2573 lines
57 KiB
C
2573 lines
57 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2008-2023 Hans Petter Selasky
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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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#ifdef USB_GLOBAL_INCLUDE_FILE
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#include USB_GLOBAL_INCLUDE_FILE
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#else
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#ifdef COMPAT_FREEBSD32
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#include <sys/abi_compat.h>
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#endif
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <sys/conf.h>
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#include <sys/fcntl.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usb_ioctl.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#define USB_DEBUG_VAR ugen_debug
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_dev.h>
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#include <dev/usb/usb_mbuf.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_device.h>
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/usb_request.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_hub.h>
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#include <dev/usb/usb_generic.h>
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#include <dev/usb/usb_transfer.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#endif /* USB_GLOBAL_INCLUDE_FILE */
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#if USB_HAVE_UGEN
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/* defines */
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#define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */
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#define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */
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#define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */
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/* function prototypes */
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static usb_callback_t ugen_read_clear_stall_callback;
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static usb_callback_t ugen_write_clear_stall_callback;
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static usb_callback_t ugen_ctrl_read_callback;
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static usb_callback_t ugen_ctrl_write_callback;
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static usb_callback_t ugen_isoc_read_callback;
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static usb_callback_t ugen_isoc_write_callback;
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static usb_callback_t ugen_ctrl_fs_callback;
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static usb_fifo_open_t ugen_open;
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static usb_fifo_close_t ugen_close;
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static usb_fifo_ioctl_t ugen_ioctl;
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static usb_fifo_ioctl_t ugen_ioctl_post;
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static usb_fifo_cmd_t ugen_start_read;
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static usb_fifo_cmd_t ugen_start_write;
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static usb_fifo_cmd_t ugen_stop_io;
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static int ugen_transfer_setup(struct usb_fifo *,
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const struct usb_config *, uint8_t);
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static int ugen_open_pipe_write(struct usb_fifo *);
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static int ugen_open_pipe_read(struct usb_fifo *);
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static int ugen_set_config(struct usb_fifo *, uint8_t);
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static int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t);
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static int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *);
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static int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *);
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static int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd);
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#ifdef COMPAT_FREEBSD32
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static int ugen_get32(u_long cmd, struct usb_fifo *f, struct usb_gen_descriptor32 *ugd32);
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#endif
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static int ugen_re_enumerate(struct usb_fifo *);
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static int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int);
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static uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *);
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static int ugen_fs_uninit(struct usb_fifo *f);
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static int ugen_fs_copyin(struct usb_fifo *, uint8_t, struct usb_fs_endpoint*);
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static uint8_t ugen_fifo_in_use(struct usb_fifo *, int fflags);
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/* structures */
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struct usb_fifo_methods usb_ugen_methods = {
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.f_open = &ugen_open,
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.f_close = &ugen_close,
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.f_ioctl = &ugen_ioctl,
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.f_ioctl_post = &ugen_ioctl_post,
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.f_start_read = &ugen_start_read,
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.f_stop_read = &ugen_stop_io,
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.f_start_write = &ugen_start_write,
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.f_stop_write = &ugen_stop_io,
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};
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#ifdef USB_DEBUG
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static int ugen_debug = 0;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"USB generic");
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SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RWTUN, &ugen_debug,
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0, "Debug level");
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#endif
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/* prototypes */
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static int
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ugen_transfer_setup(struct usb_fifo *f,
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const struct usb_config *setup, uint8_t n_setup)
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{
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struct usb_endpoint *ep = usb_fifo_softc(f);
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struct usb_device *udev = f->udev;
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uint8_t iface_index = ep->iface_index;
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int error;
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mtx_unlock(f->priv_mtx);
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/*
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* "usbd_transfer_setup()" can sleep so one needs to make a wrapper,
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* exiting the mutex and checking things
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*/
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error = usbd_transfer_setup(udev, &iface_index, f->xfer,
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setup, n_setup, f, f->priv_mtx);
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if (error == 0) {
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if (f->xfer[0]->nframes == 1) {
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error = usb_fifo_alloc_buffer(f,
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f->xfer[0]->max_data_length, 2);
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} else {
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error = usb_fifo_alloc_buffer(f,
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f->xfer[0]->max_frame_size,
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2 * f->xfer[0]->nframes);
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}
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if (error) {
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usbd_transfer_unsetup(f->xfer, n_setup);
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}
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}
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mtx_lock(f->priv_mtx);
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return (error);
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}
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static int
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ugen_open(struct usb_fifo *f, int fflags)
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{
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struct usb_endpoint *ep = usb_fifo_softc(f);
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struct usb_endpoint_descriptor *ed = ep->edesc;
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uint8_t type;
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DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags,
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curthread->td_proc->p_pid, curthread->td_proc->p_comm);
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mtx_lock(f->priv_mtx);
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switch (usbd_get_speed(f->udev)) {
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case USB_SPEED_LOW:
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case USB_SPEED_FULL:
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f->nframes = UGEN_HW_FRAMES;
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f->bufsize = UGEN_BULK_FS_BUFFER_SIZE;
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break;
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default:
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f->nframes = UGEN_HW_FRAMES * 8;
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f->bufsize = UGEN_BULK_HS_BUFFER_SIZE;
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break;
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}
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type = ed->bmAttributes & UE_XFERTYPE;
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if (type == UE_INTERRUPT) {
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f->bufsize = 0; /* use "wMaxPacketSize" */
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}
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f->timeout = USB_NO_TIMEOUT;
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f->flag_short = 0;
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f->fifo_zlp = 0;
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mtx_unlock(f->priv_mtx);
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return (0);
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}
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static void
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ugen_close(struct usb_fifo *f, int fflags)
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{
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DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags,
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curthread->td_proc->p_pid, curthread->td_proc->p_comm);
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/* cleanup */
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mtx_lock(f->priv_mtx);
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usbd_transfer_stop(f->xfer[0]);
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usbd_transfer_stop(f->xfer[1]);
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mtx_unlock(f->priv_mtx);
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usbd_transfer_unsetup(f->xfer, 2);
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usb_fifo_free_buffer(f);
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if (ugen_fs_uninit(f)) {
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/* ignore any errors - we are closing */
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DPRINTFN(6, "no FIFOs\n");
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}
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}
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static int
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ugen_open_pipe_write(struct usb_fifo *f)
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{
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struct usb_config usb_config[2];
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struct usb_endpoint *ep = usb_fifo_softc(f);
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struct usb_endpoint_descriptor *ed = ep->edesc;
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USB_MTX_ASSERT(f->priv_mtx, MA_OWNED);
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if (f->xfer[0] || f->xfer[1]) {
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/* transfers are already opened */
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return (0);
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}
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memset(usb_config, 0, sizeof(usb_config));
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usb_config[1].type = UE_CONTROL;
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usb_config[1].endpoint = 0;
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usb_config[1].direction = UE_DIR_ANY;
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usb_config[1].timeout = 1000; /* 1 second */
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usb_config[1].interval = 50;/* 50 milliseconds */
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usb_config[1].bufsize = sizeof(struct usb_device_request);
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usb_config[1].callback = &ugen_write_clear_stall_callback;
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usb_config[1].usb_mode = USB_MODE_HOST;
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usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
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usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
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usb_config[0].stream_id = 0; /* XXX support more stream ID's */
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usb_config[0].direction = UE_DIR_TX;
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usb_config[0].interval = USB_DEFAULT_INTERVAL;
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usb_config[0].flags.proxy_buffer = 1;
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usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
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switch (ed->bmAttributes & UE_XFERTYPE) {
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case UE_INTERRUPT:
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case UE_BULK:
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if (f->flag_short) {
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usb_config[0].flags.force_short_xfer = 1;
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}
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usb_config[0].callback = &ugen_ctrl_write_callback;
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usb_config[0].timeout = f->timeout;
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usb_config[0].frames = 1;
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usb_config[0].bufsize = f->bufsize;
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if (ugen_transfer_setup(f, usb_config, 2)) {
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return (EIO);
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}
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/* first transfer does not clear stall */
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f->flag_stall = 0;
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break;
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case UE_ISOCHRONOUS:
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usb_config[0].flags.short_xfer_ok = 1;
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usb_config[0].bufsize = 0; /* use default */
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usb_config[0].frames = f->nframes;
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usb_config[0].callback = &ugen_isoc_write_callback;
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usb_config[0].timeout = 0;
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/* clone configuration */
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usb_config[1] = usb_config[0];
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if (ugen_transfer_setup(f, usb_config, 2)) {
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return (EIO);
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}
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break;
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default:
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return (EINVAL);
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}
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return (0);
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}
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static int
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ugen_open_pipe_read(struct usb_fifo *f)
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{
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struct usb_config usb_config[2];
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struct usb_endpoint *ep = usb_fifo_softc(f);
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struct usb_endpoint_descriptor *ed = ep->edesc;
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USB_MTX_ASSERT(f->priv_mtx, MA_OWNED);
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if (f->xfer[0] || f->xfer[1]) {
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/* transfers are already opened */
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return (0);
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}
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memset(usb_config, 0, sizeof(usb_config));
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usb_config[1].type = UE_CONTROL;
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usb_config[1].endpoint = 0;
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usb_config[1].direction = UE_DIR_ANY;
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usb_config[1].timeout = 1000; /* 1 second */
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usb_config[1].interval = 50;/* 50 milliseconds */
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usb_config[1].bufsize = sizeof(struct usb_device_request);
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usb_config[1].callback = &ugen_read_clear_stall_callback;
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usb_config[1].usb_mode = USB_MODE_HOST;
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usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
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usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
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usb_config[0].stream_id = 0; /* XXX support more stream ID's */
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usb_config[0].direction = UE_DIR_RX;
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usb_config[0].interval = USB_DEFAULT_INTERVAL;
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usb_config[0].flags.proxy_buffer = 1;
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usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
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switch (ed->bmAttributes & UE_XFERTYPE) {
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case UE_INTERRUPT:
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case UE_BULK:
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if (f->flag_short) {
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usb_config[0].flags.short_xfer_ok = 1;
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}
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usb_config[0].timeout = f->timeout;
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usb_config[0].frames = 1;
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usb_config[0].callback = &ugen_ctrl_read_callback;
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usb_config[0].bufsize = f->bufsize;
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if (ugen_transfer_setup(f, usb_config, 2)) {
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return (EIO);
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}
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/* first transfer does not clear stall */
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f->flag_stall = 0;
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break;
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case UE_ISOCHRONOUS:
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usb_config[0].flags.short_xfer_ok = 1;
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usb_config[0].bufsize = 0; /* use default */
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usb_config[0].frames = f->nframes;
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usb_config[0].callback = &ugen_isoc_read_callback;
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usb_config[0].timeout = 0;
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/* clone configuration */
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usb_config[1] = usb_config[0];
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if (ugen_transfer_setup(f, usb_config, 2)) {
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return (EIO);
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}
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break;
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default:
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return (EINVAL);
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}
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return (0);
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}
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static void
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ugen_start_read(struct usb_fifo *f)
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{
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/* check that pipes are open */
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if (ugen_open_pipe_read(f)) {
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/* signal error */
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usb_fifo_put_data_error(f);
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}
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/* start transfers */
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usbd_transfer_start(f->xfer[0]);
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usbd_transfer_start(f->xfer[1]);
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}
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static void
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ugen_start_write(struct usb_fifo *f)
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{
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/* check that pipes are open */
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if (ugen_open_pipe_write(f)) {
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/* signal error */
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usb_fifo_get_data_error(f);
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}
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/* start transfers */
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usbd_transfer_start(f->xfer[0]);
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usbd_transfer_start(f->xfer[1]);
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}
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static void
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ugen_stop_io(struct usb_fifo *f)
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{
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/* stop transfers */
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usbd_transfer_stop(f->xfer[0]);
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usbd_transfer_stop(f->xfer[1]);
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}
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static void
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ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
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{
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struct usb_fifo *f = usbd_xfer_softc(xfer);
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struct usb_mbuf *m;
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DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
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switch (USB_GET_STATE(xfer)) {
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case USB_ST_TRANSFERRED:
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if (xfer->actlen == 0) {
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if (f->fifo_zlp != 4) {
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f->fifo_zlp++;
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} else {
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/*
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* Throttle a little bit we have multiple ZLPs
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* in a row!
