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 #define KVM_MAX_NESTED_GUESTS KVMPPC_NR_LPIDS 50 51 #else 52 #define KVM_MAX_VCPU_ID KVM_MAX_VCPUS 53 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 54 55 #define __KVM_HAVE_ARCH_INTC_INITIALIZED 56 57 #define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ 58 59 /* These values are internal and can be increased later */ 60 #define KVM_NR_IRQCHIPS 1 61 #define KVM_IRQCHIP_NUM_PINS 256 62 63 /* PPC-specific vcpu->requests bit members */ 64 #define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0) 65 #define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1) 66 67 #include <linux/mmu_notifier.h> 68 69 #define KVM_ARCH_WANT_MMU_NOTIFIER 70 71 extern int kvm_unmap_hva_range(struct kvm *kvm, 72 unsigned long start, unsigned long end); 73 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 74 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 75 extern int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 76 77 #define HPTEG_CACHE_NUM (1 << 15) 78 #define HPTEG_HASH_BITS_PTE 13 79 #define HPTEG_HASH_BITS_PTE_LONG 12 80 #define HPTEG_HASH_BITS_VPTE 13 81 #define HPTEG_HASH_BITS_VPTE_LONG 5 82 #define HPTEG_HASH_BITS_VPTE_64K 11 83 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 84 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 85 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 86 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 87 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 88 89 /* Physical Address Mask - allowed range of real mode RAM access */ 90 #define KVM_PAM 0x0fffffffffffffffULL 91 92 struct lppaca; 93 struct slb_shadow; 94 struct dtl_entry; 95 96 struct kvmppc_vcpu_book3s; 97 struct kvmppc_book3s_shadow_vcpu; 98 struct kvm_nested_guest; 99 100 struct kvm_vm_stat { 101 ulong remote_tlb_flush; 102 ulong num_2M_pages; 103 ulong num_1G_pages; 104 }; 105 106 struct kvm_vcpu_stat { 107 u64 sum_exits; 108 u64 mmio_exits; 109 u64 signal_exits; 110 u64 light_exits; 111 /* Account for special types of light exits: */ 112 u64 itlb_real_miss_exits; 113 u64 itlb_virt_miss_exits; 114 u64 dtlb_real_miss_exits; 115 u64 dtlb_virt_miss_exits; 116 u64 syscall_exits; 117 u64 isi_exits; 118 u64 dsi_exits; 119 u64 emulated_inst_exits; 120 u64 dec_exits; 121 u64 ext_intr_exits; 122 u64 halt_poll_success_ns; 123 u64 halt_poll_fail_ns; 124 u64 halt_wait_ns; 125 u64 halt_successful_poll; 126 u64 halt_attempted_poll; 127 u64 halt_successful_wait; 128 u64 halt_poll_invalid; 129 u64 halt_wakeup; 130 u64 dbell_exits; 131 u64 gdbell_exits; 132 u64 ld; 133 u64 st; 134 #ifdef CONFIG_PPC_BOOK3S 135 u64 pf_storage; 136 u64 pf_instruc; 137 u64 sp_storage; 138 u64 sp_instruc; 139 u64 queue_intr; 140 u64 ld_slow; 141 u64 st_slow; 142 #endif 143 u64 pthru_all; 144 u64 pthru_host; 145 u64 pthru_bad_aff; 146 }; 147 148 enum kvm_exit_types { 149 MMIO_EXITS, 150 SIGNAL_EXITS, 151 ITLB_REAL_MISS_EXITS, 152 ITLB_VIRT_MISS_EXITS, 153 DTLB_REAL_MISS_EXITS, 154 DTLB_VIRT_MISS_EXITS, 155 SYSCALL_EXITS, 156 ISI_EXITS, 157 DSI_EXITS, 158 EMULATED_INST_EXITS, 159 EMULATED_MTMSRWE_EXITS, 160 EMULATED_WRTEE_EXITS, 161 EMULATED_MTSPR_EXITS, 162 EMULATED_MFSPR_EXITS, 163 EMULATED_MTMSR_EXITS, 164 EMULATED_MFMSR_EXITS, 165 EMULATED_TLBSX_EXITS, 166 EMULATED_TLBWE_EXITS, 167 EMULATED_RFI_EXITS, 168 EMULATED_RFCI_EXITS, 169 EMULATED_RFDI_EXITS, 170 DEC_EXITS, 171 EXT_INTR_EXITS, 172 HALT_WAKEUP, 173 USR_PR_INST, 174 FP_UNAVAIL, 175 DEBUG_EXITS, 176 TIMEINGUEST, 177 DBELL_EXITS, 178 GDBELL_EXITS, 179 __NUMBER_OF_KVM_EXIT_TYPES 180 }; 181 182 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 183 struct kvmppc_exit_timing { 184 union { 185 u64 tv64; 186 struct { 187 u32 tbu, tbl; 188 } tv32; 189 }; 190 }; 191 192 struct kvmppc_pginfo { 193 