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
kvm_arch_mmu_notifier_invalidate_page(struct kvm * kvm,unsigned long address)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_wakeup;
111 u32 dbell_exits;
112 u32 gdbell_exits;
113 u32 ld;
114 u32 st;
115 #ifdef CONFIG_PPC_BOOK3S
116 u32 pf_storage;
117 u32 pf_instruc;
118 u32 sp_storage;
119 u32 sp_instruc;
120 u32 queue_intr;
121 u32 ld_slow;
122 u32 st_slow;
123 #endif
124 };
125
126 enum kvm_exit_types {
127 MMIO_EXITS,
128 SIGNAL_EXITS,
129 ITLB_REAL_MISS_EXITS,
130 ITLB_VIRT_MISS_EXITS,
131 DTLB_REAL_MISS_EXITS,
132 DTLB_VIRT_MISS_EXITS,
133 SYSCALL_EXITS,
134 ISI_EXITS,
135 DSI_EXITS,
136 EMULATED_INST_EXITS,
137 EMULATED_MTMSRWE_EXITS,
138 EMULATED_WRTEE_EXITS,
139 EMULATED_MTSPR_EXITS,
140 EMULATED_MFSPR_EXITS,
141 EMULATED_MTMSR_EXITS,
142 EMULATED_MFMSR_EXITS,
143 EMULATED_TLBSX_EXITS,
144 EMULATED_TLBWE_EXITS,
145 EMULATED_RFI_EXITS,
146 EMULATED_RFCI_EXITS,
147 EMULATED_RFDI_EXITS,
148 DEC_EXITS,
149 EXT_INTR_EXITS,
150 HALT_WAKEUP,
151 USR_PR_INST,
152 FP_UNAVAIL,
153 DEBUG_EXITS,
154 TIMEINGUEST,
155 DBELL_EXITS,
156 GDBELL_EXITS,
157 __NUMBER_OF_KVM_EXIT_TYPES
158 };
159
160 /* allow access to big endian 32bit upper/lower parts and 64bit var */
161 struct kvmppc_exit_timing {
162 union {
163 u64 tv64;
164 struct {
165 u32 tbu, tbl;
166 } tv32;
167 };
168 };
169
170 struct kvmppc_pginfo {
171 unsigned long pfn;
172 atomic_t refcnt;
173 };
174
175 struct kvmppc_spapr_tce_table {
176 struct list_head list;
177 struct kvm *kvm;
178 u64 liobn;
179 u32 window_size;
180 struct page *pages[0];
181 };
182
183 struct kvm_rma_info {
184 atomic_t use_count;
185 unsigned long base_pfn;
186 };
187
188 /* XICS components, defined in book3s_xics.c */
189 struct kvmppc_xics;
190 struct kvmppc_icp;
191
192 /*
193 * The reverse mapping array has one entry for each HPTE,
194 * which stores the guest's view of the second word of the HPTE
195 * (including the guest physical address of the mapping),
196 * plus forward and backward pointers in a doubly-linked ring
197 * of HPTEs that map the same host page. The pointers in this
198 * ring are 32-bit HPTE indexes, to save space.
199 */
200 struct revmap_entry {
201 unsigned long guest_rpte;
202 unsigned int forw, back;
203 };
204
205 /*
206 * We use the top bit of each memslot->arch.rmap entry as a lock bit,
207 * and bit 32 as a present flag. The bottom 32 bits are the
208 * index in the guest HPT of a HPTE that points to the page.
