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_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 /* XICS components, defined in book3s_xics.c */ 184 struct kvmppc_xics; 185 struct kvmppc_icp; 186 187 /* 188 * The reverse mapping array has one entry for each HPTE, 189 * which stores the guest's view of the second word of the HPTE 190 * (including the guest physical address of the mapping), 191 * plus forward and backward pointers in a doubly-linked ring 192 * of HPTEs that map the same host page. The pointers in this 193 * ring are 32-bit HPTE indexes, to save space. 194 */ 195 struct revmap_entry { 196 unsigned long guest_rpte; 197 unsigned int forw, back; 198 }; 199 200 /* 201 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 202 * and bit 32 as a present flag. The bottom 32 bits are the 203 * index in the guest HPT of a HPTE that points to the page. 204 */ 205 #define KVMPPC_RMAP_LOCK_BIT 63 206 #define KVMPPC_RMAP_RC_SHIFT 32 207 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 208 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 209 #define KVMPPC_RMAP_PRESENT 0x100000000ul 210 #define KVMPPC_RMAP_INDEX 0xfffffffful 211 212 struct kvm_arch_memory_slot { 213 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 214 unsigned long *rmap; 215 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 216 }; 217 218 struct kvm_arch { 219 unsigned int lpid; 220 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 221 unsigned long hpt_virt; 222 struct revmap_entry *revmap; 223 unsigned int host_lpid; 224 unsigned long host_lpcr; 225 unsigned long sdr1; 226 unsigned long host_sdr1; 227 int tlbie_lock; 228 unsigned long lpcr; 229 unsigned long rmor; 230 struct kvm_rma_info *rma; 231 unsigned long vrma_slb_v; 232 int rma_setup_done; 233 u32 hpt_order; 234 atomic_t vcpus_running; 235 u32 online_vcores; 236 unsigned long hpt_npte; 237 unsigned long hpt_mask; 238 atomic_t hpte_mod_interest; 239 cpumask_t need_tlb_flush; 240 int hpt_cma_alloc; 241 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 242 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 243 struct mutex hpt_mutex; 244 #endif 245 #ifdef CONFIG_PPC_BOOK3S_64 246 struct list_head spapr_tce_tables; 247 struct list_head rtas_tokens; 248 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 249 #endif 250 #ifdef CONFIG_KVM_MPIC 251 struct openpic *mpic; 252 #endif 253 #ifdef CONFIG_KVM_XICS 254 struct kvmppc_xics *xics; 255 #endif 256 struct kvmppc_ops *kvm_ops; 257 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 258 /* This array can grow quite large, keep it at the end */ 259 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 260 #endif 261 }; 262 263 /* 264 * Struct for a virtual core. 265 * Note: entry_exit_count combines an entry count in the bottom 8 bits 266 * and an exit count in the next 8 bits. This is so that we can 267 * atomically increment the entry count iff the exit count is 0 268 * without taking the lock. 269 */ 270 struct kvmppc_vcore { 271 int n_runnable; 272 int n_busy; 273 int num_threads; 274 int entry_exit_count; 275 int n_woken; 276 int nap_count; 277 int napping_threads; 278 int first_vcpuid; 279 u16 pcpu; 280 u16 last_cpu; 281 u8 vcore_state; 282 u8 in_guest; 283 struct list_head runnable_threads; 284 spinlock_t lock; 285 wait_queue_head_t wq; 286 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 287 u64 stolen_tb; 288 u64 preempt_tb; 289 struct kvm_vcpu *runner; 290 struct kvm *kvm; 291 u64 tb_offset; /* guest timebase - host timebase */ 292 ulong lpcr; 293 u32 arch_compat; 294 ulong pcr; 295 ulong dpdes; /* doorbell state (POWER8) */ 296 void *mpp_buffer; /* Micro Partition Prefetch buffer */ 297 bool mpp_buffer_is_valid; 298 ulong conferring_threads; 299 }; 300 301 #define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff) 302 #define