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 32 #include <asm/cputhreads.h> 33 34 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 35 #include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */ 36 #define KVM_MAX_VCPU_IDS (MAX_SMT_THREADS * KVM_MAX_VCORES) 37 #define KVM_MAX_NESTED_GUESTS KVMPPC_NR_LPIDS 38 39 #else 40 #define KVM_MAX_VCPU_IDS KVM_MAX_VCPUS 41 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 42 43 #define __KVM_HAVE_ARCH_INTC_INITIALIZED 44 45 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 46 47 /* These values are internal and can be increased later */ 48 #define KVM_NR_IRQCHIPS 1 49 #define KVM_IRQCHIP_NUM_PINS 256 50 51 /* PPC-specific vcpu->requests bit members */ 52 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0) 53 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1) 54 #define KVM_REQ_PENDING_TIMER KVM_ARCH_REQ(2) 55 56 #include <linux/mmu_notifier.h> 57 58 #define KVM_ARCH_WANT_MMU_NOTIFIER 59 60 #define HPTEG_CACHE_NUM (1 << 15) 61 #define HPTEG_HASH_BITS_PTE 13 62 #define HPTEG_HASH_BITS_PTE_LONG 12 63 #define HPTEG_HASH_BITS_VPTE 13 64 #define HPTEG_HASH_BITS_VPTE_LONG 5 65 #define HPTEG_HASH_BITS_VPTE_64K 11 66 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 67 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 68 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 69 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 70 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 71 72 /* Physical Address Mask - allowed range of real mode RAM access */ 73 #define KVM_PAM 0x0fffffffffffffffULL 74 75 struct lppaca; 76 struct slb_shadow; 77 struct dtl_entry; 78 79 struct kvmppc_vcpu_book3s; 80 struct kvmppc_book3s_shadow_vcpu; 81 struct kvm_nested_guest; 82 83 struct kvm_vm_stat { 84 struct kvm_vm_stat_generic generic; 85 u64 num_2M_pages; 86 u64 num_1G_pages; 87 }; 88 89 struct kvm_vcpu_stat { 90 struct kvm_vcpu_stat_generic generic; 91 u64 sum_exits; 92 u64 mmio_exits; 93 u64 signal_exits; 94 u64 light_exits; 95 /* Account for special types of light exits: */ 96 u64 itlb_real_miss_exits; 97 u64 itlb_virt_miss_exits; 98 u64 dtlb_real_miss_exits; 99 u64 dtlb_virt_miss_exits; 100 u64 syscall_exits; 101 u64 isi_exits; 102 u64 dsi_exits; 103 u64 emulated_inst_exits; 104 u64 dec_exits; 105 u64 ext_intr_exits; 106 u64 halt_successful_wait; 107 u64 dbell_exits; 108 u64 gdbell_exits; 109 u64 ld; 110 u64 st; 111 #ifdef CONFIG_PPC_BOOK3S 112 u64 pf_storage; 113 u64 pf_instruc; 114 u64 sp_storage; 115 u64 sp_instruc; 116 u64 queue_intr; 117 u64 ld_slow; 118 u64 st_slow; 119 #endif 120 u64 pthru_all; 121 u64 pthru_host; 122 u64 pthru_bad_aff; 123 }; 124 125 enum kvm_exit_types { 126 MMIO_EXITS, 127 SIGNAL_EXITS, 128 ITLB_REAL_MISS_EXITS, 129 ITLB_VIRT_MISS_EXITS, 130 DTLB_REAL_MISS_EXITS, 131 DTLB_VIRT_MISS_EXITS, 132 SYSCALL_EXITS, 133 ISI_EXITS, 134 DSI_EXITS, 135 EMULATED_INST_EXITS, 136 EMULATED_MTMSRWE_EXITS, 137 EMULATED_WRTEE_EXITS, 138 EMULATED_MTSPR_EXITS, 139 EMULATED_MFSPR_EXITS, 140 EMULATED_MTMSR_EXITS, 141 EMULATED_MFMSR_EXITS, 142 EMULATED_TLBSX_EXITS, 143 EMULATED_TLBWE_EXITS, 144 EMULATED_RFI_EXITS, 145 EMULATED_RFCI_EXITS, 146 EMULATED_RFDI_EXITS, 147 DEC_EXITS, 148 EXT_INTR_EXITS, 149 HALT_WAKEUP, 150 USR_PR_INST, 151 FP_UNAVAIL, 152 DEBUG_EXITS, 153 TIMEINGUEST, 154 DBELL_EXITS, 155 GDBELL_EXITS, 156 __NUMBER_OF_KVM_EXIT_TYPES 157 }; 158 159 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 160 struct kvmppc_exit_timing { 161 union { 162 u64 tv64; 163 struct { 164 u32 tbu, tbl; 165 } tv32; 166 }; 167 }; 168 169 struct kvmppc_pginfo { 170 unsigned long pfn; 171 atomic_t refcnt; 172 }; 173 174 struct kvmppc_spapr_tce_iommu_table { 175 struct rcu_head rcu; 176 struct list_head next; 177 struct iommu_table *tbl; 178 struct kref kref; 179 }; 180 181 #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) 182 183 struct kvmppc_spapr_tce_table { 184 struct list_head list; 185 struct kvm *kvm; 