|
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC PATCH 01/13] cpufreq: move cpufreq.h file to the xen/include/cpufreq location
Cpufreq driver should be more generalizable (not ACPI-specific).
Thus this file should be placed to the proper location.
Signed-off-by: Oleksandr Dmytryshyn <oleksandr.dmytryshyn@xxxxxxxxxxxxxxx>
---
xen/arch/x86/acpi/cpu_idle.c | 2 +-
xen/arch/x86/acpi/cpufreq/cpufreq.c | 2 +-
xen/arch/x86/acpi/cpufreq/powernow.c | 2 +-
xen/arch/x86/acpi/power.c | 2 +-
xen/arch/x86/cpu/mwait-idle.c | 2 +-
xen/drivers/acpi/pmstat.c | 2 +-
xen/drivers/cpufreq/cpufreq.c | 2 +-
xen/drivers/cpufreq/cpufreq_misc_governors.c | 2 +-
xen/drivers/cpufreq/cpufreq_ondemand.c | 4 +-
xen/drivers/cpufreq/utility.c | 2 +-
xen/include/acpi/cpufreq/cpufreq.h | 258 --------------------------
xen/include/cpufreq/cpufreq.h | 261 +++++++++++++++++++++++++++
12 files changed, 272 insertions(+), 269 deletions(-)
delete mode 100644 xen/include/acpi/cpufreq/cpufreq.h
create mode 100644 xen/include/cpufreq/cpufreq.h
diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c
index 597befa..98726ad 100644
--- a/xen/arch/x86/acpi/cpu_idle.c
+++ b/xen/arch/x86/acpi/cpu_idle.c
@@ -51,7 +51,7 @@
#include <xen/softirq.h>
#include <public/platform.h>
#include <public/sysctl.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
#include <asm/apic.h>
#include <asm/cpuidle.h>
#include <asm/mwait.h>
diff --git a/xen/arch/x86/acpi/cpufreq/cpufreq.c
b/xen/arch/x86/acpi/cpufreq/cpufreq.c
index 4a6aeb3..4569d49 100644
--- a/xen/arch/x86/acpi/cpufreq/cpufreq.c
+++ b/xen/arch/x86/acpi/cpufreq/cpufreq.c
@@ -42,7 +42,7 @@
#include <asm/percpu.h>
#include <asm/cpufeature.h>
#include <acpi/acpi.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
enum {
UNDEFINED_CAPABLE = 0,
diff --git a/xen/arch/x86/acpi/cpufreq/powernow.c
b/xen/arch/x86/acpi/cpufreq/powernow.c
index 2c9fea2..0462e31 100644
--- a/xen/arch/x86/acpi/cpufreq/powernow.c
+++ b/xen/arch/x86/acpi/cpufreq/powernow.c
@@ -36,7 +36,7 @@
#include <asm/percpu.h>
#include <asm/cpufeature.h>
#include <acpi/acpi.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
#define CPUID_6_ECX_APERFMPERF_CAPABILITY (0x1)
#define CPUID_FREQ_VOLT_CAPABILITIES 0x80000007
diff --git a/xen/arch/x86/acpi/power.c b/xen/arch/x86/acpi/power.c
index f41f0de..d139e96 100644
--- a/xen/arch/x86/acpi/power.c
+++ b/xen/arch/x86/acpi/power.c
@@ -29,7 +29,7 @@
#include <asm/tboot.h>
#include <asm/apic.h>
#include <asm/io_apic.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
uint32_t system_reset_counter = 1;
diff --git a/xen/arch/x86/cpu/mwait-idle.c b/xen/arch/x86/cpu/mwait-idle.c
index 85179f2..a00c19a 100644
--- a/xen/arch/x86/cpu/mwait-idle.c
+++ b/xen/arch/x86/cpu/mwait-idle.c
@@ -59,7 +59,7 @@
#include <asm/hpet.h>
#include <asm/mwait.h>
