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Date: Thu, 09 Feb 2012 11:51:45 +0100
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v3 2/6] suspend: switch acpi s3 to new
	infrastructure.
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To: Gleb Natapov <gleb@redhat.com>
Cc: xen-devel@lists.xensource.com, qemu-devel@nongnu.org

  Hi,

>>                 Pretend that resume was caused by power button */
>>              pm1a->sts |=
>>                  (ACPI_BITMASK_WAKE_STATUS | ACPI_BITMASK_POWER_BUTTON_STATUS);
> Here we should report real reason for a wakeup (if it can be reported in
> mp1sts that is).

These are available I guess?

/* PM1x_STS */
#define ACPI_BITMASK_TIMER_STATUS               0x0001
#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000  /* ACPI 3.0 */
#define ACPI_BITMASK_WAKE_STATUS                0x8000

What do they mean?  How would the rtc wakeup be tagged?  Set
ACPI_BITMASK_RT_CLOCK_STATUS?  Anything I can use for ps/2 kbd/mouse
wakeup?  What do you suggest to do when there is nothing usable (such as
qemu monitor command which simply doesn't exist on real hardware)?

thanks,
  Gerd