162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* Copyright 2014 Cisco Systems, Inc. All rights reserved. */ 362306a36Sopenharmony_ci 462306a36Sopenharmony_ci#ifndef _VNIC_CQ_FW_H_ 562306a36Sopenharmony_ci#define _VNIC_CQ_FW_H_ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#include "snic_fwint.h" 862306a36Sopenharmony_ci 962306a36Sopenharmony_cistatic inline unsigned int 1062306a36Sopenharmony_civnic_cq_fw_service(struct vnic_cq *cq, 1162306a36Sopenharmony_ci int (*q_service)(struct vnic_dev *vdev, 1262306a36Sopenharmony_ci unsigned int index, 1362306a36Sopenharmony_ci struct snic_fw_req *desc), 1462306a36Sopenharmony_ci unsigned int work_to_do) 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci{ 1762306a36Sopenharmony_ci struct snic_fw_req *desc; 1862306a36Sopenharmony_ci unsigned int work_done = 0; 1962306a36Sopenharmony_ci u8 color; 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci desc = (struct snic_fw_req *)((u8 *)cq->ring.descs + 2262306a36Sopenharmony_ci cq->ring.desc_size * cq->to_clean); 2362306a36Sopenharmony_ci snic_color_dec(desc, &color); 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci while (color != cq->last_color) { 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci if ((*q_service)(cq->vdev, cq->index, desc)) 2862306a36Sopenharmony_ci break; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci cq->to_clean++; 3162306a36Sopenharmony_ci if (cq->to_clean == cq->ring.desc_count) { 3262306a36Sopenharmony_ci cq->to_clean = 0; 3362306a36Sopenharmony_ci cq->last_color = cq->last_color ? 0 : 1; 3462306a36Sopenharmony_ci } 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci desc = (struct snic_fw_req *)((u8 *)cq->ring.descs + 3762306a36Sopenharmony_ci cq->ring.desc_size * cq->to_clean); 3862306a36Sopenharmony_ci snic_color_dec(desc, &color); 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci work_done++; 4162306a36Sopenharmony_ci if (work_done >= work_to_do) 4262306a36Sopenharmony_ci break; 4362306a36Sopenharmony_ci } 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_ci return work_done; 4662306a36Sopenharmony_ci} 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci#endif /* _VNIC_CQ_FW_H_ */ 49