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Commit 3a167bea authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Alexander Graf
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kvm: powerpc: Add kvmppc_ops callback 

This patch add a new callback kvmppc_ops. This will help us in enabling
both HV and PR KVM together in the same kernel. The actual change to
enable them together is done in the later patch in the series.
Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: squash in booke changes]
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 9975f5e3
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Inline Side-by-side
Showing with 748 additions and 287 deletions
arch/powerpc/include/asm/kvm_book3s.h
View file @ 3a167bea
...@@ -124,7 +124,6 @@ extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask) ...@@ -124,7 +124,6 @@ extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask)
extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end); extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end);
extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
extern void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr);
extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu);
......
arch/powerpc/include/asm/kvm_ppc.h
View file @ 3a167bea
...@@ -106,13 +106,6 @@ extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, ...@@ -106,13 +106,6 @@ extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
struct kvm_interrupt *irq); struct kvm_interrupt *irq);
extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu); extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu);
extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu); extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int op, int *advance);
extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn,
ulong val);
extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn,
ulong *val);
extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu); extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu);
extern int kvmppc_booke_init(void); extern int kvmppc_booke_init(void);
...@@ -135,8 +128,6 @@ extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, ...@@ -135,8 +128,6 @@ extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
struct kvm_create_spapr_tce *args); struct kvm_create_spapr_tce *args);
extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
unsigned long ioba, unsigned long tce); unsigned long ioba, unsigned long tce);
extern long kvm_vm_ioctl_allocate_rma(struct kvm *kvm,
struct kvm_allocate_rma *rma);
extern struct kvm_rma_info *kvm_alloc_rma(void); extern struct kvm_rma_info *kvm_alloc_rma(void);
extern void kvm_release_rma(struct kvm_rma_info *ri); extern void kvm_release_rma(struct kvm_rma_info *ri);
extern struct page *kvm_alloc_hpt(unsigned long nr_pages); extern struct page *kvm_alloc_hpt(unsigned long nr_pages);
...@@ -177,6 +168,66 @@ extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server, ...@@ -177,6 +168,66 @@ extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server,
extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq); extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq);
extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq); extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq);
union kvmppc_one_reg {
u32 wval;
u64 dval;
vector128 vval;
u64 vsxval[2];
struct {
u64 addr;
u64 length;
} vpaval;
};
struct kvmppc_ops {
int (*get_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
int (*set_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
int (*get_one_reg)(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val);
int (*set_one_reg)(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val);
void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
void (*vcpu_put)(struct kvm_vcpu *vcpu);
void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr);
int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned int id);
void (*vcpu_free)(struct kvm_vcpu *vcpu);
int (*check_requests)(struct kvm_vcpu *vcpu);
int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log);
void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot);
int (*prepare_memory_region)(struct kvm *kvm,
struct kvm_memory_slot *memslot,
struct kvm_userspace_memory_region *mem);
void (*commit_memory_region)(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old);
int (*unmap_hva)(struct kvm *kvm, unsigned long hva);
int (*unmap_hva_range)(struct kvm *kvm, unsigned long start,
unsigned long end);
int (*age_hva)(struct kvm *kvm, unsigned long hva);
int (*test_age_hva)(struct kvm *kvm, unsigned long hva);
void (*set_spte_hva)(struct kvm *kvm, unsigned long hva, pte_t pte);
void (*mmu_destroy)(struct kvm_vcpu *vcpu);
void (*free_memslot)(struct kvm_memory_slot *free,
struct kvm_memory_slot *dont);
int (*create_memslot)(struct kvm_memory_slot *slot,
unsigned long npages);
int (*init_vm)(struct kvm *kvm);
void (*destroy_vm)(struct kvm *kvm);
int (*check_processor_compat)(void);
int (*get_smmu_info)(struct kvm *kvm, struct kvm_ppc_smmu_info *info);
int (*emulate_op)(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu);
long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl,
unsigned long arg);
};
extern struct kvmppc_ops *kvmppc_ops;
/* /*
* Cuts out inst bits with ordering according to spec. * Cuts out inst bits with ordering according to spec.
* That means the leftmost bit is zero. All given bits are included. * That means the leftmost bit is zero. All given bits are included.
...@@ -210,17 +261,6 @@ static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) ...@@ -210,17 +261,6 @@ static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
return r; return r;
} }
union kvmppc_one_reg {
u32 wval;
u64 dval;
vector128 vval;
u64 vsxval[2];
struct {
u64 addr;
u64 length;
} vpaval;
};
#define one_reg_size(id) \ #define one_reg_size(id) \
(1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) (1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
...@@ -245,10 +285,10 @@ union kvmppc_one_reg { ...@@ -245,10 +285,10 @@ union kvmppc_one_reg {
__v; \ __v; \
}) })
void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg); int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
...@@ -281,7 +321,10 @@ static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi) ...@@ -281,7 +321,10 @@ static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
paca[cpu].kvm_hstate.host_ipi = host_ipi; paca[cpu].kvm_hstate.host_ipi = host_ipi;
} }
extern void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu); static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
{
kvmppc_ops->fast_vcpu_kick(vcpu);
}
#else #else
static inline void __init kvm_cma_reserve(void) static inline void __init kvm_cma_reserve(void)
......
arch/powerpc/kernel/exceptions-64s.S
View file @ 3a167bea
...@@ -126,7 +126,7 @@ BEGIN_FTR_SECTION ...@@ -126,7 +126,7 @@ BEGIN_FTR_SECTION
bgt cr1,. bgt cr1,.
GET_PACA(r13) GET_PACA(r13)
#ifdef CONFIG_KVM_BOOK3S_64_HV #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
li r0,KVM_HWTHREAD_IN_KERNEL li r0,KVM_HWTHREAD_IN_KERNEL
stb r0,HSTATE_HWTHREAD_STATE(r13) stb r0,HSTATE_HWTHREAD_STATE(r13)
/* Order setting hwthread_state vs. testing hwthread_req */ /* Order setting hwthread_state vs. testing hwthread_req */
......
arch/powerpc/kvm/44x.c
View file @ 3a167bea
...@@ -31,13 +31,13 @@ ...@@ -31,13 +31,13 @@
#include "44x_tlb.h" #include "44x_tlb.h"
#include "booke.h" #include "booke.h"
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) static void kvmppc_core_vcpu_load_44x(struct kvm_vcpu *vcpu, int cpu)
{ {
kvmppc_booke_vcpu_load(vcpu, cpu); kvmppc_booke_vcpu_load(vcpu, cpu);
kvmppc_44x_tlb_load(vcpu); kvmppc_44x_tlb_load(vcpu);
} }
void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_put_44x(struct kvm_vcpu *vcpu)
{ {
kvmppc_44x_tlb_put(vcpu); kvmppc_44x_tlb_put(vcpu);
kvmppc_booke_vcpu_put(vcpu); kvmppc_booke_vcpu_put(vcpu);
...@@ -114,29 +114,32 @@ int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, ...@@ -114,29 +114,32 @@ int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
return 0; return 0;
} }
void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) static int kvmppc_core_get_sregs_44x(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{ {
kvmppc_get_sregs_ivor(vcpu, sregs); return kvmppc_get_sregs_ivor(vcpu, sregs);
} }
int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) static int kvmppc_core_set_sregs_44x(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{ {
return kvmppc_set_sregs_ivor(vcpu, sregs); return kvmppc_set_sregs_ivor(vcpu, sregs);
} }
int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, static int kvmppc_get_one_reg_44x(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val) union kvmppc_one_reg *val)
{ {
return -EINVAL; return -EINVAL;
} }
int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, static int kvmppc_set_one_reg_44x(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val) union kvmppc_one_reg *val)
{ {
return -EINVAL; return -EINVAL;
} }
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) static struct kvm_vcpu *kvmppc_core_vcpu_create_44x(struct kvm *kvm,
unsigned int id)
{ {
struct kvmppc_vcpu_44x *vcpu_44x; struct kvmppc_vcpu_44x *vcpu_44x;
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
...@@ -167,7 +170,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) ...@@ -167,7 +170,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
return ERR_PTR(err); return ERR_PTR(err);
} }
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_free_44x(struct kvm_vcpu *vcpu)
{ {
struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
...@@ -176,24 +179,46 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) ...@@ -176,24 +179,46 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
kmem_cache_free(kvm_vcpu_cache, vcpu_44x); kmem_cache_free(kvm_vcpu_cache, vcpu_44x);
} }
int kvmppc_core_init_vm(struct kvm *kvm) static int kvmppc_core_init_vm_44x(struct kvm *kvm)
{ {
return 0; return 0;
} }
void kvmppc_core_destroy_vm(struct kvm *kvm) static void kvmppc_core_destroy_vm_44x(struct kvm *kvm)
{ {
} }
static struct kvmppc_ops kvm_ops_44x = {
.get_sregs = kvmppc_core_get_sregs_44x,
.set_sregs = kvmppc_core_set_sregs_44x,
.get_one_reg = kvmppc_get_one_reg_44x,
.set_one_reg = kvmppc_set_one_reg_44x,
.vcpu_load = kvmppc_core_vcpu_load_44x,
.vcpu_put = kvmppc_core_vcpu_put_44x,
.vcpu_create = kvmppc_core_vcpu_create_44x,
.vcpu_free = kvmppc_core_vcpu_free_44x,
.mmu_destroy = kvmppc_mmu_destroy_44x,
.init_vm = kvmppc_core_init_vm_44x,
.destroy_vm = kvmppc_core_destroy_vm_44x,
.emulate_op = kvmppc_core_emulate_op_44x,
.emulate_mtspr = kvmppc_core_emulate_mtspr_44x,
.emulate_mfspr = kvmppc_core_emulate_mfspr_44x,
};
static int __init kvmppc_44x_init(void) static int __init kvmppc_44x_init(void)
{ {
int r; int r;
r = kvmppc_booke_init(); r = kvmppc_booke_init();
if (r) if (r)
return r; goto err_out;
return kvm_init(NULL, sizeof(struct kvmppc_vcpu_44x), 0, THIS_MODULE); r = kvm_init(&kvm_ops_44x, sizeof(struct kvmppc_vcpu_44x),
0, THIS_MODULE);
if (r)
goto err_out;
err_out:
return r;
} }
static void __exit kvmppc_44x_exit(void) static void __exit kvmppc_44x_exit(void)
......
