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 32 42 #define KVM_MEM_SLOTS_NUM KVM_USER_MEM_SLOTS 43 44 #ifdef CONFIG_KVM_MMIO 45 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 46 #endif 47 48 /* These values are internal and can be increased later */ 49 #define KVM_NR_IRQCHIPS 1 50 #define KVM_IRQCHIP_NUM_PINS 256 51 52 #include <linux/mmu_notifier.h> 53 54 #define KVM_ARCH_WANT_MMU_NOTIFIER 55 56 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 57 extern int kvm_unmap_hva_range(struct kvm *kvm, 58 unsigned long start, unsigned long end); 59 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 60 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 61 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 62 63 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 64 unsigned long address) 65 { 66 } 67 68 #define HPTEG_CACHE_NUM (1 << 15) 69 #define HPTEG_HASH_BITS_PTE 13 70 #define HPTEG_HASH_BITS_PTE_LONG 12 71 #define HPTEG_HASH_BITS_VPTE 13 72 #define HPTEG_HASH_BITS_VPTE_LONG 5 73 #define HPTEG_HASH_BITS_VPTE_64K 11 74 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 75 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 76 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 77 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 78 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 79 80 /* Physical Address Mask - allowed range of real mode RAM access */ 81 #define KVM_PAM 0x0fffffffffffffffULL 82 83 struct lppaca; 84 struct slb_shadow; 85 struct dtl_entry; 86 87 struct kvmppc_vcpu_book3s; 88 struct kvmppc_book3s_shadow_vcpu; 89 90 struct kvm_vm_stat { 91 u32 remote_tlb_flush; 92 }; 93 94 struct kvm_vcpu_stat { 95 u32 sum_exits; 96 u32 mmio_exits; 97 u32 signal_exits; 98 u32 light_exits; 99 /* Account for special types of light exits: */ 100 u32 itlb_real_miss_exits; 101 u32 itlb_virt_miss_exits; 102 u32 dtlb_real_miss_exits; 103 u32 dtlb_virt_miss_exits; 104 u32 syscall_exits; 105 u32 isi_exits; 106 u32 dsi_exits; 107 u32 emulated_inst_exits; 108 u32 dec_exits; 109 u32 ext_intr_exits; 110 u32 halt_successful_poll; 111 u32 halt_attempted_poll; 112 u32 halt_wakeup; 113 u32 dbell_exits; 114 u32 gdbell_exits; 115 u32 ld; 116 u32 st; 117 #ifdef CONFIG_PPC_BOOK3S 118 u32 pf_storage; 119 u32 pf_instruc; 120 u32 sp_storage; 121 u32 sp_instruc; 122 u32 queue_intr; 123 u32 ld_slow; 124 u32 st_slow; 125 #endif 126 }; 127 128 enum kvm_exit_types { 129 MMIO_EXITS, 130 SIGNAL_EXITS, 131 ITLB_REAL_MISS_EXITS, 132 ITLB_VIRT_MISS_EXITS, 133 DTLB_REAL_MISS_EXITS, 134 DTLB_VIRT_MISS_EXITS, 135 SYSCALL_EXITS, 136 ISI_EXITS, 137 DSI_EXITS, 138 EMULATED_INST_EXITS, 139 EMULATED_MTMSRWE_EXITS, 140 EMULATED_WRTEE_EXITS, 141 EMULATED_MTSPR_EXITS, 142 EMULATED_MFSPR_EXITS, 143 EMULATED_MTMSR_EXITS, 144 EMULATED_MFMSR_EXITS, 145 EMULATED_TLBSX_EXITS, 146 EMULATED_TLBWE_EXITS, 147 EMULATED_RFI_EXITS, 148 EMULATED_RFCI_EXITS, 149 EMULATED_RFDI_EXITS, 150 DEC_EXITS, 151 EXT_INTR_EXITS, 152 HALT_WAKEUP, 153 USR_PR_INST, 154 FP_UNAVAIL, 155 DEBUG_EXITS, 156 TIMEINGUEST, 157 DBELL_EXITS, 158 GDBELL_EXITS, 159 __NUMBER_OF_KVM_EXIT_TYPES 160 }; 161 162 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 163 struct kvmppc_exit_timing { 164 union { 165 u64 tv64; 166 struct { 167 u32 tbu, tbl; 168 } tv32; 169 }; 170 }; 171 172 struct kvmppc_pginfo { 173 unsigned long pfn; 174 atomic_t refcnt; 175 }; 176 177 struct kvmppc_spapr_tce_table { 178 struct list_head list; 179 struct kvm *kvm; 180 u64 liobn; 181 u32 window_size; 182 struct page *pages[0]; 183 }; 184 185 /* XICS components, defined in book3s_xics.c */ 186 struct kvmppc_xics; 187 struct kvmppc_icp; 188 189 /* 190 * The reverse mapping array has one entry for each HPTE, 191 * which stores the guest's view of the second word of the HPTE 192 * (including the guest physical address of the mapping), 193 * plus forward and backward pointers in a doubly-linked ring 194 * of HPTEs that map the same host page. The pointers in this 195 * ring are 32-bit HPTE indexes, to save space. 