mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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241 lines
8.4 KiB
C
241 lines
8.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* This file describes internal structures.
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*/
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#ifndef _LIBUSB20_INT_H_
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#define _LIBUSB20_INT_H_
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struct libusb20_device;
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struct libusb20_backend;
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struct libusb20_transfer;
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struct libusb20_quirk;
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union libusb20_session_data {
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unsigned long session_data;
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struct timespec tv;
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uint32_t plugtime;
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};
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/* USB backend specific */
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typedef const char *(libusb20_get_backend_name_t)(void);
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typedef int (libusb20_root_get_dev_quirk_t)(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq);
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typedef int (libusb20_root_get_quirk_name_t)(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq);
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typedef int (libusb20_root_add_dev_quirk_t)(struct libusb20_backend *pbe, struct libusb20_quirk *pq);
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typedef int (libusb20_root_remove_dev_quirk_t)(struct libusb20_backend *pbe, struct libusb20_quirk *pq);
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typedef int (libusb20_close_device_t)(struct libusb20_device *pdev);
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typedef int (libusb20_dev_get_info_t)(struct libusb20_device *pdev, struct usb_device_info *pinfo);
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typedef int (libusb20_dev_get_iface_desc_t)(struct libusb20_device *pdev, uint8_t iface_index, char *buf, uint8_t len);
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typedef int (libusb20_init_backend_t)(struct libusb20_backend *pbe);
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typedef int (libusb20_open_device_t)(struct libusb20_device *pdev, uint16_t transfer_count_max);
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typedef void (libusb20_exit_backend_t)(struct libusb20_backend *pbe);
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typedef int (libusb20_root_set_template_t)(struct libusb20_backend *pbe, int temp);
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typedef int (libusb20_root_get_template_t)(struct libusb20_backend *pbe, int *ptemp);
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#define LIBUSB20_DEFINE(n,field) \
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libusb20_##field##_t *field;
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#define LIBUSB20_DECLARE(n,field) \
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/* .field = */ n##_##field,
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#define LIBUSB20_BACKEND(m,n) \
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/* description of this backend */ \
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m(n, get_backend_name) \
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/* optional backend methods */ \
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m(n, init_backend) \
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m(n, exit_backend) \
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m(n, dev_get_info) \
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m(n, dev_get_iface_desc) \
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m(n, root_get_dev_quirk) \
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m(n, root_get_quirk_name) \
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m(n, root_add_dev_quirk) \
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m(n, root_remove_dev_quirk) \
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m(n, root_set_template) \
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m(n, root_get_template) \
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/* mandatory device methods */ \
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m(n, open_device) \
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m(n, close_device) \
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struct libusb20_backend_methods {
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LIBUSB20_BACKEND(LIBUSB20_DEFINE,)
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};
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/* USB dummy methods */
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typedef int (libusb20_dummy_int_t)(void);
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typedef void (libusb20_dummy_void_t)(void);
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/* USB device specific */
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typedef int (libusb20_detach_kernel_driver_t)(struct libusb20_device *pdev, uint8_t iface_index);
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typedef int (libusb20_do_request_sync_t)(struct libusb20_device *pdev, struct LIBUSB20_CONTROL_SETUP_DECODED *setup, void *data, uint16_t *pactlen, uint32_t timeout, uint8_t flags);
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typedef int (libusb20_get_config_desc_full_t)(struct libusb20_device *pdev, uint8_t **ppbuf, uint16_t *plen, uint8_t index);
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typedef int (libusb20_get_config_index_t)(struct libusb20_device *pdev, uint8_t *pindex);
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typedef int (libusb20_kernel_driver_active_t)(struct libusb20_device *pdev, uint8_t iface_index);
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typedef int (libusb20_process_t)(struct libusb20_device *pdev);
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typedef int (libusb20_reset_device_t)(struct libusb20_device *pdev);
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typedef int (libusb20_set_power_mode_t)(struct libusb20_device *pdev, uint8_t power_mode);
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typedef int (libusb20_get_power_mode_t)(struct libusb20_device *pdev, uint8_t *power_mode);
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typedef int (libusb20_get_power_usage_t)(struct libusb20_device *pdev, uint16_t *power_usage);
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typedef int (libusb20_get_stats_t)(struct libusb20_device *pdev, struct libusb20_device_stats *pstats);
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typedef int (libusb20_set_alt_index_t)(struct libusb20_device *pdev, uint8_t iface_index, uint8_t alt_index);
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typedef int (libusb20_set_config_index_t)(struct libusb20_device *pdev, uint8_t index);
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typedef int (libusb20_check_connected_t)(struct libusb20_device *pdev);
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/* USB transfer specific */
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typedef int (libusb20_tr_open_t)(struct libusb20_transfer *xfer, uint32_t MaxBufSize, uint32_t MaxFrameCount, uint8_t ep_no, uint16_t stream_id, uint8_t pre_scale);
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typedef int (libusb20_tr_close_t)(struct libusb20_transfer *xfer);
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typedef int (libusb20_tr_clear_stall_sync_t)(struct libusb20_transfer *xfer);
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typedef void (libusb20_tr_submit_t)(struct libusb20_transfer *xfer);
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typedef void (libusb20_tr_cancel_async_t)(struct libusb20_transfer *xfer);
