^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * ffs-test.c -- user mode filesystem api for usb composite function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2010 Samsung Electronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Michal Nazarewicz <mina86@mina86.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /* $(CROSS_COMPILE)cc -Wall -Wextra -g -o ffs-test ffs-test.c -lpthread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define _DEFAULT_SOURCE /* for endian.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <endian.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <pthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <sys/ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <sys/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <tools/le_byteshift.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include "../../include/uapi/linux/usb/functionfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /******************** Little Endian Handling ********************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * cpu_to_le16/32 are used when initializing structures, a context where a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * function call is not allowed. To solve this, we code cpu_to_le16/32 in a way
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * that allows them to be used when initializing structures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #if __BYTE_ORDER == __LITTLE_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define cpu_to_le16(x) (x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define cpu_to_le32(x) (x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define cpu_to_le16(x) ((((x) >> 8) & 0xffu) | (((x) & 0xffu) << 8))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define cpu_to_le32(x) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) ((((x) & 0xff000000u) >> 24) | (((x) & 0x00ff0000u) >> 8) | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) (((x) & 0x0000ff00u) << 8) | (((x) & 0x000000ffu) << 24))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define le32_to_cpu(x) le32toh(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define le16_to_cpu(x) le16toh(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /******************** Messages and Errors ***********************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static const char argv0[] = "ffs-test";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static unsigned verbosity = 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static void _msg(unsigned level, const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (level < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) level = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) else if (level > 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) level = 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (level <= verbosity) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static const char levels[8][6] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) [2] = "crit:",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) [3] = "err: ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) [4] = "warn:",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) [5] = "note:",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) [6] = "info:",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) [7] = "dbg: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int _errno = errno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) va_list ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) fprintf(stderr, "%s: %s ", argv0, levels[level]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) va_start(ap, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) vfprintf(stderr, fmt, ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) va_end(ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (fmt[strlen(fmt) - 1] != '\n') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) char buffer[128];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) strerror_r(_errno, buffer, sizeof buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) fprintf(stderr, ": (-%d) %s\n", _errno, buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) fflush(stderr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define die(...) (_msg(2, __VA_ARGS__), exit(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define err(...) _msg(3, __VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define warn(...) _msg(4, __VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define note(...) _msg(5, __VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define info(...) _msg(6, __VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define debug(...) _msg(7, __VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define die_on(cond, ...) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (cond) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) die(__VA_ARGS__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /******************** Descriptors and Strings *******************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct usb_functionfs_descs_head_v2 header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) __le32 fs_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) __le32 hs_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) __le32 ss_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct usb_interface_descriptor intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct usb_endpoint_descriptor_no_audio sink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct usb_endpoint_descriptor_no_audio source;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) } __attribute__((packed)) fs_descs, hs_descs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct usb_interface_descriptor intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct usb_endpoint_descriptor_no_audio sink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct usb_ss_ep_comp_descriptor sink_comp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct usb_endpoint_descriptor_no_audio source;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct usb_ss_ep_comp_descriptor source_comp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) } ss_descs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) } __attribute__((packed)) descriptors = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .header = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC_V2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) .flags = cpu_to_le32(FUNCTIONFS_HAS_FS_DESC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) FUNCTIONFS_HAS_HS_DESC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) FUNCTIONFS_HAS_SS_DESC),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .length = cpu_to_le32(sizeof descriptors),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .fs_count = cpu_to_le32(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .fs_descs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .intf = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .bLength = sizeof descriptors.fs_descs.intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .bDescriptorType = USB_DT_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .bNumEndpoints = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .iInterface = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .sink = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) .bLength = sizeof descriptors.fs_descs.sink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) .bDescriptorType = USB_DT_ENDPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .bEndpointAddress = 1 | USB_DIR_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .bmAttributes = USB_ENDPOINT_XFER_BULK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) /* .wMaxPacketSize = autoconfiguration (kernel) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .source = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) .bLength = sizeof descriptors.fs_descs.source,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .bDescriptorType = USB_DT_ENDPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .bEndpointAddress = 2 | USB_DIR_OUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .bmAttributes = USB_ENDPOINT_XFER_BULK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /* .wMaxPacketSize = autoconfiguration (kernel) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .hs_count = cpu_to_le32(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .hs_descs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .intf = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .bLength = sizeof descriptors.fs_descs.intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .bDescriptorType = USB_DT_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .bNumEndpoints = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .iInterface = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .sink = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .bLength = sizeof descriptors.hs_descs.sink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .bDescriptorType = USB_DT_ENDPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .bEndpointAddress = 1 | USB_DIR_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .bmAttributes = USB_ENDPOINT_XFER_BULK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .wMaxPacketSize = cpu_to_le16(512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) .source = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .bLength = sizeof descriptors.hs_descs.source,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .bDescriptorType = USB_DT_ENDPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .bEndpointAddress = 2 | USB_DIR_OUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .bmAttributes = USB_ENDPOINT_XFER_BULK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) .wMaxPacketSize = cpu_to_le16(512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) .bInterval = 1, /* NAK every 1 uframe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) .ss_count = cpu_to_le32(5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .ss_descs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) .intf = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .bLength = sizeof descriptors.fs_descs.intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .bDescriptorType = USB_DT_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .bNumEndpoints = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .iInterface = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .sink = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .bLength = sizeof descriptors.hs_descs.sink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .bDescriptorType = USB_DT_ENDPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .bEndpointAddress = 1 | USB_DIR_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .bmAttributes = USB_ENDPOINT_XFER_BULK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .wMaxPacketSize = cpu_to_le16(1024),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .sink_comp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .bLength = USB_DT_SS_EP_COMP_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .bMaxBurst = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .bmAttributes = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .wBytesPerInterval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .source = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .bLength = sizeof descriptors.hs_descs.source,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) .bDescriptorType = USB_DT_ENDPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) .bEndpointAddress = 2 | USB_DIR_OUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) .bmAttributes = USB_ENDPOINT_XFER_BULK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .wMaxPacketSize = cpu_to_le16(1024),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .bInterval = 1, /* NAK every 1 uframe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .source_comp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .bLength = USB_DT_SS_EP_COMP_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .bMaxBurst = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .bmAttributes = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .wBytesPerInterval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static size_t descs_to_legacy(void **legacy, const void *descriptors_v2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) const unsigned char *descs_end, *descs_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) __u32 length, fs_count = 0, hs_count = 0, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) /* Read v2 header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) const struct usb_functionfs_descs_head_v2 header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) const __le32 counts[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) } __attribute__((packed)) *const in = descriptors_v2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) const __le32 *counts = in->counts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) __u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (le32_to_cpu(in->header.magic) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) FUNCTIONFS_DESCRIPTORS_MAGIC_V2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) length = le32_to_cpu(in->header.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) if (length <= sizeof in->header)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) length -= sizeof in->header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) flags = le32_to_cpu(in->header.flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (flags & ~(FUNCTIONFS_HAS_FS_DESC | FUNCTIONFS_HAS_HS_DESC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) FUNCTIONFS_HAS_SS_DESC))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) #define GET_NEXT_COUNT_IF_FLAG(ret, flg) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) if (!(flags & (flg))) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) break; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (length < 4) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) ret = le32_to_cpu(*counts); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) length -= 4; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ++counts; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) GET_NEXT_COUNT_IF_FLAG(fs_count, FUNCTIONFS_HAS_FS_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) GET_NEXT_COUNT_IF_FLAG(hs_count, FUNCTIONFS_HAS_HS_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) GET_NEXT_COUNT_IF_FLAG(count, FUNCTIONFS_HAS_SS_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) count = fs_count + hs_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (!count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) descs_start = (const void *)counts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) #undef GET_NEXT_COUNT_IF_FLAG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * Find the end of FS and HS USB descriptors. SS descriptors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * are ignored since legacy format does not support them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) descs_end = descs_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) if (length < *descs_end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) length -= *descs_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) descs_end += *descs_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) } while (--count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) /* Allocate legacy descriptors and copy the data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) #pragma GCC diagnostic push
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) struct usb_functionfs_descs_head header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) __u8 descriptors[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) } __attribute__((packed)) *out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) #pragma GCC diagnostic pop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) length = sizeof out->header + (descs_end - descs_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) out = malloc(length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) out->header.magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) out->header.length = cpu_to_le32(length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) out->header.fs_count = cpu_to_le32(fs_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) out->header.hs_count = cpu_to_le32(hs_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) memcpy(out->descriptors, descs_start, descs_end - descs_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) *legacy = out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) return length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) #define STR_INTERFACE_ "Source/Sink"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) static const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct usb_functionfs_strings_head header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) __le16 code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) const