[17/18] KVM: PPC: Book3S HV: Add get/set_one_reg for new TM state

Commit Message

Paul Mackerras Jan. 8, 2014, 10:25 a.m. UTC

From: Michael Neuling <[e-mail]>

This adds code to get/set_one_reg to read and write the new transactional
memory (TM) state.

Signed-off-by: Michael Neuling <[e-mail]>
Signed-off-by: Paul Mackerras <[e-mail]>
---
 arch/powerpc/kvm/book3s_hv.c | 147 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 125 insertions(+), 22 deletions(-)

Patch

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index e0622f8..32f1b22 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -875,17 +875,6 @@  static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
 	case KVM_REG_PPC_IAMR:
 		*val = get_reg_val(id, vcpu->arch.iamr);
 		break;
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-	case KVM_REG_PPC_TFHAR:
-		*val = get_reg_val(id, vcpu->arch.tfhar);
-		break;
-	case KVM_REG_PPC_TFIAR:
-		*val = get_reg_val(id, vcpu->arch.tfiar);
-		break;
-	case KVM_REG_PPC_TEXASR:
-		*val = get_reg_val(id, vcpu->arch.texasr);
-		break;
-#endif
 	case KVM_REG_PPC_FSCR:
 		*val = get_reg_val(id, vcpu->arch.fscr);
 		break;
@@ -966,6 +955,69 @@  static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
 	case KVM_REG_PPC_PPR:
 		*val = get_reg_val(id, vcpu->arch.ppr);
 		break;
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+	case KVM_REG_PPC_TFHAR:
+		*val = get_reg_val(id, vcpu->arch.tfhar);
+		break;
+	case KVM_REG_PPC_TFIAR:
+		*val = get_reg_val(id, vcpu->arch.tfiar);
+		break;
+	case KVM_REG_PPC_TEXASR:
+		*val = get_reg_val(id, vcpu->arch.texasr);
+		break;
+	case KVM_REG_PPC_TM_GPR0 ... KVM_REG_PPC_TM_GPR31:
+		i = id - KVM_REG_PPC_TM_GPR0;
+		*val = get_reg_val(id, vcpu->arch.gpr_tm[i]);
+		break;
+	case KVM_REG_PPC_TM_VSR0 ... KVM_REG_PPC_TM_VSR63:
+	{
+		int j;
+		i = id - KVM_REG_PPC_TM_VSR0;
+		if (i < 32)
+			for (j = 0; j < TS_FPRWIDTH; j++)
+				val->vsxval[j] = vcpu->arch.fp_tm.fpr[i][j];
+		else {
+			if (cpu_has_feature(CPU_FTR_ALTIVEC))
+				val->vval = vcpu->arch.vr_tm.vr[i-32];
+			else
+				r = -ENXIO;
+		}
+		break;
+	}
+	case KVM_REG_PPC_TM_CR:
+		*val = get_reg_val(id, vcpu->arch.cr_tm);
+		break;
+	case KVM_REG_PPC_TM_LR:
+		*val = get_reg_val(id, vcpu->arch.lr_tm);
+		break;
+	case KVM_REG_PPC_TM_CTR:
+		*val = get_reg_val(id, vcpu->arch.ctr_tm);
+		break;
+	case KVM_REG_PPC_TM_FPSCR:
+		*val = get_reg_val(id, vcpu->arch.fp_tm.fpscr);
+		break;
+	case KVM_REG_PPC_TM_AMR:
+		*val = get_reg_val(id, vcpu->arch.amr_tm);
+		break;
+	case KVM_REG_PPC_TM_PPR:
+		*val = get_reg_val(id, vcpu->arch.ppr_tm);
+		break;
+	case KVM_REG_PPC_TM_VRSAVE:
+		*val = get_reg_val(id, vcpu->arch.vrsave_tm);
+		break;
+	case KVM_REG_PPC_TM_VSCR:
+		if (cpu_has_feature(CPU_FTR_ALTIVEC))
+			*val = get_reg_val(id, vcpu->arch.vr_tm.vscr.u[3]);
+		else
+			r = -ENXIO;
+		break;
+	case KVM_REG_PPC_TM_DSCR:
+		*val = get_reg_val(id, vcpu->arch.dscr_tm);
+		break;
+	case KVM_REG_PPC_TM_TAR:
+		*val = get_reg_val(id, vcpu->arch.tar_tm);
+		break;
+#endif
 	case KVM_REG_PPC_ARCH_COMPAT:
 		*val = get_reg_val(id, vcpu->arch.vcore->arch_compat);
 		break;
@@ -1035,17 +1087,6 @@  static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
 	case KVM_REG_PPC_IAMR:
 		vcpu->arch.iamr = set_reg_val(id, *val);
 		break;
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-	case KVM_REG_PPC_TFHAR:
-		vcpu->arch.tfhar = set_reg_val(id, *val);
-		break;
-	case KVM_REG_PPC_TFIAR:
-		vcpu->arch.tfiar = set_reg_val(id, *val);
-		break;
-	case KVM_REG_PPC_TEXASR:
-		vcpu->arch.texasr = set_reg_val(id, *val);
-		break;
-#endif
 	case KVM_REG_PPC_FSCR:
 		vcpu->arch.fscr = set_reg_val(id, *val);
 		break;
@@ -1140,6 +1181,68 @@  static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
 	case KVM_REG_PPC_PPR:
 		vcpu->arch.ppr = set_reg_val(id, *val);
 		break;
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+	case KVM_REG_PPC_TFHAR:
+		vcpu->arch.tfhar = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TFIAR:
+		vcpu->arch.tfiar = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TEXASR:
+		vcpu->arch.texasr = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_GPR0 ... KVM_REG_PPC_TM_GPR31:
+		i = id - KVM_REG_PPC_TM_GPR0;
+		vcpu->arch.gpr_tm[i] = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_VSR0 ... KVM_REG_PPC_TM_VSR63:
+	{
+		int j;
+		i = id - KVM_REG_PPC_TM_VSR0;
+		if (i < 32)
+			for (j = 0; j < TS_FPRWIDTH; j++)
+				vcpu->arch.fp_tm.fpr[i][j] = val->vsxval[j];
+		else
+			if (cpu_has_feature(CPU_FTR_ALTIVEC))
+				vcpu->arch.vr_tm.vr[i-32] = val->vval;
+			else
+				r = -ENXIO;
+		break;
+	}
+	case KVM_REG_PPC_TM_CR:
+		vcpu->arch.cr_tm = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_LR:
+		vcpu->arch.lr_tm = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_CTR:
+		vcpu->arch.ctr_tm = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_FPSCR:
+		vcpu->arch.fp_tm.fpscr = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_AMR:
+		vcpu->arch.amr_tm = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_PPR:
+		vcpu->arch.ppr_tm = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_VRSAVE:
+		vcpu->arch.vrsave_tm = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_VSCR:
+		if (cpu_has_feature(CPU_FTR_ALTIVEC))
+			vcpu->arch.vr.vscr.u[3] = set_reg_val(id, *val);
+		else
+			r = - ENXIO;
+		break;
+	case KVM_REG_PPC_TM_DSCR:
+		vcpu->arch.dscr_tm = set_reg_val(id, *val);
+		break;
+	case KVM_REG_PPC_TM_TAR:
+		vcpu->arch.tar_tm = set_reg_val(id, *val);
+		break;
+#endif
 	case KVM_REG_PPC_ARCH_COMPAT:
 		r = kvmppc_set_arch_compat(vcpu, set_reg_val(id, *val));
 		break;