1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * 4 * Copyright IBM Corp. 2007 5 * 6 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 7 */ 8 9 #ifndef __POWERPC_KVM_HOST_H__ 10 #define __POWERPC_KVM_HOST_H__ 11 12 #include <linux/mutex.h> 13 #include <linux/hrtimer.h> 14 #include <linux/interrupt.h> 15 #include <linux/types.h> 16 #include <linux/kvm_types.h> 17 #include <linux/threads.h> 18 #include <linux/spinlock.h> 19 #include <linux/kvm_para.h> 20 #include <linux/list.h> 21 #include <linux/atomic.h> 22 #include <asm/kvm_asm.h> 23 #include <asm/processor.h> 24 #include <asm/page.h> 25 #include <asm/cacheflush.h> 26 #include <asm/hvcall.h> 27 #include <asm/mce.h> 28 29 #define KVM_MAX_VCPUS NR_CPUS 30 #define KVM_MAX_VCORES NR_CPUS 31 #define KVM_USER_MEM_SLOTS 512 32 33 #include <asm/cputhreads.h> 34 35 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 36 #include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */ 37 #define KVM_MAX_VCPU_ID (MAX_SMT_THREADS * KVM_MAX_VCORES) 38 #define KVM_MAX_NESTED_GUESTS KVMPPC_NR_LPIDS 39 40 #else 41 #define KVM_MAX_VCPU_ID KVM_MAX_VCPUS 42 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 43 44 #define __KVM_HAVE_ARCH_INTC_INITIALIZED 45 46 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 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 /* PPC-specific vcpu->requests bit members */ 53 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0) 54 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1) 55 56 #include <linux/mmu_notifier.h> 57 58 #define KVM_ARCH_WANT_MMU_NOTIFIER 59 60 extern int kvm_unmap_hva_range(struct kvm *kvm, 61 unsigned long start, unsigned long end); 62 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 63 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 64 extern int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 65 66 #define HPTEG_CACHE_NUM (1 << 15) 67 #define HPTEG_HASH_BITS_PTE 13 68 #define HPTEG_HASH_BITS_PTE_LONG 12 69 #define HPTEG_HASH_BITS_VPTE 13 70 #define HPTEG_HASH_BITS_VPTE_LONG 5 71 #define HPTEG_HASH_BITS_VPTE_64K 11 72 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 73 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 74 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 75 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 76 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 77 78 /* Physical Address Mask - allowed range of real mode RAM access */ 79 #define KVM_PAM 0x0fffffffffffffffULL 80 81 struct lppaca; 82 struct slb_shadow; 83 struct dtl_entry; 84 85 struct kvmppc_vcpu_book3s; 86 struct kvmppc_book3s_shadow_vcpu; 87 struct kvm_nested_guest; 88 89 struct kvm_vm_stat { 90 ulong remote_tlb_flush; 91 ulong num_2M_pages; 92 ulong num_1G_pages; 93 }; 94 95 struct kvm_vcpu_stat { 96 u64 sum_exits; 97 u64 mmio_exits; 98 u64 signal_exits; 99 u64 light_exits; 100 /* Account for special types of light exits: */ 101 u64 itlb_real_miss_exits; 102 u64 itlb_virt_miss_exits; 103 u64 dtlb_real_miss_exits; 104 u64 dtlb_virt_miss_exits; 105 u64 syscall_exits; 106 u64 isi_exits; 107 u64 dsi_exits; 108 u64 emulated_inst_exits; 109 u64 dec_exits; 110 u64 ext_intr_exits; 111 u64 halt_poll_success_ns; 112 u64 halt_poll_fail_ns; 113 u64 halt_wait_ns; 114 u64 halt_successful_poll; 115 u64 halt_attempted_poll; 116 u64 halt_successful_wait; 117 u64 halt_poll_invalid; 118 u64 halt_wakeup; 119 u64 dbell_exits; 120 u64 gdbell_exits; 121 u64 ld; 122 u64 st; 123 #ifdef CONFIG_PPC_BOOK3S 124 u64 pf_storage; 125 u64 pf_instruc; 126 u64 sp_storage; 127 u64 sp_instruc; 128 u64 queue_intr; 129 u64 ld_slow; 130 u64 st_slow; 131 #endif 132 u64 pthru_all; 133 u64 pthru_host; 134 u64 pthru_bad_aff; 135 }; 136 137 enum kvm_exit_types { 138 MMIO_EXITS, 139 SIGNAL_EXITS, 140 ITLB_REAL_MISS_EXITS, 141 ITLB_VIRT_MISS_EXITS, 142 DTLB_REAL_MISS_EXITS, 143 DTLB_VIRT_MISS_EXITS, 144 SYSCALL_EXITS, 145 ISI_EXITS, 146 DSI_EXITS, 147 