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xen/tools/xl/xl_cmdtable.c
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Furkan Caliskan 31405d5bee tools: expose admission control toggle via xl sched-rtds 
Wire the per-cpupool admission-control switch through libxl
to xl sched-rtds, and document it.

Add -s/--schedparam to list or set pool-wide RTDS scheduler
parameters, and -a/--admission to enable or disable admission
control for a cpupool ("-c pool -s -a 0/1").

Signed-off-by: Furkan Caliskan <frn1furkan10@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Anthony PERARD <anthony.perard@vates.tech>
2026-10-12 17:20:27 +02:00

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/*
* Copyright 2009-2017 Citrix Ltd and other contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; version 2.1 only. with the special
* exception on linking described in file LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
#include <string.h>
#include <libxl.h>
#include <xen-tools/common-macros.h>
#include "xl.h"
const struct cmd_spec cmd_table[] = {
{ "create",
&main_create, 1, 1,
"Create a domain from config file <filename>",
"<ConfigFile> [options] [vars]",
"-c Connect to the console after the domain is created.\n"
"-d Enable debug messages.\n"
"-e Do not wait in the background for the death of the domain.\n"
"-F Run in foreground until death of the domain.\n"
"-f FILE, --defconfig=FILE\n Use the given configuration file.\n"
"-h Print this help.\n"
"-n, --dryrun Dry run - prints the resulting configuration\n"
" (deprecated in favour of global -N option).\n"
"-p Leave the domain paused after it is created.\n"
"-q, --quiet Quiet.\n"
"-V, --vncviewer Connect to the VNC display after the domain is created.\n"
"-A, --vncviewer-autopass\n"
" Pass VNC password to viewer via stdin.\n"
"--ignore-global-affinity-masks Ignore global masks in xl.conf."
},
{ "config-update",
&main_config_update, 1, 1,
"Update a running domain's saved configuration, used when rebuilding "
"the domain after reboot.\n"
"WARNING: xl now has better capability to manage domain configuration, "
"avoid using this command when possible",
"<Domain> <ConfigFile> [options] [vars]",
"-h Print this help.\n"
"-f FILE, --defconfig=FILE\n Use the given configuration file.\n"
"-d Enable debug messages.\n"
},
{ "list",
&main_list, 0, 0,
"List information about all/some domains",
"[options] [Domain]\n",
"-l, --long Output all VM details\n"
"-v, --verbose Prints out UUIDs and security context\n"
"-Z, --context Prints out security context\n"
"-c, --cpupool Prints the cpupool the domain is in\n"
"-n, --numa Prints out NUMA node affinity"
},
{ "destroy",
&main_destroy, 0, 1,
"Terminate a domain immediately",
"[options] <Domain>\n",
"-f Permit destroying domain 0, which will only succeed\n"
" when run from disaggregated toolstack domain with a\n"
" hardware domain distinct from domain 0."
},
{ "shutdown",
&main_shutdown, 0, 1,
"Issue a shutdown signal to a domain",
"[options] <-a|Domain>",
"-a, --all Shutdown all guest domains.\n"
"-h Print this help.\n"
"-F Fallback to ACPI power event for HVM guests with\n"
" no PV drivers.\n"
"-w, --wait Wait for guest(s) to shutdown.\n"
},
{ "reboot",
&main_reboot, 0, 1,
"Issue a reboot signal to a domain",
"[options] <-a|Domain>",
"-a, --all Shutdown all guest domains.\n"
"-h Print this help.\n"
"-F Fallback to ACPI reset event for HVM guests with\n"
" no PV drivers.\n"
"-w, --wait Wait for guest(s) to reboot.\n"
},
{ "pci-attach",
&main_pciattach, 0, 1,
"Insert a new pass-through pci device",
"<Domain> <PCI_SPEC_STRING>",
},
{ "pci-detach",
&main_pcidetach, 0, 1,
"Remove a domain's pass-through pci device",
"<Domain> <PCI_SPEC_STRING>",
},
{ "pci-list",
&main_pcilist, 0, 0,
"List pass-through pci devices for a domain",
"<Domain>",
},
{ "pci-assignable-add",
&main_pciassignable_add, 0, 1,
"Make a device assignable for pci-passthru",
"[options] <BDF>",
"-n NAME, --name=NAME Name the assignable device.\n"
"-h Print this help.\n"
},
{ "pci-assignable-remove",
&main_pciassignable_remove, 0, 1,
"Remove a device from being assignable",
"[options] <BDF>|NAME",
"-h Print this help.\n"
"-r Attempt to re-assign the device to the\n"
" original driver."
