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