The free() and g_free() functions both happily accept
NULL on any platform QEMU builds on. As such putting a
conditional 'if (foo)' check before calls to 'free(foo)'
merely serves to bloat the lines of code.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
A number of files were including signal.h but not using any
of the functions it provides
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
A number of files were including dirent.h but not using any
of the functions it provides
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Many source files have doubled words (eg "the the", "to to",
and so on). Most of these can simply be removed, but a couple
were actual mis-spellings (eg "to to" instead of "to do").
There was even one triple word score "to to to" :-)
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
usbnet_receive already drops packet if rndis_state is not
RNDIS_DATA_INITIALIZED, and queues packet if in buffer is not available.
The only difference is s->dev.config but that is similar to rndis_state.
Drop usbnet_can_receive and move these checks to usbnet_receive, so that
we don't need to explicitly flush the queue when s->dev.config changes
value.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Message-id: 1436955553-22791-5-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Commit e0cf11f31c ("timer: Use a single
definition of NSEC_PER_SEC for the whole codebase") renamed
NANOSECONDS_PER_SECOND to NSEC_PER_SEC.
On Mac OS X there is a <dispatch/time.h> system header which also
defines NSEC_PER_SEC. This causes compiler warnings.
Let's use the old name instead. It's longer but it doesn't clash.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1436364609-7929-1-git-send-email-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This reverts commit 4e8cfbe114.
We should not poll via timer, and with ccid being fixed
to properly notify us about pending transfers we don't have to.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In particular, don't include it into headers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
In particular, don't include it into headers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
These macros expand into error class enumeration constant, comma,
string. Unclean. Has been that way since commit 13f59ae.
The error class is always ERROR_CLASS_GENERIC_ERROR since the previous
commit.
Clean up as follows:
* Prepend every use of a QERR_ macro by ERROR_CLASS_GENERIC_ERROR, and
delete it from the QERR_ macro. No change after preprocessing.
* Rewrite error_set(ERROR_CLASS_GENERIC_ERROR, ...) into
error_setg(...). Again, no change after preprocessing.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere.
The only remaining user in qemu-option.c is qemu_opts_parse(). Is it
used in QMP context? If not, we can simply replace
qerror_report_err() by error_report_err().
The uses in qemu-img.c, qemu-io.c, qemu-nbd.c and under tests/ are
clearly not in QMP context.
The uses in vl.c aren't either, because the only QMP command handlers
there are qmp_query_status() and qmp_query_machines(), and they don't
call it.
Remaining uses:
* drive_def(): Command line -drive and such, HMP drive_add and pci_add
* hmp_chardev_add(): HMP chardev-add
* monitor_parse_command(): HMP core
* tmp_config_parse(): Command line -tpmdev
* net_host_device_add(): HMP host_net_add
* net_client_parse(): Command line -net and -netdev
* qemu_global_option(): Command line -global
* vnc_parse_func(): Command line -display, -vnc, default display, HMP
change, QMP change. Bummer.
* qemu_pci_hot_add_nic(): HMP pci_add
* usb_net_init(): Command line -usbdevice, HMP usb_add
Propagate errors through qemu_opts_parse(). Create a convenience
function qemu_opts_parse_noisily() that passes errors to
error_report_err(). Switch all non-QMP users outside tests to it.
That leaves vnc_parse_func(). Propagate errors through it. Since I'm
touching it anyway, rename it to vnc_parse().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
We create optional sections with this patch. But we already have
optional subsections. Instead of having two mechanism that do the
same, we can just generalize it.
For subsections we just change:
- Add a needed function to VMStateDescription
- Remove VMStateSubsection (after removal of the needed function
it is just a VMStateDescription)
- Adjust the whole tree, moving the needed function to the corresponding
VMStateDescription
Signed-off-by: Juan Quintela <quintela@redhat.com>
Value from xfer->packet.ep is assigned to ep here, but that
stored value is not used before it is overwritten. Remove it.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
... and the status register should say so.
Fixes "usbus0: controller did not stop" error printed by freebsd.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When x-root property not be configured, will cause segfault
because of null pointer accessing. Add a check for s->root
property avoid segfault.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When we find a IOC bit set on a setup trb and therefore queue an event,
that should not stop events being generated for following data trbs.
So clear the 'reported' flag.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This makes xhci generate multiple short packet events in case of
multi-trb transfers. Which is wrong. We need to fix this in a
different way.
This reverts commit aa6857891d.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The dev->config pointer isn't set until guest
system initializes usb devices (via
usb_desc_set_config). However qemu networking can
go through some motions prior to that, e.g.:
#0 is_rndis (s=0x555557261970) at hw/usb/dev-network.c:653
#1 0x000055555585f723 in usbnet_can_receive (nc=0x55555641e820) at hw/usb/dev-network.c:1315
#2 0x000055555587635e in qemu_can_send_packet (sender=0x5555572660a0) at net/net.c:470
#3 0x0000555555878e34 in net_hub_port_can_receive (nc=0x5555562d7800) at net/hub.c:101
#4 0x000055555587635e in qemu_can_send_packet (sender=0x5555562d7980) at net/net.c:470
#5 0x000055555587dbca in tap_can_send (opaque=0x5555562d7980) at net/tap.c:172
The command to reproduce most reliably was:
qemu-system-i386 -usb -device usb-net,vlan=0 -net tap,vlan=0
This wasn't strictly a problem with tap. Other
networking endpoints (vde, user) could trigger
this problem as well.
