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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright(c) 2022 Intel Corporation */3#ifndef _QAT_COMPRESSION_H_4#define _QAT_COMPRESSION_H_5 6#include <linux/list.h>7#include <linux/types.h>8#include "adf_accel_devices.h"9#include "qat_algs_send.h"10 11#define QAT_COMP_MAX_SKID 409612 13struct qat_compression_instance {14 struct adf_etr_ring_data *dc_tx;15 struct adf_etr_ring_data *dc_rx;16 struct adf_accel_dev *accel_dev;17 struct list_head list;18 unsigned long state;19 int id;20 atomic_t refctr;21 struct qat_instance_backlog backlog;22 struct adf_dc_data *dc_data;23 void (*build_deflate_ctx)(void *ctx);24};25 26static inline bool adf_hw_dev_has_compression(struct adf_accel_dev *accel_dev)27{28 struct adf_hw_device_data *hw_device = accel_dev->hw_device;29 u32 mask = ~hw_device->accel_capabilities_mask;30 31 if (mask & ADF_ACCEL_CAPABILITIES_COMPRESSION)32 return false;33 34 return true;35}36 37#endif38