EMULATED_INST_EXITS, 148 EMULATED_MTMSRWE_EXITS, 149 EMULATED_WRTEE_EXITS, 150 EMULATED_MTSPR_EXITS, 151 EMULATED_MFSPR_EXITS, 152 EMULATED_MTMSR_EXITS, 153 EMULATED_MFMSR_EXITS, 154 EMULATED_TLBSX_EXITS, 155 EMULATED_TLBWE_EXITS, 156 EMULATED_RFI_EXITS, 157 EMULATED_RFCI_EXITS, 158 EMULATED_RFDI_EXITS, 159 DEC_EXITS, 160 EXT_INTR_EXITS, 161 HALT_WAKEUP, 162 USR_PR_INST, 163 FP_UNAVAIL, 164 DEBUG_EXITS, 165 TIMEINGUEST, 166 DBELL_EXITS, 167 GDBELL_EXITS, 168 __NUMBER_OF_KVM_EXIT_TYPES 169 }; 170 171 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 172 struct kvmppc_exit_timing { 173 union { 174 u64 tv64; 175 struct { 176 u32 tbu, tbl; 177 } tv32; 178 }; 179 }; 180 181 struct kvmppc_pginfo { 182 unsigned long pfn; 183 atomic_t refcnt; 184 }; 185 186 struct kvmppc_spapr_tce_iommu_table { 187 struct rcu_head rcu; 188 struct list_head next; 189 struct iommu_table *tbl; 190 struct kref kref; 191 }; 192 193 #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) 194 195 struct kvmppc_spapr_tce_table { 196 struct list_head list; 197 struct kvm *kvm; 198 u64 liobn; 199 struct rcu_head rcu; 200 u32 page_shift; 201 u64 offset; /* in pages */ 202 u64 size; /* window size in pages */ 203 struct list_head iommu_tables; 204 struct mutex alloc_lock; 205 struct page *pages[0]; 206 }; 207 208 /* XICS components, defined in book3s_xics.c */ 209 struct kvmppc_xics; 210 struct kvmppc_icp; 211 extern struct kvm_device_ops kvm_xics_ops; 212 213 /* XIVE components, defined in book3s_xive.c */ 214 struct kvmppc_xive; 215 struct kvmppc_xive_vcpu; 216 extern struct kvm_device_ops kvm_xive_ops; 217 extern struct kvm_device_ops kvm_xive_native_ops; 218 219 struct kvmppc_passthru_irqmap; 220 221 /* 222 * The reverse mapping array has one entry for each HPTE, 223 * which stores the guest's view of the second word of the HPTE 224 * (including the guest physical address of the mapping), 225 * plus forward and backward pointers in a doubly-linked ring 226 * of HPTEs that map the same host page. The pointers in this 227 * ring are 32-bit HPTE indexes, to save space. 228 */ 229 struct revmap_entry { 230 unsigned long guest_rpte; 231 unsigned int forw, back; 232 }; 233 234 /* 235 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 236 * and bit 32 as a present flag. The bottom 32 bits are the 237 * index in the guest HPT of a HPTE that points to the page. 238 */ 239 #define KVMPPC_RMAP_LOCK_BIT 63 240 #define KVMPPC_RMAP_RC_SHIFT 32 241 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 242 #define KVMPPC_RMAP_PRESENT 0x100000000ul 243 #define KVMPPC_RMAP_INDEX 0xfffffffful 244 245 struct kvm_arch_memory_slot { 246 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 247 unsigned long *rmap; 248 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 249 }; 250 251 struct kvm_hpt_info { 252 /* Host virtual (linear mapping) address of guest HPT */ 253 unsigned long virt; 254 /* Array of reverse mapping entries for each guest HPTE */ 255 struct revmap_entry *rev; 256 /* Guest HPT size is 2**(order) bytes */ 257 u32 order; 258 /* 1 if HPT allocated with CMA, 0 otherwise */ 259 int cma; 260 }; 261 262 struct kvm_resize_hpt; 263 264 struct kvm_arch { 265 unsigned int lpid; 266 unsigned int smt_mode; /* # vcpus per virtual core */ 267 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ 268 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 269 unsigned int tlb_sets; 270 struct kvm_hpt_info hpt; 271 atomic64_t mmio_update; 272 unsigned int host_lpid; 273 unsigned long host_lpcr; 274 unsigned long sdr1; 275 unsigned long host_sdr1; 276 unsigned long lpcr; 277 unsigned long vrma_slb_v; 278 int mmu_ready; 279 atomic_t vcpus_running; 280 u32 online_vcores; 281 atomic_t hpte_mod_interest; 282 cpumask_t need_tlb_flush; 283 cpumask_t cpu_in_guest; 284 u8 radix; 285 u8 fwnmi_enabled; 286 bool threads_indep; 287 bool nested_enable; 288 pgd_t *pgtable; 289 u64 process_table; 290 