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-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cq.c64
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c44
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.h8
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c32
4 files changed, 58 insertions, 90 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cq.c b/drivers/infiniband/hw/cxgb3/iwch_cq.c
index 0a8542c20804..a098c0140580 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cq.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cq.c
@@ -32,38 +32,16 @@
#include "iwch_provider.h"
#include "iwch.h"
-/*
- * Get one cq entry from cxio and map it to openib.
- *
- * Returns:
- * 0 EMPTY;
- * 1 cqe returned
- * -EAGAIN caller must try again
- * any other -errno fatal error
- */
-static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
- struct ib_wc *wc)
+static int __iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
+ struct iwch_qp *qhp, struct ib_wc *wc)
{
- struct iwch_qp *qhp = NULL;
- struct t3_cqe cqe, *rd_cqe;
- struct t3_wq *wq;
+ struct t3_wq *wq = qhp ? &qhp->wq : NULL;
+ struct t3_cqe cqe;
u32 credit = 0;
u8 cqe_flushed;
u64 cookie;
int ret = 1;
- rd_cqe = cxio_next_cqe(&chp->cq);
-
- if (!rd_cqe)
- return 0;
-
- qhp = get_qhp(rhp, CQE_QPID(*rd_cqe));
- if (!qhp)
- wq = NULL;
- else {
- spin_lock(&qhp->lock);
- wq = &(qhp->wq);
- }
ret = cxio_poll_cq(wq, &(chp->cq), &cqe, &cqe_flushed, &cookie,
&credit);
if (t3a_device(chp->rhp) && credit) {
@@ -79,7 +57,7 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
ret = 1;
wc->wr_id = cookie;
- wc->qp = &qhp->ibqp;
+ wc->qp = qhp ? &qhp->ibqp : NULL;
wc->vendor_err = CQE_STATUS(cqe);
wc->wc_flags = 0;
@@ -182,8 +160,38 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
}
}
out:
- if (wq)
+ return ret;
+}
+
+/*
+ * Get one cq entry from cxio and map it to openib.
+ *
+ * Returns:
+ * 0 EMPTY;
+ * 1 cqe returned
+ * -EAGAIN caller must try again
+ * any other -errno fatal error
+ */
+static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
+ struct ib_wc *wc)
+{
+ struct iwch_qp *qhp;
+ struct t3_cqe *rd_cqe;
+ int ret;
+
+ rd_cqe = cxio_next_cqe(&chp->cq);
+
+ if (!rd_cqe)
+ return 0;
+
+ qhp = get_qhp(rhp, CQE_QPID(*rd_cqe));
+ if (qhp) {
+ spin_lock(&qhp->lock);
+ ret = __iwch_poll_cq_one(rhp, chp, qhp, wc);
spin_unlock(&qhp->lock);
+ } else {
+ ret = __iwch_poll_cq_one(rhp, chp, NULL, wc);
+ }
return ret;
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index be097c6723c0..1b9ff21aa1d5 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -61,42 +61,6 @@
#include <rdma/cxgb3-abi.h>
#include "common.h"
-static struct ib_ah *iwch_ah_create(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- struct ib_udata *udata)
-{
- return ERR_PTR(-ENOSYS);
-}
-
-static int iwch_ah_destroy(struct ib_ah *ah)
-{
- return -ENOSYS;
-}
-
-static int iwch_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
-{
- return -ENOSYS;
-}
-
-static int iwch_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
-{
- return -ENOSYS;
-}
-
-static int iwch_process_mad(struct ib_device *ibdev,
- int mad_flags,
- u8 port_num,
- const struct ib_wc *in_wc,
- const struct ib_grh *in_grh,
- const struct ib_mad_hdr *in_mad,
- size_t in_mad_size,
- struct ib_mad_hdr *out_mad,
- size_t *out_mad_size,
- u16 *out_mad_pkey_index)
-{
- return -ENOSYS;
-}
-
static int iwch_dealloc_ucontext(struct ib_ucontext *context)
{
struct iwch_dev *rhp = to_iwch_dev(context->device);
@@ -1103,7 +1067,8 @@ static int iwch_query_device(struct ib_device *ibdev, struct ib_device_attr *pro
props->max_mr_size = dev->attr.max_mr_size;
props->max_qp = dev->attr.max_qps;
props->max_qp_wr = dev->attr.max_wrs;
- props->max_sge = dev->attr.max_sge_per_wr;
+ props->max_send_sge = dev->attr.max_sge_per_wr;
+ props->max_recv_sge = dev->attr.max_sge_per_wr;
props->max_sge_rd = 1;
props->max_qp_rd_atom = dev->attr.max_rdma_reads_per_qp;
props->max_qp_init_rd_atom = dev->attr.max_rdma_reads_per_qp;
@@ -1398,8 +1363,6 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.mmap = iwch_mmap;
dev->ibdev.alloc_pd = iwch_allocate_pd;
