Blame - drivers/pci/Kconfig - kernel/msm-4.19

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Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1	#
				2	# PCI configuration
				3	#
Dan Williams	f282b970	2007-04-18 18:46:20 +1000	[diff] [blame]	4	config ARCH_SUPPORTS_MSI
				5	bool
Dan Williams	f282b970	2007-04-18 18:46:20 +1000	[diff] [blame]	6
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	7	config PCI_MSI
				8	bool "Message Signaled Interrupts (MSI and MSI-X)"
				9	depends on PCI
Dan Williams	f282b970	2007-04-18 18:46:20 +1000	[diff] [blame]	10	depends on ARCH_SUPPORTS_MSI
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	11	help
				12	This allows device drivers to enable MSI (Message Signaled
				13	Interrupts). Message Signaled Interrupts enable a device to
				14	generate an interrupt using an inbound Memory Write on its
				15	PCI bus instead of asserting a device IRQ pin.
				16
Matthew Wilcox	309e57d	2006-03-05 22:33:34 -0700	[diff] [blame]	17	Use of PCI MSI interrupts can be disabled at kernel boot time
				18	by using the 'pci=nomsi' option. This disables MSI for the
				19	entire system.
				20
Jesse Barnes	3196180	2010-04-08 09:38:47 -0700	[diff] [blame]	21	If you don't know what to do here, say Y.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	22
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	23	config PCI_DEBUG
				24	bool "PCI Debugging"
				25	depends on PCI && DEBUG_KERNEL
				26	help
				27	Say Y here if you want the PCI core to produce a bunch of debug
				28	messages to the system log. Select this if you are having a
				29	problem with PCI support and want to see more of what is going on.
				30
				31	When in doubt, say N.
				32
Yinghai Lu	b07f2eb	2012-02-23 19:23:32 -0800	[diff] [blame]	33	config PCI_REALLOC_ENABLE_AUTO
				34	bool "Enable PCI resource re-allocation detection"
				35	depends on PCI
				36	help
				37	Say Y here if you want the PCI core to detect if PCI resource
				38	re-allocation needs to be enabled. You can always use pci=realloc=on
				39	or pci=realloc=off to override it. Note this feature is a no-op
				40	unless PCI_IOV support is also enabled; in that case it will
				41	automatically re-allocate PCI resources if SR-IOV BARs have not
				42	been allocated by the BIOS.
				43
				44	When in doubt, say N.
				45
Chris Wright	c70e0d9	2008-11-25 21:17:13 -0800	[diff] [blame]	46	config PCI_STUB
				47	tristate "PCI Stub driver"
				48	depends on PCI
				49	help
				50	Say Y or M here if you want be able to reserve a PCI device
				51	when it is going to be assigned to a guest operating system.
				52
				53	When in doubt, say N.
				54
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	55	config XEN_PCIDEV_FRONTEND
				56	tristate "Xen PCI Frontend"
				57	depends on PCI && X86 && XEN
				58	select HOTPLUG
				59	select PCI_XEN
Konrad Rzeszutek Wilk	fce263c	2010-12-10 22:33:15 -0500	[diff] [blame]	60	select XEN_XENBUS_FRONTEND
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	61	default y
				62	help
				63	The PCI device frontend driver allows the kernel to import arbitrary
				64	PCI devices from a PCI backend to support PCI driver domains.
				65
Eric W. Biederman	8b955b0	2006-10-04 02:16:55 -0700	[diff] [blame]	66	config HT_IRQ
				67	bool "Interrupts on hypertransport devices"
				68	default y
Adrian Bunk	fbab41c	2006-10-11 01:22:04 -0700	[diff] [blame]	69	depends on PCI && X86_LOCAL_APIC && X86_IO_APIC
Eric W. Biederman	8b955b0	2006-10-04 02:16:55 -0700	[diff] [blame]	70	help
				71	This allows native hypertransport devices to use interrupts.
				72
				73	If unsure say Y.
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	74
Joerg Roedel	db3c33c	2011-09-27 15:57:13 +0200	[diff] [blame]	75	config PCI_ATS
				76	bool
				77
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	78	config PCI_IOV
				79	bool "PCI IOV support"
				80	depends on PCI
Joerg Roedel	db3c33c	2011-09-27 15:57:13 +0200	[diff] [blame]	81	select PCI_ATS
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	82	help
				83	I/O Virtualization is a PCI feature supported by some devices
				84	which allows them to create virtual devices which share their
				85	physical resources.
				86
				87	If unsure, say N.
Bjorn Helgaas	204d49a	2009-10-26 11:20:47 -0600	[diff] [blame]	88
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	89	config PCI_PRI
				90	bool "PCI PRI support"
Joerg Roedel	c54420d	2011-10-30 16:35:07 +0100	[diff] [blame]	91	depends on PCI
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	92	select PCI_ATS
				93	help
				94	PRI is the PCI Page Request Interface. It allows PCI devices that are
				95	behind an IOMMU to recover from page faults.
				96
				97	If unsure, say N.
				98
Joerg Roedel	086ac11	2011-09-27 15:57:16 +0200	[diff] [blame]	99	config PCI_PASID
				100	bool "PCI PASID support"
				101	depends on PCI
				102	select PCI_ATS
				103	help
				104	Process Address Space Identifiers (PASIDs) can be used by PCI devices
				105	to access more than one IO address space at the same time. To make
				106	use of this feature an IOMMU is required which also supports PASIDs.
				107	Select this option if you have such an IOMMU and want to compile the
				108	driver for it into your kernel.
				109
				110	If unsure, say N.
				111
Bjorn Helgaas	204d49a	2009-10-26 11:20:47 -0600	[diff] [blame]	112	config PCI_IOAPIC
Jan Beulich	b95a7bd	2011-12-06 07:49:30 +0000	[diff] [blame]	113	tristate "PCI IO-APIC hotplug support" if X86
Bjorn Helgaas	204d49a	2009-10-26 11:20:47 -0600	[diff] [blame]	114	depends on PCI
				115	depends on ACPI
				116	depends on HOTPLUG
Jan Beulich	b95a7bd	2011-12-06 07:49:30 +0000	[diff] [blame]	117	default !X86
Narendra_K@Dell.com	6058989	2011-03-02 22:34:17 +0530	[diff] [blame]	118
Randy Dunlap	8a226e0	2011-03-29 09:45:57 -0700	[diff] [blame]	119	config PCI_LABEL
				120	def_bool y if (DMI \|\| ACPI)
				121	select NLS