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Rev 3973 | Rev 4490 | ||
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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 | */ |