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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
16uint32_t kvmppc_get_tbfreq(void);
17uint64_t kvmppc_get_clockfreq(void);
18bool kvmppc_get_host_model(char **buf);
19bool kvmppc_get_host_serial(char **buf);
20int kvmppc_get_hasidle(CPUPPCState *env);
21int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
22int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
23void kvmppc_enable_logical_ci_hcalls(void);
24void kvmppc_enable_set_mode_hcall(void);
25void kvmppc_enable_clear_ref_mod_hcalls(void);
26void kvmppc_set_papr(PowerPCCPU *cpu);
27int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr);
28void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
29int kvmppc_smt_threads(void);
30void kvmppc_hint_smt_possible(Error **errp);
31int kvmppc_set_smt_threads(int smt);
32int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
33int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
34int kvmppc_set_tcr(PowerPCCPU *cpu);
35int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu);
36target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
37 bool radix, bool gtse,
38 uint64_t proc_tbl);
39#ifndef CONFIG_USER_ONLY
40bool kvmppc_spapr_use_multitce(void);
41int kvmppc_spapr_enable_inkernel_multitce(void);
42void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
43 uint64_t bus_offset, uint32_t nb_table,
44 int *pfd, bool need_vfio);
45int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
46int kvmppc_reset_htab(int shift_hint);
47uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
48bool kvmppc_has_cap_spapr_vfio(void);
49#endif
50bool kvmppc_has_cap_epr(void);
51int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
52int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp);
53int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
54int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
55 uint16_t n_valid, uint16_t n_invalid);
56void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, hwaddr ptex, int n);
57void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1);
58bool kvmppc_has_cap_fixup_hcalls(void);
59bool kvmppc_has_cap_htm(void);
60bool kvmppc_has_cap_mmu_radix(void);
61bool kvmppc_has_cap_mmu_hash_v3(void);
62int kvmppc_get_cap_safe_cache(void);
63int kvmppc_get_cap_safe_bounds_check(void);
64int kvmppc_get_cap_safe_indirect_branch(void);
65int kvmppc_enable_hwrng(void);
66int kvmppc_put_books_sregs(PowerPCCPU *cpu);
67PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
68void kvmppc_check_papr_resize_hpt(Error **errp);
69int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift);
70int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift);
71bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu);
72
73bool kvmppc_hpt_needs_host_contiguous_pages(void);
74void kvm_check_mmu(PowerPCCPU *cpu, Error **errp);
75
76#else
77
78static inline uint32_t kvmppc_get_tbfreq(void)
79{
80 return 0;
81}
82
83static inline bool kvmppc_get_host_model(char **buf)
84{
85 return false;
86}
87
88static inline bool kvmppc_get_host_serial(char **buf)
89{
90 return false;
91}
92
93static inline uint64_t kvmppc_get_clockfreq(void)
94{
95 return 0;
96}
97
98static inline uint32_t kvmppc_get_vmx(void)
99{
100 return 0;
101}
102
103static inline uint32_t kvmppc_get_dfp(void)
104{
105 return 0;
106}
107
108static inline int kvmppc_get_hasidle(CPUPPCState *env)
109{
110 return 0;
111}
112
113static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
114{
115 return -1;
116}
117
118static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
119{
120 return -1;
121}
122
123static inline void kvmppc_enable_logical_ci_hcalls(void)
124{
125}
126
127static inline void kvmppc_enable_set_mode_hcall(void)
128{
129}
130
131static inline void kvmppc_enable_clear_ref_mod_hcalls(void)
132{
133}
134
135static inline void kvmppc_set_papr(PowerPCCPU *cpu)
136{
137}
138
139static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr)
140{
141 return 0;
142}
143
144static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
145{
146}
147
148static inline int kvmppc_smt_threads(void)
149{
150 return 1;
151}
152
153static inline void kvmppc_hint_smt_possible(Error **errp)
154{
155 return;
156}
157
158static inline int kvmppc_set_smt_threads(int smt)
159{
160 return 0;
161}
162
