1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linu 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /* 2 /*
3 * Copyright © 1999-2010 David Woodhouse <dwm 3 * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al.
4 * 4 *
5 * This program is free software; you can redi 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Publi 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either versio 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * 9 *
10 * This program is distributed in the hope tha 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details 13 * GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to t 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Flo 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 * 18 *
19 */ 19 */
20 20
21 #ifndef __MTD_ABI_H__ 21 #ifndef __MTD_ABI_H__
22 #define __MTD_ABI_H__ 22 #define __MTD_ABI_H__
23 23
24 #include <linux/types.h> 24 #include <linux/types.h>
25 25
26 struct erase_info_user { 26 struct erase_info_user {
27 __u32 start; 27 __u32 start;
28 __u32 length; 28 __u32 length;
29 }; 29 };
30 30
31 struct erase_info_user64 { 31 struct erase_info_user64 {
32 __u64 start; 32 __u64 start;
33 __u64 length; 33 __u64 length;
34 }; 34 };
35 35
36 struct mtd_oob_buf { 36 struct mtd_oob_buf {
37 __u32 start; 37 __u32 start;
38 __u32 length; 38 __u32 length;
39 unsigned char __user *ptr; 39 unsigned char __user *ptr;
40 }; 40 };
41 41
42 struct mtd_oob_buf64 { 42 struct mtd_oob_buf64 {
43 __u64 start; 43 __u64 start;
44 __u32 pad; 44 __u32 pad;
45 __u32 length; 45 __u32 length;
46 __u64 usr_ptr; 46 __u64 usr_ptr;
47 }; 47 };
48 48
49 /** 49 /**
50 * MTD operation modes 50 * MTD operation modes
51 * 51 *
52 * @MTD_OPS_PLACE_OOB: OOB data are placed at 52 * @MTD_OPS_PLACE_OOB: OOB data are placed at the given offset (default)
53 * @MTD_OPS_AUTO_OOB: OOB data are automatic 53 * @MTD_OPS_AUTO_OOB: OOB data are automatically placed at the free areas
54 * which are defined by t 54 * which are defined by the internal ecclayout
55 * @MTD_OPS_RAW: data are transferred a 55 * @MTD_OPS_RAW: data are transferred as-is, with no error correction;
56 * this mode implies %MTD 56 * this mode implies %MTD_OPS_PLACE_OOB
57 * 57 *
58 * These modes can be passed to ioctl(MEMWRITE !! 58 * These modes can be passed to ioctl(MEMWRITE) and are also used internally.
59 * also used internally. See notes on "MTD fil !! 59 * See notes on "MTD file modes" for discussion on %MTD_OPS_RAW vs.
60 * %MTD_OPS_RAW vs. %MTD_FILE_MODE_RAW. !! 60 * %MTD_FILE_MODE_RAW.
61 */ 61 */
62 enum { 62 enum {
63 MTD_OPS_PLACE_OOB = 0, 63 MTD_OPS_PLACE_OOB = 0,
64 MTD_OPS_AUTO_OOB = 1, 64 MTD_OPS_AUTO_OOB = 1,
65 MTD_OPS_RAW = 2, 65 MTD_OPS_RAW = 2,
66 }; 66 };
67 67
68 /** 68 /**
69 * struct mtd_write_req - data structure for r 69 * struct mtd_write_req - data structure for requesting a write operation
70 * 70 *
71 * @start: start address 71 * @start: start address
72 * @len: length of data buffer (only lo !! 72 * @len: length of data buffer
73 * @ooblen: length of OOB buffer (only low !! 73 * @ooblen: length of OOB buffer
74 * @usr_data: user-provided data buffer 74 * @usr_data: user-provided data buffer
75 * @usr_oob: user-provided OOB buffer 75 * @usr_oob: user-provided OOB buffer
76 * @mode: MTD mode (see "MTD operation m 76 * @mode: MTD mode (see "MTD operation modes")
77 * @padding: reserved, must be set to 0 77 * @padding: reserved, must be set to 0
78 * 78 *
79 * This structure supports ioctl(MEMWRITE) ope 79 * This structure supports ioctl(MEMWRITE) operations, allowing data and/or OOB
80 * writes in various modes. To write to OOB-on 80 * writes in various modes. To write to OOB-only, set @usr_data == NULL, and to
81 * write data-only, set @usr_oob == NULL. Howe 81 * write data-only, set @usr_oob == NULL. However, setting both @usr_data and
82 * @usr_oob to NULL is not allowed. 82 * @usr_oob to NULL is not allowed.
