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