| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _LINUX_VIRTIO_PCI_LEGACY_H |
| 3 | #define _LINUX_VIRTIO_PCI_LEGACY_H |
| 4 | |
| 5 | #include "linux/mod_devicetable.h" |
| 6 | #include <linux/pci.h> |
| 7 | #include <linux/virtio_pci.h> |
| 8 | |
| 9 | struct virtio_pci_legacy_device { |
| 10 | struct pci_dev *pci_dev; |
| 11 | |
| 12 | /* Where to read and clear interrupt */ |
| 13 | u8 __iomem *isr; |
| 14 | /* The IO mapping for the PCI config space (legacy mode only) */ |
| 15 | void __iomem *ioaddr; |
| 16 | |
| 17 | struct virtio_device_id id; |
| 18 | }; |
| 19 | |
| 20 | u64 vp_legacy_get_features(struct virtio_pci_legacy_device *ldev); |
| 21 | u64 vp_legacy_get_driver_features(struct virtio_pci_legacy_device *ldev); |
| 22 | void vp_legacy_set_features(struct virtio_pci_legacy_device *ldev, |
| 23 | u32 features); |
| 24 | u8 vp_legacy_get_status(struct virtio_pci_legacy_device *ldev); |
| 25 | void vp_legacy_set_status(struct virtio_pci_legacy_device *ldev, |
| 26 | u8 status); |
| 27 | u16 vp_legacy_queue_vector(struct virtio_pci_legacy_device *ldev, |
| 28 | u16 idx, u16 vector); |
| 29 | u16 vp_legacy_config_vector(struct virtio_pci_legacy_device *ldev, |
| 30 | u16 vector); |
| 31 | void vp_legacy_set_queue_address(struct virtio_pci_legacy_device *ldev, |
| 32 | u16 index, u32 queue_pfn); |
| 33 | bool vp_legacy_get_queue_enable(struct virtio_pci_legacy_device *ldev, |
| 34 | u16 idx); |
| 35 | u16 vp_legacy_get_queue_size(struct virtio_pci_legacy_device *ldev, |
| 36 | u16 idx); |
| 37 | int vp_legacy_probe(struct virtio_pci_legacy_device *ldev); |
| 38 | void vp_legacy_remove(struct virtio_pci_legacy_device *ldev); |
| 39 | |
| 40 | #endif |
| 41 |