| Commit message (Collapse) | Author | Age | Files | Lines |
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# By Andreas Färber
# Via Andreas Färber
* afaerber/qom-cpu:
linux-user: bsd-user: Don't reset X86CPU twice
target-i386: Pass X86CPU to cpu_x86_set_a20()
target-unicore32: Rename CPU subtypes
target-openrisc: Rename CPU subtypes
target-openrisc: TYPE_OPENRISC_CPU should be abstract
target-m68k: Rename CPU subtypes
target-m68k: Mark as unmigratable
target-s390x: Mark as unmigratable
target-sh4: Mark as unmigratable
target-xtensa: Mark as unmigratable
target-microblaze: Mark as unmigratable
target-unicore32: Mark as unmigratable
ide/mmio: QOM'ify MMIO IDE for R2D
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Prepares for cpu_interrupt() changing argument to CPUState.
While touching it, rename to x86_cpu_...() now that it takes an X86CPU.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
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It was not qdev'ified before, so turn it into a SysBusDevice.
Keep mmio_ide_init_drives() around to attach the hard drive.
Signed-off-by: Andreas Färberr <afaerber@suse.de>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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virtio,make,pci,e1000,vfio,piix
This includes my timestamp generation cleanup,
Amos's and my work on virtio net commands,
pci,e1000,vfio and piix fixes.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu 31 Jan 2013 06:20:27 AM CST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (6) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
vfio-pci: Enable PCIe extended config space
PIIX3: reset the VM when the Reset Control Register's RCPU bit gets set
ich9: add support for pci assignment
virtio-net: rename ctrl rx commands
virtio-net: introduce a new macaddr control
virtio-net: remove layout assumptions for ctrl vq
virtio-net: revert mac on reset
rules/mak: make clean should blow away timestamp files
Makefile: clean timestamp generation rule
rules.mak: cleanup config generation rules
e1000: document ICS read behaviour
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We don't know pre-init time whether the device we're exposing is PCIe
or legacy PCI. We could ask for it to be specified via a device
option, but that seems like too much to ask of the user. Instead we
can assume everything will be PCIe, which makes PCI-core allocate
enough config space. Removing the flag during init leaves the space
allocated, but allows legacy PCI devices to report the real device
config space size to rest of Qemu.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Traditional PCI config space access is achieved by writing a 32 bit
value to io port 0xcf8 to identify the bus, device, function and config
register. Port 0xcfc then contains the register in question. But if you
write the appropriate pair of magic values to 0xcf9, the machine will
reboot. Spectacular! And not standardised in any way (certainly not part
of the PCI spec), so different chipsets may have different requirements.
Booo.
In the PIIX3 spec, IO port 0xcf9 is specified as the Reset Control
Register. Bit 1 (System Reset, SRST) would normally differentiate between
soft reset and hard reset, but we ignore the difference beyond allowing
the guest to read it back.
RHBZ reference: 890459
This patch introduces the following overlap between the preexistent
"pci-conf-idx" region and the "piix3-reset-control" region just being
added. Partial output from "info mtree":
I/O
0000000000000000-000000000000ffff (prio 0, RW): io
0000000000000cf8-0000000000000cfb (prio 0, RW): pci-conf-idx
0000000000000cf9-0000000000000cf9 (prio 1, RW): piix3-reset-control
I sanity-checked the patch by booting a RHEL-6.3 guest and found no
problems. I summoned gdb and set a breakpoint on rcr_write() in order to
gather a bit more confidence. Relevant frames of the stack:
kvm_handle_io (port=3321, data=0x7f3f5f3de000, direction=1, size=1,
count=1) [kvm-all.c:1422]
cpu_outb (addr=3321, val=6 '\006') [ioport.c:289]
ioport_write (index=0, address=3321, data=6) [ioport.c:83]
ioport_writeb_thunk (opaque=0x7f3f622c4680, addr=3321, data=6)
[ioport.c:212]
memory_region_iorange_write (iorange=0x7f3f622c4680, offset=0,
width=1, data=6) [memory.c:439]
access_with_adjusted_size (addr=0, value=0x7f3f531fbac0,
size=1, access_size_min=1,
access_size_max=4,
access=0x7f3f5f6e0f90
<memory_region_write_accessor>,
opaque=0x7f3f6227b668)
[memory.c:364]
memory_region_write_accessor (opaque=0x7f3f6227b668, addr=0,
value=0x7f3f531fbac0, size=1,
shift=0, mask=255)
[memory.c:334]
rcr_write (opaque=0x7f3f6227afb0, addr=0, val=6, len=1)
[hw/piix_pci.c:498]
The dispatch happens in ioport_write(); "index=0" means byte-wide access:
static void ioport_write(int index, uint32_t address, uint32_t data)
{
static IOPortWriteFunc * const default_func[3] = {
default_ioport_writeb,
default_ioport_writew,
default_ioport_writel
};
IOPortWriteFunc *func = ioport_write_table[index][address];
if (!func)
func = default_func[index];
func(ioport_opaque[address], address, data);
}
The "ioport_write_table" and "ioport_opaque" arrays describe the flattened
IO port space. The first array is less interesting (it selects a thunk
function). The "ioport_opaque" array is interesting because it decides how
writing to the port is implemented ultimately.
