8 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
nes_debug(NES_DBG_QP, "Invalid QP type: %d\n", init_attr->qp_type);
return ERR_PTR(-EINVAL);
}
+ init_completion(&nesqp->sq_drained);
+ init_completion(&nesqp->rq_drained);
nesqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR);
init_timer(&nesqp->terminate_timer);
@@ -3452,6 +3453,29 @@ out:
return err;
}
+/**
+ * nes_drain_sq - drain sq
+ * @ibqp: pointer to ibqp
+ */
+static void nes_drain_sq(struct ib_qp *ibqp)
+{
+ struct nes_qp *nesqp = to_nesqp(ibqp);
+
+ if (nesqp->hwqp.sq_tail != nesqp->hwqp.sq_head)
+ wait_for_completion(&nesqp->sq_drained);
+}
+
+/**
+ * nes_drain_rq - drain rq
+ * @ibqp: pointer to ibqp
+ */
+static void nes_drain_rq(struct ib_qp *ibqp)
+{
+ struct nes_qp *nesqp = to_nesqp(ibqp);
+
+ if (nesqp->hwqp.rq_tail != nesqp->hwqp.rq_head)
+ wait_for_completion(&nesqp->rq_drained);
+}
/**
* nes_poll_cq
@@ -3582,6 +3606,13 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
}
}
+ if (nesqp->iwarp_state > NES_CQP_QP_IWARP_STATE_RTS) {
+ if (nesqp->hwqp.sq_tail == nesqp->hwqp.sq_head)
+ complete(&nesqp->sq_drained);
+ if (nesqp->hwqp.rq_tail == nesqp->hwqp.rq_head)
+ complete(&nesqp->rq_drained);
+ }
+
entry->wr_id = wrid;
entry++;
cqe_count++;
@@ -3754,6 +3785,8 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev)
nesibdev->ibdev.req_notify_cq = nes_req_notify_cq;
nesibdev->ibdev.post_send = nes_post_send;
nesibdev->ibdev.post_recv = nes_post_recv;
+ nesibdev->ibdev.drain_sq = nes_drain_sq;
+ nesibdev->ibdev.drain_rq = nes_drain_rq;
nesibdev->ibdev.iwcm = kzalloc(sizeof(*nesibdev->ibdev.iwcm), GFP_KERNEL);
if (nesibdev->ibdev.iwcm == NULL) {