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 55 #include <linux/mmu_notifier.h> 56 57 #define KVM_ARCH_WANT_MMU_NOTIFIER 58 59 #define HPTEG_CACHE_NUM (1 << 15) 60 #define HPTEG_HASH_BITS_PTE 13 61 #define HPTEG_HASH_BITS_PTE_LONG 12 62 #define HPTEG_HASH_BITS_VPTE 13 63 #define HPTEG_HASH_BITS_VPTE_LONG 5 64 #define HPTEG_HASH_BITS_VPTE_64K 11 65 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 66 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 67 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 68 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 69 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 70 71 /* Physical Address Mask - allowed range of real mode RAM access */ 72 #define KVM_PAM 0x0fffffffffffffffULL 73 74 struct lppaca; 75 struct slb_shadow; 76 struct dtl_entry; 77 78 struct kvmppc_vcpu_book3s; 79 struct kvmppc_book3s_shadow_vcpu; 80 struct kvm_nested_guest; 81 82 struct kvm_vm_stat { 83 ulong remote_tlb_flush; 84 ulong num_2M_pages; 85 ulong num_1G_pages; 86 }; 87 88 struct kvm_vcpu_stat { 89 u64 sum_exits; 90 u64 mmio_exits; 91 u64 signal_exits; 92 u64 light_exits; 93 /* Account for special types of light exits: */ 94 u64 itlb_real_miss_exits; 95 u64 itlb_virt_miss_exits; 96 u64 dtlb_real_miss_exits; 97 u64 dtlb_virt_miss_exits; 98 u64 syscall_exits; 99 u64 isi_exits; 100 u64 dsi_exits; 101 u64 emulated_inst_exits; 102 u64 dec_exits; 103 u64 ext_intr_exits; 104 u64 halt_poll_success_ns; 105 u64 halt_poll_fail_ns; 106 u64 halt_wait_ns; 107 u64 halt_successful_poll; 108 u64 halt_attempted_poll; 109 u64 halt_successful_wait; 110 u64 halt_poll_invalid; 111 u64 halt_wakeup; 112 u64 dbell_exits; 113 u64 gdbell_exits; 114 u64 ld; 115 u64 st; 116 #ifdef CONFIG_PPC_BOOK3S 117 u64 pf_storage; 118 u64 pf_instruc; 119 u64 sp_storage; 120 u64 sp_instruc; 121 u64 queue_intr; 122 u64 ld_slow; 123 u64 st_slow; 124 #endif 125 u64 pthru_all; 126 u64 pthru_host; 127 u64 pthru_bad_aff; 128 }; 129 130 enum kvm_exit_types { 131 MMIO_EXITS, 132 SIGNAL_EXITS, 133 ITLB_REAL_MISS_EXITS, 134 ITLB_VIRT_MISS_EXITS, 135 DTLB_REAL_MISS_EXITS, 136 DTLB_VIRT_MISS_EXITS, 137 SYSCALL_EXITS, 138 ISI_EXITS, 139 DSI_EXITS, 140 EMULATED_INST_EXITS, 141 EMULATED_MTMSRWE_EXITS, 142 EMULATED_WRTEE_EXITS, 143 EMULATED_MTSPR_EXITS, 144 EMULATED_MFSPR_EXITS, 145 EMULATED_MTMSR_EXITS, 146 EMULATED_MFMSR_EXITS, 147 EMULATED_TLBSX_EXITS, 148 EMULATED_TLBWE_EXITS, 149 EMULATED_RFI_EXITS, 150 EMULATED_RFCI_EXITS, 151 EMULATED_RFDI_EXITS, 152 DEC_EXITS, 153 EXT_INTR_EXITS, 154 HALT_WAKEUP, 155 USR_PR_INST, 156 FP_UNAVAIL, 157 DEBUG_EXITS, 158 TIMEINGUEST, 159 DBELL_EXITS, 160 GDBELL_EXITS, 161 __NUMBER_OF_KVM_EXIT_TYPES 162 }; 163 164 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 165 struct kvmppc_exit_timing { 166 union { 167 u64 tv64; 168 struct { 169 u32 tbu, tbl; 170 } tv32; 171 }; 172 }; 173 174 struct kvmppc_pginfo { 175 unsigned long pfn; 176 atomic_t refcnt; 177 }; 178 179 struct kvmppc_spapr_tce_iommu_table { 180 struct rcu_head rcu; 181 struct list_head next; 182 struct iommu_table *tbl; 183 struct kref kref; 184 }; 185 186 #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) 187 188 struct kvmppc_spapr_tce_table { 189 struct list_head list; 190 struct kvm *kvm; 191 u64 liobn; 192 struct rcu_head rcu; 193 u32 page_shift; 194 u64 offset; /* in pages */ 195 u64 size; /* window size in pages */ 196 struct list_head iommu_tables; 