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1 | /* | |
2 | * This program is free software; you can redistribute it and/or modify | |
3 | * it under the terms of the GNU General Public License, version 2, as | |
4 | * published by the Free Software Foundation. | |
5 | * | |
6 | * This program is distributed in the hope that it will be useful, | |
7 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
8 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
9 | * GNU General Public License for more details. | |
10 | * | |
11 | * You should have received a copy of the GNU General Public License | |
12 | * along with this program; if not, write to the Free Software | |
13 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
14 | * | |
15 | * Copyright IBM Corp. 2007 | |
16 | * | |
17 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> | |
18 | */ | |
19 | ||
20 | #ifndef __POWERPC_KVM_HOST_H__ | |
21 | #define __POWERPC_KVM_HOST_H__ | |
22 | ||
23 | #include <linux/mutex.h> | |
24 | #include <linux/hrtimer.h> | |
25 | #include <linux/interrupt.h> | |
26 | #include <linux/types.h> | |
27 | #include <linux/kvm_types.h> | |
28 | #include <linux/threads.h> | |
29 | #include <linux/spinlock.h> | |
30 | #include <linux/kvm_para.h> | |
31 | #include <linux/list.h> | |
32 | #include <linux/atomic.h> | |
33 | #include <asm/kvm_asm.h> | |
34 | #include <asm/processor.h> | |
35 | #include <asm/page.h> | |
36 | #include <asm/cacheflush.h> | |
37 | #include <asm/hvcall.h> | |
38 | ||
39 | #define KVM_MAX_VCPUS NR_CPUS | |
40 | #define KVM_MAX_VCORES NR_CPUS | |
41 | #define KVM_USER_MEM_SLOTS 32 | |
42 | #define KVM_MEM_SLOTS_NUM KVM_USER_MEM_SLOTS | |
43 | ||
44 | #ifdef CONFIG_KVM_MMIO | |
45 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 | |
46 | #endif | |
47 | ||
48 | /* These values are internal and can be increased later */ | |
49 | #define KVM_NR_IRQCHIPS 1 | |
50 | #define KVM_IRQCHIP_NUM_PINS 256 | |
51 | ||
52 | #include <linux/mmu_notifier.h> | |
53 | ||
54 | #define KVM_ARCH_WANT_MMU_NOTIFIER | |
55 | ||
56 | extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); | |
57 | extern int kvm_unmap_hva_range(struct kvm *kvm, | |
58 | unsigned long start, unsigned long end); | |
59 | extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); | |
60 | extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); | |
61 | extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); | |
62 | ||
63 | static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, | |
64 | unsigned long address) | |
65 | { | |
66 | } | |
67 | ||
68 | #define HPTEG_CACHE_NUM (1 << 15) | |
69 | #define HPTEG_HASH_BITS_PTE 13 | |
70 | #define HPTEG_HASH_BITS_PTE_LONG 12 | |
71 | #define HPTEG_HASH_BITS_VPTE 13 | |
72 | #define HPTEG_HASH_BITS_VPTE_LONG 5 | |
73 | #define HPTEG_HASH_BITS_VPTE_64K 11 | |
74 | #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) | |
75 | #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) | |
76 | #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) | |
77 | #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) | |
78 | #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) | |
79 | ||
