1 # SPDX-License-Identifier: GPL-2.0
2 config PPC_PSERIES
3 depends on PPC64 && PPC_BOOK3S
4 bool "IBM pSeries & new (POWER5-based)
5 select HAVE_PCSPKR_PLATFORM
6 select MPIC
7 select OF_DYNAMIC
8 select FORCE_PCI
9 select PCI_MSI
10 select GENERIC_ALLOCATOR
11 select PPC_XICS
12 select PPC_XIVE_SPAPR
13 select PPC_ICP_NATIVE
14 select PPC_ICP_HV
15 select PPC_ICS_RTAS
16 select PPC_I8259
17 select PPC_RTAS
18 select PPC_RTAS_DAEMON
19 select RTAS_ERROR_LOGGING
20 select PPC_UDBG_16550
21 select PPC_DOORBELL
22 select HOTPLUG_CPU
23 select FORCE_SMP
24 select SWIOTLB
25 select ARCH_SUPPORTS_PER_VMA_LOCK
26 default y
27
28 config PARAVIRT
29 bool
30
31 config PARAVIRT_SPINLOCKS
32 bool
33
34 config PARAVIRT_TIME_ACCOUNTING
35 select PARAVIRT
36 bool
37
38 config PPC_SPLPAR
39 bool "Support for shared-processor log
40 depends on PPC_PSERIES
41 select PARAVIRT_SPINLOCKS if PPC_QUEUE
42 select PARAVIRT_TIME_ACCOUNTING if VIR
43 default y
44 help
45 Enabling this option will make the k
46 on logically-partitioned pSeries sys
47 processors, that is, which share phy
48 two or more partitions.
49
50 Say Y if you are unsure.
51
52 config DTL
53 bool "Dispatch Trace Log"
54 depends on PPC_SPLPAR && DEBUG_FS
55 help
56 SPLPAR machines can log hypervisor p
57 kernel buffer. Saying Y here will en
58 which are accessible through a debug
59
60 Say N if you are unsure.
61
62 config PSERIES_ENERGY
63 tristate "pSeries energy management ca
64 depends on PPC_PSERIES
65 default y
66 help
67 Provides interface to platform energ
68 on supported PSERIES platforms.
69 Provides: /sys/devices/system/cpu/ps
70 and /sys/devices/system/cpu/cpuN/pse
71
72 config IO_EVENT_IRQ
73 bool "IO Event Interrupt support"
74 depends on PPC_PSERIES
75 default y
76 help
77 Select this option, if you want to e
78 interrupts. IO event interrupt is a
79 to return information about hardware
80 which may need OS attention. RTAS re
81 event types and scopes. Device drive
82 to receive events.
83
84 This option will only enable the IO
85 will still need to enable or compile
86 that use this infrastructure to hand
87
88 Say Y if you are unsure.
89
90 config LPARCFG
91 bool "LPAR Configuration Data"
92 depends on PPC_PSERIES
93 help
94 Provide system capacity information
95 <key word>=<value> pairs through a /
96
97 config PPC_PSERIES_DEBUG
98 depends on PPC_PSERIES && PPC_EARLY_DE
99 bool "Enable extra debug logging in pl
100 default y
101 help
102 Say Y here if you want the pseries c
103 debug messages to the system log. Se
104 problem with the pseries core and wa
105 going on. This does not enable debug
106 be manually done due to its verbosit
107
108 config PPC_SMLPAR
109 bool "Support for shared-memory logica
110 depends on PPC_PSERIES
111 select LPARCFG
112 help
113 Select this option to enable shared
114 With this option a system running in
115 memory than physically available and
116 balance memory across many LPARs.
117
118 config CMM
119 tristate "Collaborative memory managem
120 depends on PPC_SMLPAR
121 select MEMORY_BALLOON
122 default y
123 help
124 Select this option, if you want to e
125 to reduce the memory size of the sys
126 by allocating pages of memory and pu
127 makes sense for a system running in
128 will be reused for other LPARs. The
129 balance memory across many LPARs.
130
131 config HV_PERF_CTRS
132 bool "Hypervisor supplied PMU events (
133 default y
134 depends on PERF_EVENTS && PPC_PSERIES
135 help
136 Enable access to hypervisor supplied
137 this enables code that uses the hcal
138 interfaces to retrieve counters. GPC
139 systems. 24x7 is available on Power
140
141 If unsure, select Y.
142
143 config IBMVIO
144 depends on PPC_PSERIES
145 bool
146 default y
147
148 config IBMEBUS
149 depends on PPC_PSERIES && !CPU_LITTLE_
150 bool "Support for GX bus based adapter
151 help
152 Bus device driver for GX bus based a
153
154 config PSERIES_PLPKS
155 depends on PPC_PSERIES
156 select NLS
157 bool
158 # PowerVM provides an isolated Platfor
159 # allocation for each LPAR with indivi
160 # controls to store sensitive informat
161 # used to store asymmetric public keys
162 # by different usecases.
163 #
164 # This option is selected by in-kernel
165 # access to the PKS.
166
167 config PSERIES_PLPKS_SED
168 depends on PPC_PSERIES
169 bool
170 # This option is selected by in-kernel
171 # access to the SED PKS keystore.
172
173 config PAPR_SCM
174 depends on PPC_PSERIES && MEMORY_HOTPL
175 tristate "Support for the PAPR Storage
176 help
177 Enable access to hypervisor provided
178
179 config PPC_SVM
180 bool "Secure virtual machine (SVM) sup
181 depends on PPC_PSERIES
182 select SWIOTLB
183 select ARCH_HAS_MEM_ENCRYPT
184 select ARCH_HAS_FORCE_DMA_UNENCRYPTED
185 select ARCH_HAS_CC_PLATFORM
186 help
187 There are certain POWER platforms whi
188 the Protected Execution Facility, wit
189 executing below the hypervisor layer.
190 those guests.
191
192 If unsure, say "N".
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