diff options
| -rw-r--r-- | target-ppc/kvm.c | 89 |
1 files changed, 50 insertions, 39 deletions
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index a31d278a5f..1a7489bac8 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -60,6 +60,7 @@ static int cap_booke_sregs; static int cap_ppc_smt; static int cap_ppc_rma; static int cap_spapr_tce; +static int cap_hior; /* XXX We have a race condition where we actually have a level triggered * interrupt, but the infrastructure can't expose that yet, so the guest @@ -86,6 +87,7 @@ int kvm_arch_init(KVMState *s) cap_ppc_smt = kvm_check_extension(s, KVM_CAP_PPC_SMT); cap_ppc_rma = kvm_check_extension(s, KVM_CAP_PPC_RMA); cap_spapr_tce = kvm_check_extension(s, KVM_CAP_SPAPR_TCE); + cap_hior = kvm_check_extension(s, KVM_CAP_PPC_HIOR); if (!cap_interrupt_level) { fprintf(stderr, "KVM: Couldn't find level irq capability. Expect the " @@ -469,6 +471,53 @@ int kvm_arch_put_registers(CPUPPCState *env, int level) env->tlb_dirty = false; } + if (cap_segstate && (level >= KVM_PUT_RESET_STATE)) { + struct kvm_sregs sregs; + + sregs.pvr = env->spr[SPR_PVR]; + + sregs.u.s.sdr1 = env->spr[SPR_SDR1]; + + /* Sync SLB */ +#ifdef TARGET_PPC64 + for (i = 0; i < 64; i++) { + sregs.u.s.ppc64.slb[i].slbe = env->slb[i].esid; + sregs.u.s.ppc64.slb[i].slbv = env->slb[i].vsid; + } +#endif + + /* Sync SRs */ + for (i = 0; i < 16; i++) { + sregs.u.s.ppc32.sr[i] = env->sr[i]; + } + + /* Sync BATs */ + for (i = 0; i < 8; i++) { + sregs.u.s.ppc32.dbat[i] = ((uint64_t)env->DBAT[1][i] << 32) + | env->DBAT[0][i]; + sregs.u.s.ppc32.ibat[i] = ((uint64_t)env->IBAT[1][i] << 32) + | env->IBAT[0][i]; + } + + ret = kvm_vcpu_ioctl(env, KVM_SET_SREGS, &sregs); + if (ret) { + return ret; + } + } + + if (cap_hior && (level >= KVM_PUT_RESET_STATE)) { + uint64_t hior = env->spr[SPR_HIOR]; + struct kvm_one_reg reg = { + .id = KVM_REG_PPC_HIOR, + .addr = (uintptr_t) &hior, + }; + + ret = kvm_vcpu_ioctl(env, KVM_SET_ONE_REG, ®); + if (ret) { + return ret; + } + } + return ret; } @@ -946,52 +995,14 @@ int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len) void kvmppc_set_papr(CPUPPCState *env) { struct kvm_enable_cap cap = {}; - struct kvm_one_reg reg = {}; - struct kvm_sregs sregs = {}; int ret; - uint64_t hior = env->spr[SPR_HIOR]; cap.cap = KVM_CAP_PPC_PAPR; ret = kvm_vcpu_ioctl(env, KVM_ENABLE_CAP, &cap); if (ret) { - goto fail; - } - - /* - * XXX We set HIOR here. It really should be a qdev property of - * the CPU node, but we don't have CPUs converted to qdev yet. - * - * Once we have qdev CPUs, move HIOR to a qdev property and - * remove this chunk. - */ - reg.id = KVM_REG_PPC_HIOR; - reg.addr = (uintptr_t)&hior; - ret = kvm_vcpu_ioctl(env, KVM_SET_ONE_REG, ®); - if (ret) { - fprintf(stderr, "Couldn't set HIOR. Maybe you're running an old \n" - "kernel with support for HV KVM but no PAPR PR \n" - "KVM in which case things will work. If they don't \n" - "please update your host kernel!\n"); - } - - /* Set SDR1 so kernel space finds the HTAB */ - ret = kvm_vcpu_ioctl(env, KVM_GET_SREGS, &sregs); - if (ret) { - goto fail; - } - - sregs.u.s.sdr1 = env->spr[SPR_SDR1]; - - ret = kvm_vcpu_ioctl(env, KVM_SET_SREGS, &sregs); - if (ret) { - goto fail; + cpu_abort(env, "This KVM version does not support PAPR\n"); } - - return; - -fail: - cpu_abort(env, "This KVM version does not support PAPR\n"); } int kvmppc_smt_threads(void) |