diff options
Diffstat (limited to 'drivers/acpi/Kconfig')
| -rw-r--r-- | drivers/acpi/Kconfig | 162 |
1 files changed, 83 insertions, 79 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 3a17ca5fff6..a34a2284100 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -24,17 +24,21 @@ menuconfig ACPI are configured, ACPI is used. The project home page for the Linux ACPI subsystem is here: - <http://www.lesswatts.org/projects/acpi/> + <https://01.org/linux-acpi> Linux support for ACPI is based on Intel Corporation's ACPI Component Architecture (ACPI CA). For more information on the ACPI CA, see: <http://acpica.org/> - ACPI is an open industry specification co-developed by - Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. + ACPI is an open industry specification originally co-developed by + Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently, + it is developed by the ACPI Specification Working Group (ASWG) under + the UEFI Forum and any UEFI member can join the ASWG and contribute + to the ACPI specification. The specification is available at: <http://www.acpi.info> + <http://www.uefi.org/acpi/specs> if ACPI @@ -43,19 +47,6 @@ config ACPI_SLEEP depends on SUSPEND || HIBERNATION default y -config ACPI_PROCFS - bool "Deprecated /proc/acpi files" - depends on PROC_FS - help - For backwards compatibility, this option allows - deprecated /proc/acpi/ files to exist, even when - they have been replaced by functions in /sys. - - This option has no effect on /proc/acpi/ files - and functions which do not yet exist in /sys. - - Say N to delete /proc/acpi/ files that have moved to /sys/ - config ACPI_PROCFS_POWER bool "Deprecated power /proc/acpi directories" depends on PROC_FS @@ -69,21 +60,10 @@ config ACPI_PROCFS_POWER This option has no effect on /proc/acpi/ directories and functions, which do not yet exist in /sys This option, together with the proc directories, will be - deleted in 2.6.39. + deleted in the future. Say N to delete power /proc/acpi/ directories that have moved to /sys/ -config ACPI_POWER_METER - tristate "ACPI 4.0 power meter" - depends on HWMON - help - This driver exposes ACPI 4.0 power meters as hardware monitoring - devices. Say Y (or M) if you have a computer with ACPI 4.0 firmware - and a power meter. - - To compile this driver as a module, choose M here: - the module will be called power-meter. - config ACPI_EC_DEBUGFS tristate "EC read/write access through /sys/kernel/debug/ec" default n @@ -102,24 +82,6 @@ config ACPI_EC_DEBUGFS Thus this option is a debug option that helps to write ACPI drivers and can be used to identify ACPI code or EC firmware bugs. -config ACPI_PROC_EVENT - bool "Deprecated /proc/acpi/event support" - depends on PROC_FS - default y - help - A user-space daemon, acpid, typically reads /proc/acpi/event - and handles all ACPI-generated events. - - These events are now delivered to user-space either - via the input layer or as netlink events. - - This build option enables the old code for legacy - user-space implementation. After some time, this will - be moved under CONFIG_ACPI_PROCFS, and then deleted. - - Say Y here to retain the old behaviour. Say N if your - user-space is newer than kernel 2.6.23 (September 2007). - config ACPI_AC tristate "AC Adapter" depends on X86 @@ -152,16 +114,16 @@ config ACPI_BUTTON default y help This driver handles events on the power, sleep, and lid buttons. - A daemon reads /proc/acpi/event and perform user-defined actions - such as shutting down the system. This is necessary for - software-controlled poweroff. + A daemon reads events from input devices or via netlink and + performs user-defined actions such as shutting down the system. + This is necessary for software-controlled poweroff. To compile this driver as a module, choose M here: the module will be called button. config ACPI_VIDEO tristate "Video" - depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL + depends on X86 && BACKLIGHT_CLASS_DEVICE depends on INPUT select THERMAL help @@ -187,7 +149,6 @@ config ACPI_FAN config ACPI_DOCK bool "Dock" - depends on EXPERIMENTAL help This driver supports ACPI-controlled docking stations and removable drive bays such as the IBM Ultrabay and the Dell Module Bay. @@ -205,9 +166,10 @@ config ACPI_PROCESSOR To compile this driver as a module, choose M here: the module will be called processor. + config ACPI_IPMI tristate "IPMI" - depends on EXPERIMENTAL && IPMI_SI && IPMI_HANDLER + depends on IPMI_SI default n help This driver enables the ACPI to access the BMC controller. And it @@ -226,7 +188,6 @@ config ACPI_HOTPLUG_CPU config ACPI_PROCESSOR_AGGREGATOR tristate "Processor Aggregator" depends on ACPI_PROCESSOR - depends on EXPERIMENTAL depends on X86 help ACPI 4.0 defines processor Aggregator, which enables OS to perform @@ -272,16 +233,15 @@ config ACPI_CUSTOM_DSDT bool default ACPI_CUSTOM_DSDT_FILE != "" -config