Hank Janssen | ab05778 | 2009-07-13 15:19:28 -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 _OSD_H_ |
| 26 | #define _OSD_H_ |
| 27 | |
| 28 | // |
| 29 | // Defines |
| 30 | // |
| 31 | |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 32 | |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 33 | #define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) ) |
| 34 | #define ALIGN_DOWN(value, align) ( (value) & ~(align-1) ) |
| 35 | #define NUM_PAGES_SPANNED(addr, len) ( (ALIGN_UP(addr+len, PAGE_SIZE) - ALIGN_DOWN(addr, PAGE_SIZE)) >> PAGE_SHIFT ) |
| 36 | |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 37 | #define LOWORD(dw) ((unsigned short) (dw)) |
| 38 | #define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF)) |
| 39 | |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 40 | typedef struct _DLIST_ENTRY { |
| 41 | struct _DLIST_ENTRY *Flink; |
| 42 | struct _DLIST_ENTRY *Blink; |
| 43 | } DLIST_ENTRY; |
| 44 | |
| 45 | // |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 46 | // Other types |
| 47 | // |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 48 | //typedef unsigned char GUID[16]; |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 49 | typedef void* HANDLE; |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 50 | |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 51 | typedef struct { |
| 52 | unsigned char Data[16]; |
| 53 | } GUID; |
| 54 | |
| 55 | typedef void (*PFN_WORKITEM_CALLBACK)(void* context); |
| 56 | typedef void (*PFN_TIMER_CALLBACK)(void* context); |
| 57 | |
| 58 | |
| 59 | #ifdef __x86_64__ |
| 60 | |
| 61 | #define RDMSR(reg, v) { \ |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 62 | u32 h, l; \ |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 63 | __asm__ __volatile__("rdmsr" \ |
| 64 | : "=a" (l), "=d" (h) \ |
| 65 | : "c" (reg)); \ |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 66 | v = (((u64)h) << 32) | l; \ |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | #define WRMSR(reg, v) { \ |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 70 | u32 h, l; \ |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 71 | l = (u32)(((u64)(v)) & 0xFFFFFFFF); \ |
| 72 | h = (u32)((((u64)(v)) >> 32) & 0xFFFFFFFF); \ |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 73 | __asm__ __volatile__("wrmsr" \ |
| 74 | : /* no outputs */ \ |
| 75 | : "c" (reg), "a" (l), "d" (h)); \ |
| 76 | } |
| 77 | |
| 78 | #else |
| 79 | |
| 80 | #define RDMSR(reg, v) \ |
| 81 | __asm__ __volatile__("rdmsr" \ |
| 82 | : "=A" (v) \ |
| 83 | : "c" (reg)) |
| 84 | |
| 85 | #define WRMSR(reg, v) \ |
| 86 | __asm__ __volatile__("wrmsr" \ |
| 87 | : /* no outputs */ \ |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 88 | : "c" (reg), "A" ((u64)v)) |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 89 | |
| 90 | #endif |
| 91 | |
| 92 | |
| 93 | static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) |
| 94 | { |
| 95 | __asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx)); |
| 96 | } |
| 97 | |
| 98 | // |
| 99 | // Osd routines |
| 100 | // |
| 101 | extern void LogMsg(const char *fmt, ...); |
| 102 | |
| 103 | extern void BitSet(unsigned int* addr, int value); |
| 104 | extern void BitClear(unsigned int* addr, int value); |
| 105 | extern int BitTest(unsigned int* addr, int value); |
| 106 | extern int BitTestAndClear(unsigned int* addr, int value); |
| 107 | extern int BitTestAndSet(unsigned int* addr, int value); |
| 108 | |
| 109 | extern int InterlockedIncrement(int *val); |
| 110 | extern int InterlockedDecrement(int *val); |
| 111 | extern int InterlockedCompareExchange(int *val, int new, int curr); |
| 112 | |
| 113 | extern void Sleep(unsigned long usecs); |
| 114 | |
| 115 | extern void* VirtualAllocExec(unsigned int size); |
| 116 | extern void VirtualFree(void* VirtAddr); |
| 117 | |
| 118 | extern void* PageAlloc(unsigned int count); |
| 119 | extern void PageFree(void* page, unsigned int count); |
| 120 | |
| 121 | extern void* MemMapIO(unsigned long phys, unsigned long size); |
| 122 | extern void MemUnmapIO(void* virt); |
| 123 | |
| 124 | extern void* MemAlloc(unsigned int size); |
| 125 | extern void* MemAllocZeroed(unsigned int size); |
| 126 | extern void* MemAllocAtomic(unsigned int size); |
| 127 | extern void MemFree(void* buf); |
Greg Kroah-Hartman | e20f683 | 2009-07-14 15:07:21 -0700 | [diff] [blame] | 128 | extern void MemoryFence(void); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 129 | |
| 130 | extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context); |
| 131 | extern void TimerClose(HANDLE hTimer); |
| 132 | extern int TimerStop(HANDLE hTimer); |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 133 | extern void TimerStart(HANDLE hTimer, u32 expirationInUs); |
Greg Kroah-Hartman | 45635d9 | 2009-07-14 15:14:20 -0700 | [diff] [blame] | 134 | extern size_t GetTickCount(void); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 135 | |
| 136 | extern HANDLE WaitEventCreate(void); |
| 137 | extern void WaitEventClose(HANDLE hWait); |
| 138 | extern void WaitEventSet(HANDLE hWait); |
| 139 | extern int WaitEventWait(HANDLE hWait); |
| 140 | |
| 141 | // If >0, hWait got signaled. If ==0, timeout. If < 0, error |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 142 | extern int WaitEventWaitEx(HANDLE hWait, u32 TimeoutInMs); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 143 | |
| 144 | extern HANDLE SpinlockCreate(void); |
| 145 | extern void SpinlockClose(HANDLE hSpin); |
| 146 | extern void SpinlockAcquire(HANDLE hSpin); |
| 147 | extern void SpinlockRelease(HANDLE hSpin); |
| 148 | |
| 149 | |
| 150 | #define GetVirtualAddress Physical2LogicalAddr |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 151 | void* Physical2LogicalAddr(unsigned long PhysAddr); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 152 | |
| 153 | #define GetPhysicalAddress Logical2PhysicalAddr |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 154 | unsigned long Logical2PhysicalAddr(void * LogicalAddr); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 155 | |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 156 | unsigned long Virtual2Physical(void * VirtAddr); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 157 | |
| 158 | void* PageMapVirtualAddress(unsigned long Pfn); |
| 159 | void PageUnmapVirtualAddress(void* VirtAddr); |
| 160 | |
| 161 | |
| 162 | extern HANDLE WorkQueueCreate(char* name); |
| 163 | extern void WorkQueueClose(HANDLE hWorkQueue); |
| 164 | extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context); |
| 165 | |
| 166 | extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context); |
| 167 | |
| 168 | #endif // _OSD_H_ |