/* * Copyright (C) 2015 Karol Kosik * 2015 Samsung Electronics * Author: Igor Kotrasinski * * Based on tools/usb/usbip/libsrc/usbip_host_driver.c, which is: * Copyright (C) 2011 matt mooney * 2005-2007 Takahiro Hirofuchi * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include #include #include #include "usbip_host_common.h" #include "usbip_device_driver.h" #undef PROGNAME #define PROGNAME "libusbip" #define copy_descr_attr16(dev, descr, attr) \ ((dev)->attr = le16toh((descr)->attr)) \ #define copy_descr_attr(dev, descr, attr) \ ((dev)->attr = (descr)->attr) \ #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) static struct { enum usb_device_speed speed; const char *name; } speed_names[] = { { .speed = USB_SPEED_UNKNOWN, .name = "UNKNOWN", }, { .speed = USB_SPEED_LOW, .name = "low-speed", }, { .speed = USB_SPEED_FULL, .name = "full-speed", }, { .speed = USB_SPEED_HIGH, .name = "high-speed", }, { .speed = USB_SPEED_WIRELESS, .name = "wireless", }, { .speed = USB_SPEED_SUPER, .name = "super-speed", }, }; static int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev) { const char *path, *name; char filepath[SYSFS_PATH_MAX]; struct usb_device_descriptor descr; unsigned i; FILE *fd = NULL; struct udev_device *plat; const char *speed; int ret = 0; plat = udev_device_get_parent(sdev); path = udev_device_get_syspath(plat); snprintf(filepath, SYSFS_PATH_MAX, "%s/%s", path, VUDC_DEVICE_DESCR_FILE); fd = fopen(filepath, "r"); if (!fd) return -1; ret = fread((char *) &descr, sizeof(descr), 1, fd); if (ret < 0) return -1; fclose(fd); copy_descr_attr(dev, &descr, bDeviceClass); copy_descr_attr(dev, &descr, bDeviceSubClass); copy_descr_attr(dev, &descr, bDeviceProtocol); copy_descr_attr(dev, &descr, bNumConfigurations); copy_descr_attr16(dev, &descr, idVendor); copy_descr_attr16(dev, &descr, idProduct); copy_descr_attr16(dev, &descr, bcdDevice); strncpy(dev->path, path, SYSFS_PATH_MAX); dev->speed = USB_SPEED_UNKNOWN; speed = udev_device_get_sysattr_value(sdev, "current_speed"); if (speed) { for (i = 0; i < ARRAY_SIZE(speed_names); i++) { if (!strcmp(speed_names[i].name, speed)) { dev->speed = speed_names[i].speed; break; } } } /* Only used for user output, little sense to output them in general */ dev->bNumInterfaces = 0; dev->bConfigurationValue = 0; dev->busnum = 0; name = udev_device_get_sysname(plat); strncpy(dev->busid, name, SYSFS_BUS_ID_SIZE); return 0; } static int is_my_device(struct udev_device *dev) { const char *driver; driver = udev_device_get_property_value(dev, "USB_UDC_NAME"); return driver != NULL && !strcmp(driver, USBIP_DEVICE_DRV_NAME); } static int usbip_device_driver_open(struct usbip_host_driver *hdriver) { int ret; hdriver->ndevs = 0; INIT_LIST_HEAD(&hdriver->edev_list); ret = usbip_generic_driver_open(hdriver); if (ret) err("please load " USBIP_CORE_MOD_NAME ".ko and " USBIP_DEVICE_DRV_NAME ".ko!"); return ret; } struct usbip_host_driver device_driver = { .edev_list = LIST_HEAD_INIT(device_driver.edev_list), .udev_subsystem = "udc", .ops = { .open = usbip_device_driver_open, .close = usbip_generic_driver_close, .refresh_device_list = usbip_generic_refresh_device_list, .get_device = usbip_generic_get_device, .read_device = read_usb_vudc_device, .is_my_device = is_my_device, }, }; '>unified
authorJiri Slaby <jslaby@suse.cz>2017-01-18 14:29:21 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-19 08:39:44 +0100
commitb5b46c4740aed1538544f0fa849c5b76c7823469 (patch)
tree125e7aced4835bad6f6a0c0d02d012f333caf922 /net/phonet/sysctl.c
parentfa19a769f82fb9a5ca000b83cacd13fcaeda51ac (diff)
objtool: Fix IRET's opcode
The IRET opcode is 0xcf according to the Intel manual and also to objdump of my vmlinux: 1ea8: 48 cf iretq Fix the opcode in arch_decode_instruction(). The previous value (0xc5) seems to correspond to LDS. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170118132921.19319-1-jslaby@suse.cz Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/phonet/sysctl.c')