diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_transport_access_macros.h')
-rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_transport_access_macros.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_transport_access_macros.h b/drivers/crypto/intel/qat/qat_common/adf_transport_access_macros.h new file mode 100644 index 000000000000..d3667dbd9826 --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_transport_access_macros.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ +/* Copyright(c) 2014 - 2020 Intel Corporation */ +#ifndef ADF_TRANSPORT_ACCESS_MACROS_H +#define ADF_TRANSPORT_ACCESS_MACROS_H + +#include "adf_accel_devices.h" +#define ADF_RING_CONFIG_NEAR_FULL_WM 0x0A +#define ADF_RING_CONFIG_NEAR_EMPTY_WM 0x05 +#define ADF_COALESCING_MIN_TIME 0x1FF +#define ADF_COALESCING_MAX_TIME 0xFFFFF +#define ADF_COALESCING_DEF_TIME 0x27FF +#define ADF_RING_NEAR_WATERMARK_512 0x08 +#define ADF_RING_NEAR_WATERMARK_0 0x00 +#define ADF_RING_EMPTY_SIG 0x7F7F7F7F + +/* Valid internal ring size values */ +#define ADF_RING_SIZE_128 0x01 +#define ADF_RING_SIZE_256 0x02 +#define ADF_RING_SIZE_512 0x03 +#define ADF_RING_SIZE_4K 0x06 +#define ADF_RING_SIZE_16K 0x08 +#define ADF_RING_SIZE_4M 0x10 +#define ADF_MIN_RING_SIZE ADF_RING_SIZE_128 +#define ADF_MAX_RING_SIZE ADF_RING_SIZE_4M +#define ADF_DEFAULT_RING_SIZE ADF_RING_SIZE_16K + +/* Valid internal msg size values */ +#define ADF_MSG_SIZE_32 0x01 +#define ADF_MSG_SIZE_64 0x02 +#define ADF_MSG_SIZE_128 0x04 +#define ADF_MIN_MSG_SIZE ADF_MSG_SIZE_32 +#define ADF_MAX_MSG_SIZE ADF_MSG_SIZE_128 + +/* Size to bytes conversion macros for ring and msg size values */ +#define ADF_MSG_SIZE_TO_BYTES(SIZE) (SIZE << 5) +#define ADF_BYTES_TO_MSG_SIZE(SIZE) (SIZE >> 5) +#define ADF_SIZE_TO_RING_SIZE_IN_BYTES(SIZE) ((1 << (SIZE - 1)) << 7) +#define ADF_RING_SIZE_IN_BYTES_TO_SIZE(SIZE) ((1 << (SIZE - 1)) >> 7) + +/* Minimum ring buffer size for memory allocation */ +#define ADF_RING_SIZE_BYTES_MIN(SIZE) \ + ((SIZE < ADF_SIZE_TO_RING_SIZE_IN_BYTES(ADF_RING_SIZE_4K)) ? \ + ADF_SIZE_TO_RING_SIZE_IN_BYTES(ADF_RING_SIZE_4K) : SIZE) +#define ADF_RING_SIZE_MODULO(SIZE) (SIZE + 0x6) +#define ADF_SIZE_TO_POW(SIZE) ((((SIZE & 0x4) >> 1) | ((SIZE & 0x4) >> 2) | \ + SIZE) & ~0x4) +/* Max outstanding requests */ +#define ADF_MAX_INFLIGHTS(RING_SIZE, MSG_SIZE) \ + ((((1 << (RING_SIZE - 1)) << 3) >> ADF_SIZE_TO_POW(MSG_SIZE)) - 1) +#define BUILD_RING_CONFIG(size) \ + ((ADF_RING_NEAR_WATERMARK_0 << ADF_RING_CONFIG_NEAR_FULL_WM) \ + | (ADF_RING_NEAR_WATERMARK_0 << ADF_RING_CONFIG_NEAR_EMPTY_WM) \ + | size) +#define BUILD_RESP_RING_CONFIG(size, watermark_nf, watermark_ne) \ + ((watermark_nf << ADF_RING_CONFIG_NEAR_FULL_WM) \ + | (watermark_ne << ADF_RING_CONFIG_NEAR_EMPTY_WM) \ + | size) +#endif |