diff options
Diffstat (limited to 'drivers/net/enic/base/enic_vnic_wq.h')
| -rw-r--r-- | drivers/net/enic/base/enic_vnic_wq.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/drivers/net/enic/base/enic_vnic_wq.h b/drivers/net/enic/base/enic_vnic_wq.h deleted file mode 100644 index b0191093..00000000 --- a/drivers/net/enic/base/enic_vnic_wq.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright 2008-2015 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2015, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _ENIC_VNIC_WQ_H_ -#define _ENIC_VNIC_WQ_H_ - -#include "vnic_dev.h" -#include "vnic_cq.h" - -static inline void enic_vnic_post_wq_index(struct vnic_wq *wq) -{ - struct vnic_wq_buf *buf = wq->to_use; - - /* Adding write memory barrier prevents compiler and/or CPU - * reordering, thus avoiding descriptor posting before - * descriptor is initialized. Otherwise, hardware can read - * stale descriptor fields. - */ - wmb(); - iowrite32(buf->index, &wq->ctrl->posted_index); -} - -static inline void enic_vnic_post_wq(struct vnic_wq *wq, - void *os_buf, dma_addr_t dma_addr, - unsigned int len, int sop, - uint8_t desc_skip_cnt, uint8_t cq_entry, - uint8_t compressed_send, uint64_t wrid) -{ - struct vnic_wq_buf *buf = wq->to_use; - - buf->sop = sop; - buf->cq_entry = cq_entry; - buf->compressed_send = compressed_send; - buf->desc_skip_cnt = desc_skip_cnt; - buf->os_buf = os_buf; - buf->dma_addr = dma_addr; - buf->len = len; - buf->wr_id = wrid; - - buf = buf->next; - wq->ring.desc_avail -= desc_skip_cnt; - wq->to_use = buf; - - if (cq_entry) - enic_vnic_post_wq_index(wq); -} - -#endif /* _ENIC_VNIC_WQ_H_ */ |