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 #define KVM_HALT_POLL_NS_DEFAULT 500000 48 49 /* These values are internal and can be increased later */ 50 #define KVM_NR_IRQCHIPS 1 51 #define KVM_IRQCHIP_NUM_PINS 256 52 53 #include <linux/mmu_notifier.h> 54 55 #define KVM_ARCH_WANT_MMU_NOTIFIER 56 57 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 58 extern int kvm_unmap_hva_range(struct kvm *kvm, 59 unsigned long start, unsigned long end); 60 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 61 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 62 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 63 64 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 65 unsigned long address) 66 { 67 } 68 69 #define HPTEG_CACHE_NUM (1 << 15) 70 #define HPTEG_HASH_BITS_PTE 13 71 #define HPTEG_HASH_BITS_PTE_LONG 12 72 #define HPTEG_HASH_BITS_VPTE 13 73 #define HPTEG_HASH_BITS_VPTE_LONG 5 74 #define HPTEG_HASH_BITS_VPTE_64K 11 75 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 76 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 77 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 78 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 79 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 80 81 /* Physical Address Mask - allowed range of real mode RAM access */ 82 #define KVM_PAM 0x0fffffffffffffffULL 83 84 struct lppaca; 85 struct slb_shadow; 86 struct dtl_entry; 87 88 struct kvmppc_vcpu_book3s; 89 struct kvmppc_book3s_shadow_vcpu; 90 91 struct kvm_vm_stat { 92 u32 remote_tlb_flush; 93 }; 94 95 struct kvm_vcpu_stat { 96 u32 sum_exits; 97 u32 mmio_exits; 98 u32 signal_exits; 99 u32 light_exits; 100 /* Account for special types of light exits: */ 101 u32 itlb_real_miss_exits; 102 u32 itlb_virt_miss_exits; 103 u32 dtlb_real_miss_exits; 104 u32 dtlb_virt_miss_exits; 105 u32 syscall_exits; 106 u32 isi_exits; 107 u32 dsi_exits; 108 u32 emulated_inst_exits; 109 u32 dec_exits; 110 u32 ext_intr_exits; 111 u32 halt_successful_poll; 112 u32 halt_attempted_poll; 113 u32 halt_wakeup; 114 u32 dbell_exits; 115 u32 gdbell_exits; 116 u32 ld; 117 u32 st; 118 #ifdef CONFIG_PPC_BOOK3S 119 u32 pf_storage; 120 u32 pf_instruc; 121 u32 sp_storage; 122 u32 sp_instruc; 123 u32 queue_intr; 124 u32 ld_slow; 125 u32 st_slow; 126 #endif 127 }; 128 129 enum kvm_exit_types { 130 MMIO_EXITS, 131 SIGNAL_EXITS, 132 ITLB_REAL_MISS_EXITS, 133 ITLB_VIRT_MISS_EXITS, 134 DTLB_REAL_MISS_EXITS, 135 DTLB_VIRT_MISS_EXITS, 136 SYSCALL_EXITS, 137 ISI_EXITS, 138 DSI_EXITS, 139 EMULATED_INST_EXITS, 140 EMULATED_MTMSRWE_EXITS, 141 EMULATED_WRTEE_EXITS, 142 EMULATED_MTSPR_EXITS, 143 EMULATED_MFSPR_EXITS, 144 EMULATED_MTMSR_EXITS, 145 EMULATED_MFMSR_EXITS, 146 EMULATED_TLBSX_EXITS, 147 EMULATED_TLBWE_EXITS, 148 EMULATED_RFI_EXITS, 149 EMULATED_RFCI_EXITS, 150 EMULATED_RFDI_EXITS, 151 DEC_EXITS, 152 EXT_INTR_EXITS, 153 HALT_WAKEUP, 154 USR_PR_INST, 155 FP_UNAVAIL, 156 DEBUG_EXITS, 157 TIMEINGUEST, 158 DBELL_EXITS, 159 GDBELL_EXITS, 160 __NUMBER_OF_KVM_EXIT_TYPES 161 }; 162 163 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 164 struct kvmppc_exit_timing { 165 union { 166 u64 tv64; 167 struct { 168 u32 tbu, tbl; 169 } tv32; 170 }; 171 }; 172 173 struct kvmppc_pginfo { 174 unsigned long pfn; 175 atomic_t refcnt; 176 }; 177 178 struct kvmppc_spapr_tce_table { 179 struct list_head list; 180 struct kvm *kvm; 181 u64 liobn; 182 u32 window_size; 183 struct page *pages[0]; 184 }; 185 186 /* XICS components, defined in book3s_xics.c */ 187 struct kvmppc_xics; 188 struct kvmppc_icp; 189 190 /* 191 * The reverse mapping array has one entry for each HPTE, 192 * which stores the guest's view of the second word of the HPTE 193 * (including the guest physical address of the mapping), 194 * plus forward and backward pointers in a doubly-linked ring 195 * of HPTEs that map the same host page. The pointers in this 196 * ring are 32-bit HPTE indexes, to save space. 