Add private members to user/kernel wc struct to carry
extensions used by cq_ex.
Add timestamps on completion.
Add ignore overrun support.
Add commands to user API bitmasks.
Signed-off-by: Bob Pearson <rpearson@xxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_comp.c | 7 ++++-
drivers/infiniband/sw/rxe/rxe_resp.c | 8 +++++-
drivers/infiniband/sw/rxe/rxe_verbs.c | 10 ++++---
drivers/infiniband/sw/rxe/rxe_verbs.h | 3 ++-
include/uapi/rdma/rdma_user_rxe.h | 38 ++++++++++++++++++++++-----
5 files changed, 52 insertions(+), 14 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index 8b81d3b24a8a..72745ffcf118 100644
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -390,7 +390,7 @@ static void make_send_cqe(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
wc->byte_len = wqe->dma.length;
wc->qp = &qp->ibqp;
} else {
- struct ib_uverbs_wc *uwc = &cqe->uibwc;
+ struct rxe_uverbs_wc *uwc = &cqe->ruwc;
uwc->wr_id = wqe->wr.wr_id;
uwc->status = wqe->status;
@@ -400,6 +400,11 @@ static void make_send_cqe(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
uwc->wc_flags = IB_WC_WITH_IMM;
uwc->byte_len = wqe->dma.length;
uwc->qp_num = qp->ibqp.qp_num;
+ if (qp->scq->flags &
+ IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) {
+ uwc->timestamp = (u64)ktime_get();
+ uwc->realtime = (u64)ktime_get_real();
+ }
}
}
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 2aae311f9063..58d3783063bb 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -887,7 +887,7 @@ static enum resp_states do_complete(struct rxe_qp *qp,
{
struct rxe_cqe cqe;
struct ib_wc *wc = &cqe.ibwc;
- struct ib_uverbs_wc *uwc = &cqe.uibwc;
+ struct rxe_uverbs_wc *uwc = &cqe.ruwc;
struct rxe_recv_wqe *wqe = qp->resp.wqe;
struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
@@ -943,6 +943,12 @@ static enum resp_states do_complete(struct rxe_qp *qp,
uwc->src_qp = deth_sqp(pkt);
uwc->port_num = qp->attr.port_num;
+
+ if (qp->rcq->flags &
+ IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) {
+ uwc->timestamp = (u64)ktime_get();
+ uwc->realtime = (u64)ktime_get_real();
+ }
} else {
struct sk_buff *skb = PKT_TO_SKB(pkt);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 2695b286cd8e..6be0aa9cf1f3 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -749,7 +749,8 @@ static int rxe_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
return err;
}
-static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+static int rxe_create_cq(struct ib_cq *ibcq,
+ const struct ib_cq_init_attr *attr,
struct ib_udata *udata)
{
int err;
@@ -764,13 +765,12 @@ static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
uresp = udata->outbuf;
}
- if (attr->flags)
- return -EINVAL;
-
err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector);
if (err)
return err;
+ cq->flags = attr->flags;
+
err = rxe_cq_from_init(rxe, cq, attr->cqe, attr->comp_vector, udata,
uresp);
if (err)
@@ -1188,6 +1188,8 @@ int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
dev->uverbs_ex_cmd_mask =
BIT_ULL(IB_USER_VERBS_EX_CMD_QUERY_DEVICE)
+ | BIT_ULL(IB_USER_VERBS_EX_CMD_CREATE_CQ)
+ | BIT_ULL(IB_USER_VERBS_EX_CMD_MODIFY_CQ)
;
ib_set_device_ops(dev, &rxe_dev_ops);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index e8d9c8388345..54429d8a06fb 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -53,7 +53,7 @@ struct rxe_ah {
struct rxe_cqe {
union {
struct ib_wc ibwc;
- struct ib_uverbs_wc uibwc;
+ struct rxe_uverbs_wc ruwc;
};
};
@@ -62,6 +62,7 @@ struct rxe_cq {
struct rxe_pool_entry pelem;
struct rxe_queue *queue;
spinlock_t cq_lock;
+ u32 flags;
u8 notify;
bool is_dying;
int is_user;
diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h
index d49125682359..95352e050ab4 100644
--- a/include/uapi/rdma/rdma_user_rxe.h
+++ b/include/uapi/rdma/rdma_user_rxe.h
@@ -98,29 +98,27 @@ struct rxe_send_wr {
__aligned_u64 length;
union {
__u32 mr_index;
- __aligned_u64 reserved1;
+ __aligned_u64 pad1;
};
union {
__u32 mw_index;
- __aligned_u64 reserved2;
+ __aligned_u64 pad2;
};
__u32 rkey;
__u32 access;
__u32 flags;
} umw;
- /* The following are only used by the kernel
- * and are not part of the uapi
- */
+ /* below are only used by the kernel */
struct {
__aligned_u64 addr;
__aligned_u64 length;
union {
struct ib_mr *mr;
- __aligned_u64 reserved1;
+ __aligned_u64 reserved1;
};
union {
struct ib_mw *mw;
- __aligned_u64 reserved2;
+ __aligned_u64 reserved2;
};
__u32 rkey;
__u32 access;
@@ -184,6 +182,32 @@ struct rxe_recv_wqe {
struct rxe_dma_info dma;
};
+struct rxe_uverbs_wc {
+ /* keep these the same as ib_uverbs_wc */
+ __aligned_u64 wr_id;
+ __u32 status;
+ __u32 opcode;
+ __u32 vendor_err;
+ __u32 byte_len;
+ union {
+ __be32 imm_data;
+ __u32 invalidate_rkey;
+ } ex;
+ __u32 qp_num;
+ __u32 src_qp;
+ __u32 wc_flags;
+ __u16 pkey_index;
+ __u16 slid;
+ __u8 sl;
+ __u8 dlid_path_bits;
+ __u8 port_num;
+ __u8 reserved;
+
+ /* any extras go here */
+ __aligned_u64 timestamp;
+ __aligned_u64 realtime;
+};
+
struct rxe_create_cq_resp {
struct mminfo mi;
};
--
2.25.1
