2 * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved.
5 * Alexander Graf <agraf@suse.de>
6 * Kevin Wolf <mail@kevin-wolf.de>
9 * This file is derived from arch/powerpc/kvm/44x.c,
10 * by Hollis Blanchard <hollisb@us.ibm.com>.
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License, version 2, as
14 * published by the Free Software Foundation.
17 #include <linux/kvm_host.h>
18 #include <linux/err.h>
19 #include <linux/export.h>
20 #include <linux/slab.h>
21 #include <linux/module.h>
22 #include <linux/miscdevice.h>
25 #include <asm/cputable.h>
26 #include <asm/cacheflush.h>
27 #include <asm/tlbflush.h>
28 #include <asm/uaccess.h>
30 #include <asm/kvm_ppc.h>
31 #include <asm/kvm_book3s.h>
32 #include <asm/mmu_context.h>
34 #include <linux/gfp.h>
35 #include <linux/sched.h>
36 #include <linux/vmalloc.h>
37 #include <linux/highmem.h>
42 #define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
44 /* #define EXIT_DEBUG */
46 struct kvm_stats_debugfs_item debugfs_entries[] = {
47 { "exits", VCPU_STAT(sum_exits) },
48 { "mmio", VCPU_STAT(mmio_exits) },
49 { "sig", VCPU_STAT(signal_exits) },
50 { "sysc", VCPU_STAT(syscall_exits) },
51 { "inst_emu", VCPU_STAT(emulated_inst_exits) },
52 { "dec", VCPU_STAT(dec_exits) },
53 { "ext_intr", VCPU_STAT(ext_intr_exits) },
54 { "queue_intr", VCPU_STAT(queue_intr) },
55 { "halt_wakeup", VCPU_STAT(halt_wakeup) },
56 { "pf_storage", VCPU_STAT(pf_storage) },
57 { "sp_storage", VCPU_STAT(sp_storage) },
58 { "pf_instruc", VCPU_STAT(pf_instruc) },
59 { "sp_instruc", VCPU_STAT(sp_instruc) },
60 { "ld", VCPU_STAT(ld) },
61 { "ld_slow", VCPU_STAT(ld_slow) },
62 { "st", VCPU_STAT(st) },
63 { "st_slow", VCPU_STAT(st_slow) },
67 void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu)
71 void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu)
75 void kvmppc_unfixup_split_real(struct kvm_vcpu *vcpu)
77 if (vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) {
78 ulong pc = kvmppc_get_pc(vcpu);
79 if ((pc & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS)
80 kvmppc_set_pc(vcpu, pc & ~SPLIT_HACK_MASK);
81 vcpu->arch.hflags &= ~BOOK3S_HFLAG_SPLIT_HACK;
84 EXPORT_SYMBOL_GPL(kvmppc_unfixup_split_real);
86 static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
88 if (!is_kvmppc_hv_enabled(vcpu->kvm))
89 return to_book3s(vcpu)->hior;
93 static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
94 unsigned long pending_now, unsigned long old_pending)
96 if (is_kvmppc_hv_enabled(vcpu->kvm))
99 kvmppc_set_int_pending(vcpu, 1);
100 else if (old_pending)
101 kvmppc_set_int_pending(vcpu, 0);
104 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
110 if (is_kvmppc_hv_enabled(vcpu->kvm))
113 crit_raw = kvmppc_get_critical(vcpu);
114 crit_r1 = kvmppc_get_gpr(vcpu, 1);
116 /* Truncate crit indicators in 32 bit mode */
117 if (!(kvmppc_get_msr(vcpu) & MSR_SF)) {
118 crit_raw &= 0xffffffff;
119 crit_r1 &= 0xffffffff;
122 /* Critical section when crit == r1 */
123 crit = (crit_raw == crit_r1);
124 /* ... and we're in supervisor mode */
125 crit = crit && !(kvmppc_get_msr(vcpu) & MSR_PR);
130 void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
132 kvmppc_unfixup_split_real(vcpu);
133 kvmppc_set_srr0(vcpu, kvmppc_get_pc(vcpu));
134 kvmppc_set_srr1(vcpu, kvmppc_get_msr(vcpu) | flags);
135 kvmppc_set_pc(vcpu, kvmppc_interrupt_offset(vcpu) + vec);
