Commit Graph

1135 Commits

Author SHA1 Message Date
Daniel P. Berrangé 375cb86d9f usb-mtp: fix bounds check for guest provided filename
The ObjectInfo struct has a variable length array containing the UTF-16
encoded filename. The number of characters of trailing data is given by
the 'length' field in the struct and this must be validated against the
size of the data packet received from the guest.

Since the data is UTF-16, we must convert the byte count we have to a
character count before validating. This must take care to truncate if
a malicious guest sent an odd number of bytes.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-04-16 20:43:39 +01:00
Daniel P. Berrangé b4682a63f8 filemon: fix watch IDs to avoid potential wraparound issues
Watch IDs are allocated from incrementing a int counter against
the QFileMonitor object. In very long life QEMU processes with
a huge amount of USB MTP activity creating & deleting directories
it is just about conceivable that the int counter can wrap
around. This would result in incorrect behaviour of the file
monitor watch APIs due to clashing watch IDs.

Instead of trying to detect this situation, this patch changes
the way watch IDs are allocated. It is turned into an int64_t
variable where the high 32 bits are set from the underlying
inotify "int" ID. This gives an ID that is guaranteed unique
for the directory as a whole, and we can rely on the kernel
to enforce this. QFileMonitor then sets the low 32 bits from
a per-directory counter.

The USB MTP device only sets watches on the directory as a
whole, not files within, so there is no risk of guest
triggered wrap around on the low 32 bits.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-04-02 13:52:02 +01:00
Bandan Das b396733df3 usb-mtp: remove usb_mtp_object_free_one
This function is used in the delete path only and can
be replaced by a call to usb_mtp_object_free.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bandan Das <bsd@redhat.com>
Message-Id: <20190401211712.19012-3-bsd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-04-02 07:22:49 +02:00
Bandan Das 4bc1591681 usb-mtp: fix return status of delete
Spotted by Coverity: CID 1399414

mtp delete allows the return status of delete succeeded,
partial_delete or readonly - when none of the objects could be
deleted. Give more meaningful names to return values of the
delete function.

Some initiators recurse over the objects themselves. In that case,
only READ_ONLY can be returned.

Signed-off-by: Bandan Das <bsd@redhat.com>
Message-Id: <20190401211712.19012-2-bsd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-04-02 07:22:40 +02:00
Peter Maydell 5189e30b14 hw/usb/bus.c: Handle "no speed matched" case in usb_mask_to_str()
In usb_mask_to_str() we convert a mask of USB speeds into
a human-readable string (like "full+high") for use in
tracing and error messages. However the conversion code
doesn't do anything to the string buffer if the passed in
speedmask doesn't match any of the recognized speeds,
which means that the tracing and error messages will
end up with random garbage in them. This can happen if
we're doing USB device passthrough.

Handle the "unrecognized speed" case by using the
string "unknown".

Fixes: https://bugs.launchpad.net/qemu/+bug/1603785
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20190328133503.6490-1-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-04-01 08:53:44 +02:00
Laurent Vivier ab8789987f ohci: don't die on ED_LINK_LIMIT overflow
Stop processing the descriptor list instead. The next frame timer tick will
resume the work

Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1686705
Suggested-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-id: 20190321085212.10796-1-lvivier@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-26 12:01:45 +01:00
Markus Armbruster 500016e5db trace-events: Shorten file names in comments
We spell out sub/dir/ in sub/dir/trace-events' comments pointing to
source files.  That's because when trace-events got split up, the
comments were moved verbatim.

Delete the sub/dir/ part from these comments.  Gets rid of several
misspellings.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190314180929.27722-3-armbru@redhat.com
Message-Id: <20190314180929.27722-3-armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-03-22 16:18:07 +00:00
Kővágó, Zoltán 85bc58520c audio: use qapi AudioFormat instead of audfmt_e
I had to include an enum for audio sampling formats into qapi, but that
meant duplicating the audfmt_e enum.  This patch replaces audfmt_e and
associated values with the qapi generated AudioFormat enum.

