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 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 49 50 /* These values are internal and can be increased later */ 51 #define KVM_NR_IRQCHIPS 1 52 #define KVM_IRQCHIP_NUM_PINS 256 53 54 /* PPC-specific vcpu->requests bit members */ 55 #define KVM_REQ_WATCHDOG 8 56 #define KVM_REQ_EPR_EXIT 9 57 58 #include <linux/mmu_notifier.h> 59 60 #define KVM_ARCH_WANT_MMU_NOTIFIER 61 62 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 63 extern int kvm_unmap_hva_range(struct kvm *kvm, 64 unsigned long start, unsigned long end); 65 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 66 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 67 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 68 69 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 70 unsigned long address) 71 { 72 } 73 74 #define HPTEG_CACHE_NUM (1 << 15) 75 #define HPTEG_HASH_BITS_PTE 13 76 #define HPTEG_HASH_BITS_PTE_LONG 12 77 #define HPTEG_HASH_BITS_VPTE 13 78 #define HPTEG_HASH_BITS_VPTE_LONG 5 79 #define HPTEG_HASH_BITS_VPTE_64K 11 80 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 81 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 82 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 83 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 84 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 85 86 /* Physical Address Mask - allowed range of real mode RAM access */ 87 #define KVM_PAM 0x0fffffffffffffffULL 88 89 struct lppaca; 90 struct slb_shadow; 91 struct dtl_entry; 92 93 struct kvmppc_vcpu_book3s; 94 struct kvmppc_book3s_shadow_vcpu; 95 96 struct kvm_vm_stat { 97 ulong remote_tlb_flush; 98 }; 99 100 struct kvm_vcpu_stat { 101 u64 sum_exits; 102 u64 mmio_exits; 103 u64 signal_exits; 104 u64 light_exits; 105 /* Account for special types of light exits: */ 106 u64 itlb_real_miss_exits; 107 u64 itlb_virt_miss_exits; 108 u64 dtlb_real_miss_exits; 109 u64 dtlb_virt_miss_exits; 110 u64 syscall_exits; 111 u64 isi_exits; 112 u64 dsi_exits; 113 u64 emulated_inst_exits; 114 u64 dec_exits; 115 u64 ext_intr_exits; 116 u64 halt_poll_success_ns; 117 u64 halt_poll_fail_ns; 118 u64 halt_wait_ns; 119 u64 halt_successful_poll; 120 u64 halt_attempted_poll; 121 u64 halt_successful_wait; 122 u64 halt_poll_invalid; 123 u64 halt_wakeup; 124 u64 dbell_exits; 125 u64 gdbell_exits; 126 u64 ld; 127 u64 st; 128 #ifdef CONFIG_PPC_BOOK3S 129 u64 pf_storage; 130 u64 pf_instruc; 131 u64 sp_storage; 132 u64 sp_instruc; 133 u64 queue_intr; 134 u64 ld_slow; 135 u64 st_slow; 136 #endif 137 u64 pthru_all; 138 u64 pthru_host; 139 u64 pthru_bad_aff; 140 }; 141 142 enum kvm_exit_types { 143 MMIO_EXITS, 144 SIGNAL_EXITS, 145 ITLB_REAL_MISS_EXITS, 146 ITLB_VIRT_MISS_EXITS, 147 DTLB_REAL_MISS_EXITS, 148 DTLB_VIRT_MISS_EXITS, 149 SYSCALL_EXITS, 150 ISI_EXITS, 151 DSI_EXITS, 152 EMULATED_INST_EXITS, 153 EMULATED_MTMSRWE_EXITS, 154 EMULATED_WRTEE_EXITS, 155 EMULATED_MTSPR_EXITS, 156 EMULATED_MFSPR_EXITS, 157 EMULATED_MTMSR_EXITS, 158 EMULATED_MFMSR_EXITS, 159 EMULATED_TLBSX_EXITS, 160 EMULATED_TLBWE_EXITS, 161 EMULATED_RFI_EXITS, 162 EMULATED_RFCI_EXITS, 163 EMULATED_RFDI_EXITS, 164 DEC_EXITS, 165 EXT_INTR_EXITS, 166 HALT_WAKEUP, 167 USR_PR_INST, 168 FP_UNAVAIL, 169 DEBUG_EXITS, 170 TIMEINGUEST, 171 DBELL_EXITS, 172 GDBELL_EXITS, 173 __NUMBER_OF_KVM_EXIT_TYPES 174 }; 175 176 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 177 struct kvmppc_exit_timing { 178 union { 179 u64 tv64; 180 struct { 181 u32 tbu, tbl; 