mmzone.h

Go to the documentation of this file.

#ifndef _ASM_MACH_MMZONE_H
#define _ASM_MACH_MMZONE_H

#include <asm/sn/addrs.h>
#include <asm/sn/arch.h>
#include <asm/sn/hub.h>

#define pa_to_nid(addr)     NASID_TO_COMPACT_NODEID(NASID_GET(addr))

#define LEVELS_PER_SLICE        128

struct slice_data {
    unsigned long irq_enable_mask[2];
    int level_to_irq[LEVELS_PER_SLICE];
};

struct hub_data {
    kern_vars_t kern_vars;
    DECLARE_BITMAP(h_bigwin_used, HUB_NUM_BIG_WINDOW);
    cpumask_t   h_cpus;
    unsigned long slice_map;
    unsigned long irq_alloc_mask[2];
    struct slice_data slice[2];
};

struct node_data {
    struct pglist_data pglist;
    struct hub_data hub;
};

extern struct node_data *__node_data[];

#define NODE_DATA(n)        (&__node_data[(n)]->pglist)
#define hub_data(n)     (&__node_data[(n)]->hub)

#endif /* _ASM_MACH_MMZONE_H */