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