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Message-ID: <20230629165838.GA438762@bhelgaas>
Date: Thu, 29 Jun 2023 11:58:38 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Rob Herring <robh@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>
Subject: [GIT PULL] PCI changes for v6.5
The following changes since commit ac9a78681b921877518763ba0e89202254349d1b:
Linux 6.4-rc1 (2023-05-07 13:34:35 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git tags/pci-v6.5-changes
for you to fetch changes up to 6ecac465eee887de7ceda7ffe3bccf538eb786bc:
Merge branch 'pci/controller/remove-void-callbacks' (2023-06-26 13:00:00 -0500)
----------------------------------------------------------------
Enumeration:
- Export pcie_retrain_link() for use outside ASPM
- Add Data Link Layer Link Active Reporting as another way for
pcie_retrain_link() to determine the link is up
- Work around link training failures (especially on the ASMedia ASM2824
switch) by training first at 2.5GT/s and then attempting higher rates
Resource management:
- When we coalesce host bridge windows, remove invalidated resources from
the resource tree so future allocations work correctly
Hotplug:
- Cancel bringup sequence if card is not present, to keep from blinking
Power Indicator indefinitely
- Reassign bridge resources if necessary for ACPI hotplug
Driver binding:
- Convert platform_device .remove() callbacks to return void instead of a
mostly useless int
Power management:
- Reduce wait time for secondary bus to be ready to speed up resume
- Avoid putting EloPOS E2/S2/H2 (as well as Elo i2) PCIe Ports in D3cold
- Call _REG when transitioning D-states so AML that uses the PCI config
space OpRegion works, which fixes some ASMedia GPIO controllers after
resume
Virtualization:
- Delay extra 250ms after FLR of Solidigm P44 Pro NVMe to avoid KVM hang
when guest is rebooted
- Add function 1 DMA alias quirk for Marvell 88SE9235
Error handling:
- Unexport pci_save_aer_state() since it's only used in drivers/pci/
- Drop recommendation for drivers to configure AER Capability, since the
PCI core does this for all devices
ASPM:
- Disable ASPM on MFD function removal to avoid use-after-free
- Tighten up pci_enable_link_state() and pci_disable_link_state()
interfaces so they don't enable/disable states the driver didn't
specify
- Avoid link retraining race that can happen if ASPM sets link control
parameters while the link is in the midst of training for some other
reason
Endpoint framework:
- Change "PCI Endpoint Virtual NTB driver" Kconfig prompt to be different
from "PCI Endpoint NTB driver"
- Automatically create a function specific attributes group for endpoint
drivers to avoid reference counting issues
- Fix many EPC test issues
- Return pci_epf_type_add_cfs() error if EPF has no driver
- Add kernel-doc for pci_epc_raise_irq() and pci_epc_map_msi_irq() MSI
vector parameters
- Pass EPF device ID to driver probe functions
- Return -EALREADY if EPC has already been started/stopped
- Add linkdown notifier support and use it in qcom-ep
- Add Bus Master Enable event support and use it in qcom-ep
- Add Qualcomm Modem Host Interface (MHI) endpoint driver
- Add Layerscape PME interrupt handling to manage link-up notification
Cadence PCIe controller driver:
- Wait for link retrain to complete when working around the J721E i2085
erratum with Gen2 mode
Faraday FTPC100 PCI controller driver:
- Release clock resources on error paths
Freescale i.MX6 PCIe controller driver:
- Save and restore Root Port MSI control to work around hardware defect
Intel VMD host bridge driver:
- Reset VMD config register between soft reboots
- Capture pci_reset_bus() return value instead of printing junk when it
fails
Qualcomm PCIe controller driver:
- Add SDX65 endpoint compatible string to DT binding
- Disable register write access after init for IP v2.3.3, v2.9.0
- Use DWC helpers for enabling/disabling writes to DBI registers
- Hide slot hotplug capability for IP v1.0.0, v1.9.0, v2.1.0, v2.3.2,
v2.3.3, v2.7.0, v2.9.0
- Reuse v2.3.2 post-init sequence for v2.4.0
