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 #define HPTEG_CACHE_NUM (1 << 15) 71 #define HPTEG_HASH_BITS_PTE 13 72 #define HPTEG_HASH_BITS_PTE_LONG 12 73 #define HPTEG_HASH_BITS_VPTE 13 74 #define HPTEG_HASH_BITS_VPTE_LONG 5 75 #define HPTEG_HASH_BITS_VPTE_64K 11 76 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 77 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 78 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 79 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 80 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 81 82 /* Physical Address Mask - allowed range of real mode RAM access */ 83 #define KVM_PAM 0x0fffffffffffffffULL 84 85 struct lppaca; 86 struct slb_shadow; 87 struct dtl_entry; 88 89 struct kvmppc_vcpu_book3s; 90 struct kvmppc_book3s_shadow_vcpu; 91 92 struct kvm_vm_stat { 93 ulong remote_tlb_flush; 94 }; 95 96 struct kvm_vcpu_stat { 97 u64 sum_exits; 98 u64 mmio_exits; 99 u64 signal_exits; 100 u64 light_exits; 101 /* Account for special types of light exits: */ 102 u64 itlb_real_miss_exits; 103 u64 itlb_virt_miss_exits; 104 u64 dtlb_real_miss_exits; 105 u64 dtlb_virt_miss_exits; 106 u64 syscall_exits; 107 u64 isi_exits; 108 u64 dsi_exits; 109 u64 emulated_inst_exits; 110 u64 dec_exits; 111 u64 ext_intr_exits; 112 u64 halt_poll_success_ns; 113 u64 halt_poll_fail_ns; 114 u64 halt_wait_ns; 115 u64 halt_successful_poll; 116 u64 halt_attempted_poll; 117 u64 halt_successful_wait; 118 u64 halt_poll_invalid; 119 u64 halt_wakeup; 120 u64 dbell_exits; 121 u64 gdbell_exits; 122 u64 ld; 123 u64 st; 124 #ifdef CONFIG_PPC_BOOK3S 125 u64 pf_storage; 126 u64 pf_instruc; 127 u64 sp_storage; 128 u64 sp_instruc; 129 u64 queue_intr; 130 u64 ld_slow; 131 u64 st_slow; 132 #endif 133 u64 pthru_all; 134 u64 pthru_host; 135 u64 pthru_bad_aff; 136 }; 137 138 enum kvm_exit_types { 139 MMIO_EXITS, 140 SIGNAL_EXITS, 141 ITLB_REAL_MISS_EXITS, 142 ITLB_VIRT_MISS_EXITS, 143 DTLB_REAL_MISS_EXITS, 144 DTLB_VIRT_MISS_EXITS, 145 SYSCALL_EXITS, 146 ISI_EXITS, 147 DSI_EXITS, 148 EMULATED_INST_EXITS, 149 EMULATED_MTMSRWE_EXITS, 150 EMULATED_WRTEE_EXITS, 151 EMULATED_MTSPR_EXITS, 152 EMULATED_MFSPR_EXITS, 153 EMULATED_MTMSR_EXITS, 154 EMULATED_MFMSR_EXITS, 155 EMULATED_TLBSX_EXITS, 156 EMULATED_TLBWE_EXITS, 157 EMULATED_RFI_EXITS, 158 EMULATED_RFCI_EXITS, 159 EMULATED_RFDI_EXITS, 160 DEC_EXITS, 161 EXT_INTR_EXITS, 162 HALT_WAKEUP, 163 USR_PR_INST, 164 FP_UNAVAIL, 165 DEBUG_EXITS, 166 TIMEINGUEST, 167 DBELL_EXITS, 168 GDBELL_EXITS, 169 __NUMBER_OF_KVM_EXIT_TYPES 170 }; 171 172 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 173 struct kvmppc_exit_timing { 174 union { 175 u64 tv64; 176 struct { 177 u32 tbu, tbl; 178 } tv32; 179 }; 180 }; 181 182 struct kvmppc_pginfo { 183 unsigned long pfn; 184 atomic_t refcnt; 185 }; 186 187 struct kvmppc_spapr_tce_iommu_table { 188 struct rcu_head rcu; 189 struct list_head next; 190 struct iommu_table *tbl; 191 struct kref kref; 192 }; 193 194 struct kvmppc_spapr_tce_table { 195 struct list_head list; 196 struct kvm *kvm; 197 u64 liobn; 198 struct rcu_head rcu; 199 u32 page_shift; 200 u64 offset; /* in pages */ 201 u64 size; /* window size in pages */ 202 struct list_head iommu_tables; 203 struct page *pages[0]; 204 }; 205 206 /* XICS components, defined in book3s_xics.c */ 207 struct kvmppc_xics; 208 struct kvmppc_icp; 209 extern struct kvm_device_ops kvm_xics_ops; 210 211 /* XIVE components, defined