11 Dec, 2009
1 commit
-
Half the compat_ioctl handling is in devio.c, the other
half is in fs/compat_ioctl.c. This moves everything into
one place for consistency.As a positive side-effect, push down the BKL into the
ioctl methods.Signed-off-by: Arnd Bergmann
Acked-by: Greg Kroah-Hartman
Cc: Alan Stern
Cc: Oliver Neukum
Cc: Alon Bar-Lev
Cc: David Vrabel
Cc: linux-usb@vger.kernel.org
23 Sep, 2009
2 commits
-
This patch (as1283) adds a new flag, USBDEVFS_URB_BULK_CONTINUATION,
to usbfs. It is intended for userspace libraries such as libusb and
openusb. When they have to break up a single usbfs bulk transfer into
multiple URBs, they will set the flag on all but the first URB of the
series.If an error other than an unlink occurs, the kernel will automatically
cancel all the following URBs for the same endpoint and refuse to
accept new submissions, until an URB is encountered that is not marked
as a BULK_CONTINUATION. Such an URB would indicate the start of a new
transfer or the presence of an older library, so the kernel returns to
normal operation.This enables libraries to delimit bulk transfers correctly, even in
the presence of early termination as indicated by short packets.Signed-off-by: Alan Stern
Signed-off-by: Greg Kroah-Hartman -
This patch (as1258) implements a feature that users have been asking
for: It gives programs the ability to "claim" a port on a hub, via a
new usbfs ioctl. A device plugged into a "claimed" port will not be
touched by the kernel beyond the immediate necessities of
initialization and enumeration.In particular, when a device is plugged into a "claimed" port, the
kernel will not select and install a configuration. And when a config
is installed by usbfs or sysfs, the kernel will not probe any drivers
for any of the interfaces. (However the kernel will fetch various
string descriptors during enumeration. One could argue that this
isn't really necessary, but the strings are exported in sysfs.)The patch does not guarantee exclusive access to these devices; it is
still possible for more than one program to open the device file
concurrently. Programs are responsible for coordinating access among
themselves.A demonstration program showing how to use the new interface can be
found in an attachment tohttp://marc.info/?l=linux-usb&m=124345857431452&w=2
The patch also makes a small simplification to the hub driver,
replacing a bunch of more-or-less useless variants of "out of memory"
with a single message.Signed-off-by: Alan Stern
Signed-off-by: Greg Kroah-Hartman
22 Jul, 2008
1 commit
-
This patch removes CVS keywords that weren't updated for a long time
from comments.Signed-off-by: Adrian Bunk
Signed-off-by: Greg Kroah-Hartman
25 Apr, 2008
1 commit
-
This patch (as1079) cleans up the way URB_* flags are exported in
usbfs.The URB_NO_INTERRUPT flag is now exported (this is the
only behavioral change).USBDEVFS_URB_* macros are added for URB_NO_FSBR,
URB_ZERO_PACKET, and URB_NO_INTERRUPT, making explicit the
fact that the kernel accepts them.The flag matching takes into account that the URB_* values
may change as the kernel evolves, whereas the USBDEVFS_URB_*
values must remain fixed since they are a user API.Signed-off-by: Alan Stern
Signed-off-by: Greg Kroah-Hartman
02 Feb, 2008
1 commit
-
fix warning:
drivers/usb/core/devio.c:1226:20: warning: incorrect type in assignment (different address spaces)
drivers/usb/core/devio.c:1226:20: expected void *usercontext
drivers/usb/core/devio.c:1226:20: got void [noderef] *Signed-off-by: Marcin Slusarz
Signed-off-by: Greg Kroah-Hartman
29 Nov, 2007
1 commit
-
This trivial documentation patch corrects a comment in usbdevice_fs.h; it
previously suggested that the signal would only be sent on error, but I am
told that it is sent on both successful and unsuccessful completion, and
that zero indicates that no signal should be sent.Signed-off-by: Phil Endecott
Signed-off-by: Greg Kroah-Hartman
17 Feb, 2007
1 commit
-
Use __u32 rather than u32 in userspace ioctl defines.
Signed-off-by: Mike Frysinger
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman
24 Sep, 2006
1 commit
-
Signed-off-by: Jeff Garzik
25 Apr, 2006
1 commit
-
Signed-off-by: David Woodhouse
29 Oct, 2005
1 commit
-
Dell supplied me with the following test:
#include
#include
#include
#include
#includemain(int argc,char*argv[])
{
struct usbdevfs_hub_portinfo hubPortInfo = {0};
struct usbdevfs_ioctl command = {0};
command.ifno = 0;
command.ioctl_code = USBDEVFS_HUB_PORTINFO;
command.data = (void*)&hubPortInfo;
int fd, ret;
if(argc != 2) {
fprintf(stderr,"Usage: %s /proc/bus/usb//\n",argv[0]);
fprintf(stderr,"Example: %s /proc/bus/usb/001/001\n",argv[0]);
exit(1);
}
errno = 0;
fd = open(argv[1],O_RDWR);
if(fd < 0) {
perror("open failed:");
exit(errno);
}
errno = 0;
ret = ioctl(fd,USBDEVFS_IOCTL,&command);
printf("IOCTL return status:%d\n",ret);
if(ret
Signed-off-by: Greg Kroah-Hartman
13 Sep, 2005
1 commit
-
[USBDEVFS] fix inclusion of to avoud header mess
Without moving the include of compat.h down, userspace programs that use
usbdevice_fs.h end up including half the kernel includes (and eventually
fail to compile).Signed-off-by: Harald Welte
Signed-off-by: Greg Kroah-Hartman
17 Apr, 2005
1 commit
-
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.Let it rip!
