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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright(c) 2022 Intel Corporation */
#ifndef _QAT_COMPRESSION_H_
#define _QAT_COMPRESSION_H_
#include <linux/list.h>
#include <linux/types.h>
#include "adf_accel_devices.h"
#include "qat_algs_send.h"
#define QAT_COMP_MAX_SKID 4096
struct qat_compression_instance {
struct adf_etr_ring_data *dc_tx;
struct adf_etr_ring_data *dc_rx;
struct adf_accel_dev *accel_dev;
struct list_head list;
unsigned long state;
int id;
atomic_t refctr;
struct qat_instance_backlog backlog;
struct adf_dc_data *dc_data;
void (*build_deflate_ctx)(void *ctx);
};
static inline bool adf_hw_dev_has_compression(struct adf_accel_dev *accel_dev)
{
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
u32 mask = ~hw_device->accel_capabilities_mask;
if (mask & ADF_ACCEL_CAPABILITIES_COMPRESSION)
return false;
return true;
}
#endif
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