182 } tv32; 183 }; 184 }; 185 186 struct kvmppc_pginfo { 187 unsigned long pfn; 188 atomic_t refcnt; 189 }; 190 191 struct kvmppc_spapr_tce_iommu_table { 192 struct rcu_head rcu; 193 struct list_head next; 194 struct iommu_table *tbl; 195 struct kref kref; 196 }; 197 198 struct kvmppc_spapr_tce_table { 199 struct list_head list; 200 struct kvm *kvm; 201 u64 liobn; 202 struct rcu_head rcu; 203 u32 page_shift; 204 u64 offset; /* in pages */ 205 u64 size; /* window size in pages */ 206 struct list_head iommu_tables; 207 struct page *pages[0]; 208 }; 209 210 /* XICS components, defined in book3s_xics.c */ 211 struct kvmppc_xics; 212 struct kvmppc_icp; 213 extern struct kvm_device_ops kvm_xics_ops; 214 215 /* XIVE components, defined in book3s_xive.c */ 216 struct kvmppc_xive; 217 struct kvmppc_xive_vcpu; 218 extern struct kvm_device_ops kvm_xive_ops; 219 220 struct kvmppc_passthru_irqmap; 221 222 /* 223 * The reverse mapping array has one entry for each HPTE, 224 * which stores the guest's view of the second word of the HPTE 225 * (including the guest physical address of the mapping), 226 * plus forward and backward pointers in a doubly-linked ring 227 * of HPTEs that map the same host page. The pointers in this 228 * ring are 32-bit HPTE indexes, to save space. 229 */ 230 struct revmap_entry { 231 unsigned long guest_rpte; 232 unsigned int forw, back; 233 }; 234 235 /* 236 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 237 * and bit 32 as a present flag. The bottom 32 bits are the 238 * index in the guest HPT of a HPTE that points to the page. 239 */ 240 #define KVMPPC_RMAP_LOCK_BIT 63 241 #define KVMPPC_RMAP_RC_SHIFT 32 242 #define KVMPPC_RMAP_CHG_SHIFT 48 243 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 244 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 245 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 246 #define KVMPPC_RMAP_PRESENT 0x100000000ul 247 #define KVMPPC_RMAP_INDEX 0xfffffffful 248 249 struct kvm_arch_memory_slot { 250 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 251 unsigned long *rmap; 252 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 253 }; 254 255 struct kvm_hpt_info { 256 /* Host virtual (linear mapping) address of guest HPT */ 257 unsigned long virt; 258 /* Array of reverse mapping entries for each guest HPTE */ 259 struct revmap_entry *rev; 260 /* Guest HPT size is 2**(order) bytes */ 261 u32 order; 262 /* 1 if HPT allocated with CMA, 0 otherwise */ 263 int cma; 264 }; 265 266 struct kvm_resize_hpt; 267 268 struct kvm_arch { 269 unsigned int lpid; 270 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 271 unsigned int tlb_sets; 272 struct kvm_hpt_info hpt; 273 atomic64_t mmio_update; 274 unsigned int host_lpid; 275 unsigned long host_lpcr; 276 unsigned long sdr1; 277 unsigned long host_sdr1; 278 int tlbie_lock; 279 unsigned long lpcr; 280 unsigned long vrma_slb_v; 281 int hpte_setup_done; 282 atomic_t vcpus_running; 283 u32 online_vcores; 284 atomic_t hpte_mod_interest; 285 cpumask_t need_tlb_flush; 286 cpumask_t cpu_in_guest; 287 u8 radix; 288 pgd_t *pgtable; 289 u64 process_table; 290 struct dentry *debugfs_dir; 291 struct dentry *htab_dentry; 292 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 293 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 294 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 295 struct mutex hpt_mutex; 296 #endif 297 #ifdef CONFIG_PPC_BOOK3S_64 298 struct list_head spapr_tce_tables; 299 struct list_head rtas_tokens; 