/* 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