in book3s_xive.c */ 212 struct kvmppc_xive; 213 struct kvmppc_xive_vcpu; 214 extern struct kvm_device_ops kvm_xive_ops; 215 216 struct kvmppc_passthru_irqmap; 217 218 /* 219 * The reverse mapping array has one entry for each HPTE, 220 * which stores the guest's view of the second word of the HPTE 221 * (including the guest physical address of the mapping), 222 * plus forward and backward pointers in a doubly-linked ring 223 * of HPTEs that map the same host page. The pointers in this 224 * ring are 32-bit HPTE indexes, to save space. 225 */ 226 struct revmap_entry { 227 unsigned long guest_rpte; 228 unsigned int forw, back; 229 }; 230 231 /* 232 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 233 * and bit 32 as a present flag. The bottom 32 bits are the 234 * index in the guest HPT of a HPTE that points to the page. 235 */ 236 #define KVMPPC_RMAP_LOCK_BIT 63 237 #define KVMPPC_RMAP_RC_SHIFT 32 238 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 239 #define KVMPPC_RMAP_PRESENT 0x100000000ul 240 #define KVMPPC_RMAP_INDEX 0xfffffffful 241 242 struct kvm_arch_memory_slot { 243 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 244 unsigned long *rmap; 245 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 246 }; 247 248 struct kvm_hpt_info { 249 /* Host virtual (linear mapping) address of guest HPT */ 250 unsigned long virt; 251 /* Array of reverse mapping entries for each guest HPTE */ 252 struct revmap_entry *rev; 253 /* Guest HPT size is 2**(order) bytes */ 254 u32 order; 255 /* 1 if HPT allocated with CMA, 0 otherwise */ 256 int cma; 257 }; 258 259 struct kvm_resize_hpt; 260 261 struct kvm_arch { 262 unsigned int lpid; 263 unsigned int smt_mode; /* # vcpus per virtual core */ 264 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ 265 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 266 unsigned int tlb_sets; 267 struct kvm_hpt_info hpt; 268 atomic64_t mmio_update; 269 unsigned int host_lpid; 270 unsigned long host_lpcr; 271 unsigned long sdr1; 272 unsigned long host_sdr1; 273 int tlbie_lock; 274 unsigned long lpcr; 275 unsigned long vrma_slb_v; 276 int mmu_ready; 277 atomic_t vcpus_running; 278 u32 online_vcores; 279 atomic_t hpte_mod_interest; 280 cpumask_t need_tlb_flush; 281 cpumask_t cpu_in_guest; 282 u8 radix; 283 u8 fwnmi_enabled; 284 bool threads_indep; 285 pgd_t *pgtable; 286 u64 process_table; 287 struct dentry *debugfs_dir; 288 struct dentry *htab_dentry; 289 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 290 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 291 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 292 struct mutex hpt_mutex; 293 #endif 294 #ifdef CONFIG_PPC_BOOK3S_64 295 struct list_head spapr_tce_tables; 296 struct list_head rtas_tokens; 297 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 298 #endif 299 #ifdef CONFIG_KVM_MPIC 300 struct openpic *mpic; 301 #endif 302 #ifdef CONFIG_KVM_XICS 303 struct kvmppc_xics *xics; 304 struct kvmppc_xive *xive; 305 struct kvmppc_passthru_irqmap *pimap; 306 #endif 307 struct kvmppc_ops *kvm_ops; 308 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 309 /* This array can grow quite large, keep it at the end */ 310 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 311 #endif 312 }; 313 314 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 315 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 316 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 317 318 /* This bit is used when a vcore exit is triggered from outside the vcore */ 319 #define VCORE_EXIT_REQ 0x10000 320 321 /* 322 * Values for vcore_state. 