diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s.c | 949 |
1 files changed, 704 insertions, 245 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 700df6f1d32c..d79c5d1098c0 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved. * @@ -8,73 +9,132 @@ * Description: * This file is derived from arch/powerpc/kvm/44x.c, * by Hollis Blanchard <hollisb@us.ibm.com>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. */ #include <linux/kvm_host.h> #include <linux/err.h> #include <linux/export.h> #include <linux/slab.h> +#include <linux/module.h> +#include <linux/miscdevice.h> +#include <linux/gfp.h> +#include <linux/sched.h> +#include <linux/vmalloc.h> +#include <linux/highmem.h> #include <asm/reg.h> #include <asm/cputable.h> #include <asm/cacheflush.h> -#include <asm/tlbflush.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/io.h> #include <asm/kvm_ppc.h> #include <asm/kvm_book3s.h> #include <asm/mmu_context.h> #include <asm/page.h> -#include <linux/gfp.h> -#include <linux/sched.h> -#include <linux/vmalloc.h> -#include <linux/highmem.h> +#include <asm/xive.h> +#include "book3s.h" #include "trace.h" -#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU - /* #define EXIT_DEBUG */ -struct kvm_stats_debugfs_item debugfs_entries[] = { - { "exits", VCPU_STAT(sum_exits) }, - { "mmio", VCPU_STAT(mmio_exits) }, - { "sig", VCPU_STAT(signal_exits) }, - { "sysc", VCPU_STAT(syscall_exits) }, - { "inst_emu", VCPU_STAT(emulated_inst_exits) }, - { "dec", VCPU_STAT(dec_exits) }, - { "ext_intr", VCPU_STAT(ext_intr_exits) }, - { "queue_intr", VCPU_STAT(queue_intr) }, - { "halt_wakeup", VCPU_STAT(halt_wakeup) }, - { "pf_storage", VCPU_STAT(pf_storage) }, - { "sp_storage", VCPU_STAT(sp_storage) }, - { "pf_instruc", VCPU_STAT(pf_instruc) }, - { "sp_instruc", VCPU_STAT(sp_instruc) }, - { "ld", VCPU_STAT(ld) }, - { "ld_slow", VCPU_STAT(ld_slow) }, - { "st", VCPU_STAT(st) }, - { "st_slow", VCPU_STAT(st_slow) }, - { NULL } +const struct _kvm_stats_desc kvm_vm_stats_desc[] = { + KVM_GENERIC_VM_STATS(), + STATS_DESC_ICOUNTER(VM, num_2M_pages), + STATS_DESC_ICOUNTER(VM, num_1G_pages) +}; + +const struct kvm_stats_header kvm_vm_stats_header = { + .name_size = KVM_STATS_NAME_SIZE, + .num_desc = ARRAY_SIZE(kvm_vm_stats_desc), + .id_offset = sizeof(struct kvm_stats_header), + .desc_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE, + .data_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE + + sizeof(kvm_vm_stats_desc), +}; + +const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { + KVM_GENERIC_VCPU_STATS(), + STATS_DESC_COUNTER(VCPU, sum_exits), + STATS_DESC_COUNTER(VCPU, mmio_exits), + STATS_DESC_COUNTER(VCPU, signal_exits), + STATS_DESC_COUNTER(VCPU, light_exits), + STATS_DESC_COUNTER(VCPU, itlb_real_miss_exits), + STATS_DESC_COUNTER(VCPU, itlb_virt_miss_exits), + STATS_DESC_COUNTER(VCPU, dtlb_real_miss_exits), + STATS_DESC_COUNTER(VCPU, dtlb_virt_miss_exits), + STATS_DESC_COUNTER(VCPU, syscall_exits), + STATS_DESC_COUNTER(VCPU, isi_exits), + STATS_DESC_COUNTER(VCPU, dsi_exits), + STATS_DESC_COUNTER(VCPU, emulated_inst_exits), + STATS_DESC_COUNTER(VCPU, dec_exits), + STATS_DESC_COUNTER(VCPU, ext_intr_exits), + STATS_DESC_COUNTER(VCPU, halt_successful_wait), + STATS_DESC_COUNTER(VCPU, dbell_exits), + STATS_DESC_COUNTER(VCPU, gdbell_exits), + STATS_DESC_COUNTER(VCPU, ld), + STATS_DESC_COUNTER(VCPU, st), + STATS_DESC_COUNTER(VCPU, pf_storage), + STATS_DESC_COUNTER(VCPU, pf_instruc), + STATS_DESC_COUNTER(VCPU, sp_storage), + STATS_DESC_COUNTER(VCPU, sp_instruc), + STATS_DESC_COUNTER(VCPU, queue_intr), + STATS_DESC_COUNTER(VCPU, ld_slow), + STATS_DESC_COUNTER(VCPU, st_slow), + STATS_DESC_COUNTER(VCPU, pthru_all), + STATS_DESC_COUNTER(VCPU, pthru_host), + STATS_DESC_COUNTER(VCPU, pthru_bad_aff) +}; + +const struct kvm_stats_header kvm_vcpu_stats_header = { + .name_size = KVM_STATS_NAME_SIZE, + .num_desc = ARRAY_SIZE(kvm_vcpu_stats_desc), + .id_offset = sizeof(struct kvm_stats_header), + .desc_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE, + .data_offset = sizeof(struct kvm_stats_header) + KVM_STATS_NAME_SIZE + + sizeof(kvm_vcpu_stats_desc), }; -void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu) +static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu, + unsigned long pending_now, unsigned long old_pending) { + if (is_kvmppc_hv_enabled(vcpu->kvm)) + return; + if (pending_now) + kvmppc_set_int_pending(vcpu, 1); + else if (old_pending) + kvmppc_set_int_pending(vcpu, 0); } -void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu) +static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu) { + ulong crit_raw; + ulong crit_r1; + bool crit; + + if (is_kvmppc_hv_enabled(vcpu->kvm)) + return false; + + crit_raw = kvmppc_get_critical(vcpu); + crit_r1 = kvmppc_get_gpr(vcpu, 1); + + /* Truncate crit indicators in 32 bit mode */ + if (!