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_arch { 245 unsigned int lpid; 246 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 247 unsigned int tlb_sets; 248 unsigned long hpt_virt; 249 struct revmap_entry *revmap; 250 atomic64_t mmio_update; 251 unsigned int host_lpid; 252 unsigned long host_lpcr; 253 unsigned long sdr1; 254 unsigned long host_sdr1; 255 int tlbie_lock; 256 unsigned long lpcr; 257 unsigned long vrma_slb_v; 258 int hpte_setup_done; 259 u32 hpt_order; 260 atomic_t vcpus_running; 261 u32 online_vcores; 262 unsigned long hpt_npte; 263 unsigned long hpt_mask; 264 atomic_t hpte_mod_interest; 265 cpumask_t need_tlb_flush; 266 int hpt_cma_alloc; 267 struct dentry *debugfs_dir; 268 struct dentry *htab_dentry; 269 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 270 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 271 struct mutex hpt_mutex; 272 #endif 273 #ifdef CONFIG_PPC_BOOK3S_64 274 struct list_head spapr_tce_tables; 275 struct list_head rtas_tokens; 276 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 277 #endif 278 #ifdef CONFIG_KVM_MPIC 279 struct openpic *mpic; 280 #endif 281 #ifdef CONFIG_KVM_XICS 282 struct kvmppc_xics *xics; 283 struct kvmppc_passthru_irqmap *pimap; 284 #endif 285 struct kvmppc_ops *kvm_ops; 286 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 287 /* This array can grow quite large, keep it at the end */ 288 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 289 #endif 290 }; 291 292 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 293 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 294 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 295 296 /* This bit is used when a vcore exit is triggered from outside the vcore */ 297 #define VCORE_EXIT_REQ 0x10000 298 299 /* 300 * Values for vcore_state. 301 * Note that these are arranged such that lower values 302 * (< VCORE_SLEEPING) don't require stolen time accounting 303 * on load/unload, and higher values do. 304 */ 305 #define VCORE_INACTIVE 0 306 #define VCORE_PREEMPT 1 307 #define VCORE_PIGGYBACK 2 308 #define VCORE_SLEEPING 3 309 #define VCORE_RUNNING 4 310 #define VCORE_EXITING 5 311 #define VCORE_POLLING 6 312 313 /* 314 * Struct used to manage memory for a virtual processor area 315 * registered by a PAPR guest. There are three types of area 316 * that a guest can register. 317 */ 318 struct kvmppc_vpa { 319 unsigned long gpa; /* Current guest phys addr */ 320 void *pinned_addr; /* Address in kernel linear mapping */ 321 void *pinned_end; /* End of region */ 322 unsigned long next_gpa; /* Guest phys addr for update */ 323 unsigned long len; /* Number of bytes required */ 324 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 325 bool dirty; /* true => area has been modified by kernel */ 326 }; 327 328 struct kvmppc_pte { 329 ulong eaddr; 330 u64 vpage; 331 ulong raddr; 332 bool may_read : 1; 333 bool may_write : 1; 334 bool may_execute : 1; 335 u8 page_size; /* MMU_PAGE_xxx */ 336 }; 337 338 struct kvmppc_mmu { 339 /* book3s_64 only */ 340 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 341 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 342 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 343 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 344 void (*slbia)(struct kvm_vcpu *vcpu); 345 /* book3s */ 346 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 