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*/
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xfer->interval = 64; /* ms */
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}
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} else {
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/* clear throttle */
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xfer->interval = 0;
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f->fifo_zlp = 0;
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}
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usb_fifo_put_data(f, xfer->frbuffers, 0,
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xfer->actlen, 1);
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case USB_ST_SETUP:
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if (f->flag_stall) {
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usbd_transfer_start(f->xfer[1]);
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break;
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}
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USB_IF_POLL(&f->free_q, m);
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if (m) {
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usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
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usbd_transfer_submit(xfer);
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}
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break;
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default: /* Error */
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if (xfer->error != USB_ERR_CANCELLED) {
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/* send a zero length packet to userland */
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usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1);
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f->flag_stall = 1;
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f->fifo_zlp = 0;
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usbd_transfer_start(f->xfer[1]);
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}
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break;
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}
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}
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static void
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ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
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{
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struct usb_fifo *f = usbd_xfer_softc(xfer);
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usb_frlength_t actlen;
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DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
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switch (USB_GET_STATE(xfer)) {
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case USB_ST_SETUP:
|
|
case USB_ST_TRANSFERRED:
|
|
/*
|
|
* If writing is in stall, just jump to clear stall
|
|
* callback and solve the situation.
|
|
*/
|
|
if (f->flag_stall) {
|
|
usbd_transfer_start(f->xfer[1]);
|
|
break;
|
|
}
|
|
/*
|
|
* Write data, setup and perform hardware transfer.
|
|
*/
|
|
if (usb_fifo_get_data(f, xfer->frbuffers, 0,
|
|
xfer->max_data_length, &actlen, 0)) {
|
|
usbd_xfer_set_frame_len(xfer, 0, actlen);
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
f->flag_stall = 1;
|
|
usbd_transfer_start(f->xfer[1]);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct usb_fifo *f = usbd_xfer_softc(xfer);
|
|
struct usb_xfer *xfer_other = f->xfer[0];
|
|
|
|
if (f->flag_stall == 0) {
|
|
/* nothing to do */
|
|
return;
|
|
}
|
|
if (usbd_clear_stall_callback(xfer, xfer_other)) {
|
|
DPRINTFN(5, "f=%p: stall cleared\n", f);
|
|
f->flag_stall = 0;
|
|
usbd_transfer_start(xfer_other);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct usb_fifo *f = usbd_xfer_softc(xfer);
|
|
struct usb_xfer *xfer_other = f->xfer[0];
|
|
|
|
if (f->flag_stall == 0) {
|
|
/* nothing to do */
|
|
return;
|
|
}
|
|
if (usbd_clear_stall_callback(xfer, xfer_other)) {
|
|
DPRINTFN(5, "f=%p: stall cleared\n", f);
|
|
f->flag_stall = 0;
|
|
usbd_transfer_start(xfer_other);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct usb_fifo *f = usbd_xfer_softc(xfer);
|
|
usb_frlength_t offset;
|
|
usb_frcount_t n;
|
|
|
|
DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
DPRINTFN(6, "actlen=%d\n", xfer->actlen);
|
|
|
|
offset = 0;
|
|
|
|
for (n = 0; n != xfer->aframes; n++) {
|
|
usb_fifo_put_data(f, xfer->frbuffers, offset,
|
|
xfer->frlengths[n], 1);
|
|
offset += xfer->max_frame_size;
|
|
}
|
|
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
for (n = 0; n != xfer->nframes; n++) {
|
|
/* setup size for next transfer */
|
|
usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size);
|
|
}
|
|
usbd_transfer_submit(xfer);
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (xfer->error == USB_ERR_CANCELLED) {
|
|
break;
|
|
}
|
|
goto tr_setup;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct usb_fifo *f = usbd_xfer_softc(xfer);
|
|
usb_frlength_t actlen;
|
|
usb_frlength_t offset;
|
|
usb_frcount_t n;
|
|
|
|
DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
offset = 0;
|
|
for (n = 0; n != xfer->nframes; n++) {
|
|
if (usb_fifo_get_data(f, xfer->frbuffers, offset,
|
|
xfer->max_frame_size, &actlen, 1)) {
|
|
usbd_xfer_set_frame_len(xfer, n, actlen);
|
|
offset += actlen;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (; n != xfer->nframes; n++) {
|
|
/* fill in zero frames */
|
|
usbd_xfer_set_frame_len(xfer, n, 0);
|
|
}
|
|
usbd_transfer_submit(xfer);
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (xfer->error == USB_ERR_CANCELLED) {
|
|
break;
|
|
}
|
|
goto tr_setup;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ugen_set_config(struct usb_fifo *f, uint8_t index)
|
|
{
|
|
DPRINTFN(2, "index %u\n", index);
|
|
|
|
if (f->udev->flags.usb_mode != USB_MODE_HOST) {
|
|
/* not possible in device side mode */
|
|
return (ENOTTY);
|
|
}
|
|
|
|
/* make sure all FIFO's are gone */
|
|
/* else there can be a deadlock */
|
|
if (ugen_fs_uninit(f)) {
|
|
/* ignore any errors */
|
|
DPRINTFN(6, "no FIFOs\n");
|
|
}
|
|
|
|
if (usbd_start_set_config(f->udev, index) != 0)
|
|
return (EIO);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_set_interface(struct usb_fifo *f,
|
|
uint8_t iface_index, uint8_t alt_index)
|
|
{
|
|
DPRINTFN(2, "%u, %u\n", iface_index, alt_index);
|
|
|
|
if (f->udev->flags.usb_mode != USB_MODE_HOST) {
|
|
/* not possible in device side mode */
|
|
return (ENOTTY);
|
|
}
|
|
/* make sure all FIFO's are gone */
|
|
/* else there can be a deadlock */
|
|
if (ugen_fs_uninit(f)) {
|
|
/* ignore any errors */
|
|
DPRINTFN(6, "no FIFOs\n");
|
|
}
|
|
/* change setting - will free generic FIFOs, if any */
|
|
if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) {
|
|
return (EIO);
|
|
}
|
|
/* probe and attach */
|
|
if (usb_probe_and_attach(f->udev, iface_index)) {
|
|
return (EIO);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* ugen_get_cdesc
|
|
*
|
|
* This function will retrieve the complete configuration descriptor
|
|
* at the given index.
|
|
*------------------------------------------------------------------------*/
|
|
static int
|
|
ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
|
|
{
|
|
struct usb_config_descriptor *cdesc;
|
|
struct usb_device *udev = f->udev;
|
|
int error;
|
|
uint16_t len;
|
|
uint8_t free_data;
|
|
|
|
DPRINTFN(6, "\n");
|
|
|
|
if (ugd->ugd_data == NULL) {
|
|
/* userland pointer should not be zero */
|
|
return (EINVAL);
|
|
}
|
|
if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) ||
|
|
(ugd->ugd_config_index == udev->curr_config_index)) {
|
|
cdesc = usbd_get_config_descriptor(udev);
|
|
if (cdesc == NULL)
|
|
return (ENXIO);
|
|
free_data = 0;
|
|
|
|
} else {
|
|
#if (USB_HAVE_FIXED_CONFIG == 0)
|
|
if (usbd_req_get_config_desc_full(udev,
|
|
NULL, &cdesc, ugd->ugd_config_index)) {
|
|
return (ENXIO);
|
|
}
|
|
free_data = 1;
|
|
#else
|
|
/* configuration descriptor data is shared */
|
|
return (EINVAL);
|
|
#endif
|
|
}
|
|
|
|
len = UGETW(cdesc->wTotalLength);
|
|
if (len > ugd->ugd_maxlen) {
|
|
len = ugd->ugd_maxlen;
|
|
}
|
|
DPRINTFN(6, "len=%u\n", len);
|
|
|
|
ugd->ugd_actlen = len;
|
|
ugd->ugd_offset = 0;
|
|
|
|
error = copyout(cdesc, ugd->ugd_data, len);
|
|
|
|
if (free_data)
|
|
usbd_free_config_desc(udev, cdesc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
|
|
{
|
|
void *ptr;
|
|
uint16_t size;
|
|
int error;
|
|
uint8_t do_unlock;
|
|
|
|
/* Protect scratch area */
|
|
do_unlock = usbd_ctrl_lock(f->udev);
|
|
|
|
ptr = f->udev->scratch.data;
|
|
size = sizeof(f->udev->scratch.data);
|
|
|
|
if (usbd_req_get_string_desc(f->udev, NULL, ptr,
|
|
size, ugd->ugd_lang_id, ugd->ugd_string_index)) {
|
|
error = EINVAL;
|
|
} else {
|
|
if (size > ((uint8_t *)ptr)[0]) {
|
|
size = ((uint8_t *)ptr)[0];
|
|
}
|
|
if (size > ugd->ugd_maxlen) {
|
|
size = ugd->ugd_maxlen;
|
|
}
|
|
ugd->ugd_actlen = size;
|
|
ugd->ugd_offset = 0;
|
|
|
|
error = copyout(ptr, ugd->ugd_data, size);
|
|
}
|
|
if (do_unlock)
|
|
usbd_ctrl_unlock(f->udev);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* ugen_get_iface_driver
|
|
*
|
|
* This function generates an USB interface description for userland.
