34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
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#ifndef _MEMTYPE_H
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#define _MEMTYPE_H 1
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struct vmproc;
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struct vir_region;
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struct phys_region;
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typedef void (*vfs_callback_t)(struct vmproc *vmp, message *m,
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void *, void *);
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typedef struct mem_type {
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const char *name; /* human-readable name */
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int (*ev_new)(struct vir_region *region);
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void (*ev_delete)(struct vir_region *region);
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int (*ev_reference)(struct phys_region *pr, struct phys_region *newpr);
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int (*ev_unreference)(struct phys_region *pr);
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int (*ev_pagefault)(struct vmproc *vmp, struct vir_region *region,
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struct phys_region *ph, int write, vfs_callback_t cb, void *state,
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int len, int *io);
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int (*ev_resize)(struct vmproc *vmp, struct vir_region *vr, vir_bytes len);
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void (*ev_split)(struct vmproc *vmp, struct vir_region *vr,
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struct vir_region *r1, struct vir_region *r2);
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int (*writable)(struct phys_region *pr);
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int (*ev_sanitycheck)(struct phys_region *pr, char *file, int line);
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int (*ev_copy)(struct vir_region *vr, struct vir_region *newvr);
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int (*ev_lowshrink)(struct vir_region *vr, vir_bytes len);
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u32_t (*regionid)(struct vir_region *vr);
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int (*refcount)(struct vir_region *vr);
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int (*pt_flags)(struct vir_region *vr); /* page table flags */
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} mem_type_t;
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#endif
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