struct dentry *debugfs_dir; 291 struct dentry *htab_dentry; 292 struct dentry *radix_dentry; 293 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 294 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 295 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 296 struct mutex hpt_mutex; 297 #endif 298 #ifdef CONFIG_PPC_BOOK3S_64 299 struct list_head spapr_tce_tables; 300 struct list_head rtas_tokens; 301 struct mutex rtas_token_lock; 302 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 303 #endif 304 #ifdef CONFIG_KVM_MPIC 305 struct openpic *mpic; 306 #endif 307 #ifdef CONFIG_KVM_XICS 308 struct kvmppc_xics *xics; 309 struct kvmppc_xive *xive; /* Current XIVE device in use */ 310 struct { 311 struct kvmppc_xive *native; 312 struct kvmppc_xive *xics_on_xive; 313 } xive_devices; 314 struct kvmppc_passthru_irqmap *pimap; 315 #endif 316 struct kvmppc_ops *kvm_ops; 317 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 318 struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */ 319 u64 l1_ptcr; 320 int max_nested_lpid; 321 struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS]; 322 /* This array can grow quite large, keep it at the end */ 323 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 324 #endif 325 }; 326 327 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 328 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 329 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 330 331 /* This bit is used when a vcore exit is triggered from outside the vcore */ 332 #define VCORE_EXIT_REQ 0x10000 333 334 /* 335 * Values for vcore_state. 336 * Note that these are arranged such that lower values 337 * (< VCORE_SLEEPING) don't require stolen time accounting 338 * on load/unload, and higher values do. 339 */ 340 #define VCORE_INACTIVE 0 341 #define VCORE_PREEMPT 1 342 #define VCORE_PIGGYBACK 2 343 #define VCORE_SLEEPING 3 344 #define VCORE_RUNNING 4 345 #define VCORE_EXITING 5 346 #define VCORE_POLLING 6 347 348 /* 349 * Struct used to manage memory for a virtual processor area 350 * registered by a PAPR guest. There are three types of area 351 * that a guest can register. 352 */ 353 struct kvmppc_vpa { 354 unsigned long gpa; /* Current guest phys addr */ 355 void *pinned_addr; /* Address in kernel linear mapping */ 356 void *pinned_end; /* End of region */ 357 unsigned long next_gpa; /* Guest phys addr for update */ 358 unsigned long len; /* Number of bytes required */ 359 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 360 bool dirty; /* true => area has been modified by kernel */ 361 }; 362 363 struct kvmppc_pte { 364 ulong eaddr; 365 u64 vpage; 366 ulong raddr; 367 bool may_read : 1; 368 bool may_write : 1; 369 bool may_execute : 1; 370 unsigned long wimg; 371 unsigned long rc; 372 u8 page_size; /* MMU_PAGE_xxx */ 373 u8 page_shift; 374 }; 375 376 struct kvmppc_mmu { 377 /* book3s_64 only */ 378 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 379 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 380 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 381 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb); 382 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 383 void (*slbia)(struct kvm_vcpu *vcpu); 384 /* book3s */ 385 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 386 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 387 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 388 struct kvmppc_pte *pte, bool data, bool iswrite); 389 void (*reset_msr)(struct kvm_vcpu *vcpu); 390 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 391 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 392 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 393 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 394 }; 395 396 struct kvmppc_slb { 397 u64 esid; 398 u64 vsid; 399 u64 orige; 400 u64 origv; 401 bool valid : 1; 402 bool Ks : 1; 403 bool Kp : 1; 404 bool nx : 1; 405 bool