xe_configfs.h

 1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2025 Intel Corporation
 4 */
 5#ifndef _XE_CONFIGFS_H_
 6#define _XE_CONFIGFS_H_
 7
 8#include <linux/limits.h>
 9#include <linux/types.h>
10
11#include <xe_hw_engine_types.h>
12
13struct pci_dev;
14
15#if IS_ENABLED(CONFIG_CONFIGFS_FS)
16int xe_configfs_init(void);
17void xe_configfs_exit(void);
18void xe_configfs_check_device(struct pci_dev *pdev);
19bool xe_configfs_get_survivability_mode(struct pci_dev *pdev);
20bool xe_configfs_primary_gt_allowed(struct pci_dev *pdev);
21bool xe_configfs_media_gt_allowed(struct pci_dev *pdev);
22u64 xe_configfs_get_engines_allowed(struct pci_dev *pdev);
23bool xe_configfs_get_psmi_enabled(struct pci_dev *pdev);
24u32 xe_configfs_get_ctx_restore_mid_bb(struct pci_dev *pdev,
25				       enum xe_engine_class class,
26				       const u32 **cs);
27u32 xe_configfs_get_ctx_restore_post_bb(struct pci_dev *pdev,
28					enum xe_engine_class class,
29					const u32 **cs);
30#ifdef CONFIG_PCI_IOV
31unsigned int xe_configfs_get_max_vfs(struct pci_dev *pdev);
32#endif
33#else
34static inline int xe_configfs_init(void) { return 0; }
35static inline void xe_configfs_exit(void) { }
36static inline void xe_configfs_check_device(struct pci_dev *pdev) { }
37static inline bool xe_configfs_get_survivability_mode(struct pci_dev *pdev) { return false; }
38static inline bool xe_configfs_primary_gt_allowed(struct pci_dev *pdev) { return true; }
39static inline bool xe_configfs_media_gt_allowed(struct pci_dev *pdev) { return true; }
40static inline u64 xe_configfs_get_engines_allowed(struct pci_dev *pdev) { return U64_MAX; }
41static inline bool xe_configfs_get_psmi_enabled(struct pci_dev *pdev) { return false; }
42static inline u32 xe_configfs_get_ctx_restore_mid_bb(struct pci_dev *pdev,
43						     enum xe_engine_class class,
44						     const u32 **cs) { return 0; }
45static inline u32 xe_configfs_get_ctx_restore_post_bb(struct pci_dev *pdev,
46						      enum xe_engine_class class,
47						      const u32 **cs) { return 0; }
48static inline unsigned int xe_configfs_get_max_vfs(struct pci_dev *pdev) { return UINT_MAX; }
49#endif
50
51#endif