From nobody Wed Nov 27 20:32:20 2024 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E4AF81BFDE8 for ; Tue, 1 Oct 2024 11:43:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727782997; cv=none; b=HB+lwSkBjJgPewOM5FUpp6rC3HftbDtu4lQbKOkxo64O3giH0sp3UOJPijdJpRhmulm0MipPqJe6e4kCwJ/3lSmCjPPFdipdpH5e/YLyxGrcFsfnsKpwLn1UX0Cv6+dTxcveclamzCR1XL1ZecHHsRBC9zcMvPls4xf2GSqY+es= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727782997; c=relaxed/simple; bh=kdOhicYRP+Af5pJK9ojcMdnLO0Tz2ve669IOTmMN/5M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ToraNQ0CeCJE4MWeIa4LP+EGL21NgWFFYEYzN75U+VBEA3Bxz4gVz3UQZrlI+Xggmw/GDM3t2CRm56pg1VpVeqH5QYc9aMKfhAZkU2AKI715rN5+iEqFf3/kJ0/uFoIW9Jcom9O0glZIQOcNE0BdPT53txZzr0J/WGvkXxCSY00= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ighTY4LY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ighTY4LY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 90CEDC4CEC6; Tue, 1 Oct 2024 11:43:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727782996; bh=kdOhicYRP+Af5pJK9ojcMdnLO0Tz2ve669IOTmMN/5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ighTY4LYYcsYAgYz1pVX3GDXUV1SgifvBVb9rjpmhVSw9JoYWc7ygT8ELMmp2VZ6i ZWsaHPCV4EqEiS9oCxuKbl4LDqrm51gqzKfvMjZpJjDr/f5FM9Aq4hNb0OtXQ0cgDs +yVTY8oYxLjXnllkIPJg4WRmoiYrxDCMpEx5KovpDp48MC5vLS2Izu80zPR+mEKffM KXMIZfNSgmiNLwQljuHPbMn5w5y2Mp8Yh70qLn9wTB3j4kkM89cTbvLq7sg9CyZcQf GFDFxHG6X/u3jgtHeJtjuEGHLG9jz2e/lKKdHYK5mEMxvVkj8OJVGj7yBuJS3RkVEH KcXTCEvtAVLVA== Received: from mchehab by mail.kernel.org with local (Exim 4.98) (envelope-from ) id 1svbHd-0000000Adcs-3Buw; Tue, 01 Oct 2024 13:43:13 +0200 From: Mauro Carvalho Chehab To: Igor Mammedov Cc: Jonathan Cameron , Shiju Jose , Mauro Carvalho Chehab , "Michael S. Tsirkin" , Ani Sinha , Dongjiu Geng , linux-kernel@vger.kernel.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH RFC 1/5] acpi/ghes: add a firmware file with HEST address Date: Tue, 1 Oct 2024 13:42:46 +0200 Message-ID: X-Mailer: git-send-email 2.46.1 In-Reply-To: References: 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 Sender: Mauro Carvalho Chehab Content-Type: text/plain; charset="utf-8" Store HEST table address at GPA, placing its content at hest_addr_le variable. Signed-off-by: Mauro Carvalho Chehab --- Change from v8: - hest_addr_lr is now pointing to the error source size and data. Signed-off-by: Mauro Carvalho Chehab --- hw/acpi/ghes.c | 15 +++++++++++++++ include/hw/acpi/ghes.h | 1 + 2 files changed, 16 insertions(+) diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c index 8b3292be07e7..2c2cf444edeb 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) @@ -361,6 +362,8 @@ void acpi_build_hest(GArray *table_data, GArray *hardwa= re_errors, =20 acpi_table_begin(&table, table_data); =20 + int hest_offset =3D table_data->len; + /* Error Source Count */ build_append_int_noprefix(table_data, num_sources, 4); for (i =3D 0; i < num_sources; i++) { @@ -368,6 +371,15 @@ void acpi_build_hest(GArray *table_data, GArray *hardw= are_errors, } =20 acpi_table_end(linker, &table); + + /* + * 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_offset); } =20 void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s, @@ -381,6 +393,9 @@ void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgStat= e *s, 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); =20 + 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); + ags->present =3D true; } =20 diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h index e47ffacbb5c9..a07c30ef13b7 100644 --- a/include/hw/acpi/ghes.h +++ b/include/hw/acpi/ghes.h @@ -58,6 +58,7 @@ enum AcpiGhesNotifyType { }; =20 typedef struct AcpiGhesState { + uint64_t hest_addr_le; uint64_t hw_error_le; bool present; /* True if GHES is present at all on this board */ } AcpiGhesState; --=20 2.46.1