1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License, version 2, as 4 * published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope that it will be useful, 7 * but WITHOUT ANY WARRANTY; without even the implied warranty of 8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9 * GNU General Public License for more details. 10 * 11 * You should have received a copy of the GNU General Public License 12 * along with this program; if not, write to the Free Software 13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 14 * 15 * Copyright IBM Corp. 2007 16 * 17 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 18 */ 19 20 #ifndef __POWERPC_KVM_HOST_H__ 21 #define __POWERPC_KVM_HOST_H__ 22 23 #include <linux/mutex.h> 24 #include <linux/hrtimer.h> 25 #include <linux/interrupt.h> 26 #include <linux/types.h> 27 #include <linux/kvm_types.h> 28 #include <linux/threads.h> 29 #include <linux/spinlock.h> 30 #include <linux/kvm_para.h> 31 #include <linux/list.h> 32 #include <linux/atomic.h> 33 #include <asm/kvm_asm.h> 34 #include <asm/processor.h> 35 #include <asm/page.h> 36 #include <asm/cacheflush.h> 37 #include <asm/hvcall.h> 38 #include <asm/mce.h> 39 40 #define KVM_MAX_VCPUS NR_CPUS 41 #define KVM_MAX_VCORES NR_CPUS 42 #define KVM_USER_MEM_SLOTS 512 43 44 #include <asm/cputhreads.h> 45 #define KVM_MAX_VCPU_ID (threads_per_subcore * KVM_MAX_VCORES) 46 47 #define __KVM_HAVE_ARCH_INTC_INITIALIZED 48 49 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 50 51 /* These values are internal and can be increased later */ 52 #define KVM_NR_IRQCHIPS 1 53 #define KVM_IRQCHIP_NUM_PINS 256 54 55 /* PPC-specific vcpu->requests bit members */ 56 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0) 57 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1) 58 59 #include <linux/mmu_notifier.h> 60 61 #define KVM_ARCH_WANT_MMU_NOTIFIER 62 63 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 64 extern int kvm_unmap_hva_range(struct kvm *kvm, 65 unsigned long start, unsigned long end); 66 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 67 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 68 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 69 70 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 71 unsigned long address) 72 { 73 } 74 75 #define HPTEG_CACHE_NUM (1 << 15) 76 #define HPTEG_HASH_BITS_PTE 13 77 #define HPTEG_HASH_BITS_PTE_LONG 12 78 #define HPTEG_HASH_BITS_VPTE 13 79 #define HPTEG_HASH_BITS_VPTE_LONG 5 80 #define HPTEG_HASH_BITS_VPTE_64K 11 81 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 82 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 83 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 84 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 85 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 86 87 /* Physical Address Mask - allowed range of real mode RAM access */ 88 #define KVM_PAM 0x0fffffffffffffffULL 89 90 struct lppaca; 91 struct slb_shadow; 92 struct dtl_entry; 93 94 struct kvmppc_vcpu_book3s; 95 struct kvmppc_book3s_shadow_vcpu; 96 97 struct kvm_vm_stat { 98 ulong remote_tlb_flush; 99 }; 100 101 struct kvm_vcpu_stat { 102 u64 sum_exits; 103 u64 mmio_exits; 104 u64 signal_exits; 105 u64 light_exits; 106 /* Account for special types of light exits: */ 107 u64 itlb_real_miss_exits; 108 u64 itlb_virt_miss_exits; 109 u64 dtlb_real_miss_exits; 110 u64 dtlb_virt_miss_exits; 111 u64 syscall_exits; 112 u64 isi_exits; 113 u64 dsi_exits; 114 u64 emulated_inst_exits; 115 u64 dec_exits; 116 u64 ext_intr_exits; 117 u64 halt_poll_success_ns; 118 u64 halt_poll_fail_ns; 119 u64 halt_wait_ns; 120 u64 halt_successful_poll; 121 u64 halt_attempted_poll; 122 u64 halt_successful_wait; 123 u64 halt_poll_invalid; 124 u64 halt_wakeup; 125 u64 dbell_exits; 