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 512 42 43 #include <asm/cputhreads.h> 44 #define KVM_MAX_VCPU_ID (threads_per_subcore * KVM_MAX_VCORES) 45 46 #define __KVM_HAVE_ARCH_INTC_INITIALIZED 47 48 #ifdef CONFIG_KVM_MMIO 49 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 50 #endif 51 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 52 53 /* These values are internal and can be increased later */ 54 #define KVM_NR_IRQCHIPS 1 55 #define KVM_IRQCHIP_NUM_PINS 256 56 57 /* PPC-specific vcpu->requests bit members */ 58 #define KVM_REQ_WATCHDOG 8 59 #define KVM_REQ_EPR_EXIT 9 60 61 #include <linux/mmu_notifier.h> 62 63 #define KVM_ARCH_WANT_MMU_NOTIFIER 64 65 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 66 extern int kvm_unmap_hva_range(struct kvm *kvm, 67 unsigned long start, unsigned long end); 68 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 69 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 70 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 71 72 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 73 unsigned long address) 74 { 75 } 76 77 #define HPTEG_CACHE_NUM (1 << 15) 78 #define HPTEG_HASH_BITS_PTE 13 79 #define HPTEG_HASH_BITS_PTE_LONG 12 80 #define HPTEG_HASH_BITS_VPTE 13 81 #define HPTEG_HASH_BITS_VPTE_LONG 5 82 #define HPTEG_HASH_BITS_VPTE_64K 11 83 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 84 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 85 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 86 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 87 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 88 89 /* Physical Address Mask - allowed range of real mode RAM access */ 90 #define KVM_PAM 0x0fffffffffffffffULL 91 92 struct lppaca; 93 struct slb_shadow; 94 struct dtl_entry; 95 96 struct kvmppc_vcpu_book3s; 97 struct kvmppc_book3s_shadow_vcpu; 98 99 struct kvm_vm_stat { 100 ulong remote_tlb_flush; 101 }; 102 103 struct kvm_vcpu_stat { 104 u64 sum_exits; 105 u64 mmio_exits; 106 u64 signal_exits; 107 u64 light_exits; 108 /* Account for special types of light exits: */ 109 u64 itlb_real_miss_exits; 110 u64 itlb_virt_miss_exits; 111 u64 dtlb_real_miss_exits; 112 u64 dtlb_virt_miss_exits; 113 u64 syscall_exits; 114 u64 isi_exits; 115 u64 dsi_exits; 116 u64 emulated_inst_exits; 117 u64 dec_exits; 118 u64 ext_intr_exits; 119 u64 halt_poll_success_ns; 120 u64 halt_poll_fail_ns; 121 u64 halt_wait_ns; 122 u64 halt_successful_poll; 123 u64 halt_attempted_poll; 124 u64 halt_successful_wait; 125 u64 halt_poll_invalid; 126 u64 halt_wakeup; 127 u64 dbell_exits; 128 u64 gdbell_exits; 129 u64 ld; 130 u64 st; 131 #ifdef CONFIG_PPC_BOOK3S 132 u64 pf_storage; 133 u64 pf_instruc; 134 u64 sp_storage; 135 u64 sp_instruc; 136 u64 queue_intr; 137 u64 ld_slow; 138 u64 st_slow; 139 #endif 140 u64 pthru_all; 141 u64 pthru_host; 142 u64 pthru_bad_aff; 143 }; 144 145 enum kvm_exit_types { 146 MMIO_EXITS, 147 SIGNAL_EXITS, 148 ITLB_REAL_MISS_EXITS, 149 ITLB_VIRT_MISS_EXITS, 150 DTLB_REAL_MISS_EXITS, 151 DTLB_VIRT_MISS_EXITS, 152 SYSCALL_EXITS, 153 ISI_EXITS, 154 DSI_EXITS, 155 EMULATED_INST_EXITS, 156 EMULATED_MTMSRWE_EXITS, 157 EMULATED_WRTEE_EXITS, 158 EMULATED_MTSPR_EXITS, 159 EMULATED_MFSPR_EXITS, 160 EMULATED_MTMSR_EXITS, 161 EMULATED_MFMSR_EXITS, 162 EMULATED_TLBSX_EXITS, 163 EMULATED_TLBWE_EXITS, 164 EMULATED_RFI_EXITS, 165 EMULATED_RFCI_EXITS, 166 EMULATED_RFDI_EXITS, 167 DEC_EXITS, 168 EXT_INTR_EXITS, 169 HALT_WAKEUP, 170 USR_PR_INST, 171 FP_UNAVAIL, 172 DEBUG_EXITS, 173 TIMEINGUEST, 174 DBELL_EXITS, 175 GDBELL_EXITS, 176 __NUMBER_OF_KVM_EXIT_TYPES 177 }; 178 179 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 180 struct kvmppc_exit_timing { 181 union { 182 u64 tv64; 183 struct { 184 u32 tbu, tbl; 185 } tv32; 186 }; 187 }; 188 189 struct kvmppc_pginfo { 190 unsigned long pfn; 191 atomic_t refcnt; 192 }; 193 194 struct kvmppc_spapr_tce_table { 195 struct list_head list; 196 struct kvm *kvm; 197 u64 liobn; 198 struct rcu_head rcu; 199 u32 page_shift; 200 u64 offset; /* in pages */ 201 u64 size; /* window size in pages */ 202 struct page *pages[0]; 203 }; 204 205 /* XICS components, defined in book3s_xics.c */ 206 struct kvmppc_xics; 207 struct kvmppc_icp; 208 209 struct kvmppc_passthru_irqmap; 210 211 /* 212 * The reverse mapping array has one entry for each HPTE, 213 * which stores the guest's view of the second word of the HPTE 214 * (including the guest physical address of the mapping), 215 * plus forward and backward pointers in a doubly-linked ring 216 * of HPTEs that map the same host page. The pointers in this 217 * ring are 32-bit HPTE indexes, to save space. 218 */ 219 struct revmap_entry { 220 unsigned long guest_rpte; 221 unsigned int forw, back; 222 }; 223 224 /* 225 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 226 * and bit 32 as a present flag. The bottom 32 bits are the 227 * index in the guest HPT of a HPTE that points to the page. 228 */ 229 #define KVMPPC_RMAP_LOCK_BIT 63 230 #define KVMPPC_RMAP_RC_SHIFT 32 231 #define KVMPPC_RMAP_CHG_SHIFT 48 232 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 233 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 234 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 235 #define KVMPPC_RMAP_PRESENT 0x100000000ul 236 #define KVMPPC_RMAP_INDEX 0xfffffffful 237 238 struct kvm_arch_memory_slot { 239 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 240 unsigned long *rmap; 241 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 242 }; 243 244 struct kvm_hpt_info { 245 /* Host virtual (linear mapping) address of guest HPT */ 246 unsigned long virt; 247 /* Array of reverse mapping entries for each guest HPTE */ 248 struct revmap_entry *rev; 249 /* Guest HPT size is 2**(order) bytes */ 250 u32 order; 251 /* 1 if HPT allocated with CMA, 0 otherwise */ 252 int cma; 253 }; 254 255 struct kvm_resize_hpt; 256 257 struct kvm_arch { 258 unsigned int lpid; 259 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 260 unsigned int tlb_sets; 261 struct kvm_hpt_info hpt; 262 atomic64_t mmio_update; 263 unsigned int host_lpid; 264 unsigned long host_lpcr; 265 unsigned long sdr1; 266 unsigned long host_sdr1; 267 int tlbie_lock; 268 unsigned long lpcr; 269 unsigned long vrma_slb_v; 270 int hpte_setup_done; 271 atomic_t vcpus_running; 272 u32 online_vcores; 273 atomic_t hpte_mod_interest; 274 cpumask_t need_tlb_flush; 275 cpumask_t cpu_in_guest; 276 u8 radix; 277 pgd_t *pgtable; 278 u64 process_table; 279 struct dentry *debugfs_dir; 280 struct dentry *htab_dentry; 281 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 282 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 283 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 284 struct mutex hpt_mutex; 285 #endif 286 #ifdef CONFIG_PPC_BOOK3S_64 287 struct list_head spapr_tce_tables; 288 struct list_head rtas_tokens; 289 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 290 #endif 291 #ifdef CONFIG_KVM_MPIC 292 struct openpic *mpic; 293 #endif 294 #ifdef CONFIG_KVM_XICS 295 struct kvmppc_xics *xics; 296 struct kvmppc_passthru_irqmap *pimap; 297 #endif 298 struct kvmppc_ops *kvm_ops; 299 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 300 /* This array can grow quite large, keep it at the end */ 301 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 302 #endif 303 }; 304 305 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 306 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 307 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 308 309 /* This bit is used when a vcore exit is triggered from outside the vcore */ 310 #define VCORE_EXIT_REQ 0x10000 311 312 /* 313 * Values for vcore_state. 