netdev - [PATCH v3 00/15] Forward MSI-X vector enable error code in pci_alloc_irq_vectors

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Date:   Tue,  9 Jun 2020 11:11:48 +0200
From:   Piotr Stankiewicz <piotr.stankiewicz@...el.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org
Cc:     Jonathan Corbet <corbet@....net>, Jens Axboe <axboe@...nel.dk>,
        Kurt Schwemmer <kurt.schwemmer@...rosemi.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vkoul@...nel.org>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Zhou <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Dennis Dalessandro <dennis.dalessandro@...el.com>,
        Mike Marciniszyn <mike.marciniszyn@...el.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Jakub Kicinski <kuba@...nel.org>,
        Igor Russkikh <irusskikh@...vell.com>,
        Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Brian King <brking@...ibm.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Jim Gill <jgill@...are.com>, linux-doc@...r.kernel.org,
        linux-crypto@...r.kernel.org, dmaengine@...r.kernel.org,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-rdma@...r.kernel.org, linux-media@...r.kernel.org,
        linux-mmc@...r.kernel.org, netdev@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Piotr Stankiewicz <piotr.stankiewicz@...el.com>
Subject: [PATCH v3 00/15] Forward MSI-X vector enable error code in pci_alloc_irq_vectors_affinity()

The primary objective of this patch series is to change the behaviour
of pci_alloc_irq_vectors_affinity() such that it forwards the MSI-X enable
error code when appropriate. In the process, though, it was pointed out
that there are multiple places in the kernel which check/ask for message
signalled interrupts (MSI or MSI-X), which spawned the first patch adding
PCI_IRQ_MSI_TYPES. Finally the rest of the chain converts all users to
take advantage of PCI_IRQ_MSI_TYPES or PCI_IRQ_ALL_TYPES, as
appropriate.

Piotr Stankiewicz (15):
  PCI/MSI: Forward MSI-X vector enable error code in
    pci_alloc_irq_vectors_affinity()
  PCI: Add macro for message signalled interrupt types
  PCI: Use PCI_IRQ_MSI_TYPES where appropriate
  ahci: Use PCI_IRQ_MSI_TYPES where appropriate
  crypto: inside-secure - Use PCI_IRQ_MSI_TYPES where appropriate
  dmaengine: dw-edma: Use PCI_IRQ_MSI_TYPES  where appropriate
  drm/amdgpu: Use PCI_IRQ_MSI_TYPES where appropriate
  IB/qib: Use PCI_IRQ_MSI_TYPES where appropriate
  media: ddbridge: Use PCI_IRQ_MSI_TYPES where appropriate
  vmw_vmci: Use PCI_IRQ_ALL_TYPES where appropriate
  mmc: sdhci: Use PCI_IRQ_MSI_TYPES where appropriate
  amd-xgbe: Use PCI_IRQ_MSI_TYPES where appropriate
  aquantia: atlantic: Use PCI_IRQ_ALL_TYPES where appropriate
  net: hns3: Use PCI_IRQ_MSI_TYPES where appropriate
  scsi: Use PCI_IRQ_MSI_TYPES and PCI_IRQ_ALL_TYPES where appropriate

 Documentation/PCI/msi-howto.rst               |  5 +++--
 drivers/ata/ahci.c                            |  2 +-
 drivers/crypto/inside-secure/safexcel.c       |  2 +-
 drivers/dma/dw-edma/dw-edma-pcie.c            |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c       | 11 +---------
 drivers/infiniband/hw/qib/qib_pcie.c          |  6 +++--
 drivers/media/pci/ddbridge/ddbridge-main.c    |  2 +-
 drivers/misc/vmw_vmci/vmci_guest.c            |  3 +--
 drivers/mmc/host/sdhci-pci-gli.c              |  3 +--
 drivers/mmc/host/sdhci-pci-o2micro.c          |  3 +--
 drivers/net/ethernet/amd/xgbe/xgbe-pci.c      |  2 +-
 .../ethernet/aquantia/atlantic/aq_pci_func.c  |  4 +---
 .../hisilicon/hns3/hns3pf/hclge_main.c        |  3 +--
 .../hisilicon/hns3/hns3vf/hclgevf_main.c      |  3 +--
 drivers/pci/msi.c                             | 22 ++++++++-----------
 drivers/pci/pcie/portdrv_core.c               |  4 ++--
 drivers/pci/switch/switchtec.c                |  3 +--
 drivers/scsi/ipr.c                            |  5 +++--
 drivers/scsi/vmw_pvscsi.c                     |  2 +-
 include/linux/pci.h                           |  4 ++--
 20 files changed, 37 insertions(+), 54 deletions(-)

-- 
2.17.2