197 */ 198 struct revmap_entry { 199 unsigned long guest_rpte; 200 unsigned int forw, back; 201 }; 202 203 /* 204 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 205 * and bit 32 as a present flag. The bottom 32 bits are the 206 * index in the guest HPT of a HPTE that points to the page. 207 */ 208 #define KVMPPC_RMAP_LOCK_BIT 63 209 #define KVMPPC_RMAP_RC_SHIFT 32 210 #define KVMPPC_RMAP_CHG_SHIFT 48 211 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 212 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 213 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 214 #define KVMPPC_RMAP_PRESENT 0x100000000ul 215 #define KVMPPC_RMAP_INDEX 0xfffffffful 216 217 struct kvm_arch_memory_slot { 218 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 219 unsigned long *rmap; 220 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 221 }; 222 223 struct kvm_arch { 224 unsigned int lpid; 225 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 226 unsigned long hpt_virt; 227 struct revmap_entry *revmap; 228 unsigned int host_lpid; 229 unsigned long host_lpcr; 230 unsigned long sdr1; 231 unsigned long host_sdr1; 232 int tlbie_lock; 233 unsigned long lpcr; 234 unsigned long vrma_slb_v; 235 int hpte_setup_done; 236 u32 hpt_order; 237 atomic_t vcpus_running; 238 u32 online_vcores; 239 unsigned long hpt_npte; 240 unsigned long hpt_mask; 241 atomic_t hpte_mod_interest; 242 cpumask_t need_tlb_flush; 243 int hpt_cma_alloc; 244 struct dentry *debugfs_dir; 245 struct dentry *htab_dentry; 246 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 247 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 248 struct mutex hpt_mutex; 249 #endif 250 #ifdef CONFIG_PPC_BOOK3S_64 251 struct list_head spapr_tce_tables; 252 struct list_head rtas_tokens; 253 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 254 #endif 255 #ifdef CONFIG_KVM_MPIC 256 struct openpic *mpic; 257 #endif 258 #ifdef CONFIG_KVM_XICS 259 struct kvmppc_xics *xics; 260 #endif 261 struct kvmppc_ops *kvm_ops; 262 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 263 /* This array can grow quite large, keep it at the end */ 264 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 265 #endif 266 }; 267 268 /* 269 * Struct for a virtual core. 270 * Note: entry_exit_map combines a bitmap of threads that have entered 271 * in the bottom 8 bits and a bitmap of threads that have exited in the 272 * next 8 bits. This is so that we can atomically set the entry bit 273 * iff the exit map is 0 without taking a lock. 274 */ 275 struct kvmppc_vcore { 276 int n_runnable; 277 int num_threads; 278 int entry_exit_map; 279 int napping_threads; 280 int first_vcpuid; 281 u16 pcpu; 282 u16 last_cpu; 283 u8 vcore_state; 284 u8 in_guest; 285 struct kvmppc_vcore *master_vcore; 286 struct list_head runnable_threads; 287 struct list_head preempt_list; 288 spinlock_t lock; 289 wait_queue_head_t wq; 290 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 291 u64 stolen_tb; 292 u64 preempt_tb; 293 struct kvm_vcpu *runner; 294 struct kvm *kvm; 295 u64 tb_offset; /* guest timebase - host timebase */ 296 ulong lpcr; 297 u32 arch_compat; 298 ulong pcr; 299 ulong dpdes; /* doorbell state (POWER8) */ 300 void *mpp_buffer; /* Micro Partition Prefetch buffer */ 301 bool mpp_buffer_is_valid; 302 ulong conferring_threads; 303 }; 304 305 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 306 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 307 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 308 309 /* This bit is used when a vcore exit is triggered from outside the vcore */ 310 #define VCORE_EXIT_REQ 0x10000 311 312 /* 313 * Values for vcore_state. 