314 * Note that these are arranged such that lower values 315 * (< VCORE_SLEEPING) don't require stolen time accounting 316 * on load/unload, and higher values do. 317 */ 318 #define VCORE_INACTIVE 0 319 #define VCORE_PREEMPT 1 320 #define VCORE_PIGGYBACK 2 321 #define VCORE_SLEEPING 3 322 #define VCORE_RUNNING 4 323 #define VCORE_EXITING 5 324 #define VCORE_POLLING 6 325 326 /* 327 * Struct used to manage memory for a virtual processor area 328 * registered by a PAPR guest. There are three types of area 329 * that a guest can register. 330 */ 331 struct kvmppc_vpa { 332 unsigned long gpa; /* Current guest phys addr */ 333 void *pinned_addr; /* Address in kernel linear mapping */ 334 void *pinned_end; /* End of region */ 335 unsigned long next_gpa; /* Guest phys addr for update */ 336 unsigned long len; /* Number of bytes required */ 337 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 338 bool dirty; /* true => area has been modified by kernel */ 339 }; 340 341 struct kvmppc_pte { 342 ulong eaddr; 343 u64 vpage; 344 ulong raddr; 345 bool may_read : 1; 346 bool may_write : 1; 347 bool may_execute : 1; 348 u8 page_size; /* MMU_PAGE_xxx */ 349 }; 350 351 struct kvmppc_mmu { 352 /* book3s_64 only */ 353 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 354 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 355 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 356 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 357 void (*slbia)(struct kvm_vcpu *vcpu); 358 /* book3s */ 359 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 360 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 361 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 362 struct kvmppc_pte *pte, bool data, bool iswrite); 363 void (*reset_msr)(struct kvm_vcpu *vcpu); 364 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 365 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 366 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 367 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 368 }; 369 370 struct kvmppc_slb { 371 u64 esid; 372 u64 vsid; 373 u64 orige; 374 u64 origv; 375 bool valid : 1; 376 bool Ks : 1; 377 bool Kp : 1; 378 bool nx : 1; 379 bool large : 1; /* PTEs are 16MB */ 380 bool tb : 1; /* 1TB segment */ 381 bool class : 1; 382 u8 base_page_size; /* MMU_PAGE_xxx */ 383 }; 384 385 /* Struct used to accumulate timing information in HV real mode code */ 386 struct kvmhv_tb_accumulator { 387 u64 seqcount; /* used to synchronize access, also count * 2 */ 388 u64 tb_total; /* total time in timebase ticks */ 389 u64 tb_min; /* min time */ 390 u64 tb_max; /* max time */ 391 }; 392 393 #ifdef CONFIG_PPC_BOOK3S_64 394 struct kvmppc_irq_map { 395 u32 r_hwirq; 396 u32 v_hwirq; 397 struct irq_desc *desc; 398 }; 399 400 #define KVMPPC_PIRQ_MAPPED 1024 401 struct kvmppc_passthru_irqmap { 402 int n_mapped; 403 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 404 }; 405 #endif 406 407 # ifdef CONFIG_PPC_FSL_BOOK3E 408 #define KVMPPC_BOOKE_IAC_NUM 2 409 #define KVMPPC_BOOKE_DAC_NUM 2 410 # else 411 #define KVMPPC_BOOKE_IAC_NUM 4 412 #define KVMPPC_BOOKE_DAC_NUM 2 413 # endif 414 #define KVMPPC_BOOKE_MAX_IAC 4 415 #define KVMPPC_BOOKE_MAX_DAC 2 416 417 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 418 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 419 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 420 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 421 422 #define KVMPPC_IRQ_DEFAULT 0 423 #define KVMPPC_IRQ_MPIC 1 424 #define KVMPPC_IRQ_XICS 2 425 426 #define MMIO_HPTE_CACHE_SIZE 4 427 428 struct mmio_hpte_cache_entry { 429 unsigned long hpte_v; 430 unsigned long hpte_r; 431 unsigned long rpte; 432 unsigned long pte_index; 433 unsigned long eaddr; 434 unsigned long slb_v; 435 long mmio_update; 436 unsigned int slb_base_pshift; 437 }; 438 439 struct mmio_hpte_cache { 440 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 441 unsigned int index; 442 }; 443 444 struct openpic; 