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Re: [UPDATE PATCH V10 2/8] ACPI: Add new IORT functions to support MSI domain handling

From Tomasz Nowicki <tn@semihalf.com>
Newsgroups linux.kernel
Subject Re: [UPDATE PATCH V10 2/8] ACPI: Add new IORT functions to support MSI domain handling
Date 2016-09-07 15:10 +0200
Message-ID <seKM1-9T-11@gated-at.bofh.it> (permalink)
References <sekye-8q9-43@gated-at.bofh.it> <seJGh-7FE-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 07.09.2016 13:58, Tomasz Nowicki wrote:
> For ITS, MSI functionality consists on building domain stack and
> during that process we need to reference to domain stack components
> e.g. before we create new DOMAIN_BUS_PCI_MSI domain we need to specify
> its DOMAIN_BUS_NEXUS parent domain. In order to manage that process
> properly, maintain list which elements contain domain token
> (unique for MSI domain stack) and ITS ID: iort_register_domain_token()
> and iort_deregister_domain_token(). Then retrieve domain token
> any time later with ITS ID being key off: iort_find_domain_token().
> With domain token and domain type we are able to find corresponding
> IRQ domain.
>
> Since IORT is prepared to describe MSI domain on a per-device basis,
> use existing IORT helpers and implement two calls:
> 1. iort_msi_map_rid() to map MSI RID for a device
> 2. iort_get_device_domain() to find domain token for a device
>
> Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
>
> Conflicts:
> 	drivers/acpi/arm64/iort.c

Rebase leftover ^^^,  sorry.

Tomasz

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Thread

[PATCH V10 0/8] Introduce ACPI world to ITS irqchip Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:10 +0200
  [PATCH V10 6/8] irqchip/gicv3-its: Probe ITS in the ACPI way Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:10 +0200
  [PATCH V10 1/8] ACPI: I/O Remapping Table (IORT) initial support Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:10 +0200
    [UPDATE PATCH V10 1/8] ACPI: I/O Remapping Table (IORT) initial support Tomasz Nowicki <tn@semihalf.com> - 2016-09-07 14:00 +0200
      Re: [UPDATE PATCH V10 1/8] ACPI: I/O Remapping Table (IORT) initial  support Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2016-09-08 16:00 +0200
      Re: [UPDATE PATCH V10 1/8] ACPI: I/O Remapping Table (IORT) initial  support Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2016-09-09 11:30 +0200
    Re: [PATCH V10 1/8] ACPI: I/O Remapping Table (IORT) initial support Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2016-09-09 10:50 +0200
  [PATCH V10 2/8] ACPI: Add new IORT functions to support MSI domain handling Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:10 +0200
    Re: [PATCH V10 2/8] ACPI: Add new IORT functions to support MSI  domain handling Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 12:30 +0200
      Re: [PATCH V10 2/8] ACPI: Add new IORT functions to support MSI  domain handling Tomasz Nowicki <tn@semihalf.com> - 2016-09-07 12:40 +0200
        Re: [PATCH V10 2/8] ACPI: Add new IORT functions to support MSI  domain handling "Rafael J. Wysocki" <rafael@kernel.org> - 2016-09-07 13:40 +0200
    Re: [PATCH V10 2/8] ACPI: Add new IORT functions to support MSI  domain handling Thomas Gleixner <tglx@linutronix.de> - 2016-09-06 12:30 +0200
    [UPDATE PATCH V10 2/8] ACPI: Add new IORT functions to support MSI domain handling Tomasz Nowicki <tn@semihalf.com> - 2016-09-07 14:00 +0200
      Re: [UPDATE PATCH V10 2/8] ACPI: Add new IORT functions to support  MSI domain handling Tomasz Nowicki <tn@semihalf.com> - 2016-09-07 15:10 +0200
  [PATCH V10 7/8] irqchip/gicv3-its: Factor out PCI-MSI part that might be reused for ACPI Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:10 +0200
    Re: [PATCH V10 7/8] irqchip/gicv3-its: Factor out PCI-MSI part that  might be reused for ACPI Thomas Gleixner <tglx@linutronix.de> - 2016-09-06 12:00 +0200
      Re: [PATCH V10 7/8] irqchip/gicv3-its: Factor out PCI-MSI part that  might be reused for ACPI Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 12:30 +0200
        Re: [PATCH V10 7/8] irqchip/gicv3-its: Factor out PCI-MSI part that  might be reused for ACPI "Rafael J. Wysocki" <rafael@kernel.org> - 2016-09-06 13:30 +0200
          Re: [PATCH V10 7/8] irqchip/gicv3-its: Factor out PCI-MSI part that  might be reused for ACPI Tomasz Nowicki <tn@semihalf.com> - 2016-09-07 09:50 +0200
  [PATCH V10 4/8] irqchip/gicv3-its: Cleanup for ITS domain initialization Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:20 +0200
  [PATCH V10 8/8] irqchip/gicv3-its: Use MADT ITS subtable to do PCI/MSI domain initialization Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:20 +0200
  [PATCH V10 3/8] PCI/MSI: Setup MSI domain on a per-device basis using IORT ACPI table Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:20 +0200
  [PATCH V10 5/8] irqchip/gicv3-its: Refactor ITS DT init code to prepare for ACPI Tomasz Nowicki <tn@semihalf.com> - 2016-09-06 11:20 +0200

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