aboutsummaryrefslogtreecommitdiff
path: root/hw/intc/xics_spapr.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/intc/xics_spapr.c')
-rw-r--r--hw/intc/xics_spapr.c116
1 files changed, 73 insertions, 43 deletions
diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c
index 618826dacf..e8d0623c2c 100644
--- a/hw/intc/xics_spapr.c
+++ b/hw/intc/xics_spapr.c
@@ -113,13 +113,17 @@ static void rtas_set_xive(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
- ICSState *ics = spapr->xics->ics;
- uint32_t nr, server, priority;
+ ICSState *ics = QLIST_FIRST(&spapr->xics->ics);
+ uint32_t nr, srcno, server, priority;
if ((nargs != 3) || (nret != 1)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
+ if (!ics) {
+ rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
+ return;
+ }
nr = rtas_ld(args, 0);
server = xics_get_cpu_index_by_dt_id(rtas_ld(args, 1));
@@ -131,7 +135,8 @@ static void rtas_set_xive(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return;
}
- ics_write_xive(ics, nr, server, priority, priority);
+ srcno = nr - ics->offset;
+ ics_simple_write_xive(ics, srcno, server, priority, priority);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
@@ -141,13 +146,17 @@ static void rtas_get_xive(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
- ICSState *ics = spapr->xics->ics;
- uint32_t nr;
+ ICSState *ics = QLIST_FIRST(&spapr->xics->ics);
+ uint32_t nr, srcno;
if ((nargs != 1) || (nret != 3)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
+ if (!ics) {
+ rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
+ return;
+ }
nr = rtas_ld(args, 0);
@@ -157,8 +166,9 @@ static void rtas_get_xive(PowerPCCPU *cpu, sPAPRMachineState *spapr,
}
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);
+ srcno = nr - ics->offset;
+ rtas_st(rets, 1, ics->irqs[srcno].server);
+ rtas_st(rets, 2, ics->irqs[srcno].priority);
}
static void rtas_int_off(PowerPCCPU *cpu, sPAPRMachineState *spapr,
@@ -166,13 +176,17 @@ static void rtas_int_off(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
- ICSState *ics = spapr->xics->ics;
- uint32_t nr;
+ ICSState *ics = QLIST_FIRST(&spapr->xics->ics);
+ uint32_t nr, srcno;
if ((nargs != 1) || (nret != 1)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
+ if (!ics) {
+ rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
+ return;
+ }
nr = rtas_ld(args, 0);
@@ -181,8 +195,9 @@ static void rtas_int_off(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return;
}
- ics_write_xive(ics, nr, ics->irqs[nr - ics->offset].server, 0xff,
- ics->irqs[nr - ics->offset].priority);
+ srcno = nr - ics->offset;
+ ics_simple_write_xive(ics, srcno, ics->irqs[srcno].server, 0xff,
+ ics->irqs[srcno].priority);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
@@ -192,13 +207,17 @@ static void rtas_int_on(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
- ICSState *ics = spapr->xics->ics;
- uint32_t nr;
+ ICSState *ics = QLIST_FIRST(&spapr->xics->ics);
+ uint32_t nr, srcno;
if ((nargs != 1) || (nret != 1)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
+ if (!ics) {
+ rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
+ return;
+ }
nr = rtas_ld(args, 0);
@@ -207,9 +226,10 @@ static void rtas_int_on(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return;
}
- ics_write_xive(ics, nr, ics->irqs[nr - ics->offset].server,
- ics->irqs[nr - ics->offset].saved_priority,
- ics->irqs[nr - ics->offset].saved_priority);
+ srcno = nr - ics->offset;
+ ics_simple_write_xive(ics, srcno, ics->irqs[srcno].server,
+ ics->irqs[srcno].saved_priority,
+ ics->irqs[srcno].saved_priority);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
