| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __LINUX_COIOMMU_DEV_H |
| #define __LINUX_COIOMMU_DEV_H |
| |
| struct pin_pages_info { |
| unsigned short bdf; |
| unsigned short pad[3]; |
| unsigned long nr_pages; |
| uint64_t pfn[]; |
| }; |
| |
| struct coiommu_dev; |
| struct coiommu_dev_ops { |
| int (*execute_request)(struct coiommu_dev *dev, unsigned long pfn, unsigned short bdf); |
| int (*execute_requests)(struct coiommu_dev *dev, struct pin_pages_info *pin_info); |
| void (*park_unpin)(struct coiommu_dev *dev, bool park); |
| }; |
| |
| extern void coiommu_init(unsigned short ep_count, unsigned short *endpoints); |
| extern int coiommu_enable_dtt(u64 *dtt_addr, u64 *dtt_level); |
| extern void coiommu_disable_dtt(void); |
| extern int coiommu_setup_dev_ops(const struct coiommu_dev_ops *ops, void *dev); |
| |
| #define PCI_VENDOR_ID_COIOMMU 0x1234 |
| #define PCI_DEVICE_ID_COIOMMU 0xabcd |
| |
| #endif /* __LINUX_COIOMMU_DEV_H */ |
