linux-kernel - [PATCH v6 0/8] PCI: Consolidate TLP Log reading and printing

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Message-Id: <20240913143632.5277-1-ilpo.jarvinen@linux.intel.com>
Date: Fri, 13 Sep 2024 17:36:24 +0300
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: linux-pci@...r.kernel.org,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Mahesh J Salgaonkar <mahesh@...ux.ibm.com>,
	Oliver O'Halloran <oohall@...il.com>,
	Lukas Wunner <lukas@...ner.de>,
	Krzysztof Wilczyński <kw@...ux.com>
Cc: linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH v6 0/8] PCI: Consolidate TLP Log reading and printing

This series has the remaining patches of the AER & DPC TLP Log handling
consolidation and now includes a few minor improvements to the earlier
accepted TLP Logging code.

v6:
- Preserve "AER:"/"DPC:" prefix on the printed TLP line
- New patch to add "AER:" also  on other lines of the AER error dump

v5:
- Fix build with AER=y and DPC=n
- Match kerneldoc and function parameter name

v4:
- Added patches:
	- Remove EXPORT of pcie_read_tlp_log()
	- Moved code to pcie/tlp.c and build only with AER enabled
	- Match variables in prototype and function
	- int -> unsigned int conversion
	- eetlp_prefix_max into own patch
- struct pcie_tlp_log param consistently called "log" within tlp.c
- Moved function prototypes into drivers/pci/pci.h
- Describe AER/DPC differences more clearly in one commit message

v3:
- Small rewording in a commit message

v2:
- Don't add EXPORT()s
- Don't include igxbe changes
- Don't use pr_cont() as it's incompatible with pci_err() and according
  to Andy Shevchenko should not be used in the first place

Ilpo Järvinen (8):
  PCI: Don't expose pcie_read_tlp_log() outside of PCI subsystem
  PCI: Move TLP Log handling to own file
  PCI: Make pcie_read_tlp_log() signature same
  PCI: Use unsigned int i in pcie_read_tlp_log()
  PCI: Store # of supported End-End TLP Prefixes
  PCI: Add TLP Prefix reading into pcie_read_tlp_log()
  PCI: Create helper to print TLP Header and Prefix Log
  PCI/AER: Add prefixes to printouts

 drivers/pci/ats.c             |   2 +-
 drivers/pci/pci.c             |  28 ---------
 drivers/pci/pci.h             |   9 +++
 drivers/pci/pcie/Makefile     |   2 +-
 drivers/pci/pcie/aer.c        |  26 ++++----
 drivers/pci/pcie/dpc.c        |  14 ++---
 drivers/pci/pcie/tlp.c        | 109 ++++++++++++++++++++++++++++++++++
 drivers/pci/probe.c           |  14 +++--
 include/linux/aer.h           |   3 +-
 include/linux/pci.h           |   2 +-
 include/uapi/linux/pci_regs.h |   2 +
 11 files changed, 149 insertions(+), 62 deletions(-)
 create mode 100644 drivers/pci/pcie/tlp.c

-- 
2.39.2