Compilable rusb for linux

1 files changed, 0 insertions, 617 deletions

diff --git a/src/os/netbsd_usb.c b/src/os/netbsd_usb.c
deleted file mode 100644
index 74833f6..0000000
--- a/src/os/netbsd_usb.c
+++ /dev/null
@@ -1,617 +0,0 @@
-/*
- * Copyright © 2011 Martin Pieuchot <mpi@openbsd.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <config.h>
-
-#include <sys/time.h>
-#include <sys/types.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <dev/usb/usb.h>
-
-#include "libusbi.h"
-
-struct device_priv {
-	char devnode[16];
-	int fd;
-
-	usb_config_descriptor_t *cdesc;		/* active config descriptor */
-};
-
-struct handle_priv {
-	int endpoints[USB_MAX_ENDPOINTS];
-};
-
-/*
- * Backend functions
- */
-static int netbsd_get_device_list(struct libusb_context *,
-    struct discovered_devs **);
-static int netbsd_open(struct libusb_device_handle *);
-static void netbsd_close(struct libusb_device_handle *);
-
-static int netbsd_get_active_config_descriptor(struct libusb_device *,
-    void *, size_t);
-static int netbsd_get_config_descriptor(struct libusb_device *, uint8_t,
-    void *, size_t);
-
-static int netbsd_get_configuration(struct libusb_device_handle *, uint8_t *);
-static int netbsd_set_configuration(struct libusb_device_handle *, int);
-
-static int netbsd_claim_interface(struct libusb_device_handle *, uint8_t);
-static int netbsd_release_interface(struct libusb_device_handle *, uint8_t);
-
-static int netbsd_set_interface_altsetting(struct libusb_device_handle *,
-    uint8_t, uint8_t);
-static int netbsd_clear_halt(struct libusb_device_handle *, unsigned char);
-static void netbsd_destroy_device(struct libusb_device *);
-
-static int netbsd_submit_transfer(struct usbi_transfer *);
-static int netbsd_cancel_transfer(struct usbi_transfer *);
-static int netbsd_handle_transfer_completion(struct usbi_transfer *);
-
-/*
- * Private functions
- */
-static int _errno_to_libusb(int);
-static int _cache_active_config_descriptor(struct libusb_device *, int);
-static int _sync_control_transfer(struct usbi_transfer *);
-static int _sync_gen_transfer(struct usbi_transfer *);
-static int _access_endpoint(struct libusb_transfer *);
-
-const struct usbi_os_backend usbi_backend = {
-	.name = "Synchronous NetBSD backend",
-	.caps = 0,
-	.get_device_list = netbsd_get_device_list,
-	.open = netbsd_open,
-	.close = netbsd_close,
-
-	.get_active_config_descriptor = netbsd_get_active_config_descriptor,
-	.get_config_descriptor = netbsd_get_config_descriptor,
-
-	.get_configuration = netbsd_get_configuration,
-	.set_configuration = netbsd_set_configuration,
-
-	.claim_interface = netbsd_claim_interface,
-	.release_interface = netbsd_release_interface,
-
-	.set_interface_altsetting = netbsd_set_interface_altsetting,
-	.clear_halt = netbsd_clear_halt,
-
-	.destroy_device = netbsd_destroy_device,
-
-	.submit_transfer = netbsd_submit_transfer,
-	.cancel_transfer = netbsd_cancel_transfer,
-
-	.handle_transfer_completion = netbsd_handle_transfer_completion,
-
-	.device_priv_size = sizeof(struct device_priv),
-	.device_handle_priv_size = sizeof(struct handle_priv),
-};
-
-int
-netbsd_get_device_list(struct libusb_context * ctx,
