include/asm-mips/sn/hub.h

   1 #ifndef __ASM_SN_HUB_H
   2 #define __ASM_SN_HUB_H
   3
   4 #include <linux/types.h>
   5 #include <linux/cpumask.h>
   6 #include <asm/sn/types.h>
   7 #include <asm/sn/io.h>
   8 #include <asm/sn/klkernvars.h>
   9 #include <asm/xtalk/xtalk.h>
  10
  11 #define LEVELS_PER_SLICE        128
  12
  13 struct slice_data {
  14         unsigned long irq_alloc_mask[2];
  15         unsigned long irq_enable_mask[2];
  16         int level_to_irq[LEVELS_PER_SLICE];
  17 };
  18
  19 struct hub_data {
  20         kern_vars_t     kern_vars;
  21         DECLARE_BITMAP  (h_bigwin_used, HUB_NUM_BIG_WINDOW);
  22         cpumask_t       h_cpus;
  23         unsigned long slice_map;
  24         struct slice_data slice[2];
  25 };
  26
  27 extern struct hub_data *hub_data[];
  28 #define HUB_DATA(n)             (hub_data[(n)])
  29
  30 /* ip27-hubio.c */
  31 extern unsigned long hub_pio_map(cnodeid_t cnode, xwidgetnum_t widget,
  32                           unsigned long xtalk_addr, size_t size);
  33 extern void hub_pio_init(cnodeid_t cnode);
  34
  35 #endif /* __ASM_SN_HUB_H */