347 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 348 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 349 struct kvmppc_pte *pte, bool data, bool iswrite); 350 void (*reset_msr)(struct kvm_vcpu *vcpu); 351 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 352 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 353 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 354 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 355 }; 356 357 struct kvmppc_slb { 358 u64 esid; 359 u64 vsid; 360 u64 orige; 361 u64 origv; 362 bool valid : 1; 363 bool Ks : 1; 364 bool Kp : 1; 365 bool nx : 1; 366 bool large : 1; /* PTEs are 16MB */ 367 bool tb : 1; /* 1TB segment */ 368 bool class : 1; 369 u8 base_page_size; /* MMU_PAGE_xxx */ 370 }; 371 372 /* Struct used to accumulate timing information in HV real mode code */ 373 struct kvmhv_tb_accumulator { 374 u64 seqcount; /* used to synchronize access, also count * 2 */ 375 u64 tb_total; /* total time in timebase ticks */ 376 u64 tb_min; /* min time */ 377 u64 tb_max; /* max time */ 378 }; 379 380 #ifdef CONFIG_PPC_BOOK3S_64 381 struct kvmppc_irq_map { 382 u32 r_hwirq; 383 u32 v_hwirq; 384 struct irq_desc *desc; 385 }; 386 387 #define KVMPPC_PIRQ_MAPPED 1024 388 struct kvmppc_passthru_irqmap { 389 int n_mapped; 390 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 391 }; 392 #endif 393 394 # ifdef CONFIG_PPC_FSL_BOOK3E 395 #define KVMPPC_BOOKE_IAC_NUM 2 396 #define KVMPPC_BOOKE_DAC_NUM 2 397 # else 398 #define KVMPPC_BOOKE_IAC_NUM 4 399 #define KVMPPC_BOOKE_DAC_NUM 2 400 # endif 401 #define KVMPPC_BOOKE_MAX_IAC 4 402 #define KVMPPC_BOOKE_MAX_DAC 2 403 404 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 405 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 406 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 407 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 408 409 #define KVMPPC_IRQ_DEFAULT 0 410 #define KVMPPC_IRQ_MPIC 1 411 #define KVMPPC_IRQ_XICS 2 412 413 #define MMIO_HPTE_CACHE_SIZE 4 414 415 struct mmio_hpte_cache_entry { 416 unsigned long hpte_v; 417 unsigned long hpte_r; 418 unsigned long rpte; 419 unsigned long pte_index; 420 unsigned long eaddr; 421 unsigned long slb_v; 422 long mmio_update; 423 unsigned int slb_base_pshift; 424 }; 425 426 struct mmio_hpte_cache { 427 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 428 unsigned int index; 429 }; 430 431 struct openpic; 432 433 struct kvm_vcpu_arch { 434 ulong host_stack; 435 u32 host_pid; 436 #ifdef CONFIG_PPC_BOOK3S 437 struct kvmppc_slb slb[64]; 438 int slb_max; /* 1 + index of last valid entry in slb[] */ 439 int slb_nr; /* total number of entries in SLB */ 440 struct kvmppc_mmu mmu; 441 struct kvmppc_vcpu_book3s *book3s; 442 #endif 443 #ifdef CONFIG_PPC_BOOK3S_32 444 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 445 #endif 446 447 ulong gpr[32]; 448 449 struct thread_fp_state fp; 450 451 #ifdef CONFIG_SPE 452 ulong evr[32]; 453 ulong spefscr; 454 ulong host_spefscr; 455 u64 acc; 456 #endif 457 #ifdef CONFIG_ALTIVEC 458 struct thread_vr_state vr; 459 #endif 460 461 #ifdef CONFIG_KVM_BOOKE_HV 462 u32 host_mas4; 463 u32 host_mas6; 464 u32 shadow_epcr; 465 u32 shadow_msrp; 466 u32 eplc; 467 u32 epsc; 468 u32 oldpir; 469 #endif 470 471 #if defined(CONFIG_BOOKE) 472 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 473 u32 