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 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 313 #endif 314 #ifdef CONFIG_KVM_MPIC 315 struct openpic *mpic; 316 #endif 317 #ifdef CONFIG_KVM_XICS 318 struct kvmppc_xics *xics; 319 struct kvmppc_xive *xive; /* Current XIVE device in use */ 320 struct { 321 struct kvmppc_xive *native; 322 struct kvmppc_xive *xics_on_xive; 323 } xive_devices; 324 struct kvmppc_passthru_irqmap *pimap; 325 #endif 326 struct kvmppc_ops *kvm_ops; 327 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 328 u64 l1_ptcr; 329 int max_nested_lpid; 330 struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS]; 331 /* This array can grow quite large, keep it at the end */ 332 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 333 #endif 334 }; 335 336 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 337 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 338 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 339 340 /* This bit is used when a vcore exit is triggered from outside the vcore */ 341 #define VCORE_EXIT_REQ 0x10000 342 343 /* 344 * Values for vcore_state. 345 * Note that these are arranged such that lower values 346 * (< VCORE_SLEEPING) don't require stolen time accounting 347 * on load/unload, and higher values do. 348 */ 349 #define VCORE_INACTIVE 0 350 #define VCORE_PREEMPT 1 351 #define VCORE_PIGGYBACK 2 352 #define VCORE_SLEEPING 3 353 #define VCORE_RUNNING 4 354 #define VCORE_EXITING 5 355 #define VCORE_POLLING 6 356 357 /* 358 * Struct used to manage memory for a virtual processor area 359 * registered by a PAPR guest. There are three types of area 360 * that a guest can register. 361 */ 362 struct kvmppc_vpa { 363 unsigned long gpa; /* Current guest phys addr */ 364 void *pinned_addr; /* Address in kernel linear mapping */ 365 void *pinned_end; /* End of region */ 366 unsigned long next_gpa; /* Guest phys addr for update */ 367 unsigned long len; /* Number of bytes required */ 368 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 369 bool dirty; /* true => area has been modified by kernel */ 370 }; 371 372 struct kvmppc_pte { 373 ulong eaddr; 374 u64 vpage; 375 ulong raddr; 376 bool may_read : 1; 377 bool may_write : 1; 378 bool may_execute : 1; 379 unsigned long wimg; 380 unsigned long rc; 381 u8 page_size; /* MMU_PAGE_xxx */ 382 u8 page_shift; 383 }; 384 385 struct kvmppc_mmu { 386 /* book3s_64 only */ 387 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 388 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 389 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 390 int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb); 391 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 392 void (*slbia)(struct kvm_vcpu *vcpu); 393 /* book3s */ 394 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 395 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 396 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 397 struct kvmppc_pte *pte, bool data, bool iswrite); 398 void (*reset_msr)(struct kvm_vcpu *vcpu); 399 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 400 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 401 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 402 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 403 }; 404 405 struct kvmppc_slb { 406 u64 esid; 407 u64 vsid; 408 u64 orige; 409 u64 origv; 410 bool valid : 1; 411 bool Ks : 1; 412 bool Kp : 1; 413 bool nx : 1; 414 bool large : 1; /* PTEs are 16MB */ 415 bool tb : 1; /* 1TB segment */ 416 bool class : 1; 417 u8 base_page_size; /* MMU_PAGE_xxx */ 418 }; 419 420 /* Struct used to accumulate timing information in HV real mode code */ 421 struct kvmhv_tb_accumulator { 422 u64 seqcount; /* used to synchronize access, also count * 2 */ 423 u64 tb_total; /* total time in timebase