209 */
210 #define KVMPPC_RMAP_LOCK_BIT 63
211 #define KVMPPC_RMAP_RC_SHIFT 32
212 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
213 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT)
214 #define KVMPPC_RMAP_PRESENT 0x100000000ul
215 #define KVMPPC_RMAP_INDEX 0xfffffffful
216
217 /* Low-order bits in memslot->arch.slot_phys[] */
218 #define KVMPPC_PAGE_ORDER_MASK 0x1f
219 #define KVMPPC_PAGE_NO_CACHE HPTE_R_I /* 0x20 */
220 #define KVMPPC_PAGE_WRITETHRU HPTE_R_W /* 0x40 */
221 #define KVMPPC_GOT_PAGE 0x80
222
223 struct kvm_arch_memory_slot {
224 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
225 unsigned long *rmap;
226 unsigned long *slot_phys;
227 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
228 };
229
230 struct kvm_arch {
231 unsigned int lpid;
232 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
233 unsigned long hpt_virt;
234 struct revmap_entry *revmap;
235 unsigned int host_lpid;
236 unsigned long host_lpcr;
237 unsigned long sdr1;
238 unsigned long host_sdr1;
239 int tlbie_lock;
240 unsigned long lpcr;
241 unsigned long rmor;
242 struct kvm_rma_info *rma;
243 unsigned long vrma_slb_v;
244 int rma_setup_done;
245 int using_mmu_notifiers;
246 u32 hpt_order;
247 atomic_t vcpus_running;
248 u32 online_vcores;
249 unsigned long hpt_npte;
250 unsigned long hpt_mask;
251 atomic_t hpte_mod_interest;
252 spinlock_t slot_phys_lock;
253 cpumask_t need_tlb_flush;
254 int hpt_cma_alloc;
255 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
256 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
257 struct mutex hpt_mutex;
258 #endif
259 #ifdef CONFIG_PPC_BOOK3S_64
260 struct list_head spapr_tce_tables;
261 struct list_head rtas_tokens;
262 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1);
263 #endif
264 #ifdef CONFIG_KVM_MPIC
265 struct openpic *mpic;
266 #endif
267 #ifdef CONFIG_KVM_XICS
268 struct kvmppc_xics *xics;
269 #endif
270 struct kvmppc_ops *kvm_ops;
271 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
272 /* This array can grow quite large, keep it at the end */
273 struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
274 #endif
275 };
276
277 /*
278 * Struct for a virtual core.
279 * Note: entry_exit_count combines an entry count in the bottom 8 bits
280 * and an exit count in the next 8 bits. This is so that we can
281 * atomically increment the entry count iff the exit count is 0
282 * without taking the lock.
283 */
284 struct kvmppc_vcore {
285 int n_runnable;
286 int n_busy;
287 int num_threads;
288 int entry_exit_count;
289 int n_woken;
290 int nap_count;
291 int napping_threads;
292 int first_vcpuid;
293 u16 pcpu;
294 u16 last_cpu;
295 u8 vcore_state;
296 u8 in_guest;
297 struct list_head runnable_threads;
298 spinlock_t lock;
299 wait_queue_head_t wq;
300 u64 stolen_tb;
301 u64 preempt_tb;
302 struct kvm_vcpu *runner;
303 struct kvm *kvm;
304 u64 tb_offset; /* guest timebase - host timebase */
305 ulong lpcr;
306 u32 arch_compat;
307 ulong pcr;
308 ulong dpdes; /* doorbell state (POWER8) */
309 void *mpp_buffer; /* Micro Partition Prefetch buffer */
310 bool mpp_buffer_is_valid;
311 };
312
313 #define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff)
314 #define VCORE_EXIT_COUNT(vc) ((vc)->entry_exit_count >> 8)
315
316 /* Values for vcore_state */
317 #define VCORE_INACTIVE 0
318 #define VCORE_SLEEPING 1
319 #define VCORE_STARTING 2
320 #define VCORE_RUNNING 3
321 #define VCORE_EXITING 4
322
323 /*
324 * Struct used to manage memory for a virtual processor area
325 * registered by a PAPR guest. There are three types of area
326 * that a guest can register.