This patch is mostly a search-and-replace, except for switches where the
qapi generated AUDIO_FORMAT_MAX caused problems.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 01251b2758a1679c66842120b77c0fb46d7d0eaf.1552083282.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-11 10:29:26 +01:00
Peter Maydell 234afe7828 - qtest fixes
- Some generic clean-ups by Philippe
 - macOS CI testing via cirrus-ci.com
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2019-03-08' into staging

- qtest fixes
- Some generic clean-ups by Philippe
- macOS CI testing via cirrus-ci.com

# gpg: Signature made Fri 08 Mar 2019 08:58:47 GMT
# gpg:                using RSA key 2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2019-03-08:
  cirrus.yml: Add macOS continuous integration task
  tests/bios-tables: Improve portability by searching bash in the $PATH
  vhost-user-test: fix leaks
  tests: Do not use "\n" in g_test_message() strings
  hw/devices: Remove unused TC6393XB_RAM definition
  hw: Remove unused 'hw/devices.h' include
  tests: Move qdict-test-data.txt to tests/data/qobject/

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	tests/vhost-user-test.c
2019-03-08 16:31:34 +00:00
Philippe Mathieu-Daudé 04f3c0084d hw: Remove unused 'hw/devices.h' include
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-03-07 22:16:11 +01:00
Paolo Bonzini 03b348bdcb scsi: express dependencies with Kconfig
This automatically removes the SCSI subsystem from the
binary altogether if no controllers are selected.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20190123065618.3520-34-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Paolo Bonzini d6e9c470fc build: convert usb.mak to Kconfig
Instead of including the same list of devices for each target,
let the host controllers select CONFIG_USB and make the devices
default to present whenever USB is available.

Done with the following script:
  while read i; do
     i=${i%=y}; i=${i#CONFIG_}
     sed -i -e'/^config '$i'$/!b' -en \
            -e'a\' -e'    default y\' -e'    depends on USB' \
          `grep -lw $i hw/*/Kconfig`
  done < default-configs/usb.mak

followed by adding "select USB" on the host controllers.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190123065618.3520-33-yang.zhong@intel.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Paolo Bonzini 7c28b925b7 build: convert pci.mak to Kconfig
Instead of including the same list of devices for each target,
set CONFIG_PCI to true, and make the devices default to present
whenever PCI is available.  However, s390x does not want all the
PCI devices, so there is a separate symbol to enable them.

Done mostly with the following script:

  while read i; do
     i=${i%=y}; i=${i#CONFIG_}
     sed -i -e'/^config '$i'$/!b' -en \
            -e'a\' -e'    default y if PCI_DEVICES\' -e'    depends on PCI' \
          `grep -lw $i hw/*/Kconfig`
  done < default-configs/pci.mak

followed by replacing a few "depends on" clauses with "select"
whenever the symbol is not really related to PCI.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190123065618.3520-31-yang.zhong@intel.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Paolo Bonzini 82f5181777 kconfig: introduce kconfig files
The Kconfig files were generated mostly with this script:

  for i in `grep -ho CONFIG_[A-Z0-9_]* default-configs/* | sort -u`; do
    set fnord `git grep -lw $i -- 'hw/*/Makefile.objs' `
    shift
    if test $# = 1; then
      cat >> $(dirname $1)/Kconfig << EOF
config ${i#CONFIG_}
    bool

EOF
      git add $(dirname $1)/Kconfig
    else
      echo $i $*
    fi
  done
  sed -i '$d' hw/*/Kconfig
  for i in hw/*; do
    if test -d $i && ! test -f $i/Kconfig; then
      touch $i/Kconfig
      git add $i/Kconfig
    fi
  done

Whenever a symbol is referenced from multiple subdirectories, the
script prints the list of directories that reference the symbol.
These symbols have to be added manually to the Kconfig files.

Kconfig.host and hw/Kconfig were created manually.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20190123065618.3520-27-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Alexander Kappner ba4c735b4f Introduce new "no_guest_reset" parameter for usb-host device
With certain USB devices passed through via usb-host, a guest attempting to
reset a usb-host device can trigger a reset loop that renders the USB device
unusable. In my use case, the device was an iPhone XR that was passed through to
a Mac OS X Mojave guest. Upon connecting the device, the following happens:

1) Guest recognizes new device, sends reset to emulated USB host
2) QEMU's USB host sends reset to host kernel
3) Host kernel resets device
4) After reset, host kernel determines that some part of the device descriptor
has changed ("device firmware changed" in dmesg), so host kernel decides to
re-enumerate the device.
5) Re-enumeration causes QEMU to disconnect and reconnect the device in the
guest.
6) goto 1)

