From 7df697c81587114ad4847598dd2d6061b73f1a12 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Mon, 23 Sep 2013 12:05:09 +1000 Subject: KVM: PPC: Disable KVM on little endian builds There are a number of KVM issues with little endian builds. We are working on fixing them, but in the meantime disable it. Signed-off-by: Anton Blanchard Cc: Alexander Graf Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kvm/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc/kvm/Kconfig') diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index ffaef2cb101..e593ff257bd 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -6,6 +6,7 @@ source "virt/kvm/Kconfig" menuconfig VIRTUALIZATION bool "Virtualization" + depends on !CPU_LITTLE_ENDIAN ---help--- Say Y here to get to see options for using your Linux host to run other operating systems inside virtual machines (guests). -- cgit v1.2.3-70-g09d2 From 7aa79938f7d76f5865d0b2a2d9bbe2337560261f Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 7 Oct 2013 22:17:51 +0530 Subject: kvm: powerpc: book3s: pr: Rename KVM_BOOK3S_PR to KVM_BOOK3S_PR_POSSIBLE With later patches supporting PR kvm as a kernel module, the changes that has to be built into the main kernel binary to enable PR KVM module is now selected via KVM_BOOK3S_PR_POSSIBLE Signed-off-by: Aneesh Kumar K.V Signed-off-by: Alexander Graf --- arch/powerpc/include/asm/exception-64s.h | 2 +- arch/powerpc/include/asm/kvm_book3s.h | 4 ++-- arch/powerpc/include/asm/kvm_book3s_64.h | 2 +- arch/powerpc/include/asm/kvm_host.h | 2 +- arch/powerpc/include/asm/paca.h | 2 +- arch/powerpc/kernel/asm-offsets.c | 2 +- arch/powerpc/kernel/exceptions-64s.S | 2 +- arch/powerpc/kvm/Kconfig | 6 +++--- arch/powerpc/kvm/trace.h | 10 +++++----- 9 files changed, 16 insertions(+), 16 deletions(-) (limited to 'arch/powerpc/kvm/Kconfig') diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 402c1c46650..a22c9854a63 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -244,7 +244,7 @@ do_kvm_##n: \ #define KVM_HANDLER_SKIP(area, h, n) #endif -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE #define KVMTEST_PR(n) __KVMTEST(n) #define KVM_HANDLER_PR(area, h, n) __KVM_HANDLER(area, h, n) #define KVM_HANDLER_PR_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n) diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 0ec00f4fef9..5c07d10e3c4 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -304,7 +304,7 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) return vcpu->arch.fault_dar; } -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu) { @@ -339,7 +339,7 @@ static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu) return crit; } -#else /* CONFIG_KVM_BOOK3S_PR */ +#else /* CONFIG_KVM_BOOK3S_PR_POSSIBLE */ static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu) { diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 86d638a3b35..e6ee7fd32d1 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -20,7 +20,7 @@ #ifndef __ASM_KVM_BOOK3S_64_H__ #define __ASM_KVM_BOOK3S_64_H__ -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE static inline struct kvmppc_book3s_shadow_vcpu *svcpu_get(struct kvm_vcpu *vcpu) { preempt_disable(); diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 4959ff1b537..9e9f689106e 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -257,7 +257,7 @@ struct kvm_arch { struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; int hpt_cma_alloc; #endif /* CONFIG_KVM_BOOK3S_64_HV */ -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE struct mutex hpt_mutex; #endif #ifdef CONFIG_PPC_BOOK3S_64 diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index a5954cebbc5..b6ea9e068c1 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -166,7 +166,7 @@ struct paca_struct { struct dtl_entry *dtl_curr; /* pointer corresponding to dtl_ridx */ #ifdef CONFIG_KVM_BOOK3S_HANDLER -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE /* We use this to store guest state in */ struct kvmppc_book3s_shadow_vcpu shadow_vcpu; #endif diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 95ba8095fc4..29796559c2f 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -533,7 +533,7 @@ int main(void) DEFINE(VCPU_SLB_SIZE, sizeof(struct kvmppc_slb)); #ifdef CONFIG_PPC_BOOK3S_64 -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE DEFINE(PACA_SVCPU, offsetof(struct paca_struct, shadow_vcpu)); # define SVCPU_FIELD(x, f) DEFINE(x, offsetof(struct