ide-tape: fix vendor strings
[linux-3.10.git] / drivers / ieee1394 / config_roms.c
1 /*
2  * IEEE 1394 for Linux
3  *
4  * ConfigROM  entries
5  *
6  * Copyright (C) 2004 Ben Collins
7  *
8  * This code is licensed under the GPL.  See the file COPYING in the root
9  * directory of the kernel sources for details.
10  */
11
12 #include <linux/types.h>
13
14 #include "csr1212.h"
15 #include "ieee1394.h"
16 #include "ieee1394_types.h"
17 #include "hosts.h"
18 #include "ieee1394_core.h"
19 #include "highlevel.h"
20 #include "csr.h"
21 #include "config_roms.h"
22
23 struct hpsb_config_rom_entry {
24         const char *name;
25
26         /* Base initialization, called at module load */
27         int (*init)(void);
28
29         /* Cleanup called at module exit */
30         void (*cleanup)(void);
31
32         /* The flag added to host->config_roms */
33         unsigned int flag;
34 };
35
36 /* The default host entry. This must succeed. */
37 int hpsb_default_host_entry(struct hpsb_host *host)
38 {
39         struct csr1212_keyval *root;
40         struct csr1212_keyval *vend_id = NULL;
41         struct csr1212_keyval *text = NULL;
42         char csr_name[128];
43         int ret;
44
45         sprintf(csr_name, "Linux - %s", host->driver->name);
46         root = host->csr.rom->root_kv;
47
48         vend_id = csr1212_new_immediate(CSR1212_KV_ID_VENDOR, host->csr.guid_hi >> 8);
49         text = csr1212_new_string_descriptor_leaf(csr_name);
50
51         if (!vend_id || !text) {
52                 if (vend_id)
53                         csr1212_release_keyval(vend_id);
54                 if (text)
55                         csr1212_release_keyval(text);
56                 csr1212_destroy_csr(host->csr.rom);
57                 return -ENOMEM;
58         }
59
60         csr1212_associate_keyval(vend_id, text);
61         csr1212_release_keyval(text);
62         ret = csr1212_attach_keyval_to_directory(root, vend_id);
63         csr1212_release_keyval(vend_id);
64         if (ret != CSR1212_SUCCESS) {
65                 csr1212_destroy_csr(host->csr.rom);
66                 return -ENOMEM;
67         }
68
69         host->update_config_rom = 1;
70
71         return 0;
72 }
73
74
75 #ifdef CONFIG_IEEE1394_ETH1394_ROM_ENTRY
76 #include "eth1394.h"
77
78 static struct csr1212_keyval *ip1394_ud;
79
80 static int config_rom_ip1394_init(void)
81 {
82         struct csr1212_keyval *spec_id = NULL;
83         struct csr1212_keyval *spec_desc = NULL;
84         struct csr1212_keyval *ver = NULL;
85         struct csr1212_keyval *ver_desc = NULL;
86         int ret = -ENOMEM;
87
88         ip1394_ud = csr1212_new_directory(CSR1212_KV_ID_UNIT);
89
90         spec_id = csr1212_new_immediate(CSR1212_KV_ID_SPECIFIER_ID,
91                                         ETHER1394_GASP_SPECIFIER_ID);
92         spec_desc = csr1212_new_string_descriptor_leaf("IANA");
93         ver = csr1212_new_immediate(CSR1212_KV_ID_VERSION,
94                                     ETHER1394_GASP_VERSION);
95         ver_desc = csr1212_new_string_descriptor_leaf("IPv4");
96
97         if (!ip1394_ud || !spec_id || !spec_desc || !ver || !ver_desc)
98                 goto ip1394_fail;
99
100         csr1212_associate_keyval(spec_id, spec_desc);
101         csr1212_associate_keyval(ver, ver_desc);
102         if (csr1212_attach_keyval_to_directory(ip1394_ud, spec_id)
103                         == CSR1212_SUCCESS &&
104             csr1212_attach_keyval_to_directory(ip1394_ud, ver)
105                         == CSR1212_SUCCESS)
106                 ret = 0;
107
108 ip1394_fail:
109         if (ret && ip1394_ud) {
110                 csr1212_release_keyval(ip1394_ud);
111                 ip1394_ud = NULL;
112         }
113
114         if (spec_id)
115                 csr1212_release_keyval(spec_id);
116         if (spec_desc)
117                 csr1212_release_keyval(spec_desc);
118         if (ver)
119                 csr1212_release_keyval(ver);
120         if (ver_desc)
121                 csr1212_release_keyval(ver_desc);
122
123         return ret;
124 }
125
126 static void config_rom_ip1394_cleanup(void)
127 {
128         if (ip1394_ud) {
129                 csr1212_release_keyval(ip1394_ud);
130                 ip1394_ud = NULL;
131         }
132 }
133
134 int hpsb_config_rom_ip1394_add(struct hpsb_host *host)
135 {
136         if (!ip1394_ud)
137                 return -ENODEV;
138
139         if (csr1212_attach_keyval_to_directory(host->csr.rom->root_kv,
140                                                ip1394_ud) != CSR1212_SUCCESS)
141                 return -ENOMEM;
142
143         host->config_roms |= HPSB_CONFIG_ROM_ENTRY_IP1394;
144         host->update_config_rom = 1;
145         return 0;
146 }
147 EXPORT_SYMBOL_GPL(hpsb_config_rom_ip1394_add);
148
149 void hpsb_config_rom_ip1394_remove(struct hpsb_host *host)
150 {
151         csr1212_detach_keyval_from_directory(host->csr.rom->root_kv, ip1394_ud);
152         host->config_roms &= ~HPSB_CONFIG_ROM_ENTRY_IP1394;
153         host->update_config_rom = 1;
154 }
155 EXPORT_SYMBOL_GPL(hpsb_config_rom_ip1394_remove);
156
157 static struct hpsb_config_rom_entry ip1394_entry = {
158         .name           = "ip1394",
159         .init           = config_rom_ip1394_init,
160         .cleanup        = config_rom_ip1394_cleanup,
161         .flag           = HPSB_CONFIG_ROM_ENTRY_IP1394,
162 };
163
164 #endif /* CONFIG_IEEE1394_ETH1394_ROM_ENTRY */
165
166 static struct hpsb_config_rom_entry *const config_rom_entries[] = {
167 #ifdef CONFIG_IEEE1394_ETH1394_ROM_ENTRY
168         &ip1394_entry,
169 #endif
170 };
171
172 /* Initialize all config roms */
173 int hpsb_init_config_roms(void)
174 {
175         int i, error = 0;
176
177         for (i = 0; i < ARRAY_SIZE(config_rom_entries); i++)
178                 if (config_rom_entries[i]->init()) {
179                         HPSB_ERR("Failed to initialize config rom entry `%s'",
180                                  config_rom_entries[i]->name);
181                         error = -1;
182                 }
183
184         return error;
185 }
186
187 /* Cleanup all config roms */
188 void hpsb_cleanup_config_roms(void)
189 {
190         int i;
191
192         for (i = 0; i < ARRAY_SIZE(config_rom_entries); i++)
193                 config_rom_entries[i]->cleanup();
194 }