as soon as it determines the absence.
COLO disk Manager:
-When primary VM writes data into image, the colo disk manger captures this data
+When primary VM writes data into image, the colo disk manager captures this data
and sends it to secondary VM's which makes sure the context of secondary VM's
image is consistent with the context of primary VM 's image.
For more details, please refer to docs/block-replication.txt.
== Test procedure ==
Note: Here we are running both instances on the same host for testing,
-change the IP Addresses if you want to run it on two hosts. Initally
+change the IP Addresses if you want to run it on two hosts. Initially
127.0.0.1 is the Primary Host and 127.0.0.2 is the Secondary Host.
== Startup qemu ==
1. Primary:
-Note: Initally, $imagefolder/primary.qcow2 needs to be copied to all hosts.
+Note: Initially, $imagefolder/primary.qcow2 needs to be copied to all hosts.
You don't need to change any IP's here, because 0.0.0.0 listens on any
interface. The chardev's with 127.0.0.1 IP's loopback to the local qemu
instance.
errno - the numeric errno value to return when a request matches this rule.
The errno values depend on the host since the numeric values are not
- standarized in the POSIX specification.
+ standardized in the POSIX specification.
sector - (optional) a sector number that the request must overlap in order to
match this rule
time later on. Issuing it after the end of a migration is harmless.
Blocktime is a postcopy live migration metric, intended to show how
-long the vCPU was in state of interruptable sleep due to pagefault.
+long the vCPU was in state of interruptible sleep due to pagefault.
That metric is calculated both for all vCPUs as overlapped value, and
separately for each vCPU. These values are calculated on destination
side. To enable postcopy blocktime calculation, enter following
A few important files for suppressing warnings are:
tests/tsan/suppressions.tsan - Has TSan warnings we wish to suppress at runtime.
-The comment on each supression will typically indicate why we are
+The comment on each suppression will typically indicate why we are
suppressing it. More information on the file format can be found here:
https://github.com/google/sanitizers/wiki/ThreadSanitizerSuppressions
#include "trace.h"
To access the 'io/trace.h' file. While it is possible to include a trace.h
-file from outside a source files' own sub-directory, this is discouraged in
+file from outside a source file's own sub-directory, this is discouraged in
general. It is strongly preferred that all events be declared directly in
the sub-directory that uses them. The only exception is where there are some
shared trace events defined in the top level directory trace-events file.
only make sense when paired directly with other commands. When a VM is paused,
it's easy to ensure that no guest writes occur between individual QMP
commands. When a VM is running, this is difficult to accomplish with
-individual QMP commands that may allow guest writes to occur inbetween each
+individual QMP commands that may allow guest writes to occur between each
command.
For example, using only individual QMP commands, we could:
- Everything the same UID
- Convenient for developers
- - Improved reliability - crash of one part doens't take
+ - Improved reliability - crash of one part doesn't take
out entire VM
- No security benefit over traditional QEMU, unless additional
unless additional controls such as SELinux or AppArmor are
</policy>
-dbus-daemon can also perfom SELinux checks based on the security
+dbus-daemon can also perform SELinux checks based on the security
context of the source and the target. For example, ``virtiofs_t``
could be allowed to send a message to ``svirt_t``, but ``virtiofs_t``
wouldn't be allowed to send a message to ``virtiofs_t``.
* 2.12: NBD_CMD_BLOCK_STATUS for "base:allocation"
* 3.0: NBD_OPT_STARTTLS with TLS Pre-Shared Keys (PSK),
NBD_CMD_BLOCK_STATUS for "qemu:dirty-bitmap:", NBD_CMD_CACHE
-* 4.2: NBD_FLAG_CAN_MULTI_CONN for sharable read-only exports,
+* 4.2: NBD_FLAG_CAN_MULTI_CONN for shareable read-only exports,
NBD_CMD_FLAG_FAST_ZERO
:scanout-id: ``u32``, the scanout where the cursor is located
-:x/y: ``u32``, the cursor postion
+:x/y: ``u32``, the cursor position
VhostUserGpuCursorUpdate
^^^^^^^^^^^^^^^^^^^^^^^^
(3), the I/O virtual address and the size. On success, the slave is
expected to reply with a zero payload, non-zero otherwise.