Here's from the host kernel (note the "device firmware changed" lines")

[3677704.473050] usb 1-1.3: new high-speed USB device number 53 using ehci-pci
[3677704.555594] usb 1-1.3: New USB device found, idVendor=05ac, idProduct=12a8, bcdDevice=11.08
[3677704.555599] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[3677704.555602] usb 1-1.3: Product: iPhone
[3677704.555605] usb 1-1.3: Manufacturer: Apple Inc.
[3677704.555607] usb 1-1.3: SerialNumber: [[removed]]
[3677709.401040] usb 1-1.3: reset high-speed USB device number 53 using ehci-pci
[3677709.479486] usb 1-1.3: device firmware changed
[3677709.479842] usb 1-1.3: USB disconnect, device number 53
[3677709.546039] usb 1-1.3: new high-speed USB device number 54 using ehci-pci
[3677709.627471] usb 1-1.3: New USB device found, idVendor=05ac, idProduct=12a8, bcdDevice=11.08
[3677709.627476] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[3677709.627479] usb 1-1.3: Product: iPhone
[3677709.627481] usb 1-1.3: Manufacturer: Apple Inc.
[3677709.627483] usb 1-1.3: SerialNumber: [[removed]]
[3677762.320044] usb 1-1.3: reset high-speed USB device number 54 using ehci-pci
[3677762.615630] usb 1-1.3: USB disconnect, device number 54
[3677762.787043] usb 1-1.3: new high-speed USB device number 55 using ehci-pci
[3677762.869016] usb 1-1.3: New USB device found, idVendor=05ac, idProduct=12a8, bcdDevice=11.08
[3677762.869024] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[3677762.869028] usb 1-1.3: Product: iPhone
[3677762.869032] usb 1-1.3: Manufacturer: Apple Inc.
[3677762.869035] usb 1-1.3: SerialNumber: [[removed]]
[3677815.662036] usb 1-1.3: reset high-speed USB device number 55 using ehci-pci

Here's from QEMU:

libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/005/022: No such file or directory
libusb: error [udev_hotplug_event] ignoring udev action bind
libusb: error [udev_hotplug_event] ignoring udev action bind
libusb: error [_open_sysfs_attr] open /sys/bus/usb/devices/5-1/bConfigurationValue failed ret=-1 errno=2
libusb: error [_get_usbfs_fd] File doesn't exist, wait 10 ms and try again

libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/005/024: No such file or directory
libusb: error [udev_hotplug_event] ignoring udev action bind
libusb: error [udev_hotplug_event] ignoring udev action bind
libusb: error [_open_sysfs_attr] open /sys/bus/usb/devices/5-1/bConfigurationValue failed ret=-1 errno=2
libusb: error [_get_usbfs_fd] File doesn't exist, wait 10 ms and try again

libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/005/026: No such file or directory

The result of this is that the device remains permanently unusable in the guest.
The same problem has been previously reported for an iPad:
https://stackoverflow.com/questions/52617634/how-do-i-get-qemu-usb-passthrough-to-work-for-ipad-iphone

This problem can be elegantly solved by interrupting step 2) above. Instead of
passing through the reset, QEMU simply ignores it. To allow this to be
configured on a per-device level,  a new parameter "no_guest_reset" is
introduced for the usb-host device. I can confirm that the configuration
described above (iPhone XS + Mojave guest) works flawlessly with
no_guest_reset=True specified.

Working command line for my scenario:
device_add usb-host,vendorid=0x05ac,productid=0x12a8,no_guest_reset=True,id=iphone

Best regards
Alexander

Signed-off-by: Alexander Kappner <agk@godking.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20190128140027.9448-1-kraxel@redhat.com

[ kraxel: rename parameter to "guest-reset" ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-07 10:03:54 +01:00
Bandan Das 7ddf837465 usb-mtp: prevent null dereference while deleting objects
Spotted by Coverity: CID 1399144

Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190306210409.14842-4-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-07 10:02:48 +01:00
Bandan Das 298ac63c44 usb-mtp: fix some usb_mtp_write_data return paths
During a write, free up the "path" before getting more data.
Also, while we at it, remove the confusing usage of d->fd for
storing mkdir status