Fixes: https://bugs.launchpad.net/qemu/+bug/1050823
Cc: qemu-stable@nongnu.org
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Delete set_usb_string(), usb_ep_get_ifnum(), usb_ep_get_max_packet_size()
usb_ep_get_max_streams() and usb_ep_set_pipeline() since they are
not used anymore.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
When hot-unplugging the usb controllers (ehci/uhci),
we have to clean all resouce of these devices,
involved registered reset handler. Otherwise, it
may cause NULL pointer access and/or segmentation fault
if we reboot the guest os after hot-unplugging.
Let's hook up reset via DeviceClass->reset() and drop
the qemu_register_reset() call. Then Qemu will register
and unregister the reset handler automatically.
Cc: qemu-stable <qemu-stable@nongnu.org>
Reported-by: Lidonglin <lidonglin@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When hot-unplugging the usb controllers (ehci/uhci),
we have to clean all resouce of these devices,
involved registered reset handler. Otherwise, it
may cause NULL pointer access and/or segmentation fault
if we reboot the guest os after hot-unplugging.
Let's hook up reset via DeviceClass->reset() and drop
the qemu_register_reset() call. Then Qemu will register
and unregister the reset handler automatically.
Ohci does't support hotplugging/hotunplugging yet, but
existing resource cleanup leak logic likes ehci/uhci.
Cc: qemu-stable <qemu-stable@nongnu.org>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When hot-unplugging the usb controllers (ehci/uhci),
we have to clean all resouce of these devices,
involved registered reset handler. Otherwise, it
may cause NULL pointer access and/or segmentation fault
if we reboot the guest os after hot-unplugging.
Let's hook up reset via DeviceClass->reset() and drop
the qemu_register_reset() call. Then Qemu will register
and unregister the reset handler automatically.
Cc: qemu-stable <qemu-stable@nongnu.org>
Reported-by: Lidonglin <lidonglin@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Boards that do not include an USB controller should not provide
USB devices. However, when running "qemu-system-s390x -device help"
for example, there's still a usb-hub, usb-kbd, usb-mouse and
usb-tablet in the list of "supported" devices. Let's fix that
by compiling and linking the USB files only if it is really
necessary.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP. It should not be used
elsewhere.
usb_msd_password_cb() is only called from within an HMP command
handler. Replace by error_report_err().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When the image is encrypted, QMP device_add creates the device, defers
actually attaching it to when the key becomes available, then returns
an error. This is wrong. device_add must either create the device
and succeed, or do nothing and fail.
The bug is in usb_msd_realize_storage(). It posts an error with
qerror_report_err(), and returns success. Device realization relies
on the return value, and completes. The QMP monitor, however, relies
on the posted error, and sends it in an error reply.
Reproducer:
$ qemu-system-x86_64 -nodefaults -display none -usb -qmp stdio -drive if=none,id=foo,file=geheim.qcow2
{"QMP": {"version": {"qemu": {"micro": 50, "minor": 2, "major": 2}, "package": ""}, "capabilities": []}}
{ "execute": "qmp_capabilities" }
{"return": {}}
{ "execute": "device_add", "arguments": { "driver": "usb-storage", "id": "bar", "drive": "foo" } }
{"error": {"class": "DeviceEncrypted", "desc": "'foo' (geheim.qcow2) is encrypted"}}
Even though we got an error back, the device got created just fine.
To demonstrate, let's unplug it again:
{"execute":"device_del","arguments": { "id": "bar" } }
{"timestamp": {"seconds": 1426003440, "microseconds": 237181}, "event": "DEVICE_DELETED", "data": {"path": "/machine/peripheral/bar/bar.0/legacy[0]"}}
{"timestamp": {"seconds": 1426003440, "microseconds": 238231}, "event": "DEVICE_DELETED", "data": {"device": "bar", "path": "/machine/peripheral/bar"}}
{"return": {}}
Fix by making usb_msd_realize_storage() fail properly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
monitor_read_bdrv_key_start() does several things:
1. If no key is needed, call completion_cb() and succeed
2. If we're in QMP context, call qerror_report_err() and fail
3. Start reading the key in the monitor.
This is two things too many. Inline 1. and 2. into its callers
monitor_read_block_device_key() and usb_msd_realize_storage().
Since monitor_read_block_device_key() only ever runs in HMP context,
drop 2. there.
