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 #define KVM_HALT_POLL_NS_DEFAULT 500000
48
49 /* These values are internal and can be increased later */
50 #define KVM_NR_IRQCHIPS 1
51 #define KVM_IRQCHIP_NUM_PINS 256
52
53 #include <linux/mmu_notifier.h>
54
55 #define KVM_ARCH_WANT_MMU_NOTIFIER
56
57 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
58 extern int kvm_unmap_hva_range(struct kvm *kvm,
59 unsigned long start, unsigned long end);
60 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
61 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
62 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
63
kvm_arch_mmu_notifier_invalidate_page(struct kvm * kvm,unsigned long address)64 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
65 unsigned long address)
66 {
67 }
68
69 #define HPTEG_CACHE_NUM (1 << 15)
70 #define HPTEG_HASH_BITS_PTE 13
71 #define HPTEG_HASH_BITS_PTE_LONG 12
72 #define HPTEG_HASH_BITS_VPTE 13
73 #define HPTEG_HASH_BITS_VPTE_LONG 5
74 #define HPTEG_HASH_BITS_VPTE_64K 11
75 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE)
76 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG)
77 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE)
78 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG)
79 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K)
80
81 /* Physical Address Mask - allowed range of real mode RAM access */
82 #define KVM_PAM 0x0fffffffffffffffULL
83
84 struct lppaca;
85 struct slb_shadow;
86 struct dtl_entry;
87
88 struct kvmppc_vcpu_book3s;
89 struct kvmppc_book3s_shadow_vcpu;
90
91 struct kvm_vm_stat {
92 u32 remote_tlb_flush;
93 };
94
95 struct kvm_vcpu_stat {
96 u32 sum_exits;
97 u32 mmio_exits;
98 u32 signal_exits;
99 u32 light_exits;
100 /* Account for special types of light exits: */
101 u32 itlb_real_miss_exits;
102 u32 itlb_virt_miss_exits;
103 u32 dtlb_real_miss_exits;
104 u32 dtlb_virt_miss_exits;
105 u32 syscall_exits;
106 u32 isi_exits;
107 u32 dsi_exits;
108 u32 emulated_inst_exits;
109 u32 dec_exits;
110 u32 ext_intr_exits;
111 u32 halt_successful_poll;
112 u32 halt_attempted_poll;
113 u32 halt_wakeup;
114 u32 dbell_exits;
115 u32 gdbell_exits;
116 u32 ld;
117 u32 st;
118 #ifdef CONFIG_PPC_BOOK3S
119 u32 pf_storage;
120 u32 pf_instruc;
121 u32 sp_storage;
122 u32 sp_instruc;
123 u32 queue_intr;
124 u32 ld_slow;
125 u32 st_slow;
126 #endif
127 };
128
129 enum kvm_exit_types {
130 MMIO_EXITS,
131 SIGNAL_EXITS,
132 ITLB_REAL_MISS_EXITS,
133 ITLB_VIRT_MISS_EXITS,
134 DTLB_REAL_MISS_EXITS,
135 DTLB_VIRT_MISS_EXITS,
136 SYSCALL_EXITS,
137 ISI_EXITS,
138 DSI_EXITS,
139 EMULATED_INST_EXITS,
140 EMULATED_MTMSRWE_EXITS,
141 EMULATED_WRTEE_EXITS,
142 EMULATED_MTSPR_EXITS,
143 EMULATED_MFSPR_EXITS,
144 EMULATED_MTMSR_EXITS,
145 EMULATED_MFMSR_EXITS,
146 EMULATED_TLBSX_EXITS,
147 EMULATED_TLBWE_EXITS,
148 EMULATED_RFI_EXITS,
149 EMULATED_RFCI_EXITS,
150 EMULATED_RFDI_EXITS,
151 DEC_EXITS,
152 EXT_INTR_EXITS,
153 HALT_WAKEUP,
154 USR_PR_INST,
155 FP_UNAVAIL,
156 DEBUG_EXITS,
157 TIMEINGUEST,
158 DBELL_EXITS,
159 GDBELL_EXITS,
160 __NUMBER_OF_KVM_EXIT_TYPES
161 };
162
163 /* allow access to big endian 32bit upper/lower parts and 64bit var */
164 struct kvmppc_exit_timing {
165 union {
166 u64 tv64;
167 struct {
168 u32 tbu, tbl;
169 } tv32;
170 };
171 };
172
173 struct kvmppc_pginfo {
174 unsigned long pfn;
175 atomic_t refcnt;
176 };
177
178 struct kvmppc_spapr_tce_table {
179 struct list_head list;
180 struct kvm *kvm;
181 u64 liobn;
182 u32 window_size;
183 struct page *pages[0];
184 };
185
186 /* XICS components, defined in book3s_xics.c */
187 struct kvmppc_xics;
188 struct kvmppc_icp;
189
190 /*
191 * The reverse mapping array has one entry for each HPTE,
192 * which stores the guest's view of the second word of the HPTE
193 * (including the guest physical address of the mapping),
194 * plus forward and backward pointers in a doubly-linked ring
195 * of HPTEs that map the same host page. The pointers in this
196 * ring are 32-bit HPTE indexes, to save space.
