Hi Tomasz > -----Original Message----- > From: linux-kernel-owner@xxxxxxxxxxxxxxx [mailto:linux-kernel- > owner@xxxxxxxxxxxxxxx] On Behalf Of Tomasz Nowicki > Sent: 10 May 2016 16:20 > To: helgaas@xxxxxxxxxx; arnd@xxxxxxxx; will.deacon@xxxxxxx; > catalin.marinas@xxxxxxx; rafael@xxxxxxxxxx; hanjun.guo@xxxxxxxxxx; > Lorenzo.Pieralisi@xxxxxxx; okaya@xxxxxxxxxxxxxx; jchandra@xxxxxxxxxxxx > Cc: robert.richter@xxxxxxxxxxxxxxxxxx; mw@xxxxxxxxxxxx; > Liviu.Dudau@xxxxxxx; ddaney@xxxxxxxxxxxxxxxxxx; Wangyijing; > Suravee.Suthikulpanit@xxxxxxx; msalter@xxxxxxxxxx; linux- > pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux- > acpi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linaro- > acpi@xxxxxxxxxxxxxxxx; jcm@xxxxxxxxxx; andrea.gallo@xxxxxxxxxx; > dhdang@xxxxxxx; jeremy.linton@xxxxxxx; liudongdong (C); > cov@xxxxxxxxxxxxxx; Tomasz Nowicki > Subject: [PATCH V7 00/11] Support for generic ACPI based PCI host > controller > > From the functionality point of view this series may be split into the > following logic parts: > 1. New ECAM API and update for users of the pci-host-common API > 2. Necessary fixes as the preparation for using driver on ARM64. > 3. Use new MCFG interface and implement generic ACPI based PCI host > controller driver. > 4. Enable above driver on ARM64 > > Patches has been built on top of 4.6-rc7 and can be found here: > git@xxxxxxxxxx:semihalf-nowicki-tomasz/linux.git (pci-acpi-v7) > > This has been tested on Cavium ThunderX server. Any help in reviewing > and > testing is very appreciated. > > v6 -> v7 > - drop quirks handling Maybe I missed something in the v6 discussion thread; when was it decided to drop quirk handling? I think it is important to have this in place to accommodate different vendors. If the intention is to keep this patchset "clean" maybe we can add it as a separate patch on top later on... What’s your view? Thanks Gab > - changes for ACPI companion and domain number assignment approach > - implement arch pcibios_{add|remove}_bus and call > acpi_pci_{add|remove}_bus from there > - cleanups around nomenclature > - use resources oriented API for ECAM > - fix for based address calculation before mapping ECAM region > - remove useless lock for MCFG lookup > - move MCFG stuff to separated file pci_mcfg.c > - drop MCFG entries caching > - rebase against 4.6-rc7 > > v5 -> v6 > - drop idea of x86 MMCONFIG code refactoring > - integrate JC's patches which introduce new ECAM API: > https://lkml.org/lkml/2016/4/11/907 > git: https://github.com/jchandra-brcm/linux/ (arm64-acpi-pci-v3) > - integrate Sinan's fix for releasing IO resources, see patch [06/13] > - added ACPI support for ThunderX ECAM and PEM drivers > - rebase against 4.6-rc2 > > v4 -> v5 > - drop MCFG refactoring group patches 1-6 from series v4 and integrate > Jayachandran's patch > https://patchwork.ozlabs.org/patch/575525/ > - rewrite PCI legacy IRQs allocation > - squash two patches 11 and 12 from series v4, fixed bisection issue > - changelog improvements > - rebase against 4.5-rc3 > > v3 -> v4 > - drop Jiang's fix > http://lkml.iu.edu/hypermail/linux/kernel/1601.1/04318.html > - add Lorenzo's fix patch 19/24 > - ACPI PCI bus domain number assigning cleanup > - change resource management, we now claim and reassign resources > - improvements