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

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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>
This commit is contained in:
Aneesh Kumar K.V 2013-10-07 22:17:59 +05:30 committed by Alexander Graf
parent dba291f2ce
commit 2ba9f0d887
11 changed files with 46 additions and 9 deletions
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6
arch/powerpc/kvm/Kconfig
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@ -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

11
arch/powerpc/kvm/Makefile
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@ -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)

12
arch/powerpc/kvm/book3s.c
View File

@ -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)
{

2
arch/powerpc/kvm/book3s_emulate.c
View File

@ -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 */

2
arch/powerpc/kvm/book3s_hv.c
View File

@ -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");

5
arch/powerpc/kvm/book3s_pr.c
View File

@ -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");

1
arch/powerpc/kvm/book3s_rtas.c
View File

@ -260,6 +260,7 @@ fail:
*/
return rc;
}
EXPORT_SYMBOL_GPL(kvmppc_rtas_hcall);
void kvmppc_rtas_tokens_free(struct kvm *kvm)
{

1
arch/powerpc/kvm/book3s_xics.c
View File

@ -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. -- */

1
arch/powerpc/kvm/emulate.c
View File

@ -483,3 +483,4 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
return emulated;
}
EXPORT_SYMBOL_GPL(kvmppc_emulate_instruction);

10
arch/powerpc/kvm/powerpc.c
View File

@ -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)
{

4
virt/kvm/kvm_main.c
View File

@ -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
/*