314 * Note that these are arranged such that lower values 315 * (< VCORE_SLEEPING) don't require stolen time accounting 316 * on load/unload, and higher values do. 317 */ 318 #define VCORE_INACTIVE 0 319 #define VCORE_PREEMPT 1 320 #define VCORE_PIGGYBACK 2 321 #define VCORE_SLEEPING 3 322 #define VCORE_RUNNING 4 323 #define VCORE_EXITING 5 324 325 /* 326 * Struct used to manage memory for a virtual processor area 327 * registered by a PAPR guest. There are three types of area 328 * that a guest can register. 329 */ 330 struct kvmppc_vpa { 331 unsigned long gpa; /* Current guest phys addr */ 332 void *pinned_addr; /* Address in kernel linear mapping */ 333 void *pinned_end; /* End of region */ 334 unsigned long next_gpa; /* Guest phys addr for update */ 335 unsigned long len; /* Number of bytes required */ 336 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 337 bool dirty; /* true => area has been modified by kernel */ 338 }; 339 340 struct kvmppc_pte { 341 ulong eaddr; 342 u64 vpage; 343 ulong raddr; 344 bool may_read : 1; 345 bool may_write : 1; 346 bool may_execute : 1; 347 u8 page_size; /* MMU_PAGE_xxx */ 348 }; 349 350 struct kvmppc_mmu { 351 /* book3s_64 only */ 352 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 353 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 354 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 355 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 356 void (*slbia)(struct kvm_vcpu *vcpu); 357 /* book3s */ 358 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 359 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 360 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 361 struct kvmppc_pte *pte, bool data, bool iswrite); 362 void (*reset_msr)(struct kvm_vcpu *vcpu); 363 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 364 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 365 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 366 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 367 }; 368 369 struct kvmppc_slb { 370 u64 esid; 371 u64 vsid; 372 u64 orige; 373 u64 origv; 374 bool valid : 1; 375 bool Ks : 1; 376 bool Kp : 1; 377 bool nx : 1; 378 bool large : 1; /* PTEs are 16MB */ 379 bool tb : 1; /* 1TB segment */ 380 bool class : 1; 381 u8 base_page_size; /* MMU_PAGE_xxx */ 382 }; 383 384 /* Struct used to accumulate timing information in HV real mode code */ 385 struct kvmhv_tb_accumulator { 386 u64 seqcount; /* used to synchronize access, also count * 2 */ 387 u64 tb_total; /* total time in timebase ticks */ 388 u64 tb_min; /* min time */ 389 u64 tb_max; /* max time */ 390 }; 391 392 # ifdef CONFIG_PPC_FSL_BOOK3E 393 #define KVMPPC_BOOKE_IAC_NUM 2 394 #define KVMPPC_BOOKE_DAC_NUM 2 395 # else 396 #define KVMPPC_BOOKE_IAC_NUM 4 397 #define KVMPPC_BOOKE_DAC_NUM 2 398 # endif 399 #define KVMPPC_BOOKE_MAX_IAC 4 400 #define KVMPPC_BOOKE_MAX_DAC 2 401 402 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 403 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 404 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 405 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 406 407 #define KVMPPC_IRQ_DEFAULT 0 408 #define KVMPPC_IRQ_MPIC 1 409 #define KVMPPC_IRQ_XICS 2 410 411 struct openpic; 412 413 struct kvm_vcpu_arch { 414 ulong host_stack; 415 u32 host_pid; 416 #ifdef CONFIG_PPC_BOOK3S 417 struct kvmppc_slb