Commit | Line | Data |
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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> |
b0c632db | 23 | #include <asm/debug.h> |
e86a6ed6 | 24 | #include <asm/cpu.h> |
b0753902 | 25 | #include <asm/fpu/api.h> |
841b91c5 | 26 | #include <asm/isc.h> |
b0c632db | 27 | |
bc784cce ED |
28 | #define KVM_S390_BSCA_CPU_SLOTS 64 |
29 | #define KVM_S390_ESCA_CPU_SLOTS 248 | |
fe0edcb7 | 30 | #define KVM_MAX_VCPUS KVM_S390_ESCA_CPU_SLOTS |
bbacc0c1 | 31 | #define KVM_USER_MEM_SLOTS 32 |
b0c632db | 32 | |
84223598 CH |
33 | /* |
34 | * These seem to be used for allocating ->chip in the routing table, | |
35 | * which we don't use. 4096 is an out-of-thin-air value. If we need | |
36 | * to look at ->chip later on, we'll need to revisit this. | |
37 | */ | |
38 | #define KVM_NR_IRQCHIPS 1 | |
39 | #define KVM_IRQCHIP_NUM_PINS 4096 | |
920552b2 | 40 | #define KVM_HALT_POLL_NS_DEFAULT 0 |
84223598 | 41 | |
2860c4b1 PB |
42 | /* s390-specific vcpu->requests bit members */ |
43 | #define KVM_REQ_ENABLE_IBS 8 | |
44 | #define KVM_REQ_DISABLE_IBS 9 | |
45 | ||
ea5f4969 DH |
46 | #define SIGP_CTRL_C 0x80 |
47 | #define SIGP_CTRL_SCN_MASK 0x3f | |
4953919f | 48 | |
bc784cce ED |
49 | union bsca_sigp_ctrl { |
50 | __u8 value; | |
51 | struct { | |
52 | __u8 c : 1; | |
53 | __u8 r : 1; | |
54 | __u8 scn : 6; | |
55 | }; | |
56 | } __packed; | |
57 | ||
58 | union esca_sigp_ctrl { | |
59 | __u16 value; | |
60 | struct { | |
61 | __u8 c : 1; | |
62 | __u8 reserved: 7; | |
63 | __u8 scn; | |
64 | }; | |
65 | } __packed; | |
66 | ||
67 | struct esca_entry { | |
68 | union esca_sigp_ctrl sigp_ctrl; | |
69 | __u16 reserved1[3]; | |
70 | __u64 sda; | |
71 | __u64 reserved2[6]; | |
72 | } __packed; | |
73 | ||
74 | struct bsca_entry { | |
ea5f4969 | 75 | __u8 reserved0; |
bc784cce | 76 | union bsca_sigp_ctrl sigp_ctrl; |
ea5f4969 | 77 | __u16 reserved[3]; |
b0c632db HC |
78 | __u64 sda; |
79 | __u64 reserved2[2]; | |
80 | } __attribute__((packed)); | |
81 | ||
8a242234 HC |
82 | union ipte_control { |
83 | unsigned long val; | |
84 | struct { | |
85 | unsigned long k : 1; | |
86 | unsigned long kh : 31; | |
87 | unsigned long kg : 32; | |
88 | }; | |
89 | }; | |
b0c632db | 90 | |
bc784cce | 91 | struct bsca_block { |
8a242234 | 92 | union ipte_control ipte_control; |
b0c632db HC |
93 | __u64 reserved[5]; |
94 | __u64 mcn; | |
95 | __u64 reserved2; | |
bc784cce | 96 | struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS]; |
b0c632db HC |
97 | } __attribute__((packed)); |
98 | ||
bc784cce ED |
99 | struct esca_block { |
100 | union ipte_control ipte_control; | |
101 | __u64 reserved1[7]; | |
102 | __u64 mcn[4]; | |
103 | __u64 reserved2[20]; | |
104 | struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS]; | |
105 | } __packed; | |
106 | ||
9e6dabef | 107 | #define CPUSTAT_STOPPED 0x80000000 |
b0c632db HC |
108 | #define CPUSTAT_WAIT 0x10000000 |
109 | #define CPUSTAT_ECALL_PEND 0x08000000 | |
110 | #define CPUSTAT_STOP_INT 0x04000000 | |
111 | #define CPUSTAT_IO_INT 0x02000000 | |
112 | #define CPUSTAT_EXT_INT 0x01000000 | |
113 | #define CPUSTAT_RUNNING 0x00800000 | |
114 | #define CPUSTAT_RETAINED 0x00400000 | |
115 | #define CPUSTAT_TIMING_SUB 0x00020000 | |
