]>
Commit | Line | Data |
---|---|---|
3e7ee490 HJ |
1 | /* |
2 | * | |
3 | * Copyright (c) 2009, Microsoft Corporation. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms and conditions of the GNU General Public License, | |
7 | * version 2, as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
16 | * Place - Suite 330, Boston, MA 02111-1307 USA. | |
17 | * | |
18 | * Authors: | |
19 | * Haiyang Zhang <haiyangz@microsoft.com> | |
20 | * Hank Janssen <hjanssen@microsoft.com> | |
21 | * | |
22 | */ | |
a0086dc5 GKH |
23 | #include <linux/kernel.h> |
24 | #include <linux/mm.h> | |
4983b39a | 25 | #include "osd.h" |
72daf320 | 26 | #include "vmbus_private.h" |
3e7ee490 | 27 | |
53e4f1e6 | 28 | static int ivmbus_open(struct hv_device *device, u32 sendbuffer_size, |
9de050c4 HZ |
29 | u32 recv_ringbuffer_size, void *userdata, |
30 | u32 userdatalen, | |
31 | void (*channel_callback)(void *context), | |
32 | void *context) | |
3e7ee490 | 33 | { |
cae5b843 | 34 | return vmbus_open(device->channel, sendbuffer_size, |
9de050c4 HZ |
35 | recv_ringbuffer_size, userdata, userdatalen, |
36 | channel_callback, context); | |
3e7ee490 HJ |
37 | } |
38 | ||
53e4f1e6 | 39 | static void ivmbus_close(struct hv_device *device) |
3e7ee490 | 40 | { |
cae5b843 | 41 | vmbus_close(device->channel); |
3e7ee490 HJ |
42 | } |
43 | ||
53e4f1e6 | 44 | static int ivmbus_sendpacket(struct hv_device *device, const void *buffer, |
9de050c4 HZ |
45 | u32 bufferlen, u64 requestid, u32 type, |
46 | u32 flags) | |
3e7ee490 | 47 | { |
cae5b843 | 48 | return vmbus_sendpacket(device->channel, buffer, bufferlen, |
9de050c4 | 49 | requestid, type, flags); |
3e7ee490 HJ |
50 | } |
51 | ||
53e4f1e6 | 52 | static int ivmbus_sendpacket_pagebuffer(struct hv_device *device, |
9de050c4 HZ |
53 | struct hv_page_buffer pagebuffers[], |
54 | u32 pagecount, void *buffer, | |
55 | u32 bufferlen, u64 requestid) | |
3e7ee490 | 56 | { |
cae5b843 | 57 | return vmbus_sendpacket_pagebuffer(device->channel, pagebuffers, |
9de050c4 HZ |
58 | pagecount, buffer, bufferlen, |
59 | requestid); | |
3e7ee490 HJ |
60 | } |
61 | ||
53e4f1e6 | 62 | static int ivmbus_sendpacket_multipagebuffer(struct hv_device *device, |
9de050c4 HZ |
63 | struct hv_multipage_buffer *multi_pagebuffer, |
64 | void *buffer, u32 bufferlen, u64 requestid) | |
3e7ee490 | 65 | { |
cae5b843 | 66 | return vmbus_sendpacket_multipagebuffer(device->channel, |
9de050c4 HZ |
67 | multi_pagebuffer, buffer, |
68 | bufferlen, requestid); | |
3e7ee490 HJ |
69 | } |
70 | ||
53e4f1e6 | 71 | static int ivmbus_recvpacket(struct hv_device *device, void *buffer, |
9de050c4 HZ |
72 | u32 bufferlen, u32 *buffer_actuallen, |
73 | u64 *requestid) | |
3e7ee490 | 74 | { |
cae5b843 | 75 | return vmbus_recvpacket(device->channel, buffer, bufferlen, |
9de050c4 | 76 | buffer_actuallen, requestid); |
3e7ee490 HJ |
77 | } |
78 | ||
53e4f1e6 | 79 | static int ivmbus_recvpacket_raw(struct hv_device *device, void *buffer, |
9de050c4 HZ |
80 | u32 bufferlen, u32 *buffer_actuallen, |
81 | u64 *requestid) | |
3e7ee490 | 82 | { |
cae5b843 | 83 | return vmbus_recvpacket_raw(device->channel, buffer, bufferlen, |
9de050c4 | 84 | buffer_actuallen, requestid); |
3e7ee490 HJ |
85 | } |
86 | ||
9e795a52 HZ |
87 | /* vmbus interface function pointer table */ |
88 | const struct vmbus_channel_interface vmbus_ops = { | |
53e4f1e6 HZ |
89 | .Open = ivmbus_open, |
90 | .Close = ivmbus_close, | |
91 | .SendPacket = ivmbus_sendpacket, | |
92 | .SendPacketPageBuffer = ivmbus_sendpacket_pagebuffer, | |
93 | .SendPacketMultiPageBuffer = ivmbus_sendpacket_multipagebuffer, | |
94 | .RecvPacket = ivmbus_recvpacket, | |
95 | .RecvPacketRaw = ivmbus_recvpacket_raw, | |
9e795a52 | 96 | }; |