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	#
Yinghai Lu	3a9ad0b	2015-05-27 17:23:51 -0700	[diff] [blame]	4	config PCI_BUS_ADDR_T_64BIT
				5	def_bool y if (ARCH_DMA_ADDR_T_64BIT \|\| 64BIT)
				6	depends on PCI
				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
Jiang Liu	38b6a1c	2014-11-12 12:11:25 +0100	[diff] [blame]	11	select GENERIC_MSI_IRQ
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
Jiang Liu	3878eae	2014-11-11 21:02:18 +0800	[diff] [blame]	24	config PCI_MSI_IRQ_DOMAIN
				25	bool
				26	depends on PCI_MSI
				27	select GENERIC_MSI_IRQ_DOMAIN
				28
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	29	config PCI_DEBUG
				30	bool "PCI Debugging"
				31	depends on PCI && DEBUG_KERNEL
				32	help
				33	Say Y here if you want the PCI core to produce a bunch of debug
				34	messages to the system log. Select this if you are having a
				35	problem with PCI support and want to see more of what is going on.
				36
				37	When in doubt, say N.
				38
Yinghai Lu	b07f2eb	2012-02-23 19:23:32 -0800	[diff] [blame]	39	config PCI_REALLOC_ENABLE_AUTO
				40	bool "Enable PCI resource re-allocation detection"
				41	depends on PCI
				42	help
				43	Say Y here if you want the PCI core to detect if PCI resource
				44	re-allocation needs to be enabled. You can always use pci=realloc=on
				45	or pci=realloc=off to override it. Note this feature is a no-op
				46	unless PCI_IOV support is also enabled; in that case it will
				47	automatically re-allocate PCI resources if SR-IOV BARs have not
				48	been allocated by the BIOS.
				49
				50	When in doubt, say N.
				51
Chris Wright	c70e0d9	2008-11-25 21:17:13 -0800	[diff] [blame]	52	config PCI_STUB
				53	tristate "PCI Stub driver"
				54	depends on PCI
				55	help
				56	Say Y or M here if you want be able to reserve a PCI device
				57	when it is going to be assigned to a guest operating system.
				58
				59	When in doubt, say N.
				60
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	61	config XEN_PCIDEV_FRONTEND
				62	tristate "Xen PCI Frontend"
				63	depends on PCI && X86 && XEN
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	64	select PCI_XEN
Konrad Rzeszutek Wilk	fce263c	2010-12-10 22:33:15 -0500	[diff] [blame]	65	select XEN_XENBUS_FRONTEND
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	66	default y
				67	help
				68	The PCI device frontend driver allows the kernel to import arbitrary
				69	PCI devices from a PCI backend to support PCI driver domains.
				70
Eric W. Biederman	8b955b0	2006-10-04 02:16:55 -0700	[diff] [blame]	71	config HT_IRQ
				72	bool "Interrupts on hypertransport devices"
				73	default y
Jiang Liu	2f60002	2014-10-27 16:12:06 +0800	[diff] [blame]	74	depends on PCI && X86_LOCAL_APIC
Eric W. Biederman	8b955b0	2006-10-04 02:16:55 -0700	[diff] [blame]	75	help
				76	This allows native hypertransport devices to use interrupts.
				77
				78	If unsure say Y.
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	79
Joerg Roedel	db3c33c	2011-09-27 15:57:13 +0200	[diff] [blame]	80	config PCI_ATS
				81	bool
				82
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	83	config PCI_IOV
				84	bool "PCI IOV support"
				85	depends on PCI
Joerg Roedel	db3c33c	2011-09-27 15:57:13 +0200	[diff] [blame]	86	select PCI_ATS
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	87	help
				88	I/O Virtualization is a PCI feature supported by some devices
				89	which allows them to create virtual devices which share their
				90	physical resources.
				91
				92	If unsure, say N.
Bjorn Helgaas	204d49a	2009-10-26 11:20:47 -0600	[diff] [blame]	93
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	94	config PCI_PRI
				95	bool "PCI PRI support"
Joerg Roedel	c54420d	2011-10-30 16:35:07 +0100	[diff] [blame]	96	depends on PCI
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	97	select PCI_ATS
				98	help
				99	PRI is the PCI Page Request Interface. It allows PCI devices that are
				100	behind an IOMMU to recover from page faults.
				101
				102	If unsure, say N.
				103
Joerg Roedel	086ac11	2011-09-27 15:57:16 +0200	[diff] [blame]	104	config PCI_PASID
				105	bool "PCI PASID support"
				106	depends on PCI
				107	select PCI_ATS
				108	help
				109	Process Address Space Identifiers (PASIDs) can be used by PCI devices
				110	to access more than one IO address space at the same time. To make
				111	use of this feature an IOMMU is required which also supports PASIDs.
				112	Select this option if you have such an IOMMU and want to compile the
				113	driver for it into your kernel.
				114
				115	If unsure, say N.
				116
Randy Dunlap	8a226e0	2011-03-29 09:45:57 -0700	[diff] [blame]	117	config PCI_LABEL
				118	def_bool y if (DMI \|\| ACPI)
				119	select NLS
Thomas Petazzoni	45361a4	2013-05-16 17:55:22 +0200	[diff] [blame]	120
				121	source "drivers/pci/host/Kconfig"