|
|
*
|
|
* Returns:
|
|
* 0: Success
|
|
* Else: Failure
|
|
*------------------------------------------------------------------------*/
|
|
static int
|
|
ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
|
|
{
|
|
struct usb_device *udev = f->udev;
|
|
struct usb_interface *iface;
|
|
const char *ptr;
|
|
const char *desc;
|
|
unsigned len;
|
|
unsigned maxlen;
|
|
char buf[128];
|
|
int error;
|
|
|
|
DPRINTFN(6, "\n");
|
|
|
|
if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) {
|
|
/* userland pointer should not be zero */
|
|
return (EINVAL);
|
|
}
|
|
|
|
iface = usbd_get_iface(udev, ugd->ugd_iface_index);
|
|
if ((iface == NULL) || (iface->idesc == NULL)) {
|
|
/* invalid interface index */
|
|
return (EINVAL);
|
|
}
|
|
|
|
/* read out device nameunit string, if any */
|
|
if ((iface->subdev != NULL) &&
|
|
device_is_attached(iface->subdev) &&
|
|
(ptr = device_get_nameunit(iface->subdev)) &&
|
|
(desc = device_get_desc(iface->subdev))) {
|
|
/* print description */
|
|
snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc);
|
|
|
|
/* range checks */
|
|
maxlen = ugd->ugd_maxlen - 1;
|
|
len = strlen(buf);
|
|
if (len > maxlen)
|
|
len = maxlen;
|
|
|
|
/* update actual length, including terminating zero */
|
|
ugd->ugd_actlen = len + 1;
|
|
|
|
/* copy out interface description */
|
|
error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen);
|
|
} else {
|
|
/* zero length string is default */
|
|
error = copyout("", ugd->ugd_data, 1);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* ugen_fill_deviceinfo
|
|
*
|
|
* This function dumps information about an USB device to the
|
|
* structure pointed to by the "di" argument.
|
|
*
|
|
* Returns:
|
|
* 0: Success
|
|
* Else: Failure
|
|
*------------------------------------------------------------------------*/
|
|
int
|
|
ugen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di)
|
|
{
|
|
struct usb_device *udev;
|
|
struct usb_device *hub;
|
|
|
|
udev = f->udev;
|
|
|
|
bzero(di, sizeof(di[0]));
|
|
|
|
di->udi_bus = device_get_unit(udev->bus->bdev);
|
|
di->udi_addr = udev->address;
|
|
di->udi_index = udev->device_index;
|
|
strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial));
|
|
strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor));
|
|
strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product));
|
|
usb_printbcd(di->udi_release, sizeof(di->udi_release),
|
|
UGETW(udev->ddesc.bcdDevice));
|
|
di->udi_vendorNo = UGETW(udev->ddesc.idVendor);
|
|
di->udi_productNo = UGETW(udev->ddesc.idProduct);
|
|
di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice);
|
|
di->udi_class = udev->ddesc.bDeviceClass;
|
|
di->udi_subclass = udev->ddesc.bDeviceSubClass;
|
|
di->udi_protocol = udev->ddesc.bDeviceProtocol;
|
|
di->udi_config_no = udev->curr_config_no;
|
|
di->udi_config_index = udev->curr_config_index;
|
|
di->udi_power = udev->flags.self_powered ? 0 : udev->power;
|
|
di->udi_speed = udev->speed;
|
|
di->udi_mode = udev->flags.usb_mode;
|
|
di->udi_power_mode = udev->power_mode;
|
|
di->udi_suspended = udev->flags.peer_suspended;
|
|
|
|
hub = udev->parent_hub;
|
|
if (hub) {
|
|
di->udi_hubaddr = hub->address;
|
|
di->udi_hubindex = hub->device_index;
|
|
di->udi_hubport = udev->port_no;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur)
|
|
{
|
|
int error;
|
|
uint16_t len;
|
|
uint16_t actlen;
|
|
|
|
if (usb_check_request(f->udev, &ur->ucr_request)) {
|
|
return (EPERM);
|
|
}
|
|
len = UGETW(ur->ucr_request.wLength);
|
|
|
|
/* check if "ucr_data" is valid */
|
|
if (len != 0) {
|
|
if (ur->ucr_data == NULL) {
|
|
return (EFAULT);
|
|
}
|
|
}
|
|
/* do the USB request */
|
|
error = usbd_do_request_flags
|
|
(f->udev, NULL, &ur->ucr_request, ur->ucr_data,
|
|
(ur->ucr_flags & USB_SHORT_XFER_OK) |
|
|
USB_USER_DATA_PTR, &actlen,
|
|
USB_DEFAULT_TIMEOUT);
|
|
|
|
ur->ucr_actlen = actlen;
|
|
|
|
if (error) {
|
|
error = EIO;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
static int
|
|
ugen_do_request32(struct usb_fifo *f, struct usb_ctl_request32 *ur32)
|
|
{
|
|
struct usb_ctl_request ur;
|
|
int error;
|
|
|
|
PTRIN_CP(*ur32, ur, ucr_data);
|
|
CP(*ur32, ur, ucr_flags);
|
|
CP(*ur32, ur, ucr_actlen);
|
|
CP(*ur32, ur, ucr_addr);
|
|
CP(*ur32, ur, ucr_request);
|
|
|
|
error = ugen_do_request(f, &ur);
|
|
|
|
/* Don't update ucr_data pointer */
|
|
CP(ur, *ur32, ucr_flags);
|
|
CP(ur, *ur32, ucr_actlen);
|
|
CP(ur, *ur32, ucr_addr);
|
|
CP(ur, *ur32, ucr_request);
|
|
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
/*------------------------------------------------------------------------
|
|
* ugen_re_enumerate
|
|
*------------------------------------------------------------------------*/
|
|
static int
|
|
ugen_re_enumerate(struct usb_fifo *f)
|
|
{
|
|
struct usb_device *udev = f->udev;
|
|
int error;
|
|
|
|
/*
|
|
* This request can be useful for testing USB drivers:
|
|
*/
|
|
error = priv_check(curthread, PRIV_DRIVER);
|
|
if (error) {
|
|
return (error);
|
|
}
|
|
if (udev->flags.usb_mode != USB_MODE_HOST) {
|
|
/* not possible in device side mode */
|
|
DPRINTFN(6, "device mode\n");
|
|
return (ENOTTY);
|
|
}
|
|
/* make sure all FIFO's are gone */
|
|
/* else there can be a deadlock */
|
|
if (ugen_fs_uninit(f)) {
|
|
/* ignore any errors */
|
|
DPRINTFN(6, "no FIFOs\n");
|
|
}
|
|
/* start re-enumeration of device */
|
|
usbd_start_re_enumerate(udev);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_fs_init(struct usb_fifo *f,
|
|
struct usb_fs_endpoint *fs_ep_ptr, usb_size_t fs_ep_sz,
|
|
int fflags, uint8_t ep_index_max)
|
|
{
|
|
int error;
|
|
|
|
/* verify input parameters */
|
|
if (fs_ep_ptr == NULL || ep_index_max > USB_FS_XFER_MAX)
|
|
return (EINVAL);
|
|
|
|
if (f->fs_ep_max != 0)
|
|
return (EBUSY);
|
|
|
|
if (f->dev_ep_index != 0 || ep_index_max == 0)
|
|
return (EINVAL);
|
|
|
|
if (ugen_fifo_in_use(f, fflags))
|
|
return (EBUSY);
|
|
|
|
error = usb_fifo_alloc_buffer(f, 1, ep_index_max);
|
|
if (error == 0) {
|
|
mtx_lock(f->priv_mtx);
|
|
f->fs_ep_max = ep_index_max;
|
|
f->fs_ep_ptr = fs_ep_ptr;
|
|
f->fs_ep_sz = fs_ep_sz;
|
|
mtx_unlock(f->priv_mtx);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
ugen_fs_uninit(struct usb_fifo *f)
|
|
{
|
|
if (f->fs_ep_max == 0)
|
|
return (EINVAL);
|
|
|
|
/*
|
|
* Prevent calls into the fast-path code, by setting fs_ep_max
|
|
* to zero:
|
|
*/
|
|
sx_xlock(&f->fs_fastpath_lock);
|
|
mtx_lock(f->priv_mtx);
|
|
f->fs_ep_max = 0;
|
|
mtx_unlock(f->priv_mtx);
|
|
sx_xunlock(&f->fs_fastpath_lock);
|
|
|
|
usbd_transfer_unsetup(f->fs_xfer, USB_FS_XFER_MAX);
|
|
|
|
mtx_lock(f->priv_mtx);
|
|
f->fs_ep_ptr = NULL;
|
|
f->flag_iscomplete = 0;
|
|
mtx_unlock(f->priv_mtx);
|
|
|
|
usb_fifo_free_buffer(f);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
usb_fs_open(struct usb_fifo *f, struct usb_fs_open *popen,
|
|
int fflags, usb_stream_t stream_id)
|
|
{
|
|
struct usb_config usb_config[1] = {};
|
|
struct usb_endpoint *ep;
|
|
struct usb_endpoint_descriptor *ed;
|
|
uint8_t iface_index;
|
|
uint8_t pre_scale;
|
|
uint8_t isread;
|
|
int error;
|
|
|
|
if (popen->ep_index >= f->fs_ep_max)
|
|
return (EINVAL);
|
|
|
|
if (f->fs_xfer[popen->ep_index] != NULL)
|
|
return (EBUSY);
|
|
|
|
if (popen->max_bufsize > USB_FS_MAX_BUFSIZE)
|
|
popen->max_bufsize = USB_FS_MAX_BUFSIZE;
|
|
|
|
if (popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) {
|
|
pre_scale = 1;
|
|
popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE;
|
|
} else {
|
|
pre_scale = 0;
|
|
}
|
|
|
|
if (popen->max_frames > USB_FS_MAX_FRAMES)
|
|
popen->max_frames = USB_FS_MAX_FRAMES;
|
|
|
|
if (popen->max_frames == 0)
|
|
return (EINVAL);
