From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1424147AbcFMOlq (ORCPT ); Mon, 13 Jun 2016 10:41:46 -0400 Received: from mail-lf0-f46.google.com ([209.85.215.46]:33237 "EHLO mail-lf0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933313AbcFMOlo (ORCPT ); Mon, 13 Jun 2016 10:41:44 -0400 From: Tomasz Nowicki To: marc.zyngier@arm.com, tglx@linutronix.de, jason@lakedaemon.net, rjw@rjwysocki.net, bhelgaas@google.com, lorenzo.pieralisi@arm.com, robert.richter@caviumnetworks.com, shijie.huang@arm.com, Suravee.Suthikulpanit@amd.com, hanjun.guo@linaro.org Cc: al.stone@linaro.org, mw@semihalf.com, graeme.gregory@linaro.org, Catalin.Marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, ddaney.cavm@gmail.com, okaya@codeaurora.org, andrea.gallo@linaro.org, linux-pci@vger.kernel.org, Tomasz Nowicki Subject: [PATCH V6 0/7] Introduce ACPI world to ITS irqchip Date: Mon, 13 Jun 2016 16:41:06 +0200 Message-Id: <1465828873-23498-1-git-send-email-tn@semihalf.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- 1.9.1