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 39 #define KVM_MAX_VCPUS NR_CPUS 40 #define KVM_MAX_VCORES NR_CPUS 41 #define KVM_USER_MEM_SLOTS 512 42 43 #include <asm/cputhreads.h> 44 #define KVM_MAX_VCPU_ID (threads_per_subcore * KVM_MAX_VCORES) 45 46 #ifdef CONFIG_KVM_MMIO 47 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 48 #endif 49 #define KVM_HALT_POLL_NS_DEFAULT 500000 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 8 57 #define KVM_REQ_EPR_EXIT 9 58 59 #include <linux/mmu_notifier.h> 60 61 #define KVM_ARCH_WANT_MMU_NOTIFIER 62 63 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 64 extern int kvm_unmap_hva_range(struct kvm *kvm, 65 unsigned long start, unsigned long end); 66 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 67 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 68 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 69 70 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 71 unsigned long address) 72 { 73 } 74 75 #define HPTEG_CACHE_NUM (1 << 15) 76 #define HPTEG_HASH_BITS_PTE 13 77 #define HPTEG_HASH_BITS_PTE_LONG 12 78 #define HPTEG_HASH_BITS_VPTE 13 79 #define HPTEG_HASH_BITS_VPTE_LONG 5 80 #define HPTEG_HASH_BITS_VPTE_64K 11 81 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 82 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 83 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 84 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 85 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 86 87 /* Physical Address Mask - allowed range of real mode RAM access */ 88 #define KVM_PAM 0x0fffffffffffffffULL 89 90 struct lppaca; 91 struct slb_shadow; 92 struct dtl_entry; 93 94 struct kvmppc_vcpu_book3s; 95 struct kvmppc_book3s_shadow_vcpu; 96 97 struct kvm_vm_stat { 98 u32 remote_tlb_flush; 99 }; 100 101 struct kvm_vcpu_stat { 102 u32 sum_exits; 103 u32 mmio_exits; 104 u32 signal_exits; 105 u32 light_exits; 106 /* Account for special types of light exits: */ 107 u32 itlb_real_miss_exits; 108 u32 itlb_virt_miss_exits; 109 u32 dtlb_real_miss_exits; 110 u32 dtlb_virt_miss_exits; 111 u32 syscall_exits; 112 u32 isi_exits; 113 u32 dsi_exits; 114 u32 emulated_inst_exits; 115 u32 dec_exits; 116 u32 ext_intr_exits; 117 u32 halt_successful_poll; 118 u32 halt_attempted_poll; 119 u32 halt_poll_invalid; 120 u32 halt_wakeup; 121 u32 dbell_exits; 122 u32 gdbell_exits; 123 u32 ld; 124 u32 st; 125 #ifdef CONFIG_PPC_BOOK3S 126 u32 pf_storage; 127 u32 pf_instruc; 128 u32 sp_storage; 129 u32 sp_instruc; 130 u32 queue_intr; 131 u32 ld_slow; 132 u32 st_slow; 133 #endif 134 }; 135 136 enum kvm_exit_types { 137 MMIO_EXITS, 138 SIGNAL_EXITS, 139 ITLB_REAL_MISS_EXITS, 140 ITLB_VIRT_MISS_EXITS, 141 DTLB_REAL_MISS_EXITS, 142 DTLB_VIRT_MISS_EXITS, 143 SYSCALL_EXITS, 144 ISI_EXITS, 145 DSI_EXITS, 146 EMULATED_INST_EXITS, 147 EMULATED_MTMSRWE_EXITS, 148 EMULATED_WRTEE_EXITS, 149 EMULATED_MTSPR_EXITS, 150 EMULATED_MFSPR_EXITS, 151 EMULATED_MTMSR_EXITS, 152 EMULATED_MFMSR_EXITS, 153 EMULATED_TLBSX_EXITS, 154 EMULATED_TLBWE_EXITS, 155 EMULATED_RFI_EXITS, 156 EMULATED_RFCI_EXITS, 157 EMULATED_RFDI_EXITS, 158 DEC_EXITS, 159 EXT_INTR_EXITS, 160 HALT_WAKEUP, 161 USR_PR_INST, 162 FP_UNAVAIL, 163 DEBUG_EXITS, 164 TIMEINGUEST, 165 DBELL_EXITS, 166 GDBELL_EXITS, 167 __NUMBER_OF_KVM_EXIT_TYPES 168 }; 169 170 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 171 struct kvmppc_exit_timing { 172 union { 173 u64 tv64; 174 struct { 175 u32 tbu, tbl; 176 } tv32; 177 }; 178 }; 179 180 struct kvmppc_pginfo { 181 unsigned long pfn; 182 atomic_t refcnt; 183 }; 184 185 struct kvmppc_spapr_tce_table { 186 struct list_head list; 187 struct kvm *kvm; 188 u64 liobn; 189 struct rcu_head rcu; 190 u32 page_shift; 191 u64 offset; /* in pages */ 192 u64 size; /* window size in pages */ 193 struct page *pages[0]; 194 }; 195 196 /* XICS components, defined in book3s_xics.c */ 197 struct kvmppc_xics; 198 struct kvmppc_icp; 199 200 /* 201 * The reverse mapping array has one entry for each HPTE, 202 * which stores the guest's view of the second word of the HPTE 203 * (including the guest physical address of the mapping), 204 * plus forward and backward pointers in a doubly-linked ring 205 * of HPTEs that map the same host page. The pointers in this 206 * ring are 32-bit HPTE indexes, to save space. 