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14#ifndef HW_S390_SCLP_H
15#define HW_S390_SCLP_H
16
17#include "hw/sysbus.h"
18#include "target/s390x/cpu-qom.h"
19#include "qom/object.h"
20
21#define SCLP_CMD_CODE_MASK 0xffff00ff
22
23
24#define SCLP_CMDW_READ_SCP_INFO 0x00020001
25#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
26#define SCLP_READ_STORAGE_ELEMENT_INFO 0x00040001
27#define SCLP_ATTACH_STORAGE_ELEMENT 0x00080001
28#define SCLP_ASSIGN_STORAGE 0x000D0001
29#define SCLP_UNASSIGN_STORAGE 0x000C0001
30#define SCLP_CMD_READ_EVENT_DATA 0x00770005
31#define SCLP_CMD_WRITE_EVENT_DATA 0x00760005
32#define SCLP_CMD_WRITE_EVENT_MASK 0x00780005
33
34
35#define SCLP_FC_ASSIGN_ATTACH_READ_STOR 0xE00000000000ULL
36#define SCLP_STARTING_SUBINCREMENT_ID 0x10001
37#define SCLP_INCREMENT_UNIT 0x10000
38#define MAX_STORAGE_INCREMENTS 1020
39
40
41#define SCLP_HAS_CPU_INFO 0x0C00000000000000ULL
42#define SCLP_CMDW_READ_CPU_INFO 0x00010001
43#define SCLP_CMDW_CONFIGURE_CPU 0x00110001
44#define SCLP_CMDW_DECONFIGURE_CPU 0x00100001
45
46
47#define SCLP_HAS_IOA_RECONFIG 0x0000000040000000ULL
48#define SCLP_CMDW_CONFIGURE_IOA 0x001a0001
49#define SCLP_CMDW_DECONFIGURE_IOA 0x001b0001
50#define SCLP_RECONFIG_PCI_ATYPE 2
51
52
53#define SCLP_RC_NORMAL_READ_COMPLETION 0x0010
54#define SCLP_RC_NORMAL_COMPLETION 0x0020
55#define SCLP_RC_SCCB_BOUNDARY_VIOLATION 0x0100
56#define SCLP_RC_NO_ACTION_REQUIRED 0x0120
57#define SCLP_RC_INVALID_SCLP_COMMAND 0x01f0
58#define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340
59#define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300
60#define SCLP_RC_STANDBY_READ_COMPLETION 0x0410
61#define SCLP_RC_ADAPTER_IN_RESERVED_STATE 0x05f0
62#define SCLP_RC_ADAPTER_TYPE_NOT_RECOGNIZED 0x06f0
63#define SCLP_RC_ADAPTER_ID_NOT_RECOGNIZED 0x09f0
64#define SCLP_RC_INVALID_FUNCTION 0x40f0
65#define SCLP_RC_NO_EVENT_BUFFERS_STORED 0x60f0
66#define SCLP_RC_INVALID_SELECTION_MASK 0x70f0
67#define SCLP_RC_INCONSISTENT_LENGTHS 0x72f0
68#define SCLP_RC_EVENT_BUFFER_SYNTAX_ERROR 0x73f0
69#define SCLP_RC_INVALID_MASK_LENGTH 0x74f0
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73
74#define SCCB_SIZE 4096
75
76#define SCLP_VARIABLE_LENGTH_RESPONSE 0x80
77#define SCLP_EVENT_BUFFER_ACCEPTED 0x80
78
79#define SCLP_FC_NORMAL_WRITE 0
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93
94typedef struct SCCBHeader {
95 uint16_t length;
96 uint8_t function_code;
97 uint8_t control_mask[3];
98 uint16_t response_code;
99} QEMU_PACKED SCCBHeader;
100
101#define SCCB_DATA_LEN (SCCB_SIZE - sizeof(SCCBHeader))
102#define SCCB_CPU_FEATURE_LEN 6
103
104
105typedef struct CPUEntry {
106 uint8_t address;
107 uint8_t reserved0;
108 uint8_t features[SCCB_CPU_FEATURE_LEN];
109 uint8_t reserved2[6];
110 uint8_t type;
111 uint8_t reserved1;
112} QEMU_PACKED CPUEntry;
113
114#define SCLP_READ_SCP_INFO_FIXED_CPU_OFFSET 128