|
|
|
|
ep = usbd_get_ep_by_addr(f->udev, popen->ep_no);
|
|
if (ep == NULL)
|
|
return (EINVAL);
|
|
|
|
ed = ep->edesc;
|
|
if (ed == NULL)
|
|
return (ENXIO);
|
|
|
|
iface_index = ep->iface_index;
|
|
|
|
usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
|
|
usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
|
|
usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN);
|
|
usb_config[0].interval = USB_DEFAULT_INTERVAL;
|
|
usb_config[0].flags.proxy_buffer = 1;
|
|
if (pre_scale != 0)
|
|
usb_config[0].flags.pre_scale_frames = 1;
|
|
|
|
usb_config[0].callback = &ugen_ctrl_fs_callback;
|
|
usb_config[0].timeout = 0; /* no timeout */
|
|
usb_config[0].frames = popen->max_frames;
|
|
usb_config[0].bufsize = popen->max_bufsize;
|
|
usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
|
|
usb_config[0].stream_id = stream_id;
|
|
|
|
if (usb_config[0].type == UE_CONTROL) {
|
|
if (f->udev->flags.usb_mode != USB_MODE_HOST)
|
|
return (EINVAL);
|
|
} else {
|
|
isread = ((usb_config[0].endpoint &
|
|
(UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN);
|
|
|
|
if (f->udev->flags.usb_mode != USB_MODE_HOST)
|
|
isread = !isread;
|
|
|
|
/* check permissions */
|
|
if (isread) {
|
|
if (!(fflags & FREAD))
|
|
return (EPERM);
|
|
} else {
|
|
if (!(fflags & FWRITE))
|
|
return (EPERM);
|
|
}
|
|
}
|
|
error = usbd_transfer_setup(f->udev, &iface_index,
|
|
f->fs_xfer + popen->ep_index, usb_config, 1,
|
|
f, f->priv_mtx);
|
|
if (error == 0) {
|
|
/* update maximums */
|
|
popen->max_packet_length =
|
|
f->fs_xfer[popen->ep_index]->max_frame_size;
|
|
popen->max_bufsize =
|
|
f->fs_xfer[popen->ep_index]->max_data_length;
|
|
/* update number of frames */
|
|
popen->max_frames =
|
|
f->fs_xfer[popen->ep_index]->nframes;
|
|
/* store index of endpoint */
|
|
f->fs_xfer[popen->ep_index]->priv_fifo =
|
|
((uint8_t *)0) + popen->ep_index;
|
|
} else {
|
|
error = ENOMEM;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
usb_fs_close(struct usb_fifo *f, struct usb_fs_close *pclose)
|
|
{
|
|
struct usb_xfer *xfer;
|
|
|
|
if (pclose->ep_index >= f->fs_ep_max)
|
|
return (EINVAL);
|
|
|
|
/*
|
|
* Prevent calls into the fast-path code, by setting the
|
|
* fs_xfer[] in question to NULL:
|
|
*/
|
|
sx_xlock(&f->fs_fastpath_lock);
|
|
mtx_lock(f->priv_mtx);
|
|
xfer = f->fs_xfer[pclose->ep_index];
|
|
f->fs_xfer[pclose->ep_index] = NULL;
|
|
mtx_unlock(f->priv_mtx);
|
|
sx_xunlock(&f->fs_fastpath_lock);
|
|
|
|
if (xfer == NULL)
|
|
return (EINVAL);
|
|
|
|
usbd_transfer_unsetup(&xfer, 1);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
usb_fs_clear_stall_sync(struct usb_fifo *f, struct usb_fs_clear_stall_sync *pstall)
|
|
{
|
|
struct usb_device_request req;
|
|
struct usb_endpoint *ep;
|
|
int error;
|
|
|
|
if (pstall->ep_index >= f->fs_ep_max)
|
|
return (EINVAL);
|
|
|
|
if (f->fs_xfer[pstall->ep_index] == NULL)
|
|
return (EINVAL);
|
|
|
|
if (f->udev->flags.usb_mode != USB_MODE_HOST)
|
|
return (EINVAL);
|
|
|
|
mtx_lock(f->priv_mtx);
|
|
error = usbd_transfer_pending(f->fs_xfer[pstall->ep_index]);
|
|
mtx_unlock(f->priv_mtx);
|
|
|
|
if (error)
|
|
return (EBUSY);
|
|
|
|
ep = f->fs_xfer[pstall->ep_index]->endpoint;
|
|
|
|
/* setup a clear-stall packet */
|
|
req.bmRequestType = UT_WRITE_ENDPOINT;
|
|
req.bRequest = UR_CLEAR_FEATURE;
|
|
USETW(req.wValue, UF_ENDPOINT_HALT);
|
|
req.wIndex[0] = ep->edesc->bEndpointAddress;
|
|
req.wIndex[1] = 0;
|
|
USETW(req.wLength, 0);
|
|
|
|
error = usbd_do_request(f->udev, NULL, &req, NULL);
|
|
if (error == 0) {
|
|
usbd_clear_data_toggle(f->udev, ep);
|
|
} else {
|
|
error = ENXIO;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static uint8_t
|
|
ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex)
|
|
{
|
|
struct usb_mbuf *m;
|
|
|
|
USB_IF_DEQUEUE(&f->used_q, m);
|
|
|
|
if (m) {
|
|
*pindex = *((uint8_t *)(m->cur_data_ptr));
|
|
|
|
USB_IF_ENQUEUE(&f->free_q, m);
|
|
|
|
return (0); /* success */
|
|
} else {
|
|
*pindex = 0; /* fix compiler warning */
|
|
|
|
f->flag_iscomplete = 0;
|
|
}
|
|
return (1); /* failure */
|
|
}
|
|
|
|
static void
|
|
ugen_fs_set_complete(struct usb_fifo *f, uint8_t index)
|
|
{
|
|
struct usb_mbuf *m;
|
|
|
|
USB_IF_DEQUEUE(&f->free_q, m);
|
|
|
|
if (m == NULL) {
|
|
/* can happen during close */
|
|
DPRINTF("out of buffers\n");
|
|
return;
|
|
}
|
|
USB_MBUF_RESET(m);
|
|
|
|
*((uint8_t *)(m->cur_data_ptr)) = index;
|
|
|
|
USB_IF_ENQUEUE(&f->used_q, m);
|
|
|
|
f->flag_iscomplete = 1;
|
|
|
|
usb_fifo_wakeup(f);
|
|
}
|
|
|
|
static int
|
|
ugen_fs_getbuffer(void **uptrp, struct usb_fifo *f, void *buffer,
|
|
usb_frcount_t n)
|
|
{
|
|
union {
|
|
void **ppBuffer;
|
|
#ifdef COMPAT_FREEBSD32
|
|
uint32_t *ppBuffer32;
|
|
#endif
|
|
} u;
|
|
#ifdef COMPAT_FREEBSD32
|
|
uint32_t uptr32;
|
|
#endif
|
|
|
|
u.ppBuffer = buffer;
|
|
switch (f->fs_ep_sz) {
|
|
case sizeof(struct usb_fs_endpoint):
|
|
if (fueword(u.ppBuffer + n, (long *)uptrp) != 0)
|
|
return (EFAULT);
|
|
return (0);
|
|
#ifdef COMPAT_FREEBSD32
|
|
case sizeof(struct usb_fs_endpoint32):
|
|
if (fueword32(u.ppBuffer32 + n, &uptr32) != 0)
|
|
return (EFAULT);
|
|
*uptrp = PTRIN(uptr32);
|
|
return (0);
|
|
#endif
|
|
default:
|
|
panic("%s: unhandled fs_ep_sz %#x", __func__, f->fs_ep_sz);
|
|
}
|
|
}
|
|
|
|
static int
|
|
ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index)
|
|
{
|
|
struct usb_device_request *req;
|
|
struct usb_xfer *xfer;
|
|
struct usb_fs_endpoint fs_ep;
|
|
void *uaddr; /* userland pointer */
|
|
void *kaddr;
|
|
usb_frlength_t offset;
|
|
usb_frlength_t rem;
|
|
usb_frcount_t n;
|
|
uint32_t length;
|
|
int error;
|
|
uint8_t isread;
|
|
|
|
mtx_lock(f->priv_mtx);
|
|
if (ep_index >= f->fs_ep_max) {
|
|
mtx_unlock(f->priv_mtx);
|
|
return (EINVAL);
|
|
}
|
|
xfer = f->fs_xfer[ep_index];
|
|
if (xfer == NULL) {
|
|
mtx_unlock(f->priv_mtx);
|
|
return (EINVAL);
|
|
}
|
|
if (usbd_transfer_pending(xfer)) {
|
|
mtx_unlock(f->priv_mtx);
|
|
return (EBUSY); /* should not happen */
|
|
}
|
|
mtx_unlock(f->priv_mtx);
|
|
|
|
error = ugen_fs_copyin(f, ep_index, &fs_ep);
|
|
if (error) {
|
|
return (error);
|
|
}
|
|
/* security checks */
|
|
|
|
if (fs_ep.nFrames > xfer->max_frame_count) {
|
|
xfer->error = USB_ERR_INVAL;
|
|
goto complete;
|
|
}
|
|
if (fs_ep.nFrames == 0) {
|
|
xfer->error = USB_ERR_INVAL;
|
|
goto complete;
|
|
}
|
|
error = ugen_fs_getbuffer(&uaddr, f, fs_ep.ppBuffer, 0);
|
|
if (error) {
|
|
return (error);
|
|
}
|
|
/* reset first frame */
|
|
usbd_xfer_set_frame_offset(xfer, 0, 0);
|
|
|
|
if (xfer->flags_int.control_xfr) {
|
|
req = xfer->frbuffers[0].buffer;
|
|
|
|
if (fueword32(fs_ep.pLength, &length) != 0) {
|
|
return (EFAULT);
|
|
}
|
|
if (length != sizeof(*req)) {
|
|
xfer->error = USB_ERR_INVAL;
|
|
goto complete;
|
|
}
|
|
if (length != 0) {
|
|
error = copyin(uaddr, req, length);
|
|
if (error) {
|
|
return (error);
|
|
}
|
|
}
|
|
if (usb_check_request(f->udev, req)) {
|
|
xfer->error = USB_ERR_INVAL;
|
|
goto complete;
|
|
}
|
|
usbd_xfer_set_frame_len(xfer, 0, length);
|
|
|
|
/* Host mode only ! */
|
|
if ((req->bmRequestType &
|
|
(UT_READ | UT_WRITE)) == UT_READ) {
|
|
isread = 1;
|
|
} else {
|
|
isread = 0;
|
|
}
|
|
n = 1;
|
|
offset = sizeof(*req);
|
|
|
|
} else {
|
|
/* Device and Host mode */
|
|
if (USB_GET_DATA_ISREAD(xfer)) {
|
|
isread = 1;
|
|
} else {
|
|
isread = 0;
|
|
}
|
|
n = 0;
|
|
offset = 0;
|
|
}
|
|
|
|
rem = usbd_xfer_max_len(xfer);
|
|
xfer->nframes = fs_ep.nFrames;
|
|
xfer->timeout = fs_ep.timeout;
|
|
if (xfer->timeout > 65535) {
|
|
xfer->timeout = 65535;
|
|
}
|
|
if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK)
|
|
xfer->flags.short_xfer_ok = 1;
