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Staging: hv: add the Hyper-V driver header files

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These are the header files for the different Linux Hyper-V drivers to
use.

Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Hank Janssen 2009-07-13 15:19:28 -07:00 committed by Greg Kroah-Hartman
parent 565e7dc81d
commit ab05778195
6 changed files with 1052 additions and 0 deletions
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145
drivers/staging/hv/include/NetVscApi.h Normal file
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/*
*
* Copyright (c) 2009, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
*
*/
#ifndef _NETVSC_API_H_
#define _NETVSC_API_H_
#include "VmbusApi.h"
//
// Defines
//
#define NETVSC_DEVICE_RING_BUFFER_SIZE 64*PAGE_SIZE
#define HW_MACADDR_LEN 6
//
// Fwd declaration
//
typedef struct _NETVSC_PACKET *PNETVSC_PACKET;
//
// Data types
//
typedef int (*PFN_ON_OPEN)(DEVICE_OBJECT *Device);
typedef int (*PFN_ON_CLOSE)(DEVICE_OBJECT *Device);
typedef void (*PFN_QUERY_LINKSTATUS)(DEVICE_OBJECT *Device);
typedef int (*PFN_ON_SEND)(DEVICE_OBJECT *dev, PNETVSC_PACKET packet);
typedef void (*PFN_ON_SENDRECVCOMPLETION)(PVOID Context);
typedef int (*PFN_ON_RECVCALLBACK)(DEVICE_OBJECT *dev, PNETVSC_PACKET packet);
typedef void (*PFN_ON_LINKSTATUS_CHANGED)(DEVICE_OBJECT *dev, UINT32 Status);
// Represent the xfer page packet which contains 1 or more netvsc packet
typedef struct _XFERPAGE_PACKET {
DLIST_ENTRY ListEntry;
// # of netvsc packets this xfer packet contains
UINT32 Count;
} XFERPAGE_PACKET;
// The number of pages which are enough to cover jumbo frame buffer.
#define NETVSC_PACKET_MAXPAGE 4
// Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame within the RNDIS
typedef struct _NETVSC_PACKET {
// Bookkeeping stuff
DLIST_ENTRY ListEntry;
DEVICE_OBJECT *Device;
BOOL IsDataPacket;
// Valid only for receives when we break a xfer page packet into multiple netvsc packets
XFERPAGE_PACKET *XferPagePacket;
union {
struct{
UINT64 ReceiveCompletionTid;
PVOID ReceiveCompletionContext;
PFN_ON_SENDRECVCOMPLETION OnReceiveCompletion;
} Recv;
struct{
UINT64 SendCompletionTid;
PVOID SendCompletionContext;
PFN_ON_SENDRECVCOMPLETION OnSendCompletion;
} Send;
} Completion;
// This points to the memory after PageBuffers
PVOID Extension;
UINT32 TotalDataBufferLength;
// Points to the send/receive buffer where the ethernet frame is
UINT32 PageBufferCount;
PAGE_BUFFER PageBuffers[NETVSC_PACKET_MAXPAGE];
} NETVSC_PACKET;
// Represents the net vsc driver
typedef struct _NETVSC_DRIVER_OBJECT {
DRIVER_OBJECT Base; // Must be the first field
UINT32 RingBufferSize;
UINT32 RequestExtSize;
// Additional num of page buffers to allocate
UINT32 AdditionalRequestPageBufferCount;
// This is set by the caller to allow us to callback when we receive a packet
// from the "wire"
PFN_ON_RECVCALLBACK OnReceiveCallback;
PFN_ON_LINKSTATUS_CHANGED OnLinkStatusChanged;
// Specific to this driver
PFN_ON_OPEN OnOpen;
PFN_ON_CLOSE OnClose;
PFN_ON_SEND OnSend;
//PFN_ON_RECVCOMPLETION OnReceiveCompletion;
//PFN_QUERY_LINKSTATUS QueryLinkStatus;
void* Context;
} NETVSC_DRIVER_OBJECT;
typedef struct _NETVSC_DEVICE_INFO {
UCHAR MacAddr[6];
BOOL LinkState; // 0 - link up, 1 - link down
} NETVSC_DEVICE_INFO;
//
// Interface
//
int
NetVscInitialize(
DRIVER_OBJECT* drv
);
#endif // _NETVSC_API_H_

137
drivers/staging/hv/include/StorVscApi.h Normal file
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/*
*
* Copyright (c) 2009, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
*
*/
#ifndef _STORVSC_API_H_
#define _STORVSC_API_H_
#include "VmbusApi.h"
//
// Defines
//
#define STORVSC_RING_BUFFER_SIZE 10*PAGE_SIZE
#define BLKVSC_RING_BUFFER_SIZE 20*PAGE_SIZE
#define STORVSC_MAX_IO_REQUESTS 64
// In Hyper-V, each port/path/target maps to 1 scsi host adapter.
