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 /* PPC-specific vcpu->requests bit members */ 54 #define KVM_REQ_WATCHDOG 8 55 #define KVM_REQ_EPR_EXIT 9 56 57 #include <linux/mmu_notifier.h> 58 59 #define KVM_ARCH_WANT_MMU_NOTIFIER 60 61 extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); 62 extern int kvm_unmap_hva_range(struct kvm *kvm, 63 unsigned long start, unsigned long end); 64 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); 65 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); 66 extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); 67 68 static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, 69 unsigned long address) 70 { 71 } 72 73 #define HPTEG_CACHE_NUM (1 << 15) 74 #define HPTEG_HASH_BITS_PTE 13 75 #define HPTEG_HASH_BITS_PTE_LONG 12 76 #define HPTEG_HASH_BITS_VPTE 13 77 #define HPTEG_HASH_BITS_VPTE_LONG 5 78 #define HPTEG_HASH_BITS_VPTE_64K 11 79 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) 80 #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) 81 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) 82 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) 83 #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) 84 85 /* Physical Address Mask - allowed range of real mode RAM access */ 86 #define KVM_PAM 0x0fffffffffffffffULL 87 88 struct lppaca; 89 struct slb_shadow; 90 struct dtl_entry; 91 92 struct kvmppc_vcpu_book3s; 93 struct kvmppc_book3s_shadow_vcpu; 94 95 struct kvm_vm_stat { 96 u32 remote_tlb_flush; 97 }; 98 99 struct kvm_vcpu_stat { 100 u32 sum_exits; 101 u32 mmio_exits; 102 u32 signal_exits; 103 u32 light_exits; 104 /* Account for special types of light exits: */ 105 u32 itlb_real_miss_exits; 106 u32 itlb_virt_miss_exits; 107 u32 dtlb_real_miss_exits; 108 u32 dtlb_virt_miss_exits; 109 u32 syscall_exits; 110 u32 isi_exits; 111 u32 dsi_exits; 112 u32 emulated_inst_exits; 113 u32 dec_exits; 114 u32 ext_intr_exits; 115 u32 halt_successful_poll; 116 u32 halt_attempted_poll; 117 u32 halt_wakeup; 118 u32 dbell_exits; 119 u32 gdbell_exits; 120 u32 ld; 121 u32 st; 122 #ifdef CONFIG_PPC_BOOK3S 123 u32 pf_storage; 124 u32 pf_instruc; 125 u32 sp_storage; 126 u32 sp_instruc; 127 u32 queue_intr; 128 u32 ld_slow; 129 u32 st_slow; 130 #endif 131 }; 132 133 enum kvm_exit_types { 134 MMIO_EXITS, 135 SIGNAL_EXITS, 136 ITLB_REAL_MISS_EXITS, 137 ITLB_VIRT_MISS_EXITS, 138 DTLB_REAL_MISS_EXITS, 139 DTLB_VIRT_MISS_EXITS, 140 SYSCALL_EXITS, 141 ISI_EXITS, 142 DSI_EXITS, 143 EMULATED_INST_EXITS, 144 EMULATED_MTMSRWE_EXITS, 145 EMULATED_WRTEE_EXITS, 146 EMULATED_MTSPR_EXITS, 147 EMULATED_MFSPR_EXITS, 148 EMULATED_MTMSR_EXITS, 149 EMULATED_MFMSR_EXITS, 150 EMULATED_TLBSX_EXITS, 151 EMULATED_TLBWE_EXITS, 152 EMULATED_RFI_EXITS, 153 EMULATED_RFCI_EXITS, 154 EMULATED_RFDI_EXITS, 155 DEC_EXITS, 156 EXT_INTR_EXITS, 157 HALT_WAKEUP, 158 USR_PR_INST, 159 FP_UNAVAIL, 160 DEBUG_EXITS, 161 TIMEINGUEST, 162 DBELL_EXITS, 163 GDBELL_EXITS, 164 __NUMBER_OF_KVM_EXIT_TYPES 165 }; 166 167 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 168 struct kvmppc_exit_timing { 169 union { 170 u64 tv64; 171 struct { 172 u32 tbu, tbl; 173 } tv32; 174 }; 175 }; 176 177 struct kvmppc_pginfo { 178 unsigned long pfn; 179 atomic_t refcnt; 180 }; 181 182 struct kvmppc_spapr_tce_table { 183 struct list_head list; 184 struct kvm *kvm; 185 u64 liobn; 186 u32 window_size; 187 struct page *pages[0]; 188 }; 189 190 /* XICS components, defined in book3s_xics.c */ 191 struct kvmppc_xics; 192 struct kvmppc_icp; 193 194 /* 195 * The reverse mapping array has one entry for each HPTE, 196 * which stores the guest's view of the second word of the HPTE 197 * (including the guest physical address of the mapping), 198 * plus forward and backward pointers in a doubly-linked ring 199 * of HPTEs that map the same host page. The pointers in this 200 * ring are 32-bit HPTE indexes, to save space. 