#include <asm/msr.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
#define MWAIT_IDLE_VERSION "0.4"
#undef PREFIX
diff --git a/xen/drivers/acpi/pmstat.c b/xen/drivers/acpi/pmstat.c
index daac2da..bd6ca43 100644
--- a/xen/drivers/acpi/pmstat.c
+++ b/xen/drivers/acpi/pmstat.c
@@ -40,7 +40,7 @@
#include <xen/acpi.h>
#include <public/sysctl.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
#include <xen/pmstat.h>
DEFINE_PER_CPU_READ_MOSTLY(struct pm_px *, cpufreq_statistic_data);
diff --git a/xen/drivers/cpufreq/cpufreq.c b/xen/drivers/cpufreq/cpufreq.c
index ab66884..884d2bb 100644
--- a/xen/drivers/cpufreq/cpufreq.c
+++ b/xen/drivers/cpufreq/cpufreq.c
@@ -44,7 +44,7 @@
#include <asm/processor.h>
#include <asm/percpu.h>
#include <acpi/acpi.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
static unsigned int __read_mostly usr_min_freq;
static unsigned int __read_mostly usr_max_freq;
diff --git a/xen/drivers/cpufreq/cpufreq_misc_governors.c
b/xen/drivers/cpufreq/cpufreq_misc_governors.c
index 746bbcd..881e4bb 100644
--- a/xen/drivers/cpufreq/cpufreq_misc_governors.c
+++ b/xen/drivers/cpufreq/cpufreq_misc_governors.c
@@ -18,7 +18,7 @@
#include <xen/init.h>
#include <xen/percpu.h>
#include <xen/sched.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
/*
* cpufreq userspace governor
diff --git a/xen/drivers/cpufreq/cpufreq_ondemand.c
b/xen/drivers/cpufreq/cpufreq_ondemand.c
index 7fdba03..f299116 100644
--- a/xen/drivers/cpufreq/cpufreq_ondemand.c
+++ b/xen/drivers/cpufreq/cpufreq_ondemand.c
@@ -1,5 +1,5 @@
/*
- * xen/arch/x86/acpi/cpufreq/cpufreq_ondemand.c
+ * xen/drivers/cpufreq/cpufreq_ondemand.c
*
* Copyright (C) 2001 Russell King
* (C) 2003 Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>.
@@ -18,7 +18,7 @@
#include <xen/types.h>
#include <xen/sched.h>
#include <xen/timer.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
#define DEF_FREQUENCY_UP_THRESHOLD (80)
#define MIN_FREQUENCY_UP_THRESHOLD (11)
diff --git a/xen/drivers/cpufreq/utility.c b/xen/drivers/cpufreq/utility.c
index 519f862..c9150a1 100644
--- a/xen/drivers/cpufreq/utility.c
+++ b/xen/drivers/cpufreq/utility.c
@@ -28,7 +28,7 @@
#include <xen/sched.h>
#include <xen/timer.h>
#include <xen/trace.h>
-#include <acpi/cpufreq/cpufreq.h>
+#include <cpufreq/cpufreq.h>
#include <public/sysctl.h>
struct cpufreq_driver *cpufreq_driver;
diff --git a/xen/include/acpi/cpufreq/cpufreq.h
b/xen/include/acpi/cpufreq/cpufreq.h
deleted file mode 100644
index f96c3e4..0000000
--- a/xen/include/acpi/cpufreq/cpufreq.h
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * xen/include/acpi/cpufreq/cpufreq.h
- *
- * Copyright (C) 2001 Russell King
- * (C) 2002 - 2003 Dominik Brodowski <linux@xxxxxxxx>
- *
- * $Id: cpufreq.h,v 1.36 2003/01/20 17:31:48 db Exp $
- *
- * 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.