},
{ "pci-assignable-list",
&main_pciassignable_list, 0, 0,
"List all the assignable pci devices",
"[options]",
"-h Print this help.\n"
"-n, --show-names Display assignable device names where\n"
" supplied.\n"
},
{ "pause",
&main_pause, 0, 1,
"Pause execution of a domain",
"<Domain>",
},
{ "unpause",
&main_unpause, 0, 1,
"Unpause a paused domain",
"<Domain>",
},
{ "console",
&main_console, 0, 0,
"Attach to domain's console",
"[options] <Domain>\n"
"-t <type> console type, pv , serial or vuart\n"
"-n <number> console number\n"
"-e <escape> escape character"
},
{ "vncviewer",
&main_vncviewer, 0, 0,
"Attach to domain's VNC server.",
"[options] <Domain>\n"
"--autopass Pass VNC password to viewer via stdin and\n"
" -autopass\n"
"--vncviewer-autopass (consistency alias for --autopass)"
},
#ifndef LIBXL_HAVE_NO_SUSPEND_RESUME
{ "save",
&main_save, 0, 1,
"Save a domain state to restore later",
"[options] <Domain> <CheckpointFile> [<ConfigFile>]",
"-h Print this help.\n"
"-c Leave domain running after creating the snapshot.\n"
"-p Leave domain paused after creating the snapshot.\n"
"-D Store the domain id in the configuration."
},
{ "migrate",
&main_migrate, 0, 1,
"Migrate a domain to another host",
"[options] <Domain> <host>",
"-h Print this help.\n"
"-C <config> Send <config> instead of config file from creation.\n"
"-s <sshcommand> Use <sshcommand> instead of ssh. String will be passed\n"
" to sh. If empty, run <host> instead of ssh <host> xl\n"
" migrate-receive [-d -e]\n"
"-e Do not wait in the background (on <host>) for the death\n"
" of the domain.\n"
"--debug Print huge (!) amount of debug during the migration process.\n"
"-p Do not unpause domain after migrating it.\n"
"-D Preserve the domain id"
},
{ "restore",
&main_restore, 0, 1,
"Restore a domain from a saved state",
"[options] [<ConfigFile>] <CheckpointFile>",
"-h Print this help.\n"
"-p Do not unpause domain after restoring it.\n"
"-e Do not wait in the background for the death of the domain.\n"
"-d Enable debug messages.\n"
"-V, --vncviewer Connect to the VNC display after the domain is created.\n"
"-A, --vncviewer-autopass Pass VNC password to viewer via stdin."
},
{ "migrate-receive",
&main_migrate_receive, 0, 1,
"Restore a domain from a saved state",
"- for internal use only",
},
{ "suspend",
&main_suspend, 0, 1,
"Suspend a domain to RAM",
"<Domain>",
},
#endif /* !LIBXL_HAVE_NO_SUSPEND_RESUME */
{ "resume",
&main_resume, 0, 1,
"Resume a domain from RAM",
"<Domain>",
},
{ "dump-core",
&main_dump_core, 0, 1,
"Core dump a domain",
"<Domain> <filename>"
},
{ "cd-insert",
&main_cd_insert, 1, 1,
"Insert a cdrom into a guest's cd drive",
"<Domain> <VirtualDevice> <path>",
},
{ "cd-eject",
&main_cd_eject, 1, 1,
"Eject a cdrom from a guest's cd drive",
"<Domain> <VirtualDevice>",
},
{ "mem-max",
&main_memmax, 0, 1,
"Set the maximum amount reservation for a domain",
"<Domain> <MemMB['b'[bytes]|'k'[KB]|'m'[MB]|'g'[GB]|'t'[TB]]>",
},
{ "mem-set",
&main_memset, 0, 1,
"Set the current memory usage for a domain",
"<Domain> <MemMB['b'[bytes]|'k'[KB]|'m'[MB]|'g'[GB]|'t'[TB]]>",
},
{ "button-press",
&main_button_press, 0, 1,
"Indicate an ACPI button press to the domain",
"<Domain> <Button>",
"<Button> may be 'power' or 'sleep'."
