FreeBSD/Linux Kernel Cross Reference
sys/dev/tws/tws_user.h
1 /*
2 * Copyright (c) 2010, LSI Corp.
3 * All rights reserved.
4 * Author : Manjunath Ranganathaiah
5 * Support: freebsdraid@lsi.com
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of the <ORGANIZATION> nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 * $FreeBSD: releng/11.2/sys/dev/tws/tws_user.h 331722 2018-03-29 02:50:57Z eadler $
35 */
36
37 #define TWS_AEN_NOT_RETRIEVED 0x1
38 #define TWS_AEN_RETRIEVED 0x2
39
40 #define TWS_AEN_NO_EVENTS 0x1003 /* No more events */
41 #define TWS_AEN_OVERFLOW 0x1004 /* AEN overflow occurred */
42
43 #define TWS_IOCTL_LOCK_NOT_HELD 0x1001 /* Not locked */
44 #define TWS_IOCTL_LOCK_ALREADY_HELD 0x1002 /* Already locked */
45
46 #define TWS_IOCTL_LOCK_HELD 0x1
47 #define TWS_IOCTL_LOCK_FREE 0x0
48
49 #pragma pack(1)
50
51 /* Structure used to handle GET/RELEASE LOCK ioctls. */
52 struct tws_lock_packet {
53 u_int32_t timeout_msec;
54 u_int32_t time_remaining_msec;
55 u_int32_t force_flag;
56 };
57
58 /* Structure used to handle GET COMPATIBILITY INFO ioctl. */
59 struct tws_compatibility_packet {
60 u_int8_t driver_version[32];/* driver version */
61 u_int16_t working_srl; /* driver & firmware negotiated srl */
62 u_int16_t working_branch; /* branch # of the firmware that the
63 driver is compatible with */
64 u_int16_t working_build; /* build # of the firmware that the
65 driver is compatible with */
66 u_int16_t driver_srl_high;/* highest driver supported srl */
67 u_int16_t driver_branch_high;/* highest driver supported branch */
68 u_int16_t driver_build_high;/* highest driver supported build */
69 u_int16_t driver_srl_low;/* lowest driver supported srl */
70 u_int16_t driver_branch_low;/* lowest driver supported branch */
71 u_int16_t driver_build_low;/* lowest driver supported build */
72 u_int16_t fw_on_ctlr_srl; /* srl of running firmware */
73 u_int16_t fw_on_ctlr_branch;/* branch # of running firmware */
74 u_int16_t fw_on_ctlr_build;/* build # of running firmware */
75 };
76
77
78 /* Driver understandable part of the ioctl packet built by the API. */
79 struct tws_driver_packet {
80 u_int32_t control_code;
81 u_int32_t status;
82 u_int32_t unique_id;
83 u_int32_t sequence_id;
84 u_int32_t os_status;
85 u_int32_t buffer_length;
86 };
87
88 /* ioctl packet built by the API. */
89 struct tws_ioctl_packet {
90 struct tws_driver_packet driver_pkt;
91 char padding[488];
92 struct tws_command_packet cmd_pkt;
93 char data_buf[1];
94 };
95
96 #pragma pack()
97
98
99 #pragma pack(1)
100 /*
101 * We need the structure below to ensure that the first byte of
102 * data_buf is not overwritten by the kernel, after we return
103 * from the ioctl call. Note that cmd_pkt has been reduced
104 * to an array of 1024 bytes even though it's actually 2048 bytes
105 * in size. This is because, we don't expect requests from user
106 * land requiring 2048 (273 sg elements) byte cmd pkts.
107 */
108 struct tws_ioctl_no_data_buf {
109 struct tws_driver_packet driver_pkt;
110 void *pdata; /* points to data_buf */
111 char padding[488 - sizeof(void *)];
112 struct tws_command_packet cmd_pkt;
113 };
114
115 #pragma pack()
116
117
118 #include <sys/ioccom.h>
119
120 #pragma pack(1)
121
122 struct tws_ioctl_with_payload {
123 struct tws_driver_packet driver_pkt;
124 char padding[488];
125 struct tws_command_packet cmd_pkt;
126 union {
127 struct tws_event_packet event_pkt;
128 struct tws_lock_packet lock_pkt;
129 struct tws_compatibility_packet compat_pkt;
130 char data_buf[1];
131 } payload;
132 };
133
134 #pragma pack()
135
136 /* ioctl cmds */
137
138 #define TWS_IOCTL_SCAN_BUS \
139 _IO('T', 200)
140 #define TWS_IOCTL_FIRMWARE_PASS_THROUGH \
141 _IOWR('T', 202, struct tws_ioctl_no_data_buf)
142 #define TWS_IOCTL_GET_FIRST_EVENT \
143 _IOWR('T', 203, struct tws_ioctl_with_payload)
144 #define TWS_IOCTL_GET_LAST_EVENT \
145 _IOWR('T', 204, struct tws_ioctl_with_payload)
146 #define TWS_IOCTL_GET_NEXT_EVENT \
147 _IOWR('T', 205, struct tws_ioctl_with_payload)
148 #define TWS_IOCTL_GET_PREVIOUS_EVENT \
149 _IOWR('T', 206, struct tws_ioctl_with_payload)
150 #define TWS_IOCTL_GET_LOCK \
151 _IOWR('T', 207, struct tws_ioctl_with_payload)
152 #define TWS_IOCTL_RELEASE_LOCK \
153 _IOWR('T', 208, struct tws_ioctl_with_payload)
154 #define TWS_IOCTL_GET_COMPATIBILITY_INFO \
155 _IOWR('T', 209, struct tws_ioctl_with_payload)
156
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