// In reality, the path/target is not used (ie always set to 0) so
// our scsi host adapter essentially has 1 bus with 1 target that contains
// up to 256 luns.
#define STORVSC_MAX_LUNS_PER_TARGET 64
#define STORVSC_MAX_TARGETS 1
#define STORVSC_MAX_CHANNELS 1
// Fwd decl
//
//struct VMBUS_CHANNEL;
typedef struct _STORVSC_REQUEST* PSTORVSC_REQUEST;
//
// Data types
//
typedef int (*PFN_ON_IO_REQUEST)(PDEVICE_OBJECT Device, PSTORVSC_REQUEST Request);
typedef void (*PFN_ON_IO_REQUEST_COMPLTN)(PSTORVSC_REQUEST Request);
typedef int (*PFN_ON_HOST_RESET)(PDEVICE_OBJECT Device);
typedef void (*PFN_ON_HOST_RESCAN)(PDEVICE_OBJECT Device);
// Matches Windows-end
typedef enum _STORVSC_REQUEST_TYPE{
WRITE_TYPE,
READ_TYPE,
UNKNOWN_TYPE,
} STORVSC_REQUEST_TYPE;
typedef struct _STORVSC_REQUEST {
STORVSC_REQUEST_TYPE Type;
UINT32 Host;
UINT32 Bus;
UINT32 TargetId;
UINT32 LunId;
UINT8* Cdb;
UINT32 CdbLen;
UINT32 Status;
UINT32 BytesXfer;
UCHAR* SenseBuffer;
UINT32 SenseBufferSize;
PVOID Context;
PFN_ON_IO_REQUEST_COMPLTN OnIOCompletion;
// This points to the memory after DataBuffer
PVOID Extension;
MULTIPAGE_BUFFER DataBuffer;
} STORVSC_REQUEST;
// Represents the block vsc driver
typedef struct _STORVSC_DRIVER_OBJECT {
DRIVER_OBJECT Base; // Must be the first field
// Set by caller (in bytes)
UINT32 RingBufferSize;
// Allocate this much private extension for each I/O request
UINT32 RequestExtSize;
// Maximum # of requests in flight per channel/device
UINT32 MaxOutstandingRequestsPerChannel;
// Set by the caller to allow us to re-enumerate the bus on the host
PFN_ON_HOST_RESCAN OnHostRescan;
// Specific to this driver
PFN_ON_IO_REQUEST OnIORequest;
PFN_ON_HOST_RESET OnHostReset;
} STORVSC_DRIVER_OBJECT;
typedef struct _STORVSC_DEVICE_INFO {
ULONG PortNumber;
UCHAR PathId;
UCHAR TargetId;
} STORVSC_DEVICE_INFO;
//
// Interface
//
int
StorVscInitialize(
DRIVER_OBJECT *Driver
);
int
BlkVscInitialize(
DRIVER_OBJECT *Driver
);
#endif // _STORVSC_API_H_

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drivers/staging/hv/include/VmbusApi.h Normal file
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/*
*
* Copyright (c) 2009, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
*
*/
#ifndef _VMBUS_API_H_
#define _VMBUS_API_H_
#include "osd.h"
//
// Defines
//
#define MAX_PAGE_BUFFER_COUNT 16
#define MAX_MULTIPAGE_BUFFER_COUNT 32 // 128K
//
// Fwd declarations
//
typedef struct _DRIVER_OBJECT *PDRIVER_OBJECT;
typedef struct _DEVICE_OBJECT *PDEVICE_OBJECT;
//
// Data types
//
#pragma pack(push,1)
// Single-page buffer
typedef struct _PAGE_BUFFER {
UINT32 Length;
UINT32 Offset;
UINT64 Pfn;
} PAGE_BUFFER;
// Multiple-page buffer
typedef struct _MULTIPAGE_BUFFER {
// Length and Offset determines the # of pfns in the array
UINT32 Length;
UINT32 Offset;
UINT64 PfnArray[MAX_MULTIPAGE_BUFFER_COUNT];
}MULTIPAGE_BUFFER;
//0x18 includes the proprietary packet header
#define MAX_PAGE_BUFFER_PACKET (0x18 + (sizeof(PAGE_BUFFER) * MAX_PAGE_BUFFER_COUNT))
#define MAX_MULTIPAGE_BUFFER_PACKET (0x18 + sizeof(MULTIPAGE_BUFFER))
