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gerrit-public.fairphone.software / kernel / msm-4.9 / ab05778195b5cc1e77130424f7f6b6f848a137f1 / . / drivers / staging / hv / include / osd.h
blob: 50f5e39d8fb0b09eccb9e7eda35908abf6341c95 [file] [log] [blame]
Hank Janssenab057782009-07-13 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
32#ifndef PAGE_SIZE
33#define PAGE_SIZE 0x1000
34#endif
35
36#ifndef PAGE_SHIFT
37#define PAGE_SHIFT 12
38#endif
39
40#ifndef memcpy
41#define memcpy __builtin_memcpy
42#endif
43
44#ifndef memset
45#define memset __builtin_memset
46#endif
47
48#ifndef memcmp
49#define memcmp __builtin_memcmp
50#endif
51
52#ifndef strcpy
53#define strcpy __builtin_strcpy
54#endif
55
56//
57//#ifndef sprintf
58//#define sprintf __builtin_sprintf
59//#endif
60
61#define STRUCT_PACKED __attribute__((__packed__))
62#define STRUCT_ALIGNED(x) __attribute__((__aligned__(x)))
63
64#define UNUSED_VAR(v) v __attribute__((__unused__))
65
66#define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) )
67#define ALIGN_DOWN(value, align) ( (value) & ~(align-1) )
68#define NUM_PAGES_SPANNED(addr, len) ( (ALIGN_UP(addr+len, PAGE_SIZE) - ALIGN_DOWN(addr, PAGE_SIZE)) >> PAGE_SHIFT )
69
70#define MIN(a, b) ((a) < (b)? (a): (b))
71#define MAX(a, b) ((a) > (b)? (a): (b))
72
73#define LOWORD(dw) ((unsigned short) (dw))
74#define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF))
75
76#define FIELD_OFFSET(t, f) ((unsigned int)(unsigned long)&(((t *)0)->f))
77
78#ifdef FALSE
79#undef FALSE
80#endif
81#define FALSE 0
82
83#ifdef TRUE
84#undef TRUE
85#endif
86#define TRUE 1
87
88#ifndef NULL
89#define NULL (void *)0
90#endif
91
92typedef struct _DLIST_ENTRY {
93 struct _DLIST_ENTRY *Flink;
94 struct _DLIST_ENTRY *Blink;
95} DLIST_ENTRY;
96
97//
98// unsigned types
99//
100typedef unsigned char UINT8;
101typedef unsigned short UINT16;
102typedef unsigned int UINT32;
103#ifdef __x86_64__
104typedef unsigned long UINT64;
105#else
106typedef unsigned long long UINT64;
107#endif
108
109typedef unsigned long long ULONGLONG;
110typedef unsigned int ULONG;
111typedef unsigned short USHORT;
112typedef unsigned char UCHAR;
113
114//
115// signed types
116//
117typedef char INT8;
118typedef short INT16;
119typedef int INT32;
120#ifdef __x86_64__
121typedef long INT64;
122#else
123typedef long long INT64;
124#endif
125
126typedef int LONG;
127typedef char CHAR;
128typedef long long LONGLONG;
129
130//
131// Other types
132//
133typedef unsigned long SIZE_T;
134typedef void VOID;
135//typedef unsigned char GUID[16];
136typedef void* PVOID;
137typedef unsigned char BOOL;
138typedef unsigned char BOOLEAN;
139typedef void* HANDLE;
140typedef UINT32 DWORD;
141typedef char* PCHAR;
142typedef unsigned char BYTE;
143
144typedef unsigned long ULONG_PTR;
145
146typedef struct {
147 unsigned char Data[16];
148} GUID;
149
150typedef void (*PFN_WORKITEM_CALLBACK)(void* context);
151typedef void (*PFN_TIMER_CALLBACK)(void* context);
152
153
154#ifdef __x86_64__
155
156#define RDMSR(reg, v) { \
157 UINT32 h, l; \
158 __asm__ __volatile__("rdmsr" \
159 : "=a" (l), "=d" (h) \
160 : "c" (reg)); \
161 v = (((UINT64)h) << 32) | l; \
162}
