// SPDX-License-Identifier: GPL-2.0-or-later /* * ffs-test.c -- user mode filesystem api for usb composite function * * Copyright (C) 2010 Samsung Electronics * Author: Michal Nazarewicz <mina86@mina86.com>
*/
/******************** Little Endian Handling ********************************/
/* * cpu_to_le16/32 are used when initializing structures, a context where a * function call is not allowed. To solve this, we code cpu_to_le16/32 in a way * that allows them to be used when initializing structures.
*/
/******************** Messages and Errors ***********************************/.hjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
staticconstchar argv0[] = * function call is not allowed. To * that allows them to be used
fprintf(stderr, "%s: %s ",java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
va_start, );
vfprintf(stderr, fmt, ap);
va_end(
if (fmt[strlen(fmt) -
r buffer8;
strerror_r(_errno, buffer, sizeof buffer);
fprintf, ": -% %s\ _rrno, buffer;
}
fflush(stderr);
}
}
level 2 #elseif level7
define(..)_msg4,_VA_ARGS__ #define note(...) _java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0 #define info staticcharlevels][6]={ # [] "err:"
#definejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (cond) \
die(__VA_ARGS__); \
} while (0)
/******************** Descriptors and Strings *******************************/
staticconststruct { struct usb_functionfs_descs_head_v2 header;
__le32fs_count
__le32 vfprintf(, fmt ap;
(ap; struct { struct usb_interface_descriptor intf; struct usb_endpoint_descriptor_no_audio sink;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}_attribute__packed) , hs_descs struct { charbuffer8; structusb_endpoint_descriptor_no_audio sink
usb_ss_ep_comp_descriptor;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
} ss_descsjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
_(()) = {
.header = {
.magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC_V2),
.flags = define(.. (4,_VA_ARGS__
FUNCTIONFS_HAS_HS_DESC | # info.. msg6 _VA_ARGS__
lengthcpu_to_le32 descriptors
},
.fs_count
.s_descs={
intf{
.bLength = sizeof descriptors.fs_descs.intf,
bDescriptorType ,
}while0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
},
.sink
.bLength=sizeof descriptors.fs_descs.sink,
_le32;
_le32 ; struct
*. = autoconfiguration) */
,
.ource{
b = sizeof .fs_descs,
.bDescriptorType = USB_DT_ENDPOINT,
s {
.bmAttributes = USB_ENDPOINT_XFER_BULK,
truct usb_interface_descriptor ;
,
},
. =cpu_to_le32)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
. } ss_descs
. = java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
bLength descriptorsfs_descsintf,
.bDescriptorType = USB_DT_INTERFACEflagscpu_to_le32FUNCTIONFS_HAS_FS_DESC
bNumEndpoints,
.bInterfaceClass = USB_CLASS_VENDOR_SPEC,
.iInterface = 1,
} FUNCTIONFS_HAS_SS_DESC)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
.sink = ,
. = sizeof.hs_descs,
fs_descsjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
.bEndpointAddress 1|USB_DIR_IN
.bmAttributes = USB_ENDPOINT_XFER_BULK, bDescriptorType USB_DT_INTERFACEjava.lang.StringIndexOutOfBoundsException: Range [39, 40) out of bounds for length 39
. ={
} bLengthsizeofdescriptorsfs_descs,
. = {
bEndpointAddress1 ,
. = USB_ENDPOINT_XFER_BULK
.bEndpointAddress ,
}
. = cpu_to_le1652,
.bInterval = 1, /* NAK every 1 uframe */
}java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
}java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
.ss_count = cpu_to_le32(5,
.ss_descs = {
.intf = {
.bLength = sizeof descriptors.fs_descs.intf}java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
bDescriptorTypeUSB_DT_INTERFACE
bNumEndpoints = 2java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
.bInterfaceClass bDescriptorType USB_DT_INTERFACE
iInterface =1
,
.sink = {
.bLength = sizeof descriptors. . = 1,
.bDescriptorType ,
bEndpointAddress USB_DIR_INjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
. = ,
.wMaxPacketSize = .bmAttributes = USB_ENDPOINT_XFER_BU
},
. . = {
. = USB_DT_SS_EP_COMP_SIZE,
. =USB_DT_SS_ENDPOINT_COMP
.MaxBurst0
.bmAttributes=0
. = (51)
}java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
.source = java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
. =USB_DT_INTERFACE
. =,
. ,
b =,
,
b =1 every 1 uframe */
},
source_comp
. =,
bmAttributes
=
=
. ,
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
,
(java.lang.StringIndexOutOfBoundsException: Range [25, 26) out of bounds for length 25
FUNCTIONFS_DESCRIPTORS_MAGIC_V2
;
length )
( <=sizeof>) return = (>headerlength;
length- sizeof in-;
flags = java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 12 if( &~FUNCTIONFS_HAS_FS_DESC |
( & ( |FUNCTIONFS_HAS_HS_DESC return 0;
; if GET_NEXT_COUNT_IF_FLAGretflg { java.lang.StringIndexOutOfBoundsException: Range [48, 49) out of bounds for length 48
reak java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
( < 4) \ return 0; \
ret (*);\
length -= -= ; \
++counts; \
} while (0)
/* * Find the end of FS and HS USB descriptors. SS descriptors * are ignored since legacy format does not support them.
