Blame - drivers/pci/Kconfig - kernel/msm-5.4

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Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1	#
				2	# PCI configuration
				3	#
				4	config PCI_MSI
				5	bool "Message Signaled Interrupts (MSI and MSI-X)"
				6	depends on PCI
Jiang Liu	38b6a1c	2014-11-12 12:11:25 +0100	[diff] [blame]	7	select GENERIC_MSI_IRQ
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	8	help
				9	This allows device drivers to enable MSI (Message Signaled
				10	Interrupts). Message Signaled Interrupts enable a device to
				11	generate an interrupt using an inbound Memory Write on its
				12	PCI bus instead of asserting a device IRQ pin.
				13
Matthew Wilcox	309e57d	2006-03-05 22:33:34 -0700	[diff] [blame]	14	Use of PCI MSI interrupts can be disabled at kernel boot time
				15	by using the 'pci=nomsi' option. This disables MSI for the
				16	entire system.
				17
Jesse Barnes	3196180	2010-04-08 09:38:47 -0700	[diff] [blame]	18	If you don't know what to do here, say Y.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	19
Jiang Liu	3878eae	2014-11-11 21:02:18 +0800	[diff] [blame]	20	config PCI_MSI_IRQ_DOMAIN
				21	bool
				22	depends on PCI_MSI
				23	select GENERIC_MSI_IRQ_DOMAIN
				24
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	25	config PCI_DEBUG
				26	bool "PCI Debugging"
				27	depends on PCI && DEBUG_KERNEL
				28	help
				29	Say Y here if you want the PCI core to produce a bunch of debug
				30	messages to the system log. Select this if you are having a
				31	problem with PCI support and want to see more of what is going on.
				32
				33	When in doubt, say N.
				34
Yinghai Lu	b07f2eb	2012-02-23 19:23:32 -0800	[diff] [blame]	35	config PCI_REALLOC_ENABLE_AUTO
				36	bool "Enable PCI resource re-allocation detection"
				37	depends on PCI
				38	help
				39	Say Y here if you want the PCI core to detect if PCI resource
				40	re-allocation needs to be enabled. You can always use pci=realloc=on
				41	or pci=realloc=off to override it. Note this feature is a no-op
				42	unless PCI_IOV support is also enabled; in that case it will
				43	automatically re-allocate PCI resources if SR-IOV BARs have not
				44	been allocated by the BIOS.
				45
				46	When in doubt, say N.
				47
Chris Wright	c70e0d9	2008-11-25 21:17:13 -0800	[diff] [blame]	48	config PCI_STUB
				49	tristate "PCI Stub driver"
				50	depends on PCI
				51	help
				52	Say Y or M here if you want be able to reserve a PCI device
				53	when it is going to be assigned to a guest operating system.
				54
				55	When in doubt, say N.
				56
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	57	config XEN_PCIDEV_FRONTEND
				58	tristate "Xen PCI Frontend"
				59	depends on PCI && X86 && XEN
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	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
Jiang Liu	2f60002	2014-10-27 16:12:06 +0800	[diff] [blame]	70	depends on PCI && X86_LOCAL_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
Randy Dunlap	8a226e0	2011-03-29 09:45:57 -0700	[diff] [blame]	113	config PCI_LABEL
				114	def_bool y if (DMI \|\| ACPI)
				115	select NLS
Thomas Petazzoni	45361a4	2013-05-16 17:55:22 +0200	[diff] [blame]	116
				117	source "drivers/pci/host/Kconfig"