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KVM: PPC: Booke-hv: Add one reg interface for SPRG9 

We now support SPRG9 for guest, so also add a one reg interface for same
Note: Changes are in bookehv code only as we do not have SPRG9 on booke-pr.

Signed-off-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
hifive-unleashed-5.1
Bharat Bhushan 2014-07-25 11:21:08 +05:30 committed by Alexander Graf
parent 99e99d19a8
commit 28d2f421bc
2 changed files with 21 additions and 2 deletions
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1
arch/powerpc/include/uapi/asm/kvm.h
View File

@ -555,6 +555,7 @@ struct kvm_get_htab_header {
#define KVM_REG_PPC_DABRX (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb8)
#define KVM_REG_PPC_WORT (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb9)
#define KVM_REG_PPC_SPRG9 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xba)
/* Transactional Memory checkpointed state:
* This is all GPRs, all VSX regs and a subset of SPRs

22
arch/powerpc/kvm/e500mc.c
View File

@ -267,14 +267,32 @@ static int kvmppc_core_set_sregs_e500mc(struct kvm_vcpu *vcpu,
static int kvmppc_get_one_reg_e500mc(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val)
{
int r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val);
int r = 0;
switch (id) {
case KVM_REG_PPC_SPRG9:
*val = get_reg_val(id, vcpu->arch.sprg9);
break;
default:
r = kvmppc_get_one_reg_e500_tlb(vcpu, id, val);
}
return r;
}
static int kvmppc_set_one_reg_e500mc(struct kvm_vcpu *vcpu, u64 id,
union kvmppc_one_reg *val)
{
int r = kvmppc_set_one_reg_e500_tlb(vcpu, id, val);
int r = 0;
switch (id) {
case KVM_REG_PPC_SPRG9:
vcpu->arch.sprg9 = set_reg_val(id, *val);
break;
default:
r = kvmppc_set_one_reg_e500_tlb(vcpu, id, val);
}
return r;
}