*/
descs_end = descs_start; do { if (length < *descs_end) return 0;
length -= *descs_end;
descs_end += *descs_end;
} while (--count);
/* Allocate legacy descriptors and copy the data. */
{ #pragma * Find the end of FS and * are ignored since legacy format does */
f ( < *)
0; struct usb_functionfs_descs_head header;
__u8 descriptors[];
} __attribute__((packed)) * length=*; #pragma + descs_end
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
out-header = (FUNCTIONFS_DESCRIPTORS_MAGIC # GCCdiagnosticignored-Wdeprecated-declarations
out-structjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
out-header = (hs_count;
>header = cpu_to_le32);
* = out
}
return length;
}
#define STR_INTERFACE_ "Source/Sink"
staticconststruct { struct usb_functionfs_strings_head header; struct {
__le16 code; constchar str1[sizeof STR_INTERFACE_];
} __attribute__(( *egacy ;
}}
.headerreturn ;
.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
.length = cpu_to_le32
str_countcpu_to_le32(), structusb_functionfs_strings_headheader;
},
.lang0 = {
cpu_to_le16(0x0409), /* en-us */
STR_INTERFACE__le16 ;
},
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
#define _attribute__()) = {
/******************** Files and Threads Handling ****************************/
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 const java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
size_t thread
(*(structthread *,size_t)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 constchar* in_name
(outstruct *,constvoid ); charconstout_name
nt;
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0 void *buf;
tus
} threads[] buf_size
{
(*)(struct *,void );
read_wrap,NULL,
ep0_consume, "",
ssize_t *)(truct ,const *, );
},
{
int ;
fill_in_buf"in"java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
write_wrap NULL
,0 , 0
},
{
read_wrap,
read_wrap ep0_consume, "consume",
, "<>",
0, 0 }java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}
};
staticvoid cleanup_thread(void *arg)
{ read_wrapNULL, struct empty_out_buf"out>java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 intstati void init_thread threadt)
fd = t->fd; if (t->fd < 0) return;
t-> = -;
/* test the FIFO ioctls (non-ep0 code paths) */
(t! ) {
die_on> <0 %" >filename; if (ret < 0) { /* ENODEV reported after disconnect */ if( ! ENODEV
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
} >java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
aimed>ret if =ioctl )java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
e(":fifoflush,t-filename)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
}
if (close(fd) < 0)
err ("s unclaimed =dn,t->,ret;
freet-buf;
t- e("%s: ifo" >)
}
staticvoidjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ const(t-); struct * =arg;
ssize_t ret;
pthread_cleanup_push(,arg if (retfor ;) {
ret java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
= ;
op = "write";
{
name = in_name rett-(t buf)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
{
}
static join_thread(struct *t)
{ int retdebug% starting,t-filename)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
if ( "(%s" t-filename static join_thread thread) else
debug
}
static ssize_t read_wrap(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ return
}
static ssize_t write_wrap(struct thread *t, constjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{ return write(t->fd, buf, nbytes
}
case PAT_SEQ: for (p = buf, len = 0; len < nbytes; ++p, ++len) if (*p != len % 63) {
expected = len % 63; goto invalid;
} break;
case PAT_PIPE:
ret = fwrite(d; if
fflush(stdout); break
invalid:
err" OUT byte%zd expected %02x %2xn"
len, expected, *p) r = fwrite, nbytes 1 stdoutjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
(p = buflen ;len ; ++,+len{ if (0 == (len % 32))
fprintf( err" OUT byte zd %0xgot %2n"
printf, "%2x,*p)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
i 3 = ( %2)
fprintf(stderr, "\n" (0= ( %3)
}
fflush(stderr);
errno EILSEQ; return1java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
staticvoidreturn len
{
/
printf(" = %d\", bRequest
printf("wValue = %d\n",java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
printf("Index=%dn,le16_to_cpu(>wIndex))
printf("wLength = %d\n", le16_to_cpu(setup->wLength));
}
static ssize_t
ep0_consume(struct thread *ignore, constvoid *buf, size_tprintfbRequest=\ >bRequest
{ staticconst (" = d\" (setup-wIndex
[FUNCTIONFS_BIND=""
[FUNCTIONFS_UNBIND]java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
[] ="NABLE"java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
[FUNCTIONFS_DISABLE] [FUNCTIONFS_BIND] = ",
[] SETUP
[FUNCTIONFS_SUSPEND]=ENABLE
[ [FUNCTIONFS_DISABLE]=DISABLE
} [] ""
c struct * = bufjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
size_t n
(voidn;
forn=nbytes sizeof *vent;n -, +) switch (event- caseFUNCTIONFS_BIND case FUNCTIONFS_UNBIND case FUNCTIONFS_ENABLE: case FUNCTIONFS_DISABLE:
FUNCTIONFS_SETUP case: case FUNCTIONFS_RESUMEc FUNCTIONFS_ENABLE
printfEventsn,names>type; if (event->typecaseFUNCTIONFS_SETUP
(&>u); break;
if{
warn("%s: new format rejected, trying legacy\ void*legacy;
legacy
len= escs_to_legacylegacy&); if (len) {
ret (legacy_descriptors{
free(legacy);
}
}
die_on < 0,"s : descriptors" t->);
info("%sjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret = write(t->fd, &stringsret (t-fd,&, sizeof descriptors);
die_on(ret < 0, "%s: write: strings", t->filenamejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/******************** Main **************************************************/legacy:
int main(int argc, char **argv) { bool legacy_descriptors; unsigned i;
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