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-rw-r--r--include/linux/crc-itu-t.h28
-rw-r--r--include/linux/firewire-cdev.h229
-rw-r--r--include/linux/firewire-constants.h67
3 files changed, 324 insertions, 0 deletions
diff --git a/include/linux/crc-itu-t.h b/include/linux/crc-itu-t.h
new file mode 100644
index 000000000000..84920f3cc83e
--- /dev/null
+++ b/include/linux/crc-itu-t.h
@@ -0,0 +1,28 @@
1/*
2 * crc-itu-t.h - CRC ITU-T V.41 routine
3 *
4 * Implements the standard CRC ITU-T V.41:
5 * Width 16
6 * Poly 0x0x1021 (x^16 + x^12 + x^15 + 1)
7 * Init 0
8 *
9 * This source code is licensed under the GNU General Public License,
10 * Version 2. See the file COPYING for more details.
11 */
12
13#ifndef CRC_ITU_T_H
14#define CRC_ITU_T_H
15
16#include <linux/types.h>
17
18extern u16 const crc_itu_t_table[256];
19
20extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len);
21
22static inline u16 crc_itu_t_byte(u16 crc, const u8 data)
23{
24 return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff];
25}
26
27#endif /* CRC_ITU_T_H */
28
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
new file mode 100644
index 000000000000..d4455eb2ae35
--- /dev/null
+++ b/include/linux/firewire-cdev.h
@@ -0,0 +1,229 @@
1/*
2 * Char device interface.
3 *
4 * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21#ifndef _LINUX_FIREWIRE_CDEV_H
22#define _LINUX_FIREWIRE_CDEV_H
23
24#include <linux/ioctl.h>
25#include <linux/types.h>
26#include <linux/firewire-constants.h>
27
28#define FW_CDEV_EVENT_BUS_RESET 0x00
29#define FW_CDEV_EVENT_RESPONSE 0x01
30#define FW_CDEV_EVENT_REQUEST 0x02
31#define FW_CDEV_EVENT_ISO_INTERRUPT 0x03
32
33/* The 'closure' fields are for user space to use. Data passed in the
34 * 'closure' field for a request will be returned in the corresponding
35 * event. It's a 64-bit type so that it's a fixed size type big
36 * enough to hold a pointer on all platforms. */
37
38struct fw_cdev_event_common {
39 __u64 closure;
40 __u32 type;
41};
42
43struct fw_cdev_event_bus_reset {
44 __u64 closure;
45 __u32 type;
46 __u32 node_id;
47 __u32 local_node_id;
48 __u32 bm_node_id;
49 __u32 irm_node_id;
50 __u32 root_node_id;
51 __u32 generation;
52};
53
54struct fw_cdev_event_response {
55 __u64 closure;
56 __u32 type;
57 __u32 rcode;
58 __u32 length;
59 __u32 data[0];
60};
61
62struct fw_cdev_event_request {
63 __u64 closure;
64 __u32 type;
65 __u32 tcode;
66 __u64 offset;
67 __u32 handle;
68 __u32 length;
69 __u32 data[0];
70};
71
72struct fw_cdev_event_iso_interrupt {
73 __u64 closure;
74 __u32 type;
75 __u32 cycle;
76 __u32 header_length; /* Length in bytes of following headers. */
77 __u32 header[0];
78};
79
80union fw_cdev_event {
81 struct fw_cdev_event_common common;
82 struct fw_cdev_event_bus_reset bus_reset;
83 struct fw_cdev_event_response response;
84 struct fw_cdev_event_request request;
85 struct fw_cdev_event_iso_interrupt iso_interrupt;
86};
87
88#define FW_CDEV_IOC_GET_INFO _IOWR('#', 0x00, struct fw_cdev_get_info)
89#define FW_CDEV_IOC_SEND_REQUEST _IOW('#', 0x01, struct fw_cdev_send_request)
90#define FW_CDEV_IOC_ALLOCATE _IOWR('#', 0x02, struct fw_cdev_allocate)
91#define FW_CDEV_IOC_DEALLOCATE _IOW('#', 0x03, struct fw_cdev_deallocate)
92#define FW_CDEV_IOC_SEND_RESPONSE _IOW('#', 0x04, struct fw_cdev_send_response)
93#define FW_CDEV_IOC_INITIATE_BUS_RESET _IOW('#', 0x05, struct fw_cdev_initiate_bus_reset)
94#define FW_CDEV_IOC_ADD_DESCRIPTOR _IOWR('#', 0x06, struct fw_cdev_add_descriptor)
95#define FW_CDEV_IOC_REMOVE_DESCRIPTOR _IOW('#', 0x07, struct fw_cdev_remove_descriptor)
96
97#define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IOWR('#', 0x08, struct fw_cdev_create_iso_context)
98#define FW_CDEV_IOC_QUEUE_ISO _IOWR('#', 0x09, struct fw_cdev_queue_iso)
99#define FW_CDEV_IOC_START_ISO _IOW('#', 0x0a, struct fw_cdev_start_iso)
100#define FW_CDEV_IOC_STOP_ISO _IOW('#', 0x0b, struct fw_cdev_stop_iso)
101
102/* FW_CDEV_VERSION History
103 *
104 * 1 Feb 18, 2007: Initial version.
