2 * Copyright (c) 2016 Microsoft Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include <sys/param.h>
34 #include <dev/hyperv/include/vmbus.h>
35 #include <dev/hyperv/netvsc/if_hnreg.h>
42 typedef void (*hn_sent_callback_t)
43 (struct hn_send_ctx *, struct hn_softc *,
44 struct vmbus_channel *, const void *, int);
47 hn_sent_callback_t hn_cb;
53 struct rndis_hash_info;
54 struct rndix_hash_value;
55 struct ndis_8021q_info_;
56 struct rndis_tcp_ip_csum_info_;
59 const struct ndis_8021q_info_ *vlan_info;
60 const struct rndis_tcp_ip_csum_info_ *csum_info;
61 const struct rndis_hash_info *hash_info;
62 const struct rndis_hash_value *hash_value;
65 #define HN_SEND_CTX_INITIALIZER(cb, cbarg) \
69 .hn_chim_idx = HN_NVS_CHIM_IDX_INVALID, \
74 hn_send_ctx_init(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
75 void *cbarg, uint32_t chim_idx, int chim_sz)
79 sndc->hn_cbarg = cbarg;
80 sndc->hn_chim_idx = chim_idx;
81 sndc->hn_chim_sz = chim_sz;
85 hn_send_ctx_init_simple(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
89 hn_send_ctx_init(sndc, cb, cbarg, HN_NVS_CHIM_IDX_INVALID, 0);
93 hn_nvs_send(struct vmbus_channel *chan, uint16_t flags,
94 void *nvs_msg, int nvs_msglen, struct hn_send_ctx *sndc)
97 return (vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, flags,
98 nvs_msg, nvs_msglen, (uint64_t)(uintptr_t)sndc));
102 hn_nvs_send_sglist(struct vmbus_channel *chan, struct vmbus_gpa sg[], int sglen,
103 void *nvs_msg, int nvs_msglen, struct hn_send_ctx *sndc)
106 return (vmbus_chan_send_sglist(chan, sg, sglen, nvs_msg, nvs_msglen,
107 (uint64_t)(uintptr_t)sndc));
112 const void *hn_nvs_xact_execute(struct hn_softc *sc,
113 struct vmbus_xact *xact, void *req, int reqlen,
115 void hn_nvs_sent_xact(struct hn_send_ctx *sndc, struct hn_softc *sc,
116 struct vmbus_channel *chan, const void *data, int dlen);
117 uint32_t hn_chim_alloc(struct hn_softc *sc);
118 void hn_chim_free(struct hn_softc *sc, uint32_t chim_idx);
120 extern struct hn_send_ctx hn_send_ctx_none;
122 #endif /* !_IF_HNVAR_H_ */