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b0c632db | 1 | /* |
a53c8fab | 2 | * definition for kernel virtual machines on s390 |
b0c632db | 3 | * |
a53c8fab | 4 | * Copyright IBM Corp. 2008, 2009 |
b0c632db HC |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License (version 2 only) | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * Author(s): Carsten Otte <cotte@de.ibm.com> | |
11 | */ | |
12 | ||
13 | ||
14 | #ifndef ASM_KVM_HOST_H | |
15 | #define ASM_KVM_HOST_H | |
65647300 PB |
16 | |
17 | #include <linux/types.h> | |
ca872302 CB |
18 | #include <linux/hrtimer.h> |
19 | #include <linux/interrupt.h> | |
65647300 | 20 | #include <linux/kvm_types.h> |
b0c632db | 21 | #include <linux/kvm_host.h> |
81aa8efe | 22 | #include <linux/kvm.h> |
9c23a131 | 23 | #include <linux/seqlock.h> |
b0c632db | 24 | #include <asm/debug.h> |
e86a6ed6 | 25 | #include <asm/cpu.h> |
b0753902 | 26 | #include <asm/fpu/api.h> |
841b91c5 | 27 | #include <asm/isc.h> |
b0c632db | 28 | |
bc784cce ED |
29 | #define KVM_S390_BSCA_CPU_SLOTS 64 |
30 | #define KVM_S390_ESCA_CPU_SLOTS 248 | |
fe0edcb7 | 31 | #define KVM_MAX_VCPUS KVM_S390_ESCA_CPU_SLOTS |
bbacc0c1 | 32 | #define KVM_USER_MEM_SLOTS 32 |
b0c632db | 33 | |
84223598 CH |
34 | /* |
35 | * These seem to be used for allocating ->chip in the routing table, | |
36 | * which we don't use. 4096 is an out-of-thin-air value. If we need | |
37 | * to look at ->chip later on, we'll need to revisit this. | |
38 | */ | |
39 | #define KVM_NR_IRQCHIPS 1 | |
40 | #define KVM_IRQCHIP_NUM_PINS 4096 | |
c4a8de35 | 41 | #define KVM_HALT_POLL_NS_DEFAULT 80000 |
84223598 | 42 | |
2860c4b1 PB |
43 | /* s390-specific vcpu->requests bit members */ |
44 | #define KVM_REQ_ENABLE_IBS 8 | |
45 | #define KVM_REQ_DISABLE_IBS 9 | |
6502a34c | 46 | #define KVM_REQ_ICPT_OPEREXC 10 |
2860c4b1 | 47 | |
ea5f4969 DH |
48 | #define SIGP_CTRL_C 0x80 |
49 | #define SIGP_CTRL_SCN_MASK 0x3f | |
4953919f | 50 | |
bc784cce ED |
51 | union bsca_sigp_ctrl { |
52 | __u8 value; | |
53 | struct { | |
54 | __u8 c : 1; | |
55 | __u8 r : 1; | |
56 | __u8 scn : 6; | |
57 | }; | |
58 | } __packed; | |
59 | ||
60 | union esca_sigp_ctrl { | |
61 | __u16 value; | |
62 | struct { | |
63 | __u8 c : 1; | |
64 | __u8 reserved: 7; | |
65 | __u8 scn; | |
66 | }; | |
67 | } __packed; | |
68 | ||
69 | struct esca_entry { | |
70 | union esca_sigp_ctrl sigp_ctrl; | |
71 | __u16 reserved1[3]; | |
72 | __u64 sda; | |
73 | __u64 reserved2[6]; | |
74 | } __packed; | |
75 | ||
76 | struct bsca_entry { | |
ea5f4969 | 77 | __u8 reserved0; |
bc784cce | 78 | union bsca_sigp_ctrl sigp_ctrl; |
ea5f4969 | 79 | __u16 reserved[3]; |
b0c632db HC |
80 | __u64 sda; |
81 | __u64 reserved2[2]; | |
82 | } __attribute__((packed)); | |
83 | ||
8a242234 HC |
84 | union ipte_control { |
85 | unsigned long val; | |
86 | struct { | |
87 | unsigned long k : 1; | |
88 | unsigned long kh : 31; | |
89 | unsigned long kg : 32; | |
90 | }; | |
91 | }; | |
b0c632db | 92 | |
bc784cce | 93 | struct bsca_block { |
8a242234 | 94 | union ipte_control ipte_control; |
b0c632db HC |
95 | __u64 reserved[5]; |
96 | __u64 mcn; | |
97 | __u64 reserved2; | |
bc784cce | 98 | struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS]; |
b0c632db HC |
99 | } __attribute__((packed)); |
100 | ||
bc784cce ED |
101 | struct esca_block { |
102 | union ipte_control ipte_control; | |
103 | __u64 reserved1[7]; | |
104 | __u64 mcn[4]; | |
105 | __u64 reserved2[20]; | |
106 | struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS]; | |
107 | } __packed; | |
108 | ||
