OrgACRN
/
acrn-hypervisor
mirror of https://github.com/projectacrn/acrn-hypervisor.git
1
0
Fork 0
Code Issues Releases Wiki Activity

dm: vm_event: send poweroff event on pm port write 

When the virtual PM port is written, we can infer that guest has just
initiated a poweroff action. So we send a poweroff event upon this port
write. The DM event handler will try to emit it (to Libvirt).
Developers can write app/script to decide what to do with this event.

Tracked-On: #8547
Signed-off-by: Wu Zhou <wu.zhou@intel.com>
Reviewed-by: Jian Jun Chen <jian.jun.chen@intel.com>
This commit is contained in:
Wu Zhou 2023-08-03 20:15:48 -07:00 committed by acrnsi-robot
parent ab63fe1a92
commit 7eb44dbcd3
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
devicemodel/arch/x86/pm.c
View File

@ -42,6 +42,7 @@
#include "lpc.h"
#include "monitor.h"
#include "log.h"
#include "vm_event.h"
static pthread_mutex_t pm_lock = PTHREAD_MUTEX_INITIALIZER;
static struct mevent *power_button;
@ -242,6 +243,14 @@ power_button_handler(int signal, enum ev_type type, void *arg)
inject_power_button_event(arg);
}
static void
send_poweroff_event(void)
{
struct vm_event event;
event.type = VM_EVENT_POWEROFF;
dm_send_vm_event(&event);
}
static int
pm1_control_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
uint32_t *eax, void *arg)
@ -265,6 +274,7 @@ pm1_control_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
*/
if (*eax & VIRTUAL_PM1A_SLP_EN) {
if ((pm1_control & VIRTUAL_PM1A_SLP_TYP) >> 10 == 5) {
send_poweroff_event();
vm_suspend(ctx, VM_SUSPEND_POWEROFF);
}