|
|
else
|
|
xfer->flags.short_xfer_ok = 0;
|
|
|
|
if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK)
|
|
xfer->flags.short_frames_ok = 1;
|
|
else
|
|
xfer->flags.short_frames_ok = 0;
|
|
|
|
if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT)
|
|
xfer->flags.force_short_xfer = 1;
|
|
else
|
|
xfer->flags.force_short_xfer = 0;
|
|
|
|
if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL)
|
|
usbd_xfer_set_stall(xfer);
|
|
else
|
|
xfer->flags.stall_pipe = 0;
|
|
|
|
for (; n != xfer->nframes; n++) {
|
|
if (fueword32(fs_ep.pLength + n, &length) != 0) {
|
|
break;
|
|
}
|
|
usbd_xfer_set_frame_len(xfer, n, length);
|
|
|
|
if (length > rem) {
|
|
xfer->error = USB_ERR_INVAL;
|
|
goto complete;
|
|
}
|
|
rem -= length;
|
|
|
|
if (!isread) {
|
|
/* we need to know the source buffer */
|
|
error = ugen_fs_getbuffer(&uaddr, f, fs_ep.ppBuffer, n);
|
|
if (error) {
|
|
break;
|
|
}
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
/* get kernel buffer address */
|
|
kaddr = xfer->frbuffers[0].buffer;
|
|
kaddr = USB_ADD_BYTES(kaddr, offset);
|
|
} else {
|
|
/* set current frame offset */
|
|
usbd_xfer_set_frame_offset(xfer, offset, n);
|
|
|
|
/* get kernel buffer address */
|
|
kaddr = xfer->frbuffers[n].buffer;
|
|
}
|
|
|
|
/* move data */
|
|
error = copyin(uaddr, kaddr, length);
|
|
if (error) {
|
|
break;
|
|
}
|
|
}
|
|
offset += length;
|
|
}
|
|
return (error);
|
|
|
|
complete:
|
|
mtx_lock(f->priv_mtx);
|
|
ugen_fs_set_complete(f, ep_index);
|
|
mtx_unlock(f->priv_mtx);
|
|
return (0);
|
|
}
|
|
|
|
static struct usb_fs_endpoint *
|
|
ugen_fs_ep_uptr(struct usb_fifo *f, uint8_t ep_index)
|
|
{
|
|
return ((struct usb_fs_endpoint *)
|
|
((char *)f->fs_ep_ptr + (ep_index * f->fs_ep_sz)));
|
|
}
|
|
|
|
static int
|
|
ugen_fs_copyin(struct usb_fifo *f, uint8_t ep_index,
|
|
struct usb_fs_endpoint* fs_ep)
|
|
{
|
|
#ifdef COMPAT_FREEBSD32
|
|
struct usb_fs_endpoint32 fs_ep32;
|
|
#endif
|
|
int error;
|
|
|
|
switch (f->fs_ep_sz) {
|
|
case sizeof(struct usb_fs_endpoint):
|
|
error = copyin(ugen_fs_ep_uptr(f, ep_index), fs_ep,
|
|
f->fs_ep_sz);
|
|
if (error != 0)
|
|
return (error);
|
|
break;
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
case sizeof(struct usb_fs_endpoint32):
|
|
error = copyin(ugen_fs_ep_uptr(f, ep_index), &fs_ep32,
|
|
f->fs_ep_sz);
|
|
if (error != 0)
|
|
return (error);
|
|
PTRIN_CP(fs_ep32, *fs_ep, ppBuffer);
|
|
PTRIN_CP(fs_ep32, *fs_ep, pLength);
|
|
CP(fs_ep32, *fs_ep, nFrames);
|
|
CP(fs_ep32, *fs_ep, aFrames);
|
|
CP(fs_ep32, *fs_ep, flags);
|
|
CP(fs_ep32, *fs_ep, timeout);
|
|
CP(fs_ep32, *fs_ep, isoc_time_complete);
|
|
CP(fs_ep32, *fs_ep, status);
|
|
break;
|
|
#endif
|
|
default:
|
|
panic("%s: unhandled fs_ep_sz %#x", __func__, f->fs_ep_sz);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_fs_update(const struct usb_fs_endpoint *fs_ep,
|
|
struct usb_fifo *f, uint8_t ep_index)
|
|
{
|
|
union {
|
|
struct usb_fs_endpoint *fs_ep_uptr;
|
|
#ifdef COMPAT_FREEBSD32
|
|
struct usb_fs_endpoint32 *fs_ep_uptr32;
|
|
#endif
|
|
} u;
|
|
uint32_t *aFrames_uptr;
|
|
uint16_t *isoc_time_complete_uptr;
|
|
int *status_uptr;
|
|
|
|
switch (f->fs_ep_sz) {
|
|
case sizeof(struct usb_fs_endpoint):
|
|
u.fs_ep_uptr = ugen_fs_ep_uptr(f, ep_index);
|
|
aFrames_uptr = &u.fs_ep_uptr->aFrames;
|
|
isoc_time_complete_uptr = &u.fs_ep_uptr->isoc_time_complete;
|
|
status_uptr = &u.fs_ep_uptr->status;
|
|
break;
|
|
#ifdef COMPAT_FREEBSD32
|
|
case sizeof(struct usb_fs_endpoint32):
|
|
u.fs_ep_uptr32 = (struct usb_fs_endpoint32 *)
|
|
ugen_fs_ep_uptr(f, ep_index);
|
|
aFrames_uptr = &u.fs_ep_uptr32->aFrames;
|
|
isoc_time_complete_uptr = &u.fs_ep_uptr32->isoc_time_complete;
|
|
status_uptr = &u.fs_ep_uptr32->status;
|
|
break;
|
|
#endif
|
|
default:
|
|
panic("%s: unhandled fs_ep_sz %#x", __func__, f->fs_ep_sz);
|
|
}
|
|
|
|
/* update "aFrames" */
|
|
if (suword32(aFrames_uptr, fs_ep->aFrames) != 0)
|
|
return (EFAULT);
|
|
|
|
/* update "isoc_time_complete" */
|
|
if (suword16(isoc_time_complete_uptr, fs_ep->isoc_time_complete) != 0)
|
|
return (EFAULT);
|
|
|
|
/* update "status" */
|
|
if (suword32(status_uptr, fs_ep->status) != 0)
|
|
return (EFAULT);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_fs_copy_out_cancelled(struct usb_fifo *f, uint8_t ep_index)
|
|
{
|
|
struct usb_fs_endpoint fs_ep;
|
|
int error;
|
|
|
|
error = ugen_fs_copyin(f, ep_index, &fs_ep);
|
|
if (error)
|
|
return (error);
|
|
|
|
fs_ep.status = USB_ERR_CANCELLED;
|
|
fs_ep.aFrames = 0;
|
|
fs_ep.isoc_time_complete = 0;
|
|
|
|
return (ugen_fs_update(&fs_ep, f, ep_index));
|
|
}
|
|
|
|
static int
|
|
ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index)
|
|
{
|
|
struct usb_device_request *req;
|
|
struct usb_xfer *xfer;
|
|
struct usb_fs_endpoint fs_ep;
|
|
void *uaddr; /* userland ptr */
|
|
void *kaddr;
|
|
usb_frlength_t offset;
|
|
usb_frlength_t rem;
|
|
usb_frcount_t n;
|
|
uint32_t length;
|
|
uint32_t temp;
|
|
int error;
|
|
uint8_t isread;
|
|
|
|
mtx_lock(f->priv_mtx);
|
|
if (ep_index >= f->fs_ep_max) {
|
|
mtx_unlock(f->priv_mtx);
|
|
return (EINVAL);
|
|
}
|
|
xfer = f->fs_xfer[ep_index];
|
|
if (xfer == NULL) {
|
|
mtx_unlock(f->priv_mtx);
|
|
return (EINVAL);
|
|
}
|
|
if (!xfer->flags_int.transferring &&
|
|
!xfer->flags_int.started) {
|
|
mtx_unlock(f->priv_mtx);
|
|
DPRINTF("Returning fake cancel event\n");
|
|
return (ugen_fs_copy_out_cancelled(f, ep_index));
|
|
} else if (usbd_transfer_pending(xfer)) {
|
|
mtx_unlock(f->priv_mtx);
|
|
return (EBUSY); /* should not happen */
|
|
}
|
|
mtx_unlock(f->priv_mtx);
|
|
|
|
error = ugen_fs_copyin(f, ep_index, &fs_ep);
|
|
if (error) {
|
|
return (error);
|
|
}
|
|
|
|
fs_ep.status = xfer->error;
|
|
fs_ep.aFrames = xfer->aframes;
|
|
fs_ep.isoc_time_complete = xfer->isoc_time_complete;
|
|
if (xfer->error) {
|
|
goto complete;
|
|
}
|
|
if (xfer->flags_int.control_xfr) {
|
|
req = xfer->frbuffers[0].buffer;
|
|
|
|
/* Host mode only ! */
|
|
if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) {
|
|
isread = 1;
|
|
} else {
|
|
isread = 0;
|
|
}
|
|
if (xfer->nframes == 0)
|
|
n = 0; /* should never happen */
|
|
else
|
|
n = 1;
|
|
} else {
|
|
/* Device and Host mode */
|
|
if (USB_GET_DATA_ISREAD(xfer)) {
|
|
isread = 1;
|
|
} else {
|
|
isread = 0;
|
|
}
|
|
n = 0;
|
|
}
|
|
|
|
/* Update lengths and copy out data */
|
|
|
|
rem = usbd_xfer_max_len(xfer);
|
|
offset = 0;
|
|
|
|
for (; n != xfer->nframes; n++) {
|
|
/* get initial length into "temp" */
|
|
if (fueword32(fs_ep.pLength + n, &temp) != 0) {
|
|
return (EFAULT);
|
|
}
|
|
if (temp > rem) {
|
|
/* the userland length has been corrupted */
|
|
DPRINTF("corrupt userland length "
|
|
"%u > %u\n", temp, rem);
|
|
fs_ep.status = USB_ERR_INVAL;
|
|
goto complete;
|
|
}
|
|
rem -= temp;
|
|
|
|
/* get actual transfer length */
|
|
length = xfer->frlengths[n];
|
|
if (length > temp) {
|
|
/* data overflow */
|
|
fs_ep.status = USB_ERR_INVAL;
|
|
DPRINTF("data overflow %u > %u\n",
|
|
length, temp);
|
|
goto complete;
|
|
}
|
|
if (isread) {
|
|
/* we need to know the destination buffer */
|
|
error = ugen_fs_getbuffer(&uaddr, f, fs_ep.ppBuffer, n);
|
|
if (error) {
|
|
return (error);
|
|
}
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
/* only one frame buffer */
|
|
kaddr = USB_ADD_BYTES(
|
|
xfer->frbuffers[0].buffer, offset);
|
|
} else {
|
|
/* multiple frame buffers */
|
|
kaddr = xfer->frbuffers[n].buffer;
|
|
}
|
|
|
|
/* move data */
|
|
error = copyout(kaddr, uaddr, length);
|
|
if (error) {
|
|
goto complete;
|
|
}
|
|
}
|
|
/*
|
|
* Update offset according to initial length, which is
|
|
* needed by isochronous transfers!
