3 * Copyright (c) 2009, Microsoft Corporation.
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.
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
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.
19 * Haiyang Zhang <haiyangz@microsoft.com>
20 * Hank Janssen <hjanssen@microsoft.com>
23 #include <linux/kernel.h>
26 #include "vmbus_private.h"
28 static int ivmbus_open(struct hv_device *device, u32 sendbuffer_size,
29 u32 recv_ringbuffer_size, void *userdata,
31 void (*channel_callback)(void *context),
34 return vmbus_open(device->context, sendbuffer_size,
35 recv_ringbuffer_size, userdata, userdatalen,
36 channel_callback, context);
39 static void ivmbus_close(struct hv_device *device)
41 vmbus_close(device->context);
44 static int ivmbus_sendpacket(struct hv_device *device, const void *buffer,
45 u32 bufferlen, u64 requestid, u32 type,
48 return vmbus_sendpacket(device->context, buffer, bufferlen,
49 requestid, type, flags);
52 static int ivmbus_sendpacket_pagebuffer(struct hv_device *device,
53 struct hv_page_buffer pagebuffers[],
54 u32 pagecount, void *buffer,
55 u32 bufferlen, u64 requestid)
57 return vmbus_sendpacket_pagebuffer(device->context, pagebuffers,
58 pagecount, buffer, bufferlen,
62 static int ivmbus_sendpacket_multipagebuffer(struct hv_device *device,
63 struct hv_multipage_buffer *multi_pagebuffer,
64 void *buffer, u32 bufferlen, u64 requestid)
66 return vmbus_sendpacket_multipagebuffer(device->context,
67 multi_pagebuffer, buffer,
68 bufferlen, requestid);
71 static int ivmbus_recvpacket(struct hv_device *device, void *buffer,
72 u32 bufferlen, u32 *buffer_actuallen,
75 return vmbus_recvpacket(device->context, buffer, bufferlen,
76 buffer_actuallen, requestid);
79 static int ivmbus_recvpacket_raw(struct hv_device *device, void *buffer,
80 u32 bufferlen, u32 *buffer_actuallen,
83 return vmbus_recvpacket_raw(device->context, buffer, bufferlen,
84 buffer_actuallen, requestid);
87 static int ivmbus_establish_gpadl(struct hv_device *device, void *buffer,
88 u32 bufferlen, u32 *gpadl_handle)
90 return vmbus_establish_gpadl(device->context, buffer, bufferlen,
94 static int ivmbus_teardown_gpadl(struct hv_device *device,
97 return vmbus_teardown_gpadl(device->context, gpadl_handle);
101 /* vmbus interface function pointer table */
102 const struct vmbus_channel_interface vmbus_ops = {
104 .Close = ivmbus_close,
105 .SendPacket = ivmbus_sendpacket,
106 .SendPacketPageBuffer = ivmbus_sendpacket_pagebuffer,
107 .SendPacketMultiPageBuffer = ivmbus_sendpacket_multipagebuffer,
108 .RecvPacket = ivmbus_recvpacket,
109 .RecvPacketRaw = ivmbus_recvpacket_raw,
110 .EstablishGpadl = ivmbus_establish_gpadl,
111 .TeardownGpadl = ivmbus_teardown_gpadl,