From 4e4169f7a22a47f1b03457390e105abcf8ebfcc2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Mon, 27 Feb 2017 15:29:10 +0100 Subject: ppc/xics: remove set_nr_irqs() handler from XICSStateClass MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Today, the ICS (Interrupt Controller Source) object is created and realized by the init and realize routines of the XICS object, but some of the parameters are only known at the machine level. These parameters are passed from the sPAPR machine to the ICS object in a rather convoluted way using property handlers and a class handler of the XICS object. The number of irqs required to allocate the IRQ state objects in the ICS realize routine is one of them. Let's simplify the process by creating the ICS object along with the XICS object at the machine level and link the ICS into the XICS list of ICSs at this level also. In the sPAPR machine, there is only a single ICS but that will change with the PowerNV machine. Also, QOMify the creation of the objects and get rid of the superfluous code. Signed-off-by: Cédric Le Goater Signed-off-by: David Gibson --- hw/intc/xics.c | 72 ++++++++++++++++++++++++++-------------------------- hw/intc/xics_kvm.c | 36 +------------------------- hw/intc/xics_spapr.c | 34 ------------------------- 3 files changed, 37 insertions(+), 105 deletions(-) (limited to 'hw/intc') diff --git a/hw/intc/xics.c b/hw/intc/xics.c index 372b831..f00b77a 100644 --- a/hw/intc/xics.c +++ b/hw/intc/xics.c @@ -151,38 +151,6 @@ static void xics_common_reset(DeviceState *d) } } -static void xics_prop_get_nr_irqs(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - XICSState *xics = XICS_COMMON(obj); - int64_t value = xics->nr_irqs; - - visit_type_int(v, name, &value, errp); -} - -static void xics_prop_set_nr_irqs(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - XICSState *xics = XICS_COMMON(obj); - XICSStateClass *info = XICS_COMMON_GET_CLASS(xics); - Error *error = NULL; - int64_t value; - - visit_type_int(v, name, &value, &error); - if (error) { - error_propagate(errp, error); - return; - } - if (xics->nr_irqs) { - error_setg(errp, "Number of interrupts is already set to %u", - xics->nr_irqs); - return; - } - - assert(info->set_nr_irqs); - info->set_nr_irqs(xics, value, errp); -} - void xics_set_nr_servers(XICSState *xics, uint32_t nr_servers, const char *typename, Error **errp) { @@ -241,9 +209,6 @@ static void xics_common_initfn(Object *obj) XICSState *xics = XICS_COMMON(obj); QLIST_INIT(&xics->ics); - object_property_add(obj, "nr_irqs", "int", - xics_prop_get_nr_irqs, xics_prop_set_nr_irqs, - NULL, NULL, NULL); object_property_add(obj, "nr_servers", "int", xics_prop_get_nr_servers, xics_prop_set_nr_servers, NULL, NULL, NULL); @@ -746,12 +711,18 @@ static void ics_simple_realize(DeviceState *dev, Error **errp) ics->qirqs = qemu_allocate_irqs(ics_simple_set_irq, ics, ics->nr_irqs); } +static Property ics_simple_properties[] = { + DEFINE_PROP_UINT32("nr-irqs", ICSState, nr_irqs, 0), + DEFINE_PROP_END_OF_LIST(), +}; + static void ics_simple_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); ICSStateClass *isc = ICS_BASE_CLASS(klass); - dc->realize = ics_simple_realize; + isc->realize = ics_simple_realize; + dc->props = ics_simple_properties; dc->vmsd = &vmstate_ics_simple; dc->reset = ics_simple_reset; isc->post_load = ics_simple_post_load; @@ -769,11 +740,40 @@ static const TypeInfo ics_simple_info = { .instance_init = ics_simple_initfn, }; +static void ics_base_realize(DeviceState *dev, Error **errp) +{ + ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev); + ICSState *ics = ICS_BASE(dev); + Object *obj; + Error *err = NULL; + + obj = object_property_get_link(OBJECT(dev), "xics", &err); + if (!obj) { + error_setg(errp, "%s: required link 'xics' not found: %s", + __func__, error_get_pretty(err)); + return; + } + ics->xics = XICS_COMMON(obj); + + + if (icsc->realize) { + icsc->realize(dev, errp); + } +} + +static void ics_base_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = ics_base_realize; +} + static const TypeInfo ics_base_info = { .name = TYPE_ICS_BASE, .parent = TYPE_DEVICE, .abstract = true, .instance_size = sizeof(ICSState), + .class_init = ics_base_class_init, .class_size = sizeof(ICSStateClass), }; diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 17694ea..e5ab00b 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -308,7 +308,7 @@ static void ics_kvm_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); ICSStateClass *icsc = ICS_BASE_CLASS(klass); - dc->realize = ics_kvm_realize; + icsc->realize = ics_kvm_realize; dc->reset = ics_kvm_reset; icsc->pre_save = ics_get_kvm_state; icsc->post_load = ics_set_kvm_state; @@ -358,18 +358,6 @@ static void xics_kvm_cpu_setup(XICSState *xics, PowerPCCPU *cpu) ss->cap_irq_xics_enabled = true; } -static void xics_kvm_set_nr_irqs(XICSState *xics, uint32_t nr_irqs, - Error **errp) -{ - ICSState *ics = QLIST_FIRST(&xics->ics); - - /* This needs to be deprecated ... */ - xics->nr_irqs = nr_irqs; - if (ics) { - ics->nr_irqs = nr_irqs; - } -} - static void xics_kvm_set_nr_servers(XICSState *xics, uint32_t nr_servers, Error **errp) { @@ -389,7 +377,6 @@ static void xics_kvm_realize(DeviceState *dev, Error **errp) { KVMXICSState *xicskvm = XICS_SPAPR_KVM(dev); XICSState *xics = XICS_COMMON(dev); - ICSState *ics; int i, rc; Error *error = NULL; struct kvm_create_device xics_create_device = { @@ -441,14 +428,6 @@ static void xics_kvm_realize(DeviceState *dev, Error **errp) xicskvm->kernel_xics_fd = xics_create_device.fd; - QLIST_FOREACH(ics, &xics->ics, list) { - object_property_set_bool(OBJECT(ics), true, "realized", &error); - if (error) { - error_propagate(errp, error); - goto fail; - } - } - assert(xics->nr_servers); for (i = 0; i < xics->nr_servers; i++) { object_property_set_bool(OBJECT(&xics->ss[i]), true, "realized", @@ -472,17 +451,6 @@ fail: kvmppc_define_rtas_kernel_token(0, "ibm,int-off"); } -static void xics_kvm_initfn(Object *obj) -{ - XICSState *xics = XICS_COMMON(obj); - ICSState *ics; - - ics = ICS_SIMPLE(object_new(TYPE_ICS_KVM)); - object_property_add_child(obj, "ics", OBJECT(ics), NULL); - ics->xics = xics; - QLIST_INSERT_HEAD(&xics->ics, ics, list); -} - static void xics_kvm_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); @@ -490,7 +458,6 @@ static void xics_kvm_class_init(ObjectClass *oc, void *data) dc->realize = xics_kvm_realize; xsc->cpu_setup = xics_kvm_cpu_setup; - xsc->set_nr_irqs = xics_kvm_set_nr_irqs; xsc->set_nr_servers = xics_kvm_set_nr_servers; } @@ -499,7 +466,6 @@ static const TypeInfo xics_spapr_kvm_info = { .parent = TYPE_XICS_COMMON, .instance_size = sizeof(KVMXICSState), .class_init = xics_kvm_class_init, - .instance_init = xics_kvm_initfn, }; static void xics_kvm_register_types(void) diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c index 2e3f1c5..03e42a8 100644 --- a/hw/intc/xics_spapr.c +++ b/hw/intc/xics_spapr.c @@ -239,18 +239,6 @@ static void rtas_int_on(PowerPCCPU *cpu, sPAPRMachineState *spapr, rtas_st(rets, 0, RTAS_OUT_SUCCESS); } -static void xics_spapr_set_nr_irqs(XICSState *xics, uint32_t nr_irqs, - Error **errp) -{ - ICSState *ics = QLIST_FIRST(&xics->ics); - - /* This needs to be deprecated ... */ - xics->nr_irqs = nr_irqs; - if (ics) { - ics->nr_irqs = nr_irqs; - } -} - static void xics_spapr_set_nr_servers(XICSState *xics, uint32_t nr_servers, Error **errp) { @@ -260,7 +248,6 @@ static void xics_spapr_set_nr_servers(XICSState *xics, uint32_t nr_servers, static void xics_spapr_realize(DeviceState *dev, Error **errp) { XICSState *xics = XICS_SPAPR(dev); - ICSState *ics; Error *error = NULL; int i; @@ -282,14 +269,6 @@ static void xics_spapr_realize(DeviceState *dev, Error **errp) spapr_register_hypercall(H_EOI, h_eoi); spapr_register_hypercall(H_IPOLL, h_ipoll); - QLIST_FOREACH(ics, &xics->ics, list) { - object_property_set_bool(OBJECT(ics), true, "realized", &error); - if (error) { - error_propagate(errp, error); - return; - } - } - for (i = 0; i < xics->nr_servers; i++) { object_property_set_bool(OBJECT(&xics->ss[i]), true, "realized", &error); @@ -300,24 +279,12 @@ static void xics_spapr_realize(DeviceState *dev, Error **errp) } } -static void xics_spapr_initfn(Object *obj) -{ - XICSState *xics = XICS_SPAPR(obj); - ICSState *ics; - - ics = ICS_SIMPLE(object_new(TYPE_ICS_SIMPLE)); - object_property_add_child(obj, "ics", OBJECT(ics), NULL); - ics->xics = xics; - QLIST_INSERT_HEAD(&xics->ics, ics, list); -} - static void xics_spapr_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); XICSStateClass *xsc = XICS_SPAPR_CLASS(oc); dc->realize = xics_spapr_realize; - xsc->set_nr_irqs = xics_spapr_set_nr_irqs; xsc->set_nr_servers = xics_spapr_set_nr_servers; } @@ -327,7 +294,6 @@ static const TypeInfo xics_spapr_info = { .instance_size = sizeof(XICSState), .class_size = sizeof(XICSStateClass), .class_init = xics_spapr_class_init, - .instance_init = xics_spapr_initfn, }; #define ICS_IRQ_FREE(ics, srcno) \ -- cgit v1.1