/*-
 *   BSD LICENSE
 *
 *   Copyright (c) 2017-2022 Xilinx, Inc. All rights reserved.
 *   Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of the copyright holder nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#define QDMA_MAX_PORTS	256

#define PORT_0 0

#define NUM_DESC_PER_RING 1024
#ifdef PERF_BENCHMARK
#define NUM_RX_PKTS (NUM_DESC_PER_RING - 2)
#else
#define NUM_RX_PKTS 32
#endif

/* Tandem boot feature involves DMA transfer of
 * second stage bootloader size greater than 2MB
 * from Host to Slave Boot Interface(SBI) buffer.
 * Increased the limit of pending tx packets that need
 * to process by application to avoid transfer timeouts.
 */
#ifdef TANDEM_BOOT_SUPPORTED
#define NUM_TX_PKTS 128
#else
#define NUM_TX_PKTS 32
#endif

#define MAX_NUM_QUEUES 4096
#define DEFAULT_NUM_QUEUES 64
#define RX_TX_MAX_RETRY			1500
#define DEFAULT_RX_WRITEBACK_THRESH	(64)

#define MP_CACHE_SZ     512
#define MBUF_POOL_NAME_PORT   "mbuf_pool_%d"

/* AXI Master Lite bar(user bar) registers */
#define C2H_ST_QID_REG    0x0
#define C2H_ST_LEN_REG    0x4
#define C2H_CONTROL_REG              0x8
#define ST_LOOPBACK_EN               0x1
#define ST_C2H_START_VAL             0x2
#define ST_C2H_IMMEDIATE_DATA_EN     0x4
#define C2H_CONTROL_REG_MASK         0xF
#define H2C_CONTROL_REG    0xC
#define H2C_STATUS_REG    0x10
#define C2H_PACKET_COUNT_REG    0x20
#define C2H_STATUS_REG                    0x18
#define C2H_STREAM_MARKER_PKT_GEN_VAL     0x22
#define MARKER_RESPONSE_COMPLETION_BIT    0x1

extern int num_ports;

struct port_info {
	int config_bar_idx;
	int user_bar_idx;
	int bypass_bar_idx;
	unsigned int queue_base;
	unsigned int num_queues;
	unsigned int nb_descs;
	unsigned int st_queues;
	unsigned int buff_size;
	rte_spinlock_t port_update_lock;
	char mem_pool[RTE_MEMPOOL_NAMESIZE];
};

extern struct port_info pinfo[QDMA_MAX_PORTS];
int port_init(int port_id, int num_queues, int st_queues,
		int nb_descs, int buff_size);
int do_recv_st(int port_id, int fd, int queueid, int input_size);
int do_recv_mm(int port_id, int fd, int queueid,
		int ld_size, int tot_num_desc);
int do_xmit(int port_id, int fd, int queueid,
		int ld_size, int tot_num_desc, int zbyte);
void load_file_cmds(struct cmdline *cl);
void port_close(int port_id);
int port_reset(int port_id, int num_queues, int st_queues,
		int nb_descs, int buff_size);
int port_remove(int port_id);
int parse_cmdline(int argc, char **argv);
