From nobody Sat Sep 6 17:03:26 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1757085096; cv=none; d=zohomail.com; s=zohoarc; b=gY564Y4onsym1aJJTSgR9NewMZDHTyyaz5DtL8lZryNHPV0x4oKCO/Pgmh+uXhiz1GT1jjaX/T2t9cNrUh86YDeKhpgJ971rAREAdgzqnVDrybv+iYyzde93xRNkc732GZtN0GMgAfzMGfL9NGeMgtRdm49vhItcTZB86R2SQN4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1757085096; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=mDaqjcs7/QGQY3Xmnr6YuAopTx0FvWDneLXR1UvYukw=; b=cfLT0qNxUiZSkpl45AFcZYOLOR0LNGAwAl1LfTTeh9D5bDSm/0mlWgpG1tJBqEi5J4Ehep8/4o2bGTslOzp8EXABLGT+pHbKLMkv9CjxBg6IMSJ3SOnKz0djDRRKPlrgTvfzzv7F4V7CXvVH85wLiIMB9deAr80NZc3/7Qzw2fA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 175708509619415.745746184699556; Fri, 5 Sep 2025 08:11:36 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uuY4y-0007bQ-CP; Fri, 05 Sep 2025 11:10:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uuY4Z-0007Rr-2t; Fri, 05 Sep 2025 11:09:55 -0400 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uuY4P-0005mo-M2; Fri, 05 Sep 2025 11:09:53 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id CAC966029C; Fri, 5 Sep 2025 15:09:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52B1EC4AF0D; Fri, 5 Sep 2025 15:09:34 +0000 (UTC) Received: from mchehab by mail.kernel.org with local (Exim 4.98.2) (envelope-from ) id 1uuY49-0000000HEUr-2yks; Fri, 05 Sep 2025 17:09:29 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757084974; bh=R1KD74Ew/S5bve2aEoz1yR5OBUxaHIWZutYJgIe/Fvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m+4PKK8Fng9wvzB1UY8//bedqP1DzTvo+YHKJgYwW2lqi+1gn/LnvzexNKF58lMFO l/Gdp6n0lUUtENDbZqHdlcGC8kw1jkfS9y6Y2/r/5VvbmuTQlVr0zFoqc5ZjCHFKjw z3xIbzUm4cq8o0SF6HmdQkpUyeLeYaij8JXLgEQ7XRFko7OJfc5m9bvPAum0pwQreV vCspY6pqu4lL9x83E20Cm3twzKTVqaEl7KeMLu8GlxgrDPrr6MuVBXm1ig6BtOIU5a TyXH/+j8A9ychH2A0ysgLCRxiwtaqkkdMnNrYO5zZBmppO5fO/Pfg2INLpPhc4Niw8 40np24pY5ElDA== From: Mauro Carvalho Chehab To: Igor Mammedov , "Michael S . Tsirkin" Cc: Jonathan Cameron , Shiju Jose , qemu-arm@nongnu.org, qemu-devel@nongnu.org, Mauro Carvalho Chehab , Ani Sinha , Dongjiu Geng Subject: [PATCH v11 04/17] acpi/ghes: add a firmware file with HEST address Date: Fri, 5 Sep 2025 17:09:11 +0200 Message-ID: X-Mailer: git-send-email 2.51.0 In-Reply-To: References: Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2600:3c04:e001:324:0:1991:8:25; envelope-from=mchehab+huawei@kernel.org; helo=tor.source.kernel.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @kernel.org) X-ZM-MESSAGEID: 1757085104664124100 Store HEST table address at GPA, placing its the start of the table at hest_addr_le variable. Signed-off-by: Mauro Carvalho Chehab Reviewed-by: Jonathan Cameron Reviewed-by: Igor Mammedov --- hw/acpi/ghes.c | 22 ++++++++++++++++++++-- include/hw/acpi/ghes.h | 6 +++++- 2 files changed, 25 insertions(+), 3 deletions(-) diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c index 9243b5ad4acb..cbc96c1909f0 100644 --- a/hw/acpi/ghes.c +++ b/hw/acpi/ghes.c @@ -30,6 +30,7 @@ =20 #define ACPI_HW_ERROR_FW_CFG_FILE "etc/hardware_errors" #define ACPI_HW_ERROR_ADDR_FW_CFG_FILE "etc/hardware_errors_addr" +#define ACPI_HEST_ADDR_FW_CFG_FILE "etc/acpi_table_hest_addr" =20 /* The max size in bytes for one error block */ #define ACPI_GHES_MAX_RAW_DATA_LENGTH (1 * KiB) @@ -341,6 +342,9 @@ void acpi_build_hest(AcpiGhesState *ags, GArray *table_= data, { AcpiTable table =3D { .sig =3D "HEST", .rev =3D 1, .oem_id =3D oem_id, .oem_table_id =3D oem_table_id= }; + uint32_t hest_offset; + + hest_offset =3D table_data->len; =20 build_ghes_error_table(ags, hardware_errors, linker); =20 @@ -352,6 +356,17 @@ void acpi_build_hest(AcpiGhesState *ags, GArray *table= _data, ACPI_GHES_NOTIFY_SEA, ACPI_HEST_SRC_ID_SEA); =20 acpi_table_end(linker, &table); + + if (ags->use_hest_addr) { + /* + * Tell firmware to write into GPA the address of HEST via fw_cfg, + * once initialized. + */ + bios_linker_loader_write_pointer(linker, + ACPI_HEST_ADDR_FW_CFG_FILE, 0, + sizeof(uint64_t), + ACPI_BUILD_TABLE_FILE, hest_offse= t); + } } =20 void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s, @@ -361,7 +376,10 @@ void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgSta= te *s, fw_cfg_add_file(s, ACPI_HW_ERROR_FW_CFG_FILE, hardware_error->data, hardware_error->len); =20 - if (!ags->use_hest_addr) { + if (ags->use_hest_addr) { + fw_cfg_add_file_callback(s, ACPI_HEST_ADDR_FW_CFG_FILE, NULL, NULL, + NULL, &(ags->hest_addr_le), sizeof(ags->hest_addr_le), false); + } else { /* Create a read-write fw_cfg file for Address */ fw_cfg_add_file_callback(s, ACPI_HW_ERROR_ADDR_FW_CFG_FILE, NULL, = NULL, NULL, &(ags->hw_error_le), sizeof(ags->hw_error_le), false); @@ -484,7 +502,7 @@ AcpiGhesState *acpi_ghes_get_state(void) } ags =3D &acpi_ged_state->ghes_state; =20 - if (!ags->hw_error_le) { + if (!ags->hw_error_le && !ags->hest_addr_le) { return NULL; } return ags; diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h index 411f592662af..ea9baab764e2 100644 --- a/include/hw/acpi/ghes.h +++ b/include/hw/acpi/ghes.h @@ -70,9 +70,13 @@ enum { * When use_hest_addr is false, the GPA of the etc/hardware_errors firmware * is stored at hw_error_le. This is the default on QEMU 9.x. * - * An GPA value equal to zero means that GHES is not present. + * When use_hest_addr is true, the GPA of the HEST table is stored at + * hest_addr_le. This is the default for QEMU 10.x and above. + * + * Whe both GPA values are equal to zero means that GHES is not present. */ typedef struct AcpiGhesState { + uint64_t hest_addr_le; uint64_t hw_error_le; bool use_hest_addr; /* Currently, always false */ } AcpiGhesState; --=20 2.51.0