paca_struct, shadow_vcpu.f)) #else diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 2a273bed1ec..3d1c42b03c8 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -425,7 +425,7 @@ data_access_check_stab: mfspr r9,SPRN_DSISR srdi r10,r10,60 rlwimi r10,r9,16,0x20 -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE lbz r9,HSTATE_IN_GUEST(r13) rlwimi r10,r9,8,0x300 #endif diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index ffaef2cb101..d0665f231e6 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -34,7 +34,7 @@ config KVM_BOOK3S_64_HANDLER bool select KVM_BOOK3S_HANDLER -config KVM_BOOK3S_PR +config KVM_BOOK3S_PR_POSSIBLE bool select KVM_MMIO select MMU_NOTIFIER @@ -44,7 +44,7 @@ config KVM_BOOK3S_32 depends on PPC_BOOK3S_32 && !SMP && !PTE_64BIT select KVM select KVM_BOOK3S_32_HANDLER - select KVM_BOOK3S_PR + select KVM_BOOK3S_PR_POSSIBLE ---help--- Support running unmodified book3s_32 guest kernels in virtual machines on book3s_32 host processors. @@ -91,7 +91,7 @@ config KVM_BOOK3S_64_HV config KVM_BOOK3S_64_PR def_bool y depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV - select KVM_BOOK3S_PR + select KVM_BOOK3S_PR_POSSIBLE config KVM_BOOKE_HV bool diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h index a088e9a8c10..9e8368edf37 100644 --- a/arch/powerpc/kvm/trace.h +++ b/arch/powerpc/kvm/trace.h @@ -94,7 +94,7 @@ TRACE_EVENT(kvm_exit, __field( unsigned long, pc ) __field( unsigned long, msr ) __field( unsigned long, dar ) -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE __field( unsigned long, srr1 ) #endif __field( unsigned long, last_inst ) @@ -105,7 +105,7 @@ TRACE_EVENT(kvm_exit, __entry->pc = kvmppc_get_pc(vcpu); __entry->dar = kvmppc_get_fault_dar(vcpu); __entry->msr = vcpu->arch.shared->msr; -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE __entry->srr1 = vcpu->arch.shadow_srr1; #endif __entry->last_inst = vcpu->arch.last_inst; @@ -115,7 +115,7 @@ TRACE_EVENT(kvm_exit, " | pc=0x%lx" " | msr=0x%lx" " | dar=0x%lx" -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE " | srr1=0x%lx" #endif " | last_inst=0x%lx" @@ -124,7 +124,7 @@ TRACE_EVENT(kvm_exit, __entry->pc, __entry->msr, __entry->dar, -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE __entry->srr1, #endif __entry->last_inst @@ -236,7 +236,7 @@ TRACE_EVENT(kvm_check_requests, * Book3S trace points * *************************************************************************/ -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE TRACE_EVENT(kvm_book3s_reenter, TP_PROTO(int r, struct kvm_vcpu *vcpu), -- cgit v1.2.3-70-g09d2 From 9975f5e3692d320b4259a4d2edd8a979adb1e535 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 7 Oct 2013 22:17:52 +0530 Subject: kvm: powerpc: book3s: Add a new config variable CONFIG_KVM_BOOK3S_HV_POSSIBLE This help ups to select the relevant code in the kernel code when we later move HV and PR bits as seperate modules. The patch also makes the config options for PR KVM selectable Signed-off-by: Aneesh Kumar K.V Signed-off-by: Alexander Graf --- arch/powerpc/include/asm/kvm_book3s.h | 2 -- arch/powerpc/include/asm/kvm_book3s_64.h | 6 +++--- arch/powerpc/include/asm/kvm_book3s_asm.h | 2 +- arch/powerpc/include/asm/kvm_host.h | 10 +++++----- arch/powerpc/include/asm/kvm_ppc.h | 2 +- arch/powerpc/kernel/asm-offsets.c | 8 ++++---- arch/powerpc/kernel/idle_power7.S | 2 +- arch/powerpc/kvm/Kconfig | 18 +++++++++++++++++- arch/powerpc/kvm/Makefile | 12 ++++++++---- arch/powerpc/kvm/book3s_exports.c | 5 +++-- 10 files changed, 43 insertions(+), 24 deletions(-) (limited to 'arch/powerpc/kvm/Kconfig') diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 5c07d10e3c4..99ef8711e90 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -199,8 +199,6 @@ static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) return vcpu->arch.book3s; } -extern void kvm_return_point(void); - /* Also add subarch specific defines */ #ifdef CONFIG_KVM_BOOK3S_32_HANDLER diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index e6ee7fd32d1..bf0fa8b0a88 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -35,7 +35,7 @@ static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) #define SPAPR_TCE_SHIFT 12 -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE #define KVM_DEFAULT_HPT_ORDER 24 /* 16MB HPT by default */ extern unsigned long kvm_rma_pages; #endif @@ -278,7 +278,7 @@ static