126 u64 gdbell_exits; 127 u64 ld; 128 u64 st; 129 #ifdef CONFIG_PPC_BOOK3S 130 u64 pf_storage; 131 u64 pf_instruc; 132 u64 sp_storage; 133 u64 sp_instruc; 134 u64 queue_intr; 135 u64 ld_slow; 136 u64 st_slow; 137 #endif 138 u64 pthru_all; 139 u64 pthru_host; 140 u64 pthru_bad_aff; 141 }; 142 143 enum kvm_exit_types { 144 MMIO_EXITS, 145 SIGNAL_EXITS, 146 ITLB_REAL_MISS_EXITS, 147 ITLB_VIRT_MISS_EXITS, 148 DTLB_REAL_MISS_EXITS, 149 DTLB_VIRT_MISS_EXITS, 150 SYSCALL_EXITS, 151 ISI_EXITS, 152 DSI_EXITS, 153 EMULATED_INST_EXITS, 154 EMULATED_MTMSRWE_EXITS, 155 EMULATED_WRTEE_EXITS, 156 EMULATED_MTSPR_EXITS, 157 EMULATED_MFSPR_EXITS, 158 EMULATED_MTMSR_EXITS, 159 EMULATED_MFMSR_EXITS, 160 EMULATED_TLBSX_EXITS, 161 EMULATED_TLBWE_EXITS, 162 EMULATED_RFI_EXITS, 163 EMULATED_RFCI_EXITS, 164 EMULATED_RFDI_EXITS, 165 DEC_EXITS, 166 EXT_INTR_EXITS, 167 HALT_WAKEUP, 168 USR_PR_INST, 169 FP_UNAVAIL, 170 DEBUG_EXITS, 171 TIMEINGUEST, 172 DBELL_EXITS, 173 GDBELL_EXITS, 174 __NUMBER_OF_KVM_EXIT_TYPES 175 }; 176 177 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 178 struct kvmppc_exit_timing { 179 union { 180 u64 tv64; 181 struct { 182 u32 tbu, tbl; 183 } tv32; 184 }; 185 }; 186 187 struct kvmppc_pginfo { 188 unsigned long pfn; 189 atomic_t refcnt; 190 }; 191 192 struct kvmppc_spapr_tce_iommu_table { 193 struct rcu_head rcu; 194 struct list_head next; 195 struct iommu_table *tbl; 196 struct kref kref; 197 }; 198 199 struct kvmppc_spapr_tce_table { 200 struct list_head list; 201 struct kvm *kvm; 202 u64 liobn; 203 struct rcu_head rcu; 204 u32 page_shift; 205 u64 offset; /* in pages */ 206 u64 size; /* window size in pages */ 207 struct list_head iommu_tables; 208 struct page *pages[0]; 209 }; 210 211 /* XICS components, defined in book3s_xics.c */ 212 struct kvmppc_xics; 213 struct kvmppc_icp; 214 extern struct kvm_device_ops kvm_xics_ops; 215 216 /* XIVE components, defined in book3s_xive.c */ 217 struct kvmppc_xive; 218 struct kvmppc_xive_vcpu; 219 extern struct kvm_device_ops kvm_xive_ops; 220 221 struct kvmppc_passthru_irqmap; 222 223 /* 224 * The reverse mapping array has one entry for each HPTE, 225 * which stores the guest's view of the second word of the HPTE 226 * (including the guest physical address of the mapping), 227 * plus forward and backward pointers in a doubly-linked ring 228 * of HPTEs that map the same host page. The pointers in this 229 * ring are 32-bit HPTE indexes, to save space. 230 */ 231 struct revmap_entry { 232 unsigned long guest_rpte; 233 unsigned int forw, back; 234 }; 235 236 /* 237 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 238 * and bit 32 as a present flag. The bottom 32 bits are the 239 * index in the guest HPT of a HPTE that points to the page. 240 */ 241 #define KVMPPC_RMAP_LOCK_BIT 63 242 #define KVMPPC_RMAP_RC_SHIFT 32 243 #define KVMPPC_RMAP_CHG_SHIFT 48 244 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 245 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 246 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 247 #define KVMPPC_RMAP_PRESENT 0x100000000ul 248 #define KVMPPC_RMAP_INDEX 0xfffffffful 249 250 struct kvm_arch_memory_slot { 251 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 252 unsigned long *rmap; 253 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 254 }; 255 256 struct kvm_hpt_info { 257 /* Host virtual (linear mapping) address of guest HPT */ 258 unsigned long virt; 259 /* Array of reverse mapping entries for each guest HPTE */ 260 struct revmap_entry *rev; 261 /* Guest HPT size is 2**(order) bytes */ 262 u32 order; 263 /* 1 if HPT allocated with CMA, 0 otherwise */ 264 int cma; 265 }; 266 267 struct kvm_resize_hpt; 268 269 struct kvm_arch { 270 unsigned int lpid; 271 unsigned int smt_mode; /* # vcpus per virtual