VCORE_EXIT_COUNT(vc) ((vc)->entry_exit_count >> 8) 303 304 /* Values for vcore_state */ 305 #define VCORE_INACTIVE 0 306 #define VCORE_SLEEPING 1 307 #define VCORE_STARTING 2 308 #define VCORE_RUNNING 3 309 #define VCORE_EXITING 4 310 311 /* 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 # ifdef CONFIG_PPC_FSL_BOOK3E 371 #define KVMPPC_BOOKE_IAC_NUM 2 372 #define KVMPPC_BOOKE_DAC_NUM 2 373 # else 374 #define KVMPPC_BOOKE_IAC_NUM 4 375 #define KVMPPC_BOOKE_DAC_NUM 2 376 # endif 377 #define KVMPPC_BOOKE_MAX_IAC 4 378 #define KVMPPC_BOOKE_MAX_DAC 2 379 380 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 381 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 382 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 383 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 384 385 #define KVMPPC_IRQ_DEFAULT 0 386 #define KVMPPC_IRQ_MPIC 1 387 #define KVMPPC_IRQ_XICS 2 388 389 struct openpic; 390 391 struct kvm_vcpu_arch { 392 ulong host_stack; 393 u32 host_pid; 394 #ifdef CONFIG_PPC_BOOK3S 395 struct kvmppc_slb slb[64]; 396 int slb_max; /* 1 + index of last valid entry in slb[] */ 397 int slb_nr; /* total number of entries in SLB */ 398 struct kvmppc_mmu mmu; 399 struct kvmppc_vcpu_book3s *book3s; 400 #endif 401 #ifdef CONFIG_PPC_BOOK3S_32 402 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 403 #endif 404 405 ulong gpr[32]; 406 407 struct thread_fp_state fp; 408 409 #ifdef CONFIG_SPE 410 ulong evr[32]; 411 ulong spefscr; 412 ulong host_spefscr; 413 u64 acc; 414 #endif 415 #ifdef CONFIG_ALTIVEC 416 struct thread_vr_state vr; 417 #endif 418 419 #ifdef CONFIG_KVM_BOOKE_HV 420 u32 host_mas4; 421 u32 host_mas6; 422 u32 shadow_epcr; 423 u32 shadow_msrp; 424 u32 eplc; 425 u32 epsc; 426 u32 oldpir; 427 #endif 428 429 #if defined(CONFIG_BOOKE) 430 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 431 u32 epcr; 432 #endif 433 #endif 434 435 #ifdef CONFIG_PPC_BOOK3S 436 /* For Gekko paired singles */ 437 u32 qpr[32]; 438 #endif 439 440 ulong pc; 441 ulong ctr; 442 ulong lr; 443 #ifdef CONFIG_PPC_BOOK3S 444 ulong tar; 445 #endif 446 447 ulong xer; 448 u32 cr; 449 450 #ifdef CONFIG_PPC_BOOK3S 451 ulong hflags; 452 ulong guest_owned_ext; 453 ulong purr; 454 ulong spurr; 455 ulong ic; 456 ulong vtb; 457 ulong dscr; 458 ulong amr; 459 ulong uamor; 460 ulong iamr; 461 u32 ctrl; 462 u32 dabrx; 463 ulong dabr; 464 ulong dawr; 465 ulong dawrx; 466 ulong ciabr; 467 ulong cfar; 468 ulong ppr; 469 ulong pspb; 470 ulong fscr; 471 ulong shadow_fscr; 472 ulong ebbhr; 473 ulong ebbrr; 474 ulong bescr; 475 ulong csigr; 476 ulong tacr; 477 ulong tcscr; 478 ulong acop; 479 ulong wort; 480 ulong shadow_srr1; 481 #endif 482 u32 vrsave; /* also USPRG0 */ 483 u32 mmucr; 484 /* shadow_msr is unused for BookE HV */ 485 ulong shadow_msr; 486 ulong csrr0; 487 ulong csrr1; 488 ulong dsrr0; 489 ulong dsrr1; 490 ulong mcsrr0; 491 ulong mcsrr1; 492 ulong mcsr; 493 u32 dec; 494 #ifdef CONFIG_BOOKE 495 u32 decar; 496 #endif 497 /* Time base value when we entered the guest */ 498 u64 entry_tb; 499 u64 entry_vtb; 500 u64 entry_ic; 501 u32 tcr; 502 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 503 u32 ivor[64]; 504 ulong ivpr; 505 u32 pvr; 506 507 u32 shadow_pid; 508 u32 shadow_pid1; 509 u32 pid; 510 u32 swap_pid; 511 512 u32 ccr0; 513 u32 ccr1; 514 u32 dbsr; 515 516 u64 mmcr[5]; 517 u32 pmc[8]; 518 u32 spmc[2]; 519 u64 siar; 520 u64 sdar; 521 u64 sier; 522 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 523 u64 tfhar; 524 u64 texasr; 525 u64 tfiar; 526 527 u32 cr_tm; 528 u64 lr_tm; 529 u64 ctr_tm; 530 u64 amr_tm; 531 u64 ppr_tm; 532 u64 dscr_tm; 533 u64 tar_tm; 534 535 ulong gpr_tm[32]; 536 537 struct thread_fp_state fp_tm; 538 539 struct thread_vr_state vr_tm; 540 u32 vrsave_tm; /* also USPRG0 */ 541 542 #endif 543 544 #ifdef CONFIG_KVM_EXIT_TIMING 545 struct mutex exit_timing_lock; 546 struct kvmppc_exit_timing