196 */ 197 struct revmap_entry { 198 unsigned long guest_rpte; 199 unsigned int forw, back; 200 }; 201 202 /* 203 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 204 * and bit 32 as a present flag. The bottom 32 bits are the 205 * index in the guest HPT of a HPTE that points to the page. 206 */ 207 #define KVMPPC_RMAP_LOCK_BIT 63 208 #define KVMPPC_RMAP_RC_SHIFT 32 209 #define KVMPPC_RMAP_CHG_SHIFT 48 210 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 211 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 212 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 213 #define KVMPPC_RMAP_PRESENT 0x100000000ul 214 #define KVMPPC_RMAP_INDEX 0xfffffffful 215 216 struct kvm_arch_memory_slot { 217 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 218 unsigned long *rmap; 219 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 220 }; 221 222 struct kvm_arch { 223 unsigned int lpid; 224 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 225 unsigned long hpt_virt; 226 struct revmap_entry *revmap; 227 unsigned int host_lpid; 228 unsigned long host_lpcr; 229 unsigned long sdr1; 230 unsigned long host_sdr1; 231 int tlbie_lock; 232 unsigned long lpcr; 233 unsigned long vrma_slb_v; 234 int hpte_setup_done; 235 u32 hpt_order; 236 atomic_t vcpus_running; 237 u32 online_vcores; 238 unsigned long hpt_npte; 239 unsigned long hpt_mask; 240 atomic_t hpte_mod_interest; 241 cpumask_t need_tlb_flush; 242 int hpt_cma_alloc; 243 struct dentry *debugfs_dir; 244 struct dentry *htab_dentry; 245 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 246 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 247 struct mutex hpt_mutex; 248 #endif 249 #ifdef CONFIG_PPC_BOOK3S_64 250 struct list_head spapr_tce_tables; 251 struct list_head rtas_tokens; 252 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 253 #endif 254 #ifdef CONFIG_KVM_MPIC 255 struct openpic *mpic; 256 #endif 257 #ifdef CONFIG_KVM_XICS 258 struct kvmppc_xics *xics; 259 #endif 260 struct kvmppc_ops *kvm_ops; 261 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 262 /* This array can grow quite large, keep it at the end */ 263 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 264 #endif 265 }; 266 267 /* 268 * Struct for a virtual core. 269 * Note: entry_exit_map combines a bitmap of threads that have entered 270 * in the bottom 8 bits and a bitmap of threads that have exited in the 271 * next 8 bits. This is so that we can atomically set the entry bit 272 * iff the exit map is 0 without taking a lock. 273 */ 274 struct kvmppc_vcore { 275 int n_runnable; 276 int num_threads; 277 int entry_exit_map; 278 int napping_threads; 279 int first_vcpuid; 280 u16 pcpu; 281 u16 last_cpu; 282 u8 vcore_state; 283 u8 in_guest; 284 struct kvmppc_vcore *master_vcore; 285 struct list_head runnable_threads; 286 struct list_head preempt_list; 287 spinlock_t lock; 288 wait_queue_head_t wq; 289 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 290 u64 stolen_tb; 291 u64 preempt_tb; 292 struct kvm_vcpu *runner; 293 struct kvm *kvm; 294 u64 tb_offset; /* guest timebase - host timebase */ 295 ulong lpcr; 296 u32 arch_compat; 297 ulong pcr; 298 ulong dpdes; /* doorbell state (POWER8) */ 299 void *mpp_buffer; /* Micro Partition Prefetch buffer */ 300 bool mpp_buffer_is_valid; 301 ulong conferring_threads; 302 }; 303 304 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 305 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 306 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 307 308 /* This bit is used when a vcore exit is triggered from outside the vcore */ 309 #define VCORE_EXIT_REQ 0x10000 310 311 /* 312 * Values for vcore_state. 