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 
33     SCLPDevice *sclp;
34 };
35 
36 #define S390_PTF_REASON_NONE (0x00 << 8)
37 #define S390_PTF_REASON_DONE (0x01 << 8)
38 #define S390_PTF_REASON_BUSY (0x02 << 8)
39 #define S390_TOPO_FC_MASK 0xffUL
40 void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra);
41 
42 struct S390CcwMachineClass {
43     /*< private >*/
44     MachineClass parent_class;
45 
46     /*< public >*/
47     bool ri_allowed;
48     bool cpu_model_allowed;
49     bool hpage_1m_allowed;
50     int max_threads;
51 };
52 
53 /* runtime-instrumentation allowed by the machine */
54 bool ri_allowed(void);
55 /* cpu model allowed by the machine */
56 bool cpu_model_allowed(void);
57 /* 1M huge page mappings allowed by the machine */
58 bool hpage_1m_allowed(void);
59 
60 #endif
61