-The slave relies on the slave communcation channel (see :ref:`Slave
+The slave relies on the slave communication channel (see :ref:`Slave
communication <slave_communication>` section below) to send IOTLB miss
and access failure events, by sending ``VHOST_USER_SLAVE_IOTLB_MSG``
requests to the master with a ``struct vhost_iotlb_msg`` as
need to be configured manually depending on the use case. However, it
is a good idea to follow the conventions listed here when
possible. Users, QEMU or libvirt, can then rely on some common
-behaviour to avoid heterogenous configuration and management of the
+behaviour to avoid heterogeneous configuration and management of the
backend programs and facilitate interoperability.
Each backend installed on a host system should come with at least one
of the connection (described below).
All of the remaining command types (not including 'ready')
-described above all use the aformentioned two functions to do the hard work:
+described above all use the aforementioned two functions to do the hard work:
1. After connection setup, RAMBlock information is exchanged using
this protocol before the actual migration begins. This information includes
This property describes the dynamically reconfigurable memory. It is a
property encoded array that has an integer N, the number of LMBs followed
-by N LMB list entires.
+by N LMB list entries.
Each LMB list entry consists of the following elements:
ibm,dynamic-memory-v2
This property describes the dynamically reconfigurable memory. This is
-an alternate and newer way to describe dyanamically reconfigurable memory.
+an alternate and newer way to describe dynamically reconfigurable memory.
It is a property encoded array that has an integer N (the number of
LMB set entries) followed by N LMB set entries. There is an LMB set entry
for each sequential group of LMBs that share common attributes.
supported and if the guest OS supports XIVE, this mode will be
selected.
-The choosen interrupt mode is activated after a reconfiguration done
+The chosen interrupt mode is activated after a reconfiguration done
in a machine reset.
KVM negotiation
---------------------------
The properties for the PAPR interrupt controller node when the *XIVE
-native exploitation mode* is selected shoud contain:
+native exploitation mode* is selected should contain:
- ``device_type``
------------
The Aspeed machines can be started using the -kernel option to load a
-Linux kernel or from a firmare image which can be downloaded from the
+Linux kernel or from a firmware image which can be downloaded from the
OpenPOWER jenkins :
https://openpower.xyz/
When not using the deprecated legacy audio config, each sound card
should specify an ``audiodev=`` property. Additionally, when using
-vnc, you should specify an ``audiodev=`` propery if you plan to
+vnc, you should specify an ``audiodev=`` property if you plan to
transmit audio through the VNC protocol.
Creating sound card devices using ``-soundhw`` (since 5.1)
parameter described above with the difference that the role of the user plays
QEMU using implicit generic or board specific splitting rule.
Use ``memdev`` with *memory-backend-ram* backend or ``mem`` (if
-it's supported by used machine type) to define mapping explictly instead.
+it's supported by used machine type) to define mapping explicitly instead.
``-mem-path`` fallback to RAM (since 4.1)
'''''''''''''''''''''''''''''''''''''''''
Guest Emulator ISAs
-------------------
-RISC-V ISA privledge specification version 1.09.1 (removed in 5.1)
+RISC-V ISA privilege specification version 1.09.1 (removed in 5.1)
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
-The RISC-V ISA privledge specification version 1.09.1 has been removed.
+The RISC-V ISA privilege specification version 1.09.1 has been removed.
QEMU supports both the newer version 1.10.0 and the ratified version 1.11.0, these
should be used instead of the 1.09.1 version.
As for now it supports few Arduino boards for educational and testing purposes.
These boards use a ATmega controller, which model is limited to USART & 16-bit
-timer devices, enought to run FreeRTOS based applications (like
+timer devices, enough to run FreeRTOS based applications (like
https://github.com/seharris/qemu-avr-tests/blob/master/free-rtos/Demo/AVR_ATMega2560_GCC/demo.elf
).
telnet localhost 5678
-- Debugging wit GDB debugger::
+- Debugging with GDB debugger::
qemu-system-avr -machine mega2560 -bios demo.elf -s -S
I/O timeout in seconds. The default depends on cache= option.
* writeback|no_writeback -
- Enable/disable writeback cache. The cache alows the FUSE client to buffer
+ Enable/disable writeback cache. The cache allows the FUSE client to buffer
and merge write requests. The default is ``no_writeback``.
* xattr|no_xattr -
projects / qemu.git / commitdiff