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 #ifdef CONFIG_KVM_MMIO 44 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 45 #endif 46 #define KVM_HALT_POLL_NS_DEFAULT 500000 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 /* PPC-specific vcpu->requests bit members */ 53 #define KVM_REQ_WATCHDOG 8 54 #define KVM_REQ_EPR_EXIT 9 55 56 #include <linux/mmu_notifier.h> 57 58 #define KVM_ARCH_WANT_MMU_NOTIFIER 59 60 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 61 extern int kvm_unmap_hva_range(struct kvm *kvm, 62 unsigned long start, unsigned long end); 63 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 64 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 65 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 66 67 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 68 unsigned long address) 69 { 70 } 71 72 #define HPTEG_CACHE_NUM (1 << 15) 73 #define HPTEG_HASH_BITS_PTE 13 74 #define HPTEG_HASH_BITS_PTE_LONG 12 75 #define HPTEG_HASH_BITS_VPTE 13 76 #define HPTEG_HASH_BITS_VPTE_LONG 5 77 #define HPTEG_HASH_BITS_VPTE_64K 11 78 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 79 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 80 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 81 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 82 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 83 84 /* Physical Address Mask - allowed range of real mode RAM access */ 85 #define KVM_PAM 0x0fffffffffffffffULL 86 87 struct lppaca; 88 struct slb_shadow; 89 struct dtl_entry; 90 91 struct kvmppc_vcpu_book3s; 92 struct kvmppc_book3s_shadow_vcpu; 93 94 struct kvm_vm_stat { 95 u32 remote_tlb_flush; 96 }; 97 98 struct kvm_vcpu_stat { 99 u32 sum_exits; 100 u32 mmio_exits; 101 u32 signal_exits; 102 u32 light_exits; 103 /* Account for special types of light exits: */ 104 u32 itlb_real_miss_exits; 105 u32 itlb_virt_miss_exits; 106 u32 dtlb_real_miss_exits; 107 u32 dtlb_virt_miss_exits; 108 u32 syscall_exits; 109 u32 isi_exits; 110 u32 dsi_exits; 111 u32 emulated_inst_exits; 112 u32 dec_exits; 113 u32 ext_intr_exits; 114 u32 halt_successful_poll; 115 u32 halt_attempted_poll; 116 u32 halt_wakeup; 117 u32 dbell_exits; 118 u32 gdbell_exits; 119 u32 ld; 120 u32 st; 121 #ifdef CONFIG_PPC_BOOK3S 122 u32 pf_storage; 123 u32 pf_instruc; 124 u32 sp_storage; 125 u32 sp_instruc; 126 u32 queue_intr; 127 u32 ld_slow; 128 u32 st_slow; 129 #endif 130 }; 131 132 enum kvm_exit_types { 133 MMIO_EXITS, 134 SIGNAL_EXITS, 135 ITLB_REAL_MISS_EXITS, 136 ITLB_VIRT_MISS_EXITS, 137 DTLB_REAL_MISS_EXITS, 138 DTLB_VIRT_MISS_EXITS, 139 SYSCALL_EXITS, 140 ISI_EXITS, 141 DSI_EXITS, 142 EMULATED_INST_EXITS, 143 EMULATED_MTMSRWE_EXITS, 144 EMULATED_WRTEE_EXITS, 145 EMULATED_MTSPR_EXITS, 146 EMULATED_MFSPR_EXITS, 147 EMULATED_MTMSR_EXITS, 148 EMULATED_MFMSR_EXITS, 149 EMULATED_TLBSX_EXITS, 150 EMULATED_TLBWE_EXITS, 151 EMULATED_RFI_EXITS, 152 EMULATED_RFCI_EXITS, 153 EMULATED_RFDI_EXITS, 154 DEC_EXITS, 155 EXT_INTR_EXITS, 156 HALT_WAKEUP, 157 USR_PR_INST, 158 FP_UNAVAIL, 159 DEBUG_EXITS, 160 TIMEINGUEST, 161 DBELL_EXITS, 162 GDBELL_EXITS, 163 __NUMBER_OF_KVM_EXIT_TYPES 164 }; 165 166 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 167 struct kvmppc_exit_timing { 168 union { 169 u64 tv64; 170 struct { 171 u32 tbu, tbl; 172 } tv32; 173 }; 174 }; 175 176 struct kvmppc_pginfo { 177 unsigned long pfn; 178 atomic_t refcnt; 179 }; 180 181 struct kvmppc_spapr_tce_table { 182 struct list_head list; 183 struct kvm *kvm; 184 u64 liobn; 185 u32 window_size; 186 struct page *pages[0]; 187 }; 188 189 /* XICS components, defined in book3s_xics.c */ 190 struct kvmppc_xics; 191 struct kvmppc_icp; 192 193 /* 194 * The reverse mapping array has one entry for each HPTE, 195 * which stores the guest's view of the second word of the HPTE 196 * (including the guest physical address of the mapping), 197 * plus forward and backward pointers in a doubly-linked ring 198 * of HPTEs that map the same host page. The pointers in this 199 * ring are 32-bit HPTE indexes, to save space. 