#pragma pack(pop)
// All drivers
typedef int (*PFN_ON_DEVICEADD)(PDEVICE_OBJECT Device, void* AdditionalInfo);
typedef int (*PFN_ON_DEVICEREMOVE)(PDEVICE_OBJECT Device);
typedef char** (*PFN_ON_GETDEVICEIDS)(void);
typedef void (*PFN_ON_CLEANUP)(PDRIVER_OBJECT Driver);
// Vmbus extensions
//typedef int (*PFN_ON_MATCH)(PDEVICE_OBJECT dev, PDRIVER_OBJECT drv);
//typedef int (*PFN_ON_PROBE)(PDEVICE_OBJECT dev);
typedef int (*PFN_ON_ISR)(PDRIVER_OBJECT drv);
typedef void (*PFN_ON_DPC)(PDRIVER_OBJECT drv);
typedef void (*PFN_GET_CHANNEL_OFFERS)(void);
typedef PDEVICE_OBJECT (*PFN_ON_CHILDDEVICE_CREATE)(GUID DeviceType, GUID DeviceInstance, void *Context);
typedef void (*PFN_ON_CHILDDEVICE_DESTROY)(PDEVICE_OBJECT Device);
typedef int (*PFN_ON_CHILDDEVICE_ADD)(PDEVICE_OBJECT RootDevice, PDEVICE_OBJECT ChildDevice);
typedef void (*PFN_ON_CHILDDEVICE_REMOVE)(PDEVICE_OBJECT Device);
// Vmbus channel interface
typedef void (*VMBUS_CHANNEL_CALLBACK)(PVOID context);
typedef int (*VMBUS_CHANNEL_OPEN)(
PDEVICE_OBJECT Device,
UINT32 SendBufferSize,
UINT32 RecvRingBufferSize,
PVOID UserData,
UINT32 UserDataLen,
VMBUS_CHANNEL_CALLBACK ChannelCallback,
PVOID Context
);
typedef void (*VMBUS_CHANNEL_CLOSE)(
PDEVICE_OBJECT Device
);
typedef int (*VMBUS_CHANNEL_SEND_PACKET)(
PDEVICE_OBJECT Device,
const PVOID Buffer,
UINT32 BufferLen,
UINT64 RequestId,
UINT32 Type,
UINT32 Flags
);
typedef int (*VMBUS_CHANNEL_SEND_PACKET_PAGEBUFFER)(
PDEVICE_OBJECT Device,
PAGE_BUFFER PageBuffers[],
UINT32 PageCount,
PVOID Buffer,
UINT32 BufferLen,
UINT64 RequestId
);
typedef int (*VMBUS_CHANNEL_SEND_PACKET_MULTIPAGEBUFFER)(
PDEVICE_OBJECT Device,
MULTIPAGE_BUFFER *MultiPageBuffer,
PVOID Buffer,
UINT32 BufferLen,
UINT64 RequestId
);
typedef int (*VMBUS_CHANNEL_RECV_PACKET)(
PDEVICE_OBJECT Device,
PVOID Buffer,
UINT32 BufferLen,
UINT32* BufferActualLen,
UINT64* RequestId
);
typedef int (*VMBUS_CHANNEL_RECV_PACKET_PAW)(
PDEVICE_OBJECT Device,
PVOID Buffer,
UINT32 BufferLen,
UINT32* BufferActualLen,
UINT64* RequestId
);
typedef int (*VMBUS_CHANNEL_ESTABLISH_GPADL)(
PDEVICE_OBJECT Device,
PVOID Buffer, // from kmalloc()
UINT32 BufferLen, // page-size multiple
UINT32* GpadlHandle
);
typedef int (*VMBUS_CHANNEL_TEARDOWN_GPADL)(
PDEVICE_OBJECT Device,
UINT32 GpadlHandle
);
typedef struct _PORT_INFO {
UINT32 InterruptMask;
UINT32 ReadIndex;
UINT32 WriteIndex;
UINT32 BytesAvailToRead;
UINT32 BytesAvailToWrite;
} PORT_INFO;
typedef struct _DEVICE_INFO {
UINT32 ChannelId;
UINT32 ChannelState;
GUID ChannelType;
GUID ChannelInstance;
UINT32 MonitorId;
UINT32 ServerMonitorPending;
UINT32 ServerMonitorLatency;
UINT32 ServerMonitorConnectionId;
UINT32 ClientMonitorPending;
UINT32 ClientMonitorLatency;
UINT32 ClientMonitorConnectionId;
PORT_INFO Inbound;
PORT_INFO Outbound;
} DEVICE_INFO;
typedef void (*VMBUS_GET_CHANNEL_INFO)(PDEVICE_OBJECT Device, DEVICE_INFO* DeviceInfo);
typedef struct _VMBUS_CHANNEL_INTERFACE {
VMBUS_CHANNEL_OPEN Open;
VMBUS_CHANNEL_CLOSE Close;
VMBUS_CHANNEL_SEND_PACKET SendPacket;