The next commit will clean up the result in usb_msd_realize_storage().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Commit 457215ec "ohci: Use QOM realize for OHCI" converted only
"sysbus-ohci". Finish the job: convert "pci-ohci".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The previous commit broke the additional messages explaining the error
messages. Improve the error messages, so they don't need explaining
so much. Helps QMP users as well, unlike additional explanations.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This loses the messages explaining the error printed with
error_printf_unless_qmp(). The next commit will make up for the loss.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Coverity/sparse fix for iscsi driver
- RCU fallout: fix -daemonize and s390x system emulation
- KVM: kvm_stat improvements and new man page
- x86: SYSRET fix for VxWorks
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
- scsi: improvements to error reporting and conversion to realize,
Coverity/sparse fix for iscsi driver
- RCU fallout: fix -daemonize and s390x system emulation
- KVM: kvm_stat improvements and new man page
- x86: SYSRET fix for VxWorks
# gpg: Signature made Tue Mar 10 10:18:45 2015 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# 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:
x86: fix SS selector in SYSRET
scsi: Convert remaining PCI HBAs to realize()
scsi: Improve error reporting for invalid drive property
hw: Propagate errors through qdev_prop_set_drive()
scsi: Clean up duplicated error in legacy if=scsi code
cpus: initialize cpu->memory_dispatch
rcu: handle forks safely
qemu-thread: do not use PTHREAD_MUTEX_ERRORCHECK
kvm_stat: add kvm_stat.1 man page
kvm_stat: add column headers to text UI
iscsi: Fix check for username
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches for 2.3
# gpg: Signature made Tue Mar 10 13:03:17 2015 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (73 commits)
MAINTAINERS: Add jcody as blockjobs, block devices maintainer
iotests: add O_DIRECT alignment probing test
block/raw-posix: fix launching with failed disks
MAINTAINERS: Add jsnow as IDE maintainer
sheepdog: Fix misleading error messages in sd_snapshot_create()
Add testcase for scsi-hd devices without drive property
scsi-hd: fix property unset case
block/vdi: Add locking for parallel requests
iotests: Drop vpc from 004's and 104's format list
iotests: Remove 006
iotests: Fix 051's reference output
virtio-blk: Remove the stale FIXME comment
tests: Check QVIRTIO_F_ANY_LAYOUT flag in virtio-blk test
libqos: Solve bug in interrupt checking when using MSIX in virtio-pci.c
sheepdog: fix confused return values
qtest/ahci: add fragmented dma test
qtest/ahci: Add PIO and LBA48 tests
qtest/ahci: Add DMA test variants
libqos/ahci: add ahci command helpers
qtest/ahci: Add a macro bootup routine
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
geometry: hd_geometry_guess function autodetects the drive geometry.
This patch adds a block backend call, that probes the backing device
geometry. If the inner driver method is implemented and succeeds
(currently only for DASDs), the blkconf_geometry will pass-through
the backing device geometry. Otherwise will fallback to old logic.
blocksize: This patch initializes blocksize properties to 0.
In order to set the property a blkconf_blocksizes was introduced.
If user didn't set physical or logical blocksize, it will
retrieve its value from a driver (only succeeds for DASD), otherwise
it will set default 512 value.
The blkconf_blocksizes call was added to all users of BlkConf.
Signed-off-by: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1424087278-49393-6-git-send-email-tumanova@linux.vnet.ibm.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Three kinds of callers:
1. On failure, report the error and abort
Passing &error_abort does the job. No functional change.
2. On failure, report the error and exit()
This is qdev_prop_set_drive_nofail(). Error reporting moves from
qdev_prop_set_drive() to its caller. Because hiding away the error
in the monitor right before exit() isn't helpful, replace
qerror_report_err() by error_report_err(). Shouldn't make a
difference, because qdev_prop_set_drive_nofail() should never be
used in QMP context.
3. On failure, report the error and recover
This is usb_msd_init() and scsi_bus_legacy_add_drive(). Error
reporting and freeing the error object moves from
qdev_prop_set_drive() to its callers.
Because usb_msd_init() can't run in QMP context, replace
qerror_report_err() by error_report_err() there.
No functional change.
scsi_bus_legacy_add_drive() calling qerror_report_err() is of
course inappropriate, but this commit merely makes it more obvious.
The next one will clean it up.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-Id: <1425925048-15482-3-git-send-email-armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
A bunch of fixes all over the place.
All of ACPI refactoring has been merged.
Legacy pci commands have been dropped.
virtio header cleanup
initial patches from virtio-1.0 branch
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio fixes and cleanups
A bunch of fixes all over the place.
All of ACPI refactoring has been merged.