char str1[sizeof STR_INTERFACE_];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) } __attribute__((packed)) lang0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) } __attribute__((packed)) strings = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) .header = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) .magic = cpu_to_le32(FUNCTIONFS_STRINGS_MAGIC),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) .length = cpu_to_le32(sizeof strings),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) .str_count = cpu_to_le32(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) .lang_count = cpu_to_le32(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) .lang0 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) cpu_to_le16(0x0409), /* en-us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) STR_INTERFACE_,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) #define STR_INTERFACE strings.lang0.str1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) /******************** Files and Threads Handling ****************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct thread;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static ssize_t ep0_consume(struct thread *t, const void *buf, size_t nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static ssize_t fill_in_buf(struct thread *t, void *buf, size_t nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) static ssize_t empty_out_buf(struct thread *t, const void *buf, size_t nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) static struct thread {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) const char *const filename;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) size_t buf_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) ssize_t (*in)(struct thread *, void *, size_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) const char *const in_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) ssize_t (*out)(struct thread *, const void *, size_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) const char *const out_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) int fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) pthread_t id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) void *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) ssize_t status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) } threads[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) "ep0", 4 * sizeof(struct usb_functionfs_event),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) read_wrap, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) ep0_consume, "<consume>",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 0, 0, NULL, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) "ep1", 8 * 1024,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) fill_in_buf, "<in>",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) write_wrap, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 0, 0, NULL, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) "ep2", 8 * 1024,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) read_wrap, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) empty_out_buf, "<out>",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 0, 0, NULL, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) static void init_thread(struct thread *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) t->buf = malloc(t->buf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) die_on(!t->buf, "malloc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) t->fd = open(t->filename, O_RDWR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) die_on(t->fd < 0, "%s", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) static void cleanup_thread(void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) struct thread *t = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) int ret, fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) fd = t->fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (t->fd < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) t->fd = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) /* test the FIFO ioctls (non-ep0 code paths) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (t != threads) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) ret = ioctl(fd, FUNCTIONFS_FIFO_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) /* ENODEV reported after disconnect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) if (errno != ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) err("%s: get fifo status", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) } else if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) warn("%s: unclaimed = %d\n", t->filename, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) if (ioctl(fd, FUNCTIONFS_FIFO_FLUSH) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) err("%s: fifo flush", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) if (close(fd) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) err("%s: close", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) free(t->buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) t->buf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static void *start_thread_helper(void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) const char *name, *op, *in_name, *out_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) struct thread *t = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) info("%s: starts\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) in_name = t->in_name ? t->in_name : t->filename;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) out_name = t->out_name ? t->out_name : t->filename;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) pthread_cleanup_push(cleanup_thread, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) pthread_testcancel();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) ret = t->in(t, t->buf, t->buf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) if (ret > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) ret = t->out(t, t->buf, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) name = out_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) op = "write";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) name = in_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) op = "read";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (ret > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) /* nop */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) } else if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) debug("%s: %s: EOF", name, op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) } else if (errno == EINTR || errno == EAGAIN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) debug("%s: %s", name, op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) warn("%s: %s", name, op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) pthread_cleanup_pop(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) t->status = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) info("%s: ends\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) static void start_thread(struct thread *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) debug("%s: starting\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) die_on(pthread_create(&t->id, NULL, start_thread_helper, t) < 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) "pthread_create(%s)", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) static void join_thread(struct thread *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) int ret = pthread_join(t->id, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) err("%s: joining thread", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) debug("%s: joined\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return read(t->fd, buf, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) return write(t->fd, buf, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) /******************** Empty/Fill buffer routines ****************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) /* 0 -- stream of zeros, 1 -- i % 63, 2 -- pipe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) enum pattern { PAT_ZERO, PAT_SEQ, PAT_PIPE };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) static enum pattern pattern;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) fill_in_buf(struct thread *ignore, void *buf, size_t nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) size_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) __u8 