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 512
42
43 #include <asm/cputhreads.h>
44 #define KVM_MAX_VCPU_ID (threads_per_subcore * KVM_MAX_VCORES)
45
46 #define __KVM_HAVE_ARCH_INTC_INITIALIZED
47
48 #ifdef CONFIG_KVM_MMIO
49 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
50 #endif
51 #define KVM_HALT_POLL_NS_DEFAULT 500000
52
53 /* These values are internal and can be increased later */
54 #define KVM_NR_IRQCHIPS 1
55 #define KVM_IRQCHIP_NUM_PINS 256
56
57 /* PPC-specific vcpu->requests bit members */
58 #define KVM_REQ_WATCHDOG 8
59 #define KVM_REQ_EPR_EXIT 9
60
61 #include <linux/mmu_notifier.h>
62
63 #define KVM_ARCH_WANT_MMU_NOTIFIER
64
65 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
66 extern int kvm_unmap_hva_range(struct kvm *kvm,
67 unsigned long start, unsigned long end);
68 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
69 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
70 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
71
kvm_arch_mmu_notifier_invalidate_page(struct kvm * kvm,unsigned long address)72 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
73 unsigned long address)
74 {
75 }
76
77 #define HPTEG_CACHE_NUM (1 << 15)
78 #define HPTEG_HASH_BITS_PTE 13
79 #define HPTEG_HASH_BITS_PTE_LONG 12
80 #define HPTEG_HASH_BITS_VPTE 13
81 #define HPTEG_HASH_BITS_VPTE_LONG 5
82 #define HPTEG_HASH_BITS_VPTE_64K 11
83 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE)
84 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG)
85 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE)
86 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG)
87 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K)
88
89 /* Physical Address Mask - allowed range of real mode RAM access */
90 #define KVM_PAM 0x0fffffffffffffffULL
91
92 struct lppaca;
93 struct slb_shadow;
94 struct dtl_entry;
95
96 struct kvmppc_vcpu_book3s;
97 struct kvmppc_book3s_shadow_vcpu;
98
99 struct kvm_vm_stat {
100 ulong remote_tlb_flush;
101 };
102
103 struct kvm_vcpu_stat {
104 u64 sum_exits;
105 u64 mmio_exits;
106 u64 signal_exits;
107 u64 light_exits;
108 /* Account for special types of light exits: */
109 u64 itlb_real_miss_exits;
110 u64 itlb_virt_miss_exits;
111 u64 dtlb_real_miss_exits;
112 u64 dtlb_virt_miss_exits;
113 u64 syscall_exits;
114 u64 isi_exits;
115 u64 dsi_exits;
116 u64 emulated_inst_exits;
117 u64 dec_exits;
118 u64 ext_intr_exits;
119 u64 halt_poll_success_ns;
120 u64 halt_poll_fail_ns;
121 u64 halt_wait_ns;
122 u64 halt_successful_poll;
123 u64 halt_attempted_poll;
124 u64 halt_successful_wait;
125 u64 halt_poll_invalid;
126 u64 halt_wakeup;
127 u64 dbell_exits;
128 u64 gdbell_exits;
129 u64 ld;
130 u64 st;
131 #ifdef CONFIG_PPC_BOOK3S
132 u64 pf_storage;
133 u64 pf_instruc;
134 u64 sp_storage;
135 u64 sp_instruc;
136 u64 queue_intr;
137 u64 ld_slow;
138 u64 st_slow;
139 #endif
140 u64 pthru_all;
141 u64 pthru_host;
142 u64 pthru_bad_aff;
143 };
144
145 enum kvm_exit_types {
146 MMIO_EXITS,
147 SIGNAL_EXITS,
148 ITLB_REAL_MISS_EXITS,
149 ITLB_VIRT_MISS_EXITS,
150 DTLB_REAL_MISS_EXITS,
151 DTLB_VIRT_MISS_EXITS,
152 SYSCALL_EXITS,
153 ISI_EXITS,
154 DSI_EXITS,
155 EMULATED_INST_EXITS,
156 EMULATED_MTMSRWE_EXITS,
157 EMULATED_WRTEE_EXITS,
158 EMULATED_MTSPR_EXITS,
159 EMULATED_MFSPR_EXITS,
160 EMULATED_MTMSR_EXITS,
161 EMULATED_MFMSR_EXITS,
162 EMULATED_TLBSX_EXITS,
163 EMULATED_TLBWE_EXITS,
164 EMULATED_RFI_EXITS,
165 EMULATED_RFCI_EXITS,
166 EMULATED_RFDI_EXITS,
167 DEC_EXITS,
168 EXT_INTR_EXITS,
169 HALT_WAKEUP,
170 USR_PR_INST,
171 FP_UNAVAIL,
172 DEBUG_EXITS,
173 TIMEINGUEST,
174 DBELL_EXITS,
175 GDBELL_EXITS,
176 __NUMBER_OF_KVM_EXIT_TYPES
177 };
178
179 /* allow access to big endian 32bit upper/lower parts and 64bit var */
