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authorKonstantin Taranov <kotaranov@microsoft.com>2025-01-20 09:27:18 -0800
committerLeon Romanovsky <leon@kernel.org>2025-02-04 08:27:03 -0500
commitcfef4525924e394005a47b02a78cde0f0318c74d (patch)
tree696c59aa4058f8eff1535eb4a7316c545ef95d28 /drivers/infiniband/hw/mana/mana_ib.h
parent8001e9257eca23264550ff9e34598ee43a80f0f9 (diff)
RDMA/mana_ib: polling of CQs for GSI/UD
Add polling for the kernel CQs. Process completion events for UD/GSI QPs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-13-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/mana/mana_ib.h')
-rw-r--r--drivers/infiniband/hw/mana/mana_ib.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index 5e4ca55b67b4..cd771af22b80 100644
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -127,6 +127,10 @@ struct mana_ib_mr {
struct mana_ib_cq {
struct ib_cq ibcq;
struct mana_ib_queue queue;
+ /* protects CQ polling */
+ spinlock_t cq_lock;
+ struct list_head list_send_qp;
+ struct list_head list_recv_qp;
int cqe;
u32 comp_vector;
mana_handle_t cq_handle;
@@ -169,6 +173,8 @@ struct mana_ib_qp {
/* The port on the IB device, starting with 1 */
u32 port;
+ struct list_head cq_send_list;
+ struct list_head cq_recv_list;
struct shadow_queue shadow_rq;
struct shadow_queue shadow_sq;
@@ -435,6 +441,31 @@ struct rdma_send_oob {
};
}; /* HW DATA */
+struct mana_rdma_cqe {
+ union {
+ struct {
+ u8 cqe_type;
+ u8 data[GDMA_COMP_DATA_SIZE - 1];
+ };
+ struct {
+ u32 cqe_type : 8;
+ u32 vendor_error : 9;
+ u32 reserved1 : 15;
+ u32 sge_offset : 5;
+ u32 tx_wqe_offset : 27;
+ } ud_send;
+ struct {
+ u32 cqe_type : 8;
+ u32 reserved1 : 24;
+ u32 msg_len;
+ u32 src_qpn : 24;
+ u32 reserved2 : 8;
+ u32 imm_data;
+ u32 rx_wqe_offset;
+ } ud_recv;
+ };
+}; /* HW DATA */
+
static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev)
{
return mdev->gdma_dev->gdma_context;
@@ -602,5 +633,6 @@ int mana_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
int mana_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
const struct ib_send_wr **bad_wr);
+int mana_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int mana_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
#endif