207 */ 208 struct revmap_entry { 209 unsigned long guest_rpte; 210 unsigned int forw, back; 211 }; 212 213 /* 214 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 215 * and bit 32 as a present flag. The bottom 32 bits are the 216 * index in the guest HPT of a HPTE that points to the page. 217 */ 218 #define KVMPPC_RMAP_LOCK_BIT 63 219 #define KVMPPC_RMAP_RC_SHIFT 32 220 #define KVMPPC_RMAP_CHG_SHIFT 48 221 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 222 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 223 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 224 #define KVMPPC_RMAP_PRESENT 0x100000000ul 225 #define KVMPPC_RMAP_INDEX 0xfffffffful 226 227 struct kvm_arch_memory_slot { 228 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 229 unsigned long *rmap; 230 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 231 }; 232 233 struct kvm_arch { 234 unsigned int lpid; 235 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 236 unsigned long hpt_virt; 237 struct revmap_entry *revmap; 238 unsigned int host_lpid; 239 unsigned long host_lpcr; 240 unsigned long sdr1; 241 unsigned long host_sdr1; 242 int tlbie_lock; 243 unsigned long lpcr; 244 unsigned long vrma_slb_v; 245 int hpte_setup_done; 246 u32 hpt_order; 247 atomic_t vcpus_running; 248 u32 online_vcores; 249 unsigned long hpt_npte; 250 unsigned long hpt_mask; 251 atomic_t hpte_mod_interest; 252 cpumask_t need_tlb_flush; 253 int hpt_cma_alloc; 254 struct dentry *debugfs_dir; 255 struct dentry *htab_dentry; 256 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 257 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 258 struct mutex hpt_mutex; 259 #endif 260 #ifdef CONFIG_PPC_BOOK3S_64 261 struct list_head spapr_tce_tables; 262 struct list_head rtas_tokens; 263 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 264 #endif 265 #ifdef CONFIG_KVM_MPIC 266 struct openpic *mpic; 267 #endif 268 #ifdef CONFIG_KVM_XICS 269 struct kvmppc_xics *xics; 270 #endif 271 struct kvmppc_ops *kvm_ops; 272 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 273 /* This array can grow quite large, keep it at the end */ 274 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 275 #endif 276 }; 277 278 /* 279 * Struct for a virtual core. 280 * Note: entry_exit_map combines a bitmap of threads that have entered 281 * in the bottom 8 bits and a bitmap of threads that have exited in the 282 * next 8 bits. This is so that we can atomically set the entry bit 283 * iff the exit map is 0 without taking a lock. 284 */ 285 struct kvmppc_vcore { 286 int n_runnable; 287 int num_threads; 288 int entry_exit_map; 289 int napping_threads; 290 int first_vcpuid; 291 u16 pcpu; 292 u16 last_cpu; 293 u8 vcore_state; 294 u8 in_guest; 295 struct kvmppc_vcore *master_vcore; 296 struct list_head runnable_threads; 297 struct list_head preempt_list; 298 spinlock_t lock; 299 struct swait_queue_head wq; 300 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 301 u64 stolen_tb; 302 u64 preempt_tb; 303 struct kvm_vcpu *runner; 304 struct kvm *kvm; 305 u64 tb_offset; /* guest timebase - host timebase */ 306 ulong lpcr; 307 u32 arch_compat; 308 ulong pcr; 309 ulong dpdes; /* doorbell state (POWER8) */ 310 ulong conferring_threads; 311 }; 312 313 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 314 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 315 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 316 317 /* This bit is used when a vcore exit is triggered from outside the vcore */ 318 #define VCORE_EXIT_REQ 0x10000 319 320 /* 321 * Values for vcore_state. 