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[209.51.188.17]) by mx.google.com with ESMTPS id af79cd13be357-7c068a1f7c9si153298485a.23.2025.02.11.01.24.51 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 11 Feb 2025 01:24:51 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=QpUXGRAT; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1thmUj-0002Aa-PF; Tue, 11 Feb 2025 04:23:53 -0500 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 1thmUY-00021t-BH for qemu-devel@nongnu.org; Tue, 11 Feb 2025 04:23:42 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1thmUW-0002xe-Cx for qemu-devel@nongnu.org; Tue, 11 Feb 2025 04:23:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739265818; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gJaSPb7gfbnadCP+GMf4rYegA4/fNW+xCFRBmeaAkT0=; b=QpUXGRATeAwFZ5pPCY38ZgjrLQ/zTtjTuQ+dqVsyur7/RJy8XYUA4LMoe0TZwGTHyOOPII 94p27v41Idzqa7iXZ3NuIQXz2HerA5Sc+nibyZbFjp2GukiHoD/TOsnest0ZsPKP8igpUq ibUG1BDzkNkAgwR6DWvK+kiKGsYrmRk= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-581-WCdE3eZOMpacvAAiiW2vlg-1; Tue, 11 Feb 2025 04:23:33 -0500 X-MC-Unique: WCdE3eZOMpacvAAiiW2vlg-1 X-Mimecast-MFC-AGG-ID: WCdE3eZOMpacvAAiiW2vlg Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8B48F1800875; Tue, 11 Feb 2025 09:23:30 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.44.32.57]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 98B1E30001AB; Tue, 11 Feb 2025 09:23:28 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 8854E18000AE; Tue, 11 Feb 2025 10:23:24 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Cc: Gerd Hoffmann , graf@amazon.com, Eric Blake , Peter Maydell , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Thomas Huth , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , qemu-arm@nongnu.org, Michael Roth , Markus Armbruster , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Ard Biesheuvel , Laszlo Ersek Subject: [PATCH v3 01/23] hw/uefi: add include/hw/uefi/var-service-api.h Date: Tue, 11 Feb 2025 10:22:59 +0100 Message-ID: <20250211092324.965440-2-kraxel@redhat.com> In-Reply-To: <20250211092324.965440-1-kraxel@redhat.com> References: <20250211092324.965440-1-kraxel@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.388, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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+alex.bennee=linaro.org@nongnu.org Sender: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: STWeVw/8YTNX This file defines the register interface of the uefi-vars device. It's only a handful of registers: magic value, command and status registers, location and size of the communication buffer. Signed-off-by: Gerd Hoffmann Reviewed-by: Laszlo Ersek --- include/hw/uefi/var-service-api.h | 43 +++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 include/hw/uefi/var-service-api.h diff --git a/include/hw/uefi/var-service-api.h b/include/hw/uefi/var-service-api.h new file mode 100644 index 000000000000..6765925d9ed0 --- /dev/null +++ b/include/hw/uefi/var-service-api.h @@ -0,0 +1,43 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * + * uefi-vars device - API of the virtual device for guest/host communication. + */ +#ifndef QEMU_UEFI_VAR_SERVICE_API_H +#define QEMU_UEFI_VAR_SERVICE_API_H + +/* isa: io range */ +#define UEFI_VARS_IO_BASE 0x520 + +/* qom: device names */ +#define TYPE_UEFI_VARS_ISA "uefi-vars-isa" +#define TYPE_UEFI_VARS_SYSBUS "uefi-vars-sysbus" + +/* sysbus: fdt node path */ +#define UEFI_VARS_FDT_NODE "qemu-uefi-vars" +#define UEFI_VARS_FDT_COMPAT "qemu,uefi-vars" + +/* registers */ +#define UEFI_VARS_REG_MAGIC 0x00 /* 16 bit */ +#define UEFI_VARS_REG_CMD_STS 0x02 /* 16 bit */ +#define UEFI_VARS_REG_BUFFER_SIZE 0x04 /* 32 bit */ +#define UEFI_VARS_REG_BUFFER_ADDR_LO 0x08 /* 32 bit */ +#define UEFI_VARS_REG_BUFFER_ADDR_HI 0x0c /* 32 bit */ +#define UEFI_VARS_REGS_SIZE 0x10 + +/* magic value */ +#define UEFI_VARS_MAGIC_VALUE 0xef1 + +/* command values */ +#define UEFI_VARS_CMD_RESET 0x01 +#define UEFI_VARS_CMD_MM 0x02 + +/* status values */ +#define UEFI_VARS_STS_SUCCESS 0x00 +#define UEFI_VARS_STS_BUSY 0x01 +#define UEFI_VARS_STS_ERR_UNKNOWN 0x10 +#define UEFI_VARS_STS_ERR_NOT_SUPPORTED 0x11 +#define UEFI_VARS_STS_ERR_BAD_BUFFER_SIZE 0x12 + + +#endif /* QEMU_UEFI_VAR_SERVICE_API_H */ -- 2.48.1