186 u64 liobn; 187 struct rcu_head rcu; 188 u32 page_shift; 189 u64 offset; /* in pages */ 190 u64 size; /* window size in pages */ 191 struct list_head iommu_tables; 192 struct mutex alloc_lock; 193 struct page *pages[]; 194 }; 195 196 /* XICS components, defined in book3s_xics.c */ 197 struct kvmppc_xics; 198 struct kvmppc_icp; 199 extern struct kvm_device_ops kvm_xics_ops; 200 201 /* XIVE components, defined in book3s_xive.c */ 202 struct kvmppc_xive; 203 struct kvmppc_xive_vcpu; 204 extern struct kvm_device_ops kvm_xive_ops; 205 extern struct kvm_device_ops kvm_xive_native_ops; 206 207 struct kvmppc_passthru_irqmap; 208 209 /* 210 * The reverse mapping array has one entry for each HPTE, 211 * which stores the guest's view of the second word of the HPTE 212 * (including the guest physical address of the mapping), 213 * plus forward and backward pointers in a doubly-linked ring 214 * of HPTEs that map the same host page. The pointers in this 215 * ring are 32-bit HPTE indexes, to save space. 216 */ 217 struct revmap_entry { 218 unsigned long guest_rpte; 219 unsigned int forw, back; 220 }; 221 222 /* 223 * The rmap array of size number of guest pages is allocated for each memslot. 224 * This array is used to store usage specific information about the guest page. 225 * Below are the encodings of the various possible usage types. 226 */ 227 /* Free bits which can be used to define a new usage */ 228 #define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000 229 #define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */ 230 #define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */ 231 232 /* 233 * rmap usage definition for a hash page table (hpt) guest: 234 * 0x0000080000000000 Lock bit 235 * 0x0000018000000000 RC bits 236 * 0x0000000100000000 Present bit 237 * 0x00000000ffffffff HPT index bits 238 * The bottom 32 bits are the index in the guest HPT of a HPTE that points to 239 * the page. 240 */ 241 #define KVMPPC_RMAP_LOCK_BIT 43 242 #define KVMPPC_RMAP_RC_SHIFT 32 243 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 244 #define KVMPPC_RMAP_PRESENT 0x100000000ul 245 #define KVMPPC_RMAP_INDEX 0xfffffffful 246 247 struct kvm_arch_memory_slot { 248 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 249 unsigned long *rmap; 250 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 251 }; 252 253 struct kvm_hpt_info { 254 /* Host virtual (linear mapping) address of guest HPT */ 255 unsigned long virt; 256 /* Array of reverse mapping entries for each guest HPTE */ 257 struct revmap_entry *rev; 258 /* Guest HPT size is 2**(order) bytes */ 259 u32 order; 260 /* 1 if HPT allocated with CMA, 0 otherwise */ 261 int cma; 262 }; 263 264 struct kvm_resize_hpt; 265 266 /* Flag values for kvm_arch.secure_guest */ 267 #define KVMPPC_SECURE_INIT_START 0x1 /* H_SVM_INIT_START has been called */ 268 #define KVMPPC_SECURE_INIT_DONE 0x2 /* H_SVM_INIT_DONE completed */ 269 #define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */ 270 271 struct kvm_arch { 272 unsigned int lpid; 273 unsigned int smt_mode; /* # vcpus per virtual core */ 274 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ 275 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 276 unsigned int tlb_sets; 277 struct kvm_hpt_info hpt; 278 atomic64_t mmio_update; 279 unsigned int host_lpid; 280 unsigned long host_lpcr; 281 unsigned long sdr1; 282 unsigned long host_sdr1; 283 unsigned long lpcr; 284 unsigned long vrma_slb_v; 285 int mmu_ready; 286 atomic_t vcpus_running; 287 u32 online_vcores; 288 atomic_t hpte_mod_interest; 289 cpumask_t need_tlb_flush; 290 cpumask_t cpu_in_guest; 291 u8 radix; 292 u8 fwnmi_enabled; 293 u8 secure_guest; 294 u8 svm_enabled; 295 bool nested_enable; 296 bool dawr1_enabled; 297 pgd_t *pgtable; 298 u64 process_table; 299 struct dentry *debugfs_dir; 300 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 301 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 302 