| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * PCI Endpoint *Function* side MSI header file |
| * |
| * Copyright (C) 2024 NXP |
| * Author: Frank Li <Frank.Li@nxp.com> |
| */ |
| |
| #ifndef __PCI_EP_MSI__ |
| #define __PCI_EP_MSI__ |
| |
| struct pci_epf; |
| |
| #ifdef CONFIG_PCI_ENDPOINT_MSI_DOORBELL |
| int pci_epf_alloc_doorbell(struct pci_epf *epf, u16 nums); |
| void pci_epf_free_doorbell(struct pci_epf *epf); |
| #else |
| static inline int pci_epf_alloc_doorbell(struct pci_epf *epf, u16 nums) |
| { |
| return -ENODATA; |
| } |
| |
| static inline void pci_epf_free_doorbell(struct pci_epf *epf) |
| { |
| } |
| #endif /* CONFIG_GENERIC_MSI_IRQ */ |
| |
| #endif /* __PCI_EP_MSI__ */ |