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 46 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 47 #include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */ 48 #define KVM_MAX_VCPU_ID (MAX_SMT_THREADS * KVM_MAX_VCORES) 49 50 #else 51 #define KVM_MAX_VCPU_ID KVM_MAX_VCPUS 52 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 53 54 #define __KVM_HAVE_ARCH_INTC_INITIALIZED 55 56 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 57 58 /* These values are internal and can be increased later */ 59 #define KVM_NR_IRQCHIPS 1 60 #define KVM_IRQCHIP_NUM_PINS 256 61 62 /* PPC-specific vcpu->requests bit members */ 63 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0) 64 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1) 65 66 #include <linux/mmu_notifier.h> 67 68 #define KVM_ARCH_WANT_MMU_NOTIFIER 69 70 extern int kvm_unmap_hva_range(struct kvm *kvm, 71 unsigned long start, unsigned long end); 72 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 73 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 74 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 75 76 #define HPTEG_CACHE_NUM (1 << 15) 77 #define HPTEG_HASH_BITS_PTE 13 78 #define HPTEG_HASH_BITS_PTE_LONG 12 79 #define HPTEG_HASH_BITS_VPTE 13 80 #define HPTEG_HASH_BITS_VPTE_LONG 5 81 #define HPTEG_HASH_BITS_VPTE_64K 11 82 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 83 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 84 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 85 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 86 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 87 88 /* Physical Address Mask - allowed range of real mode RAM access */ 89 #define KVM_PAM 0x0fffffffffffffffULL 90 91 struct lppaca; 92 struct slb_shadow; 93 struct dtl_entry; 94 95 struct kvmppc_vcpu_book3s; 96 struct kvmppc_book3s_shadow_vcpu; 97 98 struct kvm_vm_stat { 99 ulong remote_tlb_flush; 100 }; 101 102 struct kvm_vcpu_stat { 103 u64 sum_exits; 104 u64 mmio_exits; 105 u64 signal_exits; 106 u64 light_exits; 107 /* Account for special types of light exits: */ 108 u64 itlb_real_miss_exits; 109 u64 itlb_virt_miss_exits; 110 u64 dtlb_real_miss_exits; 111 u64 dtlb_virt_miss_exits; 112 u64 syscall_exits; 113 u64 isi_exits; 114 u64 dsi_exits; 115 u64 emulated_inst_exits; 116 u64 dec_exits; 117 u64 ext_intr_exits; 118 u64 halt_poll_success_ns; 119 u64 halt_poll_fail_ns; 120 u64 halt_wait_ns; 121 u64 halt_successful_poll; 122 u64 halt_attempted_poll; 123 u64 halt_successful_wait; 124 u64 halt_poll_invalid; 125 u64 halt_wakeup; 126 u64 dbell_exits; 127 u64 gdbell_exits; 128 u64 ld; 129 u64 st; 130 #ifdef CONFIG_PPC_BOOK3S 131 u64 pf_storage; 132 u64 pf_instruc; 133 u64 sp_storage; 134 u64 sp_instruc; 135 u64 queue_intr; 136 u64 ld_slow; 137 u64 st_slow; 138 #endif 139 u64 pthru_all; 140 u64 pthru_host; 141 u64 pthru_bad_aff; 142 }; 143 144 enum kvm_exit_types { 145 MMIO_EXITS, 146 SIGNAL_EXITS, 147 ITLB_REAL_MISS_EXITS, 148 ITLB_VIRT_MISS_EXITS, 149 DTLB_REAL_MISS_EXITS, 150 DTLB_VIRT_MISS_EXITS, 151 SYSCALL_EXITS, 152 ISI_EXITS, 153 DSI_EXITS, 154 EMULATED_INST_EXITS, 155 EMULATED_MTMSRWE_EXITS, 156 EMULATED_WRTEE_EXITS, 157 EMULATED_MTSPR_EXITS, 158 EMULATED_MFSPR_EXITS, 159 EMULATED_MTMSR_EXITS, 160 EMULATED_MFMSR_EXITS, 161 EMULATED_TLBSX_EXITS, 162 EMULATED_TLBWE_EXITS, 163 EMULATED_RFI_EXITS, 164 EMULATED_RFCI_EXITS, 165 EMULATED_RFDI_EXITS, 166 DEC_EXITS, 167 EXT_INTR_EXITS, 168 HALT_WAKEUP, 169 USR_PR_INST, 170 FP_UNAVAIL, 171 DEBUG_EXITS, 172 TIMEINGUEST, 173 DBELL_EXITS, 174 GDBELL_EXITS, 175 __NUMBER_OF_KVM_EXIT_TYPES 176 }; 177 178 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 179 struct kvmppc_exit_timing { 180 union { 181 u64 tv64; 182 struct { 183 u32 tbu, tbl; 184 } tv32; 185 }; 186 }; 187 188 struct kvmppc_pginfo { 189 unsigned long pfn; 190 atomic_t