unsigned long pfn; 194 atomic_t refcnt; 195 }; 196 197 struct kvmppc_spapr_tce_iommu_table { 198 struct rcu_head rcu; 199 struct list_head next; 200 struct iommu_table *tbl; 201 struct kref kref; 202 }; 203 204 #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) 205 206 struct kvmppc_spapr_tce_table { 207 struct list_head list; 208 struct kvm *kvm; 209 u64 liobn; 210 struct rcu_head rcu; 211 u32 page_shift; 212 u64 offset; /* in pages */ 213 u64 size; /* window size in pages */ 214 struct list_head iommu_tables; 215 struct mutex alloc_lock; 216 struct page *pages[0]; 217 }; 218 219 /* XICS components, defined in book3s_xics.c */ 220 struct kvmppc_xics; 221 struct kvmppc_icp; 222 extern struct kvm_device_ops kvm_xics_ops; 223 224 /* XIVE components, defined in book3s_xive.c */ 225 struct kvmppc_xive; 226 struct kvmppc_xive_vcpu; 227 extern struct kvm_device_ops kvm_xive_ops; 228 extern struct kvm_device_ops kvm_xive_native_ops; 229 230 struct kvmppc_passthru_irqmap; 231 232 /* 233 * The reverse mapping array has one entry for each HPTE, 234 * which stores the guest's view of the second word of the HPTE 235 * (including the guest physical address of the mapping), 236 * plus forward and backward pointers in a doubly-linked ring 237 * of HPTEs that map the same host page. The pointers in this 238 * ring are 32-bit HPTE indexes, to save space. 239 */ 240 struct revmap_entry { 241 unsigned long guest_rpte; 242 unsigned int forw, back; 243 }; 244 245 /* 246 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 247 * and bit 32 as a present flag. The bottom 32 bits are the 248 * index in the guest HPT of a HPTE that points to the page. 249 */ 250 #define KVMPPC_RMAP_LOCK_BIT 63 251 #define KVMPPC_RMAP_RC_SHIFT 32 252 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 253 #define KVMPPC_RMAP_PRESENT 0x100000000ul 254 #define KVMPPC_RMAP_INDEX 0xfffffffful 255 256 struct kvm_arch_memory_slot { 257 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 258 unsigned long *rmap; 259 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 260 }; 261 262 struct kvm_hpt_info { 263 /* Host virtual (linear mapping) address of guest HPT */ 264 unsigned long virt; 265 /* Array of reverse mapping entries for each guest HPTE */ 266 struct revmap_entry *rev; 267 /* Guest HPT size is 2**(order) bytes */ 268 u32 order; 269 /* 1 if HPT allocated with CMA, 0 otherwise */ 270 int cma; 271 }; 272 273 struct kvm_resize_hpt; 274 275 struct kvm_arch { 276 unsigned int lpid; 277 unsigned int smt_mode; /* # vcpus per virtual core */ 278 unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ 279 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 280 unsigned int tlb_sets; 281 struct kvm_hpt_info hpt; 282 atomic64_t mmio_update; 283 unsigned int host_lpid; 284 unsigned long host_lpcr; 285 unsigned long sdr1; 286 unsigned long host_sdr1; 287 unsigned long lpcr; 288 unsigned long vrma_slb_v; 289 int mmu_ready; 290 atomic_t vcpus_running; 291 u32 online_vcores; 292 atomic_t hpte_mod_interest; 293 cpumask_t need_tlb_flush; 294 cpumask_t cpu_in_guest; 295 u8 radix; 296 u8 fwnmi_enabled; 297 bool threads_indep; 298 bool nested_enable; 299 pgd_t *pgtable; 300 u64 process_table; 301 struct dentry *debugfs_dir; 302 struct dentry *htab_dentry; 303 struct dentry *radix_dentry; 304 struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ 305 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 306 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 307 struct mutex hpt_mutex; 308 #endif 309 #ifdef CONFIG_PPC_BOOK3S_64 310 struct list_head spapr_tce_tables; 311 struct list_head rtas_tokens; 312 struct mutex rtas_token_lock; 313 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 314 #endif 315 #ifdef CONFIG_KVM_MPIC 316 struct openpic *mpic; 317 #endif 318 #ifdef CONFIG_KVM_XICS 319 struct kvmppc_xics *xics; 320 struct kvmppc_xive *xive; /* Current XIVE device in use */ 321 struct { 322 struct kvmppc_xive *native; 323 struct kvmppc_xive *xics_on_xive; 324 } xive_devices; 325 struct kvmppc_passthru_irqmap *pimap; 326 #endif 327 struct kvmppc_ops *kvm_ops; 328 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 329 struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */ 330 u64 l1_ptcr; 331 int max_nested_lpid; 332 struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS]; 333 /* This array can grow quite large, keep it at the end */ 334 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 335 #endif 336 }; 337 338 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 339 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 340 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 341 342 /* This bit is used when a vcore exit is triggered from outside the vcore */ 343 #define VCORE_EXIT_REQ 0x10000 344 345 /* 346 * Values for vcore_state. 347 * Note that these are arranged such that lower values 348 * (< VCORE_SLEEPING) don't require stolen time accounting 349 * on load/unload, and higher values do. 350 */ 351 #define VCORE_INACTIVE 0 352 #define VCORE_PREEMPT 1 353 #define VCORE_PIGGYBACK 2 354 #define VCORE_SLEEPING 3 355 #define VCORE_RUNNING 4 356 #define VCORE_EXITING 5 357 #define VCORE_POLLING 6 358 359 /* 360 * Struct used to manage memory for a virtual processor area 361 * registered by a PAPR guest. There are three types of area 362 * that a guest can register. 363 */ 364 struct kvmppc_vpa { 365 unsigned long gpa; /* Current guest phys addr */ 366 void *pinned_addr; /* Address in kernel linear mapping */ 367 void *pinned_end; /* End of region */ 368 unsigned long next_gpa; /* Guest phys addr for update */ 369 unsigned long len; /* Number of bytes required */ 370 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 371 bool dirty; /* true => area has been modified by kernel */ 372 }; 373 374 struct kvmppc_pte { 375 ulong eaddr; 376 u64 vpage; 377 ulong raddr; 378 bool may_read : 1; 379 bool may_write : 1; 380 bool may_execute : 1; 381 unsigned long wimg; 382 unsigned long rc; 383 u8 page_size; /* MMU_PAGE_xxx */ 384 u8 page_shift; 385 }; 386 387 struct kvmppc_mmu { 388 /* book3s_64 only */ 389 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 390 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 391 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 392 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb); 393 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 394 void (*slbia)(struct kvm_vcpu *vcpu); 395 /* book3s */ 396 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 397 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 398 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 399 struct kvmppc_pte *pte, bool data, bool iswrite); 400 void (*reset_msr)(struct kvm_vcpu *vcpu); 401 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 402 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 403 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 404 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 405 }; 406 407 struct kvmppc_slb { 408 u64 esid; 409 u64 vsid; 410 u64 orige; 411 u64 origv; 412 bool valid : 1; 413 bool Ks : 1; 414 bool Kp : 1; 415 bool nx : 1; 416 bool large : 1; /* PTEs are 16MB */ 417 bool tb : 1; /* 1TB segment */ 418 bool class : 1; 419 u8 base_page_size; /* MMU_PAGE_xxx */ 420 }; 421 422 /* Struct used to accumulate timing information in HV real mode code */ 423 struct kvmhv_tb_accumulator { 424 u64 seqcount; /* used to synchronize access, also count * 2 */ 425 u64 tb_total; /* total time in timebase ticks */ 426 u64 tb_min; /* min time */ 427 u64 tb_max; /* max