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| author | Bharat Bhushan <Bharat.Bhushan@freescale.com> | 2014-07-25 09:51:08 +0400 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-07-28 17:23:15 +0400 |
| commit | 28d2f421bcff6781b80decac59da414f86f35c2a (patch) | |
| tree | 388f6bad74019f92f1659c63429545e5ba884579 | |
| parent | 99e99d19a86dc596703ed79dcecf9ca6b32a6a8a (diff) | |
| download | linux-28d2f421bcff6781b80decac59da414f86f35c2a.tar.xz | |
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>
| -rw-r--r-- | arch/powerpc/include/uapi/asm/kvm.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kvm/e500mc.c | 22 |
2 files changed, 21 insertions, 2 deletions
diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h index 2bc4a9409a93..0e56d9e7b2d6 100644 --- a/arch/powerpc/include/uapi/asm/kvm.h +++ b/arch/powerpc/include/uapi/asm/kvm.h @@ -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 diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c index 690499d7669d..164bad2a19bf 100644 --- a/arch/powerpc/kvm/e500mc.c +++ b/arch/powerpc/kvm/e500mc.c @@ -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; } |