197 struct mutex alloc_lock; 198 struct page *pages[0]; 199 }; 200 201 /* XICS components, defined in book3s_xics.c */ 202 struct kvmppc_xics; 203 struct kvmppc_icp; 204 extern struct kvm_device_ops kvm_xics_ops; 205 206 /* XIVE components, defined in book3s_xive.c */ 207 struct kvmppc_xive; 208 struct kvmppc_xive_vcpu; 209 extern struct kvm_device_ops kvm_xive_ops; 210 extern struct kvm_device_ops kvm_xive_native_ops; 211 212 struct kvmppc_passthru_irqmap; 213 214 /* 215 * The reverse mapping array has one entry for each HPTE, 216 * which stores the guest's view of the second word of the HPTE 217 * (including the guest physical address of the mapping), 218 * plus forward and backward pointers in a doubly-linked ring 219 * of HPTEs that map the same host page. The pointers in this 220 * ring are 32-bit HPTE indexes, to save space. 221 */ 222 struct revmap_entry { 223 unsigned long guest_rpte; 224 unsigned int forw, back; 225 }; 226 227 /* 228 * The rmap array of size number of guest pages is allocated for each memslot. 229 * This array is used to store usage specific information about the guest page. 230 * Below are the encodings of the various possible usage types. 231 */ 232 /* Free bits which can be used to define a new usage */ 233 #define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000 234 #define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */ 235 #define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */ 236 237 /* 238 * rmap usage definition for a hash page table (hpt) guest: 239 * 0x0000080000000000 Lock bit 240 * 0x0000018000000000 RC bits 241 * 0x0000000100000000 Present bit 242 * 0x00000000ffffffff HPT index bits 243 * The bottom 32 bits are the index in the guest HPT of a HPTE that points to 244 * the page. 245 */ 246 #define KVMPPC_RMAP_LOCK_BIT 43 247 #define KVMPPC_RMAP_RC_SHIFT 32 248 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 249 #define KVMPPC_RMAP_PRESENT 0x100000000ul 250 #define KVMPPC_RMAP_INDEX 0xfffffffful 251 252 struct kvm_arch_memory_slot { 253 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 254 unsigned long *rmap; 255 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 256 }; 257 258 struct kvm_hpt_info { 259 /* Host virtual (linear mapping) address of guest HPT */ 260 unsigned long virt; 261 /* Array of reverse mapping entries for each guest HPTE */ 262 struct revmap_entry *rev; 263 /* Guest HPT size is 2**(order) bytes */ 264 u32 order; 265 /* 1 if HPT allocated with CMA, 0 otherwise */ 266 int cma; 267 }; 268 269 struct kvm_resize_hpt; 270 271 /* Flag values for kvm_arch.secure_guest */ 272 #define KVMPPC_SECURE_INIT_START 0x1 /* H_SVM_INIT_START has been called */ 273 #define KVMPPC_SECURE_INIT_DONE 0x2 /* H_SVM_INIT_DONE completed */ 274 #define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */ 275 276 struct kvm_arch { 277 unsigned int lpid; 278 unsigned int smt_mode; /* # vcpus per virtual core */ 279 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ 280 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 281 unsigned int tlb_sets; 282 struct kvm_hpt_info hpt; 283 atomic64_t mmio_update; 284 unsigned int host_lpid; 285 unsigned long host_lpcr; 286 unsigned long sdr1; 287 unsigned long host_sdr1; 288 unsigned long lpcr; 289 unsigned long vrma_slb_v; 290 int mmu_ready; 291 atomic_t vcpus_running; 292 u32 online_vcores; 293 atomic_t hpte_mod_interest; 294 