RDMA/mana_ib: Create and destroy UD/GSI QP

Implement HW requests to create and destroy UD/GSI QPs.
An UD/GSI QP has send and receive queues.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1737394039-28772-6-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>

diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index f2f6bb35204836647bfe9e1087ab6aad3d9360ba..b0c55cb80a8861ab2271e722f833ae46810323da 100644 (file)
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -1013,3 +1013,61 @@ int mana_ib_gd_destroy_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
        }
        return 0;
 }
+
+int mana_ib_gd_create_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp,
+                           struct ib_qp_init_attr *attr, u32 doorbell, u32 type)
+{
+       struct mana_ib_cq *send_cq = container_of(qp->ibqp.send_cq, struct mana_ib_cq, ibcq);
+       struct mana_ib_cq *recv_cq = container_of(qp->ibqp.recv_cq, struct mana_ib_cq, ibcq);
+       struct mana_ib_pd *pd = container_of(qp->ibqp.pd, struct mana_ib_pd, ibpd);
+       struct gdma_context *gc = mdev_to_gc(mdev);
+       struct mana_rnic_create_udqp_resp resp = {};
+       struct mana_rnic_create_udqp_req req = {};
+       int err, i;
+
+       mana_gd_init_req_hdr(&req.hdr, MANA_IB_CREATE_UD_QP, sizeof(req), sizeof(resp));
+       req.hdr.dev_id = gc->mana_ib.dev_id;
+       req.adapter = mdev->adapter_handle;
+       req.pd_handle = pd->pd_handle;
+       req.send_cq_handle = send_cq->cq_handle;
+       req.recv_cq_handle = recv_cq->cq_handle;
+       for (i = 0; i < MANA_UD_QUEUE_TYPE_MAX; i++)
+               req.dma_region[i] = qp->ud_qp.queues[i].gdma_region;
+       req.doorbell_page = doorbell;
+       req.max_send_wr = attr->cap.max_send_wr;
+       req.max_recv_wr = attr->cap.max_recv_wr;
+       req.max_send_sge = attr->cap.max_send_sge;
+       req.max_recv_sge = attr->cap.max_recv_sge;
+       req.qp_type = type;
+       err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
+       if (err) {
+               ibdev_err(&mdev->ib_dev, "Failed to create ud qp err %d", err);
+               return err;
+       }
+       qp->qp_handle = resp.qp_handle;
+       for (i = 0; i < MANA_UD_QUEUE_TYPE_MAX; i++) {
+               qp->ud_qp.queues[i].id = resp.queue_ids[i];
+               /* The GDMA regions are now owned by the RNIC QP handle */
+               qp->ud_qp.queues[i].gdma_region = GDMA_INVALID_DMA_REGION;
+       }
+       return 0;
+}
+
+int mana_ib_gd_destroy_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
+{
+       struct mana_rnic_destroy_udqp_resp resp = {0};
+       struct mana_rnic_destroy_udqp_req req = {0};
+       struct gdma_context *gc = mdev_to_gc(mdev);
+       int err;
+
+       mana_gd_init_req_hdr(&req.hdr, MANA_IB_DESTROY_UD_QP, sizeof(req), sizeof(resp));
+       req.hdr.dev_id = gc->mana_ib.dev_id;
+       req.adapter = mdev->adapter_handle;
+       req.qp_handle = qp->qp_handle;
+       err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
+       if (err) {
+               ibdev_err(&mdev->ib_dev, "Failed to destroy ud qp err %d", err);
+               return err;
+       }
+       return 0;
+}

diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index 79ebd95980061883d4d2b5e9e82732f7d764146f..5e470f15435d6cf33ff969cb267ef0dde9df9de1 100644 (file)
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -115,6 +115,17 @@ struct mana_ib_rc_qp {
        struct mana_ib_queue queues[MANA_RC_QUEUE_TYPE_MAX];
 };
 
+enum mana_ud_queue_type {
+       MANA_UD_SEND_QUEUE = 0,
+       MANA_UD_RECV_QUEUE,
+       MANA_UD_QUEUE_TYPE_MAX,
+};
+
+struct mana_ib_ud_qp {
+       struct mana_ib_queue queues[MANA_UD_QUEUE_TYPE_MAX];
+       u32 sq_psn;
+};
+
 struct mana_ib_qp {
        struct ib_qp ibqp;
 
@@ -122,6 +133,7 @@ struct mana_ib_qp {
        union {
                struct mana_ib_queue raw_sq;
                struct mana_ib_rc_qp rc_qp;
+               struct mana_ib_ud_qp ud_qp;
        };
 
        /* The port on the IB device, starting with 1 */
@@ -146,6 +158,8 @@ enum mana_ib_command_code {
        MANA_IB_DESTROY_ADAPTER = 0x30003,
        MANA_IB_CONFIG_IP_ADDR  = 0x30004,
        MANA_IB_CONFIG_MAC_ADDR = 0x30005,
+       MANA_IB_CREATE_UD_QP    = 0x30006,
+       MANA_IB_DESTROY_UD_QP   = 0x30007,
        MANA_IB_CREATE_CQ       = 0x30008,
        MANA_IB_DESTROY_CQ      = 0x30009,
        MANA_IB_CREATE_RC_QP    = 0x3000a,
@@ -297,6 +311,37 @@ struct mana_rnic_destroy_rc_qp_resp {
        struct gdma_resp_hdr hdr;
 }; /* HW Data */
 
+struct mana_rnic_create_udqp_req {
+       struct gdma_req_hdr hdr;
+       mana_handle_t adapter;
+       mana_handle_t pd_handle;
+       mana_handle_t send_cq_handle;
+       mana_handle_t recv_cq_handle;
+       u64 dma_region[MANA_UD_QUEUE_TYPE_MAX];
+       u32 qp_type;
+       u32 doorbell_page;
+       u32 max_send_wr;
+       u32 max_recv_wr;
+       u32 max_send_sge;
+       u32 max_recv_sge;
+}; /* HW Data */
+
+struct mana_rnic_create_udqp_resp {
+       struct gdma_resp_hdr hdr;
+       mana_handle_t qp_handle;
+       u32 queue_ids[MANA_UD_QUEUE_TYPE_MAX];
+}; /* HW Data*/
+
+struct mana_rnic_destroy_udqp_req {
+       struct gdma_req_hdr hdr;
+       mana_handle_t adapter;
+       mana_handle_t qp_handle;
+}; /* HW Data */
+
+struct mana_rnic_destroy_udqp_resp {
+       struct gdma_resp_hdr hdr;
+}; /* HW Data */
+
 struct mana_ib_ah_attr {
        u8 src_addr[16];
        u8 dest_addr[16];
@@ -483,4 +528,8 @@ int mana_ib_gd_destroy_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
 int mana_ib_gd_create_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp,
                            struct ib_qp_init_attr *attr, u32 doorbell, u64 flags);
 int mana_ib_gd_destroy_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp);
+
+int mana_ib_gd_create_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp,
+                           struct ib_qp_init_attr *attr, u32 doorbell, u32 type);
+int mana_ib_gd_destroy_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp);
 #endif