323 * Note that these are arranged such that lower values 324 * (< VCORE_SLEEPING) don't require stolen time accounting 325 * on load/unload, and higher values do. 326 */ 327 #define VCORE_INACTIVE 0 328 #define VCORE_PREEMPT 1 329 #define VCORE_PIGGYBACK 2 330 #define VCORE_SLEEPING 3 331 #define VCORE_RUNNING 4 332 #define VCORE_EXITING 5 333 #define VCORE_POLLING 6 334 335 /* 336 * Struct used to manage memory for a virtual processor area 337 * registered by a PAPR guest. There are three types of area 338 * that a guest can register. 339 */ 340 struct kvmppc_vpa { 341 unsigned long gpa; /* Current guest phys addr */ 342 void *pinned_addr; /* Address in kernel linear mapping */ 343 void *pinned_end; /* End of region */ 344 unsigned long next_gpa; /* Guest phys addr for update */ 345 unsigned long len; /* Number of bytes required */ 346 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 347 bool dirty; /* true => area has been modified by kernel */ 348 }; 349 350 struct kvmppc_pte { 351 ulong eaddr; 352 u64 vpage; 353 ulong raddr; 354 bool may_read : 1; 355 bool may_write : 1; 356 bool may_execute : 1; 357 unsigned long wimg; 358 u8 page_size; /* MMU_PAGE_xxx */ 359 }; 360 361 struct kvmppc_mmu { 362 /* book3s_64 only */ 363 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 364 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 365 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 366 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 367 void (*slbia)(struct kvm_vcpu *vcpu); 368 /* book3s */ 369 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 370 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 371 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 372 struct kvmppc_pte *pte, bool data, bool iswrite); 373 void (*reset_msr)(struct kvm_vcpu *vcpu); 374 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 375 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 376 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 377 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 378 }; 379 380 struct kvmppc_slb { 381 u64 esid; 382 u64 vsid; 383 u64 orige; 384 u64 origv; 385 bool valid : 1; 386 bool Ks : 1; 387 bool Kp : 1; 388 bool nx : 1; 389 bool large : 1; /* PTEs are 16MB */ 390 bool tb : 1; /* 1TB segment */ 391 bool class : 1; 392 u8 base_page_size; /* MMU_PAGE_xxx */ 393 }; 394 395 /* Struct used to accumulate timing information in HV real mode code */ 396 struct kvmhv_tb_accumulator { 397 u64 seqcount; /* used to synchronize access, also count * 2 */ 398 u64 tb_total; /* total time in timebase ticks */ 399 u64 tb_min; /* min time */ 400 u64 tb_max; /* max time */ 401 }; 402 403 #ifdef CONFIG_PPC_BOOK3S_64 404 struct kvmppc_irq_map { 405 u32 r_hwirq; 406 u32 v_hwirq; 407 struct irq_desc *desc; 408 }; 409 410 #define KVMPPC_PIRQ_MAPPED 1024 411 struct kvmppc_passthru_irqmap { 412 int n_mapped; 413 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 414 }; 415 #endif 416 417 # ifdef CONFIG_PPC_FSL_BOOK3E 418 #define KVMPPC_BOOKE_IAC_NUM 2 419 #define KVMPPC_BOOKE_DAC_NUM 2 420 # else 421 #define KVMPPC_BOOKE_IAC_NUM 4 422 #define KVMPPC_BOOKE_DAC_NUM 2 423 # endif 424 #define KVMPPC_BOOKE_MAX_IAC 4 425 #define KVMPPC_BOOKE_MAX_DAC 2 426 427 