136 vcpu->arch.mmu.reset_msr(vcpu);
139 static int kvmppc_book3s_vec2irqprio(unsigned int vec)
144 case 0x100: prio = BOOK3S_IRQPRIO_SYSTEM_RESET; break;
145 case 0x200: prio = BOOK3S_IRQPRIO_MACHINE_CHECK; break;
146 case 0x300: prio = BOOK3S_IRQPRIO_DATA_STORAGE; break;
147 case 0x380: prio = BOOK3S_IRQPRIO_DATA_SEGMENT; break;
148 case 0x400: prio = BOOK3S_IRQPRIO_INST_STORAGE; break;
149 case 0x480: prio = BOOK3S_IRQPRIO_INST_SEGMENT; break;
150 case 0x500: prio = BOOK3S_IRQPRIO_EXTERNAL; break;
151 case 0x501: prio = BOOK3S_IRQPRIO_EXTERNAL_LEVEL; 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;
167 void kvmppc_book3s_dequeue_irqprio(struct kvm_vcpu *vcpu,
170 unsigned long old_pending = vcpu->arch.pending_exceptions;
172 clear_bit(kvmppc_book3s_vec2irqprio(vec),
173 &vcpu->arch.pending_exceptions);
175 kvmppc_update_int_pending(vcpu, vcpu->arch.pending_exceptions,
179 void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)
181 vcpu->stat.queue_intr++;
183 set_bit(kvmppc_book3s_vec2irqprio(vec),
184 &vcpu->arch.pending_exceptions);
186 printk(KERN_INFO "Queueing interrupt %x\n", vec);
189 EXPORT_SYMBOL_GPL(kvmppc_book3s_queue_irqprio);
191 void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags)
193 /* might as well deliver this straight away */
194 kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_PROGRAM, flags);
196 EXPORT_SYMBOL_GPL(kvmppc_core_queue_program);
198 void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu)
200 kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);
202 EXPORT_SYMBOL_GPL(kvmppc_core_queue_dec);
204 int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu)
206 return test_bit(BOOK3S_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions);
208 EXPORT_SYMBOL_GPL(kvmppc_core_pending_dec);
210 void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu)
212 kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);
214 EXPORT_SYMBOL_GPL(kvmppc_core_dequeue_dec);
216 void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
217 struct kvm_interrupt *irq)
219 unsigned int vec = BOOK3S_INTERRUPT_EXTERNAL;
221 if (irq->irq == KVM_INTERRUPT_SET_LEVEL)
222 vec = BOOK3S_INTERRUPT_EXTERNAL_LEVEL;
224 kvmppc_book3s_queue_irqprio(vcpu, vec);
227 void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu)
229 kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL);
230 kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL_LEVEL);
233 void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu, ulong dar,
236 kvmppc_set_dar(vcpu, dar);
237 kvmppc_set_dsisr(vcpu, flags);
238 kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE);
241 void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu, ulong flags)
243 u64 msr = kvmppc_get_msr(vcpu);
244 msr &= ~(SRR1_ISI_NOPT | SRR1_ISI_N_OR_G | SRR1_ISI_PROT);
245 msr |= flags & (SRR1_ISI_NOPT | SRR1_ISI_N_OR_G | SRR1_ISI_PROT);
246 kvmppc_set_msr_fast(vcpu, msr);
247 kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_INST_STORAGE);
250 int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority)
254 bool crit = kvmppc_critical_section(vcpu);
257 case BOOK3S_IRQPRIO_DECREMENTER:
258 deliver = (kvmppc_get_msr(vcpu) & MSR_EE) && !crit;
259 vec = BOOK3S_INTERRUPT_DECREMENTER;
261 case BOOK3S_IRQPRIO_EXTERNAL:
262 case BOOK3S_IRQPRIO_EXTERNAL_LEVEL:
263 deliver = (kvmppc_get_msr(vcpu) & MSR_EE) && !crit;
264 vec = BOOK3S_INTERRUPT_EXTERNAL;
266 case BOOK3S_IRQPRIO_SYSTEM_RESET:
267 vec = BOOK3S_INTERRUPT_SYSTEM_RESET;
269 case BOOK3S_IRQPRIO_MACHINE_CHECK:
270 vec = BOOK3S_INTERRUPT_MACHINE_CHECK;
272 case BOOK3S_IRQPRIO_DATA_STORAGE:
273 vec = BOOK3S_INTERRUPT_DATA_STORAGE;
275 case BOOK3S_IRQPRIO_INST_STORAGE:
276 vec = BOOK3S_INTERRUPT_INST_STORAGE;
278 case BOOK3S_IRQPRIO_DATA_SEGMENT:
279 vec = BOOK3S_INTERRUPT_DATA_SEGMENT;
281 case BOOK3S_IRQPRIO_INST_SEGMENT:
282 vec = BOOK3S_INTERRUPT_INST_SEGMENT;
284 case BOOK3S_IRQPRIO_ALIGNMENT:
285 vec = BOOK3S_INTERRUPT_ALIGNMENT;
287 case BOOK3S_IRQPRIO_PROGRAM:
288 vec = BOOK3S_INTERRUPT_PROGRAM;
290 case BOOK3S_IRQPRIO_VSX:
291 vec = BOOK3S_INTERRUPT_VSX;
293 case BOOK3S_IRQPRIO_ALTIVEC:
294 vec = BOOK3S_INTERRUPT_ALTIVEC;
296 case BOOK3S_IRQPRIO_FP_UNAVAIL:
297 vec = BOOK3S_INTERRUPT_FP_UNAVAIL;
299 case BOOK3S_IRQPRIO_SYSCALL:
300 vec = BOOK3S_INTERRUPT_SYSCALL;
302 case BOOK3S_IRQPRIO_DEBUG:
303 vec = BOOK3S_INTERRUPT_TRACE;
305 case BOOK3S_IRQPRIO_PERFORMANCE_MONITOR:
306 vec = BOOK3S_INTERRUPT_PERFMON;
308 case BOOK3S_IRQPRIO_FAC_UNAVAIL:
309 vec = BOOK3S_INTERRUPT_FAC_UNAVAIL;
313 printk(KERN_ERR "KVM: Unknown interrupt: 0x%x\n", priority);
318 printk(KERN_INFO "Deliver interrupt 0x%x? %x\n", vec, deliver);
322 kvmppc_inject_interrupt(vcpu, vec, 0);
328 * This function determines if an irqprio should be cleared once issued.
330 static bool clear_irqprio(struct kvm_vcpu *vcpu, unsigned int priority)
333 case BOOK3S_IRQPRIO_DECREMENTER:
334 /* DEC interrupts get cleared by mtdec */
336 case BOOK3S_IRQPRIO_EXTERNAL_LEVEL:
337 /* External interrupts get cleared by userspace */
344 int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
346 unsigned long *pending = &vcpu->arch.pending_exceptions;
347 unsigned long old_pending = vcpu->arch.pending_exceptions;
348 unsigned int priority;
351 if (vcpu->arch.pending_exceptions)
352 printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions);
354 priority = __ffs(*pending);
355 while (priority < BOOK3S_IRQPRIO_MAX) {
356 if (kvmppc_book3s_irqprio_deliver(vcpu, priority) &&
357 clear_irqprio(vcpu, priority)) {
358 clear_bit(priority, &vcpu->arch.pending_exceptions);
362 priority = find_next_bit(pending,
363 BITS_PER_BYTE * sizeof(*pending),
367 /* Tell the guest about our interrupt status */
368 kvmppc_update_int_pending(vcpu, *pending, old_pending);
372 EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter);
374 pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
377 ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM;
378 gfn_t gfn = gpa >> PAGE_SHIFT;
380 if (!(kvmppc_get_msr(vcpu) & MSR_SF))
381 mp_pa = (uint32_t)mp_pa;
383 /* Magic page override */
385 if (unlikely(mp_pa) && unlikely((gpa & KVM_PAM) == mp_pa)) {
386 ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
389 pfn = (pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
390 get_page(pfn_to_page(pfn));
396 return gfn_to_pfn_prot(vcpu->kvm, gfn, writing, writable);
398 EXPORT_SYMBOL_GPL(kvmppc_gpa_to_pfn);
400 int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid,
401 enum xlate_readwrite xlrw, struct kvmppc_pte *pte)
403 bool data = (xlid == XLATE_DATA);
404 bool iswrite = (xlrw == XLATE_WRITE);
405 int relocated = (kvmppc_get_msr(vcpu) & (data ? MSR_DR : MSR_IR));