Spotted by Coverity: CID 1398642

Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190306210409.14842-3-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-07 10:02:48 +01:00
Bandan Das c5ead51f90 usb-mtp: return incomplete transfer on a lstat failure
MTP writes objects in small chunks and at the end gets the
real file size to update the object metadata. If this fails for
any reason, return an INCOMPLETE_TRANSFER to the initiator

Spotted by Coverity: CID 1398651

Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190306210409.14842-2-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-07 10:02:48 +01:00
Daniel P. Berrangé 47287c27d0 hw/usb: switch MTP to use new inotify APIs
The internal inotify APIs allow a lot of conditional statements to be
cleared out, and provide a simpler callback for handling events.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-02-26 15:25:58 +00:00
Daniel P. Berrangé 888e0359bf hw/usb: fix const-ness for string params in MTP driver
Various functions accepting 'char *' string parameters were missing
'const' qualifiers.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-02-26 15:25:58 +00:00
Daniel P. Berrangé 3c48baf1d4 hw/usb: don't set IN_ISDIR for inotify watch in MTP driver
IN_ISDIR is not a bit that one can request when registering a
watch with inotify_add_watch. Rather it is a bit that is set
automatically when reading events from the kernel.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-02-26 15:25:58 +00:00
Liam Merwick 7011baece2 usb: remove unnecessary NULL device check from usb_ep_get()
No caller of usb_ep_get() calls it with a NULL device (previous commits
have addressed the few remaining cases which didn't explicitly check).
Replace check for 'dev == NULL' with an assert instead.

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-10-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick 4fc12aa1fc usb: add device checks before redirector calls to usb_ep_get()
Add an assert and an explicit check before the two callers to
usb_ep_get() in the USB redirector code to ensure the device
passed in is not NULL.

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-9-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick e87fd1e6e5 usb: check device is not NULL before calling usb_ep_get()
In musb_packet(), the call to usb_find_device() can return NULL
if it doesn't find a device matching 'addr' so explicitly check
the return value before passing it to usb_ep_get().  This then
allows the subsequent calculation of 'id' to be streamlined.

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-8-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick ff668537b6 uhci: check device is not NULL before calling usb_ep_get()
In uhci_handle_td(), the call to ehci_find_device() can return NULL
if it doesn't find a device matching 'addr' so explicitly check
the return value before passing it to usb_ep_get().

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-7-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick 42340fc31f ohci: check device is not NULL before calling usb_ep_get()
A call to ohci_find_device() can return NULL if it doesn't find a
device matching 'addr' so for the two callers, explicitly check
the return value before passing it to usb_ep_get().

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-6-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick e94682f1fe ehci: check device is not NULL before calling usb_ep_get()
In ehci_process_itd(), the call to ehci_find_device() can return NULL
if it doesn't find a device matching 'devaddr' so explicitly check
the return value before passing it to usb_ep_get().

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-5-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick 7cb513aa34 xhci: check device is not NULL before calling usb_ep_get()
Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-4-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick 92cf34279c xhci: add asserts to help with static code analysis
Most callers of xhci_port_update() and xhci_wakeup() pass in a pointer
to an array entry and can never be NULL but add two defensive asserts
to protect against future changes (e.g. adding a new port speed, etc.)
adding a path through xhci_lookup_port() that could result in the
return of a NULL XHCIPort.

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-3-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Liam Merwick 56090d78a7 usb: rearrange usb_ep_get()
There is no need to calculate the 'eps' variable in usb_ep_get()
if 'ep' is the control endpoint.  Instead the calculation should
be done after validating the input before returning an entry
indexed by the endpoint 'ep'.

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Darren Kenny <Darren.Kenny@oracle.com>
Reviewed-by: Mark Kanda <Mark.Kanda@oracle.com>
Reviewed-by: Ameya More <ameya.more@oracle.com>
Message-id: 1549460216-25808-2-git-send-email-liam.merwick@oracle.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-20 09:41:23 +01:00
Michael Roth 94d1cc5f03 qdev: pass an Object * to qbus_set_hotplug_handler()
Certain devices types, like memory/CPU, are now being handled using a
hotplug interface provided by a top-level MachineClass. Hotpluggable
host bridges are another such device where it makes sense to use a
machine-level hotplug handler. However, unlike those devices,
host-bridges have a parent bus (the main system bus), and devices with
a parent bus use a different mechanism for registering their hotplug
handlers: qbus_set_hotplug_handler(). This interface currently expects
a handler to be a subclass of DeviceClass, but this is not the case
for MachineClass, which derives directly from ObjectClass.