163static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
164{
165 return 0;
166}
167
168static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
169{
170 return 0;
171}
172
173static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
174{
175 return 0;
176}
177
178static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
179{
180 return -1;
181}
182
183static inline target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
184 bool radix, bool gtse,
185 uint64_t proc_tbl)
186{
187 return 0;
188}
189
190#ifndef CONFIG_USER_ONLY
191static inline bool kvmppc_spapr_use_multitce(void)
192{
193 return false;
194}
195
196static inline int kvmppc_spapr_enable_inkernel_multitce(void)
197{
198 return -1;
199}
200
201static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
202 uint64_t bus_offset,
203 uint32_t nb_table,
204 int *pfd, bool need_vfio)
205{
206 return NULL;
207}
208
209static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
210 uint32_t nb_table)
211{
212 return -1;
213}
214
215static inline int kvmppc_reset_htab(int shift_hint)
216{
217 return 0;
218}
219
220static inline uint64_t kvmppc_rma_size(uint64_t current_size,
221 unsigned int hash_shift)
222{
223 return ram_size;
224}
225
226static inline bool kvmppc_hpt_needs_host_contiguous_pages(void)
227{
228 return false;
229}
230
231static inline void kvm_check_mmu(PowerPCCPU *cpu, Error **errp)
232{
233}
234
235static inline bool kvmppc_has_cap_spapr_vfio(void)
236{
237 return false;
238}
239
240#endif
241
242static inline bool kvmppc_has_cap_epr(void)
243{
244 return false;
245}
246
247static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
248 const char *function)
249{
250 return -1;
251}
252
253static inline int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp)
254{
255 return -1;
256}
257
258static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
259 int64_t max_ns)
260{
261 abort();
262}
263
264static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
265 uint16_t n_valid, uint16_t n_invalid)
266{
267 abort();
268}
269
270static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes,
271 hwaddr ptex, int n)
272{
273 abort();
274}
275
276static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1)
277{
278 abort();
279}
280
281static inline bool kvmppc_has_cap_fixup_hcalls(void)
282{
283 abort();
284}
285
286static inline bool kvmppc_has_cap_htm(void)
287{
288 return false;
289}
290
291static inline bool kvmppc_has_cap_mmu_radix(void)
292{
293 return false;
294}
295
296static inline bool kvmppc_has_cap_mmu_hash_v3(void)
297{
298 return false;
299}
300
301static inline int kvmppc_get_cap_safe_cache(void)
302{
303 return 0;
304}
305
306static inline int kvmppc_get_cap_safe_bounds_check(void)
307{
308 return 0;
309}
310
311static inline int kvmppc_get_cap_safe_indirect_branch(void)
312{
313 return 0;
314}
315
316static inline int kvmppc_enable_hwrng(void)
317{
318 return -1;
319}
320
321static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu)
322{
323 abort();
324}
325
326static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
327{
328 return NULL;
329}
330
331static inline void kvmppc_check_papr_resize_hpt(Error **errp)
332{
333 return;
334}
335
336static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu,
337 target_ulong flags, int shift)
338{
339 return -ENOSYS;
340}
341
342static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu,
343 target_ulong flags, int shift)
344{
345 return -ENOSYS;
346}
347
348#endif
349
350#ifndef CONFIG_KVM
351
352#define kvmppc_eieio() do { } while (0)
353
354static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
355{
356}
357
358static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
359{
360}
361
362#else
363
364#define kvmppc_eieio() \
365 do { \
366 if (kvm_enabled()) { \
367 asm volatile("eieio" : : : "memory"); \
368 } \
369 } while (0)
370
371
372static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
373{
374 uint8_t *p;
375
376 for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
377 asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
378 }
379}
380
381
382static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
383{
384 uint8_t *p;
385
386 for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
387 asm volatile("icbi 0,%0" : : "r"(p));
388 }
389}
390
391#endif
392
393#endif
394