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vfio: Use kconfig if XX/endif blocks instead of repeating 'depends on' 

This results in less kconfig wordage and a simpler understanding of the
required "depends on" to create the menu structure.

The next patch increases the nesting level a lot so this is a nice
preparatory simplification.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20210826103912.128972-13-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Jason Gunthorpe 2021-08-26 13:39:11 +03:00 committed by Alex Williamson
parent ca4ddaac7f
commit 85c94dcffc
6 changed files with 34 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/vfio/Kconfig
View File

@ -1,25 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_IOMMU_TYPE1
tristate
depends on VFIO
default n
config VFIO_IOMMU_SPAPR_TCE
tristate
depends on VFIO && SPAPR_TCE_IOMMU
default VFIO
config VFIO_SPAPR_EEH
tristate
depends on EEH && VFIO_IOMMU_SPAPR_TCE
default VFIO
config VFIO_VIRQFD
tristate
depends on VFIO
select EVENTFD
default n
menuconfig VFIO
tristate "VFIO Non-Privileged userspace driver framework"
select IOMMU_API
@ -30,9 +9,28 @@ menuconfig VFIO
If you don't know what to do here, say N.
if VFIO
config VFIO_IOMMU_TYPE1
tristate
default n
config VFIO_IOMMU_SPAPR_TCE
tristate
depends on SPAPR_TCE_IOMMU
default VFIO
config VFIO_SPAPR_EEH
tristate
depends on EEH && VFIO_IOMMU_SPAPR_TCE
default VFIO
config VFIO_VIRQFD
tristate
select EVENTFD
default n
config VFIO_NOIOMMU
bool "VFIO No-IOMMU support"
depends on VFIO
help
VFIO is built on the ability to isolate devices using the IOMMU.
Only with an IOMMU can userspace access to DMA capable devices be
@ -49,4 +47,6 @@ source "drivers/vfio/pci/Kconfig"
source "drivers/vfio/platform/Kconfig"
source "drivers/vfio/mdev/Kconfig"
source "drivers/vfio/fsl-mc/Kconfig"
endif
source "virt/lib/Kconfig"

2
drivers/vfio/fsl-mc/Kconfig
View File

@ -1,6 +1,6 @@
config VFIO_FSL_MC
tristate "VFIO support for QorIQ DPAA2 fsl-mc bus devices"
depends on VFIO && FSL_MC_BUS
depends on FSL_MC_BUS
select EVENTFD
help
Driver to enable support for the VFIO QorIQ DPAA2 fsl-mc

1
drivers/vfio/mdev/Kconfig
View File

@ -2,7 +2,6 @@
config VFIO_MDEV
tristate "Mediated device driver framework"
depends on VFIO
default n
help
Provides a framework to virtualize devices.

11
drivers/vfio/pci/Kconfig
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_PCI
tristate "VFIO support for PCI devices"
depends on VFIO && PCI
depends on PCI
depends on MMU
select VFIO_VIRQFD
select IRQ_BYPASS_MANAGER
@ -11,9 +11,10 @@ config VFIO_PCI
If you don't know what to do here, say N.
if VFIO_PCI
config VFIO_PCI_VGA
bool "VFIO PCI support for VGA devices"
depends on VFIO_PCI && X86 && VGA_ARB
depends on X86 && VGA_ARB
help
Support for VGA extension to VFIO PCI. This exposes an additional
region on VGA devices for accessing legacy VGA addresses used by
@ -22,16 +23,14 @@ config VFIO_PCI_VGA
If you don't know what to do here, say N.
config VFIO_PCI_MMAP
depends on VFIO_PCI
def_bool y if !S390
config VFIO_PCI_INTX
depends on VFIO_PCI
def_bool y if !S390
config VFIO_PCI_IGD
bool "VFIO PCI extensions for Intel graphics (GVT-d)"
depends on VFIO_PCI && X86
depends on X86
default y
help
Support for Intel IGD specific extensions to enable direct
@ -40,3 +39,5 @@ config VFIO_PCI_IGD
and LPC bridge config space.
To enable Intel IGD assignment through vfio-pci, say Y.
endif

6
drivers/vfio/platform/Kconfig
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_PLATFORM
tristate "VFIO support for platform devices"
depends on VFIO && (ARM || ARM64 || COMPILE_TEST)
depends on ARM || ARM64 || COMPILE_TEST
select VFIO_VIRQFD
help
Support for platform devices with VFIO. This is required to make
@ -10,9 +10,10 @@ config VFIO_PLATFORM
If you don't know what to do here, say N.
if VFIO_PLATFORM
config VFIO_AMBA
tristate "VFIO support for AMBA devices"
depends on VFIO_PLATFORM && (ARM_AMBA || COMPILE_TEST)
depends on ARM_AMBA || COMPILE_TEST
help
Support for ARM AMBA devices with VFIO. This is required to make
use of ARM AMBA devices present on the system using the VFIO
@ -21,3 +22,4 @@ config VFIO_AMBA
If you don't know what to do here, say N.
source "drivers/vfio/platform/reset/Kconfig"
endif

4
drivers/vfio/platform/reset/Kconfig
View File

@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_PLATFORM_CALXEDAXGMAC_RESET
tristate "VFIO support for calxeda xgmac reset"
depends on VFIO_PLATFORM
help
Enables the VFIO platform driver to handle reset for Calxeda xgmac
@ -9,7 +8,6 @@ config VFIO_PLATFORM_CALXEDAXGMAC_RESET
config VFIO_PLATFORM_AMDXGBE_RESET
tristate "VFIO support for AMD XGBE reset"
depends on VFIO_PLATFORM
help
Enables the VFIO platform driver to handle reset for AMD XGBE
@ -17,7 +15,7 @@ config VFIO_PLATFORM_AMDXGBE_RESET
config VFIO_PLATFORM_BCMFLEXRM_RESET
tristate "VFIO support for Broadcom FlexRM reset"
depends on VFIO_PLATFORM && (ARCH_BCM_IPROC || COMPILE_TEST)
depends on ARCH_BCM_IPROC || COMPILE_TEST
default ARCH_BCM_IPROC
help
Enables the VFIO platform driver to handle reset for Broadcom FlexRM