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