kernel/linux
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2026-09-28 19:20:30 +00:00
Code Issues Releases Packages Activity
linux/drivers/pci/pcie
History
Bjorn Helgaas fc557b76dc PCI/AER: Decode Requester ID when no error info found 
[ Upstream commit 1291b716bb ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-02-05 20:12:59 +00:00
..
aer.c PCI/AER: Decode Requester ID when no error info found 2024-02-05 20:12:59 +00:00
aer_inject.c PCI/AER: Update aer-inject URL 2022-03-02 11:26:17 -06:00
aspm.c Revert "PCI/ASPM: Remove pcie_aspm_pm_state_change()" 2024-01-10 17:10:20 +01:00
dpc.c PCI/DPC: Await readiness of secondary bus after reset 2023-03-10 09:34:31 +01:00
edr.c PCI/EDR: Clear Device Status after EDR error recovery 2023-05-11 23:03:28 +09:00
err.c PCI/ERR: Recognize disconnected devices in report_error_detected() 2022-06-08 15:08:40 -05:00
Kconfig PCI/AER: Update aer-inject URL 2022-03-02 11:26:17 -06:00
Makefile PCI/ERR: Reduce compile time for CONFIG_PCIEAER=n 2021-10-16 09:16:59 -05:00
pme.c PCI/PME: Use PCI_POSSIBLE_ERROR() to check config reads 2021-11-18 14:13:18 -06:00
portdrv.h PCI/portdrv: Remove unused pcie_port_bus_{,un}register() declarations 2021-10-15 14:25:18 -05:00
portdrv_core.c PCI/portdrv: Don't disable AER reporting in get_port_device_capability() 2022-07-13 14:43:40 -05:00
portdrv_pci.c PCI: portdrv: Set driver_managed_dma 2022-04-28 15:32:20 +02:00
ptm.c PCI/PTM: Reorder functions in logical order 2022-09-12 15:29:52 -05:00
rcec.c PCI/RCEC: Fix RCiEP device to RCEC association 2021-03-10 15:10:46 -06:00