201 */ 202 struct revmap_entry { 203 unsigned long guest_rpte; 204 unsigned int forw, back; 205 }; 206 207 /* 208 * We use the top bit of each memslot->arch.rmap entry as a lock bit, 209 * and bit 32 as a present flag. The bottom 32 bits are the 210 * index in the guest HPT of a HPTE that points to the page. 211 */ 212 #define KVMPPC_RMAP_LOCK_BIT 63 213 #define KVMPPC_RMAP_RC_SHIFT 32 214 #define KVMPPC_RMAP_CHG_SHIFT 48 215 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) 216 #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) 217 #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) 218 #define KVMPPC_RMAP_PRESENT 0x100000000ul 219 #define KVMPPC_RMAP_INDEX 0xfffffffful 220 221 struct kvm_arch_memory_slot { 222 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 223 unsigned long *rmap; 224 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 225 }; 226 227 struct kvm_arch { 228 unsigned int lpid; 229 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 230 unsigned long hpt_virt; 231 struct revmap_entry *revmap; 232 unsigned int host_lpid; 233 unsigned long host_lpcr; 234 unsigned long sdr1; 235 unsigned long host_sdr1; 236 int tlbie_lock; 237 unsigned long lpcr; 238 unsigned long vrma_slb_v; 239 int hpte_setup_done; 240 u32 hpt_order; 241 atomic_t vcpus_running; 242 u32 online_vcores; 243 unsigned long hpt_npte; 244 unsigned long hpt_mask; 245 atomic_t hpte_mod_interest; 246 cpumask_t need_tlb_flush; 247 int hpt_cma_alloc; 248 struct dentry *debugfs_dir; 249 struct dentry *htab_dentry; 250 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ 251 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE 252 struct mutex hpt_mutex; 253 #endif 254 #ifdef CONFIG_PPC_BOOK3S_64 255 struct list_head spapr_tce_tables; 256 struct list_head rtas_tokens; 257 DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); 258 #endif 259 #ifdef CONFIG_KVM_MPIC 260 struct openpic *mpic; 261 #endif 262 #ifdef CONFIG_KVM_XICS 263 struct kvmppc_xics *xics; 264 #endif 265 struct kvmppc_ops *kvm_ops; 266 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 267 /* This array can grow quite large, keep it at the end */ 268 struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; 269 #endif 270 }; 271 272 /* 273 * Struct for a virtual core. 274 * Note: entry_exit_map combines a bitmap of threads that have entered 275 * in the bottom 8 bits and a bitmap of threads that have exited in the 276 * next 8 bits. This is so that we can atomically set the entry bit 277 * iff the exit map is 0 without taking a lock. 278 */ 279 struct kvmppc_vcore { 280 int n_runnable; 281 int num_threads; 282 int entry_exit_map; 283 int napping_threads; 284 int first_vcpuid; 285 u16 pcpu; 286 u16 last_cpu; 287 u8 vcore_state; 288 u8 in_guest; 289 struct kvmppc_vcore *master_vcore; 290 struct list_head runnable_threads; 291 struct list_head preempt_list; 292 spinlock_t lock; 293 wait_queue_head_t wq; 294 spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 295 u64 stolen_tb; 296 u64 preempt_tb; 297 struct kvm_vcpu *runner; 298 struct kvm *kvm; 299 u64 tb_offset; /* guest timebase - host timebase */ 300 ulong lpcr; 301 u32 arch_compat; 302 ulong pcr; 303 ulong dpdes; /* doorbell state (POWER8) */ 304 ulong conferring_threads; 305 }; 306 307 #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) 308 #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) 309 #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) 310 311 /* This bit is used when a vcore exit is triggered from outside the vcore */ 312 #define VCORE_EXIT_REQ 0x10000 313 314 /* 315 * Values for vcore_state. 