445 446 struct kvm_vcpu_arch { 447 ulong host_stack; 448 u32 host_pid; 449 #ifdef CONFIG_PPC_BOOK3S 450 struct kvmppc_slb slb[64]; 451 int slb_max; /* 1 + index of last valid entry in slb[] */ 452 int slb_nr; /* total number of entries in SLB */ 453 struct kvmppc_mmu mmu; 454 struct kvmppc_vcpu_book3s *book3s; 455 #endif 456 #ifdef CONFIG_PPC_BOOK3S_32 457 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 458 #endif 459 460 ulong gpr[32]; 461 462 struct thread_fp_state fp; 463 464 #ifdef CONFIG_SPE 465 ulong evr[32]; 466 ulong spefscr; 467 ulong host_spefscr; 468 u64 acc; 469 #endif 470 #ifdef CONFIG_ALTIVEC 471 struct thread_vr_state vr; 472 #endif 473 474 #ifdef CONFIG_KVM_BOOKE_HV 475 u32 host_mas4; 476 u32 host_mas6; 477 u32 shadow_epcr; 478 u32 shadow_msrp; 479 u32 eplc; 480 u32 epsc; 481 u32 oldpir; 482 #endif 483 484 #if defined(CONFIG_BOOKE) 485 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 486 u32 epcr; 487 #endif 488 #endif 489 490 #ifdef CONFIG_PPC_BOOK3S 491 /* For Gekko paired singles */ 492 u32 qpr[32]; 493 #endif 494 495 ulong pc; 496 ulong ctr; 497 ulong lr; 498 #ifdef CONFIG_PPC_BOOK3S 499 ulong tar; 500 #endif 501 502 ulong xer; 503 u32 cr; 504 505 #ifdef CONFIG_PPC_BOOK3S 506 ulong hflags; 507 ulong guest_owned_ext; 508 ulong purr; 509 ulong spurr; 510 ulong ic; 511 ulong dscr; 512 ulong amr; 513 ulong uamor; 514 ulong iamr; 515 u32 ctrl; 516 u32 dabrx; 517 ulong dabr; 518 ulong dawr; 519 ulong dawrx; 520 ulong ciabr; 521 ulong cfar; 522 ulong ppr; 523 u32 pspb; 524 ulong fscr; 525 ulong shadow_fscr; 526 ulong ebbhr; 527 ulong ebbrr; 528 ulong bescr; 529 ulong csigr; 530 ulong tacr; 531 ulong tcscr; 532 ulong acop; 533 ulong wort; 534 ulong tid; 535 ulong psscr; 536 ulong shadow_srr1; 537 #endif 538 u32 vrsave; /* also USPRG0 */ 539 u32 mmucr; 540 /* shadow_msr is unused for BookE HV */ 541 ulong shadow_msr; 542 ulong csrr0; 543 ulong csrr1; 544 ulong dsrr0; 545 ulong dsrr1; 546 ulong mcsrr0; 547 ulong mcsrr1; 548 ulong mcsr; 549 u32 dec; 550 #ifdef CONFIG_BOOKE 551 u32 decar; 552 #endif 553 /* Time base value when we entered the guest */ 554 u64 entry_tb; 555 u64 entry_vtb; 556 u64 entry_ic; 557 u32 tcr; 558 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 559 u32 ivor[64]; 560 ulong ivpr; 561 u32 pvr; 562 563 u32 shadow_pid; 564 u32 shadow_pid1; 565 u32 pid; 566 u32 swap_pid; 567 568 u32 ccr0; 569 u32 ccr1; 570 u32 dbsr; 571 572 u64 mmcr[5]; 573 u32 pmc[8]; 574 u32 spmc[2]; 575 u64 siar; 576 u64 sdar; 577 u64 sier; 578 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 579 u64 tfhar; 580 u64 texasr; 581 u64 tfiar; 582 583 u32 cr_tm; 584 u64 xer_tm; 585 u64 lr_tm; 586 u64 ctr_tm; 587 u64 amr_tm; 588 u64 ppr_tm; 589 u64 dscr_tm; 590 u64 tar_tm; 591 592 ulong gpr_tm[32]; 593 594 struct thread_fp_state fp_tm; 595 596 struct thread_vr_state vr_tm; 597 u32 vrsave_tm; /* also USPRG0 */ 598 599 #endif 600 601 #ifdef CONFIG_KVM_EXIT_TIMING 602 struct mutex exit_timing_lock; 603 struct kvmppc_exit_timing timing_exit; 604 struct kvmppc_exit_timing timing_last_enter; 605 u32 last_exit_type; 606 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 607 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 608 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 609 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 610 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 611 u64 timing_last_exit; 612 struct dentry *debugfs_exit_timing; 613 #endif 614 615 #ifdef CONFIG_PPC_BOOK3S 616 ulong fault_dar; 617 u32 fault_dsisr; 618 unsigned long intr_msr; 619 ulong fault_gpa; /* guest real address of page fault (POWER9) */ 620 #endif 621 622 #ifdef CONFIG_BOOKE 623 ulong fault_dear; 624 ulong fault_esr; 625 ulong queued_dear; 626 ulong queued_esr; 627 spinlock_t wdt_lock; 628 struct timer_list wdt_timer; 629 u32 tlbcfg[4]; 630 u32 tlbps[4]; 631 u32 mmucfg; 632 u32 eptcfg; 633 