80 | /* Physical Address Mask - allowed range of real mode RAM access */ | |
81 | #define KVM_PAM 0x0fffffffffffffffULL | |
82 | ||
83 | struct lppaca; | |
84 | struct slb_shadow; | |
85 | struct dtl_entry; | |
86 | ||
87 | struct kvmppc_vcpu_book3s; | |
88 | struct kvmppc_book3s_shadow_vcpu; | |
89 | ||
90 | struct kvm_vm_stat { | |
91 | u32 remote_tlb_flush; | |
92 | }; | |
93 | ||
94 | struct kvm_vcpu_stat { | |
95 | u32 sum_exits; | |
96 | u32 mmio_exits; | |
97 | u32 signal_exits; | |
98 | u32 light_exits; | |
99 | /* Account for special types of light exits: */ | |
100 | u32 itlb_real_miss_exits; | |
101 | u32 itlb_virt_miss_exits; | |
102 | u32 dtlb_real_miss_exits; | |
103 | u32 dtlb_virt_miss_exits; | |
104 | u32 syscall_exits; | |
105 | u32 isi_exits; | |
106 | u32 dsi_exits; | |
107 | u32 emulated_inst_exits; | |
108 | u32 dec_exits; | |
109 | u32 ext_intr_exits; | |
110 | u32 halt_successful_poll; | |
111 | u32 halt_wakeup; | |
112 | u32 dbell_exits; | |
113 | u32 gdbell_exits; | |
114 | u32 ld; | |
115 | u32 st; | |
116 | #ifdef CONFIG_PPC_BOOK3S | |
117 | u32 pf_storage; | |
118 | u32 pf_instruc; | |
119 | u32 sp_storage; | |
120 | u32 sp_instruc; | |
121 | u32 queue_intr; | |
122 | u32 ld_slow; | |
123 | u32 st_slow; | |
124 | #endif | |
125 | }; | |
126 | ||
127 | enum kvm_exit_types { | |
128 | MMIO_EXITS, | |
129 | SIGNAL_EXITS, | |
130 | ITLB_REAL_MISS_EXITS, | |
131 | ITLB_VIRT_MISS_EXITS, | |
132 | DTLB_REAL_MISS_EXITS, | |
133 | DTLB_VIRT_MISS_EXITS, | |
134 | SYSCALL_EXITS, | |
135 | ISI_EXITS, | |
136 | DSI_EXITS, | |
137 | EMULATED_INST_EXITS, | |
138 | EMULATED_MTMSRWE_EXITS, | |
139 | EMULATED_WRTEE_EXITS, | |
140 | EMULATED_MTSPR_EXITS, | |
141 | EMULATED_MFSPR_EXITS, | |
142 | EMULATED_MTMSR_EXITS, | |
143 | EMULATED_MFMSR_EXITS, | |
144 | EMULATED_TLBSX_EXITS, | |
145 | EMULATED_TLBWE_EXITS, | |
146 | EMULATED_RFI_EXITS, | |
147 | EMULATED_RFCI_EXITS, | |
148 | EMULATED_RFDI_EXITS, | |
149 | DEC_EXITS, | |
150 | EXT_INTR_EXITS, | |
151 | HALT_WAKEUP, | |
152 | USR_PR_INST, | |
153 | FP_UNAVAIL, | |
154 | DEBUG_EXITS, | |
155 | TIMEINGUEST, | |
156 | DBELL_EXITS, | |
157 | GDBELL_EXITS, | |
158 | __NUMBER_OF_KVM_EXIT_TYPES | |
159 | }; | |
160 | ||
161 | /* allow access to big endian 32bit upper/lower parts and 64bit var */ | |
162 | struct kvmppc_exit_timing { | |
163 | union { | |
164 | u64 tv64; | |
165 | struct { | |
166 | u32 tbu, tbl; | |
167 | } tv32; | |
168 | }; | |
169 | }; | |
170 | ||
171 | struct kvmppc_pginfo { | |
172 | unsigned long pfn; | |
173 | atomic_t refcnt; | |
174 | }; | |
175 | ||
176 | struct kvmppc_spapr_tce_table { | |
177 | struct list_head list; | |
178 | struct kvm *kvm; | |
179 | u64 liobn; | |
180 | u32 window_size; | |
181 | struct page *pages[0]; | |
182 | }; | |
183 | ||
184 | /* XICS components, defined in book3s_xics.c */ | |
185 | struct kvmppc_xics; | |
186 | struct kvmppc_icp; | |
187 | ||
188 | /* | |
189 | * The reverse mapping array has one entry for each HPTE, | |
190 | * which stores the guest's view of the second word of the HPTE | |
191 | * (including the guest physical address of the mapping), | |
192 | * plus forward and backward pointers in a doubly-linked ring | |