arch/powerpc/kvm/44x_emulate.c
View file @ 3a167bea
...@@ -91,8 +91,8 @@ static int emulate_mfdcr(struct kvm_vcpu *vcpu, int rt, int dcrn) ...@@ -91,8 +91,8 @@ static int emulate_mfdcr(struct kvm_vcpu *vcpu, int rt, int dcrn)
return EMULATE_DONE; return EMULATE_DONE;
} }
int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, int kvmppc_core_emulate_op_44x(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance) unsigned int inst, int *advance)
{ {
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
int dcrn = get_dcrn(inst); int dcrn = get_dcrn(inst);
...@@ -152,7 +152,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, ...@@ -152,7 +152,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
return emulated; return emulated;
} }
int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) int kvmppc_core_emulate_mtspr_44x(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
{ {
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
...@@ -172,7 +172,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) ...@@ -172,7 +172,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
return emulated; return emulated;
} }
int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) int kvmppc_core_emulate_mfspr_44x(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
{ {
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
......
arch/powerpc/kvm/44x_tlb.c
View file @ 3a167bea
...@@ -268,7 +268,7 @@ static void kvmppc_44x_shadow_release(struct kvmppc_vcpu_44x *vcpu_44x, ...@@ -268,7 +268,7 @@ static void kvmppc_44x_shadow_release(struct kvmppc_vcpu_44x *vcpu_44x,
trace_kvm_stlb_inval(stlb_index); trace_kvm_stlb_inval(stlb_index);
} }
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu) void kvmppc_mmu_destroy_44x(struct kvm_vcpu *vcpu)
{ {
struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
int i; int i;
......
arch/powerpc/kvm/book3s.c
View file @ 3a167bea
...@@ -422,6 +422,18 @@ void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu) ...@@ -422,6 +422,18 @@ void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu)
{ {
} }
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
return kvmppc_ops->get_sregs(vcpu, sregs);
}
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
return kvmppc_ops->set_sregs(vcpu, sregs);
}
int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{ {
int i; int i;
...@@ -498,8 +510,7 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) ...@@ -498,8 +510,7 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
if (size > sizeof(val)) if (size > sizeof(val))
return -EINVAL; return -EINVAL;
r = kvmppc_get_one_reg(vcpu, reg->id, &val); r = kvmppc_ops->get_one_reg(vcpu, reg->id, &val);
if (r == -EINVAL) { if (r == -EINVAL) {
r = 0; r = 0;
switch (reg->id) { switch (reg->id) {
...@@ -578,8 +589,7 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) ...@@ -578,8 +589,7 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
if (copy_from_user(&val, (char __user *)(unsigned long)reg->addr, size)) if (copy_from_user(&val, (char __user *)(unsigned long)reg->addr, size))
return -EFAULT; return -EFAULT;
r = kvmppc_set_one_reg(vcpu, reg->id, &val); r = kvmppc_ops->set_one_reg(vcpu, reg->id, &val);
if (r == -EINVAL) { if (r == -EINVAL) {
r = 0; r = 0;
switch (reg->id) { switch (reg->id) {
...@@ -638,6 +648,26 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) ...@@ -638,6 +648,26 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
return r; return r;
} }
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
kvmppc_ops->vcpu_load(vcpu, cpu);
}
void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
{
kvmppc_ops->vcpu_put(vcpu);
}
void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
{
kvmppc_ops->set_msr(vcpu, msr);
}
int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
{
return kvmppc_ops->vcpu_run(kvm_run, vcpu);
}
int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
struct kvm_translation *tr) struct kvm_translation *tr)
{ {
...@@ -657,3 +687,110 @@ void kvmppc_decrementer_func(unsigned long data) ...@@ -657,3 +687,110 @@ void kvmppc_decrementer_func(unsigned long data)
kvmppc_core_queue_dec(vcpu); kvmppc_core_queue_dec(vcpu);
kvm_vcpu_kick(vcpu); kvm_vcpu_kick(vcpu);
} }
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
{
return kvmppc_ops->vcpu_create(kvm, id);
}
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
{
kvmppc_ops->vcpu_free(vcpu);
}
int kvmppc_core_check_requests(struct kvm_vcpu *vcpu)
{
return kvmppc_ops->check_requests(vcpu);
}
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)
{
return kvmppc_ops->get_dirty_log(kvm, log);
}
void kvmppc_core_free_memslot(struct kvm_memory_slot *free,
struct kvm_memory_slot *dont)
{
kvmppc_ops->free_memslot(free, dont);
}
int kvmppc_core_create_memslot(struct kvm_memory_slot *slot,
unsigned long npages)
{
return kvmppc_ops->create_memslot(slot, npages);
}
void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot)
{
kvmppc_ops->flush_memslot(kvm, memslot);
}
int kvmppc_core_prepare_memory_region(struct kvm *kvm,
struct kvm_memory_slot *memslot,
struct kvm_userspace_memory_region *mem)
{
return kvmppc_ops->prepare_memory_region(kvm, memslot, mem);
}
void kvmppc_core_commit_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old)
{
kvmppc_ops->commit_memory_region(kvm, mem, old);
}
int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
{
return kvmppc_ops->unmap_hva(kvm, hva);
}
int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
{
return kvmppc_ops->unmap_hva_range(kvm, start, end);
}
int kvm_age_hva(struct kvm *kvm, unsigned long hva)
{
return kvmppc_ops->age_hva(kvm, hva);
}
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
{
return kvmppc_ops->test_age_hva(kvm, hva);
}
void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
{
kvmppc_ops->set_spte_hva(kvm, hva, pte);
}
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
{
kvmppc_ops->mmu_destroy(vcpu);
}
int kvmppc_core_init_vm(struct kvm *kvm)
{
#ifdef CONFIG_PPC64
INIT_LIST_HEAD(&kvm->arch.spapr_tce_tables);
INIT_LIST_HEAD(&kvm->arch.rtas_tokens);
#endif
return kvmppc_ops->init_vm(kvm);
}
void kvmppc_core_destroy_vm(struct kvm *kvm)
{
kvmppc_ops->destroy_vm(kvm);
#ifdef CONFIG_PPC64
kvmppc_rtas_tokens_free(kvm);
WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables));
#endif
}
int kvmppc_core_check_processor_compat(void)
{
return kvmppc_ops->check_processor_compat();
}
arch/powerpc/kvm/book3s.h 0 → 100644
View file @ 3a167bea
/*
* Copyright IBM Corporation, 2013
* Author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License or (at your optional) any later version of the license.
*
*/
#ifndef __POWERPC_KVM_BOOK3S_H__
#define __POWERPC_KVM_BOOK3S_H__
extern void kvmppc_core_flush_memslot_hv(struct kvm *kvm,
struct kvm_memory_slot *memslot);
extern int kvm_unmap_hva_hv(struct kvm *kvm, unsigned long hva);
extern int kvm_unmap_hva_range_hv(struct kvm *kvm, unsigned long start,
unsigned long end);
extern int kvm_age_hva_hv(struct kvm *kvm, unsigned long hva);
extern int kvm_test_age_hva_hv(struct kvm *kvm, unsigned long hva);
extern void kvm_set_spte_hva_hv(struct kvm *kvm, unsigned long hva, pte_t pte);
extern void kvmppc_mmu_destroy_pr(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_pr(struct kvm_vcpu *vcpu,
int sprn, ulong spr_val);
extern int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu,
int sprn, ulong *spr_val);
#endif
arch/powerpc/kvm/book3s_32_mmu_host.c
View file @ 3a167bea
...@@ -349,7 +349,7 @@ void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu) ...@@ -349,7 +349,7 @@ void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu)
svcpu_put(svcpu); svcpu_put(svcpu);
} }
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu) void kvmppc_mmu_destroy_pr(struct kvm_vcpu *vcpu)
{ {
int i; int i;
......
arch/powerpc/kvm/book3s_64_mmu_host.c
View file @ 3a167bea
...@@ -378,7 +378,7 @@ void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu) ...@@ -378,7 +378,7 @@ void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu)
svcpu_put(svcpu); svcpu_put(svcpu);
} }
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu) void kvmppc_mmu_destroy_pr(struct kvm_vcpu *vcpu)
{ {
kvmppc_mmu_hpte_destroy(vcpu); kvmppc_mmu_hpte_destroy(vcpu);
__destroy_context(to_book3s(vcpu)->context_id[0]); __destroy_context(to_book3s(vcpu)->context_id[0]);
......
arch/powerpc/kvm/book3s_64_mmu_hv.c
View file @ 3a167bea
...@@ -260,10 +260,6 @@ int kvmppc_mmu_hv_init(void) ...@@ -260,10 +260,6 @@ int kvmppc_mmu_hv_init(void)
return 0; return 0;
} }
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
{
}
static void kvmppc_mmu_book3s_64_hv_reset_msr(struct kvm_vcpu *vcpu) static void kvmppc_mmu_book3s_64_hv_reset_msr(struct kvm_vcpu *vcpu)
{ {
kvmppc_set_msr(vcpu, MSR_SF | MSR_ME); kvmppc_set_msr(vcpu, MSR_SF | MSR_ME);
...@@ -906,21 +902,22 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp, ...@@ -906,21 +902,22 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
return 0; return 0;
} }
int kvm_unmap_hva(struct kvm *kvm, unsigned long hva) int kvm_unmap_hva_hv(struct kvm *kvm, unsigned long hva)
{ {
if (kvm->arch.using_mmu_notifiers) if (kvm->arch.using_mmu_notifiers)
kvm_handle_hva(kvm, hva, kvm_unmap_rmapp); kvm_handle_hva(kvm, hva, kvm_unmap_rmapp);
return 0; return 0;
} }
int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) int kvm_unmap_hva_range_hv(struct kvm *kvm, unsigned long start, unsigned long end)
{ {
if (kvm->arch.using_mmu_notifiers) if (kvm->arch.using_mmu_notifiers)
kvm_handle_hva_range(kvm, start, end, kvm_unmap_rmapp); kvm_handle_hva_range(kvm, start, end, kvm_unmap_rmapp);
return 0; return 0;
} }
void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot) void kvmppc_core_flush_memslot_hv(struct kvm *kvm,
struct kvm_memory_slot *memslot)
{ {
unsigned long *rmapp; unsigned long *rmapp;
unsigned long gfn; unsigned long gfn;
...@@ -994,7 +991,7 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp, ...@@ -994,7 +991,7 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
return ret; return ret;
} }
int kvm_age_hva(struct kvm *kvm, unsigned long hva) int kvm_age_hva_hv(struct kvm *kvm, unsigned long hva)
{ {
if (!kvm->arch.using_mmu_notifiers) if (!kvm->arch.using_mmu_notifiers)
return 0; return 0;
...@@ -1032,14 +1029,14 @@ static int kvm_test_age_rmapp(struct kvm *kvm, unsigned long *rmapp, ...@@ -1032,14 +1029,14 @@ static int kvm_test_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
return ret; return ret;
} }
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva) int kvm_test_age_hva_hv(struct kvm *kvm, unsigned long hva)
{ {
if (!kvm->arch.using_mmu_notifiers) if (!kvm->arch.using_mmu_notifiers)
return 0; return 0;
return kvm_handle_hva(kvm, hva, kvm_test_age_rmapp); return kvm_handle_hva(kvm, hva, kvm_test_age_rmapp);
} }
void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte) void kvm_set_spte_hva_hv(struct kvm *kvm, unsigned long hva, pte_t pte)
{ {
if (!kvm->arch.using_mmu_notifiers) if (!kvm->arch.using_mmu_notifiers)
return; return;
......
