mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2025 Google Corporation
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*/
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#ifndef __HCI_DRV_H
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#define __HCI_DRV_H
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#include <linux/types.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci.h>
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struct hci_drv_cmd_hdr {
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__le16 opcode;
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__le16 len;
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} __packed;
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struct hci_drv_ev_hdr {
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__le16 opcode;
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__le16 len;
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} __packed;
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#define HCI_DRV_EV_CMD_STATUS 0x0000
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struct hci_drv_ev_cmd_status {
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__le16 opcode;
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__u8 status;
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} __packed;
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#define HCI_DRV_EV_CMD_COMPLETE 0x0001
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struct hci_drv_ev_cmd_complete {
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__le16 opcode;
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__u8 status;
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__u8 data[];
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} __packed;
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#define HCI_DRV_STATUS_SUCCESS 0x00
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#define HCI_DRV_STATUS_UNSPECIFIED_ERROR 0x01
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#define HCI_DRV_STATUS_UNKNOWN_COMMAND 0x02
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#define HCI_DRV_STATUS_INVALID_PARAMETERS 0x03
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#define HCI_DRV_MAX_DRIVER_NAME_LENGTH 32
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/* Common commands that make sense on all drivers start from 0x0000 */
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#define HCI_DRV_OP_READ_INFO 0x0000
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#define HCI_DRV_READ_INFO_SIZE 0
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struct hci_drv_rp_read_info {
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__u8 driver_name[HCI_DRV_MAX_DRIVER_NAME_LENGTH];
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__le16 num_supported_commands;
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__le16 supported_commands[];
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} __packed;
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/* Driver specific OGF (Opcode Group Field)
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* Commands in this group may have different meanings across different drivers.
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*/
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#define HCI_DRV_OGF_DRIVER_SPECIFIC 0x01
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int hci_drv_cmd_status(struct hci_dev *hdev, u16 cmd, u8 status);
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int hci_drv_cmd_complete(struct hci_dev *hdev, u16 cmd, u8 status, void *rp,
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size_t rp_len);
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int hci_drv_process_cmd(struct hci_dev *hdev, struct sk_buff *cmd_skb);
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struct hci_drv_handler {
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int (*func)(struct hci_dev *hdev, void *data, u16 data_len);
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size_t data_len;
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};
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struct hci_drv {
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size_t common_handler_count;
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const struct hci_drv_handler *common_handlers;
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size_t specific_handler_count;
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const struct hci_drv_handler *specific_handlers;
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};
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#endif /* __HCI_DRV_H */
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