},
{ "vcpu-list",
&main_vcpulist, 0, 0,
"List the VCPUs for all/some domains",
"[Domain, ...]",
},
{ "vcpu-pin",
&main_vcpupin, 1, 1,
"Set which CPUs a VCPU can use",
"[option] <Domain> <VCPU|all> <Hard affinity|-|all> <Soft affinity|-|all>",
"-f, --force undo an override pinning done by the kernel\n"
"--ignore-global-affinity-masks Ignore global masks in xl.conf",
},
{ "vcpu-set",
&main_vcpuset, 0, 1,
"Set the number of active VCPUs allowed for the domain",
"[option] <Domain> <vCPUs>",
"-i, --ignore-host Don't limit the vCPU based on the host CPU count",
},
{ "vm-list",
&main_vm_list, 0, 0,
"List guest domains, excluding dom0, stubdoms, etc.",
"",
},
{ "info",
&main_info, 0, 0,
"Get information about Xen host",
"-n, --numa List host NUMA topology information",
},
{ "sharing",
&main_sharing, 0, 0,
"Get information about page sharing",
"[Domain]",
},
{ "sched-credit",
&main_sched_credit, 0, 1,
"Get/set credit scheduler parameters",
"[-d <Domain> [-w[=WEIGHT]|-c[=CAP]]] [-s [-t TSLICE] [-r RATELIMIT]] [-p CPUPOOL]",
"-d DOMAIN, --domain=DOMAIN Domain to modify\n"
"-w WEIGHT, --weight=WEIGHT Weight (int)\n"
"-c CAP, --cap=CAP Cap (int)\n"
"-s --schedparam Query / modify scheduler parameters\n"
"-t TSLICE, --tslice_ms=TSLICE Set the timeslice, in milliseconds\n"
"-r RLIMIT, --ratelimit_us=RLIMIT Set the scheduling rate limit, in microseconds\n"
"-m DLY, --migration_delay_us=DLY Set the migration delay, in microseconds\n"
"-p CPUPOOL, --cpupool=CPUPOOL Restrict output to CPUPOOL"
},
{ "sched-credit2",
&main_sched_credit2, 0, 1,
"Get/set credit2 scheduler parameters",
"[-d <Domain> [-w[=WEIGHT]]] [-p CPUPOOL]",
"-d DOMAIN, --domain=DOMAIN Domain to modify\n"
"-w WEIGHT, --weight=WEIGHT Weight (int)\n"
"-c CAP, --cap=CAP Cap (int)\n"
"-s --schedparam Query / modify scheduler parameters\n"
"-r RLIMIT, --ratelimit_us=RLIMIT Set the scheduling rate limit, in microseconds\n"
"-p CPUPOOL, --cpupool=CPUPOOL Restrict output to CPUPOOL"
},
{ "sched-rtds",
&main_sched_rtds, 0, 1,
"Get/set rtds scheduler parameters",
"[-d <Domain> [-v[=VCPUID/all]] [-p[=PERIOD]] [-b[=BUDGET]] [-e[=Extratime]]]\n"
" [-c <Cpupool> -s [-a[=ADMISSION_CONTROL]]]",
"-d DOMAIN, --domain=DOMAIN Domain to modify\n"
"-v VCPUID/all, --vcpuid=VCPUID/all VCPU to modify or output;\n"
" Using '-v all' to modify/output all vcpus\n"
"-p PERIOD, --period=PERIOD Period (us)\n"
"-b BUDGET, --budget=BUDGET Budget (us)\n"
"-e Extratime, --extratime=Extratime Extratime (1=yes, 0=no)\n"
"-c CPUPOOL, --cpupool=CPUPOOL Restrict output to domains in CPUPOOL\n"
"-s, --schedparam List or set pool-wide scheduler parameters\n"
"-a ADMISSION_CONTROL, --admission=ADMISSION_CONTROL\n"
" Enable or disable admission control for the cpupool\n"
" (1=enabled, 0=disabled); requires -s\n"
},
{ "domid",
&main_domid, 0, 0,
"Convert a domain name to domain id",
"<DomainName>",
},
{ "domname",
&main_domname, 0, 0,
"Convert a domain id to domain name",
"<DomainId>",
},
{ "rename",
&main_rename, 0, 1,
"Rename a domain",
"<Domain> <NewDomainName>",
},
{ "trigger",