Legacy pci commands have been dropped.
virtio header cleanup
initial patches from virtio-1.0 branch
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* remotes/mst/tags/for_upstream: (130 commits)
acpi: drop unused code
aml-build: comment fix
acpi-build: fix typo in comment
acpi: update generated files
vhost user:support vhost user nic for non msi guests
aml-build: fix build for glib < 2.22
acpi: update generated files
Makefile.target: binary depends on config-devices
acpi-test-data: update after pci rewrite
acpi, mem-hotplug: use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb().
pci-hotplug-old: Has been dead for five major releases, bury
pci: Give a few helpers internal linkage
acpi: make build_*() routines static to aml-build.c
pc: acpi: remove not used anymore ssdt-[misc|pcihp].hex.generated blobs
pc: acpi-build: drop template patching and create PCI bus tree dynamically
tests: ACPI: update pc/SSDT.bridge due to new alg of PCI tree creation
pc: acpi-build: simplify PCI bus tree generation
tests: add ACPI blobs for qemu with bridge cases
tests: bios-tables-test: add support for testing bridges
tests: ACPI test blobs update due to PCI0._CRS changes
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Conflicts:
hw/pci/pci-hotplug-old.c
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20150303-1' into staging
xhci: generate a Transfer Event for each Transfer TRB with the IOC bit set
# gpg: Signature made Tue Mar 3 07:38:43 2015 GMT using RSA key ID D3E87138
# 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>"
* remotes/kraxel/tags/pull-usb-20150303-1:
xhci: generate a Transfer Event for each Transfer TRB with the IOC bit set
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
At the moment, when the XHCI driver in edk2
(MdeModulePkg/Bus/Pci/XhciDxe/XhciDxe.inf) runs on QEMU, with the options
-device nec-usb-xhci -device usb-kbd
it crashes with:
ASSERT MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c(1759):
TrsRing != ((void*) 0)
The crash hits in the following edk2 call sequence (all files under
MdeModulePkg/Bus/):
UsbEnumerateNewDev() [Usb/UsbBusDxe/UsbEnumer.c]
UsbBuildDescTable() [Usb/UsbBusDxe/UsbDesc.c]
UsbGetDevDesc() [Usb/UsbBusDxe/UsbDesc.c]
UsbCtrlGetDesc(USB_REQ_GET_DESCRIPTOR) [Usb/UsbBusDxe/UsbDesc.c]
UsbCtrlRequest() [Usb/UsbBusDxe/UsbDesc.c]
UsbHcControlTransfer() [Usb/UsbBusDxe/UsbUtility.c]
XhcControlTransfer() [Pci/XhciDxe/Xhci.c]
XhcCreateUrb() [Pci/XhciDxe/XhciSched.c]
XhcCreateTransferTrb() [Pci/XhciDxe/XhciSched.c]
XhcExecTransfer() [Pci/XhciDxe/XhciSched.c]
XhcCheckUrbResult() [Pci/XhciDxe/XhciSched.c]
//
// look for TRB_TYPE_DATA_STAGE event [1]
//
//
// Store a copy of the device descriptor, as the hub device
// needs this info to configure endpoint. [2]
//
UsbSetConfig() [Usb/UsbBusDxe/UsbDesc.c]
UsbCtrlRequest(USB_REQ_SET_CONFIG) [Usb/UsbBusDxe/UsbDesc.c]
UsbHcControlTransfer() [Usb/UsbBusDxe/UsbUtility.c]
XhcControlTransfer() [Pci/XhciDxe/Xhci.c]
XhcSetConfigCmd() [Pci/XhciDxe/XhciSched.c]
XhcInitializeEndpointContext() [Pci/XhciDxe/XhciSched.c]
//
// allocate transfer ring for the endpoint [3]
//
USBKeyboardDriverBindingStart() [Usb/UsbKbDxe/EfiKey.c]
UsbIoAsyncInterruptTransfer() [Usb/UsbBusDxe/UsbBus.c]
UsbHcAsyncInterruptTransfer() [Usb/UsbBusDxe/UsbUtility.c]
XhcAsyncInterruptTransfer() [Pci/XhciDxe/Xhci.c]
XhcCreateUrb() [Pci/XhciDxe/Xhci.c]
XhcCreateTransferTrb() [Pci/XhciDxe/XhciSched.c]
XhcSyncTrsRing() [Pci/XhciDxe/XhciSched.c]
ASSERT (TrsRing != NULL) [4]
UsbEnumerateNewDev() in the USB bus driver issues a GET_DESCRIPTOR
request, in order to determine the number of configurations that the
endpoint supports. The requests consists of three stages (three TRBs),
setup, data, and status. The length of the response is determined in [1],
namely from the transfer event that the host controller generates in
response to the request's middle stage (ie. the data stage).
If the length of the answer is correct (a full GET_DESCRIPTOR request
takes 18 bytes), then the XHCI driver that underlies the USB bus driver
"snoops" (caches) the descriptor data for later [2].
Later, the USB bus driver sends a SET_CONFIG request. The underlying XHCI
driver allocates a transfer ring for the endpoint, relying on the data
snooped and cached in step [2].
Finally, the USB keyboard driver submits an asynchronous interrupt
transfer to manage the keyboard. As part of this it asserts [4] that the
ring has been allocated in step [3].
And this ASSERT() fires. The root cause can be found in the way QEMU
handles the initial GET_DESCRIPTOR request.
Again, that request consists of three stages (TRBs, Transfer Request
Blocks), "setup", "data", and "status". The XhcCreateTransferTrb()
function sets the IOC ("Interrupt on Completion") flag in each of these
TRBs.