193 | * of HPTEs that map the same host page. The pointers in this | |
194 | * ring are 32-bit HPTE indexes, to save space. | |
195 | */ | |
196 | struct revmap_entry { | |
197 | unsigned long guest_rpte; | |
198 | unsigned int forw, back; | |
199 | }; | |
200 | ||
201 | /* | |
202 | * We use the top bit of each memslot->arch.rmap entry as a lock bit, | |
203 | * and bit 32 as a present flag. The bottom 32 bits are the | |
204 | * index in the guest HPT of a HPTE that points to the page. | |
205 | */ | |
206 | #define KVMPPC_RMAP_LOCK_BIT 63 | |
207 | #define KVMPPC_RMAP_RC_SHIFT 32 | |
208 | #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) | |
209 | #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) | |
210 | #define KVMPPC_RMAP_PRESENT 0x100000000ul | |
211 | #define KVMPPC_RMAP_INDEX 0xfffffffful | |
212 | ||
213 | struct kvm_arch_memory_slot { | |
214 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE | |
215 | unsigned long *rmap; | |
216 | #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ | |
217 | }; | |
218 | ||
219 | struct kvm_arch { | |
220 | unsigned int lpid; | |
221 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE | |
222 | unsigned long hpt_virt; | |
223 | struct revmap_entry *revmap; | |
224 | unsigned int host_lpid; | |
225 | unsigned long host_lpcr; | |
226 | unsigned long sdr1; | |
227 | unsigned long host_sdr1; | |
228 | int tlbie_lock; | |
229 | unsigned long lpcr; | |
230 | unsigned long rmor; | |
231 | struct kvm_rma_info *rma; | |
232 | unsigned long vrma_slb_v; | |
233 | int rma_setup_done; | |
234 | u32 hpt_order; | |
235 | atomic_t vcpus_running; | |
236 | u32 online_vcores; | |
237 | unsigned long hpt_npte; | |
238 | unsigned long hpt_mask; | |
239 | atomic_t hpte_mod_interest; | |
240 | cpumask_t need_tlb_flush; | |
241 | int hpt_cma_alloc; | |
242 | #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ | |
243 | #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE | |
244 | struct mutex hpt_mutex; | |
245 | #endif | |
246 | #ifdef CONFIG_PPC_BOOK3S_64 | |
247 | struct list_head spapr_tce_tables; | |
248 | struct list_head rtas_tokens; | |
249 | DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); | |
250 | #endif | |
251 | #ifdef CONFIG_KVM_MPIC | |
252 | struct openpic *mpic; | |
253 | #endif | |
254 | #ifdef CONFIG_KVM_XICS | |
255 | struct kvmppc_xics *xics; | |
256 | #endif | |
257 | struct kvmppc_ops *kvm_ops; | |
258 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE | |
259 | /* This array can grow quite large, keep it at the end */ | |
260 | struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; | |
261 | #endif | |
262 | }; | |
263 | ||
264 | /* | |
265 | * Struct for a virtual core. | |
266 | * Note: entry_exit_count combines an entry count in the bottom 8 bits | |
267 | * and an exit count in the next 8 bits. This is so that we can | |
268 | * atomically increment the entry count iff the exit count is 0 | |
269 | * without taking the lock. | |
270 | */ | |
271 | struct kvmppc_vcore { | |
272 | int n_runnable; | |
273 | int n_busy; | |
274 | int num_threads; | |
275 | int entry_exit_count; | |
276 | int n_woken; | |
277 | int nap_count; | |
278 | int napping_threads; | |