300 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 301 #endif 302 #ifdef CONFIG_KVM_MPIC 303 struct openpic *mpic; 304 #endif 305 #ifdef CONFIG_KVM_XICS 306 struct kvmppc_xics *xics; 307 struct kvmppc_xive *xive; 308 struct kvmppc_passthru_irqmap *pimap; 309 #endif 310 struct kvmppc_ops *kvm_ops; 311 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 312 /* This array can grow quite large, keep it at the end */ 313 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 314 #endif 315 }; 316 317 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 318 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 319 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 320 321 /* This bit is used when a vcore exit is triggered from outside the vcore */ 322 #define VCORE_EXIT_REQ 0x10000 323 324 /* 325 * Values for vcore_state. 326 * Note that these are arranged such that lower values 327 * (< VCORE_SLEEPING) don't require stolen time accounting 328 * on load/unload, and higher values do. 329 */ 330 #define VCORE_INACTIVE 0 331 #define VCORE_PREEMPT 1 332 #define VCORE_PIGGYBACK 2 333 #define VCORE_SLEEPING 3 334 #define VCORE_RUNNING 4 335 #define VCORE_EXITING 5 336 #define VCORE_POLLING 6 337 338 /* 339 * Struct used to manage memory for a virtual processor area 340 * registered by a PAPR guest. There are three types of area 341 * that a guest can register. 342 */ 343 struct kvmppc_vpa { 344 unsigned long gpa; /* Current guest phys addr */ 345 void *pinned_addr; /* Address in kernel linear mapping */ 346 void *pinned_end; /* End of region */ 347 unsigned long next_gpa; /* Guest phys addr for update */ 348 unsigned long len; /* Number of bytes required */ 349 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 350 bool dirty; /* true => area has been modified by kernel */ 351 }; 352 353 struct kvmppc_pte { 354 ulong eaddr; 355 u64 vpage; 356 ulong raddr; 357 bool may_read : 1; 358 bool may_write : 1; 359 bool may_execute : 1; 360 unsigned long wimg; 361 u8 page_size; /* MMU_PAGE_xxx */ 362 }; 363 364 struct kvmppc_mmu { 365 /* book3s_64 only */ 366 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 367 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 368 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 369 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 370 void (*slbia)(struct kvm_vcpu *vcpu); 371 /* book3s */ 372 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 373 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 374 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 375 struct kvmppc_pte *pte, bool data, bool iswrite); 376 void (*reset_msr)(struct kvm_vcpu *vcpu); 377 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 378 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 379 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 380 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 381 }; 382 383 struct kvmppc_slb { 384 u64 esid; 385 u64 vsid; 386 u64 orige; 387 u64 origv; 388 bool valid : 1; 389 bool Ks : 1; 390 bool Kp : 1; 391 bool nx : 1; 392 bool large : 1; /* PTEs are 16MB */ 393 bool tb : 1; /* 1TB segment */ 394 bool class : 1; 395 u8 base_page_size; /* MMU_PAGE_xxx */ 396 }; 397 398 /* Struct used to accumulate timing information in HV real mode code */ 399 struct kvmhv_tb_accumulator { 400 u64 seqcount; /* used to synchronize access, also count * 2 */ 401 u64 tb_total; /* total time in timebase ticks */ 402 u64 tb_min; /* min time */ 403 u64 tb_max; /* max