1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright © 2021-2022 Dmitry Salychev
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #ifndef _DPAA2_CON_H
29 #define _DPAA2_CON_H
30
31 #include <sys/rman.h>
32 #include <sys/bus.h>
33 #include <sys/queue.h>
34
35 #include "dpaa2_types.h"
36 #include "dpaa2_mcp.h"
37
38 /* Maximum resources per DPCON: 1 DPMCP. */
39 #define DPAA2_CON_MAX_RESOURCES 1
40
41 /**
42 * @brief Attributes of the DPCON object.
43 *
44 * id: DPCON object ID.
45 * chan_id: QBMan channel ID to be used for dequeue operations.
46 * prior_num: Number of priorities for the DPCON channel (1-8).
47 */
48 struct dpaa2_con_attr {
49 uint32_t id;
50 uint16_t chan_id;
51 uint8_t prior_num;
52 };
53
54 /**
55 * @brief Software context for the DPAA2 Concentrator driver.
56 */
57 struct dpaa2_con_softc {
58 device_t dev;
59 struct resource *res[DPAA2_CON_MAX_RESOURCES];
60 struct dpaa2_con_attr attr;
61
62 /* Help to send commands to MC. */
63 struct dpaa2_cmd *cmd;
64 uint16_t rc_token;
65 uint16_t con_token;
66 };
67
68 extern struct resource_spec dpaa2_con_spec[];
69
70 #endif /* _DPAA2_CON_H */
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