int pcie_cap_init(PCIDevice *dev, uint8_t offset, uint8_t type, uint8_t port) { /* PCIe cap v2 init */ int pos; uint8_t *exp_cap; assert(pci_is_express(dev)); pos = pci_add_capability(dev, PCI_CAP_ID_EXP, offset, PCI_EXP_VER2_SIZEOF); if (pos < 0) { return pos; } dev->exp.exp_cap = pos; exp_cap = dev->config + pos; /* Filling values common with v1 */ pcie_cap_v1_fill(exp_cap, port, type, PCI_EXP_FLAGS_VER2); /* Filling v2 specific values */ pci_set_long(exp_cap + PCI_EXP_DEVCAP2, PCI_EXP_DEVCAP2_EFF | PCI_EXP_DEVCAP2_EETLPP); pci_set_word(dev->wmask + pos + PCI_EXP_DEVCTL2, PCI_EXP_DEVCTL2_EETLPPB); return pos; }