322 * Note that these are arranged such that lower values 323 * (< VCORE_SLEEPING) don't require stolen time accounting 324 * on load/unload, and higher values do. 325 */ 326 #define VCORE_INACTIVE 0 327 #define VCORE_PREEMPT 1 328 #define VCORE_PIGGYBACK 2 329 #define VCORE_SLEEPING 3 330 #define VCORE_RUNNING 4 331 #define VCORE_EXITING 5 332 333 /* 334 * Struct used to manage memory for a virtual processor area 335 * registered by a PAPR guest. There are three types of area 336 * that a guest can register. 337 */ 338 struct kvmppc_vpa { 339 unsigned long gpa; /* Current guest phys addr */ 340 void *pinned_addr; /* Address in kernel linear mapping */ 341 void *pinned_end; /* End of region */ 342 unsigned long next_gpa; /* Guest phys addr for update */ 343 unsigned long len; /* Number of bytes required */ 344 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 345 bool dirty; /* true => area has been modified by kernel */ 346 }; 347 348 struct kvmppc_pte { 349 ulong eaddr; 350 u64 vpage; 351 ulong raddr; 352 bool may_read : 1; 353 bool may_write : 1; 354 bool may_execute : 1; 355 u8 page_size; /* MMU_PAGE_xxx */ 356 }; 357 358 struct kvmppc_mmu { 359 /* book3s_64 only */ 360 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 361 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 362 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 363 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 364 void (*slbia)(struct kvm_vcpu *vcpu); 365 /* book3s */ 366 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 367 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 368 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 369 struct kvmppc_pte *pte, bool data, bool iswrite); 370 void (*reset_msr)(struct kvm_vcpu *vcpu); 371 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 372 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 373 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 374 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 375 }; 376 377 struct kvmppc_slb { 378 u64 esid; 379 u64 vsid; 380 u64 orige; 381 u64 origv; 382 bool valid : 1; 383 bool Ks : 1; 384 bool Kp : 1; 385 bool nx : 1; 386 bool large : 1; /* PTEs are 16MB */ 387 bool tb : 1; /* 1TB segment */ 388 bool class : 1; 389 u8 base_page_size; /* MMU_PAGE_xxx */ 390 }; 391 392 /* Struct used to accumulate timing information in HV real mode code */ 393 struct kvmhv_tb_accumulator { 394 u64 seqcount; /* used to synchronize access, also count * 2 */ 395 u64 tb_total; /* total time in timebase ticks */ 396 u64 tb_min; /* min time */ 397 u64 tb_max; /* max time */ 398 }; 399 400 # ifdef CONFIG_PPC_FSL_BOOK3E 401 #define KVMPPC_BOOKE_IAC_NUM 2 402 #define KVMPPC_BOOKE_DAC_NUM 2 403 # else 404 #define KVMPPC_BOOKE_IAC_NUM 4 405 #define KVMPPC_BOOKE_DAC_NUM 2 406 # endif 407 #define KVMPPC_BOOKE_MAX_IAC 4 408 #define KVMPPC_BOOKE_MAX_DAC 2 409 410 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 411 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 412 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 413 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 414 415 #define KVMPPC_IRQ_DEFAULT 0 416 #define KVMPPC_IRQ_MPIC 1 417 #define KVMPPC_IRQ_XICS 2 418 419 struct openpic; 420 421 struct kvm_vcpu_arch { 422 ulong host_stack; 423 u32 host_pid; 424 #ifdef CONFIG_PPC_BOOK3S 425 struct