tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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_IBM
65 tristate "ACPI PCI Hotplug driver IBM extensions"
66 depends on HOTPLUG_PCI_ACPI
67 help
68 Say Y here if you have an IBM system that supports PCI Hotplug using
69 ACPI.
70
71 To compile this driver as a module, choose M here: the
72 module will be called acpiphp_ibm.
73
74 When in doubt, say N.
75
76config HOTPLUG_PCI_CPCI
77 bool "CompactPCI Hotplug driver"
78 help
79 Say Y here if you have a CompactPCI system card with CompactPCI
80 hotswap support per the PICMG 2.1 specification.
81
82 When in doubt, say N.
83
84config HOTPLUG_PCI_CPCI_ZT5550
85 tristate "Ziatech ZT5550 CompactPCI Hotplug driver"
86 depends on HOTPLUG_PCI_CPCI && X86
87 help
88 Say Y here if you have an Performance Technologies (formerly Intel,
89 formerly just Ziatech) Ziatech ZT5550 CompactPCI system card.
90
91 To compile this driver as a module, choose M here: the
92 module will be called cpcihp_zt5550.
93
94 When in doubt, say N.
95
96config HOTPLUG_PCI_CPCI_GENERIC
97 tristate "Generic port I/O CompactPCI Hotplug driver"
98 depends on HOTPLUG_PCI_CPCI && X86
99 help
100 Say Y here if you have a CompactPCI system card that exposes the #ENUM
101 hotswap signal as a bit in a system register that can be read through
102 standard port I/O.
103
104 To compile this driver as a module, choose M here: the
105 module will be called cpcihp_generic.
106
107 When in doubt, say N.
108
109config HOTPLUG_PCI_SHPC
110 bool "SHPC PCI Hotplug driver"
111 help
112 Say Y here if you have a motherboard with a SHPC PCI Hotplug
113 controller.
114
115 When in doubt, say N.
116
117config HOTPLUG_PCI_POWERNV
118 tristate "PowerPC PowerNV PCI Hotplug driver"
119 depends on PPC_POWERNV && EEH
120 select OF_DYNAMIC
121 help
122 Say Y here if you run PowerPC PowerNV platform that supports
123 PCI Hotplug
124
125 To compile this driver as a module, choose M here: the
126 module will be called pnv-php.
127
128 When in doubt, say N.
129
130config HOTPLUG_PCI_RPA
131 tristate "RPA PCI Hotplug driver"
132 depends on PPC_PSERIES && EEH
133 help
134 Say Y here if you have a RPA system that supports PCI Hotplug.
135
136 To compile this driver as a module, choose M here: the
137 module will be called rpaphp.
138
139 When in doubt, say N.
140
141config HOTPLUG_PCI_RPA_DLPAR
142 tristate "RPA Dynamic Logical Partitioning for I/O slots"
143 depends on HOTPLUG_PCI_RPA
144 help
145 Say Y here if your system supports Dynamic Logical Partitioning
146 for I/O slots.
147
148 To compile this driver as a module, choose M here: the
149 module will be called rpadlpar_io.
150
151 When in doubt, say N.
152
153config HOTPLUG_PCI_S390
154 bool "System z PCI Hotplug Support"
155 depends on S390 && 64BIT
156 help
157 Say Y here if you want to use the System z PCI Hotplug
158 driver for PCI devices. Without this driver it is not
159 possible to access stand-by PCI functions nor to deconfigure
160 PCI functions.
161
162 When in doubt, say Y.
163
164endif # HOTPLUG_PCI