116 | #define CPUSTAT_SIE_SUB 0x00010000 | |
117 | #define CPUSTAT_RRF 0x00008000 | |
118 | #define CPUSTAT_SLSV 0x00004000 | |
119 | #define CPUSTAT_SLSR 0x00002000 | |
120 | #define CPUSTAT_ZARCH 0x00000800 | |
121 | #define CPUSTAT_MCDS 0x00000100 | |
122 | #define CPUSTAT_SM 0x00000080 | |
8ad35755 | 123 | #define CPUSTAT_IBS 0x00000040 |
53df84f8 | 124 | #define CPUSTAT_GED2 0x00000010 |
b0c632db | 125 | #define CPUSTAT_G 0x00000008 |
69d0d3a3 | 126 | #define CPUSTAT_GED 0x00000004 |
b0c632db HC |
127 | #define CPUSTAT_J 0x00000002 |
128 | #define CPUSTAT_P 0x00000001 | |
129 | ||
180c12fb | 130 | struct kvm_s390_sie_block { |
b0c632db | 131 | atomic_t cpuflags; /* 0x0000 */ |
fda902cb MM |
132 | __u32 : 1; /* 0x0004 */ |
133 | __u32 prefix : 18; | |
658b6eda MM |
134 | __u32 : 1; |
135 | __u32 ibc : 12; | |
95d38fd0 CB |
136 | __u8 reserved08[4]; /* 0x0008 */ |
137 | #define PROG_IN_SIE (1<<0) | |
138 | __u32 prog0c; /* 0x000c */ | |
49b99e1e | 139 | __u8 reserved10[16]; /* 0x0010 */ |
8e236546 CB |
140 | #define PROG_BLOCK_SIE (1<<0) |
141 | #define PROG_REQUEST (1<<1) | |
49b99e1e CB |
142 | atomic_t prog20; /* 0x0020 */ |
143 | __u8 reserved24[4]; /* 0x0024 */ | |
b0c632db HC |
144 | __u64 cputm; /* 0x0028 */ |
145 | __u64 ckc; /* 0x0030 */ | |
146 | __u64 epoch; /* 0x0038 */ | |
147 | __u8 reserved40[4]; /* 0x0040 */ | |
ba5c1e9b | 148 | #define LCTL_CR0 0x8000 |
d8346b7d | 149 | #define LCTL_CR6 0x0200 |
27291e21 DH |
150 | #define LCTL_CR9 0x0040 |
151 | #define LCTL_CR10 0x0020 | |
152 | #define LCTL_CR11 0x0010 | |
48a3e950 | 153 | #define LCTL_CR14 0x0002 |
b0c632db HC |
154 | __u16 lctl; /* 0x0044 */ |
155 | __s16 icpua; /* 0x0046 */ | |
27291e21 DH |
156 | #define ICTL_PINT 0x20000000 |
157 | #define ICTL_LPSW 0x00400000 | |
158 | #define ICTL_STCTL 0x00040000 | |
159 | #define ICTL_ISKE 0x00004000 | |
160 | #define ICTL_SSKE 0x00002000 | |
161 | #define ICTL_RRBE 0x00001000 | |
5a5e6536 | 162 | #define ICTL_TPROT 0x00000200 |
b0c632db HC |
163 | __u32 ictl; /* 0x0048 */ |
164 | __u32 eca; /* 0x004c */ | |
8712836b DH |
165 | #define ICPT_INST 0x04 |
166 | #define ICPT_PROGI 0x08 | |
167 | #define ICPT_INSTPROGI 0x0C | |
168 | #define ICPT_OPEREXC 0x2C | |
169 | #define ICPT_PARTEXEC 0x38 | |
170 | #define ICPT_IOINST 0x40 | |
b0c632db | 171 | __u8 icptcode; /* 0x0050 */ |
04b41acd | 172 | __u8 icptstatus; /* 0x0051 */ |
b0c632db HC |
173 | __u16 ihcpu; /* 0x0052 */ |
174 | __u8 reserved54[2]; /* 0x0054 */ | |
175 | __u16 ipa; /* 0x0056 */ | |
176 | __u32 ipb; /* 0x0058 */ | |
177 | __u32 scaoh; /* 0x005c */ | |
178 | __u8 reserved60; /* 0x0060 */ | |
179 | __u8 ecb; /* 0x0061 */ | |
69d0d3a3 | 180 | __u8 ecb2; /* 0x0062 */ |
a374e892 TK |
181 | #define ECB3_AES 0x04 |
182 | #define ECB3_DEA 0x08 | |
183 | __u8 ecb3; /* 0x0063 */ | |
b0c632db HC |
184 | __u32 scaol; /* 0x0064 */ |
185 | __u8 reserved68[4]; /* 0x0068 */ | |
186 | __u32 todpr; /* 0x006c */ | |
092670cd | 187 | __u8 reserved70[32]; /* 0x0070 */ |
b0c632db HC |
188 | psw_t gpsw; /* 0x0090 */ |
189 | __u64 gg14; /* 0x00a0 */ | |
190 | __u64 gg15; /* 0x00a8 */ | |
f14d82e0 TH |
191 | __u8 reservedb0[20]; /* 0x00b0 */ |
192 | __u16 extcpuaddr; /* 0x00c4 */ | |
193 | __u16 eic; /* 0x00c6 */ | |
194 | __u32 reservedc8; /* 0x00c8 */ | |
439716a5 DH |
