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50 lines
1.1 KiB
50 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright 2008 Cisco Systems, Inc. All rights reserved. |
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* Copyright 2007 Nuova Systems, Inc. All rights reserved. |
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*/ |
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#ifndef _VNIC_CQ_COPY_H_ |
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#define _VNIC_CQ_COPY_H_ |
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#include "fcpio.h" |
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static inline unsigned int vnic_cq_copy_service( |
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struct vnic_cq *cq, |
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int (*q_service)(struct vnic_dev *vdev, |
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unsigned int index, |
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struct fcpio_fw_req *desc), |
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unsigned int work_to_do) |
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{ |
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struct fcpio_fw_req *desc; |
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unsigned int work_done = 0; |
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u8 color; |
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desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs + |
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cq->ring.desc_size * cq->to_clean); |
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fcpio_color_dec(desc, &color); |
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while (color != cq->last_color) { |
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if ((*q_service)(cq->vdev, cq->index, desc)) |
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break; |
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cq->to_clean++; |
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if (cq->to_clean == cq->ring.desc_count) { |
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cq->to_clean = 0; |
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cq->last_color = cq->last_color ? 0 : 1; |
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} |
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desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs + |
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cq->ring.desc_size * cq->to_clean); |
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fcpio_color_dec(desc, &color); |
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work_done++; |
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if (work_done >= work_to_do) |
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break; |
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} |
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return work_done; |
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} |
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#endif /* _VNIC_CQ_COPY_H_ */
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