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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7441b0627e
Add SCLP PCI configure/deconfigure and implement a PCI hotplug controller (s390_pci_hpc). The hotplug controller creates a slot for every PCI function in stand-by or configured state. The PCI functions are named after the PCI function ID (fid). By writing to the power attribute in /sys/bus/pci/slots/<fid>/power the PCI function is moved to stand-by or configured state. If moved to the configured state the device is automatically scanned by the s390 PCI layer. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
166 lines
4.4 KiB
Plaintext
166 lines
4.4 KiB
Plaintext
#
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# PCI Hotplug support
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#
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menuconfig HOTPLUG_PCI
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tristate "Support for PCI Hotplug"
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depends on PCI && HOTPLUG && SYSFS
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---help---
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Say Y here if you have a motherboard with a PCI Hotplug controller.
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This allows you to add and remove PCI cards while the machine is
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powered up and running.
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To compile this driver as a module, choose M here: the
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module will be called pci_hotplug.
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When in doubt, say N.
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if HOTPLUG_PCI
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config HOTPLUG_PCI_COMPAQ
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tristate "Compaq PCI Hotplug driver"
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depends on X86 && PCI_BIOS
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help
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Say Y here if you have a motherboard with a Compaq PCI Hotplug
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controller.
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To compile this driver as a module, choose M here: the
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module will be called cpqphp.
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When in doubt, say N.
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config HOTPLUG_PCI_COMPAQ_NVRAM
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bool "Save configuration into NVRAM on Compaq servers"
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depends on HOTPLUG_PCI_COMPAQ
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help
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Say Y here if you have a Compaq server that has a PCI Hotplug
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controller. This will allow the PCI Hotplug driver to store the PCI
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system configuration options in NVRAM.
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When in doubt, say N.
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config HOTPLUG_PCI_IBM
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tristate "IBM PCI Hotplug driver"
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depends on X86_IO_APIC && X86 && PCI_BIOS
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help
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Say Y here if you have a motherboard with a IBM PCI Hotplug
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controller.
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To compile this driver as a module, choose M here: the
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module will be called ibmphp.
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When in doubt, say N.
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config HOTPLUG_PCI_ACPI
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tristate "ACPI PCI Hotplug driver"
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depends on (!ACPI_DOCK && ACPI) || (ACPI_DOCK)
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help
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Say Y here if you have a system that supports PCI Hotplug using
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ACPI.
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To compile this driver as a module, choose M here: the
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module will be called acpiphp.
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When in doubt, say N.
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config HOTPLUG_PCI_ACPI_IBM
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tristate "ACPI PCI Hotplug driver IBM extensions"
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depends on HOTPLUG_PCI_ACPI
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help
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Say Y here if you have an IBM system that supports PCI Hotplug using
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ACPI.
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To compile this driver as a module, choose M here: the
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module will be called acpiphp_ibm.
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When in doubt, say N.
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config HOTPLUG_PCI_CPCI
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bool "CompactPCI Hotplug driver"
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help
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Say Y here if you have a CompactPCI system card with CompactPCI
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hotswap support per the PICMG 2.1 specification.
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When in doubt, say N.
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config HOTPLUG_PCI_CPCI_ZT5550
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tristate "Ziatech ZT5550 CompactPCI Hotplug driver"
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depends on HOTPLUG_PCI_CPCI && X86
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help
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Say Y here if you have an Performance Technologies (formerly Intel,
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formerly just Ziatech) Ziatech ZT5550 CompactPCI system card.
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To compile this driver as a module, choose M here: the
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module will be called cpcihp_zt5550.
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When in doubt, say N.
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config HOTPLUG_PCI_CPCI_GENERIC
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tristate "Generic port I/O CompactPCI Hotplug driver"
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depends on HOTPLUG_PCI_CPCI && X86
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help
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Say Y here if you have a CompactPCI system card that exposes the #ENUM
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hotswap signal as a bit in a system register that can be read through
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standard port I/O.
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To compile this driver as a module, choose M here: the
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module will be called cpcihp_generic.
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When in doubt, say N.
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config HOTPLUG_PCI_SHPC
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tristate "SHPC PCI Hotplug driver"
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help
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Say Y here if you have a motherboard with a SHPC PCI Hotplug
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controller.
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To compile this driver as a module, choose M here: the
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module will be called shpchp.
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When in doubt, say N.
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config HOTPLUG_PCI_RPA
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tristate "RPA PCI Hotplug driver"
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depends on PPC_PSERIES && EEH
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help
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Say Y here if you have a RPA system that supports PCI Hotplug.
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To compile this driver as a module, choose M here: the
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module will be called rpaphp.
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When in doubt, say N.
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config HOTPLUG_PCI_RPA_DLPAR
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tristate "RPA Dynamic Logical Partitioning for I/O slots"
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depends on HOTPLUG_PCI_RPA
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help
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Say Y here if your system supports Dynamic Logical Partitioning
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for I/O slots.
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To compile this driver as a module, choose M here: the
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module will be called rpadlpar_io.
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When in doubt, say N.
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config HOTPLUG_PCI_SGI
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tristate "SGI PCI Hotplug Support"
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depends on IA64_SGI_SN2 || IA64_GENERIC
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help
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Say Y here if you want to use the SGI Altix Hotplug
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Driver for PCI devices.
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When in doubt, say N.
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config HOTPLUG_PCI_S390
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tristate "System z PCI Hotplug Support"
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depends on S390 && 64BIT
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help
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Say Y here if you want to use the System z PCI Hotplug
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driver for PCI devices. Without this driver it is not
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possible to access stand-by PCI functions nor to deconfigure
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PCI functions.
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When in doubt, say Y.
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endif # HOTPLUG_PCI
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