VMBUS_CHANNEL_SEND_PACKET_PAGEBUFFER SendPacketPageBuffer;
VMBUS_CHANNEL_SEND_PACKET_MULTIPAGEBUFFER SendPacketMultiPageBuffer;
VMBUS_CHANNEL_RECV_PACKET RecvPacket;
VMBUS_CHANNEL_RECV_PACKET_PAW RecvPacketRaw;
VMBUS_CHANNEL_ESTABLISH_GPADL EstablishGpadl;
VMBUS_CHANNEL_TEARDOWN_GPADL TeardownGpadl;
VMBUS_GET_CHANNEL_INFO GetInfo;
} VMBUS_CHANNEL_INTERFACE;
typedef void (*VMBUS_GET_CHANNEL_INTERFACE)(VMBUS_CHANNEL_INTERFACE *Interface);
// Base driver object
typedef struct _DRIVER_OBJECT {
const char* name;
GUID deviceType; // the device type supported by this driver
PFN_ON_DEVICEADD OnDeviceAdd;
PFN_ON_DEVICEREMOVE OnDeviceRemove;
PFN_ON_GETDEVICEIDS OnGetDeviceIds; // device ids supported by this driver
PFN_ON_CLEANUP OnCleanup;
VMBUS_CHANNEL_INTERFACE VmbusChannelInterface;
} DRIVER_OBJECT;
// Base device object
typedef struct _DEVICE_OBJECT {
DRIVER_OBJECT* Driver; // the driver for this device
char name[64];
GUID deviceType; // the device type id of this device
GUID deviceInstance; // the device instance id of this device
void* context;
void* Extension; // Device extension;
} DEVICE_OBJECT;
// Vmbus driver object
typedef struct _VMBUS_DRIVER_OBJECT {
DRIVER_OBJECT Base; // !! Must be the 1st field !!
// Set by the caller
PFN_ON_CHILDDEVICE_CREATE OnChildDeviceCreate;
PFN_ON_CHILDDEVICE_DESTROY OnChildDeviceDestroy;
PFN_ON_CHILDDEVICE_ADD OnChildDeviceAdd;
PFN_ON_CHILDDEVICE_REMOVE OnChildDeviceRemove;
// Set by the callee
//PFN_ON_MATCH OnMatch;
//PFN_ON_PROBE OnProbe;
PFN_ON_ISR OnIsr;
PFN_ON_DPC OnMsgDpc;
PFN_ON_DPC OnEventDpc;
PFN_GET_CHANNEL_OFFERS GetChannelOffers;
VMBUS_GET_CHANNEL_INTERFACE GetChannelInterface;
VMBUS_GET_CHANNEL_INFO GetChannelInfo;
} VMBUS_DRIVER_OBJECT;
//
// Interface
//
int
VmbusInitialize(
DRIVER_OBJECT* drv
);
#endif // _VMBUS_API_H_

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drivers/staging/hv/include/logging.h Normal file
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/*
*
* Copyright (c) 2009, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
*
*/
#ifndef _LOGGING_H_
#define _LOGGING_H_
//#include <linux/init.h>
//#include <linux/module.h>
#include "osd.h"
#define VMBUS 0x0001
#define STORVSC 0x0002
#define NETVSC 0x0004
#define INPUTVSC 0x0008
#define BLKVSC 0x0010
#define VMBUS_DRV 0x0100
#define STORVSC_DRV 0x0200
#define NETVSC_DRV 0x0400
#define INPUTVSC_DRV 0x0800
#define BLKVSC_DRV 0x1000
#define ALL_MODULES (VMBUS |\
STORVSC |\
NETVSC |\
INPUTVSC |\
BLKVSC |\
VMBUS_DRV |\
STORVSC_DRV |\
NETVSC_DRV |\
INPUTVSC_DRV|\
BLKVSC_DRV)
// Logging Level
#define CRITICAL_LVL 2
#define ERROR_LVL 3
#define WARNING_LVL 4
#define INFO_LVL 6
#define DEBUG_LVL 7
#define DEBUG_LVL_ENTEREXIT 8
#define DEBUG_RING_LVL 9
extern unsigned int vmbus_loglevel;
#define ASSERT(expr) \
if (!(expr)) { \
LogMsg("<%d>Assertion failed! %s,%s,%s,line=%d\n", CRITICAL_LVL, #expr,__FILE__,__FUNCTION__,__LINE__); \
__asm__ __volatile__("int3"); \
}
#define DPRINT(mod, lvl, fmt, args...) do {\
if (mod & (HIWORD(vmbus_loglevel))) \
