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