large : 1; /* PTEs are 16MB */ 406 bool tb : 1; /* 1TB segment */ 407 bool class : 1; 408 u8 base_page_size; /* MMU_PAGE_xxx */ 409 }; 410 411 /* Struct used to accumulate timing information in HV real mode code */ 412 struct kvmhv_tb_accumulator { 413 u64 seqcount; /* used to synchronize access, also count * 2 */ 414 u64 tb_total; /* total time in timebase ticks */ 415 u64 tb_min; /* min time */ 416 u64 tb_max; /* max time */ 417 }; 418 419 #ifdef CONFIG_PPC_BOOK3S_64 420 struct kvmppc_irq_map { 421 u32 r_hwirq; 422 u32 v_hwirq; 423 struct irq_desc *desc; 424 }; 425 426 #define KVMPPC_PIRQ_MAPPED 1024 427 struct kvmppc_passthru_irqmap { 428 int n_mapped; 429 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 430 }; 431 #endif 432 433 # ifdef CONFIG_PPC_FSL_BOOK3E 434 #define KVMPPC_BOOKE_IAC_NUM 2 435 #define KVMPPC_BOOKE_DAC_NUM 2 436 # else 437 #define KVMPPC_BOOKE_IAC_NUM 4 438 #define KVMPPC_BOOKE_DAC_NUM 2 439 # endif 440 #define KVMPPC_BOOKE_MAX_IAC 4 441 #define KVMPPC_BOOKE_MAX_DAC 2 442 443 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 444 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 445 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 446 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 447 448 #define KVMPPC_IRQ_DEFAULT 0 449 #define KVMPPC_IRQ_MPIC 1 450 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 451 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ 452 453 #define MMIO_HPTE_CACHE_SIZE 4 454 455 struct mmio_hpte_cache_entry { 456 unsigned long hpte_v; 457 unsigned long hpte_r; 458 unsigned long rpte; 459 unsigned long pte_index; 460 unsigned long eaddr; 461 unsigned long slb_v; 462 long mmio_update; 463 unsigned int slb_base_pshift; 464 }; 465 466 struct mmio_hpte_cache { 467 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 468 unsigned int index; 469 }; 470 471 #define KVMPPC_VSX_COPY_NONE 0 472 #define KVMPPC_VSX_COPY_WORD 1 473 #define KVMPPC_VSX_COPY_DWORD 2 474 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 475 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 476 477 #define KVMPPC_VMX_COPY_BYTE 8 478 #define KVMPPC_VMX_COPY_HWORD 9 479 #define KVMPPC_VMX_COPY_WORD 10 480 #define KVMPPC_VMX_COPY_DWORD 11 481 482 struct openpic; 483 484 /* W0 and W1 of a XIVE thread management context */ 485 union xive_tma_w01 { 486 struct { 487 u8 nsr; 488 u8 cppr; 489 u8 ipb; 490 u8 lsmfb; 491 u8 ack; 492 u8 inc; 493 u8 age; 494 u8 pipr; 495 }; 496 __be64 w01; 497 }; 498 499 struct kvm_vcpu_arch { 500 ulong host_stack; 501 u32 host_pid; 502 #ifdef CONFIG_PPC_BOOK3S 503 struct kvmppc_slb slb[64]; 504 int slb_max; /* 1 + index of last valid entry in slb[] */ 505 int slb_nr; /* total number of entries in SLB */ 506 struct kvmppc_mmu mmu; 507 struct kvmppc_vcpu_book3s *book3s; 508 #endif 509 #ifdef CONFIG_PPC_BOOK3S_32 510 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 511 #endif 512 513 struct pt_regs regs; 514 515 struct thread_fp_state fp; 516 517 #ifdef CONFIG_SPE 518 ulong evr[32]; 519 ulong spefscr; 520 ulong host_spefscr; 521 u64 acc; 522 #endif 523 #ifdef CONFIG_ALTIVEC 524 struct thread_vr_state vr; 525 #endif 526 527 #ifdef CONFIG_KVM_BOOKE_HV 528 u32 host_mas4; 529 u32 host_mas6; 530 u32 shadow_epcr; 531 u32 shadow_msrp; 532 u32 eplc; 533 u32 epsc; 534 u32 oldpir; 535 #endif 536 537 #if defined(CONFIG_BOOKE) 538 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 539 u32 epcr; 540 #endif 541 #endif 542 543 #ifdef CONFIG_PPC_BOOK3S 544 /* For Gekko paired singles */ 545 u32 qpr[32]; 546 #endif 547 548 #ifdef CONFIG_PPC_BOOK3S 549 ulong tar; 550 #endif 551 552 #ifdef CONFIG_PPC_BOOK3S 553 ulong hflags; 554 ulong guest_owned_ext; 555 ulong purr; 556 ulong spurr; 557 ulong ic; 558 ulong dscr; 559 ulong amr; 560 ulong uamor; 561 ulong iamr; 562 u32 ctrl; 563 u32 dabrx; 564 ulong dabr; 565 ulong dawr; 566 ulong dawrx; 567 ulong ciabr; 568 ulong cfar; 569 ulong ppr; 