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