#include "hw/hw.h"
#include "trace.h"
+#include "qemu/timer.h"
#include "hw/ppc/spapr.h"
#include "hw/ppc/xics.h"
+#include "qemu/error-report.h"
+#include "qapi/visitor.h"
+
+void xics_cpu_setup(XICSState *icp, PowerPCCPU *cpu)
+{
+ CPUState *cs = CPU(cpu);
+ CPUPPCState *env = &cpu->env;
+ ICPState *ss = &icp->ss[cs->cpu_index];
+ XICSStateClass *info = XICS_COMMON_GET_CLASS(icp);
+
+ assert(cs->cpu_index < icp->nr_servers);
+
+ if (info->cpu_setup) {
+ info->cpu_setup(icp, cpu);
+ }
+
+ switch (PPC_INPUT(env)) {
+ case PPC_FLAGS_INPUT_POWER7:
+ ss->output = env->irq_inputs[POWER7_INPUT_INT];
+ break;
+
+ case PPC_FLAGS_INPUT_970:
+ ss->output = env->irq_inputs[PPC970_INPUT_INT];
+ break;
+
+ default:
+ error_report("XICS interrupt controller does not support this CPU "
+ "bus model");
+ abort();
+ }
+}
+
+/*
+ * XICS Common class - parent for emulated XICS and KVM-XICS
+ */
+static void xics_common_reset(DeviceState *d)
+{
+ XICSState *icp = XICS_COMMON(d);
+ int i;
+
+ for (i = 0; i < icp->nr_servers; i++) {
+ device_reset(DEVICE(&icp->ss[i]));
+ }
+
+ device_reset(DEVICE(icp->ics));
+}
+
+static void xics_prop_get_nr_irqs(Object *obj, Visitor *v,
+ void *opaque, const char *name, Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ int64_t value = icp->nr_irqs;
+
+ visit_type_int(v, &value, name, errp);
+}
+
+static void xics_prop_set_nr_irqs(Object *obj, Visitor *v,
+ void *opaque, const char *name, Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ XICSStateClass *info = XICS_COMMON_GET_CLASS(icp);
+ Error *error = NULL;
+ int64_t value;
+
+ visit_type_int(v, &value, name, &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
+ if (icp->nr_irqs) {
+ error_setg(errp, "Number of interrupts is already set to %u",
+ icp->nr_irqs);
+ return;
+ }
+
+ assert(info->set_nr_irqs);
+ assert(icp->ics);
+ info->set_nr_irqs(icp, value, errp);
+}
+
+static void xics_prop_get_nr_servers(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ int64_t value = icp->nr_servers;
+
+ visit_type_int(v, &value, name, errp);
+}
+
+static void xics_prop_set_nr_servers(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ XICSStateClass *info = XICS_COMMON_GET_CLASS(icp);
+ Error *error = NULL;
+ int64_t value;
+
+ visit_type_int(v, &value, name, &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
+ if (icp->nr_servers) {
+ error_setg(errp, "Number of servers is already set to %u",
+ icp->nr_servers);
+ return;
+ }
+
+ assert(info->set_nr_servers);
+ info->set_nr_servers(icp, value, errp);
+}
+
+static void xics_common_initfn(Object *obj)
+{
+ 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);
+}
+
+static void xics_common_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->reset = xics_common_reset;
+}
+
+static const TypeInfo xics_common_info = {
+ .name = TYPE_XICS_COMMON,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(XICSState),
+ .class_size = sizeof(XICSStateClass),
+ .instance_init = xics_common_initfn,
+ .class_init = xics_common_class_init,
+};
/*
* ICP: Presentation layer
}
}
+static void icp_dispatch_pre_save(void *opaque)
+{
+ ICPState *ss = opaque;
+ ICPStateClass *info = ICP_GET_CLASS(ss);
+