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#define LIBUSB20_DEVICE(m,n) \
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m(n, detach_kernel_driver) \
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m(n, do_request_sync) \
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m(n, get_config_desc_full) \
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m(n, get_config_index) \
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m(n, kernel_driver_active) \
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m(n, process) \
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m(n, reset_device) \
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m(n, check_connected) \
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m(n, set_power_mode) \
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m(n, get_power_mode) \
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m(n, get_power_usage) \
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m(n, get_stats) \
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m(n, set_alt_index) \
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m(n, set_config_index) \
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m(n, tr_cancel_async) \
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m(n, tr_clear_stall_sync) \
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m(n, tr_close) \
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m(n, tr_open) \
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m(n, tr_submit) \
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struct libusb20_device_methods {
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LIBUSB20_DEVICE(LIBUSB20_DEFINE,)
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};
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struct libusb20_backend {
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TAILQ_HEAD(, libusb20_device) usb_devs;
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const struct libusb20_backend_methods *methods;
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};
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struct libusb20_transfer {
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struct libusb20_device *pdev; /* the USB device we belong to */
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libusb20_tr_callback_t *callback;
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void *priv_sc0; /* private client data */
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void *priv_sc1; /* private client data */
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/*
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* Pointer to a list of buffer pointers:
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*/
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void **ppBuffer;
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/*
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* Pointer to frame lengths, which are updated to actual length
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* after the USB transfer completes:
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*/
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uint32_t *pLength;
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uint32_t maxTotalLength;
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uint32_t maxFrames; /* total number of frames */
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uint32_t nFrames; /* total number of frames */
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uint32_t aFrames; /* actual number of frames */
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uint32_t timeout;
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/* isochronous completion time in milliseconds */
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uint16_t timeComplete;
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uint16_t trIndex;
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uint16_t maxPacketLen;
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uint8_t flags; /* see LIBUSB20_TRANSFER_XXX */
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uint8_t status; /* see LIBUSB20_TRANSFER_XXX */
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uint8_t is_opened;
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uint8_t is_pending;
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uint8_t is_cancel;
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uint8_t is_draining;
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uint8_t is_restart;
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};
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struct libusb20_device {
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/* device descriptor */
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struct LIBUSB20_DEVICE_DESC_DECODED ddesc;
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/* device timestamp */
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union libusb20_session_data session_data;
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/* our device entry */
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TAILQ_ENTRY(libusb20_device) dev_entry;
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/* device methods */
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const struct libusb20_device_methods *methods;
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/* backend methods */
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const struct libusb20_backend_methods *beMethods;
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/* list of USB transfers */
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struct libusb20_transfer *pTransfer;
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/* private backend data */
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void *privBeData;
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/* libUSB v0.1 and v1.0 compat data */
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void *privLuData;
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/* claimed interface */
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uint8_t claimed_interface;
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/* auto detach kernel driver */
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uint8_t auto_detach;
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/* device file handle */
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int file;
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/* device file handle (control transfers only) */
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int file_ctrl;
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/* debugging level */
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int debug;
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/* number of USB transfers */
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uint16_t nTransfer;
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uint8_t bus_number;
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uint8_t device_address;
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uint8_t usb_mode;
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uint8_t usb_speed;
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uint8_t is_opened;
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uint8_t parent_address;
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uint8_t parent_port;
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uint8_t port_level;
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char usb_desc[96];
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#define LIBUSB20_DEVICE_PORT_PATH_MAX 32
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uint8_t port_path[LIBUSB20_DEVICE_PORT_PATH_MAX];
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};
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extern const struct libusb20_backend_methods libusb20_ugen20_backend;
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extern const struct libusb20_backend_methods libusb20_linux_backend;
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#endif /* _LIBUSB20_INT_H_ */
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