kvmppc_slb slb[64]; 426 int slb_max; /* 1 + index of last valid entry in slb[] */ 427 int slb_nr; /* total number of entries in SLB */ 428 struct kvmppc_mmu mmu; 429 struct kvmppc_vcpu_book3s *book3s; 430 #endif 431 #ifdef CONFIG_PPC_BOOK3S_32 432 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 433 #endif 434 435 ulong gpr[32]; 436 437 struct thread_fp_state fp; 438 439 #ifdef CONFIG_SPE 440 ulong evr[32]; 441 ulong spefscr; 442 ulong host_spefscr; 443 u64 acc; 444 #endif 445 #ifdef CONFIG_ALTIVEC 446 struct thread_vr_state vr; 447 #endif 448 449 #ifdef CONFIG_KVM_BOOKE_HV 450 u32 host_mas4; 451 u32 host_mas6; 452 u32 shadow_epcr; 453 u32 shadow_msrp; 454 u32 eplc; 455 u32 epsc; 456 u32 oldpir; 457 #endif 458 459 #if defined(CONFIG_BOOKE) 460 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 461 u32 epcr; 462 #endif 463 #endif 464 465 #ifdef CONFIG_PPC_BOOK3S 466 /* For Gekko paired singles */ 467 u32 qpr[32]; 468 #endif 469 470 ulong pc; 471 ulong ctr; 472 ulong lr; 473 #ifdef CONFIG_PPC_BOOK3S 474 ulong tar; 475 #endif 476 477 ulong xer; 478 u32 cr; 479 480 #ifdef CONFIG_PPC_BOOK3S 481 ulong hflags; 482 ulong guest_owned_ext; 483 ulong purr; 484 ulong spurr; 485 ulong ic; 486 ulong vtb; 487 ulong dscr; 488 ulong amr; 489 ulong uamor; 490 ulong iamr; 491 u32 ctrl; 492 u32 dabrx; 493 ulong dabr; 494 ulong dawr; 495 ulong dawrx; 496 ulong ciabr; 497 ulong cfar; 498 ulong ppr; 499 u32 pspb; 500 ulong fscr; 501 ulong shadow_fscr; 502 ulong ebbhr; 503 ulong ebbrr; 504 ulong bescr; 505 ulong csigr; 506 ulong tacr; 507 ulong tcscr; 508 ulong acop; 509 ulong wort; 510 ulong shadow_srr1; 511 #endif 512 u32 vrsave; /* also USPRG0 */ 513 u32 mmucr; 514 /* shadow_msr is unused for BookE HV */ 515 ulong shadow_msr; 516 ulong csrr0; 517 ulong csrr1; 518 ulong dsrr0; 519 ulong dsrr1; 520 ulong mcsrr0; 521 ulong mcsrr1; 522 ulong mcsr; 523 u32 dec; 524 #ifdef CONFIG_BOOKE 525 u32 decar; 526 #endif 527 /* Time base value when we entered the guest */ 528 u64 entry_tb; 529 u64 entry_vtb; 530 u64 entry_ic; 531 u32 tcr; 532 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 533 u32 ivor[64]; 534 ulong ivpr; 535 u32 pvr; 536 537 u32 shadow_pid; 538 u32 shadow_pid1; 539 u32 pid; 540 u32 swap_pid; 541 542 u32 ccr0; 543 u32 ccr1; 544 u32 dbsr; 545 546 u64 mmcr[5]; 547 u32 pmc[8]; 548 u32 spmc[2]; 549 u64 siar; 550 u64 sdar; 551 u64 sier; 552 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 553 u64 tfhar; 554 u64 texasr; 555 u64 tfiar; 556 557 u32 cr_tm; 558 u64 lr_tm; 559 u64 ctr_tm; 560 u64 amr_tm; 561 u64 ppr_tm; 562 u64 dscr_tm; 563 u64 tar_tm; 564 565 ulong gpr_tm[32]; 566 567 struct thread_fp_state fp_tm; 568 569 struct thread_vr_state vr_tm; 570 u32 vrsave_tm; /* also USPRG0 */ 571 572 #endif 573 574 #ifdef CONFIG_KVM_EXIT_TIMING 575 struct mutex exit_timing_lock; 576 struct kvmppc_exit_timing timing_exit; 577 struct kvmppc_exit_timing timing_last_enter; 578 u32 last_exit_type; 579 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 580 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 581 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 582 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 583 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 584 u64 timing_last_exit; 585 struct dentry *debugfs_exit_timing; 586 #endif 587 588 #ifdef CONFIG_PPC_BOOK3S 589 ulong fault_dar; 590 u32 fault_dsisr; 591 unsigned long intr_msr; 592 #endif 593 594 #ifdef CONFIG_BOOKE 595 ulong fault_dear; 596 ulong fault_esr; 597 ulong queued_dear; 598 ulong queued_esr; 599 spinlock_t wdt_lock; 600 struct timer_list wdt_timer; 601 u32 tlbcfg[4]; 602 u32 tlbps[4]; 603 u32 mmucfg; 604 u32 eptcfg; 605 u32 epr; 606 u64 sprg9; 607 u32 pwrmgtcr0; 608 u32 crit_save; 609 /* guest