cpumask_t need_tlb_flush; 295 cpumask_t cpu_in_guest; 296 u8 radix; 297 u8 fwnmi_enabled; 298 u8 secure_guest; 299 u8 svm_enabled; 300 bool nested_enable; 301 bool dawr1_enabled; 302 pgd_t *pgtable; 303 u64 process_table; 304 struct dentry *debugfs_dir; 305 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 306 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 307 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 308 struct mutex hpt_mutex; 309 #endif 310 #ifdef CONFIG_PPC_BOOK3S_64 311 struct list_head spapr_tce_tables; 312 struct list_head rtas_tokens; 313 struct mutex rtas_token_lock; 314 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 315 #endif 316 #ifdef CONFIG_KVM_MPIC 317 struct openpic *mpic; 318 #endif 319 #ifdef CONFIG_KVM_XICS 320 struct kvmppc_xics *xics; 321 struct kvmppc_xics *xics_device; 322 struct kvmppc_xive *xive; /* Current XIVE device in use */ 323 struct { 324 struct kvmppc_xive *native; 325 struct kvmppc_xive *xics_on_xive; 326 } xive_devices; 327 struct kvmppc_passthru_irqmap *pimap; 328 #endif 329 struct kvmppc_ops *kvm_ops; 330 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 331 struct mutex uvmem_lock; 332 struct list_head uvmem_pfns; 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 (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 405 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 406 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 407 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 408 }; 409 410 struct kvmppc_slb { 411 u64 esid; 412 u64 vsid; 413 u64 orige; 414 u64 origv; 415 bool valid : 1; 416 bool Ks : 1; 417 bool Kp : 1; 418 bool nx : 1; 419 bool large : 1; /* PTEs are 16MB */ 420 bool tb : 1; /* 1TB segment */ 421 bool class : 1; 422 u8 base_page_size; /* MMU_PAGE_xxx */ 423 }; 424 425 /* Struct used to accumulate timing information in HV real mode code */ 426 struct kvmhv_tb_accumulator { 427 u64 seqcount; /* used to synchronize access, also count * 2 */ 428 u64 tb_total; /* total time in timebase ticks */ 429 u64 tb_min; /* min time */ 430 u64 tb_max; /* max time */ 431 }; 432 433 #ifdef CONFIG_PPC_BOOK3S_64 434 struct kvmppc_irq_map { 435 u32 r_hwirq; 436 u32 v_hwirq; 437 struct irq_desc *desc; 438 }; 439 440 #define KVMPPC_PIRQ_MAPPED 1024 441 struct kvmppc_passthru_irqmap { 442 int n_mapped; 443 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 444 }; 445 #endif 446 447 # ifdef CONFIG_PPC_FSL_BOOK3E 448 #define KVMPPC_BOOKE_IAC_NUM 2 449 #define KVMPPC_BOOKE_DAC_NUM 2 450 # else 451 #define KVMPPC_BOOKE_IAC_NUM 4 452 #define KVMPPC_BOOKE_DAC_NUM 2 453 # endif 454 #define KVMPPC_BOOKE_MAX_IAC 4 455 #define KVMPPC_BOOKE_MAX_DAC 2 456 457 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 458 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 459 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 460 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 461 462 #define KVMPPC_IRQ_DEFAULT 0 463 #define KVMPPC_IRQ_MPIC 1 464 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 465 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ 466 467 #define MMIO_HPTE_CACHE_SIZE 4 468 469 struct mmio_hpte_cache_entry { 470 unsigned long hpte_v; 471 unsigned long hpte_r; 472 unsigned long rpte; 473 unsigned long pte_index; 474 unsigned long eaddr; 475 unsigned long slb_v; 476 long mmio_update; 477 unsigned int slb_base_pshift; 478 }; 479 480 struct