180 struct kvmppc_exit_timing {
181 union {
182 u64 tv64;
183 struct {
184 u32 tbu, tbl;
185 } tv32;
186 };
187 };
188
189 struct kvmppc_pginfo {
190 unsigned long pfn;
191 atomic_t refcnt;
192 };
193
194 struct kvmppc_spapr_tce_table {
195 struct list_head list;
196 struct kvm *kvm;
197 u64 liobn;
198 struct rcu_head rcu;
199 u32 page_shift;
200 u64 offset; /* in pages */
201 u64 size; /* window size in pages */
202 struct page *pages[0];
203 };
204
205 /* XICS components, defined in book3s_xics.c */
206 struct kvmppc_xics;
207 struct kvmppc_icp;
208
209 struct kvmppc_passthru_irqmap;
210
211 /*
212 * The reverse mapping array has one entry for each HPTE,
213 * which stores the guest's view of the second word of the HPTE
214 * (including the guest physical address of the mapping),
215 * plus forward and backward pointers in a doubly-linked ring
216 * of HPTEs that map the same host page. The pointers in this
217 * ring are 32-bit HPTE indexes, to save space.
218 */
219 struct revmap_entry {
220 unsigned long guest_rpte;
221 unsigned int forw, back;
222 };
223
224 /*
225 * We use the top bit of each memslot->arch.rmap entry as a lock bit,
226 * and bit 32 as a present flag. The bottom 32 bits are the
227 * index in the guest HPT of a HPTE that points to the page.
228 */
229 #define KVMPPC_RMAP_LOCK_BIT 63
230 #define KVMPPC_RMAP_RC_SHIFT 32
231 #define KVMPPC_RMAP_CHG_SHIFT 48
232 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
233 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT)
234 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT)
235 #define KVMPPC_RMAP_PRESENT 0x100000000ul
236 #define KVMPPC_RMAP_INDEX 0xfffffffful
237
238 struct kvm_arch_memory_slot {
239 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
240 unsigned long *rmap;
241 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
242 };
243
244 struct kvm_arch {
245 unsigned int lpid;
246 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
247 unsigned long hpt_virt;
248 struct revmap_entry *revmap;
249 unsigned int host_lpid;
250 unsigned long host_lpcr;
251 unsigned long sdr1;
252 unsigned long host_sdr1;
253 int tlbie_lock;
254 unsigned long lpcr;
255 unsigned long vrma_slb_v;
256 int hpte_setup_done;
257 u32 hpt_order;
258 atomic_t vcpus_running;
259 u32 online_vcores;
260 unsigned long hpt_npte;
261 unsigned long hpt_mask;
262 atomic_t hpte_mod_interest;
263 cpumask_t need_tlb_flush;
264 int hpt_cma_alloc;
265 struct dentry *debugfs_dir;
266 struct dentry *htab_dentry;
267 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
268 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
269 struct mutex hpt_mutex;
270 #endif
271 #ifdef CONFIG_PPC_BOOK3S_64
272 struct list_head spapr_tce_tables;
273 struct list_head rtas_tokens;
274 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1);
275 #endif
276 #ifdef CONFIG_KVM_MPIC
277 struct openpic *mpic;
278 #endif
279 #ifdef CONFIG_KVM_XICS
280 struct kvmppc_xics *xics;
281 struct kvmppc_passthru_irqmap *pimap;
282 #endif
283 struct kvmppc_ops *kvm_ops;
284 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
285 /* This array can grow quite large, keep it at the end */
286 struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
287 #endif
288 };
289
290 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff)
291 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8)
292 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0)
293
294 /* This bit is used when a vcore exit is triggered from outside the vcore */
295 #define VCORE_EXIT_REQ 0x10000
296
297 /*
298 * Values for vcore_state.
299 * Note that these are arranged such that lower values
300 * (< VCORE_SLEEPING) don't require stolen time accounting
301 * on load/unload, and higher values do.