105 */
106#define FW_CDEV_VERSION 1
107
108struct fw_cdev_get_info {
109 /* The version field is just a running serial number. We
110 * never break backwards compatibility. Userspace passes in
111 * the version it expects and the kernel passes back the
112 * highest version it can provide. Even if the structs in
113 * this interface are extended in a later version, the kernel
114 * will not copy back more data than what was present in the
115 * interface version userspace expects. */
116 __u32 version;
117
118 /* If non-zero, at most rom_length bytes of config rom will be
119 * copied into that user space address. In either case,
120 * rom_length is updated with the actual length of the config
121 * rom. */
122 __u32 rom_length;
123 __u64 rom;
124
125 /* If non-zero, a fw_cdev_event_bus_reset struct will be
126 * copied here with the current state of the bus. This does
127 * not cause a bus reset to happen. The value of closure in
128 * this and sub-sequent bus reset events is set to
129 * bus_reset_closure. */
130 __u64 bus_reset;
131 __u64 bus_reset_closure;
132
133 /* The index of the card this devices belongs to. */
134 __u32 card;
135};
136
137struct fw_cdev_send_request {
138 __u32 tcode;
139 __u32 length;
140 __u64 offset;
141 __u64 closure;
142 __u64 data;
143 __u32 generation;
144};
145
146struct fw_cdev_send_response {
147 __u32 rcode;
148 __u32 length;
149 __u64 data;
150 __u32 handle;
151};
152
153struct fw_cdev_allocate {
154 __u64 offset;
155 __u64 closure;
156 __u32 length;
157 __u32 handle;
158};
159
160struct fw_cdev_deallocate {
161 __u32 handle;
162};
163
164#define FW_CDEV_LONG_RESET 0
165#define FW_CDEV_SHORT_RESET 1
166
167struct fw_cdev_initiate_bus_reset {
168 __u32 type;
169};
170
171struct fw_cdev_add_descriptor {
172 __u32 immediate;
173 __u32 key;
174 __u64 data;
175 __u32 length;
176 __u32 handle;
177};
178
179struct fw_cdev_remove_descriptor {
180 __u32 handle;
181};
182
183#define FW_CDEV_ISO_CONTEXT_TRANSMIT 0
184#define FW_CDEV_ISO_CONTEXT_RECEIVE 1
185
186#define FW_CDEV_ISO_CONTEXT_MATCH_TAG0 1
187#define FW_CDEV_ISO_CONTEXT_MATCH_TAG1 2
188#define FW_CDEV_ISO_CONTEXT_MATCH_TAG2 4
189#define FW_CDEV_ISO_CONTEXT_MATCH_TAG3 8
190#define FW_CDEV_ISO_CONTEXT_MATCH_ALL_TAGS 15
191
192struct fw_cdev_create_iso_context {
193 __u32 type;
194 __u32 header_size;
195 __u32 channel;
196 __u32 speed;
197 __u64 closure;
198 __u32 handle;
199};
200
201struct fw_cdev_iso_packet {
202 __u16 payload_length; /* Length of indirect payload. */
203 __u32 interrupt : 1; /* Generate interrupt on this packet */
204 __u32 skip : 1; /* Set to not send packet at all. */
205 __u32 tag : 2;
206 __u32 sy : 4;
