configure: fix --meson=/path/to/meson
[qemu.git] / target / ppc / kvm_ppc.h
1 /*
2 * Copyright 2008 IBM Corporation.
3 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
4 *
5 * This work is licensed under the GNU GPL license version 2 or later.
6 *
7 */
8
9 #ifndef KVM_PPC_H
10 #define KVM_PPC_H
11
12 #define TYPE_HOST_POWERPC_CPU POWERPC_CPU_TYPE_NAME("host")
13
14 #ifdef CONFIG_KVM
15
16 uint32_t kvmppc_get_tbfreq(void);
17 uint64_t kvmppc_get_clockfreq(void);
18 bool kvmppc_get_host_model(char **buf);
19 bool kvmppc_get_host_serial(char **buf);
20 int kvmppc_get_hasidle(CPUPPCState *env);
21 int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
22 int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
23 void kvmppc_enable_logical_ci_hcalls(void);
24 void kvmppc_enable_set_mode_hcall(void);
25 void kvmppc_enable_clear_ref_mod_hcalls(void);
26 void kvmppc_enable_h_page_init(void);
27 void kvmppc_set_papr(PowerPCCPU *cpu);
28 int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr);
29 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
30 bool kvmppc_get_fwnmi(void);
31 int kvmppc_set_fwnmi(PowerPCCPU *cpu);
32 int kvmppc_smt_threads(void);
33 void kvmppc_error_append_smt_possible_hint(Error *const *errp);
34 int kvmppc_set_smt_threads(int smt);
35 int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
36 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
37 int kvmppc_set_tcr(PowerPCCPU *cpu);
38 int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu);
39 target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
40 bool radix, bool gtse,
41 uint64_t proc_tbl);
42 void kvmppc_svm_off(Error **errp);
43 #ifndef CONFIG_USER_ONLY
44 bool kvmppc_spapr_use_multitce(void);
45 int kvmppc_spapr_enable_inkernel_multitce(void);
46 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
47 uint64_t bus_offset, uint32_t nb_table,
48 int *pfd, bool need_vfio);
49 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
50 int kvmppc_reset_htab(int shift_hint);
51 uint64_t kvmppc_vrma_limit(unsigned int hash_shift);
52 bool kvmppc_has_cap_spapr_vfio(void);
53 #endif /* !CONFIG_USER_ONLY */
54 bool kvmppc_has_cap_epr(void);
55 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
56 int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp);
57 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
58 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
59 uint16_t n_valid, uint16_t n_invalid);
60 void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, hwaddr ptex, int n);
61 void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1);
62 bool kvmppc_has_cap_fixup_hcalls(void);
63 bool kvmppc_has_cap_htm(void);
64 bool kvmppc_has_cap_mmu_radix(void);
65 bool kvmppc_has_cap_mmu_hash_v3(void);
66 bool kvmppc_has_cap_xive(void);
67 int kvmppc_get_cap_safe_cache(void);
68 int kvmppc_get_cap_safe_bounds_check(void);
69 int kvmppc_get_cap_safe_indirect_branch(void);
70 int kvmppc_get_cap_count_cache_flush_assist(void);
71 bool kvmppc_has_cap_nested_kvm_hv(void);
72 int kvmppc_set_cap_nested_kvm_hv(int enable);
73 int kvmppc_get_cap_large_decr(void);
74 int kvmppc_enable_cap_large_decr(PowerPCCPU *cpu, int enable);
75 int kvmppc_enable_hwrng(void);
76 int kvmppc_put_books_sregs(PowerPCCPU *cpu);
77 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
78 void kvmppc_check_papr_resize_hpt(Error **errp);
79 int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift);
80 int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift);
81 bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu);
82
83 bool kvmppc_hpt_needs_host_contiguous_pages(void);
84 void kvm_check_mmu(PowerPCCPU *cpu, Error **errp);
85 void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online);
86 void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset);
87
88 int kvm_handle_nmi(PowerPCCPU *cpu, struct kvm_run *run);
89
90 #else
91
92 static inline uint32_t kvmppc_get_tbfreq(void)
93 {
94 return 0;
95 }
96
97 static inline bool kvmppc_get_host_model(char **buf)
98 {
99 return false;
100 }
101
102 static inline bool kvmppc_get_host_serial(char **buf)
103 {
104 return false;
105 }
106
107 static inline uint64_t kvmppc_get_clockfreq(void)
108 {
109 return 0;
110 }
111
112 static inline uint32_t kvmppc_get_vmx(void)
113 {
114 return 0;
115 }
116
117 static inline uint32_t kvmppc_get_dfp(void)
118 {
119 return 0;
120 }
121
122 static inline int kvmppc_get_hasidle(CPUPPCState *env)
123 {
124 return 0;
125 }
126
127 static inline int kvmppc_get_hypercall(CPUPPCState *env,
128 uint8_t *buf, int buf_len)
129 {
130 return -1;
131 }
132
133 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
134 {
135 return -1;
136 }
137
138 static inline void kvmppc_enable_logical_ci_hcalls(void)
139 {
140 }
141
142 static inline void kvmppc_enable_set_mode_hcall(void)
143 {
144 }
145
146 static inline void kvmppc_enable_clear_ref_mod_hcalls(void)
147 {
148 }
149
150 static inline void kvmppc_enable_h_page_init(void)
151 {
152 }
153
154 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
155 {
156 }
157
158 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr)
159 {
160 return 0;
161 }
162
163 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
164 {
165 }
166
167 static inline bool kvmppc_get_fwnmi(void)
168 {
169 return false;
170 }
171
172 static inline int kvmppc_set_fwnmi(PowerPCCPU *cpu)
173 {
174 return -1;
175 }
176
177 static inline int kvmppc_smt_threads(void)
178 {
179 return 1;
180 }
181
182 static inline void kvmppc_error_append_smt_possible_hint(Error *const *errp)
183 {
184 return;
185 }
186
