kvm: powerpc: book3s: Support building HV and PR KVM as module

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: squash in compile fix]
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index a96d7c3..8aeeda1 100644 (file)
--- 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 fa17b33..ce569b6 100644 (file)
--- 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 493aff7..39d2994 100644 (file)
--- 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 b9841ad..99d40f8 100644 (file)
--- 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 0782c86..9e954a8 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -52,6 +52,7 @@
 #include <linux/vmalloc.h>
 #include <linux/highmem.h>
 #include <linux/hugetlb.h>
+#include <linux/module.h>
 
 #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 ca6c73d..7f583a4 100644 (file)
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -40,6 +40,7 @@
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
 #include <linux/highmem.h>
+#include <linux/module.h>
 
 #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 3219ba8..cf95cde 100644 (file)
--- 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 cef3de9..c3c832b 100644 (file)
--- 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 81762eb..de9a340 100644 (file)
--- 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 874a2a5..9aaa07e 100644 (file)
--- 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 d469114..94c6e3f 100644 (file)
--- 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
 /*