1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright(c) 2022 Intel Corporation */
3 #ifndef _QAT_COMPRESSION_H_
4 #define _QAT_COMPRESSION_H_
6 #include <linux/list.h>
7 #include <linux/types.h>
8 #include "adf_accel_devices.h"
9 #include "qat_algs_send.h"
11 #define QAT_COMP_MAX_SKID 4096
13 struct 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;
21 struct qat_instance_backlog backlog;
22 struct adf_dc_data *dc_data;
23 void (*build_deflate_ctx)(void *ctx);
26 static inline bool adf_hw_dev_has_compression(struct adf_accel_dev *accel_dev)
28 struct adf_hw_device_data *hw_device = accel_dev->hw_device;
29 u32 mask = ~hw_device->accel_capabilities_mask;
31 if (mask & ADF_ACCEL_CAPABILITIES_COMPRESSION)