summaryrefslogtreecommitdiff
path: root/hw/ppc
diff options
context:
space:
mode:
authorCédric Le Goater <clg@kaod.org>2018-08-10 10:00:26 +0200
committerDavid Gibson <david@gibson.dropbear.id.au>2018-08-21 14:28:45 +1000
commit2c88b098e76fde0c7fcc0476dd3f80ce58409505 (patch)
treeb8493993d969a8e64512b0d3f31b5d69ed54ba19 /hw/ppc
parent74887ed918a666695d11e717e6f1721139cee1ea (diff)
downloadqemu-2c88b098e76fde0c7fcc0476dd3f80ce58409505.zip
spapr_pci: factorize the use of SPAPR_MACHINE_GET_CLASS()
It should save us some CPU cycles as these routines perform a lot of checks. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/ppc')
-rw-r--r--hw/ppc/spapr_pci.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 3791ced6c5..5cd676e443 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -267,6 +267,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong args, uint32_t nret,
target_ulong rets)
{
+ sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
uint32_t config_addr = rtas_ld(args, 0);
uint64_t buid = rtas_ldq(args, 1);
unsigned int func = rtas_ld(args, 3);
@@ -334,7 +335,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return;
}
- if (!SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
+ if (!smc->legacy_irq_allocation) {
spapr_irq_msi_free(spapr, msi->first_irq, msi->num);
}
spapr_irq_free(spapr, msi->first_irq, msi->num);
@@ -375,7 +376,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
}
/* Allocate MSIs */
- if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
+ if (smc->legacy_irq_allocation) {
irq = spapr_irq_find(spapr, req_num, ret_intr_type == RTAS_TYPE_MSI,
&err);
} else {
@@ -401,7 +402,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
/* Release previous MSIs */
if (msi) {
- if (!SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
+ if (!smc->legacy_irq_allocation) {
spapr_irq_msi_free(spapr, msi->first_irq, msi->num);
}
spapr_irq_free(spapr, msi->first_irq, msi->num);
@@ -1558,6 +1559,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
sPAPRMachineState *spapr =
(sPAPRMachineState *) object_dynamic_cast(qdev_get_machine(),
TYPE_SPAPR_MACHINE);
+ sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
SysBusDevice *s = SYS_BUS_DEVICE(dev);
sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
PCIHostState *phb = PCI_HOST_BRIDGE(s);
@@ -1575,7 +1577,6 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
}
if (sphb->index != (uint32_t)-1) {
- sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
Error *local_err = NULL;
smc->phb_placement(spapr, sphb->index,
@@ -1720,7 +1721,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
uint32_t irq = SPAPR_IRQ_PCI_LSI + sphb->index * PCI_NUM_PINS + i;
Error *local_err = NULL;
- if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
+ if (smc->legacy_irq_allocation) {
irq = spapr_irq_findone(spapr, &local_err);
if (local_err) {
error_propagate(errp, local_err);