refcnt; 191 }; 192 193 struct kvmppc_spapr_tce_iommu_table { 194 struct rcu_head rcu; 195 struct list_head next; 196 struct iommu_table *tbl; 197 struct kref kref; 198 }; 199 200 struct kvmppc_spapr_tce_table { 201 struct list_head list; 202 struct kvm *kvm; 203 u64 liobn; 204 struct rcu_head rcu; 205 u32 page_shift; 206 u64 offset; /* in pages */ 207 u64 size; /* window size in pages */ 208 struct list_head iommu_tables; 209 struct page *pages[0]; 210 }; 211 212 /* XICS components, defined in book3s_xics.c */ 213 struct kvmppc_xics; 214 struct kvmppc_icp; 215 extern struct kvm_device_ops kvm_xics_ops; 216 217 /* XIVE components, defined in book3s_xive.c */ 218 struct kvmppc_xive; 219 struct kvmppc_xive_vcpu; 220 extern struct kvm_device_ops kvm_xive_ops; 221 222 struct kvmppc_passthru_irqmap; 223 224 /* 225 * The reverse mapping array has one entry for each HPTE, 226 * which stores the guest's view of the second word of the HPTE 227 * (including the guest physical address of the mapping), 228 * plus forward and backward pointers in a doubly-linked ring 229 * of HPTEs that map the same host page. The pointers in this 230 * ring are 32-bit HPTE indexes, to save space. 231 */ 232 struct revmap_entry { 233 unsigned long guest_rpte; 234 unsigned int forw, back; 235 }; 236 237 /* 238 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 239 * and bit 32 as a present flag. The bottom 32 bits are the 240 * index in the guest HPT of a HPTE that points to the page. 241 */ 242 #define KVMPPC_RMAP_LOCK_BIT 63 243 #define KVMPPC_RMAP_RC_SHIFT 32 244 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 245 #define KVMPPC_RMAP_PRESENT 0x100000000ul 246 #define KVMPPC_RMAP_INDEX 0xfffffffful 247 248 struct kvm_arch_memory_slot { 249 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 250 unsigned long *rmap; 251 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 252 }; 253 254 struct kvm_hpt_info { 255 /* Host virtual (linear mapping) address of guest HPT */ 256 unsigned long virt; 257 /* Array of reverse mapping entries for each guest HPTE */ 258 struct revmap_entry *rev; 259 /* Guest HPT size is 2**(order) bytes */ 260 u32 order; 261 /* 1 if HPT allocated with CMA, 0 otherwise */ 262 int cma; 263 }; 264 265 struct kvm_resize_hpt; 266 267 struct kvm_arch { 268 unsigned int lpid; 269 unsigned int smt_mode; /* # vcpus per virtual core */ 270 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ 271 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 272 unsigned int tlb_sets; 273 struct kvm_hpt_info hpt; 274 atomic64_t mmio_update; 275 unsigned int host_lpid; 276 unsigned long host_lpcr; 277 unsigned long sdr1; 278 unsigned long host_sdr1; 279 unsigned long lpcr; 280 unsigned long vrma_slb_v; 281 int mmu_ready; 282 atomic_t vcpus_running; 283 u32 online_vcores; 284 atomic_t hpte_mod_interest; 285 cpumask_t need_tlb_flush; 286 cpumask_t cpu_in_guest; 287 u8 radix; 288 u8 fwnmi_enabled; 289 bool threads_indep; 290 pgd_t *pgtable; 291 u64 process_table; 292 struct dentry *debugfs_dir; 293 struct dentry *htab_dentry; 294 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 295 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 296 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 297 struct mutex hpt_mutex; 298 #endif 299 #ifdef CONFIG_PPC_BOOK3S_64 300 struct list_head spapr_tce_tables; 301 struct list_head rtas_tokens; 302 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 303 #endif 304 #ifdef CONFIG_KVM_MPIC 305 struct openpic *mpic; 306 #endif 307 #ifdef CONFIG_KVM_XICS 308 struct kvmppc_xics *xics; 309 struct kvmppc_xive *xive; 310 struct kvmppc_passthru_irqmap *pimap; 311 #endif 312 struct kvmppc_ops *kvm_ops; 313 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 314 /* This array can grow quite large, keep it at the end */ 315 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 316 #endif 317 }; 318 319 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 320 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 321 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 322 323 /* This bit is used when a vcore exit is triggered from outside the vcore */ 324 #define VCORE_EXIT_REQ 0x10000 325 326 /* 327 * Values for vcore_state. 