279 | int first_vcpuid; | |
280 | u16 pcpu; | |
281 | u16 last_cpu; | |
282 | u8 vcore_state; | |
283 | u8 in_guest; | |
284 | struct list_head runnable_threads; | |
285 | spinlock_t lock; | |
286 | wait_queue_head_t wq; | |
287 | spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ | |
288 | u64 stolen_tb; | |
289 | u64 preempt_tb; | |
290 | struct kvm_vcpu *runner; | |
291 | struct kvm *kvm; | |
292 | u64 tb_offset; /* guest timebase - host timebase */ | |
293 | ulong lpcr; | |
294 | u32 arch_compat; | |
295 | ulong pcr; | |
296 | ulong dpdes; /* doorbell state (POWER8) */ | |
297 | void *mpp_buffer; /* Micro Partition Prefetch buffer */ | |
298 | bool mpp_buffer_is_valid; | |
299 | ulong conferring_threads; | |
300 | }; | |
301 | ||
302 | #define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff) | |
303 | #define VCORE_EXIT_COUNT(vc) ((vc)->entry_exit_count >> 8) | |
304 | ||
305 | /* Values for vcore_state */ | |
306 | #define VCORE_INACTIVE 0 | |
307 | #define VCORE_SLEEPING 1 | |
308 | #define VCORE_STARTING 2 | |
309 | #define VCORE_RUNNING 3 | |
310 | #define VCORE_EXITING 4 | |
311 | ||
312 | /* | |
313 | * Struct used to manage memory for a virtual processor area | |
314 | * registered by a PAPR guest. There are three types of area | |
315 | * that a guest can register. | |
316 | */ | |
317 | struct kvmppc_vpa { | |
318 | unsigned long gpa; /* Current guest phys addr */ | |
319 | void *pinned_addr; /* Address in kernel linear mapping */ | |
320 | void *pinned_end; /* End of region */ | |
321 | unsigned long next_gpa; /* Guest phys addr for update */ | |
322 | unsigned long len; /* Number of bytes required */ | |
323 | u8 update_pending; /* 1 => update pinned_addr from next_gpa */ | |
324 | bool dirty; /* true => area has been modified by kernel */ | |
325 | }; | |
326 | ||
327 | struct kvmppc_pte { | |
328 | ulong eaddr; | |
329 | u64 vpage; | |
330 | ulong raddr; | |
331 | bool may_read : 1; | |
332 | bool may_write : 1; | |
333 | bool may_execute : 1; | |
334 | u8 page_size; /* MMU_PAGE_xxx */ | |
335 | }; | |
336 | ||
337 | struct kvmppc_mmu { | |
338 | /* book3s_64 only */ | |
339 | void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); | |
340 | u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
341 | u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
342 | void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
343 | void (*slbia)(struct kvm_vcpu *vcpu); | |
344 | /* book3s */ | |
345 | void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); | |
346 | u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); | |
347 | int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, | |
348 | struct kvmppc_pte *pte, bool data, bool iswrite); | |
349 | void (*reset_msr)(struct kvm_vcpu *vcpu); | |
350 | void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); | |
351 | int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); | |
352 | u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); | |
353 | bool (*is_dcbz32)(struct kvm_vcpu *vcpu); | |
354 | }; | |
355 | ||
356 | struct kvmppc_slb { | |
357 | u64 esid; | |
358 | u64 vsid; | |
359 | u64 orige; | |
360 | u64 origv; | |
361 | bool valid : 1; | |