|
|
*/
|
|
offset += temp;
|
|
|
|
/* update length */
|
|
if (suword32(fs_ep.pLength + n, length) != 0)
|
|
goto complete;
|
|
}
|
|
|
|
complete:
|
|
if (error == 0)
|
|
error = ugen_fs_update(&fs_ep, f, ep_index);
|
|
return (error);
|
|
}
|
|
|
|
static uint8_t
|
|
ugen_fifo_in_use(struct usb_fifo *f, int fflags)
|
|
{
|
|
struct usb_fifo *f_rx;
|
|
struct usb_fifo *f_tx;
|
|
|
|
f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX];
|
|
f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX];
|
|
|
|
if ((fflags & FREAD) && f_rx &&
|
|
(f_rx->xfer[0] || f_rx->xfer[1])) {
|
|
return (1); /* RX FIFO in use */
|
|
}
|
|
if ((fflags & FWRITE) && f_tx &&
|
|
(f_tx->xfer[0] || f_tx->xfer[1])) {
|
|
return (1); /* TX FIFO in use */
|
|
}
|
|
return (0); /* not in use */
|
|
}
|
|
|
|
static int
|
|
ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
|
|
{
|
|
union {
|
|
struct usb_fs_complete *pcomp;
|
|
struct usb_fs_start *pstart;
|
|
struct usb_fs_stop *pstop;
|
|
void *addr;
|
|
} u;
|
|
struct usb_xfer *xfer;
|
|
int error;
|
|
uint8_t ep_index;
|
|
|
|
u.addr = addr;
|
|
|
|
DPRINTFN(6, "cmd=0x%08lx\n", cmd);
|
|
|
|
switch (cmd) {
|
|
case USB_FS_COMPLETE:
|
|
sx_slock(&f->fs_fastpath_lock);
|
|
mtx_lock(f->priv_mtx);
|
|
error = ugen_fs_get_complete(f, &ep_index);
|
|
mtx_unlock(f->priv_mtx);
|
|
|
|
if (error != 0) {
|
|
error = EBUSY;
|
|
} else {
|
|
u.pcomp->ep_index = ep_index;
|
|
error = ugen_fs_copy_out(f, u.pcomp->ep_index);
|
|
}
|
|
sx_sunlock(&f->fs_fastpath_lock);
|
|
break;
|
|
|
|
case USB_FS_START:
|
|
sx_slock(&f->fs_fastpath_lock);
|
|
error = ugen_fs_copy_in(f, u.pstart->ep_index);
|
|
if (error == 0) {
|
|
mtx_lock(f->priv_mtx);
|
|
xfer = f->fs_xfer[u.pstart->ep_index];
|
|
usbd_transfer_start(xfer);
|
|
mtx_unlock(f->priv_mtx);
|
|
}
|
|
sx_sunlock(&f->fs_fastpath_lock);
|
|
break;
|
|
|
|
case USB_FS_STOP:
|
|
mtx_lock(f->priv_mtx);
|
|
if (u.pstop->ep_index >= f->fs_ep_max) {
|
|
error = EINVAL;
|
|
} else {
|
|
error = 0;
|
|
xfer = f->fs_xfer[u.pstart->ep_index];
|
|
if (usbd_transfer_pending(xfer)) {
|
|
usbd_transfer_stop(xfer);
|
|
|
|
/*
|
|
* Check if the USB transfer was
|
|
* stopped before it was even started
|
|
* and fake a cancel event.
|
|
*/
|
|
if (!xfer->flags_int.transferring &&
|
|
!xfer->flags_int.started) {
|
|
DPRINTF("Issuing fake completion event\n");
|
|
ugen_fs_set_complete(xfer->priv_sc,
|
|
USB_P2U(xfer->priv_fifo));
|
|
}
|
|
}
|
|
}
|
|
mtx_unlock(f->priv_mtx);
|
|
break;
|
|
|
|
default:
|
|
error = ENOIOCTL;
|
|
break;
|
|
}
|
|
|
|
DPRINTFN(6, "error=%d\n", error);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ugen_set_short_xfer(struct usb_fifo *f, void *addr)
|
|
{
|
|
uint8_t t;
|
|
|
|
if (*(int *)addr)
|
|
t = 1;
|
|
else
|
|
t = 0;
|
|
|
|
if (f->flag_short == t) {
|
|
/* same value like before - accept */
|
|
return (0);
|
|
}
|
|
if (f->xfer[0] || f->xfer[1]) {
|
|
/* cannot change this during transfer */
|
|
return (EBUSY);
|
|
}
|
|
f->flag_short = t;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_set_timeout(struct usb_fifo *f, void *addr)
|
|
{
|
|
f->timeout = *(int *)addr;
|
|
if (f->timeout > 65535) {
|
|
/* limit user input */
|
|
f->timeout = 65535;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_get_frame_size(struct usb_fifo *f, void *addr)
|
|
{
|
|
if (f->xfer[0]) {
|
|
*(int *)addr = f->xfer[0]->max_frame_size;
|
|
} else {
|
|
return (EINVAL);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_set_buffer_size(struct usb_fifo *f, void *addr)
|
|
{
|
|
usb_frlength_t t;
|
|
|
|
if (*(int *)addr < 0)
|
|
t = 0; /* use "wMaxPacketSize" */
|
|
else if (*(int *)addr < (256 * 1024))
|
|
t = *(int *)addr;
|
|
else
|
|
t = 256 * 1024;
|
|
|
|
if (f->bufsize == t) {
|
|
/* same value like before - accept */
|
|
return (0);
|
|
}
|
|
if (f->xfer[0] || f->xfer[1]) {
|
|
/* cannot change this during transfer */
|
|
return (EBUSY);
|
|
}
|
|
f->bufsize = t;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_get_buffer_size(struct usb_fifo *f, void *addr)
|
|
{
|
|
*(int *)addr = f->bufsize;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_get_iface_desc(struct usb_fifo *f,
|
|
struct usb_interface_descriptor *idesc)
|
|
{
|
|
struct usb_interface *iface;
|
|
|
|
iface = usbd_get_iface(f->udev, f->iface_index);
|
|
if (iface && iface->idesc) {
|
|
*idesc = *(iface->idesc);
|
|
} else {
|
|
return (EIO);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_get_endpoint_desc(struct usb_fifo *f,
|
|
struct usb_endpoint_descriptor *ed)
|
|
{
|
|
struct usb_endpoint *ep;
|
|
|
|
ep = usb_fifo_softc(f);
|
|
|
|
if (ep && ep->edesc) {
|
|
*ed = *ep->edesc;
|
|
} else {
|
|
return (EINVAL);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ugen_set_power_mode(struct usb_fifo *f, int mode)
|
|
{
|
|
struct usb_device *udev = f->udev;
|
|
int err;
|
|
uint8_t old_mode;
|
|
|
|
if ((udev == NULL) ||
|
|
(udev->parent_hub == NULL)) {
|
|
return (EINVAL);
|
|
}
|
|
err = priv_check(curthread, PRIV_DRIVER);
|
|
if (err)
|
|
return (err);
|
|
|
|
/* get old power mode */
|
|
old_mode = udev->power_mode;
|
|
|
|
/* if no change, then just return */
|
|
if (old_mode == mode)
|
|
return (0);
|
|
|
|
switch (mode) {
|
|
case USB_POWER_MODE_OFF:
|
|
if (udev->flags.usb_mode == USB_MODE_HOST &&
|
|
udev->re_enumerate_wait == USB_RE_ENUM_DONE) {
|
|
udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF;
|
|
}
|
|
/* set power mode will wake up the explore thread */
|
|
break;
|
|
|
|
case USB_POWER_MODE_ON:
|
|
case USB_POWER_MODE_SAVE:
|
|
break;
|
|
|
|
case USB_POWER_MODE_RESUME:
|
|
#if USB_HAVE_POWERD
|
|
/* let USB-powerd handle resume */
|
|
USB_BUS_LOCK(udev->bus);
|
|
udev->pwr_save.write_refs++;
|
|
udev->pwr_save.last_xfer_time = ticks;
|
|
USB_BUS_UNLOCK(udev->bus);
|
|
|
|
/* set new power mode */
|
|
usbd_set_power_mode(udev, USB_POWER_MODE_SAVE);
|
|
|
|
/* wait for resume to complete */
|
|
usb_pause_mtx(NULL, hz / 4);
|
|
|
|
/* clear write reference */
|
|
USB_BUS_LOCK(udev->bus);
|
|
udev->pwr_save.write_refs--;
|
|
USB_BUS_UNLOCK(udev->bus);
|
|
#endif
|
|
mode = USB_POWER_MODE_SAVE;
|
|
break;
|
|
|
|
case USB_POWER_MODE_SUSPEND:
|
|
#if USB_HAVE_POWERD
|
|
/* let USB-powerd handle suspend */
|
|
USB_BUS_LOCK(udev->bus);
|
|
udev->pwr_save.last_xfer_time = ticks - (256 * hz);
|
|
USB_BUS_UNLOCK(udev->bus);
|
|
#endif
|
|
mode = USB_POWER_MODE_SAVE;
|
|
break;
|
|
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
|
|
if (err)
|
|
return (ENXIO); /* I/O failure */
|
|
|
|
/* if we are powered off we need to re-enumerate first */
