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Groups > linux.kernel > #1422809
| From | Marc Zyngier <marc.zyngier@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V6 0/7] Introduce ACPI world to ITS irqchip |
| Date | 2016-06-15 11:20 +0200 |
| Message-ID | <rKf9n-F4-5@gated-at.bofh.it> (permalink) |
| References | <rJBlD-7AX-7@gated-at.bofh.it> |
| Organization | ARM Ltd |
On Mon, 13 Jun 2016 16:41:06 +0200 Tomasz Nowicki <tn@semihalf.com> wrote: > The series builds the PCI/MSI domain stack based on initial IORT driver > which is added in first place. As a reference please see IORT spec: > http://infocenter.arm.com/help/topic/com.arm.doc.den0049b/DEN0049B_IO_Remapping_Table.pdf > > Patches were built on top of accepted ARM64 ACPI PCI support and can be found > all together here: > https://github.com/semihalf-nowicki-tomasz/linux.git (its-acpi-v6) > > Tested on Cavium ThunderX server. > > v5 -> v6 > - added locking mechanism for IORT list with domain token > - IORT function name improvements > - extended IORT RID mapping helper > - reworked IORT to be more SMMU friendly > - IORT functions which map RID and find corresponding domain are not > PCI specific any more (struct pci_dev -> struct device) > - bug fixes > > v4 -> v5 > - rebased against v4.7-rc1 > - drop generic layer and call IORT functions directly > - improve resource abstraction and string formatting > > v3 -> v4 > - rebased against v4.5 > - add ACPI support for IRQ domain handling on a per-device basis > - reorder domain setup step > - improve error handling > - code style improvements > > v2 -> v3 > - rebased on top of 4.4 > - fixes and improvements for redistributor init via GICC structures > - fixes as per kbuild reports > > v1 -> v2 > - rebased on top of 4.4-rc4 > - use pci_msi_domain_get_msi_rid for requester ID to device ID translation > > Tomasz Nowicki (7): > ACPI: I/O Remapping Table (IORT) initial support > PCI/MSI: Setup MSI domain on a per-devices basis using IORT ACPI table > irqchip/gicv3-its: Cleanup for ITS domain initialization > irqchip/gicv3-its: Refator ITS DT init code to prepare for ACPI > irqchip/gicv3-its: Probe ITS in the ACPI way > irqchip/gicv3-its: Factor out code that might be reused for ACPI > irqchip/gicv3-its: Use MADT ITS subtable to do PCI/MSI domain > initialization > > drivers/acpi/Kconfig | 3 + > drivers/acpi/Makefile | 1 + > drivers/acpi/iort.c | 386 +++++++++++++++++++++++++++++++ > drivers/irqchip/Kconfig | 1 + > drivers/irqchip/irq-gic-v3-its-pci-msi.c | 88 +++++-- > drivers/irqchip/irq-gic-v3-its.c | 185 ++++++++++----- > drivers/irqchip/irq-gic-v3.c | 7 +- > drivers/pci/msi.c | 11 +- > include/linux/iort.h | 38 +++ > include/linux/irqchip/arm-gic-v3.h | 4 +- > 10 files changed, 646 insertions(+), 78 deletions(-) > create mode 100644 drivers/acpi/iort.c > create mode 100644 include/linux/iort.h > Once you've addressed the couple of remarks I had, and unless someone has further objections, this should be in a sane state. Of course, the following question would be "who merges this thing". I'm happy to take it (mostly because it makes my life easier on the ITS side), but it needs to be Acked by the usual suspects (Rafael, Bjorn, Lorenzo). Thanks, M. -- Jazz is not dead. It just smells funny.
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[PATCH V6 0/7] Introduce ACPI world to ITS irqchip Tomasz Nowicki <tn@semihalf.com> - 2016-06-13 16:50 +0200
[PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Tomasz Nowicki <tn@semihalf.com> - 2016-06-13 16:50 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Marc Zyngier <marc.zyngier@arm.com> - 2016-06-15 10:40 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Tomasz Nowicki <tn@semihalf.com> - 2016-06-17 16:10 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2016-06-15 13:10 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Tomasz Nowicki <tn@semihalf.com> - 2016-06-15 15:30 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Tomasz Nowicki <tn@semihalf.com> - 2016-06-20 11:40 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Sinan Kaya <okaya@codeaurora.org> - 2016-06-15 15:30 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2016-06-15 15:40 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Sinan Kaya <okaya@codeaurora.org> - 2016-06-15 15:50 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2016-06-15 16:20 +0200
Re: [PATCH V6 1/7] ACPI: I/O Remapping Table (IORT) initial support Sinan Kaya <okaya@codeaurora.org> - 2016-06-15 16:50 +0200
[PATCH V6 2/7] PCI/MSI: Setup MSI domain on a per-devices basis using IORT ACPI table Tomasz Nowicki <tn@semihalf.com> - 2016-06-13 16:50 +0200
Re: [PATCH V6 2/7] PCI/MSI: Setup MSI domain on a per-devices basis using IORT ACPI table Marc Zyngier <marc.zyngier@arm.com> - 2016-06-15 10:40 +0200
[PATCH V6 5/7] irqchip/gicv3-its: Probe ITS in the ACPI way Tomasz Nowicki <tn@semihalf.com> - 2016-06-13 16:50 +0200
Re: [PATCH V6 5/7] irqchip/gicv3-its: Probe ITS in the ACPI way Marc Zyngier <marc.zyngier@arm.com> - 2016-06-15 11:00 +0200
[PATCH V6 4/7] irqchip/gicv3-its: Refator ITS DT init code to prepare for ACPI Tomasz Nowicki <tn@semihalf.com> - 2016-06-13 16:50 +0200
Re: [PATCH V6 4/7] irqchip/gicv3-its: Refator ITS DT init code to prepare for ACPI Marc Zyngier <marc.zyngier@arm.com> - 2016-06-15 11:00 +0200
Re: [PATCH V6 0/7] Introduce ACPI world to ITS irqchip Marc Zyngier <marc.zyngier@arm.com> - 2016-06-15 11:20 +0200
Re: [PATCH V6 0/7] Introduce ACPI world to ITS irqchip Tomasz Nowicki <tn@semihalf.com> - 2016-06-15 11:40 +0200
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