187 static inline int kvmppc_set_smt_threads(int smt)
188 {
189 return 0;
190 }
191
192 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
193 {
194 return 0;
195 }
196
197 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
198 {
199 return 0;
200 }
201
202 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
203 {
204 return 0;
205 }
206
207 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
208 {
209 return -1;
210 }
211
212 static inline target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
213 bool radix, bool gtse,
214 uint64_t proc_tbl)
215 {
216 return 0;
217 }
218
219 static inline void kvmppc_svm_off(Error **errp)
220 {
221 return;
222 }
223
224 static inline void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu,
225 unsigned int online)
226 {
227 return;
228 }
229
230 static inline void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset)
231 {
232 }
233
234 #ifndef CONFIG_USER_ONLY
235 static inline bool kvmppc_spapr_use_multitce(void)
236 {
237 return false;
238 }
239
240 static inline int kvmppc_spapr_enable_inkernel_multitce(void)
241 {
242 return -1;
243 }
244
245 static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
246 uint64_t bus_offset,
247 uint32_t nb_table,
248 int *pfd, bool need_vfio)
249 {
250 return NULL;
251 }
252
253 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
254 uint32_t nb_table)
255 {
256 return -1;
257 }
258
259 static inline int kvmppc_reset_htab(int shift_hint)
260 {
261 return 0;
262 }
263
264 static inline uint64_t kvmppc_vrma_limit(unsigned int hash_shift)
265 {
266 g_assert_not_reached();
267 }
268
269 static inline bool kvmppc_hpt_needs_host_contiguous_pages(void)
270 {
271 return false;
272 }
273
274 static inline void kvm_check_mmu(PowerPCCPU *cpu, Error **errp)
275 {
276 }
277
278 static inline bool kvmppc_has_cap_spapr_vfio(void)
279 {
280 return false;
281 }
282
283 static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes,
284 hwaddr ptex, int n)
285 {
286 abort();
287 }
288
289 static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1)
290 {
291 abort();
292 }
293
294 #endif /* !CONFIG_USER_ONLY */
295
296 static inline bool kvmppc_has_cap_epr(void)
297 {
298 return false;
299 }
300
301 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
302 const char *function)
303 {
304 return -1;
305 }
306
307 static inline int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp)
308 {
309 return -1;
310 }
311
312 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
313 int64_t max_ns)
314 {
315 abort();
316 }
317
318 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
319 uint16_t n_valid, uint16_t n_invalid)
320 {
321 abort();
322 }
323
324 static inline bool kvmppc_has_cap_fixup_hcalls(void)
325 {
326 abort();
327 }
328
329 static inline bool kvmppc_has_cap_htm(void)
330 {
331 return false;
332 }
333
334 static inline bool kvmppc_has_cap_mmu_radix(void)
335 {
336 return false;
337 }
338
339 static inline bool kvmppc_has_cap_mmu_hash_v3(void)
340 {
341 return false;
342 }
343
344 static inline bool kvmppc_has_cap_xive(void)
345 {
346 return false;
347 }
348
349 static inline int kvmppc_get_cap_safe_cache(void)
350 {
351 return 0;
352 }
353
354 static inline int kvmppc_get_cap_safe_bounds_check(void)
355 {
356 return 0;
357 }
358
359 static inline int kvmppc_get_cap_safe_indirect_branch(void)
360 {
361 return 0;
362 }
363
364 static inline int kvmppc_get_cap_count_cache_flush_assist(void)
365 {
366 return 0;
367 }
368
369 static inline bool kvmppc_has_cap_nested_kvm_hv(void)
370 {
371 return false;
372 }
373
374 static inline int kvmppc_set_cap_nested_kvm_hv(int enable)
375 {
376 return -1;
377 }
378
379 static inline int kvmppc_get_cap_large_decr(void)
380 {
381 return 0;
382 }
383
384 static inline int kvmppc_enable_cap_large_decr(PowerPCCPU *cpu, int enable)
385 {
386 return -1;
387 }
388
389 static inline int kvmppc_enable_hwrng(void)
390 {
391 return -1;
392 }
393
394 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu)
395 {
396 abort();
397 }
398
399 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
400 {
401 return NULL;
402 }
403
404 static inline void kvmppc_check_papr_resize_hpt(Error **errp)
405 {
406 return;
407 }
408
409 static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu,
410 target_ulong flags, int shift)
411 {
412 return -ENOSYS;
413 }
414
415 static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu,
416 target_ulong flags, int shift)
417 {
418 return -ENOSYS;
419 }
420
421 static inline bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu)
422 {
423 return false;
424 }
425
426 #endif
427
428 #ifndef CONFIG_KVM
429
430 #define kvmppc_eieio() do { } while (0)
431
432 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
433 {
434 }
435
436 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
437 {
438 }
439
440 #else /* CONFIG_KVM */
441
442 #define kvmppc_eieio() \
443 do { \
444 if (kvm_enabled()) { \
445 asm volatile("eieio" : : : "memory"); \
446 } \
447 } while (0)
448
449 /* Store data cache blocks back to memory */
450 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
451 {
452 uint8_t *p;
453
454 for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
455 asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
456 }
457 }
458
459 /* Invalidate instruction cache blocks */
460 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
461 {
462 uint8_t *p;
463
464 for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
465 asm volatile("icbi 0,%0" : : "r"(p));
466 }
467 }
468
469 #endif /* CONFIG_KVM */
470
471 #endif /* KVM_PPC_H */