Renesas R-Car PCIe controller driver:
- Remove unused static pcie_base and pcie_dev
Rockchip PCIe controller driver:
- Remove writes to unused registers
- Write endpoint Device ID using correct register
- Assert PCI Configuration Enable bit after probe so endpoint responds
instead of generating Request Retry Status messages
- Poll waiting for PHY PLLs to lock
- Update RK3399 example DT binding to be valid
- Use RK3399 PCIE_CLIENT_LEGACY_INT_CTRL to generate INTx instead of
manually generating PCIe message
- Use multiple windows to avoid address translation conflicts
- Use u32 (not u16) when accessing 32-bit registers
- Hide MSI-X Capability, since RK3399 can't generate MSI-X
- Set endpoint controller required alignment to 256
Synopsys DesignWare PCIe controller driver:
- Wait for link to come up only if we've initiated link training
Miscellaneous:
- Add pci_clear_master() stub for non-CONFIG_PCI
----------------------------------------------------------------
Ajay Agarwal (6):
PCI/ASPM: Disable only ASPM_STATE_L1 when driver disables L1
PCI/ASPM: Set only ASPM_STATE_L1 when driver enables L1
PCI/ASPM: Set ASPM_STATE_L1 when driver enables L1.1 or L1.2
PCI/ASPM: Rename L1.2-specific functions from 'l1ss' to 'l12'
PCI/ASPM: Remove unnecessary ASPM_STATE_L1SS check
PCI: dwc: Wait for link up only if link is started
Andy Shevchenko (1):
PCI: of: Propagate firmware node by calling device_set_node()
Ben Dooks (1):
PCI: Add PCI_EXT_CAP_ID_PL_32GT define
Bjorn Helgaas (26):
PCI: pciehp: Simplify Attention Button logging
PCI: Expand comment about sorting pci_ids.h entries
PCI: Unexport pci_save_aer_state()
Documentation: PCI: Drop recommendation to configure AER Capability
Documentation: PCI: Update cross references to .rst files
Documentation: PCI: Tidy AER documentation
PCI/ASPM: Return 0 or -ETIMEDOUT from pcie_retrain_link()
PCI/ACPI: Validate acpi_pci_set_power_state() parameter
Merge branch 'pci/aer'
Merge branch 'pci/aspm'
Merge branch 'pci/enumeration'
Merge branch 'pci/hotplug'
Merge branch 'pci/pm'
Merge branch 'pci/resource'
Merge branch 'pci/virtualization'
Merge branch 'pci/misc'
Merge branch 'pci/controller/dt'
Merge branch 'pci/controller/cadence'
Merge branch 'pci/controller/dwc'
Merge branch 'pci/pci/ftpci100'
Merge branch 'pci/controller/qcom'
Merge branch 'pci/controller/rcar'
Merge branch 'pci/controller/rockchip'
Merge branch 'pci/controller/vmd'
Merge branch 'pci/controller/endpoint'
Merge branch 'pci/controller/remove-void-callbacks'
Damien Le Moal (19):
PCI: rockchip: Set address alignment for endpoint mode
PCI: endpoint: Automatically create a function specific attributes group
PCI: endpoint: Move pci_epf_type_add_cfs() code
PCI: epf-test: Fix DMA transfer completion initialization
PCI: epf-test: Fix DMA transfer completion detection
PCI: epf-test: Use dmaengine_submit() to initiate DMA transfer
PCI: epf-test: Simplify read/write/copy test functions
PCI: epf-test: Simplify pci_epf_test_raise_irq()
PCI: epf-test: Simplify IRQ test commands execution
PCI: epf-test: Improve handling of command and status registers
PCI: epf-test: Cleanup pci_epf_test_cmd_handler()
PCI: epf-test: Cleanup request result handling
PCI: epf-test: Simplify DMA support checks
PCI: epf-test: Simplify transfers result print
misc: pci_endpoint_test: Free IRQs before removing the device
misc: pci_endpoint_test: Re-init completion for every test
misc: pci_endpoint_test: Do not write status in IRQ handler
misc: pci_endpoint_test: Simplify pci_endpoint_test_msi_irq()
PCI: endpoint: Improve pci_epf_type_add_cfs()
Ding Hui (1):
PCI/ASPM: Disable ASPM on MFD function removal to avoid use-after-free
Frank Li (2):
PCI: endpoint: pci-epf-vntb: Fix typo in comments
PCI: layerscape: Add the endpoint linkup notifier support
Geert Uytterhoeven (1):
PCI: rcar-host: Remove unused static pcie_base and pcie_dev
Igor Mammedov (1):
PCI: acpiphp: Reassign resources on bridge if necessary
Ilpo Järvinen (2):
PCI/ASPM: Factor out pcie_wait_for_retrain()
PCI/ASPM: Avoid link retraining race
