diff options
author | Michael Neuling <mikey@neuling.org> | 2014-03-25 00:47:03 +0100 |
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committer | Paul Mackerras <paulus@samba.org> | 2014-03-29 09:58:17 +0100 |
commit | a7d80d01c68ed7d3fbc7bcf4541e6fb7e6b87cd6 (patch) | |
tree | a9ca0c8c5068c91c3c021933f4eb061306fbb64b | |
parent | KVM: PPC: Book3S HV: Add transactional memory support (diff) | |
download | linux-a7d80d01c68ed7d3fbc7bcf4541e6fb7e6b87cd6.tar.xz linux-a7d80d01c68ed7d3fbc7bcf4541e6fb7e6b87cd6.zip |
KVM: PPC: Book3S HV: Add get/set_one_reg for new TM state
This adds code to get/set_one_reg to read and write the new transactional
memory (TM) state.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: Scott Wood <scottwood@freescale.com>
-rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 147 |
1 files changed, 125 insertions, 22 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index e0a535cdf07b..a6d8f018180d 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -879,17 +879,6 @@ 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; @@ -970,6 +959,69 @@ 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; @@ -1039,17 +1091,6 @@ 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; @@ -1144,6 +1185,68 @@ 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; |