163
164#define WRMSR(reg, v) { \
165 UINT32 h, l; \
166 l = (UINT32)(((UINT64)(v)) & 0xFFFFFFFF); \
167 h = (UINT32)((((UINT64)(v)) >> 32) & 0xFFFFFFFF); \
168 __asm__ __volatile__("wrmsr" \
169 : /* no outputs */ \
170 : "c" (reg), "a" (l), "d" (h)); \
171}
172
173#else
174
175#define RDMSR(reg, v) \
176 __asm__ __volatile__("rdmsr" \
177 : "=A" (v) \
178 : "c" (reg))
179
180#define WRMSR(reg, v) \
181 __asm__ __volatile__("wrmsr" \
182 : /* no outputs */ \
183 : "c" (reg), "A" ((UINT64)v))
184
185#endif
186
187
188static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
189{
190 __asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx));
191}
192
193//
194// Osd routines
195//
196extern void LogMsg(const char *fmt, ...);
197
198extern void BitSet(unsigned int* addr, int value);
199extern void BitClear(unsigned int* addr, int value);
200extern int BitTest(unsigned int* addr, int value);
201extern int BitTestAndClear(unsigned int* addr, int value);
202extern int BitTestAndSet(unsigned int* addr, int value);
203
204extern int InterlockedIncrement(int *val);
205extern int InterlockedDecrement(int *val);
206extern int InterlockedCompareExchange(int *val, int new, int curr);
207
208extern void Sleep(unsigned long usecs);
209
210extern void* VirtualAllocExec(unsigned int size);
211extern void VirtualFree(void* VirtAddr);
212
213extern void* PageAlloc(unsigned int count);
214extern void PageFree(void* page, unsigned int count);
215
216extern void* MemMapIO(unsigned long phys, unsigned long size);
217extern void MemUnmapIO(void* virt);
218
219extern void* MemAlloc(unsigned int size);
220extern void* MemAllocZeroed(unsigned int size);
221extern void* MemAllocAtomic(unsigned int size);
222extern void MemFree(void* buf);
223extern void MemoryFence(VOID);
224
225extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context);
226extern void TimerClose(HANDLE hTimer);
227extern int TimerStop(HANDLE hTimer);
228extern void TimerStart(HANDLE hTimer, UINT32 expirationInUs);
229extern SIZE_T GetTickCount(void);
230
231extern HANDLE WaitEventCreate(void);
232extern void WaitEventClose(HANDLE hWait);
233extern void WaitEventSet(HANDLE hWait);
234extern int WaitEventWait(HANDLE hWait);
235
236// If >0, hWait got signaled. If ==0, timeout. If < 0, error
237extern int WaitEventWaitEx(HANDLE hWait, UINT32 TimeoutInMs);
238
239extern HANDLE SpinlockCreate(void);
240extern void SpinlockClose(HANDLE hSpin);
241extern void SpinlockAcquire(HANDLE hSpin);
242extern void SpinlockRelease(HANDLE hSpin);
243
244
245#define GetVirtualAddress Physical2LogicalAddr
246void* Physical2LogicalAddr(ULONG_PTR PhysAddr);
247
248#define GetPhysicalAddress Logical2PhysicalAddr
249ULONG_PTR Logical2PhysicalAddr(PVOID LogicalAddr);
250
251ULONG_PTR Virtual2Physical(PVOID VirtAddr);
252
253void* PageMapVirtualAddress(unsigned long Pfn);
254void PageUnmapVirtualAddress(void* VirtAddr);
255
256
257extern HANDLE WorkQueueCreate(char* name);
258extern void WorkQueueClose(HANDLE hWorkQueue);
259extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context);
260
261extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context);
262
263#endif // _OSD_H_