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 u8 radix; 291 u8 fwnmi_enabled; 292 u8 secure_guest; 293 u8 svm_enabled; 294 bool nested_enable; 295 bool dawr1_enabled; 296 pgd_t *pgtable; 297 u64 process_table; 298 struct dentry *debugfs_dir; 299 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 300 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 301 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 302 struct mutex hpt_mutex; 303 #endif 304 #ifdef CONFIG_PPC_BOOK3S_64 305 struct list_head spapr_tce_tables; 306 struct list_head rtas_tokens; 307 struct mutex rtas_token_lock; 308 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 309 #endif 310 #ifdef CONFIG_KVM_MPIC 311 struct openpic *mpic; 312 #endif 313 #ifdef CONFIG_KVM_XICS 314 struct kvmppc_xics *xics; 315 struct kvmppc_xics *xics_device; 316 struct kvmppc_xive *xive; /* Current XIVE device in use */ 317 struct { 318 struct kvmppc_xive *native; 319 struct kvmppc_xive *xics_on_xive; 320 } xive_devices; 321 struct kvmppc_passthru_irqmap *pimap; 322 #endif 323 struct kvmppc_ops *kvm_ops; 324 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 325 struct mutex uvmem_lock; 326 struct list_head uvmem_pfns; 327 struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */ 328 u64 l1_ptcr; 329 int max_nested_lpid; 330 struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS]; 331 /* This array can grow quite large, keep it at the end */ 332 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 333 #endif 334 }; 335 336 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 337 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 338 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 339 340 /* This bit is used when a vcore exit is triggered from outside the vcore */ 341 #define VCORE_EXIT_REQ 0x10000 342 343 /* 344 * Values for vcore_state. 345 * Note that these are arranged such that lower values 346 * (< VCORE_SLEEPING) don't require stolen time accounting 347 * on load/unload, and higher values do. 348 */ 349 #define VCORE_INACTIVE 0 350 #define VCORE_PREEMPT 1 351 #define VCORE_PIGGYBACK 2 352 #define VCORE_SLEEPING 3 353 #define VCORE_RUNNING 4 354 #define VCORE_EXITING 5 355 #define VCORE_POLLING 6 356 357 /* 358 * Struct used to manage memory for a virtual processor area 359 * registered by a PAPR guest. There are three types of area 360 * that a guest can register. 361 */ 362 struct kvmppc_vpa { 363 unsigned long gpa; /* Current guest phys addr */ 364 void *pinned_addr; /* Address in kernel linear mapping */ 365 void *pinned_end; /* End of region */ 366 unsigned long next_gpa; /* Guest phys addr for update */ 367 unsigned long len; /* Number of bytes required */ 368 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 369 bool dirty; /* true => area has been modified by kernel */ 370 }; 371 372 struct kvmppc_pte { 373 ulong eaddr; 374 u64 vpage; 375 ulong raddr; 376 bool may_read : 1; 377 bool may_write : 1; 378 bool may_execute : 1; 379 unsigned long wimg; 380 unsigned long rc; 381 u8 page_size; /* MMU_PAGE_xxx */ 382 u8 page_shift; 383 }; 384 385 struct kvmppc_mmu { 386 /* book3s_64 only */ 387 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 388 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 389 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 390 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb); 391 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 392 void (*slbia)(struct kvm_vcpu *vcpu); 393 /* book3s */ 394 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 395 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 396 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 397 struct kvmppc_pte *pte, bool data, bool iswrite); 398 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 399 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 400 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 401 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 402 }; 403 404 struct kvmppc_slb { 405 u64 esid; 406 u64 vsid; 407 u64 orige; 408 u64 origv; 409 bool valid : 1; 410 