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/* gsmd machine plugin core
*
* Written by Philipp Zabel <philipp.zabel@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <dlfcn.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <common/linux_list.h>
#include "gsmd.h"
#include <gsmd/gsmd.h>
#include <gsmd/machineplugin.h>
static LLIST_HEAD(machinepl_list);
int gsmd_machine_plugin_register(struct gsmd_machine_plugin *pl)
{
llist_add(&pl->list, &machinepl_list);
return 0;
}
void gsmd_machine_plugin_unregister(struct gsmd_machine_plugin *pl)
{
llist_del(&pl->list);
}
int gsmd_machine_plugin_find(struct gsmd *g)
{
struct gsmd_machine_plugin *pl;
if (g->machinepl)
return -EEXIST;
llist_for_each_entry(pl, &machinepl_list, list) {
if (pl->detect(g) == 1) {
DEBUGP("selecting machine plugin \"%s\"\n", pl->name);
g->machinepl = pl;
return 1;
}
}
return 0;
}
int gsmd_machine_plugin_load(char *name)
{
int rc = -1;
void *plugin;
struct gsmd_machine_plugin *pl;
char buf[128];
DEBUGP("loading machine plugin \"%s\"\n", name);
snprintf(buf, sizeof(buf), PLUGINDIR"/libgsmd-machine_%s.so", name);
plugin = dlopen(buf, RTLD_LAZY);
if (!plugin) {
fprintf(stderr, "gsmd_machine_plugin_load: %s\n", dlerror());
return -1;
}
pl = dlsym(plugin, "gsmd_machine_plugin");
if (pl)
rc = gsmd_machine_plugin_register(pl);
else
dlclose(plugin);
return rc;
}
/* maybe /etc/gsmd/cpuinfo */
struct machines {
char *cpuinfo;
char *machine;
char *vendor;
} machines[] = {
{ "GTA01", "generic", "ti" },
{ "GTA02", "generic", "ti" },
{ "HTC Blueangel", "tihtc", "tihtc" },
{ "HTC Himalaya", "tihtc", "tihtc" },
{ "HTC Magician", "tihtc", "tihtc" },
{ "HTC Universal", "generic", "qc" },
{ NULL, NULL, NULL },
};
int gsmd_machine_plugin_init(struct gsmd *g, char *machine_name, char *vendor_name)
{
FILE *cpuinfo;
char buf[1024];
char *line, *hw = NULL;
int i, rc;
cpuinfo = fopen("/proc/cpuinfo", "r");
fread(buf, sizeof(buf), 1, cpuinfo);
fclose(cpuinfo);
buf[sizeof(buf)-1] = '\0';
line = strtok(buf, "\n");
while (line = strtok(NULL, "\n")) {
if (strncmp(line, "Hardware\t: ", 11) == 0) {
hw = line+11;
break;
}
}
if (hw) {
/* FIXME: do this dynamically */
for (i = 0; machines[i].cpuinfo; i++) {
if (strcmp(hw, machines[i].cpuinfo) == 0) {
DEBUGP("detected '%s' hardware\n", hw);
if (machine_name)
DEBUGP("warning: auto-detected machine '%s', "
"but user override to '%s'\n",
machines[i].machine, machine_name);
else
machine_name = machines[i].machine;
if (vendor_name)
DEBUGP("wanring: auto-detected vendor '%s', "
"but user override to '%s'\m",
machines[i].vendor, vendor_name);
else
vendor_name = machines[i].vendor;
break;
}
}
}
if (machine_name)
rc = gsmd_machine_plugin_load(machine_name);
else
rc = gsmd_machine_plugin_load("generic");
if (vendor_name)
gsmd_vendor_plugin_load(vendor_name);
else {
gsmd_vendor_plugin_load("ti");
gsmd_vendor_plugin_load("tihtc");
gsmd_vendor_plugin_load("qc");
}
return rc;
}
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