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Kconfig
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# SPDX-License-Identifier: GPL-2.0
#
# PCI Hotplug support
#
menuconfig HOTPLUG_PCI
bool "Support for PCI Hotplug"
depends on PCI && SYSFS
default y if USB4
help
Say Y here if you have a motherboard with a PCI Hotplug controller.
This allows you to add and remove PCI cards while the machine is
powered up and running.
Thunderbolt/USB4 PCIe tunneling depends on native PCIe hotplug.
When in doubt, say N.
if HOTPLUG_PCI
config HOTPLUG_PCI_COMPAQ
tristate "Compaq PCI Hotplug driver"
depends on X86 && PCI_BIOS
help
Say Y here if you have a motherboard with a Compaq PCI Hotplug
controller.
To compile this driver as a module, choose M here: the
module will be called cpqphp.
When in doubt, say N.
config HOTPLUG_PCI_COMPAQ_NVRAM
bool "Save configuration into NVRAM on Compaq servers"
depends on HOTPLUG_PCI_COMPAQ
help
Say Y here if you have a Compaq server that has a PCI Hotplug
controller. This will allow the PCI Hotplug driver to store the PCI
system configuration options in NVRAM.
When in doubt, say N.
config HOTPLUG_PCI_IBM
tristate "IBM PCI Hotplug driver"
depends on X86_IO_APIC && X86 && PCI_BIOS
help
Say Y here if you have a motherboard with a IBM PCI Hotplug
controller.
To compile this driver as a module, choose M here: the
module will be called ibmphp.
When in doubt, say N.
config HOTPLUG_PCI_ACPI
bool "ACPI PCI Hotplug driver"
depends on HOTPLUG_PCI=y && ((!ACPI_DOCK && ACPI) || (ACPI_DOCK))
help
Say Y here if you have a system that supports PCI Hotplug using
ACPI.
When in doubt, say N.
config HOTPLUG_PCI_ACPI_AMPERE_ALTRA
tristate "ACPI PCI Hotplug driver Ampere Altra extensions"
depends on HOTPLUG_PCI_ACPI
depends on HAVE_ARM_SMCCC_DISCOVERY
help
Say Y here if you have an Ampere Altra system.
To compile this driver as a module, choose M here: the
module will be called acpiphp_ampere_altra.
When in doubt, say N.
config HOTPLUG_PCI_ACPI_IBM
tristate "ACPI PCI Hotplug driver IBM extensions"
depends on HOTPLUG_PCI_ACPI
help
Say Y here if you have an IBM system that supports PCI Hotplug using
ACPI.
To compile this driver as a module, choose M here: the
module will be called acpiphp_ibm.
When in doubt, say N.
config HOTPLUG_PCI_CPCI
bool "CompactPCI Hotplug driver"
help
Say Y here if you have a CompactPCI system card with CompactPCI
hotswap support per the PICMG 2.1 specification.
When in doubt, say N.
config HOTPLUG_PCI_CPCI_ZT5550
tristate "Ziatech ZT5550 CompactPCI Hotplug driver"
depends on HOTPLUG_PCI_CPCI && X86
help
Say Y here if you have an Performance Technologies (formerly Intel,
formerly just Ziatech) Ziatech ZT5550 CompactPCI system card.
To compile this driver as a module, choose M here: the
module will be called cpcihp_zt5550.
When in doubt, say N.
config HOTPLUG_PCI_CPCI_GENERIC
tristate "Generic port I/O CompactPCI Hotplug driver"
depends on HOTPLUG_PCI_CPCI && X86
help
Say Y here if you have a CompactPCI system card that exposes the #ENUM
hotswap signal as a bit in a system register that can be read through
standard port I/O.
To compile this driver as a module, choose M here: the
module will be called cpcihp_generic.
When in doubt, say N.
config HOTPLUG_PCI_SHPC
bool "SHPC PCI Hotplug driver"
help
Say Y here if you have a motherboard with a SHPC PCI Hotplug
controller.
When in doubt, say N.
config HOTPLUG_PCI_POWERNV
tristate "PowerPC PowerNV PCI Hotplug driver"
depends on PPC_POWERNV && EEH
select OF_DYNAMIC
help
Say Y here if you run PowerPC PowerNV platform that supports
PCI Hotplug
To compile this driver as a module, choose M here: the
module will be called pnv-php.
When in doubt, say N.
config HOTPLUG_PCI_RPA
tristate "RPA PCI Hotplug driver"
depends on PPC_PSERIES && EEH
help
Say Y here if you have a RPA system that supports PCI Hotplug.
To compile this driver as a module, choose M here: the
module will be called rpaphp.
When in doubt, say N.
config HOTPLUG_PCI_RPA_DLPAR
tristate "RPA Dynamic Logical Partitioning for I/O slots"
depends on HOTPLUG_PCI_RPA
help
Say Y here if your system supports Dynamic Logical Partitioning
for I/O slots.
To compile this driver as a module, choose M here: the
module will be called rpadlpar_io.
When in doubt, say N.
config HOTPLUG_PCI_S390
bool "System z PCI Hotplug Support"
depends on S390 && 64BIT
help
Say Y here if you want to use the System z PCI Hotplug
driver for PCI devices. Without this driver it is not
possible to access stand-by PCI functions nor to deconfigure
PCI functions.
When in doubt, say Y.
endif # HOTPLUG_PCI