4-byte wide access to 0xcf8 (pci-conf-idx):
(gdb) print ioport_write_table[2][0xcf8]
$1 = (IOPortWriteFunc *) 0x7f3f5f6d99ba <ioport_writel_thunk>
(gdb) print \
((struct MemoryRegionIORange*)ioport_opaque[0xcf8])->mr->ops.write
$2 = (void (*)(void *, hwaddr, uint64_t, unsigned int))
0x7f3f5f5575cb <pci_host_config_write>
1-byte wide access to 0xcf9 (piix3-reset-control):
(gdb) print ioport_write_table[0][0xcf9]
$3 = (IOPortWriteFunc *) 0x7f3f5f6d98d0 <ioport_writeb_thunk>
(gdb) print \
((struct MemoryRegionIORange*)ioport_opaque[0xcf9])->mr->ops.write
$4 = (void (*)(void *, hwaddr, uint64_t, unsigned int))
0x7f3f5f6b42f1 <rcr_write>
The higher priority of "piix3-reset-control" ensures that the 0xcf9
entries in ioport_write_table / ioport_opaque will always belong to it,
independently of its relative registration order versus "pci-conf-idx".
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Fills out support for the pci assignment API. Added:
PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin)
Add calls to pci_bus_fire_intx_routing_notifier() when routing changes
are made.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch makes rx commands consistent with specification.
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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In virtio-net guest driver, currently we write MAC address to
pci config space byte by byte, this means that we have an
intermediate step where mac is wrong. This patch introduced
a new control command to set MAC address, it's atomic.
VIRTIO_NET_F_CTRL_MAC_ADDR is a new feature bit for compatibility.
"mac" field will be set to read-only when VIRTIO_NET_F_CTRL_MAC_ADDR
is acked.
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Virtio-net code makes assumption about virtqueue descriptor layout
(e.g. sg[0] is the header, sg[1] is the data buffer).
This patch makes code not rely on the layout of descriptors.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Once guest overrides virtio net primary mac,
it retains the value set until qemu exit.
This is inconsistent with standard nic behaviour.
To fix, revert the mac to the original value on reset.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Add code comment to clarify the reason we set ICS with ICR:
the reason was previously undocumented and git
log confused rather than clarified the comments.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# By Christoffer Dall (1) and Peter Maydell (1)
# Via Peter Maydell
* pmaydell/arm-devs.next:
hw/vexpress: Use correct HBI (board model number) for vexpress-a15
hw/arm_sysctl: Clear sysctl cfgctrl start bit
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The vexpress-a15 QEMU model is supposed to be a V2P-CA15; the HBI
(a kind of board model number) for this coretile is 237, not 217.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The start bit should only be set to indicate that a function call is
underway, right now. When done with function, clear it.
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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# By Markus Armbruster (12) and others
# Via Stefan Hajnoczi
* stefanha/trivial-patches:
qmp-commands.hx: s/tray-open/tray_open/ to match qapi schema
tests: Fix {rtc, m48t59}-test build on illumos
qemu-pixman.h: Avoid mutual inclusion loop with console.h
qemu-ga: Fix unchecked strdup() by converting to g_strdup()
qapi: Fix unchecked strdup() by converting to g_strdup()
libcacard: Fix unchecked strdup() by converting to g_strdup()
qemu-log: Plug trivial memory leak in cpu_set_log_filename()
qemu-log: Fix unchecked strdup() by converting to g_strdup()
virtfs-proxy-helper: Fix unchecked strdup() by conv. to g_strdup()
spice: Fix unchecked strdup() by converting to g_strdup()
readline: Fix unchecked strdup() by converting to g_strdup()
hw/9pfs: Fix unchecked strdup() by converting to g_strdup()
g_strdup(NULL) returns NULL; simplify
g_malloc(0) and g_malloc0(0) return NULL; simplify
xilinx_axidma: Fix debug mode compile messages
cadence_gem: Debug mode compile fixes
cadence_ttc: Debug mode compile fixes
vnc: Clean up vncws_send_handshake_response()
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Note: the allocation in virtio_9p_init() is still leaked. To be fixed
in a followup commit.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Once upon a time, it was decided that qemu_malloc(0) should abort.
