Linux kernel mirror (for testing)
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tjh.dev
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linux
1# SPDX-License-Identifier: GPL-2.0
2#
3# PCI Hotplug support
4#
5
6menuconfig HOTPLUG_PCI
7 bool "Support for PCI Hotplug"
8 depends on PCI && SYSFS
9 default y if USB4
10 help
11 Say Y here if you have a motherboard with a PCI Hotplug controller.
12 This allows you to add and remove PCI cards while the machine is
13 powered up and running.
14
15 Thunderbolt/USB4 PCIe tunneling depends on native PCIe hotplug.
16
17 When in doubt, say N.
18
19if HOTPLUG_PCI
20
21config HOTPLUG_PCI_COMPAQ
22 tristate "Compaq PCI Hotplug driver"
23 depends on X86 && PCI_BIOS
24 help
25 Say Y here if you have a motherboard with a Compaq PCI Hotplug
26 controller.
27
28 To compile this driver as a module, choose M here: the
29 module will be called cpqphp.
30
31 When in doubt, say N.
32
33config HOTPLUG_PCI_COMPAQ_NVRAM
34 bool "Save configuration into NVRAM on Compaq servers"
35 depends on HOTPLUG_PCI_COMPAQ
36 help
37 Say Y here if you have a Compaq server that has a PCI Hotplug
38 controller. This will allow the PCI Hotplug driver to store the PCI
39 system configuration options in NVRAM.
40
41 When in doubt, say N.
42
43config HOTPLUG_PCI_IBM
44 tristate "IBM PCI Hotplug driver"
45 depends on X86_IO_APIC && X86 && PCI_BIOS
46 help
47 Say Y here if you have a motherboard with a IBM PCI Hotplug
48 controller.
49
50 To compile this driver as a module, choose M here: the
51 module will be called ibmphp.
52
53 When in doubt, say N.
54
55config HOTPLUG_PCI_ACPI
56 bool "ACPI PCI Hotplug driver"
57 depends on HOTPLUG_PCI=y && ((!ACPI_DOCK && ACPI) || (ACPI_DOCK))
58 help
59 Say Y here if you have a system that supports PCI Hotplug using
60 ACPI.
61
62 When in doubt, say N.
63
64config HOTPLUG_PCI_ACPI_AMPERE_ALTRA
65 tristate "ACPI PCI Hotplug driver Ampere Altra extensions"
66 depends on HOTPLUG_PCI_ACPI
67 depends on HAVE_ARM_SMCCC_DISCOVERY
68 help
69 Say Y here if you have an Ampere Altra system.
70
71 To compile this driver as a module, choose M here: the
72 module will be called acpiphp_ampere_altra.
73
74 When in doubt, say N.
75
76config HOTPLUG_PCI_ACPI_IBM
77 tristate "ACPI PCI Hotplug driver IBM extensions"
78 depends on HOTPLUG_PCI_ACPI
79 help
80 Say Y here if you have an IBM system that supports PCI Hotplug using
81 ACPI.
82
83 To compile this driver as a module, choose M here: the
84 module will be called acpiphp_ibm.
85
86 When in doubt, say N.
87
88config HOTPLUG_PCI_CPCI
89 bool "CompactPCI Hotplug driver"
90 help
91 Say Y here if you have a CompactPCI system card with CompactPCI
92 hotswap support per the PICMG 2.1 specification.
93
94 When in doubt, say N.
95
96config HOTPLUG_PCI_CPCI_ZT5550
97 tristate "Ziatech ZT5550 CompactPCI Hotplug driver"
98 depends on HOTPLUG_PCI_CPCI && X86
99 help
100 Say Y here if you have a Performance Technologies (formerly Intel,
101 formerly just Ziatech) Ziatech ZT5550 CompactPCI system card.
102
103 To compile this driver as a module, choose M here: the
104 module will be called cpcihp_zt5550.
105
106 When in doubt, say N.
107
108config HOTPLUG_PCI_CPCI_GENERIC
109 tristate "Generic port I/O CompactPCI Hotplug driver"
110 depends on HOTPLUG_PCI_CPCI && X86
111 help
112 Say Y here if you have a CompactPCI system card that exposes the #ENUM
113 hotswap signal as a bit in a system register that can be read through
114 standard port I/O.
115
116 To compile this driver as a module, choose M here: the
117 module will be called cpcihp_generic.
118
119 When in doubt, say N.
120
121config HOTPLUG_PCI_OCTEONEP
122 bool "Marvell OCTEON PCI Hotplug driver"
123 depends on HOTPLUG_PCI
124 help
125 Say Y here if you have an OCTEON PCIe device with a hotplug
126 controller. This driver enables the non-controller functions of the
127 device to be registered as hotplug slots.
128
129 When in doubt, say N.
130
131config HOTPLUG_PCI_SHPC
132 bool "SHPC PCI Hotplug driver"
133 help
134 Say Y here if you have a motherboard with a SHPC PCI Hotplug
135 controller.
136
137 When in doubt, say N.
138
139config HOTPLUG_PCI_POWERNV
140 tristate "PowerPC PowerNV PCI Hotplug driver"
141 depends on PPC_POWERNV && EEH
142 select OF_DYNAMIC
143 help
144 Say Y here if you run PowerPC PowerNV platform that supports
145 PCI Hotplug
146
147 To compile this driver as a module, choose M here: the
148 module will be called pnv-php.
149
150 When in doubt, say N.
151
152config HOTPLUG_PCI_RPA
153 tristate "RPA PCI Hotplug driver"
154 depends on PPC_PSERIES && EEH
155 help
156 Say Y here if you have a RPA system that supports PCI Hotplug.
157
158 To compile this driver as a module, choose M here: the
159 module will be called rpaphp.
160
161 When in doubt, say N.
162
163config HOTPLUG_PCI_RPA_DLPAR
164 tristate "RPA Dynamic Logical Partitioning for I/O slots"
165 depends on HOTPLUG_PCI_RPA
166 help
167 Say Y here if your system supports Dynamic Logical Partitioning
168 for I/O slots.
169
170 To compile this driver as a module, choose M here: the
171 module will be called rpadlpar_io.
172
173 When in doubt, say N.
174
175config HOTPLUG_PCI_S390
176 bool "System z PCI Hotplug Support"
177 depends on S390 && 64BIT
178 help
179 Say Y here if you want to use the System z PCI Hotplug
180 driver for PCI devices. Without this driver it is not
181 possible to access stand-by PCI functions nor to deconfigure
182 PCI functions.
183
184 When in doubt, say Y.
185
186endif # HOTPLUG_PCI