diff options
Diffstat (limited to 'arch/arm/mvp/mvpkm/mutex.h')
| -rw-r--r-- | arch/arm/mvp/mvpkm/mutex.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/arch/arm/mvp/mvpkm/mutex.h b/arch/arm/mvp/mvpkm/mutex.h deleted file mode 100644 index 30de97d..0000000 --- a/arch/arm/mvp/mvpkm/mutex.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Linux 2.6.32 and later Kernel module for VMware MVP Hypervisor Support - * - * Copyright (C) 2010-2012 VMware, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that 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; see the file COPYING. If not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#line 5 - -/** - * @file - * - * @brief Common mutex definitions. - */ - -#ifndef _MUTEX_H -#define _MUTEX_H - -#define INCLUDE_ALLOW_MVPD -#define INCLUDE_ALLOW_VMX -#define INCLUDE_ALLOW_MODULE -#define INCLUDE_ALLOW_MONITOR -#define INCLUDE_ALLOW_GPL -#include "include_check.h" - -#define MUTEX_CVAR_MAX 2 ///< maximum number of condition variables supported - ///< on a given mutex - -typedef enum MutexMode MutexMode; -typedef struct HKWaitQ HKWaitQ; -typedef struct Mutex Mutex; - -/** - * @brief modes for locking - */ -enum MutexMode { - MutexModeSH = 1, ///< minimum value that can be saved in low - ///< 16 bits of 'state', ie, it won't allow - ///< any other EXs in there without overflowing. - ///< it also will block if there are already - ///< 0xFFFF other shared accesses, but it should - ///< be of little consequence. - - MutexModeEX = 0xFFFF ///< maximum value that can be saved in low - ///< 16 bits of 'state', ie, it won't allow - ///< any other EXs or SHs in there without - ///< overflowing, thus causing a block. -}; - -#include "atomic.h" - -typedef union Mutex_State { - uint32 state; ///< for atomic setting/reading - struct { - uint16 mode; ///< the sum of mode values of MutexMode - uint16 blck; ///< The number of threads blocked - }; -} Mutex_State; - -/** - * @brief shareable mutex struct. - */ -struct Mutex { - HKVA mtxHKVA; ///< mutex's host kernel virtual address - AtmUInt32 state; ///< low 16 bits: # of granted shared accessors - ///< or FFFF if granted exclusive - ///< high 16 bits: # of blocked threads - AtmUInt32 waiters; ///< number of threads on all condWaitQs - ///< ... increment only with mutex locked EX - ///< ... decrement any time - AtmUInt32 blocked; ///< number times blocked (stats only) - HKVA lockWaitQ; ///< threads blocked for mutex to be unlocked - HKVA cvarWaitQs[MUTEX_CVAR_MAX]; ///< condition variables - /* - * Padding to keep binary compatibility @see{MVP-1876} - * These padding bytes can be used for debugging. - */ - int line; - int lineUnl; - uint32 pad3; - uint32 pad4; - uint32 pad5; - uint32 pad6; -}; - -#define Mutex_Lock(a, b) Mutex_LockLine(a, b, __FILE__, __LINE__) -#define Mutex_Unlock(a, b) Mutex_UnlockLine(a, b, __LINE__) -#define Mutex_UnlSleep(a, b, c) Mutex_UnlSleepLine(a, b, c, __FILE__, __LINE__) -#define Mutex_UnlSleepTest(a, b, c, d, e) Mutex_UnlSleepTestLine(a, b, c, d, e, __FILE__, __LINE__) -int Mutex_LockLine(Mutex *mutex, MutexMode mode, const char *file, int line); -void Mutex_UnlockLine(Mutex *mutex, MutexMode mode, int line); -int Mutex_UnlSleepLine(Mutex *mutex, MutexMode mode, uint32 cvi, const char *file, int line); -int Mutex_UnlSleepTestLine(Mutex *mutex, MutexMode mode, uint32 cvi, AtmUInt32 *test, uint32 mask, const char *file, int line); -void Mutex_UnlWake(Mutex *mutex, MutexMode mode, uint32 cvi, _Bool all); - -#endif |