1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
 2/*
 3 * Copyright (C) 2020-2021 OpenSynergy GmbH
 4 * Copyright (C) 2021 ARM Ltd.
 5 */
 6
 7#ifndef _LINUX_VIRTIO_SCMI_H
 8#define _LINUX_VIRTIO_SCMI_H
 9
10#include <linux/virtio_types.h>
11
12/* Device implements some SCMI notifications, or delayed responses. */
13#define VIRTIO_SCMI_F_P2A_CHANNELS 0
14
15/* Device implements any SCMI statistics shared memory region */
16#define VIRTIO_SCMI_F_SHARED_MEMORY 1
17
18/* Virtqueues */
19
20#define VIRTIO_SCMI_VQ_TX 0 /* cmdq */
21#define VIRTIO_SCMI_VQ_RX 1 /* eventq */
22#define VIRTIO_SCMI_VQ_MAX_CNT 2
23
24#endif /* _LINUX_VIRTIO_SCMI_H */