+ if (info->pre_save) {
+ info->pre_save(ss);
+ }
+}
+
+static int icp_dispatch_post_load(void *opaque, int version_id)
+{
+ ICPState *ss = opaque;
+ ICPStateClass *info = ICP_GET_CLASS(ss);
+
+ if (info->post_load) {
+ return info->post_load(ss, version_id);
+ }
+
+ return 0;
+}
+
static const VMStateDescription vmstate_icp_server = {
.name = "icp/server",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
+ .pre_save = icp_dispatch_pre_save,
+ .post_load = icp_dispatch_post_load,
.fields = (VMStateField []) {
/* Sanity check */
VMSTATE_UINT32(xirr, ICPState),
dc->vmsd = &vmstate_icp_server;
}
-static TypeInfo icp_info = {
+static const TypeInfo icp_info = {
.name = TYPE_ICP,
.parent = TYPE_DEVICE,
.instance_size = sizeof(ICPState),
.class_init = icp_class_init,
+ .class_size = sizeof(ICPStateClass),
};
/*
}
}
-static int ics_post_load(void *opaque, int version_id)
+static int ics_post_load(ICSState *ics, int version_id)
{
int i;
- ICSState *ics = opaque;
for (i = 0; i < ics->icp->nr_servers; i++) {
icp_resend(ics->icp, i);
return 0;
}
+static void ics_dispatch_pre_save(void *opaque)
+{
+ ICSState *ics = opaque;
+ ICSStateClass *info = ICS_GET_CLASS(ics);
+
+ if (info->pre_save) {
+ info->pre_save(ics);
+ }
+}
+
+static int ics_dispatch_post_load(void *opaque, int version_id)
+{
+ ICSState *ics = opaque;
+ ICSStateClass *info = ICS_GET_CLASS(ics);
+
+ if (info->post_load) {
+ return info->post_load(ics, version_id);
+ }
+
+ return 0;
+}
+
static const VMStateDescription vmstate_ics_irq = {
.name = "ics/irq",
.version_id = 1,
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
- .post_load = ics_post_load,
+ .pre_save = ics_dispatch_pre_save,
+ .post_load = ics_dispatch_post_load,
.fields = (VMStateField []) {
/* Sanity check */
VMSTATE_UINT32_EQUAL(nr_irqs, ICSState),
},
};
-static int ics_realize(DeviceState *dev)
+static void ics_initfn(Object *obj)
+{
+ ICSState *ics = ICS(obj);
+
+ ics->offset = XICS_IRQ_BASE;
+}
+
+static void ics_realize(DeviceState *dev, Error **errp)
{
ICSState *ics = ICS(dev);
+ if (!ics->nr_irqs) {
+ error_setg(errp, "Number of interrupts needs to be greater 0");
+ return;
+ }
ics->irqs = g_malloc0(ics->nr_irqs * sizeof(ICSIRQState));
ics->islsi = g_malloc0(ics->nr_irqs * sizeof(bool));
ics->qirqs = qemu_allocate_irqs(ics_set_irq, ics, ics->nr_irqs);
-
- return 0;
}
static void ics_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
+ ICSStateClass *isc = ICS_CLASS(klass);
- dc->init = ics_realize;
+ dc->realize = ics_realize;
dc->vmsd = &vmstate_ics;
dc->reset = ics_reset;
+ isc->post_load = ics_post_load;
}
-static TypeInfo ics_info = {
+static const TypeInfo ics_info = {
.name = TYPE_ICS,
.parent = TYPE_DEVICE,
.instance_size = sizeof(ICSState),
.class_init = ics_class_init,
+ .class_size = sizeof(ICSStateClass),
+ .instance_init = ics_initfn,
};
/*
return H_SUCCESS;
}
+static target_ulong h_xirr_x(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ CPUState *cs = CPU(cpu);
+ ICPState *ss = &spapr->icp->ss[cs->cpu_index];
+ uint32_t xirr = icp_accept(ss);
+
+ args[0] = xirr;
+ args[1] = cpu_get_real_ticks();
+ return H_SUCCESS;
+}
+