327 */
328 struct kvmppc_vpa {
329 unsigned long gpa; /* Current guest phys addr */
330 void *pinned_addr; /* Address in kernel linear mapping */
331 void *pinned_end; /* End of region */
332 unsigned long next_gpa; /* Guest phys addr for update */
333 unsigned long len; /* Number of bytes required */
334 u8 update_pending; /* 1 => update pinned_addr from next_gpa */
335 bool dirty; /* true => area has been modified by kernel */
336 };
337
338 struct kvmppc_pte {
339 ulong eaddr;
340 u64 vpage;
341 ulong raddr;
342 bool may_read : 1;
343 bool may_write : 1;
344 bool may_execute : 1;
345 u8 page_size; /* MMU_PAGE_xxx */
346 };
347
348 struct kvmppc_mmu {
349 /* book3s_64 only */
350 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
351 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
352 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
353 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
354 void (*slbia)(struct kvm_vcpu *vcpu);
355 /* book3s */
356 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
357 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
358 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
359 struct kvmppc_pte *pte, bool data, bool iswrite);
360 void (*reset_msr)(struct kvm_vcpu *vcpu);
361 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
362 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
363 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
364 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
365 };
366
367 struct kvmppc_slb {
368 u64 esid;
369 u64 vsid;
370 u64 orige;
371 u64 origv;
372 bool valid : 1;
373 bool Ks : 1;
374 bool Kp : 1;
375 bool nx : 1;
376 bool large : 1; /* PTEs are 16MB */
377 bool tb : 1; /* 1TB segment */
378 bool class : 1;
379 u8 base_page_size; /* MMU_PAGE_xxx */
380 };
381
382 # ifdef CONFIG_PPC_FSL_BOOK3E
383 #define KVMPPC_BOOKE_IAC_NUM 2
384 #define KVMPPC_BOOKE_DAC_NUM 2
385 # else
386 #define KVMPPC_BOOKE_IAC_NUM 4
387 #define KVMPPC_BOOKE_DAC_NUM 2
388 # endif
389 #define KVMPPC_BOOKE_MAX_IAC 4
390 #define KVMPPC_BOOKE_MAX_DAC 2
391
392 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */
393 #define KVMPPC_EPR_NONE 0 /* EPR not supported */
394 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */
395 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */
396
397 #define KVMPPC_IRQ_DEFAULT 0
398 #define KVMPPC_IRQ_MPIC 1
399 #define KVMPPC_IRQ_XICS 2
400
401 struct openpic;
402
403 struct kvm_vcpu_arch {
404 ulong host_stack;
405 u32 host_pid;
406 #ifdef CONFIG_PPC_BOOK3S
407 struct kvmppc_slb slb[64];
408 int slb_max; /* 1 + index of last valid entry in slb[] */
409 int slb_nr; /* total number of entries in SLB */
410 struct kvmppc_mmu mmu;
411 struct kvmppc_vcpu_book3s *book3s;
412 #endif
413 #ifdef CONFIG_PPC_BOOK3S_32
414 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
415 #endif
416
417 ulong gpr[32];
418
419 struct thread_fp_state fp;
420
421 #ifdef CONFIG_SPE
422 ulong evr[32];
423 ulong spefscr;
424 ulong host_spefscr;
425 u64 acc;
426 #endif
427 #ifdef CONFIG_ALTIVEC
428 struct thread_vr_state vr;
429 #endif
430
431 #ifdef CONFIG_KVM_BOOKE_HV
432 u32 host_mas4;
433 u32 host_mas6;
434 u32 shadow_epcr;
