xref: /linux/drivers/gpu/drm/xe/xe_sriov_pf_migration.h (revision deb879faa9d2f327ac5c079d9d1a1747b79260e3)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2025 Intel Corporation
4  */
5 
6 #ifndef _XE_SRIOV_PF_MIGRATION_H_
7 #define _XE_SRIOV_PF_MIGRATION_H_
8 
9 #include <linux/types.h>
10 #include <linux/wait.h>
11 
12 struct xe_device;
13 struct xe_sriov_packet;
14 
15 int xe_sriov_pf_migration_init(struct xe_device *xe);
16 bool xe_sriov_pf_migration_supported(struct xe_device *xe);
17 void xe_sriov_pf_migration_disable(struct xe_device *xe, const char *fmt, ...);
18 int xe_sriov_pf_migration_restore_produce(struct xe_device *xe, unsigned int vfid,
19 					  struct xe_sriov_packet *data);
20 struct xe_sriov_packet *
21 xe_sriov_pf_migration_save_consume(struct xe_device *xe, unsigned int vfid);
22 ssize_t xe_sriov_pf_migration_size(struct xe_device *xe, unsigned int vfid);
23 wait_queue_head_t *xe_sriov_pf_migration_waitqueue(struct xe_device *xe, unsigned int vfid);
24 
25 ssize_t xe_sriov_pf_migration_read(struct xe_device *xe, unsigned int vfid,
26 				   char __user *buf, size_t len);
27 ssize_t xe_sriov_pf_migration_write(struct xe_device *xe, unsigned int vfid,
28 				    const char __user *buf, size_t len);
29 
30 #endif
31