static target_ulong h_eoi(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
return H_SUCCESS;
}
+static target_ulong h_ipoll(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ CPUState *cs = CPU(cpu);
+ ICPState *ss = &spapr->icp->ss[cs->cpu_index];
+
+ args[0] = ss->xirr;
+ args[1] = ss->mfrr;
+
+ return H_SUCCESS;
+}
+
static void rtas_set_xive(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nr, server, priority;
if ((nargs != 3) || (nret != 1)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
if (!ics_valid_irq(ics, nr) || (server >= ics->icp->nr_servers)
|| (priority > 0xff)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
ics_write_xive(ics, nr, server, priority, priority);
- rtas_st(rets, 0, 0); /* Success */
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void rtas_get_xive(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t nr;
if ((nargs != 1) || (nret != 3)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
nr = rtas_ld(args, 0);
if (!ics_valid_irq(ics, nr)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
- rtas_st(rets, 0, 0); /* Success */
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
rtas_st(rets, 1, ics->irqs[nr - ics->offset].server);
rtas_st(rets, 2, ics->irqs[nr - ics->offset].priority);
}
uint32_t nr;
if ((nargs != 1) || (nret != 1)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
nr = rtas_ld(args, 0);
if (!ics_valid_irq(ics, nr)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
ics_write_xive(ics, nr, ics->irqs[nr - ics->offset].server, 0xff,
ics->irqs[nr - ics->offset].priority);
- rtas_st(rets, 0, 0); /* Success */
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void rtas_int_on(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t nr;
if ((nargs != 1) || (nret != 1)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
nr = rtas_ld(args, 0);
if (!ics_valid_irq(ics, nr)) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
ics->irqs[nr - ics->offset].saved_priority,
ics->irqs[nr - ics->offset].saved_priority);
- rtas_st(rets, 0, 0); /* Success */
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
/*
* XICS
*/
-static void xics_reset(DeviceState *d)
+static void xics_set_nr_irqs(XICSState *icp, uint32_t nr_irqs, Error **errp)
{
- XICSState *icp = XICS(d);
- int i;
-
- for (i = 0; i < icp->nr_servers; i++) {
- device_reset(DEVICE(&icp->ss[i]));
- }
-
- device_reset(DEVICE(icp->ics));
+ icp->nr_irqs = icp->ics->nr_irqs = nr_irqs;
}
-void xics_cpu_setup(XICSState *icp, PowerPCCPU *cpu)
+static void xics_set_nr_servers(XICSState *icp, uint32_t nr_servers,
+ Error **errp)
{
- CPUState *cs = CPU(cpu);
- CPUPPCState *env = &cpu->env;
- ICPState *ss = &icp->ss[cs->cpu_index];
-
- assert(cs->cpu_index < icp->nr_servers);
-
- switch (PPC_INPUT(env)) {
- case PPC_FLAGS_INPUT_POWER7:
- ss->output = env->irq_inputs[POWER7_INPUT_INT];
- break;
+ int i;
- case PPC_FLAGS_INPUT_970:
- ss->output = env->irq_inputs[PPC970_INPUT_INT];
- break;
+ icp->nr_servers = nr_servers;
- default:
- fprintf(stderr, "XICS interrupt controller does not support this CPU "
- "bus model\n");
- abort();
+ icp->ss = g_malloc0(icp->nr_servers*sizeof(ICPState));
+ for (i = 0; i < icp->nr_servers; i++) {
