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_HAVE_ARCH_VCPU_DEBUGFS 30 31 #define KVM_MAX_VCPUS NR_CPUS 32 #define KVM_MAX_VCORES NR_CPUS 33 34 #include <asm/cputhreads.h> 35 36 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 37 #include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */ 38 #define KVM_MAX_VCPU_IDS (MAX_SMT_THREADS * KVM_MAX_VCORES) 39 40 /* 41 * Limit the nested partition table to 4096 entries (because that's what 42 * hardware supports). Both guest and host use this value. 43 */ 44 #define KVM_MAX_NESTED_GUESTS_SHIFT 12 45 46 #else 47 #define KVM_MAX_VCPU_IDS KVM_MAX_VCPUS 48 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 49 50 #define __KVM_HAVE_ARCH_INTC_INITIALIZED 51 52 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 53 54 /* These values are internal and can be increased later */ 55 #define KVM_NR_IRQCHIPS 1 56 #define KVM_IRQCHIP_NUM_PINS 256 57 58 /* PPC-specific vcpu->requests bit members */ 59 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0) 60 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1) 61 #define KVM_REQ_PENDING_TIMER KVM_ARCH_REQ(2) 62 63 #include <linux/mmu_notifier.h> 64 65 #define KVM_ARCH_WANT_MMU_NOTIFIER 66 67 #define HPTEG_CACHE_NUM (1 << 15) 68 #define HPTEG_HASH_BITS_PTE 13 69 #define HPTEG_HASH_BITS_PTE_LONG 12 70 #define HPTEG_HASH_BITS_VPTE 13 71 #define HPTEG_HASH_BITS_VPTE_LONG 5 72 #define HPTEG_HASH_BITS_VPTE_64K 11 73 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 74 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 75 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 76 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 77 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 78 79 /* Physical Address Mask - allowed range of real mode RAM access */ 80 #define KVM_PAM 0x0fffffffffffffffULL 81 82 struct lppaca; 83 struct slb_shadow; 84 struct dtl_entry; 85 86 struct kvmppc_vcpu_book3s; 87 struct kvmppc_book3s_shadow_vcpu; 88 struct kvm_nested_guest; 89 90 struct kvm_vm_stat { 91 struct kvm_vm_stat_generic generic; 92 u64 num_2M_pages; 93 u64 num_1G_pages; 94 }; 95 96 struct kvm_vcpu_stat { 97 struct kvm_vcpu_stat_generic generic; 98 u64 sum_exits; 99 u64 mmio_exits; 100 u64 signal_exits; 101 u64 light_exits; 102 /* Account for special types of light exits: */ 103 u64 itlb_real_miss_exits; 104 u64 itlb_virt_miss_exits; 105 u64 dtlb_real_miss_exits; 106 u64 dtlb_virt_miss_exits; 107 u64 syscall_exits; 108 u64 isi_exits; 109 u64 dsi_exits; 110 u64 emulated_inst_exits; 111 u64 dec_exits; 112 u64 ext_intr_exits; 113 u64 halt_successful_wait; 114 u64 dbell_exits; 115 u64 gdbell_exits; 116 u64 ld; 117 u64 st; 118 #ifdef CONFIG_PPC_BOOK3S 119 u64 pf_storage; 120 u64 pf_instruc; 121 u64 sp_storage; 122 u64 sp_instruc; 123 u64 queue_intr; 124 u64 ld_slow; 125 u64 st_slow; 126 #endif 127 u64 pthru_all; 128 u64 pthru_host; 129 u64 pthru_bad_aff; 130 }; 131 132 enum kvm_exit_types { 133 MMIO_EXITS, 134 SIGNAL_EXITS, 135 ITLB_REAL_MISS_EXITS, 136 ITLB_VIRT_MISS_EXITS, 137 DTLB_REAL_MISS_EXITS, 138 DTLB_VIRT_MISS_EXITS, 139 SYSCALL_EXITS, 140 ISI_EXITS, 141 DSI_EXITS, 142 EMULATED_INST_EXITS, 143 EMULATED_MTMSRWE_EXITS, 144 EMULATED_WRTEE_EXITS, 145 EMULATED_MTSPR_EXITS, 146 EMULATED_MFSPR_EXITS, 147 EMULATED_MTMSR_EXITS, 148 EMULATED_MFMSR_EXITS, 149 EMULATED_TLBSX_EXITS, 150 EMULATED_TLBWE_EXITS, 151 EMULATED_RFI_EXITS, 152 EMULATED_RFCI_EXITS, 153 EMULATED_RFDI_EXITS, 154 DEC_EXITS, 155 EXT_INTR_EXITS, 156 HALT_WAKEUP, 157 USR_PR_INST, 158 FP_UNAVAIL, 159 DEBUG_EXITS, 160 TIMEINGUEST, 161 DBELL_EXITS, 162 GDBELL_EXITS, 163 __NUMBER_OF_KVM_EXIT_TYPES 164 }; 165 166 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 167 struct kvmppc_exit_timing { 168 union { 169 u64 tv64; 170 struct { 171 u32 tbu, tbl; 172 } tv32; 173 }; 174 }; 175 176 struct kvmppc_pginfo { 177 unsigned long pfn; 178 atomic_t refcnt; 179 }; 180 181 struct kvmppc_spapr_tce_iommu_table { 182 struct rcu_head rcu; 183 struct list_head next; 184 struct iommu_table *tbl; 185 struct kref kref; 186 }; 187 188 #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) 189 190 struct kvmppc_spapr_tce_table { 191 struct list_head list; 192 struct kvm *kvm; 193 u64 liobn; 194 struct rcu_head rcu; 195 u32 page_shift; 196 u64 offset; /* in pages */ 197 u64 size; /* window size in pages */ 198 struct list_head iommu_tables; 199 struct mutex alloc_lock; 200 struct page *pages[]; 201 }; 202 203 /* XICS components, defined in book3s_xics.c */ 204 struct kvmppc_xics; 205 struct kvmppc_icp; 206 extern struct kvm_device_ops kvm_xics_ops; 207 208 /* XIVE components, defined in book3s_xive.c */ 209 struct kvmppc_xive; 210 struct kvmppc_xive_vcpu; 211 extern struct kvm_device_ops kvm_xive_ops; 212 extern struct kvm_device_ops kvm_xive_native_ops; 213 214 struct kvmppc_passthru_irqmap; 215 216 /* 217 * The reverse mapping array has one entry for each HPTE, 218 * which stores the guest's view of the second word of the HPTE 219 * (including the guest physical address of the mapping), 220 * plus forward and backward pointers in a doubly-linked ring 221 * of HPTEs that map the same host page. The pointers in this 222 * ring are 32-bit HPTE indexes, to save space. 223 */ 224 struct revmap_entry { 225 unsigned long guest_rpte; 226 unsigned int forw, back; 227 }; 228 229 /* 230 * The rmap array of size number of guest pages is allocated for each memslot. 231 * This array is used to store usage specific information about the guest page. 232 * Below are the encodings of the various possible usage types. 233 */ 234 /* Free bits which can be used to define a new usage */ 235 #define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000 236 #define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */ 237 #define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */ 238 239 /* 240 * rmap usage definition for a hash page table (hpt) guest: 241 * 0x0000080000000000 Lock bit 242 * 0x0000018000000000 RC bits 243 * 0x0000000100000000 Present bit 244 * 0x00000000ffffffff HPT index bits 245 * The bottom 32 bits are the index in the guest HPT of a HPTE that points to 246 * the page. 247 */ 248 #define KVMPPC_RMAP_LOCK_BIT 43 249 #define KVMPPC_RMAP_RC_SHIFT 32 250 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 251 #define KVMPPC_RMAP_PRESENT 0x100000000ul 252 #define KVMPPC_RMAP_INDEX 0xfffffffful 253 254 struct kvm_arch_memory_slot { 255 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 256 unsigned long *rmap; 257 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 258 }; 259 260 struct kvm_hpt_info { 261 /* Host virtual (linear mapping) address of guest HPT */ 262 unsigned long virt; 263 /* Array of reverse mapping entries for each guest HPTE */ 264 struct revmap_entry *rev; 265 /* Guest HPT size is 2**(order) bytes */ 266 u32 order; 267 /* 1 if HPT allocated with CMA, 0 otherwise */ 268 int cma; 269 }; 270 271 struct kvm_resize_hpt; 272 273 /* Flag values for kvm_arch.secure_guest */ 274 #define KVMPPC_SECURE_INIT_START 0x1 /* H_SVM_INIT_START has been called */ 275 #define KVMPPC_SECURE_INIT_DONE 0x2 /* H_SVM_INIT_DONE completed */ 276 #define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */ 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 u8 radix; 298 u8 fwnmi_enabled; 299 u8 secure_guest; 300 u8 svm_enabled; 301 bool nested_enable; 302 bool dawr1_enabled; 303 pgd_t *pgtable; 304 u64 process_table; 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 struct idr kvm_nested_guest_idr; 336 /* This array can grow quite large, keep it at the end */ 337 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 338 #endif 339 }; 340 341 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 342 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 343 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 344 345 /* This bit is used when a vcore exit is triggered from outside the vcore */ 346 #define VCORE_EXIT_REQ 0x10000 347 348 /* 349 * Values for vcore_state. 