ACPI_BLACKLIST_YEAR - int "Disable ACPI for systems before Jan 1st this year" if X86_32 - default 0 +config ACPI_INITRD_TABLE_OVERRIDE + bool "ACPI tables override via initrd" + depends on BLK_DEV_INITRD && X86 + default n help - Enter a 4-digit year, e.g., 2001, to disable ACPI by default - on platforms with DMI BIOS date before January 1st that year. - "acpi=force" can be used to override this mechanism. - - Enter 0 to disable this mechanism and allow ACPI to - run by default no matter what the year. (default) + This option provides functionality to override arbitrary ACPI tables + via initrd. No functional change if no ACPI tables are passed via + initrd, therefore it's safe to say Y. + See Documentation/acpi/initrd_table_override.txt for details config ACPI_DEBUG bool "Debug Statements" @@ -295,16 +255,8 @@ config ACPI_DEBUG Documentation/kernel-parameters.txt to control the type and amount of debug output. -config ACPI_DEBUG_FUNC_TRACE - bool "Additionally enable ACPI function tracing" - default n - depends on ACPI_DEBUG - help - ACPI Debug Statements slow down ACPI processing. Function trace - is about half of the penalty and is rarely useful. - config ACPI_PCI_SLOT - tristate "PCI slot detection driver" + bool "PCI slot detection driver" depends on SYSFS default n help @@ -313,9 +265,6 @@ config ACPI_PCI_SLOT i.e., segment/bus/device/function tuples, with physical slots in the system. If you are unsure, say N. - To compile this driver as a module, choose M here: - the module will be called pci_slot. - config X86_PM_TIMER bool "Power Management Timer Support" if EXPERT depends on X86 @@ -333,9 +282,8 @@ config X86_PM_TIMER systems require this timer. config ACPI_CONTAINER - tristate "Container and Module Devices (EXPERIMENTAL)" - depends on EXPERIMENTAL - default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO) + bool "Container and Module Devices" + default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU) help This driver supports ACPI Container and Module devices (IDs ACPI0004, PNP0A05, and PNP0A06). @@ -346,9 +294,8 @@ config ACPI_CONTAINER the module will be called container. config ACPI_HOTPLUG_MEMORY - tristate "Memory Hotplug" + bool "Memory Hotplug" depends on MEMORY_HOTPLUG - default n help This driver supports ACPI memory hotplug. The driver fields notifications on ACPI memory devices (PNP0C80), @@ -380,6 +327,63 @@ config ACPI_HED which is used to report some hardware errors notified via SCI, mainly the corrected errors. +config ACPI_CUSTOM_METHOD + tristate "Allow ACPI methods to be inserted/replaced at run time" + depends on DEBUG_FS + default n + help + This debug facility allows ACPI AML methods to be inserted and/or + replaced without rebooting the system. For details refer to: + Documentation/acpi/method-customizing.txt. + + NOTE: This option is security sensitive, because it allows arbitrary + kernel memory to be written to by root (uid=0) users, allowing them + to bypass certain security measures (e.g. if root is not allowed to + load additional kernel modules after boot, this feature may be used + to override that restriction). + +config ACPI_BGRT + bool "Boottime Graphics Resource Table support" + depends on EFI && X86 + help + This driver adds support for exposing the ACPI Boottime Graphics + Resource Table, which allows the operating system to obtain + data from the firmware boot splash. It will appear under + /sys/firmware/acpi/bgrt/ . + +config ACPI_REDUCED_HARDWARE_ONLY + bool "Hardware-reduced ACPI support only" if EXPERT + def_bool n + depends on ACPI + help + This config item changes the way the ACPI code is built. When this + option is selected, the kernel will use a specialized version of + ACPICA that ONLY supports the ACPI "reduced hardware" mode. The + resulting kernel will be smaller but it will also be restricted to + running in ACPI reduced hardware mode ONLY. + + If you are unsure what to do, do not enable this option. + source "drivers/acpi/apei/Kconfig" +config ACPI_EXTLOG + tristate "Extended Error Log support" + depends on X86_MCE && X86_LOCAL_APIC + select UEFI_CPER + default n + help + Certain usages such as Predictive Failure Analysis (PFA) require + more information about the error than what can be described in + processor machine check banks. Most server processors log + additional information about the error in processor uncore + registers. Since the addresses and layout of these registers vary + widely from one processor to another, system software cannot + readily make use of them. To complicate matters further, some of + the additional error information cannot be constructed without + detailed knowledge about platform topology. + + Enhanced MCA Logging allows firmware to provide additional error + information to system software, synchronous with MCE or CMCI. This + driver adds support for that functionality. + endif # ACPI |