- */
-
-#ifndef __XEN_CPUFREQ_PM_H__
-#define __XEN_CPUFREQ_PM_H__
-
-#include <xen/types.h>
-#include <xen/list.h>
-#include <xen/cpumask.h>
-
-#include "processor_perf.h"
-
-DECLARE_PER_CPU(spinlock_t, cpufreq_statistic_lock);
-
-extern bool_t cpufreq_verbose;
-
-struct cpufreq_governor;
-
-struct acpi_cpufreq_data {
- struct processor_performance *acpi_data;
- struct cpufreq_frequency_table *freq_table;
- unsigned int arch_cpu_flags;
-};
-
-extern struct acpi_cpufreq_data *cpufreq_drv_data[NR_CPUS];
-
-struct cpufreq_cpuinfo {
- unsigned int max_freq;
- unsigned int second_max_freq; /* P1 if Turbo Mode is on */
- unsigned int min_freq;
- unsigned int transition_latency; /* in 10^(-9) s = nanoseconds */
-};
-
-struct cpufreq_policy {
- cpumask_var_t cpus; /* affected CPUs */
- unsigned int shared_type; /* ANY or ALL affected CPUs
- should set cpufreq */
- unsigned int cpu; /* cpu nr of registered CPU */
- struct cpufreq_cpuinfo cpuinfo;
-
- unsigned int min; /* in kHz */
- unsigned int max; /* in kHz */
- unsigned int cur; /* in kHz, only needed if cpufreq
- * governors are used */
- struct cpufreq_governor *governor;
-
- bool_t resume; /* flag for cpufreq 1st run
- * S3 wakeup, hotplug cpu, etc */
- s8 turbo; /* tristate flag: 0 for unsupported
- * -1 for disable, 1 for enabled
- * See CPUFREQ_TURBO_* below for defines */
- bool_t aperf_mperf; /* CPU has APERF/MPERF MSRs */
-};
-DECLARE_PER_CPU(struct cpufreq_policy *, cpufreq_cpu_policy);
-
-extern int __cpufreq_set_policy(struct cpufreq_policy *data,
- struct cpufreq_policy *policy);
-
-void cpufreq_cmdline_parse(char *);
-
-#define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
-#define CPUFREQ_SHARED_TYPE_HW (1) /* HW does needed coordination */
-#define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */
-#define CPUFREQ_SHARED_TYPE_ANY (3) /* Freq can be set from any dependent
CPU*/
-
-/******************** cpufreq transition notifiers *******************/
-
-struct cpufreq_freqs {
- unsigned int cpu; /* cpu nr */
- unsigned int old;
- unsigned int new;
- u8 flags; /* flags of cpufreq_driver, see below. */
-};
-
-
-/*********************************************************************
- * CPUFREQ GOVERNORS *
- *********************************************************************/
-
-#define CPUFREQ_GOV_START 1
-#define CPUFREQ_GOV_STOP 2
-#define CPUFREQ_GOV_LIMITS 3
-
-struct cpufreq_governor {
- char name[CPUFREQ_NAME_LEN];
- int (*governor)(struct cpufreq_policy *policy,
- unsigned int event);
- bool_t (*handle_option)(const char *name, const char *value);
- struct list_head governor_list;
-};
-
-extern struct cpufreq_governor *cpufreq_opt_governor;
-extern struct cpufreq_governor cpufreq_gov_dbs;
-extern struct cpufreq_governor cpufreq_gov_userspace;
-extern struct cpufreq_governor cpufreq_gov_performance;
-extern struct cpufreq_governor cpufreq_gov_powersave;
-
-extern struct list_head cpufreq_governor_list;
-
-extern int cpufreq_register_governor(struct cpufreq_governor *governor);
-extern struct cpufreq_governor *__find_governor(const char *governor);
-#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_dbs
-
-/* pass a target to the cpufreq driver */
-extern int __cpufreq_driver_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation);
-
-#define GOV_GETAVG 1
-#define USR_GETAVG 2
-extern int cpufreq_driver_getavg(unsigned int cpu, unsigned int flag);
-
-#define CPUFREQ_TURBO_DISABLED -1
-#define CPUFREQ_TURBO_UNSUPPORTED 0
-#define CPUFREQ_TURBO_ENABLED 1
-
-extern int cpufreq_update_turbo(int cpuid, int new_state);
-extern int cpufreq_get_turbo_status(int cpuid);
-
-static __inline__ int
-__cpufreq_governor(struct cpufreq_policy *policy, unsigned int event)
-{
- return policy->governor->governor(policy, event);
-}
-
-
-/*********************************************************************
