1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright(c) 2024 Intel Corporation */
3 #include <linux/dev_printk.h>
4 #include <linux/export.h>
5 #include <linux/pci.h>
6 #include <linux/types.h>
7 #include <linux/qat/qat_mig_dev.h>
8 #include "adf_accel_devices.h"
9 #include "adf_common_drv.h"
10 
qat_vfmig_create(struct pci_dev * pdev,int vf_id)11 struct qat_mig_dev *qat_vfmig_create(struct pci_dev *pdev, int vf_id)
12 {
13 	struct adf_accel_dev *accel_dev;
14 	struct qat_migdev_ops *ops;
15 	struct qat_mig_dev *mdev;
16 
17 	accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
18 	if (!accel_dev)
19 		return ERR_PTR(-ENODEV);
20 
21 	ops = GET_VFMIG_OPS(accel_dev);
22 	if (!ops || !ops->init || !ops->cleanup || !ops->reset || !ops->open ||
23 	    !ops->close || !ops->suspend || !ops->resume || !ops->save_state ||
24 	    !ops->load_state || !ops->save_setup || !ops->load_setup)
25 		return ERR_PTR(-EINVAL);
26 
27 	mdev = kmalloc(sizeof(*mdev), GFP_KERNEL);
28 	if (!mdev)
29 		return ERR_PTR(-ENOMEM);
30 
31 	mdev->vf_id = vf_id;
32 	mdev->parent_accel_dev = accel_dev;
33 
34 	return mdev;
35 }
36 EXPORT_SYMBOL_GPL(qat_vfmig_create);
37 
qat_vfmig_init(struct qat_mig_dev * mdev)38 int qat_vfmig_init(struct qat_mig_dev *mdev)
39 {
40 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
41 
42 	return GET_VFMIG_OPS(accel_dev)->init(mdev);
43 }
44 EXPORT_SYMBOL_GPL(qat_vfmig_init);
45 
qat_vfmig_cleanup(struct qat_mig_dev * mdev)46 void qat_vfmig_cleanup(struct qat_mig_dev *mdev)
47 {
48 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
49 
50 	return GET_VFMIG_OPS(accel_dev)->cleanup(mdev);
51 }
52 EXPORT_SYMBOL_GPL(qat_vfmig_cleanup);
53 
qat_vfmig_reset(struct qat_mig_dev * mdev)54 void qat_vfmig_reset(struct qat_mig_dev *mdev)
55 {
56 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
57 
58 	return GET_VFMIG_OPS(accel_dev)->reset(mdev);
59 }
60 EXPORT_SYMBOL_GPL(qat_vfmig_reset);
61 
qat_vfmig_open(struct qat_mig_dev * mdev)62 int qat_vfmig_open(struct qat_mig_dev *mdev)
63 {
64 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
65 
66 	return GET_VFMIG_OPS(accel_dev)->open(mdev);
67 }
68 EXPORT_SYMBOL_GPL(qat_vfmig_open);
69 
qat_vfmig_close(struct qat_mig_dev * mdev)70 void qat_vfmig_close(struct qat_mig_dev *mdev)
71 {
72 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
73 
74 	GET_VFMIG_OPS(accel_dev)->close(mdev);
75 }
76 EXPORT_SYMBOL_GPL(qat_vfmig_close);
77 
qat_vfmig_suspend(struct qat_mig_dev * mdev)78 int qat_vfmig_suspend(struct qat_mig_dev *mdev)
79 {
80 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
81 
82 	return GET_VFMIG_OPS(accel_dev)->suspend(mdev);
83 }
84 EXPORT_SYMBOL_GPL(qat_vfmig_suspend);
85 
qat_vfmig_resume(struct qat_mig_dev * mdev)86 int qat_vfmig_resume(struct qat_mig_dev *mdev)
87 {
88 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
89 
90 	return GET_VFMIG_OPS(accel_dev)->resume(mdev);
91 }
92 EXPORT_SYMBOL_GPL(qat_vfmig_resume);
93 
qat_vfmig_save_state(struct qat_mig_dev * mdev)94 int qat_vfmig_save_state(struct qat_mig_dev *mdev)
95 {
96 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
97 
98 	return GET_VFMIG_OPS(accel_dev)->save_state(mdev);
99 }
100 EXPORT_SYMBOL_GPL(qat_vfmig_save_state);
101 
qat_vfmig_save_setup(struct qat_mig_dev * mdev)102 int qat_vfmig_save_setup(struct qat_mig_dev *mdev)
103 {
104 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
105 
106 	return GET_VFMIG_OPS(accel_dev)->save_setup(mdev);
107 }
108 EXPORT_SYMBOL_GPL(qat_vfmig_save_setup);
109 
qat_vfmig_load_state(struct qat_mig_dev * mdev)110 int qat_vfmig_load_state(struct qat_mig_dev *mdev)
111 {
112 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
113 
114 	return GET_VFMIG_OPS(accel_dev)->load_state(mdev);
115 }
116 EXPORT_SYMBOL_GPL(qat_vfmig_load_state);
117 
qat_vfmig_load_setup(struct qat_mig_dev * mdev,int size)118 int qat_vfmig_load_setup(struct qat_mig_dev *mdev, int size)
119 {
120 	struct adf_accel_dev *accel_dev = mdev->parent_accel_dev;
121 
122 	return GET_VFMIG_OPS(accel_dev)->load_setup(mdev, size);
123 }
124 EXPORT_SYMBOL_GPL(qat_vfmig_load_setup);
125 
qat_vfmig_destroy(struct qat_mig_dev * mdev)126 void qat_vfmig_destroy(struct qat_mig_dev *mdev)
127 {
128 	kfree(mdev);
129 }
130 EXPORT_SYMBOL_GPL(qat_vfmig_destroy);
131