Switching to glib retired that bright idea. Some code that was added
to cope with it (e.g. in commits 702ef63, b76b6e9) is still around.
Bury it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Missing cast one one of the conditionally compiled printfs.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Some printfs are throwing warnings when debug mode is enabled. Fixed.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Some printfs are throwing warnings when debug mode is enabled. Fixed.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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# By Andreas Färber
# Via Andreas Färber
* afaerber-or/prep-up:
prep: Move PReP machine to hw/ppc/
prep_pci: Convert to QOM realizefn
prep_pci: Create PCIBus and PCIDevice in-place
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Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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SysBusDeviceClass' initfn merely calls SysBusDeviceClass::init, so we
can already hook up our own realizefn overwriting this behavior.
A symmetric unrealizefn is not necessary, knowing that the child's
unrealizefn is still no-op, too. Avoids ripping it out again when
recursive realization at DeviceState-level is implemented.
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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Prepares for QOM realizefn by removing object creation from qdev initfn.
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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set_bit on indicators doesn't go well on 32 bit targets:
note: expected 'long unsigned int *' but argument is of type 'uint64_t *'
Switch to bit shifts instead.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
[agraf: use 1ULL instead]
Signed-off-by: Alexander Graf <agraf@suse.de>
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Changed error codes in the channel subsystem / virtio-ccw code
(-EOPNOTSUPP -> -ENOSYS, -ERESTART -> -EINPROGRESS).
This should hopefully fix building on mingw32.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Map the I/O interruption code before calling into css.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Add a new machine type, s390-ccw-virtio, making use of the
virtio-ccw transport to present virtio devices as channel
devices.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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s390_virtio_bus_find_mem() may return a NULL VirtIOS390Device.
If called with, e.g., args[0] == 0, this leads to a segfault.
Fix this by adding error handling as done for other hypercalls.
Present since baf0b55a9e57b909b1f8b0f732c0b10242867418 (Implement
virtio reset).
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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This moves all files only used by s390 system emulation to hw/s390x.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
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virtio-s390 devices are not being reset when their bus is. To fix
this, add a reset method that forwards to virtio_reset. This is
only needed because of the "strange" modeling of virtio devices;
the ->vdev link is being handled manually rather than through qdev.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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All TypeInfo definitions should be const.
Signed-off-by: Alexander Graf <agraf@suse.de>
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Add a new virtio transport that uses channel commands to perform
virtio operations.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Some of the machine initialization for s390-virtio will be reused
by virtio-ccw.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Provide a mechanism for qemu to provide fully virtual subchannels to
the guest.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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The current s390 machine uses the virtio console as default console,
but this doesn't mean that we always want to keep it that way for new
machines.
This patch introduces a way for a machine type to specify that it wants
the default console to be an SCLP console, which is a lot closer to what
real hardware does.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
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* afaerber/qom-cpu: (37 commits)
kvm: Pass CPUState to kvm_on_sigbus_vcpu()
cpu: Unconditionalize CPUState fields
target-m68k: Use type_register() instead of type_register_static()
target-unicore32: Use type_register() instead of type_register_static()
target-openrisc: Use type_register() instead of type_register_static()
target-unicore32: Catch attempt to instantiate abstract type in cpu_init()
target-openrisc: Catch attempt to instantiate abstract type in cpu_init()
target-m68k: Catch attempt to instantiate abstract type in cpu_init()
target-arm: Catch attempt to instantiate abstract type in cpu_init()
target-alpha: Catch attempt to instantiate abstract type in cpu_init()
qom: Introduce object_class_is_abstract()
target-unicore32: Detect attempt to instantiate non-CPU type in cpu_init()
target-openrisc: Detect attempt to instantiate non-CPU type in cpu_init()
target-m68k: Detect attempt to instantiate non-CPU type in cpu_init()
target-alpha: Detect attempt to instantiate non-CPU type in cpu_init()
target-arm: Detect attempt to instantiate non-CPU type in cpu_init()
cpu: Add model resolution support to CPUClass
target-i386: Remove setting tsc-frequency from x86_def_t
target-i386: Set custom features/properties without intermediate x86_def_t
target-i386: Remove vendor_override field from CPUX86State
...