for applying quirks > - drop Matthew's http://www.spinics.net/lists/linux-pci/msg45950.html > dependency > - rebase against 4.5-rc1 > > v2 -> v3 > - fix legacy IRQ assigning and IO ports registration > - remove reference to arch specific companion device for ia64 > - move ACPI PCI host controller driver to pci_root.c > - drop generic domain assignment for x86 and ia64 as I am not > able to run all necessary test variants > - drop patch which cleaned legacy IRQ assignment since it belongs to > Mathew's series: > https://patchwork.ozlabs.org/patch/557504/ > - extend MCFG quirk code > - rebase against 4.4 > > v1 -> v2 > - move non-arch specific piece of code to dirver/acpi/ directory > - fix IO resource handling > - introduce PCI config accessors quirks matching > - moved ACPI_COMPANION_SET to generic code > > v1 - https://lkml.org/lkml/2015/10/27/504 > v2 - https://lkml.org/lkml/2015/12/16/246 > v3 - http://lkml.iu.edu/hypermail/linux/kernel/1601.1/04308.html > v4 - https://lkml.org/lkml/2016/2/4/646 > v5 - https://lkml.org/lkml/2016/2/16/426 > v6 - https://lkml.org/lkml/2016/4/15/594 > > Jayachandran C (2): > PCI: Provide common functions for ECAM mapping > PCI: generic, thunder: update to use generic ECAM API > > Tomasz Nowicki (9): > pci, of: Move the PCI I/O space management to PCI core code. > pci: Add new function to unmap IO resources. > acpi, pci: Support IO resources when parsing PCI host bridge > resources. > pci, acpi: Provide a way to assign bus domain number. > pci, acpi: Handle ACPI companion assignment. > pci, acpi: Support for ACPI based generic PCI host controller > arm64, pci, acpi: ACPI support for legacy IRQs parsing and > consolidation with DT code. > arm64, pci, acpi: Provide ACPI-specific prerequisites for PCI bus > enumeration. > arm64, pci, acpi: Start using ACPI based PCI host controller driver > for ARM64. > > arch/arm64/Kconfig | 1 + > arch/arm64/kernel/pci.c | 34 +++----- > drivers/acpi/Kconfig | 8 ++ > drivers/acpi/Makefile | 1 + > drivers/acpi/pci_mcfg.c | 97 ++++++++++++++++++++++ > drivers/acpi/pci_root.c | 33 ++++++++ > drivers/acpi/pci_root_generic.c | 149 > +++++++++++++++++++++++++++++++++ > drivers/of/address.c | 116 +------------------------- > drivers/pci/Kconfig | 3 + > drivers/pci/Makefile | 2 + > drivers/pci/ecam.c | 161 > ++++++++++++++++++++++++++++++++++++ > drivers/pci/ecam.h | 72 ++++++++++++++++ > drivers/pci/host/Kconfig | 1 + > drivers/pci/host/pci-host-common.c | 114 +++++++++++-------------- > drivers/pci/host/pci-host-common.h | 47 ----------- > drivers/pci/host/pci-host-generic.c | 52 +++--------- > drivers/pci/host/pci-thunder-ecam.c | 39 ++------- > drivers/pci/host/pci-thunder-pem.c | 92 ++++++++++----------- > drivers/pci/pci.c | 150 > ++++++++++++++++++++++++++++++++- > drivers/pci/probe.c | 2 + > include/linux/of_address.h | 9 -- > include/linux/pci-acpi.h | 14 ++++ > include/linux/pci.h | 11 ++- > 23 files changed, 823 insertions(+), 385 deletions(-) > create mode 100644 drivers/acpi/pci_mcfg.c > create mode 100644 drivers/acpi/pci_root_generic.c > create mode 100644 drivers/pci/ecam.c > create mode 100644 drivers/pci/ecam.h > delete mode 100644 drivers/pci/host/pci-host-common.h > > -- > 1.9.1 ?韬{.n?????%??檩??w?{.n???{炳???骅w* jg????????G??⒏ ⒎?:+v???????? ????＂??????
