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Diffstat (limited to 'drivers/staging/hv/include/osd.h')
-rw-r--r--drivers/staging/hv/include/osd.h263
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/staging/hv/include/osd.h b/drivers/staging/hv/include/osd.h
new file mode 100644
index 000000000000..50f5e39d8fb0
--- /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 <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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