According to the XHCI specification, the host controller shall generate a
Transfer Event in response to *each* individual TRB of the request that
had the IOC flag set. This means that QEMU should queue three events:
setup, data, and status, for edk2's XHCI driver.
However, QEMU only generates two events:
- one for the setup (ie. 1st) stage,
- another for the status (ie. 3rd) stage.
No event is generated for the middle (ie. data) stage. The loop in QEMU's
xhci_xfer_report() function runs three times, but due to the "reported"
variable, only the first and the last TRBs elicit events, the middle (data
stage) results in no event queued.
As a consequence:
- When handling the GET_DESCRIPTOR request, XhcCheckUrbResult() in [1]
does not update the response length from zero.
- XhcControlTransfer() thinks that the response is invalid (it has zero
length payload instead of 18 bytes), hence [2] is not reached; the
device descriptor is not stashed for later, and the number of possible
configurations is left at zero.
- When handling the SET_CONFIG request, (NumConfigurations == 0) from
above prevents the allocation of the endpoint's transfer ring.
- When the keyboard driver tries to use the endpoint, the ASSERT() blows
up.
The solution is to correct the emulation in QEMU, and to generate a
transfer event whenever IOC is set in a TRB.
The patch replaces
!reported && (IOC || foo) == !reported && IOC ||
!reported && foo
with
IOC || (!reported && foo) == IOC ||
!reported && foo
which only changes how
reported && IOC
is handled. (Namely, it now generates an event.)
Tested with edk2 built for "qemu-system-aarch64 -M virt" (ie.
"ArmVirtualizationQemu.dsc", aka "AAVMF"), and guest Linux.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
qemu_opt_set() is a wrapper around qemu_opt_set() that reports the
error with qerror_report_err().
Most of its users assume the function can't fail. Make them use
qemu_opt_set_err() with &error_abort, so that should the assumption
ever break, it'll break noisily.
Just two users remain, in util/qemu-config.c. Switch them to
qemu_opt_set_err() as well, then rename qemu_opt_set_err() to
qemu_opt_set().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Convert the device models where initialization obviously can't fail.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Some are called do_info_SUBCOMMAND() (old ones, usually), some
hmp_info_SUBCOMMAND(), some SUBCOMMAND_info(), sometimes SUBCOMMAND
pointlessly differs in spelling.
Normalize to hmp_info_SUBCOMMAND(), where SUBCOMMAND is exactly the
subcommand name with '-' replaced by '_'.
Exceptions:
* sun4m_irq_info(), sun4m_pic_info() renamed to sun4m_hmp_info_irq(),
sun4m_hmp_info_pic().
* lm32_irq_info(), lm32_pic_info() renamed to lm32_hmp_info_irq(),
lm32_hmp_info_pic().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
A number of ARM embedded boards include EHCI USB host controllers which
appear as directly mapped devices, rather than sitting on a PCI bus.
At present code to emulate such devices is included whenever EHCI support
is included. This patch adjusts teh config options to only include them
in builds targetting ARM by default.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Instead of returning null pointer. Matches pci_create_simple(),
isa_create_simple(), sysbus_create_simple(). It's unused since the
previous commit, but I'll put it to use again shortly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
USBDevice's realize method usb_qdev_realize() automatically creates a
usb-hub when only one port is left. Creating devices in realize
methods is questionable, but works.
If usb-hub creation fails, an error is reported to stderr, but the
failure is otherwise ignored. We then create the actual device using
the last port, which may well succeed.
Example:
$ qemu -nodefaults -S -display none -machine usb=on -monitor stdio
QEMU 2.2.50 monitor - type 'help' for more information
(qemu) device_add usb-mouse
[Repeat 36 times]
(qemu) info usb
Device 0.0, Port 1, Speed 12 Mb/s, Product QEMU USB Mouse
Device 0.0, Port 2, Speed 12 Mb/s, Product QEMU USB Hub
Device 0.0, Port 2.1, Speed 12 Mb/s, Product QEMU USB Mouse
[More mice and hubs omitted...]
Device 0.0, Port 2.8.8.8.8.7, Speed 12 Mb/s, Product QEMU USB Mouse
(qemu) device_add usb-mouse
usb hub chain too deep
Failed to initialize USB device 'usb-hub'
(qemu) info usb
[...]
Device 0.0, Port 2.8.8.8.8.7, Speed 12 Mb/s, Product QEMU USB Mouse
Device 0.0, Port 2.8.8.8.8.8, Speed 12 Mb/s, Product QEMU USB Mouse
Despite the "Failed" message, the command actually succeeded.
In QMP, it's worse. When adding the 37th mouse via QMP, the command
fails with
{"error": {"class": "GenericError", "desc": "usb hub chain too deep"}}
Additionally, "Failed to initialize USB device 'usb-hub'" is reported
on stderr. Despite the command failure, the device was created. This
is wrong.
