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Introduces two simple functions:
int kvm_device_ioctl(int fd, int type, ...);
int kvm_create_device(KVMState *s, uint64_t type, bool test);
These functions wrap the basic ioctl-based interactions with KVM in a
way similar to other KVM ioctl wrappers.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1392687720-26806-4-git-send-email-christoffer.dall@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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s/offet/offset/
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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n_start can be actually calculated from offset. The number of
sectors to be allocated(n_end - n_start) can be passed in in
num. By removing n_start and n_end, we can save two parameters.
The side effect is there is a bug in qcow2.c:preallocate() that
passes incorrect n_start to qcow2_alloc_cluster_offset() is
fixed. The bug can be triggerred by a larger cluster size than
the default value(65536), for example:
./qemu-img create -f qcow2 \
-o 'cluster_size=131072,preallocation=metadata' file.img 4G
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This patch adds support for special usb descriptors used by microsoft
windows. They allow more fine-grained control over driver binding and
adding entries to the registry for configuration.
As this is a guest-visible change the "msos-desc" compat property
has been added to turn this off for 1.7 + older
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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# By Paolo Bonzini (17) and others
# Via Stefan Hajnoczi
* stefanha/block: (48 commits)
qemu-iotests: filter QEMU monitor \r\n
aio: make aio_poll(ctx, true) block with no fds
block: clean up bdrv_drain_all() throttling comments
qcow2: use start_of_cluster() and offset_into_cluster() everywhere
qemu-img: decrease progress update interval on convert
qemu-img: round down request length to an aligned sector
qemu-img: dynamically adjust iobuffer size during convert
block/iscsi: set bs->bl.opt_transfer_length
block: add opt_transfer_length to BlockLimits
block/iscsi: set bdi->cluster_size
qemu-img: fix usage instruction for qemu-img convert
qemu-img: add support for skipping zeroes in input during convert
qemu-nbd: add doc for option -f
qemu-iotests: add test for snapshot in qemu-img convert
qemu-img: add -l for snapshot in convert
qemu-iotests: add 058 internal snapshot export with qemu-nbd case
qemu-nbd: support internal snapshot export
snapshot: distinguish id and name in load_tmp
qemu-iotests: Split qcow2 only cases in 048
qemu-iotests: Clean up spaces in usage output
...
Message-id: 1386347807-27359-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
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Improvements for usb3 bulk stream (usb core, xhci).
Bugfixes for uas emulation.
Add remote wakeup support for ehci.
Add suspend support for xhci.
Misc minor tweaks and fixes.
# gpg: Signature made Thu 28 Nov 2013 11:44:49 PM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found
# By Hans de Goede (11) and others
# Via Gerd Hoffmann
* kraxel/tags/pull-usb-1:
usb: move usb_{hi,lo} helpers to header file.
usb: add vendor request defines
trace-events: Clean up after removal of old usb-host code
Revert "usb-tablet: Don't claim wakeup capability for USB-2 version"
ehci: implement port wakeup
xhci: Call usb_device_alloc/free_streams
usb: Add usb_device_alloc/free_streams
usb: Add max_streams attribute to endpoint info
uas: s/ui/iu/
uas: Fix response iu struct definition
uas: Bounds check tags when using streams
uas: Streams are numbered 1-y, rather then 0-x
uas: Fix / cleanup usb_uas_task error handling
uas: Only use report iu-s for task_mgmt status reporting
scsi: Add 2 new sense codes needed by uas
xhci: add support for suspend/resume
xhci: Add a few missing checks for disconnected devices
Message-id: 1385712381-30918-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
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Writing zeroes to a file can be done by punching a hole if
MAY_UNMAP is set.
Note that in this case ENOTSUP is not ignored, but makes
the block layer fall back to the generic implementation.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This will be used by the SCSI layer.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Commit b5613fd neglected to drop the trace events along with the code.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Update portsc register and raise irq in case a suspended
port is woken up, so remote wakeup works on our ehci ports.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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# By Stefan Weil (8) and others
# Via Michael Tokarev
* mjt/trivial-patches:
tests/.gitignore: ignore test-throttle
exec: Fix broken build for MinGW (regression)
kvm: Fix compiler warning (clang)
tcg-sparc: Fix parenthesis warning
Makefile: Remove some more files when cleaning
target-i386: Fix segment cache dump
iov: avoid "orig_len may be used unitialized" warning
vscclient: remove unnecessary use of uninitialized variable
trace-events: Clean up with scripts/cleanup-trace-events.pl again
tci: Fix qemu-alpha on 32 bit hosts (wrong assertions)
*-user: Improve documentation for lock_user function
MAINTAINERS: Add missing entry to filelist for TCI target
translate-all: Fix formatting of dump output
*-user: Fix typo in comment (ulocking -> unlocking)
docs: Fix IO port number for CPU present bitmap.
