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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);
49bool kvmppc_has_cap_spapr_vfio(void);
50#endif
51bool kvmppc_has_cap_epr(void);
52int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
53int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp);
54int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
55int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
56 uint16_t n_valid, uint16_t n_invalid);
57void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, hwaddr ptex, int n);
58void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1);
59bool kvmppc_has_cap_fixup_hcalls(void);
60bool kvmppc_has_cap_htm(void);
61bool kvmppc_has_cap_mmu_radix(void);
62bool kvmppc_has_cap_mmu_hash_v3(void);
63int kvmppc_get_cap_safe_cache(void);
64int kvmppc_get_cap_safe_bounds_check(void);
65int kvmppc_get_cap_safe_indirect_branch(void);
66int kvmppc_enable_hwrng(void);
67int kvmppc_put_books_sregs(PowerPCCPU *cpu);
68PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
69void kvmppc_check_papr_resize_hpt(Error **errp);
70int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift);
71int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift);
72bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu);
73
74bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path);
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 off_t kvmppc_alloc_rma(void **rma)
192{
193 return 0;
194}
195
196static inline bool kvmppc_spapr_use_multitce(void)
197{
198 return false;
199}
200
201static inline int kvmppc_spapr_enable_inkernel_multitce(void)
202{
203 return -1;
204}
205
206static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
207 uint64_t bus_offset,
208 uint32_t nb_table,
209 int *pfd, bool need_vfio)
210{
211 return NULL;
212}
213
214static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
215 uint32_t nb_table)
216{
217 return -1;
218}
219
220static inline int kvmppc_reset_htab(int shift_hint)
221{
222 return 0;
223}
224
225static inline uint64_t kvmppc_rma_size(uint64_t current_size,
226 unsigned int hash_shift)
227{
228 return ram_size;
229}
230
231static inline bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path)
232{
233 return true;
234}
235
236static inline bool kvmppc_has_cap_spapr_vfio(void)
237{
238 return false;
239}
240
241#endif
242
243static inline bool kvmppc_has_cap_epr(void)
244{
245 return false;
246}
247
248static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
249 const char *function)
250{
251 return -1;
252}
253
254static inline int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp)
255{
256 return -1;
257}
258
259static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
260 int64_t max_ns)
261{
262 abort();
263}
264
265static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
266 uint16_t n_valid, uint16_t n_invalid)
267{
268 abort();
269}
270
271static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes,
272 hwaddr ptex, int n)
273{
274 abort();
275}
276
277static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1)
278{
279 abort();
280}
281
282static inline bool kvmppc_has_cap_fixup_hcalls(void)
283{
284 abort();
285}
286
287static inline bool kvmppc_has_cap_htm(void)
288{
289 return false;
290}
291
292static inline bool kvmppc_has_cap_mmu_radix(void)
293{
294 return false;
295}
296
297static inline bool kvmppc_has_cap_mmu_hash_v3(void)
298{
299 return false;
300}
301
302static inline int kvmppc_get_cap_safe_cache(void)
303{
304 return 0;
305}
306
307static inline int kvmppc_get_cap_safe_bounds_check(void)
308{
309 return 0;
310}
311
312static inline int kvmppc_get_cap_safe_indirect_branch(void)
313{
314 return 0;
315}
316
317static inline int kvmppc_enable_hwrng(void)
318{
319 return -1;
320}
321
322static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu)
323{
324 abort();
325}
326
327static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
328{
329 return NULL;
330}
331
332static inline void kvmppc_check_papr_resize_hpt(Error **errp)
333{
334 return;
335}
336
337static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu,
338 target_ulong flags, int shift)
339{
340 return -ENOSYS;
341}
342
343static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu,
344 target_ulong flags, int shift)
345{
346 return -ENOSYS;
347}
348
349#endif
350
351#ifndef CONFIG_KVM
352
353#define kvmppc_eieio() do { } while (0)
354
355static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
356{
357}
358
359static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
360{
361}
362
363#else
364
365#define kvmppc_eieio() \
366 do { \
367 if (kvm_enabled()) { \
368 asm volatile("eieio" : : : "memory"); \
369 } \
370 } while (0)
371
372
373static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
374{
375 uint8_t *p;
376
377 for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
378 asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
379 }
380}
381
382
383static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
384{
385 uint8_t *p;
386
387 for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
388 asm volatile("icbi 0,%0" : : "r"(p));
389 }
390}
391
392#endif
393
394#endif
395