313 * Note that these are arranged such that lower values 314 * (< VCORE_SLEEPING) don't require stolen time accounting 315 * on load/unload, and higher values do. 316 */ 317 #define VCORE_INACTIVE 0 318 #define VCORE_PREEMPT 1 319 #define VCORE_PIGGYBACK 2 320 #define VCORE_SLEEPING 3 321 #define VCORE_RUNNING 4 322 #define VCORE_EXITING 5 323 324 /* 325 * Struct used to manage memory for a virtual processor area 326 * registered by a PAPR guest. There are three types of area 327 * that a guest can register. 328 */ 329 struct kvmppc_vpa { 330 unsigned long gpa; /* Current guest phys addr */ 331 void *pinned_addr; /* Address in kernel linear mapping */ 332 void *pinned_end; /* End of region */ 333 unsigned long next_gpa; /* Guest phys addr for update */ 334 unsigned long len; /* Number of bytes required */ 335 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 336 bool dirty; /* true => area has been modified by kernel */ 337 }; 338 339 struct kvmppc_pte { 340 ulong eaddr; 341 u64 vpage; 342 ulong raddr; 343 bool may_read : 1; 344 bool may_write : 1; 345 bool may_execute : 1; 346 u8 page_size; /* MMU_PAGE_xxx */ 347 }; 348 349 struct kvmppc_mmu { 350 /* book3s_64 only */ 351 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 352 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 353 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 354 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 355 void (*slbia)(struct kvm_vcpu *vcpu); 356 /* book3s */ 357 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 358 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 359 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 360 struct kvmppc_pte *pte, bool data, bool iswrite); 361 void (*reset_msr)(struct kvm_vcpu *vcpu); 362 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 363 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 364 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 365 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 366 }; 367 368 struct kvmppc_slb { 369 u64 esid; 370 u64 vsid; 371 u64 orige; 372 u64 origv; 373 bool valid : 1; 374 bool Ks : 1; 375 bool Kp : 1; 376 bool nx : 1; 377 bool large : 1; /* PTEs are 16MB */ 378 bool tb : 1; /* 1TB segment */ 379 bool class : 1; 380 u8 base_page_size; /* MMU_PAGE_xxx */ 381 }; 382 383 /* Struct used to accumulate timing information in HV real mode code */ 384 struct kvmhv_tb_accumulator { 385 u64 seqcount; /* used to synchronize access, also count * 2 */ 386 u64 tb_total; /* total time in timebase ticks */ 387 u64 tb_min; /* min time */ 388 u64 tb_max; /* max time */ 389 }; 390 391 # ifdef CONFIG_PPC_FSL_BOOK3E 392 #define KVMPPC_BOOKE_IAC_NUM 2 393 #define KVMPPC_BOOKE_DAC_NUM 2 394 # else 395 #define KVMPPC_BOOKE_IAC_NUM 4 396 #define KVMPPC_BOOKE_DAC_NUM 2 397 # endif 398 #define KVMPPC_BOOKE_MAX_IAC 4 399 #define KVMPPC_BOOKE_MAX_DAC 2 400 401 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 402 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 403 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 404 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 405 406 #define KVMPPC_IRQ_DEFAULT 0 407 #define KVMPPC_IRQ_MPIC 1 408 #define KVMPPC_IRQ_XICS 2 409 410 struct openpic; 411 412 struct kvm_vcpu_arch { 413 ulong host_stack; 414 u32 host_pid; 415 #ifdef CONFIG_PPC_BOOK3S 416 struct kvmppc_slb slb[64]; 417 int slb_max; /* 1 + index of last valid entry in slb[] */ 418 int slb_nr; /* total number of entries in SLB */ 419 struct kvmppc_mmu mmu; 420 struct kvmppc_vcpu_book3s *book3s; 421 #endif 422 #ifdef CONFIG_PPC_BOOK3S_32 423 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 424 #endif 425 426 ulong gpr[32]; 427 428 struct thread_fp_state fp; 429 430 #ifdef CONFIG_SPE 431 ulong evr[32]; 432 ulong spefscr; 433 ulong host_spefscr; 434 u64 acc; 435 #endif 436 #ifdef CONFIG_ALTIVEC 437 struct thread_vr_state vr; 438 #endif 439 440 #ifdef CONFIG_KVM_BOOKE_HV 441 u32 host_mas4; 442 u32 host_mas6; 443 u32 shadow_epcr; 444 u32 shadow_msrp; 445 u32 eplc; 446 u32 epsc; 447 u32 oldpir; 448 #endif 449 450 #if defined(CONFIG_BOOKE) 451 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 452 u32 epcr; 453 #endif 454 #endif 455 456 #ifdef CONFIG_PPC_BOOK3S 457 /* For Gekko paired singles */ 458 u32 qpr[32]; 459 #endif 460 461 ulong pc; 462 ulong ctr; 463 ulong lr; 464 #ifdef CONFIG_PPC_BOOK3S 465 ulong tar; 466 #endif 467 468 ulong xer; 469 u32 cr; 470 471 #ifdef CONFIG_PPC_BOOK3S 472 ulong hflags; 473 ulong guest_owned_ext; 474 ulong purr; 475 ulong spurr; 476 ulong ic; 477 ulong vtb; 478 ulong dscr; 479 ulong amr; 480 ulong uamor; 481 ulong iamr; 482 u32 ctrl; 483 u32 dabrx; 484 ulong dabr; 485 ulong dawr; 486 ulong dawrx; 487 ulong ciabr; 488 ulong cfar; 489 ulong ppr; 490 u32 pspb; 491 ulong fscr; 492 ulong shadow_fscr; 493 ulong ebbhr; 494 ulong ebbrr; 495 ulong bescr; 496 ulong csigr; 497 ulong tacr; 498 ulong tcscr; 499 ulong acop; 500 ulong wort; 501 ulong shadow_srr1; 502 #endif 503 u32 vrsave; /* also USPRG0 */ 504 u32 mmucr; 505 /* shadow_msr is unused for BookE HV */ 506 ulong shadow_msr; 507 ulong csrr0; 508 ulong csrr1; 509 ulong dsrr0; 510 ulong dsrr1; 511 ulong mcsrr0; 512 ulong mcsrr1; 513 ulong mcsr; 514 u32 dec; 515 #ifdef CONFIG_BOOKE 516 u32 decar; 517 #endif 518 /* Time base value when we entered the guest */ 519 u64 entry_tb; 520 u64 entry_vtb; 521 u64 entry_ic; 522 u32 tcr; 523 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 524 u32 ivor[64]; 525 ulong ivpr; 526 u32 pvr; 527 528 u32 shadow_pid; 529 u32 shadow_pid1; 530 u32 pid; 531 u32 swap_pid; 532 533 u32 ccr0; 534 u32 ccr1; 535 u32 dbsr; 536 537 u64 mmcr[5]; 538 u32 pmc[8]; 539 u32 spmc[2]; 540 u64 siar; 541 u64 sdar; 542 u64 sier; 543 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 544 u64 tfhar; 545 u64 texasr; 546 u64 tfiar; 547 548 u32 cr_tm; 549 u64 lr_tm; 550 u64 ctr_tm; 551 u64 amr_tm; 552 u64 ppr_tm; 553 u64 dscr_tm; 554 u64 tar_tm; 555 556 ulong gpr_tm[32]; 557 558 struct thread_fp_state fp_tm; 559 560 struct thread_vr_state vr_tm; 561 u32 vrsave_tm; /* also USPRG0 */ 562 563 #endif 564 565 #ifdef CONFIG_KVM_EXIT_TIMING 566 struct mutex exit_timing_lock; 567 struct kvmppc_exit_timing timing_exit; 568 struct kvmppc_exit_timing timing_last_enter; 569 u32 last_exit_type; 570 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 571 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 572 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 573 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 574 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 575 u64 timing_last_exit; 576 struct dentry *debugfs_exit_timing; 577 #endif 578 579 #ifdef CONFIG_PPC_BOOK3S 580 ulong fault_dar; 581 u32 fault_dsisr; 582 unsigned long intr_msr; 583 #endif 584 585 #ifdef CONFIG_BOOKE 586 ulong fault_dear; 587 ulong fault_esr; 588 ulong queued_dear; 589 ulong queued_esr; 590 spinlock_t wdt_lock; 591 struct timer_list wdt_timer; 592 u32 tlbcfg[4]; 593 u32 tlbps[4]; 