/* * Copyright 2014 Cisco Systems, Inc. All rights reserved. * * This program is free software; you may redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef _VNIC_CQ_FW_H_ #define _VNIC_CQ_FW_H_ #include "snic_fwint.h" static inline unsigned int vnic_cq_fw_service(struct vnic_cq *cq, int (*q_service)(struct vnic_dev *vdev, unsigned int index, struct snic_fw_req *desc), unsigned int work_to_do) { struct snic_fw_req *desc; unsigned int work_done = 0; u8 color; desc = (struct snic_fw_req *)((u8 *)cq->ring.descs + cq->ring.desc_size * cq->to_clean); snic_color_dec(desc, &color); while (color != cq->last_color) { if ((*q_service)(cq->vdev, cq->index, desc)) break; cq->to_clean++; if (cq->to_clean == cq->ring.desc_count) { cq->to_clean = 0; cq->last_color = cq->last_color ? 0 : 1; } desc = (struct snic_fw_req *)((u8 *)cq->ring.descs + cq->ring.desc_size * cq->to_clean); snic_color_dec(desc, &color); work_done++; if (work_done >= work_to_do) break; } return work_done; } #endif /* _VNIC_CQ_FW_H_ */