COLO-compare, we do packet comparing job.
Packets coming from the primary char indev will be sent to outdev.
Packets coming from the secondary char dev will be dropped after comparing.
-COLO-comapre need two input chardev and one output chardev:
+COLO-compare needs two input chardevs and one output chardev:
primary_in=chardev1-id (source: primary send packet)
secondary_in=chardev2-id (source: secondary send packet)
outdev=chardev3-id
# attached to it.
#
# We also create an optical disk, mostly for installation
-# purposes: once the guest OS has been succesfully
+# purposes: once the guest OS has been successfully
# installed, the guest will no longer boot from optical
# media. If you don't want, or no longer want, to have an
# optical disk in the guest you can safely comment out
# attached to it.
#
# We also create an optical disk, mostly for installation
-# purposes: once the guest OS has been succesfully
+# purposes: once the guest OS has been successfully
# installed, the guest will no longer boot from optical
# media. If you don't want, or no longer want, to have an
# optical disk in the guest you can safely comment out
# it to that controller so that the guest can use it.
#
# We also create an optical disk, mostly for installation
-# purposes: once the guest OS has been succesfully
+# purposes: once the guest OS has been successfully
# installed, the guest will no longer boot from optical
# media. If you don't want, or no longer want, to have an
# optical disk in the guest you can safely comment out
# attached to it.
#
# We also create an optical disk, mostly for installation
-# purposes: once the guest OS has been succesfully
+# purposes: once the guest OS has been successfully
# installed, the guest will no longer boot from optical
# media. If you don't want, or no longer want, to have an
# optical disk in the guest you can safely comment out
# attached to it.
#
# We also create an optical disk, mostly for installation
-# purposes: once the guest OS has been succesfully
+# purposes: once the guest OS has been successfully
# installed, the guest will no longer boot from optical
# media. If you don't want, or no longer want, to have an
# optical disk in the guest you can safely comment out
- tcp migration: do the migration using tcp sockets
- unix migration: do the migration using unix sockets
- exec migration: do the migration using the stdin/stdout through a process.
-- fd migration: do the migration using an file descriptor that is
+- fd migration: do the migration using a file descriptor that is
passed to QEMU. QEMU doesn't care how this file descriptor is opened.
In addition, support is included for migration using RDMA, which
x86 cmpxchg instruction.
The second type offer a pair of load/store instructions which offer a
-guarantee that an region of memory has not been touched between the
+guarantee that a region of memory has not been touched between the
load and store instructions. An example of this is ARM's ldrex/strex
pair where the strex instruction will return a flag indicating a
successful store only if no other CPU has accessed the memory region
It contains pointers to the second level structures which are called refcount
blocks and are exactly one cluster in size.
-Given a offset into the image file, the refcount of its cluster can be obtained
-as follows:
+Given an offset into the image file, the refcount of its cluster can be
+obtained as follows:
refcount_block_entries = (cluster_size * 8 / refcount_bits)
clusters, however it must be contiguous in the image file. L2 tables are
exactly one cluster in size.
-Given a offset into the virtual disk, the offset into the image file can be
+Given an offset into the virtual disk, the offset into the image file can be
obtained as follows:
l2_entries = (cluster_size / sizeof(uint64_t))
IOVA: a 64-bit I/O virtual address programmed by the guest
Size: a 64-bit size
User address: a 64-bit user address
- Permissions: a 8-bit value:
+ Permissions: an 8-bit value:
- 0: No access
- 1: Read access
- 2: Write access
- 3: Read/Write access
- Type: a 8-bit IOTLB message type:
+ Type: an 8-bit IOTLB message type:
- 1: IOTLB miss
- 2: IOTLB update
- 3: IOTLB invalidate
hotpluggable memory slots. This might seem counterintuitive at first,
but this allows for a lot of flexibility when using the file backend.
-In the following command-line example, a 8GB guest is created where 6GB
+In the following command-line example, an 8GB guest is created where 6GB
comes from regular RAM, 1GB is a 1GB hugepage page and 256MB is from
2MB pages. Also, the guest has additional memory slots to hotplug more
2GB if needed:
For vnc some additional configuration on the command line is needed.
We'll create two vnc server instances, and bind the second one to the
-second seat, simliar to input devices:
+second seat, similar to input devices:
-display vnc=:1,id=primary \
-display vnc=:2,id=secondary,display=video.2
@example
qemu-img create -b sheepdog:///@var{base}#@var{tag} sheepdog:///@var{image}
@end example
-where @var{base} is a image name of the source snapshot and @var{tag}
+where @var{base} is an image name of the source snapshot and @var{tag}
is its tag name.
You can use an unix socket instead of an inet socket:
; qemupciserial.inf for QEMU, based on MSPORTS.INF
; The driver itself is shipped with Windows (serial.sys). This is
-; just a inf file to tell windows which pci id the serial pci card
+; just an inf file to tell windows which pci id the serial pci card
; emulated by qemu has, and to apply a name tag to it which windows
; will show in the device manager.
Memory:
QEMU uses BIOS Linker/loader feature to ask BIOS to allocate a memory
- page and dynamically patch its into a int32 object named "MEMA" in ACPI.
+ page and dynamically patch its address into an int32 object named "MEMA"
+ in ACPI.
This page is RAM-based and it is used to transfer data between _DSM
method and QEMU. If ACPI has control, this pages is owned by ACPI which
running in the guest and QEMU.
All those hypercalls start at hcall number 0xf000 which correspond
-to a implementation specific range in PAPR.
+to an implementation specific range in PAPR.
- H_RTAS (0xf000)
--ctrl type=unixio,path=/tmp/mytpm1/swtpm-sock \
--log level=20 --tpm2
-In the 2nd terminal restore the state of the VM using the additonal
+In the 2nd terminal restore the state of the VM using the additional
'-incoming' option.
qemu-system-x86_64 -display sdl -accel kvm \
You can use the standard -device switch to add a EHCI controller to
your virtual machine. It is strongly recommended to specify an ID for
-the controller so the USB 2.0 bus gets a individual name, for example
+the controller so the USB 2.0 bus gets an individual name, for example
'-device usb-ehci,id=ehci". This will give you a USB 2.0 bus named
"ehci.0".