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msi: Use msi/msix_present more consistently 

Replace some open-coded msi/msix_present checks.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jan Kiszka 2012-06-04 16:53:48 +02:00 committed by Michael S. Tsirkin
parent 95d6580024
commit 44701ab71a
2 changed files with 9 additions and 6 deletions
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2
hw/msi.c
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@ -175,7 +175,7 @@ void msi_uninit(struct PCIDevice *dev)
uint16_t flags;
uint8_t cap_size;
if (!(dev->cap_present & QEMU_PCI_CAP_MSI)) {
if (!msi_present(dev)) {
return;
}
flags = pci_get_word(dev->config + msi_flags_off(dev));

13
hw/msix.c
View File

@ -319,8 +319,9 @@ static void msix_free_irq_entries(PCIDevice *dev)
/* Clean up resources for the device. */
int msix_uninit(PCIDevice *dev, MemoryRegion *bar)
{
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
if (!msix_present(dev)) {
return 0;
}
pci_del_capability(dev, PCI_CAP_ID_MSIX, MSIX_CAP_LENGTH);
dev->msix_cap = 0;
msix_free_irq_entries(dev);
@ -339,7 +340,7 @@ void msix_save(PCIDevice *dev, QEMUFile *f)
{
unsigned n = dev->msix_entries_nr;
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
if (!msix_present(dev)) {
return;
}
@ -353,7 +354,7 @@ void msix_load(PCIDevice *dev, QEMUFile *f)
unsigned n = dev->msix_entries_nr;
unsigned int vector;
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
if (!msix_present(dev)) {
return;
}
@ -407,8 +408,9 @@ void msix_notify(PCIDevice *dev, unsigned vector)
void msix_reset(PCIDevice *dev)
{
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
if (!msix_present(dev)) {
return;
}
msix_free_irq_entries(dev);
dev->config[dev->msix_cap + MSIX_CONTROL_OFFSET] &=
~dev->wmask[dev->msix_cap + MSIX_CONTROL_OFFSET];
@ -447,8 +449,9 @@ void msix_vector_unuse(PCIDevice *dev, unsigned vector)
void msix_unuse_all_vectors(PCIDevice *dev)
{
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
if (!msix_present(dev)) {
return;
}
msix_free_irq_entries(dev);
}