Fix by avoiding qdev_init() for usb-hub creation, so we can ignore
errors cleanly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Because it produces beauties like
(qemu) usb_add mouse
Failed to initialize USB device 'usb-mouse': Error: tried to attach usb device QEMU USB Mouse to a bus with no free ports
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Most LegacyUSBFactory usbdevice_init() methods realize with
qdev_init_nofail(), even though their caller usbdevice_create() can
handle failure. Okay if it really can't fail (I didn't check), but
somewhat brittle.
usb_msd_init() and usb_bt_init() call qdev_init(). The latter
additionally reports an error when qdev_init() fails.
Realization failure produces multiple error reports: a specific one
from qdev_init(), and generic ones from usb_bt_init(),
usb_create_simple(), usbdevice_create() and usb_parse().
Remove realization from the usbdevice_init() methods. Realize in
usbdevice_create(), and produce exactly one error message there. You
still get another one from usb_parse().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Spotted by Coverity with preview checker ALLOC_FREE_MISMATCH enabled
and my "coverity: Model g_free() isn't necessarily free()" model patch
applied.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
When see usb codes, find there are redundant brackets !((udev->port->speedmask
& USB_SPEED_MASK_SUPER)) here. So delete it.
Signed-off-by: Jun Li <junmuzi@gmail.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
usb_ep_get and usb_handle_packet can deal with a NULL device, but we have
to avoid dereferencing NULL pointers when building the id.
Thanks to Gonglei for an initial stab at fixing this.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
commit 50dcc0f8 (uhci: tracing support) had removed
DPRINTF, the DEBUG marco is useless now, remove it.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
streams support in usb-redir and usb-host works only with recent enough
versions of the support libraries (libusbredir and libusbx). Failure
mode is rather unelegant: Any stream usb transfers will throw stall
errors. Turning off support for streams in the xhci host controller
will work better as the guest can figure beforehand that streams are
not going to work.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches
# gpg: Signature made Mon 20 Oct 2014 13:04:09 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (28 commits)
block: Make device model's references to BlockBackend strong
block: Lift device model API into BlockBackend
blockdev: Convert qmp_eject(), qmp_change_blockdev() to BlockBackend
block/qapi: Convert qmp_query_block() to BlockBackend
blockdev: Fix blockdev-add not to create DriveInfo
blockdev: Drop superfluous DriveInfo member id
pc87312: Drop unused members of PC87312State
ide: Complete conversion from BlockDriverState to BlockBackend
hw: Convert from BlockDriverState to BlockBackend, mostly
virtio-blk: Rename VirtIOBlkConf variables to conf
virtio-blk: Drop redundant VirtIOBlock member conf
block: Rename BlockDriverCompletionFunc to BlockCompletionFunc
block: Rename BlockDriverAIOCB* to BlockAIOCB*
block: Eliminate DriveInfo member bdrv, use blk_by_legacy_dinfo()
block: Merge BlockBackend and BlockDriverState name spaces
block: Eliminate BlockDriverState member device_name[]
block: Eliminate bdrv_iterate(), use bdrv_next()
blockdev: Eliminate drive_del()
block: Make BlockBackend own its BlockDriverState
block: Code motion to get rid of stubs/blockdev.c
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Device models should access their block backends only through the
block-backend.h API. Convert them, and drop direct includes of
inappropriate headers.
Just four uses of BlockDriverState are left:
* The Xen paravirtual block device backend (xen_disk.c) opens images
itself when set up via xenbus, bypassing blockdev.c. I figure it
should go through qmp_blockdev_add() instead.
* Device model "usb-storage" prompts for keys. No other device model
does, and this one probably shouldn't do it, either.
* ide_issue_trim_cb() uses bdrv_aio_discard() instead of
blk_aio_discard() because it fishes its backend out of a BlockAIOCB,
which has only the BlockDriverState.
* PC87312State has an unused BlockDriverState[] member.
The next two commits take care of the latter two.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The patch is big, but all it really does is replacing
dinfo->bdrv
by
blk_bs(blk_by_legacy_dinfo(dinfo))
The replacement is repetitive, but the conversion of device models to
BlockBackend is imminent, and will shorten it to just
blk_legacy_dinfo(dinfo).
Line wrapping muddies the waters a bit. I also omit tests whether
dinfo->bdrv is null, because it never is.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
by making bootindex a writable qom property.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-bootindex-20141015-1' into staging
allow changing bootorder via monitor at runtime,
by making bootindex a writable qom property.
* remotes/kraxel/tags/pull-bootindex-20141015-1: (34 commits)
bootindex: change fprintf to error_report
bootindex: delete bootindex when device is removed
bootindex: move calling add_boot_device_patch to bootindex setter function
ide: add calling add_boot_device_patch in bootindex setter function
nvma: ide: add bootindex to qom property
usb-storage: add bootindex to qom property
virtio-blk: alias bootindex property explicitly for virt-blk-pci/ccw/s390
block: remove bootindex property from qdev to qom
virtio-blk: add bootindex to qom property
ide: add bootindex to qom property
scsi: add bootindex to qom property
isa-fdc: remove bootindexA/B property from qdev to qom
redirect: remove bootindex property from qdev to qom
vfio: remove bootindex property from qdev to qom
pci-assign: remove bootindex property from qdev to qom
host-libusb: remove bootindex property from qdev to qom
virtio-net: alias bootindex property explicitly for virt-net-pci/ccw/s390
net: remove bootindex property from qdev to qom
usb-net: add bootindex to qom property
vmxnet3: add bootindex to qom property
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
On this way, we can assure the new bootindex take effect
during vm rebooting.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add a qom property with the same name 'bootindex',
when we remove it form qdev property, things will
continue to work just fine, and we can use qom features
which are not supported by qdev property.
