From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/infiniband/hw/amso1100/c2_vq.h | 63 ++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 drivers/infiniband/hw/amso1100/c2_vq.h (limited to 'drivers/infiniband/hw/amso1100/c2_vq.h') diff --git a/drivers/infiniband/hw/amso1100/c2_vq.h b/drivers/infiniband/hw/amso1100/c2_vq.h new file mode 100644 index 000000000..33805627a --- /dev/null +++ b/drivers/infiniband/hw/amso1100/c2_vq.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2005 Ammasso, Inc. All rights reserved. + * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - 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. + * + * 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 _C2_VQ_H_ +#define _C2_VQ_H_ +#include +#include "c2.h" +#include "c2_wr.h" +#include "c2_provider.h" + +struct c2_vq_req { + u64 reply_msg; /* ptr to reply msg */ + wait_queue_head_t wait_object; /* wait object for vq reqs */ + atomic_t reply_ready; /* set when reply is ready */ + atomic_t refcnt; /* used to cancel WRs... */ + int event; + struct iw_cm_id *cm_id; + struct c2_qp *qp; +}; + +extern int vq_init(struct c2_dev *c2dev); +extern void vq_term(struct c2_dev *c2dev); + +extern struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev); +extern void vq_req_free(struct c2_dev *c2dev, struct c2_vq_req *req); +extern void vq_req_get(struct c2_dev *c2dev, struct c2_vq_req *req); +extern void vq_req_put(struct c2_dev *c2dev, struct c2_vq_req *req); +extern int vq_send_wr(struct c2_dev *c2dev, union c2wr * wr); + +extern void *vq_repbuf_alloc(struct c2_dev *c2dev); +extern void vq_repbuf_free(struct c2_dev *c2dev, void *reply); + +extern int vq_wait_for_reply(struct c2_dev *c2dev, struct c2_vq_req *req); +#endif /* _C2_VQ_H_ */ -- cgit v1.2.3-54-g00ecf