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