1ba7319e9SDmitry Salychev /*- 2ba7319e9SDmitry Salychev * SPDX-License-Identifier: BSD-2-Clause 3ba7319e9SDmitry Salychev * 4ba7319e9SDmitry Salychev * Copyright © 2022 Dmitry Salychev 5ba7319e9SDmitry Salychev * 6ba7319e9SDmitry Salychev * Redistribution and use in source and binary forms, with or without 7ba7319e9SDmitry Salychev * modification, are permitted provided that the following conditions 8ba7319e9SDmitry Salychev * are met: 9ba7319e9SDmitry Salychev * 1. Redistributions of source code must retain the above copyright 10ba7319e9SDmitry Salychev * notice, this list of conditions and the following disclaimer. 11ba7319e9SDmitry Salychev * 2. Redistributions in binary form must reproduce the above copyright 12ba7319e9SDmitry Salychev * notice, this list of conditions and the following disclaimer in the 13ba7319e9SDmitry Salychev * documentation and/or other materials provided with the distribution. 14ba7319e9SDmitry Salychev * 15ba7319e9SDmitry Salychev * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16ba7319e9SDmitry Salychev * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17ba7319e9SDmitry Salychev * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18ba7319e9SDmitry Salychev * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19ba7319e9SDmitry Salychev * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20ba7319e9SDmitry Salychev * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21ba7319e9SDmitry Salychev * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22ba7319e9SDmitry Salychev * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23ba7319e9SDmitry Salychev * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24ba7319e9SDmitry Salychev * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25ba7319e9SDmitry Salychev * SUCH DAMAGE. 26ba7319e9SDmitry Salychev */ 27ba7319e9SDmitry Salychev 28ba7319e9SDmitry Salychev #ifndef _DPAA2_BP_H 29ba7319e9SDmitry Salychev #define _DPAA2_BP_H 30ba7319e9SDmitry Salychev 31ba7319e9SDmitry Salychev #include <sys/bus.h> 32ba7319e9SDmitry Salychev 33ba7319e9SDmitry Salychev /* Maximum resources per DPBP: 1 DPMCP. */ 34ba7319e9SDmitry Salychev #define DPAA2_BP_MAX_RESOURCES 1 35ba7319e9SDmitry Salychev 36ba7319e9SDmitry Salychev /** 37ba7319e9SDmitry Salychev * @brief Attributes of the DPBP object. 38ba7319e9SDmitry Salychev * 39ba7319e9SDmitry Salychev * id: DPBP object ID. 40ba7319e9SDmitry Salychev * bpid: Hardware buffer pool ID; should be used as an argument in 41ba7319e9SDmitry Salychev * acquire/release operations on buffers. 42ba7319e9SDmitry Salychev */ 43ba7319e9SDmitry Salychev struct dpaa2_bp_attr { 44ba7319e9SDmitry Salychev uint32_t id; 45ba7319e9SDmitry Salychev uint16_t bpid; 46ba7319e9SDmitry Salychev }; 47ba7319e9SDmitry Salychev 48ba7319e9SDmitry Salychev /** 49ba7319e9SDmitry Salychev * @brief Configuration/state of the buffer pool. 50ba7319e9SDmitry Salychev */ 51ba7319e9SDmitry Salychev struct dpaa2_bp_conf { 52ba7319e9SDmitry Salychev uint8_t bdi; 53ba7319e9SDmitry Salychev uint8_t state; /* bitmask */ 54ba7319e9SDmitry Salychev uint32_t free_bufn; 55ba7319e9SDmitry Salychev }; 56ba7319e9SDmitry Salychev 57ba7319e9SDmitry Salychev /** 58ba7319e9SDmitry Salychev * @brief Software context for the DPAA2 Buffer Pool driver. 59ba7319e9SDmitry Salychev */ 60ba7319e9SDmitry Salychev struct dpaa2_bp_softc { 61ba7319e9SDmitry Salychev device_t dev; 62ba7319e9SDmitry Salychev struct dpaa2_bp_attr attr; 63ba7319e9SDmitry Salychev struct resource *res[DPAA2_BP_MAX_RESOURCES]; 64ba7319e9SDmitry Salychev }; 65ba7319e9SDmitry Salychev 66ba7319e9SDmitry Salychev extern struct resource_spec dpaa2_bp_spec[]; 67ba7319e9SDmitry Salychev 68ba7319e9SDmitry Salychev #endif /* _DPAA2_BP_H */ 69