Because usb-storage rely on scsi-disk which is created
in usb_msg_realize_storage(), so we should store the SCSIDevice
pointer in MSDState struct. Only in this way, we can change
the global boot_order_list when we want to change the bootindex
during vm rebooting by calling object_property_set_int(Object(SCSIDevice),).
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Remove bootindex form qdev property to qom, things will
continue to work just fine, and we can use qom features
which are not supported by qdev property.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Remove bootindex form qdev property to qom, things will
continue to work just fine, and we can use qom features
which are not supported by qdev property.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add a qom property with the same name 'bootindex',
when we remove it form qdev property, things will
continue to work just fine, and we can use qom features
which are not supported by qdev property.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Drop useless hack that disables hotplug on bus, after backend
storage was added to it, by setting "allow_hotplug = 0". Even
if bus is hotpluggable, it won't be possible to add another
SCSI device to bus since its realize will fail early with
error "no free target" in scsi_qdev_realize() method.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Drop useless hack that disables hotplug on bus by setting
"allow_hotplug = 0". Even if bus is hotpluggable, It won't
be possible to add another SCSI device to bus since its
realization will fail early with error "no free target"
in scsi_qdev_realize() method.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
usb-bot creates SCSI bus and immediately makes it
non hotpluggable which was making not possible to
hotplug usb-bot since QEMU would abort at
bus_add_child(scsi-hd) time when usb-bot is
realized.
Mark usb-bot as not hotpluggable so that attempt
to hotplug it would error out even before it gets
to device initialization point.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This exceeded the trace argument limit for LTTNG UST and wasn't really
needed as the flags value is stored anyway. Dropping this fixes the
compile failure for UST. It can probably be merged with the previous
trace shortening patch.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Recent traces rework introduced 2 tracepoints with 13 and 20
arguments. When dtrace backend is selected
(--enable-trace-backend=dtrace), compile fails as
sys/sdt.h defines DTRACE_PROBE up to DTRACE_PROBE12 only.
This splits long tracepoints.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add a flag to EHCIPCIInfo saying whenever the controller supports
companions or not. Make sure we only allow registering companions for
ehci versions supporting that. Enable pci hotplug for the ehci
variants not supporting companions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
uhci hostadapters in companion setups can't be hotplugged. So leave
hotplug disabled for all ich9 variants (which are already tagged with
unplug = true in the info struct). For the other variants we'll enable
hotplug and remove the companion setup properties.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Whatever the chardev is open or not, we should assure
the speed is matched each other. So, call usb_check_attach()
check speed. And then pass &error_abort at all calls to
usb_device_attach().
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In this way, we can check speed directly, don't need
call usb_device_attach(), which has other conditions,
such as checking the chardev is open.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
All usb-bus devices are realized by realize(),
remove init callback function from USBDeviceClass struct.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In this way, all the implementations now use
error_setg instead of qerror_report for reporting error.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In this way, all the implementations now use
error_setg instead of error_report for reporting error.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In this way, all the implementations now use
error_setg instead of error_report for reporting error.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In this way, all the implementations now use
error_setg instead of error_report for reporting error.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In this way, all the implementations now use
error_setg instead of error_report for reporting error.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In this way, all the implementations now use
error_setg instead of error_report for reporting error.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
meanwhile, qerror_report_err() is a transitional interface to
help with converting existing HMP commands to QMP. It should
not be used elsewhere.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add "realize/unrealize" in USBDeviceClass, which has errp
as a parameter. So all the implementations now use
error_setg instead of error_report for reporting error.
Note: this patch still keep "init" in USBDeviceClass, and
call kclass->init in usb_device_realize(), avoid breaking
git bisect. After realize all usb devices, will be removed.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This converts many kinds of debug prints to traces.
This implements packets logging to avoid unnecessary calculations if
usb_ohci_td_pkt_short/usb_ohci_td_pkt_long is not enabled.
This makes OHCI errors (such as "DMA error") invisible by default.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When scsi_bus_legacy_add_drive() return NULL, meanwhile err will
be not NULL, which will casue memory leak and missing error message.
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
usb_msd_init() calls qemu_opts_create() with a made-up ID and false
fail_if_exists. If the ID already exists, it happily messes up those
options, then fails drive_new(), because the BlockDriverState with
that ID already exists, too.
Reproducer: -drive if=none,id=usb0,format=raw -usbdevice disk:tmp.qcow2
Pass true fail_if_exists to qemu_opts_create(), and if it fails, try
the next made-up ID.