594 u32 mmucfg; 595 u32 eptcfg; 596 u32 epr; 597 u64 sprg9; 598 u32 pwrmgtcr0; 599 u32 crit_save; 600 /* guest debug registers*/ 601 struct debug_reg dbg_reg; 602 #endif 603 gpa_t paddr_accessed; 604 gva_t vaddr_accessed; 605 pgd_t *pgdir; 606 607 u8 io_gpr; /* GPR used as IO source/target */ 608 u8 mmio_host_swabbed; 609 u8 mmio_sign_extend; 610 u8 osi_needed; 611 u8 osi_enabled; 612 u8 papr_enabled; 613 u8 watchdog_enabled; 614 u8 sane; 615 u8 cpu_type; 616 u8 hcall_needed; 617 u8 epr_flags; /* KVMPPC_EPR_xxx */ 618 u8 epr_needed; 619 620 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 621 622 struct hrtimer dec_timer; 623 u64 dec_jiffies; 624 u64 dec_expires; 625 unsigned long pending_exceptions; 626 u8 ceded; 627 u8 prodded; 628 u32 last_inst; 629 630 wait_queue_head_t *wqp; 631 struct kvmppc_vcore *vcore; 632 int ret; 633 int trap; 634 int state; 635 int ptid; 636 int thread_cpu; 637 bool timer_running; 638 wait_queue_head_t cpu_run; 639 640 struct kvm_vcpu_arch_shared *shared; 641 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 642 bool shared_big_endian; 643 #endif 644 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 645 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 646 bool disable_kernel_nx; 647 648 int irq_type; /* one of KVM_IRQ_* */ 649 int irq_cpu_id; 650 struct openpic *mpic; /* KVM_IRQ_MPIC */ 651 #ifdef CONFIG_KVM_XICS 652 struct kvmppc_icp *icp; /* XICS presentation controller */ 653 #endif 654 655 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 656 struct kvm_vcpu_arch_shared shregs; 657 658 unsigned long pgfault_addr; 659 long pgfault_index; 660 unsigned long pgfault_hpte[2]; 661 662 struct list_head run_list; 663 struct task_struct *run_task; 664 struct kvm_run *kvm_run; 665 666 spinlock_t vpa_update_lock; 667 struct kvmppc_vpa vpa; 668 struct kvmppc_vpa dtl; 669 struct dtl_entry *dtl_ptr; 670 unsigned long dtl_index; 671 u64 stolen_logged; 672 struct kvmppc_vpa slb_shadow; 673 674 spinlock_t tbacct_lock; 675 u64 busy_stolen; 676 u64 busy_preempt; 677 678 u32 emul_inst; 679 #endif 680 681 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 682 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 683 u64 cur_tb_start; /* when it started */ 684 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 685 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 686 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 687 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 688 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 689 690 struct dentry *debugfs_dir; 691 struct dentry *debugfs_timings; 692 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 693 }; 694 695 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 696 697 /* Values for vcpu->arch.state */ 698 #define KVMPPC_VCPU_NOTREADY 0 699 #define KVMPPC_VCPU_RUNNABLE 1 700 #define KVMPPC_VCPU_BUSY_IN_HOST 2 701 702 /* Values for vcpu->arch.io_gpr */ 703 #define KVM_MMIO_REG_MASK 0x001f 704 #define KVM_MMIO_REG_EXT_MASK 0xffe0 705 #define KVM_MMIO_REG_GPR 0x0000 706 #define KVM_MMIO_REG_FPR 0x0020 707 #define KVM_MMIO_REG_QPR 0x0040 708 #define KVM_MMIO_REG_FQPR 0x0060 709 710 #define __KVM_HAVE_ARCH_WQP 711 #define __KVM_HAVE_CREATE_DEVICE 712 713 static inline void kvm_arch_hardware_disable(void) {} 714 static inline void kvm_arch_hardware_unsetup(void) {} 715 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 716 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 717 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 718 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 719 static inline void kvm_arch_exit(void) {} 720 721 #endif /* __POWERPC_KVM_HOST_H__ */ 722