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