83 */ 83 */
84 struct mtd_write_req { 84 struct mtd_write_req {
85 __u64 start; 85 __u64 start;
86 __u64 len; 86 __u64 len;
87 __u64 ooblen; 87 __u64 ooblen;
88 __u64 usr_data; 88 __u64 usr_data;
89 __u64 usr_oob; 89 __u64 usr_oob;
90 __u8 mode; 90 __u8 mode;
91 __u8 padding[7]; 91 __u8 padding[7];
92 }; 92 };
93 93
94 /** <<
95 * struct mtd_read_req_ecc_stats - ECC statist <<
96 * <<
97 * @uncorrectable_errors: the number of uncorr <<
98 * during the read oper <<
99 * @corrected_bitflips: the number of bitflips <<
100 * operation <<
101 * @max_bitflips: the maximum number of bitfli <<
102 * step for the data read durin <<
103 * can be used to decide whethe <<
104 * region of the MTD device sho <<
105 * avoid data loss. <<
106 */ <<
107 struct mtd_read_req_ecc_stats { <<
108 __u32 uncorrectable_errors; <<
109 __u32 corrected_bitflips; <<
110 __u32 max_bitflips; <<
111 }; <<
112 <<
113 /** <<
114 * struct mtd_read_req - data structure for re <<
115 * <<
116 * @start: start address <<
117 * @len: length of data buffer (only lo <<
118 * @ooblen: length of OOB buffer (only low <<
119 * @usr_data: user-provided data buffer <<
120 * @usr_oob: user-provided OOB buffer <<
121 * @mode: MTD mode (see "MTD operation m <<
122 * @padding: reserved, must be set to 0 <<
123 * @ecc_stats: ECC statistics for the read op <<
124 * <<
125 * This structure supports ioctl(MEMREAD) oper <<
126 * reads in various modes. To read from OOB-on <<
127 * read data-only, set @usr_oob == NULL. Howev <<
128 * @usr_oob to NULL is not allowed. <<
129 */ <<
130 struct mtd_read_req { <<
131 __u64 start; <<
132 __u64 len; <<
133 __u64 ooblen; <<
134 __u64 usr_data; <<
135 __u64 usr_oob; <<
136 __u8 mode; <<
137 __u8 padding[7]; <<
138 struct mtd_read_req_ecc_stats ecc_stat <<
139 }; <<
140 <<
141 #define MTD_ABSENT 0 94 #define MTD_ABSENT 0
142 #define MTD_RAM 1 95 #define MTD_RAM 1
143 #define MTD_ROM 2 96 #define MTD_ROM 2
144 #define MTD_NORFLASH 3 97 #define MTD_NORFLASH 3
145 #define MTD_NANDFLASH 4 /* SLC 98 #define MTD_NANDFLASH 4 /* SLC NAND */
146 #define MTD_DATAFLASH 6 99 #define MTD_DATAFLASH 6
147 #define MTD_UBIVOLUME 7 100 #define MTD_UBIVOLUME 7
148 #define MTD_MLCNANDFLASH 8 /* MLC 101 #define MTD_MLCNANDFLASH 8 /* MLC NAND (including TLC) */
149 102
150 #define MTD_WRITEABLE 0x400 /* Dev 103 #define MTD_WRITEABLE 0x400 /* Device is writeable */
151 #define MTD_BIT_WRITEABLE 0x800 /* Sin 104 #define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */
152 #define MTD_NO_ERASE 0x1000 /* No 105 #define MTD_NO_ERASE 0x1000 /* No erase necessary */
153 #define MTD_POWERUP_LOCK 0x2000 /* Alw 106 #define MTD_POWERUP_LOCK 0x2000 /* Always locked after reset */
154 #define MTD_SLC_ON_MLC_EMULATION 0x4000 /* Emu 107 #define MTD_SLC_ON_MLC_EMULATION 0x4000 /* Emulate SLC behavior on MLC NANDs */
155 108
156 /* Some common devices / combinations of capab 109 /* Some common devices / combinations of capabilities */
157 #define MTD_CAP_ROM 0 110 #define MTD_CAP_ROM 0