q35: Fix typo in constant DEFUALT -> DEFAULT.
configure: Undefine _FORTIFY_SOURCE prior using it
Message-id: 1379696296-32105-1-git-send-email-mjt@msgid.tls.msk.ru
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Event qxl_render_blit_guest_primary_initialized is unused since commit
c58c7b9, drop it.
Commit 42e5b4c moved hw/ppc/xics.c to hw/intc/xics.c without updating
the comment in trace-events.
"scripts/cleanup-trace-events.pl trace-events | diff trace-events" is
now clean again.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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KVM request types are normally defined using hex constants but QEMU traces
print decimal values instead, which is not very convenient.
This changes the request type format from %d to %x.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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# By Gerd Hoffmann (10) and Marcel Apfelbaum (1)
# Via Gerd Hoffmann
* kraxel/usb.88:
usb/dev-hid: Modified usb-tablet category from Misc to Input
Revert "usb-hub: report status changes only once"
usb-hub: add tracepoint for status reports
usb: parallelize usb3 streams
uas: add property for request logging
xhci: reset port when disabling slot
xhci: emulate intr endpoint intervals correctly
xhci: fix endpoint interval calculation
xhci: add port to slot_address tracepoint
xhci: add tracepoint for endpoint state changes
xhci: remove leftover debug printf
Message-id: 1378117055-29620-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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pc,pci,virtio fixes and cleanups
This includes pc and pci cleanups and enhancements,
and a virtio bugfix for level interrupts.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 01 Sep 2013 03:15:36 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (3) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
virtio_pci: fix level interrupts with irqfd
pc: reduce duplication, fix PIIX descriptions
hw: Clean up bogus default boot order
pci: add config space access traces
pc: fix regression for 64 bit PCI memory
pci: Introduce helper to retrieve a PCI device's DMA address space
Message-id: 1378023590-11109-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This converts old style fprintf to traces.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: change patch subject]
Signed-off-by: Alexander Graf <agraf@suse.de>
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This adds pci_cfg_read and pci_cfg_write traces for config spaces
accesses.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This is quite handy to debug softmmu targets.
Reviewed-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1375016242-32651-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduces a new Xen PV PCI device which will act as a binding point for
PV drivers for Xen.
The device has parameterized vendor-id, device-id and revision to allow to
be configured as a binding point for any vendor's PV drivers.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
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They're all wrong since (at least) Paolo's big source tree
reorganization. Need to shuffle some event declarations around to
keep them under the correct source file comment.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Dropped event Unused since
mirror_cow 884fea4
paio_complete 47e6b25
paio_cancel 47e6b25
usb_ehci_data 0ce668b
megasas_qf_dequeue never used
megasas_handle_frame never used
megasas_io_continue never used
megasas_iovec_map_failed never used
megasas_dcmd_map_failed never used
milkymist_softusb_mouse_event 4c15ba9
xen_map_block 6506e4f
xen_unmap_block 6506e4f
qemu_spice_start 67be672
qemu_spice_stop 67be672
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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If a user chooses to turn on the auto-converge migration capability
these changes detect the lack of convergence and throttle down the
guest. i.e. force the VCPUs out of the guest for some duration
and let the migration thread catchup and help converge.
Verified the convergence using the following :
- Java Warehouse workload running on a 20VCPU/256G guest(~80% busy)
- OLTP like workload running on a 80VCPU/512G guest (~80% busy)
Sample results with Java warehouse workload : (migrate speed set to 20Gb and
migrate downtime set to 4seconds).
