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Bluetooth: Add support for virtio transport driver

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This adds support for Bluetooth HCI transport over virtio.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Marcel Holtmann
2021-04-06 21:55:53 +02:00
parent f67743f9e0
commit afd2daa26c
5 changed files with 445 additions and 0 deletions
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31
include/uapi/linux/virtio_bt.h Normal file
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@@ -0,0 +1,31 @@
/* SPDX-License-Identifier: BSD-3-Clause */
#ifndef _UAPI_LINUX_VIRTIO_BT_H
#define _UAPI_LINUX_VIRTIO_BT_H
#include <linux/virtio_types.h>
/* Feature bits */
#define VIRTIO_BT_F_VND_HCI 0 /* Indicates vendor command support */
#define VIRTIO_BT_F_MSFT_EXT 1 /* Indicates MSFT vendor support */
#define VIRTIO_BT_F_AOSP_EXT 2 /* Indicates AOSP vendor support */
enum virtio_bt_config_type {
VIRTIO_BT_CONFIG_TYPE_PRIMARY = 0,
VIRTIO_BT_CONFIG_TYPE_AMP = 1,
};
enum virtio_bt_config_vendor {
VIRTIO_BT_CONFIG_VENDOR_NONE = 0,
VIRTIO_BT_CONFIG_VENDOR_ZEPHYR = 1,
VIRTIO_BT_CONFIG_VENDOR_INTEL = 2,
VIRTIO_BT_CONFIG_VENDOR_REALTEK = 3,
};
struct virtio_bt_config {
__u8 type;
__u16 vendor;
__u16 msft_opcode;
} __attribute__((packed));
#endif /* _UAPI_LINUX_VIRTIO_BT_H */

1
include/uapi/linux/virtio_ids.h
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@@ -53,6 +53,7 @@
#define VIRTIO_ID_MEM 24 /* virtio mem */
#define VIRTIO_ID_FS 26 /* virtio filesystem */
#define VIRTIO_ID_PMEM 27 /* virtio pmem */
#define VIRTIO_ID_BT 28 /* virtio bluetooth */
#define VIRTIO_ID_MAC80211_HWSIM 29 /* virtio mac80211-hwsim */
#endif /* _LINUX_VIRTIO_IDS_H */