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With the addition of used field, capability structure can be used for resource accounting over the capability.
45 lines
1012 B
C
45 lines
1012 B
C
/*
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* Capability-related operations of the pager.
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*
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* Copyright (C) 2009 Bahadir Balban
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*/
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#ifndef __MM0_CAPABILITY_H__
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#define __MM0_CAPABILITY_H__
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#include <l4lib/types.h>
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#include <l4/lib/list.h>
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struct cap_list {
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int ncaps;
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struct link caps;
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};
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struct capability {
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struct link list;
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/* Capability identifiers */
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l4id_t capid; /* Unique capability ID */
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l4id_t resid; /* Targeted resource ID */
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l4id_t owner; /* Capability owner ID */
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unsigned int type; /* Capability and target resource type */
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/* Capability limits/permissions */
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u32 access; /* Permitted operations */
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/* Limits on the resource */
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unsigned long start; /* Resource start value */
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unsigned long end; /* Resource end value */
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unsigned long size; /* Resource size */
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unsigned long used; /* Resource used size */
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};
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extern struct cap_list capability_list;
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struct initdata;
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int read_kernel_capabilities(struct initdata *);
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void copy_boot_capabilities(struct initdata *initdata);
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#endif /* __MM0_CAPABILITY_H__ */
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