[libvirt] [PATCH v4 3/5] Reduce number of parameters to qemuDomainPCIAddressSetCreate
We can as well generate the number of buses inside that function. Fewer
parameters will be useful when recalculating the pci address set on
demand.
---
src/qemu/qemu_domain_address.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index 70b6978..27ad54a 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -917,14 +917,24 @@ qemuDomainValidateDevicePCISlotsChipsets(virDomainDefPtr def,
static virDomainPCIAddressSetPtr
qemuDomainPCIAddressSetCreate(virDomainDefPtr def,
- unsigned int nbuses,
virQEMUCapsPtr qemuCaps,
bool dryRun,
bool assign)
{
virDomainPCIAddressSetPtr addrs;
+ int max_idx = -1;
+ int nbuses = 0;
size_t i;
+ for (i = 0; i < def->ncontrollers; i++) {
+ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) {
+ if ((int) def->controllers[i]->idx > max_idx)
+ max_idx = def->controllers[i]->idx;
+ }
+ }
+
+ nbuses = max_idx + 1;
+
if ((addrs = virDomainPCIAddressSetAlloc(nbuses)) == NULL)
return NULL;
@@ -1493,7 +1503,7 @@ qemuDomainAssignPCIAddresses(virDomainDefPtr def,
virDomainDeviceInfo info;
/* 1st pass to figure out how many PCI bridges we need */
- if (!(addrs = qemuDomainPCIAddressSetCreate(def, nbuses, qemuCaps,
+ if (!(addrs = qemuDomainPCIAddressSetCreate(def, qemuCaps,
true, true)))
goto cleanup;
@@ -1530,7 +1540,6 @@ qemuDomainAssignPCIAddresses(virDomainDefPtr def,
virDomainPCIAddressReserveNextSlot(addrs, &info, flags) < 0)
goto cleanup;
}
- nbuses = addrs->nbuses;
virDomainPCIAddressSetFree(addrs);
addrs = NULL;
@@ -1542,7 +1551,7 @@ qemuDomainAssignPCIAddresses(virDomainDefPtr def,
}
if (qemuDomainSupportsPCI(def, qemuCaps)) {
- if (!(addrs = qemuDomainPCIAddressSetCreate(def, nbuses, qemuCaps,
+ if (!(addrs = qemuDomainPCIAddressSetCreate(def, qemuCaps,
false, true)))
goto cleanup;
--
1.9.1