&main_trigger, 0, 1,
"Send a trigger to a domain",
"<Domain> <nmi|reset|init|power|sleep|s3resume> [<VCPU>]",
},
{ "sysrq",
&main_sysrq, 0, 1,
"Send a sysrq to a domain",
"<Domain> <letter>",
},
{ "debug-keys",
&main_debug_keys, 0, 1,
"Send debug keys to Xen",
"<Keys>",
},
{ "set-parameters",
&main_set_parameters, 0, 1,
"Set hypervisor parameters",
"<Params>",
},
{ "dmesg",
&main_dmesg, 0, 0,
"Read and/or clear dmesg buffer",
"[-c]",
" -c Clear dmesg buffer as well as printing it",
},
{ "top",
&main_top, 0, 0,
"Monitor a host and the domains in real time",
"",
},
{ "network-attach",
&main_networkattach, 1, 1,
"Create a new virtual network device",
"<Domain> [type=<type>] [mac=<mac>] [bridge=<bridge>] "
"[ip=<ip>] [script=<script>] [backend=<BackDomain>] [vifname=<name>] "
"[rate=<rate>] [model=<model>] [accel=<accel>] [mtu=<mtu>]",
},
{ "network-list",
&main_networklist, 0, 0,
"List virtual network interfaces for a domain",
"<Domain(s)>",
},
{ "network-detach",
&main_networkdetach, 0, 1,
"Destroy a domain's virtual network device",
"<Domain> <DevId|mac>",
},
{ "channel-list",
&main_channellist, 0, 0,
"List virtual channel devices for a domain",
"<Domain(s)>",
},
{ "block-attach",
&main_blockattach, 1, 1,
"Create a new virtual block device",
"<Domain> <disk-spec-component(s)>...",
},
{ "block-list",
&main_blocklist, 0, 0,
"List virtual block devices for a domain",
"<Domain(s)>",
},
{ "block-detach",
&main_blockdetach, 0, 1,
"Destroy a domain's virtual block device",
"[option] <Domain> <DevId>",
"-f, --force do not wait for the domain to release the device"
},
{ "vtpm-attach",
&main_vtpmattach, 1, 1,
"Create a new virtual TPM device",
"<Domain> [uuid=<uuid>] [backend=<BackDomain>]",
},
{ "vtpm-list",
&main_vtpmlist, 0, 0,
"List virtual TPM devices for a domain",
"<Domain(s)>",
},
{ "vtpm-detach",
&main_vtpmdetach, 0, 1,
"Destroy a domain's virtual TPM device",
"<Domain> <DevId|uuid>",
},
{ "vkb-attach",
&main_vkbattach, 1, 1,
"Create a new virtual keyboard device",
"<Domain> <vkb-spec-component(s)>...",
},
{ "vkb-list",
&main_vkblist, 0, 0,
"List virtual keyboard devices for a domain",
"<Domain(s)>",
},
{ "vkb-detach",
&main_vkbdetach, 0, 1,
"Destroy a domain's virtual keyboard device",
"<Domain> <DevId>",
},
{ "vdispl-attach",
&main_vdisplattach, 1, 1,
"Create a new virtual display device",
"<Domain> [backend=<BackDomain>] [be-alloc=<BackAlloc>] [connectors='<Connectors>']",
" BackAlloc - set to 1 to if backend allocates display buffers\n"
" Connectors - list of connector's description in ID:WxH format,\n"
" where: ID - unique connector ID, W - connector width,\n"
" H - connector height: connectors='id0:800x600;id1:1024x768'\n"
},
{ "vdispl-list",
&main_vdispllist, 0, 0,
"List virtual display devices for a domain",
"<Domain(s)>",
},
{ "vdispl-detach",
&main_vdispldetach, 0, 1,
"Destroy a domain's virtual display device",
"<Domain> <DevId>",
},
{ "vsnd-attach",
&main_vsndattach, 1, 1,
"Create a new virtual sound device",
"<Domain> <vsnd-spec-component(s)>...",
},
{ "vsnd-list",
&main_vsndlist, 0, 0,