302 */
303 #define VCORE_INACTIVE 0
304 #define VCORE_PREEMPT 1
305 #define VCORE_PIGGYBACK 2
306 #define VCORE_SLEEPING 3
307 #define VCORE_RUNNING 4
308 #define VCORE_EXITING 5
309 #define VCORE_POLLING 6
310
311 /*
312 * Struct used to manage memory for a virtual processor area
313 * registered by a PAPR guest. There are three types of area
314 * that a guest can register.
315 */
316 struct kvmppc_vpa {
317 unsigned long gpa; /* Current guest phys addr */
318 void *pinned_addr; /* Address in kernel linear mapping */
319 void *pinned_end; /* End of region */
320 unsigned long next_gpa; /* Guest phys addr for update */
321 unsigned long len; /* Number of bytes required */
322 u8 update_pending; /* 1 => update pinned_addr from next_gpa */
323 bool dirty; /* true => area has been modified by kernel */
324 };
325
326 struct kvmppc_pte {
327 ulong eaddr;
328 u64 vpage;
329 ulong raddr;
330 bool may_read : 1;
331 bool may_write : 1;
332 bool may_execute : 1;
333 u8 page_size; /* MMU_PAGE_xxx */
334 };
335
336 struct kvmppc_mmu {
337 /* book3s_64 only */
338 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
339 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
340 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
341 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
342 void (*slbia)(struct kvm_vcpu *vcpu);
343 /* book3s */
344 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
345 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
346 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
347 struct kvmppc_pte *pte, bool data, bool iswrite);
348 void (*reset_msr)(struct kvm_vcpu *vcpu);
349 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
350 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
351 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
352 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
353 };
354
355 struct kvmppc_slb {
356 u64 esid;
357 u64 vsid;
358 u64 orige;
359 u64 origv;
360 bool valid : 1;
361 bool Ks : 1;
362 bool Kp : 1;
363 bool nx : 1;
364 bool large : 1; /* PTEs are 16MB */
365 bool tb : 1; /* 1TB segment */
366 bool class : 1;
367 u8 base_page_size; /* MMU_PAGE_xxx */
368 };
369
370 /* Struct used to accumulate timing information in HV real mode code */
371 struct kvmhv_tb_accumulator {
372 u64 seqcount; /* used to synchronize access, also count * 2 */
373 u64 tb_total; /* total time in timebase ticks */
374 u64 tb_min; /* min time */
375 u64 tb_max; /* max time */
376 };
377
378 #ifdef CONFIG_PPC_BOOK3S_64
379 struct kvmppc_irq_map {
380 u32 r_hwirq;
381 u32 v_hwirq;
382 struct irq_desc *desc;
383 };
384
385 #define KVMPPC_PIRQ_MAPPED 1024
386 struct kvmppc_passthru_irqmap {
387 int n_mapped;
388 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED];
389 };
390 #endif
391
392 # ifdef CONFIG_PPC_FSL_BOOK3E
393 #define KVMPPC_BOOKE_IAC_NUM 2
394 #define KVMPPC_BOOKE_DAC_NUM 2
395 # else
396 #define KVMPPC_BOOKE_IAC_NUM 4
397 #define KVMPPC_BOOKE_DAC_NUM 2
398 # endif
399 #define KVMPPC_BOOKE_MAX_IAC 4
400 #define KVMPPC_BOOKE_MAX_DAC 2
401
402 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
403 #define KVMPPC_EPR_NONE 0 /* EPR not supported */
404 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */
405 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */
406
407 #define KVMPPC_IRQ_DEFAULT 0
408 #define KVMPPC_IRQ_MPIC 1
409 #define KVMPPC_IRQ_XICS 2
410
411 struct openpic;
412
413 struct kvm_vcpu_arch {
414 ulong host_stack;
415 u32 host_pid;
416 #ifdef CONFIG_PPC_BOOK3S
417 struct kvmppc_slb slb[64];
418 int slb_max; /* 1 + index of last valid entry in slb[] */
419 int slb_nr; /* total number of entries in SLB */
420 struct kvmppc_mmu mmu;
421 struct kvmppc_vcpu_book3s *book3s;
422 #endif
423 #ifdef CONFIG_PPC_BOOK3S_32
424 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