195 | __u16 pgmilc; /* 0x00cc */ |
196 | __u16 iprcc; /* 0x00ce */ | |
197 | __u32 dxc; /* 0x00d0 */ | |
198 | __u16 mcn; /* 0x00d4 */ | |
199 | __u8 perc; /* 0x00d6 */ | |
200 | __u8 peratmid; /* 0x00d7 */ | |
201 | __u64 peraddr; /* 0x00d8 */ | |
202 | __u8 eai; /* 0x00e0 */ | |
203 | __u8 peraid; /* 0x00e1 */ | |
204 | __u8 oai; /* 0x00e2 */ | |
205 | __u8 armid; /* 0x00e3 */ | |
206 | __u8 reservede4[4]; /* 0x00e4 */ | |
207 | __u64 tecmc; /* 0x00e8 */ | |
5102ee87 TK |
208 | __u8 reservedf0[12]; /* 0x00f0 */ |
209 | #define CRYCB_FORMAT1 0x00000001 | |
45c9b47c | 210 | #define CRYCB_FORMAT2 0x00000003 |
5102ee87 | 211 | __u32 crycbd; /* 0x00fc */ |
b0c632db HC |
212 | __u64 gcr[16]; /* 0x0100 */ |
213 | __u64 gbea; /* 0x0180 */ | |
ef50f7ac CB |
214 | __u8 reserved188[24]; /* 0x0188 */ |
215 | __u32 fac; /* 0x01a0 */ | |
b31288fa KW |
216 | __u8 reserved1a4[20]; /* 0x01a4 */ |
217 | __u64 cbrlo; /* 0x01b8 */ | |
13211ea7 EF |
218 | __u8 reserved1c0[8]; /* 0x01c0 */ |
219 | __u32 ecd; /* 0x01c8 */ | |
220 | __u8 reserved1cc[18]; /* 0x01cc */ | |
672550fb CB |
221 | __u64 pp; /* 0x01de */ |
222 | __u8 reserved1e6[2]; /* 0x01e6 */ | |
7feb6bb8 | 223 | __u64 itdba; /* 0x01e8 */ |
c6e5f166 FZ |
224 | __u64 riccbd; /* 0x01f0 */ |
225 | __u8 reserved1f8[8]; /* 0x01f8 */ | |
b0c632db HC |
226 | } __attribute__((packed)); |
227 | ||
7feb6bb8 MM |
228 | struct kvm_s390_itdb { |
229 | __u8 data[256]; | |
230 | } __packed; | |
231 | ||
68c55750 EF |
232 | struct kvm_s390_vregs { |
233 | __vector128 vrs[32]; | |
234 | __u8 reserved200[512]; /* for future vector expansion */ | |
235 | } __packed; | |
236 | ||
7feb6bb8 MM |
237 | struct sie_page { |
238 | struct kvm_s390_sie_block sie_block; | |
239 | __u8 reserved200[1024]; /* 0x0200 */ | |
240 | struct kvm_s390_itdb itdb; /* 0x0600 */ | |
68c55750 EF |
241 | __u8 reserved700[1280]; /* 0x0700 */ |
242 | struct kvm_s390_vregs vregs; /* 0x0c00 */ | |
7feb6bb8 MM |
243 | } __packed; |
244 | ||
b0c632db HC |
245 | struct kvm_vcpu_stat { |
246 | u32 exit_userspace; | |
0eaeafa1 | 247 | u32 exit_null; |
8f2abe6a CB |
248 | u32 exit_external_request; |
249 | u32 exit_external_interrupt; | |
250 | u32 exit_stop_request; | |
251 | u32 exit_validity; | |
ba5c1e9b | 252 | u32 exit_instruction; |
f7819512 | 253 | u32 halt_successful_poll; |
62bea5bf | 254 | u32 halt_attempted_poll; |
ce2e4f0b | 255 | u32 halt_wakeup; |
ba5c1e9b | 256 | u32 instruction_lctl; |
f5e10b09 | 257 | u32 instruction_lctlg; |
aba07508 DH |
258 | u32 instruction_stctl; |
259 | u32 instruction_stctg; | |
ba5c1e9b CO |
260 | u32 exit_program_interruption; |
261 | u32 exit_instr_and_program; | |
7697e71f | 262 | u32 deliver_external_call; |
ba5c1e9b CO |
263 | u32 deliver_emergency_signal; |
264 | u32 deliver_service_signal; | |
265 | u32 deliver_virtio_interrupt; | |
266 | u32 deliver_stop_signal; | |
267 | u32 deliver_prefix_signal; | |
268 | u32 deliver_restart_signal; | |
269 | u32 deliver_program_int; | |
d8346b7d | 270 | u32 deliver_io_int; |
ba5c1e9b | 271 | u32 exit_wait_state; |
69d0d3a3 | 272 | u32 instruction_pfmf; |
453423dc CB |
273 | u32 instruction_stidp; |
274 | u32 instruction_spx; | |
275 | u32 instruction_stpx; | |
276 | u32 instruction_stap; | |
277 | u32 instruction_storage_key; | |