inline int is_vrma_hpte(unsigned long hpte_v) (HPTE_V_1TB_SEG | (VRMA_VSID << (40 - 16))); } -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE /* * Note modification of an HPTE; set the HPTE modified bit * if anyone is interested. @@ -289,6 +289,6 @@ static inline void note_hpte_modification(struct kvm *kvm, if (atomic_read(&kvm->arch.hpte_mod_interest)) rev->guest_rpte |= HPTE_GR_MODIFIED; } -#endif /* CONFIG_KVM_BOOK3S_64_HV */ +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ #endif /* __ASM_KVM_BOOK3S_64_H__ */ diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index 62737113c2b..0bd9348a4db 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -83,7 +83,7 @@ struct kvmppc_host_state { u8 restore_hid5; u8 napping; -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE u8 hwthread_req; u8 hwthread_state; u8 host_ipi; diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 9e9f689106e..61ce4dca45d 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -224,15 +224,15 @@ struct revmap_entry { #define KVMPPC_GOT_PAGE 0x80 struct kvm_arch_memory_slot { -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE unsigned long *rmap; unsigned long *slot_phys; -#endif /* CONFIG_KVM_BOOK3S_64_HV */ +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ }; struct kvm_arch { unsigned int lpid; -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE unsigned long hpt_virt; struct revmap_entry *revmap; unsigned int host_lpid; @@ -256,7 +256,7 @@ struct kvm_arch { cpumask_t need_tlb_flush; struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; int hpt_cma_alloc; -#endif /* CONFIG_KVM_BOOK3S_64_HV */ +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE struct mutex hpt_mutex; #endif @@ -592,7 +592,7 @@ struct kvm_vcpu_arch { struct kvmppc_icp *icp; /* XICS presentation controller */ #endif -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE struct kvm_vcpu_arch_shared shregs; unsigned long pgfault_addr; diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index b15554a26c2..1823f38906c 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -260,7 +260,7 @@ void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); struct openpic; -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE extern void kvm_cma_reserve(void) __init; static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) { diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 29796559c2f..1fbb2b63195 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -445,7 +445,7 @@ int main(void) DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr)); DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr)); DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc)); -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.shregs.msr)); DEFINE(VCPU_SRR0, offsetof(struct kvm_vcpu, arch.shregs.srr0)); DEFINE(VCPU_SRR1, offsetof(struct kvm_vcpu, arch.shregs.srr1)); @@ -476,7 +476,7 @@ int main(void) DEFINE(KVM_LPID, offsetof(struct kvm, arch.lpid)); /* book3s */ -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE DEFINE(KVM_SDR1, offsetof(struct kvm, arch.sdr1)); DEFINE(KVM_HOST_LPID, offsetof(struct kvm, arch.host_lpid)); DEFINE(KVM_HOST_LPCR, offsetof(struct kvm, arch.host_lpcr)); @@ -586,7 +586,7 @@ int main(void) HSTATE_FIELD(HSTATE_RESTORE_HID5, restore_hid5); HSTATE_FIELD(HSTATE_NAPPING, napping); -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE HSTATE_FIELD(HSTATE_HWTHREAD_REQ, hwthread_req); HSTATE_FIELD(HSTATE_HWTHREAD_STATE, hwthread_state); HSTATE_FIELD(HSTATE_KVM_VCPU, kvm_vcpu); @@ -602,7 +602,7 @@ int main(void) HSTATE_FIELD(HSTATE_DABR, dabr); HSTATE_FIELD(HSTATE_DECEXP, dec_expires); DEFINE(IPI_PRIORITY, IPI_PRIORITY); -#endif /* CONFIG_KVM_BOOK3S_64_HV */ +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ #ifdef CONFIG_PPC_BOOK3S_64 HSTATE_FIELD(HSTATE_CFAR, cfar); diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S index e11863f4e59..847e40e62fc 100644 --- a/arch/powerpc/kernel/idle_power7.S +++ b/arch/powerpc/kernel/idle_power7.S @@ -84,7 +84,7 @@ _GLOBAL(power7_nap) std r9,_MSR(r1) std r1,PACAR1(r13) -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE /* Tell KVM we're napping */ li r4,KVM_HWTHREAD_IN_NAP stb r4,HSTATE_HWTHREAD_STATE(r13) diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index d0665f231e6..a96d7c32f78 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -39,6 +39,9 @@ config KVM_BOOK3S_PR_POSSIBLE