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_is_bigendian; 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__ */ 688