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Diffstat (limited to 'lib/libusb/libusb10.h')
| -rw-r--r-- | lib/libusb/libusb10.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/lib/libusb/libusb10.h b/lib/libusb/libusb10.h new file mode 100644 index 000000000000..eced364ef857 --- /dev/null +++ b/lib/libusb/libusb10.h @@ -0,0 +1,155 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef __LIBUSB10_H__ +#define __LIBUSB10_H__ + +#ifndef LIBUSB_GLOBAL_INCLUDE_FILE +#include <sys/cdefs.h> +#include <sys/queue.h> +#include <netlink/netlink.h> +#include <netlink/netlink_generic.h> +#include <netlink/netlink_snl.h> +#include <netlink/netlink_snl_generic.h> +#include <netlink/netlink_sysevent.h> + +#endif + +#define GET_CONTEXT(ctx) (((ctx) == NULL) ? usbi_default_context : (ctx)) +#define UNEXPORTED __attribute__((__visibility__("hidden"))) +#define CTX_LOCK(ctx) pthread_mutex_lock(&(ctx)->ctx_lock) +#define CTX_TRYLOCK(ctx) pthread_mutex_trylock(&(ctx)->ctx_lock) +#define CTX_UNLOCK(ctx) pthread_mutex_unlock(&(ctx)->ctx_lock) +#define HOTPLUG_LOCK(ctx) pthread_mutex_lock(&(ctx)->hotplug_lock) +#define HOTPLUG_UNLOCK(ctx) pthread_mutex_unlock(&(ctx)->hotplug_lock) + +void libusb_log_va_args(struct libusb_context *ctx, enum libusb_log_level level, + const char *fmt, ...) __printflike(3, 4); + +#define DPRINTF(ctx, dbg, format, ...) \ + libusb_log_va_args(ctx, dbg, format, ##__VA_ARGS__) + +/* internal structures */ + +struct libusb_super_pollfd { + TAILQ_ENTRY(libusb_super_pollfd) entry; + struct libusb20_device *pdev; + struct libusb_pollfd pollfd; +}; + +struct libusb_super_transfer { + TAILQ_ENTRY(libusb_super_transfer) entry; + uint8_t *curr_data; + uint32_t rem_len; + uint32_t last_len; + uint32_t stream_id; + uint8_t state; +#define LIBUSB_SUPER_XFER_ST_NONE 0 +#define LIBUSB_SUPER_XFER_ST_PEND 1 +}; + +struct libusb_hotplug_callback_handle_struct { + TAILQ_ENTRY(libusb_hotplug_callback_handle_struct) entry; + int events; + int vendor; + int product; + int devclass; + libusb_hotplug_callback_fn fn; + void *user_data; +}; + +TAILQ_HEAD(libusb_device_head, libusb_device); + +typedef enum { + usb_event_none, + usb_event_scan, + usb_event_devd, + usb_event_netlink +} usb_event_mode_t; + +struct libusb_context { + int debug; + int debug_fixed; + int event; + int tr_done_ref; + int tr_done_gen; + usb_event_mode_t usb_event_mode; + int devd_pipe; + struct snl_state ss; + + pthread_mutex_t ctx_lock; + pthread_mutex_t hotplug_lock; + pthread_cond_t ctx_cond; + pthread_t hotplug_handler; + pthread_t ctx_handler; +#define NO_THREAD ((pthread_t)-1) + + TAILQ_HEAD(, libusb_super_pollfd) pollfds; + TAILQ_HEAD(, libusb_super_transfer) tr_done; + TAILQ_HEAD(, libusb_hotplug_callback_handle_struct) hotplug_cbh; + struct libusb_device_head hotplug_devs; + + struct libusb_super_pollfd ctx_poll; + + libusb_pollfd_added_cb fd_added_cb; + libusb_pollfd_removed_cb fd_removed_cb; + void *fd_cb_user_data; +}; + +struct libusb_device { + int refcnt; + + int device_is_gone; + + uint32_t claimed_interfaces; + + struct libusb_super_pollfd dev_poll; + + struct libusb_context *ctx; + struct libusb_device *parent_dev; + + TAILQ_ENTRY(libusb_device) hotplug_entry; + + TAILQ_HEAD(, libusb_super_transfer) tr_head; + + struct libusb20_device *os_priv; +}; + +struct libusb_language_context { + const char *lang_name; + /* All error Plus 1 UNKNOWN */ + const char *err_strs[LIBUSB_ERROR_COUNT + 1]; +}; + +extern struct libusb_context *usbi_default_context; + +void libusb10_add_pollfd(libusb_context *ctx, struct libusb_super_pollfd *pollfd, struct libusb20_device *pdev, int fd, short events); +void libusb10_remove_pollfd(libusb_context *ctx, struct libusb_super_pollfd *pollfd); +void libusb10_cancel_all_transfer(libusb_device *dev); +void libusb10_cancel_all_transfer_locked(struct libusb20_device *pdev, struct libusb_device *dev); + +#endif /* __LIBUSB10_H__ */ |