time */ 428 }; 429 430 #ifdef CONFIG_PPC_BOOK3S_64 431 struct kvmppc_irq_map { 432 u32 r_hwirq; 433 u32 v_hwirq; 434 struct irq_desc *desc; 435 }; 436 437 #define KVMPPC_PIRQ_MAPPED 1024 438 struct kvmppc_passthru_irqmap { 439 int n_mapped; 440 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 441 }; 442 #endif 443 444 # ifdef CONFIG_PPC_FSL_BOOK3E 445 #define KVMPPC_BOOKE_IAC_NUM 2 446 #define KVMPPC_BOOKE_DAC_NUM 2 447 # else 448 #define KVMPPC_BOOKE_IAC_NUM 4 449 #define KVMPPC_BOOKE_DAC_NUM 2 450 # endif 451 #define KVMPPC_BOOKE_MAX_IAC 4 452 #define KVMPPC_BOOKE_MAX_DAC 2 453 454 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 455 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 456 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 457 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 458 459 #define KVMPPC_IRQ_DEFAULT 0 460 #define KVMPPC_IRQ_MPIC 1 461 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 462 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ 463 464 #define MMIO_HPTE_CACHE_SIZE 4 465 466 struct mmio_hpte_cache_entry { 467 unsigned long hpte_v; 468 unsigned long hpte_r; 469 unsigned long rpte; 470 unsigned long pte_index; 471 unsigned long eaddr; 472 unsigned long slb_v; 473 long mmio_update; 474 unsigned int slb_base_pshift; 475 }; 476 477 struct mmio_hpte_cache { 478 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 479 unsigned int index; 480 }; 481 482 #define KVMPPC_VSX_COPY_NONE 0 483 #define KVMPPC_VSX_COPY_WORD 1 484 #define KVMPPC_VSX_COPY_DWORD 2 485 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 486 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 487 488 #define KVMPPC_VMX_COPY_BYTE 8 489 #define KVMPPC_VMX_COPY_HWORD 9 490 #define KVMPPC_VMX_COPY_WORD 10 491 #define KVMPPC_VMX_COPY_DWORD 11 492 493 struct openpic; 494 495 /* W0 and W1 of a XIVE thread management context */ 496 union xive_tma_w01 { 497 struct { 498 u8 nsr; 499 u8 cppr; 500 u8 ipb; 501 u8 lsmfb; 502 u8 ack; 503 u8 inc; 504 u8 age; 505 u8 pipr; 506 }; 507 __be64 w01; 508 }; 509 510 struct kvm_vcpu_arch { 511 ulong host_stack; 512 u32 host_pid; 513 #ifdef CONFIG_PPC_BOOK3S 514 struct kvmppc_slb slb[64]; 515 int slb_max; /* 1 + index of last valid entry in slb[] */ 516 int slb_nr; /* total number of entries in SLB */ 517 struct kvmppc_mmu mmu; 518 struct kvmppc_vcpu_book3s *book3s; 519 #endif 520 #ifdef CONFIG_PPC_BOOK3S_32 521 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 522 #endif 523 524 struct pt_regs regs; 525 526 struct thread_fp_state fp; 527 528 #ifdef CONFIG_SPE 529 ulong evr[32]; 530 ulong spefscr; 531 ulong host_spefscr; 532 u64 acc; 533 #endif 534 #ifdef CONFIG_ALTIVEC 535 struct thread_vr_state vr; 536 #endif 537 538 #ifdef CONFIG_KVM_BOOKE_HV 539 u32 host_mas4; 540 u32 host_mas6; 541 u32 shadow_epcr; 542 u32 shadow_msrp; 543 u32 eplc; 544 u32 epsc; 545 u32 oldpir; 546 #endif 547 548 #if defined(CONFIG_BOOKE) 549 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 550 u32 epcr; 551 #endif 552 #endif 553 554 #ifdef CONFIG_PPC_BOOK3S 555 /* For Gekko paired singles */ 556 u32 qpr[32]; 557 #endif 558 559 #ifdef CONFIG_PPC_BOOK3S 560 ulong tar; 561 #endif 562 563 #ifdef CONFIG_PPC_BOOK3S 564 ulong hflags; 565 ulong guest_owned_ext; 566 ulong purr; 567 ulong spurr; 568 ulong ic; 569 ulong dscr; 570 ulong amr; 571 ulong uamor; 572 ulong iamr; 573 u32 ctrl; 574 u32 dabrx; 575 ulong dabr; 576 ulong dawr; 577 ulong dawrx; 578 ulong ciabr; 579 ulong cfar; 580 ulong ppr; 581 u32 pspb; 582 ulong fscr; 583 ulong shadow_fscr; 584 ulong ebbhr; 585 ulong ebbrr; 586 ulong bescr; 587 ulong csigr; 588 ulong tacr; 589 ulong tcscr; 590 ulong acop; 591 ulong wort; 592 ulong tid; 593 ulong psscr; 594 ulong hfscr; 595 ulong shadow_srr1; 596 #endif 597 u32 