qlogic/qed/qed_nvmetcp.c

32 static int qed_nvmetcp_async_event(struct qed_hwfn *p_hwfn, u8 fw_event_code,
36 	if (p_hwfn->p_nvmetcp_info->event_cb) {
37 		struct qed_nvmetcp_info *p_nvmetcp = p_hwfn->p_nvmetcp_info;
42 		DP_NOTICE(p_hwfn, "nvmetcp async completion is not set\n");
48 static int qed_sp_nvmetcp_func_start(struct qed_hwfn *p_hwfn,
65 	init_data.cid = qed_spq_get_cid(p_hwfn);
66 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
69 	rc = qed_sp_init_request(p_hwfn, &p_ent,
77 	p_params = &p_hwfn->pf_params.nvmetcp_pf_params;
82 	p_init->ll2_rx_queue_id = RESC_START(p_hwfn, QED_LL2_RAM_QUEUE) +
92 	val = RESC_START(p_hwfn, QED_CMDQS_CQS);
97 		val = qed_get_igu_sb_id(p_hwfn, i);
104 	p_queue->bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ);
111 	p_hwfn->p_nvmetcp_info->event_context = event_context;
112 	p_hwfn->p_nvmetcp_info->event_cb = async_event_cb;
113 	qed_spq_register_async_cb(p_hwfn, PROTOCOLID_TCP_ULP,
116 	return qed_spq_post(p_hwfn, p_ent, NULL);
119 static int qed_sp_nvmetcp_func_stop(struct qed_hwfn *p_hwfn,
129 	init_data.cid = qed_spq_get_cid(p_hwfn);
130 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
133 	rc = qed_sp_init_request(p_hwfn, &p_ent,
139 	rc = qed_spq_post(p_hwfn, p_ent, NULL);
140 	qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_TCP_ULP);
266 static int qed_sp_nvmetcp_conn_offload(struct qed_hwfn *p_hwfn,
284 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
287 	rc = qed_sp_init_request(p_hwfn, &p_ent,
296 	physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
301 	physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_ACK);
353 	return qed_spq_post(p_hwfn, p_ent, NULL);
356 static int qed_sp_nvmetcp_conn_update(struct qed_hwfn *p_hwfn,
370 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
374 	rc = qed_sp_init_request(p_hwfn, &p_ent,
390 	return qed_spq_post(p_hwfn, p_ent, NULL);
393 static int qed_sp_nvmetcp_conn_terminate(struct qed_hwfn *p_hwfn,
406 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
409 	rc = qed_sp_init_request(p_hwfn, &p_ent,
419 	return qed_spq_post(p_hwfn, p_ent, NULL);
422 static int qed_sp_nvmetcp_conn_clear_sq(struct qed_hwfn *p_hwfn,
434 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
437 	rc = qed_sp_init_request(p_hwfn, &p_ent,
443 	return qed_spq_post(p_hwfn, p_ent, NULL);
446 static void __iomem *qed_nvmetcp_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid)
448 	return (u8 __iomem *)p_hwfn->doorbells +
452 static int qed_nvmetcp_allocate_connection(struct qed_hwfn *p_hwfn,
465 	spin_lock_bh(&p_hwfn->p_nvmetcp_info->lock);
466 	if (!list_empty(&p_hwfn->p_nvmetcp_info->free_list))
467 		p_conn = list_first_entry(&p_hwfn->p_nvmetcp_info->free_list,
471 		spin_unlock_bh(&p_hwfn->p_nvmetcp_info->lock);
476 	spin_unlock_bh(&p_hwfn->p_nvmetcp_info->lock);
479 	p_params = &p_hwfn->pf_params.nvmetcp_pf_params;
487 	rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->r2tq, &params);
494 	rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->uhq, &params);
499 	rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->xhq, &params);
509 	qed_chain_free(p_hwfn->cdev, &p_conn->uhq);
511 	qed_chain_free(p_hwfn->cdev, &p_conn->r2tq);
518 static int qed_nvmetcp_acquire_connection(struct qed_hwfn *p_hwfn,
525 	spin_lock_bh(&p_hwfn->p_nvmetcp_info->lock);
526 	rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_TCP_ULP, &icid);
527 	spin_unlock_bh(&p_hwfn->p_nvmetcp_info->lock);
532 	rc = qed_nvmetcp_allocate_connection(p_hwfn, &p_conn);
534 		spin_lock_bh(&p_hwfn->p_nvmetcp_info->lock);
535 		qed_cxt_release_cid(p_hwfn, icid);
536 		spin_unlock_bh(&p_hwfn->p_nvmetcp_info->lock);
543 	p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid;
549 static void qed_nvmetcp_release_connection(struct qed_hwfn *p_hwfn,
552 	spin_lock_bh(&p_hwfn->p_nvmetcp_info->lock);
553 	list_add_tail(&p_conn->list_entry, &p_hwfn->p_nvmetcp_info->free_list);
554 	qed_cxt_release_cid(p_hwfn, p_conn->icid);
555 	spin_unlock_bh(&p_hwfn->p_nvmetcp_info->lock);
558 static void qed_nvmetcp_free_connection(struct qed_hwfn *p_hwfn,
561 	qed_chain_free(p_hwfn->cdev, &p_conn->xhq);
562 	qed_chain_free(p_hwfn->cdev, &p_conn->uhq);
563 	qed_chain_free(p_hwfn->cdev, &p_conn->r2tq);
567 int qed_nvmetcp_alloc(struct qed_hwfn *p_hwfn)
576 	p_hwfn->p_nvmetcp_info = p_nvmetcp_info;
581 void qed_nvmetcp_setup(struct qed_hwfn *p_hwfn)
583 	spin_lock_init(&p_hwfn->p_nvmetcp_info->lock);
586 void qed_nvmetcp_free(struct qed_hwfn *p_hwfn)
590 	if (!p_hwfn->p_nvmetcp_info)
593 	while (!list_empty(&p_hwfn->p_nvmetcp_info->free_list)) {
594 		p_conn = list_first_entry(&p_hwfn->p_nvmetcp_info->free_list,
598 			qed_nvmetcp_free_connection(p_hwfn, p_conn);
602 	kfree(p_hwfn->p_nvmetcp_info);
603 	p_hwfn->p_nvmetcp_info = NULL;