diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/file.h | 1 | ||||
-rw-r--r-- | include/linux/page-flags.h | 2 | ||||
-rw-r--r-- | include/linux/pm_qos.h | 81 | ||||
-rw-r--r-- | include/linux/pm_runtime.h | 12 | ||||
-rw-r--r-- | include/linux/socket.h | 3 | ||||
-rw-r--r-- | include/linux/vmalloc.h | 5 | ||||
-rw-r--r-- | include/trace/events/power.h | 59 |
7 files changed, 77 insertions, 86 deletions
diff --git a/include/linux/file.h b/include/linux/file.h index c6c7b24ea9f7..142d102f285e 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -85,6 +85,7 @@ extern int f_dupfd(unsigned int from, struct file *file, unsigned flags); extern int replace_fd(unsigned fd, struct file *file, unsigned flags); extern void set_close_on_exec(unsigned int fd, int flag); extern bool get_close_on_exec(unsigned int fd); +extern int __get_unused_fd_flags(unsigned flags, unsigned long nofile); extern int get_unused_fd_flags(unsigned flags); extern void put_unused_fd(unsigned int fd); diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 1bf83c8fcaa7..77de28bfefb0 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -311,7 +311,7 @@ static inline int TestClearPage##uname(struct page *page) { return 0; } __PAGEFLAG(Locked, locked, PF_NO_TAIL) PAGEFLAG(Waiters, waiters, PF_ONLY_HEAD) __CLEARPAGEFLAG(Waiters, waiters, PF_ONLY_HEAD) -PAGEFLAG(Error, error, PF_NO_COMPOUND) TESTCLEARFLAG(Error, error, PF_NO_COMPOUND) +PAGEFLAG(Error, error, PF_NO_TAIL) TESTCLEARFLAG(Error, error, PF_NO_TAIL) PAGEFLAG(Referenced, referenced, PF_HEAD) TESTCLEARFLAG(Referenced, referenced, PF_HEAD) __SETPAGEFLAG(Referenced, referenced, PF_HEAD) diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index 19eafca5680e..4a69d4af3ff8 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -1,22 +1,20 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_PM_QOS_H -#define _LINUX_PM_QOS_H -/* interface for the pm_qos_power infrastructure of the linux kernel. +/* + * Definitions related to Power Management Quality of Service (PM QoS). * - * Mark Gross <mgross@linux.intel.com> + * Copyright (C) 2020 Intel Corporation + * + * Authors: + * Mark Gross <mgross@linux.intel.com> + * Rafael J. Wysocki <rafael.j.wysocki@intel.com> */ + +#ifndef _LINUX_PM_QOS_H +#define _LINUX_PM_QOS_H + #include <linux/plist.h> #include <linux/notifier.h> #include <linux/device.h> -#include <linux/workqueue.h> - -enum { - PM_QOS_RESERVED = 0, - PM_QOS_CPU_DMA_LATENCY, - - /* insert new class ID */ - PM_QOS_NUM_CLASSES, -}; enum pm_qos_flags_status { PM_QOS_FLAGS_UNDEFINED = -1, @@ -29,7 +27,7 @@ enum pm_qos_flags_status { #define PM_QOS_LATENCY_ANY S32_MAX #define PM_QOS_LATENCY_ANY_NS ((s64)PM_QOS_LATENCY_ANY * NSEC_PER_USEC) -#define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC) +#define PM_QOS_CPU_LATENCY_DEFAULT_VALUE (2000 * USEC_PER_SEC) #define PM_QOS_RESUME_LATENCY_DEFAULT_VALUE PM_QOS_LATENCY_ANY #define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT PM_QOS_LATENCY_ANY #define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS PM_QOS_LATENCY_ANY_NS @@ -40,22 +38,10 @@ enum pm_qos_flags_status { #define PM_QOS_FLAG_NO_POWER_OFF (1 << 0) -struct pm_qos_request { - struct plist_node node; - int pm_qos_class; - struct delayed_work work; /* for pm_qos_update_request_timeout */ -}; - -struct pm_qos_flags_request { - struct list_head node; - s32 flags; /* Do not change to 64 bit */ -}; - enum pm_qos_type { PM_QOS_UNITIALIZED, PM_QOS_MAX, /* return the largest value */ PM_QOS_MIN, /* return the smallest value */ - PM_QOS_SUM /* return the sum */ }; /* @@ -72,6 +58,16 @@ struct