1 /*-
2 * Copyright (c) 2017 Broadcom. All rights reserved.
3 * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34 /**
35 * @file
36 *
37 */
38
39 #ifndef __OCS_HW_QUEUES_H__
40 #define __OCS_HW_QUEUES_H__
41
42 #define OCS_HW_MQ_DEPTH 128
43
44 typedef enum {
45 QTOP_EQ = 0,
46 QTOP_CQ,
47 QTOP_WQ,
48 QTOP_RQ,
49 QTOP_MQ,
50 QTOP_LAST,
51 } ocs_hw_qtop_entry_e;
52
53 typedef struct {
54 ocs_hw_qtop_entry_e entry;
55 uint8_t set_default;
56 uint32_t len;
57 uint8_t class;
58 uint8_t ulp;
59 uint8_t filter_mask;
60 } ocs_hw_qtop_entry_t;
61
62 typedef struct {
63 struct rq_config {
64 hw_eq_t *eq;
65 uint32_t len;
66 uint8_t class;
67 uint8_t ulp;
68 uint8_t filter_mask;
69 } rq_cfg[16];
70 uint32_t num_pairs;
71 } ocs_hw_mrq_t;
72
73 #define MAX_TOKENS 256
74 #define OCS_HW_MAX_QTOP_ENTRIES 200
75
76 typedef struct {
77 ocs_os_handle_t os;
78 ocs_hw_qtop_entry_t *entries;
79 uint32_t alloc_count;
80 uint32_t inuse_count;
81 uint32_t entry_counts[QTOP_LAST];
82 uint32_t rptcount[10];
83 uint32_t rptcount_idx;
84 } ocs_hw_qtop_t;
85
86 extern ocs_hw_qtop_t *ocs_hw_qtop_parse(ocs_hw_t *hw, const char *qtop_string);
87 extern void ocs_hw_qtop_free(ocs_hw_qtop_t *qtop);
88 extern const char *ocs_hw_qtop_entry_name(ocs_hw_qtop_entry_e entry);
89 extern uint32_t ocs_hw_qtop_eq_count(ocs_hw_t *hw);
90
91 extern ocs_hw_rtn_e ocs_hw_init_queues(ocs_hw_t *hw, ocs_hw_qtop_t *qtop);
92 extern void hw_thread_eq_handler(ocs_hw_t *hw, hw_eq_t *eq, uint32_t max_isr_time_msec);
93 extern void hw_thread_cq_handler(ocs_hw_t *hw, hw_cq_t *cq);
94 extern hw_wq_t *ocs_hw_queue_next_wq(ocs_hw_t *hw, ocs_hw_io_t *io);
95
96 #endif /* __OCS_HW_QUEUES_H__ */
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