362 | bool Ks : 1; | |
363 | bool Kp : 1; | |
364 | bool nx : 1; | |
365 | bool large : 1; /* PTEs are 16MB */ | |
366 | bool tb : 1; /* 1TB segment */ | |
367 | bool class : 1; | |
368 | u8 base_page_size; /* MMU_PAGE_xxx */ | |
369 | }; | |
370 | ||
371 | # ifdef CONFIG_PPC_FSL_BOOK3E | |
372 | #define KVMPPC_BOOKE_IAC_NUM 2 | |
373 | #define KVMPPC_BOOKE_DAC_NUM 2 | |
374 | # else | |
375 | #define KVMPPC_BOOKE_IAC_NUM 4 | |
376 | #define KVMPPC_BOOKE_DAC_NUM 2 | |
377 | # endif | |
378 | #define KVMPPC_BOOKE_MAX_IAC 4 | |
379 | #define KVMPPC_BOOKE_MAX_DAC 2 | |
380 | ||
381 | /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ | |
382 | #define KVMPPC_EPR_NONE 0 /* EPR not supported */ | |
383 | #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ | |
384 | #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ | |
385 | ||
386 | #define KVMPPC_IRQ_DEFAULT 0 | |
387 | #define KVMPPC_IRQ_MPIC 1 | |
388 | #define KVMPPC_IRQ_XICS 2 | |
389 | ||
390 | struct openpic; | |
391 | ||
392 | struct kvm_vcpu_arch { | |
393 | ulong host_stack; | |
394 | u32 host_pid; | |
395 | #ifdef CONFIG_PPC_BOOK3S | |
396 | struct kvmppc_slb slb[64]; | |
397 | int slb_max; /* 1 + index of last valid entry in slb[] */ | |
398 | int slb_nr; /* total number of entries in SLB */ | |
399 | struct kvmppc_mmu mmu; | |
400 | struct kvmppc_vcpu_book3s *book3s; | |
401 | #endif | |
402 | #ifdef CONFIG_PPC_BOOK3S_32 | |
403 | struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; | |
404 | #endif | |
405 | ||
406 | ulong gpr[32]; | |
407 | ||
408 | struct thread_fp_state fp; | |
409 | ||
410 | #ifdef CONFIG_SPE | |
411 | ulong evr[32]; | |
412 | ulong spefscr; | |
413 | ulong host_spefscr; | |
414 | u64 acc; | |
415 | #endif | |
416 | #ifdef CONFIG_ALTIVEC | |
417 | struct thread_vr_state vr; | |
418 | #endif | |
419 | ||
420 | #ifdef CONFIG_KVM_BOOKE_HV | |
421 | u32 host_mas4; | |
422 | u32 host_mas6; | |
423 | u32 shadow_epcr; | |
424 | u32 shadow_msrp; | |
425 | u32 eplc; | |
426 | u32 epsc; | |
427 | u32 oldpir; | |
428 | #endif | |
429 | ||
430 | #if defined(CONFIG_BOOKE) | |
431 | #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) | |
432 | u32 epcr; | |
433 | #endif | |
434 | #endif | |
435 | ||
436 | #ifdef CONFIG_PPC_BOOK3S | |
437 | /* For Gekko paired singles */ | |
438 | u32 qpr[32]; | |
439 | #endif | |
440 | ||
441 | ulong pc; | |
442 | ulong ctr; | |
443 | ulong lr; | |
444 | #ifdef CONFIG_PPC_BOOK3S | |
445 | ulong tar; | |
446 | #endif | |
447 | ||
448 | ulong xer; | |
449 | u32 cr; | |
450 | ||
451 | #ifdef CONFIG_PPC_BOOK3S | |
452 | ulong hflags; | |
453 | ulong guest_owned_ext; | |
454 | ulong purr; | |
455 | ulong spurr; | |
456 | ulong ic; | |
457 | ulong vtb; | |
458 | ulong dscr; | |
459 | ulong amr; | |
460 | ulong uamor; | |
461 | ulong iamr; | |
462 | u32 ctrl; | |
463 | u32 dabrx; | |
464 | ulong dabr; | |
465 | ulong dawr; | |
466 | ulong dawrx; | |
467 | ulong ciabr; | |
468 | ulong cfar; | |
469 | ulong ppr; | |
470 | ulong pspb; | |
471 | ulong fscr; | |
472 | ulong shadow_fscr; | |
473 | ulong ebbhr; | |
474 | ulong ebbrr; | |
475 | ulong bescr; | |
476 | ulong csigr; | |
477 | ulong tacr; | |
478 | ulong tcscr; | |