"List virtual sound devices for a domain",
"<Domain(s)>",
},
{ "vsnd-detach",
&main_vsnddetach, 0, 1,
"Destroy a domain's virtual sound device",
"<Domain> <DevId>",
},
{ "uptime",
&main_uptime, 0, 0,
"Print uptime for all/some domains",
"[-s] [Domain]",
},
{ "claims",
&main_claims, 0, 0,
"List outstanding claim information about all domains",
"",
"",
},
{ "cpupool-create",
&main_cpupoolcreate, 1, 1,
"Create a new CPU pool",
"[options] [<ConfigFile>] [Variable=value ...]",
"-h, --help Print this help.\n"
"-f FILE, --defconfig=FILE Use the given configuration file.\n"
"-n, --dryrun Dry run - prints the resulting configuration.\n"
" (deprecated in favour of global -N option).\n"
"\nSee the xlcpupool.cfg(5) manpage for more information.",
},
{ "cpupool-list",
&main_cpupoollist, 0, 0,
"List CPU pools on host",
"[-c|--cpus] [<CPU Pool>]",
"-c, --cpus Output list of CPUs used by a pool"
},
{ "cpupool-destroy",
&main_cpupooldestroy, 0, 1,
"Deactivates a CPU pool",
"<CPU Pool>",
},
{ "cpupool-rename",
&main_cpupoolrename, 0, 1,
"Renames a CPU pool",
"<CPU Pool> <new name>",
},
{ "cpupool-cpu-add",
&main_cpupoolcpuadd, 0, 1,
"Adds a CPU to a CPU pool",
"<CPU Pool> <CPU nr>|node:<node nr>",
},
{ "cpupool-cpu-remove",
&main_cpupoolcpuremove, 0, 1,
"Removes a CPU from a CPU pool",
"<CPU Pool> <CPU nr>|node:<node nr>",
},
{ "cpupool-migrate",
&main_cpupoolmigrate, 0, 1,
"Moves a domain into a CPU pool",
"<Domain> <CPU Pool>",
},
{ "cpupool-numa-split",
&main_cpupoolnumasplit, 0, 1,
"Splits up the machine into one CPU pool per NUMA node",
"",
},
{ "getenforce",
&main_getenforce, 0, 0,
"Returns the current enforcing mode of the Flask Xen security module",
"",
},
{ "setenforce",
&main_setenforce, 0, 1,
"Sets the current enforcing mode of the Flask Xen security module",
"<1|0|Enforcing|Permissive>",
},
{ "loadpolicy",
&main_loadpolicy, 0, 1,
"Loads a new policy into the Flask Xen security module",
"<policy file>",
},
#ifndef LIBXL_HAVE_NO_SUSPEND_RESUME
{ "remus",
&main_remus, 0, 1,
"Enable Remus HA for domain",
"[options] <Domain> [<host>]",
"-i MS Checkpoint domain memory every MS milliseconds (def. 200ms).\n"
"-u Disable memory checkpoint compression.\n"
"-s <sshcommand> Use <sshcommand> instead of ssh. String will be passed\n"
" to sh. If empty, run <host> instead of \n"
" ssh <host> xl migrate-receive -r [-e]\n"
"-e Do not wait in the background (on <host>) for the death\n"
" of the domain.\n"
"-N <netbufscript> Use netbufscript to setup network buffering instead of the\n"
" default script (" XEN_SCRIPT_DIR "/remus-netbuf-setup).\n"
"-F Enable unsafe configurations [-b|-n|-d flags]. Use this option\n"
" with caution as failover may not work as intended.\n"
"-b Replicate memory checkpoints to /dev/null (blackhole).\n"
" Works only in unsafe mode.\n"
"-n Disable network output buffering. Works only in unsafe mode.\n"
"-d Disable disk replication. Works only in unsafe mode.\n"
"-c Enable COLO HA. It is conflict with -i and -b, and memory\n"
" checkpoint must be disabled.\n"
"-p Use COLO userspace proxy."
