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	#
				4	config PCI_MSI
				5	bool "Message Signaled Interrupts (MSI and MSI-X)"
				6	depends on PCI
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	7	help
				8	This allows device drivers to enable MSI (Message Signaled
				9	Interrupts). Message Signaled Interrupts enable a device to
				10	generate an interrupt using an inbound Memory Write on its
				11	PCI bus instead of asserting a device IRQ pin.
				12
Matthew Wilcox	309e57d	2006-03-05 22:33:34 -0700	[diff] [blame]	13	Use of PCI MSI interrupts can be disabled at kernel boot time
				14	by using the 'pci=nomsi' option. This disables MSI for the
				15	entire system.
				16
Jesse Barnes	3196180	2010-04-08 09:38:47 -0700	[diff] [blame]	17	If you don't know what to do here, say Y.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	18
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	19	config PCI_DEBUG
				20	bool "PCI Debugging"
				21	depends on PCI && DEBUG_KERNEL
				22	help
				23	Say Y here if you want the PCI core to produce a bunch of debug
				24	messages to the system log. Select this if you are having a
				25	problem with PCI support and want to see more of what is going on.
				26
				27	When in doubt, say N.
				28
Yinghai Lu	b07f2eb	2012-02-23 19:23:32 -0800	[diff] [blame]	29	config PCI_REALLOC_ENABLE_AUTO
				30	bool "Enable PCI resource re-allocation detection"
				31	depends on PCI
				32	help
				33	Say Y here if you want the PCI core to detect if PCI resource
				34	re-allocation needs to be enabled. You can always use pci=realloc=on
				35	or pci=realloc=off to override it. Note this feature is a no-op
				36	unless PCI_IOV support is also enabled; in that case it will
				37	automatically re-allocate PCI resources if SR-IOV BARs have not
				38	been allocated by the BIOS.
				39
				40	When in doubt, say N.
				41
Chris Wright	c70e0d9	2008-11-25 21:17:13 -0800	[diff] [blame]	42	config PCI_STUB
				43	tristate "PCI Stub driver"
				44	depends on PCI
				45	help
				46	Say Y or M here if you want be able to reserve a PCI device
				47	when it is going to be assigned to a guest operating system.
				48
				49	When in doubt, say N.
				50
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	51	config XEN_PCIDEV_FRONTEND
				52	tristate "Xen PCI Frontend"
				53	depends on PCI && X86 && XEN
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	54	select PCI_XEN
Konrad Rzeszutek Wilk	fce263c	2010-12-10 22:33:15 -0500	[diff] [blame]	55	select XEN_XENBUS_FRONTEND
Ryan Wilson	956a920	2010-08-02 21:31:05 -0400	[diff] [blame]	56	default y
				57	help
				58	The PCI device frontend driver allows the kernel to import arbitrary
				59	PCI devices from a PCI backend to support PCI driver domains.
				60
Eric W. Biederman	8b955b0	2006-10-04 02:16:55 -0700	[diff] [blame]	61	config HT_IRQ
				62	bool "Interrupts on hypertransport devices"
				63	default y
Adrian Bunk	fbab41c	2006-10-11 01:22:04 -0700	[diff] [blame]	64	depends on PCI && X86_LOCAL_APIC && X86_IO_APIC
Eric W. Biederman	8b955b0	2006-10-04 02:16:55 -0700	[diff] [blame]	65	help
				66	This allows native hypertransport devices to use interrupts.
				67
				68	If unsure say Y.
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	69
Joerg Roedel	db3c33c	2011-09-27 15:57:13 +0200	[diff] [blame]	70	config PCI_ATS
				71	bool
				72
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	73	config PCI_IOV
				74	bool "PCI IOV support"
				75	depends on PCI
Joerg Roedel	db3c33c	2011-09-27 15:57:13 +0200	[diff] [blame]	76	select PCI_ATS
Yu Zhao	d1b054d	2009-03-20 11:25:11 +0800	[diff] [blame]	77	help
				78	I/O Virtualization is a PCI feature supported by some devices
				79	which allows them to create virtual devices which share their
				80	physical resources.
				81
				82	If unsure, say N.
Bjorn Helgaas	204d49a	2009-10-26 11:20:47 -0600	[diff] [blame]	83
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	84	config PCI_PRI
				85	bool "PCI PRI support"
Joerg Roedel	c54420d	2011-10-30 16:35:07 +0100	[diff] [blame]	86	depends on PCI
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	87	select PCI_ATS
				88	help
				89	PRI is the PCI Page Request Interface. It allows PCI devices that are
				90	behind an IOMMU to recover from page faults.
				91
				92	If unsure, say N.
				93
Joerg Roedel	086ac11	2011-09-27 15:57:16 +0200	[diff] [blame]	94	config PCI_PASID
				95	bool "PCI PASID support"
				96	depends on PCI
				97	select PCI_ATS
				98	help
				99	Process Address Space Identifiers (PASIDs) can be used by PCI devices
				100	to access more than one IO address space at the same time. To make
				101	use of this feature an IOMMU is required which also supports PASIDs.
				102	Select this option if you have such an IOMMU and want to compile the
				103	driver for it into your kernel.
				104
				105	If unsure, say N.
				106
Bjorn Helgaas	204d49a	2009-10-26 11:20:47 -0600	[diff] [blame]	107	config PCI_IOAPIC
Yinghai Lu	7741043	2014-01-02 16:05:57 -0800	[diff] [blame]	108	bool "PCI IO-APIC hotplug support" if X86
Bjorn Helgaas	204d49a	2009-10-26 11:20:47 -0600	[diff] [blame]	109	depends on PCI
				110	depends on ACPI
Yinghai Lu	7741043	2014-01-02 16:05:57 -0800	[diff] [blame]	111	depends on X86_IO_APIC
Jan Beulich	b95a7bd	2011-12-06 07:49:30 +0000	[diff] [blame]	112	default !X86
Narendra_K@Dell.com	6058989	2011-03-02 22:34:17 +0530	[diff] [blame]	113
Randy Dunlap	8a226e0	2011-03-29 09:45:57 -0700	[diff] [blame]	114	config PCI_LABEL
				115	def_bool y if (DMI \|\| ACPI)
				116	select NLS
Thomas Petazzoni	45361a4	2013-05-16 17:55:22 +0200	[diff] [blame]	117
				118	source "drivers/pci/host/Kconfig"