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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#ifndef MLX5_VFIO_CMD_H
#define MLX5_VFIO_CMD_H
#include <linux/kernel.h>
#include <linux/mlx5/driver.h>
struct mlx5_vf_migration_file {
struct file *filp;
struct mutex lock;
bool disabled;
struct sg_append_table table;
size_t total_length;
size_t allocated_length;
/* Optimize mlx5vf_get_migration_page() for sequential access */
struct scatterlist *last_offset_sg;
unsigned int sg_last_entry;
unsigned long last_offset;
};
int mlx5vf_cmd_suspend_vhca(struct pci_dev *pdev, u16 vhca_id, u16 op_mod);
int mlx5vf_cmd_resume_vhca(struct pci_dev *pdev, u16 vhca_id, u16 op_mod);
int mlx5vf_cmd_query_vhca_migration_state(struct pci_dev *pdev, u16 vhca_id,
size_t *state_size);
int mlx5vf_cmd_get_vhca_id(struct pci_dev *pdev, u16 function_id, u16 *vhca_id);
int mlx5vf_cmd_save_vhca_state(struct pci_dev *pdev, u16 vhca_id,
struct mlx5_vf_migration_file *migf);
int mlx5vf_cmd_load_vhca_state(struct pci_dev *pdev, u16 vhca_id,
struct mlx5_vf_migration_file *migf);
#endif /* MLX5_VFIO_CMD_H */
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