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