slb[64]; 418 int slb_max; /* 1 + index of last valid entry in slb[] */ 419 int slb_nr; /* total number of entries in SLB */ 420 struct kvmppc_mmu mmu; 421 struct kvmppc_vcpu_book3s *book3s; 422 #endif 423 #ifdef CONFIG_PPC_BOOK3S_32 424 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 425 #endif 426 427 ulong gpr[32]; 428 429 struct thread_fp_state fp; 430 431 #ifdef CONFIG_SPE 432 ulong evr[32]; 433 ulong spefscr; 434 ulong host_spefscr; 435 u64 acc; 436 #endif 437 #ifdef CONFIG_ALTIVEC 438 struct thread_vr_state vr; 439 #endif 440 441 #ifdef CONFIG_KVM_BOOKE_HV 442 u32 host_mas4; 443 u32 host_mas6; 444 u32 shadow_epcr; 445 u32 shadow_msrp; 446 u32 eplc; 447 u32 epsc; 448 u32 oldpir; 449 #endif 450 451 #if defined(CONFIG_BOOKE) 452 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 453 u32 epcr; 454 #endif 455 #endif 456 457 #ifdef CONFIG_PPC_BOOK3S 458 /* For Gekko paired singles */ 459 u32 qpr[32]; 460 #endif 461 462 ulong pc; 463 ulong ctr; 464 ulong lr; 465 #ifdef CONFIG_PPC_BOOK3S 466 ulong tar; 467 #endif 468 469 ulong xer; 470 u32 cr; 471 472 #ifdef CONFIG_PPC_BOOK3S 473 ulong hflags; 474 ulong guest_owned_ext; 475 ulong purr; 476 ulong spurr; 477 ulong ic; 478 ulong vtb; 479 ulong dscr; 480 ulong amr; 481 ulong uamor; 482 ulong iamr; 483 u32 ctrl; 484 u32 dabrx; 485 ulong dabr; 486 ulong dawr; 487 ulong dawrx; 488 ulong ciabr; 489 ulong cfar; 490 ulong ppr; 491 u32 pspb; 492 ulong fscr; 493 ulong shadow_fscr; 494 ulong ebbhr; 495 ulong ebbrr; 496 ulong bescr; 497 ulong csigr; 498 ulong tacr; 499 ulong tcscr; 500 ulong acop; 501 ulong wort; 502 ulong shadow_srr1; 503 #endif 504 u32 vrsave; /* also USPRG0 */ 505 u32 mmucr; 506 /* shadow_msr is unused for BookE HV */ 507 ulong shadow_msr; 508 ulong csrr0; 509 ulong csrr1; 510 ulong dsrr0; 511 ulong dsrr1; 512 ulong mcsrr0; 513 ulong mcsrr1; 514 ulong mcsr; 515 u32 dec; 516 #ifdef CONFIG_BOOKE 517 u32 decar; 518 #endif 519 /* Time base value when we entered the guest */ 520 u64 entry_tb; 521 u64 entry_vtb; 522 u64 entry_ic; 523 u32 tcr; 524 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 525 u32 ivor[64]; 526 ulong ivpr; 527 u32 pvr; 528 529 u32 shadow_pid; 530 u32 shadow_pid1; 531 u32 pid; 532 u32 swap_pid; 533 534 u32 ccr0; 535 u32 ccr1; 536 u32 dbsr; 537 538 u64 mmcr[5]; 539 u32 pmc[8]; 540 u32 spmc[2]; 541 u64 siar; 542 u64 sdar; 543 u64 sier; 544 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 545 u64 tfhar; 546 u64 texasr; 547 u64 tfiar; 548 549 u32 cr_tm; 550 u64 lr_tm; 551 u64 ctr_tm; 552 u64 amr_tm; 553 u64 ppr_tm; 554 u64 dscr_tm; 555 u64 tar_tm; 556 557 ulong gpr_tm[32]; 558 559 struct thread_fp_state fp_tm; 560 561 struct thread_vr_state vr_tm; 562 u32 vrsave_tm; /* also USPRG0 */ 563 564 #endif 565 566 #ifdef CONFIG_KVM_EXIT_TIMING 567 struct mutex exit_timing_lock; 568 struct kvmppc_exit_timing timing_exit; 569 struct kvmppc_exit_timing timing_last_enter; 570 u32 last_exit_type; 571 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 572 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 573 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 574 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 575 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 576 u64 timing_last_exit; 577 struct dentry *debugfs_exit_timing; 578 #endif 579 580 #ifdef CONFIG_PPC_BOOK3S 581 ulong fault_dar; 582 u32 fault_dsisr; 583 unsigned long intr_msr; 584 #endif 585 586 #ifdef CONFIG_BOOKE 587 ulong fault_dear; 588 ulong fault_esr; 589 ulong queued_dear; 590 ulong queued_esr; 591 spinlock_t wdt_lock; 592 struct timer_list wdt_timer; 593 u32 tlbcfg[4]; 594 u32 tlbps[4]; 595 u32 mmucfg; 596 