" selects emulated machine (-machine ? for list)\n"
" property accel=accel1[:accel2[:...]] selects accelerator\n"
" supported accelerators are kvm, xen, tcg (default: tcg)\n"
- " kernel_irqchip=on|off controls accelerated irqchip support\n",
+ " kernel_irqchip=on|off controls accelerated irqchip support\n"
+ " kvm_shadow_mem=size of KVM shadow MMU\n",
QEMU_ARCH_ALL)
STEXI
@item -machine [type=]@var{name}[,prop=@var{value}[,...]]
to initialize.
@item kernel_irqchip=on|off
Enables in-kernel irqchip support for the chosen accelerator when available.
+@item kvm_shadow_mem=size
+Defines the size of the KVM shadow MMU.
@end table
ETEXI
ETEXI
DEF("global", HAS_ARG, QEMU_OPTION_global,
- "-global driver.property=value\n"
+ "-global driver.prop=value\n"
" set a global default for a driver property\n",
QEMU_ARCH_ALL)
STEXI
-@item -global
+@item -global @var{driver}.@var{prop}=@var{value}
@findex -global
-TODO
+Set default value of @var{driver}'s property @var{prop} to @var{value}, e.g.:
+
+@example
+qemu -global ide-drive.physical_block_size=4096 -drive file=file,if=ide,index=0,media=disk
+@end example
+
+In particular, you can use this to set driver properties for devices which are
+created automatically by the machine model. To create a device which is not
+created automatically and set properties on it, use -@option{device}.
ETEXI
DEF("mtdblock", HAS_ARG, QEMU_OPTION_mtdblock,
Optionally, for PCI cards, you can specify the number @var{v} of MSI-X vectors
that the card should have; this option currently only affects virtio cards; set
@var{v} = 0 to disable MSI-X. If no @option{-net} option is specified, a single
-NIC is created. Qemu can emulate several different models of network card.
+NIC is created. QEMU can emulate several different models of network card.
Valid values for @var{type} are
@code{virtio}, @code{i82551}, @code{i82557b}, @code{i82559er},
@code{ne2k_pci}, @code{ne2k_isa}, @code{pcnet}, @code{rtl8139},
Example (without authentication):
@example
-qemu -cdrom iscsi://192.0.2.1/iqn.2001-04.com.example/2 \
---drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1
+qemu -iscsi initiator-name=iqn.2001-04.com.example:my-initiator \
+-cdrom iscsi://192.0.2.1/iqn.2001-04.com.example/2 \
+-drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1
@end example
Example (CHAP username/password via URL):
@example
-qemu --drive file=iscsi://user%password@@192.0.2.1/iqn.2001-04.com.example/1
+qemu -drive file=iscsi://user%password@@192.0.2.1/iqn.2001-04.com.example/1
@end example
Example (CHAP username/password via environment variables):
@example
LIBISCSI_CHAP_USERNAME="user" \
LIBISCSI_CHAP_PASSWORD="password" \
-qemu --drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1
+qemu -drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1
@end example
iSCSI support is an optional feature of QEMU and only available when
compiled and linked against libiscsi.
+ETEXI
+DEF("iscsi", HAS_ARG, QEMU_OPTION_iscsi,
+ "-iscsi [user=user][,password=password]\n"
+ " [,header-digest=CRC32C|CR32C-NONE|NONE-CRC32C|NONE\n"
+ " [,initiator-name=iqn]\n"
+ " iSCSI session parameters\n", QEMU_ARCH_ALL)
+STEXI
@item NBD
QEMU supports NBD (Network Block Devices) both using TCP protocol as well
first module.
ETEXI
+DEF("dtb", HAS_ARG, QEMU_OPTION_dtb, \
+ "-dtb file use 'file' as device tree image\n", QEMU_ARCH_ALL)
+STEXI
+@item -dtb @var{file}
+@findex -dtb
+Use @var{file} as a device tree binary (dtb) image and pass it to the kernel
+on boot.
+ETEXI
+
STEXI
@end table
ETEXI
use the following options to step up a netcat redirector to allow
telnet on port 5555 to access the qemu port.
@table @code
-@item Qemu Options:
+@item QEMU Options:
-serial udp::4555@@:4556
@item netcat options:
-u -P 4555 -L 0.0.0.0:4556 -t -p 5555 -I -T
DEF("startdate", HAS_ARG, QEMU_OPTION_startdate, "", QEMU_ARCH_ALL)
DEF("rtc", HAS_ARG, QEMU_OPTION_rtc, \
- "-rtc [base=utc|localtime|date][,clock=host|vm][,driftfix=none|slew]\n" \
+ "-rtc [base=utc|localtime|date][,clock=host|rt|vm][,driftfix=none|slew]\n" \
" set the RTC base and clock, enable drift fix for clock ticks (x86 only)\n",
QEMU_ARCH_ALL)
By default the RTC is driven by the host system time. This allows to use the
RTC as accurate reference clock inside the guest, specifically if the host
time is smoothly following an accurate external reference clock, e.g. via NTP.
-If you want to isolate the guest time from the host, even prevent it from
-progressing during suspension, you can set @option{clock} to @code{vm} instead.
+If you want to isolate the guest time from the host, you can set @option{clock}
+to @code{rt} instead. To even prevent it from progressing during suspension,
+you can set it to @code{vm}.
Enable @option{driftfix} (i386 targets only) if you experience time drift problems,
specifically with Windows' ACPI HAL. This option will try to figure out how
@end table
ETEXI
+DEF("qtest", HAS_ARG, QEMU_OPTION_qtest,
+ "-qtest CHR specify tracing options\n",
+ QEMU_ARCH_ALL)
+
+DEF("qtest-log", HAS_ARG, QEMU_OPTION_qtest_log,
+ "-qtest-log LOG specify tracing options\n",
+ QEMU_ARCH_ALL)
+
HXCOMM This is the last statement. Insert new options before this line!
STEXI
@end table
projects / qemu.git / blobdiff