core */ 272 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ 273 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 274 unsigned int tlb_sets; 275 struct kvm_hpt_info hpt; 276 atomic64_t mmio_update; 277 unsigned int host_lpid; 278 unsigned long host_lpcr; 279 unsigned long sdr1; 280 unsigned long host_sdr1; 281 int tlbie_lock; 282 unsigned long lpcr; 283 unsigned long vrma_slb_v; 284 int hpte_setup_done; 285 atomic_t vcpus_running; 286 u32 online_vcores; 287 atomic_t hpte_mod_interest; 288 cpumask_t need_tlb_flush; 289 cpumask_t cpu_in_guest; 290 u8 radix; 291 u8 fwnmi_enabled; 292 pgd_t *pgtable; 293 u64 process_table; 294 struct dentry *debugfs_dir; 295 struct dentry *htab_dentry; 296 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 297 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 298 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 299 struct mutex hpt_mutex; 300 #endif 301 #ifdef CONFIG_PPC_BOOK3S_64 302 struct list_head spapr_tce_tables; 303 struct list_head rtas_tokens; 304 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 305 #endif 306 #ifdef CONFIG_KVM_MPIC 307 struct openpic *mpic; 308 #endif 309 #ifdef CONFIG_KVM_XICS 310 struct kvmppc_xics *xics; 311 struct kvmppc_xive *xive; 312 struct kvmppc_passthru_irqmap *pimap; 313 #endif 314 struct kvmppc_ops *kvm_ops; 315 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 316 /* This array can grow quite large, keep it at the end */ 317 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 318 #endif 319 }; 320 321 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 322 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 323 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 324 325 /* This bit is used when a vcore exit is triggered from outside the vcore */ 326 #define VCORE_EXIT_REQ 0x10000 327 328 /* 329 * Values for vcore_state. 330 * Note that these are arranged such that lower values 331 * (< VCORE_SLEEPING) don't require stolen time accounting 332 * on load/unload, and higher values do. 333 */ 334 #define VCORE_INACTIVE 0 335 #define VCORE_PREEMPT 1 336 #define VCORE_PIGGYBACK 2 337 #define VCORE_SLEEPING 3 338 #define VCORE_RUNNING 4 339 #define VCORE_EXITING 5 340 #define VCORE_POLLING 6 341 342 /* 343 * Struct used to manage memory for a virtual processor area 344 * registered by a PAPR guest. There are three types of area 345 * that a guest can register. 346 */ 347 struct kvmppc_vpa { 348 unsigned long gpa; /* Current guest phys addr */ 349 void *pinned_addr; /* Address in kernel linear mapping */ 350 void *pinned_end; /* End of region */ 351 unsigned long next_gpa; /* Guest phys addr for update */ 352 unsigned long len; /* Number of bytes required */ 353 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 354 bool dirty; /* true => area has been modified by kernel */ 355 }; 356 357 struct kvmppc_pte { 358 ulong eaddr; 359 u64 vpage; 360 ulong raddr; 361 bool may_read : 1; 362 bool may_write : 1; 363 bool may_execute : 1; 364 unsigned long wimg; 365 u8 page_size; /* MMU_PAGE_xxx */ 366 }; 367 368 struct kvmppc_mmu { 369 /* book3s_64 only */ 370 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 371 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 372 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 373 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 374 void (*slbia)(struct kvm_vcpu *vcpu); 375 /* book3s */ 376 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 377 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 378 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 379 struct kvmppc_pte *pte, bool data, bool iswrite); 380 void (*reset_msr)(struct kvm_vcpu *vcpu); 381 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 382 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 