409 r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data, iswrite);
412 pte->raddr = eaddr & KVM_PAM;
413 pte->vpage = VSID_REAL | eaddr >> 12;
414 pte->may_read = true;
415 pte->may_write = true;
416 pte->may_execute = true;
419 if ((kvmppc_get_msr(vcpu) & (MSR_IR | MSR_DR)) == MSR_DR &&
421 if ((vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) &&
422 ((eaddr & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS))
423 pte->raddr &= ~SPLIT_HACK_MASK;
430 int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_type type,
433 ulong pc = kvmppc_get_pc(vcpu);
439 r = kvmppc_ld(vcpu, &pc, sizeof(u32), inst, false);
440 if (r == EMULATE_DONE)
443 return EMULATE_AGAIN;
445 EXPORT_SYMBOL_GPL(kvmppc_load_last_inst);
447 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
452 int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu)
457 void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu)
461 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
462 struct kvm_sregs *sregs)
464 return vcpu->kvm->arch.kvm_ops->get_sregs(vcpu, sregs);
467 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
468 struct kvm_sregs *sregs)
470 return vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
473 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
477 regs->pc = kvmppc_get_pc(vcpu);
478 regs->cr = kvmppc_get_cr(vcpu);
479 regs->ctr = kvmppc_get_ctr(vcpu);
480 regs->lr = kvmppc_get_lr(vcpu);
481 regs->xer = kvmppc_get_xer(vcpu);
482 regs->msr = kvmppc_get_msr(vcpu);
483 regs->srr0 = kvmppc_get_srr0(vcpu);
484 regs->srr1 = kvmppc_get_srr1(vcpu);
485 regs->pid = vcpu->arch.pid;
486 regs->sprg0 = kvmppc_get_sprg0(vcpu);
487 regs->sprg1 = kvmppc_get_sprg1(vcpu);
488 regs->sprg2 = kvmppc_get_sprg2(vcpu);
489 regs->sprg3 = kvmppc_get_sprg3(vcpu);
490 regs->sprg4 = kvmppc_get_sprg4(vcpu);
491 regs->sprg5 = kvmppc_get_sprg5(vcpu);
492 regs->sprg6 = kvmppc_get_sprg6(vcpu);
493 regs->sprg7 = kvmppc_get_sprg7(vcpu);
495 for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
496 regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
501 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
505 kvmppc_set_pc(vcpu, regs->pc);
506 kvmppc_set_cr(vcpu, regs->cr);
507 kvmppc_set_ctr(vcpu, regs->ctr);
508 kvmppc_set_lr(vcpu, regs->lr);
509 kvmppc_set_xer(vcpu, regs->xer);
510 kvmppc_set_msr(vcpu, regs->msr);
511 kvmppc_set_srr0(vcpu, regs->srr0);
512 kvmppc_set_srr1(vcpu, regs->srr1);
513 kvmppc_set_sprg0(vcpu, regs->sprg0);
514 kvmppc_set_sprg1(vcpu, regs->sprg1);
515 kvmppc_set_sprg2(vcpu, regs->sprg2);
516 kvmppc_set_sprg3(vcpu, regs->sprg3);
517 kvmppc_set_sprg4(vcpu, regs->sprg4);
518 kvmppc_set_sprg5(vcpu, regs->sprg5);
519 kvmppc_set_sprg6(vcpu, regs->sprg6);
520 kvmppc_set_sprg7(vcpu, regs->sprg7);
522 for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
523 kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
528 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
533 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
538 int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id,
539 union kvmppc_one_reg *val)
544 r = vcpu->kvm->arch.kvm_ops->get_one_reg(vcpu, id, val);
548 case KVM_REG_PPC_DAR:
549 *val = get_reg_val(id, kvmppc_get_dar(vcpu));
551 case KVM_REG_PPC_DSISR:
552 *val = get_reg_val(id, kvmppc_get_dsisr(vcpu));