ticks */ 424 u64 tb_min; /* min time */ 425 u64 tb_max; /* max time */ 426 }; 427 428 #ifdef CONFIG_PPC_BOOK3S_64 429 struct kvmppc_irq_map { 430 u32 r_hwirq; 431 u32 v_hwirq; 432 struct irq_desc *desc; 433 }; 434 435 #define KVMPPC_PIRQ_MAPPED 1024 436 struct kvmppc_passthru_irqmap { 437 int n_mapped; 438 struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; 439 }; 440 #endif 441 442 # ifdef CONFIG_PPC_FSL_BOOK3E 443 #define KVMPPC_BOOKE_IAC_NUM 2 444 #define KVMPPC_BOOKE_DAC_NUM 2 445 # else 446 #define KVMPPC_BOOKE_IAC_NUM 4 447 #define KVMPPC_BOOKE_DAC_NUM 2 448 # endif 449 #define KVMPPC_BOOKE_MAX_IAC 4 450 #define KVMPPC_BOOKE_MAX_DAC 2 451 452 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 453 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 454 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 455 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 456 457 #define KVMPPC_IRQ_DEFAULT 0 458 #define KVMPPC_IRQ_MPIC 1 459 #define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ 460 #define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ 461 462 #define MMIO_HPTE_CACHE_SIZE 4 463 464 struct mmio_hpte_cache_entry { 465 unsigned long hpte_v; 466 unsigned long hpte_r; 467 unsigned long rpte; 468 unsigned long pte_index; 469 unsigned long eaddr; 470 unsigned long slb_v; 471 long mmio_update; 472 unsigned int slb_base_pshift; 473 }; 474 475 struct mmio_hpte_cache { 476 struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; 477 unsigned int index; 478 }; 479 480 #define KVMPPC_VSX_COPY_NONE 0 481 #define KVMPPC_VSX_COPY_WORD 1 482 #define KVMPPC_VSX_COPY_DWORD 2 483 #define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 484 #define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 485 486 #define KVMPPC_VMX_COPY_BYTE 8 487 #define KVMPPC_VMX_COPY_HWORD 9 488 #define KVMPPC_VMX_COPY_WORD 10 489 #define KVMPPC_VMX_COPY_DWORD 11 490 491 struct openpic; 492 493 /* W0 and W1 of a XIVE thread management context */ 494 union xive_tma_w01 { 495 struct { 496 u8 nsr; 497 u8 cppr; 498 u8 ipb; 499 u8 lsmfb; 500 u8 ack; 501 u8 inc; 502 u8 age; 503 u8 pipr; 504 }; 505 __be64 w01; 506 }; 507 508 struct kvm_vcpu_arch { 509 ulong host_stack; 510 u32 host_pid; 511 #ifdef CONFIG_PPC_BOOK3S 512 struct kvmppc_slb slb[64]; 513 int slb_max; /* 1 + index of last valid entry in slb[] */ 514 int slb_nr; /* total number of entries in SLB */ 515 struct kvmppc_mmu mmu; 516 struct kvmppc_vcpu_book3s *book3s; 517 #endif 518 #ifdef CONFIG_PPC_BOOK3S_32 519 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 520 #endif 521 522 struct pt_regs regs; 523 524 struct thread_fp_state fp; 525 526 #ifdef CONFIG_SPE 527 ulong evr[32]; 528 ulong spefscr; 529 ulong host_spefscr; 530 u64 acc; 531 #endif 532 #ifdef CONFIG_ALTIVEC 533 struct thread_vr_state vr; 534 #endif 535 536 #ifdef CONFIG_KVM_BOOKE_HV 537 u32 host_mas4; 538 u32 host_mas6; 539 u32 shadow_epcr; 540 u32 shadow_msrp; 541 u32 eplc; 542 u32 epsc; 543 u32 oldpir; 544 #endif 545 546 #if defined(CONFIG_BOOKE) 547 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 548 u32 epcr; 549 #endif 550 #endif 551 552 #ifdef CONFIG_PPC_BOOK3S 553 /* For Gekko paired singles */ 554 u32 qpr[32]; 555 #endif 556 557 #ifdef CONFIG_PPC_BOOK3S 558 ulong tar; 559 #endif 560 561 #ifdef CONFIG_PPC_BOOK3S 562 ulong hflags; 563 ulong guest_owned_ext; 564 ulong purr; 565 ulong spurr; 566 ulong ic; 567 ulong dscr; 568 ulong amr; 569 ulong uamor; 570 ulong iamr; 571 u32 ctrl; 572 u32 dabrx; 573 ulong dabr; 574 ulong dawr; 575 ulong dawrx; 576 ulong ciabr; 577 ulong cfar; 578 ulong ppr; 579 u32 pspb; 580 ulong fscr; 581 ulong shadow_fscr; 582 ulong ebbhr; 583 ulong ebbrr; 584 ulong bescr; 585 ulong csigr; 586 ulong tacr; 587 ulong tcscr; 588 ulong acop; 589 ulong wort; 590 ulong tid; 591 ulong psscr; 592 ulong