328 * Note that these are arranged such that lower values 329 * (< VCORE_SLEEPING) don't require stolen time accounting 330 * on load/unload, and higher values do. 331 */ 332 #define VCORE_INACTIVE 0 333 #define VCORE_PREEMPT 1 334 #define VCORE_PIGGYBACK 2 335 #define VCORE_SLEEPING 3 336 #define VCORE_RUNNING 4 337 #define VCORE_EXITING 5 338 #define VCORE_POLLING 6 339 340 /* 341 * Struct used to manage memory for a virtual processor area 342 * registered by a PAPR guest. There are three types of area 343 * that a guest can register. 344 */ 345 struct kvmppc_vpa { 346 unsigned long gpa; /* Current guest phys addr */ 347 void *pinned_addr; /* Address in kernel linear mapping */ 348 void *pinned_end; /* End of region */ 349 unsigned long next_gpa; /* Guest phys addr for update */ 350 unsigned long len; /* Number of bytes required */ 351 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 352 bool dirty; /* true => area has been modified by kernel */ 353 }; 354 355 struct kvmppc_pte { 356 ulong eaddr; 357 u64 vpage; 358 ulong raddr; 359 bool may_read : 1; 360 bool may_write : 1; 361 bool may_execute : 1; 362 unsigned long wimg; 363 u8 page_size; /* MMU_PAGE_xxx */ 364 }; 365 366 struct kvmppc_mmu { 367 /* book3s_64 only */ 368 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 369 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 370 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 371 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 372 void (*slbia)(struct kvm_vcpu *vcpu); 373 /* book3s */ 374 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 375 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 376 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 377 struct kvmppc_pte *pte, bool data, bool iswrite); 378 void (*reset_msr)(struct kvm_vcpu *vcpu); 379 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 380 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 381 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 382 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 383 }; 384 385 struct kvmppc_slb { 386 u64 esid; 387 u64 vsid; 388 u64 orige; 389 u64 origv; 390 bool valid : 1; 391 bool Ks : 1; 392 bool Kp : 1; 393 bool nx : 1; 394 bool large : 1; /* PTEs are 16MB */ 395 bool tb : 1; /* 1TB segment */ 396 bool class : 1; 397 u8 base_page_size; /* MMU_PAGE_xxx */ 398 }; 399 400 /* Struct used to accumulate timing information in HV real mode code */ 401 struct kvmhv_tb_accumulator { 402 u64 seqcount; /* used to synchronize access, also count * 2 */ 403 u64 tb_total; /* total time in timebase ticks */ 404 u64 tb_min; /* min time */ 405 u64 tb_max; /* max time */ 406 }; 407 408 #ifdef CONFIG_PPC_BOOK3S_64 409 struct kvmppc_irq_map { 410 u32 r_hwirq; 411 u32 v_hwirq; 412 struct irq_desc *desc; 413 }; 414 415 #define KVMPPC_PIRQ_MAPPED 1024 416 struct kvmppc_passthru_irqmap { 417 int n_mapped; 418 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 419 }; 420 #endif 421 422 # ifdef CONFIG_PPC_FSL_BOOK3E 423 #define KVMPPC_BOOKE_IAC_NUM 2 424 #define KVMPPC_BOOKE_DAC_NUM 2 425 # else 426 #define KVMPPC_BOOKE_IAC_NUM 4 427 #define KVMPPC_BOOKE_DAC_NUM 2 428 # endif 429 #define KVMPPC_BOOKE_MAX_IAC 4 430 #define KVMPPC_BOOKE_MAX_DAC 2 431 432 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 433 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 434 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 435 