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-rw-r--r--include/hw/i386/ich9.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h
index 5fd7e97d23..da11187271 100644
--- a/include/hw/i386/ich9.h
+++ b/include/hw/i386/ich9.h
@@ -64,6 +64,16 @@ typedef struct ICH9LPCState {
     uint8_t rst_cnt;
     MemoryRegion rst_cnt_mem;
 
+    /* SMI feature negotiation via fw_cfg */
+    uint64_t smi_host_features;       /* guest-invisible, host endian */
+    uint8_t smi_host_features_le[8];  /* guest-visible, read-only, little
+                                       * endian uint64_t */
+    uint8_t smi_guest_features_le[8]; /* guest-visible, read-write, little
+                                       * endian uint64_t */
+    uint8_t smi_features_ok;          /* guest-visible, read-only; selecting it
+                                       * triggers feature lockdown */
+    uint64_t smi_negotiated_features; /* guest-invisible, host endian */
+
     /* isa bus */
     ISABus *isa_bus;
     MemoryRegion rcrb_mem; /* root complex register block */