Junyan Ye (1):
PCI: ftpci100: Release the clock resources
Maciej W. Rozycki (14):
PCI: Initialize dev->link_active_reporting earlier
PCI: pciehp: Rely on dev->link_active_reporting
powerpc/eeh: Rely on dev->link_active_reporting
net/mlx5: Rely on dev->link_active_reporting
PCI/ASPM: Use distinct local vars in pcie_retrain_link()
PCI/ASPM: Avoid unnecessary pcie_link_state use
PCI/ASPM: Factor out waiting for link training to complete
PCI: Execute quirk_enable_clear_retrain_link() earlier
PCI: Export PCIe link retrain timeout
PCI: Export pcie_retrain_link() for use outside ASPM
PCI: Add support for polling DLLLA to pcie_retrain_link()
PCI: Use pcie_wait_for_link_status() in pcie_wait_for_link_delay()
PCI: Work around PCIe link training failures
PCI: Add failed link recovery for device reset events
Manivannan Sadhasivam (18):
PCI: qcom: Disable write access to read only registers for IP v2.3.3
PCI: qcom: Use DWC helpers for modifying the read-only DBI registers
PCI: qcom: Disable write access to read only registers for IP v2.9.0
PCI: qcom: Do not advertise hotplug capability for IPs v2.7.0 and v1.9.0
PCI: qcom: Do not advertise hotplug capability for IPs v2.3.3 and v2.9.0
PCI: qcom: Do not advertise hotplug capability for IP v2.3.2
PCI: qcom: Use post init sequence of IP v2.3.2 for v2.4.0
PCI: qcom: Do not advertise hotplug capability for IP v1.0.0
PCI: qcom: Do not advertise hotplug capability for IP v2.1.0
PCI: endpoint: Add missing documentation about the MSI/MSI-X range
PCI: endpoint: Pass EPF device ID to the probe function
PCI: endpoint: Return error if EPC is started/stopped multiple times
PCI: endpoint: Add linkdown notifier support
PCI: endpoint: Add BME notifier support
PCI: qcom-ep: Add support for Link down notification
PCI: qcom-ep: Add support for BME notification
PCI: endpoint: Add PCI Endpoint function driver for MHI bus
MAINTAINERS: Add PCI MHI endpoint function driver under MHI bus
Mario Limonciello (1):
PCI/ACPI: Call _REG when transitioning D-states
Mika Westerberg (1):
PCI/PM: Shorten pci_bridge_wait_for_secondary_bus() wait time for slow links
Mike Pastore (1):
PCI: Delay after FLR of Solidigm P44 Pro NVMe
Nirmal Patel (1):
PCI: vmd: Reset VMD config register between soft reboots
Ondrej Zary (1):
PCI/PM: Avoid putting EloPOS E2/S2/H2 PCIe Ports in D3cold
Randy Dunlap (1):
Documentation: PCI: correct spelling
Richard Zhu (1):
PCI: imx6: Save and restore root port MSI control in suspend and resume
Rick Wertenbroek (9):
PCI: rockchip: Remove writes to unused registers
PCI: rockchip: Write PCI Device ID to correct register
PCI: rockchip: Assert PCI Configuration Enable bit after probe
PCI: rockchip: Add poll and timeout to wait for PHY PLLs to be locked
dt-bindings: PCI: Update the RK3399 example to a valid one
PCI: rockchip: Fix legacy IRQ generation for RK3399 PCIe endpoint core
PCI: rockchip: Fix window mapping and address translation for endpoint
PCI: rockchip: Use u32 variable to access 32-bit registers
PCI: rockchip: Don't advertise MSI-X in PCIe capabilities
Robin Murphy (1):
PCI: Add function 1 DMA alias quirk for Marvell 88SE9235
Rohit Agarwal (1):
dt-bindings: PCI: qcom: Add SDX65 SoC
Rongguang Wei (1):
PCI: pciehp: Cancel bringup sequence if card is not present
Ross Lagerwall (1):
PCI: Release resource invalidated by coalescing
Shunsuke Mie (1):
PCI: endpoint: Fix a Kconfig prompt of vNTB driver
Siddharth Vadapalli (1):
PCI: cadence: Fix Gen2 Link Retraining process
Sui Jingfeng (1):
PCI: Add pci_clear_master() stub for non-CONFIG_PCI
Uwe Kleine-König (15):
PCI: aardvark: Convert to platform remove callback returning void
PCI: altera: Convert to platform remove callback returning void
PCI: altera-msi: Convert to platform remove callback returning void
PCI: brcmstb: Convert to platform remove callback returning void
PCI: j721e: Convert to platform remove callback returning void
PCI: dwc: Convert to platform remove callback returning void
PCI: hisi-error: Convert to platform remove callback returning void
PCI: iproc: Convert to platform remove callback returning void