- * CPUFREQ DRIVER INTERFACE *
- *********************************************************************/
-
-#define CPUFREQ_RELATION_L 0 /* lowest frequency at or above target */
-#define CPUFREQ_RELATION_H 1 /* highest frequency below or at target */
-
-struct cpufreq_driver {
- char name[CPUFREQ_NAME_LEN];
- int (*init)(struct cpufreq_policy *policy);
- int (*verify)(struct cpufreq_policy *policy);
- int (*update)(int cpuid, struct cpufreq_policy *policy);
- int (*target)(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation);
- unsigned int (*get)(unsigned int cpu);
- unsigned int (*getavg)(unsigned int cpu, unsigned int flag);
- int (*exit)(struct cpufreq_policy *policy);
-};
-
-extern struct cpufreq_driver *cpufreq_driver;
-
-static __inline__
-int cpufreq_register_driver(struct cpufreq_driver *driver_data)
-{
- if (!driver_data ||
- !driver_data->init ||
- !driver_data->exit ||
- !driver_data->verify ||
- !driver_data->target)
- return -EINVAL;
-
- if (cpufreq_driver)
- return -EBUSY;
-
- cpufreq_driver = driver_data;
- return 0;
-}
-
-static __inline__
-int cpufreq_unregister_driver(struct cpufreq_driver *driver)
-{
- if (!cpufreq_driver || (driver != cpufreq_driver))
- return -EINVAL;
-
- cpufreq_driver = NULL;
- return 0;
-}
-
-static __inline__
-void cpufreq_verify_within_limits(struct cpufreq_policy *policy,
- unsigned int min, unsigned int max)
-{
- if (policy->min < min)
- policy->min = min;
- if (policy->max < min)
- policy->max = min;
- if (policy->min > max)
- policy->min = max;
- if (policy->max > max)
- policy->max = max;
- if (policy->min > policy->max)
- policy->min = policy->max;
- return;
-}
-
-
-/*********************************************************************
- * FREQUENCY TABLE HELPERS *
- *********************************************************************/
-
-#define CPUFREQ_ENTRY_INVALID ~0
-#define CPUFREQ_TABLE_END ~1
-
-struct cpufreq_frequency_table {
- unsigned int index; /* any */
- unsigned int frequency; /* kHz - doesn't need to be in ascending
- * order */
-};
-
-int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
- struct cpufreq_frequency_table *table);
-
-int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
- struct cpufreq_frequency_table *table);
-
-int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
- struct cpufreq_frequency_table *table,
- unsigned int target_freq,
- unsigned int relation,
- unsigned int *index);
-
-
-/*********************************************************************
- * UNIFIED DEBUG HELPERS *
- *********************************************************************/
-
-struct cpu_dbs_info_s {
- uint64_t prev_cpu_idle;
- uint64_t prev_cpu_wall;
- struct cpufreq_policy *cur_policy;
- struct cpufreq_frequency_table *freq_table;
- int cpu;
- unsigned int enable:1;
- unsigned int stoppable:1;
- unsigned int turbo_enabled:1;
-};
-
-int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int event);
-int get_cpufreq_ondemand_para(uint32_t *sampling_rate_max,
- uint32_t *sampling_rate_min,
- uint32_t *sampling_rate,
- uint32_t *up_threshold);
-int write_ondemand_sampling_rate(unsigned int sampling_rate);
-int write_ondemand_up_threshold(unsigned int up_threshold);
-
-int write_userspace_scaling_setspeed(unsigned int cpu, unsigned int freq);
-
-void cpufreq_dbs_timer_suspend(void);
-void cpufreq_dbs_timer_resume(void);
-
-#endif /* __XEN_CPUFREQ_PM_H__ */
diff --git a/xen/include/cpufreq/cpufreq.h b/xen/include/cpufreq/cpufreq.h
new file mode 100644
index 0000000..04716f9
--- /dev/null
+++ b/xen/include/cpufreq/cpufreq.h
@@ -0,0 +1,261 @@
+/*
+ * xen/include/cpufreq/cpufreq.h
+ *
+ * Copyright (C) 2001 Russell King
+ * (C) 2002 - 2003 Dominik Brodowski <linux@xxxxxxxx>
+ *
+ * $Id: cpufreq.h,v 1.36 2003/01/20 17:31:48 db Exp $
+ *
+ * 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.
