qat_mig_dev.c

  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
 11struct 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}
 36EXPORT_SYMBOL_GPL(qat_vfmig_create);
 37
 38int 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}
 44EXPORT_SYMBOL_GPL(qat_vfmig_init);
 45
 46void 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}
 52EXPORT_SYMBOL_GPL(qat_vfmig_cleanup);
 53
 54void 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}
 60EXPORT_SYMBOL_GPL(qat_vfmig_reset);
 61
 62int 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}
 68EXPORT_SYMBOL_GPL(qat_vfmig_open);
 69
 70void 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}
 76EXPORT_SYMBOL_GPL(qat_vfmig_close);
 77
 78int 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}
 84EXPORT_SYMBOL_GPL(qat_vfmig_suspend);
 85
 86int 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}
 92EXPORT_SYMBOL_GPL(qat_vfmig_resume);
 93
 94int 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}
100EXPORT_SYMBOL_GPL(qat_vfmig_save_state);
101
102int 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}
108EXPORT_SYMBOL_GPL(qat_vfmig_save_setup);
109
110int 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}
116EXPORT_SYMBOL_GPL(qat_vfmig_load_state);
117
118int 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}
124EXPORT_SYMBOL_GPL(qat_vfmig_load_setup);
125
126void qat_vfmig_destroy(struct qat_mig_dev *mdev)
127{
128	kfree(mdev);
129}
130EXPORT_SYMBOL_GPL(qat_vfmig_destroy);