diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/Kconfig')
| -rw-r--r-- | arch/powerpc/platforms/pseries/Kconfig | 152 |
1 files changed, 119 insertions, 33 deletions
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 1bd3399146ed..3e042218d6cd 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -1,11 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0 config PPC_PSERIES depends on PPC64 && PPC_BOOK3S bool "IBM pSeries & new (POWER5-based) iSeries" select HAVE_PCSPKR_PLATFORM select MPIC select OF_DYNAMIC + select FORCE_PCI select PCI_MSI + select IRQ_MSI_LIB + select GENERIC_ALLOCATOR select PPC_XICS + select PPC_XIVE_SPAPR select PPC_ICP_NATIVE select PPC_ICP_HV select PPC_ICS_RTAS @@ -14,29 +19,47 @@ config PPC_PSERIES select PPC_RTAS_DAEMON select RTAS_ERROR_LOGGING select PPC_UDBG_16550 - select PPC_NATIVE - select PPC_PCI_CHOICE if EXPERT - select ZLIB_DEFLATE select PPC_DOORBELL - select HAVE_CONTEXT_TRACKING - select HOTPLUG if SMP - select HOTPLUG_CPU if SMP + select HOTPLUG_CPU + select FORCE_SMP + select SWIOTLB + select ARCH_SUPPORTS_PER_VMA_LOCK + select PPC_RADIX_BROADCAST_TLBIE if PPC_RADIX_MMU default y +config PARAVIRT + bool + +config PARAVIRT_SPINLOCKS + bool + +config PARAVIRT_TIME_ACCOUNTING + select PARAVIRT + bool + config PPC_SPLPAR - depends on PPC_PSERIES bool "Support for shared-processor logical partitions" - default n + depends on PPC_PSERIES + select PARAVIRT_SPINLOCKS if PPC_QUEUED_SPINLOCKS + select PARAVIRT_TIME_ACCOUNTING if VIRT_CPU_ACCOUNTING_GEN + default y help Enabling this option will make the kernel run more efficiently on logically-partitioned pSeries systems which use shared processors, that is, which share physical processors between two or more partitions. -config PSERIES_MSI - bool - depends on PCI_MSI && EEH - default y + Say Y if you are unsure. + +config DTL + bool "Dispatch Trace Log" + depends on PPC_SPLPAR && DEBUG_FS + help + SPLPAR machines can log hypervisor preempt & dispatch events to a + kernel buffer. Saying Y here will enable logging these events, + which are accessible through a debugfs file. + + Say N if you are unsure. config PSERIES_ENERGY tristate "pSeries energy management capabilities driver" @@ -48,10 +71,6 @@ config PSERIES_ENERGY Provides: /sys/devices/system/cpu/pseries_(de)activation_hint_list and /sys/devices/system/cpu/cpuN/pseries_(de)activation_hint -config SCANLOG - tristate "Scanlog dump interface" - depends on RTAS_PROC && PPC_PSERIES - config IO_EVENT_IRQ bool "IO Event Interrupt support" depends on PPC_PSERIES @@ -74,25 +93,24 @@ config LPARCFG bool "LPAR Configuration Data" depends on PPC_PSERIES help - Provide system capacity information via human readable - <key word>=<value> pairs through a /proc/ppc64/lparcfg interface. + Provide system capacity information via human readable + <key word>=<value> pairs through a /proc/ppc64/lparcfg interface. config PPC_PSERIES_DEBUG depends on PPC_PSERIES && PPC_EARLY_DEBUG bool "Enable extra debug logging in platforms/pseries" - help + default y + help Say Y here if you want the pseries core to produce a bunch of debug messages to the system log. Select this if you are having a problem with the pseries core and want to see more of what is going on. This does not enable debugging in lpar.c, which must be manually done due to its verbosity. - default y config PPC_SMLPAR bool "Support for shared-memory logical partitions" depends on PPC_PSERIES select LPARCFG - default n help Select this option to enable shared memory partition support. With this option a system running in an LPAR can be given more @@ -102,6 +120,7 @@ config PPC_SMLPAR config CMM tristate "Collaborative memory management" depends on PPC_SMLPAR + select MEMORY_BALLOON default y help Select this option, if you want to enable the kernel interface @@ -111,21 +130,88 @@ config CMM will be reused for other LPARs. The interface allows firmware to balance memory across many LPARs. -config DTL - bool "Dispatch Trace Log" - depends on PPC_SPLPAR && DEBUG_FS +config HTMDUMP + tristate "PowerVM data dumper" + depends on PPC_PSERIES && DEBUG_FS + default m help - SPLPAR machines can log hypervisor preempt & dispatch events to a - kernel buffer. Saying Y here will enable logging these events, - which are accessible through a debugfs file. + Select this option, if you want to enable the kernel debugfs + interface to dump the Hardware Trace Macro (HTM) function data + in the LPAR. - Say N if you are unsure. +config HV_PERF_CTRS + bool "Hypervisor supplied PMU events (24x7 & GPCI)" + default y + depends on PERF_EVENTS && PPC_PSERIES + help + Enable access to hypervisor supplied counters in perf. Currently, + this enables code that uses the hcall GetPerfCounterInfo and 24x7 + interfaces to retrieve counters. GPCI exists on Power 6 and later + systems. 24x7 is available on Power 8 and later systems. + + If unsure, select Y. + +config VPA_PMU + tristate "VPA PMU events" + depends on KVM_BOOK3S_64_HV && HV_PERF_CTRS + help + Enable access to the VPA PMU counters via perf. This enables + code that support measurement for KVM on PowerVM(KoP) feature. + PAPR hypervisor has introduced three new counters in the VPA area + of LPAR CPUs for KVM L2 guest observability. Two for context switches + from host to guest and vice versa, and one counter for getting + the total time spent inside the KVM guest. This config enables code + that access these software counters via perf. + + If unsure, Select N. -config PSERIES_IDLE - bool "Cpuidle driver for pSeries platforms" - depends on CPU_IDLE +config IBMVIO depends on PPC_PSERIES + bool default y + +config IBMEBUS + depends on PPC_PSERIES && !CPU_LITTLE_ENDIAN + bool "Support for GX bus based adapters" help - Select this option to enable processor idle state management - through cpuidle subsystem. + Bus device driver for GX bus based adapters. + +config PSERIES_PLPKS + depends on PPC_PSERIES + select NLS + bool + # PowerVM provides an isolated Platform Keystore (PKS) storage + # allocation for each LPAR with individually managed access + # controls to store sensitive information securely. It can be + # used to store asymmetric public keys or secrets as required + # by different usecases. + # + # This option is selected by in-kernel consumers that require + # access to the PKS. + +config PSERIES_PLPKS_SED + depends on PPC_PSERIES + bool + # This option is selected by in-kernel consumers that require + # access to the SED PKS keystore. + +config PAPR_SCM + depends on PPC_PSERIES && MEMORY_HOTPLUG && LIBNVDIMM + tristate "Support for the PAPR Storage Class Memory interface" + help + Enable access to hypervisor provided storage class memory. + +config PPC_SVM + bool "Secure virtual machine (SVM) support for POWER" + depends on PPC_PSERIES + select SWIOTLB + select ARCH_HAS_MEM_ENCRYPT + select ARCH_HAS_FORCE_DMA_UNENCRYPTED + select ARCH_HAS_CC_PLATFORM + help + There are certain POWER platforms which support secure guests using + the Protected Execution Facility, with the help of an Ultravisor + executing below the hypervisor layer. This enables support for + those guests. + + If unsure, say "N". |