tools: acrnctl: Add support for suspending vm
Add command suspend to switch vm to suspend state. Signed-off-by: Kaige Fu <kaige.fu@intel.com> Reviewed-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com> Reviewed-by: Yan, Like <like.yan@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
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@ -29,6 +29,7 @@ You can see the available ``acrnctl`` commands by running:
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add
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pause
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continue
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suspend
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Use acrnctl [cmd] help for details
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Here are some usage examples:
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@ -240,3 +240,23 @@ int continue_vm(char *vmname)
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return ack.err;
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}
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int suspend_vm(char *vmname)
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{
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struct req_dm_suspend req;
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struct ack_dm_suspend ack;
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req.msg.magic = MNGR_MSG_MAGIC;
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req.msg.msgid = DM_SUSPEND;
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req.msg.timestamp = time(NULL);
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req.msg.len = sizeof(req);
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send_msg(vmname, (struct mngr_msg *)&req,
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(struct mngr_msg *)&ack, sizeof(ack));
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if (ack.err) {
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printf("Unable to suspend vm. errno(%d)\n", ack.err);
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}
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return ack.err;
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}
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@ -34,6 +34,7 @@
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#define ADD_DESC "Add one virtual machine with SCRIPTS and OPTIONS"
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#define PAUSE_DESC "Block all vCPUs of virtual machine VM_NAME"
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#define CONTINUE_DESC "Start virtual machine from pause state"
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#define SUSPEND_DESC "Switch virtual machine to suspend state"
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struct acrnctl_cmd {
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const char *cmd;
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@ -434,6 +435,32 @@ static int acrnctl_do_continue(int argc, char *argv[])
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return 0;
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}
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static int acrnctl_do_suspend(int argc, char *argv[])
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{
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struct vmmngr_struct *s;
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int i;
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for (i = 1; i < argc; i++) {
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s = vmmngr_find(argv[1]);
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if (!s) {
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printf("Can't find vm %s\n", argv[i]);
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continue;
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}
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/* Only send suspend cmd to acrn-dm now when VM_STARTED */
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switch (s->state) {
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case VM_STARTED:
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suspend_vm(argv[i]);
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break;
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default:
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printf("%s current state %s, can't suspend\n",
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argv[i], state_str[s->state]);
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}
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}
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return 0;
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}
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/* Default args validation function */
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int df_valid_args(struct acrnctl_cmd *cmd, int argc, char *argv[])
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{
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@ -489,6 +516,7 @@ struct acrnctl_cmd acmds[] = {
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ACMD("add", acrnctl_do_add, ADD_DESC, valid_add_args),
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ACMD("pause", acrnctl_do_pause, PAUSE_DESC, df_valid_args),
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ACMD("continue", acrnctl_do_continue, CONTINUE_DESC, df_valid_args),
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ACMD("suspend", acrnctl_do_suspend, SUSPEND_DESC, df_valid_args),
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};
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#define NCMD (sizeof(acmds)/sizeof(struct acrnctl_cmd))
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@ -61,5 +61,6 @@ int stop_vm(char *vmname);
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int start_vm(char *vmname);
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int pause_vm(char *vmname);
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int continue_vm(char *vmname);
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int suspend_vm(char *vmname);
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#endif /* _ACRNCTL_H_ */
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