200 */ 201 struct revmap_entry { 202 unsigned long guest_rpte; 203 unsigned int forw, back; 204 }; 205 206 /* 207 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 208 * and bit 32 as a present flag. The bottom 32 bits are the 209 * index in the guest HPT of a HPTE that points to the page. 210 */ 211 #define KVMPPC_RMAP_LOCK_BIT 63 212 #define KVMPPC_RMAP_RC_SHIFT 32 213 #define KVMPPC_RMAP_CHG_SHIFT 48 214 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 215 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 216 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 217 #define KVMPPC_RMAP_PRESENT 0x100000000ul 218 #define KVMPPC_RMAP_INDEX 0xfffffffful 219 220 struct kvm_arch_memory_slot { 221 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 222 unsigned long *rmap; 223 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 224 }; 225 226 struct kvm_arch { 227 unsigned int lpid; 228 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 229 unsigned long hpt_virt; 230 struct revmap_entry *revmap; 231 unsigned int host_lpid; 232 unsigned long host_lpcr; 233 unsigned long sdr1; 234 unsigned long host_sdr1; 235 int tlbie_lock; 236 unsigned long lpcr; 237 unsigned long vrma_slb_v; 238 int hpte_setup_done; 239 u32 hpt_order; 240 atomic_t vcpus_running; 241 u32 online_vcores; 242 unsigned long hpt_npte; 243 unsigned long hpt_mask; 244 atomic_t hpte_mod_interest; 245 cpumask_t need_tlb_flush; 246 int hpt_cma_alloc; 247 struct dentry *debugfs_dir; 248 struct dentry *htab_dentry; 249 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 250 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 251 struct mutex hpt_mutex; 252 #endif 253 #ifdef CONFIG_PPC_BOOK3S_64 254 struct list_head spapr_tce_tables; 255 struct list_head rtas_tokens; 256 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 257 #endif 258 #ifdef CONFIG_KVM_MPIC 259 struct openpic *mpic; 260 #endif 261 #ifdef CONFIG_KVM_XICS 262 struct kvmppc_xics *xics; 263 #endif 264 struct kvmppc_ops *kvm_ops; 265 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 266 /* This array can grow quite large, keep it at the end */ 267 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 268 #endif 269 }; 270 271 /* 272 * Struct for a virtual core. 273 * Note: entry_exit_map combines a bitmap of threads that have entered 274 * in the bottom 8 bits and a bitmap of threads that have exited in the 275 * next 8 bits. This is so that we can atomically set the entry bit 276 * iff the exit map is 0 without taking a lock. 277 */ 278 struct kvmppc_vcore { 279 int n_runnable; 280 int num_threads; 281 int entry_exit_map; 282 int napping_threads; 283 int first_vcpuid; 284 u16 pcpu; 285 u16 last_cpu; 286 u8 vcore_state; 287 u8 in_guest; 288 struct kvmppc_vcore *master_vcore; 289 struct list_head runnable_threads; 290 struct list_head preempt_list; 291 spinlock_t lock; 292 wait_queue_head_t wq; 293 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 294 u64 stolen_tb; 295 u64 preempt_tb; 296 struct kvm_vcpu *runner; 297 struct kvm *kvm; 298 u64 tb_offset; /* guest timebase - host timebase */ 299 ulong lpcr; 300 u32 arch_compat; 301 ulong pcr; 302 ulong dpdes; /* doorbell state (POWER8) */ 303 ulong conferring_threads; 304 }; 305 306 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 307 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 308 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 309 310 /* This bit is used when a vcore exit is triggered from outside the vcore */ 311 #define VCORE_EXIT_REQ 0x10000 312 313 /* 314 * Values for vcore_state. 