9e6dabef | 109 | #define CPUSTAT_STOPPED 0x80000000 |
b0c632db HC |
110 | #define CPUSTAT_WAIT 0x10000000 |
111 | #define CPUSTAT_ECALL_PEND 0x08000000 | |
112 | #define CPUSTAT_STOP_INT 0x04000000 | |
113 | #define CPUSTAT_IO_INT 0x02000000 | |
114 | #define CPUSTAT_EXT_INT 0x01000000 | |
115 | #define CPUSTAT_RUNNING 0x00800000 | |
116 | #define CPUSTAT_RETAINED 0x00400000 | |
117 | #define CPUSTAT_TIMING_SUB 0x00020000 | |
118 | #define CPUSTAT_SIE_SUB 0x00010000 | |
119 | #define CPUSTAT_RRF 0x00008000 | |
120 | #define CPUSTAT_SLSV 0x00004000 | |
121 | #define CPUSTAT_SLSR 0x00002000 | |
122 | #define CPUSTAT_ZARCH 0x00000800 | |
123 | #define CPUSTAT_MCDS 0x00000100 | |
124 | #define CPUSTAT_SM 0x00000080 | |
8ad35755 | 125 | #define CPUSTAT_IBS 0x00000040 |
53df84f8 | 126 | #define CPUSTAT_GED2 0x00000010 |
b0c632db | 127 | #define CPUSTAT_G 0x00000008 |
69d0d3a3 | 128 | #define CPUSTAT_GED 0x00000004 |
b0c632db HC |
129 | #define CPUSTAT_J 0x00000002 |
130 | #define CPUSTAT_P 0x00000001 | |
131 | ||
180c12fb | 132 | struct kvm_s390_sie_block { |
b0c632db | 133 | atomic_t cpuflags; /* 0x0000 */ |
fda902cb MM |
134 | __u32 : 1; /* 0x0004 */ |
135 | __u32 prefix : 18; | |
658b6eda MM |
136 | __u32 : 1; |
137 | __u32 ibc : 12; | |
95d38fd0 CB |
138 | __u8 reserved08[4]; /* 0x0008 */ |
139 | #define PROG_IN_SIE (1<<0) | |
140 | __u32 prog0c; /* 0x000c */ | |
49b99e1e | 141 | __u8 reserved10[16]; /* 0x0010 */ |
8e236546 CB |
142 | #define PROG_BLOCK_SIE (1<<0) |
143 | #define PROG_REQUEST (1<<1) | |
49b99e1e CB |
144 | atomic_t prog20; /* 0x0020 */ |
145 | __u8 reserved24[4]; /* 0x0024 */ | |
b0c632db HC |
146 | __u64 cputm; /* 0x0028 */ |
147 | __u64 ckc; /* 0x0030 */ | |
148 | __u64 epoch; /* 0x0038 */ | |
a3508fbe | 149 | __u32 svcc; /* 0x0040 */ |
ba5c1e9b | 150 | #define LCTL_CR0 0x8000 |
d8346b7d | 151 | #define LCTL_CR6 0x0200 |
27291e21 DH |
152 | #define LCTL_CR9 0x0040 |
153 | #define LCTL_CR10 0x0020 | |
154 | #define LCTL_CR11 0x0010 | |
48a3e950 | 155 | #define LCTL_CR14 0x0002 |
b0c632db HC |
156 | __u16 lctl; /* 0x0044 */ |
157 | __s16 icpua; /* 0x0046 */ | |
95ca2cb5 | 158 | #define ICTL_OPEREXC 0x80000000 |
27291e21 DH |
159 | #define ICTL_PINT 0x20000000 |
160 | #define ICTL_LPSW 0x00400000 | |
161 | #define ICTL_STCTL 0x00040000 | |
162 | #define ICTL_ISKE 0x00004000 | |
163 | #define ICTL_SSKE 0x00002000 | |
164 | #define ICTL_RRBE 0x00001000 | |
5a5e6536 | 165 | #define ICTL_TPROT 0x00000200 |
b0c632db HC |
166 | __u32 ictl; /* 0x0048 */ |
167 | __u32 eca; /* 0x004c */ | |
8712836b DH |
168 | #define ICPT_INST 0x04 |
169 | #define ICPT_PROGI 0x08 | |
170 | #define ICPT_INSTPROGI 0x0C | |
a3508fbe DH |
171 | #define ICPT_EXTINT 0x14 |
172 | #define ICPT_VALIDITY 0x20 | |
173 | #define ICPT_STOP 0x28 | |
8712836b DH |
174 | #define ICPT_OPEREXC 0x2C |
175 | #define ICPT_PARTEXEC 0x38 | |
176 | #define ICPT_IOINST 0x40 | |
b0c632db | 177 | __u8 icptcode; /* 0x0050 */ |
04b41acd | 178 | __u8 icptstatus; /* 0x0051 */ |
b0c632db HC |
179 | __u16 ihcpu; /* 0x0052 */ |
180 | __u8 reserved54[2]; /* 0x0054 */ | |
181 | __u16 ipa; /* 0x0056 */ | |
182 | __u32 ipb; /* 0x0058 */ | |
183 | __u32 scaoh; /* 0x005c */ | |
184 | __u8 reserved60; /* 0x0060 */ | |
185 | __u8 ecb; /* 0x0061 */ | |
69d0d3a3 | 186 | __u8 ecb2; /* 0x0062 */ |
a374e892 TK |
187 | #define ECB3_AES 0x04 |
188 | #define ECB3_DEA 0x08 | |
189 | __u8 ecb3; /* 0x0063 */ | |
b0c632db HC |
190 | __u32 scaol; /* 0x0064 */ |
191 | __u8 reserved68[4]; /* 0x0068 */ | |
192 | __u32 todpr; /* 0x006c */ | |
efed1104 DH |
193 | __u8 reserved70[16]; /* 0x0070 */ |
194 | __u64 mso; /* 0x0080 */ | |
195 | __u64 msl; /* 0x0088 */ | |
b0c632db HC |
196 | psw_t gpsw; /* 0x0090 */ |
197 | __u64 gg14; /* 0x00a0 */ | |
198 | __u64 gg15; /* 0x00a8 */ | |
f14d82e0 TH |
199 | __u8 reservedb0[20]; /* 0x00b0 */ |
200 | __u16 extcpuaddr; /* 0x00c4 */ | |
201 | __u16 eic; /* 0x00c6 */ | |
202 | __u32 reservedc8; /* 0x00c8 */ | |
439716a5 DH |
203 | __u16 pgmilc; /* 0x00cc */ |
204 | __u16 iprcc; /* 0x00ce */ | |
205 | __u32 dxc; /* 0x00d0 */ | |
206 | __u16 mcn; /* 0x00d4 */ | |
207 | __u8 perc; /* 0x00d6 */ | |
208 | __u8 peratmid; /* 0x00d7 */ | |
209 | __u64 peraddr; /* 0x00d8 */ | |
210 | __u8 eai; /* 0x00e0 */ | |
211 | __u8 peraid; /* 0x00e1 */ | |
212 | __u8 oai; /* 0x00e2 */ | |
213 | __u8 armid; /* 0x00e3 */ | |
214 | __u8 reservede4[4]; /* 0x00e4 */ | |
215 | __u64 tecmc; /* 0x00e8 */ | |
5102ee87 TK |
216 | __u8 reservedf0[12]; /* 0x00f0 */ |
217 | #define CRYCB_FORMAT1 0x00000001 | |
45c9b47c | 218 | #define CRYCB_FORMAT2 0x00000003 |
5102ee87 | 219 | __u32 crycbd; /* 0x00fc */ |
b0c632db HC |
220 | __u64 gcr[16]; /* 0x0100 */ |
221 | __u64 gbea; /* 0x0180 */ | |
ef50f7ac CB |
222 | __u8 reserved188[24]; /* 0x0188 */ |
223 | __u32 fac; /* 0x01a0 */ | |
b31288fa KW |
224 | __u8 reserved1a4[20]; /* 0x01a4 */ |
225 | __u64 cbrlo; /* 0x01b8 */ | |
13211ea7 EF |
226 | __u8 reserved1c0[8]; /* 0x01c0 */ |
227 | __u32 ecd; /* 0x01c8 */ | |
228 | __u8 reserved1cc[18]; /* 0x01cc */ | |
672550fb CB |
229 | __u64 pp; /* 0x01de */ |
230 | __u8 reserved1e6[2]; /* 0x01e6 */ | |
7feb6bb8 | 231 | __u64 itdba; /* 0x01e8 */ |
c6e5f166 | 232 | __u64 riccbd; /* 0x01f0 */ |
c9bc1eab | 233 | __u64 gvrd; /* 0x01f8 */ |
b0c632db HC |
234 | } __attribute__((packed)); |
235 | ||
7feb6bb8 MM |
236 | struct kvm_s390_itdb { |
237 | __u8 data[256]; | |
238 | } __packed; | |
239 | ||
240 | struct sie_page { | |
241 | struct kvm_s390_sie_block sie_block; | |
242 | __u8 reserved200[1024]; /* 0x0200 */ | |
243 | struct kvm_s390_itdb itdb; /* 0x0600 */ | |
efa48163 | 244 | __u8 reserved700[2304]; /* 0x0700 */ |
7feb6bb8 MM |
245 | } __packed; |
246 | ||
b0c632db HC |
247 | struct kvm_vcpu_stat { |
248 | u32 exit_userspace; | |
0eaeafa1 | 249 | u32 exit_null; |
8f2abe6a CB |
250 | u32 exit_external_request; |
251 | u32 exit_external_interrupt; | |
252 | u32 exit_stop_request; | |
253 | u32 exit_validity; | |
ba5c1e9b | 254 | u32 exit_instruction; |
9ec6de19 | 255 | u32 exit_pei; |
f7819512 | 256 | u32 halt_successful_poll; |
62bea5bf | 257 | u32 halt_attempted_poll; |
3491caf2 | 258 | u32 halt_poll_invalid; |
ce2e4f0b | 259 | u32 halt_wakeup; |
ba5c1e9b | 260 | u32 instruction_lctl; |
f5e10b09 | 261 | u32 instruction_lctlg; |
aba07508 DH |
262 | u32 instruction_stctl; |
263 | u32 instruction_stctg; | |
ba5c1e9b CO |
264 | u32 exit_program_interruption; |
265 | u32 exit_instr_and_program; | |
a011eeb2 | 266 | u32 exit_operation_exception; |
7697e71f | 267 | u32 deliver_external_call; |
ba5c1e9b CO |
268 | u32 deliver_emergency_signal; |
269 | u32 deliver_service_signal; | |
270 | u32 deliver_virtio_interrupt; | |
271 | u32 deliver_stop_signal; | |
272 | u32 deliver_prefix_signal; | |
273 | u32 deliver_restart_signal; | |
274 | u32 deliver_program_int; | |
d8346b7d | 275 | u32 deliver_io_int; |
ba5c1e9b | 276 | u32 exit_wait_state; |
69d0d3a3 | 277 | u32 instruction_pfmf; |
453423dc CB |
278 | u32 instruction_stidp; |
279 | u32 instruction_spx; | |
280 | u32 instruction_stpx; | |
281 | u32 instruction_stap; | |
282 | u32 instruction_storage_key; | |
8a242234 | 283 | u32 instruction_ipte_interlock; |
453423dc CB |
284 | u32 instruction_stsch; |
285 | u32 instruction_chsc; | |
286 | u32 instruction_stsi; | |
287 | u32 instruction_stfl; | |
bb25b9ba | 288 | u32 instruction_tprot; |
a3508fbe | 289 | u32 instruction_sie; |
b31288fa | 290 | u32 instruction_essa; |
95ca2cb5 | 291 | u32 instruction_sthyi; |
5288fbf0 | 292 | u32 instruction_sigp_sense; |
bd59d3a4 | 293 | u32 instruction_sigp_sense_running; |
7697e71f | 294 | u32 instruction_sigp_external_call; |
5288fbf0 | 295 | u32 instruction_sigp_emergency; |
42cb0c9f DH |
296 | u32 instruction_sigp_cond_emergency; |
297 | u32 instruction_sigp_start; | |
5288fbf0 | 298 | u32 instruction_sigp_stop; |
42cb0c9f DH |
299 | u32 instruction_sigp_stop_store_status; |
300 | u32 instruction_sigp_store_status; | |
cd7b4b61 | 301 | u32 instruction_sigp_store_adtl_status; |
5288fbf0 CB |
302 | u32 instruction_sigp_arch; |
303 | u32 instruction_sigp_prefix; | |
304 | u32 instruction_sigp_restart; | |
42cb0c9f DH |
305 | u32 instruction_sigp_init_cpu_reset; |
306 | u32 instruction_sigp_cpu_reset; | |
307 | u32 instruction_sigp_unknown; | |
388186bc | 308 | u32 diagnose_10; |
e28acfea | 309 | u32 diagnose_44; |
41628d33 | 310 | u32 diagnose_9c; |
175a5c9e CB |
311 | u32 diagnose_258; |
312 | u32 diagnose_308; | |
313 | u32 diagnose_500; | |
b0c632db HC |
314 | }; |
315 | ||
bcd84683 JF |
316 | #define PGM_OPERATION 0x01 |
317 | #define PGM_PRIVILEGED_OP 0x02 | |
318 | #define PGM_EXECUTE 0x03 | |
319 | #define PGM_PROTECTION 0x04 | |
320 | #define PGM_ADDRESSING 0x05 | |
321 | #define PGM_SPECIFICATION 0x06 | |
322 | #define PGM_DATA 0x07 | |
323 | #define PGM_FIXED_POINT_OVERFLOW 0x08 | |
324 | #define PGM_FIXED_POINT_DIVIDE 0x09 | |
325 | #define PGM_DECIMAL_OVERFLOW 0x0a | |
326 | #define PGM_DECIMAL_DIVIDE 0x0b | |
327 | #define PGM_HFP_EXPONENT_OVERFLOW 0x0c | |
328 | #define PGM_HFP_EXPONENT_UNDERFLOW 0x0d | |
329 | #define PGM_HFP_SIGNIFICANCE 0x0e | |
330 | #define PGM_HFP_DIVIDE 0x0f | |
331 | #define PGM_SEGMENT_TRANSLATION 0x10 | |
332 | #define PGM_PAGE_TRANSLATION 0x11 | |
333 | #define PGM_TRANSLATION_SPEC 0x12 | |
334 | #define PGM_SPECIAL_OPERATION 0x13 | |
335 | #define PGM_OPERAND 0x15 | |
336 | #define PGM_TRACE_TABEL 0x16 | |
403c8648 | 337 | #define PGM_VECTOR_PROCESSING 0x1b |
bcd84683 JF |
338 | #define PGM_SPACE_SWITCH 0x1c |
339 | #define PGM_HFP_SQUARE_ROOT 0x1d | |
340 | #define PGM_PC_TRANSLATION_SPEC 0x1f | |
341 | #define PGM_AFX_TRANSLATION 0x20 | |
342 | #define PGM_ASX_TRANSLATION 0x21 | |
343 | #define PGM_LX_TRANSLATION 0x22 | |
344 | #define PGM_EX_TRANSLATION 0x23 | |
345 | #define PGM_PRIMARY_AUTHORITY 0x24 | |
346 | #define PGM_SECONDARY_AUTHORITY 0x25 | |
347 | #define PGM_LFX_TRANSLATION 0x26 | |
348 | #define PGM_LSX_TRANSLATION 0x27 | |
349 | #define PGM_ALET_SPECIFICATION 0x28 | |
350 | #define PGM_ALEN_TRANSLATION 0x29 | |
351 | #define PGM_ALE_SEQUENCE 0x2a | |
352 | #define PGM_ASTE_VALIDITY 0x2b | |
353 | #define PGM_ASTE_SEQUENCE 0x2c | |
354 | #define PGM_EXTENDED_AUTHORITY 0x2d | |
355 | #define PGM_LSTE_SEQUENCE 0x2e | |
356 | #define PGM_ASTE_INSTANCE 0x2f | |
357 | #define PGM_STACK_FULL 0x30 | |
358 | #define PGM_STACK_EMPTY 0x31 | |
359 | #define PGM_STACK_SPECIFICATION 0x32 | |
360 | #define PGM_STACK_TYPE 0x33 | |
361 | #define PGM_STACK_OPERATION 0x34 | |
362 | #define PGM_ASCE_TYPE 0x38 | |
363 | #define PGM_REGION_FIRST_TRANS 0x39 | |
364 | #define PGM_REGION_SECOND_TRANS 0x3a | |
365 | #define PGM_REGION_THIRD_TRANS 0x3b | |
366 | #define PGM_MONITOR 0x40 | |
367 | #define PGM_PER 0x80 | |
368 | #define PGM_CRYPTO_OPERATION 0x119 | |
ba5c1e9b | 369 | |
c0e6159d JF |
370 | /* irq types in order of priority */ |
371 | enum irq_types { | |
372 | IRQ_PEND_MCHK_EX = 0, | |
373 | IRQ_PEND_SVC, | |
374 | IRQ_PEND_PROG, | |
375 | IRQ_PEND_MCHK_REP, | |
376 | IRQ_PEND_EXT_IRQ_KEY, | |
377 | IRQ_PEND_EXT_MALFUNC, | |
378 | IRQ_PEND_EXT_EMERGENCY, | |
379 | IRQ_PEND_EXT_EXTERNAL, | |
380 | IRQ_PEND_EXT_CLOCK_COMP, | |
381 | IRQ_PEND_EXT_CPU_TIMER, | |
382 | IRQ_PEND_EXT_TIMING, | |
383 | IRQ_PEND_EXT_SERVICE, | |
384 | IRQ_PEND_EXT_HOST, | |
385 | IRQ_PEND_PFAULT_INIT, | |
386 | IRQ_PEND_PFAULT_DONE, | |
387 | IRQ_PEND_VIRTIO, | |
388 | IRQ_PEND_IO_ISC_0, | |
389 | IRQ_PEND_IO_ISC_1, | |
390 | IRQ_PEND_IO_ISC_2, | |
391 | IRQ_PEND_IO_ISC_3, | |
392 | IRQ_PEND_IO_ISC_4, | |
393 | IRQ_PEND_IO_ISC_5, | |
394 | IRQ_PEND_IO_ISC_6, | |
395 | IRQ_PEND_IO_ISC_7, | |
396 | IRQ_PEND_SIGP_STOP, | |
397 | IRQ_PEND_RESTART, | |
398 | IRQ_PEND_SET_PREFIX, | |
399 | IRQ_PEND_COUNT | |
400 | }; | |
401 | ||
6d3da241 JF |
402 | /* We have 2M for virtio device descriptor pages. Smallest amount of |
403 | * memory per page is 24 bytes (1 queue), so (2048*1024) / 24 = 87381 | |
404 | */ | |
405 | #define KVM_S390_MAX_VIRTIO_IRQS 87381 | |
406 | ||
c0e6159d JF |
407 | /* |
408 | * Repressible (non-floating) machine check interrupts | |
409 | * subclass bits in MCIC | |
410 | */ | |
411 | #define MCHK_EXTD_BIT 58 | |
412 | #define MCHK_DEGR_BIT 56 | |
413 | #define MCHK_WARN_BIT 55 | |
414 | #define MCHK_REP_MASK ((1UL << MCHK_DEGR_BIT) | \ | |
415 | (1UL << MCHK_EXTD_BIT) | \ | |
416 | (1UL << MCHK_WARN_BIT)) | |
417 | ||
418 | /* Exigent machine check interrupts subclass bits in MCIC */ | |
419 | #define MCHK_SD_BIT 63 | |
420 | #define MCHK_PD_BIT 62 | |
421 | #define MCHK_EX_MASK ((1UL << MCHK_SD_BIT) | (1UL << MCHK_PD_BIT)) | |
422 | ||
423 | #define IRQ_PEND_EXT_MASK ((1UL << IRQ_PEND_EXT_IRQ_KEY) | \ | |
424 | (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \ | |
425 | (1UL << IRQ_PEND_EXT_CPU_TIMER) | \ | |
426 | (1UL << IRQ_PEND_EXT_MALFUNC) | \ | |
427 | (1UL << IRQ_PEND_EXT_EMERGENCY) | \ | |
428 | (1UL << IRQ_PEND_EXT_EXTERNAL) | \ | |
429 | (1UL << IRQ_PEND_EXT_TIMING) | \ | |
430 | (1UL << IRQ_PEND_EXT_HOST) | \ | |
431 | (1UL << IRQ_PEND_EXT_SERVICE) | \ | |
432 | (1UL << IRQ_PEND_VIRTIO) | \ | |
433 | (1UL << IRQ_PEND_PFAULT_INIT) | \ | |
434 | (1UL << IRQ_PEND_PFAULT_DONE)) | |
435 | ||
436 | #define IRQ_PEND_IO_MASK ((1UL << IRQ_PEND_IO_ISC_0) | \ | |
437 | (1UL << IRQ_PEND_IO_ISC_1) | \ | |
438 | (1UL << IRQ_PEND_IO_ISC_2) | \ | |
439 | (1UL << IRQ_PEND_IO_ISC_3) | \ | |
440 | (1UL << IRQ_PEND_IO_ISC_4) | \ | |
441 | (1UL << IRQ_PEND_IO_ISC_5) | \ | |
442 | (1UL << IRQ_PEND_IO_ISC_6) | \ | |
443 | (1UL << IRQ_PEND_IO_ISC_7)) | |
444 | ||
445 | #define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \ | |
446 | (1UL << IRQ_PEND_MCHK_EX)) | |
447 | ||
180c12fb | 448 | struct kvm_s390_interrupt_info { |
ba5c1e9b CO |
449 | struct list_head list; |
450 | u64 type; | |
451 | union { | |
180c12fb CB |
452 | struct kvm_s390_io_info io; |
453 | struct kvm_s390_ext_info ext; | |
454 | struct kvm_s390_pgm_info pgm; | |
8bb3a2eb | 455 | struct kvm_s390_emerg_info emerg; |
7697e71f | 456 | struct kvm_s390_extcall_info extcall; |
180c12fb | 457 | struct kvm_s390_prefix_info prefix; |
2822545f | 458 | struct kvm_s390_stop_info stop; |
48a3e950 | 459 | struct kvm_s390_mchk_info mchk; |
ba5c1e9b CO |
460 | }; |
461 | }; | |
462 | ||
c0e6159d JF |
463 | struct kvm_s390_irq_payload { |
464 | struct kvm_s390_io_info io; | |
465 | struct kvm_s390_ext_info ext; | |
466 | struct kvm_s390_pgm_info pgm; | |
467 | struct kvm_s390_emerg_info emerg; | |
468 | struct kvm_s390_extcall_info extcall; | |
469 | struct kvm_s390_prefix_info prefix; | |
2822545f | 470 | struct kvm_s390_stop_info stop; |
c0e6159d JF |
471 | struct kvm_s390_mchk_info mchk; |
472 | }; | |
473 | ||
180c12fb | 474 | struct kvm_s390_local_interrupt { |
ba5c1e9b | 475 | spinlock_t lock; |
180c12fb | 476 | struct kvm_s390_float_interrupt *float_int; |
8577370f | 477 | struct swait_queue_head *wq; |
5288fbf0 | 478 | atomic_t *cpuflags; |
c0e6159d JF |
479 | DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS); |
480 | struct kvm_s390_irq_payload irq; | |
481 | unsigned long pending_irqs; | |
ba5c1e9b CO |
482 | }; |
483 | ||
6d3da241 JF |
484 | #define FIRQ_LIST_IO_ISC_0 0 |
485 | #define FIRQ_LIST_IO_ISC_1 1 | |
486 | #define FIRQ_LIST_IO_ISC_2 2 | |
487 | #define FIRQ_LIST_IO_ISC_3 3 | |
488 | #define FIRQ_LIST_IO_ISC_4 4 | |
489 | #define FIRQ_LIST_IO_ISC_5 5 | |
490 | #define FIRQ_LIST_IO_ISC_6 6 | |
491 | #define FIRQ_LIST_IO_ISC_7 7 | |
492 | #define FIRQ_LIST_PFAULT 8 | |
493 | #define FIRQ_LIST_VIRTIO 9 | |
494 | #define FIRQ_LIST_COUNT 10 | |
495 | #define FIRQ_CNTR_IO 0 | |
496 | #define FIRQ_CNTR_SERVICE 1 | |
497 | #define FIRQ_CNTR_VIRTIO 2 | |
498 | #define FIRQ_CNTR_PFAULT 3 | |
499 | #define FIRQ_MAX_COUNT 4 | |
500 | ||
180c12fb | 501 | struct kvm_s390_float_interrupt { |
6d3da241 | 502 | unsigned long pending_irqs; |
ba5c1e9b | 503 | spinlock_t lock; |
6d3da241 JF |
504 | struct list_head lists[FIRQ_LIST_COUNT]; |
505 | int counters[FIRQ_MAX_COUNT]; | |
506 | struct kvm_s390_mchk_info mchk; | |
507 | struct kvm_s390_ext_info srv_signal; | |
ba5c1e9b | 508 | int next_rr_cpu; |
609433fb | 509 | unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)]; |
ba5c1e9b CO |
510 | }; |
511 | ||
27291e21 DH |
512 | struct kvm_hw_wp_info_arch { |
513 | unsigned long addr; | |
514 | unsigned long phys_addr; | |
515 | int len; | |
516 | char *old_data; | |
517 | }; | |
518 | ||
519 | struct kvm_hw_bp_info_arch { | |
520 | unsigned long addr; | |
521 | int len; | |
522 | }; | |
523 | ||
524 | /* | |
525 | * Only the upper 16 bits of kvm_guest_debug->control are arch specific. | |
526 | * Further KVM_GUESTDBG flags which an be used from userspace can be found in | |
527 | * arch/s390/include/uapi/asm/kvm.h | |
528 | */ | |
529 | #define KVM_GUESTDBG_EXIT_PENDING 0x10000000 | |
530 | ||
531 | #define guestdbg_enabled(vcpu) \ | |
532 | (vcpu->guest_debug & KVM_GUESTDBG_ENABLE) | |
533 | #define guestdbg_sstep_enabled(vcpu) \ | |
534 | (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) | |
535 | #define guestdbg_hw_bp_enabled(vcpu) \ | |
536 | (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) | |
537 | #define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \ | |
538 | (vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING)) | |
539 | ||
540 | struct kvm_guestdbg_info_arch { | |
541 | unsigned long cr0; | |
542 | unsigned long cr9; | |
543 | unsigned long cr10; | |
544 | unsigned long cr11; | |
545 | struct kvm_hw_bp_info_arch *hw_bp_info; | |
546 | struct kvm_hw_wp_info_arch *hw_wp_info; | |
547 | int nr_hw_bp; | |
548 | int nr_hw_wp; | |
549 | unsigned long last_bp; | |
550 | }; | |
ba5c1e9b | 551 | |
b0c632db | 552 | struct kvm_vcpu_arch { |
180c12fb | 553 | struct kvm_s390_sie_block *sie_block; |
adbf1698 DH |
554 | /* if vsie is active, currently executed shadow sie control block */ |
555 | struct kvm_s390_sie_block *vsie_block; | |
b0c632db | 556 | unsigned int host_acrs[NUM_ACRS]; |
9977e886 | 557 | struct fpu host_fpregs; |
180c12fb | 558 | struct kvm_s390_local_interrupt local_int; |
ca872302 | 559 | struct hrtimer ckc_timer; |
1b0462e5 | 560 | struct kvm_s390_pgm_info pgm; |
598841ca | 561 | struct gmap *gmap; |
37d9df98 DH |
562 | /* backup location for the currently enabled gmap when scheduled out */ |
563 | struct gmap *enabled_gmap; | |
27291e21 | 564 | struct kvm_guestdbg_info_arch guestdbg; |
3c038e6b DD |
565 | unsigned long pfault_token; |
566 | unsigned long pfault_select; | |
567 | unsigned long pfault_compare; | |
db0758b2 | 568 | bool cputm_enabled; |
9c23a131 DH |
569 | /* |
570 | * The seqcount protects updates to cputm_start and sie_block.cputm, | |
571 | * this way we can have non-blocking reads with consistent values. | |
572 | * Only the owning VCPU thread (vcpu->cpu) is allowed to change these | |
573 | * values and to start/stop/enable/disable cpu timer accounting. | |
574 | */ | |
575 | seqcount_t cputm_seqcount; | |
db0758b2 | 576 | __u64 cputm_start; |
b0c632db HC |
577 | }; |
578 | ||
579 | struct kvm_vm_stat { | |
580 | u32 remote_tlb_flush; | |
581 | }; | |
582 | ||
db3fe4eb TY |
583 | struct kvm_arch_memory_slot { |
584 | }; | |
585 | ||
841b91c5 CH |
586 | struct s390_map_info { |
587 | struct list_head list; | |
588 | __u64 guest_addr; | |
589 | __u64 addr; | |
590 | struct page *page; | |
591 | }; | |
592 | ||
593 | struct s390_io_adapter { | |
594 | unsigned int id; | |
595 | int isc; | |
596 | bool maskable; | |
597 | bool masked; | |
598 | bool swap; | |
599 | struct rw_semaphore maps_lock; | |
600 | struct list_head maps; | |
601 | atomic_t nr_maps; | |
602 | }; | |
603 | ||
604 | #define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8) | |
605 | #define MAX_S390_ADAPTER_MAPS 256 | |
606 | ||
9d8d5786 MM |
607 | /* maximum size of facilities and facility mask is 2k bytes */ |
608 | #define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11) | |
609 | #define S390_ARCH_FAC_LIST_SIZE_U64 \ | |
610 | (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64)) | |
611 | #define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE | |
612 | #define S390_ARCH_FAC_MASK_SIZE_U64 \ | |
613 | (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64)) | |
614 | ||
9d8d5786 | 615 | struct kvm_s390_cpu_model { |
c54f0d6a DH |
616 | /* facility mask supported by kvm & hosting machine */ |
617 | __u64 fac_mask[S390_ARCH_FAC_LIST_SIZE_U64]; | |
618 | /* facility list requested by guest (in dma page) */ | |
619 | __u64 *fac_list; | |
9bb0ec09 | 620 | u64 cpuid; |
658b6eda | 621 | unsigned short ibc; |
9d8d5786 MM |
622 | }; |
623 | ||
5102ee87 TK |
624 | struct kvm_s390_crypto { |
625 | struct kvm_s390_crypto_cb *crycb; | |
626 | __u32 crycbd; | |
a374e892 TK |
627 | __u8 aes_kw; |
628 | __u8 dea_kw; | |
5102ee87 TK |
629 | }; |
630 | ||
631 | struct kvm_s390_crypto_cb { | |
a374e892 TK |
632 | __u8 reserved00[72]; /* 0x0000 */ |
633 | __u8 dea_wrapping_key_mask[24]; /* 0x0048 */ | |
634 | __u8 aes_wrapping_key_mask[32]; /* 0x0060 */ | |
45c9b47c | 635 | __u8 reserved80[128]; /* 0x0080 */ |
5102ee87 TK |
636 | }; |
637 | ||
c54f0d6a DH |
638 | /* |
639 | * sie_page2 has to be allocated as DMA because fac_list and crycb need | |
640 | * 31bit addresses in the sie control block. | |
641 | */ | |
642 | struct sie_page2 { | |
643 | __u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64]; /* 0x0000 */ | |
644 | struct kvm_s390_crypto_cb crycb; /* 0x0800 */ | |
645 | u8 reserved900[0x1000 - 0x900]; /* 0x0900 */ | |
646 | } __packed; | |
647 | ||
a3508fbe DH |