Internally, the interface only requires an ObjectClass, so expose that
in qbus_set_hotplug_handler().

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <154999589921.690774.3640149277362188566.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-02-17 21:54:02 +11:00
Paolo Bonzini 4ad6f6cb14 char: allow specifying a GMainContext at opening time
This will be needed by vhost-user-test, when each test switches to
its own GMainLoop and GMainContext.  Otherwise, for a reconnecting
socket the initial connection will happen on the default GMainContext,
and no one will be listening on it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20190202110834.24880-1-pbonzini@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-02-13 14:23:39 +01:00
Bandan Das 49f9e8d660 usb-mtp: replace the homebrew write with qemu_write_full
qemu_write_full takes care of partial blocking writes,
as in cases of larger file sizes

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190129131908.27924-4-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-30 06:47:52 +01:00
Bandan Das c1ef0f2519 usb-mtp: breakup MTP write into smaller chunks
For every MTP_WRITE_BUF_SZ copied, this patch writes it to file before
getting the next block of data. The file is kept opened for the
duration of the operation but the sanity checks on the write operation
are performed only once when the write operation starts. Additionally,
we also update the file size in the object metadata once the file has
completely been written.

Suggested-by: Gerd Hoffman <kraxel@redhat.com>
Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190129131908.27924-3-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-30 06:47:52 +01:00
Bandan Das 179fcf8a83 usb-mtp: Reallocate buffer in multiples of MTP_WRITE_BUF_SZ
This is a "pre-patch" to breaking up the write buffer for
MTP writes. Instead of allocating a mtp buffer equal to size
sent by the initiator, we start with a small size and reallocate
multiples (of that small size) as needed.

Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190129131908.27924-2-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-30 06:47:52 +01:00
Yuri Benditovich b4329d1a2a usb: implement XHCI underrun/overrun events
Implement underrun/overrun events of isochronous endpoints
according to XHCI spec (4.10.3.1)
Guest software restarts data streaming when receives these events.
The XHCI reports these events using interrupter assigned
to the slot (as these events do not have TRB), so current
commit adds the field of assigned interrupter to the
XHCISlot structure. Guest software assigns interrupter to the
slot on 'Address Device' and 'Evaluate Context' commands.

Signed-off-by: Yuri Benditovich <yuri.benditovich@janustech.com>
Message-id: 20190128200444.5128-3-yuri.benditovich@janustech.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-30 06:47:52 +01:00
Yuri Benditovich a587c832a3 usb: XHCI shall not halt isochronous endpoints
According to the XHCI spec (4.10.2) the controller
never halts isochronous endpoints. This commit prevent
stop of isochronous streaming when sporadic errors
status received from backends.

Signed-off-by: Yuri Benditovich <yuri.benditovich@janustech.com>
Message-id: 20190128200444.5128-2-yuri.benditovich@janustech.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-30 06:47:52 +01:00
Thomas Huth 75a49fc61a hw/usb: Fix LGPL information in the file headers
It's either "GNU *Library* General Public version 2" or "GNU Lesser
General Public version *2.1*", but there was no "version 2.0" of the
"Lesser" library. So assume that version 2.1 is meant here.
Additionally, suggest that the user should have received a copy of
the LGPL, and not the GPL here.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1548254454-7659-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-30 06:47:52 +01:00
Li Qiang 6e3c1a68f9 usb: dev-mtp: close fd in usb_mtp_object_readdir()
Spotted by Coverity: CID 1397070

Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190103133113.49599-1-liq3ea@163.com

[ kraxel: dropped chunk which adds close() after successful
          fdopendir() call, that is not needed according to
          POSIX even though Coverity flags it as bug ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-30 06:47:52 +01:00
Gerd Hoffmann b63e10508b usb: assign unique serial numbers to hid devices
Windows guests have trouble dealing with usb devices having identical
serial numbers.  So, assign unique serial numbers to usb hid devices.
All other usb devices have this already.