8a242234 | 278 | u32 instruction_ipte_interlock; |
453423dc CB |
279 | u32 instruction_stsch; |
280 | u32 instruction_chsc; | |
281 | u32 instruction_stsi; | |
282 | u32 instruction_stfl; | |
bb25b9ba | 283 | u32 instruction_tprot; |
b31288fa | 284 | u32 instruction_essa; |
5288fbf0 | 285 | u32 instruction_sigp_sense; |
bd59d3a4 | 286 | u32 instruction_sigp_sense_running; |
7697e71f | 287 | u32 instruction_sigp_external_call; |
5288fbf0 | 288 | u32 instruction_sigp_emergency; |
42cb0c9f DH |
289 | u32 instruction_sigp_cond_emergency; |
290 | u32 instruction_sigp_start; | |
5288fbf0 | 291 | u32 instruction_sigp_stop; |
42cb0c9f DH |
292 | u32 instruction_sigp_stop_store_status; |
293 | u32 instruction_sigp_store_status; | |
cd7b4b61 | 294 | u32 instruction_sigp_store_adtl_status; |
5288fbf0 CB |
295 | u32 instruction_sigp_arch; |
296 | u32 instruction_sigp_prefix; | |
297 | u32 instruction_sigp_restart; | |
42cb0c9f DH |
298 | u32 instruction_sigp_init_cpu_reset; |
299 | u32 instruction_sigp_cpu_reset; | |
300 | u32 instruction_sigp_unknown; | |
388186bc | 301 | u32 diagnose_10; |
e28acfea | 302 | u32 diagnose_44; |
41628d33 | 303 | u32 diagnose_9c; |
175a5c9e CB |
304 | u32 diagnose_258; |
305 | u32 diagnose_308; | |
306 | u32 diagnose_500; | |
b0c632db HC |
307 | }; |
308 | ||
bcd84683 JF |
309 | #define PGM_OPERATION 0x01 |
310 | #define PGM_PRIVILEGED_OP 0x02 | |
311 | #define PGM_EXECUTE 0x03 | |
312 | #define PGM_PROTECTION 0x04 | |
313 | #define PGM_ADDRESSING 0x05 | |
314 | #define PGM_SPECIFICATION 0x06 | |
315 | #define PGM_DATA 0x07 | |
316 | #define PGM_FIXED_POINT_OVERFLOW 0x08 | |
317 | #define PGM_FIXED_POINT_DIVIDE 0x09 | |
318 | #define PGM_DECIMAL_OVERFLOW 0x0a | |
319 | #define PGM_DECIMAL_DIVIDE 0x0b | |
320 | #define PGM_HFP_EXPONENT_OVERFLOW 0x0c | |
321 | #define PGM_HFP_EXPONENT_UNDERFLOW 0x0d | |
322 | #define PGM_HFP_SIGNIFICANCE 0x0e | |
323 | #define PGM_HFP_DIVIDE 0x0f | |
324 | #define PGM_SEGMENT_TRANSLATION 0x10 | |
325 | #define PGM_PAGE_TRANSLATION 0x11 | |
326 | #define PGM_TRANSLATION_SPEC 0x12 | |
327 | #define PGM_SPECIAL_OPERATION 0x13 | |
328 | #define PGM_OPERAND 0x15 | |
329 | #define PGM_TRACE_TABEL 0x16 | |
403c8648 | 330 | #define PGM_VECTOR_PROCESSING 0x1b |
bcd84683 JF |
331 | #define PGM_SPACE_SWITCH 0x1c |
332 | #define PGM_HFP_SQUARE_ROOT 0x1d | |
333 | #define PGM_PC_TRANSLATION_SPEC 0x1f | |
334 | #define PGM_AFX_TRANSLATION 0x20 | |
335 | #define PGM_ASX_TRANSLATION 0x21 | |
336 | #define PGM_LX_TRANSLATION 0x22 | |
337 | #define PGM_EX_TRANSLATION 0x23 | |
338 | #define PGM_PRIMARY_AUTHORITY 0x24 | |
339 | #define PGM_SECONDARY_AUTHORITY 0x25 | |
340 | #define PGM_LFX_TRANSLATION 0x26 | |
341 | #define PGM_LSX_TRANSLATION 0x27 | |
342 | #define PGM_ALET_SPECIFICATION 0x28 | |
343 | #define PGM_ALEN_TRANSLATION 0x29 | |
344 | #define PGM_ALE_SEQUENCE 0x2a | |
345 | #define PGM_ASTE_VALIDITY 0x2b | |
346 | #define PGM_ASTE_SEQUENCE 0x2c | |
347 | #define PGM_EXTENDED_AUTHORITY 0x2d | |
348 | #define PGM_LSTE_SEQUENCE 0x2e | |
349 | #define PGM_ASTE_INSTANCE 0x2f | |
350 | #define PGM_STACK_FULL 0x30 | |
351 | #define PGM_STACK_EMPTY 0x31 | |
352 | #define PGM_STACK_SPECIFICATION 0x32 | |
353 | #define PGM_STACK_TYPE 0x33 | |