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 436 437 #define KVMPPC_IRQ_DEFAULT 0 438 #define KVMPPC_IRQ_MPIC 1 439 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 440 441 #define MMIO_HPTE_CACHE_SIZE 4 442 443 struct mmio_hpte_cache_entry { 444 unsigned long hpte_v; 445 unsigned long hpte_r; 446 unsigned long rpte; 447 unsigned long pte_index; 448 unsigned long eaddr; 449 unsigned long slb_v; 450 long mmio_update; 451 unsigned int slb_base_pshift; 452 }; 453 454 struct mmio_hpte_cache { 455 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 456 unsigned int index; 457 }; 458 459 #define KVMPPC_VSX_COPY_NONE 0 460 #define KVMPPC_VSX_COPY_WORD 1 461 #define KVMPPC_VSX_COPY_DWORD 2 462 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 463 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 464 465 #define KVMPPC_VMX_COPY_BYTE 8 466 #define KVMPPC_VMX_COPY_HWORD 9 467 #define KVMPPC_VMX_COPY_WORD 10 468 #define KVMPPC_VMX_COPY_DWORD 11 469 470 struct openpic; 471 472 /* W0 and W1 of a XIVE thread management context */ 473 union xive_tma_w01 { 474 struct { 475 u8 nsr; 476 u8 cppr; 477 u8 ipb; 478 u8 lsmfb; 479 u8 ack; 480 u8 inc; 481 u8 age; 482 u8 pipr; 483 }; 484 __be64 w01; 485 }; 486 487 struct kvm_vcpu_arch { 488 ulong host_stack; 489 u32 host_pid; 490 #ifdef CONFIG_PPC_BOOK3S 491 struct kvmppc_slb slb[64]; 492 int slb_max; /* 1 + index of last valid entry in slb[] */ 493 int slb_nr; /* total number of entries in SLB */ 494 struct kvmppc_mmu mmu; 495 struct kvmppc_vcpu_book3s *book3s; 496 #endif 497 #ifdef CONFIG_PPC_BOOK3S_32 498 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 499 #endif 500 501 struct pt_regs regs; 502 503 struct thread_fp_state fp; 504 505 #ifdef CONFIG_SPE 506 ulong evr[32]; 507 ulong spefscr; 508 ulong host_spefscr; 509 u64 acc; 510 #endif 511 #ifdef CONFIG_ALTIVEC 512 struct thread_vr_state vr; 513 #endif 514 515 #ifdef CONFIG_KVM_BOOKE_HV 516 u32 host_mas4; 517 u32 host_mas6; 518 u32 shadow_epcr; 519 u32 shadow_msrp; 520 u32 eplc; 521 u32 epsc; 522 u32 oldpir; 523 #endif 524 525 #if defined(CONFIG_BOOKE) 526 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 527 u32 epcr; 528 #endif 529 #endif 530 531 #ifdef CONFIG_PPC_BOOK3S 532 /* For Gekko paired singles */ 533 u32 qpr[32]; 534 #endif 535 536 #ifdef CONFIG_PPC_BOOK3S 537 ulong tar; 538 #endif 539 540 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 u64 orig_texasr; 621 622 u32 cr_tm; 623 u64 xer_tm; 624 u64 lr_tm; 625 u64 ctr_tm; 626 u64 amr_tm; 627 u64 ppr_tm; 628 u64 dscr_tm; 629 u64 tar_tm; 630 631 ulong gpr_tm[32]; 632 633 struct thread_fp_state fp_tm; 634 635 struct thread_vr_state vr_tm; 636 u32 vrsave_tm; /* also USPRG0 */ 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 u16 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_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_vmx_copy_nums; 699 u8 mmio_vmx_offset; 700 u8 mmio_copy_type; 701 u8 osi_needed; 702 u8 osi_enabled; 703 u8 papr_enabled; 704 u8 watchdog_enabled; 705 u8 sane; 706 u8 cpu_type; 707 u8 hcall_needed; 708 u8 epr_flags; /* KVMPPC_EPR_xxx */ 709 u8 epr_needed; 710 711 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 712 713 struct hrtimer dec_timer; 714 u64 dec_jiffies; 715 u64 dec_expires; 716 unsigned long pending_exceptions; 717 u8 ceded; 718 u8 prodded; 719 u8 doorbell_request; 720 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 721 u32 last_inst; 722 723 struct swait_queue_head *wqp; 724 struct kvmppc_vcore *vcore; 725 int ret; 726 int trap; 727 int state; 728 int ptid; 729 int thread_cpu; 730 int prev_cpu; 731 bool timer_running; 732 wait_queue_head_t cpu_run; 733 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 734 735 struct kvm_vcpu_arch_shared *shared; 736 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 737 bool shared_big_endian; 738 #endif 739 