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/*
* 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);
/* Add entry to specified host */
int (*add)(struct hpsb_host *host);
/* Remove entry from specified host */
void (*remove)(struct hpsb_host *host);
/* 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;
}
ret = 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_CONFIG_ROM_IP1394
#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;
if (csr1212_associate_keyval(spec_id, spec_desc) == CSR1212_SUCCESS &&
csr1212_associate_keyval(ver, ver_desc) == CSR1212_SUCCESS &&
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;
}
}
static int 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;
return 0;
}
static void config_rom_ip1394_remove(struct hpsb_host *host)
{
csr1212_detach_keyval_from_directory(host->csr.rom->root_kv, ip1394_ud);
}
static struct hpsb_config_rom_entry ip1394_entry = {
.name = "ip1394",
.init = config_rom_ip1394_init,
.add = config_rom_ip1394_add,
.remove = config_rom_ip1394_remove,
.cleanup = config_rom_ip1394_cleanup,
.flag = HPSB_CONFIG_ROM_ENTRY_IP1394,
};
#endif /* CONFIG_IEEE1394_CONFIG_ROM_IP1394 */
static struct hpsb_config_rom_entry *const config_rom_entries[] = {
#ifdef CONFIG_IEEE1394_CONFIG_ROM_IP1394
&ip1394_entry,
#endif
NULL,
};
/* Initialize all config roms */
int hpsb_init_config_roms(void)
{
int i, error = 0;
for (i = 0; config_rom_entries[i]; i++) {
if (!config_rom_entries[i]->init)
continue;
if (config_rom_entries[i]->init()) {
HPSB_ERR("Failed to initialize config rom entry `%s'",
config_rom_entries[i]->name);
error = -1;
} else
HPSB_DEBUG("Initialized config rom entry `%s'",
config_rom_entries[i]->name);
}
return error;
}
/* Cleanup all config roms */
void hpsb_cleanup_config_roms(void)
{
int i;
for (i = 0; config_rom_entries[i]; i++) {
if (config_rom_entries[i]->cleanup)
config_rom_entries[i]->cleanup();
}
}
/* Add extra config roms to specified host */
int hpsb_add_extra_config_roms(struct hpsb_host *host)
{
int i, error = 0;
for (i = 0; config_rom_entries[i]; i++) {
if (config_rom_entries[i]->add(host)) {
HPSB_ERR("fw-host%d: Failed to attach config rom entry `%s'",
host->id, config_rom_entries[i]->name);
error = -1;
} else {
host->config_roms |= config_rom_entries[i]->flag;
host->update_config_rom = 1;
}
}
return error;
}
/* Remove extra config roms from specified host */
void hpsb_remove_extra_config_roms(struct hpsb_host *host)
{
int i;
for (i = 0; config_rom_entries[i]; i++) {
if (!(host->config_roms & config_rom_entries[i]->flag))
continue;
config_rom_entries[i]->remove(host);
host->config_roms &= ~config_rom_entries[i]->flag;
host->update_config_rom = 1;
}
}
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