354 | #define PGM_STACK_OPERATION 0x34 | |
355 | #define PGM_ASCE_TYPE 0x38 | |
356 | #define PGM_REGION_FIRST_TRANS 0x39 | |
357 | #define PGM_REGION_SECOND_TRANS 0x3a | |
358 | #define PGM_REGION_THIRD_TRANS 0x3b | |
359 | #define PGM_MONITOR 0x40 | |
360 | #define PGM_PER 0x80 | |
361 | #define PGM_CRYPTO_OPERATION 0x119 | |
ba5c1e9b | 362 | |
c0e6159d JF |
363 | /* irq types in order of priority */ |
364 | enum irq_types { | |
365 | IRQ_PEND_MCHK_EX = 0, | |
366 | IRQ_PEND_SVC, | |
367 | IRQ_PEND_PROG, | |
368 | IRQ_PEND_MCHK_REP, | |
369 | IRQ_PEND_EXT_IRQ_KEY, | |
370 | IRQ_PEND_EXT_MALFUNC, | |
371 | IRQ_PEND_EXT_EMERGENCY, | |
372 | IRQ_PEND_EXT_EXTERNAL, | |
373 | IRQ_PEND_EXT_CLOCK_COMP, | |
374 | IRQ_PEND_EXT_CPU_TIMER, | |
375 | IRQ_PEND_EXT_TIMING, | |
376 | IRQ_PEND_EXT_SERVICE, | |
377 | IRQ_PEND_EXT_HOST, | |
378 | IRQ_PEND_PFAULT_INIT, | |
379 | IRQ_PEND_PFAULT_DONE, | |
380 | IRQ_PEND_VIRTIO, | |
381 | IRQ_PEND_IO_ISC_0, | |
382 | IRQ_PEND_IO_ISC_1, | |
383 | IRQ_PEND_IO_ISC_2, | |
384 | IRQ_PEND_IO_ISC_3, | |
385 | IRQ_PEND_IO_ISC_4, | |
386 | IRQ_PEND_IO_ISC_5, | |
387 | IRQ_PEND_IO_ISC_6, | |
388 | IRQ_PEND_IO_ISC_7, | |
389 | IRQ_PEND_SIGP_STOP, | |
390 | IRQ_PEND_RESTART, | |
391 | IRQ_PEND_SET_PREFIX, | |
392 | IRQ_PEND_COUNT | |
393 | }; | |
394 | ||
6d3da241 JF |
395 | /* We have 2M for virtio device descriptor pages. Smallest amount of |
396 | * memory per page is 24 bytes (1 queue), so (2048*1024) / 24 = 87381 | |
397 | */ | |
398 | #define KVM_S390_MAX_VIRTIO_IRQS 87381 | |
399 | ||
c0e6159d JF |
400 | /* |
401 | * Repressible (non-floating) machine check interrupts | |
402 | * subclass bits in MCIC | |
403 | */ | |
404 | #define MCHK_EXTD_BIT 58 | |
405 | #define MCHK_DEGR_BIT 56 | |
406 | #define MCHK_WARN_BIT 55 | |
407 | #define MCHK_REP_MASK ((1UL << MCHK_DEGR_BIT) | \ | |
408 | (1UL << MCHK_EXTD_BIT) | \ | |
409 | (1UL << MCHK_WARN_BIT)) | |
410 | ||
411 | /* Exigent machine check interrupts subclass bits in MCIC */ | |
412 | #define MCHK_SD_BIT 63 | |
413 | #define MCHK_PD_BIT 62 | |
414 | #define MCHK_EX_MASK ((1UL << MCHK_SD_BIT) | (1UL << MCHK_PD_BIT)) | |
415 | ||
416 | #define IRQ_PEND_EXT_MASK ((1UL << IRQ_PEND_EXT_IRQ_KEY) | \ | |
417 | (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \ | |
418 | (1UL << IRQ_PEND_EXT_CPU_TIMER) | \ | |
419 | (1UL << IRQ_PEND_EXT_MALFUNC) | \ | |
420 | (1UL << IRQ_PEND_EXT_EMERGENCY) | \ | |
421 | (1UL << IRQ_PEND_EXT_EXTERNAL) | \ | |
422 | (1UL << IRQ_PEND_EXT_TIMING) | \ | |
423 | (1UL << IRQ_PEND_EXT_HOST) | \ | |
424 | (1UL << IRQ_PEND_EXT_SERVICE) | \ | |
425 | (1UL << IRQ_PEND_VIRTIO) | \ | |
426 | (1UL << IRQ_PEND_PFAULT_INIT) | \ | |
427 | (1UL << IRQ_PEND_PFAULT_DONE)) | |
428 | ||
429 | #define IRQ_PEND_IO_MASK ((1UL << IRQ_PEND_IO_ISC_0) | \ | |
430 | (1UL << IRQ_PEND_IO_ISC_1) | \ | |
431 | (1UL << IRQ_PEND_IO_ISC_2) | \ | |
432 | (1UL << IRQ_PEND_IO_ISC_3) | \ | |
433 | (1UL << IRQ_PEND_IO_ISC_4) | \ | |
434 | (1UL << IRQ_PEND_IO_ISC_5) | \ | |
435 | (1UL << IRQ_PEND_IO_ISC_6) | \ | |
436 | (1UL << IRQ_PEND_IO_ISC_7)) | |
437 | ||
438 | #define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \ | |
439 | (1UL << IRQ_PEND_MCHK_EX)) | |
440 | ||
180c12fb | 441 | struct kvm_s390_interrupt_info { |
ba5c1e9b CO |