arch/powerpc/kvm/book3s_emulate.c
View file @ 3a167bea
...@@ -86,8 +86,8 @@ static bool spr_allowed(struct kvm_vcpu *vcpu, enum priv_level level) ...@@ -86,8 +86,8 @@ static bool spr_allowed(struct kvm_vcpu *vcpu, enum priv_level level)
return true; return true;
} }
int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance) unsigned int inst, int *advance)
{ {
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
int rt = get_rt(inst); int rt = get_rt(inst);
...@@ -345,7 +345,7 @@ static struct kvmppc_bat *kvmppc_find_bat(struct kvm_vcpu *vcpu, int sprn) ...@@ -345,7 +345,7 @@ static struct kvmppc_bat *kvmppc_find_bat(struct kvm_vcpu *vcpu, int sprn)
return bat; return bat;
} }
int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) int kvmppc_core_emulate_mtspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
{ {
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
...@@ -468,7 +468,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) ...@@ -468,7 +468,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
return emulated; return emulated;
} }
int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
{ {
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
......
arch/powerpc/kvm/book3s_hv.c
View file @ 3a167bea
...@@ -53,6 +53,8 @@ ...@@ -53,6 +53,8 @@
#include <linux/highmem.h> #include <linux/highmem.h>
#include <linux/hugetlb.h> #include <linux/hugetlb.h>
#include "book3s.h"
/* #define EXIT_DEBUG */ /* #define EXIT_DEBUG */
/* #define EXIT_DEBUG_SIMPLE */ /* #define EXIT_DEBUG_SIMPLE */
/* #define EXIT_DEBUG_INT */ /* #define EXIT_DEBUG_INT */
...@@ -66,7 +68,7 @@ ...@@ -66,7 +68,7 @@
static void kvmppc_end_cede(struct kvm_vcpu *vcpu); static void kvmppc_end_cede(struct kvm_vcpu *vcpu);
static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu); static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu);
void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu)
{ {
int me; int me;
int cpu = vcpu->cpu; int cpu = vcpu->cpu;
...@@ -125,7 +127,7 @@ void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) ...@@ -125,7 +127,7 @@ void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
* purely defensive; they should never fail.) * purely defensive; they should never fail.)
*/ */
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) static void kvmppc_core_vcpu_load_hv(struct kvm_vcpu *vcpu, int cpu)
{ {
struct kvmppc_vcore *vc = vcpu->arch.vcore; struct kvmppc_vcore *vc = vcpu->arch.vcore;
...@@ -143,7 +145,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) ...@@ -143,7 +145,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
spin_unlock(&vcpu->arch.tbacct_lock); spin_unlock(&vcpu->arch.tbacct_lock);
} }
void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_put_hv(struct kvm_vcpu *vcpu)
{ {
struct kvmppc_vcore *vc = vcpu->arch.vcore; struct kvmppc_vcore *vc = vcpu->arch.vcore;
...@@ -155,13 +157,13 @@ void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) ...@@ -155,13 +157,13 @@ void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
spin_unlock(&vcpu->arch.tbacct_lock); spin_unlock(&vcpu->arch.tbacct_lock);
} }
void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr) static void kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 msr)
{ {
vcpu->arch.shregs.msr = msr; vcpu->arch.shregs.msr = msr;
kvmppc_end_cede(vcpu); kvmppc_end_cede(vcpu);
} }
void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr) void kvmppc_set_pvr_hv(struct kvm_vcpu *vcpu, u32 pvr)
{ {
vcpu->arch.pvr = pvr; vcpu->arch.pvr = pvr;
} }
...@@ -614,8 +616,8 @@ int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu) ...@@ -614,8 +616,8 @@ int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu)
return RESUME_GUEST; return RESUME_GUEST;
} }
static int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, static int kvmppc_handle_exit_hv(struct kvm_run *run, struct kvm_vcpu *vcpu,
struct task_struct *tsk) struct task_struct *tsk)
{ {
int r = RESUME_HOST; int r = RESUME_HOST;
...@@ -717,8 +719,8 @@ static int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, ...@@ -717,8 +719,8 @@ static int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
return r; return r;
} }
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, static int kvm_arch_vcpu_ioctl_get_sregs_hv(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs) struct kvm_sregs *sregs)
{ {
int i; int i;
...@@ -732,12 +734,12 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, ...@@ -732,12 +734,12 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
return 0; return 0;
} }
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, static int kvm_arch_vcpu_ioctl_set_sregs_hv(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs) struct kvm_sregs *sregs)
{ {
int i, j; int i, j;
kvmppc_set_pvr(vcpu, sregs->pvr); kvmppc_set_pvr_hv(vcpu, sregs->pvr);
j = 0; j = 0;
for (i = 0; i < vcpu->arch.slb_nr; i++) { for (i = 0; i < vcpu->arch.slb_nr; i++) {
...@@ -767,7 +769,8 @@ static void kvmppc_set_lpcr(struct kvm_vcpu *vcpu, u64 new_lpcr) ...@@ -767,7 +769,8 @@ static void kvmppc_set_lpcr(struct kvm_vcpu *vcpu, u64 new_lpcr)
spin_unlock(&vc->lock); spin_unlock(&vc->lock);
} }
int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val)
{ {
int r = 0; int r = 0;
long int i; long int i;
...@@ -866,7 +869,8 @@ int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) ...@@ -866,7 +869,8 @@ int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val)
return r; return r;
} }
int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val)
{ {
int r = 0; int r = 0;
long int i; long int i;
...@@ -979,14 +983,8 @@ int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) ...@@ -979,14 +983,8 @@ int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val)
return r; return r;
} }
int kvmppc_core_check_processor_compat(void) static struct kvm_vcpu *kvmppc_core_vcpu_create_hv(struct kvm *kvm,
{ unsigned int id)
if (cpu_has_feature(CPU_FTR_HVMODE))
return 0;
return -EIO;
}
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
{ {
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
int err = -EINVAL; int err = -EINVAL;
...@@ -1010,8 +1008,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) ...@@ -1010,8 +1008,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
vcpu->arch.mmcr[0] = MMCR0_FC; vcpu->arch.mmcr[0] = MMCR0_FC;
vcpu->arch.ctrl = CTRL_RUNLATCH; vcpu->arch.ctrl = CTRL_RUNLATCH;
/* default to host PVR, since we can't spoof it */ /* default to host PVR, since we can't spoof it */
vcpu->arch.pvr = mfspr(SPRN_PVR); kvmppc_set_pvr_hv(vcpu, mfspr(SPRN_PVR));
kvmppc_set_pvr(vcpu, vcpu->arch.pvr);
spin_lock_init(&vcpu->arch.vpa_update_lock); spin_lock_init(&vcpu->arch.vpa_update_lock);
spin_lock_init(&vcpu->arch.tbacct_lock); spin_lock_init(&vcpu->arch.tbacct_lock);
vcpu->arch.busy_preempt = TB_NIL; vcpu->arch.busy_preempt = TB_NIL;
...@@ -1064,7 +1061,7 @@ static void unpin_vpa(struct kvm *kvm, struct kvmppc_vpa *vpa) ...@@ -1064,7 +1061,7 @@ static void unpin_vpa(struct kvm *kvm, struct kvmppc_vpa *vpa)
vpa->dirty); vpa->dirty);
} }
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_free_hv(struct kvm_vcpu *vcpu)
{ {
spin_lock(&vcpu->arch.vpa_update_lock); spin_lock(&vcpu->arch.vpa_update_lock);
unpin_vpa(vcpu->kvm, &vcpu->arch.dtl); unpin_vpa(vcpu->kvm, &vcpu->arch.dtl);
...@@ -1075,6 +1072,12 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) ...@@ -1075,6 +1072,12 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
kmem_cache_free(kvm_vcpu_cache, vcpu); kmem_cache_free(kvm_vcpu_cache, vcpu);
} }
static int kvmppc_core_check_requests_hv(struct kvm_vcpu *vcpu)
{
/* Indicate we want to get back into the guest */
return 1;
}
static void kvmppc_set_timer(struct kvm_vcpu *vcpu) static void kvmppc_set_timer(struct kvm_vcpu *vcpu)
{ {
unsigned long dec_nsec, now; unsigned long dec_nsec, now;
...@@ -1356,8 +1359,8 @@ static void kvmppc_run_core(struct kvmppc_vcore *vc) ...@@ -1356,8 +1359,8 @@ static void kvmppc_run_core(struct kvmppc_vcore *vc)
ret = RESUME_GUEST; ret = RESUME_GUEST;
if (vcpu->arch.trap) if (vcpu->arch.trap)
ret = kvmppc_handle_exit(vcpu->arch.kvm_run, vcpu, ret = kvmppc_handle_exit_hv(vcpu->arch.kvm_run, vcpu,
vcpu->arch.run_task); vcpu->arch.run_task);
vcpu->arch.ret = ret; vcpu->arch.ret = ret;
vcpu->arch.trap = 0; vcpu->arch.trap = 0;
...@@ -1516,7 +1519,7 @@ static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) ...@@ -1516,7 +1519,7 @@ static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
return vcpu->arch.ret; return vcpu->arch.ret;
} }
int kvmppc_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu) static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu)
{ {
int r; int r;
int srcu_idx; int srcu_idx;
...@@ -1638,7 +1641,8 @@ static const struct file_operations kvm_rma_fops = { ...@@ -1638,7 +1641,8 @@ static const struct file_operations kvm_rma_fops = {
.release = kvm_rma_release, .release = kvm_rma_release,
}; };
long kvm_vm_ioctl_allocate_rma(struct kvm *kvm, struct kvm_allocate_rma *ret) static long kvm_vm_ioctl_allocate_rma(struct kvm *kvm,
struct kvm_allocate_rma *ret)
{ {
long fd; long fd;
struct kvm_rma_info *ri; struct kvm_rma_info *ri;
...@@ -1684,7 +1688,8 @@ static void kvmppc_add_seg_page_size(struct kvm_ppc_one_seg_page_size **sps, ...@@ -1684,7 +1688,8 @@ static void kvmppc_add_seg_page_size(struct kvm_ppc_one_seg_page_size **sps,
(*sps)++; (*sps)++;
} }
int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info) static int kvm_vm_ioctl_get_smmu_info_hv(struct kvm *kvm,
struct kvm_ppc_smmu_info *info)
{ {
struct kvm_ppc_one_seg_page_size *sps; struct kvm_ppc_one_seg_page_size *sps;
...@@ -1705,7 +1710,8 @@ int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info) ...@@ -1705,7 +1710,8 @@ int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info)
/* /*
* Get (and clear) the dirty memory log for a memory slot. * Get (and clear) the dirty memory log for a memory slot.
