| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef __UM_VIRT_PCI_H |
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| 3 | #define __UM_VIRT_PCI_H |
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| 4 | |
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| 5 | #include <linux/pci.h> |
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| 6 | |
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| 7 | struct um_pci_device { |
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| 8 | const struct um_pci_ops *ops; |
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| 9 | |
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| 10 | /* for now just standard BARs */ |
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| 11 | u8 resptr[PCI_STD_NUM_BARS]; |
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| 12 | |
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| 13 | int irq; |
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| 14 | }; |
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| 15 | |
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| 16 | struct um_pci_ops { |
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| 17 | unsigned long (*cfgspace_read)(struct um_pci_device *dev, |
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| 18 | unsigned int offset, int size); |
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| 19 | void (*cfgspace_write)(struct um_pci_device *dev, unsigned int offset, |
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| 20 | int size, unsigned long val); |
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| 21 | |
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| 22 | unsigned long (*bar_read)(struct um_pci_device *dev, int bar, |
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| 23 | unsigned int offset, int size); |
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| 24 | void (*bar_write)(struct um_pci_device *dev, int bar, |
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| 25 | unsigned int offset, int size, unsigned long val); |
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| 26 | |
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| 27 | void (*bar_copy_from)(struct um_pci_device *dev, int bar, void *buffer, |
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| 28 | unsigned int offset, int size); |
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| 29 | void (*bar_copy_to)(struct um_pci_device *dev, int bar, |
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| 30 | unsigned int offset, const void *buffer, int size); |
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| 31 | void (*bar_set)(struct um_pci_device *dev, int bar, |
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| 32 | unsigned int offset, u8 value, int size); |
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| 33 | }; |
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| 34 | |
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| 35 | int um_pci_device_register(struct um_pci_device *dev); |
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| 36 | void um_pci_device_unregister(struct um_pci_device *dev); |
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| 37 | |
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| 38 | int um_pci_platform_device_register(struct um_pci_device *dev); |
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| 39 | void um_pci_platform_device_unregister(struct um_pci_device *dev); |
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| 40 | |
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| 41 | #endif /* __UM_VIRT_PCI_H */ |
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| 42 | |
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