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