*/ */
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log) static int kvm_vm_ioctl_get_dirty_log_hv(struct kvm *kvm,
struct kvm_dirty_log *log)
{ {
struct kvm_memory_slot *memslot; struct kvm_memory_slot *memslot;
int r; int r;
...@@ -1759,8 +1765,8 @@ static void unpin_slot(struct kvm_memory_slot *memslot) ...@@ -1759,8 +1765,8 @@ static void unpin_slot(struct kvm_memory_slot *memslot)
} }
} }
void kvmppc_core_free_memslot(struct kvm_memory_slot *free, static void kvmppc_core_free_memslot_hv(struct kvm_memory_slot *free,
struct kvm_memory_slot *dont) struct kvm_memory_slot *dont)
{ {
if (!dont || free->arch.rmap != dont->arch.rmap) { if (!dont || free->arch.rmap != dont->arch.rmap) {
vfree(free->arch.rmap); vfree(free->arch.rmap);
...@@ -1773,8 +1779,8 @@ void kvmppc_core_free_memslot(struct kvm_memory_slot *free, ...@@ -1773,8 +1779,8 @@ void kvmppc_core_free_memslot(struct kvm_memory_slot *free,
} }
} }
int kvmppc_core_create_memslot(struct kvm_memory_slot *slot, static int kvmppc_core_create_memslot_hv(struct kvm_memory_slot *slot,
unsigned long npages) unsigned long npages)
{ {
slot->arch.rmap = vzalloc(npages * sizeof(*slot->arch.rmap)); slot->arch.rmap = vzalloc(npages * sizeof(*slot->arch.rmap));
if (!slot->arch.rmap) if (!slot->arch.rmap)
...@@ -1784,9 +1790,9 @@ int kvmppc_core_create_memslot(struct kvm_memory_slot *slot, ...@@ -1784,9 +1790,9 @@ int kvmppc_core_create_memslot(struct kvm_memory_slot *slot,
return 0; return 0;
} }
int kvmppc_core_prepare_memory_region(struct kvm *kvm, static int kvmppc_core_prepare_memory_region_hv(struct kvm *kvm,
struct kvm_memory_slot *memslot, struct kvm_memory_slot *memslot,
struct kvm_userspace_memory_region *mem) struct kvm_userspace_memory_region *mem)
{ {
unsigned long *phys; unsigned long *phys;
...@@ -1802,9 +1808,9 @@ int kvmppc_core_prepare_memory_region(struct kvm *kvm, ...@@ -1802,9 +1808,9 @@ int kvmppc_core_prepare_memory_region(struct kvm *kvm,
return 0; return 0;
} }
void kvmppc_core_commit_memory_region(struct kvm *kvm, static void kvmppc_core_commit_memory_region_hv(struct kvm *kvm,
struct kvm_userspace_memory_region *mem, struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old) const struct kvm_memory_slot *old)
{ {
unsigned long npages = mem->memory_size >> PAGE_SHIFT; unsigned long npages = mem->memory_size >> PAGE_SHIFT;
struct kvm_memory_slot *memslot; struct kvm_memory_slot *memslot;
...@@ -1847,6 +1853,11 @@ void kvmppc_update_lpcr(struct kvm *kvm, unsigned long lpcr, unsigned long mask) ...@@ -1847,6 +1853,11 @@ void kvmppc_update_lpcr(struct kvm *kvm, unsigned long lpcr, unsigned long mask)
} }
} }
static void kvmppc_mmu_destroy_hv(struct kvm_vcpu *vcpu)
{
return;
}
static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu) static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
{ {
int err = 0; int err = 0;
...@@ -1994,7 +2005,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu) ...@@ -1994,7 +2005,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
goto out_srcu; goto out_srcu;
} }
int kvmppc_core_init_vm(struct kvm *kvm) static int kvmppc_core_init_vm_hv(struct kvm *kvm)
{ {
unsigned long lpcr, lpid; unsigned long lpcr, lpid;
...@@ -2012,9 +2023,6 @@ int kvmppc_core_init_vm(struct kvm *kvm) ...@@ -2012,9 +2023,6 @@ int kvmppc_core_init_vm(struct kvm *kvm)
*/ */
cpumask_setall(&kvm->arch.need_tlb_flush); cpumask_setall(&kvm->arch.need_tlb_flush);
INIT_LIST_HEAD(&kvm->arch.spapr_tce_tables);
INIT_LIST_HEAD(&kvm->arch.rtas_tokens);
kvm->arch.rma = NULL; kvm->arch.rma = NULL;
kvm->arch.host_sdr1 = mfspr(SPRN_SDR1); kvm->arch.host_sdr1 = mfspr(SPRN_SDR1);
...@@ -2059,7 +2067,7 @@ static void kvmppc_free_vcores(struct kvm *kvm) ...@@ -2059,7 +2067,7 @@ static void kvmppc_free_vcores(struct kvm *kvm)
kvm->arch.online_vcores = 0; kvm->arch.online_vcores = 0;
} }
void kvmppc_core_destroy_vm(struct kvm *kvm) static void kvmppc_core_destroy_vm_hv(struct kvm *kvm)
{ {
uninhibit_secondary_onlining(); uninhibit_secondary_onlining();
...@@ -2069,39 +2077,127 @@ void kvmppc_core_destroy_vm(struct kvm *kvm) ...@@ -2069,39 +2077,127 @@ void kvmppc_core_destroy_vm(struct kvm *kvm)
kvm->arch.rma = NULL; kvm->arch.rma = NULL;
} }
kvmppc_rtas_tokens_free(kvm);
kvmppc_free_hpt(kvm); kvmppc_free_hpt(kvm);
WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables));
} }
/* These are stubs for now */ /* We don't need to emulate any privileged instructions or dcbz */
void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end) static int kvmppc_core_emulate_op_hv(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance)
{ {
return EMULATE_FAIL;
} }
/* We don't need to emulate any privileged instructions or dcbz */ static int kvmppc_core_emulate_mtspr_hv(struct kvm_vcpu *vcpu, int sprn,
int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, ulong spr_val)
unsigned int inst, int *advance)
{ {
return EMULATE_FAIL; return EMULATE_FAIL;
} }
int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) static int kvmppc_core_emulate_mfspr_hv(struct kvm_vcpu *vcpu, int sprn,
ulong *spr_val)
{ {
return EMULATE_FAIL; return EMULATE_FAIL;
} }
int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) static int kvmppc_core_check_processor_compat_hv(void)
{ {
return EMULATE_FAIL; if (!cpu_has_feature(CPU_FTR_HVMODE))
return -EIO;
return 0;
} }
static int kvmppc_book3s_hv_init(void) static long kvm_arch_vm_ioctl_hv(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
struct kvm *kvm __maybe_unused = filp->private_data;
void __user *argp = (void __user *)arg;
long r;
switch (ioctl) {
case KVM_ALLOCATE_RMA: {
struct kvm_allocate_rma rma;
struct kvm *kvm = filp->private_data;
r = kvm_vm_ioctl_allocate_rma(kvm, &rma);
if (r >= 0 && copy_to_user(argp, &rma, sizeof(rma)))
r = -EFAULT;
break;
}
case KVM_PPC_ALLOCATE_HTAB: {
u32 htab_order;
r = -EFAULT;
if (get_user(htab_order, (u32 __user *)argp))
break;
r = kvmppc_alloc_reset_hpt(kvm, &htab_order);
if (r)
break;
r = -EFAULT;
if (put_user(htab_order, (u32 __user *)argp))
break;
r = 0;
break;
}
case KVM_PPC_GET_HTAB_FD: {
struct kvm_get_htab_fd ghf;
r = -EFAULT;
if (copy_from_user(&ghf, argp, sizeof(ghf)))
break;
r = kvm_vm_ioctl_get_htab_fd(kvm, &ghf);
break;
}
default:
r = -ENOTTY;
}
return r;
}
static struct kvmppc_ops kvmppc_hv_ops = {
.get_sregs = kvm_arch_vcpu_ioctl_get_sregs_hv,
.set_sregs = kvm_arch_vcpu_ioctl_set_sregs_hv,
.get_one_reg = kvmppc_get_one_reg_hv,
.set_one_reg = kvmppc_set_one_reg_hv,
.vcpu_load = kvmppc_core_vcpu_load_hv,
.vcpu_put = kvmppc_core_vcpu_put_hv,
.set_msr = kvmppc_set_msr_hv,
.vcpu_run = kvmppc_vcpu_run_hv,
.vcpu_create = kvmppc_core_vcpu_create_hv,
.vcpu_free = kvmppc_core_vcpu_free_hv,
.check_requests = kvmppc_core_check_requests_hv,
.get_dirty_log = kvm_vm_ioctl_get_dirty_log_hv,
.flush_memslot = kvmppc_core_flush_memslot_hv,
.prepare_memory_region = kvmppc_core_prepare_memory_region_hv,
.commit_memory_region = kvmppc_core_commit_memory_region_hv,
.unmap_hva = kvm_unmap_hva_hv,
.unmap_hva_range = kvm_unmap_hva_range_hv,
.age_hva = kvm_age_hva_hv,
.test_age_hva = kvm_test_age_hva_hv,
.set_spte_hva = kvm_set_spte_hva_hv,
.mmu_destroy = kvmppc_mmu_destroy_hv,
.free_memslot = kvmppc_core_free_memslot_hv,
.create_memslot = kvmppc_core_create_memslot_hv,
.init_vm = kvmppc_core_init_vm_hv,
.destroy_vm = kvmppc_core_destroy_vm_hv,
.check_processor_compat = kvmppc_core_check_processor_compat_hv,
.get_smmu_info = kvm_vm_ioctl_get_smmu_info_hv,
.emulate_op = kvmppc_core_emulate_op_hv,
.emulate_mtspr = kvmppc_core_emulate_mtspr_hv,
.emulate_mfspr = kvmppc_core_emulate_mfspr_hv,
.fast_vcpu_kick = kvmppc_fast_vcpu_kick_hv,
.arch_vm_ioctl = kvm_arch_vm_ioctl_hv,
};
static int kvmppc_book3s_init_hv(void)
{ {
int r; int r;
r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE); r = kvm_init(&kvmppc_hv_ops, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
if (r) if (r)
return r; return r;
...@@ -2111,10 +2207,10 @@ static int kvmppc_book3s_hv_init(void) ...@@ -2111,10 +2207,10 @@ static int kvmppc_book3s_hv_init(void)
return r; return r;
} }
static void kvmppc_book3s_hv_exit(void) static void kvmppc_book3s_exit_hv(void)
{ {
kvm_exit(); kvm_exit();
} }
module_init(kvmppc_book3s_hv_init); module_init(kvmppc_book3s_init_hv);
module_exit(kvmppc_book3s_hv_exit); module_exit(kvmppc_book3s_exit_hv);
arch/powerpc/kvm/book3s_interrupts.S
View file @ 3a167bea
...@@ -181,7 +181,7 @@ kvm_start_lightweight: ...@@ -181,7 +181,7 @@ kvm_start_lightweight:
/* Restore r3 (kvm_run) and r4 (vcpu) */ /* Restore r3 (kvm_run) and r4 (vcpu) */
REST_2GPRS(3, r1) REST_2GPRS(3, r1)
bl FUNC(kvmppc_handle_exit) bl FUNC(kvmppc_handle_exit_pr)
/* If RESUME_GUEST, get back in the loop */ /* If RESUME_GUEST, get back in the loop */
cmpwi r3, RESUME_GUEST cmpwi r3, RESUME_GUEST
......
