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Diffstat (limited to 'include/mach/lmm.h')
-rw-r--r-- | include/mach/lmm.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/mach/lmm.h b/include/mach/lmm.h new file mode 100644 index 00000000..f350329c --- /dev/null +++ b/include/mach/lmm.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1995 The University of Utah and + * the Computer Systems Laboratory at the University of Utah (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software is hereby + * granted provided that (1) source code retains these copyright, permission, + * and disclaimer notices, and (2) redistributions including binaries + * reproduce the notices in supporting documentation, and (3) all advertising + * materials mentioning features or use of this software display the following + * acknowledgement: ``This product includes software developed by the + * Computer Systems Laboratory at the University of Utah.'' + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + * Author: Bryan Ford, University of Utah CSL + */ +/* + * Public header file for the List Memory Manager. + */ +#ifndef _MACH_LMM_H_ +#define _MACH_LMM_H_ + +#include <mach/machine/vm_types.h> + +/* The contents of this structure is opaque to users. */ +typedef struct lmm +{ + struct lmm_region *regions; +} lmm_t; + +#define LMM_INITIALIZER { 0 } + +typedef natural_t lmm_flags_t; +typedef integer_t lmm_pri_t; + +void lmm_init(lmm_t *lmm); +void lmm_add(lmm_t *lmm, vm_offset_t addr, vm_size_t size, + lmm_flags_t flags, lmm_pri_t pri); +void *lmm_alloc(lmm_t *lmm, vm_size_t size, lmm_flags_t flags); +void *lmm_alloc_aligned(lmm_t *lmm, vm_size_t size, lmm_flags_t flags, + int align_bits, vm_offset_t align_ofs); +void *lmm_alloc_page(lmm_t *lmm, lmm_flags_t flags); +void *lmm_alloc_gen(lmm_t *lmm, vm_size_t size, lmm_flags_t flags, + int align_bits, vm_offset_t align_ofs, + vm_offset_t bounds_min, vm_offset_t bounds_max); +vm_size_t lmm_avail(lmm_t *lmm, lmm_flags_t flags); +void lmm_find_free(lmm_t *lmm, vm_offset_t *inout_addr, + vm_size_t *out_size, lmm_flags_t *out_flags); +void lmm_free(lmm_t *lmm, void *block, vm_size_t size); + +/* Only available if debugging turned on. */ +void lmm_dump(lmm_t *lmm); + +#endif /* _MACH_LMM_H_ */ |