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-rw-r--r--include/hw/s390x/cpu-topology.h23
-rw-r--r--include/hw/s390x/sclp.h1
2 files changed, 24 insertions, 0 deletions
diff --git a/include/hw/s390x/cpu-topology.h b/include/hw/s390x/cpu-topology.h
index afef70a66d..85499fea3e 100644
--- a/include/hw/s390x/cpu-topology.h
+++ b/include/hw/s390x/cpu-topology.h
@@ -15,10 +15,33 @@
 #include "hw/boards.h"
 #include "qapi/qapi-types-machine-target.h"
 
+#define S390_TOPOLOGY_CPU_IFL   0x03
+
+typedef struct S390TopologyId {
+    uint8_t sentinel;
+    uint8_t drawer;
+    uint8_t book;
+    uint8_t socket;
+    uint8_t type;
+    uint8_t vertical:1;
+    uint8_t entitlement:2;
+    uint8_t dedicated;
+    uint8_t origin;
+} S390TopologyId;
+
+typedef struct S390TopologyEntry {
+    QTAILQ_ENTRY(S390TopologyEntry) next;
+    S390TopologyId id;
+    uint64_t mask;
+} S390TopologyEntry;
+
 typedef struct S390Topology {
     uint8_t *cores_per_socket;
+    CpuS390Polarization polarization;
 } S390Topology;
 
+typedef QTAILQ_HEAD(, S390TopologyEntry) S390TopologyList;
+
 #ifdef CONFIG_KVM
 bool s390_has_topology(void);
 void s390_topology_setup_cpu(MachineState *ms, S390CPU *cpu, Error **errp);
diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
index cf1f2efae2..c49051e17e 100644
--- a/include/hw/s390x/sclp.h
+++ b/include/hw/s390x/sclp.h
@@ -112,6 +112,7 @@ typedef struct CPUEntry {
 } QEMU_PACKED CPUEntry;
 
 #define SCLP_READ_SCP_INFO_FIXED_CPU_OFFSET     128
+#define SCLP_READ_SCP_INFO_MNEST                2
 typedef struct ReadInfo {
     SCCBHeader h;
     uint16_t rnmax;