hfscr; 593 ulong shadow_srr1; 594 #endif 595 u32 vrsave; /* also USPRG0 */ 596 u32 mmucr; 597 /* shadow_msr is unused for BookE HV */ 598 ulong shadow_msr; 599 ulong csrr0; 600 ulong csrr1; 601 ulong dsrr0; 602 ulong dsrr1; 603 ulong mcsrr0; 604 ulong mcsrr1; 605 ulong mcsr; 606 ulong dec; 607 #ifdef CONFIG_BOOKE 608 u32 decar; 609 #endif 610 /* Time base value when we entered the guest */ 611 u64 entry_tb; 612 u64 entry_vtb; 613 u64 entry_ic; 614 u32 tcr; 615 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 616 u32 ivor[64]; 617 ulong ivpr; 618 u32 pvr; 619 620 u32 shadow_pid; 621 u32 shadow_pid1; 622 u32 pid; 623 u32 swap_pid; 624 625 u32 ccr0; 626 u32 ccr1; 627 u32 dbsr; 628 629 u64 mmcr[5]; 630 u32 pmc[8]; 631 u32 spmc[2]; 632 u64 siar; 633 u64 sdar; 634 u64 sier; 635 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 636 u64 tfhar; 637 u64 texasr; 638 u64 tfiar; 639 u64 orig_texasr; 640 641 u32 cr_tm; 642 u64 xer_tm; 643 u64 lr_tm; 644 u64 ctr_tm; 645 u64 amr_tm; 646 u64 ppr_tm; 647 u64 dscr_tm; 648 u64 tar_tm; 649 650 ulong gpr_tm[32]; 651 652 struct thread_fp_state fp_tm; 653 654 struct thread_vr_state vr_tm; 655 u32 vrsave_tm; /* also USPRG0 */ 656 #endif 657 658 #ifdef CONFIG_KVM_EXIT_TIMING 659 struct mutex exit_timing_lock; 660 struct kvmppc_exit_timing timing_exit; 661 struct kvmppc_exit_timing timing_last_enter; 662 u32 last_exit_type; 663 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 664 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 665 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 666 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 667 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 668 u64 timing_last_exit; 669 struct dentry *debugfs_exit_timing; 670 #endif 671 672 #ifdef CONFIG_PPC_BOOK3S 673 ulong fault_dar; 674 u32 fault_dsisr; 675 unsigned long intr_msr; 676 ulong fault_gpa; /* guest real address of page fault (POWER9) */ 677 #endif 678 679 #ifdef CONFIG_BOOKE 680 ulong fault_dear; 681 ulong fault_esr; 682 ulong queued_dear; 683 ulong queued_esr; 684 spinlock_t wdt_lock; 685 struct timer_list wdt_timer; 686 u32 tlbcfg[4]; 687 u32 tlbps[4]; 688 u32 mmucfg; 689 u32 eptcfg; 690 u32 epr; 691 u64 sprg9; 692 u32 pwrmgtcr0; 693 u32 crit_save; 694 /* guest debug registers*/ 695 struct debug_reg dbg_reg; 696 #endif 697 gpa_t paddr_accessed; 698 gva_t vaddr_accessed; 699 pgd_t *pgdir; 700 701 u16 io_gpr; /* GPR used as IO source/target */ 702 u8 mmio_host_swabbed; 703 u8 mmio_sign_extend; 704 /* conversion between single and double precision */ 705 u8 mmio_sp64_extend; 706 /* 707 * Number of simulations for vsx. 708 * If we use 2*8bytes to simulate 1*16bytes, 709 * then the number should be 2 and 710 * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. 711 * If we use 4*4bytes to simulate 1*16bytes, 712 * the number should be 4 and 713 * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. 714 */ 715 u8 mmio_vsx_copy_nums; 716 u8 mmio_vsx_offset; 717 u8 mmio_vmx_copy_nums; 718 u8 mmio_vmx_offset; 719 u8 mmio_copy_type; 720 u8 osi_needed; 721 u8 osi_enabled; 722 u8 papr_enabled; 723 u8 watchdog_enabled; 724 u8 sane; 725 u8 cpu_type; 726 u8 hcall_needed; 727 u8 epr_flags; /* KVMPPC_EPR_xxx */ 728 u8 epr_needed; 729 u8 external_oneshot; /* clear external irq after delivery */ 730 731 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 732 733 struct hrtimer dec_timer; 734 u64 dec_jiffies; 735 u64 dec_expires; 736 unsigned long pending_exceptions; 737 u8 ceded; 738 u8 prodded; 739 u8 doorbell_request; 740 u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ 741 u32 last_inst; 742 743 struct swait_queue_head *wqp; 744 struct kvmppc_vcore *vcore; 745 int ret; 746 int trap; 747 int state; 748 int ptid; 749 int thread_cpu; 750 int prev_cpu; 751 bool timer_running; 752 wait_queue_head_t cpu_run; 