From nobody Wed Mar 5 18:19:22 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=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1741093055; cv=none; d=zohomail.com; s=zohoarc; b=MqnwnzgbYktZoZwkzhAnDp+nLKHvzo1wdnubm8HVMPs/nziedhmLBOd1jjwwTOBu1+xkbnKHDU+pc4zU8CvPFRAB+oesZdS4VEvjmC8tTDPwaEdy9qYww3eIVygPb3HHiRbg5EuNhjbV8GFnOSmWY35TJPAvvEzBH/SimcDgiWE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1741093055; h=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=K/GFtp0QO6yu6/4mr5Mp0qNucr+nmJ7SLkaVqL01H0Y=; b=iXJQO2z7wtevDKy6SYyBA3xSw7xSdhbyr1Hw4isVYS+jBfqDg3uOF7yfzp2rcgeZosxoxYDnwhMnrcekzw2VRO1nk0ZsWNfLgRSOOtEpg5VN5AuAKSdRDosSSnv4/VWS1ruG3ecy2pDdCxxU8VMQHk0gYmhi7is/tZLIxohizHo= 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1741093055857682.1542480402486; Tue, 4 Mar 2025 04:57:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tpRhe-0004oq-LD; Tue, 04 Mar 2025 07:48:54 -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 1tpRhQ-0004gj-Bj for qemu-devel@nongnu.org; Tue, 04 Mar 2025 07:48:41 -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 1tpRhO-0006jj-7W for qemu-devel@nongnu.org; Tue, 04 Mar 2025 07:48:40 -0500 Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-77-emFkRSd3MQuaCOEaCoM7tA-1; Tue, 04 Mar 2025 07:48:24 -0500 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8CBA21954200; Tue, 4 Mar 2025 12:48:22 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.44.32.122]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id CB275180087C; Tue, 4 Mar 2025 12:48:21 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 4B3941800396; Tue, 04 Mar 2025 13:48:15 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1741092517; 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=K/GFtp0QO6yu6/4mr5Mp0qNucr+nmJ7SLkaVqL01H0Y=; b=KPV7llWU/qZAzAEAum7L+UAahEFXHZL3mdFdum8JbAmlKwErCuKt92gtraktpZFeo3gUup 5LLLqIIt6tVzf54BdQYWo72MhrS3g3Fxi+RptAKVYjm8UzKxiEGHyuvj93FAzeBcA8kgab JO21VEzJZ2DCTQVTaWL7HcJg0ta/Pfg= X-MC-Unique: emFkRSd3MQuaCOEaCoM7tA-1 X-Mimecast-MFC-AGG-ID: emFkRSd3MQuaCOEaCoM7tA_1741092502 From: Gerd Hoffmann To: qemu-devel@nongnu.org Cc: Richard Henderson , Marcel Apfelbaum , "Michael S. Tsirkin" , Eric Blake , Paolo Bonzini , Gerd Hoffmann , Peter Maydell , qemu-arm@nongnu.org, Michael Roth , Markus Armbruster , Eduardo Habkost , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Laszlo Ersek Subject: [PULL 02/24] hw/uefi: add include/hw/uefi/var-service-api.h Date: Tue, 4 Mar 2025 13:47:50 +0100 Message-ID: <20250304124815.591749-3-kraxel@redhat.com> In-Reply-To: <20250304124815.591749-1-kraxel@redhat.com> References: <20250304124815.591749-1-kraxel@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 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=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1741093057896019100 Content-Type: text/plain; charset="utf-8" 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. Reviewed-by: Laszlo Ersek Signed-off-by: Gerd Hoffmann Message-ID: <20250225163031.1409078-3-kraxel@redhat.com> --- include/hw/uefi/var-service-api.h | 48 +++++++++++++++++++++++++++++++ 1 file changed, 48 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-servic= e-api.h new file mode 100644 index 000000000000..0d71638f3efe --- /dev/null +++ b/include/hw/uefi/var-service-api.h @@ -0,0 +1,48 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * + * uefi-vars device - API of the virtual device for guest/host communicati= on. + */ +#ifndef QEMU_UEFI_VAR_SERVICE_API_H +#define QEMU_UEFI_VAR_SERVICE_API_H + +/* qom: device names */ +#define TYPE_UEFI_VARS_X64 "uefi-vars-x64" +#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_DMA_BUFFER_ADDR_LO 0x08 /* 32 bit */ +#define UEFI_VARS_REG_DMA_BUFFER_ADDR_HI 0x0c /* 32 bit */ +#define UEFI_VARS_REG_PIO_BUFFER_TRANSFER 0x10 /* 8-64 bit */ +#define UEFI_VARS_REG_PIO_BUFFER_CRC32C 0x18 /* 32 bit (read-only) */ +#define UEFI_VARS_REG_FLAGS 0x1c /* 32 bit */ +#define UEFI_VARS_REGS_SIZE 0x20 + +/* flags register */ +#define UEFI_VARS_FLAG_USE_PIO (1 << 0) + +/* magic value */ +#define UEFI_VARS_MAGIC_VALUE 0xef1 + +/* command values */ +#define UEFI_VARS_CMD_RESET 0x01 +#define UEFI_VARS_CMD_DMA_MM 0x02 +#define UEFI_VARS_CMD_PIO_MM 0x03 +#define UEFI_VARS_CMD_PIO_ZERO_OFFSET 0x04 + +/* 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 */ --=20 2.48.1