+ */
+
+#ifndef __XEN_CPUFREQ_PM_H__
+#define __XEN_CPUFREQ_PM_H__
+
+#include <xen/types.h>
+#include <xen/list.h>
+#include <xen/percpu.h>
+#include <xen/spinlock.h>
+#include <xen/errno.h>
+#include <xen/cpumask.h>
+
+#include <acpi/cpufreq/processor_perf.h>
+
+DECLARE_PER_CPU(spinlock_t, cpufreq_statistic_lock);
+
+extern bool_t cpufreq_verbose;
+
+struct cpufreq_governor;
+
+struct acpi_cpufreq_data {
+ struct processor_performance *acpi_data;
+ struct cpufreq_frequency_table *freq_table;
+ unsigned int arch_cpu_flags;
+};
+
+extern struct acpi_cpufreq_data *cpufreq_drv_data[NR_CPUS];
+
+struct cpufreq_cpuinfo {
+ unsigned int max_freq;
+ unsigned int second_max_freq; /* P1 if Turbo Mode is on */
+ unsigned int min_freq;
+ unsigned int transition_latency; /* in 10^(-9) s = nanoseconds */
+};
+
+struct cpufreq_policy {
+ cpumask_var_t cpus; /* affected CPUs */
+ unsigned int shared_type; /* ANY or ALL affected CPUs
+ should set cpufreq */
+ unsigned int cpu; /* cpu nr of registered CPU */
+ struct cpufreq_cpuinfo cpuinfo;
+
+ unsigned int min; /* in kHz */
+ unsigned int max; /* in kHz */
+ unsigned int cur; /* in kHz, only needed if cpufreq
+ * governors are used */
+ struct cpufreq_governor *governor;
+
+ bool_t resume; /* flag for cpufreq 1st run
+ * S3 wakeup, hotplug cpu, etc */
+ s8 turbo; /* tristate flag: 0 for unsupported
+ * -1 for disable, 1 for enabled
+ * See CPUFREQ_TURBO_* below for defines */
+ bool_t aperf_mperf; /* CPU has APERF/MPERF MSRs */
+};
+DECLARE_PER_CPU(struct cpufreq_policy *, cpufreq_cpu_policy);
+
+extern int __cpufreq_set_policy(struct cpufreq_policy *data,
+ struct cpufreq_policy *policy);
+
+void cpufreq_cmdline_parse(char *);
+
+#define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
+#define CPUFREQ_SHARED_TYPE_HW (1) /* HW does needed coordination */
+#define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */
+#define CPUFREQ_SHARED_TYPE_ANY (3) /* Freq can be set from any dependent
CPU*/
+
+/******************** cpufreq transition notifiers *******************/
+
+struct cpufreq_freqs {
+ unsigned int cpu; /* cpu nr */
+ unsigned int old;
+ unsigned int new;
+ u8 flags; /* flags of cpufreq_driver, see below. */
+};
+
+
+/*********************************************************************
+ * CPUFREQ GOVERNORS *
+ *********************************************************************/
+
+#define CPUFREQ_GOV_START 1
+#define CPUFREQ_GOV_STOP 2
+#define CPUFREQ_GOV_LIMITS 3
+
+struct cpufreq_governor {
+ char name[CPUFREQ_NAME_LEN];
+ int (*governor)(struct cpufreq_policy *policy,
+ unsigned int event);
+ bool_t (*handle_option)(const char *name, const char *value);
+ struct list_head governor_list;
+};
+
+extern struct cpufreq_governor *cpufreq_opt_governor;
+extern struct cpufreq_governor cpufreq_gov_dbs;
+extern struct cpufreq_governor cpufreq_gov_userspace;
+extern struct cpufreq_governor cpufreq_gov_performance;
+extern struct cpufreq_governor cpufreq_gov_powersave;
+
+extern struct list_head cpufreq_governor_list;
+
+extern int cpufreq_register_governor(struct cpufreq_governor *governor);
+extern struct cpufreq_governor *__find_governor(const char *governor);
+#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_dbs
+
+/* pass a target to the cpufreq driver */
+extern int __cpufreq_driver_target(struct cpufreq_policy *policy,
+ unsigned int target_freq,
+ unsigned int relation);
+
+#define GOV_GETAVG 1
+#define USR_GETAVG 2
+extern int cpufreq_driver_getavg(unsigned int cpu, unsigned int flag);
+
+#define CPUFREQ_TURBO_DISABLED -1
+#define CPUFREQ_TURBO_UNSUPPORTED 0
+#define CPUFREQ_TURBO_ENABLED 1
+
+extern int cpufreq_update_turbo(int cpuid, int new_state);
+extern int cpufreq_get_turbo_status(int cpuid);
+
+static __inline__ int