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 428 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 429 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 430 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 431 432 #define KVMPPC_IRQ_DEFAULT 0 433 #define KVMPPC_IRQ_MPIC 1 434 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 435 436 #define MMIO_HPTE_CACHE_SIZE 4 437 438 struct mmio_hpte_cache_entry { 439 unsigned long hpte_v; 440 unsigned long hpte_r; 441 unsigned long rpte; 442 unsigned long pte_index; 443 unsigned long eaddr; 444 unsigned long slb_v; 445 long mmio_update; 446 unsigned int slb_base_pshift; 447 }; 448 449 struct mmio_hpte_cache { 450 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 451 unsigned int index; 452 }; 453 454 #define KVMPPC_VSX_COPY_NONE 0 455 #define KVMPPC_VSX_COPY_WORD 1 456 #define KVMPPC_VSX_COPY_DWORD 2 457 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 458 459 struct openpic; 460 461 /* W0 and W1 of a XIVE thread management context */ 462 union xive_tma_w01 { 463 struct { 464 u8 nsr; 465 u8 cppr; 466 u8 ipb; 467 u8 lsmfb; 468 u8 ack; 469 u8 inc; 470 u8 age; 471 u8 pipr; 472 }; 473 __be64 w01; 474 }; 475 476 struct kvm_vcpu_arch { 477 ulong host_stack; 478 u32 host_pid; 479 #ifdef CONFIG_PPC_BOOK3S 480 struct kvmppc_slb slb[64]; 481 int slb_max; /* 1 + index of last valid entry in slb[] */ 482 int slb_nr; /* total number of entries in SLB */ 483 struct kvmppc_mmu mmu; 484 struct kvmppc_vcpu_book3s *book3s; 485 #endif 486 #ifdef CONFIG_PPC_BOOK3S_32 487 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 488 #endif 489 490 ulong gpr[32]; 491 492 struct thread_fp_state fp; 493 494 #ifdef CONFIG_SPE 495 ulong evr[32]; 496 ulong spefscr; 497 ulong host_spefscr; 498 u64 acc; 499 #endif 500 #ifdef CONFIG_ALTIVEC 501 struct thread_vr_state vr; 502 #endif 503 504 #ifdef CONFIG_KVM_BOOKE_HV 505 u32 host_mas4; 506 u32 host_mas6; 507 u32 shadow_epcr; 508 u32 shadow_msrp; 509 u32 eplc; 510 u32 epsc; 511 u32 oldpir; 512 #endif 513 514 #if defined(CONFIG_BOOKE) 515 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 516 u32 epcr; 517 #endif 518 #endif 519 520 #ifdef CONFIG_PPC_BOOK3S 521 /* For Gekko paired singles */ 522 u32 qpr[32]; 523 #endif 524 525 ulong pc; 526 ulong ctr; 527 ulong lr; 528 #ifdef CONFIG_PPC_BOOK3S 529 ulong tar; 530 #endif 531 532 ulong xer; 533 u32 cr; 534 535 #ifdef CONFIG_PPC_BOOK3S 536 ulong hflags; 537 ulong guest_owned_ext; 538 ulong purr; 539 ulong spurr; 540 ulong ic; 541 ulong dscr; 542 ulong amr; 543 ulong uamor; 544 ulong iamr; 545 u32 ctrl; 546 u32 dabrx; 547 ulong dabr; 548 ulong dawr; 549 ulong dawrx; 550 ulong ciabr; 551 ulong cfar; 552 ulong ppr; 553 u32 pspb; 554 ulong fscr; 555 ulong shadow_fscr; 556 ulong ebbhr; 557 ulong ebbrr; 558 ulong bescr; 559 ulong csigr; 560 ulong tacr; 561 ulong tcscr; 562 ulong acop; 563 ulong wort; 564 ulong tid; 565 ulong psscr; 566 ulong hfscr; 567 ulong shadow_srr1; 568 #endif 569 u32 vrsave; /* also USPRG0 */ 570 u32 mmucr; 571 /* shadow_msr is unused for BookE HV */ 572 ulong shadow_msr; 573 ulong csrr0; 574 ulong csrr1; 575 ulong dsrr0; 576 ulong dsrr1; 577 ulong mcsrr0; 578 ulong mcsrr1; 579 ulong mcsr; 580 ulong dec; 581 #ifdef CONFIG_BOOKE 582 u32 decar; 583 #endif 584 /* Time base value when we entered the guest */ 585 u64 entry_tb; 586 u64 entry_vtb; 587 u64 entry_ic; 588 u32 tcr; 589 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 