1*a4b16dadSTom Zanussi /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ 2*a4b16dadSTom Zanussi /* Copyright(c) 2014 - 2020 Intel Corporation */ 3*a4b16dadSTom Zanussi #ifndef ADF_TRANSPORT_ACCESS_MACROS_H 4*a4b16dadSTom Zanussi #define ADF_TRANSPORT_ACCESS_MACROS_H 5*a4b16dadSTom Zanussi 6*a4b16dadSTom Zanussi #include "adf_accel_devices.h" 7*a4b16dadSTom Zanussi #define ADF_RING_CONFIG_NEAR_FULL_WM 0x0A 8*a4b16dadSTom Zanussi #define ADF_RING_CONFIG_NEAR_EMPTY_WM 0x05 9*a4b16dadSTom Zanussi #define ADF_COALESCING_MIN_TIME 0x1FF 10*a4b16dadSTom Zanussi #define ADF_COALESCING_MAX_TIME 0xFFFFF 11*a4b16dadSTom Zanussi #define ADF_COALESCING_DEF_TIME 0x27FF 12*a4b16dadSTom Zanussi #define ADF_RING_NEAR_WATERMARK_512 0x08 13*a4b16dadSTom Zanussi #define ADF_RING_NEAR_WATERMARK_0 0x00 14*a4b16dadSTom Zanussi #define ADF_RING_EMPTY_SIG 0x7F7F7F7F 15*a4b16dadSTom Zanussi 16*a4b16dadSTom Zanussi /* Valid internal ring size values */ 17*a4b16dadSTom Zanussi #define ADF_RING_SIZE_128 0x01 18*a4b16dadSTom Zanussi #define ADF_RING_SIZE_256 0x02 19*a4b16dadSTom Zanussi #define ADF_RING_SIZE_512 0x03 20*a4b16dadSTom Zanussi #define ADF_RING_SIZE_4K 0x06 21*a4b16dadSTom Zanussi #define ADF_RING_SIZE_16K 0x08 22*a4b16dadSTom Zanussi #define ADF_RING_SIZE_4M 0x10 23*a4b16dadSTom Zanussi #define ADF_MIN_RING_SIZE ADF_RING_SIZE_128 24*a4b16dadSTom Zanussi #define ADF_MAX_RING_SIZE ADF_RING_SIZE_4M 25*a4b16dadSTom Zanussi #define ADF_DEFAULT_RING_SIZE ADF_RING_SIZE_16K 26*a4b16dadSTom Zanussi 27*a4b16dadSTom Zanussi /* Valid internal msg size values */ 28*a4b16dadSTom Zanussi #define ADF_MSG_SIZE_32 0x01 29*a4b16dadSTom Zanussi #define ADF_MSG_SIZE_64 0x02 30*a4b16dadSTom Zanussi #define ADF_MSG_SIZE_128 0x04 31*a4b16dadSTom Zanussi #define ADF_MIN_MSG_SIZE ADF_MSG_SIZE_32 32*a4b16dadSTom Zanussi #define ADF_MAX_MSG_SIZE ADF_MSG_SIZE_128 33*a4b16dadSTom Zanussi 34*a4b16dadSTom Zanussi /* Size to bytes conversion macros for ring and msg size values */ 35*a4b16dadSTom Zanussi #define ADF_MSG_SIZE_TO_BYTES(SIZE) (SIZE << 5) 36*a4b16dadSTom Zanussi #define ADF_BYTES_TO_MSG_SIZE(SIZE) (SIZE >> 5) 37*a4b16dadSTom Zanussi #define ADF_SIZE_TO_RING_SIZE_IN_BYTES(SIZE) ((1 << (SIZE - 1)) << 7) 38*a4b16dadSTom Zanussi #define ADF_RING_SIZE_IN_BYTES_TO_SIZE(SIZE) ((1 << (SIZE - 1)) >> 7) 39*a4b16dadSTom Zanussi 40*a4b16dadSTom Zanussi /* Minimum ring buffer size for memory allocation */ 41*a4b16dadSTom Zanussi #define ADF_RING_SIZE_BYTES_MIN(SIZE) \ 42*a4b16dadSTom Zanussi ((SIZE < ADF_SIZE_TO_RING_SIZE_IN_BYTES(ADF_RING_SIZE_4K)) ? \ 43*a4b16dadSTom Zanussi ADF_SIZE_TO_RING_SIZE_IN_BYTES(ADF_RING_SIZE_4K) : SIZE) 44*a4b16dadSTom Zanussi #define ADF_RING_SIZE_MODULO(SIZE) (SIZE + 0x6) 45*a4b16dadSTom Zanussi #define ADF_SIZE_TO_POW(SIZE) ((((SIZE & 0x4) >> 1) | ((SIZE & 0x4) >> 2) | \ 46*a4b16dadSTom Zanussi SIZE) & ~0x4) 47*a4b16dadSTom Zanussi /* Max outstanding requests */ 48*a4b16dadSTom Zanussi #define ADF_MAX_INFLIGHTS(RING_SIZE, MSG_SIZE) \ 49*a4b16dadSTom Zanussi ((((1 << (RING_SIZE - 1)) << 3) >> ADF_SIZE_TO_POW(MSG_SIZE)) - 1) 50*a4b16dadSTom Zanussi #define BUILD_RING_CONFIG(size) \ 51*a4b16dadSTom Zanussi ((ADF_RING_NEAR_WATERMARK_0 << ADF_RING_CONFIG_NEAR_FULL_WM) \ 52*a4b16dadSTom Zanussi | (ADF_RING_NEAR_WATERMARK_0 << ADF_RING_CONFIG_NEAR_EMPTY_WM) \ 53*a4b16dadSTom Zanussi | size) 54*a4b16dadSTom Zanussi #define BUILD_RESP_RING_CONFIG(size, watermark_nf, watermark_ne) \ 55*a4b16dadSTom Zanussi ((watermark_nf << ADF_RING_CONFIG_NEAR_FULL_WM) \ 56*a4b16dadSTom Zanussi | (watermark_ne << ADF_RING_CONFIG_NEAR_EMPTY_WM) \ 57*a4b16dadSTom Zanussi | size) 58*a4b16dadSTom Zanussi #endif 59