bool Ks : 1; 411 bool Kp : 1; 412 bool nx : 1; 413 bool large : 1; /* PTEs are 16MB */ 414 bool tb : 1; /* 1TB segment */ 415 bool class : 1; 416 u8 base_page_size; /* MMU_PAGE_xxx */ 417 }; 418 419 /* Struct used to accumulate timing information in HV real mode code */ 420 struct kvmhv_tb_accumulator { 421 u64 seqcount; /* used to synchronize access, also count * 2 */ 422 u64 tb_total; /* total time in timebase ticks */ 423 u64 tb_min; /* min time */ 424 u64 tb_max; /* max time */ 425 }; 426 427 #ifdef CONFIG_PPC_BOOK3S_64 428 struct kvmppc_irq_map { 429 u32 r_hwirq; 430 u32 v_hwirq; 431 struct irq_desc *desc; 432 }; 433 434 #define KVMPPC_PIRQ_MAPPED 1024 435 struct kvmppc_passthru_irqmap { 436 int n_mapped; 437 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 438 }; 439 #endif 440 441 # ifdef CONFIG_PPC_FSL_BOOK3E 442 #define KVMPPC_BOOKE_IAC_NUM 2 443 #define KVMPPC_BOOKE_DAC_NUM 2 444 # else 445 #define KVMPPC_BOOKE_IAC_NUM 4 446 #define KVMPPC_BOOKE_DAC_NUM 2 447 # endif 448 #define KVMPPC_BOOKE_MAX_IAC 4 449 #define KVMPPC_BOOKE_MAX_DAC 2 450 451 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 452 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 453 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 454 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 455 456 #define KVMPPC_IRQ_DEFAULT 0 457 #define KVMPPC_IRQ_MPIC 1 458 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 459 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ 460 461 #define MMIO_HPTE_CACHE_SIZE 4 462 463 struct mmio_hpte_cache_entry { 464 unsigned long hpte_v; 465 unsigned long hpte_r; 466 unsigned long rpte; 467 unsigned long pte_index; 468 unsigned long eaddr; 469 unsigned long slb_v; 470 long mmio_update; 471 unsigned int slb_base_pshift; 472 }; 473 474 struct mmio_hpte_cache { 475 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 476 unsigned int index; 477 }; 478 479 #define KVMPPC_VSX_COPY_NONE 0 480 #define KVMPPC_VSX_COPY_WORD 1 481 #define KVMPPC_VSX_COPY_DWORD 2 482 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 483 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 484 485 #define KVMPPC_VMX_COPY_BYTE 8 486 #define KVMPPC_VMX_COPY_HWORD 9 487 #define KVMPPC_VMX_COPY_WORD 10 488 #define KVMPPC_VMX_COPY_DWORD 11 489 490 struct openpic; 491 492 /* W0 and W1 of a XIVE thread management context */ 493 union xive_tma_w01 { 494 struct { 495 u8 nsr; 496 u8 cppr; 497 u8 ipb; 498 u8 lsmfb; 499 u8 ack; 500 u8 inc; 501 u8 age; 502 u8 pipr; 503 }; 504 __be64 w01; 505 }; 506 507 struct kvm_vcpu_arch { 508 ulong host_stack; 509 u32 host_pid; 510 #ifdef CONFIG_PPC_BOOK3S 511 struct kvmppc_slb slb[64]; 512 int slb_max; /* 1 + index of last valid entry in slb[] */ 513 int slb_nr; /* total number of entries in SLB */ 514 struct kvmppc_mmu mmu; 515 struct kvmppc_vcpu_book3s *book3s; 516 #endif 517 #ifdef CONFIG_PPC_BOOK3S_32 518 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 519 #endif 520 521 struct pt_regs regs; 522 523 struct thread_fp_state fp; 524 525 #ifdef CONFIG_SPE 526 ulong evr[32]; 527 ulong spefscr; 528 ulong host_spefscr; 529 u64 acc; 530 #endif 531 #ifdef CONFIG_ALTIVEC 532 struct thread_vr_state vr; 533 #endif 534 535 #ifdef CONFIG_KVM_BOOKE_HV 536 u32 host_mas4; 537 u32 host_mas6; 538 u32 shadow_epcr; 539 u32 shadow_msrp; 540 u32 eplc; 541 u32 epsc; 542 u32 oldpir; 543 #endif 544 545 #if defined(CONFIG_BOOKE) 546 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 547 u32 epcr; 548 #endif 549 #endif 550 551 #ifdef CONFIG_PPC_BOOK3S 552 /* For Gekko paired singles */ 553 u32 qpr[32]; 554 #endif 555 556 #ifdef CONFIG_PPC_BOOK3S 557 ulong tar; 558 #endif 559 560 #ifdef CONFIG_PPC_BOOK3S 561 ulong hflags; 562 ulong guest_owned_ext; 563 ulong purr; 564 ulong spurr; 565 ulong ic; 566 ulong dscr; 567 ulong amr; 568 ulong uamor; 569 ulong iamr; 570 u32 ctrl; 571 u32 dabrx; 572 ulong dabr; 573 ulong dawr0; 574 ulong dawrx0; 575 ulong dawr1; 576 ulong dawrx1; 577 ulong ciabr; 578 ulong cfar; 579 ulong ppr; 580 u32 pspb; 581 u8 load_ebb; 582 