arch/powerpc/kvm/book3s_pr.c
View file @ 3a167bea
...@@ -41,6 +41,7 @@ ...@@ -41,6 +41,7 @@
#include <linux/vmalloc.h> #include <linux/vmalloc.h>
#include <linux/highmem.h> #include <linux/highmem.h>
#include "book3s.h"
#include "trace.h" #include "trace.h"
/* #define EXIT_DEBUG */ /* #define EXIT_DEBUG */
...@@ -56,7 +57,7 @@ static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr, ...@@ -56,7 +57,7 @@ static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
#define HW_PAGE_SIZE PAGE_SIZE #define HW_PAGE_SIZE PAGE_SIZE
#endif #endif
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) static void kvmppc_core_vcpu_load_pr(struct kvm_vcpu *vcpu, int cpu)
{ {
#ifdef CONFIG_PPC_BOOK3S_64 #ifdef CONFIG_PPC_BOOK3S_64
struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
...@@ -70,7 +71,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) ...@@ -70,7 +71,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
#endif #endif
} }
void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_put_pr(struct kvm_vcpu *vcpu)
{ {
#ifdef CONFIG_PPC_BOOK3S_64 #ifdef CONFIG_PPC_BOOK3S_64
struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
...@@ -137,7 +138,7 @@ void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu, ...@@ -137,7 +138,7 @@ void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu,
vcpu->arch.last_inst = svcpu->last_inst; vcpu->arch.last_inst = svcpu->last_inst;
} }
int kvmppc_core_check_requests(struct kvm_vcpu *vcpu) static int kvmppc_core_check_requests_pr(struct kvm_vcpu *vcpu)
{ {
int r = 1; /* Indicate we want to get back into the guest */ int r = 1; /* Indicate we want to get back into the guest */
...@@ -180,7 +181,7 @@ static void do_kvm_unmap_hva(struct kvm *kvm, unsigned long start, ...@@ -180,7 +181,7 @@ static void do_kvm_unmap_hva(struct kvm *kvm, unsigned long start,
} }
} }
int kvm_unmap_hva(struct kvm *kvm, unsigned long hva) static int kvm_unmap_hva_pr(struct kvm *kvm, unsigned long hva)
{ {
trace_kvm_unmap_hva(hva); trace_kvm_unmap_hva(hva);
...@@ -189,26 +190,27 @@ int kvm_unmap_hva(struct kvm *kvm, unsigned long hva) ...@@ -189,26 +190,27 @@ int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
return 0; return 0;
} }
int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) static int kvm_unmap_hva_range_pr(struct kvm *kvm, unsigned long start,
unsigned long end)
{ {
do_kvm_unmap_hva(kvm, start, end); do_kvm_unmap_hva(kvm, start, end);
return 0; return 0;
} }
int kvm_age_hva(struct kvm *kvm, unsigned long hva) static int kvm_age_hva_pr(struct kvm *kvm, unsigned long hva)
{ {
/* XXX could be more clever ;) */ /* XXX could be more clever ;) */
return 0; return 0;
} }
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva) static int kvm_test_age_hva_pr(struct kvm *kvm, unsigned long hva)
{ {
/* XXX could be more clever ;) */ /* XXX could be more clever ;) */
return 0; return 0;
} }
void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte) static void kvm_set_spte_hva_pr(struct kvm *kvm, unsigned long hva, pte_t pte)
{ {
/* The page will get remapped properly on its next fault */ /* The page will get remapped properly on its next fault */
do_kvm_unmap_hva(kvm, hva, hva + PAGE_SIZE); do_kvm_unmap_hva(kvm, hva, hva + PAGE_SIZE);
...@@ -233,7 +235,7 @@ static void kvmppc_recalc_shadow_msr(struct kvm_vcpu *vcpu) ...@@ -233,7 +235,7 @@ static void kvmppc_recalc_shadow_msr(struct kvm_vcpu *vcpu)
vcpu->arch.shadow_msr = smsr; vcpu->arch.shadow_msr = smsr;
} }
void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr) static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr)
{ {
ulong old_msr = vcpu->arch.shared->msr; ulong old_msr = vcpu->arch.shared->msr;
...@@ -293,7 +295,7 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr) ...@@ -293,7 +295,7 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
kvmppc_handle_ext(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, MSR_FP); kvmppc_handle_ext(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, MSR_FP);
} }
void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr) void kvmppc_set_pvr_pr(struct kvm_vcpu *vcpu, u32 pvr)
{ {
u32 host_pvr; u32 host_pvr;
...@@ -725,8 +727,8 @@ static void kvmppc_handle_lost_ext(struct kvm_vcpu *vcpu) ...@@ -725,8 +727,8 @@ static void kvmppc_handle_lost_ext(struct kvm_vcpu *vcpu)
current->thread.regs->msr |= lost_ext; current->thread.regs->msr |= lost_ext;
} }
int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, int kvmppc_handle_exit_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int exit_nr) unsigned int exit_nr)
{ {
int r = RESUME_HOST; int r = RESUME_HOST;
int s; int s;
...@@ -1034,8 +1036,8 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, ...@@ -1034,8 +1036,8 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
return r; return r;
} }
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, static int kvm_arch_vcpu_ioctl_get_sregs_pr(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs) struct kvm_sregs *sregs)
{ {
struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu); struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
int i; int i;
...@@ -1061,13 +1063,13 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, ...@@ -1061,13 +1063,13 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
return 0; return 0;
} }
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, static int kvm_arch_vcpu_ioctl_set_sregs_pr(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs) struct kvm_sregs *sregs)
{ {
struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu); struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
int i; int i;
kvmppc_set_pvr(vcpu, sregs->pvr); kvmppc_set_pvr_pr(vcpu, sregs->pvr);
vcpu3s->sdr1 = sregs->u.s.sdr1; vcpu3s->sdr1 = sregs->u.s.sdr1;
if (vcpu->arch.hflags & BOOK3S_HFLAG_SLB) { if (vcpu->arch.hflags & BOOK3S_HFLAG_SLB) {
...@@ -1097,7 +1099,8 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, ...@@ -1097,7 +1099,8 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
return 0; return 0;
} }
int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) static int kvmppc_get_one_reg_pr(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val)
{ {
int r = 0; int r = 0;
...@@ -1126,7 +1129,8 @@ int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) ...@@ -1126,7 +1129,8 @@ int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val)
return r; return r;
} }
int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) static int kvmppc_set_one_reg_pr(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val)
{ {
int r = 0; int r = 0;
...@@ -1156,12 +1160,8 @@ int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val) ...@@ -1156,12 +1160,8 @@ int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val)
return r; return r;
} }
int kvmppc_core_check_processor_compat(void) static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm,
{ unsigned int id)
return 0;
}
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
{ {
struct kvmppc_vcpu_book3s *vcpu_book3s; struct kvmppc_vcpu_book3s *vcpu_book3s;
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
...@@ -1208,7 +1208,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) ...@@ -1208,7 +1208,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
/* default to book3s_32 (750) */ /* default to book3s_32 (750) */
vcpu->arch.pvr = 0x84202; vcpu->arch.pvr = 0x84202;
#endif #endif
kvmppc_set_pvr(vcpu, vcpu->arch.pvr); kvmppc_set_pvr_pr(vcpu, vcpu->arch.pvr);
vcpu->arch.slb_nr = 64; vcpu->arch.slb_nr = 64;
vcpu->arch.shadow_msr = MSR_USER64; vcpu->arch.shadow_msr = MSR_USER64;
...@@ -1233,7 +1233,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) ...@@ -1233,7 +1233,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
return ERR_PTR(err); return ERR_PTR(err);
} }
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_free_pr(struct kvm_vcpu *vcpu)
{ {
struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
...@@ -1246,7 +1246,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) ...@@ -1246,7 +1246,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
kmem_cache_free(kvm_vcpu_cache, vcpu); kmem_cache_free(kvm_vcpu_cache, vcpu);
} }
int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) static int kvmppc_vcpu_run_pr(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
{ {
int ret; int ret;
double fpr[32][TS_FPRWIDTH]; double fpr[32][TS_FPRWIDTH];
...@@ -1355,8 +1355,8 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) ...@@ -1355,8 +1355,8 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
/* /*
* Get (and clear) the dirty memory log for a memory slot. * Get (and clear) the dirty memory log for a memory slot.