+__cpufreq_governor(struct cpufreq_policy *policy, unsigned int event)
+{
+ return policy->governor->governor(policy, event);
+}
+
+
+/*********************************************************************
+ * CPUFREQ DRIVER INTERFACE *
+ *********************************************************************/
+
+#define CPUFREQ_RELATION_L 0 /* lowest frequency at or above target */
+#define CPUFREQ_RELATION_H 1 /* highest frequency below or at target */
+
+struct cpufreq_driver {
+ char name[CPUFREQ_NAME_LEN];
+ int (*init)(struct cpufreq_policy *policy);
+ int (*verify)(struct cpufreq_policy *policy);
+ int (*update)(int cpuid, struct cpufreq_policy *policy);
+ int (*target)(struct cpufreq_policy *policy,
+ unsigned int target_freq,
+ unsigned int relation);
+ unsigned int (*get)(unsigned int cpu);
+ unsigned int (*getavg)(unsigned int cpu, unsigned int flag);
+ int (*exit)(struct cpufreq_policy *policy);
+};
+
+extern struct cpufreq_driver *cpufreq_driver;
+
+static __inline__
+int cpufreq_register_driver(struct cpufreq_driver *driver_data)
+{
+ if (!driver_data ||
+ !driver_data->init ||
+ !driver_data->exit ||
+ !driver_data->verify ||
+ !driver_data->target)
+ return -EINVAL;
+
+ if (cpufreq_driver)
+ return -EBUSY;
+
+ cpufreq_driver = driver_data;
+ return 0;
+}
+
+static __inline__
+int cpufreq_unregister_driver(struct cpufreq_driver *driver)
+{
+ if (!cpufreq_driver || (driver != cpufreq_driver))
+ return -EINVAL;
+
+ cpufreq_driver = NULL;
+ return 0;
+}
+
+static __inline__
+void cpufreq_verify_within_limits(struct cpufreq_policy *policy,
+ unsigned int min, unsigned int max)
+{
+ if (policy->min < min)
+ policy->min = min;
+ if (policy->max < min)
+ policy->max = min;
+ if (policy->min > max)
+ policy->min = max;
+ if (policy->max > max)
+ policy->max = max;
+ if (policy->min > policy->max)
+ policy->min = policy->max;
+ return;
+}
+
+
+/*********************************************************************
+ * FREQUENCY TABLE HELPERS *
+ *********************************************************************/
+
+#define CPUFREQ_ENTRY_INVALID ~0
+#define CPUFREQ_TABLE_END ~1
+
+struct cpufreq_frequency_table {
+ unsigned int index; /* any */
+ unsigned int frequency; /* kHz - doesn't need to be in ascending
+ * order */
+};
+
+int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
+ struct cpufreq_frequency_table *table);
+
+int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
+ struct cpufreq_frequency_table *table);
+
+int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
+ struct cpufreq_frequency_table *table,
+ unsigned int target_freq,
+ unsigned int relation,
+ unsigned int *index);
+
+
+/*********************************************************************
+ * UNIFIED DEBUG HELPERS *
+ *********************************************************************/
+
+struct cpu_dbs_info_s {
+ uint64_t prev_cpu_idle;
+ uint64_t prev_cpu_wall;
+ struct cpufreq_policy *cur_policy;
+ struct cpufreq_frequency_table *freq_table;
+ int cpu;
+ unsigned int enable:1;
+ unsigned int stoppable:1;
+ unsigned int turbo_enabled:1;
+};
+
+int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int event);
+int get_cpufreq_ondemand_para(uint32_t *sampling_rate_max,
+ uint32_t *sampling_rate_min,
+ uint32_t *sampling_rate,
+ uint32_t *up_threshold);
+int write_ondemand_sampling_rate(unsigned int sampling_rate);
+int write_ondemand_up_threshold(unsigned int up_threshold);
+
+int write_userspace_scaling_setspeed(unsigned int cpu, unsigned int freq);
+
+void cpufreq_dbs_timer_suspend(void);
+void cpufreq_dbs_timer_resume(void);
+
+#endif /* __XEN_CPUFREQ_PM_H__ */
--
1.9.1
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel
|
 |
Lists.xenproject.org is hosted with RackSpace, monitoring our |