115typedef struct ReadInfo {
116 SCCBHeader h;
117 uint16_t rnmax;
118 uint8_t rnsize;
119 uint8_t _reserved1[16 - 11];
120 uint16_t entries_cpu;
121 uint16_t offset_cpu;
122 uint8_t _reserved2[24 - 20];
123 uint8_t loadparm[8];
124 uint8_t _reserved3[48 - 32];
125 uint64_t facilities;
126 uint8_t _reserved0[76 - 56];
127 uint32_t ibc_val;
128 uint8_t conf_char[99 - 80];
129 uint8_t mha_pow;
130 uint32_t rnsize2;
131 uint64_t rnmax2;
132 uint8_t _reserved6[116 - 112];
133 uint8_t conf_char_ext[120 - 116];
134 uint16_t highest_cpu;
135 uint8_t _reserved5[124 - 122];
136 uint32_t hmfai;
137 uint8_t _reserved7[134 - 128];
138 uint8_t fac134;
139 uint8_t _reserved8[144 - 135];
140 struct CPUEntry entries[];
141
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144
145
146} QEMU_PACKED ReadInfo;
147
148typedef struct ReadCpuInfo {
149 SCCBHeader h;
150 uint16_t nr_configured;
151 uint16_t offset_configured;
152 uint16_t nr_standby;
153 uint16_t offset_standby;
154 uint8_t reserved0[24-16];
155 struct CPUEntry entries[];
156} QEMU_PACKED ReadCpuInfo;
157
158typedef struct ReadStorageElementInfo {
159 SCCBHeader h;
160 uint16_t max_id;
161 uint16_t assigned;
162 uint16_t standby;
163 uint8_t _reserved0[16 - 14];
164 uint32_t entries[];
165} QEMU_PACKED ReadStorageElementInfo;
166
167typedef struct AttachStorageElement {
168 SCCBHeader h;
169 uint8_t _reserved0[10 - 8];
170 uint16_t assigned;
171 uint8_t _reserved1[16 - 12];
172 uint32_t entries[];
173} QEMU_PACKED AttachStorageElement;
174
175typedef struct AssignStorage {
176 SCCBHeader h;
177 uint16_t rn;
178} QEMU_PACKED AssignStorage;
179
180typedef struct IoaCfgSccb {
181 SCCBHeader header;
182 uint8_t atype;
183 uint8_t reserved1;
184 uint16_t reserved2;
185 uint32_t aid;
186} QEMU_PACKED IoaCfgSccb;
187
188typedef struct SCCB {
189 SCCBHeader h;
190 char data[];
191 } QEMU_PACKED SCCB;
192
193#define TYPE_SCLP "sclp"
194OBJECT_DECLARE_TYPE(SCLPDevice, SCLPDeviceClass,
195 SCLP)
196
197struct SCLPEventFacility;
198
199struct SCLPDevice {
200
201 DeviceState parent_obj;
202 struct SCLPEventFacility *event_facility;
203 int increment_size;
204
205
206};
207
208struct SCLPDeviceClass {
209
210 DeviceClass parent_class;
211 void (*read_SCP_info)(SCLPDevice *sclp, SCCB *sccb);
212 void (*read_cpu_info)(SCLPDevice *sclp, SCCB *sccb);
213
214
215 void (*execute)(SCLPDevice *sclp, SCCB *sccb, uint32_t code);
216 void (*service_interrupt)(SCLPDevice *sclp, uint32_t sccb);
217};
218
219static inline int sccb_data_len(SCCB *sccb)
220{
221 return be16_to_cpu(sccb->h.length) - sizeof(sccb->h);
222}
223
224
225void s390_sclp_init(void);
226void sclp_service_interrupt(uint32_t sccb);
227void raise_irq_cpu_hotplug(void);
228int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code);
229int sclp_service_call_protected(CPUS390XState *env, uint64_t sccb,
230 uint32_t code);
231
232#endif
233