316 * Note that these are arranged such that lower values 317 * (< VCORE_SLEEPING) don't require stolen time accounting 318 * on load/unload, and higher values do. 319 */ 320 #define VCORE_INACTIVE 0 321 #define VCORE_PREEMPT 1 322 #define VCORE_PIGGYBACK 2 323 #define VCORE_SLEEPING 3 324 #define VCORE_RUNNING 4 325 #define VCORE_EXITING 5 326 327 /* 328 * Struct used to manage memory for a virtual processor area 329 * registered by a PAPR guest. There are three types of area 330 * that a guest can register. 331 */ 332 struct kvmppc_vpa { 333 unsigned long gpa; /* Current guest phys addr */ 334 void *pinned_addr; /* Address in kernel linear mapping */ 335 void *pinned_end; /* End of region */ 336 unsigned long next_gpa; /* Guest phys addr for update */ 337 unsigned long len; /* Number of bytes required */ 338 u8 update_pending; /* 1 => update pinned_addr from next_gpa */ 339 bool dirty; /* true => area has been modified by kernel */ 340 }; 341 342 struct kvmppc_pte { 343 ulong eaddr; 344 u64 vpage; 345 ulong raddr; 346 bool may_read : 1; 347 bool may_write : 1; 348 bool may_execute : 1; 349 u8 page_size; /* MMU_PAGE_xxx */ 350 }; 351 352 struct kvmppc_mmu { 353 /* book3s_64 only */ 354 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); 355 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); 356 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); 357 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); 358 void (*slbia)(struct kvm_vcpu *vcpu); 359 /* book3s */ 360 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); 361 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); 362 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, 363 struct kvmppc_pte *pte, bool data, bool iswrite); 364 void (*reset_msr)(struct kvm_vcpu *vcpu); 365 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); 366 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); 367 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); 368 bool (*is_dcbz32)(struct kvm_vcpu *vcpu); 369 }; 370 371 struct kvmppc_slb { 372 u64 esid; 373 u64 vsid; 374 u64 orige; 375 u64 origv; 376 bool valid : 1; 377 bool Ks : 1; 378 bool Kp : 1; 379 bool nx : 1; 380 bool large : 1; /* PTEs are 16MB */ 381 bool tb : 1; /* 1TB segment */ 382 bool class : 1; 383 u8 base_page_size; /* MMU_PAGE_xxx */ 384 }; 385 386 /* Struct used to accumulate timing information in HV real mode code */ 387 struct kvmhv_tb_accumulator { 388 u64 seqcount; /* used to synchronize access, also count * 2 */ 389 u64 tb_total; /* total time in timebase ticks */ 390 u64 tb_min; /* min time */ 391 u64 tb_max; /* max time */ 392 }; 393 394 # ifdef CONFIG_PPC_FSL_BOOK3E 395 #define KVMPPC_BOOKE_IAC_NUM 2 396 #define KVMPPC_BOOKE_DAC_NUM 2 397 # else 398 #define KVMPPC_BOOKE_IAC_NUM 4 399 #define KVMPPC_BOOKE_DAC_NUM 2 400 # endif 401 #define KVMPPC_BOOKE_MAX_IAC 4 402 #define KVMPPC_BOOKE_MAX_DAC 2 403 404 /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ 405 #define KVMPPC_EPR_NONE 0 /* EPR not supported */ 406 #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ 407 #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ 408 409 #define KVMPPC_IRQ_DEFAULT 0 410 #define KVMPPC_IRQ_MPIC 1 411 #define KVMPPC_IRQ_XICS 2 412 413 struct openpic; 414 415 struct kvm_vcpu_arch { 416 ulong host_stack; 417 u32 host_pid; 418 #ifdef CONFIG_PPC_BOOK3S 419 struct kvmppc_slb slb[64]; 420 int slb_max; /* 1 + index of last valid entry in slb[] */ 421 int slb_nr; /* total number of entries in SLB */ 422 struct kvmppc_mmu mmu; 