554 case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
555 i = id - KVM_REG_PPC_FPR0;
556 *val = get_reg_val(id, VCPU_FPR(vcpu, i));
558 case KVM_REG_PPC_FPSCR:
559 *val = get_reg_val(id, vcpu->arch.fp.fpscr);
562 case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
563 if (cpu_has_feature(CPU_FTR_VSX)) {
564 i = id - KVM_REG_PPC_VSR0;
565 val->vsxval[0] = vcpu->arch.fp.fpr[i][0];
566 val->vsxval[1] = vcpu->arch.fp.fpr[i][1];
571 #endif /* CONFIG_VSX */
572 case KVM_REG_PPC_DEBUG_INST:
573 *val = get_reg_val(id, INS_TW);
575 #ifdef CONFIG_KVM_XICS
576 case KVM_REG_PPC_ICP_STATE:
577 if (!vcpu->arch.icp) {
581 *val = get_reg_val(id, kvmppc_xics_get_icp(vcpu));
583 #endif /* CONFIG_KVM_XICS */
584 case KVM_REG_PPC_FSCR:
585 *val = get_reg_val(id, vcpu->arch.fscr);
587 case KVM_REG_PPC_TAR:
588 *val = get_reg_val(id, vcpu->arch.tar);
590 case KVM_REG_PPC_EBBHR:
591 *val = get_reg_val(id, vcpu->arch.ebbhr);
593 case KVM_REG_PPC_EBBRR:
594 *val = get_reg_val(id, vcpu->arch.ebbrr);
596 case KVM_REG_PPC_BESCR:
597 *val = get_reg_val(id, vcpu->arch.bescr);
599 case KVM_REG_PPC_VTB:
600 *val = get_reg_val(id, vcpu->arch.vtb);
603 *val = get_reg_val(id, vcpu->arch.ic);
614 int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id,
615 union kvmppc_one_reg *val)
620 r = vcpu->kvm->arch.kvm_ops->set_one_reg(vcpu, id, val);
624 case KVM_REG_PPC_DAR:
625 kvmppc_set_dar(vcpu, set_reg_val(id, *val));
627 case KVM_REG_PPC_DSISR:
628 kvmppc_set_dsisr(vcpu, set_reg_val(id, *val));
630 case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
631 i = id - KVM_REG_PPC_FPR0;
632 VCPU_FPR(vcpu, i) = set_reg_val(id, *val);
634 case KVM_REG_PPC_FPSCR:
635 vcpu->arch.fp.fpscr = set_reg_val(id, *val);
638 case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
639 if (cpu_has_feature(CPU_FTR_VSX)) {
640 i = id - KVM_REG_PPC_VSR0;
641 vcpu->arch.fp.fpr[i][0] = val->vsxval[0];
642 vcpu->arch.fp.fpr[i][1] = val->vsxval[1];
647 #endif /* CONFIG_VSX */
648 #ifdef CONFIG_KVM_XICS
649 case KVM_REG_PPC_ICP_STATE:
650 if (!vcpu->arch.icp) {
654 r = kvmppc_xics_set_icp(vcpu,
655 set_reg_val(id, *val));
657 #endif /* CONFIG_KVM_XICS */
658 case KVM_REG_PPC_FSCR:
659 vcpu->arch.fscr = set_reg_val(id, *val);
661 case KVM_REG_PPC_TAR:
662 vcpu->arch.tar = set_reg_val(id, *val);
664 case KVM_REG_PPC_EBBHR:
665 vcpu->arch.ebbhr = set_reg_val(id, *val);
667 case KVM_REG_PPC_EBBRR:
668 vcpu->arch.ebbrr = set_reg_val(id, *val);
670 case KVM_REG_PPC_BESCR:
671 vcpu->arch.bescr = set_reg_val(id, *val);
673 case KVM_REG_PPC_VTB:
674 vcpu->arch.vtb = set_reg_val(id, *val);
677 vcpu->arch.ic = set_reg_val(id, *val);
688 void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
690 vcpu->kvm->arch.kvm_ops->vcpu_load(vcpu, cpu);
693 void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
695 vcpu->kvm->arch.kvm_ops->vcpu_put(vcpu);
698 void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
700 vcpu->kvm->arch.kvm_ops->set_msr(vcpu, msr);
702 EXPORT_SYMBOL_GPL(kvmppc_set_msr);
704 int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
706 return vcpu->kvm->arch.kvm_ops->vcpu_run(kvm_run, vcpu);
709 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
710 struct kvm_translation *tr)
715 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
716 struct kvm_guest_debug *dbg)
718 vcpu->guest_debug = dbg->control;
