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dm: add S3 support for UOS

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We do:
 - pause target vm
 - suspend all virtual devices
 - wait for resume notification
 - resume all virtual devices
 - reset target vm

Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yin Fengwei
2018-05-21 16:49:57 +08:00
committed by lijinxia
parent 8ee4c0b1dd
commit a8a27d82d0
4 changed files with 71 additions and 2 deletions
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5
devicemodel/arch/x86/pm.c
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@@ -256,6 +256,11 @@ pm1_control_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
error = vm_suspend(ctx, VM_SUSPEND_POWEROFF);
assert(error == 0 || errno == EALREADY);
}
if ((pm1_control & PM1_SLP_TYP) >> 10 == 3) {
error = vm_suspend(ctx, VM_SUSPEND_SUSPEND);
assert(error == 0 || errno == EALREADY);
}
}
}
return 0;