dev->ibdev.dealloc_pd = iwch_deallocate_pd;
- dev->ibdev.create_ah = iwch_ah_create;
- dev->ibdev.destroy_ah = iwch_ah_destroy;
dev->ibdev.create_qp = iwch_create_qp;
dev->ibdev.modify_qp = iwch_ib_modify_qp;
dev->ibdev.destroy_qp = iwch_destroy_qp;
@@ -1414,9 +1377,6 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.dealloc_mw = iwch_dealloc_mw;
dev->ibdev.alloc_mr = iwch_alloc_mr;
dev->ibdev.map_mr_sg = iwch_map_mr_sg;
- dev->ibdev.attach_mcast = iwch_multicast_attach;
- dev->ibdev.detach_mcast = iwch_multicast_detach;
- dev->ibdev.process_mad = iwch_process_mad;
dev->ibdev.req_notify_cq = iwch_arm_cq;
dev->ibdev.post_send = iwch_post_send;
dev->ibdev.post_recv = iwch_post_receive;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index 2e38ddefea8a..8adbe9658935 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -326,10 +326,10 @@ enum iwch_qp_query_flags {
};
u16 iwch_rqes_posted(struct iwch_qp *qhp);
-int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
- struct ib_send_wr **bad_wr);
-int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
- struct ib_recv_wr **bad_wr);
+int iwch_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
+ const struct ib_send_wr **bad_wr);
+int iwch_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
+ const struct ib_recv_wr **bad_wr);
int iwch_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg);
int iwch_post_zb_read(struct iwch_ep *ep);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 3871e1fd8395..c649faad63f9 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -39,8 +39,8 @@
#define NO_SUPPORT -1
-static int build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 * flit_cnt)
+static int build_rdma_send(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
int i;
u32 plen;
@@ -84,8 +84,8 @@ static int build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
-static int build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int build_rdma_write(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
int i;
u32 plen;
@@ -125,8 +125,8 @@ static int build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
-static int build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int build_rdma_read(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
if (wr->num_sge > 1)
return -EINVAL;
@@ -146,8 +146,8 @@ static int build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
-static int build_memreg(union t3_wr *wqe, struct ib_reg_wr *wr,
- u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq)
+static int build_memreg(union t3_wr *wqe, const struct ib_reg_wr *wr,
+ u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq)
{
struct iwch_mr *mhp = to_iwch_mr(wr->mr);
int i;
@@ -189,8 +189,8 @@ static int build_memreg(union t3_wr *wqe, struct ib_reg_wr *wr,
return 0;
}
-static int build_inv_stag(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int build_inv_stag(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
wqe->local_inv.stag = cpu_to_be32(wr->ex.invalidate_rkey);
wqe->local_inv.reserved = 0;
@@ -246,7 +246,7 @@ static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
}
static int build_rdma_recv(struct iwch_qp *qhp, union t3_wr *wqe,
- struct ib_recv_wr *wr)
+ const struct ib_recv_wr *wr)
{
int i, err = 0;
u32 pbl_addr[T3_MAX_SGE];
@@ -286,7 +286,7 @@ static int build_rdma_recv(struct iwch_qp *qhp, union t3_wr *wqe,
}
static int build_zero_stag_recv(struct iwch_qp *qhp, union t3_wr *wqe,
- struct ib_recv_wr *wr)
+ const struct ib_recv_wr *wr)
{
int i;
u32 pbl_addr;
@@ -348,8 +348,8 @@ static int build_zero_stag_recv(struct iwch_qp *qhp, union t3_wr *wqe,
return 0;
}
-int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
- struct ib_send_wr **bad_wr)
+int iwch_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
+ const struct ib_send_wr **bad_wr)
{
int err = 0;
u8 uninitialized_var(t3_wr_flit_cnt);
@@ -463,8 +463,8 @@ out:
return err;
}
-int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
- struct ib_recv_wr **bad_wr)
+int iwch_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
+ const struct ib_recv_wr **bad_wr)
{
int err = 0;
struct iwch_qp *qhp;
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