In the past the fixed serial number has been used to indicate working
remote setup to linux guests.  Here is a bit of history:

 * First there was nothing.
 * Then I added a rule to udev checking for serial == 42.
   (this is in rhel-6).
 * Then systemd + udev merged.
 * Then I changed the rule to check for serial != 1 instead, so we can
   use any serial but "1" which is the one the old broken devices had
   (this is in rhel-7).  March 2014 in upstream systemd.
 * Then all usb power management rules where dropped from systemd (June
   2015).  Which I figured today (Sept 2018), after wondering that the
   rules are gone in fedora 28.

So, three years ago the serial number check was dropped upstream, yet I
hav't seen a single report about autosuspend issues (or cpu usage for
usb emulation going up, which is the typical symtom).

So I figured I can stop worring that changing the serial number will
break things and just do it.

And even if it turns out autosuspend is still an issue:  I think
meanwhile we can really stop worrying about guests running in old qemu
versions with broken usb suspend (fixed in 0.13 !).  If needed we can
enable autosuspend unconditionally in guests.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20190110125108.22834-1-kraxel@redhat.com
2019-01-30 06:47:52 +01:00
Paul Durrant 2d0ed5e642 xen: re-name XenDevice to XenLegacyDevice...
...and xen_backend.h to xen-legacy-backend.h

Rather than attempting to convert the existing backend infrastructure to
be QOM compliant (which would be hard to do in an incremental fashion),
subsequent patches will introduce a completely new framework for Xen PV
backends. Hence it is necessary to re-name parts of existing code to avoid
name clashes. The re-named 'legacy' infrastructure will be removed once all
backends have been ported to the new framework.

This patch is purely cosmetic. No functional change.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Acked-by: Anthony Perard <anthony.perard@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2019-01-14 13:45:40 +00:00
Peter Maydell 15bede5541 * HAX support for Linux hosts (Alejandro)
* esp bugfixes (Guenter)
 * Windows build cleanup (Marc-André)
 * checkpatch logic improvements (Paolo)
 * coalesced range bugfix (Paolo)
 * switch testsuite to TAP (Paolo)
 * QTAILQ rewrite (Paolo)
 * block/iscsi.c cancellation fixes (Stefan)
 * improve selection of the default accelerator (Thomas)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* HAX support for Linux hosts (Alejandro)
* esp bugfixes (Guenter)
* Windows build cleanup (Marc-André)
* checkpatch logic improvements (Paolo)
* coalesced range bugfix (Paolo)
* switch testsuite to TAP (Paolo)
* QTAILQ rewrite (Paolo)
* block/iscsi.c cancellation fixes (Stefan)
* improve selection of the default accelerator (Thomas)

# gpg: Signature made Fri 11 Jan 2019 14:47:40 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (34 commits)
  avoid TABs in files that only contain a few
  remove space-tab sequences
  scripts: add script to convert multiline comments into 4-line format
  hw/watchdog/wdt_i6300esb: remove a unnecessary comment
  checkpatch: warn about qemu/queue.h head structs that are not typedef-ed
  qemu/queue.h: simplify reverse access to QTAILQ
  qemu/queue.h: reimplement QTAILQ without pointer-to-pointers
  qemu/queue.h: remove Q_TAILQ_{HEAD,ENTRY}
  qemu/queue.h: typedef QTAILQ heads
  qemu/queue.h: leave head structs anonymous unless necessary
  vfio: make vfio_address_spaces static
  qemu/queue.h: do not access tqe_prev directly
  test: replace gtester with a TAP driver
  test: execute g_test_run when tests are skipped
  qga: drop < Vista compatibility
  build-sys: build with Vista API by default
  build-sys: move windows defines in osdep.h header
  build-sys: don't include windows.h, osdep.h does it
  scsi: esp: Defer command completion until previous interrupts have been handled
  esp-pci: Fix status register write erase control
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-11 15:46:09 +00:00
Paolo Bonzini 7d37435bd5 avoid TABs in files that only contain a few
Most files that have TABs only contain a handful of them.  Change
them to spaces so that we don't confuse people.

