}
/* Reserve space and add capability to the linked list in pci config space */
-int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, uint8_t size)
+int pci_add_capability_at_offset(PCIDevice *pdev, uint8_t cap_id,
+ uint8_t offset, uint8_t size)
{
- uint8_t offset = pci_find_space(pdev, size);
uint8_t *config = pdev->config + offset;
- if (!offset)
- return -ENOSPC;
config[PCI_CAP_LIST_ID] = cap_id;
config[PCI_CAP_LIST_NEXT] = pdev->config[PCI_CAPABILITY_LIST];
pdev->config[PCI_CAPABILITY_LIST] = offset;
return offset;
}
+/* Find and reserve space and add capability to the linked list
+ * in pci config space */
+int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, uint8_t size)
+{
+ uint8_t offset = pci_find_space(pdev, size);
+ if (!offset) {
+ return -ENOSPC;
+ }
+ return pci_add_capability_at_offset(pdev, cap_id, offset, size);
+}
+
/* Unlink capability from the pci config space. */
void pci_del_capability(PCIDevice *pdev, uint8_t cap_id, uint8_t size)
{
PCIMapIORegionFunc *map_func);
int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
+int pci_add_capability_at_offset(PCIDevice *pci_dev, uint8_t cap_id,
+ uint8_t cap_offset, uint8_t cap_size);
void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);