|
|
if (old_mode == USB_POWER_MODE_OFF) {
|
|
if (udev->flags.usb_mode == USB_MODE_HOST &&
|
|
udev->re_enumerate_wait == USB_RE_ENUM_DONE) {
|
|
udev->re_enumerate_wait = USB_RE_ENUM_START;
|
|
}
|
|
/* set power mode will wake up the explore thread */
|
|
}
|
|
|
|
/* set new power mode */
|
|
usbd_set_power_mode(udev, mode);
|
|
|
|
return (0); /* success */
|
|
}
|
|
|
|
static int
|
|
ugen_get_power_mode(struct usb_fifo *f)
|
|
{
|
|
struct usb_device *udev = f->udev;
|
|
|
|
if (udev == NULL)
|
|
return (USB_POWER_MODE_ON);
|
|
|
|
return (udev->power_mode);
|
|
}
|
|
|
|
static int
|
|
ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp)
|
|
{
|
|
struct usb_device *udev = f->udev;
|
|
struct usb_device *next;
|
|
unsigned nlevel = 0;
|
|
|
|
if (udev == NULL)
|
|
goto error;
|
|
|
|
dpp->udp_bus = device_get_unit(udev->bus->bdev);
|
|
dpp->udp_index = udev->device_index;
|
|
|
|
/* count port levels */
|
|
next = udev;
|
|
while (next->parent_hub != NULL) {
|
|
nlevel++;
|
|
next = next->parent_hub;
|
|
}
|
|
|
|
/* check if too many levels */
|
|
if (nlevel > USB_DEVICE_PORT_PATH_MAX)
|
|
goto error;
|
|
|
|
/* store total level of ports */
|
|
dpp->udp_port_level = nlevel;
|
|
|
|
/* store port index array */
|
|
next = udev;
|
|
while (next->parent_hub != NULL) {
|
|
dpp->udp_port_no[--nlevel] = next->port_no;
|
|
next = next->parent_hub;
|
|
}
|
|
return (0); /* success */
|
|
|
|
error:
|
|
return (EINVAL); /* failure */
|
|
}
|
|
|
|
static int
|
|
ugen_get_power_usage(struct usb_fifo *f)
|
|
{
|
|
struct usb_device *udev = f->udev;
|
|
|
|
if (udev == NULL)
|
|
return (0);
|
|
|
|
return (udev->power);
|
|
}
|
|
|
|
static int
|
|
ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no,
|
|
uint8_t set, uint16_t feature)
|
|
{
|
|
struct usb_device *udev = f->udev;
|
|
struct usb_hub *hub;
|
|
int err;
|
|
|
|
err = priv_check(curthread, PRIV_DRIVER);
|
|
if (err) {
|
|
return (err);
|
|
}
|
|
if (port_no == 0) {
|
|
return (EINVAL);
|
|
}
|
|
if ((udev == NULL) ||
|
|
(udev->hub == NULL)) {
|
|
return (EINVAL);
|
|
}
|
|
hub = udev->hub;
|
|
|
|
if (port_no > hub->nports) {
|
|
return (EINVAL);
|
|
}
|
|
if (set)
|
|
err = usbd_req_set_port_feature(udev,
|
|
NULL, port_no, feature);
|
|
else
|
|
err = usbd_req_clear_port_feature(udev,
|
|
NULL, port_no, feature);
|
|
|
|
if (err)
|
|
return (ENXIO); /* failure */
|
|
|
|
return (0); /* success */
|
|
}
|
|
|
|
static int
|
|
ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
|
|
{
|
|
struct usb_fifo *f_rx;
|
|
struct usb_fifo *f_tx;
|
|
int error = 0;
|
|
|
|
f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX];
|
|
f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX];
|
|
|
|
switch (cmd) {
|
|
case USB_SET_RX_SHORT_XFER:
|
|
if (fflags & FREAD) {
|
|
error = ugen_set_short_xfer(f_rx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_TX_FORCE_SHORT:
|
|
if (fflags & FWRITE) {
|
|
error = ugen_set_short_xfer(f_tx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_RX_TIMEOUT:
|
|
if (fflags & FREAD) {
|
|
error = ugen_set_timeout(f_rx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_TX_TIMEOUT:
|
|
if (fflags & FWRITE) {
|
|
error = ugen_set_timeout(f_tx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_RX_FRAME_SIZE:
|
|
if (fflags & FREAD) {
|
|
error = ugen_get_frame_size(f_rx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_TX_FRAME_SIZE:
|
|
if (fflags & FWRITE) {
|
|
error = ugen_get_frame_size(f_tx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_RX_BUFFER_SIZE:
|
|
if (fflags & FREAD) {
|
|
error = ugen_set_buffer_size(f_rx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_TX_BUFFER_SIZE:
|
|
if (fflags & FWRITE) {
|
|
error = ugen_set_buffer_size(f_tx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_RX_BUFFER_SIZE:
|
|
if (fflags & FREAD) {
|
|
error = ugen_get_buffer_size(f_rx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_TX_BUFFER_SIZE:
|
|
if (fflags & FWRITE) {
|
|
error = ugen_get_buffer_size(f_tx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_RX_INTERFACE_DESC:
|
|
if (fflags & FREAD) {
|
|
error = ugen_get_iface_desc(f_rx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_TX_INTERFACE_DESC:
|
|
if (fflags & FWRITE) {
|
|
error = ugen_get_iface_desc(f_tx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_RX_ENDPOINT_DESC:
|
|
if (fflags & FREAD) {
|
|
error = ugen_get_endpoint_desc(f_rx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_GET_TX_ENDPOINT_DESC:
|
|
if (fflags & FWRITE) {
|
|
error = ugen_get_endpoint_desc(f_tx, addr);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_RX_STALL_FLAG:
|
|
if ((fflags & FREAD) && (*(int *)addr)) {
|
|
f_rx->flag_stall = 1;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_TX_STALL_FLAG:
|
|
if ((fflags & FWRITE) && (*(int *)addr)) {
|
|
f_tx->flag_stall = 1;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
error = ENOIOCTL;
|
|
break;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
|
|
{
|
|
union {
|
|
struct usb_interface_descriptor *idesc;
|
|
struct usb_alt_interface *ai;
|
|
struct usb_device_descriptor *ddesc;
|
|
struct usb_config_descriptor *cdesc;
|
|
struct usb_device_stats *stat;
|
|
struct usb_fs_init *pinit;
|
|
#ifdef COMPAT_FREEBSD32
|
|
struct usb_fs_init32 *pinit32;
|
|
#endif
|
|
struct usb_fs_uninit *puninit;
|
|
struct usb_fs_open *popen;
|
|
struct usb_fs_open_stream *popen_stream;
|
|
struct usb_fs_close *pclose;
|
|
struct usb_fs_clear_stall_sync *pstall;
|
|
struct usb_device_port_path *dpp;
|
|
uint32_t *ptime;
|
|
void *addr;
|
|
int *pint;
|
|
} u;
|
|
struct usb_device_descriptor *dtemp;
|
|
struct usb_config_descriptor *ctemp;
|
|
struct usb_interface *iface;
|
|
int error = 0;
|
|
uint8_t n;
|
|
|
|
u.addr = addr;
|
|
|
|
DPRINTFN(6, "cmd=0x%08lx\n", cmd);
|
|
|
|
switch (cmd) {
|
|
case USB_DISCOVER:
|
|
usb_needs_explore_all();
|
|
break;
|
|
|
|
case USB_SETDEBUG:
|
|
if (!(fflags & FWRITE)) {
|
|
error = EPERM;
|
|
break;
|
|
}
|
|
usb_debug = *(int *)addr;
|
|
break;
|
|
|
|
case USB_GET_CONFIG:
|
|
*(int *)addr = f->udev->curr_config_index;
|
|
break;
|
|
|
|
case USB_SET_CONFIG:
|
|
if (!(fflags & FWRITE)) {
|
|
error = EPERM;
|
|
break;
|
|
}
|
|
error = ugen_set_config(f, *(int *)addr);
|
|
break;
|
|
|
|
case USB_GET_ALTINTERFACE:
|
|
iface = usbd_get_iface(f->udev,
|
|
u.ai->uai_interface_index);
|
|
if (iface && iface->idesc) {
|
|
u.ai->uai_alt_index = iface->alt_index;
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
|
|
case USB_SET_ALTINTERFACE:
|
|
if (!(fflags & FWRITE)) {