debug registers*/ 610 struct debug_reg dbg_reg; 611 #endif 612 gpa_t paddr_accessed; 613 gva_t vaddr_accessed; 614 pgd_t *pgdir; 615 616 u8 io_gpr; /* GPR used as IO source/target */ 617 u8 mmio_host_swabbed; 618 u8 mmio_sign_extend; 619 u8 osi_needed; 620 u8 osi_enabled; 621 u8 papr_enabled; 622 u8 watchdog_enabled; 623 u8 sane; 624 u8 cpu_type; 625 u8 hcall_needed; 626 u8 epr_flags; /* KVMPPC_EPR_xxx */ 627 u8 epr_needed; 628 629 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 630 631 struct hrtimer dec_timer; 632 u64 dec_jiffies; 633 u64 dec_expires; 634 unsigned long pending_exceptions; 635 u8 ceded; 636 u8 prodded; 637 u32 last_inst; 638 639 struct swait_queue_head *wqp; 640 struct kvmppc_vcore *vcore; 641 int ret; 642 int trap; 643 int state; 644 int ptid; 645 int thread_cpu; 646 bool timer_running; 647 wait_queue_head_t cpu_run; 648 649 struct kvm_vcpu_arch_shared *shared; 650 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 651 bool shared_big_endian; 652 #endif 653 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 654 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 655 bool disable_kernel_nx; 656 657 int irq_type; /* one of KVM_IRQ_* */ 658 int irq_cpu_id; 659 struct openpic *mpic; /* KVM_IRQ_MPIC */ 660 #ifdef CONFIG_KVM_XICS 661 struct kvmppc_icp *icp; /* XICS presentation controller */ 662 #endif 663 664 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 665 struct kvm_vcpu_arch_shared shregs; 666 667 unsigned long pgfault_addr; 668 long pgfault_index; 669 unsigned long pgfault_hpte[2]; 670 671 struct list_head run_list; 672 struct task_struct *run_task; 673 struct kvm_run *kvm_run; 674 675 spinlock_t vpa_update_lock; 676 struct kvmppc_vpa vpa; 677 struct kvmppc_vpa dtl; 678 struct dtl_entry *dtl_ptr; 679 unsigned long dtl_index; 680 u64 stolen_logged; 681 struct kvmppc_vpa slb_shadow; 682 683 spinlock_t tbacct_lock; 684 u64 busy_stolen; 685 u64 busy_preempt; 686 687 u32 emul_inst; 688 #endif 689 690 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 691 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 692 u64 cur_tb_start; /* when it started */ 693 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 694 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 695 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 696 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 697 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 698 699 struct dentry *debugfs_dir; 700 struct dentry *debugfs_timings; 701 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 702 }; 703 704 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 705 706 /* Values for vcpu->arch.state */ 707 #define KVMPPC_VCPU_NOTREADY 0 708 #define KVMPPC_VCPU_RUNNABLE 1 709 #define KVMPPC_VCPU_BUSY_IN_HOST 2 710 711 /* Values for vcpu->arch.io_gpr */ 712 #define KVM_MMIO_REG_MASK 0x001f 713 #define KVM_MMIO_REG_EXT_MASK 0xffe0 714 #define KVM_MMIO_REG_GPR 0x0000 715 #define KVM_MMIO_REG_FPR 0x0020 716 #define KVM_MMIO_REG_QPR 0x0040 717 #define KVM_MMIO_REG_FQPR 0x0060 718 719 #define __KVM_HAVE_ARCH_WQP 720 #define __KVM_HAVE_CREATE_DEVICE 721 722 static inline void kvm_arch_hardware_disable(void) {} 723 static inline void kvm_arch_hardware_unsetup(void) {} 724 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 725 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 726 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 727 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 728 static inline void kvm_arch_exit(void) {} 729 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 730 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 731 static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} 732 733 #endif /* __POWERPC_KVM_HOST_H__ */ 734