openharmony_kernel_liteos_a/kernel/extended/plimit/los_plimits.h

115 lines
4.0 KiB
C

/*
* Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_PLIMITS_H
#define _LOS_PLIMITS_H
#include "los_list.h"
#include "los_typedef.h"
#include "los_processlimit.h"
#include "los_memlimit.h"
#include "los_ipclimit.h"
#include "los_devicelimit.h"
#include "los_schedlimit.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/* proc limit set lock */
#define PLIMITS_MIN_PERIOD_IN_US 1000000
#define PLIMITS_MIN_QUOTA_IN_US 1
#define PLIMITS_DELETE_WAIT_TIME 1000
typedef struct ProcessCB LosProcessCB;
enum ProcLimiterID {
PROCESS_LIMITER_ID_PIDS = 0,
#ifdef LOSCFG_KERNEL_MEM_PLIMIT
PROCESS_LIMITER_ID_MEM,
#endif
#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
PROCESS_LIMITER_ID_SCHED,
#endif
#ifdef LOSCFG_KERNEL_DEV_PLIMIT
PROCESS_LIMITER_ID_DEV,
#endif
#ifdef LOSCFG_KERNEL_IPC_PLIMIT
PROCESS_LIMITER_ID_IPC,
#endif
PROCESS_LIMITER_COUNT,
};
typedef struct {
#ifdef LOSCFG_KERNEL_MEM_PLIMIT
UINT64 memUsed;
#endif
#ifdef LOSCFG_KERNEL_IPC_PLIMIT
UINT32 mqCount;
UINT32 shmSize;
#endif
#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
UINT64 allRuntime;
#endif
} PLimitsData;
typedef struct TagPLimiterSet {
struct TagPLimiterSet *parent; /* plimite parent */
LOS_DL_LIST childList; /* plimite childList */
LOS_DL_LIST processList;
UINT32 pidCount;
UINTPTR limitsList[PROCESS_LIMITER_COUNT]; /* plimite list */
UINT32 mask; /* each bit indicates that a limite exists */
UINT8 level; /* plimits hierarchy level */
} ProcLimiterSet;
typedef struct ProcessCB LosProcessCB;
ProcLimiterSet *OsRootPLimitsGet(VOID);
UINT32 OsPLimitsAddProcess(ProcLimiterSet *plimits, LosProcessCB *processCB);
UINT32 OsPLimitsAddPid(ProcLimiterSet *plimits, UINT32 pid);
VOID OsPLimitsDeleteProcess(LosProcessCB *processCB);
UINT32 OsPLimitsPidsGet(const ProcLimiterSet *plimits, UINT32 *pids, UINT32 size);
UINT32 OsPLimitsFree(ProcLimiterSet *currPLimits);
ProcLimiterSet *OsPLimitsCreate(ProcLimiterSet *parentProcLimiterSet);
UINT32 OsProcLimiterSetInit(VOID);
UINT32 OsPLimitsMemUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size);
UINT32 OsPLimitsIPCStatGet(ProcLimiterSet *plimits, ProcIPCLimit *ipc, UINT32 size);
UINT32 OsPLimitsSchedUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_PLIMITS_H */