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 303 struct mutex hpt_mutex; 304 #endif 305 #ifdef CONFIG_PPC_BOOK3S_64 306 struct list_head spapr_tce_tables; 307 struct list_head rtas_tokens; 308 struct mutex rtas_token_lock; 309 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 310 #endif 311 #ifdef CONFIG_KVM_MPIC 312 struct openpic *mpic; 313 #endif 314 #ifdef CONFIG_KVM_XICS 315 struct kvmppc_xics *xics; 316 struct kvmppc_xics *xics_device; 317 struct kvmppc_xive *xive; /* Current XIVE device in use */ 318 struct { 319 struct kvmppc_xive *native; 320 struct kvmppc_xive *xics_on_xive; 321 } xive_devices; 322 struct kvmppc_passthru_irqmap *pimap; 323 #endif 324 struct kvmppc_ops *kvm_ops; 325 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 326 struct mutex uvmem_lock; 327 struct list_head uvmem_pfns; 328 struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */ 329 u64 l1_ptcr; 330 int max_nested_lpid; 331 struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS]; 332 /* This array can grow quite large, keep it at the end */ 333 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 334 #endif 335 }; 336 337 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 338 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 339 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 340 341 /* This bit is used when a vcore exit is triggered from outside the vcore */ 342 #define VCORE_EXIT_REQ 0x10000 343 344 /* 345 * Values for vcore_state. 346 * Note that these are arranged such that lower values 347 * (< VCORE_SLEEPING) don't require stolen time accounting 348 * on load/unload, and higher values do. 349 */ 350 #define VCORE_INACTIVE 0 351 #define VCORE_PREEMPT 1 352 #define VCORE_PIGGYBACK 2 353 #define VCORE_SLEEPING 3 354 #define VCORE_RUNNING 4 355 #define VCORE_EXITING 5 356 #define VCORE_POLLING 6 357 358 /* 359 * Struct used to manage memory for a virtual processor area 360 * registered by a PAPR guest. There are three types of area 361 * that a guest can register. 362 */ 363 struct kvmppc_vpa { 364 unsigned long gpa; /* Current guest phys addr */ 365 void *pinned_addr; /* Address in kernel linear mapping */ 366 void *pinned_end; /* End of region */ 367 unsigned long next_gpa; /* Guest phys addr for update */ 368 unsigned long len; /* Number of bytes required */ 369 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 370 bool dirty; /* true => area has been modified by kernel */ 371 }; 372 373 struct kvmppc_pte { 374 ulong eaddr; 375 u64 vpage; 376 ulong raddr; 377 bool may_read : 1; 378 bool may_write : 1; 379 bool may_execute : 1; 380 unsigned long wimg; 381 unsigned long rc; 382 u8 page_size; /* MMU_PAGE_xxx */ 383 u8 page_shift; 384 }; 385 386 struct kvmppc_mmu { 387 /* book3s_64 only */ 388 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 389 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 390 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 391 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb); 392 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 393 void (*slbia)(struct kvm_vcpu *vcpu); 394 /* book3s */ 395 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 396 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 397 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 398 struct kvmppc_pte *pte, bool data, bool iswrite); 399 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 400 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 401 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 402 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 403 }; 404 405 struct kvmppc_slb { 406 u64 esid; 407 u64 vsid; 408 u64 orige; 409 u64 origv; 410 bool valid : 1; 411 bool Ks : 1; 412 bool Kp : 1; 413 bool nx : 1; 414 bool large : 1; /* PTEs are 16MB */ 415 bool tb : 1; /* 1TB segment */ 416 bool class : 1; 417 u8 base_page_size; /* MMU_PAGE_xxx */ 418 }; 419 420 /* Struct used to accumulate timing information in HV