-	struct discovered_devs **discdevs)
-{
-	struct libusb_device *dev;
-	struct device_priv *dpriv;
-	struct usb_device_info di;
-	usb_device_descriptor_t ddesc;
-	unsigned long session_id;
-	char devnode[16];
-	int fd, err, i;
-
-	usbi_dbg(ctx, " ");
-
-	/* Only ugen(4) is supported */
-	for (i = 0; i < USB_MAX_DEVICES; i++) {
-		/* Control endpoint is always .00 */
-		snprintf(devnode, sizeof(devnode), "/dev/ugen%d.00", i);
-
-		if ((fd = open(devnode, O_RDONLY)) < 0) {
-			if (errno != ENOENT && errno != ENXIO)
-				usbi_err(ctx, "could not open %s", devnode);
-			continue;
-		}
-
-		if (ioctl(fd, USB_GET_DEVICEINFO, &di) < 0)
-			continue;
-
-		session_id = (di.udi_bus << 8 | di.udi_addr);
-		dev = usbi_get_device_by_session_id(ctx, session_id);
-
-		if (dev == NULL) {
-			dev = usbi_alloc_device(ctx, session_id);
-			if (dev == NULL)
-				return (LIBUSB_ERROR_NO_MEM);
-
-			dev->bus_number = di.udi_bus;
-			dev->device_address = di.udi_addr;
-			dev->speed = di.udi_speed;
-
-			dpriv = usbi_get_device_priv(dev);
-			strlcpy(dpriv->devnode, devnode, sizeof(devnode));
-			dpriv->fd = -1;
-
-			if (ioctl(fd, USB_GET_DEVICE_DESC, &ddesc) < 0) {
-				err = errno;
-				goto error;
-			}
-
-			static_assert(sizeof(dev->device_descriptor) == sizeof(ddesc),
-				      "mismatch between libusb and OS device descriptor sizes");
-			memcpy(&dev->device_descriptor, &ddesc, LIBUSB_DT_DEVICE_SIZE);
-			usbi_localize_device_descriptor(&dev->device_descriptor);
-
-			if (_cache_active_config_descriptor(dev, fd)) {
-				err = errno;
-				goto error;
-			}
-
-			if ((err = usbi_sanitize_device(dev)))
-				goto error;
-		}
-		close(fd);
-
-		if (discovered_devs_append(*discdevs, dev) == NULL)
-			return (LIBUSB_ERROR_NO_MEM);
-
-		libusb_unref_device(dev);
-	}
-
-	return (LIBUSB_SUCCESS);
-
-error:
-	close(fd);
-	libusb_unref_device(dev);
-	return _errno_to_libusb(err);
-}
-
-int
-netbsd_open(struct libusb_device_handle *handle)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(handle->dev);
-	struct handle_priv *hpriv = usbi_get_device_handle_priv(handle);
-	int i;
-
-	dpriv->fd = open(dpriv->devnode, O_RDWR);
-	if (dpriv->fd < 0) {
-		dpriv->fd = open(dpriv->devnode, O_RDONLY);
-		if (dpriv->fd < 0)
-			return _errno_to_libusb(errno);
-	}
-
-	for (i = 0; i < USB_MAX_ENDPOINTS; i++)
-		hpriv->endpoints[i] = -1;
-
-	usbi_dbg(HANDLE_CTX(handle), "open %s: fd %d", dpriv->devnode, dpriv->fd);
-
-	return (LIBUSB_SUCCESS);
-}
-
-void
-netbsd_close(struct libusb_device_handle *handle)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(handle->dev);
-
-	usbi_dbg(HANDLE_CTX(handle), "close: fd %d", dpriv->fd);
-
-	close(dpriv->fd);
-	dpriv->fd = -1;
-}
-
-int
-netbsd_get_active_config_descriptor(struct libusb_device *dev,
-    void *buf, size_t len)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(dev);
-
-	len = MIN(len, (size_t)UGETW(dpriv->cdesc->wTotalLength));
-
-	usbi_dbg(DEVICE_CTX(dev), "len %zu", len);
-
-	memcpy(buf, dpriv->cdesc, len);
-
-	return (int)len;
-}
-
-int
-netbsd_get_config_descriptor(struct libusb_device *dev, uint8_t idx,
-    void *buf, size_t len)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(dev);