Conflicts:
tests/Makefile
Resolved simple conflict caused by lack of context in Makefile
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This keeps compatibility on machine-types pc-1.2 and older, and prints a
warning in case the requested configuration won't get the correct
topology.
I couldn't think of a better way to warn about broken topology when in
compat mode other than using error_report(). The warning message will
probably be buried in a log file somewhere, but it's better than
nothing.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This changes FW_CFG_MAX_CPUS and FW_CFG_NUMA to use apic_id_for_cpu(),
so the NUMA table can be based on the APIC IDs, instead of CPU index
(SeaBIOS knows nothing about CPU indexes, just APIC IDs).
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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PC will not use max_cpus for that field, so move it outside the common
code so it can use a different value on PC.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Currently, the pc-1.4 machine init function enables PV EOI and then
calls the pc-1.2 machine init function. The problem with this approach
is that now we can't enable any additional compatibility code inside the
pc-1.2 init function because it would end up enabling the compatibility
behavior on pc-1.3 and pc-1.4 as well.
This reverses the logic so that the pc-1.2 machine init function will
disable PV EOI, and then call the pc-1.4 machine init function.
This way we can change older machine-types to enable compatibility
behavior, and the newer machine-types (pc-1.3, pc-q35-1.4 and
pc-i440fx-1.4) would just use the default behavior.
(This means that one nice side-effect of this change is that pc-q35-1.4
will get PV EOI enabled by default, too)
It would be interesting to eventually change pc_init_pci_no_kvmclock()
and pc_init_isa() to reuse pc_init_pci_1_2() as well (so we don't need
to duplicate compatibility code on those two functions). But this will
be probably much easier to do after we create a PCInitArgs struct for
the PC initialization arguments, and/or after we use global-properties
to implement the compatibility modes present in pc_init_pci_1_2().
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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# By Paolo Bonzini (14) and others
# Via Kevin Wolf
* kwolf/for-anthony: (24 commits)
ide: Add fall through annotations
block: Create proper size file for disk mirror
ahci: Add migration support
ahci: Change data types in preparation for migration
ahci: Remove unused AHCIDevice fields
hbitmap: add assertion on hbitmap_iter_init
mirror: do nothing on zero-sized disk
block/vdi: Check for bad signature
block/vdi: Improved return values from vdi_open
block/vdi: Improve debug output for signature
block: Use error code EMEDIUMTYPE for wrong format in some block drivers
block: Add special error code for wrong format
mirror: support arbitrarily-sized iterations
mirror: support more than one in-flight AIO operation
mirror: add buf-size argument to drive-mirror
mirror: switch mirror_iteration to AIO
mirror: allow customizing the granularity
block: allow customizing the granularity of the dirty bitmap
block: return count of dirty sectors, not chunks
mirror: perform COW if the cluster size is bigger than the granularity
...
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Add comments to help static analysers detect that these cases are
intentional, and clean up some whitespace in the environment of these
comments.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Jason tested these patches by migrating Windows 7 and Fedora 17 guests
(while under I/O) on both piix with ahci attached and on q35 (which has
a built-in AHCI controller).
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The size of an int depends on the host, so in order to be able to
migrate these fields, make them either int32_t or bool, depending on the
use.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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'dma_status' and 'dma_cb' are written to, but never read.
Remove these fields in preparation for AHCI migration bits.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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# By Lei Li (3) and others
# Via Luiz Capitulino
* luiz/queue/qmp:
QAPI: Introduce memchar-read QMP command
QAPI: Introduce memchar-write QMP command
qemu-char: Add new char backend CirMemCharDriver
docs: document virtio-balloon stats
balloon: re-enable balloon stats
balloon: drop old stats code & API
block: Monitor command commit neglects to report some errors
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The statistics are now available through device properties via a
polling mechanism. First a client has to enable polling, then it
can query available stats.
Polling is enabled by setting an update interval (in seconds)
to a property named guest-stats-polling-interval, like this:
{ "execute": "qom-set",
"arguments": { "path": "/machine/peripheral-anon/device[1]",
"property": "guest-stats-polling-interval", "value": 4 } }
Then the available stats can be retrieved by querying the
guest-stats property. The returned object is a dict containing
all available stats. Example:
{ "execute": "qom-get",
"arguments": { "path": "/machine/peripheral-anon/device[1]",
"property": "guest-stats" } }
{
"return": {
"stats": {
"stat-swap-out": 0,
"stat-free-memory": 844943360,
"stat-minor-faults": 219028,
"stat-major-faults": 235,
"stat-total-memory": 1044406272,
"stat-swap-in": 0
},
"last-update": 1358529861
}
}
Please, check the next commit for full documentation.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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