real mode code */ 421 struct kvmhv_tb_accumulator { 422 u64 seqcount; /* used to synchronize access, also count * 2 */ 423 u64 tb_total; /* total time in timebase ticks */ 424 u64 tb_min; /* min time */ 425 u64 tb_max; /* max time */ 426 }; 427 428 #ifdef CONFIG_PPC_BOOK3S_64 429 struct kvmppc_irq_map { 430 u32 r_hwirq; 431 u32 v_hwirq; 432 struct irq_desc *desc; 433 }; 434 435 #define KVMPPC_PIRQ_MAPPED 1024 436 struct kvmppc_passthru_irqmap { 437 int n_mapped; 438 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 439 }; 440 #endif 441 442 # ifdef CONFIG_PPC_FSL_BOOK3E 443 #define KVMPPC_BOOKE_IAC_NUM 2 444 #define KVMPPC_BOOKE_DAC_NUM 2 445 # else 446 #define KVMPPC_BOOKE_IAC_NUM 4 447 #define KVMPPC_BOOKE_DAC_NUM 2 448 # endif 449 #define KVMPPC_BOOKE_MAX_IAC 4 450 #define KVMPPC_BOOKE_MAX_DAC 2 451 452 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 453 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 454 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 455 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 456 457 #define KVMPPC_IRQ_DEFAULT 0 458 #define KVMPPC_IRQ_MPIC 1 459 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 460 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ 461 462 #define MMIO_HPTE_CACHE_SIZE 4 463 464 struct mmio_hpte_cache_entry { 465 unsigned long hpte_v; 466 unsigned long hpte_r; 467 unsigned long rpte; 468 unsigned long pte_index; 469 unsigned long eaddr; 470 unsigned long slb_v; 471 long mmio_update; 472 unsigned int slb_base_pshift; 473 }; 474 475 struct mmio_hpte_cache { 476 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 477 unsigned int index; 478 }; 479 480 #define KVMPPC_VSX_COPY_NONE 0 481 #define KVMPPC_VSX_COPY_WORD 1 482 #define KVMPPC_VSX_COPY_DWORD 2 483 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 484 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 485 486 #define KVMPPC_VMX_COPY_BYTE 8 487 #define KVMPPC_VMX_COPY_HWORD 9 488 #define KVMPPC_VMX_COPY_WORD 10 489 #define KVMPPC_VMX_COPY_DWORD 11 490 491 struct openpic; 492 493 /* W0 and W1 of a XIVE thread management context */ 494 union xive_tma_w01 { 495 struct { 496 u8 nsr; 497 u8 cppr; 498 u8 ipb; 499 u8 lsmfb; 500 u8 ack; 501 u8 inc; 502 u8 age; 503 u8 pipr; 504 }; 505 __be64 w01; 506 }; 507 508 struct kvm_vcpu_arch { 509 ulong host_stack; 510 u32 host_pid; 511 #ifdef CONFIG_PPC_BOOK3S 512 struct kvmppc_slb slb[64]; 513 int slb_max; /* 1 + index of last valid entry in slb[] */ 514 int slb_nr; /* total number of entries in SLB */ 515 struct kvmppc_mmu mmu; 516 struct kvmppc_vcpu_book3s *book3s; 517 #endif 518 #ifdef CONFIG_PPC_BOOK3S_32 519 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 520 #endif 521 522 struct pt_regs regs; 523 524 struct thread_fp_state fp; 525 526 #ifdef CONFIG_SPE 527 ulong evr[32]; 528 ulong spefscr; 529 ulong host_spefscr; 530 u64 acc; 531 #endif 532 #ifdef CONFIG_ALTIVEC 533 struct thread_vr_state vr; 534 #endif 535 536 #ifdef CONFIG_KVM_BOOKE_HV 537 u32 host_mas4; 538 u32 host_mas6; 539 u32 shadow_epcr; 540 u32 shadow_msrp; 541 u32 eplc; 542 u32 epsc; 543 u32 oldpir; 544 #endif 545 546 #if defined(CONFIG_BOOKE) 547 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 548 u32 epcr; 549 #endif 550 #endif 551 552 #ifdef CONFIG_PPC_BOOK3S 553 /* For Gekko paired singles */ 554 u32 qpr[32]; 555 #endif 556 557 #ifdef CONFIG_PPC_BOOK3S 558 ulong tar; 559 #endif 560 561 #ifdef CONFIG_PPC_BOOK3S 562 ulong hflags; 563 ulong guest_owned_ext; 564 ulong purr; 565 ulong spurr; 566 ulong ic; 567 ulong dscr; 568 ulong amr; 569 ulong uamor; 570 ulong iamr; 571 u32 ctrl; 572 u32 dabrx; 573 ulong dabr; 574 ulong dawr0; 575 ulong dawrx0; 576 ulong dawr1; 577 ulong dawrx1; 578 ulong ciabr; 579 ulong cfar; 580 ulong ppr; 581 u32 pspb; 582 ulong fscr; 583 ulong shadow_fscr; 584 ulong ebbhr; 585 ulong ebbrr; 586 ulong bescr; 587 ulong csigr; 588 ulong tacr; 589 ulong tcscr; 590 ulong acop; 591 ulong wort; 592 ulong