diff options
Diffstat (limited to 'drivers/virtio/Kconfig')
| -rw-r--r-- | drivers/virtio/Kconfig | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index 69a32dfc318a..5809e5f5b157 100644 --- a/drivers/virtio/Kconfig +++ b/drivers/virtio/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config VIRTIO tristate - ---help--- + help This option is selected by any driver which implements the virtio bus, such as CONFIG_VIRTIO_PCI, CONFIG_VIRTIO_MMIO, CONFIG_RPMSG or CONFIG_S390_GUEST. @@ -16,7 +16,7 @@ config VIRTIO_PCI tristate "PCI driver for virtio devices" depends on PCI select VIRTIO - ---help--- + help This driver provides support for virtio based paravirtual device drivers over PCI. This requires that your VMM has appropriate PCI virtio backends. Most QEMU based VMMs should support these devices @@ -28,7 +28,7 @@ config VIRTIO_PCI_LEGACY bool "Support for legacy virtio draft 0.9.X and older devices" default y depends on VIRTIO_PCI - ---help--- + help Virtio PCI Card 0.9.X Draft (circa 2014) and older device support. This option enables building a transitional driver, supporting @@ -72,17 +72,34 @@ config VIRTIO_BALLOON depends on VIRTIO select MEMORY_BALLOON select PAGE_REPORTING - ---help--- + help This driver supports increasing and decreasing the amount of memory within a KVM guest. If unsure, say M. +config VIRTIO_MEM + tristate "Virtio mem driver" + default m + depends on X86_64 + depends on VIRTIO + depends on MEMORY_HOTPLUG_SPARSE + depends on MEMORY_HOTREMOVE + select CONTIG_ALLOC + help + This driver provides access to virtio-mem paravirtualized memory + devices, allowing to hotplug and hotunplug memory. + + This driver was only tested under x86-64, but should theoretically + work on all architectures that support memory hotplug and hotremove. + + If unsure, say M. + config VIRTIO_INPUT tristate "Virtio input driver" depends on VIRTIO depends on INPUT - ---help--- + help This driver supports virtio input devices such as keyboards, mice and tablets. @@ -92,7 +109,7 @@ config VIRTIO_MMIO tristate "Platform bus driver for memory mapped virtio devices" depends on HAS_IOMEM && HAS_DMA select VIRTIO - ---help--- + help This drivers provides support for memory mapped virtio platform device driver. @@ -101,7 +118,7 @@ config VIRTIO_MMIO config VIRTIO_MMIO_CMDLINE_DEVICES bool "Memory mapped virtio devices parameter parsing" depends on VIRTIO_MMIO - ---help--- + help Allow virtio-mmio devices instantiation via the kernel command line or module parameters. Be aware that using incorrect parameters (base address in particular) can crash your system - you have been warned. |