(kvmppc_get_msr(vcpu) & MSR_SF)) { + crit_raw &= 0xffffffff; + crit_r1 &= 0xffffffff; + } + + /* Critical section when crit == r1 */ + crit = (crit_raw == crit_r1); + /* ... and we're in supervisor mode */ + crit = crit && !(kvmppc_get_msr(vcpu) & MSR_PR); + + return crit; } void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags) { - vcpu->arch.shared->srr0 = kvmppc_get_pc(vcpu); - vcpu->arch.shared->srr1 = vcpu->arch.shared->msr | flags; - kvmppc_set_pc(vcpu, kvmppc_interrupt_offset(vcpu) + vec); - vcpu->arch.mmu.reset_msr(vcpu); + vcpu->kvm->arch.kvm_ops->inject_interrupt(vcpu, vec, flags); } static int kvmppc_book3s_vec2irqprio(unsigned int vec) @@ -89,7 +149,6 @@ static int kvmppc_book3s_vec2irqprio(unsigned int vec) case 0x400: prio = BOOK3S_IRQPRIO_INST_STORAGE; break; case 0x480: prio = BOOK3S_IRQPRIO_INST_SEGMENT; break; case 0x500: prio = BOOK3S_IRQPRIO_EXTERNAL; break; - case 0x501: prio = BOOK3S_IRQPRIO_EXTERNAL_LEVEL; break; case 0x600: prio = BOOK3S_IRQPRIO_ALIGNMENT; break; case 0x700: prio = BOOK3S_IRQPRIO_PROGRAM; break; case 0x800: prio = BOOK3S_IRQPRIO_FP_UNAVAIL; break; @@ -98,6 +157,7 @@ static int kvmppc_book3s_vec2irqprio(unsigned int vec) case 0xd00: prio = BOOK3S_IRQPRIO_DEBUG; break; case 0xf20: prio = BOOK3S_IRQPRIO_ALTIVEC; break; case 0xf40: prio = BOOK3S_IRQPRIO_VSX; break; + case 0xf60: prio = BOOK3S_IRQPRIO_FAC_UNAVAIL; break; default: prio = BOOK3S_IRQPRIO_MAX; break; } @@ -126,47 +186,115 @@ void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec) printk(KERN_INFO "Queueing interrupt %x\n", vec); #endif } +EXPORT_SYMBOL_GPL(kvmppc_book3s_queue_irqprio); + +void kvmppc_core_queue_machine_check(struct kvm_vcpu *vcpu, ulong srr1_flags) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_MACHINE_CHECK, srr1_flags); +} +EXPORT_SYMBOL_GPL(kvmppc_core_queue_machine_check); + +void kvmppc_core_queue_syscall(struct kvm_vcpu *vcpu) +{ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_SYSCALL, 0); +} +EXPORT_SYMBOL(kvmppc_core_queue_syscall); + +void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong srr1_flags) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_PROGRAM, srr1_flags); +} +EXPORT_SYMBOL_GPL(kvmppc_core_queue_program); +void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu, ulong srr1_flags) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, srr1_flags); +} -void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags) +void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu, ulong srr1_flags) { /* might as well deliver this straight away */ - kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_PROGRAM, flags); + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_ALTIVEC, srr1_flags); +} + +void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu, ulong srr1_flags) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_VSX, srr1_flags); } void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) { kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER); } +EXPORT_SYMBOL_GPL(kvmppc_core_queue_dec); int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu) { return test_bit(BOOK3S_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions); } +EXPORT_SYMBOL_GPL(kvmppc_core_pending_dec); void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu) { kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER); } +EXPORT_SYMBOL_GPL(kvmppc_core_dequeue_dec); void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq) { - unsigned int vec = BOOK3S_INTERRUPT_EXTERNAL; - - if (irq->irq == KVM_INTERRUPT_SET_LEVEL) - vec = BOOK3S_INTERRUPT_EXTERNAL_LEVEL; - - kvmppc_book3s_queue_irqprio(vcpu, vec); + /* + * This case (KVM_INTERRUPT_SET) should never actually arise for + * a