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authorIsaku Yamahata <isaku.yamahata@intel.com>2021-02-17 21:51:11 -0800
committerMichael S. Tsirkin <mst@redhat.com>2021-02-23 10:58:42 -0500
commit24cd04fce06b0d54e5ca2c12f20f714894a78b95 (patch)
tree33b7a4e469e08c03948deb97fd1d7dd494875512 /include
parent7995d9a399ecb7f509e2862b96bc2dcb249a8d44 (diff)
downloadfocaccia-qemu-24cd04fce06b0d54e5ca2c12f20f714894a78b95.tar.gz
focaccia-qemu-24cd04fce06b0d54e5ca2c12f20f714894a78b95.zip
ich9, piix4: add property, smm-compat, to keep compatibility of SMM
The following patch will introduce incompatible behavior of SMM.
Introduce a property to keep the old behavior for compatibility.
To enable smm compat, use "-global ICH9-LPC.smm-compat=on" or
"-global PIIX4_PM.smm-compat=on"

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <47254ae0b8c6cc6945422978b6b2af2d213ef891.1613615732.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/hw/acpi/ich9.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h
index 54571c77e0..df519e40b5 100644
--- a/include/hw/acpi/ich9.h
+++ b/include/hw/acpi/ich9.h
@@ -59,6 +59,7 @@ typedef struct ICH9LPCPMRegs {
     uint8_t disable_s4;
     uint8_t s4_val;
     uint8_t smm_enabled;
+    bool smm_compat;
     bool enable_tco;
     TCOIORegs tco_regs;
 } ICH9LPCPMRegs;