From nobody Mon Feb 9 08:28:32 2026 Received: from out30-113.freemail.mail.aliyun.com (out30-113.freemail.mail.aliyun.com [115.124.30.113]) (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 36EEA30DEDD; Mon, 22 Dec 2025 09:44:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.113 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766396655; cv=none; b=u4JBCQi7mePgCRISWJUSS2N9ljrLTdk3Z3Symx1je6Kmf3I6ew81fwmVLWoW3uniFrdS54iPgMDNwaDg0Q2bsIe/94yoy/C2f+am14fAVYtV5OIzZmcTG/mIOW9a1hNaeUxgCq4wi7j2fOOtusgrrd+9rmW9HSI6XTHC0Wt6zEs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766396655; c=relaxed/simple; bh=eAZzCI5nkOPouHu8166myOihyvraqZfihihrLhdM7tQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hgKt5L3xZZPekZdRf2pDT4UaRYDZdMIWcWu+B8zhyvLgNdcGpqYgRI8xsKaKW16CC9cGvQD/FgA8Njw/liKHQq6MUSQptMv8MjwM/8hd1Od4lZ7+RwRXrvnMTmilnZdTntaWR5JTxJoW0LqcZKZh26DQvIpCmA6qYfqphmwCRMc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=qMIOdepy; arc=none smtp.client-ip=115.124.30.113 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="qMIOdepy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1766396648; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=4DCUNTo5xh9M5poTUAlPWmJCzg4ftKAmvhtmbMlI8n4=; b=qMIOdepyv/8nHqdk+EFBFITv27vO4Eyr5z7DY9sEogUIX7uifQI51ixKIOfzVdjOSFl9cg4lzwGczPcF+PZTW1UzPxDfg1wuxYTDMo6yO0ox7puQtuidj3rwJZCOvyte4bhOECFNWvsawZ7+/TwpCU/Wzv+A5+jx9pjgqK3oLno= Received: from localhost(mailfrom:tianruidong@linux.alibaba.com fp:SMTPD_---0WvOU8Rx_1766396646 cluster:ay36) by smtp.aliyun-inc.com; Mon, 22 Dec 2025 17:44:08 +0800 From: Ruidong Tian To: catalin.marinas@arm.com, will@kernel.org, lpieralisi@kernel.org, guohanjun@huawei.com, sudeep.holla@arm.com, xueshuai@linux.alibaba.com, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, rafael@kernel.org, lenb@kernel.org, tony.luck@intel.com, bp@alien8.de, yazen.ghannam@amd.com, misono.tomohiro@fujitsu.com Cc: tianruidong@linux.alibaba.com Subject: [PATCH v4 03/17] ras: AEST: support different group format Date: Mon, 22 Dec 2025 17:43:36 +0800 Message-Id: <20251222094351.38792-4-tianruidong@linux.alibaba.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20251222094351.38792-1-tianruidong@linux.alibaba.com> References: <20251222094351.38792-1-tianruidong@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Support for various AEST group formats allows for flexible configuration of AEST node address space sizes and maximum record counts per group. Signed-off-by: Ruidong Tian --- drivers/ras/aest/aest-core.c | 6 ++++-- drivers/ras/aest/aest.h | 39 +++++++++++++++++++++++++++++++++++- 2 files changed, 42 insertions(+), 3 deletions(-) diff --git a/drivers/ras/aest/aest-core.c b/drivers/ras/aest/aest-core.c index c7ef6c13fd44..acebb293ac75 100644 --- a/drivers/ras/aest/aest-core.c +++ b/drivers/ras/aest/aest-core.c @@ -84,7 +84,7 @@ static int aest_node_set_errgsr(struct aest_device *adev, return 0; =20 if (!(anode->interface_hdr->flags & AEST_XFACE_FLAG_ERROR_GROUP)) { - node->errgsr =3D node->base + ERXGROUP; + node->errgsr =3D node->base + node->group->errgsr_offset; return 0; } =20 @@ -112,10 +112,12 @@ static int aest_init_node(struct aest_device *adev, s= truct aest_node *node, return -ENOMEM; node->record_implemented =3D anode->record_implemented; node->status_reporting =3D anode->status_reporting; + node->group =3D &aest_group_config[anode->interface_hdr->group_format]; =20 address =3D anode->interface_hdr->address; if (address) { - node->base =3D devm_ioremap(adev->dev, address, PAGE_SIZE); + node->base =3D + devm_ioremap(adev->dev, address, node->group->size); if (!node->base) return -ENOMEM; } diff --git a/drivers/ras/aest/aest.h b/drivers/ras/aest/aest.h index d918240c3f57..3250675e99b7 100644 --- a/drivers/ras/aest/aest.h +++ b/drivers/ras/aest/aest.h @@ -37,7 +37,15 @@ dev_dbg((__record)->node->adev->dev, "%s: %s: " format, \ (__record)->node->name, (__record)->name, ##__VA_ARGS__) =20 -#define ERXGROUP 0xE00 +#define ERXGROUP_4K_OFFSET 0xE00 +#define ERXGROUP_16K_OFFSET 0x3800 +#define ERXGROUP_64K_OFFSET 0xE000 +#define ERXGROUP_4K_SIZE (4 * KB) +#define ERXGROUP_16K_SIZE (16 * KB) +#define ERXGROUP_64K_SIZE (64 * KB) +#define ERXGROUP_4K_ERRGSR_NUM 1 +#define ERXGROUP_16K_ERRGSR_NUM 4 +#define ERXGROUP_64K_ERRGSR_NUM 14 =20 struct aest_record { char *name; @@ -57,6 +65,34 @@ struct aest_record { struct aest_node *node; }; =20 +struct aest_group { + int type; + int errgsr_num; + size_t size; + u64 errgsr_offset; +}; + +static const struct aest_group aest_group_config[] =3D { + [ACPI_AEST_NODE_GROUP_FORMAT_4K] =3D { + .type =3D ACPI_AEST_NODE_GROUP_FORMAT_4K, + .errgsr_num =3D ERXGROUP_4K_ERRGSR_NUM, + .size =3D ERXGROUP_4K_SIZE, + .errgsr_offset =3D ERXGROUP_4K_OFFSET, + }, + [ACPI_AEST_NODE_GROUP_FORMAT_16K] =3D { + .type =3D ACPI_AEST_NODE_GROUP_FORMAT_16K, + .errgsr_num =3D ERXGROUP_16K_ERRGSR_NUM, + .size =3D ERXGROUP_16K_SIZE, + .errgsr_offset =3D ERXGROUP_16K_OFFSET, + }, + [ACPI_AEST_NODE_GROUP_FORMAT_64K] =3D { + .type =3D ACPI_AEST_NODE_GROUP_FORMAT_64K, + .errgsr_num =3D ERXGROUP_64K_ERRGSR_NUM, + .size =3D ERXGROUP_64K_SIZE, + .errgsr_offset =3D ERXGROUP_64K_OFFSET, + }, +}; + struct aest_node { char *name; u8 type; @@ -86,6 +122,7 @@ struct aest_node { */ unsigned long *status_reporting; =20 + const struct aest_group *group; struct aest_device *adev; struct acpi_aest_node *info; =20 --=20 2.51.2.612.gdc70283dfc