158 #define MTD_CAP_RAM (MTD_WRITEABLE 111 #define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
159 #define MTD_CAP_NORFLASH (MTD_WRITEABLE 112 #define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE)
160 #define MTD_CAP_NANDFLASH (MTD_WRITEABLE 113 #define MTD_CAP_NANDFLASH (MTD_WRITEABLE)
161 #define MTD_CAP_NVRAM (MTD_WRITEABLE 114 #define MTD_CAP_NVRAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
162 115
163 /* Obsolete ECC byte placement modes (used wit 116 /* Obsolete ECC byte placement modes (used with obsolete MEMGETOOBSEL) */
164 #define MTD_NANDECC_OFF 0 /* Swi 117 #define MTD_NANDECC_OFF 0 /* Switch off ECC (Not recommended) */
165 #define MTD_NANDECC_PLACE 1 /* Use 118 #define MTD_NANDECC_PLACE 1 /* Use the given placement in the structure (YAFFS1 legacy mode) */
166 #define MTD_NANDECC_AUTOPLACE 2 /* Use 119 #define MTD_NANDECC_AUTOPLACE 2 /* Use the default placement scheme */
167 #define MTD_NANDECC_PLACEONLY 3 /* Use 120 #define MTD_NANDECC_PLACEONLY 3 /* Use the given placement in the structure (Do not store ecc result on read) */
168 #define MTD_NANDECC_AUTOPL_USR 4 /* Use 121 #define MTD_NANDECC_AUTOPL_USR 4 /* Use the given autoplacement scheme rather than using the default */
169 122
170 /* OTP mode selection */ 123 /* OTP mode selection */
171 #define MTD_OTP_OFF 0 124 #define MTD_OTP_OFF 0
172 #define MTD_OTP_FACTORY 1 125 #define MTD_OTP_FACTORY 1
173 #define MTD_OTP_USER 2 126 #define MTD_OTP_USER 2
174 127
175 struct mtd_info_user { 128 struct mtd_info_user {
176 __u8 type; 129 __u8 type;
177 __u32 flags; 130 __u32 flags;
178 __u32 size; /* Total size of the M 131 __u32 size; /* Total size of the MTD */
179 __u32 erasesize; 132 __u32 erasesize;
180 __u32 writesize; 133 __u32 writesize;
181 __u32 oobsize; /* Amount of OOB data 134 __u32 oobsize; /* Amount of OOB data per block (e.g. 16) */
182 __u64 padding; /* Old obsolete field; 135 __u64 padding; /* Old obsolete field; do not use */
183 }; 136 };
184 137
185 struct region_info_user { 138 struct region_info_user {
186 __u32 offset; /* At which th 139 __u32 offset; /* At which this region starts,
187 * from the be 140 * from the beginning of the MTD */
188 __u32 erasesize; /* For this re 141 __u32 erasesize; /* For this region */
189 __u32 numblocks; /* Number of b 142 __u32 numblocks; /* Number of blocks in this region */
190 __u32 regionindex; 143 __u32 regionindex;
191 }; 144 };
192 145
193 struct otp_info { 146 struct otp_info {
194 __u32 start; 147 __u32 start;
195 __u32 length; 148 __u32 length;
196 __u32 locked; 149 __u32 locked;
197 }; 150 };
198 151
199 /* 152 /*
200 * Note, the following ioctl existed in the pa 153 * Note, the following ioctl existed in the past and was removed:
201 * #define MEMSETOOBSEL _IOW('M', 9, 154 * #define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo)
202 * Try to avoid adding a new ioctl with the sa 155 * Try to avoid adding a new ioctl with the same ioctl number.
203 */ 156 */
204 157
205 /* Get basic MTD characteristics info (better 158 /* Get basic MTD characteristics info (better to use sysfs) */
206 #define MEMGETINFO _IOR('M', 1, s 159 #define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
207 /* Erase segment of MTD */ 160 /* Erase segment of MTD */
208 #define MEMERASE _IOW('M', 2, s 161 #define MEMERASE _IOW('M', 2, struct erase_info_user)
209 /* Write out-of-band data from MTD */ 162 /* Write out-of-band data from MTD */
210 #define MEMWRITEOOB _IOWR('M', 3, 163 #define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
211 /* Read out-of-band data from MTD */ 164 /* Read out-of-band data from MTD */
212 #define MEMREADOOB _IOWR('M', 4, 165 #define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
213 /* Lock a chip (for MTD that supports it) */ 166 /* Lock a chip (for MTD that supports it) */
214 #define MEMLOCK _IOW('M', 5, s 167 #define MEMLOCK _IOW('M', 5, struct erase_info_user)
215 /* Unlock a chip (for MTD that supports it) */ 168 /* Unlock a chip (for MTD that supports it) */
216 #define MEMUNLOCK _IOW('M', 6, s 169 #define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
217 /* Get the number of different erase regions * 170 /* Get the number of different erase regions */
218 #define MEMGETREGIONCOUNT _IOR('M', 7, i 171 #define MEMGETREGIONCOUNT _IOR('M', 7, int)
219 /* Get information about the erase region for 172 /* Get information about the erase region for a specific index */
220 #define MEMGETREGIONINFO _IOWR('M', 8, 173 #define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
221 /* Get info about OOB modes (e.g., RAW, PLACE, 174 /* Get info about OOB modes (e.g., RAW, PLACE, AUTO) - legacy interface */
222 #define MEMGETOOBSEL _IOR('M', 10, 175 #define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
223 /* Check if an eraseblock is bad */ 176 /* Check if an eraseblock is bad */
224 #define MEMGETBADBLOCK _IOW('M', 11, 177 #define MEMGETBADBLOCK _IOW('M', 11, __kernel_loff_t)
225 /* Mark an eraseblock as bad */ 178 /* Mark an eraseblock as bad */
226 #define MEMSETBADBLOCK _IOW('M', 12, 179 #define MEMSETBADBLOCK _IOW('M', 12, __kernel_loff_t)
227 /* Set OTP (One-Time Programmable) mode (facto 180 /* Set OTP (One-Time Programmable) mode (factory vs. user) */
228 #define OTPSELECT _IOR('M', 13, 181 #define OTPSELECT _IOR('M', 13, int)
229 /* Get number of OTP (One-Time Programmable) r 182 /* Get number of OTP (One-Time Programmable) regions */
230 #define OTPGETREGIONCOUNT _IOW('M', 14, 183 #define OTPGETREGIONCOUNT _IOW('M', 14, int)
231 /* Get all OTP (One-Time Programmable) info ab 184 /* Get all OTP (One-Time Programmable) info about MTD */
232 #define OTPGETREGIONINFO _IOW('M', 15, 185 #define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
233 /* Lock a given range of user data (must be in 186 /* Lock a given range of user data (must be in mode %MTD_FILE_MODE_OTP_USER) */
234 #define OTPLOCK _IOR('M', 16, 187 #define OTPLOCK _IOR('M', 16, struct otp_info)
235 /* Get ECC layout (deprecated) */ 188 /* Get ECC layout (deprecated) */
236 #define ECCGETLAYOUT _IOR('M', 17, 189 #define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout_user)
237 /* Get statistics about corrected/uncorrected 190 /* Get statistics about corrected/uncorrected errors */
238 #define ECCGETSTATS _IOR('M', 18, 191 #define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
