include/hw/s390x/s390-virtio-ccw.h

   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     uint64_t max_pagesize;
  34
  35     SCLPDevice *sclp;
  36 };
  37
  38 static inline uint64_t s390_get_memory_limit(S390CcwMachineState *s390ms)
  39 {
  40     /* We expect to be called only after the limit was set. */
  41     assert(s390ms->memory_limit);
  42     return s390ms->memory_limit;
  43 }
  44
  45 #define S390_PTF_REASON_NONE (0x00 << 8)
  46 #define S390_PTF_REASON_DONE (0x01 << 8)
  47 #define S390_PTF_REASON_BUSY (0x02 << 8)
  48 #define S390_TOPO_FC_MASK 0xffUL
  49 void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra);
  50
  51 struct S390CcwMachineClass {
  52     /*< private >*/
  53     MachineClass parent_class;
  54
  55     /*< public >*/
  56     int max_threads;
  57     bool use_cpi;
  58 };
  59
  60 #endif