The reproducer now succeeds, and creates an usb-storage device with ID
usb1.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add back the PCIe config capabilities on XHCI cards in non-PCIe slots,
but only for machine types before 2.1.
This fixes a migration incompatibility in the XHCI PCI devices
caused by:
058fdcf52c - xhci: add endpoint cap on express bus only
Note that in fixing it for compatibility with older QEMUs, it breaks
compatibility with existing QEMU 2.1's on older machine types.
The status before this patch was (if it used an XHCI adapter):
machine type | source qemu
any pre-2.1 - FAIL
any 2.1... - PASS
With this patch:
machine type | source qemu
any pre-2.1 - PASS
pre-2.1 2.1... - FAIL
2.1 2.1... - PASS
A test to trigger it is to add '-device nec-usb-xhci,id=xhci,addr=0x12'
to the command line.
Cc: qemu-stable@nongnu.org
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
since hotunplug the ehci host adapter, we should
delete vm_change_state_handler also, so the
VMChangeStateEntry should be saved in EHCIState.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
add global variables releasing logic when the usb buses
were removed or hot-unpluged.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
There appears to be typo in OHCI with isochronous transfers
resulting in isoch. transfer descriptor state never being written back.
The'put_words' function is in a OR statement hence it is never called.
Signed-off-by: Jack Un <jack.un@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
after commit 003e15a180
the DPRINTF will broke compiling, adjust its location.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
We identify devices by their Open Firmware device paths. The encoding
of the host controller and hub port numbers is incorrect:
usb_get_fw_dev_path() formats them in decimal, while SeaBIOS uses
hexadecimal. When some port number > 9, SeaBIOS will miss the
bootindex (lucky case), or apply it to another device (unlucky case).
The relevant spec[*] agrees with SeaBIOS (and OVMF, for that matter).
Change %d to %x.
Bug can bite only with host controllers or hubs sporting more than ten
ports. I'm not aware of any.
[*] Open Firmware Recommended Practice: Universal Serial Bus,
Version 1, Section 3.2.1 Device Node Address Representation
http://www.openfirmware.org/1275/bindings/usb/usb-1_0.ps
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Note: xhci can be configured with up to 15 ports (default is 4 ports).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Memory changes for QOMification and automatic tracking of MR lifetime.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
SCSI changes that enable sending vendor-specific commands via virtio-scsi.
Memory changes for QOMification and automatic tracking of MR lifetime.
# gpg: Signature made Mon 18 Aug 2014 13:03:09 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/bonzini/tags/for-upstream:
mtree: remove write-only field
memory: Use canonical path component as the name
memory: Use memory_region_name for name access
memory: constify memory_region_name
exec: Abstract away ref to memory region names
loader: Abstract away ref to memory region names
tpm_tis: remove instance_finalize callback
memory: remove memory_region_destroy
memory: convert memory_region_destroy to object_unparent
ioport: split deletion and destruction
nic: do not destroy memory regions in cleanup functions
vga: do not dynamically allocate chain4_alias
sysbus: remove unused function sysbus_del_io
qom: object: move unparenting to the child property's release callback
qom: object: delete properties before calling instance_finalize
virtio-scsi: implement parse_cdb
scsi-block, scsi-generic: implement parse_cdb
scsi-block: extract scsi_block_is_passthrough
scsi-bus: introduce parse_cdb in SCSIDeviceClass and SCSIBusInfo
scsi-bus: prepare scsi_req_new for introduction of parse_cdb
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The function is empty after the previous patch, so remove it.
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
imitate nearby code about using '!value' or 'value == NULL'
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reason: we don't want commit to that interface yet. Possibly
the implementation will be switched over to use fsdev.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
"vmstate_xhci_event" was introduced in commit 37352df3 ("xhci: add live
migration support"), and first released in v1.6.0. The field list in this
VMSD is not terminated with the VMSTATE_END_OF_LIST() macro.
During normal use (ie. migration), the issue is practically invisible,
because the "vmstate_xhci_event" object (with the unterminated field list)
is only ever referenced -- via "vmstate_xhci_intr" -- if xhci_er_full()
returns true, for the "ev_buffer" test. Since that field_exists() check
(apparently) almost always returns false, we almost never traverse
"vmstate_xhci_event" during migration, which hides the bug.
However, Amit's vmstate checker forces recursion into this VMSD as well,
and the lack of VMSTATE_END_OF_LIST() breaks the field list terminator
check (field->name != NULL) in dump_vmstate_vmsd(). The result is
undefined behavior, which in my case translates to infinite recursion
(because the loop happens to overflow into "vmstate_xhci_intr", which then
links back to "vmstate_xhci_event").
Add the missing terminator.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Attach a name to the MTP interface (android phones have this too).
With this patch recent linux guests such as fedora 20 happily detect and
use the device. It shows up in nautilus file manager automatically, and
simple-mtpfs can mount it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Shut up Coverity's complaint about unchecked fcntl return values,
and especially make the code simpler and more efficient.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
