/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2024 Intel Corporation
 */

#ifndef _XE_GT_SRIOV_PF_MIGRATION_H_
#define _XE_GT_SRIOV_PF_MIGRATION_H_

#include <linux/types.h>

struct xe_gt;
struct xe_sriov_packet;
enum xe_sriov_packet_type;

/* TODO: get this information by querying GuC in the future */
#define XE_GT_SRIOV_PF_MIGRATION_GUC_DATA_MAX_SIZE SZ_8M

int xe_gt_sriov_pf_migration_init(struct xe_gt *gt);
int xe_gt_sriov_pf_migration_guc_save(struct xe_gt *gt, unsigned int vfid);
int xe_gt_sriov_pf_migration_guc_restore(struct xe_gt *gt, unsigned int vfid,
					 struct xe_sriov_packet *data);
int xe_gt_sriov_pf_migration_ggtt_save(struct xe_gt *gt, unsigned int vfid);
int xe_gt_sriov_pf_migration_ggtt_restore(struct xe_gt *gt, unsigned int vfid,
					  struct xe_sriov_packet *data);
int xe_gt_sriov_pf_migration_mmio_save(struct xe_gt *gt, unsigned int vfid);
int xe_gt_sriov_pf_migration_mmio_restore(struct xe_gt *gt, unsigned int vfid,
					  struct xe_sriov_packet *data);
int xe_gt_sriov_pf_migration_vram_save(struct xe_gt *gt, unsigned int vfid);
int xe_gt_sriov_pf_migration_vram_restore(struct xe_gt *gt, unsigned int vfid,
					  struct xe_sriov_packet *data);

ssize_t xe_gt_sriov_pf_migration_size(struct xe_gt *gt, unsigned int vfid);

bool xe_gt_sriov_pf_migration_ring_empty(struct xe_gt *gt, unsigned int vfid);
bool xe_gt_sriov_pf_migration_ring_full(struct xe_gt *gt, unsigned int vfid);
void xe_gt_sriov_pf_migration_ring_free(struct xe_gt *gt, unsigned int vfid);

void xe_gt_sriov_pf_migration_save_init(struct xe_gt *gt, unsigned int vfid);
bool xe_gt_sriov_pf_migration_save_data_pending(struct xe_gt *gt, unsigned int vfid,
						enum xe_sriov_packet_type type);
void xe_gt_sriov_pf_migration_save_data_complete(struct xe_gt *gt, unsigned int vfid,
						 enum xe_sriov_packet_type type);

int xe_gt_sriov_pf_migration_save_produce(struct xe_gt *gt, unsigned int vfid,
					  struct xe_sriov_packet *data);
struct xe_sriov_packet *
xe_gt_sriov_pf_migration_restore_consume(struct xe_gt *gt, unsigned int vfid);

int xe_gt_sriov_pf_migration_restore_produce(struct xe_gt *gt, unsigned int vfid,
					     struct xe_sriov_packet *data);
struct xe_sriov_packet *
xe_gt_sriov_pf_migration_save_consume(struct xe_gt *gt, unsigned int vfid);

#endif