select KVM_MMIO select MMU_NOTIFIER +config KVM_BOOK3S_HV_POSSIBLE + bool + config KVM_BOOK3S_32 tristate "KVM support for PowerPC book3s_32 processors" depends on PPC_BOOK3S_32 && !SMP && !PTE_64BIT @@ -59,6 +62,7 @@ config KVM_BOOK3S_64 depends on PPC_BOOK3S_64 select KVM_BOOK3S_64_HANDLER select KVM + select KVM_BOOK3S_PR_POSSIBLE if !KVM_BOOK3S_HV_POSSIBLE ---help--- Support running unmodified book3s_64 and book3s_32 guest kernels in virtual machines on book3s_64 host processors. @@ -71,6 +75,7 @@ config KVM_BOOK3S_64 config KVM_BOOK3S_64_HV bool "KVM support for POWER7 and PPC970 using hypervisor mode in host" depends on KVM_BOOK3S_64 + select KVM_BOOK3S_HV_POSSIBLE select MMU_NOTIFIER select CMA ---help--- @@ -89,9 +94,20 @@ config KVM_BOOK3S_64_HV If unsure, say N. config KVM_BOOK3S_64_PR - def_bool y + bool "KVM support without using hypervisor mode in host" depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV select KVM_BOOK3S_PR_POSSIBLE + ---help--- + Support running guest kernels in virtual machines on processors + without using hypervisor mode in the host, by running the + guest in user mode (problem state) and emulating all + privileged instructions and registers. + + This is not as fast as using hypervisor mode, but works on + machines where hypervisor mode is not available or not usable, + and can emulate processors that are different from the host + processor, including emulating 32-bit processors on a 64-bit + host. config KVM_BOOKE_HV bool diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index 104e8dcf433..fa17b337bb9 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -57,7 +57,6 @@ kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) := \ book3s_64_vio_hv.o kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_PR) := \ - $(KVM)/coalesced_mmio.o \ fpu.o \ book3s_paired_singles.o \ book3s_pr.o \ @@ -69,10 +68,15 @@ kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_PR) := \ book3s_64_mmu.o \ book3s_32_mmu.o -kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_PR) += \ +ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE +kvm-book3s_64-module-objs := \ + $(KVM)/coalesced_mmio.o + +kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) += \ book3s_rmhandlers.o +endif -kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_HV) := \ +kvm-book3s_64-objs-$(CONFIG_KVM_BOOK3S_64_HV) += \ book3s_hv.o \ book3s_hv_interrupts.o \ book3s_64_mmu_hv.o @@ -91,7 +95,7 @@ kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HV) += \ kvm-book3s_64-objs-$(CONFIG_KVM_XICS) += \ book3s_xics.o -kvm-book3s_64-module-objs := \ +kvm-book3s_64-module-objs += \ $(KVM)/kvm_main.o \ $(KVM)/eventfd.o \ powerpc.o \ diff --git a/arch/powerpc/kvm/book3s_exports.c b/arch/powerpc/kvm/book3s_exports.c index 7057a02f090..852989a9bad 100644 --- a/arch/powerpc/kvm/book3s_exports.c +++ b/arch/powerpc/kvm/book3s_exports.c @@ -20,9 +20,10 @@ #include #include -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE EXPORT_SYMBOL_GPL(kvmppc_hv_entry_trampoline); -#else +#endif +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE EXPORT_SYMBOL_GPL(kvmppc_entry_trampoline); EXPORT_SYMBOL_GPL(kvmppc_load_up_fpu); #ifdef CONFIG_ALTIVEC -- cgit v1.2.3-70-g09d2 From 2ba9f0d8875073a2ed802fca0c25c9bfc4338439 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 7 Oct 2013 22:17:59 +0530 Subject: 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(-) (limited to 'arch/powerpc/kvm/Kconfig') diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index a96d7c32f78..8aeeda1ff42 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 fa17b337bb9..ce569b6bf4d 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 493aff77f84..39d2994f9d2 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 b9841ad844f..99d40f8977e 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 0782c8688c8..9e954a81c07 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 ca6c73d2ee7..7f583a48216 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 3219ba89524..cf95cdef73c 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 cef3de96ff6..c3c832b27ee 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 81762eb7957..de9a340d22e 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 874a2a5e6ce..9aaa07efa4b 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 d469114aff0..94c6e3f6f24 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 /* -- cgit v1.2.3-70-g09d2