vrsave; /* also USPRG0 */ 598 u32 mmucr; 599 /* shadow_msr is unused for BookE HV */ 600 ulong shadow_msr; 601 ulong csrr0; 602 ulong csrr1; 603 ulong dsrr0; 604 ulong dsrr1; 605 ulong mcsrr0; 606 ulong mcsrr1; 607 ulong mcsr; 608 ulong dec; 609 #ifdef CONFIG_BOOKE 610 u32 decar; 611 #endif 612 /* Time base value when we entered the guest */ 613 u64 entry_tb; 614 u64 entry_vtb; 615 u64 entry_ic; 616 u32 tcr; 617 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 618 u32 ivor[64]; 619 ulong ivpr; 620 u32 pvr; 621 622 u32 shadow_pid; 623 u32 shadow_pid1; 624 u32 pid; 625 u32 swap_pid; 626 627 u32 ccr0; 628 u32 ccr1; 629 u32 dbsr; 630 631 u64 mmcr[5]; 632 u32 pmc[8]; 633 u32 spmc[2]; 634 u64 siar; 635 u64 sdar; 636 u64 sier; 637 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 638 u64 tfhar; 639 u64 texasr; 640 u64 tfiar; 641 u64 orig_texasr; 642 643 u32 cr_tm; 644 u64 xer_tm; 645 u64 lr_tm; 646 u64 ctr_tm; 647 u64 amr_tm; 648 u64 ppr_tm; 649 u64 dscr_tm; 650 u64 tar_tm; 651 652 ulong gpr_tm[32]; 653 654 struct thread_fp_state fp_tm; 655 656 struct thread_vr_state vr_tm; 657 u32 vrsave_tm; /* also USPRG0 */ 658 #endif 659 660 #ifdef CONFIG_KVM_EXIT_TIMING 661 struct mutex exit_timing_lock; 662 struct kvmppc_exit_timing timing_exit; 663 struct kvmppc_exit_timing timing_last_enter; 664 u32 last_exit_type; 665 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 666 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 667 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 668 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 669 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 670 u64 timing_last_exit; 671 struct dentry *debugfs_exit_timing; 672 #endif 673 674 #ifdef CONFIG_PPC_BOOK3S 675 ulong fault_dar; 676 u32 fault_dsisr; 677 unsigned long intr_msr; 678 ulong fault_gpa; /* guest real address of page fault (POWER9) */ 679 #endif 680 681 #ifdef CONFIG_BOOKE 682 ulong fault_dear; 683 ulong fault_esr; 684 ulong queued_dear; 685 ulong queued_esr; 686 spinlock_t wdt_lock; 687 struct timer_list wdt_timer; 688 u32 tlbcfg[4]; 689 u32 tlbps[4]; 690 u32 mmucfg; 691 u32 eptcfg; 692 u32 epr; 693 u64 sprg9; 694 u32 pwrmgtcr0; 695 u32 crit_save; 696 /* guest debug registers*/ 697 struct debug_reg dbg_reg; 698 #endif 699 gpa_t paddr_accessed; 700 gva_t vaddr_accessed; 701 pgd_t *pgdir; 702 703 u16 io_gpr; /* GPR used as IO source/target */ 704 u8 mmio_host_swabbed; 705 u8 mmio_sign_extend; 706 /* conversion between single and double precision */ 707 u8 mmio_sp64_extend; 708 /* 709 * Number of simulations for vsx. 710 * If we use 2*8bytes to simulate 1*16bytes, 711 * then the number should be 2 and 712 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. 713 * If we use 4*4bytes to simulate 1*16bytes, 714 * the number should be 4 and 715 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 716 */ 717 u8 mmio_vsx_copy_nums; 718 u8 mmio_vsx_offset; 719 u8 mmio_vmx_copy_nums; 720 u8 mmio_vmx_offset; 721 u8 mmio_copy_type; 722 u8 osi_needed; 723 u8 osi_enabled; 724 u8 papr_enabled; 725 u8 watchdog_enabled; 726 u8 sane; 727 u8 cpu_type; 728 u8 hcall_needed; 729 u8 epr_flags; /* KVMPPC_EPR_xxx */ 730 u8 epr_needed; 731 u8 external_oneshot; /* clear external irq after delivery */ 732 733 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 734 735 struct hrtimer dec_timer; 736 u64 dec_jiffies; 737 u64 dec_expires; 738 unsigned long pending_exceptions; 739 u8 ceded; 740 u8 prodded; 741 u8 doorbell_request; 742 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 743 u32 last_inst; 744 745 struct swait_queue_head *wqp; 746 struct kvmppc_vcore *vcore; 747 int ret; 748 int trap; 749 int state; 750 int ptid; 751 int thread_cpu; 752 int prev_cpu; 753 bool timer_running; 754 wait_queue_head_t cpu_run; 755 