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 <agraf@suse.de>
   7  *    Kevin Wolf <mail@kevin-wolf.de>
   8  *
   9  * Description:
  10  * This file is derived from arch/powerpc/kvm/44x.c,
  11  * by Hollis Blanchard <hollisb@us.ibm.com>.
  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 = (kvmppc_get_msr(vcpu) & MSR_EE) && !crit;
 306                 vec = BOOK3S_INTERRUPT_DECREMENTER;
 307                 break;
 308         case BOOK3S_IRQPRIO_EXTERNAL:
 309                 deliver = (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 0
 364         printk(KERN_INFO "Deliver interrupt 0x%x? %x\n", vec, deliver);
 365 #endif
 366
 367         if (deliver)
 368                 kvmppc_inject_interrupt(vcpu, vec, 0);
 369
 370         return deliver;
 371 }
 372
 373 /*
 374  * This function determines if an irqprio should be cleared once issued.
 375  */
 376 static bool clear_irqprio(struct kvm_vcpu *vcpu, unsigned int priority)
 377 {
 378         switch (priority) {
 379                 case BOOK3S_IRQPRIO_DECREMENTER:
 380                         /* DEC interrupts get cleared by mtdec */
 381                         return false;
 382                 case BOOK3S_IRQPRIO_EXTERNAL:
 383                         /*
 384                          * External interrupts get cleared by userspace
 385                          * except when set by the KVM_INTERRUPT ioctl with
 386                          * KVM_INTERRUPT_SET (not KVM_INTERRUPT_SET_LEVEL).
 387                          */
 388                         if (vcpu->arch.external_oneshot) {
 389                                 vcpu->arch.external_oneshot = 0;
 390                                 return true;
 391                         }
 392                         return false;
 393         }
 394
 395         return true;
 396 }
 397
 398 int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
 399 {
 400         unsigned long *pending = &vcpu->arch.pending_exceptions;
 401         unsigned long old_pending = vcpu->arch.pending_exceptions;
 402         unsigned int priority;
 403
 404 #ifdef EXIT_DEBUG
 405         if (vcpu->arch.pending_exceptions)
 406                 printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions);
 407 #endif
 408         priority = __ffs(*pending);
 409         while (priority < BOOK3S_IRQPRIO_MAX) {
 410                 if (kvmppc_book3s_irqprio_deliver(vcpu, priority) &&
 411                     clear_irqprio(vcpu, priority)) {
 412                         clear_bit(priority, &vcpu->arch.pending_exceptions);
 413                         break;
 414                 }
 415
 416                 priority = find_next_bit(pending,
 417                                          BITS_PER_BYTE * sizeof(*pending),
 418                                          priority + 1);
 419         }
 420
 421         /* Tell the guest about our interrupt status */
 422         kvmppc_update_int_pending(vcpu, *pending, old_pending);
 423
 424         return 0;
 425 }
 426 EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter);
 427
 428 kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
 429                         bool *writable)
 430 {
 431         ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM;
 432         gfn_t gfn = gpa >> PAGE_SHIFT;
 433
 434         if (!(kvmppc_get_msr(vcpu) & MSR_SF))
 435                 mp_pa = (uint32_t)mp_pa;
 436
 437         /* Magic page override */
 438         gpa &= ~0xFFFULL;
 439         if (unlikely(mp_pa) && unlikely((gpa & KVM_PAM) == mp_pa)) {
 440                 ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
 441                 kvm_pfn_t pfn;
 442
 443                 pfn = (kvm_pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
 444                 get_page(pfn_to_page(pfn));
 445                 if (writable)
 446                         *writable = true;
 447                 return pfn;
 448         }
 449
 450         return gfn_to_pfn_prot(vcpu->kvm, gfn, writing, writable);
 451 }
 452 EXPORT_SYMBOL_GPL(kvmppc_gpa_to_pfn);