*/ */
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, static int kvm_vm_ioctl_get_dirty_log_pr(struct kvm *kvm,
struct kvm_dirty_log *log) struct kvm_dirty_log *log)
{ {
struct kvm_memory_slot *memslot; struct kvm_memory_slot *memslot;
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
...@@ -1391,8 +1391,42 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, ...@@ -1391,8 +1391,42 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
return r; return r;
} }
static void kvmppc_core_flush_memslot_pr(struct kvm *kvm,
struct kvm_memory_slot *memslot)
{
return;
}
static int kvmppc_core_prepare_memory_region_pr(struct kvm *kvm,
struct kvm_memory_slot *memslot,
struct kvm_userspace_memory_region *mem)
{
return 0;
}
static void kvmppc_core_commit_memory_region_pr(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old)
{
return;
}
static void kvmppc_core_free_memslot_pr(struct kvm_memory_slot *free,
struct kvm_memory_slot *dont)
{
return;
}
static int kvmppc_core_create_memslot_pr(struct kvm_memory_slot *slot,
unsigned long npages)
{
return 0;
}
#ifdef CONFIG_PPC64 #ifdef CONFIG_PPC64
int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info) static int kvm_vm_ioctl_get_smmu_info_pr(struct kvm *kvm,
struct kvm_ppc_smmu_info *info)
{ {
long int i; long int i;
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
...@@ -1436,45 +1470,20 @@ int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info) ...@@ -1436,45 +1470,20 @@ int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info)
return 0; return 0;
} }
#endif /* CONFIG_PPC64 */ #else
static int kvm_vm_ioctl_get_smmu_info_pr(struct kvm *kvm,
void kvmppc_core_free_memslot(struct kvm_memory_slot *free, struct kvm_ppc_smmu_info *info)
struct kvm_memory_slot *dont)
{
}
int kvmppc_core_create_memslot(struct kvm_memory_slot *slot,
unsigned long npages)
{
return 0;
}
int kvmppc_core_prepare_memory_region(struct kvm *kvm,
struct kvm_memory_slot *memslot,
struct kvm_userspace_memory_region *mem)
{
return 0;
}
void kvmppc_core_commit_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old)
{
}
void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot)
{ {
/* We should not get called */
BUG();
} }
#endif /* CONFIG_PPC64 */
static unsigned int kvm_global_user_count = 0; static unsigned int kvm_global_user_count = 0;
static DEFINE_SPINLOCK(kvm_global_user_count_lock); static DEFINE_SPINLOCK(kvm_global_user_count_lock);
int kvmppc_core_init_vm(struct kvm *kvm) static int kvmppc_core_init_vm_pr(struct kvm *kvm)
{ {
#ifdef CONFIG_PPC64
INIT_LIST_HEAD(&kvm->arch.spapr_tce_tables);
INIT_LIST_HEAD(&kvm->arch.rtas_tokens);
#endif
mutex_init(&kvm->arch.hpt_mutex); mutex_init(&kvm->arch.hpt_mutex);
if (firmware_has_feature(FW_FEATURE_SET_MODE)) { if (firmware_has_feature(FW_FEATURE_SET_MODE)) {
...@@ -1486,7 +1495,7 @@ int kvmppc_core_init_vm(struct kvm *kvm) ...@@ -1486,7 +1495,7 @@ int kvmppc_core_init_vm(struct kvm *kvm)
return 0; return 0;
} }
void kvmppc_core_destroy_vm(struct kvm *kvm) static void kvmppc_core_destroy_vm_pr(struct kvm *kvm)
{ {
#ifdef CONFIG_PPC64 #ifdef CONFIG_PPC64
WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables)); WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables));
...@@ -1501,11 +1510,58 @@ void kvmppc_core_destroy_vm(struct kvm *kvm) ...@@ -1501,11 +1510,58 @@ void kvmppc_core_destroy_vm(struct kvm *kvm)
} }
} }
static int kvmppc_book3s_init(void) static int kvmppc_core_check_processor_compat_pr(void)
{
/* we are always compatible */
return 0;
}
static long kvm_arch_vm_ioctl_pr(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
return -ENOTTY;
}
static struct kvmppc_ops kvmppc_pr_ops = {
.get_sregs = kvm_arch_vcpu_ioctl_get_sregs_pr,
.set_sregs = kvm_arch_vcpu_ioctl_set_sregs_pr,
.get_one_reg = kvmppc_get_one_reg_pr,
.set_one_reg = kvmppc_set_one_reg_pr,
.vcpu_load = kvmppc_core_vcpu_load_pr,
.vcpu_put = kvmppc_core_vcpu_put_pr,
.set_msr = kvmppc_set_msr_pr,
.vcpu_run = kvmppc_vcpu_run_pr,
.vcpu_create = kvmppc_core_vcpu_create_pr,
.vcpu_free = kvmppc_core_vcpu_free_pr,
.check_requests = kvmppc_core_check_requests_pr,
.get_dirty_log = kvm_vm_ioctl_get_dirty_log_pr,
.flush_memslot = kvmppc_core_flush_memslot_pr,
.prepare_memory_region = kvmppc_core_prepare_memory_region_pr,
.commit_memory_region = kvmppc_core_commit_memory_region_pr,
.unmap_hva = kvm_unmap_hva_pr,
.unmap_hva_range = kvm_unmap_hva_range_pr,
.age_hva = kvm_age_hva_pr,
.test_age_hva = kvm_test_age_hva_pr,
.set_spte_hva = kvm_set_spte_hva_pr,
.mmu_destroy = kvmppc_mmu_destroy_pr,
.free_memslot = kvmppc_core_free_memslot_pr,
.create_memslot = kvmppc_core_create_memslot_pr,
.init_vm = kvmppc_core_init_vm_pr,
.destroy_vm = kvmppc_core_destroy_vm_pr,
.check_processor_compat = kvmppc_core_check_processor_compat_pr,
.get_smmu_info = kvm_vm_ioctl_get_smmu_info_pr,
.emulate_op = kvmppc_core_emulate_op_pr,
.emulate_mtspr = kvmppc_core_emulate_mtspr_pr,
.emulate_mfspr = kvmppc_core_emulate_mfspr_pr,
.fast_vcpu_kick = kvm_vcpu_kick,
.arch_vm_ioctl = kvm_arch_vm_ioctl_pr,
};
static int kvmppc_book3s_init_pr(void)
{ {
int r; int r;
r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE); r = kvm_init(&kvmppc_pr_ops, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
if (r) if (r)
return r; return r;
...@@ -1515,11 +1571,11 @@ static int kvmppc_book3s_init(void) ...@@ -1515,11 +1571,11 @@ static int kvmppc_book3s_init(void)
return r; return r;
} }
static void kvmppc_book3s_exit(void) static void kvmppc_book3s_exit_pr(void)
{ {
kvmppc_mmu_hpte_sysexit(); kvmppc_mmu_hpte_sysexit();
kvm_exit(); kvm_exit();
} }
module_init(kvmppc_book3s_init); module_init(kvmppc_book3s_init_pr);
module_exit(kvmppc_book3s_exit); module_exit(kvmppc_book3s_exit_pr);
arch/powerpc/kvm/book3s_xics.c
View file @ 3a167bea
...@@ -1250,13 +1250,13 @@ static int kvmppc_xics_create(struct kvm_device *dev, u32 type) ...@@ -1250,13 +1250,13 @@ static int kvmppc_xics_create(struct kvm_device *dev, u32 type)
xics_debugfs_init(xics); xics_debugfs_init(xics);
#ifdef CONFIG_KVM_BOOK3S_64_HV #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
if (cpu_has_feature(CPU_FTR_ARCH_206)) { if (cpu_has_feature(CPU_FTR_ARCH_206)) {
/* Enable real mode support */ /* Enable real mode support */
xics->real_mode = ENABLE_REALMODE; xics->real_mode = ENABLE_REALMODE;
xics->real_mode_dbg = DEBUG_REALMODE; xics->real_mode_dbg = DEBUG_REALMODE;
} }
#endif /* CONFIG_KVM_BOOK3S_64_HV */ #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
return 0; return 0;
} }
......
