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 17 #define TYPE_S390_CCW_MACHINE "s390-ccw-machine" 18 19 OBJECT_DECLARE_TYPE(S390CcwMachineState, S390CcwMachineClass, S390_CCW_MACHINE) 20 21 22 struct S390CcwMachineState { 23 /*< private >*/ 24 MachineState parent_obj; 25 26 /*< public >*/ 27 bool aes_key_wrap; 28 bool dea_key_wrap; 29 bool pv; 30 uint8_t loadparm[8]; 31 }; 32 33 #define S390_PTF_REASON_NONE (0x00 << 8) 34 #define S390_PTF_REASON_DONE (0x01 << 8) 35 #define S390_PTF_REASON_BUSY (0x02 << 8) 36 #define S390_TOPO_FC_MASK 0xffUL 37 void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra); 38 39 struct S390CcwMachineClass { 40 /*< private >*/ 41 MachineClass parent_class; 42 43 /*< public >*/ 44 bool ri_allowed; 45 bool cpu_model_allowed; 46 bool css_migration_enabled; 47 bool hpage_1m_allowed; 48 int max_threads; 49 }; 50 51 /* runtime-instrumentation allowed by the machine */ 52 bool ri_allowed(void); 53 /* cpu model allowed by the machine */ 54 bool cpu_model_allowed(void); 55 /* 1M huge page mappings allowed by the machine */ 56 bool hpage_1m_allowed(void); 57 58 /** 59 * Returns true if (vmstate based) migration of the channel subsystem 60 * is enabled, false if it is disabled. 61 */ 62 bool css_migration_enabled(void); 63 64 #endif 65