Commit 7f5192a8 authored by Konstantin Taranov's avatar Konstantin Taranov Committed by Leon Romanovsky
Browse files

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: default avatarKonstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1737394039-28772-6-git-send-email-kotaranov@linux.microsoft.com


Reviewed-by: default avatarShiraz Saleem <shirazsaleem@microsoft.com>
Reviewed-by: default avatarLong Li <longli@microsoft.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent bec127e4

drivers/infiniband/hw/mana/main.c

+58 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/infiniband/hw/mana/mana_ib.h

+49 −0
Original line number Diff line number Diff line
@@ -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