442 | struct list_head list; |
443 | u64 type; | |
444 | union { | |
180c12fb CB |
445 | struct kvm_s390_io_info io; |
446 | struct kvm_s390_ext_info ext; | |
447 | struct kvm_s390_pgm_info pgm; | |
8bb3a2eb | 448 | struct kvm_s390_emerg_info emerg; |
7697e71f | 449 | struct kvm_s390_extcall_info extcall; |
180c12fb | 450 | struct kvm_s390_prefix_info prefix; |
2822545f | 451 | struct kvm_s390_stop_info stop; |
48a3e950 | 452 | struct kvm_s390_mchk_info mchk; |
ba5c1e9b CO |
453 | }; |
454 | }; | |
455 | ||
c0e6159d JF |
456 | struct kvm_s390_irq_payload { |
457 | struct kvm_s390_io_info io; | |
458 | struct kvm_s390_ext_info ext; | |
459 | struct kvm_s390_pgm_info pgm; | |
460 | struct kvm_s390_emerg_info emerg; | |
461 | struct kvm_s390_extcall_info extcall; | |
462 | struct kvm_s390_prefix_info prefix; | |
2822545f | 463 | struct kvm_s390_stop_info stop; |
c0e6159d JF |
464 | struct kvm_s390_mchk_info mchk; |
465 | }; | |
466 | ||
180c12fb | 467 | struct kvm_s390_local_interrupt { |
ba5c1e9b | 468 | spinlock_t lock; |
180c12fb | 469 | struct kvm_s390_float_interrupt *float_int; |
d0321a24 | 470 | wait_queue_head_t *wq; |
5288fbf0 | 471 | atomic_t *cpuflags; |
c0e6159d JF |
472 | DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS); |
473 | struct kvm_s390_irq_payload irq; | |
474 | unsigned long pending_irqs; | |
ba5c1e9b CO |
475 | }; |
476 | ||
6d3da241 JF |
477 | #define FIRQ_LIST_IO_ISC_0 0 |
478 | #define FIRQ_LIST_IO_ISC_1 1 | |
479 | #define FIRQ_LIST_IO_ISC_2 2 | |
480 | #define FIRQ_LIST_IO_ISC_3 3 | |
481 | #define FIRQ_LIST_IO_ISC_4 4 | |
482 | #define FIRQ_LIST_IO_ISC_5 5 | |
483 | #define FIRQ_LIST_IO_ISC_6 6 | |
484 | #define FIRQ_LIST_IO_ISC_7 7 | |
485 | #define FIRQ_LIST_PFAULT 8 | |
486 | #define FIRQ_LIST_VIRTIO 9 | |
487 | #define FIRQ_LIST_COUNT 10 | |
488 | #define FIRQ_CNTR_IO 0 | |
489 | #define FIRQ_CNTR_SERVICE 1 | |
490 | #define FIRQ_CNTR_VIRTIO 2 | |
491 | #define FIRQ_CNTR_PFAULT 3 | |
492 | #define FIRQ_MAX_COUNT 4 | |
493 | ||
180c12fb | 494 | struct kvm_s390_float_interrupt { |
6d3da241 | 495 | unsigned long pending_irqs; |
ba5c1e9b | 496 | spinlock_t lock; |
6d3da241 JF |
497 | struct list_head lists[FIRQ_LIST_COUNT]; |
498 | int counters[FIRQ_MAX_COUNT]; | |
499 | struct kvm_s390_mchk_info mchk; | |
500 | struct kvm_s390_ext_info srv_signal; | |
ba5c1e9b | 501 | int next_rr_cpu; |
609433fb | 502 | unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)]; |
ba5c1e9b CO |
503 | }; |
504 | ||
27291e21 DH |
505 | struct kvm_hw_wp_info_arch { |
506 | unsigned long addr; | |
507 | unsigned long phys_addr; | |
508 | int len; | |
509 | char *old_data; | |
510 | }; | |
511 | ||
512 | struct kvm_hw_bp_info_arch { | |
513 | unsigned long addr; | |
514 | int len; | |
515 | }; | |
516 | ||
517 | /* | |
518 | * Only the upper 16 bits of kvm_guest_debug->control are arch specific. | |
519 | * Further KVM_GUESTDBG flags which an be used from userspace can be found in | |
520 | * arch/s390/include/uapi/asm/kvm.h | |
521 | */ | |
522 | #define KVM_GUESTDBG_EXIT_PENDING 0x10000000 | |
523 | ||
524 | #define guestdbg_enabled(vcpu) \ | |
525 | (vcpu->guest_debug & KVM_GUESTDBG_ENABLE) | |
526 | #define guestdbg_sstep_enabled(vcpu) \ | |
527 | (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) | |
