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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright 2008 Cisco Systems, Inc. All rights reserved.4 * Copyright 2007 Nuova Systems, Inc. All rights reserved.5 */6#ifndef _VNIC_CQ_COPY_H_7#define _VNIC_CQ_COPY_H_8 9#include "fcpio.h"10 11static inline unsigned int vnic_cq_copy_service(12 struct vnic_cq *cq,13 int (*q_service)(struct vnic_dev *vdev,14 unsigned int index,15 struct fcpio_fw_req *desc),16 unsigned int work_to_do)17 18{19 struct fcpio_fw_req *desc;20 unsigned int work_done = 0;21 u8 color;22 23 desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +24 cq->ring.desc_size * cq->to_clean);25 fcpio_color_dec(desc, &color);26 27 while (color != cq->last_color) {28 29 if ((*q_service)(cq->vdev, cq->index, desc))30 break;31 32 cq->to_clean++;33 if (cq->to_clean == cq->ring.desc_count) {34 cq->to_clean = 0;35 cq->last_color = cq->last_color ? 0 : 1;36 }37 38 desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +39 cq->ring.desc_size * cq->to_clean);40 fcpio_color_dec(desc, &color);41 42 work_done++;43 if (work_done >= work_to_do)44 break;45 }46 47 return work_done;48}49 50#endif /* _VNIC_CQ_COPY_H_ */51