arch/powerpc/kvm/booke.c
View file @ 3a167bea
...@@ -1415,7 +1415,7 @@ static int set_sregs_arch206(struct kvm_vcpu *vcpu, ...@@ -1415,7 +1415,7 @@ static int set_sregs_arch206(struct kvm_vcpu *vcpu,
return 0; return 0;
} }
void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
{ {
sregs->u.e.features |= KVM_SREGS_E_IVOR; sregs->u.e.features |= KVM_SREGS_E_IVOR;
...@@ -1435,6 +1435,7 @@ void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) ...@@ -1435,6 +1435,7 @@ void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
sregs->u.e.ivor_low[13] = vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS]; sregs->u.e.ivor_low[13] = vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS];
sregs->u.e.ivor_low[14] = vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS]; sregs->u.e.ivor_low[14] = vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS];
sregs->u.e.ivor_low[15] = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG]; sregs->u.e.ivor_low[15] = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];
return 0;
} }
int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
...@@ -1469,8 +1470,7 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, ...@@ -1469,8 +1470,7 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
get_sregs_base(vcpu, sregs); get_sregs_base(vcpu, sregs);
get_sregs_arch206(vcpu, sregs); get_sregs_arch206(vcpu, sregs);
kvmppc_core_get_sregs(vcpu, sregs); return kvmppc_ops->get_sregs(vcpu, sregs);
return 0;
} }
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
...@@ -1489,7 +1489,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, ...@@ -1489,7 +1489,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
if (ret < 0) if (ret < 0)
return ret; return ret;
return kvmppc_core_set_sregs(vcpu, sregs); return kvmppc_ops->set_sregs(vcpu, sregs);
} }
int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
...@@ -1546,7 +1546,7 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) ...@@ -1546,7 +1546,7 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
val = get_reg_val(reg->id, vcpu->arch.vrsave); val = get_reg_val(reg->id, vcpu->arch.vrsave);
break; break;
default: default:
r = kvmppc_get_one_reg(vcpu, reg->id, &val); r = kvmppc_ops->get_one_reg(vcpu, reg->id, &val);
break; break;
} }
...@@ -1629,7 +1629,7 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) ...@@ -1629,7 +1629,7 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
vcpu->arch.vrsave = set_reg_val(reg->id, val); vcpu->arch.vrsave = set_reg_val(reg->id, val);
break; break;
default: default:
r = kvmppc_set_one_reg(vcpu, reg->id, &val); r = kvmppc_ops->set_one_reg(vcpu, reg->id, &val);
break; break;
} }
...@@ -1907,6 +1907,41 @@ void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu) ...@@ -1907,6 +1907,41 @@ void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu)
kvmppc_clear_dbsr(); kvmppc_clear_dbsr();
} }
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
{
kvmppc_ops->mmu_destroy(vcpu);
}
int kvmppc_core_init_vm(struct kvm *kvm)
{
return kvmppc_ops->init_vm(kvm);
}
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
{
return kvmppc_ops->vcpu_create(kvm, id);
}
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
{
kvmppc_ops->vcpu_free(vcpu);
}
void kvmppc_core_destroy_vm(struct kvm *kvm)
{
kvmppc_ops->destroy_vm(kvm);
}
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
kvmppc_ops->vcpu_load(vcpu, cpu);
}
void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
{
kvmppc_ops->vcpu_put(vcpu);
}
int __init kvmppc_booke_init(void) int __init kvmppc_booke_init(void)
{ {
#ifndef CONFIG_KVM_BOOKE_HV #ifndef CONFIG_KVM_BOOKE_HV
......
arch/powerpc/kvm/booke.h
View file @ 3a167bea
...@@ -99,6 +99,30 @@ enum int_class { ...@@ -99,6 +99,30 @@ enum int_class {
void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type); void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type);
extern void kvmppc_mmu_destroy_44x(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_44x(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_44x(struct kvm_vcpu *vcpu, int sprn,
ulong spr_val);
extern int kvmppc_core_emulate_mfspr_44x(struct kvm_vcpu *vcpu, int sprn,
ulong *spr_val);
extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong spr_val);
extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong *spr_val);
extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong spr_val);
extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong *spr_val);
/* /*
* Load up guest vcpu FP state if it's needed. * Load up guest vcpu FP state if it's needed.
* It also set the MSR_FP in thread so that host know * It also set the MSR_FP in thread so that host know
......
arch/powerpc/kvm/e500.c
View file @ 3a167bea
...@@ -305,7 +305,7 @@ void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu) ...@@ -305,7 +305,7 @@ void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu)
{ {
} }
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) static void kvmppc_core_vcpu_load_e500(struct kvm_vcpu *vcpu, int cpu)
{ {
kvmppc_booke_vcpu_load(vcpu, cpu); kvmppc_booke_vcpu_load(vcpu, cpu);
...@@ -313,7 +313,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) ...@@ -313,7 +313,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
kvmppc_e500_recalc_shadow_pid(to_e500(vcpu)); kvmppc_e500_recalc_shadow_pid(to_e500(vcpu));
} }
void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_put_e500(struct kvm_vcpu *vcpu)
{ {
#ifdef CONFIG_SPE #ifdef CONFIG_SPE
if (vcpu->arch.shadow_msr & MSR_SPE) if (vcpu->arch.shadow_msr & MSR_SPE)
...@@ -367,7 +367,8 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu) ...@@ -367,7 +367,8 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
return 0; return 0;
} }
void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) static int kvmppc_core_get_sregs_e500(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
...@@ -388,9 +389,11 @@ void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) ...@@ -388,9 +389,11 @@ void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
kvmppc_get_sregs_ivor(vcpu, sregs); kvmppc_get_sregs_ivor(vcpu, sregs);
kvmppc_get_sregs_e500_tlb(vcpu, sregs); kvmppc_get_sregs_e500_tlb(vcpu, sregs);
return 0;
} }
int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) static int kvmppc_core_set_sregs_e500(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int ret; int ret;
...@@ -425,21 +428,22 @@ int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) ...@@ -425,21 +428,22 @@ int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
return kvmppc_set_sregs_ivor(vcpu, sregs); return kvmppc_set_sregs_ivor(vcpu, sregs);
} }
int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, static int kvmppc_get_one_reg_e500(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val) union kvmppc_one_reg *val)
{ {
int r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val); int r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val);
return r; return r;
} }
int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, static int kvmppc_set_one_reg_e500(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val) union kvmppc_one_reg *val)
{ {
int r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val); int r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val);
return r; return r;
} }
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) static struct kvm_vcpu *kvmppc_core_vcpu_create_e500(struct kvm *kvm,
unsigned int id)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500; struct kvmppc_vcpu_e500 *vcpu_e500;
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
...@@ -481,7 +485,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) ...@@ -481,7 +485,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
return ERR_PTR(err); return ERR_PTR(err);
} }
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_free_e500(struct kvm_vcpu *vcpu)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
...@@ -492,15 +496,32 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) ...@@ -492,15 +496,32 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
kmem_cache_free(kvm_vcpu_cache, vcpu_e500); kmem_cache_free(kvm_vcpu_cache, vcpu_e500);
} }
int kvmppc_core_init_vm(struct kvm *kvm) static int kvmppc_core_init_vm_e500(struct kvm *kvm)
{ {
return 0; return 0;
} }
void kvmppc_core_destroy_vm(struct kvm *kvm) static void kvmppc_core_destroy_vm_e500(struct kvm *kvm)
{ {
} }
static struct kvmppc_ops kvm_ops_e500 = {
.get_sregs = kvmppc_core_get_sregs_e500,
.set_sregs = kvmppc_core_set_sregs_e500,
.get_one_reg = kvmppc_get_one_reg_e500,
.set_one_reg = kvmppc_set_one_reg_e500,
.vcpu_load = kvmppc_core_vcpu_load_e500,
.vcpu_put = kvmppc_core_vcpu_put_e500,
.vcpu_create = kvmppc_core_vcpu_create_e500,
.vcpu_free = kvmppc_core_vcpu_free_e500,
.mmu_destroy = kvmppc_mmu_destroy_e500,
.init_vm = kvmppc_core_init_vm_e500,
.destroy_vm = kvmppc_core_destroy_vm_e500,
.emulate_op = kvmppc_core_emulate_op_e500,
.emulate_mtspr = kvmppc_core_emulate_mtspr_e500,
.emulate_mfspr = kvmppc_core_emulate_mfspr_e500,
};
static int __init kvmppc_e500_init(void) static int __init kvmppc_e500_init(void)
{ {
int r, i; int r, i;
...@@ -512,11 +533,11 @@ static int __init kvmppc_e500_init(void) ...@@ -512,11 +533,11 @@ static int __init kvmppc_e500_init(void)
r = kvmppc_core_check_processor_compat(); r = kvmppc_core_check_processor_compat();
if (r) if (r)
return r; goto err_out;
r = kvmppc_booke_init(); r = kvmppc_booke_init();
if (r) if (r)
return r; goto err_out;
/* copy extra E500 exception handlers */ /* copy extra E500 exception handlers */
ivor[0] = mfspr(SPRN_IVOR32); ivor[0] = mfspr(SPRN_IVOR32);
...@@ -534,7 +555,9 @@ static int __init kvmppc_e500_init(void) ...@@ -534,7 +555,9 @@ static int __init kvmppc_e500_init(void)
flush_icache_range(kvmppc_booke_handlers, kvmppc_booke_handlers + flush_icache_range(kvmppc_booke_handlers, kvmppc_booke_handlers +
ivor[max_ivor] + handler_len); ivor[max_ivor] + handler_len);
return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE); r = kvm_init(&kvm_ops_e500, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
err_out:
return r;
} }
static void __exit kvmppc_e500_exit(void) static void __exit kvmppc_e500_exit(void)
......
arch/powerpc/kvm/e500_emulate.c
View file @ 3a167bea
...@@ -103,8 +103,8 @@ static int kvmppc_e500_emul_ehpriv(struct kvm_run *run, struct kvm_vcpu *vcpu, ...@@ -103,8 +103,8 @@ static int kvmppc_e500_emul_ehpriv(struct kvm_run *run, struct kvm_vcpu *vcpu,
return emulated; return emulated;
} }
int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, int kvmppc_core_emulate_op_e500(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance) unsigned int inst, int *advance)
{ {
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
int ra = get_ra(inst); int ra = get_ra(inst);
...@@ -172,7 +172,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, ...@@ -172,7 +172,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
return emulated; return emulated;
} }
int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
...@@ -263,7 +263,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) ...@@ -263,7 +263,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
return emulated; return emulated;
} }
int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int emulated = EMULATE_DONE; int emulated = EMULATE_DONE;
......
arch/powerpc/kvm/e500_mmu.c
View file @ 3a167bea
...@@ -536,7 +536,7 @@ gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int index, ...@@ -536,7 +536,7 @@ gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int index,
return get_tlb_raddr(gtlbe) | (eaddr & pgmask); return get_tlb_raddr(gtlbe) | (eaddr & pgmask);
} }
void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu) void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu)
{ {
} }
......
