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path: root/drivers/infiniband/hw/qib/qib_qp.c
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Diffstat (limited to 'drivers/infiniband/hw/qib/qib_qp.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_qp.c60
1 files changed, 46 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c
index 575b737d9..99d31efe4 100644
--- a/drivers/infiniband/hw/qib/qib_qp.c
+++ b/drivers/infiniband/hw/qib/qib_qp.c
@@ -41,14 +41,6 @@
#include "qib.h"
-/*
- * mask field which was present in now deleted qib_qpn_table
- * is not present in rvt_qpn_table. Defining the same field
- * as qpt_mask here instead of adding the mask field to
- * rvt_qpn_table.
- */
-u16 qpt_mask;
-
static inline unsigned mk_qpn(struct rvt_qpn_table *qpt,
struct rvt_qpn_map *map, unsigned off)
{
@@ -57,7 +49,7 @@ static inline unsigned mk_qpn(struct rvt_qpn_table *qpt,
static inline unsigned find_next_offset(struct rvt_qpn_table *qpt,
struct rvt_qpn_map *map, unsigned off,
- unsigned n)
+ unsigned n, u16 qpt_mask)
{
if (qpt_mask) {
off++;
@@ -106,6 +98,49 @@ static u32 credit_table[31] = {
32768 /* 1E */
};
+const struct rvt_operation_params qib_post_parms[RVT_OPERATION_MAX] = {
+[IB_WR_RDMA_WRITE] = {
+ .length = sizeof(struct ib_rdma_wr),
+ .qpt_support = BIT(IB_QPT_UC) | BIT(IB_QPT_RC),
+},
+
+[IB_WR_RDMA_READ] = {
+ .length = sizeof(struct ib_rdma_wr),
+ .qpt_support = BIT(IB_QPT_RC),
+ .flags = RVT_OPERATION_ATOMIC,
+},
+
+[IB_WR_ATOMIC_CMP_AND_SWP] = {
+ .length = sizeof(struct ib_atomic_wr),
+ .qpt_support = BIT(IB_QPT_RC),
+ .flags = RVT_OPERATION_ATOMIC | RVT_OPERATION_ATOMIC_SGE,
+},
+
+[IB_WR_ATOMIC_FETCH_AND_ADD] = {
+ .length = sizeof(struct ib_atomic_wr),
+ .qpt_support = BIT(IB_QPT_RC),
+ .flags = RVT_OPERATION_ATOMIC | RVT_OPERATION_ATOMIC_SGE,
+},
+
+[IB_WR_RDMA_WRITE_WITH_IMM] = {
+ .length = sizeof(struct ib_rdma_wr),
+ .qpt_support = BIT(IB_QPT_UC) | BIT(IB_QPT_RC),
+},
+
+[IB_WR_SEND] = {
+ .length = sizeof(struct ib_send_wr),
+ .qpt_support = BIT(IB_QPT_UD) | BIT(IB_QPT_SMI) | BIT(IB_QPT_GSI) |
+ BIT(IB_QPT_UC) | BIT(IB_QPT_RC),
+},
+
+[IB_WR_SEND_WITH_IMM] = {
+ .length = sizeof(struct ib_send_wr),
+ .qpt_support = BIT(IB_QPT_UD) | BIT(IB_QPT_SMI) | BIT(IB_QPT_GSI) |
+ BIT(IB_QPT_UC) | BIT(IB_QPT_RC),
+},
+
+};
+
static void get_map_page(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map,
gfp_t gfp)
{
@@ -136,6 +171,7 @@ int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
struct qib_ibdev *verbs_dev = container_of(rdi, struct qib_ibdev, rdi);
struct qib_devdata *dd = container_of(verbs_dev, struct qib_devdata,
verbs_dev);
+ u16 qpt_mask = dd->qpn_mask;
if (type == IB_QPT_SMI || type == IB_QPT_GSI) {
unsigned n;
@@ -172,7 +208,7 @@ int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
goto bail;
}
offset = find_next_offset(qpt, map, offset,
- dd->n_krcv_queues);
+ dd->n_krcv_queues, qpt_mask);
qpn = mk_qpn(qpt, map, offset);
/*
* This test differs from alloc_pidmap().
@@ -530,10 +566,6 @@ struct qib_qp_iter *qib_qp_iter_init(struct qib_ibdev *dev)
return NULL;
iter->dev = dev;
- if (qib_qp_iter_next(iter)) {
- kfree(iter);
- return NULL;
- }
return iter;
}