lunaix-os/kernel/mm/cake_export.c

   1 #include <lunaix/fs/twifs.h>
   2 #include <lunaix/mm/cake.h>
   3
   4 extern struct llist_header piles;
   5
   6 int
   7 __cake_stat_gonext(struct twimap* map)
   8 {
   9     struct cake_pile* pile = twimap_index(map, struct cake_pile*);
  10     if (pile->piles.next == &piles) {
  11         return 0;
  12     }
  13     map->index = list_entry(pile->piles.next, struct cake_pile, piles);
  14     return 1;
  15 }
  16
  17 void
  18 __cake_stat_reset(struct twimap* map)
  19 {
  20     map->index = container_of(&piles, struct cake_pile, piles);
  21     twimap_printf(map, "name cakes pages size slices actives\n");
  22 }
  23
  24 void
  25 __cake_rd_stat(struct twimap* map)
  26 {
  27     struct cake_pile* pos = twimap_index(map, struct cake_pile*);
  28     twimap_printf(map,
  29                   "%s %d %d %d %d %d\n",
  30                   pos->pile_name,
  31                   pos->cakes_count,
  32                   pos->pg_per_cake,
  33                   pos->piece_size,
  34                   pos->pieces_per_cake,
  35                   pos->alloced_pieces);
  36 }
  37
  38 void
  39 __cake_rd_psize(struct twimap* map)
  40 {
  41     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  42     twimap_printf(map, "%u", pile->piece_size);
  43 }
  44
  45 void
  46 __cake_rd_ccount(struct twimap* map)
  47 {
  48     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  49     twimap_printf(map, "%u", pile->cakes_count);
  50 }
  51
  52 void
  53 __cake_rd_alloced(struct twimap* map)
  54 {
  55     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  56     twimap_printf(map, "%u", pile->alloced_pieces);
  57 }
  58
  59 void
  60 __cake_rd_ppc(struct twimap* map)
  61 {
  62     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  63     twimap_printf(map, "%u", pile->pieces_per_cake);
  64 }
  65
  66 void
  67 __cake_rd_ppg(struct twimap* map)
  68 {
  69     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  70     twimap_printf(map, "%u", pile->pg_per_cake);
  71 }
  72
  73 void
  74 cake_export_pile(struct twifs_node* root, struct cake_pile* pile)
  75 {
  76     struct twifs_node* pile_rt = twifs_dir_node(root, pile->pile_name);
  77
  78     struct twimap* map = twifs_mapping(pile_rt, pile, "piece_size");
  79     map->read = __cake_rd_psize;
  80
  81     map = twifs_mapping(pile_rt, pile, "cake_count");
  82     map->read = __cake_rd_ccount;
  83
  84     map = twifs_mapping(pile_rt, pile, "grabbed");
  85     map->read = __cake_rd_alloced;
  86
  87     map = twifs_mapping(pile_rt, pile, "pieces_per_cake");
  88     map->read = __cake_rd_ppc;
  89
  90     map = twifs_mapping(pile_rt, pile, "page_per_cake");
  91     map->read = __cake_rd_ppg;
  92 }
  93
  94 void
  95 cake_export()
  96 {
  97     struct twifs_node* cake_root = twifs_dir_node(NULL, "cake");
  98
  99     struct twimap* map = twifs_mapping(cake_root, NULL, "pinkiepie");
 100     map->reset = __cake_stat_reset;
 101     map->go_next = __cake_stat_gonext;
 102     map->read = __cake_rd_stat;
 103
 104     struct cake_pile *pos, *n;
 105     llist_for_each(pos, n, &piles, piles)
 106     {
 107         cake_export_pile(cake_root, pos);
 108     }
 109 }
 110 EXPORT_TWIFS_PLUGIN(cake_alloc, cake_export);