1 /* 2 * virtio ccw machine definitions 3 * 4 * Copyright 2012, 2016 IBM Corp. 5 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 6 * 7 * This work is licensed under the terms of the GNU GPL, version 2 or (at 8 * your option) any later version. See the COPYING file in the top-level 9 * directory. 10 */ 11 #ifndef HW_S390X_S390_VIRTIO_CCW_H 12 #define HW_S390X_S390_VIRTIO_CCW_H 13 14 #include "hw/boards.h" 15 #include "qom/object.h" 16 #include "hw/s390x/sclp.h" 17 18 #define TYPE_S390_CCW_MACHINE "s390-ccw-machine" 19 20 OBJECT_DECLARE_TYPE(S390CcwMachineState, S390CcwMachineClass, S390_CCW_MACHINE) 21 22 23 struct S390CcwMachineState { 24 /*< private >*/ 25 MachineState parent_obj; 26 27 /*< public >*/ 28 bool aes_key_wrap; 29 bool dea_key_wrap; 30 bool pv; 31 uint8_t loadparm[8]; 32 uint64_t memory_limit; 33 34 SCLPDevice *sclp; 35 }; 36 37 static inline uint64_t s390_get_memory_limit(S390CcwMachineState *s390ms) 38 { 39 /* We expect to be called only after the limit was set. */ 40 assert(s390ms->memory_limit); 41 return s390ms->memory_limit; 42 } 43 44 #define S390_PTF_REASON_NONE (0x00 << 8) 45 #define S390_PTF_REASON_DONE (0x01 << 8) 46 #define S390_PTF_REASON_BUSY (0x02 << 8) 47 #define S390_TOPO_FC_MASK 0xffUL 48 void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra); 49 50 struct S390CcwMachineClass { 51 /*< private >*/ 52 MachineClass parent_class; 53 54 /*< public >*/ 55 bool ri_allowed; 56 bool cpu_model_allowed; 57 bool hpage_1m_allowed; 58 int max_threads; 59 }; 60 61 /* runtime-instrumentation allowed by the machine */ 62 bool ri_allowed(void); 63 /* cpu model allowed by the machine */ 64 bool cpu_model_allowed(void); 65 /* 1M huge page mappings allowed by the machine */ 66 bool hpage_1m_allowed(void); 67 68 #endif 69