753 struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ 754 755 struct kvm_vcpu_arch_shared *shared; 756 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 757 bool shared_big_endian; 758 #endif 759 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 760 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 761 bool disable_kernel_nx; 762 763 int irq_type; /* one of KVM_IRQ_* */ 764 int irq_cpu_id; 765 struct openpic *mpic; /* KVM_IRQ_MPIC */ 766 #ifdef CONFIG_KVM_XICS 767 struct kvmppc_icp *icp; /* XICS presentation controller */ 768 struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ 769 __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ 770 u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ 771 u8 xive_esc_on; /* Is the escalation irq enabled ? */ 772 union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ 773 u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ 774 u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ 775 #endif 776 777 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 778 struct kvm_vcpu_arch_shared shregs; 779 780 struct mmio_hpte_cache mmio_cache; 781 unsigned long pgfault_addr; 782 long pgfault_index; 783 unsigned long pgfault_hpte[2]; 784 struct mmio_hpte_cache_entry *pgfault_cache; 785 786 struct task_struct *run_task; 787 struct kvm_run *kvm_run; 788 789 spinlock_t vpa_update_lock; 790 struct kvmppc_vpa vpa; 791 struct kvmppc_vpa dtl; 792 struct dtl_entry *dtl_ptr; 793 unsigned long dtl_index; 794 u64 stolen_logged; 795 struct kvmppc_vpa slb_shadow; 796 797 spinlock_t tbacct_lock; 798 u64 busy_stolen; 799 u64 busy_preempt; 800 801 u32 emul_inst; 802 803 u32 online; 804 805 /* For support of nested guests */ 806 struct kvm_nested_guest *nested; 807 u32 nested_vcpu_id; 808 gpa_t nested_io_gpr; 809 #endif 810 811 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 812 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 813 u64 cur_tb_start; /* when it started */ 814 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 815 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 816 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 817 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 818 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 819 820 struct dentry *debugfs_dir; 821 struct dentry *debugfs_timings; 822 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 823 }; 824 825 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 826 #define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) 827 #define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) 828 829 /* Values for vcpu->arch.state */ 830 #define KVMPPC_VCPU_NOTREADY 0 831 #define KVMPPC_VCPU_RUNNABLE 1 832 #define KVMPPC_VCPU_BUSY_IN_HOST 2 833 834 /* Values for vcpu->arch.io_gpr */ 835 #define KVM_MMIO_REG_MASK 0x003f 836 #define KVM_MMIO_REG_EXT_MASK 0xffc0 837 #define KVM_MMIO_REG_GPR 0x0000 838 #define KVM_MMIO_REG_FPR 0x0040 839 #define KVM_MMIO_REG_QPR 0x0080 840 #define KVM_MMIO_REG_FQPR 0x00c0 841 #define KVM_MMIO_REG_VSX 0x0100 842 #define KVM_MMIO_REG_VMX 0x0180 843 #define KVM_MMIO_REG_NESTED_GPR 0xffc0 844 845 846 #define __KVM_HAVE_ARCH_WQP 847 #define __KVM_HAVE_CREATE_DEVICE 848 849 static inline void kvm_arch_hardware_disable(void) {} 850 static inline void kvm_arch_hardware_unsetup(void) {} 851 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 852 static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} 853 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 854 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 855 static inline void kvm_arch_exit(void) {} 856 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 857 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 858 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 859 860 #endif /* __POWERPC_KVM_HOST_H__ */ 861