590 u32 ivor[64]; 591 ulong ivpr; 592 u32 pvr; 593 594 u32 shadow_pid; 595 u32 shadow_pid1; 596 u32 pid; 597 u32 swap_pid; 598 599 u32 ccr0; 600 u32 ccr1; 601 u32 dbsr; 602 603 u64 mmcr[5]; 604 u32 pmc[8]; 605 u32 spmc[2]; 606 u64 siar; 607 u64 sdar; 608 u64 sier; 609 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 610 u64 tfhar; 611 u64 texasr; 612 u64 tfiar; 613 614 u32 cr_tm; 615 u64 xer_tm; 616 u64 lr_tm; 617 u64 ctr_tm; 618 u64 amr_tm; 619 u64 ppr_tm; 620 u64 dscr_tm; 621 u64 tar_tm; 622 623 ulong gpr_tm[32]; 624 625 struct thread_fp_state fp_tm; 626 627 struct thread_vr_state vr_tm; 628 u32 vrsave_tm; /* also USPRG0 */ 629 630 #endif 631 632 #ifdef CONFIG_KVM_EXIT_TIMING 633 struct mutex exit_timing_lock; 634 struct kvmppc_exit_timing timing_exit; 635 struct kvmppc_exit_timing timing_last_enter; 636 u32 last_exit_type; 637 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 638 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 639 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 640 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 641 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 642 u64 timing_last_exit; 643 struct dentry *debugfs_exit_timing; 644 #endif 645 646 #ifdef CONFIG_PPC_BOOK3S 647 ulong fault_dar; 648 u32 fault_dsisr; 649 unsigned long intr_msr; 650 ulong fault_gpa; /* guest real address of page fault (POWER9) */ 651 #endif 652 653 #ifdef CONFIG_BOOKE 654 ulong fault_dear; 655 ulong fault_esr; 656 ulong queued_dear; 657 ulong queued_esr; 658 spinlock_t wdt_lock; 659 struct timer_list wdt_timer; 660 u32 tlbcfg[4]; 661 u32 tlbps[4]; 662 u32 mmucfg; 663 u32 eptcfg; 664 u32 epr; 665 u64 sprg9; 666 u32 pwrmgtcr0; 667 u32 crit_save; 668 /* guest debug registers*/ 669 struct debug_reg dbg_reg; 670 #endif 671 gpa_t paddr_accessed; 672 gva_t vaddr_accessed; 673 pgd_t *pgdir; 674 675 u8 io_gpr; /* GPR used as IO source/target */ 676 u8 mmio_host_swabbed; 677 u8 mmio_sign_extend; 678 /* conversion between single and double precision */ 679 u8 mmio_sp64_extend; 680 /* 681 * Number of simulations for vsx. 682 * If we use 2*8bytes to simulate 1*16bytes, 683 * then the number should be 2 and 684 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_DWORD. 685 * If we use 4*4bytes to simulate 1*16bytes, 686 * the number should be 4 and 687 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 688 */ 689 u8 mmio_vsx_copy_nums; 690 u8 mmio_vsx_offset; 691 u8 mmio_vsx_copy_type; 692 u8 mmio_vsx_tx_sx_enabled; 693 u8 mmio_vmx_copy_nums; 694 u8 osi_needed; 695 u8 osi_enabled; 696 u8 papr_enabled; 697 u8 watchdog_enabled; 698 u8 sane; 699 u8 cpu_type; 700 u8 hcall_needed; 701 u8 epr_flags; /* KVMPPC_EPR_xxx */ 702 u8 epr_needed; 703 704 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 705 706 struct hrtimer dec_timer; 707 u64 dec_jiffies; 708 u64 dec_expires; 709 unsigned long pending_exceptions; 710 u8 ceded; 711 u8 prodded; 712 u8 doorbell_request; 713 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 714 u32 last_inst; 715 716 struct swait_queue_head *wqp; 717 struct kvmppc_vcore *vcore; 718 int ret; 719 int trap; 720 int state; 721 int ptid; 722 int thread_cpu; 723 int prev_cpu; 724 bool timer_running; 725 wait_queue_head_t cpu_run; 726 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 727 728 struct kvm_vcpu_arch_shared *shared; 729 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 730 