pseries guest (because pseries guests expect their interrupt + * controllers to continue asserting an external interrupt request + * until it is acknowledged at the interrupt controller), but is + * included to avoid ABI breakage and potentially for other + * sorts of guest. + * + * There is a subtlety here: HV KVM does not test the + * external_oneshot flag in the code that synthesizes + * external interrupts for the guest just before entering + * the guest. That is OK even if userspace did do a + * KVM_INTERRUPT_SET on a pseries guest vcpu, because the + * caller (kvm_vcpu_ioctl_interrupt) does a kvm_vcpu_kick() + * which ends up doing a smp_send_reschedule(), which will + * pull the guest all the way out to the host, meaning that + * we will call kvmppc_core_prepare_to_enter() before entering + * the guest again, and that will handle the external_oneshot + * flag correctly. + */ + if (irq->irq == KVM_INTERRUPT_SET) + vcpu->arch.external_oneshot = 1; + + kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL); } void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu) { kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL); - kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL_LEVEL); } -int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority) +void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu, ulong srr1_flags, + ulong dar, ulong dsisr) +{ + kvmppc_set_dar(vcpu, dar); + kvmppc_set_dsisr(vcpu, dsisr); + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE, srr1_flags); +} +EXPORT_SYMBOL_GPL(kvmppc_core_queue_data_storage); + +void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu, ulong srr1_flags) +{ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_INST_STORAGE, srr1_flags); +} +EXPORT_SYMBOL_GPL(kvmppc_core_queue_inst_storage); + +static int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, + unsigned int priority) { int deliver = 1; int vec = 0; @@ -174,12 +302,11 @@ int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority) switch (priority) { case BOOK3S_IRQPRIO_DECREMENTER: - deliver = (vcpu->arch.shared->msr & MSR_EE) && !crit; + deliver = !kvmhv_is_nestedv2() && (kvmppc_get_msr(vcpu) & MSR_EE) && !crit; vec = BOOK3S_INTERRUPT_DECREMENTER; break; case BOOK3S_IRQPRIO_EXTERNAL: - case BOOK3S_IRQPRIO_EXTERNAL_LEVEL: - deliver = (vcpu->arch.shared->msr & MSR_EE) && !crit; + deliver = !kvmhv_is_nestedv2() && (kvmppc_get_msr(vcpu) & MSR_EE) && !crit; vec = BOOK3S_INTERRUPT_EXTERNAL; break; case BOOK3S_IRQPRIO_SYSTEM_RESET: @@ -224,16 +351,15 @@ int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority) case BOOK3S_IRQPRIO_PERFORMANCE_MONITOR: vec = BOOK3S_INTERRUPT_PERFMON; break; + case BOOK3S_IRQPRIO_FAC_UNAVAIL: + vec = BOOK3S_INTERRUPT_FAC_UNAVAIL; + break; default: deliver = 0; printk(KERN_ERR "KVM: Unknown interrupt: 0x%x\n", priority); break; } -#if 0 - printk(KERN_INFO "Deliver interrupt 0x%x? %x\n", vec, deliver); -#endif - if (deliver) kvmppc_inject_interrupt(vcpu, vec, 0); @@ -249,8 +375,16 @@ static bool clear_irqprio(struct kvm_vcpu *vcpu, unsigned int priority) case BOOK3S_IRQPRIO_DECREMENTER: /* DEC interrupts get cleared by mtdec */ return false; - case BOOK3S_IRQPRIO_EXTERNAL_LEVEL: - /* External interrupts get cleared by userspace */ + case BOOK3S_IRQPRIO_EXTERNAL: + /* + * External interrupts get cleared by userspace + * except when set by the KVM_INTERRUPT ioctl with + * KVM_INTERRUPT_SET (not KVM_INTERRUPT_SET_LEVEL). + */ + if (vcpu->arch.external_oneshot) { + vcpu->arch.external_oneshot = 0; + return true; + } return false; } @@ -285,37 +419,45 @@ int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu) return 0; } +EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter); -pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn) +kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing, + bool *writable, struct page **page) { - ulong mp_pa = vcpu->arch.magic_page_pa; + ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM; + gfn_t gfn = gpa >> PAGE_SHIFT; - if (!(vcpu->arch.shared->msr & MSR_SF)) + if (!(kvmppc_get_msr(vcpu) & MSR_SF)) mp_pa = (uint32_t)mp_pa; /* Magic page override */ - if (unlikely(mp_pa) && - unlikely(((gfn << PAGE_SHIFT) & KVM_PAM) == - ((mp_pa & PAGE_MASK) & KVM_PAM))) { + gpa &= ~0xFFFULL; + if (unlikely(mp_pa) && unlikely((gpa & KVM_PAM) == mp_pa)) { ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK; - pfn_t pfn; + kvm_pfn_t pfn; - pfn = (pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT; - get_page(pfn_to_page(pfn)); + pfn = (kvm_pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT; + *page = pfn_to_page(pfn); + get_page(*page); + if (writable) + *writable = true; return pfn; } - return gfn_to_pfn(vcpu->kvm, gfn); + return kvm_faultin_pfn(vcpu, gfn, writing, writable, page); } +EXPORT_SYMBOL_GPL(kvmppc_gpa_to_pfn); -static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data, - struct kvmppc_pte *pte) +int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid, + enum xlate_readwrite xlrw, struct kvmppc_pte *pte) { - int relocated = (vcpu->arch.shared->msr & (data ? MSR_DR : MSR_IR)); + bool data = (xlid == XLATE_DATA); + bool iswrite = (xlrw == XLATE_WRITE); + int relocated = (kvmppc_get_msr(vcpu) & (data ? MSR_DR : MSR_IR)); int r; if (relocated) { - r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data); + r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data, iswrite); } else { pte->eaddr = eaddr; pte->raddr = eaddr & KVM_PAM; @@ -324,99 +466,88 @@ static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data, pte->may_write = true; pte->may_execute = true; r = 0; + + if ((kvmppc_get_msr(vcpu) & (MSR_IR | MSR_DR)) == MSR_DR && + !data) { + if ((vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) && + ((eaddr & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS)) + pte->raddr &= ~SPLIT_HACK_MASK; + } } return r; } -static hva_t kvmppc_bad_hva(void) +/* + * Returns prefixed instructions with the prefix in the high 32 bits + * of *inst and suffix in the low 32 bits. This is the same convention + * as used in HEIR, vcpu->arch.last_inst and vcpu->arch.emul_inst. + * Like vcpu->arch.last_inst but unlike vcpu->arch.emul_inst, each + * half of the value needs byte-swapping if the guest endianness is + * different from the host endianness. + */ +int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, + enum instruction_fetch_type type, unsigned long *inst) { - return PAGE_OFFSET; + ulong pc = kvmppc_get_pc(vcpu); + int r; + u32 iw; + + if (type == INST_SC) + pc -= 4; + + r = kvmppc_ld(vcpu, &pc, sizeof(u32), &iw, false); + if (r != EMULATE_DONE) + return EMULATE_AGAIN; + /* + * If [H]SRR1 indicates that the instruction that caused the + * current interrupt is a prefixed instruction, get the suffix. + */ + if (kvmppc_get_msr(vcpu) & SRR1_PREFIXED) { + u32 suffix; + pc += 4; + r = kvmppc_ld(vcpu, &pc, sizeof(u32), &suffix, false); + if (r != EMULATE_DONE) + return EMULATE_AGAIN; + *inst = ((u64)iw << 32) | suffix; + } else { + *inst = iw; + } + return r; } +EXPORT_SYMBOL_GPL(kvmppc_load_last_inst); -static hva_t kvmppc_pte_to_hva(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte, - bool read) +int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu) { - hva_t hpage; - - if (read && !pte->may_read) - goto err; - - if (!read && !pte->may_write) - goto err; - - hpage = gfn_to_hva(vcpu->kvm, pte->raddr >> PAGE_SHIFT); - if (kvm_is_error_hva(hpage)) - goto err; - - return hpage | (pte->raddr & ~PAGE_MASK); -err: - return kvmppc_bad_hva(); + return 0; } -int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, - bool data) +void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu) { - struct kvmppc_pte pte; - - vcpu->stat.st++; - - if (kvmppc_xlate(vcpu, *eaddr, data, &pte)) - return -ENOENT; - - *eaddr = pte.raddr; - - if (!pte.may_write) - return -EPERM; - - if (kvm_write_guest(vcpu->kvm, pte.raddr, ptr, size)) - return EMULATE_DO_MMIO; - - return EMULATE_DONE; } -int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, - bool data) +int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, + struct kvm_sregs *sregs) { - struct kvmppc_pte pte; - hva_t hva = *eaddr; - - vcpu->stat.ld++; - - if (kvmppc_xlate(vcpu, *eaddr, data, &pte)) - goto nopte; + int ret; - *eaddr = pte.raddr; + vcpu_load(vcpu); + ret = vcpu->kvm->arch.kvm_ops->get_sregs(vcpu, sregs); + vcpu_put(vcpu); - hva = kvmppc_pte_to_hva(vcpu, &pte, true); - if (kvm_is_error_hva(hva)) - goto mmio; - - if (copy_from_user(ptr, (void __user *)hva, size)) { - printk(KERN_INFO "kvmppc_ld at 0x%lx failed\n", hva); - goto mmio; - } - - return EMULATE_DONE; - -nopte: - return -ENOENT; -mmio: - return EMULATE_DO_MMIO; + return ret; } -int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) +int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, + struct kvm_sregs *sregs) { - return 0; -} + int ret; -int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu) -{ - return 0; -} + vcpu_load(vcpu); + ret = vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs); + vcpu_put(vcpu); -void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu) -{ + return ret; } int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) @@ -428,18 +559,18 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) regs->ctr = kvmppc_get_ctr(vcpu); regs->lr = kvmppc_get_lr(vcpu); regs->xer = kvmppc_get_xer(vcpu); - regs->msr = vcpu->arch.shared->msr; - regs->srr0 = vcpu->arch.shared->srr0; - regs->srr1 = vcpu->arch.shared->srr1; - regs->pid = vcpu->arch.pid; - regs->sprg0 = vcpu->arch.shared->sprg0; - regs->sprg1 = vcpu->arch.shared->sprg1; - regs->sprg2 = vcpu->arch.shared->sprg2; - regs->sprg3 = vcpu->arch.shared->sprg3; - regs->sprg4 = vcpu->arch.shared->sprg4; - regs->sprg5 = vcpu->arch.shared->sprg5; - regs->sprg6 = vcpu->arch.shared->sprg6; - regs->sprg7 = vcpu->arch.shared->sprg7; + regs->msr = kvmppc_get_msr(vcpu); + regs->srr0 = kvmppc_get_srr0(vcpu); + regs->srr1 = kvmppc_get_srr1(vcpu); + regs->pid = kvmppc_get_pid(vcpu); + regs->sprg0 = kvmppc_get_sprg0(vcpu); + regs->sprg1 = kvmppc_get_sprg1(vcpu); + regs->sprg2 = kvmppc_get_sprg2(vcpu); + regs->sprg3 = kvmppc_get_sprg3(vcpu); + regs->sprg4 = kvmppc_get_sprg4(vcpu); + regs->sprg5 = kvmppc_get_sprg5(vcpu); + regs->sprg6 = kvmppc_get_sprg6(vcpu); + regs->sprg7 = kvmppc_get_sprg7(vcpu); for (i = 0; i < ARRAY_SIZE(regs->gpr); i++) regs->gpr[i] = kvmppc_get_gpr(vcpu, i); @@ -457,16 +588,16 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) kvmppc_set_lr(vcpu, regs->lr); kvmppc_set_xer(vcpu, regs->xer); kvmppc_set_msr(vcpu, regs->msr); - vcpu->arch.shared->srr0 = regs->srr0; - vcpu->arch.shared->srr1 = regs->srr1; - vcpu->arch.shared->sprg0 = regs->sprg0; - vcpu->arch.shared->sprg1 = regs->sprg1; - vcpu->arch.shared->sprg2 = regs->sprg2; - vcpu->arch.shared->sprg3 = regs->sprg3; - vcpu->arch.shared->sprg4 = regs->sprg4; - vcpu->arch.shared->sprg5 = regs->sprg5; - vcpu->arch.shared->sprg6 = regs->sprg6; - vcpu->arch.shared->sprg7 = regs->sprg7; + kvmppc_set_srr0(vcpu, regs->srr0); + kvmppc_set_srr1(vcpu, regs->srr1); + kvmppc_set_sprg0(vcpu, regs->sprg0); + kvmppc_set_sprg1(vcpu, regs->sprg1); + kvmppc_set_sprg2(vcpu, regs->sprg2); + kvmppc_set_sprg3(vcpu, regs->sprg3); + kvmppc_set_sprg4(vcpu, regs->sprg4); + kvmppc_set_sprg5(vcpu, regs->sprg5); + kvmppc_set_sprg6(vcpu, regs->sprg6); + kvmppc_set_sprg7(vcpu, regs->sprg7); for (i = 0; i < ARRAY_SIZE(regs->gpr); i++) kvmppc_set_gpr(vcpu, i, regs->gpr[i]); @@ -476,146 +607,178 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) { - return -ENOTSUPP; + return -EOPNOTSUPP; } int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) { - return -ENOTSUPP; + return -EOPNOTSUPP; } -int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) +int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, + union kvmppc_one_reg *val) { - int r; - union kvmppc_one_reg val; - int size; + int r = 0; long int i; - size = one_reg_size(reg->id); - if (size > sizeof(val)) - return -EINVAL; - - r = kvmppc_get_one_reg(vcpu, reg->id, &val); - + r = vcpu->kvm->arch.kvm_ops->get_one_reg(vcpu, id, val); if (r == -EINVAL) { r = 0; - switch (reg->id) { + switch (id) { case KVM_REG_PPC_DAR: - val = get_reg_val(reg->id, vcpu->arch.shared->dar); + *val = get_reg_val(id, kvmppc_get_dar(vcpu)); break; case KVM_REG_PPC_DSISR: - val = get_reg_val(reg->id, vcpu->arch.shared->dsisr); + *val = get_reg_val(id, kvmppc_get_dsisr(vcpu)); break; case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31: - i = reg->id - KVM_REG_PPC_FPR0; - val = get_reg_val(reg->id, vcpu->arch.fpr[i]); + i = id - KVM_REG_PPC_FPR0; + *val = get_reg_val(id, kvmppc_get_fpr(vcpu, i)); break; case KVM_REG_PPC_FPSCR: - val = get_reg_val(reg->id, vcpu->arch.fpscr); - break; -#ifdef CONFIG_ALTIVEC - case KVM_REG_PPC_VR0 ... KVM_REG_PPC_VR31: - if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { - r = -ENXIO; - break; - } - val.vval = vcpu->arch.vr[reg->id - KVM_REG_PPC_VR0]; + *val = get_reg_val(id, kvmppc_get_fpscr(vcpu)); break; - case KVM_REG_PPC_VSCR: - if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { +#ifdef CONFIG_VSX + case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31: + if (cpu_has_feature(CPU_FTR_VSX)) { + i = id - KVM_REG_PPC_VSR0; + val->vsxval[0] = kvmppc_get_vsx_fpr(vcpu, i, 0); + val->vsxval[1] = kvmppc_get_vsx_fpr(vcpu, i, 1); + } else { r = -ENXIO; - break; } - val = get_reg_val(reg->id, vcpu->arch.vscr.u[3]); break; -#endif /* CONFIG_ALTIVEC */ - case KVM_REG_PPC_DEBUG_INST: { - u32 opcode = INS_TW; - r = copy_to_user((u32 __user *)(long)reg->addr, - &opcode, sizeof(u32)); +#endif /* CONFIG_VSX */ + case KVM_REG_PPC_DEBUG_INST: + *val = get_reg_val(id, INS_TW); break; - } #ifdef CONFIG_KVM_XICS case KVM_REG_PPC_ICP_STATE: - if (!vcpu->arch.icp) { + if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) { r = -ENXIO; break; } - val = get_reg_val(reg->id, kvmppc_xics_get_icp(vcpu)); + if (xics_on_xive()) + *val = get_reg_val(id, kvmppc_xive_get_icp(vcpu)); + else + *val = get_reg_val(id, kvmppc_xics_get_icp(vcpu)); break; #endif /* CONFIG_KVM_XICS */ +#ifdef CONFIG_KVM_XIVE + case KVM_REG_PPC_VP_STATE: + if (!vcpu->arch.xive_vcpu) { + r = -ENXIO; + break; + } + if (xive_enabled()) + r = kvmppc_xive_native_get_vp(vcpu, val); + else + r = -ENXIO; + break; +#endif /* CONFIG_KVM_XIVE */ + case KVM_REG_PPC_FSCR: + *val = get_reg_val(id, vcpu->arch.fscr); + break; + case KVM_REG_PPC_TAR: + *val = get_reg_val(id, kvmppc_get_tar(vcpu)); + break; + case KVM_REG_PPC_EBBHR: + *val = get_reg_val(id, kvmppc_get_ebbhr(vcpu)); + break; + case KVM_REG_PPC_EBBRR: + *val = get_reg_val(id, kvmppc_get_ebbrr(vcpu)); + break; + case KVM_REG_PPC_BESCR: + *val = get_reg_val(id, kvmppc_get_bescr(vcpu)); + break; + case KVM_REG_PPC_IC: + *val = get_reg_val(id, kvmppc_get_ic(vcpu)); + break; default: r = -EINVAL; break; } } - if (r) - return r; - - if (copy_to_user((char __user *)(unsigned long)reg->addr, &val, size)) - r = -EFAULT; return r; } -int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) +int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, + union kvmppc_one_reg *val) { - int r; - union kvmppc_one_reg val; - int size; + int r = 0; long int i; - size = one_reg_size(reg->id); - if (size > sizeof(val)) - return -EINVAL; - - if (copy_from_user(&val, (char __user *)(unsigned long)reg->addr, size)) - return -EFAULT; - - r = kvmppc_set_one_reg(vcpu, reg->id, &val); - + r = vcpu->kvm->arch.kvm_ops->set_one_reg(vcpu, id, val); if (r == -EINVAL) { r = 0; - switch (reg->id) { + switch (id) { case KVM_REG_PPC_DAR: - vcpu->arch.shared->dar = set_reg_val(reg->id, val); + kvmppc_set_dar(vcpu, set_reg_val(id, *val)); break; case KVM_REG_PPC_DSISR: - vcpu->arch.shared->dsisr = set_reg_val(reg->id, val); + kvmppc_set_dsisr(vcpu, set_reg_val(id, *val)); break; case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31: - i = reg->id - KVM_REG_PPC_FPR0; - vcpu->arch.fpr[i] = set_reg_val(reg->id, val); + i = id - KVM_REG_PPC_FPR0; + kvmppc_set_fpr(vcpu, i, set_reg_val(id, *val)); break; case KVM_REG_PPC_FPSCR: - vcpu->arch.fpscr = set_reg_val(reg->id, val); + vcpu->arch.fp.fpscr = set_reg_val(id, *val); break; -#ifdef CONFIG_ALTIVEC - case KVM_REG_PPC_VR0 ... KVM_REG_PPC_VR31: - if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { +#ifdef CONFIG_VSX + case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31: + if (cpu_has_feature(CPU_FTR_VSX)) { + i = id - KVM_REG_PPC_VSR0; + kvmppc_set_vsx_fpr(vcpu, i, 0, val->vsxval[0]); + kvmppc_set_vsx_fpr(vcpu, i, 1, val->vsxval[1]); + } else { r = -ENXIO; - break; } - vcpu->arch.vr[reg->id - KVM_REG_PPC_VR0] = val.vval; break; - case KVM_REG_PPC_VSCR: - if (!cpu_has_feature(CPU_FTR_ALTIVEC)) { +#endif /* CONFIG_VSX */ +#ifdef CONFIG_KVM_XICS + case KVM_REG_PPC_ICP_STATE: + if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) { r = -ENXIO; break; } - vcpu->arch.vscr.u[3] = set_reg_val(reg->id, val); + if (xics_on_xive()) + r = kvmppc_xive_set_icp(vcpu, set_reg_val(id, *val)); + else + r = kvmppc_xics_set_icp(vcpu, set_reg_val(id, *val)); break; -#endif /* CONFIG_ALTIVEC */ -#ifdef CONFIG_KVM_XICS - case KVM_REG_PPC_ICP_STATE: - if (!vcpu->arch.icp) { +#endif /* CONFIG_KVM_XICS */ +#ifdef CONFIG_KVM_XIVE + case KVM_REG_PPC_VP_STATE: + if (!vcpu->arch.xive_vcpu) { r = -ENXIO; break; } - r = kvmppc_xics_set_icp(vcpu, - set_reg_val(reg->id, val)); + if (xive_enabled()) + r = kvmppc_xive_native_set_vp(vcpu, val); + else + r = -ENXIO; + break; +#endif /* CONFIG_KVM_XIVE */ + case KVM_REG_PPC_FSCR: + kvmppc_set_fpscr(vcpu, set_reg_val(id, *val)); + break; + case KVM_REG_PPC_TAR: + kvmppc_set_tar(vcpu, set_reg_val(id, *val)); + break; + case KVM_REG_PPC_EBBHR: + kvmppc_set_ebbhr(vcpu, set_reg_val(id, *val)); + break; + case KVM_REG_PPC_EBBRR: + kvmppc_set_ebbrr(vcpu, set_reg_val(id, *val)); + break; + case KVM_REG_PPC_BESCR: + kvmppc_set_bescr(vcpu, set_reg_val(id, *val)); + break; + case KVM_REG_PPC_IC: + kvmppc_set_ic(vcpu, set_reg_val(id, *val)); break; -#endif /* CONFIG_KVM_XICS */ default: r = -EINVAL; break; @@ -625,6 +788,27 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) return r; } +void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) +{ + vcpu->kvm->arch.kvm_ops->vcpu_load(vcpu, cpu); +} + +void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) +{ + vcpu->kvm->arch.kvm_ops->vcpu_put(vcpu); +} + +void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr) +{ + vcpu->kvm->arch.kvm_ops->set_msr(vcpu, msr); +} +EXPORT_SYMBOL_GPL(kvmppc_set_msr); + +int kvmppc_vcpu_run(struct kvm_vcpu *vcpu) +{ + return vcpu->kvm->arch.kvm_ops->vcpu_run(vcpu); +} + int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, struct kvm_translation *tr) { @@ -634,13 +818,288 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_guest_debug *dbg) { - return -EINVAL; + vcpu_load(vcpu); + vcpu->guest_debug = dbg->control; + vcpu_put(vcpu); + return 0; } -void kvmppc_decrementer_func(unsigned long data) +void kvmppc_decrementer_func(struct kvm_vcpu *vcpu) { - struct kvm_vcpu *vcpu = (struct kvm_vcpu *)data; - kvmppc_core_queue_dec(vcpu); kvm_vcpu_kick(vcpu); } + +int kvmppc_core_vcpu_create(struct kvm_vcpu *vcpu) +{ + return vcpu->kvm->arch.kvm_ops->vcpu_create(vcpu); +} + +void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) +{ + vcpu->kvm->arch.kvm_ops->vcpu_free(vcpu); +} + +int kvmppc_core_check_requests(struct kvm_vcpu *vcpu) +{ + return vcpu->kvm->arch.kvm_ops->check_requests(vcpu); +} + +void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot) +{ + +} + +int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log) +{ + return kvm->arch.kvm_ops->get_dirty_log(kvm, log); +} + +void kvmppc_core_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot) +{ + kvm->arch.kvm_ops->free_memslot(slot); +} + +void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot) +{ + kvm->arch.kvm_ops->flush_memslot(kvm, memslot); +} + +int kvmppc_core_prepare_memory_region(struct kvm *kvm, + const struct kvm_memory_slot *old, + struct kvm_memory_slot *new, + enum kvm_mr_change change) +{ + return kvm->arch.kvm_ops->prepare_memory_region(kvm, old, new, change); +} + +void kvmppc_core_commit_memory_region(struct kvm *kvm, + struct kvm_memory_slot *old, + const struct kvm_memory_slot *new, + enum kvm_mr_change change) +{ + kvm->arch.kvm_ops->commit_memory_region(kvm, old, new, change); +} + +bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range) +{ + return kvm->arch.kvm_ops->unmap_gfn_range(kvm, range); +} + +bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range) +{ + return kvm->arch.kvm_ops->age_gfn(kvm, range); +} + +bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range) +{ + return kvm->arch.kvm_ops->test_age_gfn(kvm, range); +} + +int kvmppc_core_init_vm(struct kvm *kvm) +{ + +#ifdef CONFIG_PPC64 + INIT_LIST_HEAD_RCU(&kvm->arch.spapr_tce_tables); + INIT_LIST_HEAD(&kvm->arch.rtas_tokens); + mutex_init(&kvm->arch.rtas_token_lock); +#endif + + return kvm->arch.kvm_ops->init_vm(kvm); +} + +void kvmppc_core_destroy_vm(struct kvm *kvm) +{ + kvm->arch.kvm_ops->destroy_vm(kvm); + +#ifdef CONFIG_PPC64 + kvmppc_rtas_tokens_free(kvm); + WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables)); +#endif + +#ifdef CONFIG_KVM_XICS + /* + * Free the XIVE and XICS devices which are not directly freed by the + * device 'release' method + */ + kfree(kvm->arch.xive_devices.native); + kvm->arch.xive_devices.native = NULL; + kfree(kvm->arch.xive_devices.xics_on_xive); + kvm->arch.xive_devices.xics_on_xive = NULL; + kfree(kvm->arch.xics_device); + kvm->arch.xics_device = NULL; +#endif /* CONFIG_KVM_XICS */ +} + +int kvmppc_h_logical_ci_load(struct kvm_vcpu *vcpu) +{ + unsigned long size = kvmppc_get_gpr(vcpu, 4); + unsigned long addr = kvmppc_get_gpr(vcpu, 5); + u64 buf; + int srcu_idx; + int ret; + + if (!is_power_of_2(size) || (size > sizeof(buf))) + return H_TOO_HARD; + + srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); + ret = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, size, &buf); + srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx); + if (ret != 0) + return H_TOO_HARD; + + switch (size) { + case 1: + kvmppc_set_gpr(vcpu, 4, *(u8 *)&buf); + break; + + case 2: + kvmppc_set_gpr(vcpu, 4, be16_to_cpu(*(__be16 *)&buf)); + break; + + case 4: + kvmppc_set_gpr(vcpu, 4, be32_to_cpu(*(__be32 *)&buf)); + break; + + case 8: + kvmppc_set_gpr(vcpu, 4, be64_to_cpu(*(__be64 *)&buf)); + break; + + default: + BUG(); + } + + return H_SUCCESS; +} +EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_load); + +int kvmppc_h_logical_ci_store(struct kvm_vcpu *vcpu) +{ + unsigned long size = kvmppc_get_gpr(vcpu, 4); + unsigned long addr = kvmppc_get_gpr(vcpu, 5); + unsigned long val = kvmppc_get_gpr(vcpu, 6); + u64 buf; + int srcu_idx; + int ret; + + switch (size) { + case 1: + *(u8 *)&buf = val; + break; + + case 2: + *(__be16 *)&buf = cpu_to_be16(val); + break; + + case 4: + *(__be32 *)&buf = cpu_to_be32(val); + break; + + case 8: + *(__be64 *)&buf = cpu_to_be64(val); + break; + + default: + return H_TOO_HARD; + } + + srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); + ret = kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, size, &buf); + srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx); + if (ret != 0) + return H_TOO_HARD; + + return H_SUCCESS; +} +EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_store); + +int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hcall) +{ + return kvm->arch.kvm_ops->hcall_implemented(hcall); +} + +#ifdef CONFIG_KVM_XICS +int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level, + bool line_status) +{ + if (xics_on_xive()) + return kvmppc_xive_set_irq(kvm, irq_source_id, irq, level, + line_status); + else + return kvmppc_xics_set_irq(kvm, irq_source_id, irq, level, + line_status); +} + +int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *irq_entry, + struct kvm *kvm, int irq_source_id, + int level, bool line_status) +{ + return kvm_set_irq(kvm, irq_source_id, irq_entry->gsi, + level, line_status); +} +static int kvmppc_book3s_set_irq(struct kvm_kernel_irq_routing_entry *e, + struct kvm *kvm, int irq_source_id, int level, + bool line_status) +{ + return kvm_set_irq(kvm, irq_source_id, e->gsi, level, line_status); +} + +int kvm_irq_map_gsi(struct kvm *kvm, + struct kvm_kernel_irq_routing_entry *entries, int gsi) +{ + entries->gsi = gsi; + entries->type = KVM_IRQ_ROUTING_IRQCHIP; + entries->set = kvmppc_book3s_set_irq; + entries->irqchip.irqchip = 0; + entries->irqchip.pin = gsi; + return 1; +} + +int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin) +{ + return pin; +} + +#endif /* CONFIG_KVM_XICS */ + +static int kvmppc_book3s_init(void) +{ + int r; + + r = kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE); + if (r) + return r; +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER + r = kvmppc_book3s_init_pr(); +#endif + +#ifdef CONFIG_KVM_XICS +#ifdef CONFIG_KVM_XIVE + if (xics_on_xive()) { + kvm_register_device_ops(&kvm_xive_ops, KVM_DEV_TYPE_XICS); + if (kvmppc_xive_native_supported()) + kvm_register_device_ops(&kvm_xive_native_ops, + KVM_DEV_TYPE_XIVE); + } else +#endif + kvm_register_device_ops(&kvm_xics_ops, KVM_DEV_TYPE_XICS); +#endif + return r; +} + +static void kvmppc_book3s_exit(void) +{ +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER + kvmppc_book3s_exit_pr(); +#endif + kvm_exit(); +} + +module_init(kvmppc_book3s_init); +module_exit(kvmppc_book3s_exit); + +/* On 32bit this is our one and only kernel module */ +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER +MODULE_ALIAS_MISCDEV(KVM_MINOR); +MODULE_ALIAS("devname:kvm"); +#endif |