-	struct usb_full_desc ufd;
-	int fd, err;
-
-	usbi_dbg(DEVICE_CTX(dev), "index %u, len %zu", idx, len);
-
-	/* A config descriptor may be requested before opening the device */
-	if (dpriv->fd >= 0) {
-		fd = dpriv->fd;
-	} else {
-		fd = open(dpriv->devnode, O_RDONLY);
-		if (fd < 0)
-			return _errno_to_libusb(errno);
-	}
-
-	ufd.ufd_config_index = idx;
-	ufd.ufd_size = len;
-	ufd.ufd_data = buf;
-
-	if ((ioctl(fd, USB_GET_FULL_DESC, &ufd)) < 0) {
-		err = errno;
-		if (dpriv->fd < 0)
-			close(fd);
-		return _errno_to_libusb(err);
-	}
-
-	if (dpriv->fd < 0)
-		close(fd);
-
-	return (int)len;
-}
-
-int
-netbsd_get_configuration(struct libusb_device_handle *handle, uint8_t *config)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(handle->dev);
-	int tmp;
-
-	usbi_dbg(HANDLE_CTX(handle), " ");
-
-	if (ioctl(dpriv->fd, USB_GET_CONFIG, &tmp) < 0)
-		return _errno_to_libusb(errno);
-
-	usbi_dbg(HANDLE_CTX(handle), "configuration %d", tmp);
-	*config = (uint8_t)tmp;
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-netbsd_set_configuration(struct libusb_device_handle *handle, int config)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(handle->dev);
-
-	usbi_dbg(HANDLE_CTX(handle), "configuration %d", config);
-
-	if (ioctl(dpriv->fd, USB_SET_CONFIG, &config) < 0)
-		return _errno_to_libusb(errno);
-
-	return _cache_active_config_descriptor(handle->dev, dpriv->fd);
-}
-
-int
-netbsd_claim_interface(struct libusb_device_handle *handle, uint8_t iface)
-{
-	struct handle_priv *hpriv = usbi_get_device_handle_priv(handle);
-	int i;
-
-	UNUSED(iface);
-
-	for (i = 0; i < USB_MAX_ENDPOINTS; i++)
-		hpriv->endpoints[i] = -1;
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-netbsd_release_interface(struct libusb_device_handle *handle, uint8_t iface)
-{
-	struct handle_priv *hpriv = usbi_get_device_handle_priv(handle);
-	int i;
-
-	UNUSED(iface);
-
-	for (i = 0; i < USB_MAX_ENDPOINTS; i++)
-		if (hpriv->endpoints[i] >= 0)
-			close(hpriv->endpoints[i]);
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-netbsd_set_interface_altsetting(struct libusb_device_handle *handle, uint8_t iface,
-    uint8_t altsetting)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(handle->dev);
-	struct usb_alt_interface intf;
-
-	usbi_dbg(HANDLE_CTX(handle), "iface %u, setting %u", iface, altsetting);
-
-	memset(&intf, 0, sizeof(intf));
-
-	intf.uai_interface_index = iface;
-	intf.uai_alt_no = altsetting;
-
-	if (ioctl(dpriv->fd, USB_SET_ALTINTERFACE, &intf) < 0)
-		return _errno_to_libusb(errno);
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-netbsd_clear_halt(struct libusb_device_handle *handle, unsigned char endpoint)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(handle->dev);
-	struct usb_ctl_request req;
-
-	usbi_dbg(HANDLE_CTX(handle), " ");
-
-	req.ucr_request.bmRequestType = UT_WRITE_ENDPOINT;
-	req.ucr_request.bRequest = UR_CLEAR_FEATURE;
-	USETW(req.ucr_request.wValue, UF_ENDPOINT_HALT);
-	USETW(req.ucr_request.wIndex, endpoint);
-	USETW(req.ucr_request.wLength, 0);
-
-	if (ioctl(dpriv->fd, USB_DO_REQUEST, &req) < 0)
-		return _errno_to_libusb(errno);
-
-	return (LIBUSB_SUCCESS);
-}
-
-void