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 583 u8 load_tm; 584 #endif 585 ulong fscr; 586 ulong shadow_fscr; 587 ulong ebbhr; 588 ulong ebbrr; 589 ulong bescr; 590 ulong csigr; 591 ulong tacr; 592 ulong tcscr; 593 ulong acop; 594 ulong wort; 595 ulong tid; 596 ulong psscr; 597 ulong hfscr; 598 ulong shadow_srr1; 599 #endif 600 u32 vrsave; /* also USPRG0 */ 601 u32 mmucr; 602 /* shadow_msr is unused for BookE HV */ 603 ulong shadow_msr; 604 ulong csrr0; 605 ulong csrr1; 606 ulong dsrr0; 607 ulong dsrr1; 608 ulong mcsrr0; 609 ulong mcsrr1; 610 ulong mcsr; 611 ulong dec; 612 #ifdef CONFIG_BOOKE 613 u32 decar; 614 #endif 615 /* Time base value when we entered the guest */ 616 u64 entry_tb; 617 u64 entry_vtb; 618 u64 entry_ic; 619 u32 tcr; 620 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 621 u32 ivor[64]; 622 ulong ivpr; 623 u32 pvr; 624 625 u32 shadow_pid; 626 u32 shadow_pid1; 627 u32 pid; 628 u32 swap_pid; 629 630 u32 ccr0; 631 u32 ccr1; 632 u32 dbsr; 633 634 u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */ 635 u64 mmcra; 636 u64 mmcrs; 637 u32 pmc[8]; 638 u32 spmc[2]; 639 u64 siar; 640 u64 sdar; 641 u64 sier[3]; 642 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 643 u64 tfhar; 644 u64 texasr; 645 u64 tfiar; 646 u64 orig_texasr; 647 648 u32 cr_tm; 649 u64 xer_tm; 650 u64 lr_tm; 651 u64 ctr_tm; 652 u64 amr_tm; 653 u64 ppr_tm; 654 u64 dscr_tm; 655 u64 tar_tm; 656 657 ulong gpr_tm[32]; 658 659 struct thread_fp_state fp_tm; 660 661 struct thread_vr_state vr_tm; 662 u32 vrsave_tm; /* also USPRG0 */ 663 #endif 664 665 #ifdef CONFIG_KVM_EXIT_TIMING 666 struct mutex exit_timing_lock; 667 struct kvmppc_exit_timing timing_exit; 668 struct kvmppc_exit_timing timing_last_enter; 669 u32 last_exit_type; 670 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 671 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 672 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 673 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 674 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 675 u64 timing_last_exit; 676 struct dentry *debugfs_exit_timing; 677 #endif 678 679 #ifdef CONFIG_PPC_BOOK3S 680 ulong fault_dar; 681 u32 fault_dsisr; 682 unsigned long intr_msr; 683 /* 684 * POWER9 and later: fault_gpa contains the guest real address of page 685 * fault for a radix guest, or segment descriptor (equivalent to result 686 * from slbmfev of SLB entry that translated the EA) for hash guests. 687 */ 688 ulong fault_gpa; 689 #endif 690 691 #ifdef CONFIG_BOOKE 692 ulong fault_dear; 693 ulong fault_esr; 694 ulong queued_dear; 695 ulong queued_esr; 696 spinlock_t wdt_lock; 697 struct timer_list wdt_timer; 698 u32 tlbcfg[4]; 699 u32 tlbps[4]; 700 u32 mmucfg; 701 u32 eptcfg; 702 u32 epr; 703 u64 sprg9; 704 u32 pwrmgtcr0; 705 u32 crit_save; 706 /* guest debug registers*/ 707 struct debug_reg dbg_reg; 708 #endif 709 gpa_t paddr_accessed; 710 gva_t vaddr_accessed; 711 pgd_t *pgdir; 712 713 u16 io_gpr; /* GPR used as IO source/target */ 714 u8 mmio_host_swabbed; 715 u8 mmio_sign_extend; 716 /* conversion between single and double precision */ 717 u8 mmio_sp64_extend; 718 /* 719 * Number of simulations for vsx. 720 * If we use 2*8bytes to simulate 1*16bytes, 721 * then the number should be 2 and 722 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. 723 * If we use 4*4bytes to simulate 1*16bytes, 724 * the number should be 4 and 725 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 726 */ 727 u8 mmio_vsx_copy_nums; 728 u8 mmio_vsx_offset; 729 u8 mmio_vmx_copy_nums; 730 u8 mmio_vmx_offset; 731 u8 mmio_copy_type; 732 u8 osi_needed; 733 u8 osi_enabled; 734 u8 papr_enabled; 735 u8 watchdog_enabled; 736 u8 sane; 737 u8 cpu_type; 738 u8 hcall_needed; 739 u8 epr_flags; /* KVMPPC_EPR_xxx */ 740 u8 epr_needed; 741 u8 external_oneshot; /* clear external irq after delivery */ 742 743 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 744 745 struct hrtimer dec_timer; 746 u64 dec_jiffies; 747 u64 dec_expires; /* Relative to guest timebase. */ 748 unsigned long pending_exceptions; 749 u8 ceded; 750 u8 prodded; 