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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | #ifndef CEPH_OS_BLUESTORE_BLUEFS_TYPES_H | |
4 | #define CEPH_OS_BLUESTORE_BLUEFS_TYPES_H | |
5 | ||
6 | #include "bluestore_types.h" | |
7 | #include "include/utime.h" | |
8 | #include "include/encoding.h" | |
9 | #include "include/denc.h" | |
10 | ||
11 | class bluefs_extent_t : public AllocExtent{ | |
12 | public: | |
13 | uint8_t bdev; | |
14 | ||
15 | bluefs_extent_t(uint8_t b = 0, uint64_t o = 0, uint32_t l = 0) | |
16 | : AllocExtent(o, l), bdev(b) {} | |
17 | ||
18 | DENC(bluefs_extent_t, v, p) { | |
19 | DENC_START(1, 1, p); | |
20 | denc_lba(v.offset, p); | |
21 | denc_varint_lowz(v.length, p); | |
22 | denc(v.bdev, p); | |
23 | DENC_FINISH(p); | |
24 | } | |
25 | ||
26 | void dump(Formatter *f) const; | |
27 | static void generate_test_instances(list<bluefs_extent_t*>&); | |
28 | }; | |
29 | WRITE_CLASS_DENC(bluefs_extent_t) | |
30 | ||
31f18b77 | 31 | ostream& operator<<(ostream& out, const bluefs_extent_t& e); |
7c673cae FG |
32 | |
33 | ||
34 | struct bluefs_fnode_t { | |
35 | uint64_t ino; | |
36 | uint64_t size; | |
37 | utime_t mtime; | |
38 | uint8_t prefer_bdev; | |
39 | mempool::bluefs::vector<bluefs_extent_t> extents; | |
40 | uint64_t allocated; | |
41 | ||
42 | bluefs_fnode_t() : ino(0), size(0), prefer_bdev(0), allocated(0) {} | |
43 | ||
44 | uint64_t get_allocated() const { | |
45 | return allocated; | |
46 | } | |
47 | ||
48 | void recalc_allocated() { | |
49 | allocated = 0; | |
50 | for (auto& p : extents) | |
51 | allocated += p.length; | |
52 | } | |
53 | ||
94b18763 FG |
54 | DENC_HELPERS |
55 | void bound_encode(size_t& p) const { | |
56 | _denc_friend(*this, p); | |
57 | } | |
58 | void encode(bufferlist::contiguous_appender& p) const { | |
59 | DENC_DUMP_PRE(bluefs_fnode_t); | |
60 | _denc_friend(*this, p); | |
61 | DENC_DUMP_POST(bluefs_fnode_t); | |
62 | } | |
63 | void decode(buffer::ptr::iterator& p) { | |
64 | _denc_friend(*this, p); | |
65 | recalc_allocated(); | |
66 | } | |
67 | template<typename T, typename P> | |
68 | friend typename std::enable_if< | |
69 | boost::is_same<T,bluefs_fnode_t>::value || | |
70 | boost::is_same<T,const bluefs_fnode_t>::value>::type | |
71 | _denc_friend(T& v, P& p) { | |
7c673cae FG |
72 | DENC_START(1, 1, p); |
73 | denc_varint(v.ino, p); | |
74 | denc_varint(v.size, p); | |
75 | denc(v.mtime, p); | |
76 | denc(v.prefer_bdev, p); | |
77 | denc(v.extents, p); | |
78 | DENC_FINISH(p); | |
79 | } | |
80 | ||
94b18763 FG |
81 | void append_extent(const bluefs_extent_t& ext) { |
82 | extents.push_back(ext); | |
83 | allocated += ext.length; | |
84 | } | |
85 | ||
86 | void pop_front_extent() { | |
87 | auto it = extents.begin(); | |
88 | allocated -= it->length; | |
89 | extents.erase(it); | |
90 | } | |
91 | ||
92 | void swap_extents(bluefs_fnode_t& other) { | |
93 | other.extents.swap(extents); | |
94 | std::swap(allocated, other.allocated); | |
95 | } | |
96 | void swap_extents(mempool::bluefs::vector<bluefs_extent_t>& swap_to, uint64_t& new_allocated) { | |
97 | swap_to.swap(extents); | |
98 | std::swap(allocated, new_allocated); | |
99 | } | |
100 | void clear_extents() { | |
101 | extents.clear(); | |
102 | allocated = 0; | |
103 | } | |
104 | ||
7c673cae FG |
105 | mempool::bluefs::vector<bluefs_extent_t>::iterator seek( |
106 | uint64_t off, uint64_t *x_off); | |
107 | ||
108 | void dump(Formatter *f) const; | |
109 | static void generate_test_instances(list<bluefs_fnode_t*>& ls); | |
94b18763 | 110 | |
7c673cae FG |
111 | }; |
112 | WRITE_CLASS_DENC(bluefs_fnode_t) | |
113 | ||
114 | ostream& operator<<(ostream& out, const bluefs_fnode_t& file); | |
115 | ||
116 | ||
117 | struct bluefs_super_t { | |
118 | uuid_d uuid; ///< unique to this bluefs instance | |
119 | uuid_d osd_uuid; ///< matches the osd that owns us | |
120 | uint64_t version; | |
121 | uint32_t block_size; | |
122 | ||
123 | bluefs_fnode_t log_fnode; | |
124 | ||
125 | bluefs_super_t() | |