479 | ulong acop; | |
480 | ulong wort; | |
481 | ulong shadow_srr1; | |
482 | #endif | |
483 | u32 vrsave; /* also USPRG0 */ | |
484 | u32 mmucr; | |
485 | /* shadow_msr is unused for BookE HV */ | |
486 | ulong shadow_msr; | |
487 | ulong csrr0; | |
488 | ulong csrr1; | |
489 | ulong dsrr0; | |
490 | ulong dsrr1; | |
491 | ulong mcsrr0; | |
492 | ulong mcsrr1; | |
493 | ulong mcsr; | |
494 | u32 dec; | |
495 | #ifdef CONFIG_BOOKE | |
496 | u32 decar; | |
497 | #endif | |
498 | /* Time base value when we entered the guest */ | |
499 | u64 entry_tb; | |
500 | u64 entry_vtb; | |
501 | u64 entry_ic; | |
502 | u32 tcr; | |
503 | ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ | |
504 | u32 ivor[64]; | |
505 | ulong ivpr; | |
506 | u32 pvr; | |
507 | ||
508 | u32 shadow_pid; | |
509 | u32 shadow_pid1; | |
510 | u32 pid; | |
511 | u32 swap_pid; | |
512 | ||
513 | u32 ccr0; | |
514 | u32 ccr1; | |
515 | u32 dbsr; | |
516 | ||
517 | u64 mmcr[5]; | |
518 | u32 pmc[8]; | |
519 | u32 spmc[2]; | |
520 | u64 siar; | |
521 | u64 sdar; | |
522 | u64 sier; | |
523 | #ifdef CONFIG_PPC_TRANSACTIONAL_MEM | |
524 | u64 tfhar; | |
525 | u64 texasr; | |
526 | u64 tfiar; | |
527 | ||
528 | u32 cr_tm; | |
529 | u64 lr_tm; | |
530 | u64 ctr_tm; | |
531 | u64 amr_tm; | |
532 | u64 ppr_tm; | |
533 | u64 dscr_tm; | |
534 | u64 tar_tm; | |
535 | ||
536 | ulong gpr_tm[32]; | |
537 | ||
538 | struct thread_fp_state fp_tm; | |
539 | ||
540 | struct thread_vr_state vr_tm; | |
541 | u32 vrsave_tm; /* also USPRG0 */ | |
542 | ||
543 | #endif | |
544 | ||
545 | #ifdef CONFIG_KVM_EXIT_TIMING | |
546 | struct mutex exit_timing_lock; | |
547 | struct kvmppc_exit_timing timing_exit; | |
548 | struct kvmppc_exit_timing timing_last_enter; | |
549 | u32 last_exit_type; | |
550 | u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; | |
551 | u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
552 | u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
553 | u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
554 | u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
555 | u64 timing_last_exit; | |
556 | struct dentry *debugfs_exit_timing; | |
557 | #endif | |
558 | ||
559 | #ifdef CONFIG_PPC_BOOK3S | |
560 | ulong fault_dar; | |
561 | u32 fault_dsisr; | |
562 | unsigned long intr_msr; | |
563 | #endif | |
564 | ||
565 | #ifdef CONFIG_BOOKE | |
566 | ulong fault_dear; | |
567 | ulong fault_esr; | |
568 | ulong queued_dear; | |
569 | ulong queued_esr; | |
570 | spinlock_t wdt_lock; | |
571 | struct timer_list wdt_timer; | |
572 | u32 tlbcfg[4]; | |
573 | u32 tlbps[4]; | |
574 | u32 mmucfg; | |
575 | u32 eptcfg; | |
576 | u32 epr; | |
577 | u64 sprg9; | |
578 | u32 pwrmgtcr0; | |
579 | u32 crit_save; | |
580 | /* guest debug registers*/ | |
581 | struct debug_reg dbg_reg; | |
582 | #endif | |
583 | gpa_t paddr_accessed; | |
584 | gva_t vaddr_accessed; | |
585 | pgd_t *pgdir; | |
586 | ||
587 | u8 io_gpr; /* GPR used as IO source/target */ | |
588 | u8 mmio_host_swabbed; | |
589 | u8 mmio_sign_extend; | |
590 | u8 osi_needed; | |
591 | u8 osi_enabled; | |
592 | u8 papr_enabled; | |
593 | u8 watchdog_enabled; | |
594 | u8 sane; | |
595 | u8 cpu_type; | |