|
|
error = EPERM;
|
|
break;
|
|
}
|
|
error = ugen_set_interface(f,
|
|
u.ai->uai_interface_index, u.ai->uai_alt_index);
|
|
break;
|
|
|
|
case USB_GET_DEVICE_DESC:
|
|
dtemp = usbd_get_device_descriptor(f->udev);
|
|
if (!dtemp) {
|
|
error = EIO;
|
|
break;
|
|
}
|
|
*u.ddesc = *dtemp;
|
|
break;
|
|
|
|
case USB_GET_CONFIG_DESC:
|
|
ctemp = usbd_get_config_descriptor(f->udev);
|
|
if (!ctemp) {
|
|
error = EIO;
|
|
break;
|
|
}
|
|
*u.cdesc = *ctemp;
|
|
break;
|
|
|
|
case USB_GET_FULL_DESC:
|
|
error = ugen_get_cdesc(f, addr);
|
|
break;
|
|
|
|
case USB_GET_STRING_DESC:
|
|
error = ugen_get_sdesc(f, addr);
|
|
break;
|
|
|
|
case USB_GET_IFACE_DRIVER:
|
|
error = ugen_get_iface_driver(f, addr);
|
|
break;
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
case USB_GET_FULL_DESC32:
|
|
case USB_GET_STRING_DESC32:
|
|
case USB_GET_IFACE_DRIVER32:
|
|
error = ugen_get32(cmd, f, addr);
|
|
break;
|
|
#endif
|
|
|
|
case USB_REQUEST:
|
|
case USB_DO_REQUEST:
|
|
if (!(fflags & FWRITE)) {
|
|
error = EPERM;
|
|
break;
|
|
}
|
|
error = ugen_do_request(f, addr);
|
|
break;
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
case USB_REQUEST32:
|
|
case USB_DO_REQUEST32:
|
|
if (!(fflags & FWRITE)) {
|
|
error = EPERM;
|
|
break;
|
|
}
|
|
error = ugen_do_request32(f, addr);
|
|
break;
|
|
#endif
|
|
|
|
case USB_DEVICEINFO:
|
|
case USB_GET_DEVICEINFO:
|
|
error = ugen_fill_deviceinfo(f, addr);
|
|
break;
|
|
|
|
case USB_DEVICESTATS:
|
|
for (n = 0; n != 4; n++) {
|
|
u.stat->uds_requests_fail[n] =
|
|
f->udev->stats_err.uds_requests[n];
|
|
u.stat->uds_requests_ok[n] =
|
|
f->udev->stats_ok.uds_requests[n];
|
|
}
|
|
break;
|
|
|
|
case USB_DEVICEENUMERATE:
|
|
error = ugen_re_enumerate(f);
|
|
break;
|
|
|
|
case USB_GET_PLUGTIME:
|
|
*u.ptime = f->udev->plugtime;
|
|
break;
|
|
|
|
case USB_CLAIM_INTERFACE:
|
|
case USB_RELEASE_INTERFACE:
|
|
/* TODO */
|
|
break;
|
|
|
|
case USB_IFACE_DRIVER_ACTIVE:
|
|
|
|
n = *u.pint & 0xFF;
|
|
|
|
iface = usbd_get_iface(f->udev, n);
|
|
|
|
if (iface && iface->subdev)
|
|
error = 0;
|
|
else
|
|
error = ENXIO;
|
|
break;
|
|
|
|
case USB_IFACE_DRIVER_DETACH:
|
|
|
|
error = priv_check(curthread, PRIV_DRIVER);
|
|
|
|
if (error)
|
|
break;
|
|
|
|
n = *u.pint & 0xFF;
|
|
|
|
if (n == USB_IFACE_INDEX_ANY) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Detach the currently attached driver.
|
|
*/
|
|
usb_detach_device(f->udev, n, 0);
|
|
|
|
/*
|
|
* Set parent to self, this should keep attach away
|
|
* until the next set configuration event.
|
|
*/
|
|
usbd_set_parent_iface(f->udev, n, n);
|
|
break;
|
|
|
|
case USB_SET_POWER_MODE:
|
|
error = ugen_set_power_mode(f, *u.pint);
|
|
break;
|
|
|
|
case USB_GET_POWER_MODE:
|
|
*u.pint = ugen_get_power_mode(f);
|
|
break;
|
|
|
|
case USB_GET_DEV_PORT_PATH:
|
|
error = ugen_get_port_path(f, u.dpp);
|
|
break;
|
|
|
|
case USB_GET_POWER_USAGE:
|
|
*u.pint = ugen_get_power_usage(f);
|
|
break;
|
|
|
|
case USB_SET_PORT_ENABLE:
|
|
error = ugen_do_port_feature(f,
|
|
*u.pint, 1, UHF_PORT_ENABLE);
|
|
break;
|
|
|
|
case USB_SET_PORT_DISABLE:
|
|
error = ugen_do_port_feature(f,
|
|
*u.pint, 0, UHF_PORT_ENABLE);
|
|
break;
|
|
|
|
case USB_FS_INIT:
|
|
error = ugen_fs_init(f, u.pinit->pEndpoints,
|
|
sizeof(struct usb_fs_endpoint), fflags,
|
|
u.pinit->ep_index_max);
|
|
break;
|
|
#ifdef COMPAT_FREEBSD32
|
|
case USB_FS_INIT32:
|
|
error = ugen_fs_init(f, PTRIN(u.pinit32->pEndpoints),
|
|
sizeof(struct usb_fs_endpoint32), fflags,
|
|
u.pinit32->ep_index_max);
|
|
break;
|
|
#endif
|
|
case USB_FS_UNINIT:
|
|
if (u.puninit->dummy != 0) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = ugen_fs_uninit(f);
|
|
break;
|
|
|
|
case USB_FS_OPEN:
|
|
case USB_FS_OPEN_STREAM:
|
|
error = usb_fs_open(f, u.popen, fflags,
|
|
(cmd == USB_FS_OPEN_STREAM) ? u.popen_stream->stream_id : 0);
|
|
break;
|
|
|
|
case USB_FS_CLOSE:
|
|
error = usb_fs_close(f, u.pclose);
|
|
break;
|
|
|
|
case USB_FS_CLEAR_STALL_SYNC:
|
|
error = usb_fs_clear_stall_sync(f, u.pstall);
|
|
break;
|
|
|
|
default:
|
|
mtx_lock(f->priv_mtx);
|
|
error = ugen_iface_ioctl(f, cmd, addr, fflags);
|
|
mtx_unlock(f->priv_mtx);
|
|
break;
|
|
}
|
|
DPRINTFN(6, "error=%d\n", error);
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
; /* workaround for a bug in "indent" */
|
|
|
|
DPRINTF("st=%u alen=%u aframes=%u\n",
|
|
USB_GET_STATE(xfer), xfer->actlen, xfer->aframes);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_SETUP:
|
|
usbd_transfer_submit(xfer);
|
|
break;
|
|
default:
|
|
ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo));
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
void
|
|
usb_gen_descriptor_from32(struct usb_gen_descriptor *ugd,
|
|
const struct usb_gen_descriptor32 *ugd32)
|
|
{
|
|
PTRIN_CP(*ugd32, *ugd, ugd_data);
|
|
CP(*ugd32, *ugd, ugd_lang_id);
|
|
CP(*ugd32, *ugd, ugd_maxlen);
|
|
CP(*ugd32, *ugd, ugd_actlen);
|
|
CP(*ugd32, *ugd, ugd_offset);
|
|
CP(*ugd32, *ugd, ugd_config_index);
|
|
CP(*ugd32, *ugd, ugd_string_index);
|
|
CP(*ugd32, *ugd, ugd_iface_index);
|
|
CP(*ugd32, *ugd, ugd_altif_index);
|
|
CP(*ugd32, *ugd, ugd_endpt_index);
|
|
CP(*ugd32, *ugd, ugd_report_type);
|
|
/* Don't copy reserved */
|
|
}
|
|
|
|
void
|
|
update_usb_gen_descriptor32(struct usb_gen_descriptor32 *ugd32,
|
|
struct usb_gen_descriptor *ugd)
|
|
{
|
|
/* Don't update ugd_data pointer */
|
|
CP(*ugd32, *ugd, ugd_lang_id);
|
|
CP(*ugd32, *ugd, ugd_maxlen);
|
|
CP(*ugd32, *ugd, ugd_actlen);
|
|
CP(*ugd32, *ugd, ugd_offset);
|
|
CP(*ugd32, *ugd, ugd_config_index);
|
|
CP(*ugd32, *ugd, ugd_string_index);
|
|
CP(*ugd32, *ugd, ugd_iface_index);
|
|
CP(*ugd32, *ugd, ugd_altif_index);
|
|
CP(*ugd32, *ugd, ugd_endpt_index);
|
|
CP(*ugd32, *ugd, ugd_report_type);
|
|
/* Don't update reserved */
|
|
}
|
|
|
|
static int
|
|
ugen_get32(u_long cmd, struct usb_fifo *f, struct usb_gen_descriptor32 *ugd32)
|
|
{
|
|
struct usb_gen_descriptor ugd;
|
|
int error;
|
|
|
|
usb_gen_descriptor_from32(&ugd, ugd32);
|
|
switch (cmd) {
|
|
case USB_GET_FULL_DESC32:
|
|
error = ugen_get_cdesc(f, &ugd);
|
|
break;
|
|
|
|
case USB_GET_STRING_DESC32:
|
|
error = ugen_get_sdesc(f, &ugd);
|
|
break;
|
|
|
|
case USB_GET_IFACE_DRIVER32:
|
|
error = ugen_get_iface_driver(f, &ugd);
|
|
break;
|
|
default:
|
|
/* Can't happen except by programmer error */
|
|
panic("%s: called with invalid cmd %lx", __func__, cmd);
|
|
}
|
|
update_usb_gen_descriptor32(ugd32, &ugd);
|
|
|
|
return (error);
|
|
}
|
|
|
|
#endif /* COMPAT_FREEBSD32 */
|
|
|
|
#endif /* USB_HAVE_UGEN */
|