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5d990b6275
linux/drivers/pci
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Chris Wright 5d990b6275 PCI: add pci_request_acs 
Commit ae21ee65e8 "PCI: acs p2p upsteram
forwarding enabling" doesn't actually enable ACS.

Add a function to pci core to allow an IOMMU to request that ACS
be enabled.  The existing mechanism of using iommu_found() in the pci
core to know when ACS should be enabled doesn't actually work due to
initialization order;  iommu has only been detected not initialized.

Have Intel and AMD IOMMUs request ACS, and Xen does as well during early
init of dom0.

Cc: Allen Kay <allen.m.kay@intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-12-04 16:19:24 -08:00
..
hotplug PCI: ibmphp_hpc: don't release hw sem twice if kthread stops 2009-12-04 15:18:01 -08:00
pcie PCI: fix BUG_ON triggered by logical PCIe root port removal 2009-12-04 16:09:59 -08:00
.gitignore
access.c PCI: Add pci_bus_set_ops 2009-06-16 14:29:33 -07:00
bus.c PCI AER: support Multiple Error Received and no error source id 2009-06-16 14:30:13 -07:00
dmar.c PCI: add pci_request_acs 2009-12-04 16:19:24 -08:00
hotplug-pci.c
hotplug.c
htirq.c Merge branch 'x86/apic' into irq/numa 2009-05-12 12:17:36 +02:00
intel-iommu.c PCI: use pci_is_pcie() in pci core 2009-11-24 15:25:16 -08:00
intr_remapping.c PCI: use pci_is_pcie() in pci core 2009-11-24 15:25:16 -08:00
intr_remapping.h Intel-IOMMU, intr-remap: source-id checking 2009-06-23 22:09:17 +01:00
ioapic.c PCI hotplug: move IOAPIC support from acpiphp to ioapic driver 2009-11-04 13:06:39 -08:00
iov.c PCI: use pci_is_pcie() in pci core 2009-11-24 15:25:16 -08:00
iova.c intel-iommu: Remove superfluous iova_alloc_lock from IOVA code 2009-07-15 08:17:02 +01:00
irq.c PCI: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-07 11:12:23 -08:00
Kconfig PCI: remove pci_find_slot from PCI_LEGACY config description 2009-11-04 13:06:42 -08:00
legacy.c PCI: disable pci_find_device warnings when deprecated pci functions are enabled 2009-09-09 13:29:25 -07:00
Makefile PCI hotplug: move IOAPIC support from acpiphp to ioapic driver 2009-11-04 13:06:39 -08:00
msi.c PCI MSI: Style cleanups 2009-09-09 13:29:35 -07:00
msi.h PCI MSI: shorten PCI_MSIX_ENTRY_* symbol names 2009-06-29 12:15:19 -07:00
pci-acpi.c PCI: use pci_is_pcie() in pci core 2009-11-24 15:25:16 -08:00
pci-driver.c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-09-16 07:49:54 -07:00
pci-stub.c PCI: pci-stub: add pci_stub.ids parameter 2009-09-09 13:44:34 -07:00
pci-sysfs.c PCI: show dma_mask bits in /sys 2009-12-04 15:47:50 -08:00
pci.c PCI: add pci_request_acs 2009-12-04 16:19:24 -08:00
pci.h PCI: acs p2p upsteram forwarding enabling 2009-11-04 08:47:25 -08:00
probe.c PCI: add pci_request_acs 2009-12-04 16:19:24 -08:00
proc.c PCI: define PCI resource names in an 'enum' 2009-01-07 11:13:01 -08:00
quirks.c vsprintf: use %pR, %pr instead of %pRt, %pRf 2009-11-04 13:06:41 -08:00
remove.c PCI: eliminate redundant pci_stop_dev() call from pci_destroy_dev() 2009-06-11 12:04:19 -07:00
rom.c PCI: fix rom.c kernel-doc warning 2009-02-13 12:01:56 -08:00
search.c PCI: use pci_is_pcie() in pci core 2009-11-24 15:25:16 -08:00
setup-bus.c PCI: Always set prefetchable base/limit upper32 registers 2009-12-04 15:52:43 -08:00
setup-irq.c PCI: use dev_printk when possible 2008-06-25 16:05:13 -07:00
setup-res.c PCI: improve discovery/configuration messages 2009-11-04 13:06:44 -08:00
slot.c PCI: fix kernel-doc warnings 2009-06-29 12:13:56 -07:00
syscall.c headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00