3 files changed, 17 insertions, 5 deletions
diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h
index 1da63e361d..c96c862057 100644
--- a/include/hw/s390x/css.h
+++ b/include/hw/s390x/css.h
@@ -20,7 +20,7 @@
 #define MAX_DEVNO 65535
 #define MAX_SCHID 65535
 #define MAX_SSID 3
-#define MAX_CSSID 254 /* 255 is reserved */
+#define MAX_CSSID 255
 #define MAX_CHPID 255
 
 #define MAX_CIWS 62
diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index a0c1fc8083..6ecae00386 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -36,9 +36,12 @@ typedef struct S390CcwMachineClass {
 
     /*< public >*/
     bool ri_allowed;
+    bool cpu_model_allowed;
 } S390CcwMachineClass;
 
 /* runtime-instrumentation allowed by the machine */
 bool ri_allowed(void);
+/* cpu model allowed by the machine */
+bool cpu_model_allowed(void);
 
 #endif
diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
index ba28d1dd0e..3008a5148a 100644
--- a/include/hw/s390x/sclp.h
+++ b/include/hw/s390x/sclp.h
@@ -98,11 +98,14 @@ typedef struct SCCBHeader {
 } QEMU_PACKED SCCBHeader;
 
 #define SCCB_DATA_LEN (SCCB_SIZE - sizeof(SCCBHeader))
+#define SCCB_CPU_FEATURE_LEN 6
 
 /* CPU information */
 typedef struct CPUEntry {
     uint8_t address;
-    uint8_t reserved0[13];
+    uint8_t reserved0;
+    uint8_t features[SCCB_CPU_FEATURE_LEN];
+    uint8_t reserved2[6];
     uint8_t type;
     uint8_t reserved1;
 } QEMU_PACKED CPUEntry;
@@ -118,12 +121,18 @@ typedef struct ReadInfo {
     uint8_t  loadparm[8];               /* 24-31 */
     uint8_t  _reserved3[48 - 32];       /* 32-47 */
     uint64_t facilities;                /* 48-55 */
-    uint8_t  _reserved0[100 - 56];
+    uint8_t  _reserved0[76 - 56];       /* 56-75 */
+    uint32_t ibc_val;
+    uint8_t  conf_char[96 - 80];        /* 80-95 */
+    uint8_t  _reserved4[99 - 96];       /* 96-98 */
+    uint8_t mha_pow;
     uint32_t rnsize2;
     uint64_t rnmax2;
-    uint8_t  _reserved4[120-112];       /* 112-119 */
+    uint8_t  _reserved6[116 - 112];     /* 112-115 */
+    uint8_t  conf_char_ext[120 - 116];   /* 116-119 */
     uint16_t highest_cpu;
-    uint8_t  _reserved5[128 - 122];     /* 122-127 */
+    uint8_t  _reserved5[124 - 122];     /* 122-123 */
+    uint32_t hmfai;
     struct CPUEntry entries[0];
 } QEMU_PACKED ReadInfo;