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hv: add support for shutdown for pre-launched VMs

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Currently, ACRN only support shutdown when triple fault happens, because ACRN
doesn't present/emulate a virtual HW, i.e. port IO, to support shutdown. This
patch emulate a virtual shutdown component, and the vACPI method for guest OS
to use.

Pre-launched VM uses ACPI reduced HW mode, intercept the virtual sleep control/status
registers for pre-launched VMs shutdown

Tracked-On: #5411
Signed-off-by: dongshen <dongsheng.x.zhang@intel.com>
This commit is contained in:
dongshen
2020-10-22 16:06:16 -07:00
committed by wenlingz
parent 8f79ceefbd
commit ca5683f78d
3 changed files with 88 additions and 6 deletions
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hypervisor/include/public/acrn_common.h
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@@ -54,6 +54,7 @@
#define GUEST_FLAG_RT (1UL << 4U) /* Whether the vm is RT-VM */
/* TODO: We may need to get this addr from guest ACPI instead of hardcode here */
#define VIRTUAL_SLEEP_CTL_ADDR 0x400U /* Pre-launched VM uses ACPI reduced HW mode and sleep control register */
#define VIRTUAL_PM1A_CNT_ADDR 0x404U
#define VIRTUAL_PM1A_SCI_EN 0x0001
#define VIRTUAL_PM1A_SLP_TYP 0x1c00U