Rename check_irqchip_in_kernel() to verify_irqchip_in_kernel(), so that
the name reflects our expectation better. Rather than returning a bool,
make it do nothing or set an Error.
Signed-off-by: Laszlo Ersek <ler...@redhat.com>
---
hw/i386/kvm/pci-assign.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index 997ef09..b4696aa 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -839,34 +839,36 @@ static int assign_device(AssignedDevice *dev)
}
}
return r;
}
-static bool check_irqchip_in_kernel(void)
+static void verify_irqchip_in_kernel(Error **errp)
{
if (kvm_irqchip_in_kernel()) {
- return true;
+ return;
}
- error_report("pci-assign: error: requires KVM with in-kernel irqchip "
- "enabled");
- return false;
+ error_setg(errp, "pci-assign requires KVM with in-kernel irqchip enabled");
}
static int assign_intx(AssignedDevice *dev)
{
AssignedIRQType new_type;
PCIINTxRoute intx_route;
bool intx_host_msi;
int r;
+ Error *local_err = NULL;
/* Interrupt PIN 0 means don't use INTx */
if (assigned_dev_pci_read_byte(&dev->dev, PCI_INTERRUPT_PIN) == 0) {
pci_device_set_intx_routing_notifier(&dev->dev, NULL);
return 0;
}
- if (!check_irqchip_in_kernel()) {
+ verify_irqchip_in_kernel(&local_err);
+ if (local_err) {
+ error_report("%s", error_get_pretty(local_err));
+ error_free(local_err);
return -ENOTSUP;
}
pci_device_set_intx_routing_notifier(&dev->dev,
assigned_dev_update_irq_routing);
@@ -1239,10 +1241,11 @@ static void assigned_dev_setup_cap_read(AssignedDevice
*dev, uint32_t offset,
static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
{
AssignedDevice *dev = DO_UPCAST(AssignedDevice, dev, pci_dev);
PCIRegion *pci_region = dev->real_device.regions;
int ret, pos;
+ Error *local_err = NULL;
/* Clear initial capabilities pointer and status copied from hw */
pci_set_byte(pci_dev->config + PCI_CAPABILITY_LIST, 0);
pci_set_word(pci_dev->config + PCI_STATUS,
pci_get_word(pci_dev->config + PCI_STATUS) &
@@ -1250,11 +1253,14 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev)
/* Expose MSI capability
* MSI capability is the 1st capability in capability config */
pos = pci_find_cap_offset(pci_dev, PCI_CAP_ID_MSI, 0);
if (pos != 0 && kvm_check_extension(kvm_state, KVM_CAP_ASSIGN_DEV_IRQ)) {
- if (!check_irqchip_in_kernel()) {
+ verify_irqchip_in_kernel(&local_err);
+ if (local_err) {
+ error_report("%s", error_get_pretty(local_err));
+ error_free(local_err);
return -ENOTSUP;
}
dev->cap.available |= ASSIGNED_DEVICE_CAP_MSI;
/* Only 32-bit/no-mask currently supported */
ret = pci_add_capability(pci_dev, PCI_CAP_ID_MSI, pos, 10);
@@ -1279,11 +1285,14 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev)
pos = pci_find_cap_offset(pci_dev, PCI_CAP_ID_MSIX, 0);
if (pos != 0 && kvm_device_msix_supported(kvm_state)) {
int bar_nr;
uint32_t msix_table_entry;
- if (!check_irqchip_in_kernel()) {
+ verify_irqchip_in_kernel(&local_err);
+ if (local_err) {
+ error_report("%s", error_get_pretty(local_err));
+ error_free(local_err);
return -ENOTSUP;
}
dev->cap.available |= ASSIGNED_DEVICE_CAP_MSIX;
ret = pci_add_capability(pci_dev, PCI_CAP_ID_MSIX, pos, 12);
if (ret < 0) {
--
1.8.3.1