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 740 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 741 bool disable_kernel_nx; 742 743 int irq_type; /* one of KVM_IRQ_* */ 744 int irq_cpu_id; 745 struct openpic *mpic; /* KVM_IRQ_MPIC */ 746 #ifdef CONFIG_KVM_XICS 747 struct kvmppc_icp *icp; /* XICS presentation controller */ 748 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 749 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 750 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 751 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 752 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 753 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 754 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 755 #endif 756 757 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 758 struct kvm_vcpu_arch_shared shregs; 759 760 struct mmio_hpte_cache mmio_cache; 761 unsigned long pgfault_addr; 762 long pgfault_index; 763 unsigned long pgfault_hpte[2]; 764 struct mmio_hpte_cache_entry *pgfault_cache; 765 766 struct task_struct *run_task; 767 struct kvm_run *kvm_run; 768 769 spinlock_t vpa_update_lock; 770 struct kvmppc_vpa vpa; 771 struct kvmppc_vpa dtl; 772 struct dtl_entry *dtl_ptr; 773 unsigned long dtl_index; 774 u64 stolen_logged; 775 struct kvmppc_vpa slb_shadow; 776 777 spinlock_t tbacct_lock; 778 u64 busy_stolen; 779 u64 busy_preempt; 780 781 u32 emul_inst; 782 783 u32 online; 784 #endif 785 786 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 787 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 788 u64 cur_tb_start; /* when it started */ 789 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 790 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 791 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 792 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 793 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 794 795 struct dentry *debugfs_dir; 796 struct dentry *debugfs_timings; 797 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 798 }; 799 800 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 801 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 802 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 803 804 /* Values for vcpu->arch.state */ 805 #define KVMPPC_VCPU_NOTREADY 0 806 #define KVMPPC_VCPU_RUNNABLE 1 807 #define KVMPPC_VCPU_BUSY_IN_HOST 2 808 809 /* Values for vcpu->arch.io_gpr */ 810 #define KVM_MMIO_REG_MASK 0x003f 811 #define KVM_MMIO_REG_EXT_MASK 0xffc0 812 #define KVM_MMIO_REG_GPR 0x0000 813 #define KVM_MMIO_REG_FPR 0x0040 814 #define KVM_MMIO_REG_QPR 0x0080 815 #define KVM_MMIO_REG_FQPR 0x00c0 816 #define KVM_MMIO_REG_VSX 0x0100 817 #define KVM_MMIO_REG_VMX 0x0180 818 819 #define __KVM_HAVE_ARCH_WQP 820 #define __KVM_HAVE_CREATE_DEVICE 821 kvm_arch_hardware_disable(void)822 static inline void kvm_arch_hardware_disable(void) {} kvm_arch_hardware_unsetup(void)823 static inline void kvm_arch_hardware_unsetup(void) {} kvm_arch_sync_events(struct kvm * kvm)824 static inline void kvm_arch_sync_events(struct kvm *kvm) {} kvm_arch_memslots_updated(struct kvm * kvm,struct kvm_memslots * slots)825 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} kvm_arch_flush_shadow_all(struct kvm * kvm)826 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} kvm_arch_sched_in(struct kvm_vcpu * vcpu,int cpu)827 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} kvm_arch_exit(void)828 static inline void kvm_arch_exit(void) {} kvm_arch_vcpu_blocking(struct kvm_vcpu * vcpu)829 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} kvm_arch_vcpu_unblocking(struct kvm_vcpu * vcpu)830 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} kvm_arch_vcpu_block_finish(struct kvm_vcpu * vcpu)831 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 832 833 #endif /* __POWERPC_KVM_HOST_H__ */ 834
