vfio-pci: Remove setting of MSI qsize
This was a misinterpretation of the spec, hardware doesn't get to specify how many were actually enabled through this field. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
parent
5976cdd58b
commit
9b1e45c8f1
|
@ -508,20 +508,6 @@ static MSIMessage msi_get_msg(PCIDevice *pdev, unsigned int vector)
|
|||
return msg;
|
||||
}
|
||||
|
||||
/* So should this */
|
||||
static void msi_set_qsize(PCIDevice *pdev, uint8_t size)
|
||||
{
|
||||
uint8_t *config = pdev->config + pdev->msi_cap;
|
||||
uint16_t flags;
|
||||
|
||||
flags = pci_get_word(config + PCI_MSI_FLAGS);
|
||||
flags = le16_to_cpu(flags);
|
||||
flags &= ~PCI_MSI_FLAGS_QSIZE;
|
||||
flags |= (size & 0x7) << 4;
|
||||
flags = cpu_to_le16(flags);
|
||||
pci_set_word(config + PCI_MSI_FLAGS, flags);
|
||||
}
|
||||
|
||||
static void vfio_enable_msix(VFIODevice *vdev)
|
||||
{
|
||||
vfio_disable_interrupts(vdev);
|
||||
|
@ -609,8 +595,6 @@ retry:
|
|||
return;
|
||||
}
|
||||
|
||||
msi_set_qsize(&vdev->pdev, vdev->nr_vectors);
|
||||
|
||||
vdev->interrupt = VFIO_INT_MSI;
|
||||
|
||||
DPRINTF("%s(%04x:%02x:%02x.%x) Enabled %d MSI vectors\n", __func__,
|
||||
|
@ -671,8 +655,6 @@ static void vfio_disable_msi(VFIODevice *vdev)
|
|||
|
||||
vfio_disable_msi_common(vdev);
|
||||
|
||||
msi_set_qsize(&vdev->pdev, 0); /* Actually still means 1 vector */
|
||||
|
||||
DPRINTF("%s(%04x:%02x:%02x.%x)\n", __func__, vdev->host.domain,
|
||||
vdev->host.bus, vdev->host.slot, vdev->host.function);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue