arch/powerpc/kvm/book3s.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved.
   4  *
   5  * Authors:
   6  *    Alexander Graf <[email protected]>
   7  *    Kevin Wolf <[email protected]>
   8  *
   9  * Description:
  10  * This file is derived from arch/powerpc/kvm/44x.c,
  11  * by Hollis Blanchard <[email protected]>.
  12  */
  13
  14 #include <linux/kvm_host.h>
  15 #include <linux/err.h>
  16 #include <linux/export.h>
  17 #include <linux/slab.h>
  18 #include <linux/module.h>
  19 #include <linux/miscdevice.h>
  20 #include <linux/gfp.h>
  21 #include <linux/sched.h>
  22 #include <linux/vmalloc.h>
  23 #include <linux/highmem.h>
  24
  25 #include <asm/reg.h>
  26 #include <asm/cputable.h>
  27 #include <asm/cacheflush.h>
  28 #include <linux/uaccess.h>
  29 #include <asm/io.h>
  30 #include <asm/kvm_ppc.h>
  31 #include <asm/kvm_book3s.h>
  32 #include <asm/mmu_context.h>
  33 #include <asm/page.h>
  34 #include <asm/xive.h>
  35
  36 #include "book3s.h"
  37 #include "trace.h"
  38
  39 /* #define EXIT_DEBUG */
  40
  41 const struct _kvm_stats_desc kvm_vm_stats_desc[] = {
  42         KVM_GENERIC_VM_STATS(),
  43         STATS_DESC_ICOUNTER(VM, num_2M_pages),
  44         STATS_DESC_ICOUNTER(VM, num_1G_pages)
  45 };
  46
  47 const struct kvm_stats_header kvm_vm_stats_header = {
  48         .name_size = KVM_STATS_NAME_SIZE,
  49         .num_desc = ARRAY_SIZE(kvm_vm_stats_desc),
  50         .id_offset = sizeof(struct kvm_stats_header),
  51         .desc_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE,
  52         .data_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE +
  53                        sizeof(kvm_vm_stats_desc),
  54 };
  55
  56 const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = {
  57         KVM_GENERIC_VCPU_STATS(),
  58         STATS_DESC_COUNTER(VCPU, sum_exits),
  59         STATS_DESC_COUNTER(VCPU, mmio_exits),
  60         STATS_DESC_COUNTER(VCPU, signal_exits),
  61         STATS_DESC_COUNTER(VCPU, light_exits),
  62         STATS_DESC_COUNTER(VCPU, itlb_real_miss_exits),
  63         STATS_DESC_COUNTER(VCPU, itlb_virt_miss_exits),
  64         STATS_DESC_COUNTER(VCPU, dtlb_real_miss_exits),
  65         STATS_DESC_COUNTER(VCPU, dtlb_virt_miss_exits),
  66         STATS_DESC_COUNTER(VCPU, syscall_exits),
  67         STATS_DESC_COUNTER(VCPU, isi_exits),
  68         STATS_DESC_COUNTER(VCPU, dsi_exits),
  69         STATS_DESC_COUNTER(VCPU, emulated_inst_exits),
  70         STATS_DESC_COUNTER(VCPU, dec_exits),
  71         STATS_DESC_COUNTER(VCPU, ext_intr_exits),
  72         STATS_DESC_COUNTER(VCPU, halt_successful_wait),
  73         STATS_DESC_COUNTER(VCPU, dbell_exits),
  74         STATS_DESC_COUNTER(VCPU, gdbell_exits),
  75         STATS_DESC_COUNTER(VCPU, ld),
  76         STATS_DESC_COUNTER(VCPU, st),
  77         STATS_DESC_COUNTER(VCPU, pf_storage),
  78         STATS_DESC_COUNTER(VCPU, pf_instruc),
  79         STATS_DESC_COUNTER(VCPU, sp_storage),
  80         STATS_DESC_COUNTER(VCPU, sp_instruc),
  81         STATS_DESC_COUNTER(VCPU, queue_intr),
  82         STATS_DESC_COUNTER(VCPU, ld_slow),
  83         STATS_DESC_COUNTER(VCPU, st_slow),
  84         STATS_DESC_COUNTER(VCPU, pthru_all),
  85         STATS_DESC_COUNTER(VCPU, pthru_host),
  86         STATS_DESC_COUNTER(VCPU, pthru_bad_aff)
  87 };
  88
  89 const struct kvm_stats_header kvm_vcpu_stats_header = {
  90         .name_size = KVM_STATS_NAME_SIZE,
  91         .num_desc = ARRAY_SIZE(kvm_vcpu_stats_desc),
  92         .id_offset = sizeof(struct kvm_stats_header),
  93         .desc_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE,
  94         .data_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE +
  95                        sizeof(kvm_vcpu_stats_desc),
  96 };
  97
  98 static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
  99                         unsigned long pending_now, unsigned long old_pending)
 100 {
 101         if (is_kvmppc_hv_enabled(vcpu->kvm))
 102                 return;
 103         if (pending_now)
 104                 kvmppc_set_int_pending(vcpu, 1);
 105         else if (old_pending)
 106                 kvmppc_set_int_pending(vcpu, 0);
 107 }
 108
 109 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
 110 {
 111         ulong crit_raw;
 112         ulong crit_r1;
 113         bool crit;
 114
 115         if (is_kvmppc_hv_enabled(vcpu->kvm))
 116                 return false;
 117
 118         crit_raw = kvmppc_get_critical(vcpu);
 119         crit_r1 = kvmppc_get_gpr(vcpu, 1);
 120
 121         /* Truncate crit indicators in 32 bit mode */
 122         if (!(kvmppc_get_msr(vcpu) & MSR_SF)) {
 123                 crit_raw &= 0xffffffff;
 124                 crit_r1 &= 0xffffffff;
 125         }
 126
 127         /* Critical section when crit == r1 */
 128         crit = (crit_raw == crit_r1);
 129         /* ... and we're in supervisor mode */
 130         crit = crit && !(kvmppc_get_msr(vcpu) & MSR_PR);
 131
 132         return crit;
 133 }
 134
 135 void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
 136 {
 137         vcpu->kvm->arch.kvm_ops->inject_interrupt(vcpu, vec, flags);
 138 }
 139
 140 static int kvmppc_book3s_vec2irqprio(unsigned int vec)
 141 {
 142         unsigned int prio;
 143
 144         switch (vec) {
 145         case 0x100: prio = BOOK3S_IRQPRIO_SYSTEM_RESET;         break;
 146         case 0x200: prio = BOOK3S_IRQPRIO_MACHINE_CHECK;        break;
 147         case 0x300: prio = BOOK3S_IRQPRIO_DATA_STORAGE;         break;
 148         case 0x380: prio = BOOK3S_IRQPRIO_DATA_SEGMENT;         break;
 149         case 0x400: prio = BOOK3S_IRQPRIO_INST_STORAGE;         break;
 150         case 0x480: prio = BOOK3S_IRQPRIO_INST_SEGMENT;         break;
 151         case 0x500: prio = BOOK3S_IRQPRIO_EXTERNAL;             break;
 152         case 0x600: prio = BOOK3S_IRQPRIO_ALIGNMENT;            break;
 153         case 0x700: prio = BOOK3S_IRQPRIO_PROGRAM;              break;
 154         case 0x800: prio = BOOK3S_IRQPRIO_FP_UNAVAIL;           break;
 155         case 0x900: prio = BOOK3S_IRQPRIO_DECREMENTER;          break;
 156         case 0xc00: prio = BOOK3S_IRQPRIO_SYSCALL;              break;
 157         case 0xd00: prio = BOOK3S_IRQPRIO_DEBUG;                break;
 158         case 0xf20: prio = BOOK3S_IRQPRIO_ALTIVEC;              break;
 159         case 0xf40: prio = BOOK3S_IRQPRIO_VSX;                  break;
 160         case 0xf60: prio = BOOK3S_IRQPRIO_FAC_UNAVAIL;          break;
 161         default:    prio = BOOK3S_IRQPRIO_MAX;                  break;
 162         }
 163
 164         return prio;
 165 }
 166
 167 void kvmppc_book3s_dequeue_irqprio(struct kvm_vcpu *vcpu,
 168                                           unsigned int vec)
 169 {
 170         unsigned long old_pending = vcpu->arch.pending_exceptions;
 171
 172         clear_bit(kvmppc_book3s_vec2irqprio(vec),
 173                   &vcpu->arch.pending_exceptions);
 174
 175         kvmppc_update_int_pending(vcpu, vcpu->arch.pending_exceptions,
 176                                   old_pending);
 177 }
 178
 179 void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)
 180 {
 181         vcpu->stat.queue_intr++;
 182
 183         set_bit(kvmppc_book3s_vec2irqprio(vec),
 184                 &vcpu->arch.pending_exceptions);
 185 #ifdef EXIT_DEBUG
 186         printk(KERN_INFO "Queueing interrupt %x\n", vec);
 187 #endif
 188 }
 189 EXPORT_SYMBOL_GPL(kvmppc_book3s_queue_irqprio);
 190
 191 void kvmppc_core_queue_machine_check(struct kvm_vcpu *vcpu, ulong srr1_flags)
 192 {
 193         /* might as well deliver this straight away */
 194         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_MACHINE_CHECK, srr1_flags);
 195 }
 196 EXPORT_SYMBOL_GPL(kvmppc_core_queue_machine_check);
 197
 198 void kvmppc_core_queue_syscall(struct kvm_vcpu *vcpu)
 199 {
 200         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_SYSCALL, 0);
 201 }
 202 EXPORT_SYMBOL(kvmppc_core_queue_syscall);
 203
 204 void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong srr1_flags)
 205 {
 206         /* might as well deliver this straight away */
 207         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_PROGRAM, srr1_flags);
 208 }
 209 EXPORT_SYMBOL_GPL(kvmppc_core_queue_program);
 210
 211 void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu, ulong srr1_flags)
 212 {
 213         /* might as well deliver this straight away */
 214         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, srr1_flags);
 215 }
 216
 217 void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu, ulong srr1_flags)
 218 {
 219         /* might as well deliver this straight away */
 220         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_ALTIVEC, srr1_flags);
 221 }
 222
 223 void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu, ulong srr1_flags)
 224 {
 225         /* might as well deliver this straight away */
 226         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_VSX, srr1_flags);
 227 }
 228
 229 void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu)
 230 {
 231         kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);
 232 }
 233 EXPORT_SYMBOL_GPL(kvmppc_core_queue_dec);
 234
 235 int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu)
 236 {
 237         return test_bit(BOOK3S_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions);
 238 }
 239 EXPORT_SYMBOL_GPL(kvmppc_core_pending_dec);
 240
 241 void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu)
 242 {
 243         kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);
 244 }
 245 EXPORT_SYMBOL_GPL(kvmppc_core_dequeue_dec);
 246
 247 void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
 248                                 struct kvm_interrupt *irq)
 249 {
 250         /*
 251          * This case (KVM_INTERRUPT_SET) should never actually arise for
 252          * a pseries guest (because pseries guests expect their interrupt
 253          * controllers to continue asserting an external interrupt request
 254          * until it is acknowledged at the interrupt controller), but is
 255          * included to avoid ABI breakage and potentially for other
 256          * sorts of guest.
 257          *
 258          * There is a subtlety here: HV KVM does not test the
 259          * external_oneshot flag in the code that synthesizes
 260          * external interrupts for the guest just before entering
 261          * the guest.  That is OK even if userspace did do a
 262          * KVM_INTERRUPT_SET on a pseries guest vcpu, because the
 263          * caller (kvm_vcpu_ioctl_interrupt) does a kvm_vcpu_kick()
 264          * which ends up doing a smp_send_reschedule(), which will
 265          * pull the guest all the way out to the host, meaning that
 266          * we will call kvmppc_core_prepare_to_enter() before entering
 267          * the guest again, and that will handle the external_oneshot
 268          * flag correctly.
 269          */
 270         if (irq->irq == KVM_INTERRUPT_SET)
 271                 vcpu->arch.external_oneshot = 1;
 272
 273         kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL);
 274 }
 275
 276 void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu)
 277 {
 278         kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL);
 279 }
 280
 281 void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu, ulong srr1_flags,
 282                                     ulong dar, ulong dsisr)
 283 {
 284         kvmppc_set_dar(vcpu, dar);
 285         kvmppc_set_dsisr(vcpu, dsisr);
 286         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE, srr1_flags);
 287 }
 288 EXPORT_SYMBOL_GPL(kvmppc_core_queue_data_storage);
 289
 290 void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu, ulong srr1_flags)
 291 {
 292         kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_INST_STORAGE, srr1_flags);
 293 }
 294 EXPORT_SYMBOL_GPL(kvmppc_core_queue_inst_storage);
 295
 296 static int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu,
 297                                          unsigned int priority)
 298 {
 299         int deliver = 1;
 300         int vec = 0;
 301         bool crit = kvmppc_critical_section(vcpu);
 302
 303         switch (priority) {
 304         case BOOK3S_IRQPRIO_DECREMENTER:
 305                 deliver = !kvmhv_is_nestedv2() && (kvmppc_get_msr(vcpu) & MSR_EE) && !crit;
 306                 vec = BOOK3S_INTERRUPT_DECREMENTER;
 307                 break;
 308         case BOOK3S_IRQPRIO_EXTERNAL:
 309                 deliver = !kvmhv_is_nestedv2() && (kvmppc_get_msr(vcpu) & MSR_EE) && !crit;
 310                 vec = BOOK3S_INTERRUPT_EXTERNAL;
 311                 break;
 312         case BOOK3S_IRQPRIO_SYSTEM_RESET:
 313                 vec = BOOK3S_INTERRUPT_SYSTEM_RESET;
 314                 break;
 315         case BOOK3S_IRQPRIO_MACHINE_CHECK:
 316                 vec = BOOK3S_INTERRUPT_MACHINE_CHECK;
 317                 break;
 318         case BOOK3S_IRQPRIO_DATA_STORAGE:
 319                 vec = BOOK3S_INTERRUPT_DATA_STORAGE;
 320                 break;
 321         case BOOK3S_IRQPRIO_INST_STORAGE:
 322                 vec = BOOK3S_INTERRUPT_INST_STORAGE;
 323                 break;
 324         case BOOK3S_IRQPRIO_DATA_SEGMENT:
 325                 vec = BOOK3S_INTERRUPT_DATA_SEGMENT;
 326                 break;
 327         case BOOK3S_IRQPRIO_INST_SEGMENT:
 328                 vec = BOOK3S_INTERRUPT_INST_SEGMENT;
 329                 break;
 330         case BOOK3S_IRQPRIO_ALIGNMENT:
 331                 vec = BOOK3S_INTERRUPT_ALIGNMENT;
 332                 break;
 333         case BOOK3S_IRQPRIO_PROGRAM:
 334                 vec = BOOK3S_INTERRUPT_PROGRAM;
 335                 break;
 336         case BOOK3S_IRQPRIO_VSX:
 337                 vec = BOOK3S_INTERRUPT_VSX;
 338                 break;
 339         case BOOK3S_IRQPRIO_ALTIVEC:
 340                 vec = BOOK3S_INTERRUPT_ALTIVEC;
 341                 break;
 342         case BOOK3S_IRQPRIO_FP_UNAVAIL:
 343                 vec = BOOK3S_INTERRUPT_FP_UNAVAIL;
 344                 break;
 345         case BOOK3S_IRQPRIO_SYSCALL:
 346                 vec = BOOK3S_INTERRUPT_SYSCALL;
 347                 break;
 348         case BOOK3S_IRQPRIO_DEBUG:
 349                 vec = BOOK3S_INTERRUPT_TRACE;
 350                 break;
 351         case BOOK3S_IRQPRIO_PERFORMANCE_MONITOR:
 352                 vec = BOOK3S_INTERRUPT_PERFMON;
 353                 break;
 354         case BOOK3S_IRQPRIO_FAC_UNAVAIL:
 355                 vec = BOOK3S_INTERRUPT_FAC_UNAVAIL;
 356                 break;
 357         default:
 358                 deliver = 0;
 359                 printk(KERN_ERR "KVM: Unknown interrupt: 0x%x\n", priority);
 360                 break;
 361         }
 362
 363         if (deliver)
 364                 kvmppc_inject_interrupt(vcpu, vec, 0);
 365
 366         return deliver;
 367 }
 368
 369 /*
 370  * This function determines if an irqprio should be cleared once issued.
 371  */
 372 static bool clear_irqprio(struct kvm_vcpu *vcpu, unsigned int priority)
 373 {
 374         switch (priority) {
 375                 case BOOK3S_IRQPRIO_DECREMENTER:
 376                         /* DEC interrupts get cleared by mtdec */
 377                         return false;
 378                 case BOOK3S_IRQPRIO_EXTERNAL:
 379                         /*
 380                          * External interrupts get cleared by userspace
 381                          * except when set by the KVM_INTERRUPT ioctl with
 382                          * KVM_INTERRUPT_SET (not KVM_INTERRUPT_SET_LEVEL).
 383                          */
 384                         if (vcpu->arch.external_oneshot) {
 385                                 vcpu->arch.external_oneshot = 0;
 386                                 return true;
 387                         }
 388                         return false;
 389         }
 390
 391         return true;
 392 }
 393
 394 int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
 395 {
 396         unsigned long *pending = &vcpu->arch.pending_exceptions;
 397         unsigned long old_pending = vcpu->arch.pending_exceptions;
 398         unsigned int priority;
 399
 400 #ifdef EXIT_DEBUG
 401         if (vcpu->arch.pending_exceptions)
 402                 printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions);
 403 #endif
 404         priority = __ffs(*pending);
 405         while (priority < BOOK3S_IRQPRIO_MAX) {
 406                 if (kvmppc_book3s_irqprio_deliver(vcpu, priority) &&
 407                     clear_irqprio(vcpu, priority)) {
 408                         clear_bit(priority, &vcpu->arch.pending_exceptions);
 409                         break;
 410                 }
 411
 412                 priority = find_next_bit(pending,
 413                                          BITS_PER_BYTE * sizeof(*pending),
 414                                          priority + 1);
 415         }
 416
 417         /* Tell the guest about our interrupt status */
 418         kvmppc_update_int_pending(vcpu, *pending, old_pending);
 419
 420         return 0;
 421 }
 422 EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter);
 423
 424 kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
 425                         bool *writable)
 426 {
 427         ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM;
 428         gfn_t gfn = gpa >> PAGE_SHIFT;
 429
 430         if (!(kvmppc_get_msr(vcpu) & MSR_SF))
 431                 mp_pa = (uint32_t)mp_pa;
 432
 433         /* Magic page override */
 434         gpa &= ~0xFFFULL;
 435         if (unlikely(mp_pa) && unlikely((gpa & KVM_PAM) == mp_pa)) {
 436                 ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
 437                 kvm_pfn_t pfn;
 438
 439                 pfn = (kvm_pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
 440                 get_page(pfn_to_page(pfn));
 441                 if (writable)
 442                         *writable = true;
 443                 return pfn;
 444         }
 445
 446         return gfn_to_pfn_prot(vcpu->kvm, gfn, writing, writable);
 447 }
 448 EXPORT_SYMBOL_GPL(kvmppc_gpa_to_pfn);
 449
 450 int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid,
 451                  enum xlate_readwrite xlrw, struct kvmppc_pte *pte)
 452 {
 453         bool data = (xlid == XLATE_DATA);
 454         bool iswrite = (xlrw == XLATE_WRITE);
 455         int relocated = (kvmppc_get_msr(vcpu) & (data ? MSR_DR : MSR_IR));
 456         int r;
 457
 458         if (relocated) {
 459                 r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data, iswrite);
 460         } else {
 461                 pte->eaddr = eaddr;
 462                 pte->raddr = eaddr & KVM_PAM;
 463                 pte->vpage = VSID_REAL | eaddr >> 12;
 464                 pte->may_read = true;
 465                 pte->may_write = true;
 466                 pte->may_execute = true;
 467                 r = 0;
 468
 469                 if ((kvmppc_get_msr(vcpu) & (MSR_IR | MSR_DR)) == MSR_DR &&
 470                     !data) {
 471                         if ((vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) &&
 472                             ((eaddr & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS))
 473                         pte->raddr &= ~SPLIT_HACK_MASK;
 474                 }
 475         }
 476
 477         return r;
 478 }
 479
 480 /*
 481  * Returns prefixed instructions with the prefix in the high 32 bits
 482  * of *inst and suffix in the low 32 bits.  This is the same convention
 483  * as used in HEIR, vcpu->arch.last_inst and vcpu->arch.emul_inst.
 484  * Like vcpu->arch.last_inst but unlike vcpu->arch.emul_inst, each
 485  * half of the value needs byte-swapping if the guest endianness is
 486  * different from the host endianness.
 487  */
 488 int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
 489                 enum instruction_fetch_type type, unsigned long *inst)
 490 {
 491         ulong pc = kvmppc_get_pc(vcpu);
 492         int r;
 493         u32 iw;
 494
 495         if (type == INST_SC)
 496                 pc -= 4;
 497
 498         r = kvmppc_ld(vcpu, &pc, sizeof(u32), &iw, false);
 499         if (r != EMULATE_DONE)
 500                 return EMULATE_AGAIN;
 501         /*
 502          * If [H]SRR1 indicates that the instruction that caused the
 503          * current interrupt is a prefixed instruction, get the suffix.
 504          */
 505         if (kvmppc_get_msr(vcpu) & SRR1_PREFIXED) {
 506                 u32 suffix;
 507                 pc += 4;
 508                 r = kvmppc_ld(vcpu, &pc, sizeof(u32), &suffix, false);
 509                 if (r != EMULATE_DONE)
 510                         return EMULATE_AGAIN;
 511                 *inst = ((u64)iw << 32) | suffix;
 512         } else {
 513                 *inst = iw;
 514         }
 515         return r;
 516 }
 517 EXPORT_SYMBOL_GPL(kvmppc_load_last_inst);
 518
 519 int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu)
 520 {
 521         return 0;
 522 }
 523
 524 void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu)
 525 {
 526 }
 527
 528 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 529                                   struct kvm_sregs *sregs)
 530 {
 531         int ret;
 532
 533         vcpu_load(vcpu);
 534         ret = vcpu->kvm->arch.kvm_ops->get_sregs(vcpu, sregs);
 535         vcpu_put(vcpu);
 536
 537         return ret;
 538 }
 539
 540 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 541                                   struct kvm_sregs *sregs)
 542 {
 543         int ret;
 544
 545         vcpu_load(vcpu);
 546         ret = vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
 547         vcpu_put(vcpu);
 548
 549         return ret;
 550 }
 551
 552 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 553 {
 554         int i;
 555
 556         regs->pc = kvmppc_get_pc(vcpu);
 557         regs->cr = kvmppc_get_cr(vcpu);
 558         regs->ctr = kvmppc_get_ctr(vcpu);
 559         regs->lr = kvmppc_get_lr(vcpu);
 560         regs->xer = kvmppc_get_xer(vcpu);
 561         regs->msr = kvmppc_get_msr(vcpu);
 562         regs->srr0 = kvmppc_get_srr0(vcpu);
 563         regs->srr1 = kvmppc_get_srr1(vcpu);
 564         regs->pid = kvmppc_get_pid(vcpu);
 565         regs->sprg0 = kvmppc_get_sprg0(vcpu);
 566         regs->sprg1 = kvmppc_get_sprg1(vcpu);
 567         regs->sprg2 = kvmppc_get_sprg2(vcpu);
 568         regs->sprg3 = kvmppc_get_sprg3(vcpu);
 569         regs->sprg4 = kvmppc_get_sprg4(vcpu);
 570         regs->sprg5 = kvmppc_get_sprg5(vcpu);
 571         regs->sprg6 = kvmppc_get_sprg6(vcpu);
 572         regs->sprg7 = kvmppc_get_sprg7(vcpu);
 573
 574         for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 575                 regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
 576
 577         return 0;
 578 }
 579
 580 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 581 {
 582         int i;
 583
 584         kvmppc_set_pc(vcpu, regs->pc);
 585         kvmppc_set_cr(vcpu, regs->cr);
 586         kvmppc_set_ctr(vcpu, regs->ctr);
 587         kvmppc_set_lr(vcpu, regs->lr);
 588         kvmppc_set_xer(vcpu, regs->xer);
 589         kvmppc_set_msr(vcpu, regs->msr);
 590         kvmppc_set_srr0(vcpu, regs->srr0);
 591         kvmppc_set_srr1(vcpu, regs->srr1);
 592         kvmppc_set_sprg0(vcpu, regs->sprg0);
 593         kvmppc_set_sprg1(vcpu, regs->sprg1);
 594         kvmppc_set_sprg2(vcpu, regs->sprg2);
 595         kvmppc_set_sprg3(vcpu, regs->sprg3);
 596         kvmppc_set_sprg4(vcpu, regs->sprg4);
 597         kvmppc_set_sprg5(vcpu, regs->sprg5);
 598         kvmppc_set_sprg6(vcpu, regs->sprg6);
 599         kvmppc_set_sprg7(vcpu, regs->sprg7);
 600
 601         for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 602                 kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
 603
 604         return 0;
 605 }
 606
 607 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 608 {
 609         return -EOPNOTSUPP;
 610 }
 611
 612 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 613 {
 614         return -EOPNOTSUPP;
 615 }
 616
 617 int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id,
 618                         union kvmppc_one_reg *val)
 619 {
 620         int r = 0;
 621         long int i;
 622
 623         r = vcpu->kvm->arch.kvm_ops->get_one_reg(vcpu, id, val);
 624         if (r == -EINVAL) {
 625                 r = 0;
 626                 switch (id) {
 627                 case KVM_REG_PPC_DAR:
 628                         *val = get_reg_val(id, kvmppc_get_dar(vcpu));
 629                         break;
 630                 case KVM_REG_PPC_DSISR:
 631                         *val = get_reg_val(id, kvmppc_get_dsisr(vcpu));
 632                         break;
 633                 case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
 634                         i = id - KVM_REG_PPC_FPR0;
 635                         *val = get_reg_val(id, kvmppc_get_fpr(vcpu, i));
 636                         break;
 637                 case KVM_REG_PPC_FPSCR:
 638                         *val = get_reg_val(id, kvmppc_get_fpscr(vcpu));
 639                         break;
 640 #ifdef CONFIG_VSX
 641                 case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
 642                         if (cpu_has_feature(CPU_FTR_VSX)) {
 643                                 i = id - KVM_REG_PPC_VSR0;
 644                                 val->vsxval[0] = kvmppc_get_vsx_fpr(vcpu, i, 0);
 645                                 val->vsxval[1] = kvmppc_get_vsx_fpr(vcpu, i, 1);
 646                         } else {
 647                                 r = -ENXIO;
 648                         }
 649                         break;
 650 #endif /* CONFIG_VSX */
 651                 case KVM_REG_PPC_DEBUG_INST:
 652                         *val = get_reg_val(id, INS_TW);
 653                         break;
 654 #ifdef CONFIG_KVM_XICS
 655                 case KVM_REG_PPC_ICP_STATE:
 656                         if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) {
 657                                 r = -ENXIO;
 658                                 break;
 659                         }
 660                         if (xics_on_xive())
 661                                 *val = get_reg_val(id, kvmppc_xive_get_icp(vcpu));
 662                         else
 663                                 *val = get_reg_val(id, kvmppc_xics_get_icp(vcpu));
 664                         break;
 665 #endif /* CONFIG_KVM_XICS */
 666 #ifdef CONFIG_KVM_XIVE
 667                 case KVM_REG_PPC_VP_STATE:
 668                         if (!vcpu->arch.xive_vcpu) {
 669                                 r = -ENXIO;
 670                                 break;
 671                         }
 672                         if (xive_enabled())
 673                                 r = kvmppc_xive_native_get_vp(vcpu, val);
 674                         else
 675                                 r = -ENXIO;
 676                         break;
 677 #endif /* CONFIG_KVM_XIVE */
 678                 case KVM_REG_PPC_FSCR:
 679                         *val = get_reg_val(id, vcpu->arch.fscr);
 680                         break;
 681                 case KVM_REG_PPC_TAR:
 682                         *val = get_reg_val(id, kvmppc_get_tar(vcpu));
 683                         break;
 684                 case KVM_REG_PPC_EBBHR:
 685                         *val = get_reg_val(id, kvmppc_get_ebbhr(vcpu));
 686                         break;
 687                 case KVM_REG_PPC_EBBRR:
 688                         *val = get_reg_val(id, kvmppc_get_ebbrr(vcpu));
 689                         break;
 690                 case KVM_REG_PPC_BESCR:
 691                         *val = get_reg_val(id, kvmppc_get_bescr(vcpu));
 692                         break;
 693                 case KVM_REG_PPC_IC:
 694                         *val = get_reg_val(id, kvmppc_get_ic(vcpu));
 695                         break;
 696                 default:
 697                         r = -EINVAL;
 698                         break;
 699                 }
 700         }
 701
 702         return r;
 703 }
 704
 705 int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id,
 706                         union kvmppc_one_reg *val)
 707 {
 708         int r = 0;
 709         long int i;
 710
 711         r = vcpu->kvm->arch.kvm_ops->set_one_reg(vcpu, id, val);
 712         if (r == -EINVAL) {
 713                 r = 0;
 714                 switch (id) {
 715                 case KVM_REG_PPC_DAR:
 716                         kvmppc_set_dar(vcpu, set_reg_val(id, *val));
 717                         break;
 718                 case KVM_REG_PPC_DSISR:
 719                         kvmppc_set_dsisr(vcpu, set_reg_val(id, *val));
 720                         break;
 721                 case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
 722                         i = id - KVM_REG_PPC_FPR0;
 723                         kvmppc_set_fpr(vcpu, i, set_reg_val(id, *val));
 724                         break;
 725                 case KVM_REG_PPC_FPSCR:
 726                         vcpu->arch.fp.fpscr = set_reg_val(id, *val);
 727                         break;
 728 #ifdef CONFIG_VSX
 729                 case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
 730                         if (cpu_has_feature(CPU_FTR_VSX)) {
 731                                 i = id - KVM_REG_PPC_VSR0;
 732                                 kvmppc_set_vsx_fpr(vcpu, i, 0, val->vsxval[0]);
 733                                 kvmppc_set_vsx_fpr(vcpu, i, 1, val->vsxval[1]);
 734                         } else {
 735                                 r = -ENXIO;
 736                         }
 737                         break;
 738 #endif /* CONFIG_VSX */
 739 #ifdef CONFIG_KVM_XICS
 740                 case KVM_REG_PPC_ICP_STATE:
 741                         if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) {
 742                                 r = -ENXIO;
 743                                 break;
 744                         }
 745                         if (xics_on_xive())
 746                                 r = kvmppc_xive_set_icp(vcpu, set_reg_val(id, *val));
 747                         else
 748                                 r = kvmppc_xics_set_icp(vcpu, set_reg_val(id, *val));
 749                         break;
 750 #endif /* CONFIG_KVM_XICS */
 751 #ifdef CONFIG_KVM_XIVE
 752                 case KVM_REG_PPC_VP_STATE:
 753                         if (!vcpu->arch.xive_vcpu) {
 754                                 r = -ENXIO;
 755                                 break;
 756                         }
 757                         if (xive_enabled())
 758                                 r = kvmppc_xive_native_set_vp(vcpu, val);
 759                         else
 760                                 r = -ENXIO;
 761                         break;
 762 #endif /* CONFIG_KVM_XIVE */
 763                 case KVM_REG_PPC_FSCR:
 764                         kvmppc_set_fpscr(vcpu, set_reg_val(id, *val));
 765                         break;
 766                 case KVM_REG_PPC_TAR:
 767                         kvmppc_set_tar(vcpu, set_reg_val(id, *val));
 768                         break;
 769                 case KVM_REG_PPC_EBBHR:
 770                         kvmppc_set_ebbhr(vcpu, set_reg_val(id, *val));
 771                         break;
 772                 case KVM_REG_PPC_EBBRR:
 773                         kvmppc_set_ebbrr(vcpu, set_reg_val(id, *val));
 774                         break;
 775                 case KVM_REG_PPC_BESCR:
 776                         kvmppc_set_bescr(vcpu, set_reg_val(id, *val));
 777                         break;
 778                 case KVM_REG_PPC_IC:
 779                         kvmppc_set_ic(vcpu, set_reg_val(id, *val));
 780                         break;
 781                 default:
 782                         r = -EINVAL;
 783                         break;
 784                 }
 785         }
 786
 787         return r;
 788 }
 789
 790 void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 791 {
 792         vcpu->kvm->arch.kvm_ops->vcpu_load(vcpu, cpu);
 793 }
 794
 795 void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
 796 {
 797         vcpu->kvm->arch.kvm_ops->vcpu_put(vcpu);
 798 }
 799
 800 void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 801 {
 802         vcpu->kvm->arch.kvm_ops->set_msr(vcpu, msr);
 803 }
 804 EXPORT_SYMBOL_GPL(kvmppc_set_msr);
 805
 806 int kvmppc_vcpu_run(struct kvm_vcpu *vcpu)
 807 {
 808         return vcpu->kvm->arch.kvm_ops->vcpu_run(vcpu);
 809 }
 810
 811 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
 812                                   struct kvm_translation *tr)
 813 {
 814         return 0;
 815 }
 816
 817 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
 818                                         struct kvm_guest_debug *dbg)
 819 {
 820         vcpu_load(vcpu);
 821         vcpu->guest_debug = dbg->control;
 822         vcpu_put(vcpu);
 823         return 0;
 824 }
 825
 826 void kvmppc_decrementer_func(struct kvm_vcpu *vcpu)
 827 {
 828         kvmppc_core_queue_dec(vcpu);
 829         kvm_vcpu_kick(vcpu);
 830 }
 831
 832 int kvmppc_core_vcpu_create(struct kvm_vcpu *vcpu)
 833 {
 834         return vcpu->kvm->arch.kvm_ops->vcpu_create(vcpu);
 835 }
 836
 837 void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
 838 {
 839         vcpu->kvm->arch.kvm_ops->vcpu_free(vcpu);
 840 }
 841
 842 int kvmppc_core_check_requests(struct kvm_vcpu *vcpu)
 843 {
 844         return vcpu->kvm->arch.kvm_ops->check_requests(vcpu);
 845 }
 846
 847 void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot)
 848 {
 849
 850 }
 851
 852 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)
 853 {
 854         return kvm->arch.kvm_ops->get_dirty_log(kvm, log);
 855 }
 856
 857 void kvmppc_core_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot)
 858 {
 859         kvm->arch.kvm_ops->free_memslot(slot);
 860 }
 861
 862 void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot)
 863 {
 864         kvm->arch.kvm_ops->flush_memslot(kvm, memslot);
 865 }
 866
 867 int kvmppc_core_prepare_memory_region(struct kvm *kvm,
 868                                       const struct kvm_memory_slot *old,
 869                                       struct kvm_memory_slot *new,
 870                                       enum kvm_mr_change change)
 871 {
 872         return kvm->arch.kvm_ops->prepare_memory_region(kvm, old, new, change);
 873 }
 874
 875 void kvmppc_core_commit_memory_region(struct kvm *kvm,
 876                                 struct kvm_memory_slot *old,
 877                                 const struct kvm_memory_slot *new,
 878                                 enum kvm_mr_change change)
 879 {
 880         kvm->arch.kvm_ops->commit_memory_region(kvm, old, new, change);
 881 }
 882
 883 bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range)
 884 {
 885         return kvm->arch.kvm_ops->unmap_gfn_range(kvm, range);
 886 }
 887
 888 bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
 889 {
 890         return kvm->arch.kvm_ops->age_gfn(kvm, range);
 891 }
 892
 893 bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
 894 {
 895         return kvm->arch.kvm_ops->test_age_gfn(kvm, range);
 896 }
 897
 898 int kvmppc_core_init_vm(struct kvm *kvm)
 899 {
 900
 901 #ifdef CONFIG_PPC64
 902         INIT_LIST_HEAD_RCU(&kvm->arch.spapr_tce_tables);
 903         INIT_LIST_HEAD(&kvm->arch.rtas_tokens);
 904         mutex_init(&kvm->arch.rtas_token_lock);
 905 #endif
 906
 907         return kvm->arch.kvm_ops->init_vm(kvm);
 908 }
 909
 910 void kvmppc_core_destroy_vm(struct kvm *kvm)
 911 {
 912         kvm->arch.kvm_ops->destroy_vm(kvm);
 913
 914 #ifdef CONFIG_PPC64
 915         kvmppc_rtas_tokens_free(kvm);
 916         WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables));
 917 #endif
 918
 919 #ifdef CONFIG_KVM_XICS
 920         /*
 921          * Free the XIVE and XICS devices which are not directly freed by the
 922          * device 'release' method
 923          */
 924         kfree(kvm->arch.xive_devices.native);
 925         kvm->arch.xive_devices.native = NULL;
 926         kfree(kvm->arch.xive_devices.xics_on_xive);
 927         kvm->arch.xive_devices.xics_on_xive = NULL;
 928         kfree(kvm->arch.xics_device);
 929         kvm->arch.xics_device = NULL;
 930 #endif /* CONFIG_KVM_XICS */
 931 }
 932
 933 int kvmppc_h_logical_ci_load(struct kvm_vcpu *vcpu)
 934 {
 935         unsigned long size = kvmppc_get_gpr(vcpu, 4);
 936         unsigned long addr = kvmppc_get_gpr(vcpu, 5);
 937         u64 buf;
 938         int srcu_idx;
 939         int ret;
 940
 941         if (!is_power_of_2(size) || (size > sizeof(buf)))
