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d89c8169bd
Split common codes from virtio-pci-legacy so vDPA driver can reuse it later. Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/71605acde5e97fcb2760a6973e406279fb1bbd33.1635493219.git.wuzongyong@linux.alibaba.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_VIRTIO_PCI_LEGACY_H
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#define _LINUX_VIRTIO_PCI_LEGACY_H
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#include "linux/mod_devicetable.h"
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#include <linux/pci.h>
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#include <linux/virtio_pci.h>
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struct virtio_pci_legacy_device {
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struct pci_dev *pci_dev;
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/* Where to read and clear interrupt */
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u8 __iomem *isr;
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/* The IO mapping for the PCI config space (legacy mode only) */
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void __iomem *ioaddr;
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struct virtio_device_id id;
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};
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u64 vp_legacy_get_features(struct virtio_pci_legacy_device *ldev);
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u64 vp_legacy_get_driver_features(struct virtio_pci_legacy_device *ldev);
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void vp_legacy_set_features(struct virtio_pci_legacy_device *ldev,
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u32 features);
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u8 vp_legacy_get_status(struct virtio_pci_legacy_device *ldev);
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void vp_legacy_set_status(struct virtio_pci_legacy_device *ldev,
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u8 status);
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u16 vp_legacy_queue_vector(struct virtio_pci_legacy_device *ldev,
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u16 idx, u16 vector);
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u16 vp_legacy_config_vector(struct virtio_pci_legacy_device *ldev,
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u16 vector);
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void vp_legacy_set_queue_address(struct virtio_pci_legacy_device *ldev,
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u16 index, u32 queue_pfn);
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bool vp_legacy_get_queue_enable(struct virtio_pci_legacy_device *ldev,
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u16 idx);
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void vp_legacy_set_queue_size(struct virtio_pci_legacy_device *ldev,
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u16 idx, u16 size);
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u16 vp_legacy_get_queue_size(struct virtio_pci_legacy_device *ldev,
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u16 idx);
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int vp_legacy_probe(struct virtio_pci_legacy_device *ldev);
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void vp_legacy_remove(struct virtio_pci_legacy_device *ldev);
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#endif
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