bool shared_big_endian; 731 #endif 732 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 733 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 734 bool disable_kernel_nx; 735 736 int irq_type; /* one of KVM_IRQ_* */ 737 int irq_cpu_id; 738 struct openpic *mpic; /* KVM_IRQ_MPIC */ 739 #ifdef CONFIG_KVM_XICS 740 struct kvmppc_icp *icp; /* XICS presentation controller */ 741 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 742 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 743 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 744 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 745 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 746 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 747 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 748 #endif 749 750 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 751 struct kvm_vcpu_arch_shared shregs; 752 753 struct mmio_hpte_cache mmio_cache; 754 unsigned long pgfault_addr; 755 long pgfault_index; 756 unsigned long pgfault_hpte[2]; 757 struct mmio_hpte_cache_entry *pgfault_cache; 758 759 struct task_struct *run_task; 760 struct kvm_run *kvm_run; 761 762 spinlock_t vpa_update_lock; 763 struct kvmppc_vpa vpa; 764 struct kvmppc_vpa dtl; 765 struct dtl_entry *dtl_ptr; 766 unsigned long dtl_index; 767 u64 stolen_logged; 768 struct kvmppc_vpa slb_shadow; 769 770 spinlock_t tbacct_lock; 771 u64 busy_stolen; 772 u64 busy_preempt; 773 774 u32 emul_inst; 775 #endif 776 777 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 778 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 779 u64 cur_tb_start; /* when it started */ 780 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 781 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 782 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 783 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 784 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 785 786 struct dentry *debugfs_dir; 787 struct dentry *debugfs_timings; 788 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 789 }; 790 791 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 792 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 793 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 794 795 /* Values for vcpu->arch.state */ 796 #define KVMPPC_VCPU_NOTREADY 0 797 #define KVMPPC_VCPU_RUNNABLE 1 798 #define KVMPPC_VCPU_BUSY_IN_HOST 2 799 800 /* Values for vcpu->arch.io_gpr */ 801 #define KVM_MMIO_REG_MASK 0x001f 802 #define KVM_MMIO_REG_EXT_MASK 0xffe0 803 #define KVM_MMIO_REG_GPR 0x0000 804 #define KVM_MMIO_REG_FPR 0x0020 805 #define KVM_MMIO_REG_QPR 0x0040 806 #define KVM_MMIO_REG_FQPR 0x0060 807 #define KVM_MMIO_REG_VSX 0x0080 808 #define KVM_MMIO_REG_VMX 0x00c0 809 810 #define __KVM_HAVE_ARCH_WQP 811 #define __KVM_HAVE_CREATE_DEVICE 812 813 static inline void kvm_arch_hardware_disable(void) {} 814 static inline void kvm_arch_hardware_unsetup(void) {} 815 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 816 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 817 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 818 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 819 static inline void kvm_arch_exit(void) {} 820 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 821 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 822 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 823 824 #endif /* __POWERPC_KVM_HOST_H__ */ 825