Kconfig - OpenGrok cross reference for /linux-6.12.1/drivers/xen/Kconfig

1 # SPDX-License-Identifier: GPL-2.0-only
3 	depends on XEN
10 	  the system to expand the domain's memory allocation, or alternatively
11 	  return unneeded memory to the system.
15 	depends on XEN_BALLOON && MEMORY_HOTPLUG
19 	  available for the system above limit declared at system startup.
20 	  It is very useful on critical systems which require long
29 	       effect by checking /sys/devices/system/memory/auto_online_blocks
32 	    2) control domain: xl mem-max <target-domain> <maxmem>
35 	    3) control domain: xl mem-set <target-domain> <memory>
38 	       /sys/devices/system/xen_memory/xen_memory0/target or
39 	       /sys/devices/system/xen_memory/xen_memory0/target_kb on the
46 		for i in /sys/devices/system/memory/memory*/state; do \
51 …SUBSYSTEM=="memory", ACTION=="add", RUN+="/bin/sh -c '[ -f /sys$devpath/state ] && echo online > /…
56 	depends on XEN_HAVE_PVMMU
57 	depends on MEMORY_HOTPLUG
69 	bool "Scrub pages before returning them to system by default"
70 	depends on XEN_BALLOON
73 	  Scrub pages before returning them to the system for reuse by
78 	  /sys/devices/system/xen_memory/xen_memory0/scrub_pages.
112 	depends on XENFS
118 	  the compatibility mount point /proc/xen if it is running on
124 	depends on SYSFS
138 	depends on XEN
145 	bool "Add support for dma-buf grant access device driver extension"
146 	depends on XEN_GNTDEV && XEN_GRANT_DMA_ALLOC
150 	  dma-buf implementation. With this extension grant references to
151 	  the pages of an imported dma-buf can be exported for other domain
153 	  converted into a local dma-buf for local export.
156 	tristate "User-space grant reference allocator driver"
157 	depends on XEN
162 	  or as part of an inter-domain shared memory channel.
165 	bool "Allow allocating DMA capable buffers with grant reference module"
166 	depends on XEN && HAS_DMA
168 	  Extends grant table module API to allow allocating DMA capable
169 	  buffers and mapping foreign grant references on top of it.
180 	depends on ARCH_HAS_DMA_OPS
181 	depends on XEN_PV || ARM || ARM64
188 	tristate "Xen PCI-device stub driver"
189 	depends on PCI && !X86 && XEN
190 	depends on XEN_BACKEND
195 	  device backend driver without para-virtualized support for guests.
196 	  If you select this to be a module, you will need to make sure no
201 	  into the kernel) allows you to bind the PCI devices to this module
203 	  xen-pciback.hide=(03:00.0)(04:00.0)
208 	tristate "Xen PCI-device backend driver"
209 	depends on PCI && X86 && XEN
210 	depends on XEN_BACKEND
215 	  PCI devices to other guests. If you select this to be a module, you
225 	  into the kernel) allows you to bind the PCI devices to this module
227 	  xen-pciback.hide=(03:00.0)(04:00.0)
233 	depends on INET && XEN
243 	depends on INET && XEN && XEN_BACKEND
254 	depends on XEN && XEN_BACKEND && TARGET_CORE
257 	  to other guests via a high-performance shared-memory interface.
263 	depends on XEN
274 	depends on XEN_PRIVCMD && XEN_VIRTIO && EVENTFD
281 	depends on XEN && XEN_PV_DOM0 && X86 && ACPI_PROCESSOR && CPU_FREQ
293 	  To compile this driver as a module, choose M here: the module will be
299 	depends on XEN_PV_DOM0 && X86_MCE
309 	depends on (ARM || ARM64 || X86_64) && EFI
313 	depends on ARM || ARM64 || XEN_PVHVM
315 	  Support for auto-translated physmap guests.
319 	depends on X86 && ACPI
323 	depends on X86 && XEN_DOM0 && XENFS
337 	depends on ZONE_DEVICE
354 	depends on ARCH_HAS_DMA_OPS
355 	depends on VIRTIO
359 	  Enable virtio support for running as Xen guest. Depending on the
360 	  guest type this will require special support on the backend side
361 	  (qemu or kernel, depending on the virtio device types used).
367 	depends on XEN_VIRTIO
371 	  of the guest memory. This will need support on the backend side
372 	  (e.g. qemu or kernel, depending on the virtio device types used).