423 struct kvmppc_vcpu_book3s *book3s; 424 #endif 425 #ifdef CONFIG_PPC_BOOK3S_32 426 struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; 427 #endif 428 429 ulong gpr[32]; 430 431 struct thread_fp_state fp; 432 433 #ifdef CONFIG_SPE 434 ulong evr[32]; 435 ulong spefscr; 436 ulong host_spefscr; 437 u64 acc; 438 #endif 439 #ifdef CONFIG_ALTIVEC 440 struct thread_vr_state vr; 441 #endif 442 443 #ifdef CONFIG_KVM_BOOKE_HV 444 u32 host_mas4; 445 u32 host_mas6; 446 u32 shadow_epcr; 447 u32 shadow_msrp; 448 u32 eplc; 449 u32 epsc; 450 u32 oldpir; 451 #endif 452 453 #if defined(CONFIG_BOOKE) 454 #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) 455 u32 epcr; 456 #endif 457 #endif 458 459 #ifdef CONFIG_PPC_BOOK3S 460 /* For Gekko paired singles */ 461 u32 qpr[32]; 462 #endif 463 464 ulong pc; 465 ulong ctr; 466 ulong lr; 467 #ifdef CONFIG_PPC_BOOK3S 468 ulong tar; 469 #endif 470 471 ulong xer; 472 u32 cr; 473 474 #ifdef CONFIG_PPC_BOOK3S 475 ulong hflags; 476 ulong guest_owned_ext; 477 ulong purr; 478 ulong spurr; 479 ulong ic; 480 ulong vtb; 481 ulong dscr; 482 ulong amr; 483 ulong uamor; 484 ulong iamr; 485 u32 ctrl; 486 u32 dabrx; 487 ulong dabr; 488 ulong dawr; 489 ulong dawrx; 490 ulong ciabr; 491 ulong cfar; 492 ulong ppr; 493 u32 pspb; 494 ulong fscr; 495 ulong shadow_fscr; 496 ulong ebbhr; 497 ulong ebbrr; 498 ulong bescr; 499 ulong csigr; 500 ulong tacr; 501 ulong tcscr; 502 ulong acop; 503 ulong wort; 504 ulong shadow_srr1; 505 #endif 506 u32 vrsave; /* also USPRG0 */ 507 u32 mmucr; 508 /* shadow_msr is unused for BookE HV */ 509 ulong shadow_msr; 510 ulong csrr0; 511 ulong csrr1; 512 ulong dsrr0; 513 ulong dsrr1; 514 ulong mcsrr0; 515 ulong mcsrr1; 516 ulong mcsr; 517 u32 dec; 518 #ifdef CONFIG_BOOKE 519 u32 decar; 520 #endif 521 /* Time base value when we entered the guest */ 522 u64 entry_tb; 523 u64 entry_vtb; 524 u64 entry_ic; 525 u32 tcr; 526 ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ 527 u32 ivor[64]; 528 ulong ivpr; 529 u32 pvr; 530 531 u32 shadow_pid; 532 u32 shadow_pid1; 533 u32 pid; 534 u32 swap_pid; 535 536 u32 ccr0; 537 u32 ccr1; 538 u32 dbsr; 539 540 u64 mmcr[5]; 541 u32 pmc[8]; 542 u32 spmc[2]; 543 u64 siar; 544 u64 sdar; 545 u64 sier; 546 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 547 u64 tfhar; 548 u64 texasr; 549 u64 tfiar; 550 551 u32 cr_tm; 552 u64 lr_tm; 553 u64 ctr_tm; 554 u64 amr_tm; 555 u64 ppr_tm; 556 u64 dscr_tm; 557 u64 tar_tm; 558 559 ulong gpr_tm[32]; 560 561 struct thread_fp_state fp_tm; 562 563 struct thread_vr_state vr_tm; 564 u32 vrsave_tm; /* also USPRG0 */ 565 566 #endif 567 568 #ifdef CONFIG_KVM_EXIT_TIMING 569 struct mutex exit_timing_lock; 570 struct kvmppc_exit_timing timing_exit; 571 struct kvmppc_exit_timing timing_last_enter; 572 u32 last_exit_type; 573 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 574 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 575 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 576 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 577 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 578 u64 timing_last_exit; 579 struct dentry *debugfs_exit_timing; 580 #endif 581 582 #ifdef CONFIG_PPC_BOOK3S 583 ulong fault_dar; 584 u32 fault_dsisr; 585 unsigned long intr_msr; 586 #endif 587 588 #ifdef CONFIG_BOOKE 589 ulong fault_dear; 590 ulong fault_esr; 591 ulong queued_dear; 592 ulong queued_esr; 593 spinlock_t wdt_lock; 594 struct timer_list wdt_timer; 595 u32 tlbcfg[4]; 596 u32 tlbps[4]; 597 u32 mmucfg; 598 u32 eptcfg; 599 u32 epr; 600 u64 sprg9; 601 u32 pwrmgtcr0; 602 u32 crit_save; 603 /* guest debug registers*/ 604 struct debug_reg dbg_reg; 605 #endif 606 gpa_t paddr_accessed; 