mmio_hpte_cache { 481 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 482 unsigned int index; 483 }; 484 485 #define KVMPPC_VSX_COPY_NONE 0 486 #define KVMPPC_VSX_COPY_WORD 1 487 #define KVMPPC_VSX_COPY_DWORD 2 488 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 489 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 490 491 #define KVMPPC_VMX_COPY_BYTE 8 492 #define KVMPPC_VMX_COPY_HWORD 9 493 #define KVMPPC_VMX_COPY_WORD 10 494 #define KVMPPC_VMX_COPY_DWORD 11 495 496 struct openpic; 497 498 /* W0 and W1 of a XIVE thread management context */ 499 union xive_tma_w01 { 500 struct { 501 u8 nsr; 502 u8 cppr; 503 u8 ipb; 504 u8 lsmfb; 505 u8 ack; 506 u8 inc; 507 u8 age; 508 u8 pipr; 509 }; 510 __be64 w01; 511 }; 512 513 struct kvm_vcpu_arch { 514 ulong host_stack; 515 u32 host_pid; 516 #ifdef CONFIG_PPC_BOOK3S 517 struct kvmppc_slb slb[64]; 518 int slb_max; /* 1 + index of last valid entry in slb[] */ 519 int slb_nr; /* total number of entries in SLB */ 520 struct kvmppc_mmu mmu; 521 struct kvmppc_vcpu_book3s *book3s; 522 #endif 523 #ifdef CONFIG_PPC_BOOK3S_32 524 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 525 #endif 526 527 struct pt_regs regs; 528 529 struct thread_fp_state fp; 530 531 #ifdef CONFIG_SPE 532 ulong evr[32]; 533 ulong spefscr; 534 ulong host_spefscr; 535 u64 acc; 536 #endif 537 #ifdef CONFIG_ALTIVEC 538 struct thread_vr_state vr; 539 #endif 540 541 #ifdef CONFIG_KVM_BOOKE_HV 542 u32 host_mas4; 543 u32 host_mas6; 544 u32 shadow_epcr; 545 u32 shadow_msrp; 546 u32 eplc; 547 u32 epsc; 548 u32 oldpir; 549 #endif 550 551 #if defined(CONFIG_BOOKE) 552 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 553 u32 epcr; 554 #endif 555 #endif 556 557 #ifdef CONFIG_PPC_BOOK3S 558 /* For Gekko paired singles */ 559 u32 qpr[32]; 560 #endif 561 562 #ifdef CONFIG_PPC_BOOK3S 563 ulong tar; 564 #endif 565 566 #ifdef CONFIG_PPC_BOOK3S 567 ulong hflags; 568 ulong guest_owned_ext; 569 ulong purr; 570 ulong spurr; 571 ulong ic; 572 ulong dscr; 573 ulong amr; 574 ulong uamor; 575 ulong iamr; 576 u32 ctrl; 577 u32 dabrx; 578 ulong dabr; 579 ulong dawr0; 580 ulong dawrx0; 581 ulong dawr1; 582 ulong dawrx1; 583 ulong ciabr; 584 ulong cfar; 585 ulong ppr; 586 u32 pspb; 587 ulong fscr; 588 ulong shadow_fscr; 589 ulong ebbhr; 590 ulong ebbrr; 591 ulong bescr; 592 ulong csigr; 593 ulong tacr; 594 ulong tcscr; 595 ulong acop; 596 ulong wort; 597 ulong tid; 598 ulong psscr; 599 ulong hfscr; 600 ulong shadow_srr1; 601 #endif 602 u32 vrsave; /* also USPRG0 */ 603 u32 mmucr; 604 /* shadow_msr is unused for BookE HV */ 605 ulong shadow_msr; 606 ulong csrr0; 607 ulong csrr1; 608 ulong dsrr0; 609 ulong dsrr1; 610 ulong mcsrr0; 611 ulong mcsrr1; 612 ulong mcsr; 613 ulong dec; 614 #ifdef CONFIG_BOOKE 615 u32 decar; 616 #endif 617 /* Time base value when we entered the guest */ 618 u64 entry_tb; 619 u64 entry_vtb; 620 u64 entry_ic; 621 u32 tcr; 622 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 623 u32 ivor[64]; 624 ulong ivpr; 625 u32 pvr; 626 627 u32 shadow_pid; 628 u32 shadow_pid1; 629 u32 pid; 630 u32 swap_pid; 631 632 u32 ccr0; 633 u32 ccr1; 634 u32 dbsr; 635 636 u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */ 637 u64 mmcra; 638 u64 mmcrs; 639 u32 pmc[8]; 640 u32 spmc[2]; 641 u64 siar; 642 u64 sdar; 643 u64 sier[3]; 644 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 645 u64 tfhar; 646 u64 texasr; 647 u64 tfiar; 648 u64 