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 | |
| 31 | #pragma pack(push,1) |
| 32 | |
| 33 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 34 | /* The format must be the same as VMDATA_GPA_DIRECT */ |
Bill Pemberton | 0cf4fa8 | 2009-07-27 16:47:39 -0400 | [diff] [blame^] | 35 | struct VMBUS_CHANNEL_PACKET_PAGE_BUFFER { |
Greg Kroah-Hartman | 5cd508b | 2009-07-14 15:09:10 -0700 | [diff] [blame] | 36 | u16 Type; |
| 37 | u16 DataOffset8; |
| 38 | u16 Length8; |
| 39 | u16 Flags; |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 40 | u64 TransactionId; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 41 | u32 Reserved; |
| 42 | u32 RangeCount; |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 43 | PAGE_BUFFER Range[MAX_PAGE_BUFFER_COUNT]; |
Bill Pemberton | 0cf4fa8 | 2009-07-27 16:47:39 -0400 | [diff] [blame^] | 44 | }; |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 45 | |
| 46 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 47 | /* The format must be the same as VMDATA_GPA_DIRECT */ |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 48 | typedef struct _VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER { |
Greg Kroah-Hartman | 5cd508b | 2009-07-14 15:09:10 -0700 | [diff] [blame] | 49 | u16 Type; |
| 50 | u16 DataOffset8; |
| 51 | u16 Length8; |
| 52 | u16 Flags; |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 53 | u64 TransactionId; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 54 | u32 Reserved; |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 55 | u32 RangeCount; /* Always 1 in this case */ |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 56 | MULTIPAGE_BUFFER Range; |
| 57 | } VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER; |
| 58 | |
| 59 | #pragma pack(pop) |
| 60 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 61 | |
| 62 | /* Routines */ |
| 63 | |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 64 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 65 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 66 | VmbusChannelOpen( |
| 67 | VMBUS_CHANNEL *Channel, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 68 | u32 SendRingBufferSize, |
| 69 | u32 RecvRingBufferSize, |
Greg Kroah-Hartman | 8282c40 | 2009-07-14 15:06:28 -0700 | [diff] [blame] | 70 | void * UserData, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 71 | u32 UserDataLen, |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 72 | PFN_CHANNEL_CALLBACK pfnOnChannelCallback, |
Greg Kroah-Hartman | 8282c40 | 2009-07-14 15:06:28 -0700 | [diff] [blame] | 73 | void * Context |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 74 | ); |
| 75 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 76 | static void |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 77 | VmbusChannelClose( |
| 78 | VMBUS_CHANNEL *Channel |
| 79 | ); |
| 80 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 81 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 82 | VmbusChannelSendPacket( |
| 83 | VMBUS_CHANNEL *Channel, |
Greg Kroah-Hartman | 8282c40 | 2009-07-14 15:06:28 -0700 | [diff] [blame] | 84 | const void * Buffer, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 85 | u32 BufferLen, |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 86 | u64 RequestId, |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 87 | VMBUS_PACKET_TYPE Type, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 88 | u32 Flags |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 89 | ); |
| 90 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 91 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 92 | VmbusChannelSendPacketPageBuffer( |
| 93 | VMBUS_CHANNEL *Channel, |
| 94 | PAGE_BUFFER PageBuffers[], |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 95 | u32 PageCount, |
Greg Kroah-Hartman | 8282c40 | 2009-07-14 15:06:28 -0700 | [diff] [blame] | 96 | void * Buffer, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 97 | u32 BufferLen, |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 98 | u64 RequestId |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 99 | ); |
| 100 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 101 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 102 | VmbusChannelSendPacketMultiPageBuffer( |
| 103 | VMBUS_CHANNEL *Channel, |
| 104 | MULTIPAGE_BUFFER *MultiPageBuffer, |
Greg Kroah-Hartman | 8282c40 | 2009-07-14 15:06:28 -0700 | [diff] [blame] | 105 | void * Buffer, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 106 | u32 BufferLen, |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 107 | u64 RequestId |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 108 | ); |
| 109 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 110 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 111 | VmbusChannelEstablishGpadl( |
| 112 | VMBUS_CHANNEL *Channel, |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 113 | void * Kbuffer, /* from kmalloc() */ |
| 114 | u32 Size, /* page-size multiple */ |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 115 | u32 *GpadlHandle |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 116 | ); |
| 117 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 118 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 119 | VmbusChannelTeardownGpadl( |
| 120 | VMBUS_CHANNEL *Channel, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 121 | u32 GpadlHandle |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 122 | ); |
| 123 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 124 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 125 | VmbusChannelRecvPacket( |
| 126 | VMBUS_CHANNEL *Channel, |
Greg Kroah-Hartman | 8282c40 | 2009-07-14 15:06:28 -0700 | [diff] [blame] | 127 | void * Buffer, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 128 | u32 BufferLen, |
| 129 | u32* BufferActualLen, |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 130 | u64* RequestId |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 131 | ); |
| 132 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 133 | static int |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 134 | VmbusChannelRecvPacketRaw( |
| 135 | VMBUS_CHANNEL *Channel, |
Greg Kroah-Hartman | 8282c40 | 2009-07-14 15:06:28 -0700 | [diff] [blame] | 136 | void * Buffer, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 137 | u32 BufferLen, |
| 138 | u32* BufferActualLen, |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 139 | u64* RequestId |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 140 | ); |
| 141 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 142 | static void |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 143 | VmbusChannelOnChannelEvent( |
| 144 | VMBUS_CHANNEL *Channel |
| 145 | ); |
| 146 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 147 | static void |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 148 | VmbusChannelGetDebugInfo( |
| 149 | VMBUS_CHANNEL *Channel, |
| 150 | VMBUS_CHANNEL_DEBUG_INFO *DebugInfo |
| 151 | ); |
| 152 | |
Greg Kroah-Hartman | 2be1301 | 2009-07-14 15:05:36 -0700 | [diff] [blame] | 153 | static void |
Hank Janssen | 3e7ee49 | 2009-07-13 16:02:34 -0700 | [diff] [blame] | 154 | VmbusChannelOnTimer( |
| 155 | void *Context |
| 156 | ); |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 157 | #endif /* _CHANNEL_H_ */ |