*/
while (vp_modern_get_status(mdev))
msleep(1);
- /* Disable VQ/configuration callbacks. */
- vp_disable_cbs(vdev);
+ /* Flush pending VQ/configuration callbacks. */
+ vp_synchronize_vectors(vdev);
}
static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector)
for (pos = pci_find_capability(dev, PCI_CAP_ID_VNDR); pos > 0;
pos = pci_find_next_capability(dev, pos, PCI_CAP_ID_VNDR)) {
- u8 type, cap_len, id;
+ u8 type, cap_len, id, res_bar;
u32 tmp32;
u64 res_offset, res_length;
if (id != required_id)
continue;
- /* Type, and ID match, looks good */
pci_read_config_byte(dev, pos + offsetof(struct virtio_pci_cap,
- bar), bar);
+ bar), &res_bar);
+ if (res_bar >= PCI_STD_NUM_BARS)
+ continue;
+
+ /* Type and ID match, and the BAR value isn't reserved.
+ * Looks good.
+ */
/* Read the lower 32bit of length and offset */
pci_read_config_dword(dev, pos + offsetof(struct virtio_pci_cap,
length_hi), &tmp32);
res_length |= ((u64)tmp32) << 32;
+ *bar = res_bar;
*offset = res_offset;
*len = res_length;
}
static const struct virtio_config_ops virtio_pci_config_nodev_ops = {
- .enable_cbs = vp_enable_cbs,
.get = NULL,
.set = NULL,
.generation = vp_generation,
};
static const struct virtio_config_ops virtio_pci_config_ops = {
- .enable_cbs = vp_enable_cbs,
.get = vp_get,
.set = vp_set,
.generation = vp_generation,