648 | struct kvm_s390_vsie { |
649 | struct mutex mutex; | |
650 | struct radix_tree_root addr_to_page; | |
651 | int page_count; | |
652 | int next; | |
653 | struct page *pages[KVM_MAX_VCPUS]; | |
654 | }; | |
655 | ||
b0c632db | 656 | struct kvm_arch{ |
7d43bafc ED |
657 | void *sca; |
658 | int use_esca; | |
5e044315 | 659 | rwlock_t sca_lock; |
b0c632db | 660 | debug_info_t *dbf; |
180c12fb | 661 | struct kvm_s390_float_interrupt float_int; |
c05c4186 | 662 | struct kvm_device *flic; |
598841ca | 663 | struct gmap *gmap; |
a3a92c31 | 664 | unsigned long mem_limit; |
fa6b7fe9 | 665 | int css_support; |
84223598 | 666 | int use_irqchip; |
b31605c1 | 667 | int use_cmma; |
6352e4d2 | 668 | int user_cpu_state_ctrl; |
2444b352 | 669 | int user_sigp; |
e44fc8c9 | 670 | int user_stsi; |
6502a34c | 671 | int user_instr0; |
841b91c5 | 672 | struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS]; |
8a242234 | 673 | wait_queue_head_t ipte_wq; |
a6b7e459 TH |
674 | int ipte_lock_count; |
675 | struct mutex ipte_mutex; | |
7d0a5e62 | 676 | struct ratelimit_state sthyi_limit; |
8ad35755 | 677 | spinlock_t start_stop_lock; |
c54f0d6a | 678 | struct sie_page2 *sie_page2; |
9d8d5786 | 679 | struct kvm_s390_cpu_model model; |
5102ee87 | 680 | struct kvm_s390_crypto crypto; |
a3508fbe | 681 | struct kvm_s390_vsie vsie; |
72f25020 | 682 | u64 epoch; |
15c9705f DH |
683 | /* subset of available cpu features enabled by user space */ |
684 | DECLARE_BITMAP(cpu_feat, KVM_S390_VM_CPU_FEAT_NR_BITS); | |
b0c632db HC |
685 | }; |
686 | ||
bf640876 DD |
687 | #define KVM_HVA_ERR_BAD (-1UL) |
688 | #define KVM_HVA_ERR_RO_BAD (-2UL) | |
689 | ||
690 | static inline bool kvm_is_error_hva(unsigned long addr) | |
691 | { | |
692 | return IS_ERR_VALUE(addr); | |
693 | } | |
694 | ||
3c038e6b | 695 | #define ASYNC_PF_PER_VCPU 64 |
3c038e6b DD |
696 | struct kvm_arch_async_pf { |
697 | unsigned long pfault_token; | |
698 | }; | |
699 | ||
700 | bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); | |
701 | ||
702 | void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, | |
703 | struct kvm_async_pf *work); | |
704 | ||
705 | void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, | |
706 | struct kvm_async_pf *work); | |
707 | ||
708 | void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, | |
709 | struct kvm_async_pf *work); | |
710 | ||
5a32c1af | 711 | extern int sie64a(struct kvm_s390_sie_block *, u64 *); |
b764bb1c | 712 | extern char sie_exit; |
0865e636 | 713 | |
13a34e06 | 714 | static inline void kvm_arch_hardware_disable(void) {} |
0865e636 | 715 | static inline void kvm_arch_check_processor_compat(void *rtn) {} |
0865e636 RK |
716 | static inline void kvm_arch_sync_events(struct kvm *kvm) {} |
717 | static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} | |
718 | static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} | |
719 | static inline void kvm_arch_free_memslot(struct kvm *kvm, | |
720 | struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {} | |
15f46015 | 721 | static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} |
0865e636 RK |
722 | static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} |
723 | static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm, | |
724 | struct kvm_memory_slot *slot) {} | |
3217f7c2 CD |
725 | static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} |
726 | static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} | |
0865e636 | 727 | |
3491caf2 CB |
728 | void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu); |
729 | ||
b0c632db | 730 | #endif |