596 | u8 hcall_needed; | |
597 | u8 epr_flags; /* KVMPPC_EPR_xxx */ | |
598 | u8 epr_needed; | |
599 | ||
600 | u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ | |
601 | ||
602 | struct hrtimer dec_timer; | |
603 | u64 dec_jiffies; | |
604 | u64 dec_expires; | |
605 | unsigned long pending_exceptions; | |
606 | u8 ceded; | |
607 | u8 prodded; | |
608 | u32 last_inst; | |
609 | ||
610 | wait_queue_head_t *wqp; | |
611 | struct kvmppc_vcore *vcore; | |
612 | int ret; | |
613 | int trap; | |
614 | int state; | |
615 | int ptid; | |
616 | bool timer_running; | |
617 | wait_queue_head_t cpu_run; | |
618 | ||
619 | struct kvm_vcpu_arch_shared *shared; | |
620 | #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) | |
621 | bool shared_big_endian; | |
622 | #endif | |
623 | unsigned long magic_page_pa; /* phys addr to map the magic page to */ | |
624 | unsigned long magic_page_ea; /* effect. addr to map the magic page to */ | |
625 | bool disable_kernel_nx; | |
626 | ||
627 | int irq_type; /* one of KVM_IRQ_* */ | |
628 | int irq_cpu_id; | |
629 | struct openpic *mpic; /* KVM_IRQ_MPIC */ | |
630 | #ifdef CONFIG_KVM_XICS | |
631 | struct kvmppc_icp *icp; /* XICS presentation controller */ | |
632 | #endif | |
633 | ||
634 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE | |
635 | struct kvm_vcpu_arch_shared shregs; | |
636 | ||
637 | unsigned long pgfault_addr; | |
638 | long pgfault_index; | |
639 | unsigned long pgfault_hpte[2]; | |
640 | ||
641 | struct list_head run_list; | |
642 | struct task_struct *run_task; | |
643 | struct kvm_run *kvm_run; | |
644 | ||
645 | spinlock_t vpa_update_lock; | |
646 | struct kvmppc_vpa vpa; | |
647 | struct kvmppc_vpa dtl; | |
648 | struct dtl_entry *dtl_ptr; | |
649 | unsigned long dtl_index; | |
650 | u64 stolen_logged; | |
651 | struct kvmppc_vpa slb_shadow; | |
652 | ||
653 | spinlock_t tbacct_lock; | |
654 | u64 busy_stolen; | |
655 | u64 busy_preempt; | |
656 | ||
657 | u32 emul_inst; | |
658 | #endif | |
659 | }; | |
660 | ||
661 | #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] | |
662 | ||
663 | /* Values for vcpu->arch.state */ | |
664 | #define KVMPPC_VCPU_NOTREADY 0 | |
665 | #define KVMPPC_VCPU_RUNNABLE 1 | |
666 | #define KVMPPC_VCPU_BUSY_IN_HOST 2 | |
667 | ||
668 | /* Values for vcpu->arch.io_gpr */ | |
669 | #define KVM_MMIO_REG_MASK 0x001f | |
670 | #define KVM_MMIO_REG_EXT_MASK 0xffe0 | |
671 | #define KVM_MMIO_REG_GPR 0x0000 | |
672 | #define KVM_MMIO_REG_FPR 0x0020 | |
673 | #define KVM_MMIO_REG_QPR 0x0040 | |
674 | #define KVM_MMIO_REG_FQPR 0x0060 | |
675 | ||
676 | #define __KVM_HAVE_ARCH_WQP | |
677 | #define __KVM_HAVE_CREATE_DEVICE | |
678 | ||
679 | static inline void kvm_arch_hardware_disable(void) {} | |
680 | static inline void kvm_arch_hardware_unsetup(void) {} | |
681 | static inline void kvm_arch_sync_events(struct kvm *kvm) {} | |
682 | static inline void kvm_arch_memslots_updated(struct kvm *kvm) {} | |
683 | static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} | |
684 | static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} | |
685 | static inline void kvm_arch_exit(void) {} | |
686 | ||
687 | #endif /* __POWERPC_KVM_HOST_H__ */ |