From: Hank Janssen <hjans...@microsoft.com>
These are the header files for the different Linux Hyper-V drivers to
use.
Signed-off-by: Hank Janssen <hjans...@microsoft.com>
Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
---
drivers/staging/hv/include/NetVscApi.h | 145 +++++++++++++++++
drivers/staging/hv/include/StorVscApi.h | 137 ++++++++++++++++
drivers/staging/hv/include/VmbusApi.h | 262 +++++++++++++++++++++++++++++++
drivers/staging/hv/include/logging.h | 134 ++++++++++++++++
drivers/staging/hv/include/osd.h | 263 ++++++++++++++++++++++++++++++++
drivers/staging/hv/include/vmbus.h | 111 +++++++++++++
6 files changed, 1052 insertions(+)
create mode 100644 drivers/staging/hv/include/NetVscApi.h
create mode 100644 drivers/staging/hv/include/StorVscApi.h
create mode 100644 drivers/staging/hv/include/VmbusApi.h
create mode 100644 drivers/staging/hv/include/logging.h
create mode 100644 drivers/staging/hv/include/osd.h
create mode 100644 drivers/staging/hv/include/vmbus.h
--- /dev/null
+++ b/drivers/staging/hv/include/logging.h
@@ -0,0 +1,134 @@
+/*
+ *
+ * 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 <haiya...@microsoft.com>
+ * Hank Janssen <hjans...@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_
--- /dev/null
+++ b/drivers/staging/hv/include/NetVscApi.h
@@ -0,0 +1,145 @@
+/*
+ *
+ * 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 <haiya...@microsoft.com>
+ * Hank Janssen <hjans...@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_
--- /dev/null
+++ b/drivers/staging/hv/include/osd.h
@@ -0,0 +1,263 @@
+/*
+ *
+ * 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 <haiya...@microsoft.com>
+ * Hank Janssen <hjans...@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_
--- /dev/null
+++ b/drivers/staging/hv/include/StorVscApi.h
@@ -0,0 +1,137 @@
+/*
+ *
+ * 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 <haiya...@microsoft.com>
+ * Hank Janssen <hjans...@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_
--- /dev/null
+++ b/drivers/staging/hv/include/VmbusApi.h
@@ -0,0 +1,262 @@
+/*
+ *
+ * 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 <haiya...@microsoft.com>
+ * Hank Janssen <hjans...@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_
--- /dev/null
+++ b/drivers/staging/hv/include/vmbus.h
@@ -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 <haiya...@microsoft.com>
+ * Hank Janssen <hjans...@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_
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