239 /* Set MTD mode on a per-file-descriptor basis 192 /* Set MTD mode on a per-file-descriptor basis (see "MTD file modes") */
240 #define MTDFILEMODE _IO('M', 19) 193 #define MTDFILEMODE _IO('M', 19)
241 /* Erase segment of MTD (supports 64-bit addre 194 /* Erase segment of MTD (supports 64-bit address) */
242 #define MEMERASE64 _IOW('M', 20, 195 #define MEMERASE64 _IOW('M', 20, struct erase_info_user64)
243 /* Write data to OOB (64-bit version) */ 196 /* Write data to OOB (64-bit version) */
244 #define MEMWRITEOOB64 _IOWR('M', 21, 197 #define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64)
245 /* Read data from OOB (64-bit version) */ 198 /* Read data from OOB (64-bit version) */
246 #define MEMREADOOB64 _IOWR('M', 22, 199 #define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64)
247 /* Check if chip is locked (for MTD that suppo 200 /* Check if chip is locked (for MTD that supports it) */
248 #define MEMISLOCKED _IOR('M', 23, 201 #define MEMISLOCKED _IOR('M', 23, struct erase_info_user)
249 /* 202 /*
250 * Most generic write interface; can write in- 203 * Most generic write interface; can write in-band and/or out-of-band in various
251 * modes (see "struct mtd_write_req"). This io 204 * modes (see "struct mtd_write_req"). This ioctl is not supported for flashes
252 * without OOB, e.g., NOR flash. 205 * without OOB, e.g., NOR flash.
253 */ 206 */
254 #define MEMWRITE _IOWR('M', 24, 207 #define MEMWRITE _IOWR('M', 24, struct mtd_write_req)
255 /* Erase a given range of user data (must be i 208 /* Erase a given range of user data (must be in mode %MTD_FILE_MODE_OTP_USER) */
256 #define OTPERASE _IOW('M', 25, 209 #define OTPERASE _IOW('M', 25, struct otp_info)
257 /* <<
258 * Most generic read interface; can read in-ba <<
259 * modes (see "struct mtd_read_req"). This ioc <<
260 * without OOB, e.g., NOR flash. <<
261 */ <<
262 #define MEMREAD _IOWR('M', 26, <<
263 210
264 /* 211 /*
265 * Obsolete legacy interface. Keep it in order 212 * Obsolete legacy interface. Keep it in order not to break userspace
266 * interfaces 213 * interfaces
267 */ 214 */
268 struct nand_oobinfo { 215 struct nand_oobinfo {
269 __u32 useecc; 216 __u32 useecc;
270 __u32 eccbytes; 217 __u32 eccbytes;
271 __u32 oobfree[8][2]; 218 __u32 oobfree[8][2];
272 __u32 eccpos[32]; 219 __u32 eccpos[32];
273 }; 220 };
274 221
275 struct nand_oobfree { 222 struct nand_oobfree {
276 __u32 offset; 223 __u32 offset;
277 __u32 length; 224 __u32 length;
278 }; 225 };
279 226
280 #define MTD_MAX_OOBFREE_ENTRIES 8 227 #define MTD_MAX_OOBFREE_ENTRIES 8
281 #define MTD_MAX_ECCPOS_ENTRIES 64 228 #define MTD_MAX_ECCPOS_ENTRIES 64
282 /* 229 /*
283 * OBSOLETE: ECC layout control structure. Exp 230 * OBSOLETE: ECC layout control structure. Exported to user-space via ioctl
284 * ECCGETLAYOUT for backwards compatbility and 231 * ECCGETLAYOUT for backwards compatbility and should not be mistaken as a
285 * complete set of ECC information. The ioctl 232 * complete set of ECC information. The ioctl truncates the larger internal
286 * structure to retain binary compatibility wi 233 * structure to retain binary compatibility with the static declaration of the
287 * ioctl. Note that the "MTD_MAX_..._ENTRIES" 234 * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of
288 * the user struct, not the MAX size of the in 235 * the user struct, not the MAX size of the internal OOB layout representation.