722 void kvmppc_decrementer_func(struct kvm_vcpu *vcpu)
724 kvmppc_core_queue_dec(vcpu);
728 struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
730 return kvm->arch.kvm_ops->vcpu_create(kvm, id);
733 void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
735 vcpu->kvm->arch.kvm_ops->vcpu_free(vcpu);
738 int kvmppc_core_check_requests(struct kvm_vcpu *vcpu)
740 return vcpu->kvm->arch.kvm_ops->check_requests(vcpu);
743 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)
745 return kvm->arch.kvm_ops->get_dirty_log(kvm, log);
748 void kvmppc_core_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
749 struct kvm_memory_slot *dont)
751 kvm->arch.kvm_ops->free_memslot(free, dont);
754 int kvmppc_core_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
755 unsigned long npages)
757 return kvm->arch.kvm_ops->create_memslot(slot, npages);
760 void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot)
762 kvm->arch.kvm_ops->flush_memslot(kvm, memslot);
765 int kvmppc_core_prepare_memory_region(struct kvm *kvm,
766 struct kvm_memory_slot *memslot,
767 struct kvm_userspace_memory_region *mem)
769 return kvm->arch.kvm_ops->prepare_memory_region(kvm, memslot, mem);
772 void kvmppc_core_commit_memory_region(struct kvm *kvm,
773 struct kvm_userspace_memory_region *mem,
774 const struct kvm_memory_slot *old)
776 kvm->arch.kvm_ops->commit_memory_region(kvm, mem, old);
779 int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
781 return kvm->arch.kvm_ops->unmap_hva(kvm, hva);
783 EXPORT_SYMBOL_GPL(kvm_unmap_hva);
785 int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
787 return kvm->arch.kvm_ops->unmap_hva_range(kvm, start, end);
790 int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end)
792 return kvm->arch.kvm_ops->age_hva(kvm, start, end);
795 int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
797 return kvm->arch.kvm_ops->test_age_hva(kvm, hva);
800 void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
802 kvm->arch.kvm_ops->set_spte_hva(kvm, hva, pte);
805 void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
807 vcpu->kvm->arch.kvm_ops->mmu_destroy(vcpu);
810 int kvmppc_core_init_vm(struct kvm *kvm)
814 INIT_LIST_HEAD(&kvm->arch.spapr_tce_tables);
815 INIT_LIST_HEAD(&kvm->arch.rtas_tokens);
818 return kvm->arch.kvm_ops->init_vm(kvm);
821 void kvmppc_core_destroy_vm(struct kvm *kvm)
823 kvm->arch.kvm_ops->destroy_vm(kvm);
826 kvmppc_rtas_tokens_free(kvm);
827 WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables));
831 int kvmppc_core_check_processor_compat(void)
834 * We always return 0 for book3s. We check
835 * for compatability while loading the HV
841 int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hcall)
843 return kvm->arch.kvm_ops->hcall_implemented(hcall);
846 static int kvmppc_book3s_init(void)
850 r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
853 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
854 r = kvmppc_book3s_init_pr();
860 static void kvmppc_book3s_exit(void)
862 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
863 kvmppc_book3s_exit_pr();
868 module_init(kvmppc_book3s_init);
869 module_exit(kvmppc_book3s_exit);
871 /* On 32bit this is our one and only kernel module */
872 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
873 MODULE_ALIAS_MISCDEV(KVM_MINOR);
874 MODULE_ALIAS("devname:kvm");