diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_compression.h')
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_compression.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_compression.h b/drivers/crypto/qat/qat_common/qat_compression.h new file mode 100644 index 000000000000..aebac2302dcf --- /dev/null +++ b/drivers/crypto/qat/qat_common/qat_compression.h @@ -0,0 +1,37 @@ +/* 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 |