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/*
Copyright (C) 2017 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.org>
This file is part of the GNU Hurd.
The GNU Hurd 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.
The GNU Hurd 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 the GNU Hurd. If not, see <http://www.gnu.org/licenses/>.
*/
/* Fsysopts and command line option parsing */
#ifndef OPTIONS_H
#define OPTIONS_H
#include <stdint.h>
#include <sys/types.h>
#include <argp.h>
#include "pcifs.h"
#define STR2(x) #x
#define STR(x) STR2(x)
/* Used to hold data during argument parsing. */
struct parse_hook
{
/* A list of specified permission sets and their corresponding options. */
struct pcifs_perm *permsets;
size_t num_permsets;
/* Permission set to which options apply. */
struct pcifs_perm *curset;
/* Node cache length */
size_t ncache_len;
};
/* Lwip translator options. Used for both startup and runtime. */
static const struct argp_option options[] = {
{0, 0, 0, 0, "Permission scope:", 1},
{"class", 'C', "CLASS", 0, "Device class in hexadecimal"},
{"subclass", 'c', "SUBCLASS", 0,
"Device subclass in hexadecimal, requires -C"},
{"domain", 'd', "DOMAIN", 0, "Device domain in hexadecimal"},
{"bus", 'b', "BUS", 0, "Device bus in hexadecimal"},
{"slot", 's', "SLOT", 0, "Device slot in hexadecimal, requires -b"},
{"func", 'f', "FUNC", 0, "Device func in hexadecimal, requires -s"},
{"device", 'D', "DEVICE", 0,
"Device address in format [<domain>:]<bus>:<slot>.<func>"},
{0, 0, 0, 0, "These apply to a given permission scope:", 2},
{"uid", 'U', "UID", 0, "User ID to give permissions to"},
{"gid", 'G', "GID", 0, "Group ID to give permissions to"},
{0, 0, 0, 0, "Global configuration options:", 3},
{"ncache", 'n', "LENGTH", 0,
"Node cache length. " STR (NODE_CACHE_MAX) " by default"},
{0}
};
static const char doc[] = "More than one permission scope may be specified. \
-G and -U options create a new permission scope if the current one already \
has a value for that option. If one device is covered by more than one \
permission scope, only the first permission is applied.";
#endif // OPTIONS_H
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