Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1478274
| 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 |
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
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll 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
csiph-web