diff options
Diffstat (limited to 'usr/src/uts/common/sys/cpudrv.h')
| -rw-r--r-- | usr/src/uts/common/sys/cpudrv.h | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/usr/src/uts/common/sys/cpudrv.h b/usr/src/uts/common/sys/cpudrv.h index 782d8f509c..4cf4e4d1b6 100644 --- a/usr/src/uts/common/sys/cpudrv.h +++ b/usr/src/uts/common/sys/cpudrv.h @@ -76,10 +76,10 @@ typedef struct cpudrv_pm { cpudrv_pm_spd_t *cur_spd; /* ptr to current speed */ uint_t num_spd; /* number of speeds */ hrtime_t lastquan_mstate[NCMSTATES]; /* last quantum's mstate */ - clock_t lastquan_ticks; /* last quantum's clock tick */ + clock_t lastquan_ticks; /* last quantum's clock tick */ int pm_busycnt; /* pm_busy_component() count */ taskq_t *tq; /* taskq handler for CPU monitor */ - timeout_id_t timeout_id; /* cpudrv_pm_monitor()'s timeout_id */ + timeout_id_t timeout_id; /* cpudrv_monitor()'s timeout_id */ int timeout_count; /* count dispatched timeouts */ kmutex_t timeout_lock; /* protect timeout_count */ kcondvar_t timeout_cv; /* wait on timeout_count change */ @@ -94,31 +94,31 @@ typedef struct cpudrv_pm { * Idle & user threads water marks in percentage */ #if defined(__x86) -#define CPUDRV_PM_IDLE_HWM 85 /* idle high water mark */ -#define CPUDRV_PM_IDLE_LWM 70 /* idle low water mark */ -#define CPUDRV_PM_IDLE_BLWM_CNT_MAX 1 /* # of iters idle can be < lwm */ -#define CPUDRV_PM_IDLE_BHWM_CNT_MAX 1 /* # of iters idle can be < hwm */ +#define CPUDRV_IDLE_HWM 85 /* idle high water mark */ +#define CPUDRV_IDLE_LWM 70 /* idle low water mark */ +#define CPUDRV_IDLE_BLWM_CNT_MAX 1 /* # of iters idle can be < lwm */ +#define CPUDRV_IDLE_BHWM_CNT_MAX 1 /* # of iters idle can be < hwm */ #else -#define CPUDRV_PM_IDLE_HWM 98 /* idle high water mark */ -#define CPUDRV_PM_IDLE_LWM 8 /* idle low water mark */ -#define CPUDRV_PM_IDLE_BLWM_CNT_MAX 2 /* # of iters idle can be < lwm */ -#define CPUDRV_PM_IDLE_BHWM_CNT_MAX 2 /* # of iters idle can be < hwm */ +#define CPUDRV_IDLE_HWM 98 /* idle high water mark */ +#define CPUDRV_IDLE_LWM 8 /* idle low water mark */ +#define CPUDRV_IDLE_BLWM_CNT_MAX 2 /* # of iters idle can be < lwm */ +#define CPUDRV_IDLE_BHWM_CNT_MAX 2 /* # of iters idle can be < hwm */ #endif -#define CPUDRV_PM_USER_HWM 20 /* user high water mark */ -#define CPUDRV_PM_IDLE_BUF_ZONE 4 /* buffer zone when going down */ +#define CPUDRV_USER_HWM 20 /* user high water mark */ +#define CPUDRV_IDLE_BUF_ZONE 4 /* buffer zone when going down */ /* * Maximums for creating 'pm-components' property */ -#define CPUDRV_PM_COMP_MAX_DIG 4 /* max digits in power level */ +#define CPUDRV_COMP_MAX_DIG 4 /* max digits in power level */ /* or divisor */ -#define CPUDRV_PM_COMP_MAX_VAL 9999 /* max value in above digits */ +#define CPUDRV_COMP_MAX_VAL 9999 /* max value in above digits */ /* * Component number for calls to PM framework */ -#define CPUDRV_PM_COMP_NUM 0 /* first component is 0 */ +#define