197 */
198 struct revmap_entry {
199 unsigned long guest_rpte;
200 unsigned int forw, back;
201 };
202
203 /*
204 * We use the top bit of each memslot->arch.rmap entry as a lock bit,
205 * and bit 32 as a present flag. The bottom 32 bits are the
206 * index in the guest HPT of a HPTE that points to the page.
207 */
208 #define KVMPPC_RMAP_LOCK_BIT 63
209 #define KVMPPC_RMAP_RC_SHIFT 32
210 #define KVMPPC_RMAP_CHG_SHIFT 48
211 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
212 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT)
213 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT)
214 #define KVMPPC_RMAP_PRESENT 0x100000000ul
215 #define KVMPPC_RMAP_INDEX 0xfffffffful
216
217 struct kvm_arch_memory_slot {
218 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
219 unsigned long *rmap;
220 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
221 };
222
223 struct kvm_arch {
224 unsigned int lpid;
225 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
226 unsigned long hpt_virt;
227 struct revmap_entry *revmap;
228 unsigned int host_lpid;
229 unsigned long host_lpcr;
230 unsigned long sdr1;
231 unsigned long host_sdr1;
232 int tlbie_lock;
233 unsigned long lpcr;
234 unsigned long vrma_slb_v;
235 int hpte_setup_done;
236 u32 hpt_order;
237 atomic_t vcpus_running;
238 u32 online_vcores;
239 unsigned long hpt_npte;
240 unsigned long hpt_mask;
241 atomic_t hpte_mod_interest;
242 cpumask_t need_tlb_flush;
243 int hpt_cma_alloc;
244 struct dentry *debugfs_dir;
245 struct dentry *htab_dentry;
246 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
247 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
248 struct mutex hpt_mutex;
249 #endif
250 #ifdef CONFIG_PPC_BOOK3S_64
251 struct list_head spapr_tce_tables;
252 struct list_head rtas_tokens;
253 struct mutex rtas_token_lock;
254 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1);
255 #endif
256 #ifdef CONFIG_KVM_MPIC
257 struct openpic *mpic;
258 #endif
259 #ifdef CONFIG_KVM_XICS
260 struct kvmppc_xics *xics;
261 #endif
262 struct kvmppc_ops *kvm_ops;
263 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
264 /* This array can grow quite large, keep it at the end */
265 struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
266 #endif
267 };
268
269 /*
270 * Struct for a virtual core.
271 * Note: entry_exit_map combines a bitmap of threads that have entered
272 * in the bottom 8 bits and a bitmap of threads that have exited in the
273 * next 8 bits. This is so that we can atomically set the entry bit
274 * iff the exit map is 0 without taking a lock.
275 */
276 struct kvmppc_vcore {
277 int n_runnable;
278 int num_threads;
279 int entry_exit_map;
280 int napping_threads;
281 int first_vcpuid;
282 u16 pcpu;
283 u16 last_cpu;
284 u8 vcore_state;
285 u8 in_guest;
286 struct kvmppc_vcore *master_vcore;
287 struct list_head runnable_threads;
288 struct list_head preempt_list;
289 spinlock_t lock;
290 wait_queue_head_t wq;
291 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */
292 u64 stolen_tb;
293 u64 preempt_tb;
294 struct kvm_vcpu *runner;
295 struct kvm *kvm;
296 u64 tb_offset; /* guest timebase - host timebase */
297 ulong lpcr;
298 u32 arch_compat;
299 ulong pcr;
300 ulong dpdes; /* doorbell state (POWER8) */
301 ulong conferring_threads;
302 };
303
304 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff)
305 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8)
306 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0)
307
308 /* This bit is used when a vcore exit is triggered from outside the vcore */
309 #define VCORE_EXIT_REQ 0x10000
310
311 /*
312 * Values for vcore_state.