126 | : version(0), | |
127 | block_size(4096) { } | |
128 | ||
129 | uint64_t block_mask() const { | |
28e407b8 | 130 | return ~((uint64_t)block_size - 1); |
7c673cae FG |
131 | } |
132 | ||
133 | void encode(bufferlist& bl) const; | |
134 | void decode(bufferlist::iterator& p); | |
135 | void dump(Formatter *f) const; | |
136 | static void generate_test_instances(list<bluefs_super_t*>& ls); | |
137 | }; | |
138 | WRITE_CLASS_ENCODER(bluefs_super_t) | |
139 | ||
140 | ostream& operator<<(ostream&, const bluefs_super_t& s); | |
141 | ||
142 | ||
143 | struct bluefs_transaction_t { | |
144 | typedef enum { | |
145 | OP_NONE = 0, | |
146 | OP_INIT, ///< initial (empty) file system marker | |
147 | OP_ALLOC_ADD, ///< add extent to available block storage (extent) | |
148 | OP_ALLOC_RM, ///< remove extent from availabe block storage (extent) | |
149 | OP_DIR_LINK, ///< (re)set a dir entry (dirname, filename, ino) | |
150 | OP_DIR_UNLINK, ///< remove a dir entry (dirname, filename) | |
151 | OP_DIR_CREATE, ///< create a dir (dirname) | |
152 | OP_DIR_REMOVE, ///< remove a dir (dirname) | |
153 | OP_FILE_UPDATE, ///< set/update file metadata (file) | |
154 | OP_FILE_REMOVE, ///< remove file (ino) | |
155 | OP_JUMP, ///< jump the seq # and offset | |
156 | OP_JUMP_SEQ, ///< jump the seq # | |
157 | } op_t; | |
158 | ||
159 | uuid_d uuid; ///< fs uuid | |
160 | uint64_t seq; ///< sequence number | |
161 | bufferlist op_bl; ///< encoded transaction ops | |
162 | ||
163 | bluefs_transaction_t() : seq(0) {} | |
164 | ||
165 | void clear() { | |
166 | *this = bluefs_transaction_t(); | |
167 | } | |
168 | bool empty() const { | |
169 | return op_bl.length() == 0; | |
170 | } | |
171 | ||
172 | void op_init() { | |
173 | ::encode((__u8)OP_INIT, op_bl); | |
174 | } | |
175 | void op_alloc_add(uint8_t id, uint64_t offset, uint64_t length) { | |
176 | ::encode((__u8)OP_ALLOC_ADD, op_bl); | |
177 | ::encode(id, op_bl); | |
178 | ::encode(offset, op_bl); | |
179 | ::encode(length, op_bl); | |
180 | } | |
181 | void op_alloc_rm(uint8_t id, uint64_t offset, uint64_t length) { | |
182 | ::encode((__u8)OP_ALLOC_RM, op_bl); | |
183 | ::encode(id, op_bl); | |
184 | ::encode(offset, op_bl); | |
185 | ::encode(length, op_bl); | |
186 | } | |
187 | void op_dir_create(const string& dir) { | |
188 | ::encode((__u8)OP_DIR_CREATE, op_bl); | |
189 | ::encode(dir, op_bl); | |
190 | } | |
191 | void op_dir_remove(const string& dir) { | |
192 | ::encode((__u8)OP_DIR_REMOVE, op_bl); | |
193 | ::encode(dir, op_bl); | |
194 | } | |
195 | void op_dir_link(const string& dir, const string& file, uint64_t ino) { | |
196 | ::encode((__u8)OP_DIR_LINK, op_bl); | |
197 | ::encode(dir, op_bl); | |
198 | ::encode(file, op_bl); | |
199 | ::encode(ino, op_bl); | |
200 | } | |
201 | void op_dir_unlink(const string& dir, const string& file) { | |
202 | ::encode((__u8)OP_DIR_UNLINK, op_bl); | |
203 | ::encode(dir, op_bl); | |
204 | ::encode(file, op_bl); | |
205 | } | |
206 | void op_file_update(const bluefs_fnode_t& file) { | |
207 | ::encode((__u8)OP_FILE_UPDATE, op_bl); | |
208 | ::encode(file, op_bl); | |
209 | } | |
210 | void op_file_remove(uint64_t ino) { | |
211 | ::encode((__u8)OP_FILE_REMOVE, op_bl); | |
212 | ::encode(ino, op_bl); | |
213 | } | |
214 | void op_jump(uint64_t next_seq, uint64_t offset) { | |
215 | ::encode((__u8)OP_JUMP, op_bl); | |
216 | ::encode(next_seq, op_bl); | |
217 | ::encode(offset, op_bl); | |
218 | } | |
219 | void op_jump_seq(uint64_t next_seq) { | |
220 | ::encode((__u8)OP_JUMP_SEQ, op_bl); | |
221 | ::encode(next_seq, op_bl); | |
222 | } | |
223 | ||
224 | void encode(bufferlist& bl) const; | |
225 | void decode(bufferlist::iterator& p); | |
226 | void dump(Formatter *f) const; | |
227 | static void generate_test_instance(list<bluefs_transaction_t*>& ls); | |
228 | }; | |
229 | WRITE_CLASS_ENCODER(bluefs_transaction_t) | |
230 | ||
231 | ostream& operator<<(ostream& out, const bluefs_transaction_t& t); | |
232 | ||
233 | #endif |