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 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 lr_tm; 541 u64 ctr_tm; 542 u64 amr_tm; 543 u64 ppr_tm; 544 u64 dscr_tm; 545 u64 tar_tm; 546 547 ulong gpr_tm[32]; 548 549 struct thread_fp_state fp_tm; 550 551 struct thread_vr_state vr_tm; 552 u32 vrsave_tm; /* also USPRG0 */ 553 554 #endif 555 556 #ifdef CONFIG_KVM_EXIT_TIMING 557 struct mutex exit_timing_lock; 558 struct kvmppc_exit_timing timing_exit; 559 struct kvmppc_exit_timing timing_last_enter; 560 u32 last_exit_type; 561 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 562 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 563 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 564 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 565 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 566 u64 timing_last_exit; 567 struct dentry *debugfs_exit_timing; 568 #endif 569 570 #ifdef CONFIG_PPC_BOOK3S 571 ulong fault_dar; 572 u32 fault_dsisr; 573 unsigned long intr_msr; 574 #endif 575 576 #ifdef CONFIG_BOOKE 577 ulong fault_dear; 578 ulong fault_esr; 579 ulong queued_dear; 580 ulong queued_esr; 581 spinlock_t wdt_lock; 582 struct timer_list wdt_timer; 583 u32 tlbcfg[4]; 584 u32 tlbps[4]; 585 u32 mmucfg; 586 u32 eptcfg; 587 u32 epr; 588 u64 sprg9; 589 u32 pwrmgtcr0; 590 u32 crit_save; 591 /* guest debug registers*/ 592 struct debug_reg dbg_reg; 593 #endif 594 gpa_t paddr_accessed; 595 gva_t vaddr_accessed; 596 pgd_t *pgdir; 597 598 u8 io_gpr; /* GPR used as IO source/target */ 599 u8 mmio_is_bigendian; 600 u8 mmio_sign_extend; 601 u8 osi_needed; 602 u8 osi_enabled; 603 u8 papr_enabled; 604 u8 watchdog_enabled; 605 u8 sane; 606 u8 cpu_type; 607 u8 hcall_needed; 608 u8 epr_flags; /* KVMPPC_EPR_xxx */ 609 u8 epr_needed; 610 611 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 612 613 struct hrtimer dec_timer; 614 u64 dec_jiffies; 615 u64 dec_expires; 616 unsigned long pending_exceptions; 617 u8 ceded; 618 u8 prodded; 619 u32 last_inst; 620 621 wait_queue_head_t *wqp; 622 struct kvmppc_vcore *vcore; 623 int ret; 624 int trap; 625 int state; 626 int ptid; 627 bool timer_running; 628 wait_queue_head_t cpu_run; 629 630 struct kvm_vcpu_arch_shared *shared; 631 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 632 bool shared_big_endian; 633 #endif 634 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 635 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 636 bool disable_kernel_nx; 637 638 int irq_type; /* one of KVM_IRQ_* */ 639 int irq_cpu_id; 640 struct openpic *mpic; /* KVM_IRQ_MPIC */ 641 #ifdef CONFIG_KVM_XICS 642 struct kvmppc_icp *icp; /* XICS presentation controller */ 643 #endif 644 645 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 646 struct kvm_vcpu_arch_shared shregs; 647 648 unsigned long pgfault_addr; 649 long pgfault_index; 650 unsigned long pgfault_hpte[2]; 651 652 struct list_head run_list; 653 struct task_struct *run_task; 654 struct kvm_run *kvm_run; 655 656 spinlock_t vpa_update_lock; 657 struct kvmppc_vpa vpa; 658 struct kvmppc_vpa dtl; 659 struct dtl_entry *dtl_ptr; 660 unsigned long dtl_index; 661 u64 stolen_logged; 662 struct kvmppc_vpa slb_shadow; 663 664 spinlock_t tbacct_lock; 665 u64 busy_stolen; 666 u64 busy_preempt; 667 #endif 668 }; 669 670 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 671 672 /* Values for vcpu->arch.state */ 673 #define KVMPPC_VCPU_NOTREADY 0 674 #define KVMPPC_VCPU_RUNNABLE 1 675 #define KVMPPC_VCPU_BUSY_IN_HOST 2 676 677 /* Values for vcpu->arch.io_gpr */ 678 #define KVM_MMIO_REG_MASK 0x001f 679 #define KVM_MMIO_REG_EXT_MASK 0xffe0 680 #define KVM_MMIO_REG_GPR 0x0000 681 #define KVM_MMIO_REG_FPR 0x0020 682 #define KVM_MMIO_REG_QPR 0x0040 683 #define KVM_MMIO_REG_FQPR 0x0060 684 685 #define __KVM_HAVE_ARCH_WQP 686 #define __KVM_HAVE_CREATE_DEVICE 687 688 static inline void kvm_arch_hardware_disable(void) {} 689 static inline void kvm_arch_hardware_unsetup(void) {} 690 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 691 static inline void kvm_arch_memslots_updated(struct kvm *kvm) {} 692 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 693 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 694 static inline void kvm_arch_exit(void) {} 695 696 #endif /* __POWERPC_KVM_HOST_H__ */ 697