[libvirt] [PATCH V4 3/5] virsh: add 'sysrq' command

All domainSendSysrq related API should be manageable from the virsh command line. So, expose 'virsh sysrq' command. Signed-off-by: Chunyan Liu <cyliu(a)suse.com&gt; --- Changes: * adjust code to follow general format and fix a memory leak tools/virsh-domain.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c index 750411b..43fa1d8 100644 --- a/tools/virsh-domain.c +++ b/tools/virsh-domain.c @@ -12289,6 +12289,57 @@ cmdDomFSInfo(vshControl *ctl, const vshCmd *cmd) return ret >= 0; } +/* + * "sysrq" command + */ +static const vshCmdInfo info_sysrq[] = { + {.name = "help", + .data = N_("Send SysRq key to the guest") + }, + {.name = "desc", + .data = N_("Send SysRq key to the guest") + }, + {.name = NULL} +}; + +static const vshCmdOptDef opts_sysrq[] = { + {.name = "domain", + .type = VSH_OT_DATA, + .flags = VSH_OFLAG_REQ, + .help = N_("domain name, id or uuid") + }, + {.name = "key", + .type = VSH_OT_DATA, + .flags = VSH_OFLAG_REQ, + .help = N_("the SysRq key") + }, + {.name = NULL} +}; + +static bool +cmdSysrq(vshControl *ctl, const vshCmd *cmd) +{ + virDomainPtr dom; + bool ret = false; + const char *key = NULL; + + if (!(dom = vshCommandOptDomain(ctl, cmd, NULL))) + return false; + + if (vshCommandOptStringReq(ctl, cmd, "key", &key) < 0) + goto cleanup; + + if (virDomainSendSysrq(dom, key[0], 0) < 0) + goto cleanup; + + ret = true; + + cleanup: + virDomainFree(dom); + return ret; +} + + const vshCmdDef domManagementCmds[] = { {.name = "attach-device", .handler = cmdAttachDevice, @@ -12808,5 +12859,11 @@ const vshCmdDef domManagementCmds[] = { .info = info_vncdisplay, .flags = 0 }, + {.name = "sysrq", + .handler = cmdSysrq, + .opts = opts_sysrq, + .info = info_sysrq, + .flags = 0 + }, {.name = NULL} }; -- 1.8.4.5