 453
 454 int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid,
 455                  enum xlate_readwrite xlrw, struct kvmppc_pte *pte)
 456 {
 457         bool data = (xlid == XLATE_DATA);
 458         bool iswrite = (xlrw == XLATE_WRITE);
 459         int relocated = (kvmppc_get_msr(vcpu) & (data ? MSR_DR : MSR_IR));
 460         int r;
 461
 462         if (relocated) {
 463                 r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data, iswrite);
 464         } else {
 465                 pte->eaddr = eaddr;
 466                 pte->raddr = eaddr & KVM_PAM;
 467                 pte->vpage = VSID_REAL | eaddr >> 12;
 468                 pte->may_read = true;
 469                 pte->may_write = true;
 470                 pte->may_execute = true;
 471                 r = 0;
 472
 473                 if ((kvmppc_get_msr(vcpu) & (MSR_IR | MSR_DR)) == MSR_DR &&
 474                     !data) {
 475                         if ((vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) &&
 476                             ((eaddr & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS))
 477                         pte->raddr &= ~SPLIT_HACK_MASK;
 478                 }
 479         }
 480
 481         return r;
 482 }
 483
 484 /*
 485  * Returns prefixed instructions with the prefix in the high 32 bits
 486  * of *inst and suffix in the low 32 bits.  This is the same convention
 487  * as used in HEIR, vcpu->arch.last_inst and vcpu->arch.emul_inst.
 488  * Like vcpu->arch.last_inst but unlike vcpu->arch.emul_inst, each
 489  * half of the value needs byte-swapping if the guest endianness is
 490  * different from the host endianness.
 491  */
 492 int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
 493                 enum instruction_fetch_type type, unsigned long *inst)
 494 {
 495         ulong pc = kvmppc_get_pc(vcpu);
 496         int r;
 497         u32 iw;
 498
 499         if (type == INST_SC)
 500                 pc -= 4;
 501
 502         r = kvmppc_ld(vcpu, &pc, sizeof(u32), &iw, false);
 503         if (r != EMULATE_DONE)
 504                 return EMULATE_AGAIN;
 505         /*
 506          * If [H]SRR1 indicates that the instruction that caused the
 507          * current interrupt is a prefixed instruction, get the suffix.
 508          */
 509         if (kvmppc_get_msr(vcpu) & SRR1_PREFIXED) {
 510                 u32 suffix;
 511                 pc += 4;
 512                 r = kvmppc_ld(vcpu, &pc, sizeof(u32), &suffix, false);
 513                 if (r != EMULATE_DONE)
 514                         return EMULATE_AGAIN;
 515                 *inst = ((u64)iw << 32) | suffix;
 516         } else {
 517                 *inst = iw;
 518         }
 519         return r;
 520 }
 521 EXPORT_SYMBOL_GPL(kvmppc_load_last_inst);
 522
 523 int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu)
 524 {
 525         return 0;
 526 }
 527
 528 void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu)
 529 {
 530 }
 531
 532 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 533                                   struct kvm_sregs *sregs)
 534 {
 535         int ret;
 536
 537         vcpu_load(vcpu);
 538         ret = vcpu->kvm->arch.kvm_ops->get_sregs(vcpu, sregs);
 539         vcpu_put(vcpu);
 540
 541         return ret;
 542 }
 543
 544 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 545                                   struct kvm_sregs *sregs)
 546 {
 547         int ret;
 548
 549         vcpu_load(vcpu);
 550         ret = vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
 551         vcpu_put(vcpu);
 552
 553         return ret;
 554 }
 555
 556 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 557 {
 558         int i;
 559
 560         regs->pc = kvmppc_get_pc(vcpu);
 561         regs->cr = kvmppc_get_cr(vcpu);
 562         regs->ctr = kvmppc_get_ctr(vcpu);
 563         regs->lr = kvmppc_get_lr(vcpu);
 564         regs->xer = kvmppc_get_xer(vcpu);
 565         regs->msr = kvmppc_get_msr(vcpu);
 566         regs->srr0 = kvmppc_get_srr0(vcpu);
 567         regs->srr1 = kvmppc_get_srr1(vcpu);
 568         regs->pid = vcpu->arch.pid;
 569         regs->sprg0 = kvmppc_get_sprg0(vcpu);
 570         regs->sprg1 = kvmppc_get_sprg1(vcpu);
 571         regs->sprg2 = kvmppc_get_sprg2(vcpu);
 572         regs->sprg3 = kvmppc_get_sprg3(vcpu);
 573         regs->sprg4 = kvmppc_get_sprg4(vcpu);
 574         regs->sprg5 = kvmppc_get_sprg5(vcpu);
 575         regs->sprg6 = kvmppc_get_sprg6(vcpu);
 576         regs->sprg7 = kvmppc_get_sprg7(vcpu);
 577
 578         for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 579                 regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
 580
 581         return 0;
 582 }
 583
 584 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 585 {
 586         int i;
 587
 588         kvmppc_set_pc(vcpu, regs->pc);
 589         kvmppc_set_cr(vcpu, regs->cr);
 590         kvmppc_set_ctr(vcpu, regs->ctr);
 591         kvmppc_set_lr(vcpu, regs->lr);
 592         kvmppc_set_xer(vcpu, regs->xer);
 593         kvmppc_set_msr(vcpu, regs->msr);
 594         kvmppc_set_srr0(vcpu, regs->srr0);
 595         kvmppc_set_srr1(vcpu, regs->srr1);
 596         kvmppc_set_sprg0(vcpu, regs->sprg0);
 597         kvmppc_set_sprg1(vcpu, regs->sprg1);
 598         kvmppc_set_sprg2(vcpu, regs->sprg2);
 599         kvmppc_set_sprg3(vcpu, regs->sprg3);
 600         kvmppc_set_sprg4(vcpu, regs->sprg4);
 601         kvmppc_set_sprg5(vcpu, regs->sprg5);
 602         kvmppc_set_sprg6(vcpu, regs->sprg6);
 603         kvmppc_set_sprg7(vcpu, regs->sprg7);
 604
 605         for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
 606                 kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
 607
 608         return 0;
 609 }
 610
 611 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 612 {
 613         return -EOPNOTSUPP;
 614 }
 615
 616 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 617 {
 618         return -EOPNOTSUPP;
 619 }
 620
 621 int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id,
 622                         union kvmppc_one_reg *val)
 623 {
 624         int r = 0;
 625         long int i;
 626
 627         r = vcpu->kvm->arch.kvm_ops->get_one_reg(vcpu, id, val);
 628         if (r == -EINVAL) {
 629                 r = 0;
 630                 switch (id) {
 631                 case KVM_REG_PPC_DAR:
 632                         *val = get_reg_val(id, kvmppc_get_dar(vcpu));
 633                         break;
 634                 case KVM_REG_PPC_DSISR:
 635                         *val = get_reg_val(id, kvmppc_get_dsisr(vcpu));
 636                         break;
 637                 case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
 638                         i = id - KVM_REG_PPC_FPR0;
 639                         *val = get_reg_val(id, VCPU_FPR(vcpu, i));
 640                         break;
 641                 case KVM_REG_PPC_FPSCR:
 642                         *val = get_reg_val(id, vcpu->arch.fp.fpscr);
 643                         break;
 644 #ifdef CONFIG_VSX
 645                 case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
 646                         if (cpu_has_feature(CPU_FTR_VSX)) {
 647                                 i = id - KVM_REG_PPC_VSR0;
 648                                 val->vsxval[0] = vcpu->arch.fp.fpr[i][0];
 649                                 val->vsxval[1] = vcpu->arch.fp.fpr[i][1];
 650                         } else {
 651                                 r = -ENXIO;
 652                         }
 653                         break;
 654 #endif /* CONFIG_VSX */
 655                 case KVM_REG_PPC_DEBUG_INST:
 656                         *val = get_reg_val(id, INS_TW);
 657                         break;
 658 #ifdef CONFIG_KVM_XICS
 659                 case KVM_REG_PPC_ICP_STATE:
 660                         if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) {
 661                                 r = -ENXIO;
 662                                 break;
 663                         }
 664                         if (xics_on_xive())
 665                                 *val = get_reg_val(id, kvmppc_xive_get_icp(vcpu));
 666                         else
 667                                 *val = get_reg_val(id, kvmppc_xics_get_icp(vcpu));
 668                         break;
 669 #endif /* CONFIG_KVM_XICS */
 670 #ifdef CONFIG_KVM_XIVE
 671                 case KVM_REG_PPC_VP_STATE:
 672                         if (!vcpu->arch.xive_vcpu) {
 673                                 r = -ENXIO;
 674                                 break;
 675                         }
 676                         if (xive_enabled())
 677                                 r = kvmppc_xive_native_get_vp(vcpu, val);
 678                         else
 679                                 r = -ENXIO;
 680                         break;
 681 #endif /* CONFIG_KVM_XIVE */
 682                 case KVM_REG_PPC_FSCR:
 683                         *val = get_reg_val(id, vcpu->arch.fscr);
 684                         break;
 685                 case KVM_REG_PPC_TAR:
 686                         *val = get_reg_val(id, vcpu->arch.tar);
 687                         break;
 688                 case KVM_REG_PPC_EBBHR:
 689                         *val = get_reg_val(id, vcpu->arch.ebbhr);
 690                         break;
 691                 case KVM_REG_PPC_EBBRR:
 692                         *val = get_reg_val(id, vcpu->arch.ebbrr);
 693                         break;
 694                 case KVM_REG_PPC_BESCR:
 695                         *val = get_reg_val(id, vcpu->arch.bescr);
 696                         break;
 697                 case KVM_REG_PPC_IC:
 698                         *val = get_reg_val(id, vcpu->arch.ic);
 699                         break;
 700                 default:
 701                         r = -EINVAL;
 702                         break;
 703                 }
 704         }
 705
 706         return r;
 707 }
 708
 709 int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id,
 710                         union kvmppc_one_reg *val)
 711 {
 712         int r = 0;
 713         long int i;
 714
 715         r = vcpu->kvm->arch.kvm_ops->set_one_reg(vcpu, id, val);
 716         if (r == -EINVAL) {
 717                 r = 0;
 718                 switch (id) {
 719                 case KVM_REG_PPC_DAR:
 720                         kvmppc_set_dar(vcpu, set_reg_val(id, *val));
 721                         break;
 722                 case KVM_REG_PPC_DSISR:
 723                         kvmppc_set_dsisr(vcpu, set_reg_val(id, *val));
 724                         break;
 725                 case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
 726                         i = id - KVM_REG_PPC_FPR0;
 727                         VCPU_FPR(vcpu, i) = set_reg_val(id, *val);
 728                         break;
 729                 case KVM_REG_PPC_FPSCR:
 730                         vcpu->arch.fp.fpscr = set_reg_val(id, *val);
 731                         break;
 732 #ifdef CONFIG_VSX
 733                 case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
 734                         if (cpu_has_feature(CPU_FTR_VSX)) {
 735                                 i = id - KVM_REG_PPC_VSR0;
 736                                 vcpu->arch.fp.fpr[i][0] = val->vsxval[0];
 737                                 vcpu->arch.fp.fpr[i][1] = val->vsxval[1];
 738                         } else {
 739                                 r = -ENXIO;
 740                         }
 741                         break;
 742 #endif /* CONFIG_VSX */
 743 #ifdef CONFIG_KVM_XICS
 744                 case KVM_REG_PPC_ICP_STATE:
 745                         if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) {
 746                                 r = -ENXIO;
 747                                 break;
 748                         }
 749                         if (xics_on_xive())
 750                                 r = kvmppc_xive_set_icp(vcpu, set_reg_val(id, *val));
 751                         else
 752                                 r = kvmppc_xics_set_icp(vcpu, set_reg_val(id, *val));
 753                         break;
 754 #endif /* CONFIG_KVM_XICS */
 755 #ifdef CONFIG_KVM_XIVE
 756                 case KVM_REG_PPC_VP_STATE:
 757                         if (!vcpu->arch.xive_vcpu) {
 758                                 r = -ENXIO;
 759                                 break;
 760                         }
 761                         if (xive_enabled())
 762                                 r = kvmppc_xive_native_set_vp(vcpu, val);
 763                         else
 764                                 r = -ENXIO;
 765                         break;
 766 #endif /* CONFIG_KVM_XIVE */
 767                 case KVM_REG_PPC_FSCR:
 768                         vcpu->arch.fscr = set_reg_val(id, *val);
 769                         break;
 770                 case KVM_REG_PPC_TAR:
 771                         vcpu->arch.tar = set_reg_val(id, *val);
 772                         break;
 773                 case KVM_REG_PPC_EBBHR:
 774                         vcpu->arch.ebbhr = set_reg_val(id, *val);
 775                         break;
 776                 case KVM_REG_PPC_EBBRR:
 777                         vcpu->arch.ebbrr = set_reg_val(id, *val);
 778                         break;
 779                 case KVM_REG_PPC_BESCR:
 780                         vcpu->arch.bescr = set_reg_val(id, *val);
 781                         break;
 782                 case KVM_REG_PPC_IC:
 783                         vcpu->arch.ic = set_reg_val(id, *val);
 784                         break;
 785                 default:
 786                         r = -EINVAL;
 787                         break;
 788                 }
 789         }
 790
 791         return r;
 792 }
 793
 794 void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 795 {
 796         vcpu->kvm->arch.kvm_ops->vcpu_load(vcpu, cpu);
 797 }
 798
 799 void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
 800 {
 801         vcpu->kvm->arch.kvm_ops->vcpu_put(vcpu);
 802 }
 803
 804 void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 805 {
 806         vcpu->kvm->arch.kvm_ops->set_msr(vcpu, msr);
 807 }
 808 EXPORT_SYMBOL_GPL(kvmppc_set_msr);
 809
 810 int kvmppc_vcpu_run(struct kvm_vcpu *vcpu)
 811 {
 812         return vcpu->kvm->arch.kvm_ops->vcpu_run(vcpu);
 813 }
 814
 815 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
 816                                   struct kvm_translation *tr)
 817 {
 818         return 0;
 819 }
 820
 821 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
 822                                         struct kvm_guest_debug *dbg)
 823 {
 824         vcpu_load(vcpu);
 825         vcpu->guest_debug = dbg->control;
 826         vcpu_put(vcpu);
 827         return 0;
 828 }
 829
 830 void kvmppc_decrementer_func(struct kvm_vcpu *vcpu)
 831 {
 832         kvmppc_core_queue_dec(vcpu);
 833         kvm_vcpu_kick(vcpu);
 834 }
 835
 836 int kvmppc_core_vcpu_create(struct kvm_vcpu *vcpu)
 837 {
 838         return vcpu->kvm->arch.kvm_ops->vcpu_create(vcpu);
 839 }
 840
 841 void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
 842 {
 843         vcpu->kvm->arch.kvm_ops->vcpu_free(vcpu);
 844 }
 845
 846 int kvmppc_core_check_requests(struct kvm_vcpu *vcpu)
 847 {
 848         return vcpu->kvm->arch.kvm_ops->check_requests(vcpu);
 849 }
 850
 851 void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot)
 852 {
 853
 854 }
 855
 856 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)
 857 {
 858         return kvm->arch.kvm_ops->get_dirty_log(kvm, log);
 859 }
 860
 861 void kvmppc_core_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot)
 862 {
 863         kvm->arch.kvm_ops->free_memslot(slot);
 864 }
 865
 866 void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot)
 867 {
 868         kvm->arch.kvm_ops->flush_memslot(kvm, memslot);
 869 }
 870
 871 int kvmppc_core_prepare_memory_region(struct kvm *kvm,
 872                                       const struct kvm_memory_slot *old,
 873                                       struct kvm_memory_slot *new,
 874                                       enum kvm_mr_change change)
 875 {
 876         return kvm->arch.kvm_ops->prepare_memory_region(kvm, old, new, change);
 877 }
 878
 879 void kvmppc_core_commit_memory_region(struct kvm *kvm,
 880                                 struct kvm_memory_slot *old,
 881                                 const struct kvm_memory_slot *new,
 882                                 enum kvm_mr_change change)
 883 {
 884         kvm->arch.kvm_ops->commit_memory_region(kvm, old, new, change);
 885 }
 886
 887 bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range)
 888 {
 889         return kvm->arch.kvm_ops->unmap_gfn_range(kvm, range);
 890 }
 891
 892 bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
 893 {
 894         return kvm->arch.kvm_ops->age_gfn(kvm, range);
 895 }
 896
 897 bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
 898 {
 899         return kvm->arch.kvm_ops->test_age_gfn(kvm, range);
 900 }
 901
 902 bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
 903 {
 904         return kvm->arch.kvm_ops->set_spte_gfn(kvm, range);
 905 }
 906
 907 int kvmppc_core_init_vm(struct kvm *kvm)
 908 {
 909
 910 #ifdef CONFIG_PPC64
 911         INIT_LIST_HEAD_RCU(&kvm->arch.spapr_tce_tables);
 912         INIT_LIST_HEAD(&kvm->arch.rtas_tokens);
 913         mutex_init(&kvm->arch.rtas_token_lock);
 914 #endif
 915
 916         return kvm->arch.kvm_ops->init_vm(kvm);
 917 }
 918
 919 void kvmppc_core_destroy_vm(struct kvm *kvm)
 920 {
 921         kvm->arch.kvm_ops->destroy_vm(kvm);
 922
 923 #ifdef CONFIG_PPC64
 924         kvmppc_rtas_tokens_free(kvm);
 925         WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables));
 926 #endif
 927
 928 #ifdef CONFIG_KVM_XICS
 929         /*
 930          * Free the XIVE and XICS devices which are not directly freed by the
 931          * device 'release' method
 932          */
 933         kfree(kvm->arch.xive_devices.native);
 934         kvm->arch.xive_devices.native = NULL;
 935         kfree(kvm->arch.xive_devices.xics_on_xive);
 936         kvm->arch.xive_devices.xics_on_xive = NULL;
 937         kfree(kvm->arch.xics_device);
 938         kvm->arch.xics_device = NULL;
 939 #endif /* CONFIG_KVM_XICS */
 940 }
 941
 942 int kvmppc_h_logical_ci_load(struct kvm_vcpu *vcpu)
 943 {
 944         unsigned long size = kvmppc_get_gpr(vcpu, 4);
 945         unsigned long addr = kvmppc_get_gpr(vcpu, 5);
 946         u64 buf;
 947         int srcu_idx;
 948         int ret;
 949
 950         if (!is_power_of_2(size) || (size > sizeof(buf)))
 951                 return H_TOO_HARD;
 952
 953         srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
 954         ret = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, size, &buf);
 955         srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
 956         if (ret != 0)
 957                 return H_TOO_HARD;
 958
 959         switch (size) {
 960         case 1:
 961                 kvmppc_set_gpr(vcpu, 4, *(u8 *)&buf);
 962                 break;
 963
 964         case 2:
 965                 kvmppc_set_gpr(vcpu, 4, be16_to_cpu(*(__be16 *)&buf));
 966                 break;
 967
 968         case 4:
 969                 kvmppc_set_gpr(vcpu, 4, be32_to_cpu(*(__be32 *)&buf));
 970                 break;
 971
 972         case 8:
 973                 kvmppc_set_gpr(vcpu, 4, be64_to_cpu(*(__be64 *)&buf));
 974                 break;
 975
 976         default:
 977                 BUG();
 978         }
 979
 980         return H_SUCCESS;
 981 }
 982 EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_load);
 983
 984 int kvmppc_h_logical_ci_store(struct kvm_vcpu *vcpu)
 985 {
 986         unsigned long size = kvmppc_get_gpr(vcpu, 4);
 987         unsigned long addr = kvmppc_get_gpr(vcpu, 5);
 988         unsigned long val = kvmppc_get_gpr(vcpu, 6);
 989         u64 buf;
 990         int srcu_idx;
 991         int ret;
 992
 993         switch (size) {
 994         case 1:
 995                 *(u8 *)&buf = val;
 996                 break;
 997
 998         case 2:
 999                 *(__be16 *)&buf = cpu_to_be16(val);
1000                 break;
1001
1002         case 4:
1003                 *(__be32 *)&buf = cpu_to_be32(val);
1004                 break;
1005
1006         case 8:
1007                 *(__be64 *)&buf = cpu_to_be64(val);
1008                 break;
1009
1010         default:
1011                 return H_TOO_HARD;
1012         }
1013
1014         srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
1015         ret = kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, size, &buf);
1016         srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
1017         if (ret != 0)
1018                 return H_TOO_HARD;
1019
1020         return H_SUCCESS;
1021 }
1022 EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_store);
1023
1024 int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hcall)
1025 {
1026         return kvm->arch.kvm_ops->hcall_implemented(hcall);
1027 }
1028
1029 #ifdef CONFIG_KVM_XICS
1030 int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level,
1031                 bool line_status)
1032 {
1033         if (xics_on_xive())
1034                 return kvmppc_xive_set_irq(kvm, irq_source_id, irq, level,
1035                                            line_status);
1036         else
1037                 return kvmppc_xics_set_irq(kvm, irq_source_id, irq, level,
1038                                            line_status);
1039 }
1040
1041 int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *irq_entry,
1042                               struct kvm *kvm, int irq_source_id,
1043                               int level, bool line_status)
1044 {
1045         return kvm_set_irq(kvm, irq_source_id, irq_entry->gsi,
1046                            level, line_status);
1047 }
1048 static int kvmppc_book3s_set_irq(struct kvm_kernel_irq_routing_entry *e,
1049                                  struct kvm *kvm, int irq_source_id, int level,
1050                                  bool line_status)
1051 {
1052         return kvm_set_irq(kvm, irq_source_id, e->gsi, level, line_status);
1053 }
1054
1055 int kvm_irq_map_gsi(struct kvm *kvm,
1056                     struct kvm_kernel_irq_routing_entry *entries, int gsi)
1057 {
1058         entries->gsi = gsi;
1059         entries->type = KVM_IRQ_ROUTING_IRQCHIP;
1060         entries->set = kvmppc_book3s_set_irq;
1061         entries->irqchip.irqchip = 0;
1062         entries->irqchip.pin = gsi;
1063         return 1;
1064 }
1065
1066 int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)
1067 {
1068         return pin;
1069 }
1070
1071 #endif /* CONFIG_KVM_XICS */
1072
1073 static int kvmppc_book3s_init(void)
1074 {
1075         int r;
1076
1077         r = kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
1078         if (r)
1079                 return r;
1080 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
1081         r = kvmppc_book3s_init_pr();
1082 #endif
1083
1084 #ifdef CONFIG_KVM_XICS
1085 #ifdef CONFIG_KVM_XIVE
1086         if (xics_on_xive()) {
1087                 kvm_register_device_ops(&kvm_xive_ops, KVM_DEV_TYPE_XICS);
1088                 if (kvmppc_xive_native_supported())
1089                         kvm_register_device_ops(&kvm_xive_native_ops,
1090                                                 KVM_DEV_TYPE_XIVE);
1091         } else
1092 #endif
1093                 kvm_register_device_ops(&kvm_xics_ops, KVM_DEV_TYPE_XICS);
1094 #endif
1095         return r;
1096 }
1097
1098 static void kvmppc_book3s_exit(void)
1099 {
1100 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
1101         kvmppc_book3s_exit_pr();
1102 #endif
1103         kvm_exit();
1104 }
1105
1106 module_init(kvmppc_book3s_init);
1107 module_exit(kvmppc_book3s_exit);
1108
1109 /* On 32bit this is our one and only kernel module */
1110 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
1111 MODULE_ALIAS_MISCDEV(KVM_MINOR);
1112 MODULE_ALIAS("devname:kvm");
1113 #endif