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00027 #ifndef _SYS_VMEM_H
00028 #define _SYS_VMEM_H
00029
00030
00031
00032 #include <sys/types.h>
00033
00034 #ifdef __cplusplus
00035 extern "C" {
00036 #endif
00037
00038
00039
00040
00041
00042 #define VM_SLEEP 0x00000000
00043 #define VM_NOSLEEP 0x00000001
00044 #define VM_PANIC 0x00000002
00045 #define VM_PUSHPAGE 0x00000004
00046 #define VM_KMFLAGS 0x000000ff
00047
00048 #define VM_BESTFIT 0x00000100
00049 #define VM_FIRSTFIT 0x00000200
00050 #define VM_NEXTFIT 0x00000400
00051
00052
00053
00054
00055
00056
00057 #define VM_MEMLOAD 0x00000800
00058 #define VM_NORELOC 0x00001000
00059
00060
00061
00062
00063
00064 #define VM_ABORT 0x00002000
00065
00066 #define VM_FLAGS 0x0000FFFF
00067
00068
00069
00070
00071 #define VMC_POPULATOR 0x00010000
00072 #define VMC_NO_QCACHE 0x00020000
00073 #define VMC_IDENTIFIER 0x00040000
00074
00075
00076
00077
00078 #define VMC_XALLOC 0x00080000
00079 #define VMC_FLAGS 0xFFFF0000
00080
00081
00082
00083
00084 #define VMEM_ALLOC 0x01
00085 #define VMEM_FREE 0x02
00086
00087
00088
00089
00090 #define VMEM_SPAN 0x10
00091 #define VMEM_ROTOR 0x20
00092 #define VMEM_WALKER 0x40
00093
00094
00095
00096
00097
00098
00099
00100
00101
00102
00103 #define VMEM_REENTRANT 0x80000000
00104
00105 typedef struct vmem vmem_t;
00106 typedef void *(vmem_alloc_t)(vmem_t *, size_t, int);
00107 typedef void (vmem_free_t)(vmem_t *, void *, size_t);
00108
00109
00110
00111
00112
00113 typedef void *(vmem_ximport_t)(vmem_t *, size_t *, int);
00114
00115 #ifdef _KERNEL
00116 extern vmem_t *vmem_init(const char *, void *, size_t, size_t,
00117 vmem_alloc_t *, vmem_free_t *);
00118 extern void vmem_update(void *);
00119 extern int vmem_is_populator();
00120 extern size_t vmem_seg_size;
00121 #endif
00122
00123 extern vmem_t *vmem_create(const char *, void *, size_t, size_t,
00124 vmem_alloc_t *, vmem_free_t *, vmem_t *, size_t, int);
00125 extern vmem_t *vmem_xcreate(const char *, void *, size_t, size_t,
00126 vmem_ximport_t *, vmem_free_t *, vmem_t *, size_t, int);
00127 extern void vmem_destroy(vmem_t *);
00128 extern void *vmem_alloc(vmem_t *, size_t, int);
00129 extern void *vmem_xalloc(vmem_t *, size_t, size_t, size_t, size_t,
00130 void *, void *, int);
00131 extern void vmem_free(vmem_t *, void *, size_t);
00132 extern void vmem_xfree(vmem_t *, void *, size_t);
00133 extern void *vmem_add(vmem_t *, void *, size_t, int);
00134 extern int vmem_contains(vmem_t *, void *, size_t);
00135 extern void vmem_walk(vmem_t *, int, void (*)(void *, void *, size_t), void *);
00136 extern size_t vmem_size(vmem_t *, int);
00137
00138 #ifdef __cplusplus
00139 }
00140 #endif
00141
00142 #endif