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[v3,0/7] Fix PF/VF dependency issue

Message ID cover.1561061640.git.sathyanarayanan.kuppuswamy@linux.intel.com
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Series Fix PF/VF dependency issue | expand

Message

Kuppuswamy Sathyanarayanan June 20, 2019, 8:38 p.m. UTC 
From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>

Current implementation of ATS, PASID, PRI does not handle VF dependencies
correctly. Following patches addresses this issue.

Changes since v1:
 * Added more details about the patches in commit log.
 * Removed bulk spec check patch.
 * Addressed comments from Bjorn Helgaas.

Changes since v2:
 * Added locking mechanism to synchronize accessing PF registers in VF.
 * Removed spec compliance checks in patches.
 * Addressed comments from Bjorn Helgaas. 

Kuppuswamy Sathyanarayanan (7):
  PCI/ATS: Fix pci_prg_resp_pasid_required() dependency issues
  PCI/ATS: Initialize PRI in pci_ats_init()
  PCI/ATS: Initialize PASID in pci_ats_init()
  PCI/ATS: Add PRI support for PCIe VF devices
  PCI/ATS: Add PASID support for PCIe VF devices
  PCI/ATS: Disable PF/VF ATS service independently
  PCI: Skip Enhanced Allocation (EA) initialization for VF device

 drivers/pci/ats.c       | 385 ++++++++++++++++++++++++++++++----------
 drivers/pci/pci.c       |   7 +
 include/linux/pci-ats.h |  12 +-
 include/linux/pci.h     |   7 +-
 4 files changed, 312 insertions(+), 99 deletions(-)