607 gva_t vaddr_accessed; 608 pgd_t *pgdir; 609 610 u8 io_gpr; /* GPR used as IO source/target */ 611 u8 mmio_host_swabbed; 612 u8 mmio_sign_extend; 613 u8 osi_needed; 614 u8 osi_enabled; 615 u8 papr_enabled; 616 u8 watchdog_enabled; 617 u8 sane; 618 u8 cpu_type; 619 u8 hcall_needed; 620 u8 epr_flags; /* KVMPPC_EPR_xxx */ 621 u8 epr_needed; 622 623 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 624 625 struct hrtimer dec_timer; 626 u64 dec_jiffies; 627 u64 dec_expires; 628 unsigned long pending_exceptions; 629 u8 ceded; 630 u8 prodded; 631 u32 last_inst; 632 633 wait_queue_head_t *wqp; 634 struct kvmppc_vcore *vcore; 635 int ret; 636 int trap; 637 int state; 638 int ptid; 639 int thread_cpu; 640 bool timer_running; 641 wait_queue_head_t cpu_run; 642 643 struct kvm_vcpu_arch_shared *shared; 644 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) 645 bool shared_big_endian; 646 #endif 647 unsigned long magic_page_pa; /* phys addr to map the magic page to */ 648 unsigned long magic_page_ea; /* effect. addr to map the magic page to */ 649 bool disable_kernel_nx; 650 651 int irq_type; /* one of KVM_IRQ_* */ 652 int irq_cpu_id; 653 struct openpic *mpic; /* KVM_IRQ_MPIC */ 654 #ifdef CONFIG_KVM_XICS 655 struct kvmppc_icp *icp; /* XICS presentation controller */ 656 #endif 657 658 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 659 struct kvm_vcpu_arch_shared shregs; 660 661 unsigned long pgfault_addr; 662 long pgfault_index; 663 unsigned long pgfault_hpte[2]; 664 665 struct list_head run_list; 666 struct task_struct *run_task; 667 struct kvm_run *kvm_run; 668 669 spinlock_t vpa_update_lock; 670 struct kvmppc_vpa vpa; 671 struct kvmppc_vpa dtl; 672 struct dtl_entry *dtl_ptr; 673 unsigned long dtl_index; 674 u64 stolen_logged; 675 struct kvmppc_vpa slb_shadow; 676 677 spinlock_t tbacct_lock; 678 u64 busy_stolen; 679 u64 busy_preempt; 680 681 u32 emul_inst; 682 #endif 683 684 #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING 685 struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ 686 u64 cur_tb_start; /* when it started */ 687 struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ 688 struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ 689 struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ 690 struct kvmhv_tb_accumulator guest_time; /* guest execution */ 691 struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ 692 693 struct dentry *debugfs_dir; 694 struct dentry *debugfs_timings; 695 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ 696 }; 697 698 #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] 699 700 /* Values for vcpu->arch.state */ 701 #define KVMPPC_VCPU_NOTREADY 0 702 #define KVMPPC_VCPU_RUNNABLE 1 703 #define KVMPPC_VCPU_BUSY_IN_HOST 2 704 705 /* Values for vcpu->arch.io_gpr */ 706 #define KVM_MMIO_REG_MASK 0x001f 707 #define KVM_MMIO_REG_EXT_MASK 0xffe0 708 #define KVM_MMIO_REG_GPR 0x0000 709 #define KVM_MMIO_REG_FPR 0x0020 710 #define KVM_MMIO_REG_QPR 0x0040 711 #define KVM_MMIO_REG_FQPR 0x0060 712 713 #define __KVM_HAVE_ARCH_WQP 714 #define __KVM_HAVE_CREATE_DEVICE 715 716 static inline void kvm_arch_hardware_disable(void) {} 717 static inline void kvm_arch_hardware_unsetup(void) {} 718 static inline void kvm_arch_sync_events(struct kvm *kvm) {} 719 static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} 720 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} 721 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} 722 static inline void kvm_arch_exit(void) {} 723 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} 724 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} 725 726 #endif /* __POWERPC_KVM_HOST_H__ */ 727