epcr; 474 #endif 475 #endif 476 477 #ifdef CONFIG_PPC_BOOK3S 478 /* For Gekko paired singles */ 479 u32 qpr[32]; 480 #endif 481 482 ulong pc; 483 ulong ctr; 484 ulong lr; 485 #ifdef CONFIG_PPC_BOOK3S 486 ulong tar; 487 #endif 488 489 ulong xer; 490 u32 cr; 491 492 #ifdef CONFIG_PPC_BOOK3S 493 ulong hflags; 494 ulong guest_owned_ext; 495 ulong purr; 496 ulong spurr; 497 ulong ic; 498 ulong dscr; 499 ulong amr; 500 ulong uamor; 501 ulong iamr; 502 u32 ctrl; 503 u32 dabrx; 504 ulong dabr; 505 ulong dawr; 506 ulong dawrx; 507 ulong ciabr; 508 ulong cfar; 509 ulong ppr; 510 u32 pspb; 511 ulong fscr; 512 ulong shadow_fscr; 513 ulong ebbhr; 514 ulong ebbrr; 515 ulong bescr; 516 ulong csigr; 517 ulong tacr; 518 ulong tcscr; 519 ulong acop; 520 ulong wort; 521 ulong tid; 522 ulong psscr; 523 ulong shadow_srr1; 524 #endif 525 u32 vrsave; /* also USPRG0 */ 526 u32 mmucr; 527 /* shadow_msr is unused for BookE HV */ 528 ulong shadow_msr; 529 ulong csrr0; 530 ulong csrr1; 531 ulong dsrr0; 532 ulong dsrr1; 533 ulong mcsrr0; 534 ulong mcsrr1; 535 ulong mcsr; 536 u32 dec; 537 #ifdef CONFIG_BOOKE 538 u32 decar; 539 #endif 540 /* Time base value when we entered the guest */ 541 u64 entry_tb; 542 u64 entry_vtb; 543 u64 entry_ic; 544 u32 tcr; 545 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 546 u32 ivor[64]; 547 ulong ivpr; 548 u32 pvr; 549 550 u32 shadow_pid; 551 u32 shadow_pid1; 552 u32 pid; 553 u32 swap_pid; 554 555 u32 ccr0; 556 u32 ccr1; 557 u32 dbsr; 558 559 u64 mmcr[5]; 560 u32 pmc[8]; 561 u32 spmc[2]; 562 u64 siar; 563 u64 sdar; 564 u64 sier; 565 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 566 u64 tfhar; 567 u64 texasr; 568 u64 tfiar; 569 570 u32 cr_tm; 571 u64 xer_tm; 572 u64 lr_tm; 573 u64 ctr_tm; 574 u64 amr_tm; 575 u64 ppr_tm; 576 u64 dscr_tm; 577 u64 tar_tm; 578 579 ulong gpr_tm[32]; 580 581 struct thread_fp_state fp_tm; 582 583 struct thread_vr_state vr_tm; 584 u32 vrsave_tm; /* also USPRG0 */ 585 586 #endif 587 588 #ifdef CONFIG_KVM_EXIT_TIMING 589 struct mutex exit_timing_lock; 590 struct kvmppc_exit_timing timing_exit; 591 struct kvmppc_exit_timing timing_last_enter; 592 u32 last_exit_type; 593 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 594 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 595 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 596 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 597 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 598 u64 timing_last_exit; 599 struct dentry *debugfs_exit_timing; 600 #endif 601 602 #ifdef CONFIG_PPC_BOOK3S 603 ulong fault_dar; 604 u32 fault_dsisr; 605 unsigned long intr_msr; 606 #endif 607 608 #ifdef CONFIG_BOOKE 609 ulong fault_dear; 610 ulong fault_esr; 611 ulong queued_dear; 612 ulong queued_esr; 613 spinlock_t wdt_lock; 614 struct timer_list wdt_timer; 615 u32 tlbcfg[4]; 616 u32 tlbps[4]; 617 u32 mmucfg; 618 u32 eptcfg; 619 u32 epr; 620 u64 sprg9; 621 u32 pwrmgtcr0; 622 u32 crit_save; 623 /* guest debug registers*/ 624 struct debug_reg dbg_reg; 625 #endif 626 gpa_t paddr_accessed; 627 gva_t vaddr_accessed; 628 pgd_t *pgdir; 629 630 u8 io_gpr; /* GPR used as IO source/target */ 631 u8 mmio_host_swabbed; 632 u8 mmio_sign_extend; 633 u8 osi_needed; 634 u8 osi_enabled; 635 u8 papr_enabled; 636 u8 watchdog_enabled; 637 u8 sane; 638 u8 cpu_type; 639 u8 hcall_needed; 640 u8 epr_flags; /* KVMPPC_EPR_xxx */ 641 u8 