315 * Note that these are arranged such that lower values 316 * (< VCORE_SLEEPING) don't require stolen time accounting 317 * on load/unload, and higher values do. 318 */ 319 #define VCORE_INACTIVE 0 320 #define VCORE_PREEMPT 1 321 #define VCORE_PIGGYBACK 2 322 #define VCORE_SLEEPING 3 323 #define VCORE_RUNNING 4 324 #define VCORE_EXITING 5 325 326 /* 327 * Struct used to manage memory for a virtual processor area 328 * registered by a PAPR guest. There are three types of area 329 * that a guest can register. 330 */ 331 struct kvmppc_vpa { 332 unsigned long gpa; /* Current guest phys addr */ 333 void *pinned_addr; /* Address in kernel linear mapping */ 334 void *pinned_end; /* End of region */ 335 unsigned long next_gpa; /* Guest phys addr for update */ 336 unsigned long len; /* Number of bytes required */ 337 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 338 bool dirty; /* true => area has been modified by kernel */ 339 }; 340 341 struct kvmppc_pte { 342 ulong eaddr; 343 u64 vpage; 344 ulong raddr; 345 bool may_read : 1; 346 bool may_write : 1; 347 bool may_execute : 1; 348 u8 page_size; /* MMU_PAGE_xxx */ 349 }; 350 351 struct kvmppc_mmu { 352 /* book3s_64 only */ 353 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 354 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 355 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 356 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 357 void (*slbia)(struct kvm_vcpu *vcpu); 358 /* book3s */ 359 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 360 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 361 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 362 struct kvmppc_pte *pte, bool data, bool iswrite); 363 void (*reset_msr)(struct kvm_vcpu *vcpu); 364 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 365 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 366 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 367 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 368 }; 369 370 struct kvmppc_slb { 371 u64 esid; 372 u64 vsid; 373 u64 orige; 374 u64 origv; 375 bool valid : 1; 376 bool Ks : 1; 377 bool Kp : 1; 378 bool nx : 1; 379 bool large : 1; /* PTEs are 16MB */ 380 bool tb : 1; /* 1TB segment */ 381 bool class : 1; 382 u8 base_page_size; /* MMU_PAGE_xxx */ 383 }; 384 385 /* Struct used to accumulate timing information in HV real mode code */ 386 struct kvmhv_tb_accumulator { 387 u64 seqcount; /* used to synchronize access, also count * 2 */ 388 u64 tb_total; /* total time in timebase ticks */ 389 u64 tb_min; /* min time */ 390 u64 tb_max; /* max time */ 391 }; 392 393 # ifdef CONFIG_PPC_FSL_BOOK3E 394 #define KVMPPC_BOOKE_IAC_NUM 2 395 #define KVMPPC_BOOKE_DAC_NUM 2 396 # else 397 #define KVMPPC_BOOKE_IAC_NUM 4 398 #define KVMPPC_BOOKE_DAC_NUM 2 399 # endif 400 #define KVMPPC_BOOKE_MAX_IAC 4 401 #define KVMPPC_BOOKE_MAX_DAC 2 402 403 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 404 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 405 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 406 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 407 408 #define KVMPPC_IRQ_DEFAULT 0 409 #define KVMPPC_IRQ_MPIC 1 410 #define KVMPPC_IRQ_XICS 2 411 412 struct openpic; 413 414 struct kvm_vcpu_arch { 415 ulong host_stack; 416 u32 host_pid; 417 #ifdef CONFIG_PPC_BOOK3S 418 struct kvmppc_slb slb[64]; 419 int slb_max; /* 1 + index of last valid