(lvl <= LOWORD(vmbus_loglevel))?(LogMsg("<%d>" #mod": %s() " fmt "\n", DEBUG_LVL, __FUNCTION__, ## args)):(0);\
} while (0)
#define DPRINT_DBG(mod, fmt, args...) do {\
if (mod & (HIWORD(vmbus_loglevel))) \
(DEBUG_LVL <= LOWORD(vmbus_loglevel))?(LogMsg("<%d>" #mod": %s() " fmt "\n", DEBUG_LVL, __FUNCTION__, ## args)):(0);\
} while (0)
#define DPRINT_INFO(mod, fmt, args...) do {\
if (mod & (HIWORD(vmbus_loglevel))) \
(INFO_LVL <= LOWORD(vmbus_loglevel))?(LogMsg("<%d>" #mod": " fmt "\n", INFO_LVL, ## args)):(0);\
} while (0)
#define DPRINT_WARN(mod, fmt, args...) do {\
if (mod & (HIWORD(vmbus_loglevel))) \
(WARNING_LVL <= LOWORD(vmbus_loglevel))?(LogMsg("<%d>" #mod": WARNING! " fmt "\n", WARNING_LVL, ## args)):(0);\
} while (0)
#define DPRINT_ERR(mod, fmt, args...) do {\
if (mod & (HIWORD(vmbus_loglevel))) \
(ERROR_LVL <= LOWORD(vmbus_loglevel))?(LogMsg("<%d>" #mod": %s() ERROR!! " fmt "\n", ERROR_LVL, __FUNCTION__, ## args)):(0);\
} while (0)
#ifdef DEBUG
#define DPRINT_ENTER(mod) do {\
if (mod & (HIWORD(vmbus_loglevel))) \
(DEBUG_LVL_ENTEREXIT <= LOWORD(vmbus_loglevel))?(LogMsg("<%d>" "["#mod"]: %s() enter\n", DEBUG_LVL, __FUNCTION__)):(0);\
} while (0)
#define DPRINT_EXIT(mod) do {\
if (mod & (HIWORD(vmbus_loglevel))) \
(DEBUG_LVL_ENTEREXIT <= LOWORD(vmbus_loglevel))?(LogMsg("<%d>" "["#mod"]: %s() exit\n", DEBUG_LVL, __FUNCTION__)):(0);\
} while (0)
#else
#define DPRINT_ENTER(mod)
#define DPRINT_EXIT(mod)
#endif
static inline void PrintBytes(const unsigned char* bytes, int len)
{
int i=0;
LogMsg("\n<< ");
for (i=0; i< len; i++)
{
LogMsg("0x%x ", bytes[i]);
}
LogMsg(">>\n");
}
//
// Inline
//
//static inline void GuidToStr(const GUID g, char *str)
//{
// sprintf(str, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}",
// g[3], g[2], g[1], g[0], g[5], g[4], g[7], g[6], g[8], g[9], g[10], g[11], g[12], g[13], g[14], g[15]);
//
//}
#endif //_LOGGING_H_

263
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/*
*
* Copyright (c) 2009, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
*
*/
#ifndef _OSD_H_
#define _OSD_H_
//
// Defines
//
#ifndef PAGE_SIZE
#define PAGE_SIZE 0x1000
#endif
#ifndef PAGE_SHIFT
#define PAGE_SHIFT 12
#endif
#ifndef memcpy
#define memcpy __builtin_memcpy
#endif
#ifndef memset
#define memset __builtin_memset
#endif
#ifndef memcmp
#define memcmp __builtin_memcmp
#endif
#ifndef strcpy
#define strcpy __builtin_strcpy
#endif
//
//#ifndef sprintf
//#define sprintf __builtin_sprintf
//#endif
#define STRUCT_PACKED __attribute__((__packed__))
#define STRUCT_ALIGNED(x) __attribute__((__aligned__(x)))
#define UNUSED_VAR(v) v __attribute__((__unused__))
#define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) )
#define ALIGN_DOWN(value, align) ( (value) & ~(align-1) )
#define NUM_PAGES_SPANNED(addr, len) ( (ALIGN_UP(addr+len, PAGE_SIZE) - ALIGN_DOWN(addr, PAGE_SIZE)) >> PAGE_SHIFT )
#define MIN(a, b) ((a) < (b)? (a): (b))
#define MAX(a, b) ((a) > (b)? (a): (b))
#define LOWORD(dw) ((unsigned short) (dw))
#define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF))
#define FIELD_OFFSET(t, f) ((unsigned int)(unsigned long)&(((t *)0)->f))
