From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C22552C684 for ; Mon, 5 Aug 2024 16:56:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722876983; cv=none; b=AksNcU8fJNizKvFf/c8axzM2q8GWtLgKYWuE16wk6IXUKPUw4Cga8sMJBXk3CVM0kYjFQIdAjP8jxPRwnFHC4TuCuPHD5yGNU4DEg1d7YRcVlLNWNfBhO6Fsy87YSf6ZLGGVOsKY270xL/SvC5YRsS4Fpw+NDaPwpfbQmefBNCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722876983; c=relaxed/simple; bh=QlQ43cztZZoXQl9umIBhJNhLEu87pSmicGcAv1TCkdk=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BBjgbYqauHhQ5GBpdnoFU7oR4x3JKtQZH1lrZIMLwigpKaLdbEEzvIsaxKOZkXLbw2xDMWfe+X2jHsSwI6BU4z6zQCpqqvMOdWwQ6Wi8tFI7Xo3UMyGPN5A6fWvdYqc24hVGDL3uGzlYBkPbKvV+ESwmYiZJFrUH1w75aJP4EvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=Huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=Huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Wd2ZT09H4z6K9j5; Tue, 6 Aug 2024 00:53:37 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 174F31400F4; Tue, 6 Aug 2024 00:56:19 +0800 (CST) Received: from localhost (10.203.177.66) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 5 Aug 2024 17:56:18 +0100 Date: Mon, 5 Aug 2024 17:56:17 +0100 From: Jonathan Cameron To: Mauro Carvalho Chehab CC: Shiju Jose , "Michael S. Tsirkin" , Ani Sinha , Dongjiu Geng , Igor Mammedov , , , Subject: Re: [PATCH v5 4/7] acpi/ghes: Support GPIO error source Message-ID: <20240805175617.000036ce@Huawei.com> In-Reply-To: <5d53042ebc5bc73bbc71f600e1ec1dea41f346b9.1722634602.git.mchehab+huawei@kernel.org> References: <5d53042ebc5bc73bbc71f600e1ec1dea41f346b9.1722634602.git.mchehab+huawei@kernel.org> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml100002.china.huawei.com (7.191.160.241) To lhrpeml500005.china.huawei.com (7.191.163.240) On Fri, 2 Aug 2024 23:43:59 +0200 Mauro Carvalho Chehab wrote: > From: Jonathan Cameron > > Add error notification to GHES v2 using the GPIO source. The gpio / external interrupt follows through. > > [mchehab: do some cleanups at ACPI_HEST_SRC_ID_* checks] > > Signed-off-by: Jonathan Cameron > Signed-off-by: Mauro Carvalho Chehab > --- > hw/acpi/ghes.c | 16 ++++++++++------ > include/hw/acpi/ghes.h | 3 ++- > 2 files changed, 12 insertions(+), 7 deletions(-) > > diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c > index 8d0262e6c1aa..a745dcc7be5e 100644 > --- a/hw/acpi/ghes.c > +++ b/hw/acpi/ghes.c > @@ -34,8 +34,8 @@ > /* The max size in bytes for one error block */ > #define ACPI_GHES_MAX_RAW_DATA_LENGTH (1 * KiB) > > -/* Now only support ARMv8 SEA notification type error source */ > -#define ACPI_GHES_ERROR_SOURCE_COUNT 1 > +/* Support ARMv8 SEA notification type error source and GPIO interrupt. */ > +#define ACPI_GHES_ERROR_SOURCE_COUNT 2 > > /* Generic Hardware Error Source version 2 */ > #define ACPI_GHES_SOURCE_GENERIC_ERROR_V2 10 > @@ -290,6 +290,9 @@ void build_ghes_error_table(GArray *hardware_errors, BIOSLinker *linker) > static void build_ghes_v2(GArray *table_data, int source_id, BIOSLinker *linker) > { > uint64_t address_offset; > + > + assert(source_id < ACPI_HEST_SRC_ID_RESERVED); > + > /* > * Type: > * Generic Hardware Error Source version 2(GHESv2 - Type 10) > @@ -327,6 +330,9 @@ static void build_ghes_v2(GArray *table_data, int source_id, BIOSLinker *linker) > */ > build_ghes_hw_error_notification(table_data, ACPI_GHES_NOTIFY_SEA); > break; > + case ACPI_HEST_SRC_ID_GPIO: > + build_ghes_hw_error_notification(table_data, ACPI_GHES_NOTIFY_GPIO); > + break; > default: > error_report("Not support this error source"); > abort(); > @@ -370,6 +376,7 @@ void acpi_build_hest(GArray *table_data, BIOSLinker *linker, > /* Error Source Count */ > build_append_int_noprefix(table_data, ACPI_GHES_ERROR_SOURCE_COUNT, 4); > build_ghes_v2(table_data, ACPI_HEST_SRC_ID_SEA, linker); > + build_ghes_v2(table_data, ACPI_HEST_SRC_ID_GPIO, linker); > > acpi_table_end(linker, &table); > } > @@ -406,10 +413,7 @@ int acpi_ghes_record_errors(uint8_t source_id, uint64_t physical_address) > start_addr = le64_to_cpu(ags->ghes_addr_le); > > if (physical_address) { > - > - if (source_id < ACPI_HEST_SRC_ID_RESERVED) { > - start_addr += source_id * sizeof(uint64_t); > - } > + start_addr += source_id * sizeof(uint64_t); > > cpu_physical_memory_read(start_addr, &error_block_addr, > sizeof(error_block_addr)); > diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h > index 6891eafff5ab..33be1eb5acf4 100644 > --- a/include/hw/acpi/ghes.h > +++ b/include/hw/acpi/ghes.h > @@ -59,9 +59,10 @@ enum AcpiGhesNotifyType { > ACPI_GHES_NOTIFY_RESERVED = 12 > }; > > +/* Those are used as table indexes when building GHES tables */ > enum { > ACPI_HEST_SRC_ID_SEA = 0, > - /* future ids go here */ > + ACPI_HEST_SRC_ID_GPIO, > ACPI_HEST_SRC_ID_RESERVED, > }; >