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dm: add allow_trigger_s5 mode to pm_notify_channel uart

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A user can use "--pm_notify_channel uart,allow_trigger_s5" to indicate
the User VM is allowed to trigger system S5.

"--pm_notify_channel uart" means a vuart channel will be created in the
User VM to allow communication with the VM's life_mngr. The Service VM
can then initiate S5 in the guest via its dm's monitor interface. The
additional option, "allow_trigger_s5", will create a socket connection
with the Service VM's life_mngr, allowing this VM to initiate system S5.

v1 -> v2:
- rename pm_notify_channel type to PWR_EVENT_NOTIFY_UART_TRIG_PLAT_S5

Tracked-On: #6034
Signed-off-by: Peter Fang <peter.fang@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Peter Fang
2021-05-07 00:47:35 -07:00
committed by wenlingz
parent 2ab70f43e5
commit 66b92f3f4e
4 changed files with 36 additions and 20 deletions
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7
devicemodel/include/pm.h
View File

@@ -5,9 +5,10 @@
#ifndef _DM_INCLUDE_PM_
#define _DM_INCLUDE_PM_
#define PWR_EVENT_NOTIFY_IOC 0x1
#define PWR_EVENT_NOTIFY_PWR_BT 0x2
#define PWR_EVENT_NOTIFY_UART 0x3
#define PWR_EVENT_NOTIFY_IOC 0x1
#define PWR_EVENT_NOTIFY_PWR_BT 0x2
#define PWR_EVENT_NOTIFY_UART 0x3
#define PWR_EVENT_NOTIFY_UART_TRIG_PLAT_S5 0x4
int wait_for_resume(struct vmctx *ctx);
int vm_resume(struct vmctx *ctx);

2
devicemodel/include/pm_vuart.h
View File

@@ -12,7 +12,7 @@
#define __PM_VUART__
int parse_pm_by_vuart(const char *opts);
int pm_by_vuart_init(struct vmctx *ctx);
int pm_by_vuart_init(struct vmctx *ctx, bool trigger_s5);
void pm_by_vuart_deinit(struct vmctx *ctx);
#endif