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550bbdbd27
MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7624
120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
/*-
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* Copyright (c) 2016 Microsoft Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _IF_HNVAR_H_
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#define _IF_HNVAR_H_
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#include <sys/param.h>
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#include <dev/hyperv/include/vmbus.h>
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#include <dev/hyperv/netvsc/if_hnreg.h>
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struct hn_softc;
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struct vmbus_channel;
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struct hn_send_ctx;
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typedef void (*hn_sent_callback_t)
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(struct hn_send_ctx *, struct hn_softc *,
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struct vmbus_channel *, const void *, int);
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struct hn_send_ctx {
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hn_sent_callback_t hn_cb;
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void *hn_cbarg;
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uint32_t hn_chim_idx;
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int hn_chim_sz;
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};
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struct rndis_hash_info;
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struct rndix_hash_value;
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struct ndis_8021q_info_;
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struct rndis_tcp_ip_csum_info_;
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struct hn_recvinfo {
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const struct ndis_8021q_info_ *vlan_info;
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const struct rndis_tcp_ip_csum_info_ *csum_info;
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const struct rndis_hash_info *hash_info;
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const struct rndis_hash_value *hash_value;
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};
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#define HN_SEND_CTX_INITIALIZER(cb, cbarg) \
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{ \
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.hn_cb = cb, \
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.hn_cbarg = cbarg, \
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.hn_chim_idx = HN_NVS_CHIM_IDX_INVALID, \
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.hn_chim_sz = 0 \
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}
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static __inline void
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hn_send_ctx_init(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
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void *cbarg, uint32_t chim_idx, int chim_sz)
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{
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sndc->hn_cb = cb;
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sndc->hn_cbarg = cbarg;
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sndc->hn_chim_idx = chim_idx;
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sndc->hn_chim_sz = chim_sz;
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}
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static __inline void
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hn_send_ctx_init_simple(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
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void *cbarg)
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{
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hn_send_ctx_init(sndc, cb, cbarg, HN_NVS_CHIM_IDX_INVALID, 0);
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}
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static __inline int
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hn_nvs_send(struct vmbus_channel *chan, uint16_t flags,
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void *nvs_msg, int nvs_msglen, struct hn_send_ctx *sndc)
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{
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return (vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, flags,
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nvs_msg, nvs_msglen, (uint64_t)(uintptr_t)sndc));
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}
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static __inline int
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hn_nvs_send_sglist(struct vmbus_channel *chan, struct vmbus_gpa sg[], int sglen,
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void *nvs_msg, int nvs_msglen, struct hn_send_ctx *sndc)
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{
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return (vmbus_chan_send_sglist(chan, sg, sglen, nvs_msg, nvs_msglen,
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(uint64_t)(uintptr_t)sndc));
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}
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struct vmbus_xact;
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const void *hn_nvs_xact_execute(struct hn_softc *sc,
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struct vmbus_xact *xact, void *req, int reqlen,
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size_t *resp_len);
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uint32_t hn_chim_alloc(struct hn_softc *sc);
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void hn_chim_free(struct hn_softc *sc, uint32_t chim_idx);
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extern struct hn_send_ctx hn_send_ctx_none;
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#endif /* !_IF_HNVAR_H_ */
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