pm_qos_constraints { struct blocking_notifier_head *notifiers; }; +struct pm_qos_request { + struct plist_node node; + struct pm_qos_constraints *qos; +}; + +struct pm_qos_flags_request { + struct list_head node; + s32 flags; /* Do not change to 64 bit */ +}; + struct pm_qos_flags { struct list_head list; s32 effective_flags; /* Do not change to 64 bit */ @@ -140,24 +136,31 @@ static inline int dev_pm_qos_request_active(struct dev_pm_qos_request *req) return req->dev != NULL; } +s32 pm_qos_read_value(struct pm_qos_constraints *c); int pm_qos_update_target(struct pm_qos_constraints *c, struct plist_node *node, enum pm_qos_req_action action, int value); bool pm_qos_update_flags(struct pm_qos_flags *pqf, struct pm_qos_flags_request *req, enum pm_qos_req_action action, s32 val); -void pm_qos_add_request(struct pm_qos_request *req, int pm_qos_class, - s32 value); -void pm_qos_update_request(struct pm_qos_request *req, - s32 new_value); -void pm_qos_update_request_timeout(struct pm_qos_request *req, - s32 new_value, unsigned long timeout_us); -void pm_qos_remove_request(struct pm_qos_request *req); - -int pm_qos_request(int pm_qos_class); -int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier); -int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier); -int pm_qos_request_active(struct pm_qos_request *req); -s32 pm_qos_read_value(struct pm_qos_constraints *c); + +#ifdef CONFIG_CPU_IDLE +s32 cpu_latency_qos_limit(void); +bool cpu_latency_qos_request_active(struct pm_qos_request *req); +void cpu_latency_qos_add_request(struct pm_qos_request *req, s32 value); +void cpu_latency_qos_update_request(struct pm_qos_request *req, s32 new_value); +void cpu_latency_qos_remove_request(struct pm_qos_request *req); +#else +static inline s32 cpu_latency_qos_limit(void) { return INT_MAX; } +static inline bool cpu_latency_qos_request_active(struct pm_qos_request *req) +{ + return false; +} +static inline void cpu_latency_qos_add_request(struct pm_qos_request *req, + s32 value) {} +static inline void cpu_latency_qos_update_request(struct pm_qos_request *req, + s32 new_value) {} +static inline void cpu_latency_qos_remove_request(struct pm_qos_request *req) {} +#endif #ifdef CONFIG_PM enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask); diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 22af69d237a6..3bdcbce8141a 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -38,7 +38,7 @@ extern int pm_runtime_force_resume(struct device *dev); extern int __pm_runtime_idle(struct device *dev, int rpmflags); extern int __pm_runtime_suspend(struct device *dev, int rpmflags); extern int __pm_runtime_resume(struct device *dev, int rpmflags); -extern int pm_runtime_get_if_in_use(struct device *dev); +extern int pm_runtime_get_if_active(struct device *dev, bool ign_usage_count); extern int pm_schedule_suspend(struct device *dev, unsigned int delay); extern int __pm_runtime_set_status(struct device *dev, unsigned int status); extern int pm_runtime_barrier(struct device *dev); @@ -60,6 +60,11 @@ extern void pm_runtime_put_suppliers(struct device *dev); extern void pm_runtime_new_link(struct device *dev); extern void pm_runtime_drop_link(struct device *dev); +static inline int pm_runtime_get_if_in_use(struct device *dev) +{ + return pm_runtime_get_if_active(dev, false); +} + static inline void pm_suspend_ignore_children(struct device *dev, bool enable) { dev->power.ignore_children = enable; @@ -143,6 +148,11 @@ static inline int pm_runtime_get_if_in_use(struct device *dev) { return -EINVAL; } +static inline int pm_runtime_get_if_active(struct device *dev, + bool