disas, standard-headers, linux-headers and libdecnumber are imported
from other projects and probably should be exempted from the check.
Outside those, after this patch the following files still contain both
8-space and TAB sequences at the beginning of the line.  Many of them
have a majority of TABs, or were initially committed with all tabs.

    bsd-user/i386/target_syscall.h
    bsd-user/x86_64/target_syscall.h
    crypto/aes.c
    hw/audio/fmopl.c
    hw/audio/fmopl.h
    hw/block/tc58128.c
    hw/display/cirrus_vga.c
    hw/display/xenfb.c
    hw/dma/etraxfs_dma.c
    hw/intc/sh_intc.c
    hw/misc/mst_fpga.c
    hw/net/pcnet.c
    hw/sh4/sh7750.c
    hw/timer/m48t59.c
    hw/timer/sh_timer.c
    include/crypto/aes.h
    include/disas/bfd.h
    include/hw/sh4/sh.h
    libdecnumber/decNumber.c
    linux-headers/asm-generic/unistd.h
    linux-headers/linux/kvm.h
    linux-user/alpha/target_syscall.h
    linux-user/arm/nwfpe/double_cpdo.c
    linux-user/arm/nwfpe/fpa11_cpdt.c
    linux-user/arm/nwfpe/fpa11_cprt.c
    linux-user/arm/nwfpe/fpa11.h
    linux-user/flat.h
    linux-user/flatload.c
    linux-user/i386/target_syscall.h
    linux-user/ppc/target_syscall.h
    linux-user/sparc/target_syscall.h
    linux-user/syscall.c
    linux-user/syscall_defs.h
    linux-user/x86_64/target_syscall.h
    slirp/cksum.c
    slirp/if.c
    slirp/ip.h
    slirp/ip_icmp.c
    slirp/ip_icmp.h
    slirp/ip_input.c
    slirp/ip_output.c
    slirp/mbuf.c
    slirp/misc.c
    slirp/sbuf.c
    slirp/socket.c
    slirp/socket.h
    slirp/tcp_input.c
    slirp/tcpip.h
    slirp/tcp_output.c
    slirp/tcp_subr.c
    slirp/tcp_timer.c
    slirp/tftp.c
    slirp/udp.c
    slirp/udp.h
    target/cris/cpu.h
    target/cris/mmu.c
    target/cris/op_helper.c
    target/sh4/helper.c
    target/sh4/op_helper.c
    target/sh4/translate.c
    tcg/sparc/tcg-target.inc.c
    tests/tcg/cris/check_addo.c
    tests/tcg/cris/check_moveq.c
    tests/tcg/cris/check_swap.c
    tests/tcg/multiarch/test-mmap.c
    ui/vnc-enc-hextile-template.h
    ui/vnc-enc-zywrle.h
    util/envlist.c
    util/readline.c

The following have only TABs:

    bsd-user/i386/target_signal.h
    bsd-user/sparc64/target_signal.h
    bsd-user/sparc64/target_syscall.h
    bsd-user/sparc/target_signal.h
    bsd-user/sparc/target_syscall.h
    bsd-user/x86_64/target_signal.h
    crypto/desrfb.c
    hw/audio/intel-hda-defs.h
    hw/core/uboot_image.h
    hw/sh4/sh7750_regnames.c
    hw/sh4/sh7750_regs.h
    include/hw/cris/etraxfs_dma.h
    linux-user/alpha/termbits.h
    linux-user/arm/nwfpe/fpopcode.h
    linux-user/arm/nwfpe/fpsr.h
    linux-user/arm/syscall_nr.h
    linux-user/arm/target_signal.h
    linux-user/cris/target_signal.h
    linux-user/i386/target_signal.h
    linux-user/linux_loop.h
    linux-user/m68k/target_signal.h
    linux-user/microblaze/target_signal.h
    linux-user/mips64/target_signal.h
    linux-user/mips/target_signal.h
    linux-user/mips/target_syscall.h
    linux-user/mips/termbits.h
    linux-user/ppc/target_signal.h
    linux-user/sh4/target_signal.h
    linux-user/sh4/termbits.h
    linux-user/sparc64/target_syscall.h
    linux-user/sparc/target_signal.h
    linux-user/x86_64/target_signal.h
    linux-user/x86_64/termbits.h
    pc-bios/optionrom/optionrom.h
    slirp/mbuf.h
    slirp/misc.h
    slirp/sbuf.h
    slirp/tcp.h
    slirp/tcp_timer.h
    slirp/tcp_var.h
    target/i386/svm.h
    target/sparc/asi.h
    target/xtensa/core-dc232b/xtensa-modules.inc.c
    target/xtensa/core-dc233c/xtensa-modules.inc.c
    target/xtensa/core-de212/core-isa.h
    target/xtensa/core-de212/xtensa-modules.inc.c
    target/xtensa/core-fsf/xtensa-modules.inc.c
    target/xtensa/core-sample_controller/core-isa.h
    target/xtensa/core-sample_controller/xtensa-modules.inc.c
    target/xtensa/core-test_kc705_be/core-isa.h
    target/xtensa/core-test_kc705_be/xtensa-modules.inc.c
    tests/tcg/cris/check_abs.c
    tests/tcg/cris/check_addc.c
    tests/tcg/cris/check_addcm.c
    tests/tcg/cris/check_addoq.c
    tests/tcg/cris/check_bound.c
    tests/tcg/cris/check_ftag.c
    tests/tcg/cris/check_int64.c
    tests/tcg/cris/check_lz.c
    tests/tcg/cris/check_openpf5.c
    tests/tcg/cris/check_sigalrm.c
    tests/tcg/cris/crisutils.h
    tests/tcg/cris/sys.c
    tests/tcg/i386/test-i386-ssse3.c
    ui/vgafont.h