epr_needed; 642 643 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 644 645 struct hrtimer dec_timer; 646 u64 dec_jiffies; 647 u64 dec_expires; 648 unsigned long pending_exceptions; 649 u8 ceded; 650 u8 prodded; 651 u32 last_inst; 652 653 struct swait_queue_head *wqp; 654 struct kvmppc_vcore *vcore; 655 int ret; 656 int trap; 657 int state; 658 int ptid; 659 int thread_cpu; 660 bool timer_running; 661 wait_queue_head_t cpu_run; 662 663 struct kvm_vcpu_arch_shared *shared; 664 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 665 bool shared_big_endian; 666 #endif 667 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 668 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 669 bool disable_kernel_nx; 670 671 int irq_type; /* one of KVM_IRQ_* */ 672 int irq_cpu_id; 673 struct openpic *mpic; /* KVM_IRQ_MPIC */ 674 #ifdef CONFIG_KVM_XICS 675 struct kvmppc_icp *icp; /* XICS presentation controller */ 676 #endif 677 678 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 679 struct kvm_vcpu_arch_shared shregs; 680 681 struct mmio_hpte_cache mmio_cache; 682 unsigned long pgfault_addr; 683 long pgfault_index; 684 unsigned long pgfault_hpte[2]; 685 struct mmio_hpte_cache_entry *pgfault_cache; 686 687 struct task_struct *run_task; 688 struct kvm_run *kvm_run; 689 690 spinlock_t vpa_update_lock; 691 struct kvmppc_vpa vpa; 692 struct kvmppc_vpa dtl; 693 struct dtl_entry *dtl_ptr; 694 unsigned long dtl_index; 695 u64 stolen_logged; 696 struct kvmppc_vpa slb_shadow; 697 698 spinlock_t tbacct_lock; 699 u64 busy_stolen; 700 u64 busy_preempt; 701 702 u32 emul_inst; 703 #endif 704 705 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 706 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 707 u64 cur_tb_start; /* when it started */ 708 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 709 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 710 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 711 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 712 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 713 714 struct dentry *debugfs_dir; 715 struct dentry *debugfs_timings; 716 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 717 }; 718 719 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 720 721 /* Values for vcpu->arch.state */ 722 #define KVMPPC_VCPU_NOTREADY 0 723 #define KVMPPC_VCPU_RUNNABLE 1 724 #define KVMPPC_VCPU_BUSY_IN_HOST 2 725 726 /* Values for vcpu->arch.io_gpr */ 727 #define KVM_MMIO_REG_MASK 0x001f 728 #define KVM_MMIO_REG_EXT_MASK 0xffe0 729 #define KVM_MMIO_REG_GPR 0x0000 730 #define KVM_MMIO_REG_FPR 0x0020 731 #define KVM_MMIO_REG_QPR 0x0040 732 #define KVM_MMIO_REG_FQPR 0x0060 733 734 #define __KVM_HAVE_ARCH_WQP 735 #define __KVM_HAVE_CREATE_DEVICE 736 737 static inline void kvm_arch_hardware_disable(void) {} 738 static inline void kvm_arch_hardware_unsetup(void) {} 739 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 740 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 741 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 742 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 743 static inline void kvm_arch_exit(void) {} 744 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 745 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 746 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 747 748 #endif /* __POWERPC_KVM_HOST_H__ */ 749