-netbsd_destroy_device(struct libusb_device *dev)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(dev);
-
-	usbi_dbg(DEVICE_CTX(dev), " ");
-
-	free(dpriv->cdesc);
-}
-
-int
-netbsd_submit_transfer(struct usbi_transfer *itransfer)
-{
-	struct libusb_transfer *transfer;
-	int err = 0;
-
-	usbi_dbg(ITRANSFER_CTX(itransfer), " ");
-
-	transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-
-	switch (transfer->type) {
-	case LIBUSB_TRANSFER_TYPE_CONTROL:
-		err = _sync_control_transfer(itransfer);
-		break;
-	case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
-		if (IS_XFEROUT(transfer)) {
-			/* Isochronous write is not supported */
-			err = LIBUSB_ERROR_NOT_SUPPORTED;
-			break;
-		}
-		err = _sync_gen_transfer(itransfer);
-		break;
-	case LIBUSB_TRANSFER_TYPE_BULK:
-	case LIBUSB_TRANSFER_TYPE_INTERRUPT:
-		if (IS_XFEROUT(transfer) &&
-		    transfer->flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET) {
-			err = LIBUSB_ERROR_NOT_SUPPORTED;
-			break;
-		}
-		err = _sync_gen_transfer(itransfer);
-		break;
-	case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
-		err = LIBUSB_ERROR_NOT_SUPPORTED;
-		break;
-	}
-
-	if (err)
-		return (err);
-
-	usbi_signal_transfer_completion(itransfer);
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-netbsd_cancel_transfer(struct usbi_transfer *itransfer)
-{
-	UNUSED(itransfer);
-
-	usbi_dbg(ITRANSFER_CTX(itransfer), " ");
-
-	return (LIBUSB_ERROR_NOT_SUPPORTED);
-}
-
-int
-netbsd_handle_transfer_completion(struct usbi_transfer *itransfer)
-{
-	return usbi_handle_transfer_completion(itransfer, LIBUSB_TRANSFER_COMPLETED);
-}
-
-int
-_errno_to_libusb(int err)
-{
-	switch (err) {
-	case EIO:
-		return (LIBUSB_ERROR_IO);
-	case EACCES:
-		return (LIBUSB_ERROR_ACCESS);
-	case ENOENT:
-		return (LIBUSB_ERROR_NO_DEVICE);
-	case ENOMEM:
-		return (LIBUSB_ERROR_NO_MEM);
-	case EWOULDBLOCK:
-	case ETIMEDOUT:
-		return (LIBUSB_ERROR_TIMEOUT);
-	}
-
-	usbi_dbg(NULL, "error: %s", strerror(err));
-
-	return (LIBUSB_ERROR_OTHER);
-}
-
-int
-_cache_active_config_descriptor(struct libusb_device *dev, int fd)
-{
-	struct device_priv *dpriv = usbi_get_device_priv(dev);
-	struct usb_config_desc ucd;
-	struct usb_full_desc ufd;
-	void *buf;
-	int len;
-
-	usbi_dbg(DEVICE_CTX(dev), "fd %d", fd);
-
-	ucd.ucd_config_index = USB_CURRENT_CONFIG_INDEX;
-
-	if ((ioctl(fd, USB_GET_CONFIG_DESC, &ucd)) < 0)
-		return _errno_to_libusb(errno);
-
-	usbi_dbg(DEVICE_CTX(dev), "active bLength %d", ucd.ucd_desc.bLength);
-
-	len = UGETW(ucd.ucd_desc.wTotalLength);
-	buf = malloc((size_t)len);
-	if (buf == NULL)
-		return (LIBUSB_ERROR_NO_MEM);
-
-	ufd.ufd_config_index = ucd.ucd_config_index;
-	ufd.ufd_size = len;
-	ufd.ufd_data = buf;
-
-	usbi_dbg(DEVICE_CTX(dev), "index %d, len %d", ufd.ufd_config_index, len);
-
-	if ((ioctl(fd, USB_GET_FULL_DESC, &ufd)) < 0) {
-		free(buf);
-		return _errno_to_libusb(errno);
-	}
-
-	if (dpriv->cdesc)
-		free(dpriv->cdesc);
-	dpriv->cdesc = buf;
-
-	return (0);
-}
-
-int
-_sync_control_transfer(struct usbi_transfer *itransfer)
-{
-	struct libusb_transfer *transfer;
-	struct libusb_control_setup *setup;
-	struct device_priv *dpriv;
-	struct usb_ctl_request req;
