From patchwork Fri Sep 27 10:03:50 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Aneesh Kumar K.V" X-Patchwork-Id: 278510 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 403F82C0357 for ; Fri, 27 Sep 2013 20:04:24 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751883Ab3I0KEQ (ORCPT ); Fri, 27 Sep 2013 06:04:16 -0400 Received: from e28smtp05.in.ibm.com ([122.248.162.5]:55289 "EHLO e28smtp05.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751877Ab3I0KEO (ORCPT ); Fri, 27 Sep 2013 06:04:14 -0400 Received: from /spool/local by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 27 Sep 2013 15:34:05 +0530 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id 372D01258051 for ; Fri, 27 Sep 2013 15:34:19 +0530 (IST) Received: from d28av02.in.ibm.com (d28av02.in.ibm.com [9.184.220.64]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r8RA6MtP41025646 for ; Fri, 27 Sep 2013 15:36:22 +0530 Received: from d28av02.in.ibm.com (localhost [127.0.0.1]) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id r8RA43hg020297 for ; Fri, 27 Sep 2013 15:34:04 +0530 Received: from skywalker.in.ibm.com (skywalker.in.ibm.com [9.124.158.186] (may be forged)) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id r8RA41Lg019963; Fri, 27 Sep 2013 15:34:03 +0530 From: "Aneesh Kumar K.V" To: agraf@suse.de, benh@kernel.crashing.org, paulus@samba.org Cc: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org, "Aneesh Kumar K.V" Subject: [RFC PATCH 08/11] kvm: powerpc: book3s: Support building HV and PR KVM as module Date: Fri, 27 Sep 2013 15:33:50 +0530 Message-Id: <1380276233-17095-9-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1380276233-17095-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1380276233-17095-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13092710-8256-0000-0000-000009679B2F Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org From: "Aneesh Kumar K.V" Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/kvm/Kconfig | 6 +++--- arch/powerpc/kvm/Makefile | 12 ++++++++---- arch/powerpc/kvm/book3s.c | 19 ++++++++++++++++++- arch/powerpc/kvm/book3s_64_mmu_host.c | 1 + arch/powerpc/kvm/book3s_emulate.c | 2 +- arch/powerpc/kvm/book3s_hv.c | 4 ++++ arch/powerpc/kvm/book3s_pr.c | 5 ++++- arch/powerpc/kvm/book3s_rtas.c | 1 + arch/powerpc/kvm/emulate.c | 1 + arch/powerpc/kvm/powerpc.c | 6 ++++++ virt/kvm/kvm_main.c | 3 +++ 11 files changed, 50 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 5c62459..f63fd8f 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 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 ---help--- Support running guest kernels in virtual machines on processors diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index a514ecd..861b8da 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -56,8 +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) := \ - $(KVM)/coalesced_mmio.o \ +kvm-pr-y := \ fpu.o \ book3s_paired_singles.o \ book3s_pr.o \ @@ -77,7 +76,7 @@ kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) += \ book3s_rmhandlers.o endif -kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_HV) += \ +kvm-hv-y += \ book3s_hv.o \ book3s_hv_interrupts.o \ book3s_64_mmu_hv.o @@ -85,13 +84,15 @@ kvm-book3s_64-objs-$(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 +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 @@ -132,4 +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 12f94bf..ca617e1 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -170,13 +170,14 @@ 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) { @@ -351,6 +352,7 @@ pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn) return gfn_to_pfn(vcpu->kvm, gfn); } +EXPORT_SYMBOL_GPL(kvmppc_gfn_to_pfn); static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data, struct kvmppc_pte *pte) @@ -418,6 +420,7 @@ 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) @@ -448,6 +451,7 @@ nopte: mmio: return EMULATE_DO_MMIO; } +EXPORT_SYMBOL_GPL(kvmppc_ld); int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) { @@ -693,6 +697,7 @@ 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) { @@ -774,6 +779,7 @@ 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) { @@ -825,3 +831,14 @@ int kvmppc_core_check_processor_compat(void) { return kvmppc_ops->check_processor_compat(); } + +EXPORT_SYMBOL_GPL(kvm_get_dirty_log); +EXPORT_SYMBOL_GPL(kvmppc_core_pending_dec); +EXPORT_SYMBOL_GPL(kvmppc_init_lpid); +EXPORT_SYMBOL_GPL(kvmppc_core_dequeue_dec); +EXPORT_SYMBOL_GPL(kvmppc_claim_lpid); +EXPORT_SYMBOL_GPL(kvmppc_alloc_lpid); +EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter); +EXPORT_SYMBOL_GPL(kvmppc_core_queue_dec); +EXPORT_SYMBOL_GPL(kvmppc_free_lpid); + diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c index fd5b393..775d368 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_host.c +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -27,6 +27,7 @@ #include #include #include + #include "trace_pr.h" #define PTE_SIZE 12 diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index b9841ad..20d03c2 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_KVM_BOOK3S_PR 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 eec353d..ff57be8 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -53,6 +53,8 @@ #include #include +#include + /* #define EXIT_DEBUG */ /* #define EXIT_DEBUG_SIMPLE */ /* #define EXIT_DEBUG_INT */ @@ -2104,3 +2106,5 @@ 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 99d0839..df48d89 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -40,6 +40,7 @@ #include #include #include +#include #define CREATE_TRACE_POINTS #include "trace_pr.h" @@ -871,7 +872,7 @@ 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; @@ -1567,3 +1568,5 @@ 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 3219ba8..cf95cde 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/emulate.c b/arch/powerpc/kvm/emulate.c index 81762eb..de9a340 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 00a96fc..3019edc 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) { diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index bf040c4..66df1d2 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -186,6 +186,7 @@ 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) { @@ -1648,6 +1649,7 @@ 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. @@ -1673,6 +1675,7 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) finish_wait(&vcpu->wq, &wait); } +EXPORT_SYMBOL_GPL(kvm_vcpu_block); #ifndef CONFIG_S390 /*