425 #endif
426
427 ulong gpr[32];
428
429 struct thread_fp_state fp;
430
431 #ifdef CONFIG_SPE
432 ulong evr[32];
433 ulong spefscr;
434 ulong host_spefscr;
435 u64 acc;
436 #endif
437 #ifdef CONFIG_ALTIVEC
438 struct thread_vr_state vr;
439 #endif
440
441 #ifdef CONFIG_KVM_BOOKE_HV
442 u32 host_mas4;
443 u32 host_mas6;
444 u32 shadow_epcr;
445 u32 shadow_msrp;
446 u32 eplc;
447 u32 epsc;
448 u32 oldpir;
449 #endif
450
451 #if defined(CONFIG_BOOKE)
452 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
453 u32 epcr;
454 #endif
455 #endif
456
457 #ifdef CONFIG_PPC_BOOK3S
458 /* For Gekko paired singles */
459 u32 qpr[32];
460 #endif
461
462 ulong pc;
463 ulong ctr;
464 ulong lr;
465 #ifdef CONFIG_PPC_BOOK3S
466 ulong tar;
467 #endif
468
469 ulong xer;
470 u32 cr;
471
472 #ifdef CONFIG_PPC_BOOK3S
473 ulong hflags;
474 ulong guest_owned_ext;
475 ulong purr;
476 ulong spurr;
477 ulong ic;
478 ulong dscr;
479 ulong amr;
480 ulong uamor;
481 ulong iamr;
482 u32 ctrl;
483 u32 dabrx;
484 ulong dabr;
485 ulong dawr;
486 ulong dawrx;
487 ulong ciabr;
488 ulong cfar;
489 ulong ppr;
490 u32 pspb;
491 ulong fscr;
492 ulong shadow_fscr;
493 ulong ebbhr;
494 ulong ebbrr;
495 ulong bescr;
496 ulong csigr;
497 ulong tacr;
498 ulong tcscr;
499 ulong acop;
500 ulong wort;
501 ulong shadow_srr1;
502 #endif
503 u32 vrsave; /* also USPRG0 */
504 u32 mmucr;
505 /* shadow_msr is unused for BookE HV */
506 ulong shadow_msr;
507 ulong csrr0;
508 ulong csrr1;
509 ulong dsrr0;
510 ulong dsrr1;
511 ulong mcsrr0;
512 ulong mcsrr1;
513 ulong mcsr;
514 u32 dec;
515 #ifdef CONFIG_BOOKE
516 u32 decar;
517 #endif
518 /* Time base value when we entered the guest */
519 u64 entry_tb;
520 u64 entry_vtb;
521 u64 entry_ic;
522 u32 tcr;
523 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */
524 u32 ivor[64];
525 ulong ivpr;
526 u32 pvr;
527
528 u32 shadow_pid;
529 u32 shadow_pid1;
530 u32 pid;
531 u32 swap_pid;
532
533 u32 ccr0;
534 u32 ccr1;
535 u32 dbsr;
536
537 u64 mmcr[5];
538 u32 pmc[8];
539 u32 spmc[2];
540 u64 siar;
541 u64 sdar;
542 u64 sier;
543 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
544 u64 tfhar;
545 u64 texasr;
546 u64 tfiar;
547
548 u32 cr_tm;
549 u64 xer_tm;
550 u64 lr_tm;
551 u64 ctr_tm;
552 u64 amr_tm;
553 u64 ppr_tm;
554 u64 dscr_tm;
555 u64 tar_tm;
556
557 ulong gpr_tm[32];
558
559 struct thread_fp_state fp_tm;
560
561 struct thread_vr_state vr_tm;
562 u32 vrsave_tm; /* also USPRG0 */
563
564 #endif
565
566 #ifdef CONFIG_KVM_EXIT_TIMING
567 struct mutex exit_timing_lock;
568 struct kvmppc_exit_timing timing_exit;
569 struct kvmppc_exit_timing timing_last_enter;
570 u32 last_exit_type;
571 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
572 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
573 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
574 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
575 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
576 u64 timing_last_exit;
577 struct dentry *debugfs_exit_timing;
578 #endif
579
580 #ifdef CONFIG_PPC_BOOK3S
581 ulong fault_dar;
582 u32 fault_dsisr;
583 unsigned long intr_msr;
584 #endif
585
586 #ifdef CONFIG_BOOKE
587 ulong fault_dear;
588 ulong fault_esr;
589 ulong queued_dear;
590 ulong queued_esr;
591 spinlock_t wdt_lock;
592 struct timer_list wdt_timer;
593 u32 tlbcfg[4];
594 u32 tlbps[4];
595 u32 mmucfg;
596 u32 eptcfg;
597 u32 epr;
598 u64 sprg9;
599 u32 pwrmgtcr0;
600 u32 crit_save;
601 /* guest debug registers*/
602 struct debug_reg dbg_reg;
603 #endif
604 gpa_t paddr_accessed;
605 gva_t vaddr_accessed;
606 pgd_t *pgdir;
607
608 u8 io_gpr; /* GPR used as IO source/target */
609 u8 mmio_host_swabbed;
610 u8 mmio_sign_extend;
611 u8 osi_needed;
612 u8 osi_enabled;
613 u8 papr_enabled;
614 u8 watchdog_enabled;
615 u8 sane;
616 u8 cpu_type;
617 u8 hcall_needed;