orig_texasr; 649 650 u32 cr_tm; 651 u64 xer_tm; 652 u64 lr_tm; 653 u64 ctr_tm; 654 u64 amr_tm; 655 u64 ppr_tm; 656 u64 dscr_tm; 657 u64 tar_tm; 658 659 ulong gpr_tm[32]; 660 661 struct thread_fp_state fp_tm; 662 663 struct thread_vr_state vr_tm; 664 u32 vrsave_tm; /* also USPRG0 */ 665 #endif 666 667 #ifdef CONFIG_KVM_EXIT_TIMING 668 struct mutex exit_timing_lock; 669 struct kvmppc_exit_timing timing_exit; 670 struct kvmppc_exit_timing timing_last_enter; 671 u32 last_exit_type; 672 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 673 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 674 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 675 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 676 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 677 u64 timing_last_exit; 678 struct dentry *debugfs_exit_timing; 679 #endif 680 681 #ifdef CONFIG_PPC_BOOK3S 682 ulong fault_dar; 683 u32 fault_dsisr; 684 unsigned long intr_msr; 685 /* 686 * POWER9 and later: fault_gpa contains the guest real address of page 687 * fault for a radix guest, or segment descriptor (equivalent to result 688 * from slbmfev of SLB entry that translated the EA) for hash guests. 689 */ 690 ulong fault_gpa; 691 #endif 692 693 #ifdef CONFIG_BOOKE 694 ulong fault_dear; 695 ulong fault_esr; 696 ulong queued_dear; 697 ulong queued_esr; 698 spinlock_t wdt_lock; 699 struct timer_list wdt_timer; 700 u32 tlbcfg[4]; 701 u32 tlbps[4]; 702 u32 mmucfg; 703 u32 eptcfg; 704 u32 epr; 705 u64 sprg9; 706 u32 pwrmgtcr0; 707 u32 crit_save; 708 /* guest debug registers*/ 709 struct debug_reg dbg_reg; 710 #endif 711 gpa_t paddr_accessed; 712 gva_t vaddr_accessed; 713 pgd_t *pgdir; 714 715 u16 io_gpr; /* GPR used as IO source/target */ 716 u8 mmio_host_swabbed; 717 u8 mmio_sign_extend; 718 /* conversion between single and double precision */ 719 u8 mmio_sp64_extend; 720 /* 721 * Number of simulations for vsx. 722 * If we use 2*8bytes to simulate 1*16bytes, 723 * then the number should be 2 and 724 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. 725 * If we use 4*4bytes to simulate 1*16bytes, 726 * the number should be 4 and 727 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 728 */ 729 u8 mmio_vsx_copy_nums; 730 u8 mmio_vsx_offset; 731 u8 mmio_vmx_copy_nums; 732 u8 mmio_vmx_offset; 733 u8 mmio_copy_type; 734 u8 osi_needed; 735 u8 osi_enabled; 736 u8 papr_enabled; 737 u8 watchdog_enabled; 738 u8 sane; 739 u8 cpu_type; 740 u8 hcall_needed; 741 u8 epr_flags; /* KVMPPC_EPR_xxx */ 742 u8 epr_needed; 743 u8 external_oneshot; /* clear external irq after delivery */ 744 745 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 746 747 struct hrtimer dec_timer; 748 u64 dec_jiffies; 749 u64 dec_expires; 750 unsigned long pending_exceptions; 751 u8 ceded; 752 u8 prodded; 753 u8 doorbell_request; 754 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 755 u32 last_inst; 756 757 struct rcuwait *waitp; 758 struct kvmppc_vcore *vcore; 759 int ret; 760 int trap; 761 int state; 762 int ptid; 763 int thread_cpu; 764 int prev_cpu; 765 bool timer_running; 766 wait_queue_head_t cpu_run; 767 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 768 769 struct kvm_vcpu_arch_shared *shared; 770 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 771 bool shared_big_endian; 772 #endif 773 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 774 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 