2 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
18 #ifndef _VNIC_CQ_COPY_H_
19 #define _VNIC_CQ_COPY_H_
23 static inline unsigned int vnic_cq_copy_service(
25 int (*q_service)(struct vnic_dev *vdev,
27 struct fcpio_fw_req *desc),
28 unsigned int work_to_do)
31 struct fcpio_fw_req *desc;
32 unsigned int work_done = 0;
35 desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
36 cq->ring.desc_size * cq->to_clean);
37 fcpio_color_dec(desc, &color);
39 while (color != cq->last_color) {
41 if ((*q_service)(cq->vdev, cq->index, desc))
45 if (cq->to_clean == cq->ring.desc_count) {
47 cq->last_color = cq->last_color ? 0 : 1;
50 desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
51 cq->ring.desc_size * cq->to_clean);
52 fcpio_color_dec(desc, &color);
55 if (work_done >= work_to_do)
62 #endif /* _VNIC_CQ_COPY_H_ */