ign_usage_count) +{ + return -EINVAL; +} static inline int __pm_runtime_set_status(struct device *dev, unsigned int status) { return 0; } static inline int pm_runtime_barrier(struct device *dev) { return 0; } diff --git a/include/linux/socket.h b/include/linux/socket.h index 2d2313403101..15f3412d481e 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -401,7 +401,8 @@ extern int __sys_sendto(int fd, void __user *buff, size_t len, int addr_len); extern int __sys_accept4_file(struct file *file, unsigned file_flags, struct sockaddr __user *upeer_sockaddr, - int __user *upeer_addrlen, int flags); + int __user *upeer_addrlen, int flags, + unsigned long nofile); extern int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags); extern int __sys_socket(int family, int type, int protocol); diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index ec3813236699..0507a162ccd0 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -141,8 +141,9 @@ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma, extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, unsigned long pgoff); -void vmalloc_sync_all(void); - +void vmalloc_sync_mappings(void); +void vmalloc_sync_unmappings(void); + /* * Lowlevel-APIs (not for driver use!) */ diff --git a/include/trace/events/power.h b/include/trace/events/power.h index 7457e238e1b7..af5018aa9517 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -359,75 +359,50 @@ DEFINE_EVENT(power_domain, power_domain_target, ); /* - * The pm qos events are used for pm qos update + * CPU latency QoS events used for global CPU latency QoS list updates */ -DECLARE_EVENT_CLASS(pm_qos_request, +DECLARE_EVENT_CLASS(cpu_latency_qos_request, - TP_PROTO(int pm_qos_class, s32 value), + TP_PROTO(s32 value), - TP_ARGS(pm_qos_class, value), + TP_ARGS(value), TP_STRUCT__entry( - __field( int, pm_qos_class ) __field( s32, value ) ), TP_fast_assign( - __entry->pm_qos_class = pm_qos_class; __entry->value = value; ), - TP_printk("pm_qos_class=%s value=%d", - __print_symbolic(__entry->pm_qos_class, - { PM_QOS_CPU_DMA_LATENCY, "CPU_DMA_LATENCY" }), + TP_printk("CPU_DMA_LATENCY value=%d", __entry->value) ); -DEFINE_EVENT(pm_qos_request, pm_qos_add_request, +DEFINE_EVENT(cpu_latency_qos_request, pm_qos_add_request, - TP_PROTO(int pm_qos_class, s32 value), + TP_PROTO(s32 value), - TP_ARGS(pm_qos_class, value) + TP_ARGS(value) ); -DEFINE_EVENT(pm_qos_request, pm_qos_update_request, +DEFINE_EVENT(cpu_latency_qos_request, pm_qos_update_request, - TP_PROTO(int pm_qos_class, s32 value), + TP_PROTO(s32 value), - TP_ARGS(pm_qos_class, value) + TP_ARGS(value) ); -DEFINE_EVENT(pm_qos_request, pm_qos_remove_request, +DEFINE_EVENT(cpu_latency_qos_request, pm_qos_remove_request, - TP_PROTO(int pm_qos_class, s32 value), + TP_PROTO(s32 value), - TP_ARGS(pm_qos_class, value) -); - -TRACE_EVENT(pm_qos_update_request_timeout, - - TP_PROTO(int pm_qos_class, s32 value, unsigned long timeout_us), - - TP_ARGS(pm_qos_class, value, timeout_us), - - TP_STRUCT__entry( - __field( int, pm_qos_class ) - __field( s32, value ) - __field( unsigned long, timeout_us ) - ), - - TP_fast_assign( - __entry->pm_qos_class = pm_qos_class; - __entry->value = value; - __entry->timeout_us = timeout_us; - ), - - TP_printk("pm_qos_class=%s value=%d, timeout_us=%ld", - __print_symbolic(__entry->pm_qos_class, - { PM_QOS_CPU_DMA_LATENCY, "CPU_DMA_LATENCY" }), - __entry->value, __entry->timeout_us) + TP_ARGS(value) ); +/* + * General PM QoS events used for updates of PM QoS request lists + */ DECLARE_EVENT_CLASS(pm_qos_update, TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value), |