From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web10.49476.1683205927554591568 for ; Thu, 04 May 2023 06:12:07 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=CpykxMq/; spf=pass (domain: redhat.com, ip: 170.10.129.124, mailfrom: kraxel@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1683205926; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QhaPkOeFNGL4hypWM1il8EZjUvNuUrpHwpruDLcVKTc=; b=CpykxMq/H7fsQjHUktY+qfYMC9kr1Ky1nyOSiCgZjoKl6wTN6KdQ/g7g60t7awmiwCaYMl /HwlcYPhm/rDZ6f0MBVd/UDfUFg1+gjM8iX24f0FN1J+xtxP7ylANxSWIcRul3UhNNLlYV qq7T0pkqHwMaukq23LJb2Khg1pyJyPY= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-241-2lBB16yLPHWppZOy-22ohQ-1; Thu, 04 May 2023 09:12:03 -0400 X-MC-Unique: 2lBB16yLPHWppZOy-22ohQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 01BC285A588; Thu, 4 May 2023 13:12:03 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.192.48]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AF99F492C1B; Thu, 4 May 2023 13:12:02 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 25C1D180092D; Thu, 4 May 2023 15:12:01 +0200 (CEST) From: "Gerd Hoffmann" To: devel@edk2.groups.io Cc: Oliver Steffen , Stefan Berger , Anthony Perard , Jiewen Yao , Julien Grall , Pawel Polawski , Jordan Justen , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Gerd Hoffmann , Ard Biesheuvel Subject: [PATCH v2 1/4] OvmfPkg: add IndustryStandard/VirtioSerial.h Date: Thu, 4 May 2023 15:11:58 +0200 Message-Id: <20230504131201.1026585-2-kraxel@redhat.com> In-Reply-To: <20230504131201.1026585-1-kraxel@redhat.com> References: <20230504131201.1026585-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true Add header files with structs and defines for the virtio serial device. The virtio serial device also known as virtio console device because initially it had only support for a single tty, intended to be used as console. Support for multiple streams and named data ports has been added later on. https://docs.oasis-open.org/virtio/virtio/v1.2/cs01/virtio-v1.2-cs01.html#x1-2900003 Signed-off-by: Gerd Hoffmann --- .../Include/IndustryStandard/VirtioSerial.h | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 OvmfPkg/Include/IndustryStandard/VirtioSerial.h diff --git a/OvmfPkg/Include/IndustryStandard/VirtioSerial.h b/OvmfPkg/Include/IndustryStandard/VirtioSerial.h new file mode 100644 index 000000000000..ffc8f84d03cc --- /dev/null +++ b/OvmfPkg/Include/IndustryStandard/VirtioSerial.h @@ -0,0 +1,64 @@ +/** @file + Virtio Serial Device specific type and macro definitions. + + Copyright (C) 2013-2016, Red Hat, Inc. + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _VIRTIO_SERIAL_H_ +#define _VIRTIO_SERIAL_H_ + +#include +#include + +// +// Device Configuration +// +typedef struct { + UINT16 Cols; + UINT16 Rows; + UINT32 MaxPorts; + UINT32 EmergWrite; +} VIRTIO_SERIAL_CONFIG; + +// +// Control Queue +// +typedef struct { + UINT32 Id; + UINT16 Event; + UINT16 Value; +} VIRTIO_SERIAL_CONTROL; + +// +// Queue Identifiers +// +#define VIRTIO_SERIAL_Q_RX_PORT0 0 +#define VIRTIO_SERIAL_Q_TX_PORT0 1 +#define VIRTIO_SERIAL_Q_RX_CTRL 2 +#define VIRTIO_SERIAL_Q_TX_CTRL 3 +#define VIRTIO_SERIAL_Q_RX_BASE 4 +#define VIRTIO_SERIAL_Q_TX_BASE 5 + +// +// Feature Bits +// +#define VIRTIO_SERIAL_F_SIZE BIT0 +#define VIRTIO_SERIAL_F_MULTIPORT BIT1 +#define VIRTIO_SERIAL_F_EMERG_WRITE BIT2 + +// +// Events +// +#define VIRTIO_SERIAL_DEVICE_READY 0 +#define VIRTIO_SERIAL_DEVICE_ADD 1 +#define VIRTIO_SERIAL_DEVICE_REMOVE 2 +#define VIRTIO_SERIAL_PORT_READY 3 +#define VIRTIO_SERIAL_CONSOLE_PORT 4 +#define VIRTIO_SERIAL_RESIZE 5 +#define VIRTIO_SERIAL_PORT_OPEN 6 +#define VIRTIO_SERIAL_PORT_NAME 7 + +#endif /* _VIRTIO_SERIAL_H_ */ -- 2.40.1