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