Differential D5364 Diff 13627 sys/dev/acpica/acpi_cpu.c

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sys/dev/acpica/acpi_cpu.c

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static device_t acpi_cpu_add_child(device_t dev, u_int order, const char *name,		static device_t acpi_cpu_add_child(device_t dev, u_int order, const char *name,
int unit);		int unit);
static int acpi_cpu_read_ivar(device_t dev, device_t child, int index,		static int acpi_cpu_read_ivar(device_t dev, device_t child, int index,
uintptr_t *result);		uintptr_t *result);
static int acpi_cpu_shutdown(device_t dev);		static int acpi_cpu_shutdown(device_t dev);
static void acpi_cpu_cx_probe(struct acpi_cpu_softc *sc);		static void acpi_cpu_cx_probe(struct acpi_cpu_softc *sc);
static void acpi_cpu_generic_cx_probe(struct acpi_cpu_softc *sc);		static void acpi_cpu_generic_cx_probe(struct acpi_cpu_softc *sc);
static int acpi_cpu_cx_cst(struct acpi_cpu_softc *sc);		static int acpi_cpu_cx_cst(struct acpi_cpu_softc *sc);
static void acpi_cpu_startup(void *arg);		static void acpi_cpu_startup(void);
static void acpi_cpu_startup_cx(struct acpi_cpu_softc *sc);		static void acpi_cpu_startup_cx(struct acpi_cpu_softc *sc);
static void acpi_cpu_cx_list(struct acpi_cpu_softc *sc);		static void acpi_cpu_cx_list(struct acpi_cpu_softc *sc);
#if defined(__i386__) \|\| defined(__amd64__)		#if defined(__i386__) \|\| defined(__amd64__)
static void acpi_cpu_idle(sbintime_t sbt);		static void acpi_cpu_idle(sbintime_t sbt);
#endif		#endif
static void acpi_cpu_notify(ACPI_HANDLE h, UINT32 notify, void *context);		static void acpi_cpu_notify(ACPI_HANDLE h, UINT32 notify, void *context);
static void acpi_cpu_quirks(void);		static void acpi_cpu_quirks(void);
static void acpi_cpu_quirks_piix4(void);		static void acpi_cpu_quirks_piix4(void);
▲ Show 20 Lines • Show All 158 Lines • ▼ Show 20 Lines	acpi_cpu_attach(device_t dev)
cpu_cx_generic = FALSE;		cpu_cx_generic = FALSE;

/* Install hw.acpi.cpu sysctl tree */		/* Install hw.acpi.cpu sysctl tree */
acpi_sc = acpi_device_get_parent_softc(dev);		acpi_sc = acpi_device_get_parent_softc(dev);
sysctl_ctx_init(&cpu_sysctl_ctx);		sysctl_ctx_init(&cpu_sysctl_ctx);
cpu_sysctl_tree = SYSCTL_ADD_NODE(&cpu_sysctl_ctx,		cpu_sysctl_tree = SYSCTL_ADD_NODE(&cpu_sysctl_ctx,
SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, "cpu",		SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, "cpu",
CTLFLAG_RD, 0, "node for CPU children");		CTLFLAG_RD, 0, "node for CPU children");

/* Queue post cpu-probing task handler */
AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_cpu_startup, NULL);
}		}

/*		/*
* Before calling any CPU methods, collect child driver feature hints		* Before calling any CPU methods, collect child driver feature hints
* and notify ACPI of them. We support unified SMP power control		* and notify ACPI of them. We support unified SMP power control
* so advertise this ourselves. Note this is not the same as independent		* so advertise this ourselves. Note this is not the same as independent
* SMP control where each CPU can have different settings.		* SMP control where each CPU can have different settings.
*/		*/
▲ Show 20 Lines • Show All 72 Lines • ▼ Show 20 Lines	acpi_cpu_postattach(void *unused __unused)
printf("devclass_get_devices(acpi_cpu_devclass) failed\n");		printf("devclass_get_devices(acpi_cpu_devclass) failed\n");
return;		return;
}		}
for (i = 0; i < n; i++)		for (i = 0; i < n; i++)
bus_generic_probe(devices[i]);		bus_generic_probe(devices[i]);
for (i = 0; i < n; i++)		for (i = 0; i < n; i++)
bus_generic_attach(devices[i]);		bus_generic_attach(devices[i]);
free(devices, M_TEMP);		free(devices, M_TEMP);

		/* Run startup after all cpu is attached */
		acpi_cpu_startup();
}		}

SYSINIT(acpi_cpu, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE,		SYSINIT(acpi_cpu, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE,
acpi_cpu_postattach, NULL);		acpi_cpu_postattach, NULL);

static void		static void
disable_idle(struct acpi_cpu_softc *sc)		disable_idle(struct acpi_cpu_softc *sc)
{		{
▲ Show 20 Lines • Show All 484 Lines • ▼ Show 20 Lines	cx_ptr->trans_lat = 0;

return (0);		return (0);
}		}

/*		/*
* Call this after all CPUs have been attached.		* Call this after all CPUs have been attached.
*/		*/
static void		static void
acpi_cpu_startup(void *arg)		acpi_cpu_startup(void)
{		{
struct acpi_cpu_softc *sc;		struct acpi_cpu_softc *sc;
int i;		int i;

/* Get set of CPU devices */		/* Get set of CPU devices */
devclass_get_devices(acpi_cpu_devclass, &cpu_devices, &cpu_ndevices);		devclass_get_devices(acpi_cpu_devclass, &cpu_devices, &cpu_ndevices);

/*		/*
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