Pci Encryption/decryption Controller File
// 7. Start operation pci_write32(bar, CONTROL, 0x2); // GO bit
// 8. Wait for STATUS.DONE (poll or interrupt) while ((pci_read32(bar, STATUS) & 0x2) == 0); pci encryption/decryption controller
// 5. Write IV (12 bytes) pci_write_burst(bar, IV, iv, 12); // 7. Start operation pci_write32(bar