Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 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 | */ |
| 23 | |
| 24 | |
| 25 | #ifndef _CHANNEL_H_ |
| 26 | #define _CHANNEL_H_ |
| 27 | |
Greg Kroah-Hartman | 09d50ff | 2009-07-13 17:09:34 -0700 | [diff] [blame] | 28 | #include "include/osd.h" |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 29 | #include "ChannelMgmt.h" |
| 30 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 31 | /* The format must be the same as VMDATA_GPA_DIRECT */ |
Bill Pemberton | 0cf4fa8 | 2009-07-27 16:47:39 -0400 | [diff] [blame] | 32 | struct VMBUS_CHANNEL_PACKET_PAGE_BUFFER { |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 33 | u16 Type; |
| 34 | u16 DataOffset8; |
| 35 | u16 Length8; |
| 36 | u16 Flags; |
| 37 | u64 TransactionId; |
| 38 | u32 Reserved; |
| 39 | u32 RangeCount; |
| 40 | PAGE_BUFFER Range[MAX_PAGE_BUFFER_COUNT]; |
| 41 | } __attribute__((packed)); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 42 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 43 | /* The format must be the same as VMDATA_GPA_DIRECT */ |
Bill Pemberton | 3fcc523 | 2009-07-27 16:47:40 -0400 | [diff] [blame] | 44 | struct VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER { |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 45 | u16 Type; |
| 46 | u16 DataOffset8; |
| 47 | u16 Length8; |
| 48 | u16 Flags; |
| 49 | u64 TransactionId; |
| 50 | u32 Reserved; |
| 51 | u32 RangeCount; /* Always 1 in this case */ |
| 52 | MULTIPAGE_BUFFER Range; |
| 53 | } __attribute__((packed)); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 54 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 55 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 56 | extern int VmbusChannelOpen(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 57 | u32 SendRingBufferSize, |
| 58 | u32 RecvRingBufferSize, |
| 59 | void *UserData, |
| 60 | u32 UserDataLen, |
| 61 | PFN_CHANNEL_CALLBACK pfnOnChannelCallback, |
| 62 | void *Context); |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 63 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 64 | extern void VmbusChannelClose(struct vmbus_channel *channel); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 65 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 66 | extern int VmbusChannelSendPacket(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 67 | const void *Buffer, |
| 68 | u32 BufferLen, |
| 69 | u64 RequestId, |
| 70 | VMBUS_PACKET_TYPE Type, |
| 71 | u32 Flags); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 72 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 73 | extern int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 74 | PAGE_BUFFER PageBuffers[], |
| 75 | u32 PageCount, |
| 76 | void *Buffer, |
| 77 | u32 BufferLen, |
| 78 | u64 RequestId); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 79 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 80 | extern int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 81 | MULTIPAGE_BUFFER *MultiPageBuffer, |
| 82 | void *Buffer, |
| 83 | u32 BufferLen, |
| 84 | u64 RequestId); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 85 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 86 | extern int VmbusChannelEstablishGpadl(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 87 | void *Kbuffer, |
| 88 | u32 Size, |
| 89 | u32 *GpadlHandle); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 90 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 91 | extern int VmbusChannelTeardownGpadl(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 92 | u32 GpadlHandle); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 93 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 94 | extern int VmbusChannelRecvPacket(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 95 | void *Buffer, |
| 96 | u32 BufferLen, |
| 97 | u32 *BufferActualLen, |
| 98 | u64 *RequestId); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 99 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 100 | extern int VmbusChannelRecvPacketRaw(struct vmbus_channel *channel, |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 101 | void *Buffer, |
| 102 | u32 BufferLen, |
| 103 | u32 *BufferActualLen, |
| 104 | u64 *RequestId); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 105 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 106 | extern void VmbusChannelOnChannelEvent(struct vmbus_channel *channel); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 107 | |
Greg Kroah-Hartman | aded7165 | 2009-08-18 15:21:19 -0700 | [diff] [blame^] | 108 | extern void VmbusChannelGetDebugInfo(struct vmbus_channel *channel, |
| 109 | struct vmbus_channel_debug_info *debug); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 110 | |
Greg Kroah-Hartman | 46a0525 | 2009-08-17 17:21:31 -0700 | [diff] [blame] | 111 | extern void VmbusChannelOnTimer(unsigned long data); |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 112 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 113 | #endif /* _CHANNEL_H_ */ |