},
#endif /* !LIBXL_HAVE_NO_SUSPEND_RESUME */
{ "devd",
&main_devd, 0, 1,
"Daemon that listens for devices and launches backends",
"[options]",
"-F Run in the foreground.\n"
"-p, --pidfile [FILE] Write PID to pidfile when daemonizing.",
},
#if defined(__i386__) || defined(__x86_64__)
{ "psr-hwinfo",
&main_psr_hwinfo, 0, 1,
"Show hardware information for Platform Shared Resource",
"[options]",
"-m, --cmt Show Cache Monitoring Technology (CMT) hardware info\n"
"-a, --cat Show Cache Allocation Technology (CAT) hardware info\n"
"-b, --mba Show Memory Bandwidth Allocation (MBA) hardware info\n"
},
{ "psr-cmt-attach",
&main_psr_cmt_attach, 0, 1,
"Attach Cache Monitoring Technology service to a domain",
"<Domain>",
},
{ "psr-cmt-detach",
&main_psr_cmt_detach, 0, 1,
"Detach Cache Monitoring Technology service from a domain",
"<Domain>",
},
{ "psr-cmt-show",
&main_psr_cmt_show, 0, 1,
"Show Cache Monitoring Technology information",
"<PSR-CMT-Type> <Domain>",
"Available monitor types:\n"
"\"cache-occupancy\": Show L3 cache occupancy(KB)\n"
"\"total-mem-bandwidth\": Show total memory bandwidth(KB/s)\n"
"\"local-mem-bandwidth\": Show local memory bandwidth(KB/s)\n",
},
{ "psr-cat-set",
&main_psr_cat_cbm_set, 0, 1,
"Set cache capacity bitmasks(CBM) for a domain",
"[options] <Domain> <CBM>",
"-s <socket> Specify the socket to process, otherwise all sockets are processed\n"
"-l <level> Specify the cache level to process, otherwise L3 cache is processed\n"
"-c Set code CBM if CDP is supported\n"
"-d Set data CBM if CDP is supported\n"
},
{ "psr-cat-show",
&main_psr_cat_show, 0, 1,
"Show Cache Allocation Technology information",
"[options] <Domain>",
"-l <level> Specify the cache level to process, otherwise L3 cache is processed\n"
},
{ "psr-mba-set",
&main_psr_mba_set, 0, 1,
"Set throttling value (THRTL) for a domain",
"[options] <Domain> <THRTL>",
"-s <socket> Specify the socket to process, otherwise all sockets are processed\n"
},
{ "psr-mba-show",
&main_psr_mba_show, 0, 1,
"Show Memory Bandwidth Allocation information",
"<Domain>",
},
#endif
{ "usbctrl-attach",
&main_usbctrl_attach, 0, 1,
"Create a virtual USB controller for a domain",
"<Domain> [type=pv] [version=<version>] [ports=<number>]",
},
{ "usbctrl-detach",
&main_usbctrl_detach, 0, 1,
"Remove the virtual USB controller specified by <DevId> for a domain",
"<Domain> <DevId>",
},
{ "usbdev-attach",
&main_usbdev_attach, 0, 1,
"Attach a USB device to a domain",
"<Domain> hostbus=<busnum> hostaddr=<devnum> [controller=<DevId> [port=<port>]]",
},
{ "usbdev-detach",
&main_usbdev_detach, 0, 1,
"Detach a USB device from a domain",
"<Domain> <controller> <port>",
},
{ "usb-list",
&main_usblist, 0, 0,
"List information about all USB controllers and devices for a domain",
"<Domain>",
},
{ "qemu-monitor-command",
&main_qemu_monitor_command, 0, 1,
"Issue a qemu monitor command to the device model of a domain",
"<Domain> <Command>",
},
#ifdef LIBXL_HAVE_DT_OVERLAY
{ "dt-overlay",
&main_dt_overlay, 0, 1,
"Add/Remove a device tree overlay to Xen device tree, attach/detach the device to a domain",
"<operation=add|remove> <.dtbo> OR <operation=attach> <.dtbo> <Domain>",
"-h print this help\n"
},
#endif
{ "xenstore-quota-get",
&main_xsquota_get, 0, 0,
"List global or domain specific Xenstore quotas",
"<Domain>|-g",
},
{ "xenstore-quota-set",
&main_xsquota_set, 0, 1,
"Set global or domain specific Xenstore quotas",
"<Domain>|-g <quota>=<val>...",
},
};
const int cmdtable_len = ARRAY_SIZE(cmd_table);
/* Look up a command in the table, allowing unambiguous truncation */
const struct cmd_spec *cmdtable_lookup(const char *s)
{
const struct cmd_spec *cmd = NULL;
size_t len;
int i, count = 0;
if (!s)
return NULL;
len = strlen(s);
for (i = 0; i < cmdtable_len; i++) {
if (!strncmp(s, cmd_table[i].cmd_name, len)) {
cmd = &cmd_table[i];
/* Take an exact match, even if it also prefixes another command */
if (len == strlen(cmd->cmd_name))
return cmd;
count++;
}
}
return (count == 1) ? cmd : NULL;
}
/*
* Local variables:
* mode: C
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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