350 * Note that these are arranged such that lower values 351 * (< VCORE_SLEEPING) don't require stolen time accounting 352 * on load/unload, and higher values do. 353 */ 354 #define VCORE_INACTIVE 0 355 #define VCORE_PREEMPT 1 356 #define VCORE_PIGGYBACK 2 357 #define VCORE_SLEEPING 3 358 #define VCORE_RUNNING 4 359 #define VCORE_EXITING 5 360 #define VCORE_POLLING 6 361 362 /* 363 * Struct used to manage memory for a virtual processor area 364 * registered by a PAPR guest. There are three types of area 365 * that a guest can register. 366 */ 367 struct kvmppc_vpa { 368 unsigned long gpa; /* Current guest phys addr */ 369 void *pinned_addr; /* Address in kernel linear mapping */ 370 void *pinned_end; /* End of region */ 371 unsigned long next_gpa; /* Guest phys addr for update */ 372 unsigned long len; /* Number of bytes required */ 373 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 374 bool dirty; /* true => area has been modified by kernel */ 375 }; 376 377 struct kvmppc_pte { 378 ulong eaddr; 379 u64 vpage; 380 ulong raddr; 381 bool may_read : 1; 382 bool may_write : 1; 383 bool may_execute : 1; 384 unsigned long wimg; 385 unsigned long rc; 386 u8 page_size; /* MMU_PAGE_xxx */ 387 u8 page_shift; 388 }; 389 390 struct kvmppc_mmu { 391 /* book3s_64 only */ 392 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 393 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 394 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 395 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb); 396 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 397 void (*slbia)(struct kvm_vcpu *vcpu); 398 /* book3s */ 399 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 400 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 401 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 402 struct kvmppc_pte *pte, bool data, bool iswrite); 403 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 404 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 405 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 406 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 407 }; 408 409 struct kvmppc_slb { 410 u64 esid; 411 u64 vsid; 412 u64 orige; 413 u64 origv; 414 bool valid : 1; 415 bool Ks : 1; 416 bool Kp : 1; 417 bool nx : 1; 418 bool large : 1; /* PTEs are 16MB */ 419 bool tb : 1; /* 1TB segment */ 420 bool class : 1; 421 u8 base_page_size; /* MMU_PAGE_xxx */ 422 }; 423 424 /* Struct used to accumulate timing information in HV real mode code */ 425 struct kvmhv_tb_accumulator { 426 u64 seqcount; /* used to synchronize access, also count * 2 */ 427 u64 tb_total; /* total time in timebase ticks */ 428 u64 tb_min; /* min time */ 429 u64 tb_max; /* max time */ 430 }; 431 432 #ifdef CONFIG_PPC_BOOK3S_64 433 struct kvmppc_irq_map { 434 u32 r_hwirq; 435 u32 v_hwirq; 436 struct irq_desc *desc; 437 }; 438 439 #define KVMPPC_PIRQ_MAPPED 1024 440 struct kvmppc_passthru_irqmap { 441 int n_mapped; 442 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 443 }; 444 #endif 445 446 # ifdef CONFIG_PPC_E500 447 #define KVMPPC_BOOKE_IAC_NUM 2 448 #define KVMPPC_BOOKE_DAC_NUM 2 449 # else 450 #define KVMPPC_BOOKE_IAC_NUM 4 451 #define KVMPPC_BOOKE_DAC_NUM 2 452 # endif 453 #define KVMPPC_BOOKE_MAX_IAC 4 454 #define KVMPPC_BOOKE_MAX_DAC 2 455 456 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 457 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 458 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 459 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 460 461 #define