tid; 593 ulong psscr; 594 ulong hfscr; 595 ulong shadow_srr1; 596 #endif 597 u32 vrsave; /* also USPRG0 */ 598 u32 mmucr; 599 /* shadow_msr is unused for BookE HV */ 600 ulong shadow_msr; 601 ulong csrr0; 602 ulong csrr1; 603 ulong dsrr0; 604 ulong dsrr1; 605 ulong mcsrr0; 606 ulong mcsrr1; 607 ulong mcsr; 608 ulong dec; 609 #ifdef CONFIG_BOOKE 610 u32 decar; 611 #endif 612 /* Time base value when we entered the guest */ 613 u64 entry_tb; 614 u64 entry_vtb; 615 u64 entry_ic; 616 u32 tcr; 617 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 618 u32 ivor[64]; 619 ulong ivpr; 620 u32 pvr; 621 622 u32 shadow_pid; 623 u32 shadow_pid1; 624 u32 pid; 625 u32 swap_pid; 626 627 u32 ccr0; 628 u32 ccr1; 629 u32 dbsr; 630 631 u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */ 632 u64 mmcra; 633 u64 mmcrs; 634 u32 pmc[8]; 635 u32 spmc[2]; 636 u64 siar; 637 u64 sdar; 638 u64 sier[3]; 639 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 640 u64 tfhar; 641 u64 texasr; 642 u64 tfiar; 643 u64 orig_texasr; 644 645 u32 cr_tm; 646 u64 xer_tm; 647 u64 lr_tm; 648 u64 ctr_tm; 649 u64 amr_tm; 650 u64 ppr_tm; 651 u64 dscr_tm; 652 u64 tar_tm; 653 654 ulong gpr_tm[32]; 655 656 struct thread_fp_state fp_tm; 657 658 struct thread_vr_state vr_tm; 659 u32 vrsave_tm; /* also USPRG0 */ 660 #endif 661 662 #ifdef CONFIG_KVM_EXIT_TIMING 663 struct mutex exit_timing_lock; 664 struct kvmppc_exit_timing timing_exit; 665 struct kvmppc_exit_timing timing_last_enter; 666 u32 last_exit_type; 667 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 668 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 669 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 670 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 671 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 672 u64 timing_last_exit; 673 struct dentry *debugfs_exit_timing; 674 #endif 675 676 #ifdef CONFIG_PPC_BOOK3S 677 ulong fault_dar; 678 u32 fault_dsisr; 679 unsigned long intr_msr; 680 /* 681 * POWER9 and later: fault_gpa contains the guest real address of page 682 * fault for a radix guest, or segment descriptor (equivalent to result 683 * from slbmfev of SLB entry that translated the EA) for hash guests. 684 */ 685 ulong fault_gpa; 686 #endif 687 688 #ifdef CONFIG_BOOKE 689 ulong fault_dear; 690 ulong fault_esr; 691 ulong queued_dear; 692 ulong queued_esr; 693 spinlock_t wdt_lock; 694 struct timer_list wdt_timer; 695 u32 tlbcfg[4]; 696 u32 tlbps[4]; 697 u32 mmucfg; 698 u32 eptcfg; 699 u32 epr; 700 u64 sprg9; 701 u32 pwrmgtcr0; 702 u32 crit_save; 703 /* guest debug registers*/ 704 struct debug_reg dbg_reg; 705 #endif 706 gpa_t paddr_accessed; 707 gva_t vaddr_accessed; 708 pgd_t *pgdir; 709 710 u16 io_gpr; /* GPR used as IO source/target */ 711 u8 mmio_host_swabbed; 712 u8 mmio_sign_extend; 713 /* conversion between single and double precision */ 714 u8 mmio_sp64_extend; 715 /* 716 * Number of simulations for vsx. 717 * If we use 2*8bytes to simulate 1*16bytes, 718 * then the number should be 2 and 719 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. 720 * If we use 4*4bytes to simulate 1*16bytes, 721 * the number should be 4 and 722 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 723 */ 724 u8 mmio_vsx_copy_nums; 725 u8 mmio_vsx_offset; 726 u8 mmio_vmx_copy_nums; 727 u8 mmio_vmx_offset; 728 u8 mmio_copy_type; 729 u8 osi_needed; 730 u8 osi_enabled; 731 u8 papr_enabled; 732 u8 watchdog_enabled; 733 u8 sane; 734 u8 cpu_type; 735 u8 hcall_needed; 736 u8 epr_flags; /* KVMPPC_EPR_xxx */ 737 u8 epr_needed; 738 u8 external_oneshot; /* clear external irq after delivery */ 739 740 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 741 742 struct hrtimer dec_timer; 743 u64 dec_jiffies; 744 u64 dec_expires; 745 unsigned long pending_exceptions; 746 u8 ceded; 747 u8 prodded; 748 u8 doorbell_request; 749 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 750 u32 last_inst; 751 752 struct rcuwait *waitp; 753 struct kvmppc_vcore *vcore; 754 int ret; 755 int trap; 756 int state; 757 int ptid; 758 int thread_cpu; 759 int prev_cpu; 760 bool timer_running; 761 wait_queue_head_t cpu_run; 762 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 763 764 struct kvm_vcpu_arch_shared *shared; 765 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 766 bool shared_big_endian; 767 #endif 768 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 769 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 770 bool disable_kernel_nx; 771 772 int irq_type; /* one of KVM_IRQ_* */ 773 int irq_cpu_id; 774 struct openpic *mpic; /* KVM_IRQ_MPIC */ 775 #ifdef CONFIG_KVM_XICS 776 struct kvmppc_icp *icp; /* XICS presentation controller */ 777 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 778 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 779 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 780 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 781 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 782 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 783 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 784 #endif 785 786 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 787 struct kvm_vcpu_arch_shared shregs; 788 789 struct mmio_hpte_cache mmio_cache; 790 unsigned long pgfault_addr; 791 long pgfault_index; 792 unsigned long pgfault_hpte[2]; 793 struct mmio_hpte_cache_entry *pgfault_cache; 794 795 struct task_struct *run_task; 796 797 spinlock_t vpa_update_lock; 798 struct kvmppc_vpa vpa; 799 struct kvmppc_vpa dtl; 800 struct dtl_entry *dtl_ptr; 801 unsigned long dtl_index; 802 u64 stolen_logged; 803 struct kvmppc_vpa slb_shadow; 804 805 spinlock_t tbacct_lock; 806 u64 busy_stolen; 807 u64 busy_preempt; 808 809 u32 emul_inst; 810 811 u32 online; 812 813 u64 hfscr_permitted; /* A mask of permitted HFSCR facilities */ 814 815 /* For support of nested guests */ 816 struct kvm_nested_guest *nested; 817 u32 nested_vcpu_id; 818 gpa_t nested_io_gpr; 819 #endif 820 821 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 822 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 823 u64 cur_tb_start; /* when it started */ 824 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 825 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 826 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 827 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 828 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 829 830 struct dentry *debugfs_dir; 831 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 832 }; 833 834 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 835 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 836 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 837 838 /* Values for vcpu->arch.state */ 839 #define KVMPPC_VCPU_NOTREADY 0 840 #define KVMPPC_VCPU_RUNNABLE 1 841 #define KVMPPC_VCPU_BUSY_IN_HOST 2 842 843 /* Values for vcpu->arch.io_gpr */ 844 #define KVM_MMIO_REG_MASK 0x003f 845 #define KVM_MMIO_REG_EXT_MASK 0xffc0 846 #define KVM_MMIO_REG_GPR 0x0000 847 #define KVM_MMIO_REG_FPR 0x0040 848 #define KVM_MMIO_REG_QPR 0x0080 849 #define KVM_MMIO_REG_FQPR 0x00c0 850 #define KVM_MMIO_REG_VSX 0x0100 851 #define KVM_MMIO_REG_VMX 0x0180 852 #define KVM_MMIO_REG_NESTED_GPR 0xffc0 853 854 855 #define __KVM_HAVE_ARCH_WQP 856 #define __KVM_HAVE_CREATE_DEVICE 857 858 static inline void kvm_arch_hardware_disable(void) {} 859 static inline void kvm_arch_hardware_unsetup(void) {} 860 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 861 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} 862 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 863 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 864 static inline void kvm_arch_exit(void) {} 865 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 866 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 867 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 868 869 #endif /* __POWERPC_KVM_HOST_H__ */ 870