linux-kernel - Re: [PATCH V2 07/10] ARM64, ACPI, PCI: I/O Remapping Table (IORT) initial support.

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Message-ID: <5672B773.7060409@semihalf.com>
Date:	Thu, 17 Dec 2015 14:24:03 +0100
From:	Tomasz Nowicki <tn@...ihalf.com>
To:	marc.zyngier@....com, tglx@...utronix.de, jason@...edaemon.net,
	rjw@...ysocki.net, lorenzo.pieralisi@....com,
	robert.richter@...iumnetworks.com, shijie.huang@....com,
	guohanjun@...wei.com, Suravee.Suthikulpanit@....com
Cc:	mw@...ihalf.com, graeme.gregory@...aro.org,
	Catalin.Marinas@....com, will.deacon@....com,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	hanjun.guo@...aro.org, linux-arm-kernel@...ts.infradead.org,
	ddaney.cavm@...il.com
Subject: Re: [PATCH V2 07/10] ARM64, ACPI, PCI: I/O Remapping Table (IORT)
 initial support.

On 17.12.2015 12:52, Tomasz Nowicki wrote:
> IORT shows representation of IO topology for ARM based systems.
> It describes how various components are connected together on
> parent-child basis e.g. PCI RC -> SMMU -> ITS.
>
> Initial support allows to:
> - register ITS MSI chip along with ITS translation ID and domain token
> - find registered domain token based on ITS translation ID
> - find registered domain token corresponding to given PCI device
> - find PCI device DeviceID based on its RequesterID
>
> Additional features like:
> - devices to SMMU binding
> - finding platform device DeviceID based on its RequesterID
> will be added in next series.
>
> Signed-off-by: Tomasz Nowicki <tn@...ihalf.com>
>
> Conflicts:
> 	drivers/acpi/Kconfig

Sorry for ^^^^ git rebase leftover.

> ---
>   drivers/acpi/Kconfig    |   3 +
>   drivers/acpi/Makefile   |   1 +
>   drivers/acpi/iort.c     | 326 ++++++++++++++++++++++++++++++++++++++++++++++++
>   drivers/irqchip/Kconfig |   1 +
>   include/linux/iort.h    |  38 ++++++
>   5 files changed, 369 insertions(+)
>   create mode 100644 drivers/acpi/iort.c
>   create mode 100644 include/linux/iort.h
>

[...]

> diff --git a/include/linux/iort.h b/include/linux/iort.h
> new file mode 100644
> index 0000000..783e8d6
> --- /dev/null
> +++ b/include/linux/iort.h
> @@ -0,0 +1,38 @@
> +/*
> + * Copyright (C) 2015, Linaro Ltd.
> + *	Author: Tomasz Nowicki <tomasz.nowicki@...aro.org>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License along with
> + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
> + * Place - Suite 330, Boston, MA 02111-1307 USA.
> + */
> +
> +#ifndef __IORT_H__
> +#define __IORT_H__
> +
> +#include <linux/acpi.h>
> +
> +#ifdef CONFIG_ACPI
> +

As per kbuild test report, this has to be:
#ifdef CONFIG_IORT_TABLE

Will be fixed in the next version.

Regards,
Tomasz
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