207 __u32 header_length : 8; /* Length of immediate header. */
208 __u32 header[0];
209};
210
211struct fw_cdev_queue_iso {
212 __u64 packets;
213 __u64 data;
214 __u32 size;
215 __u32 handle;
216};
217
218struct fw_cdev_start_iso {
219 __s32 cycle;
220 __u32 sync;
221 __u32 tags;
222 __u32 handle;
223};
224
225struct fw_cdev_stop_iso {
226 __u32 handle;
227};
228
229#endif /* _LINUX_FIREWIRE_CDEV_H */
diff --git a/include/linux/firewire-constants.h b/include/linux/firewire-constants.h
new file mode 100644
index 000000000000..b316770a43fd
--- /dev/null
+++ b/include/linux/firewire-constants.h
@@ -0,0 +1,67 @@
1#ifndef _LINUX_FIREWIRE_CONSTANTS_H
2#define _LINUX_FIREWIRE_CONSTANTS_H
3
4#define TCODE_WRITE_QUADLET_REQUEST 0x0
5#define TCODE_WRITE_BLOCK_REQUEST 0x1
6#define TCODE_WRITE_RESPONSE 0x2
7#define TCODE_READ_QUADLET_REQUEST 0x4
8#define TCODE_READ_BLOCK_REQUEST 0x5
9#define TCODE_READ_QUADLET_RESPONSE 0x6
10#define TCODE_READ_BLOCK_RESPONSE 0x7
11#define TCODE_CYCLE_START 0x8
12#define TCODE_LOCK_REQUEST 0x9
13#define TCODE_STREAM_DATA 0xa
14#define TCODE_LOCK_RESPONSE 0xb
15
16#define EXTCODE_MASK_SWAP 0x1
17#define EXTCODE_COMPARE_SWAP 0x2
18#define EXTCODE_FETCH_ADD 0x3
19#define EXTCODE_LITTLE_ADD 0x4
20#define EXTCODE_BOUNDED_ADD 0x5
21#define EXTCODE_WRAP_ADD 0x6
22#define EXTCODE_VENDOR_DEPENDENT 0x7
23
24/* Juju specific tcodes */
25#define TCODE_LOCK_MASK_SWAP (0x10 | EXTCODE_MASK_SWAP)
26#define TCODE_LOCK_COMPARE_SWAP (0x10 | EXTCODE_COMPARE_SWAP)
27#define TCODE_LOCK_FETCH_ADD (0x10 | EXTCODE_FETCH_ADD)
28#define TCODE_LOCK_LITTLE_ADD (0x10 | EXTCODE_LITTLE_ADD)
29#define TCODE_LOCK_BOUNDED_ADD (0x10 | EXTCODE_BOUNDED_ADD)
30#define TCODE_LOCK_WRAP_ADD (0x10 | EXTCODE_WRAP_ADD)
31#define TCODE_LOCK_VENDOR_DEPENDENT (0x10 | EXTCODE_VENDOR_DEPENDENT)
32
33#define RCODE_COMPLETE 0x0
34#define RCODE_CONFLICT_ERROR 0x4
35#define RCODE_DATA_ERROR 0x5
36#define RCODE_TYPE_ERROR 0x6
37#define RCODE_ADDRESS_ERROR 0x7
38
39/* Juju specific rcodes */
40#define RCODE_SEND_ERROR 0x10
41#define RCODE_CANCELLED 0x11
42#define RCODE_BUSY 0x12
43#define RCODE_GENERATION 0x13
44#define RCODE_NO_ACK 0x14
45
46#define SCODE_100 0x0
47#define SCODE_200 0x1
48#define SCODE_400 0x2
49#define SCODE_800 0x3
50#define SCODE_1600 0x4
51#define SCODE_3200 0x5
52#define SCODE_BETA 0x3
53
54#define ACK_COMPLETE 0x1
55#define ACK_PENDING 0x2
56#define ACK_BUSY_X 0x4
57#define ACK_BUSY_A 0x5
58#define ACK_BUSY_B 0x6
59#define ACK_DATA_ERROR 0xd
60#define ACK_TYPE_ERROR 0xe
61
62#define RETRY_1 0x00
63#define RETRY_X 0x01
64#define RETRY_A 0x02
65#define RETRY_B 0x03
66
67#endif /* _LINUX_FIREWIRE_CONSTANTS_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-13 20:48:04 -0500