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) (void)ignore;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) switch (pattern) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) case PAT_ZERO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) memset(buf, 0, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) case PAT_SEQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) for (p = buf, i = 0; i < nbytes; ++i, ++p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) *p = i % 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) case PAT_PIPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return fread(buf, 1, nbytes, stdin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) empty_out_buf(struct thread *ignore, const void *buf, size_t nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) const __u8 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) __u8 expected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) (void)ignore;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) switch (pattern) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) case PAT_ZERO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) expected = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) for (p = buf, len = 0; len < nbytes; ++p, ++len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (*p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) goto invalid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) case PAT_SEQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) for (p = buf, len = 0; len < nbytes; ++p, ++len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) if (*p != len % 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) expected = len % 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) goto invalid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) case PAT_PIPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) ret = fwrite(buf, nbytes, 1, stdout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) if (ret > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) fflush(stdout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) invalid:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) err("bad OUT byte %zd, expected %02x got %02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) len, expected, *p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) for (p = buf, len = 0; len < nbytes; ++p, ++len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) if (0 == (len % 32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) fprintf(stderr, "%4zd:", len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) fprintf(stderr, " %02x", *p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) if (31 == (len % 32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) fprintf(stderr, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) fflush(stderr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) errno = EILSEQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) /******************** Endpoints routines ************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) static void handle_setup(const struct usb_ctrlrequest *setup)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) printf("bRequestType = %d\n", setup->bRequestType);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) printf("bRequest = %d\n", setup->bRequest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) printf("wValue = %d\n", le16_to_cpu(setup->wValue));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) printf("wIndex = %d\n", le16_to_cpu(setup->wIndex));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) printf("wLength = %d\n", le16_to_cpu(setup->wLength));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) ep0_consume(struct thread *ignore, const void *buf, size_t nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) static const char *const names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) [FUNCTIONFS_BIND] = "BIND",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) [FUNCTIONFS_UNBIND] = "UNBIND",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) [FUNCTIONFS_ENABLE] = "ENABLE",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) [FUNCTIONFS_DISABLE] = "DISABLE",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) [FUNCTIONFS_SETUP] = "SETUP",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) [FUNCTIONFS_SUSPEND] = "SUSPEND",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) [FUNCTIONFS_RESUME] = "RESUME",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) const struct usb_functionfs_event *event = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) size_t n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) (void)ignore;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) for (n = nbytes / sizeof *event; n; --n, ++event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) switch (event->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) case FUNCTIONFS_BIND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) case FUNCTIONFS_UNBIND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) case FUNCTIONFS_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) case FUNCTIONFS_DISABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) case FUNCTIONFS_SETUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) case FUNCTIONFS_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) case FUNCTIONFS_RESUME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) printf("Event %s\n", names[event->type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) if (event->type == FUNCTIONFS_SETUP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) handle_setup(&event->u.setup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) printf("Event %03u (unknown)\n", event->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) static void ep0_init(struct thread *t, bool legacy_descriptors)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) void *legacy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) if (legacy_descriptors) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) info("%s: writing descriptors\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) goto legacy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) info("%s: writing descriptors (in v2 format)\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) ret = write(t->fd, &descriptors, sizeof descriptors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) if (ret < 0 && errno == EINVAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) warn("%s: new format rejected, trying legacy\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) legacy:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) len = descs_to_legacy(&legacy, &descriptors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) if (len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) ret = write(t->fd, legacy, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) free(legacy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) die_on(ret < 0, "%s: write: descriptors", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) info("%s: writing strings\n", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) ret = write(t->fd, &strings, sizeof strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) die_on(ret < 0, "%s: write: strings", t->filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) /******************** Main **************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) int main(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) bool legacy_descriptors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) unsigned i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) legacy_descriptors = argc > 2 && !strcmp(argv[1], "-l");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) init_thread(threads);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) ep0_init(threads, legacy_descriptors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) for (i = 1; i < sizeof threads / sizeof *threads; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) init_thread(threads + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) for (i = 1; i < sizeof threads / sizeof *threads; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) start_thread(threads + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) start_thread_helper(threads);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) for (i = 1; i < sizeof threads / sizeof *threads; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) join_thread(threads + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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