528 | #define guestdbg_hw_bp_enabled(vcpu) \ | |
529 | (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) | |
530 | #define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \ | |
531 | (vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING)) | |
532 | ||
533 | struct kvm_guestdbg_info_arch { | |
534 | unsigned long cr0; | |
535 | unsigned long cr9; | |
536 | unsigned long cr10; | |
537 | unsigned long cr11; | |
538 | struct kvm_hw_bp_info_arch *hw_bp_info; | |
539 | struct kvm_hw_wp_info_arch *hw_wp_info; | |
540 | int nr_hw_bp; | |
541 | int nr_hw_wp; | |
542 | unsigned long last_bp; | |
543 | }; | |
ba5c1e9b | 544 | |
b0c632db | 545 | struct kvm_vcpu_arch { |
180c12fb | 546 | struct kvm_s390_sie_block *sie_block; |
b0c632db | 547 | unsigned int host_acrs[NUM_ACRS]; |
9977e886 | 548 | struct fpu host_fpregs; |
180c12fb | 549 | struct kvm_s390_local_interrupt local_int; |
ca872302 | 550 | struct hrtimer ckc_timer; |
1b0462e5 | 551 | struct kvm_s390_pgm_info pgm; |
453423dc | 552 | union { |
e86a6ed6 HC |
553 | struct cpuid cpu_id; |
554 | u64 stidp_data; | |
453423dc | 555 | }; |
598841ca | 556 | struct gmap *gmap; |
27291e21 | 557 | struct kvm_guestdbg_info_arch guestdbg; |
3c038e6b DD |
558 | unsigned long pfault_token; |
559 | unsigned long pfault_select; | |
560 | unsigned long pfault_compare; | |
b0c632db HC |
561 | }; |
562 | ||
563 | struct kvm_vm_stat { | |
564 | u32 remote_tlb_flush; | |
565 | }; | |
566 | ||
db3fe4eb TY |
567 | struct kvm_arch_memory_slot { |
568 | }; | |
569 | ||
841b91c5 CH |
570 | struct s390_map_info { |
571 | struct list_head list; | |
572 | __u64 guest_addr; | |
573 | __u64 addr; | |
574 | struct page *page; | |
575 | }; | |
576 | ||
577 | struct s390_io_adapter { | |
578 | unsigned int id; | |
579 | int isc; | |
580 | bool maskable; | |
581 | bool masked; | |
582 | bool swap; | |
583 | struct rw_semaphore maps_lock; | |
584 | struct list_head maps; | |
585 | atomic_t nr_maps; | |
586 | }; | |
587 | ||
588 | #define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8) | |
589 | #define MAX_S390_ADAPTER_MAPS 256 | |
590 | ||
9d8d5786 MM |
591 | /* maximum size of facilities and facility mask is 2k bytes */ |
592 | #define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11) | |
593 | #define S390_ARCH_FAC_LIST_SIZE_U64 \ | |
594 | (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64)) | |
595 | #define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE | |
596 | #define S390_ARCH_FAC_MASK_SIZE_U64 \ | |
597 | (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64)) | |
598 | ||
981467c9 MM |
599 | struct kvm_s390_fac { |
600 | /* facility list requested by guest */ | |
601 | __u64 list[S390_ARCH_FAC_LIST_SIZE_U64]; | |
602 | /* facility mask supported by kvm & hosting machine */ | |
603 | __u64 mask[S390_ARCH_FAC_LIST_SIZE_U64]; | |
9d8d5786 MM |
604 | }; |
605 | ||
606 | struct kvm_s390_cpu_model { | |
981467c9 | 607 | struct kvm_s390_fac *fac; |
9d8d5786 | 608 | struct cpuid cpu_id; |
658b6eda | 609 | unsigned short ibc; |
9d8d5786 MM |
610 | }; |
611 | ||
5102ee87 TK |
612 | struct kvm_s390_crypto { |
613 | struct kvm_s390_crypto_cb *crycb; | |
614 | __u32 crycbd; | |
a374e892 TK |
615 | __u8 aes_kw; |
616 | __u8 dea_kw; | |
5102ee87 TK |