@@ -217,7 +237,13 @@ static void rtas_int_on(PowerPCCPU *cpu, sPAPRMachineState *spapr,
static void xics_spapr_set_nr_irqs(XICSState *xics, uint32_t nr_irqs,
Error **errp)
{
- xics->nr_irqs = xics->ics->nr_irqs = nr_irqs;
+ 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,
@@ -240,6 +266,7 @@ 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;
@@ -261,10 +288,12 @@ static void xics_spapr_realize(DeviceState *dev, Error **errp)
spapr_register_hypercall(H_EOI, h_eoi);
spapr_register_hypercall(H_IPOLL, h_ipoll);
- object_property_set_bool(OBJECT(xics->ics), true, "realized", &error);
- if (error) {
- error_propagate(errp, error);
- return;
+ 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++) {
@@ -280,10 +309,12 @@ static void xics_spapr_realize(DeviceState *dev, Error **errp)
static void xics_spapr_initfn(Object *obj)
{
XICSState *xics = XICS_SPAPR(obj);
+ ICSState *ics;
- xics->ics = ICS(object_new(TYPE_ICS));
- object_property_add_child(obj, "ics", OBJECT(xics->ics), NULL);
- xics->ics->xics = xics;
+ 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)
@@ -329,14 +360,15 @@ static int ics_find_free_block(ICSState *ics, int num, int alignnum)
return -1;
}
-int xics_spapr_alloc(XICSState *xics, int src, int irq_hint, bool lsi,
- Error **errp)
+int xics_spapr_alloc(XICSState *xics, int irq_hint, bool lsi, Error **errp)
{
- ICSState *ics = &xics->ics[src];
+ ICSState *ics = QLIST_FIRST(&xics->ics);
int irq;
+ if (!ics) {
+ return -1;
+ }
if (irq_hint) {
- assert(src == xics_find_source(xics, irq_hint));
if (!ICS_IRQ_FREE(ics, irq_hint - ics->offset)) {
error_setg(errp, "can't allocate IRQ %d: already in use", irq_hint);
return -1;
@@ -352,7 +384,7 @@ int xics_spapr_alloc(XICSState *xics, int src, int irq_hint, bool lsi,
}
ics_set_irq_type(ics, irq - ics->offset, lsi);
- trace_xics_alloc(src, irq);
+ trace_xics_alloc(irq);
return irq;
}
@@ -361,13 +393,16 @@ int xics_spapr_alloc(XICSState *xics, int src, int irq_hint, bool lsi,
* Allocate block of consecutive IRQs, and return the number of the first IRQ in
* the block. If align==true, aligns the first IRQ number to num.
*/
-int xics_spapr_alloc_block(XICSState *xics, int src, int num, bool lsi,
- bool align, Error **errp)
+int xics_spapr_alloc_block(XICSState *xics, int num, bool lsi, bool align,
+ Error **errp)
{
+ ICSState *ics = QLIST_FIRST(&xics->ics);
int i, first = -1;
- ICSState *ics = &xics->ics[src];
- assert(src == 0);
+ if (!ics) {
+ return -1;
+ }
+
/*
* MSIMesage::data is used for storing VIRQ so
* it has to be aligned to num to support multiple
@@ -394,7 +429,7 @@ int xics_spapr_alloc_block(XICSState *xics, int src, int num, bool lsi,
}
first += ics->offset;
- trace_xics_alloc_block(src, first, num, lsi, align);
+ trace_xics_alloc_block(first, num, lsi, align);
return first;
}
@@ -405,7 +440,7 @@ static void ics_free(ICSState *ics, int srcno, int num)
for (i = srcno; i < srcno + num; ++i) {
if (ICS_IRQ_FREE(ics, i)) {
- trace_xics_ics_free_warn(ics - ics->xics->ics, i + ics->offset);
+ trace_xics_ics_free_warn(0, i + ics->offset);
}
memset(&ics->irqs[i], 0, sizeof(ICSIRQState));
}
@@ -413,15 +448,10 @@ static void ics_free(ICSState *ics, int srcno, int num)
void xics_spapr_free(XICSState *xics, int irq, int num)
{
- int src = xics_find_source(xics, irq);
-
- if (src >= 0) {
- ICSState *ics = &xics->ics[src];
-
- /* FIXME: implement multiple sources */
- assert(src == 0);
+ ICSState *ics = xics_find_source(xics, irq);
- trace_xics_ics_free(ics - xics->ics, irq, num);
+ if (ics) {
+ trace_xics_ics_free(0, irq, num);
ics_free(ics, irq - ics->offset, num);
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-21 06:03:23 +0000