| 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 4096 |
| 12 | |
| 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; |
| 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 | }; |
| 24 | |
| 25 | static inline bool adf_hw_dev_has_compression(struct adf_accel_dev *accel_dev) |
| 26 | { |
| 27 | struct adf_hw_device_data *hw_device = accel_dev->hw_device; |
| 28 | u32 mask = ~hw_device->accel_capabilities_mask; |
| 29 | |
| 30 | if (mask & ADF_ACCEL_CAPABILITIES_COMPRESSION) |
| 31 | return false; |
| 32 | |
| 33 | return true; |
| 34 | } |
| 35 | |
| 36 | #endif |
| 37 |