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/*-
* Copyright (c) 2016 Microsoft Corp.
* 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 unmodified, 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 AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _IF_HNVAR_H_
#define _IF_HNVAR_H_
#include <sys/param.h>
#include <dev/hyperv/netvsc/hv_net_vsc.h>
struct netvsc_dev_;
struct nvsp_msg_;
struct vmbus_channel;
struct hn_send_ctx;
typedef void (*hn_sent_callback_t)
(struct hn_send_ctx *, struct netvsc_dev_ *,
struct vmbus_channel *, const struct nvsp_msg_ *);
struct hn_send_ctx {
hn_sent_callback_t hn_cb;
void *hn_cbarg;
uint32_t hn_chim_idx;
int hn_chim_sz;
};
#define HN_SEND_CTX_INITIALIZER(cb, cbarg) \
{ \
.hn_cb = cb, \
.hn_cbarg = cbarg, \
.hn_chim_idx = NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX, \
.hn_chim_sz = 0 \
}
static __inline void
hn_send_ctx_init(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
void *cbarg, uint32_t chim_idx, int chim_sz)
{
sndc->hn_cb = cb;
sndc->hn_cbarg = cbarg;
sndc->hn_chim_idx = chim_idx;
sndc->hn_chim_sz = chim_sz;
}
static __inline void
hn_send_ctx_init_simple(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
void *cbarg)
{
hn_send_ctx_init(sndc, cb, cbarg,
NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX, 0);
}
void hn_nvs_sent_wakeup(struct hn_send_ctx *sndc,
struct netvsc_dev_ *net_dev, struct vmbus_channel *chan,
const struct nvsp_msg_ *msg);
void hn_chim_free(struct netvsc_dev_ *net_dev, uint32_t chim_idx);
#endif /* !_IF_HNVAR_H_ */
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