775 bool disable_kernel_nx; 776 777 int irq_type; /* one of KVM_IRQ_* */ 778 int irq_cpu_id; 779 struct openpic *mpic; /* KVM_IRQ_MPIC */ 780 #ifdef CONFIG_KVM_XICS 781 struct kvmppc_icp *icp; /* XICS presentation controller */ 782 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 783 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 784 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 785 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 786 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 787 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 788 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 789 #endif 790 791 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 792 struct kvm_vcpu_arch_shared shregs; 793 794 struct mmio_hpte_cache mmio_cache; 795 unsigned long pgfault_addr; 796 long pgfault_index; 797 unsigned long pgfault_hpte[2]; 798 struct mmio_hpte_cache_entry *pgfault_cache; 799 800 struct task_struct *run_task; 801 802 spinlock_t vpa_update_lock; 803 struct kvmppc_vpa vpa; 804 struct kvmppc_vpa dtl; 805 struct dtl_entry *dtl_ptr; 806 unsigned long dtl_index; 807 u64 stolen_logged; 808 struct kvmppc_vpa slb_shadow; 809 810 spinlock_t tbacct_lock; 811 u64 busy_stolen; 812 u64 busy_preempt; 813 814 u32 emul_inst; 815 816 u32 online; 817 818 /* For support of nested guests */ 819 struct kvm_nested_guest *nested; 820 u32 nested_vcpu_id; 821 gpa_t nested_io_gpr; 822 #endif 823 824 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 825 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 826 u64 cur_tb_start; /* when it started */ 827 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 828 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 829 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 830 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 831 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 832 833 struct dentry *debugfs_dir; 834 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 835 }; 836 837 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 838 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 839 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 840 841 /* Values for vcpu->arch.state */ 842 #define KVMPPC_VCPU_NOTREADY 0 843 #define KVMPPC_VCPU_RUNNABLE 1 844 #define KVMPPC_VCPU_BUSY_IN_HOST 2 845 846 /* Values for vcpu->arch.io_gpr */ 847 #define KVM_MMIO_REG_MASK 0x003f 848 #define KVM_MMIO_REG_EXT_MASK 0xffc0 849 #define KVM_MMIO_REG_GPR 0x0000 850 #define KVM_MMIO_REG_FPR 0x0040 851 #define KVM_MMIO_REG_QPR 0x0080 852 #define KVM_MMIO_REG_FQPR 0x00c0 853 #define KVM_MMIO_REG_VSX 0x0100 854 #define KVM_MMIO_REG_VMX 0x0180 855 #define KVM_MMIO_REG_NESTED_GPR 0xffc0 856 857 858 #define __KVM_HAVE_ARCH_WQP 859 #define __KVM_HAVE_CREATE_DEVICE 860 861 static inline void kvm_arch_hardware_disable(void) {} 862 static inline void kvm_arch_hardware_unsetup(void) {} 863 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 864 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} 865 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 866 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 867 static inline void kvm_arch_exit(void) {} 868 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 869 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 870 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 871 872 #endif /* __POWERPC_KVM_HOST_H__ */ 873