u32 epr; 634 u64 sprg9; 635 u32 pwrmgtcr0; 636 u32 crit_save; 637 /* guest debug registers*/ 638 struct debug_reg dbg_reg; 639 #endif 640 gpa_t paddr_accessed; 641 gva_t vaddr_accessed; 642 pgd_t *pgdir; 643 644 u8 io_gpr; /* GPR used as IO source/target */ 645 u8 mmio_host_swabbed; 646 u8 mmio_sign_extend; 647 u8 osi_needed; 648 u8 osi_enabled; 649 u8 papr_enabled; 650 u8 watchdog_enabled; 651 u8 sane; 652 u8 cpu_type; 653 u8 hcall_needed; 654 u8 epr_flags; /* KVMPPC_EPR_xxx */ 655 u8 epr_needed; 656 657 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 658 659 struct hrtimer dec_timer; 660 u64 dec_jiffies; 661 u64 dec_expires; 662 unsigned long pending_exceptions; 663 u8 ceded; 664 u8 prodded; 665 u32 last_inst; 666 667 struct swait_queue_head *wqp; 668 struct kvmppc_vcore *vcore; 669 int ret; 670 int trap; 671 int state; 672 int ptid; 673 int thread_cpu; 674 int prev_cpu; 675 bool timer_running; 676 wait_queue_head_t cpu_run; 677 678 struct kvm_vcpu_arch_shared *shared; 679 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 680 bool shared_big_endian; 681 #endif 682 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 683 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 684 bool disable_kernel_nx; 685 686 int irq_type; /* one of KVM_IRQ_* */ 687 int irq_cpu_id; 688 struct openpic *mpic; /* KVM_IRQ_MPIC */ 689 #ifdef CONFIG_KVM_XICS 690 struct kvmppc_icp *icp; /* XICS presentation controller */ 691 #endif 692 693 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 694 struct kvm_vcpu_arch_shared shregs; 695 696 struct mmio_hpte_cache mmio_cache; 697 unsigned long pgfault_addr; 698 long pgfault_index; 699 unsigned long pgfault_hpte[2]; 700 struct mmio_hpte_cache_entry *pgfault_cache; 701 702 struct task_struct *run_task; 703 struct kvm_run *kvm_run; 704 705 spinlock_t vpa_update_lock; 706 struct kvmppc_vpa vpa; 707 struct kvmppc_vpa dtl; 708 struct dtl_entry *dtl_ptr; 709 unsigned long dtl_index; 710 u64 stolen_logged; 711 struct kvmppc_vpa slb_shadow; 712 713 spinlock_t tbacct_lock; 714 u64 busy_stolen; 715 u64 busy_preempt; 716 717 u32 emul_inst; 718 #endif 719 720 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 721 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 722 u64 cur_tb_start; /* when it started */ 723 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 724 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 725 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 726 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 727 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 728 729 struct dentry *debugfs_dir; 730 struct dentry *debugfs_timings; 731 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 732 }; 733 734 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 735 736 /* Values for vcpu->arch.state */ 737 #define KVMPPC_VCPU_NOTREADY 0 738 #define KVMPPC_VCPU_RUNNABLE 1 739 #define KVMPPC_VCPU_BUSY_IN_HOST 2 740 741 /* Values for vcpu->arch.io_gpr */ 742 #define KVM_MMIO_REG_MASK 0x001f 743 #define KVM_MMIO_REG_EXT_MASK 0xffe0 744 #define KVM_MMIO_REG_GPR 0x0000 745 #define KVM_MMIO_REG_FPR 0x0020 746 #define KVM_MMIO_REG_QPR 0x0040 747 #define KVM_MMIO_REG_FQPR 0x0060 748 749 #define __KVM_HAVE_ARCH_WQP 750 #define __KVM_HAVE_CREATE_DEVICE 751 752 static inline void kvm_arch_hardware_disable(void) {} 753 static inline void kvm_arch_hardware_unsetup(void) {} 754 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 755 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 756 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 757 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 758 static inline void kvm_arch_exit(void) {} 759 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 760 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 761 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 762 763 #endif /* __POWERPC_KVM_HOST_H__ */ 764