masayuki2009 commented on code in PR #7673: URL: https://github.com/apache/nuttx/pull/7673#discussion_r1034254117
########## drivers/virtio/Kconfig: ########## @@ -0,0 +1,45 @@ +# +# For a description of the syntax of this configuration file, +# see the file kconfig-language.txt in the NuttX tools repository. +# + +menuconfig DRIVERS_VIRTIO + bool "Virtio Device Support" + depends on !OPENAMP + default n + ---help--- + +if DRIVERS_VIRTIO +menuconfig DRIVERS_VIRTIO_MMIO_NUM + int "The number of virtio mmio devices" + default 1 + ---help--- + +menuconfig DRIVERS_VIRTIO_MMIO_BASE + hex "Virtio-mmio base address" + ---help--- + +menuconfig DRIVERS_VIRTIO_MMIO_REGSIZE + hex "Virtio-mmio register size" Review Comment: done ########## include/nuttx/virtio/virtio-mmio.h: ########## @@ -0,0 +1,169 @@ +/**************************************************************************** + * include/nuttx/virtio/virtio-mmio.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __INCLUDE_NUTTX_VIRTIO_VIRTIO_MMIO_H +#define __INCLUDE_NUTTX_VIRTIO_VIRTIO_MMIO_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <stdbool.h> +#include <stdint.h> +#include <arch/spinlock.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* See virtio-v1.1-csprd01.pdf */ + +#define VIRTIO_MAGIC 0x74726976 +#define VIRTIO_VERSION 0x2 /* NOTE: Legacy devices used 0x1 */ + +#define VIRTIO_DEV_NET 0x1 + +#define VIRTIO_STATUS_ACKNOWLEDGE (1) +#define VIRTIO_STATUS_DRIVER (2) +#define VIRTIO_STATUS_DRIVER_OK (4) +#define VIRTIO_STATUS_FEATURES_OK (8) + +#define VIRTQ_DESC_F_NEXT 1 /* marks a buffer as continuing */ +#define VIRTQ_DESC_F_WRITE 2 /* marks a buffer as device write-only */ + +#define mb() SP_DMB() Review Comment: done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