KVMPPC_IRQ_DEFAULT 0 462 #define KVMPPC_IRQ_MPIC 1 463 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 464 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ 465 466 #define MMIO_HPTE_CACHE_SIZE 4 467 468 struct mmio_hpte_cache_entry { 469 unsigned long hpte_v; 470 unsigned long hpte_r; 471 unsigned long rpte; 472 unsigned long pte_index; 473 unsigned long eaddr; 474 unsigned long slb_v; 475 long mmio_update; 476 unsigned int slb_base_pshift; 477 }; 478 479 struct mmio_hpte_cache { 480 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 481 unsigned int index; 482 }; 483 484 #define KVMPPC_VSX_COPY_NONE 0 485 #define KVMPPC_VSX_COPY_WORD 1 486 #define KVMPPC_VSX_COPY_DWORD 2 487 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 488 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 489 490 #define KVMPPC_VMX_COPY_BYTE 8 491 #define KVMPPC_VMX_COPY_HWORD 9 492 #define KVMPPC_VMX_COPY_WORD 10 493 #define KVMPPC_VMX_COPY_DWORD 11 494 495 struct openpic; 496 497 /* W0 and W1 of a XIVE thread management context */ 498 union xive_tma_w01 { 499 struct { 500 u8 nsr; 501 u8 cppr; 502 u8 ipb; 503 u8 lsmfb; 504 u8 ack; 505 u8 inc; 506 u8 age; 507 u8 pipr; 508 }; 509 __be64 w01; 510 }; 511 512 struct kvm_vcpu_arch { 513 ulong host_stack; 514 u32 host_pid; 515 #ifdef CONFIG_PPC_BOOK3S 516 struct kvmppc_slb slb[64]; 517 int slb_max; /* 1 + index of last valid entry in slb[] */ 518 int slb_nr; /* total number of entries in SLB */ 519 struct kvmppc_mmu mmu; 520 struct kvmppc_vcpu_book3s *book3s; 521 #endif 522 #ifdef CONFIG_PPC_BOOK3S_32 523 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 524 #endif 525 526 /* 527 * This is passed along to the HV via H_ENTER_NESTED. Align to 528 * prevent it crossing a real 4K page. 529 */ 530 struct pt_regs regs __aligned(512); 531 532 struct thread_fp_state fp; 533 534 #ifdef CONFIG_SPE 535 ulong evr[32]; 536 ulong spefscr; 537 ulong host_spefscr; 538 u64 acc; 539 #endif 540 #ifdef CONFIG_ALTIVEC 541 struct thread_vr_state vr; 542 #endif 543 544 #ifdef CONFIG_KVM_BOOKE_HV 545 u32 host_mas4; 546 u32 host_mas6; 547 u32 shadow_epcr; 548 u32 shadow_msrp; 549 u32 eplc; 550 u32 epsc; 551 u32 oldpir; 552 #endif 553 554 #if defined(CONFIG_BOOKE) 555 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 556 u32 epcr; 557 #endif 558 #endif 559 560 #ifdef CONFIG_PPC_BOOK3S 561 /* For Gekko paired singles */ 562 u32 qpr[32]; 563 #endif 564 565 #ifdef CONFIG_PPC_BOOK3S 566 ulong tar; 567 #endif 568 569 #ifdef CONFIG_PPC_BOOK3S 570 ulong hflags; 571 ulong guest_owned_ext; 572 ulong purr; 573 ulong spurr; 574 ulong ic; 575 ulong dscr; 576 ulong amr; 577 ulong uamor; 578 ulong iamr; 579 u32 ctrl; 580 u32 dabrx; 581 ulong dabr; 582 ulong dawr0; 583 ulong dawrx0; 584 ulong dawr1; 585 ulong dawrx1; 586 ulong ciabr; 587 ulong cfar; 588 ulong ppr; 589 u32 pspb; 590 u8 load_ebb; 591 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 592 u8 load_tm; 593 #endif 594 ulong fscr; 595 ulong shadow_fscr; 596 ulong ebbhr; 597 ulong ebbrr; 598 ulong bescr; 599 ulong csigr; 600 ulong tacr; 601 ulong tcscr; 602 ulong acop; 603 ulong wort; 604 ulong tid; 605 ulong psscr; 606 ulong hfscr; 607 ulong shadow_srr1; 608 #endif 609 u32 vrsave; /* also USPRG0 */ 610 u32 mmucr; 611 /* shadow_msr is unused for BookE HV */ 612 ulong shadow_msr; 613 ulong csrr0; 614 ulong csrr1; 615 ulong dsrr0; 616 ulong dsrr1; 617 ulong mcsrr0; 618 ulong mcsrr1; 619 ulong mcsr; 620 ulong dec; 621 #ifdef CONFIG_BOOKE 622 u32 decar; 623 #endif 624 /* Time base value when we entered the guest */ 625 u64 entry_tb; 626 u64 entry_vtb; 627 u64 entry_ic; 628 u32 tcr; 629 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 630 u32 ivor[64]; 631 ulong ivpr; 632 u32 pvr; 633 634 u32 shadow_pid; 635 u32 shadow_pid1; 636 u32 pid; 637 u32 swap_pid; 638 639 u32 ccr0; 640 u32 ccr1; 641 u32 dbsr; 642 643 u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */ 644 u64 mmcra; 645 u64 mmcrs; 646 u32 pmc[8]; 647 u32 spmc[2]; 648 u64 siar; 649 u64 sdar; 650 u64 sier[3]; 651 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 652 u64 tfhar; 653 u64 texasr; 654 u64 tfiar; 655 u64 orig_texasr; 656 657 u32 cr_tm; 658 u64 xer_tm; 659 u64 lr_tm; 660 u64 ctr_tm; 661 u64 amr_tm; 662 u64 ppr_tm; 663 u64 dscr_tm; 664 u64 tar_tm; 665 666 ulong gpr_tm[32]; 667 668 struct thread_fp_state fp_tm; 669 670 struct thread_vr_state vr_tm; 671 u32 vrsave_tm; /* also USPRG0 */ 672 #endif 673 674 #ifdef CONFIG_KVM_EXIT_TIMING 675 struct mutex exit_timing_lock; 676 struct kvmppc_exit_timing timing_exit; 677 struct kvmppc_exit_timing timing_last_enter; 678 u32 last_exit_type; 679 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 680 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 681 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 682 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 683 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 684 u64 timing_last_exit; 685 #endif 686 687 #ifdef CONFIG_PPC_BOOK3S 688 ulong fault_dar; 689 u32 fault_dsisr; 690 unsigned long intr_msr; 691 /* 692 * POWER9 and later: fault_gpa contains the guest real address of page 693 * fault for a radix guest, or segment descriptor (equivalent to result 694 * from slbmfev of SLB entry that translated the EA) for hash guests. 695 */ 696 ulong fault_gpa; 697 #endif 698 699 #ifdef CONFIG_BOOKE 700 ulong fault_dear; 701 ulong fault_esr; 702 ulong queued_dear; 703 ulong queued_esr; 704 spinlock_t wdt_lock; 705 struct timer_list wdt_timer; 706 u32 tlbcfg[4]; 707 u32 tlbps[4]; 708 u32 mmucfg; 709 u32 eptcfg; 710 u32 epr; 711 u64 sprg9; 712 u32 pwrmgtcr0; 713 u32 crit_save; 714 /* guest debug registers*/ 715 struct debug_reg dbg_reg; 716 #endif 717 gpa_t paddr_accessed; 718 gva_t vaddr_accessed; 719 pgd_t *pgdir; 720 721 u16 io_gpr; /* GPR used as IO source/target */ 722 u8 mmio_host_swabbed; 723 u8 mmio_sign_extend; 724 /* conversion between single and double precision */ 725 u8 mmio_sp64_extend; 726 /* 727 * Number of simulations for vsx. 728 * If we use 2*8bytes to simulate 1*16bytes, 729 * then the number should be 2 and 730 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. 731 * If we use 4*4bytes to simulate 1*16bytes, 732 * the number should be 4 and 733 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 734 */ 735 u8 mmio_vsx_copy_nums; 736 u8 mmio_vsx_offset; 737 u8 mmio_vmx_copy_nums; 738 u8 mmio_vmx_offset; 739 u8 mmio_copy_type; 740 u8 osi_needed; 741 u8 osi_enabled; 742 u8 papr_enabled; 743 u8 watchdog_enabled; 744 u8 sane; 745 u8 cpu_type; 746 u8 hcall_needed; 747 u8 epr_flags; /* KVMPPC_EPR_xxx */ 748 u8 epr_needed; 749 u8 external_oneshot; /* clear external irq after delivery */ 750 751 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 752 753 struct hrtimer dec_timer; 754 u64 dec_jiffies; 755 u64 dec_expires; /* Relative to guest timebase. */ 756 unsigned long pending_exceptions; 757 u8 ceded; 758 u8 prodded; 759 u8 doorbell_request; 760 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 761 unsigned long last_inst; 762 763 struct rcuwait wait; 764 struct rcuwait *waitp; 765 struct kvmppc_vcore *vcore; 766 int ret; 767 int trap; 768 int state; 769 int ptid; 770 int thread_cpu; 771 int prev_cpu; 772 bool timer_running; 773 wait_queue_head_t cpu_run; 774 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 775 776 struct kvm_vcpu_arch_shared *shared; 777 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 778 bool shared_big_endian; 779 #endif 780 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 781 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 782 bool disable_kernel_nx; 783 784 int irq_type; /* one of KVM_IRQ_* */ 785 int irq_cpu_id; 786 struct