570 u32 pspb; 571 ulong fscr; 572 ulong shadow_fscr; 573 ulong ebbhr; 574 ulong ebbrr; 575 ulong bescr; 576 ulong csigr; 577 ulong tacr; 578 ulong tcscr; 579 ulong acop; 580 ulong wort; 581 ulong tid; 582 ulong psscr; 583 ulong hfscr; 584 ulong shadow_srr1; 585 #endif 586 u32 vrsave; /* also USPRG0 */ 587 u32 mmucr; 588 /* shadow_msr is unused for BookE HV */ 589 ulong shadow_msr; 590 ulong csrr0; 591 ulong csrr1; 592 ulong dsrr0; 593 ulong dsrr1; 594 ulong mcsrr0; 595 ulong mcsrr1; 596 ulong mcsr; 597 ulong dec; 598 #ifdef CONFIG_BOOKE 599 u32 decar; 600 #endif 601 /* Time base value when we entered the guest */ 602 u64 entry_tb; 603 u64 entry_vtb; 604 u64 entry_ic; 605 u32 tcr; 606 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 607 u32 ivor[64]; 608 ulong ivpr; 609 u32 pvr; 610 611 u32 shadow_pid; 612 u32 shadow_pid1; 613 u32 pid; 614 u32 swap_pid; 615 616 u32 ccr0; 617 u32 ccr1; 618 u32 dbsr; 619 620 u64 mmcr[5]; 621 u32 pmc[8]; 622 u32 spmc[2]; 623 u64 siar; 624 u64 sdar; 625 u64 sier; 626 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 627 u64 tfhar; 628 u64 texasr; 629 u64 tfiar; 630 u64 orig_texasr; 631 632 u32 cr_tm; 633 u64 xer_tm; 634 u64 lr_tm; 635 u64 ctr_tm; 636 u64 amr_tm; 637 u64 ppr_tm; 638 u64 dscr_tm; 639 u64 tar_tm; 640 641 ulong gpr_tm[32]; 642 643 struct thread_fp_state fp_tm; 644 645 struct thread_vr_state vr_tm; 646 u32 vrsave_tm; /* also USPRG0 */ 647 #endif 648 649 #ifdef CONFIG_KVM_EXIT_TIMING 650 struct mutex exit_timing_lock; 651 struct kvmppc_exit_timing timing_exit; 652 struct kvmppc_exit_timing timing_last_enter; 653 u32 last_exit_type; 654 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 655 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 656 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 657 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 658 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 659 u64 timing_last_exit; 660 struct dentry *debugfs_exit_timing; 661 #endif 662 663 #ifdef CONFIG_PPC_BOOK3S 664 ulong fault_dar; 665 u32 fault_dsisr; 666 unsigned long intr_msr; 667 ulong fault_gpa; /* guest real address of page fault (POWER9) */ 668 #endif 669 670 #ifdef CONFIG_BOOKE 671 ulong fault_dear; 672 ulong fault_esr; 673 ulong queued_dear; 674 ulong queued_esr; 675 spinlock_t wdt_lock; 676 struct timer_list wdt_timer; 677 u32 tlbcfg[4]; 678 u32 tlbps[4]; 679 u32 mmucfg; 680 u32 eptcfg; 681 u32 epr; 682 u64 sprg9; 683 u32 pwrmgtcr0; 684 u32 crit_save; 685 /* guest debug registers*/ 686 struct debug_reg dbg_reg; 687 #endif 688 gpa_t paddr_accessed; 689 gva_t vaddr_accessed; 690 pgd_t *pgdir; 691 692 u16 io_gpr; /* GPR used as IO source/target */ 693 u8 mmio_host_swabbed; 694 u8 mmio_sign_extend; 695 /* conversion between single and double precision */ 696 u8 mmio_sp64_extend; 697 /* 698 * Number of simulations for vsx. 699 * If we use 2*8bytes to simulate 1*16bytes, 700 * then the number should be 2 and 701 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. 702 * If we use 4*4bytes to simulate 1*16bytes, 703 * the number should be 4 and 704 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 705 */ 706 u8 mmio_vsx_copy_nums; 707 u8 mmio_vsx_offset; 708 u8 mmio_vmx_copy_nums; 709 u8 mmio_vmx_offset; 710 u8 mmio_copy_type; 711 u8 osi_needed; 712 u8 osi_enabled; 713 u8 papr_enabled; 714 u8 watchdog_enabled; 715 u8 sane; 716 u8 cpu_type; 717 u8 hcall_needed; 718 u8 epr_flags; /* KVMPPC_EPR_xxx */ 719 u8 epr_needed; 720 u8 external_oneshot; /* clear external irq after delivery */ 721 722 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 723 724 struct hrtimer dec_timer; 725 u64 dec_jiffies; 726 u64 dec_expires; 727 unsigned long pending_exceptions; 728 u8 ceded; 729 u8 prodded; 730 u8 doorbell_request; 731 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 732 u32 last_inst; 733 734 struct swait_queue_head *wqp; 735 struct kvmppc_vcore *vcore; 736 int ret; 737 