timing_exit; 547 struct kvmppc_exit_timing timing_last_enter; 548 u32 last_exit_type; 549 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 550 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 551 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 552 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 553 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 554 u64 timing_last_exit; 555 struct dentry *debugfs_exit_timing; 556 #endif 557 558 #ifdef CONFIG_PPC_BOOK3S 559 ulong fault_dar; 560 u32 fault_dsisr; 561 unsigned long intr_msr; 562 #endif 563 564 #ifdef CONFIG_BOOKE 565 ulong fault_dear; 566 ulong fault_esr; 567 ulong queued_dear; 568 ulong queued_esr; 569 spinlock_t wdt_lock; 570 struct timer_list wdt_timer; 571 u32 tlbcfg[4]; 572 u32 tlbps[4]; 573 u32 mmucfg; 574 u32 eptcfg; 575 u32 epr; 576 u64 sprg9; 577 u32 pwrmgtcr0; 578 u32 crit_save; 579 /* guest debug registers*/ 580 struct debug_reg dbg_reg; 581 #endif 582 gpa_t paddr_accessed; 583 gva_t vaddr_accessed; 584 pgd_t *pgdir; 585 586 u8 io_gpr; /* GPR used as IO source/target */ 587 u8 mmio_is_bigendian; 588 u8 mmio_sign_extend; 589 u8 osi_needed; 590 u8 osi_enabled; 591 u8 papr_enabled; 592 u8 watchdog_enabled; 593 u8 sane; 594 u8 cpu_type; 595 u8 hcall_needed; 596 u8 epr_flags; /* KVMPPC_EPR_xxx */ 597 u8 epr_needed; 598 599 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 600 601 struct hrtimer dec_timer; 602 u64 dec_jiffies; 603 u64 dec_expires; 604 unsigned long pending_exceptions; 605 u8 ceded; 606 u8 prodded; 607 u32 last_inst; 608 609 wait_queue_head_t *wqp; 610 struct kvmppc_vcore *vcore; 611 int ret; 612 int trap; 613 int state; 614 int ptid; 615 bool timer_running; 616 wait_queue_head_t cpu_run; 617 618 struct kvm_vcpu_arch_shared *shared; 619 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 620 bool shared_big_endian; 621 #endif 622 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 623 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 624 bool disable_kernel_nx; 625 626 int irq_type; /* one of KVM_IRQ_* */ 627 int irq_cpu_id; 628 struct openpic *mpic; /* KVM_IRQ_MPIC */ 629 #ifdef CONFIG_KVM_XICS 630 struct kvmppc_icp *icp; /* XICS presentation controller */ 631 #endif 632 633 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 634 struct kvm_vcpu_arch_shared shregs; 635 636 unsigned long pgfault_addr; 637 long pgfault_index; 638 unsigned long pgfault_hpte[2]; 639 640 struct list_head run_list; 641 struct task_struct *run_task; 642 struct kvm_run *kvm_run; 643 644 spinlock_t vpa_update_lock; 645 struct kvmppc_vpa vpa; 646 struct kvmppc_vpa dtl; 647 struct dtl_entry *dtl_ptr; 648 unsigned long dtl_index; 649 u64 stolen_logged; 650 struct kvmppc_vpa slb_shadow; 651 652 spinlock_t tbacct_lock; 653 u64 busy_stolen; 654 u64 busy_preempt; 655 656 u32 emul_inst; 657 #endif 658 }; 659 660 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 661 662 /* Values for vcpu->arch.state */ 663 #define KVMPPC_VCPU_NOTREADY 0 664 #define KVMPPC_VCPU_RUNNABLE 1 665 #define KVMPPC_VCPU_BUSY_IN_HOST 2 666 667 /* Values for vcpu->arch.io_gpr */ 668 #define KVM_MMIO_REG_MASK 0x001f 669 #define KVM_MMIO_REG_EXT_MASK 0xffe0 670 #define KVM_MMIO_REG_GPR 0x0000 671 #define KVM_MMIO_REG_FPR 0x0020 672 #define KVM_MMIO_REG_QPR 0x0040 673 #define KVM_MMIO_REG_FQPR 0x0060 674 675 #define __KVM_HAVE_ARCH_WQP 676 #define __KVM_HAVE_CREATE_DEVICE 677 678 static inline void kvm_arch_hardware_disable(void) {} 679 static inline void kvm_arch_hardware_unsetup(void) {} 680 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 681 static inline void kvm_arch_memslots_updated(struct kvm *kvm) {} 682 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 683 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 684 static inline void kvm_arch_exit(void) {} 685 686 #endif /* __POWERPC_KVM_HOST_H__ */ 687