 942                 return H_TOO_HARD;
 943
 944         srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
 945         ret = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, size, &buf);
 946         srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
 947         if (ret != 0)
 948                 return H_TOO_HARD;
 949
 950         switch (size) {
 951         case 1:
 952                 kvmppc_set_gpr(vcpu, 4, *(u8 *)&buf);
 953                 break;
 954
 955         case 2:
 956                 kvmppc_set_gpr(vcpu, 4, be16_to_cpu(*(__be16 *)&buf));
 957                 break;
 958
 959         case 4:
 960                 kvmppc_set_gpr(vcpu, 4, be32_to_cpu(*(__be32 *)&buf));
 961                 break;
 962
 963         case 8:
 964                 kvmppc_set_gpr(vcpu, 4, be64_to_cpu(*(__be64 *)&buf));
 965                 break;
 966
 967         default:
 968                 BUG();
 969         }
 970
 971         return H_SUCCESS;
 972 }
 973 EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_load);
 974
 975 int kvmppc_h_logical_ci_store(struct kvm_vcpu *vcpu)
 976 {
 977         unsigned long size = kvmppc_get_gpr(vcpu, 4);
 978         unsigned long addr = kvmppc_get_gpr(vcpu, 5);
 979         unsigned long val = kvmppc_get_gpr(vcpu, 6);
 980         u64 buf;
 981         int srcu_idx;
 982         int ret;
 983
 984         switch (size) {
 985         case 1:
 986                 *(u8 *)&buf = val;
 987                 break;
 988
 989         case 2:
 990                 *(__be16 *)&buf = cpu_to_be16(val);
 991                 break;
 992
 993         case 4:
 994                 *(__be32 *)&buf = cpu_to_be32(val);
 995                 break;
 996
 997         case 8:
 998                 *(__be64 *)&buf = cpu_to_be64(val);
 999                 break;
1000
1001         default:
1002                 return H_TOO_HARD;
1003         }
1004
1005         srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
1006         ret = kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, size, &buf);
1007         srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
1008         if (ret != 0)
1009                 return H_TOO_HARD;
1010
1011         return H_SUCCESS;
1012 }
1013 EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_store);
1014
1015 int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hcall)
1016 {
1017         return kvm->arch.kvm_ops->hcall_implemented(hcall);
1018 }
1019
1020 #ifdef CONFIG_KVM_XICS
1021 int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level,
1022                 bool line_status)
1023 {
1024         if (xics_on_xive())
1025                 return kvmppc_xive_set_irq(kvm, irq_source_id, irq, level,
1026                                            line_status);
1027         else
1028                 return kvmppc_xics_set_irq(kvm, irq_source_id, irq, level,
1029                                            line_status);
1030 }
1031
1032 int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *irq_entry,
1033                               struct kvm *kvm, int irq_source_id,
1034                               int level, bool line_status)
1035 {
1036         return kvm_set_irq(kvm, irq_source_id, irq_entry->gsi,
1037                            level, line_status);
1038 }
1039 static int kvmppc_book3s_set_irq(struct kvm_kernel_irq_routing_entry *e,
1040                                  struct kvm *kvm, int irq_source_id, int level,
1041                                  bool line_status)
1042 {
1043         return kvm_set_irq(kvm, irq_source_id, e->gsi, level, line_status);
1044 }
1045
1046 int kvm_irq_map_gsi(struct kvm *kvm,
1047                     struct kvm_kernel_irq_routing_entry *entries, int gsi)
1048 {
1049         entries->gsi = gsi;
1050         entries->type = KVM_IRQ_ROUTING_IRQCHIP;
1051         entries->set = kvmppc_book3s_set_irq;
1052         entries->irqchip.irqchip = 0;
1053         entries->irqchip.pin = gsi;
1054         return 1;
1055 }
1056
1057 int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)
1058 {
1059         return pin;
1060 }
1061
1062 #endif /* CONFIG_KVM_XICS */
1063
1064 static int kvmppc_book3s_init(void)
1065 {
1066         int r;
1067
1068         r = kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
1069         if (r)
1070                 return r;
1071 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
1072         r = kvmppc_book3s_init_pr();
1073 #endif
1074
1075 #ifdef CONFIG_KVM_XICS
1076 #ifdef CONFIG_KVM_XIVE
1077         if (xics_on_xive()) {
1078                 kvm_register_device_ops(&kvm_xive_ops, KVM_DEV_TYPE_XICS);
1079                 if (kvmppc_xive_native_supported())
1080                         kvm_register_device_ops(&kvm_xive_native_ops,
1081                                                 KVM_DEV_TYPE_XIVE);
1082         } else
1083 #endif
1084                 kvm_register_device_ops(&kvm_xics_ops, KVM_DEV_TYPE_XICS);
1085 #endif
1086         return r;
1087 }
1088
1089 static void kvmppc_book3s_exit(void)
1090 {
1091 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
1092         kvmppc_book3s_exit_pr();
1093 #endif
1094         kvm_exit();
1095 }
1096
1097 module_init(kvmppc_book3s_init);
1098 module_exit(kvmppc_book3s_exit);
1099
1100 /* On 32bit this is our one and only kernel module */
1101 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
1102 MODULE_ALIAS_MISCDEV(KVM_MINOR);
1103 MODULE_ALIAS("devname:kvm");
1104 #endif