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 756 757 struct kvm_vcpu_arch_shared *shared; 758 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 759 bool shared_big_endian; 760 #endif 761 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 762 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 763 bool disable_kernel_nx; 764 765 int irq_type; /* one of KVM_IRQ_* */ 766 int irq_cpu_id; 767 struct openpic *mpic; /* KVM_IRQ_MPIC */ 768 #ifdef CONFIG_KVM_XICS 769 struct kvmppc_icp *icp; /* XICS presentation controller */ 770 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 771 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 772 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 773 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 774 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 775 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 776 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 777 #endif 778 779 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 780 struct kvm_vcpu_arch_shared shregs; 781 782 struct mmio_hpte_cache mmio_cache; 783 unsigned long pgfault_addr; 784 long pgfault_index; 785 unsigned long pgfault_hpte[2]; 786 struct mmio_hpte_cache_entry *pgfault_cache; 787 788 struct task_struct *run_task; 789 struct kvm_run *kvm_run; 790 791 spinlock_t vpa_update_lock; 792 struct kvmppc_vpa vpa; 793 struct kvmppc_vpa dtl; 794 struct dtl_entry *dtl_ptr; 795 unsigned long dtl_index; 796 u64 stolen_logged; 797 struct kvmppc_vpa slb_shadow; 798 799 spinlock_t tbacct_lock; 800 u64 busy_stolen; 801 u64 busy_preempt; 802 803 u32 emul_inst; 804 805 u32 online; 806 807 /* For support of nested guests */ 808 struct kvm_nested_guest *nested; 809 u32 nested_vcpu_id; 810 gpa_t nested_io_gpr; 811 #endif 812 813 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 814 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 815 u64 cur_tb_start; /* when it started */ 816 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 817 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 818 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 819 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 820 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 821 822 struct dentry *debugfs_dir; 823 struct dentry *debugfs_timings; 824 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 825 }; 826 827 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 828 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 829 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 830 831 /* Values for vcpu->arch.state */ 832 #define KVMPPC_VCPU_NOTREADY 0 833 #define KVMPPC_VCPU_RUNNABLE 1 834 #define KVMPPC_VCPU_BUSY_IN_HOST 2 835 836 /* Values for vcpu->arch.io_gpr */ 837 #define KVM_MMIO_REG_MASK 0x003f 838 #define KVM_MMIO_REG_EXT_MASK 0xffc0 839 #define KVM_MMIO_REG_GPR 0x0000 840 #define KVM_MMIO_REG_FPR 0x0040 841 #define KVM_MMIO_REG_QPR 0x0080 842 #define KVM_MMIO_REG_FQPR 0x00c0 843 #define KVM_MMIO_REG_VSX 0x0100 844 #define KVM_MMIO_REG_VMX 0x0180 845 #define KVM_MMIO_REG_NESTED_GPR 0xffc0 846 847 848 #define __KVM_HAVE_ARCH_WQP 849 #define __KVM_HAVE_CREATE_DEVICE 850 851 static inline void kvm_arch_hardware_disable(void) {} 852 static inline void kvm_arch_hardware_unsetup(void) {} 853 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 854 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} 855 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 856 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 857 static inline void kvm_arch_exit(void) {} 858 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 859 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 860 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 861 862 #endif /* __POWERPC_KVM_HOST_H__ */ 863