Add a special function to reset the host usb device. It tracks the time
needed by the USBDEVFS_RESET ioctl and prints a warning in case it needs
too long. Usually it should be finished in 200 - 300 miliseconds.
Warning threshold is one second.
Intention is to help troubleshooting by indicating that the usb device
stopped responding even to a reset request and is possibly broken.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
vvfat caches more or less everything when in writable mode. For migration
to work, it would have to be invalidated. Block migration for now when
in writable mode (default is readonly).
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
vdi caches the block map. For migration to work, it would have to be
invalidated. Block migration for now.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The mmio register name list only had the names for four port status
registers. We emulate a EHCI adapter with six ports though, the last
two ones are listed as "unknown" in traces. Fix it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch makes iPXE work with the rtl8139 emulation. The rtl8139
driver in iPXE issues a 16bit access on the ChipCmd register
(offset 0x37) to check the status of the rx buffer. The offset of the
ioport access was getting fixed up to 0x36 in qemu, causing the value
read in iPXE to be invalid.
This fixes an issue with iPXE reporting timeouts during TFTP transfers.
Reposting this here because it is trivial enough and the original post
on qemu-devel didn't attract much attention.
Also, the inw() which was causing the issue has been replaced with an
inb() in upstream iPXE:
https://git.ipxe.org/ipxe.git/commit/91dd64ad25baa27954a7518e73df4fca8a2d0c93
Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
When detaching devices from the usb hub we must wakeup too,
otherwise the host misses the detach event.
Commit 4a33a9ea06 does the
same for device attach.
Found by hkran@linux.vnet.ibm.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
qdev doesn't call the ->exit callback on ->init failures, so we have to
take care ourself that we cleanup property on errors.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Use qdev_init() instead of qdev_init_nofail(), usb device initialization
can fail, most common case being port and device speed mismatch. Handle
failures correctly and pass up NULL pointers then.
Also fixup usb_create_simple() callers (only one was buggy) to properly
check for NULL pointers before referncing the usb_create_simple() return
value.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
get_str_sep() can fail, but net_slirp_hostfwd_remove() doesn't check.
Works, because it initializes buf[] to "", which get_str_sep() doesn't
touch when it fails. Coverity doesn't like it, and neither do I.
Change it to work exactly like slirp_hostfwd().
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
s->lock should be unlocked before leaving add_aio_request.
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
There is no reason why a scsi-generic device cannot boot if it has
the right type, and indeed it provides already a bootindex property.
So register those devices too.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The pre-1.0 firmware path for SCSI devices already included the LUN
using the suffix argument to add_boot_device_path. Avoid that it is
included twice, and convert the colons to commas for consistency with
other kinds of devices
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Benoît Canet