PCI: mediatek: Convert to platform remove callback returning void
PCI: mediatek-gen3: Convert to platform remove callback returning void
PCI: mt7621: Convert to platform remove callback returning void
PCI: mvebu: Convert to platform remove callback returning void
PCI: rockchip-host: Convert to platform remove callback returning void
PCI: tegra: Convert to platform remove callback returning void
PCI: xgene-msi: Convert to platform remove callback returning void
Wolfram Sang (1):
PCI: rcar: Use correct product family name for Renesas R-Car
Xinghui Li (1):
PCI: vmd: Fix uninitialized variable usage in vmd_enable_domain()
Yoshihiro Shimoda (1):
PCI: endpoint: functions/pci-epf-test: Fix dma_chan direction
Documentation/PCI/endpoint/pci-ntb-howto.rst | 11 +-
Documentation/PCI/endpoint/pci-vntb-howto.rst | 13 +-
Documentation/PCI/msi-howto.rst | 2 +-
Documentation/PCI/pci-error-recovery.rst | 2 +-
Documentation/PCI/pcieaer-howto.rst | 183 +++-----
.../devicetree/bindings/pci/qcom,pcie-ep.yaml | 2 +
.../bindings/pci/rockchip,rk3399-pcie-ep.yaml | 4 +-
MAINTAINERS | 1 +
arch/powerpc/kernel/eeh_pe.c | 5 +-
drivers/misc/pci_endpoint_test.c | 25 +-
drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c | 8 +-
drivers/pci/controller/cadence/pci-j721e.c | 6 +-
drivers/pci/controller/cadence/pcie-cadence-host.c | 27 ++
drivers/pci/controller/dwc/pci-imx6.c | 23 ++
drivers/pci/controller/dwc/pci-layerscape-ep.c | 100 ++++-
drivers/pci/controller/dwc/pcie-bt1.c | 6 +-
drivers/pci/controller/dwc/pcie-designware-host.c | 13 +-
drivers/pci/controller/dwc/pcie-designware.c | 20 +-
drivers/pci/controller/dwc/pcie-designware.h | 1 +
drivers/pci/controller/dwc/pcie-histb.c | 6 +-
drivers/pci/controller/dwc/pcie-intel-gw.c | 6 +-
drivers/pci/controller/dwc/pcie-qcom-ep.c | 10 +-
drivers/pci/controller/dwc/pcie-qcom.c | 73 ++--
drivers/pci/controller/dwc/pcie-tegra194.c | 8 +-
drivers/pci/controller/pci-aardvark.c | 6 +-
drivers/pci/controller/pci-ftpci100.c | 14 +-
drivers/pci/controller/pci-mvebu.c | 6 +-
drivers/pci/controller/pci-tegra.c | 6 +-
drivers/pci/controller/pci-xgene-msi.c | 6 +-
drivers/pci/controller/pcie-altera-msi.c | 5 +-
drivers/pci/controller/pcie-altera.c | 6 +-
drivers/pci/controller/pcie-brcmstb.c | 6 +-
drivers/pci/controller/pcie-hisi-error.c | 6 +-
drivers/pci/controller/pcie-iproc-platform.c | 6 +-
drivers/pci/controller/pcie-iproc.c | 4 +-
drivers/pci/controller/pcie-iproc.h | 2 +-
drivers/pci/controller/pcie-mediatek-gen3.c | 6 +-
drivers/pci/controller/pcie-mediatek.c | 6 +-
drivers/pci/controller/pcie-mt7621.c | 6 +-
drivers/pci/controller/pcie-rcar-host.c | 25 +-
drivers/pci/controller/pcie-rockchip-ep.c | 221 +++++-----
drivers/pci/controller/pcie-rockchip-host.c | 6 +-
drivers/pci/controller/pcie-rockchip.c | 17 +
drivers/pci/controller/pcie-rockchip.h | 49 ++-
drivers/pci/controller/vmd.c | 11 +-
drivers/pci/endpoint/functions/Kconfig | 12 +-
drivers/pci/endpoint/functions/Makefile | 1 +
drivers/pci/endpoint/functions/pci-epf-mhi.c | 458 +++++++++++++++++++++
drivers/pci/endpoint/functions/pci-epf-ntb.c | 4 +-
drivers/pci/endpoint/functions/pci-epf-test.c | 271 ++++++------
drivers/pci/endpoint/functions/pci-epf-vntb.c | 14 +-
drivers/pci/endpoint/pci-ep-cfs.c | 81 +++-
drivers/pci/endpoint/pci-epc-core.c | 56 ++-
drivers/pci/endpoint/pci-epf-core.c | 42 +-
drivers/pci/hotplug/acpiphp_glue.c | 5 +-
drivers/pci/hotplug/pciehp_ctrl.c | 21 +-
drivers/pci/hotplug/pciehp_hpc.c | 12 +-
drivers/pci/of.c | 14 +-
drivers/pci/pci-acpi.c | 53 ++-
drivers/pci/pci.c | 194 +++++++--
drivers/pci/pci.h | 19 +-
drivers/pci/pcie/aspm.c | 101 ++---
drivers/pci/probe.c | 12 +-
drivers/pci/quirks.c | 111 ++++-
include/linux/aer.h | 4 -
include/linux/pci-epc.h | 2 +
include/linux/pci-epf.h | 11 +-
include/linux/pci.h | 1 +
include/linux/pci_ids.h | 4 +-
include/uapi/linux/pci_regs.h | 1 +
70 files changed, 1631 insertions(+), 848 deletions(-)
create mode 100644 drivers/pci/endpoint/functions/pci-epf-mhi.c
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