diff options
Diffstat (limited to 'sys/dev/hyperv/netvsc/if_hnvar.h')
| -rw-r--r-- | sys/dev/hyperv/netvsc/if_hnvar.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sys/dev/hyperv/netvsc/if_hnvar.h b/sys/dev/hyperv/netvsc/if_hnvar.h new file mode 100644 index 0000000..6e5fb50 --- /dev/null +++ b/sys/dev/hyperv/netvsc/if_hnvar.h @@ -0,0 +1,83 @@ +/*- + * 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_ */ |