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20181213223737.11793-3-pbonzini@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Eric Blake <eblake@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-01-11 15:46:56 +01:00
Paolo Bonzini 72e21db7ea remove space-tab sequences
There are not many, and they are all simple mistakes that ended up
being committed.  Remove them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20181213223737.11793-2-pbonzini@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-01-11 15:46:55 +01:00
Paolo Bonzini eae3eb3e18 qemu/queue.h: simplify reverse access to QTAILQ
The new definition of QTAILQ does not require passing the headname,
remove it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-01-11 15:46:55 +01:00
Paolo Bonzini b58deb344d qemu/queue.h: leave head structs anonymous unless necessary
Most list head structs need not be given a name.  In most cases the
name is given just in case one is going to use QTAILQ_LAST, QTAILQ_PREV
or reverse iteration, but this does not apply to lists of other kinds,
and even for QTAILQ in practice this is only rarely needed.  In addition,
we will soon reimplement those macros completely so that they do not
need a name for the head struct.  So clean up everything, not giving a
name except in the rare case where it is necessary.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-01-11 15:46:55 +01:00
Peter Maydell 291741033f audio: two fixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20190110-pull-request' into staging

audio: two fixes.

# gpg: Signature made Thu 10 Jan 2019 09:23:24 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/audio-20190110-pull-request:
  usb-audio: ignore usb packages with wrong size
  hw/audio/marvell: Don't include unnecessary i2c.h header file

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-10 18:45:23 +00:00
Gerd Hoffmann a7fde1c170 usb-audio: ignore usb packages with wrong size
usb packets with no payload (zero length) seem to happen in practice for
whatever reason.  Add a check and skip the packet then, otherwise we'll
trigger an assert.

Reported-by: Leonardo Soares Müller <leozinho29_eu@hotmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181211072649.20700-1-kraxel@redhat.com
2019-01-10 09:56:19 +01:00
Paolo Bonzini efce3175fd usb: move ehci_create_ich9_with_companions to hw/i386
This function is only needed when Q35 is in use.  Moving it to
the same file that uses it lets you disable the entire USB
subsystem in x86_64-softmmu.mak; of course doing that will
cause -usb to break horribly, but one thing at a time.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1545064358-4601-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-08 12:43:41 +01:00
Hongbo Zhang 114529f79e hw/usb: Add generic sys-bus EHCI controller
This patch introduces a new system bus generic EHCI controller.
For the system bus EHCI controller, we've already had "xlnx",
"exynos4210", "tegra2", "ppc4xx" and "fusbh200", they are specific and
only suitable for their own platforms, platforms such as an Arm server,
may need a generic system bus EHCI controller, this patch creates it,
and the kernel driver ehci_platform.c works well on it.

Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
Message-id: 1546077657-22637-1-git-send-email-hongbo.zhang@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-01-08 12:41:32 +01:00