original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
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+/* pwrCpuMonLib.h - CPU load monitor library header file */
+
+/*
+ * Copyright (c) 2011 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute, modify or otherwise make use
+ * of this software may be licensed only pursuant to the terms
+ * of an applicable Wind River license agreement.
+ */
+
+/*
+modification history
+--------------------
+01h,19oct11,sem  WIND00312771 - Update timestamp API
+01g,19sep11,jlv  Add pwrCpuMonConfigGet API
+01f,25aug11,sem  WIND00295172 - Remove pwrCpuMonIdGet
+01e,22aug11,jlv  WIND00295172 - Remove CPU PowerId
+01d,16aug11,sem  WIND00255354 - Optimize for SMP
+01c,10aug11,sem  WIND00292261 - Update load monitor timestamping
+01b,02aug11,sem  Add support for sleep headroom - Reqt WIND00255354
+01a,15jul11,sem  created - Reqt WIND00255354
+*/
+
+#ifndef __INCpwrCpuMonLibh
+#define __INCpwrCpuMonLibh
+
+#include <vxWorks.h>
+#include <vsbConfig.h>
+#include <hwif/pwr/pwrPolicyLib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* CPU monitor timestamp type */
+
+#if (CPU_FAMILY == I80X86) && (CPU != PENTIUM)
+typedef UINT64 PWR_CPU_MON_TIMESTAMP;
+#else
+typedef UINT32 PWR_CPU_MON_TIMESTAMP;
+#endif /* ((CPU_FAMILY == I80X86) && (CPU != PENTIUM)) */
+
+/* CPU monitor timestamp routine signatures */
+
+typedef PWR_CPU_MON_TIMESTAMP (*pwrCpuMonTimestampGet_func)(void);
+typedef void   (*pwrCpuMonTimestampReset_func)(void);
+
+/* CPU montitor event handler routine signature */
+
+typedef void (*pwrCpuMonEventRtn) (UINT32 param, UINT32 cpuNum);
+ 
+ /* CPU monitor event handler routines and parameters */
+ 
+typedef struct pwrCpuMonEventHandlers
+    {
+    pwrCpuMonEventRtn    lowHeadroomAlarmRtn;    /* callback routine for low headroom alarm events */
+    UINT32               lowHeadroomAlarmParam;  /* callback parameter for low headroom alarm events */
+    pwrCpuMonEventRtn    lowHeadroomRtn;         /* callback routine for low headroom events */
+    UINT32               lowHeadroomParam;       /* callback parameter for low headroom events */
+    pwrCpuMonEventRtn    sleepHeadroomRtn;       /* callback routine for sleep headroom events */
+    UINT32               sleepHeadroomParam;     /* callback parameter for sleep headroom events */
+    pwrCpuMonEventRtn    highHeadroomRtn;        /* callback routine for high headroom events */
+    UINT32               highHeadroomParam;      /* callback parameter for high headroom events */
+    } PWR_CPU_MON_EVENT_HANDLERS;
+
+/* CPU monitor utilization handler routine signature */
+
+typedef UINT32 (*pwrCpuMonUtilRtn) (UINT32 param, UINT32 cpuNum);
+
+/* CPU monitor utilization handlers and parameters */
+
+typedef struct pwrCpuMonUtilHandlers
+    {
+    pwrCpuMonUtilRtn     utilRtn;         /* callback routine for cpu utilization */          
+    UINT32               utilParam;       /* callback parameter for cpu utilization */        
+    } PWR_CPU_MON_UTIL_HANDLERS;
+    
+/* CPU monitor metrics */
+
+typedef struct pwrCpuMonMetrics
+    {
+    UINT32        util;                    /* utilization computed over last completed sample interval */
+    UINT32        sampleCnt;               /* sample intervals completed */
+    UINT32        intrCnt;                 /* interrupt count from last completed sample interval */
+    } PWR_CPU_MON_METRICS;
+
+/* timestamp functions */
+
+extern pwrCpuMonTimestampGet_func pwrCpuMonTimestampGetFunc;
+extern pwrCpuMonTimestampReset_func pwrCpuMonTimestampResetFunc;
+    
+extern STATUS pwrCpuMonLibInit (void);
+extern STATUS pwrCpuMonReset (UINT32 cpuNum);
+extern STATUS pwrCpuMonConfigure (UINT32 cpuNum, PWR_POLICY_CPU *cfg);
+extern STATUS pwrCpuMonConfigGet (UINT32 cpuNum, PWR_POLICY_CPU *cfg);
+extern STATUS pwrCpuMonEventRegister (UINT32 cpuNum, PWR_CPU_MON_EVENT_HANDLERS *handlers);
+extern STATUS pwrCpuMonUtilRegister (UINT32 cpuNum, PWR_CPU_MON_UTIL_HANDLERS *handlers);
+extern UINT32 pwrCpuMonUtilGet (UINT32 cpuNum);
+extern STATUS pwrCpuMonMetricsGet (UINT32 cpuNum, PWR_CPU_MON_METRICS *metrics);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCpwrCpuMonLibh */