lkml.org 
[lkml]   [2019]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Subject[PATCH v8 0/8] Add Error Disconnect Recover (EDR) support
    Date
    From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>

    This patchset adds support for following features:

    1. Error Disconnect Recover (EDR) support.
    2. _OSC based negotiation support for DPC.

    You can find EDR spec in the following link.

    https://members.pcisig.com/wg/PCI-SIG/document/12614

    Changes since v7:
    * Updated DSM version number to match the spec.

    Changes since v6:
    * Modified the order of patches to enable EDR only after all necessary support is added in kernel.
    * Addressed Bjorn comments.

    Changes since v5:
    * Addressed Keith's comments.
    * Added additional check for FF mode in pci_aer_init().
    * Updated commit history of "PCI/DPC: Add support for DPC recovery on NON_FATAL errors" patch.

    Changes since v4:
    * Rebased on top of v5.3-rc1
    * Fixed lock/unlock issue in edr_handle_event().
    * Merged "Update error status after reset_link()" patch into this patchset.

    Changes since v3:
    * Moved EDR related ACPI functions/definitions to pci-acpi.c
    * Modified commit history in few patches to include spec reference.
    * Added support to handle DPC triggered by NON_FATAL errors.
    * Added edr_lock to protect PCI device receiving duplicate EDR notifications.
    * Addressed Bjorn comments.

    Changes since v2:
    * Split EDR support patch into multiple patches.
    * Addressed Bjorn comments.

    Changes since v1:
    * Rebased on top of v5.1-rc1

    Kuppuswamy Sathyanarayanan (8):
    PCI/ERR: Update error status after reset_link()
    PCI/DPC: Allow dpc_probe() even if firmware first mode is enabled
    PCI/DPC: Add dpc_process_error() wrapper function
    PCI/DPC: Add Error Disconnect Recover (EDR) support
    PCI/AER: Allow clearing Error Status Register in FF mode
    PCI/DPC: Update comments related to DPC recovery on NON_FATAL errors
    PCI/DPC: Clear AER registers in EDR mode
    PCI/ACPI: Enable EDR support

    drivers/acpi/pci_root.c | 9 ++
    drivers/pci/pci-acpi.c | 91 +++++++++++++++
    drivers/pci/pcie/Kconfig | 10 ++
    drivers/pci/pcie/aer.c | 12 +-
    drivers/pci/pcie/dpc.c | 194 +++++++++++++++++++++++++++++---
    drivers/pci/pcie/err.c | 10 +-
    drivers/pci/pcie/portdrv_core.c | 8 +-
    drivers/pci/probe.c | 1 +
    include/linux/acpi.h | 6 +-
    include/linux/pci-acpi.h | 11 ++
    include/linux/pci.h | 3 +-
    11 files changed, 321 insertions(+), 34 deletions(-)

    --
    2.21.0

    \
     
     \ /
      Last update: 2019-08-27 19:33    [W:2.464 / U:0.096 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site