313 * Note that these are arranged such that lower values
314 * (< VCORE_SLEEPING) don't require stolen time accounting
315 * on load/unload, and higher values do.
316 */
317 #define VCORE_INACTIVE 0
318 #define VCORE_PREEMPT 1
319 #define VCORE_PIGGYBACK 2
320 #define VCORE_SLEEPING 3
321 #define VCORE_RUNNING 4
322 #define VCORE_EXITING 5
323
324 /*
325 * Struct used to manage memory for a virtual processor area
326 * registered by a PAPR guest. There are three types of area
327 * that a guest can register.
328 */
329 struct kvmppc_vpa {
330 unsigned long gpa; /* Current guest phys addr */
331 void *pinned_addr; /* Address in kernel linear mapping */
332 void *pinned_end; /* End of region */
333 unsigned long next_gpa; /* Guest phys addr for update */
334 unsigned long len; /* Number of bytes required */
335 u8 update_pending; /* 1 => update pinned_addr from next_gpa */
336 bool dirty; /* true => area has been modified by kernel */
337 };
338
339 struct kvmppc_pte {
340 ulong eaddr;
341 u64 vpage;
342 ulong raddr;
343 bool may_read : 1;
344 bool may_write : 1;
345 bool may_execute : 1;
346 u8 page_size; /* MMU_PAGE_xxx */
347 };
348
349 struct kvmppc_mmu {
350 /* book3s_64 only */
351 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
352 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
353 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
354 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
355 void (*slbia)(struct kvm_vcpu *vcpu);
356 /* book3s */
357 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
358 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
359 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
360 struct kvmppc_pte *pte, bool data, bool iswrite);
361 void (*reset_msr)(struct kvm_vcpu *vcpu);
362 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
363 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
364 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
365 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
366 };
367
368 struct kvmppc_slb {
369 u64 esid;
370 u64 vsid;
371 u64 orige;
372 u64 origv;
373 bool valid : 1;
374 bool Ks : 1;
375 bool Kp : 1;
376 bool nx : 1;
377 bool large : 1; /* PTEs are 16MB */
378 bool tb : 1; /* 1TB segment */
379 bool class : 1;
380 u8 base_page_size; /* MMU_PAGE_xxx */
381 };
382
383 /* Struct used to accumulate timing information in HV real mode code */
384 struct kvmhv_tb_accumulator {
385 u64 seqcount; /* used to synchronize access, also count * 2 */
386 u64 tb_total; /* total time in timebase ticks */
387 u64 tb_min; /* min time */
388 u64 tb_max; /* max time */
389 };
390
391 # ifdef CONFIG_PPC_FSL_BOOK3E
392 #define KVMPPC_BOOKE_IAC_NUM 2
393 #define KVMPPC_BOOKE_DAC_NUM 2
394 # else
395 #define KVMPPC_BOOKE_IAC_NUM 4
396 #define KVMPPC_BOOKE_DAC_NUM 2
397 # endif
398 #define KVMPPC_BOOKE_MAX_IAC 4
399 #define KVMPPC_BOOKE_MAX_DAC 2
400
401 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
402 #define KVMPPC_EPR_NONE 0 /* EPR not supported */
403 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */
404 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */
405
406 #define KVMPPC_IRQ_DEFAULT 0
407 #define KVMPPC_IRQ_MPIC 1
408 #define KVMPPC_IRQ_XICS 2
409
410 struct openpic;
411
412 struct kvm_vcpu_arch {
413 ulong host_stack;
414 u32 host_pid;
415 #ifdef CONFIG_PPC_BOOK3S
416 struct kvmppc_slb slb[64];
417 int slb_max; /* 1 + index of last valid entry in slb[] */
418 int slb_nr; /* total number of entries in SLB */
419 struct kvmppc_mmu mmu;
420 struct kvmppc_vcpu_book3s *book3s;
421 #endif
422 #ifdef CONFIG_PPC_BOOK3S_32