arch/powerpc/kvm/e500mc.c
View file @ 3a167bea
...@@ -110,7 +110,7 @@ void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr) ...@@ -110,7 +110,7 @@ void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr)
static DEFINE_PER_CPU(struct kvm_vcpu *, last_vcpu_on_cpu); static DEFINE_PER_CPU(struct kvm_vcpu *, last_vcpu_on_cpu);
void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) static void kvmppc_core_vcpu_load_e500mc(struct kvm_vcpu *vcpu, int cpu)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
...@@ -147,7 +147,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) ...@@ -147,7 +147,7 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
kvmppc_load_guest_fp(vcpu); kvmppc_load_guest_fp(vcpu);
} }
void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_put_e500mc(struct kvm_vcpu *vcpu)
{ {
vcpu->arch.eplc = mfspr(SPRN_EPLC); vcpu->arch.eplc = mfspr(SPRN_EPLC);
vcpu->arch.epsc = mfspr(SPRN_EPSC); vcpu->arch.epsc = mfspr(SPRN_EPSC);
...@@ -204,7 +204,8 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu) ...@@ -204,7 +204,8 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
return 0; return 0;
} }
void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) static int kvmppc_core_get_sregs_e500mc(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
...@@ -224,10 +225,11 @@ void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) ...@@ -224,10 +225,11 @@ void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
sregs->u.e.ivor_high[4] = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL]; sregs->u.e.ivor_high[4] = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL];
sregs->u.e.ivor_high[5] = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT]; sregs->u.e.ivor_high[5] = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT];
kvmppc_get_sregs_ivor(vcpu, sregs); return kvmppc_get_sregs_ivor(vcpu, sregs);
} }
int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) static int kvmppc_core_set_sregs_e500mc(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int ret; int ret;
...@@ -260,21 +262,22 @@ int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) ...@@ -260,21 +262,22 @@ int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
return kvmppc_set_sregs_ivor(vcpu, sregs); return kvmppc_set_sregs_ivor(vcpu, sregs);
} }
int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, static int kvmppc_get_one_reg_e500mc(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val) union kvmppc_one_reg *val)
{ {
int r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val); int r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val);
return r; return r;
} }
int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, static int kvmppc_set_one_reg_e500mc(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val) union kvmppc_one_reg *val)
{ {
int r = kvmppc_set_one_reg_e500_tlb(vcpu, id, val); int r = kvmppc_set_one_reg_e500_tlb(vcpu, id, val);
return r; return r;
} }
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) static struct kvm_vcpu *kvmppc_core_vcpu_create_e500mc(struct kvm *kvm,
unsigned int id)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500; struct kvmppc_vcpu_e500 *vcpu_e500;
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
...@@ -315,7 +318,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) ...@@ -315,7 +318,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
return ERR_PTR(err); return ERR_PTR(err);
} }
void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) static void kvmppc_core_vcpu_free_e500mc(struct kvm_vcpu *vcpu)
{ {
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
...@@ -325,7 +328,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) ...@@ -325,7 +328,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
kmem_cache_free(kvm_vcpu_cache, vcpu_e500); kmem_cache_free(kvm_vcpu_cache, vcpu_e500);
} }
int kvmppc_core_init_vm(struct kvm *kvm) static int kvmppc_core_init_vm_e500mc(struct kvm *kvm)
{ {
int lpid; int lpid;
...@@ -337,23 +340,44 @@ int kvmppc_core_init_vm(struct kvm *kvm) ...@@ -337,23 +340,44 @@ int kvmppc_core_init_vm(struct kvm *kvm)
return 0; return 0;
} }
void kvmppc_core_destroy_vm(struct kvm *kvm) static void kvmppc_core_destroy_vm_e500mc(struct kvm *kvm)
{ {
kvmppc_free_lpid(kvm->arch.lpid); kvmppc_free_lpid(kvm->arch.lpid);
} }
static struct kvmppc_ops kvm_ops_e500mc = {
.get_sregs = kvmppc_core_get_sregs_e500mc,
.set_sregs = kvmppc_core_set_sregs_e500mc,
.get_one_reg = kvmppc_get_one_reg_e500mc,
.set_one_reg = kvmppc_set_one_reg_e500mc,
.vcpu_load = kvmppc_core_vcpu_load_e500mc,
.vcpu_put = kvmppc_core_vcpu_put_e500mc,
.vcpu_create = kvmppc_core_vcpu_create_e500mc,
.vcpu_free = kvmppc_core_vcpu_free_e500mc,
.mmu_destroy = kvmppc_mmu_destroy_e500,
.init_vm = kvmppc_core_init_vm_e500mc,
.destroy_vm = kvmppc_core_destroy_vm_e500mc,
.emulate_op = kvmppc_core_emulate_op_e500,
.emulate_mtspr = kvmppc_core_emulate_mtspr_e500,
.emulate_mfspr = kvmppc_core_emulate_mfspr_e500,
};
static int __init kvmppc_e500mc_init(void) static int __init kvmppc_e500mc_init(void)
{ {
int r; int r;
r = kvmppc_booke_init(); r = kvmppc_booke_init();
if (r) if (r)
return r; goto err_out;
kvmppc_init_lpid(64); kvmppc_init_lpid(64);
kvmppc_claim_lpid(0); /* host */ kvmppc_claim_lpid(0); /* host */
return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE); r = kvm_init(&kvm_ops_e500mc, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
if (r)
goto err_out;
err_out:
return r;
} }
static void __exit kvmppc_e500mc_exit(void) static void __exit kvmppc_e500mc_exit(void)
......
arch/powerpc/kvm/emulate.c
View file @ 3a167bea
...@@ -130,7 +130,7 @@ static int kvmppc_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) ...@@ -130,7 +130,7 @@ static int kvmppc_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_PIR: break; case SPRN_PIR: break;
default: default:
emulated = kvmppc_core_emulate_mtspr(vcpu, sprn, emulated = kvmppc_ops->emulate_mtspr(vcpu, sprn,
spr_val); spr_val);
if (emulated == EMULATE_FAIL) if (emulated == EMULATE_FAIL)
printk(KERN_INFO "mtspr: unknown spr " printk(KERN_INFO "mtspr: unknown spr "
...@@ -191,7 +191,7 @@ static int kvmppc_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) ...@@ -191,7 +191,7 @@ static int kvmppc_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
spr_val = kvmppc_get_dec(vcpu, get_tb()); spr_val = kvmppc_get_dec(vcpu, get_tb());
break; break;
default: default:
emulated = kvmppc_core_emulate_mfspr(vcpu, sprn, emulated = kvmppc_ops->emulate_mfspr(vcpu, sprn,
&spr_val); &spr_val);
if (unlikely(emulated == EMULATE_FAIL)) { if (unlikely(emulated == EMULATE_FAIL)) {
printk(KERN_INFO "mfspr: unknown spr " printk(KERN_INFO "mfspr: unknown spr "
...@@ -464,7 +464,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) ...@@ -464,7 +464,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
} }
if (emulated == EMULATE_FAIL) { if (emulated == EMULATE_FAIL) {
emulated = kvmppc_core_emulate_op(run, vcpu, inst, &advance); emulated = kvmppc_ops->emulate_op(run, vcpu, inst, &advance);
if (emulated == EMULATE_AGAIN) { if (emulated == EMULATE_AGAIN) {
advance = 0; advance = 0;
} else if (emulated == EMULATE_FAIL) { } else if (emulated == EMULATE_FAIL) {
......
arch/powerpc/kvm/powerpc.c
View file @ 3a167bea
...@@ -39,6 +39,8 @@ ...@@ -39,6 +39,8 @@
#define CREATE_TRACE_POINTS #define CREATE_TRACE_POINTS
#include "trace.h" #include "trace.h"
struct kvmppc_ops *kvmppc_ops;
int kvm_arch_vcpu_runnable(struct kvm_vcpu *v) int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
{ {
return !!(v->arch.pending_exceptions) || return !!(v->arch.pending_exceptions) ||
...@@ -1024,52 +1026,11 @@ long kvm_arch_vm_ioctl(struct file *filp, ...@@ -1024,52 +1026,11 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = kvm_vm_ioctl_create_spapr_tce(kvm, &create_tce); r = kvm_vm_ioctl_create_spapr_tce(kvm, &create_tce);
goto out; goto out;
} }
#endif /* CONFIG_PPC_BOOK3S_64 */
#ifdef CONFIG_KVM_BOOK3S_64_HV
case KVM_ALLOCATE_RMA: {
struct kvm_allocate_rma rma;
struct kvm *kvm = filp->private_data;
r = kvm_vm_ioctl_allocate_rma(kvm, &rma);
if (r >= 0 && copy_to_user(argp, &rma, sizeof(rma)))
r = -EFAULT;
break;
}
case KVM_PPC_ALLOCATE_HTAB: {
u32 htab_order;
r = -EFAULT;
if (get_user(htab_order, (u32 __user *)argp))
break;
r = kvmppc_alloc_reset_hpt(kvm, &htab_order);
if (r)
break;
r = -EFAULT;
if (put_user(htab_order, (u32 __user *)argp))
break;
r = 0;
break;
}
case KVM_PPC_GET_HTAB_FD: {
struct kvm_get_htab_fd ghf;
r = -EFAULT;
if (copy_from_user(&ghf, argp, sizeof(ghf)))
break;
r = kvm_vm_ioctl_get_htab_fd(kvm, &ghf);
break;
}
#endif /* CONFIG_KVM_BOOK3S_64_HV */
#ifdef CONFIG_PPC_BOOK3S_64
case KVM_PPC_GET_SMMU_INFO: { case KVM_PPC_GET_SMMU_INFO: {
struct kvm_ppc_smmu_info info; struct kvm_ppc_smmu_info info;
memset(&info, 0, sizeof(info)); memset(&info, 0, sizeof(info));
r = kvm_vm_ioctl_get_smmu_info(kvm, &info); r = kvmppc_ops->get_smmu_info(kvm, &info);
if (r >= 0 && copy_to_user(argp, &info, sizeof(info))) if (r >= 0 && copy_to_user(argp, &info, sizeof(info)))
r = -EFAULT; r = -EFAULT;
break; break;
...@@ -1080,11 +1041,14 @@ long kvm_arch_vm_ioctl(struct file *filp, ...@@ -1080,11 +1041,14 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = kvm_vm_ioctl_rtas_define_token(kvm, argp); r = kvm_vm_ioctl_rtas_define_token(kvm, argp);
break; break;
} }
#endif /* CONFIG_PPC_BOOK3S_64 */ default:
r = kvmppc_ops->arch_vm_ioctl(filp, ioctl, arg);
#else /* CONFIG_PPC_BOOK3S_64 */
default: default:
r = -ENOTTY; r = -ENOTTY;
#endif
} }
out: out:
return r; return r;
} }
...@@ -1125,9 +1089,15 @@ void kvmppc_init_lpid(unsigned long nr_lpids_param) ...@@ -1125,9 +1089,15 @@ void kvmppc_init_lpid(unsigned long nr_lpids_param)
int kvm_arch_init(void *opaque) int kvm_arch_init(void *opaque)
{ {
if (kvmppc_ops) {
printk(KERN_ERR "kvm: already loaded the other module\n");
return -EEXIST;
}
kvmppc_ops = (struct kvmppc_ops *)opaque;
return 0; return 0;
} }
void kvm_arch_exit(void) void kvm_arch_exit(void)
{ {
kvmppc_ops = NULL;
} }
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