383 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 384 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 385 }; 386 387 struct kvmppc_slb { 388 u64 esid; 389 u64 vsid; 390 u64 orige; 391 u64 origv; 392 bool valid : 1; 393 bool Ks : 1; 394 bool Kp : 1; 395 bool nx : 1; 396 bool large : 1; /* PTEs are 16MB */ 397 bool tb : 1; /* 1TB segment */ 398 bool class : 1; 399 u8 base_page_size; /* MMU_PAGE_xxx */ 400 }; 401 402 /* Struct used to accumulate timing information in HV real mode code */ 403 struct kvmhv_tb_accumulator { 404 u64 seqcount; /* used to synchronize access, also count * 2 */ 405 u64 tb_total; /* total time in timebase ticks */ 406 u64 tb_min; /* min time */ 407 u64 tb_max; /* max time */ 408 }; 409 410 #ifdef CONFIG_PPC_BOOK3S_64 411 struct kvmppc_irq_map { 412 u32 r_hwirq; 413 u32 v_hwirq; 414 struct irq_desc *desc; 415 }; 416 417 #define KVMPPC_PIRQ_MAPPED 1024 418 struct kvmppc_passthru_irqmap { 419 int n_mapped; 420 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 421 }; 422 #endif 423 424 # ifdef CONFIG_PPC_FSL_BOOK3E 425 #define KVMPPC_BOOKE_IAC_NUM 2 426 #define KVMPPC_BOOKE_DAC_NUM 2 427 # else 428 #define KVMPPC_BOOKE_IAC_NUM 4 429 #define KVMPPC_BOOKE_DAC_NUM 2 430 # endif 431 #define KVMPPC_BOOKE_MAX_IAC 4 432 #define KVMPPC_BOOKE_MAX_DAC 2 433 434 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 435 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 436 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 437 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 438 439 #define KVMPPC_IRQ_DEFAULT 0 440 #define KVMPPC_IRQ_MPIC 1 441 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 442 443 #define MMIO_HPTE_CACHE_SIZE 4 444 445 struct mmio_hpte_cache_entry { 446 unsigned long hpte_v; 447 unsigned long hpte_r; 448 unsigned long rpte; 449 unsigned long pte_index; 450 unsigned long eaddr; 451 unsigned long slb_v; 452 long mmio_update; 453 unsigned int slb_base_pshift; 454 }; 455 456 struct mmio_hpte_cache { 457 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 458 unsigned int index; 459 }; 460 461 #define KVMPPC_VSX_COPY_NONE 0 462 #define KVMPPC_VSX_COPY_WORD 1 463 #define KVMPPC_VSX_COPY_DWORD 2 464 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 465 466 struct openpic; 467 468 /* W0 and W1 of a XIVE thread management context */ 469 union xive_tma_w01 { 470 struct { 471 u8 nsr; 472 u8 cppr; 473 u8 ipb; 474 u8 lsmfb; 475 u8 ack; 476 u8 inc; 477 u8 age; 478 u8 pipr; 479 }; 480 __be64 w01; 481 }; 482 483 struct kvm_vcpu_arch { 484 ulong host_stack; 485 u32 host_pid; 486 #ifdef CONFIG_PPC_BOOK3S 487 struct kvmppc_slb slb[64]; 488 int slb_max; /* 1 + index of last valid entry in slb[] */ 489 int slb_nr; /* total number of entries in SLB */ 490 struct kvmppc_mmu mmu; 491 struct kvmppc_vcpu_book3s *book3s; 492 #endif 493 #ifdef CONFIG_PPC_BOOK3S_32 494 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 495 #endif 496 497 ulong gpr[32]; 498 499 struct thread_fp_state fp; 500 501 #ifdef CONFIG_SPE 502 ulong evr[32]; 503 ulong spefscr; 504 ulong host_spefscr; 505 u64 acc; 506 #endif 507 #ifdef CONFIG_ALTIVEC 508 struct thread_vr_state vr; 509 #endif 510 511 #ifdef CONFIG_KVM_BOOKE_HV 512 u32 host_mas4; 513 u32 host_mas6; 514 u32 shadow_epcr; 515 u32 shadow_msrp; 516 u32 eplc; 517 u32 epsc; 518 u32 oldpir; 519 #endif 520 521 #if defined(CONFIG_BOOKE) 522 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 523 u32 epcr; 524 #endif 525 #endif 526 527 #ifdef CONFIG_PPC_BOOK3S 528 /* For Gekko paired singles */ 529 u32 qpr[32]; 530 #endif 531 532 ulong pc; 533 ulong ctr; 534 ulong lr; 535 #ifdef CONFIG_PPC_BOOK3S 536 ulong tar; 537 #endif 538 539 ulong xer; 540 u32 cr; 541 542 #ifdef CONFIG_PPC_BOOK3S 543 ulong hflags; 