617 | }; |
618 | ||
619 | struct kvm_s390_crypto_cb { | |
a374e892 TK |
620 | __u8 reserved00[72]; /* 0x0000 */ |
621 | __u8 dea_wrapping_key_mask[24]; /* 0x0048 */ | |
622 | __u8 aes_wrapping_key_mask[32]; /* 0x0060 */ | |
45c9b47c | 623 | __u8 reserved80[128]; /* 0x0080 */ |
5102ee87 TK |
624 | }; |
625 | ||
b0c632db | 626 | struct kvm_arch{ |
7d43bafc ED |
627 | void *sca; |
628 | int use_esca; | |
5e044315 | 629 | rwlock_t sca_lock; |
b0c632db | 630 | debug_info_t *dbf; |
180c12fb | 631 | struct kvm_s390_float_interrupt float_int; |
c05c4186 | 632 | struct kvm_device *flic; |
598841ca | 633 | struct gmap *gmap; |
a3a92c31 | 634 | unsigned long mem_limit; |
fa6b7fe9 | 635 | int css_support; |
84223598 | 636 | int use_irqchip; |
b31605c1 | 637 | int use_cmma; |
6352e4d2 | 638 | int user_cpu_state_ctrl; |
2444b352 | 639 | int user_sigp; |
e44fc8c9 | 640 | int user_stsi; |
841b91c5 | 641 | struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS]; |
8a242234 | 642 | wait_queue_head_t ipte_wq; |
a6b7e459 TH |
643 | int ipte_lock_count; |
644 | struct mutex ipte_mutex; | |
8ad35755 | 645 | spinlock_t start_stop_lock; |
9d8d5786 | 646 | struct kvm_s390_cpu_model model; |
5102ee87 | 647 | struct kvm_s390_crypto crypto; |
72f25020 | 648 | u64 epoch; |
b0c632db HC |
649 | }; |
650 | ||
bf640876 DD |
651 | #define KVM_HVA_ERR_BAD (-1UL) |
652 | #define KVM_HVA_ERR_RO_BAD (-2UL) | |
653 | ||
654 | static inline bool kvm_is_error_hva(unsigned long addr) | |
655 | { | |
656 | return IS_ERR_VALUE(addr); | |
657 | } | |
658 | ||
3c038e6b | 659 | #define ASYNC_PF_PER_VCPU 64 |
3c038e6b DD |
660 | struct kvm_arch_async_pf { |
661 | unsigned long pfault_token; | |
662 | }; | |
663 | ||
664 | bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); | |
665 | ||
666 | void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, | |
667 | struct kvm_async_pf *work); | |
668 | ||
669 | void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, | |
670 | struct kvm_async_pf *work); | |
671 | ||
672 | void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, | |
673 | struct kvm_async_pf *work); | |
674 | ||
5a32c1af | 675 | extern int sie64a(struct kvm_s390_sie_block *, u64 *); |
b764bb1c | 676 | extern char sie_exit; |
0865e636 | 677 | |
13a34e06 | 678 | static inline void kvm_arch_hardware_disable(void) {} |
0865e636 | 679 | static inline void kvm_arch_check_processor_compat(void *rtn) {} |
0865e636 RK |
680 | static inline void kvm_arch_sync_events(struct kvm *kvm) {} |
681 | static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} | |
682 | static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} | |
683 | static inline void kvm_arch_free_memslot(struct kvm *kvm, | |
684 | struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {} | |
15f46015 | 685 | static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} |
0865e636 RK |
686 | static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} |
687 | static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm, | |
688 | struct kvm_memory_slot *slot) {} | |
3217f7c2 CD |
689 | static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} |
690 | static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} | |
0865e636 | 691 | |
b0c632db | 692 | #endif |