From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/scsi/snic/vnic_cq_fw.h | 48 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 drivers/scsi/snic/vnic_cq_fw.h (limited to 'drivers/scsi/snic/vnic_cq_fw.h') diff --git a/drivers/scsi/snic/vnic_cq_fw.h b/drivers/scsi/snic/vnic_cq_fw.h new file mode 100644 index 0000000000..d74954bc70 --- /dev/null +++ b/drivers/scsi/snic/vnic_cq_fw.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright 2014 Cisco Systems, Inc. All rights reserved. */ + +#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_ */ -- cgit v1.2.3