544 ulong guest_owned_ext; 545 ulong purr; 546 ulong spurr; 547 ulong ic; 548 ulong dscr; 549 ulong amr; 550 ulong uamor; 551 ulong iamr; 552 u32 ctrl; 553 u32 dabrx; 554 ulong dabr; 555 ulong dawr; 556 ulong dawrx; 557 ulong ciabr; 558 ulong cfar; 559 ulong ppr; 560 u32 pspb; 561 ulong fscr; 562 ulong shadow_fscr; 563 ulong ebbhr; 564 ulong ebbrr; 565 ulong bescr; 566 ulong csigr; 567 ulong tacr; 568 ulong tcscr; 569 ulong acop; 570 ulong wort; 571 ulong tid; 572 ulong psscr; 573 ulong hfscr; 574 ulong shadow_srr1; 575 #endif 576 u32 vrsave; /* also USPRG0 */ 577 u32 mmucr; 578 /* shadow_msr is unused for BookE HV */ 579 ulong shadow_msr; 580 ulong csrr0; 581 ulong csrr1; 582 ulong dsrr0; 583 ulong dsrr1; 584 ulong mcsrr0; 585 ulong mcsrr1; 586 ulong mcsr; 587 ulong dec; 588 #ifdef CONFIG_BOOKE 589 u32 decar; 590 #endif 591 /* Time base value when we entered the guest */ 592 u64 entry_tb; 593 u64 entry_vtb; 594 u64 entry_ic; 595 u32 tcr; 596 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 597 u32 ivor[64]; 598 ulong ivpr; 599 u32 pvr; 600 601 u32 shadow_pid; 602 u32 shadow_pid1; 603 u32 pid; 604 u32 swap_pid; 605 606 u32 ccr0; 607 u32 ccr1; 608 u32 dbsr; 609 610 u64 mmcr[5]; 611 u32 pmc[8]; 612 u32 spmc[2]; 613 u64 siar; 614 u64 sdar; 615 u64 sier; 616 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 617 u64 tfhar; 618 u64 texasr; 619 u64 tfiar; 620 621 u32 cr_tm; 622 u64 xer_tm; 623 u64 lr_tm; 624 u64 ctr_tm; 625 u64 amr_tm; 626 u64 ppr_tm; 627 u64 dscr_tm; 628 u64 tar_tm; 629 630 ulong gpr_tm[32]; 631 632 struct thread_fp_state fp_tm; 633 634 struct thread_vr_state vr_tm; 635 u32 vrsave_tm; /* also USPRG0 */ 636 637 #endif 638 639 #ifdef CONFIG_KVM_EXIT_TIMING 640 struct mutex exit_timing_lock; 641 struct kvmppc_exit_timing timing_exit; 642 struct kvmppc_exit_timing timing_last_enter; 643 u32 last_exit_type; 644 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 645 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 646 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 647 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 648 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 649 u64 timing_last_exit; 650 struct dentry *debugfs_exit_timing; 651 #endif 652 653 #ifdef CONFIG_PPC_BOOK3S 654 ulong fault_dar; 655 u32 fault_dsisr; 656 unsigned long intr_msr; 657 ulong fault_gpa; /* guest real address of page fault (POWER9) */ 658 #endif 659 660 #ifdef CONFIG_BOOKE 661 ulong fault_dear; 662 ulong fault_esr; 663 ulong queued_dear; 664 ulong queued_esr; 665 spinlock_t wdt_lock; 666 struct timer_list wdt_timer; 667 u32 tlbcfg[4]; 668 u32 tlbps[4]; 669 u32 mmucfg; 670 u32 eptcfg; 671 u32 epr; 672 u64 sprg9; 673 u32 pwrmgtcr0; 674 u32 crit_save; 675 /* guest debug registers*/ 676 struct debug_reg dbg_reg; 677 #endif 678 gpa_t paddr_accessed; 679 gva_t vaddr_accessed; 680 pgd_t *pgdir; 681 682 u8 io_gpr; /* GPR used as IO source/target */ 683 u8 mmio_host_swabbed; 684 u8 mmio_sign_extend; 685 /* conversion between single and double precision */ 686 u8 mmio_sp64_extend; 687 /* 688 * Number of simulations for vsx. 689 * If we use 2*8bytes to simulate 1*16bytes, 690 * then the number should be 2 and 691 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_DWORD. 