-
-	transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-	dpriv = usbi_get_device_priv(transfer->dev_handle->dev);
-	setup = (struct libusb_control_setup *)transfer->buffer;
-
-	usbi_dbg(ITRANSFER_CTX(itransfer), "type %d request %d value %d index %d length %d timeout %d",
-	    setup->bmRequestType, setup->bRequest,
-	    libusb_le16_to_cpu(setup->wValue),
-	    libusb_le16_to_cpu(setup->wIndex),
-	    libusb_le16_to_cpu(setup->wLength), transfer->timeout);
-
-	req.ucr_request.bmRequestType = setup->bmRequestType;
-	req.ucr_request.bRequest = setup->bRequest;
-	/* Don't use USETW, libusb already deals with the endianness */
-	(*(uint16_t *)req.ucr_request.wValue) = setup->wValue;
-	(*(uint16_t *)req.ucr_request.wIndex) = setup->wIndex;
-	(*(uint16_t *)req.ucr_request.wLength) = setup->wLength;
-	req.ucr_data = transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE;
-
-	if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
-		req.ucr_flags = USBD_SHORT_XFER_OK;
-
-	if ((ioctl(dpriv->fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
-		return _errno_to_libusb(errno);
-
-	if ((ioctl(dpriv->fd, USB_DO_REQUEST, &req)) < 0)
-		return _errno_to_libusb(errno);
-
-	itransfer->transferred = req.ucr_actlen;
-
-	usbi_dbg(ITRANSFER_CTX(itransfer), "transferred %d", itransfer->transferred);
-
-	return (0);
-}
-
-int
-_access_endpoint(struct libusb_transfer *transfer)
-{
-	struct handle_priv *hpriv;
-	struct device_priv *dpriv;
-	char *s, devnode[16];
-	int fd, endpt;
-	mode_t mode;
-
-	hpriv = usbi_get_device_handle_priv(transfer->dev_handle);
-	dpriv = usbi_get_device_priv(transfer->dev_handle->dev);
-
-	endpt = UE_GET_ADDR(transfer->endpoint);
-	mode = IS_XFERIN(transfer) ? O_RDONLY : O_WRONLY;
-
-	usbi_dbg(TRANSFER_CTX(transfer), "endpoint %d mode %d", endpt, mode);
-
-	if (hpriv->endpoints[endpt] < 0) {
-		/* Pick the right node given the control one */
-		strlcpy(devnode, dpriv->devnode, sizeof(devnode));
-		s = strchr(devnode, '.');
-		snprintf(s, 4, ".%02d", endpt);
-
-		/* We may need to read/write to the same endpoint later. */
-		if (((fd = open(devnode, O_RDWR)) < 0) && (errno == ENXIO))
-			if ((fd = open(devnode, mode)) < 0)
-				return (-1);
-
-		hpriv->endpoints[endpt] = fd;
-	}
-
-	return (hpriv->endpoints[endpt]);
-}
-
-int
-_sync_gen_transfer(struct usbi_transfer *itransfer)
-{
-	struct libusb_transfer *transfer;
-	int fd, nr = 1;
-
-	transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-
-	/*
-	 * Bulk, Interrupt or Isochronous transfer depends on the
-	 * endpoint and thus the node to open.
-	 */
-	if ((fd = _access_endpoint(transfer)) < 0)
-		return _errno_to_libusb(errno);
-
-	if ((ioctl(fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
-		return _errno_to_libusb(errno);
-
-	if (IS_XFERIN(transfer)) {
-		if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
-			if ((ioctl(fd, USB_SET_SHORT_XFER, &nr)) < 0)
-				return _errno_to_libusb(errno);
-
-		nr = read(fd, transfer->buffer, transfer->length);
-	} else {
-		nr = write(fd, transfer->buffer, transfer->length);
-	}
-
-	if (nr < 0)
-		return _errno_to_libusb(errno);
-
-	itransfer->transferred = nr;
-
-	return (0);
-}