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: releng/12.0/sys/dev/ocs_fc/ocs_device.h 331766 2018-03-30 15:28:25Z ken $
32 */
33
34 /**
35 * @file
36 * Node state machine functions for remote device node sm
37 */
38
39 #if !defined(__OCS_DEVICE_H__)
40 #define __OCS_DEVICE_H__
41
42 /***************************************************************************
43 * Receive queue configuration
44 */
45
46 #ifndef OCS_FC_RQ_SIZE_DEFAULT
47 #define OCS_FC_RQ_SIZE_DEFAULT 1024
48 #endif
49
50
51 /***************************************************************************
52 * IO Configuration
53 */
54
55 /**
56 * @brief Defines the number of SGLs allocated on each IO object
57 */
58 #ifndef OCS_FC_MAX_SGL
59 #define OCS_FC_MAX_SGL 128
60 #endif
61
62
63 /***************************************************************************
64 * DIF Configuration
65 */
66
67 /**
68 * @brief Defines the DIF seed value used for the CRC calculation.
69 */
70 #ifndef OCS_FC_DIF_SEED
71 #define OCS_FC_DIF_SEED 0
72 #endif
73
74 /***************************************************************************
75 * Timeouts
76 */
77 #ifndef OCS_FC_ELS_SEND_DEFAULT_TIMEOUT
78 #define OCS_FC_ELS_SEND_DEFAULT_TIMEOUT 0
79 #endif
80
81 #ifndef OCS_FC_ELS_CT_SEND_DEFAULT_TIMEOUT
82 #define OCS_FC_ELS_CT_SEND_DEFAULT_TIMEOUT 5
83 #endif
84
85 #ifndef OCS_FC_ELS_DEFAULT_RETRIES
86 #define OCS_FC_ELS_DEFAULT_RETRIES 3
87 #endif
88
89 #ifndef OCS_FC_FLOGI_TIMEOUT_SEC
90 #define OCS_FC_FLOGI_TIMEOUT_SEC 5 /* shorter than default */
91 #endif
92
93 #ifndef OCS_FC_DOMAIN_SHUTDOWN_TIMEOUT_USEC
94 #define OCS_FC_DOMAIN_SHUTDOWN_TIMEOUT_USEC 30000000 /* 30 seconds */
95 #endif
96
97 /***************************************************************************
98 * Watermark
99 */
100 #ifndef OCS_WATERMARK_HIGH_PCT
101 #define OCS_WATERMARK_HIGH_PCT 90
102 #endif
103 #ifndef OCS_WATERMARK_LOW_PCT
104 #define OCS_WATERMARK_LOW_PCT 80
105 #endif
106 #ifndef OCS_IO_WATERMARK_PER_INITIATOR
107 #define OCS_IO_WATERMARK_PER_INITIATOR 8
108 #endif
109
110 extern void ocs_node_init_device(ocs_node_t *node, int send_plogi);
111 extern void ocs_process_prli_payload(ocs_node_t *node, fc_prli_payload_t *prli);
112 extern void ocs_d_send_prli_rsp(ocs_io_t *io, uint16_t ox_id);
113 extern void ocs_send_ls_acc_after_attach(ocs_io_t *io, fc_header_t *hdr, ocs_node_send_ls_acc_e ls);
114
115 extern void*__ocs_d_wait_loop(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
116 extern void*__ocs_d_wait_plogi_acc_cmpl(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
117 extern void*__ocs_d_init(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
118 extern void*__ocs_d_wait_plogi_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
119 extern void*__ocs_d_wait_plogi_rsp_recvd_prli(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
120 extern void*__ocs_d_wait_domain_attach(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
121 extern void*__ocs_d_wait_topology_notify(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
122 extern void*__ocs_d_wait_node_attach(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
123 extern void*__ocs_d_wait_attach_evt_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
124 extern void*__ocs_d_initiate_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
125 extern void*__ocs_d_port_logged_in(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
126 extern void*__ocs_d_wait_logo_acc_cmpl(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
127 extern void*__ocs_d_device_ready(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
128 extern void*__ocs_d_device_gone(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
129 extern void*__ocs_d_wait_adisc_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
130 extern void*__ocs_d_wait_logo_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
131 extern void*__ocs_d_wait_prlo_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
132
133 #endif /* __OCS_DEVICE_H__ */
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