linux/drivers/pci
Keith Busch 26e5157133 PCI: Add Downstream Port Containment driver
Add driver for the PCI Express Downstream Port Containment extended
capability.  DPC is an optional capability to contain uncorrectable errors
below a port.

For more information on DPC, please see PCI Express Base Specification
Revision 4, section 7.31, or view the PCI-SIG DPC ECN here:

  https://pcisig.com/sites/default/files/specification_documents/ECN_DPC_2012-02-09_finalized.pdf

When a DPC event is triggered, the hardware disables downstream links, so
the DPC driver schedules removal for all devices below this port.  This may
happen concurrently with a PCIe hotplug driver if enabled.  When all
downstream devices are removed and the link state transitions to disabled,
the DPC driver clears the DPC status and interrupt bits so the link may
retrain for a newly connected device.

[bhelgaas: clear (not set) DPC_CTL bits on remove, whitespace cleanup]
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lukas Wunner <lukas@wunner.de>
2016-05-03 10:39:24 -05:00
..
host Revert "PCI: dra7xx: Mark driver as broken" 2016-03-22 07:50:11 -05:00
hotplug s390/pci: remove pdev pointer from arch data 2016-02-23 08:56:16 +01:00
pcie PCI: Add Downstream Port Containment driver 2016-05-03 10:39:24 -05:00
access.c PCI: Sleep rather than busy-wait for VPD access completion 2016-03-10 14:24:48 -06:00
ats.c PCI: Remove pci_ats_enabled() 2015-08-13 15:59:59 -05:00
bus.c powerpc updates for 4.6 2016-03-19 15:38:41 -07:00
host-bridge.c Merge branch 'pci/misc' into next 2015-04-10 08:27:18 -05:00
hotplug-pci.c
htirq.c x86/htirq: Use hierarchical irqdomain to manage Hypertransport interrupts 2015-04-24 15:36:50 +02:00
iov.c powerpc updates for 4.6 2016-03-19 15:38:41 -07:00
irq.c
Kconfig PCI: Restore inclusion of pci/hotplug Kconfig 2016-03-21 07:33:34 -05:00
Makefile ARC: Add PCI support 2016-03-10 14:44:13 -06:00
msi.c PCI changes for the v4.5 merge window: 2016-01-21 11:52:16 -08:00
of.c PCI/MSI: Use of_msi_get_domain instead of open-coded "msi-parent" parsing 2015-10-16 13:07:14 +01:00
pci-acpi.c Power management and ACPI updates for v4.5-rc1 2016-01-12 20:25:09 -08:00
pci-driver.c PCI / PM: Tune down retryable runtime suspend error messages 2015-12-02 15:24:21 +01:00
pci-label.c PCI: Fix broken URL for Dell biosdevname 2016-02-29 12:03:19 -06:00
pci-stub.c
pci-sysfs.c Merge branch 'pci/resource' into next 2016-03-15 08:56:28 -05:00
pci.c PCI changes for the v4.6 merge window: 2016-03-16 14:45:55 -07:00
pci.h PCI: Fold struct pci_vpd_pci22 into struct pci_vpd 2016-02-29 17:47:36 -06:00
probe.c Merge branch 'pci/resource' into next 2016-03-15 08:56:28 -05:00
proc.c
quirks.c Merge branches 'pci/aer', 'pci/enumeration', 'pci/kconfig', 'pci/misc', 'pci/virtualization' and 'pci/vpd' into next 2016-03-15 08:55:02 -05:00
remove.c Merge branch 'pci/resource' into next 2016-03-15 08:56:28 -05:00
rom.c PCI: Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY 2016-03-12 06:00:29 -06:00
search.c PCI: Delete unnecessary NULL pointer checks 2014-11-10 21:02:17 -07:00
setup-bus.c PCI: Remove includes of empty asm-generic/pci-bridge.h 2016-02-05 16:28:36 -06:00
setup-irq.c PCI: Export symbols required for loadable host driver modules 2015-04-08 14:17:10 -05:00
setup-res.c PCI: Don't assign or reassign immutable resources 2016-03-08 12:14:31 -06:00
slot.c PCI: Hold pci_slot_mutex while searching bus->slots list 2015-07-30 16:19:53 -05:00
syscall.c
vc.c PCI: Use dev->has_secondary_link to find downstream PCIe links 2015-05-29 15:35:26 -05:00
vpd.c
xen-pcifront.c xen/pcifront: Fix mysterious crashes when NUMA locality information was extracted. 2016-02-15 14:34:57 +00:00