(qemu) info migrate
capabilities: xbzrle: off auto-converge: off <----
Migration status: active
total time: 1487503 milliseconds
expected downtime: 519 milliseconds
transferred ram: 383749347 kbytes
remaining ram: 2753372 kbytes
total ram: 268444224 kbytes
duplicate: 65461532 pages
skipped: 64901568 pages
normal: 95750218 pages
normal bytes: 383000872 kbytes
dirty pages rate: 67551 pages
---
(qemu) info migrate
capabilities: xbzrle: off auto-converge: on <----
Migration status: completed
total time: 241161 milliseconds
downtime: 6373 milliseconds
transferred ram: 28235307 kbytes
remaining ram: 0 kbytes
total ram: 268444224 kbytes
duplicate: 64946416 pages
skipped: 64903523 pages
normal: 7044971 pages
normal bytes: 28179884 kbytes
Signed-off-by: Chegu Vinod <chegu_vinod@hp.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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backup_start() creates a block job that copies a point-in-time snapshot
of a block device to a target block device.
We call backup_do_cow() for each write during backup. That function
reads the original data from the block device before it gets
overwritten. The data is then written to the target device.
Currently backup cluster size is hardcoded to 65536 bytes.
[I made a number of changes to Dietmar's original patch and folded them
in to make code review easy. Here is the full list:
* Drop BackupDumpFunc interface in favor of a target block device
* Detect zero clusters with buffer_is_zero() and use bdrv_co_write_zeroes()
* Use 0 delay instead of 1us, like other block jobs
* Unify creation/start functions into backup_start()
* Simplify cleanup, free bitmap in backup_run() instead of cb
* function
* Use HBitmap to avoid duplicating bitmap code
* Use bdrv_getlength() instead of accessing ->total_sectors
* directly
* Delete the backup.h header file, it is no longer necessary
* Move ./backup.c to block/backup.c
* Remove #ifdefed out code
* Coding style and whitespace cleanups
* Use bdrv_add_before_write_notifier() instead of blockjob-specific hooks
* Keep our own in-flight CowRequest list instead of using block.c
tracked requests. This means a little code duplication but is much
simpler than trying to share the tracked requests list and use the
backup block size.
* Add on_source_error and on_target_error error handling.
* Use trace events instead of DPRINTF()
-- stefanha]
Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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# By Paolo Bonzini (11) and others
# Via Paolo Bonzini
* bonzini/iommu-for-anthony:
memory: clean up phys_page_find
memory: populate FlatView for new address spaces
memory: limit sections in the radix tree to the actual address space size
s390x: reduce TARGET_PHYS_ADDR_SPACE_BITS to 62
memory: fix address space initialization/destruction
memory: make memory_global_sync_dirty_bitmap take an AddressSpace
memory: do not duplicate memory_region_destructor_none
memory: Rename readable flag to romd_mode
memory: Replace open-coded memory_region_is_romd
memory: allow memory_region_find() to run on non-root memory regions
memory: assert that PhysPageEntry's ptr does not overflow
exec: eliminate stq_phys_notdirty
exec: make qemu_get_ram_ptr private
exec: eliminate qemu_put_ram_ptr
exec: remove obsolete comment
Message-id: 1369414987-8839-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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qemu_co_queue_next(&queue) arranges that the next queued coroutine is
run at a later point in time. This deferred restart is useful because
the caller may not want to transfer control yet.
This behavior was implemented using QEMUBH in the past, which meant that
CoQueue (and hence CoMutex and CoRwlock) had a dependency on the
AioContext event loop. This hidden dependency causes trouble when we
move to a world with multiple event loops - now qemu_co_queue_next()
needs to know which event loop to schedule the QEMUBH in.
After pondering how to stash AioContext I realized the best solution is
to not use AioContext at all. This patch implements the deferred
restart behavior purely in terms of coroutines and no longer uses
QEMUBH.
Here is how it works:
Each Coroutine has a wakeup queue that starts out empty. When
qemu_co_queue_next() is called, the next coroutine is added to our
wakeup queue. The wakeup queue is processed when we yield or terminate.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Commit e7a09b92b70786f9e8c5fbf787e0248c6ebbe707 added a trace at each
memory freeing, but unfortunately inverted size and pointer when printing
them. Fix trace.
This also led to a compilation error on 32 bit hosts:
In file included from include/trace.h:4:0,
from trace/generated-events.c:3:
./trace/generated-tracers.h: In function ‘trace_qemu_anon_ram_free’:
./trace/generated-tracers.h:64:9: error: format ‘%zu’ expects argument of type
‘size_t’, but argument 3 has type ‘void *’ [-Werror=format]
./trace/generated-tracers.h:64:9: error: format ‘%p’ expects argument of type
‘void *’, but argument 4 has type ‘size_t’ [-Werror=format]
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-id: 1369045989-14016-1-git-send-email-hpoussin@reactos.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We switched from qemu_memalign to mmap() but then we don't modify
qemu_vfree() to do a munmap() over free(). Which we cannot do
because qemu_vfree() frees memory allocated by qemu_{mem,block}align.
