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