u32 eptcfg; 597 u32 epr; 598 u64 sprg9; 599 u32 pwrmgtcr0; 600 u32 crit_save; 601 /* guest debug registers*/ 602 struct debug_reg dbg_reg; 603 #endif 604 gpa_t paddr_accessed; 605 gva_t vaddr_accessed; 606 pgd_t *pgdir; 607 608 u8 io_gpr; /* GPR used as IO source/target */ 609 u8 mmio_host_swabbed; 610 u8 mmio_sign_extend; 611 u8 osi_needed; 612 u8 osi_enabled; 613 u8 papr_enabled; 614 u8 watchdog_enabled; 615 u8 sane; 616 u8 cpu_type; 617 u8 hcall_needed; 618 u8 epr_flags; /* KVMPPC_EPR_xxx */ 619 u8 epr_needed; 620 621 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 622 623 struct hrtimer dec_timer; 624 u64 dec_jiffies; 625 u64 dec_expires; 626 unsigned long pending_exceptions; 627 u8 ceded; 628 u8 prodded; 629 u32 last_inst; 630 631 wait_queue_head_t *wqp; 632 struct kvmppc_vcore *vcore; 633 int ret; 634 int trap; 635 int state; 636 int ptid; 637 int thread_cpu; 638 bool timer_running; 639 wait_queue_head_t cpu_run; 640 641 struct kvm_vcpu_arch_shared *shared; 642 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 643 bool shared_big_endian; 644 #endif 645 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 646 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 647 bool disable_kernel_nx; 648 649 int irq_type; /* one of KVM_IRQ_* */ 650 int irq_cpu_id; 651 struct openpic *mpic; /* KVM_IRQ_MPIC */ 652 #ifdef CONFIG_KVM_XICS 653 struct kvmppc_icp *icp; /* XICS presentation controller */ 654 #endif 655 656 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 657 struct kvm_vcpu_arch_shared shregs; 658 659 unsigned long pgfault_addr; 660 long pgfault_index; 661 unsigned long pgfault_hpte[2]; 662 663 struct list_head run_list; 664 struct task_struct *run_task; 665 struct kvm_run *kvm_run; 666 667 spinlock_t vpa_update_lock; 668 struct kvmppc_vpa vpa; 669 struct kvmppc_vpa dtl; 670 struct dtl_entry *dtl_ptr; 671 unsigned long dtl_index; 672 u64 stolen_logged; 673 struct kvmppc_vpa slb_shadow; 674 675 spinlock_t tbacct_lock; 676 u64 busy_stolen; 677 u64 busy_preempt; 678 679 u32 emul_inst; 680 #endif 681 682 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 683 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 684 u64 cur_tb_start; /* when it started */ 685 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 686 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 687 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 688 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 689 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 690 691 struct dentry *debugfs_dir; 692 struct dentry *debugfs_timings; 693 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 694 }; 695 696 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 697 698 /* Values for vcpu->arch.state */ 699 #define KVMPPC_VCPU_NOTREADY 0 700 #define KVMPPC_VCPU_RUNNABLE 1 701 #define KVMPPC_VCPU_BUSY_IN_HOST 2 702 703 /* Values for vcpu->arch.io_gpr */ 704 #define KVM_MMIO_REG_MASK 0x001f 705 #define KVM_MMIO_REG_EXT_MASK 0xffe0 706 #define KVM_MMIO_REG_GPR 0x0000 707 #define KVM_MMIO_REG_FPR 0x0020 708 #define KVM_MMIO_REG_QPR 0x0040 709 #define KVM_MMIO_REG_FQPR 0x0060 710 711 #define __KVM_HAVE_ARCH_WQP 712 #define __KVM_HAVE_CREATE_DEVICE 713 714 static inline void kvm_arch_hardware_disable(void) {} 715 static inline void kvm_arch_hardware_unsetup(void) {} 716 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 717 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 718 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 719 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 720 static inline void kvm_arch_exit(void) {} 721 722 #endif /* __POWERPC_KVM_HOST_H__ */ 723