#ifdef FALSE
#undef FALSE
#endif
#define FALSE 0
#ifdef TRUE
#undef TRUE
#endif
#define TRUE 1
#ifndef NULL
#define NULL (void *)0
#endif
typedef struct _DLIST_ENTRY {
struct _DLIST_ENTRY *Flink;
struct _DLIST_ENTRY *Blink;
} DLIST_ENTRY;
//
// unsigned types
//
typedef unsigned char UINT8;
typedef unsigned short UINT16;
typedef unsigned int UINT32;
#ifdef __x86_64__
typedef unsigned long UINT64;
#else
typedef unsigned long long UINT64;
#endif
typedef unsigned long long ULONGLONG;
typedef unsigned int ULONG;
typedef unsigned short USHORT;
typedef unsigned char UCHAR;
//
// signed types
//
typedef char INT8;
typedef short INT16;
typedef int INT32;
#ifdef __x86_64__
typedef long INT64;
#else
typedef long long INT64;
#endif
typedef int LONG;
typedef char CHAR;
typedef long long LONGLONG;
//
// Other types
//
typedef unsigned long SIZE_T;
typedef void VOID;
//typedef unsigned char GUID[16];
typedef void* PVOID;
typedef unsigned char BOOL;
typedef unsigned char BOOLEAN;
typedef void* HANDLE;
typedef UINT32 DWORD;
typedef char* PCHAR;
typedef unsigned char BYTE;
typedef unsigned long ULONG_PTR;
typedef struct {
unsigned char Data[16];
} GUID;
typedef void (*PFN_WORKITEM_CALLBACK)(void* context);
typedef void (*PFN_TIMER_CALLBACK)(void* context);
#ifdef __x86_64__
#define RDMSR(reg, v) { \
UINT32 h, l; \
__asm__ __volatile__("rdmsr" \
: "=a" (l), "=d" (h) \
: "c" (reg)); \
v = (((UINT64)h) << 32) | l; \
}
#define WRMSR(reg, v) { \
UINT32 h, l; \
l = (UINT32)(((UINT64)(v)) & 0xFFFFFFFF); \
h = (UINT32)((((UINT64)(v)) >> 32) & 0xFFFFFFFF); \
__asm__ __volatile__("wrmsr" \
: /* no outputs */ \
: "c" (reg), "a" (l), "d" (h)); \
}
#else
#define RDMSR(reg, v) \
__asm__ __volatile__("rdmsr" \
: "=A" (v) \
: "c" (reg))
#define WRMSR(reg, v) \
__asm__ __volatile__("wrmsr" \
: /* no outputs */ \
: "c" (reg), "A" ((UINT64)v))
#endif
static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
{
__asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx));
}
//
// Osd routines
//
extern void LogMsg(const char *fmt, ...);
extern void BitSet(unsigned int* addr, int value);
extern void BitClear(unsigned int* addr, int value);
extern int BitTest(unsigned int* addr, int value);
extern int BitTestAndClear(unsigned int* addr, int value);
extern int BitTestAndSet(unsigned int* addr, int value);
extern int InterlockedIncrement(int *val);
extern int InterlockedDecrement(int *val);
extern int InterlockedCompareExchange(int *val, int new, int curr);
extern void Sleep(unsigned long usecs);
extern void* VirtualAllocExec(unsigned int size);
extern void VirtualFree(void* VirtAddr);
extern void* PageAlloc(unsigned int count);
extern void PageFree(void* page, unsigned int count);
extern void* MemMapIO(unsigned long phys, unsigned long size);
extern void MemUnmapIO(void* virt);
extern void* MemAlloc(unsigned int size);
extern void* MemAllocZeroed(unsigned int size);
extern void* MemAllocAtomic(unsigned int size);
extern void MemFree(void* buf);
extern void MemoryFence(VOID);
extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context);
extern void TimerClose(HANDLE hTimer);
extern int TimerStop(HANDLE hTimer);
extern void TimerStart(HANDLE hTimer, UINT32 expirationInUs);
extern SIZE_T GetTickCount(void);
extern HANDLE WaitEventCreate(void);
extern void WaitEventClose(HANDLE hWait);
extern void WaitEventSet(HANDLE hWait);
extern int WaitEventWait(HANDLE hWait);
// If >0, hWait got signaled. If ==0, timeout. If < 0, error
extern int WaitEventWaitEx(HANDLE hWait, UINT32 TimeoutInMs);
extern HANDLE SpinlockCreate(void);
extern void SpinlockClose(HANDLE hSpin);
extern void SpinlockAcquire(HANDLE hSpin);
extern void SpinlockRelease(HANDLE hSpin);
#define GetVirtualAddress Physical2LogicalAddr
void* Physical2LogicalAddr(ULONG_PTR PhysAddr);
#define GetPhysicalAddress Logical2PhysicalAddr
ULONG_PTR Logical2PhysicalAddr(PVOID LogicalAddr);
ULONG_PTR Virtual2Physical(PVOID VirtAddr);
void* PageMapVirtualAddress(unsigned long Pfn);
void PageUnmapVirtualAddress(void* VirtAddr);
extern HANDLE WorkQueueCreate(char* name);
extern void WorkQueueClose(HANDLE hWorkQueue);
extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context);
extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context);
#endif // _OSD_H_

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drivers/staging/hv/include/vmbus.h Normal file
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@ -0,0 +1,111 @@
/*
*
* Copyright (c) 2009, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
*
*/
#ifndef _VMBUS_H_
#define _VMBUS_H_
#include <linux/device.h>
#include "VmbusApi.h"
//
// Data types
//
typedef int (*PFN_DRIVERINITIALIZE)(DRIVER_OBJECT *drv);
typedef int (*PFN_DRIVEREXIT)(DRIVER_OBJECT *drv);
struct driver_context {
GUID class_id;
struct device_driver driver;
// Use these methods instead of the struct device_driver so 2.6 kernel stops complaining
int (*probe)(struct device *);
int (*remove)(struct device *);
void (*shutdown)(struct device *);
};
struct device_context {
struct work_struct probe_failed_work_item;
GUID class_id;
GUID device_id;
int probe_error;
struct device device;
DEVICE_OBJECT device_obj;
};
//
// Global
//
//
// Inlines
//
static inline struct device_context *to_device_context(DEVICE_OBJECT *device_obj)
{
return container_of(device_obj, struct device_context, device_obj);
}
static inline struct device_context *device_to_device_context(struct device *device)
{
return container_of(device, struct device_context, device);
}
static inline struct driver_context *driver_to_driver_context(struct device_driver *driver)
{
return container_of(driver, struct driver_context, driver);
}
#if defined(KERNEL_2_6_5)
static inline void* kzalloc(int size, int flags)
{
void *p;
p = kmalloc(size, flags);
if (p) memset(p, 0, size);
return p;
}
#endif // KERNEL_2_6_5
//
// Vmbus interface
//
void
vmbus_child_driver_register(
struct driver_context* driver_ctx
);
void
vmbus_child_driver_unregister(
struct driver_context *driver_ctx
);
void
vmbus_get_interface(
VMBUS_CHANNEL_INTERFACE *interface
);
#endif // _VMBUS_H_