+ char buffer[32];
+ object_initialize(&icp->ss[i], sizeof(icp->ss[i]), TYPE_ICP);
+ snprintf(buffer, sizeof(buffer), "icp[%d]", i);
+ object_property_add_child(OBJECT(icp), buffer, OBJECT(&icp->ss[i]),
+ errp);
}
}
static void xics_realize(DeviceState *dev, Error **errp)
{
XICSState *icp = XICS(dev);
- ICSState *ics = icp->ics;
+ Error *error = NULL;
int i;
- ics->nr_irqs = icp->nr_irqs;
- ics->offset = XICS_IRQ_BASE;
- ics->icp = icp;
- qdev_init_nofail(DEVICE(ics));
+ if (!icp->nr_servers) {
+ error_setg(errp, "Number of servers needs to be greater 0");
+ return;
+ }
+
+ /* Registration of global state belongs into realize */
+ spapr_rtas_register("ibm,set-xive", rtas_set_xive);
+ spapr_rtas_register("ibm,get-xive", rtas_get_xive);
+ spapr_rtas_register("ibm,int-off", rtas_int_off);
+ spapr_rtas_register("ibm,int-on", rtas_int_on);
+
+ spapr_register_hypercall(H_CPPR, h_cppr);
+ spapr_register_hypercall(H_IPI, h_ipi);
+ spapr_register_hypercall(H_XIRR, h_xirr);
+ spapr_register_hypercall(H_XIRR_X, h_xirr_x);
+ spapr_register_hypercall(H_EOI, h_eoi);
+ spapr_register_hypercall(H_IPOLL, h_ipoll);
+
+ object_property_set_bool(OBJECT(icp->ics), true, "realized", &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
- icp->ss = g_malloc0(icp->nr_servers*sizeof(ICPState));
for (i = 0; i < icp->nr_servers; i++) {
- char buffer[32];
- object_initialize(&icp->ss[i], sizeof(icp->ss[i]), TYPE_ICP);
- snprintf(buffer, sizeof(buffer), "icp[%d]", i);
- object_property_add_child(OBJECT(icp), buffer, OBJECT(&icp->ss[i]), NULL);
- qdev_init_nofail(DEVICE(&icp->ss[i]));
+ object_property_set_bool(OBJECT(&icp->ss[i]), true, "realized", &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
}
}
xics->ics = ICS(object_new(TYPE_ICS));
object_property_add_child(obj, "ics", OBJECT(xics->ics), NULL);
+ xics->ics->icp = xics;
}
-static Property xics_properties[] = {
- DEFINE_PROP_UINT32("nr_servers", XICSState, nr_servers, -1),
- DEFINE_PROP_UINT32("nr_irqs", XICSState, nr_irqs, -1),
- DEFINE_PROP_END_OF_LIST(),
-};
-
static void xics_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
+ XICSStateClass *xsc = XICS_CLASS(oc);
dc->realize = xics_realize;
- dc->props = xics_properties;
- dc->reset = xics_reset;
-
- spapr_rtas_register("ibm,set-xive", rtas_set_xive);
- spapr_rtas_register("ibm,get-xive", rtas_get_xive);
- spapr_rtas_register("ibm,int-off", rtas_int_off);
- spapr_rtas_register("ibm,int-on", rtas_int_on);
-
- spapr_register_hypercall(H_CPPR, h_cppr);
- spapr_register_hypercall(H_IPI, h_ipi);
- spapr_register_hypercall(H_XIRR, h_xirr);
- spapr_register_hypercall(H_EOI, h_eoi);
+ xsc->set_nr_irqs = xics_set_nr_irqs;
+ xsc->set_nr_servers = xics_set_nr_servers;
}
static const TypeInfo xics_info = {
.name = TYPE_XICS,
- .parent = TYPE_SYS_BUS_DEVICE,
+ .parent = TYPE_XICS_COMMON,
.instance_size = sizeof(XICSState),
+ .class_size = sizeof(XICSStateClass),
.class_init = xics_class_init,
.instance_init = xics_initfn,
};
static void xics_register_types(void)
{
+ type_register_static(&xics_common_info);
type_register_static(&xics_info);
type_register_static(&ics_info);
type_register_static(&icp_info);
projects / qemu.git / blobdiff