author: Arnd Bergmann <arnd@arndb.de> 2021-08-12 22:38:31 +0200
committer: Arnd Bergmann <arnd@arndb.de> 2021-08-12 22:38:31 +0200
commit: 1bb24be00c8c360e5e3072301d5f49eac86b384f
parent: 866e1691ed5beee933c0f8c9268963c33377ede6
Commit Summary:
Diffstat:
2 files changed, 18 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h
index 70a8057ad4bb..f74155f6882d 100644
--- a/include/uapi/linux/virtio_ids.h
+++ b/include/uapi/linux/virtio_ids.h
@@ -55,6 +55,7 @@
#define VIRTIO_ID_FS 26 /* virtio filesystem */
#define VIRTIO_ID_PMEM 27 /* virtio pmem */
#define VIRTIO_ID_MAC80211_HWSIM 29 /* virtio mac80211-hwsim */
+#define VIRTIO_ID_SCMI 32 /* virtio SCMI */
#define VIRTIO_ID_BT 40 /* virtio bluetooth */
/*
diff --git a/include/uapi/linux/virtio_scmi.h b/include/uapi/linux/virtio_scmi.h
new file mode 100644
index 000000000000..f8ddd04a3ace
--- /dev/null
+++ b/include/uapi/linux/virtio_scmi.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/*
+ * Copyright (C) 2020-2021 OpenSynergy GmbH
+ * Copyright (C) 2021 ARM Ltd.
+ */
+
+#ifndef _UAPI_LINUX_VIRTIO_SCMI_H
+#define _UAPI_LINUX_VIRTIO_SCMI_H
+
+#include <linux/virtio_types.h>
+
+/* Device implements some SCMI notifications, or delayed responses. */
+#define VIRTIO_SCMI_F_P2A_CHANNELS 0
+
+/* Device implements any SCMI statistics shared memory region */
+#define VIRTIO_SCMI_F_SHARED_MEMORY 1
+
+/* Virtqueues */
+
+#define VIRTIO_SCMI_VQ_TX 0 /* cmdq */
+#define VIRTIO_SCMI_VQ_RX 1 /* eventq */
+#define VIRTIO_SCMI_VQ_MAX_CNT 2
+
+#endif /* _UAPI_LINUX_VIRTIO_SCMI_H */