289 */ 236 */
290 struct nand_ecclayout_user { 237 struct nand_ecclayout_user {
291 __u32 eccbytes; 238 __u32 eccbytes;
292 __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES]; 239 __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES];
293 __u32 oobavail; 240 __u32 oobavail;
294 struct nand_oobfree oobfree[MTD_MAX_OO 241 struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
295 }; 242 };
296 243
297 /** 244 /**
298 * struct mtd_ecc_stats - error correction sta 245 * struct mtd_ecc_stats - error correction stats
299 * 246 *
300 * @corrected: number of corrected bits 247 * @corrected: number of corrected bits
301 * @failed: number of uncorrectable errors 248 * @failed: number of uncorrectable errors
302 * @badblocks: number of bad blocks in this p 249 * @badblocks: number of bad blocks in this partition
303 * @bbtblocks: number of blocks reserved for 250 * @bbtblocks: number of blocks reserved for bad block tables
304 */ 251 */
305 struct mtd_ecc_stats { 252 struct mtd_ecc_stats {
306 __u32 corrected; 253 __u32 corrected;
307 __u32 failed; 254 __u32 failed;
308 __u32 badblocks; 255 __u32 badblocks;
309 __u32 bbtblocks; 256 __u32 bbtblocks;
310 }; 257 };
311 258
312 /* 259 /*
313 * MTD file modes - for read/write access to M 260 * MTD file modes - for read/write access to MTD
314 * 261 *
315 * @MTD_FILE_MODE_NORMAL: OTP disabled, 262 * @MTD_FILE_MODE_NORMAL: OTP disabled, ECC enabled
316 * @MTD_FILE_MODE_OTP_FACTORY: OTP enabled in 263 * @MTD_FILE_MODE_OTP_FACTORY: OTP enabled in factory mode
317 * @MTD_FILE_MODE_OTP_USER: OTP enabled in 264 * @MTD_FILE_MODE_OTP_USER: OTP enabled in user mode
318 * @MTD_FILE_MODE_RAW: OTP disabled, 265 * @MTD_FILE_MODE_RAW: OTP disabled, ECC disabled
319 * 266 *
320 * These modes can be set via ioctl(MTDFILEMOD 267 * These modes can be set via ioctl(MTDFILEMODE). The mode will be retained
321 * separately for each open file descriptor. 268 * separately for each open file descriptor.
322 * 269 *
323 * Note: %MTD_FILE_MODE_RAW provides the same 270 * Note: %MTD_FILE_MODE_RAW provides the same functionality as %MTD_OPS_RAW -
324 * raw access to the flash, without error corr 271 * raw access to the flash, without error correction or autoplacement schemes.
325 * Wherever possible, the MTD_OPS_* mode will 272 * Wherever possible, the MTD_OPS_* mode will override the MTD_FILE_MODE_* mode
326 * (e.g., when using ioctl(MEMWRITE) or ioctl( !! 273 * (e.g., when using ioctl(MEMWRITE)), but in some cases, the MTD_FILE_MODE is
327 * MTD_FILE_MODE is used out of necessity (e.g !! 274 * used out of necessity (e.g., `write()', ioctl(MEMWRITEOOB64)).
328 * ioctl(MEMWRITEOOB64)). <<
329 */ 275 */
330 enum mtd_file_modes { 276 enum mtd_file_modes {
331 MTD_FILE_MODE_NORMAL = MTD_OTP_OFF, 277 MTD_FILE_MODE_NORMAL = MTD_OTP_OFF,
332 MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FA 278 MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
333 MTD_FILE_MODE_OTP_USER = MTD_OTP_USER, 279 MTD_FILE_MODE_OTP_USER = MTD_OTP_USER,
334 MTD_FILE_MODE_RAW, 280 MTD_FILE_MODE_RAW,
335 }; 281 };
336 282
337 static inline int mtd_type_is_nand_user(const 283 static inline int mtd_type_is_nand_user(const struct mtd_info_user *mtd)
338 { 284 {
339 return mtd->type == MTD_NANDFLASH || m 285 return mtd->type == MTD_NANDFLASH || mtd->type == MTD_MLCNANDFLASH;
340 } 286 }
341 287
342 #endif /* __MTD_ABI_H__ */ 288 #endif /* __MTD_ABI_H__ */
343 289
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