diff options
Diffstat (limited to 'hw/intc')
-rw-r--r-- | hw/intc/xics_kvm.c | 52 |
1 files changed, 14 insertions, 38 deletions
diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 89fb20e2c5..8bdf6afe82 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -56,10 +56,6 @@ static QLIST_HEAD(, KVMEnabledICP) static void icp_get_kvm_state(ICPState *icp) { uint64_t state; - struct kvm_one_reg reg = { - .id = KVM_REG_PPC_ICP_STATE, - .addr = (uintptr_t)&state, - }; int ret; /* ICP for this CPU thread is not in use, exiting */ @@ -67,7 +63,7 @@ static void icp_get_kvm_state(ICPState *icp) return; } - ret = kvm_vcpu_ioctl(icp->cs, KVM_GET_ONE_REG, ®); + ret = kvm_get_one_reg(icp->cs, KVM_REG_PPC_ICP_STATE, &state); if (ret != 0) { error_report("Unable to retrieve KVM interrupt controller state" " for CPU %ld: %s", kvm_arch_vcpu_id(icp->cs), strerror(errno)); @@ -96,10 +92,6 @@ static void icp_synchronize_state(ICPState *icp) static int icp_set_kvm_state(ICPState *icp, int version_id) { uint64_t state; - struct kvm_one_reg reg = { - .id = KVM_REG_PPC_ICP_STATE, - .addr = (uintptr_t)&state, - }; int ret; /* ICP for this CPU thread is not in use, exiting */ @@ -111,7 +103,7 @@ static int icp_set_kvm_state(ICPState *icp, int version_id) | ((uint64_t)icp->mfrr << KVM_REG_PPC_ICP_MFRR_SHIFT) | ((uint64_t)icp->pending_priority << KVM_REG_PPC_ICP_PPRI_SHIFT); - ret = kvm_vcpu_ioctl(icp->cs, KVM_SET_ONE_REG, ®); + ret = kvm_set_one_reg(icp->cs, KVM_REG_PPC_ICP_STATE, &state); if (ret != 0) { error_report("Unable to restore KVM interrupt controller state (0x%" PRIx64 ") for CPU %ld: %s", state, kvm_arch_vcpu_id(icp->cs), @@ -185,21 +177,15 @@ static const TypeInfo icp_kvm_info = { static void ics_get_kvm_state(ICSState *ics) { uint64_t state; - struct kvm_device_attr attr = { - .flags = 0, - .group = KVM_DEV_XICS_GRP_SOURCES, - .addr = (uint64_t)(uintptr_t)&state, - }; int i; + Error *local_err = NULL; for (i = 0; i < ics->nr_irqs; i++) { ICSIRQState *irq = &ics->irqs[i]; - int ret; - - attr.attr = i + ics->offset; - ret = ioctl(kernel_xics_fd, KVM_GET_DEVICE_ATTR, &attr); - if (ret != 0) { + kvm_device_access(kernel_xics_fd, KVM_DEV_XICS_GRP_SOURCES, + i + ics->offset, &state, false, &local_err); + if (local_err) { error_report("Unable to retrieve KVM interrupt controller state" " for IRQ %d: %s", i + ics->offset, strerror(errno)); exit(1); @@ -255,19 +241,13 @@ static void ics_synchronize_state(ICSState *ics) static int ics_set_kvm_state(ICSState *ics, int version_id) { uint64_t state; - struct kvm_device_attr attr = { - .flags = 0, - .group = KVM_DEV_XICS_GRP_SOURCES, - .addr = (uint64_t)(uintptr_t)&state, - }; int i; + Error *local_err = NULL; for (i = 0; i < ics->nr_irqs; i++) { ICSIRQState *irq = &ics->irqs[i]; int ret; - attr.attr = i + ics->offset; - state = irq->server; state |= (uint64_t)(irq->saved_priority & KVM_XICS_PRIORITY_MASK) << KVM_XICS_PRIORITY_SHIFT; @@ -293,8 +273,9 @@ static int ics_set_kvm_state(ICSState *ics, int version_id) state |= KVM_XICS_QUEUED; } - ret = ioctl(kernel_xics_fd, KVM_SET_DEVICE_ATTR, &attr); - if (ret != 0) { + kvm_device_access(kernel_xics_fd, KVM_DEV_XICS_GRP_SOURCES, + i + ics->offset, &state, true, &local_err); + if (local_err) { error_report("Unable to restore KVM interrupt controller state" " for IRQs %d: %s", i + ics->offset, strerror(errno)); return ret; @@ -391,10 +372,6 @@ static void rtas_dummy(PowerPCCPU *cpu, sPAPRMachineState *spapr, int xics_kvm_init(sPAPRMachineState *spapr, Error **errp) { int rc; - struct kvm_create_device xics_create_device = { - .type = KVM_DEV_TYPE_XICS, - .flags = 0, - }; if (!kvm_enabled() || !kvm_check_extension(kvm_state, KVM_CAP_IRQ_XICS)) { error_setg(errp, @@ -431,20 +408,19 @@ int xics_kvm_init(sPAPRMachineState *spapr, Error **errp) goto fail; } - /* Create the kernel ICP */ - rc = kvm_vm_ioctl(kvm_state, KVM_CREATE_DEVICE, &xics_create_device); + /* Create the KVM XICS device */ + rc = kvm_create_device(kvm_state, KVM_DEV_TYPE_XICS, false); if (rc < 0) { error_setg_errno(errp, -rc, "Error on KVM_CREATE_DEVICE for XICS"); goto fail; } - kernel_xics_fd = xics_create_device.fd; - + kernel_xics_fd = rc; kvm_kernel_irqchip = true; kvm_msi_via_irqfd_allowed = true; kvm_gsi_direct_mapping = true; - return rc; + return 0; fail: kvmppc_define_rtas_kernel_token(0, "ibm,set-xive"); |