435 u32 shadow_msrp;
436 u32 eplc;
437 u32 epsc;
438 u32 oldpir;
439 #endif
440
441 #if defined(CONFIG_BOOKE)
442 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT)
443 u32 epcr;
444 #endif
445 #endif
446
447 #ifdef CONFIG_PPC_BOOK3S
448 /* For Gekko paired singles */
449 u32 qpr[32];
450 #endif
451
452 ulong pc;
453 ulong ctr;
454 ulong lr;
455 #ifdef CONFIG_PPC_BOOK3S
456 ulong tar;
457 #endif
458
459 ulong xer;
460 u32 cr;
461
462 #ifdef CONFIG_PPC_BOOK3S
463 ulong hflags;
464 ulong guest_owned_ext;
465 ulong purr;
466 ulong spurr;
467 ulong ic;
468 ulong vtb;
469 ulong dscr;
470 ulong amr;
471 ulong uamor;
472 ulong iamr;
473 u32 ctrl;
474 u32 dabrx;
475 ulong dabr;
476 ulong dawr;
477 ulong dawrx;
478 ulong ciabr;
479 ulong cfar;
480 ulong ppr;
481 ulong pspb;
482 ulong fscr;
483 ulong shadow_fscr;
484 ulong ebbhr;
485 ulong ebbrr;
486 ulong bescr;
487 ulong csigr;
488 ulong tacr;
489 ulong tcscr;
490 ulong acop;
491 ulong wort;
492 ulong shadow_srr1;
493 #endif
494 u32 vrsave; /* also USPRG0 */
495 u32 mmucr;
496 /* shadow_msr is unused for BookE HV */
497 ulong shadow_msr;
498 ulong csrr0;
499 ulong csrr1;
500 ulong dsrr0;
501 ulong dsrr1;
502 ulong mcsrr0;
503 ulong mcsrr1;
504 ulong mcsr;
505 u32 dec;
506 #ifdef CONFIG_BOOKE
507 u32 decar;
508 #endif
509 /* Time base value when we entered the guest */
510 u64 entry_tb;
511 u64 entry_vtb;
512 u64 entry_ic;
513 u32 tcr;
514 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */
515 u32 ivor[64];
516 ulong ivpr;
517 u32 pvr;
518
519 u32 shadow_pid;
520 u32 shadow_pid1;
521 u32 pid;
522 u32 swap_pid;
523
524 u32 ccr0;
525 u32 ccr1;
526 u32 dbsr;
527
528 u64 mmcr[5];
529 u32 pmc[8];
530 u32 spmc[2];
531 u64 siar;
532 u64 sdar;
533 u64 sier;
534 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
535 u64 tfhar;
536 u64 texasr;
537 u64 tfiar;
538
539 u32 cr_tm;
540 u64 xer_tm;
541 u64 lr_tm;
542 u64 ctr_tm;
543 u64 amr_tm;
544 u64 ppr_tm;
545 u64 dscr_tm;
546 u64 tar_tm;
547
548 ulong gpr_tm[32];
549
550 struct thread_fp_state fp_tm;
551
552 struct thread_vr_state vr_tm;
553 u32 vrsave_tm; /* also USPRG0 */
554
555 #endif
556
557 #ifdef CONFIG_KVM_EXIT_TIMING
558 struct mutex exit_timing_lock;
559 struct kvmppc_exit_timing timing_exit;
560 struct kvmppc_exit_timing timing_last_enter;
561 u32 last_exit_type;
562 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
563 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
564 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
565 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
566 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
567 u64 timing_last_exit;
568 struct dentry *debugfs_exit_timing;
569 #endif
570
571 #ifdef CONFIG_PPC_BOOK3S
572 ulong fault_dar;
573 u32 fault_dsisr;
574 unsigned long intr_msr;
575 #endif
576
577 #ifdef CONFIG_BOOKE
578 ulong fault_dear;
579 ulong fault_esr;
580 ulong queued_dear;
581 ulong queued_esr;
582 spinlock_t wdt_lock;
583 struct timer_list wdt_timer;
584 u32 tlbcfg[4];
585 u32 tlbps[4];
586 u32 mmucfg;
587 u32 eptcfg;
588 u32 epr;
589 u64 sprg9;
590 u32 pwrmgtcr0;
591 u32 crit_save;
592 /* guest debug registers*/
593 struct debug_reg dbg_reg;