751 u8 doorbell_request; 752 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 753 u32 last_inst; 754 755 struct rcuwait wait; 756 struct rcuwait *waitp; 757 struct kvmppc_vcore *vcore; 758 int ret; 759 int trap; 760 int state; 761 int ptid; 762 int thread_cpu; 763 int prev_cpu; 764 bool timer_running; 765 wait_queue_head_t cpu_run; 766 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 767 768 struct kvm_vcpu_arch_shared *shared; 769 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 770 bool shared_big_endian; 771 #endif 772 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 773 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 774 bool disable_kernel_nx; 775 776 int irq_type; /* one of KVM_IRQ_* */ 777 int irq_cpu_id; 778 struct openpic *mpic; /* KVM_IRQ_MPIC */ 779 #ifdef CONFIG_KVM_XICS 780 struct kvmppc_icp *icp; /* XICS presentation controller */ 781 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 782 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 783 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 784 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 785 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 786 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 787 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 788 #endif 789 790 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 791 struct kvm_vcpu_arch_shared shregs; 792 793 struct mmio_hpte_cache mmio_cache; 794 unsigned long pgfault_addr; 795 long pgfault_index; 796 unsigned long pgfault_hpte[2]; 797 struct mmio_hpte_cache_entry *pgfault_cache; 798 799 struct task_struct *run_task; 800 801 spinlock_t vpa_update_lock; 802 struct kvmppc_vpa vpa; 803 struct kvmppc_vpa dtl; 804 struct dtl_entry *dtl_ptr; 805 unsigned long dtl_index; 806 u64 stolen_logged; 807 struct kvmppc_vpa slb_shadow; 808 809 spinlock_t tbacct_lock; 810 u64 busy_stolen; 811 u64 busy_preempt; 812 813 u32 emul_inst; 814 815 u32 online; 816 817 u64 hfscr_permitted; /* A mask of permitted HFSCR facilities */ 818 819 /* For support of nested guests */ 820 struct kvm_nested_guest *nested; 821 u32 nested_vcpu_id; 822 gpa_t nested_io_gpr; 823 #endif 824 825 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 826 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 827 u64 cur_tb_start; /* when it started */ 828 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 829 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 830 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 831 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 832 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 833 834 struct dentry *debugfs_dir; 835 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 836 }; 837 838 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 839 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 840 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 841 842 /* Values for vcpu->arch.state */ 843 #define KVMPPC_VCPU_NOTREADY 0 844 #define KVMPPC_VCPU_RUNNABLE 1 845 #define KVMPPC_VCPU_BUSY_IN_HOST 2 846 847 /* Values for vcpu->arch.io_gpr */ 848 #define KVM_MMIO_REG_MASK 0x003f 849 #define KVM_MMIO_REG_EXT_MASK 0xffc0 850 #define KVM_MMIO_REG_GPR 0x0000 851 #define KVM_MMIO_REG_FPR 0x0040 852 #define KVM_MMIO_REG_QPR 0x0080 853 #define KVM_MMIO_REG_FQPR 0x00c0 854 #define KVM_MMIO_REG_VSX 0x0100 855 #define KVM_MMIO_REG_VMX 0x0180 856 #define KVM_MMIO_REG_NESTED_GPR 0xffc0 857 858 859 #define __KVM_HAVE_ARCH_WQP 860 #define __KVM_HAVE_CREATE_DEVICE 861 862 static inline void kvm_arch_hardware_disable(void) {} 863 static inline void kvm_arch_hardware_unsetup(void) {} 864 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 865 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} 866 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 867 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 868 static inline void kvm_arch_exit(void) {} 869 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 870 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 871 872 #endif /* __POWERPC_KVM_HOST_H__ */ 873