#ifndef __UHID_H_ #define __UHID_H_ /* * User-space I/O driver support for HID subsystem * Copyright (c) 2012 David Herrmann */ /* * 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. */ /* * Public header for user-space communication. We try to keep every structure * aligned but to be safe we also use __attribute__((__packed__)). Therefore, * the communication should be ABI compatible even between architectures. */ #include #include #include enum uhid_event_type { __UHID_LEGACY_CREATE, UHID_DESTROY, UHID_START, UHID_STOP, UHID_OPEN, UHID_CLOSE, UHID_OUTPUT, __UHID_LEGACY_OUTPUT_EV, __UHID_LEGACY_INPUT, UHID_GET_REPORT, UHID_GET_REPORT_REPLY, UHID_CREATE2, UHID_INPUT2, UHID_SET_REPORT, UHID_SET_REPORT_REPLY, }; struct uhid_create2_req { __u8 name[128]; __u8 phys[64]; __u8 uniq[64]; __u16 rd_size; __u16 bus; __u32 vendor; __u32 product; __u32 version; __u32 country; __u8 rd_data[HID_MAX_DESCRIPTOR_SIZE]; } __attribute__((__packed__)); enum uhid_dev_flag { UHID_DEV_NUMBERED_FEATURE_REPORTS = (1ULL << 0), UHID_DEV_NUMBERED_OUTPUT_REPORTS = (1ULL << 1), UHID_DEV_NUMBERED_INPUT_REPORTS = (1ULL << 2), }; struct uhid_start_req { __u64 dev_flags; }; #define UHID_DATA_MAX 4096 enum uhid_report_type { UHID_FEATURE_REPORT, UHID_OUTPUT_REPORT, UHID_INPUT_REPORT, }; struct uhid_input2_req { __u16 size; __u8 data[UHID_DATA_MAX]; } __attribute__((__packed__)); struct uhid_output_req { __u8 data[UHID_DATA_MAX]; __u16 size; __u8 rtype; } __attribute__((__packed__)); struct uhid_get_report_req { __u32 id; __u8 rnum; __u8 rtype; } __attribute__((__packed__)); struct uhid_get_report_reply_req { __u32 id; __u16 err; __u16 size; __u8 data[UHID_DATA_MAX]; } __attribute__((__packed__)); struct uhid_set_report_req { __u32 id; __u8 rnum; __u8 rtype; __u16 size; __u8 data[UHID_DATA_MAX]; } __attribute__((__packed__)); struct uhid_set_report_reply_req { __u32 id; __u16 err; } __attribute__((__packed__)); /* * Compat Layer * All these commands and requests are obsolete. You should avoid using them in * new code. We support them for backwards-compatibility, but you might not get * access to new feature in case you use them. */ enum uhid_legacy_event_type { UHID_CREATE = __UHID_LEGACY_CREATE, UHID_OUTPUT_EV = __UHID_LEGACY_OUTPUT_EV, UHID_INPUT = __UHID_LEGACY_INPUT, UHID_FEATURE = UHID_GET_REPORT, UHID_FEATURE_ANSWER = UHID_GET_REPORT_REPLY, }; /* Obsolete! Use UHID_CREATE2. */ struct uhid_create_req { __u8 name[128]; __u8 phys[64]; __u8 uniq[64]; __u8 __user *rd_data; __u16 rd_size; __u16 bus; __u32 vendor; __u32 product; __u32 version; __u32 country; } __attribute__((__packed__)); /* Obsolete! Use UHID_INPUT2. */ struct uhid_input_req { __u8 data[UHID_DATA_MAX]; __u16 size; } __attribute__((__packed__)); /* Obsolete! Kernel uses UHID_OUTPUT exclusively now. */ struct uhid_output_ev_req { __u16 type; __u16 code; __s32 value; } __attribute__((__packed__)); /* Obsolete! Kernel uses ABI compatible UHID_GET_REPORT. */ struct uhid_feature_req { __u32 id; __u8 rnum; __u8 rtype; } __attribute__((__packed__)); /* Obsolete! Use ABI compatible UHID_GET_REPORT_REPLY. */ struct uhid_feature_answer_req { __u32 id; __u16 err; __u16 size; __u8 data[UHID_DATA_MAX]; } __attribute__((__packed__)); /* * UHID Events * All UHID events from and to the kernel are encoded as "struct uhid_event". * The "type" field contains a UHID_* type identifier. All payload depends on * that type and can be accessed via ev->u.XYZ accordingly. * If user-space writes short events, they're extended with 0s by the kernel. If * the kernel writes short events, user-space shall extend them with 0s. */ struct uhid_event { __u32 type; union { struct uhid_create_req create; struct uhid_input_req input; struct uhid_output_req output; struct uhid_output_ev_req output_ev; struct uhid_feature_req feature; struct uhid_get_report_req get_report; struct uhid_feature_answer_req feature_answer; struct uhid_get_report_reply_req get_report_reply; struct uhid_create2_req create2; struct uhid_input2_req input2; struct uhid_set_report_req set_report; struct uhid_set_report_reply_req set_report_reply; struct uhid_start_req start; } u; } __attribute__((__packed__)); #endif /* __UHID_H_ */ tr> committerIngo Molnar <mingo@kernel.org>2017-01-19 08:39:44 +0100 commitb5b46c4740aed1538544f0fa849c5b76c7823469 (patch) tree125e7aced4835bad6f6a0c0d02d012f333caf922 /drivers/usb/dwc2 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 'drivers/usb/dwc2')