618 u8 epr_flags; /* KVMPPC_EPR_xxx */
619 u8 epr_needed;
620
621 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
622
623 struct hrtimer dec_timer;
624 u64 dec_jiffies;
625 u64 dec_expires;
626 unsigned long pending_exceptions;
627 u8 ceded;
628 u8 prodded;
629 u32 last_inst;
630
631 struct swait_queue_head *wqp;
632 struct kvmppc_vcore *vcore;
633 int ret;
634 int trap;
635 int state;
636 int ptid;
637 int thread_cpu;
638 bool timer_running;
639 wait_queue_head_t cpu_run;
640
641 struct kvm_vcpu_arch_shared *shared;
642 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
643 bool shared_big_endian;
644 #endif
645 unsigned long magic_page_pa; /* phys addr to map the magic page to */
646 unsigned long magic_page_ea; /* effect. addr to map the magic page to */
647 bool disable_kernel_nx;
648
649 int irq_type; /* one of KVM_IRQ_* */
650 int irq_cpu_id;
651 struct openpic *mpic; /* KVM_IRQ_MPIC */
652 #ifdef CONFIG_KVM_XICS
653 struct kvmppc_icp *icp; /* XICS presentation controller */
654 #endif
655
656 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
657 struct kvm_vcpu_arch_shared shregs;
658
659 unsigned long pgfault_addr;
660 long pgfault_index;
661 unsigned long pgfault_hpte[2];
662
663 struct task_struct *run_task;
664 struct kvm_run *kvm_run;
665
666 spinlock_t vpa_update_lock;
667 struct kvmppc_vpa vpa;
668 struct kvmppc_vpa dtl;
669 struct dtl_entry *dtl_ptr;
670 unsigned long dtl_index;
671 u64 stolen_logged;
672 struct kvmppc_vpa slb_shadow;
673
674 spinlock_t tbacct_lock;
675 u64 busy_stolen;
676 u64 busy_preempt;
677
678 u32 emul_inst;
679 #endif
680
681 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING
682 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */
683 u64 cur_tb_start; /* when it started */
684 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */
685 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */
686 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */
687 struct kvmhv_tb_accumulator guest_time; /* guest execution */
688 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */
689
690 struct dentry *debugfs_dir;
691 struct dentry *debugfs_timings;
692 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
693 };
694
695 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
696
697 /* Values for vcpu->arch.state */
698 #define KVMPPC_VCPU_NOTREADY 0
699 #define KVMPPC_VCPU_RUNNABLE 1
700 #define KVMPPC_VCPU_BUSY_IN_HOST 2
701
702 /* Values for vcpu->arch.io_gpr */
703 #define KVM_MMIO_REG_MASK 0x001f
704 #define KVM_MMIO_REG_EXT_MASK 0xffe0
705 #define KVM_MMIO_REG_GPR 0x0000
706 #define KVM_MMIO_REG_FPR 0x0020
707 #define KVM_MMIO_REG_QPR 0x0040
708 #define KVM_MMIO_REG_FQPR 0x0060
709
710 #define __KVM_HAVE_ARCH_WQP
711 #define __KVM_HAVE_CREATE_DEVICE
712
kvm_arch_hardware_disable(void)713 static inline void kvm_arch_hardware_disable(void) {}
kvm_arch_hardware_unsetup(void)714 static inline void kvm_arch_hardware_unsetup(void) {}
kvm_arch_sync_events(struct kvm * kvm)715 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
kvm_arch_memslots_updated(struct kvm * kvm,struct kvm_memslots * slots)716 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {}
kvm_arch_flush_shadow_all(struct kvm * kvm)717 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
kvm_arch_sched_in(struct kvm_vcpu * vcpu,int cpu)718 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
kvm_arch_exit(void)719 static inline void kvm_arch_exit(void) {}
kvm_arch_vcpu_blocking(struct kvm_vcpu * vcpu)720 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
kvm_arch_vcpu_unblocking(struct kvm_vcpu * vcpu)721 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
kvm_arch_vcpu_block_finish(struct kvm_vcpu * vcpu)722 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
723
724 #endif /* __POWERPC_KVM_HOST_H__ */
725