1/*
2 * Support the inventory interface for IRIX binaries
3 * This is invoked before the mm layer is working, so we do not
4 * use the linked lists for the inventory yet.
5 *
6 * Miguel de Icaza, 1997.
7 */
8#include <linux/mm.h>
9#include <linux/init.h>
10#include <linux/slab.h>
11#include <asm/uaccess.h>
12#include <asm/inventory.h>
13
14#define MAX_INVENTORY 50
15int inventory_items = 0;
16
17static inventory_t inventory [MAX_INVENTORY];
18
19void add_to_inventory (int class, int type, int controller, int unit, int state)
20{
21	inventory_t *ni = &inventory [inventory_items];
22
23	if (inventory_items == MAX_INVENTORY)
24		return;
25
26	ni->inv_class      = class;
27	ni->inv_type       = type;
28	ni->inv_controller = controller;
29	ni->inv_unit       = unit;
30	ni->inv_state      = state;
31	ni->inv_next       = ni;
32	inventory_items++;
33}
34
35int dump_inventory_to_user (void *userbuf, int size)
36{
37	inventory_t *inv  = &inventory [0];
38	inventory_t *user = userbuf;
39	int v;
40
41	if ((v = verify_area (VERIFY_WRITE, userbuf, size)))
42		return v;
43
44	for (v = 0; v < inventory_items; v++){
45		inv = &inventory [v];
46		copy_to_user (user, inv, sizeof (inventory_t));
47		user++;
48	}
49	return inventory_items * sizeof (inventory_t);
50}
51
52static int __init init_inventory(void)
53{
54	/*
55	 * gross hack while we put the right bits all over the kernel
56	 * most likely this will not let just anyone run the X server
57	 * until we put the right values all over the place
58	 */
59	add_to_inventory (10, 3, 0, 0, 16400);
60	add_to_inventory (1, 1, 150, -1, 12);
61	add_to_inventory (1, 3, 0, 0, 8976);
62	add_to_inventory (1, 2, 0, 0, 8976);
63	add_to_inventory (4, 8, 0, 0, 2);
64	add_to_inventory (5, 5, 0, 0, 1);
65	add_to_inventory (3, 3, 0, 0, 32768);
66	add_to_inventory (3, 4, 0, 0, 32768);
67	add_to_inventory (3, 8, 0, 0, 524288);
68	add_to_inventory (3, 9, 0, 0, 64);
69	add_to_inventory (3, 1, 0, 0, 67108864);
70	add_to_inventory (12, 3, 0, 0, 16);
71	add_to_inventory (8, 7, 17, 0, 16777472);
72	add_to_inventory (8, 0, 0, 0, 1);
73	add_to_inventory (2, 1, 0, 13, 2);
74	add_to_inventory (2, 2, 0, 2, 0);
75	add_to_inventory (2, 2, 0, 1, 0);
76	add_to_inventory (7, 14, 0, 0, 6);
77
78	return 0;
79}
80
81module_init(init_inventory);
82