linux/drivers/pci
Bjorn Helgaas 1291b716bb PCI/AER: Decode Requester ID when no error info found
When a device with AER detects an error, it logs error information in its
own AER Error Status registers.  It may send an Error Message to the Root
Port (RCEC in the case of an RCiEP), which logs the fact that an Error
Message was received (Root Error Status) and the Requester ID of the
message source (Error Source Identification).

aer_print_port_info() prints the Requester ID from the Root Port Error
Source in the usual Linux "bb:dd.f" format, but when find_source_device()
finds no error details in the hierarchy below the Root Port, it printed the
raw Requester ID without decoding it.

Decode the Requester ID in the usual Linux format so it matches other
messages.

Sample message changes:

  - pcieport 0000:00:1c.5: AER: Correctable error received: 0000:00:1c.5
  - pcieport 0000:00:1c.5: AER: can't find device of ID00e5
  + pcieport 0000:00:1c.5: AER: Correctable error message received from 0000:00:1c.5
  + pcieport 0000:00:1c.5: AER: found no error details for 0000:00:1c.5

Link: https://lore.kernel.org/r/20231206224231.732765-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
2024-01-02 16:51:27 -06:00
..
controller pci-v6.7-changes 2023-11-02 14:05:18 -10:00
endpoint Merge branch 'pci/misc' 2023-10-28 13:31:05 -05:00
hotplug Merge branch 'pci/field-get' 2023-10-28 13:31:05 -05:00
msi PCI/MSI: Use FIELD_GET/PREP() 2023-10-24 10:54:04 -05:00
pcie PCI/AER: Decode Requester ID when no error info found 2024-01-02 16:51:27 -06:00
switch PCI: switchtec: Add support for PCIe Gen5 devices 2023-08-09 14:16:44 -05:00
access.c PCI: Simplify pcie_capability_clear_and_set_word() control flow 2023-08-25 08:16:10 -05:00
ats.c PCI/ATS: Use FIELD_GET() 2023-10-24 16:55:45 -05:00
bus.c Devicetree updates for v6.6: 2023-08-30 16:59:03 -07:00
doe.c PCI/DOE: Fix destroy_work_on_stack() race 2023-07-27 15:20:47 -05:00
ecam.c
host-bridge.c
iov.c PCI/IOV: Use pci_dev_id() to simplify the code 2023-08-07 16:15:39 -05:00
irq.c PCI: Check for alloc failure in pci_request_irq() 2022-11-21 16:55:18 -06:00
Kconfig PCI: Replace unnecessary UTF-8 in Kconfig 2023-10-06 14:30:48 -05:00
Makefile PCI: Create device tree node for bridge 2023-08-22 14:56:09 -05:00
mmap.c
of_property.c PCI: of_property: Handle interrupt parsing failures 2023-09-29 17:33:46 -05:00
of.c PCI: of: Destroy changeset when adding PCI device node fails 2023-09-29 17:33:51 -05:00
p2pdma.c PCI/P2PDMA: Remove redundant goto 2023-10-23 12:17:52 -05:00
pci-acpi.c Merge branch 'pci/pm' 2023-10-28 13:30:59 -05:00
pci-bridge-emul.c
pci-bridge-emul.h
pci-driver.c PCI/PM: Mark devices disconnected if upstream PCIe link is down on resume 2023-09-29 17:42:00 -05:00
pci-label.c
pci-mid.c
pci-pf-stub.c
pci-stub.c
pci-sysfs.c Driver core changes for 6.7-rc1 2023-11-03 15:15:47 -10:00
pci.c Merge branch 'pci/field-get' 2023-10-28 13:31:05 -05:00
pci.h PCI: Add T_PVPERL macro 2023-10-20 12:11:25 +00:00
probe.c Merge branch 'pci/field-get' 2023-10-28 13:31:05 -05:00
proc.c
quirks.c Merge branch 'pci/misc' 2023-10-28 13:31:05 -05:00
remove.c PCI: Create device tree node for bridge 2023-08-22 14:56:09 -05:00
rom.c
search.c PCI: Add pci_get_base_class() helper 2023-09-28 16:49:44 -05:00
setup-bus.c PCI: Make pci_assign_unassigned_resources() non-init 2023-10-05 11:11:31 -05:00
setup-irq.c
setup-res.c PCI: Fix printk field formatting 2023-08-25 08:15:08 -05:00
slot.c PCI/sysfs: Constify struct kobj_type pci_slot_ktype 2023-02-16 12:00:25 -06:00
syscall.c PCI: Use consistent put_user() pointer types 2023-08-25 08:15:13 -05:00
vc.c PCI/VC: Use FIELD_GET() 2023-10-24 16:55:45 -05:00
vgaarb.c pci-v6.7-changes 2023-11-02 14:05:18 -10:00
vpd.c PCI/VPD: Add runtime power management to sysfs interface 2023-08-11 14:19:16 -05:00
xen-pcifront.c x86: always initialize xen-swiotlb when xen-pcifront is enabling 2023-07-31 17:54:27 +02:00