CPUDRV_COMP_NUM 0 /* first component is 0 */ /* * Quantum counts for normal and other clock speeds in terms of ticks. @@ -132,26 +132,26 @@ typedef struct cpudrv_pm { * that we monitor less frequently. * * We reach a tradeoff between these two requirements by monitoring - * more frequently when we are in low speed mode (CPUDRV_PM_QUANT_CNT_OTHR) + * more frequently when we are in low speed mode (CPUDRV_QUANT_CNT_OTHR) * so we can bring the CPU up without user noticing it. Moreover, at low * speed we are not using CPU much so extra code execution should be fine. * Since we are in no hurry to bring CPU down and at normal speed and we * might really be using the CPU fully, we monitor less frequently - * (CPUDRV_PM_QUANT_CNT_NORMAL). + * (CPUDRV_QUANT_CNT_NORMAL). */ #if defined(__x86) -#define CPUDRV_PM_QUANT_CNT_NORMAL (hz * 1) /* 1 sec */ +#define CPUDRV_QUANT_CNT_NORMAL (hz * 1) /* 1 sec */ #else -#define CPUDRV_PM_QUANT_CNT_NORMAL (hz * 5) /* 5 sec */ +#define CPUDRV_QUANT_CNT_NORMAL (hz * 5) /* 5 sec */ #endif -#define CPUDRV_PM_QUANT_CNT_OTHR (hz * 1) /* 1 sec */ +#define CPUDRV_QUANT_CNT_OTHR (hz * 1) /* 1 sec */ /* * Taskq parameters */ -#define CPUDRV_PM_TASKQ_THREADS 1 /* # threads to run CPU monitor */ -#define CPUDRV_PM_TASKQ_MIN 2 /* min # of taskq entries */ -#define CPUDRV_PM_TASKQ_MAX 2 /* max # of taskq entries */ +#define CPUDRV_TASKQ_THREADS 1 /* # threads to run CPU monitor */ +#define CPUDRV_TASKQ_MIN 2 /* min # of taskq entries */ +#define CPUDRV_TASKQ_MAX 2 /* max # of taskq entries */ /* @@ -159,13 +159,14 @@ typedef struct cpudrv_pm { */ typedef struct cpudrv_devstate { dev_info_t *dip; /* devinfo handle */ + cpu_t *cp; /* CPU data for this node */ processorid_t cpu_id; /* CPU number for this node */ cpudrv_pm_t cpudrv_pm; /* power management data */ kmutex_t lock; /* protects state struct */ - void *mach_state; /* machine specific state */ } cpudrv_devstate_t; extern void *cpudrv_state; +extern boolean_t cpudrv_enabled; /* * Debugging definitions @@ -191,12 +192,13 @@ extern uint_t cpudrv_debug; #define DPRINTF(flag, args) #endif /* DEBUG */ -extern int cpudrv_pm_change_speed(cpudrv_devstate_t *, cpudrv_pm_spd_t *); -extern boolean_t cpudrv_pm_get_cpu_id(dev_info_t *, processorid_t *); -extern boolean_t cpudrv_pm_power_ready(void); -extern boolean_t cpudrv_pm_is_governor_thread(cpudrv_pm_t *); -extern boolean_t cpudrv_mach_pm_init(cpudrv_devstate_t *); -extern void cpudrv_mach_pm_free(cpudrv_devstate_t *); +extern int cpudrv_change_speed(cpudrv_devstate_t *, cpudrv_pm_spd_t *); +extern boolean_t cpudrv_get_cpu_id(dev_info_t *, processorid_t *); +extern boolean_t cpudrv_is_governor_thread(cpudrv_pm_t *); +extern boolean_t cpudrv_mach_init(cpudrv_devstate_t *); +extern boolean_t cpudrv_power_ready(void); +extern boolean_t cpudrv_is_enabled(cpudrv_devstate_t *); +extern void cpudrv_set_supp_freqs(cpudrv_devstate_t *); #endif /* _KERNEL */ |