int trap; 738 int state; 739 int ptid; 740 int thread_cpu; 741 int prev_cpu; 742 bool timer_running; 743 wait_queue_head_t cpu_run; 744 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 745 746 struct kvm_vcpu_arch_shared *shared; 747 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 748 bool shared_big_endian; 749 #endif 750 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 751 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 752 bool disable_kernel_nx; 753 754 int irq_type; /* one of KVM_IRQ_* */ 755 int irq_cpu_id; 756 struct openpic *mpic; /* KVM_IRQ_MPIC */ 757 #ifdef CONFIG_KVM_XICS 758 struct kvmppc_icp *icp; /* XICS presentation controller */ 759 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 760 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 761 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 762 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 763 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 764 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 765 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 766 #endif 767 768 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 769 struct kvm_vcpu_arch_shared shregs; 770 771 struct mmio_hpte_cache mmio_cache; 772 unsigned long pgfault_addr; 773 long pgfault_index; 774 unsigned long pgfault_hpte[2]; 775 struct mmio_hpte_cache_entry *pgfault_cache; 776 777 struct task_struct *run_task; 778 struct kvm_run *kvm_run; 779 780 spinlock_t vpa_update_lock; 781 struct kvmppc_vpa vpa; 782 struct kvmppc_vpa dtl; 783 struct dtl_entry *dtl_ptr; 784 unsigned long dtl_index; 785 u64 stolen_logged; 786 struct kvmppc_vpa slb_shadow; 787 788 spinlock_t tbacct_lock; 789 u64 busy_stolen; 790 u64 busy_preempt; 791 792 u32 emul_inst; 793 794 u32 online; 795 796 /* For support of nested guests */ 797 struct kvm_nested_guest *nested; 798 u32 nested_vcpu_id; 799 gpa_t nested_io_gpr; 800 #endif 801 802 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 803 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 804 u64 cur_tb_start; /* when it started */ 805 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 806 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 807 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 808 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 809 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 810 811 struct dentry *debugfs_dir; 812 struct dentry *debugfs_timings; 813 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 814 }; 815 816 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 817 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 818 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 819 820 /* Values for vcpu->arch.state */ 821 #define KVMPPC_VCPU_NOTREADY 0 822 #define KVMPPC_VCPU_RUNNABLE 1 823 #define KVMPPC_VCPU_BUSY_IN_HOST 2 824 825 /* Values for vcpu->arch.io_gpr */ 826 #define KVM_MMIO_REG_MASK 0x003f 827 #define KVM_MMIO_REG_EXT_MASK 0xffc0 828 #define KVM_MMIO_REG_GPR 0x0000 829 #define KVM_MMIO_REG_FPR 0x0040 830 #define KVM_MMIO_REG_QPR 0x0080 831 #define KVM_MMIO_REG_FQPR 0x00c0 832 #define KVM_MMIO_REG_VSX 0x0100 833 #define KVM_MMIO_REG_VMX 0x0180 834 #define KVM_MMIO_REG_NESTED_GPR 0xffc0 835 836 837 #define __KVM_HAVE_ARCH_WQP 838 #define __KVM_HAVE_CREATE_DEVICE 839 840 static inline void kvm_arch_hardware_disable(void) {} 841 static inline void kvm_arch_hardware_unsetup(void) {} 842 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 843 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} 844 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 845 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 846 static inline void kvm_arch_exit(void) {} 847 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 848 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 849 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 850 851 #endif /* __POWERPC_KVM_HOST_H__ */ 852