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/*
* Copyright (C) 2020 Free Software Foundation
*
* 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, 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, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdarg.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <error.h>
#include <argp.h>
#include <version.h>
#include "libmachdev/machdev.h"
#include "block-rump.h"
#include <pthread.h>
#include <mach.h>
/* TODO: Add api to pciaccess to allow selecting backend.
* For now we pretend to be the arbiter and claim x86 method.
*/
char *netfs_server_name = "pci-arbiter";
mach_port_t bootstrap_resume_task = MACH_PORT_NULL;
static const struct argp_option options[] = {
{"host-priv-port", 'h', "PORT", 0, "Host private port PORT"},
{"device-master-port",'d', "PORT", 0, "Device master port PORT"},
{"filesystem-task", 'f', "TASK", 0, "Filesystem task TASK"},
{0}
};
/* Parse a command line option. */
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
/* We save our parsed values in this structure, hung off STATE->hook.
Only after parsing all options successfully will we use these values. */
struct
{
int host_priv;
int dev_master;
int fs_task;
} *values = state->hook;
switch (key)
{
case 'h':
values->host_priv = atoi(arg);
break;
case 'd':
values->dev_master = atoi(arg);
break;
case 'f':
values->fs_task = atoi(arg);
break;
case ARGP_KEY_INIT:
state->child_inputs[0] = state->input;
values = malloc (sizeof *values);
if (values == 0)
return ENOMEM;
state->hook = values;
memset (values, 0, sizeof *values);
break;
case ARGP_KEY_SUCCESS:
/* All options parsed successfully */
_hurd_host_priv = values->host_priv;
_hurd_device_master = values->dev_master;
bootstrap_resume_task = values->fs_task;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp_child empty_argp_children[] = {{0}};
static struct argp rumpdisk_argp = {options, parse_opt, 0, 0, empty_argp_children};
static const struct argp *rumpdisk_argp_bootup = &rumpdisk_argp;
int
main (int argc, char **argv)
{
mach_port_t bootstrap = MACH_PORT_NULL;
int err;
pthread_t t;
setenv ("RUMP_NCPU", "1", 1);
setenv ("RUMP_VERBOSE", "1", 1);
setenv ("RUMP_HOSTNAME", "HURD0", 1);
setenv ("HOSTNAME", "HURD0", 1);
setenv ("RUMP_PANIC", "1", 1);
err = argp_parse (rumpdisk_argp_bootup, argc, argv, 0, 0, NULL);
if (err)
{
error(1, err, "Missing parameters for bootstrap");
}
rump_register_block ();
machdev_device_init ();
machdev_trivfs_init (bootstrap_resume_task, "rumpdisk", "/dev/rumpdisk", &bootstrap);
err = pthread_create (&t, NULL, machdev_server, NULL);
if (err)
return err;
pthread_detach (t);
machdev_trivfs_server (bootstrap);
/* Let the other threads do their job */
pthread_exit (NULL);
return 0;
}
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