/* 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 bufer 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