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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-12 14:08:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-12 14:08:35 +0300 |
| commit | 4a12f38e23d10a5dbad6cce0abaadd10e5a1aa68 (patch) | |
| tree | 533208f5479c17b9a7c162a425a967c7a7edf46b /include/linux/pci-ep-msi.h | |
| parent | 0d2f2f4f27694a2214701e7482ab7599ce4e5e77 (diff) | |
| parent | 449d48b1b99fdaa076166e200132705ac2bee711 (diff) | |
| download | linux-rolling-stable.tar.xz | |
Merge v6.17.2linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/pci-ep-msi.h')
| -rw-r--r-- | include/linux/pci-ep-msi.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/pci-ep-msi.h b/include/linux/pci-ep-msi.h new file mode 100644 index 000000000000..7c5db90f9620 --- /dev/null +++ b/include/linux/pci-ep-msi.h @@ -0,0 +1,28 @@ +/* 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__ */ |