openpic *mpic; /* KVM_IRQ_MPIC */ 787 #ifdef CONFIG_KVM_XICS 788 struct kvmppc_icp *icp; /* XICS presentation controller */ 789 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 790 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 791 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 792 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 793 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 794 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 795 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 796 #endif 797 798 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 799 struct kvm_vcpu_arch_shared shregs; 800 801 struct mmio_hpte_cache mmio_cache; 802 unsigned long pgfault_addr; 803 long pgfault_index; 804 unsigned long pgfault_hpte[2]; 805 struct mmio_hpte_cache_entry *pgfault_cache; 806 807 struct task_struct *run_task; 808 809 spinlock_t vpa_update_lock; 810 struct kvmppc_vpa vpa; 811 struct kvmppc_vpa dtl; 812 struct dtl_entry *dtl_ptr; 813 unsigned long dtl_index; 814 u64 stolen_logged; 815 struct kvmppc_vpa slb_shadow; 816 817 spinlock_t tbacct_lock; 818 u64 busy_stolen; 819 u64 busy_preempt; 820 821 u64 emul_inst; 822 823 u32 online; 824 825 u64 hfscr_permitted; /* A mask of permitted HFSCR facilities */ 826 827 /* For support of nested guests */ 828 struct kvm_nested_guest *nested; 829 u64 nested_hfscr; /* HFSCR that the L1 requested for the nested guest */ 830 u32 nested_vcpu_id; 831 gpa_t nested_io_gpr; 832 #endif 833 834 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 835 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 836 u64 cur_tb_start; /* when it started */ 837 #ifdef CONFIG_KVM_BOOK3S_HV_P9_TIMING 838 struct kvmhv_tb_accumulator vcpu_entry; 839 struct kvmhv_tb_accumulator vcpu_exit; 840 struct kvmhv_tb_accumulator in_guest; 841 struct kvmhv_tb_accumulator hcall; 842 struct kvmhv_tb_accumulator pg_fault; 843 struct kvmhv_tb_accumulator guest_entry; 844 struct kvmhv_tb_accumulator guest_exit; 845 #else 846 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 847 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 848 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 849 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 850 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 851 #endif 852 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 853 }; 854 855 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 856 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 857 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 858 859 /* Values for vcpu->arch.state */ 860 #define KVMPPC_VCPU_NOTREADY 0 861 #define KVMPPC_VCPU_RUNNABLE 1 862 #define KVMPPC_VCPU_BUSY_IN_HOST 2 863 864 /* Values for vcpu->arch.io_gpr */ 865 #define KVM_MMIO_REG_MASK 0x003f 866 #define KVM_MMIO_REG_EXT_MASK 0xffc0 867 #define KVM_MMIO_REG_GPR 0x0000 868 #define KVM_MMIO_REG_FPR 0x0040 869 #define KVM_MMIO_REG_QPR 0x0080 870 #define KVM_MMIO_REG_FQPR 0x00c0 871 #define KVM_MMIO_REG_VSX 0x0100 872 #define KVM_MMIO_REG_VMX 0x0180 873 #define KVM_MMIO_REG_NESTED_GPR 0xffc0 874 875 876 #define __KVM_HAVE_ARCH_WQP 877 #define __KVM_HAVE_CREATE_DEVICE 878 kvm_arch_sync_events(struct kvm * kvm)879 static inline void kvm_arch_sync_events(struct kvm *kvm) {} kvm_arch_memslots_updated(struct kvm * kvm,u64 gen)880 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} kvm_arch_flush_shadow_all(struct kvm * kvm)881 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} kvm_arch_sched_in(struct kvm_vcpu * vcpu,int cpu)882 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} kvm_arch_vcpu_blocking(struct kvm_vcpu * vcpu)883 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} kvm_arch_vcpu_unblocking(struct kvm_vcpu * vcpu)884 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 885 886 #endif /* __POWERPC_KVM_HOST_H__ */ 887