time */ 404 }; 405 406 #ifdef CONFIG_PPC_BOOK3S_64 407 struct kvmppc_irq_map { 408 u32 r_hwirq; 409 u32 v_hwirq; 410 struct irq_desc *desc; 411 }; 412 413 #define KVMPPC_PIRQ_MAPPED 1024 414 struct kvmppc_passthru_irqmap { 415 int n_mapped; 416 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 417 }; 418 #endif 419 420 # ifdef CONFIG_PPC_FSL_BOOK3E 421 #define KVMPPC_BOOKE_IAC_NUM 2 422 #define KVMPPC_BOOKE_DAC_NUM 2 423 # else 424 #define KVMPPC_BOOKE_IAC_NUM 4 425 #define KVMPPC_BOOKE_DAC_NUM 2 426 # endif 427 #define KVMPPC_BOOKE_MAX_IAC 4 428 #define KVMPPC_BOOKE_MAX_DAC 2 429 430 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 431 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 432 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 433 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 434 435 #define KVMPPC_IRQ_DEFAULT 0 436 #define KVMPPC_IRQ_MPIC 1 437 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 438 439 #define MMIO_HPTE_CACHE_SIZE 4 440 441 struct mmio_hpte_cache_entry { 442 unsigned long hpte_v; 443 unsigned long hpte_r; 444 unsigned long rpte; 445 unsigned long pte_index; 446 unsigned long eaddr; 447 unsigned long slb_v; 448 long mmio_update; 449 unsigned int slb_base_pshift; 450 }; 451 452 struct mmio_hpte_cache { 453 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 454 unsigned int index; 455 }; 456 457 #define KVMPPC_VSX_COPY_NONE 0 458 #define KVMPPC_VSX_COPY_WORD 1 459 #define KVMPPC_VSX_COPY_DWORD 2 460 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 461 462 struct openpic; 463 464 /* W0 and W1 of a XIVE thread management context */ 465 union xive_tma_w01 { 466 struct { 467 u8 nsr; 468 u8 cppr; 469 u8 ipb; 470 u8 lsmfb; 471 u8 ack; 472 u8 inc; 473 u8 age; 474 u8 pipr; 475 }; 476 __be64 w01; 477 }; 478 479 struct kvm_vcpu_arch { 480 ulong host_stack; 481 u32 host_pid; 482 #ifdef CONFIG_PPC_BOOK3S 483 struct kvmppc_slb slb[64]; 484 int slb_max; /* 1 + index of last valid entry in slb[] */ 485 int slb_nr; /* total number of entries in SLB */ 486 struct kvmppc_mmu mmu; 487 struct kvmppc_vcpu_book3s *book3s; 488 #endif 489 #ifdef CONFIG_PPC_BOOK3S_32 490 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 491 #endif 492 493 ulong gpr[32]; 494 495 struct thread_fp_state fp; 496 497 #ifdef CONFIG_SPE 498 ulong evr[32]; 499 ulong spefscr; 500 ulong host_spefscr; 501 u64 acc; 502 #endif 503 #ifdef CONFIG_ALTIVEC 504 struct thread_vr_state vr; 505 #endif 506 507 #ifdef CONFIG_KVM_BOOKE_HV 508 u32 host_mas4; 509 u32 host_mas6; 510 u32 shadow_epcr; 511 u32 shadow_msrp; 512 u32 eplc; 513 u32 epsc; 514 u32 oldpir; 515 #endif 516 517 #if defined(CONFIG_BOOKE) 518 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 519 u32 epcr; 520 #endif 521 #endif 522 523 #ifdef CONFIG_PPC_BOOK3S 524 /* For Gekko paired singles */ 525 u32 qpr[32]; 526 #endif 527 528 ulong pc; 529 ulong ctr; 530 ulong lr; 531 #ifdef CONFIG_PPC_BOOK3S 532 ulong tar; 533 #endif 534 535 ulong xer; 536 u32 cr; 537 538 #ifdef CONFIG_PPC_BOOK3S 539 ulong hflags; 540 ulong guest_owned_ext; 541 ulong purr; 542 ulong spurr; 543 ulong ic; 544 ulong dscr; 545 ulong amr; 546 ulong uamor; 547 ulong iamr; 548 u32 ctrl; 549 u32 dabrx; 550 ulong dabr; 551 ulong dawr; 552 ulong dawrx; 553 ulong ciabr; 554 ulong cfar; 555 ulong ppr; 556 u32 pspb; 557 ulong fscr; 558 ulong shadow_fscr; 559 ulong ebbhr; 560 ulong ebbrr; 561 ulong bescr; 562 ulong csigr; 563 ulong tacr; 564 ulong tcscr; 565 ulong acop; 566 ulong wort; 567 ulong