423 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
424 #endif
425
426 ulong gpr[32];
427
428 struct thread_fp_state fp;
429
430 #ifdef CONFIG_SPE
431 ulong evr[32];
432 ulong spefscr;
433 ulong host_spefscr;
434 u64 acc;
435 #endif
436 #ifdef CONFIG_ALTIVEC
437 struct thread_vr_state vr;
438 #endif
439
440 #ifdef CONFIG_KVM_BOOKE_HV
441 u32 host_mas4;
442 u32 host_mas6;
443 u32 shadow_epcr;
444 u32 shadow_msrp;
445 u32 eplc;
446 u32 epsc;
447 u32 oldpir;
448 #endif
449
450 #if defined(CONFIG_BOOKE)
451 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
452 u32 epcr;
453 #endif
454 #endif
455
456 #ifdef CONFIG_PPC_BOOK3S
457 /* For Gekko paired singles */
458 u32 qpr[32];
459 #endif
460
461 ulong pc;
462 ulong ctr;
463 ulong lr;
464 #ifdef CONFIG_PPC_BOOK3S
465 ulong tar;
466 #endif
467
468 ulong xer;
469 u32 cr;
470
471 #ifdef CONFIG_PPC_BOOK3S
472 ulong hflags;
473 ulong guest_owned_ext;
474 ulong purr;
475 ulong spurr;
476 ulong ic;
477 ulong vtb;
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 wait_queue_head_t *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 list_head run_list;
664 struct task_struct *run_task;
665 struct kvm_run *kvm_run;
666
667 spinlock_t vpa_update_lock;
668 struct kvmppc_vpa vpa;
669 struct kvmppc_vpa dtl;
670 struct dtl_entry *dtl_ptr;
671 unsigned long dtl_index;
672 u64 stolen_logged;
673 struct kvmppc_vpa slb_shadow;
674
675 spinlock_t tbacct_lock;
676 u64 busy_stolen;
677 u64 busy_preempt;
678
679 u32 emul_inst;
680 #endif
681
682 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING
683 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */
684 u64 cur_tb_start; /* when it started */
685 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */
686 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */
687 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */
688 struct kvmhv_tb_accumulator guest_time; /* guest execution */
689 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */
690
691 struct dentry *debugfs_dir;
692 struct dentry *debugfs_timings;
693 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
694 };
695
696 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
697
698 /* Values for vcpu->arch.state */
699 #define KVMPPC_VCPU_NOTREADY 0
700 #define KVMPPC_VCPU_RUNNABLE 1
701 #define KVMPPC_VCPU_BUSY_IN_HOST 2
702
703 /* Values for vcpu->arch.io_gpr */
704 #define KVM_MMIO_REG_MASK 0x001f
705 #define KVM_MMIO_REG_EXT_MASK 0xffe0
706 #define KVM_MMIO_REG_GPR 0x0000
707 #define KVM_MMIO_REG_FPR 0x0020
708 #define KVM_MMIO_REG_QPR 0x0040
709 #define KVM_MMIO_REG_FQPR 0x0060
710
711 #define __KVM_HAVE_ARCH_WQP
712 #define __KVM_HAVE_CREATE_DEVICE
713
kvm_arch_hardware_disable(void)714 static inline void kvm_arch_hardware_disable(void) {}
kvm_arch_hardware_unsetup(void)715 static inline void kvm_arch_hardware_unsetup(void) {}
kvm_arch_sync_events(struct kvm * kvm)716 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
kvm_arch_memslots_updated(struct kvm * kvm,struct kvm_memslots * slots)717 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {}
kvm_arch_flush_shadow_all(struct kvm * kvm)718 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
kvm_arch_sched_in(struct kvm_vcpu * vcpu,int cpu)719 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
kvm_arch_exit(void)720 static inline void kvm_arch_exit(void) {}
kvm_arch_vcpu_blocking(struct kvm_vcpu * vcpu)721 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
kvm_arch_vcpu_unblocking(struct kvm_vcpu * vcpu)722 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
723
724 #endif /* __POWERPC_KVM_HOST_H__ */
725