entry in slb[] */ 420 int slb_nr; /* total number of entries in SLB */ 421 struct kvmppc_mmu mmu; 422 struct kvmppc_vcpu_book3s *book3s; 423 #endif 424 #ifdef CONFIG_PPC_BOOK3S_32 425 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 426 #endif 427 428 ulong gpr[32]; 429 430 struct thread_fp_state fp; 431 432 #ifdef CONFIG_SPE 433 ulong evr[32]; 434 ulong spefscr; 435 ulong host_spefscr; 436 u64 acc; 437 #endif 438 #ifdef CONFIG_ALTIVEC 439 struct thread_vr_state vr; 440 #endif 441 442 #ifdef CONFIG_KVM_BOOKE_HV 443 u32 host_mas4; 444 u32 host_mas6; 445 u32 shadow_epcr; 446 u32 shadow_msrp; 447 u32 eplc; 448 u32 epsc; 449 u32 oldpir; 450 #endif 451 452 #if defined(CONFIG_BOOKE) 453 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 454 u32 epcr; 455 #endif 456 #endif 457 458 #ifdef CONFIG_PPC_BOOK3S 459 /* For Gekko paired singles */ 460 u32 qpr[32]; 461 #endif 462 463 ulong pc; 464 ulong ctr; 465 ulong lr; 466 #ifdef CONFIG_PPC_BOOK3S 467 ulong tar; 468 #endif 469 470 ulong xer; 471 u32 cr; 472 473 #ifdef CONFIG_PPC_BOOK3S 474 ulong hflags; 475 ulong guest_owned_ext; 476 ulong purr; 477 ulong spurr; 478 ulong ic; 479 ulong vtb; 480 ulong dscr; 481 ulong amr; 482 ulong uamor; 483 ulong iamr; 484 u32 ctrl; 485 u32 dabrx; 486 ulong dabr; 487 ulong dawr; 488 ulong dawrx; 489 ulong ciabr; 490 ulong cfar; 491 ulong ppr; 492 u32 pspb; 493 ulong fscr; 494 ulong shadow_fscr; 495 ulong ebbhr; 496 ulong ebbrr; 497 ulong bescr; 498 ulong csigr; 499 ulong tacr; 500 ulong tcscr; 501 ulong acop; 502 ulong wort; 503 ulong shadow_srr1; 504 #endif 505 u32 vrsave; /* also USPRG0 */ 506 u32 mmucr; 507 /* shadow_msr is unused for BookE HV */ 508 ulong shadow_msr; 509 ulong csrr0; 510 ulong csrr1; 511 ulong dsrr0; 512 ulong dsrr1; 513 ulong mcsrr0; 514 ulong mcsrr1; 515 ulong mcsr; 516 u32 dec; 517 #ifdef CONFIG_BOOKE 518 u32 decar; 519 #endif 520 /* Time base value when we entered the guest */ 521 u64 entry_tb; 522 u64 entry_vtb; 523 u64 entry_ic; 524 u32 tcr; 525 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 526 u32 ivor[64]; 527 ulong ivpr; 528 u32 pvr; 529 530 u32 shadow_pid; 531 u32 shadow_pid1; 532 u32 pid; 533 u32 swap_pid; 534 535 u32 ccr0; 536 u32 ccr1; 537 u32 dbsr; 538 539 u64 mmcr[5]; 540 u32 pmc[8]; 541 u32 spmc[2]; 542 u64 siar; 543 u64 sdar; 544 u64 sier; 545 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 546 u64 tfhar; 547 u64 texasr; 548 u64 tfiar; 549 550 u32 cr_tm; 551 u64 lr_tm; 552 u64 ctr_tm; 553 u64 amr_tm; 554 u64 ppr_tm; 555 u64 dscr_tm; 556 u64 tar_tm; 557 558 ulong gpr_tm[32]; 559 560 struct thread_fp_state fp_tm; 561 562 struct thread_vr_state vr_tm; 563 u32 vrsave_tm; /* also USPRG0 */ 564 565 #endif 566 567 #ifdef CONFIG_KVM_EXIT_TIMING 568 struct mutex exit_timing_lock; 569 struct kvmppc_exit_timing timing_exit; 570 struct kvmppc_exit_timing timing_last_enter; 571 u32 last_exit_type; 572 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 573 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 574 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 575 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 576 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 577 u64 timing_last_exit; 578 struct dentry *debugfs_exit_timing; 579 #endif 580 581 #ifdef CONFIG_PPC_BOOK3S 582 ulong fault_dar; 583 u32 fault_dsisr; 584 unsigned long intr_msr; 585 #endif 586 587 #ifdef CONFIG_BOOKE 588 ulong fault_dear; 589 ulong fault_esr; 590 ulong queued_dear; 591 ulong queued_esr; 592 spinlock_t wdt_lock; 593 struct timer_list wdt_timer; 594 u32 tlbcfg[4]; 595 u32 tlbps[4]; 596 u32 mmucfg; 597 u32 eptcfg; 598 u32 epr; 599 u64 sprg9; 600 u32 pwrmgtcr0; 601 u32 crit_save; 602 /* guest debug registers*/ 603 struct debug_reg dbg_reg; 604 #endif 605 gpa_t paddr_accessed; 606 gva_t vaddr_accessed; 607 pgd_t *pgdir; 608 609 u8 io_gpr; /* GPR used as IO source/target */ 610 u8 mmio_host_swabbed; 611 u8 mmio_sign_extend; 612 u8 osi_needed; 613 u8 osi_enabled; 614 u8 papr_enabled; 615 u8 watchdog_enabled; 616 u8 sane; 617 u8 cpu_type; 618 u8 hcall_needed; 619 u8 epr_flags; /* KVMPPC_EPR_xxx */ 620 u8 epr_needed; 621 622 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 623 624 struct hrtimer dec_timer; 625 u64 dec_jiffies; 626 u64 dec_expires; 627 unsigned long pending_exceptions; 628 u8 ceded; 629 u8 prodded; 630 u32 last_inst; 631 632 wait_queue_head_t *wqp; 633 struct kvmppc_vcore *vcore; 634 int ret; 635 int trap; 636 int state; 637 int ptid; 638 int thread_cpu; 639 bool timer_running; 640 wait_queue_head_t cpu_run; 641 642 struct kvm_vcpu_arch_shared *shared; 643 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 644 bool shared_big_endian; 645 #endif 646 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 647 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 648 bool disable_kernel_nx; 649 650 int irq_type; /* one of KVM_IRQ_* */ 651 int irq_cpu_id; 652 struct openpic *mpic; /* KVM_IRQ_MPIC */ 653 #ifdef CONFIG_KVM_XICS 654 struct kvmppc_icp *icp; /* XICS presentation controller */ 655 #endif 656 657 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 658 struct kvm_vcpu_arch_shared shregs; 659 660 unsigned long pgfault_addr; 661 long pgfault_index; 662 unsigned long pgfault_hpte[2]; 663 664 struct list_head run_list; 665 struct task_struct *run_task; 666 struct kvm_run *kvm_run; 667 668 spinlock_t vpa_update_lock; 669 struct kvmppc_vpa vpa; 670 struct kvmppc_vpa dtl; 671 struct dtl_entry *dtl_ptr; 672 unsigned long dtl_index; 673 u64 stolen_logged; 674 struct kvmppc_vpa slb_shadow; 675 676 spinlock_t tbacct_lock; 677 u64 busy_stolen; 678 u64 busy_preempt; 679 680 u32 emul_inst; 681 #endif 682 683 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 684 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 685 u64 cur_tb_start; /* when it started */ 686 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 687 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 688 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 689 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 690 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 691 692 struct dentry *debugfs_dir; 693 struct dentry *debugfs_timings; 694 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 695 }; 696 697 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 698 699 /* Values for vcpu->arch.state */ 700 #define KVMPPC_VCPU_NOTREADY 0 701 #define KVMPPC_VCPU_RUNNABLE 1 702 #define KVMPPC_VCPU_BUSY_IN_HOST 2 703 704 /* Values for vcpu->arch.io_gpr */ 705 #define KVM_MMIO_REG_MASK 0x001f 706 #define KVM_MMIO_REG_EXT_MASK 0xffe0 707 #define KVM_MMIO_REG_GPR 0x0000 708 #define KVM_MMIO_REG_FPR 0x0020 709 #define KVM_MMIO_REG_QPR 0x0040 710 #define KVM_MMIO_REG_FQPR 0x0060 711 712 #define __KVM_HAVE_ARCH_WQP 713 #define __KVM_HAVE_CREATE_DEVICE 714 715 static inline void kvm_arch_hardware_disable(void) {} 716 static inline void kvm_arch_hardware_unsetup(void) {} 717 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 718 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 719 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 720 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 721 static inline void kvm_arch_exit(void) {} 722 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 723 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 724 725 #endif /* __POWERPC_KVM_HOST_H__ */ 726