594 #endif
595 gpa_t paddr_accessed;
596 gva_t vaddr_accessed;
597 pgd_t *pgdir;
598
599 u8 io_gpr; /* GPR used as IO source/target */
600 u8 mmio_is_bigendian;
601 u8 mmio_sign_extend;
602 u8 osi_needed;
603 u8 osi_enabled;
604 u8 papr_enabled;
605 u8 watchdog_enabled;
606 u8 sane;
607 u8 cpu_type;
608 u8 hcall_needed;
609 u8 epr_flags; /* KVMPPC_EPR_xxx */
610 u8 epr_needed;
611
612 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
613
614 struct hrtimer dec_timer;
615 u64 dec_jiffies;
616 u64 dec_expires;
617 unsigned long pending_exceptions;
618 u8 ceded;
619 u8 prodded;
620 u32 last_inst;
621
622 wait_queue_head_t *wqp;
623 struct kvmppc_vcore *vcore;
624 int ret;
625 int trap;
626 int state;
627 int ptid;
628 bool timer_running;
629 wait_queue_head_t cpu_run;
630
631 struct kvm_vcpu_arch_shared *shared;
632 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
633 bool shared_big_endian;
634 #endif
635 unsigned long magic_page_pa; /* phys addr to map the magic page to */
636 unsigned long magic_page_ea; /* effect. addr to map the magic page to */
637 bool disable_kernel_nx;
638
639 int irq_type; /* one of KVM_IRQ_* */
640 int irq_cpu_id;
641 struct openpic *mpic; /* KVM_IRQ_MPIC */
642 #ifdef CONFIG_KVM_XICS
643 struct kvmppc_icp *icp; /* XICS presentation controller */
644 #endif
645
646 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
647 struct kvm_vcpu_arch_shared shregs;
648
649 unsigned long pgfault_addr;
650 long pgfault_index;
651 unsigned long pgfault_hpte[2];
652
653 struct list_head run_list;
654 struct task_struct *run_task;
655 struct kvm_run *kvm_run;
656
657 spinlock_t vpa_update_lock;
658 struct kvmppc_vpa vpa;
659 struct kvmppc_vpa dtl;
660 struct dtl_entry *dtl_ptr;
661 unsigned long dtl_index;
662 u64 stolen_logged;
663 struct kvmppc_vpa slb_shadow;
664
665 spinlock_t tbacct_lock;
666 u64 busy_stolen;
667 u64 busy_preempt;
668 #endif
669 };
670
671 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
672
673 /* Values for vcpu->arch.state */
674 #define KVMPPC_VCPU_NOTREADY 0
675 #define KVMPPC_VCPU_RUNNABLE 1
676 #define KVMPPC_VCPU_BUSY_IN_HOST 2
677
678 /* Values for vcpu->arch.io_gpr */
679 #define KVM_MMIO_REG_MASK 0x001f
680 #define KVM_MMIO_REG_EXT_MASK 0xffe0
681 #define KVM_MMIO_REG_GPR 0x0000
682 #define KVM_MMIO_REG_FPR 0x0020
683 #define KVM_MMIO_REG_QPR 0x0040
684 #define KVM_MMIO_REG_FQPR 0x0060
685
686 #define __KVM_HAVE_ARCH_WQP
687 #define __KVM_HAVE_CREATE_DEVICE
688
kvm_arch_hardware_disable(void)689 static inline void kvm_arch_hardware_disable(void) {}
kvm_arch_hardware_unsetup(void)690 static inline void kvm_arch_hardware_unsetup(void) {}
kvm_arch_sync_events(struct kvm * kvm)691 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
kvm_arch_memslots_updated(struct kvm * kvm)692 static inline void kvm_arch_memslots_updated(struct kvm *kvm) {}
kvm_arch_flush_shadow_all(struct kvm * kvm)693 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
kvm_arch_sched_in(struct kvm_vcpu * vcpu,int cpu)694 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
kvm_arch_exit(void)695 static inline void kvm_arch_exit(void) {}
696
697 #endif /* __POWERPC_KVM_HOST_H__ */
698