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