tid; 568 ulong psscr; 569 ulong shadow_srr1; 570 #endif 571 u32 vrsave; /* also USPRG0 */ 572 u32 mmucr; 573 /* shadow_msr is unused for BookE HV */ 574 ulong shadow_msr; 575 ulong csrr0; 576 ulong csrr1; 577 ulong dsrr0; 578 ulong dsrr1; 579 ulong mcsrr0; 580 ulong mcsrr1; 581 ulong mcsr; 582 u32 dec; 583 #ifdef CONFIG_BOOKE 584 u32 decar; 585 #endif 586 /* Time base value when we entered the guest */ 587 u64 entry_tb; 588 u64 entry_vtb; 589 u64 entry_ic; 590 u32 tcr; 591 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 592 u32 ivor[64]; 593 ulong ivpr; 594 u32 pvr; 595 596 u32 shadow_pid; 597 u32 shadow_pid1; 598 u32 pid; 599 u32 swap_pid; 600 601 u32 ccr0; 602 u32 ccr1; 603 u32 dbsr; 604 605 u64 mmcr[5]; 606 u32 pmc[8]; 607 u32 spmc[2]; 608 u64 siar; 609 u64 sdar; 610 u64 sier; 611 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 612 u64 tfhar; 613 u64 texasr; 614 u64 tfiar; 615 616 u32 cr_tm; 617 u64 xer_tm; 618 u64 lr_tm; 619 u64 ctr_tm; 620 u64 amr_tm; 621 u64 ppr_tm; 622 u64 dscr_tm; 623 u64 tar_tm; 624 625 ulong gpr_tm[32]; 626 627 struct thread_fp_state fp_tm; 628 629 struct thread_vr_state vr_tm; 630 u32 vrsave_tm; /* also USPRG0 */ 631 632 #endif 633 634 #ifdef CONFIG_KVM_EXIT_TIMING 635 struct mutex exit_timing_lock; 636 struct kvmppc_exit_timing timing_exit; 637 struct kvmppc_exit_timing timing_last_enter; 638 u32 last_exit_type; 639 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 640 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 641 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 642 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 643 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 644 u64 timing_last_exit; 645 struct dentry *debugfs_exit_timing; 646 #endif 647 648 #ifdef CONFIG_PPC_BOOK3S 649 ulong fault_dar; 650 u32 fault_dsisr; 651 unsigned long intr_msr; 652 ulong fault_gpa; /* guest real address of page fault (POWER9) */ 653 #endif 654 655 #ifdef CONFIG_BOOKE 656 ulong fault_dear; 657 ulong fault_esr; 658 ulong queued_dear; 659 ulong queued_esr; 660 spinlock_t wdt_lock; 661 struct timer_list wdt_timer; 662 u32 tlbcfg[4]; 663 u32 tlbps[4]; 664 u32 mmucfg; 665 u32 eptcfg; 666 u32 epr; 667 u64 sprg9; 668 u32 pwrmgtcr0; 669 u32 crit_save; 670 /* guest debug registers*/ 671 struct debug_reg dbg_reg; 672 #endif 673 gpa_t paddr_accessed; 674 gva_t vaddr_accessed; 675 pgd_t *pgdir; 676 677 u8 io_gpr; /* GPR used as IO source/target */ 678 u8 mmio_host_swabbed; 679 u8 mmio_sign_extend; 680 /* conversion between single and double precision */ 681 u8 mmio_sp64_extend; 682 /* 683 * Number of simulations for vsx. 684 * If we use 2*8bytes to simulate 1*16bytes, 685 * then the number should be 2 and 686 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_DWORD. 687 * If we use 4*4bytes to simulate 1*16bytes, 688 * the number should be 4 and 689 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 690 */ 691 u8 mmio_vsx_copy_nums; 692 u8 mmio_vsx_offset; 693 u8 mmio_vsx_copy_type; 694 u8 mmio_vsx_tx_sx_enabled; 695 u8 osi_needed; 696 u8 osi_enabled; 697 u8 papr_enabled; 698 u8 watchdog_enabled; 699 u8 sane; 700 u8 cpu_type; 701 u8 hcall_needed; 702 u8 epr_flags; /* KVMPPC_EPR_xxx */ 703 u8 epr_needed; 704 705 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 706 707 struct hrtimer dec_timer; 708 u64 dec_jiffies; 709 u64 dec_expires; 710 unsigned long pending_exceptions; 711 u8 ceded; 712 u8 prodded; 713 u32 last_inst; 714 715 struct swait_queue_head *wqp; 716 struct kvmppc_vcore *vcore; 717 int ret; 718 int trap; 719 int state; 720 int ptid; 721 int thread_cpu; 722 int prev_cpu; 723 bool timer_running; 724 wait_queue_head_t cpu_run; 725 726 struct kvm_vcpu_arch_shared *shared; 727 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 728 bool shared_big_endian; 729 #endif 730 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 731 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 732 bool disable_kernel_nx; 733 734 int irq_type; /* one of KVM_IRQ_* */ 735 int irq_cpu_id; 736 struct openpic *mpic; /* KVM_IRQ_MPIC */ 737 #ifdef CONFIG_KVM_XICS 738 struct kvmppc_icp *icp; /* XICS presentation controller */ 739 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 740 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 741 u32 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 742 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 743 #endif 744 745 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 746 struct kvm_vcpu_arch_shared shregs; 747 748 struct mmio_hpte_cache mmio_cache; 749 unsigned long pgfault_addr; 750 long pgfault_index; 751 unsigned long pgfault_hpte[2]; 752 struct mmio_hpte_cache_entry *pgfault_cache; 753 754 struct task_struct *run_task; 755 struct kvm_run *kvm_run; 756 757 spinlock_t vpa_update_lock; 758 struct kvmppc_vpa vpa; 759 struct kvmppc_vpa dtl; 760 struct dtl_entry *dtl_ptr; 761 unsigned long dtl_index; 762 u64 stolen_logged; 763 struct kvmppc_vpa slb_shadow; 764 765 spinlock_t tbacct_lock; 766 u64 busy_stolen; 767 u64 busy_preempt; 768 769 u32 emul_inst; 770 #endif 771 772 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 773 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 774 u64 cur_tb_start; /* when it started */ 775 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 776 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 777 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 778 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 779 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 780 781 struct dentry *debugfs_dir; 782 struct dentry *debugfs_timings; 783 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 784 }; 785 786 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 787 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 788 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 789 790 /* Values for vcpu->arch.state */ 791 #define KVMPPC_VCPU_NOTREADY 0 792 #define KVMPPC_VCPU_RUNNABLE 1 793 #define KVMPPC_VCPU_BUSY_IN_HOST 2 794 795 /* Values for vcpu->arch.io_gpr */ 796 #define KVM_MMIO_REG_MASK 0x001f 797 #define KVM_MMIO_REG_EXT_MASK 0xffe0 798 #define KVM_MMIO_REG_GPR 0x0000 799 #define KVM_MMIO_REG_FPR 0x0020 800 #define KVM_MMIO_REG_QPR 0x0040 801 #define KVM_MMIO_REG_FQPR 0x0060 802 #define KVM_MMIO_REG_VSX 0x0080 803 804 #define __KVM_HAVE_ARCH_WQP 805 #define __KVM_HAVE_CREATE_DEVICE 806 807 static inline void kvm_arch_hardware_disable(void) {} 808 static inline void kvm_arch_hardware_unsetup(void) {} 809 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 810 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 811 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 812 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 813 static inline void kvm_arch_exit(void) {} 814 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 815 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 816 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 817 818 #endif /* __POWERPC_KVM_HOST_H__ */ 819