From 2ba9f0d8875073a2ed802fca0c25c9bfc4338439 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 7 Oct 2013 22:17:59 +0530 Subject: [PATCH] kvm: powerpc: book3s: Support building HV and PR KVM as module Signed-off-by: Aneesh Kumar K.V [agraf: squash in compile fix] Signed-off-by: Alexander Graf --- arch/powerpc/kvm/Kconfig | 6 +++--- arch/powerpc/kvm/Makefile | 11 ++++++++--- arch/powerpc/kvm/book3s.c | 12 +++++++++++- arch/powerpc/kvm/book3s_emulate.c | 2 +- arch/powerpc/kvm/book3s_hv.c | 2 ++ arch/powerpc/kvm/book3s_pr.c | 5 ++++- arch/powerpc/kvm/book3s_rtas.c | 1 + arch/powerpc/kvm/book3s_xics.c | 1 + arch/powerpc/kvm/emulate.c | 1 + arch/powerpc/kvm/powerpc.c | 10 ++++++++++ virt/kvm/kvm_main.c | 4 ++++ 11 files changed, 46 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index a96d7c32f785..8aeeda1ff42a 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -73,7 +73,7 @@ config KVM_BOOK3S_64 If unsure, say N. config KVM_BOOK3S_64_HV - bool "KVM support for POWER7 and PPC970 using hypervisor mode in host" + tristate "KVM support for POWER7 and PPC970 using hypervisor mode in host" depends on KVM_BOOK3S_64 select KVM_BOOK3S_HV_POSSIBLE select MMU_NOTIFIER @@ -94,8 +94,8 @@ config KVM_BOOK3S_64_HV If unsure, say N. config KVM_BOOK3S_64_PR - bool "KVM support without using hypervisor mode in host" - depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV + tristate "KVM support without using hypervisor mode in host" + depends on KVM_BOOK3S_64 select KVM_BOOK3S_PR_POSSIBLE ---help--- Support running guest kernels in virtual machines on processors diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index fa17b337bb96..ce569b6bf4d8 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -56,7 +56,7 @@ kvm-objs-$(CONFIG_KVM_E500MC) := $(kvm-e500mc-objs) kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) := \ book3s_64_vio_hv.o -kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_PR) := \ +kvm-pr-y := \ fpu.o \ book3s_paired_singles.o \ book3s_pr.o \ @@ -76,7 +76,7 @@ kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) += \ book3s_rmhandlers.o endif -kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_HV) += \ +kvm-hv-y += \ book3s_hv.o \ book3s_hv_interrupts.o \ book3s_64_mmu_hv.o @@ -84,13 +84,15 @@ kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_HV) += \ kvm-book3s_64-builtin-xics-objs-$(CONFIG_KVM_XICS) := \ book3s_hv_rm_xics.o -kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HV) += \ +ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE +kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) += \ book3s_hv_rmhandlers.o \ book3s_hv_rm_mmu.o \ book3s_hv_ras.o \ book3s_hv_builtin.o \ book3s_hv_cma.o \ $(kvm-book3s_64-builtin-xics-objs-y) +endif kvm-book3s_64-objs-$(CONFIG_KVM_XICS) += \ book3s_xics.o @@ -131,4 +133,7 @@ obj-$(CONFIG_KVM_E500MC) += kvm.o obj-$(CONFIG_KVM_BOOK3S_64) += kvm.o obj-$(CONFIG_KVM_BOOK3S_32) += kvm.o +obj-$(CONFIG_KVM_BOOK3S_64_PR) += kvm-pr.o +obj-$(CONFIG_KVM_BOOK3S_64_HV) += kvm-hv.o + obj-y += $(kvm-book3s_64-builtin-objs-y) diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 493aff77f84e..39d2994f9d27 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -170,28 +170,32 @@ 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_program(struct kvm_vcpu *vcpu, ulong flags) { /* might as well deliver this straight away */ kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_PROGRAM, flags); } +EXPORT_SYMBOL_GPL(kvmppc_core_queue_program); 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) @@ -329,6 +333,7 @@ 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, bool writing, bool *writable) @@ -354,6 +359,7 @@ pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn, bool writing, return gfn_to_pfn_prot(vcpu->kvm, gfn, writing, writable); } +EXPORT_SYMBOL_GPL(kvmppc_gfn_to_pfn); static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data, bool iswrite, struct kvmppc_pte *pte) @@ -421,6 +427,7 @@ int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, return EMULATE_DONE; } +EXPORT_SYMBOL_GPL(kvmppc_st); int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data) @@ -451,6 +458,7 @@ nopte: mmio: return EMULATE_DO_MMIO; } +EXPORT_SYMBOL_GPL(kvmppc_ld); int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) { @@ -706,6 +714,7 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr) { kvmppc_ops->set_msr(vcpu, msr); } +EXPORT_SYMBOL_GPL(kvmppc_set_msr); int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) { @@ -787,6 +796,7 @@ int kvm_unmap_hva(struct kvm *kvm, unsigned long hva) { return kvmppc_ops->unmap_hva(kvm, hva); } +EXPORT_SYMBOL_GPL(kvm_unmap_hva); int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) { diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index b9841ad844fb..99d40f8977e8 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -172,7 +172,7 @@ int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu, vcpu->arch.mmu.tlbie(vcpu, addr, large); break; } -#ifdef CONFIG_KVM_BOOK3S_64_PR +#ifdef CONFIG_PPC_BOOK3S_64 case OP_31_XOP_FAKE_SC1: { /* SC 1 papr hypercalls */ diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 0782c8688c8b..9e954a81c078 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -52,6 +52,7 @@ #include #include #include +#include #include "book3s.h" @@ -2215,3 +2216,4 @@ static void kvmppc_book3s_exit_hv(void) module_init(kvmppc_book3s_init_hv); module_exit(kvmppc_book3s_exit_hv); +MODULE_LICENSE("GPL"); diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index ca6c73d2ee77..7f583a482161 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -40,6 +40,7 @@ #include #include #include +#include #include "book3s.h" @@ -918,7 +919,7 @@ program_interrupt: ulong cmd = kvmppc_get_gpr(vcpu, 3); int i; -#ifdef CONFIG_KVM_BOOK3S_64_PR +#ifdef CONFIG_PPC_BOOK3S_64 if (kvmppc_h_pr(vcpu, cmd) == EMULATE_DONE) { r = RESUME_GUEST; break; @@ -1582,3 +1583,5 @@ static void kvmppc_book3s_exit_pr(void) module_init(kvmppc_book3s_init_pr); module_exit(kvmppc_book3s_exit_pr); + +MODULE_LICENSE("GPL"); diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c index 3219ba895246..cf95cdef73c9 100644 --- a/arch/powerpc/kvm/book3s_rtas.c +++ b/arch/powerpc/kvm/book3s_rtas.c @@ -260,6 +260,7 @@ fail: */ return rc; } +EXPORT_SYMBOL_GPL(kvmppc_rtas_hcall); void kvmppc_rtas_tokens_free(struct kvm *kvm) { diff --git a/arch/powerpc/kvm/book3s_xics.c b/arch/powerpc/kvm/book3s_xics.c index cef3de96ff6c..c3c832b27ee5 100644 --- a/arch/powerpc/kvm/book3s_xics.c +++ b/arch/powerpc/kvm/book3s_xics.c @@ -840,6 +840,7 @@ int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 req) return rc; } +EXPORT_SYMBOL_GPL(kvmppc_xics_hcall); /* -- Initialisation code etc. -- */ diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 81762eb7957e..de9a340d22ed 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -483,3 +483,4 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) return emulated; } +EXPORT_SYMBOL_GPL(kvmppc_emulate_instruction); diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 874a2a5e6cec..9aaa07efa4b6 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -126,6 +126,7 @@ int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu) return r; } +EXPORT_SYMBOL_GPL(kvmppc_prepare_to_enter); int kvmppc_kvm_pv(struct kvm_vcpu *vcpu) { @@ -179,6 +180,7 @@ int kvmppc_kvm_pv(struct kvm_vcpu *vcpu) return r; } +EXPORT_SYMBOL_GPL(kvmppc_kvm_pv); int kvmppc_sanity_check(struct kvm_vcpu *vcpu) { @@ -207,6 +209,7 @@ out: vcpu->arch.sane = r; return r ? 0 : -EINVAL; } +EXPORT_SYMBOL_GPL(kvmppc_sanity_check); int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu) { @@ -241,6 +244,7 @@ int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu) return r; } +EXPORT_SYMBOL_GPL(kvmppc_emulate_mmio); int kvm_arch_hardware_enable(void *garbage) { @@ -665,6 +669,7 @@ int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, return EMULATE_DO_MMIO; } +EXPORT_SYMBOL_GPL(kvmppc_handle_load); /* Same as above, but sign extends */ int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, @@ -726,6 +731,7 @@ int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, return EMULATE_DO_MMIO; } +EXPORT_SYMBOL_GPL(kvmppc_handle_store); int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { @@ -1074,22 +1080,26 @@ long kvmppc_alloc_lpid(void) return lpid; } +EXPORT_SYMBOL_GPL(kvmppc_alloc_lpid); void kvmppc_claim_lpid(long lpid) { set_bit(lpid, lpid_inuse); } +EXPORT_SYMBOL_GPL(kvmppc_claim_lpid); void kvmppc_free_lpid(long lpid) { clear_bit(lpid, lpid_inuse); } +EXPORT_SYMBOL_GPL(kvmppc_free_lpid); void kvmppc_init_lpid(unsigned long nr_lpids_param) { nr_lpids = min_t(unsigned long, KVMPPC_NR_LPIDS, nr_lpids_param); memset(lpid_inuse, 0, sizeof(lpid_inuse)); } +EXPORT_SYMBOL_GPL(kvmppc_init_lpid); int kvm_arch_init(void *opaque) { diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d469114aff09..94c6e3f6f244 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -187,6 +187,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) ++kvm->stat.remote_tlb_flush; cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); } +EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); void kvm_reload_remote_mmus(struct kvm *kvm) { @@ -965,6 +966,7 @@ int kvm_get_dirty_log(struct kvm *kvm, out: return r; } +EXPORT_SYMBOL_GPL(kvm_get_dirty_log); bool kvm_largepages_enabled(void) { @@ -1653,6 +1655,7 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn) memslot = gfn_to_memslot(kvm, gfn); mark_page_dirty_in_slot(kvm, memslot, gfn); } +EXPORT_SYMBOL_GPL(mark_page_dirty); /* * The vCPU has executed a HLT instruction with in-kernel mode enabled. @@ -1678,6 +1681,7 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) finish_wait(&vcpu->wq, &wait); } +EXPORT_SYMBOL_GPL(kvm_vcpu_block); #ifndef CONFIG_S390 /* -- 2.20.1