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Commit 28d2f421 authored by Bharat Bhushan's avatar Bharat Bhushan Committed by Alexander Graf
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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: default avatarBharat Bhushan <Bharat.Bhushan@freescale.com>
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 99e99d19

arch/powerpc/include/uapi/asm/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/powerpc/kvm/e500mc.c

+20 −2
Original line number Diff line number Diff line
@@ -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;

}