Introduce a new function that does the munmap(), luckily the size is
available in the RAMBlock.
Reported-by: Amos Kong <akong@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Message-id: 1368454796-14989-3-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This is preparatory to the introduction of a separate freeing API.
Reported-by: Amos Kong <akong@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Message-id: 1368454796-14989-2-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This provides a way to detect the cast that leads to a (reproducible)
crash even when QOM cast debugging is disabled.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1368188203-3407-6-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch enable us to know exit reason of KVM_RUN. It will help us
know where the trouble is caused.
Signed-off-by: Kazuya Saito <saito.kazuya@jp.fujitsu.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This patch adds tracepoints at ioctl to kvm. Tracing these ioctl is
useful for clarification whether the cause of troubles is qemu or kvm.
Signed-off-by: Kazuya Saito <saito.kazuya@jp.fujitsu.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This fixes the following error:
In file included from qemu/include/trace.h:4:0,
from trace/generated-events.c:3:
./trace/generated-tracers.h: In function ‘trace_pvscsi_get_sg_list’:
./trace/generated-tracers.h:4271:9: error: format ‘%lu’ expects argument of
type ‘long unsigned int’, but argument 4 has type ‘size_t’ [-Werror=format]
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Report the supported speeds for device and port in the error message.
Also add the speeds to the tracepoint. And while being at it drop
the redundant error message in usb_desc_attach, usb_device_attach will
report the error anyway.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Yan Vugenfirer <yan@daynix.com>
[ Rename files to vmw_pvscsi, fix setting of hostStatus in
pvscsi_request_cancelled - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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# By Gerd Hoffmann (6) and Hans de Goede (1)
# Via Gerd Hoffmann
* kraxel/usb.80:
use libusb for usb-host
xhci: fix address device
xhci: use slotid as device address
xhci: fix portsc writes
xhci: add xhci_cap_write
xhci: remove leftover debug printf
usb-serial: Remove double call to qemu_chr_add_handlers( NULL )
Message-id: 1366107190-30853-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Reimplement usb-host on top of libusb.
Reasons to do this:
(1) Largely rewritten from scratch, nice opportunity to kill historical
cruft.
(2) Offload usbfs handling to libusb.
(3) Have a single portable code base instead of bsd + linux variants.
(4) Bring usb-host support to any platform supported by libusbx.
For now this goes side-by-side to the existing code. That is only to
simplify regression testing though, at the end of the day I want remove
the old code and support libusb exclusively. Merge early in 1.5 cycle,
remove the old code after 1.5 release or something like this.
Thanks to qdev the old and new code can coexist nicely on linux. Just
use "-device usb-host-linux" to use the old linux driver instead of the
libusb one (which takes over the "usb-host" name).
The bsd driver isn't qdev'ified so it isn't that easy for bsd.
I didn't bother making it runtime switchable, so you have to rebuild
qemu with --disable-libusb to get back the old code.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Check for port reset first and skip everything else then.
Add sanity checks for PLS updates.
Add PLC notification when entering PLS_U0 state.
This gets host-initiated port resume going on win8.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Make gui update rate adaption code in gui_update() actually work.
Sprinkle in a tracepoint so you can see the code at work. Remove
the update rate adaption code in vnc and make vnc simply use the
generic bits instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Hardcode depth to 32 bpp. It effectively was that way before because
that is the default surface depth, this just makes it explicit in the
code.
Rename depth to new_depth to make it consistent with the new_width +
new_height names. In theory we can make new_depth changeable (i.e.
allow the guest to fill in -- say -- 16 there). In practice the guests
don't try, the X-Server refuses to start if you ask it to use 16bpp
depth (via DefaultDepth in the Screen section).
Always return the correct rmask+gmask+bmask values for the given
new_depth.
Fix mode setting to also verify at new_depth to make sure we have a
correct DisplaySurface, even if the current video mode happes to be
16bpp (set by vgabios via bochs vbe interface). While being at it
switch over to use qemu_create_displaysurface_from, so the surface is
backed by guest-visible video memory and we save a memcpy.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Replace them with a tracepoint, so they don't spam stderr by default.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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