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| Rev 4377 | Rev 4692 | ||
|---|---|---|---|
| Line 78... | Line 78... | ||
| 78 | /** Currently there is no equivalent zone flags |
78 | /** Currently there is no equivalent zone flags |
| 79 | for frame flags */ |
79 | for frame flags */ |
| 80 | #define FRAME_TO_ZONE_FLAGS(frame_flags) 0 |
80 | #define FRAME_TO_ZONE_FLAGS(frame_flags) 0 |
| 81 | 81 | ||
| 82 | typedef struct { |
82 | typedef struct { |
| 83 | count_t refcount; /**< Tracking of shared frames */ |
83 | size_t refcount; /**< Tracking of shared frames */ |
| 84 | uint8_t buddy_order; /**< Buddy system block order */ |
84 | uint8_t buddy_order; /**< Buddy system block order */ |
| 85 | link_t buddy_link; /**< Link to the next free block inside |
85 | link_t buddy_link; /**< Link to the next free block inside |
| 86 | one order */ |
86 | one order */ |
| 87 | void *parent; /**< If allocated by slab, this points there */ |
87 | void *parent; /**< If allocated by slab, this points there */ |
| 88 | } frame_t; |
88 | } frame_t; |
| 89 | 89 | ||
| 90 | typedef struct { |
90 | typedef struct { |
| 91 | pfn_t base; /**< Frame_no of the first frame |
91 | pfn_t base; /**< Frame_no of the first frame |
| 92 | in the frames array */ |
92 | in the frames array */ |
| 93 | count_t count; /**< Size of zone */ |
93 | size_t count; /**< Size of zone */ |
| 94 | count_t free_count; /**< Number of free frame_t |
94 | size_t free_count; /**< Number of free frame_t |
| 95 | structures */ |
95 | structures */ |
| 96 | count_t busy_count; /**< Number of busy frame_t |
96 | size_t busy_count; /**< Number of busy frame_t |
| 97 | structures */ |
97 | structures */ |
| 98 | zone_flags_t flags; /**< Type of the zone */ |
98 | zone_flags_t flags; /**< Type of the zone */ |
| 99 | 99 | ||
| 100 | frame_t *frames; /**< Array of frame_t structures |
100 | frame_t *frames; /**< Array of frame_t structures |
| 101 | in this zone */ |
101 | in this zone */ |
| Line 106... | Line 106... | ||
| 106 | * The zoneinfo.lock must be locked when accessing zoneinfo structure. |
106 | * The zoneinfo.lock must be locked when accessing zoneinfo structure. |
| 107 | * Some of the attributes in zone_t structures are 'read-only' |
107 | * Some of the attributes in zone_t structures are 'read-only' |
| 108 | */ |
108 | */ |
| 109 | typedef struct { |
109 | typedef struct { |
| 110 | SPINLOCK_DECLARE(lock); |
110 | SPINLOCK_DECLARE(lock); |
| 111 | count_t count; |
111 | size_t count; |
| 112 | zone_t info[ZONES_MAX]; |
112 | zone_t info[ZONES_MAX]; |
| 113 | } zones_t; |
113 | } zones_t; |
| 114 | 114 | ||
| 115 | extern zones_t zones; |
115 | extern zones_t zones; |
| 116 | 116 | ||
| Line 122... | Line 122... | ||
| 122 | static inline pfn_t ADDR2PFN(uintptr_t addr) |
122 | static inline pfn_t ADDR2PFN(uintptr_t addr) |
| 123 | { |
123 | { |
| 124 | return (pfn_t) (addr >> FRAME_WIDTH); |
124 | return (pfn_t) (addr >> FRAME_WIDTH); |
| 125 | } |
125 | } |
| 126 | 126 | ||
| 127 | static inline count_t SIZE2FRAMES(size_t size) |
127 | static inline size_t SIZE2FRAMES(size_t size) |
| 128 | { |
128 | { |
| 129 | if (!size) |
129 | if (!size) |
| 130 | return 0; |
130 | return 0; |
| 131 | return (count_t) ((size - 1) >> FRAME_WIDTH) + 1; |
131 | return (size_t) ((size - 1) >> FRAME_WIDTH) + 1; |
| 132 | } |
132 | } |
| 133 | 133 | ||
| 134 | static inline size_t FRAMES2SIZE(count_t frames) |
134 | static inline size_t FRAMES2SIZE(size_t frames) |
| 135 | { |
135 | { |
| 136 | return (size_t) (frames << FRAME_WIDTH); |
136 | return (size_t) (frames << FRAME_WIDTH); |
| 137 | } |
137 | } |
| 138 | 138 | ||
| 139 | static inline bool zone_flags_available(zone_flags_t flags) |
139 | static inline bool zone_flags_available(zone_flags_t flags) |
| Line 154... | Line 154... | ||
| 154 | 154 | ||
| 155 | #define frame_alloc(order, flags) \ |
155 | #define frame_alloc(order, flags) \ |
| 156 | frame_alloc_generic(order, flags, NULL) |
156 | frame_alloc_generic(order, flags, NULL) |
| 157 | 157 | ||
| 158 | extern void frame_init(void); |
158 | extern void frame_init(void); |
| 159 | extern void *frame_alloc_generic(uint8_t, frame_flags_t, count_t *); |
159 | extern void *frame_alloc_generic(uint8_t, frame_flags_t, size_t *); |
| 160 | extern void frame_free(uintptr_t); |
160 | extern void frame_free(uintptr_t); |
| 161 | extern void frame_reference_add(pfn_t); |
161 | extern void frame_reference_add(pfn_t); |
| 162 | 162 | ||
| 163 | extern count_t find_zone(pfn_t frame, count_t count, count_t hint); |
163 | extern size_t find_zone(pfn_t frame, size_t count, size_t hint); |
| 164 | extern count_t zone_create(pfn_t, count_t, pfn_t, zone_flags_t); |
164 | extern size_t zone_create(pfn_t, size_t, pfn_t, zone_flags_t); |
| 165 | extern void *frame_get_parent(pfn_t, count_t); |
165 | extern void *frame_get_parent(pfn_t, size_t); |
| 166 | extern void frame_set_parent(pfn_t, void *, count_t); |
166 | extern void frame_set_parent(pfn_t, void *, size_t); |
| 167 | extern void frame_mark_unavailable(pfn_t, count_t); |
167 | extern void frame_mark_unavailable(pfn_t, size_t); |
| 168 | extern uintptr_t zone_conf_size(count_t); |
168 | extern uintptr_t zone_conf_size(size_t); |
| 169 | extern bool zone_merge(count_t, count_t); |
169 | extern bool zone_merge(size_t, size_t); |
| 170 | extern void zone_merge_all(void); |
170 | extern void zone_merge_all(void); |
| 171 | extern uint64_t zone_total_size(void); |
171 | extern uint64_t zone_total_size(void); |
| 172 | 172 | ||
| 173 | /* |
173 | /* |
| 174 | * Console functions |
174 | * Console functions |
| 175 | */ |
175 | */ |
| 176 | extern void zone_print_list(void); |
176 | extern void zone_print_list(void); |
| 177 | extern void zone_print_one(count_t); |
177 | extern void zone_print_one(size_t); |
| 178 | 178 | ||
| 179 | #endif |
179 | #endif |
| 180 | 180 | ||
| 181 | /** @} |
181 | /** @} |
| 182 | */ |
182 | */ |