692 * If we use 4*4bytes to simulate 1*16bytes, 693 * the number should be 4 and 694 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 695 */ 696 u8 mmio_vsx_copy_nums; 697 u8 mmio_vsx_offset; 698 u8 mmio_vsx_copy_type; 699 u8 mmio_vsx_tx_sx_enabled; 700 u8 osi_needed; 701 u8 osi_enabled; 702 u8 papr_enabled; 703 u8 watchdog_enabled; 704 u8 sane; 705 u8 cpu_type; 706 u8 hcall_needed; 707 u8 epr_flags; /* KVMPPC_EPR_xxx */ 708 u8 epr_needed; 709 710 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 711 712 struct hrtimer dec_timer; 713 u64 dec_jiffies; 714 u64 dec_expires; 715 unsigned long pending_exceptions; 716 u8 ceded; 717 u8 prodded; 718 u8 doorbell_request; 719 u32 last_inst; 720 721 struct swait_queue_head *wqp; 722 struct kvmppc_vcore *vcore; 723 int ret; 724 int trap; 725 int state; 726 int ptid; 727 int thread_cpu; 728 int prev_cpu; 729 bool timer_running; 730 wait_queue_head_t cpu_run; 731 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 732 733 struct kvm_vcpu_arch_shared *shared; 734 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 735 bool shared_big_endian; 736 #endif 737 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 738 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 739 bool disable_kernel_nx; 740 741 int irq_type; /* one of KVM_IRQ_* */ 742 int irq_cpu_id; 743 struct openpic *mpic; /* KVM_IRQ_MPIC */ 744 #ifdef CONFIG_KVM_XICS 745 struct kvmppc_icp *icp; /* XICS presentation controller */ 746 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 747 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 748 u32 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 749 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 750 #endif 751 752 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 753 struct kvm_vcpu_arch_shared shregs; 754 755 struct mmio_hpte_cache mmio_cache; 756 unsigned long pgfault_addr; 757 long pgfault_index; 758 unsigned long pgfault_hpte[2]; 759 struct mmio_hpte_cache_entry *pgfault_cache; 760 761 struct task_struct *run_task; 762 struct kvm_run *kvm_run; 763 764 spinlock_t vpa_update_lock; 765 struct kvmppc_vpa vpa; 766 struct kvmppc_vpa dtl; 767 struct dtl_entry *dtl_ptr; 768 unsigned long dtl_index; 769 u64 stolen_logged; 770 struct kvmppc_vpa slb_shadow; 771 772 spinlock_t tbacct_lock; 773 u64 busy_stolen; 774 u64 busy_preempt; 775 776 u32 emul_inst; 777 #endif 778 779 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 780 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 781 u64 cur_tb_start; /* when it started */ 782 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 783 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 784 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 785 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 786 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 787 788 struct dentry *debugfs_dir; 789 struct dentry *debugfs_timings; 790 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 791 }; 792 793 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 794 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 795 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 796 797 /* Values for vcpu->arch.state */ 798 #define KVMPPC_VCPU_NOTREADY 0 799 #define KVMPPC_VCPU_RUNNABLE 1 800 #define KVMPPC_VCPU_BUSY_IN_HOST 2 801 802 /* Values for vcpu->arch.io_gpr */ 803 #define KVM_MMIO_REG_MASK 0x001f 804 #define KVM_MMIO_REG_EXT_MASK 0xffe0 805 #define KVM_MMIO_REG_GPR 0x0000 806 #define KVM_MMIO_REG_FPR 0x0020 807 #define KVM_MMIO_REG_QPR 0x0040 808 #define KVM_MMIO_REG_FQPR 0x0060 809 #define KVM_MMIO_REG_VSX 0x0080 810 811 #define __KVM_HAVE_ARCH_WQP 812 #define __KVM_HAVE_CREATE_DEVICE 813 814 static inline void kvm_arch_hardware_disable(void) {} 815 static inline void kvm_arch_hardware_unsetup(void) {} 816 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 817 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 818 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 819 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 820 static inline void kvm_arch_exit(void) {} 821 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 822 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 823 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 824 825 #endif /* __POWERPC_KVM_HOST_H__ */ 826