| /kernel/linux/linux-5.10/drivers/mtd/ubi/ |
| D | Kconfig | 20 erase counter value and the lowest erase counter value of eraseblocks
23 counter to eraseblocks with high erase counter.
32 int "Maximum expected bad eraseblock count per 1024 eraseblocks"
36 This option specifies the maximum bad physical eraseblocks UBI
37 expects on the MTD device (per 1024 eraseblocks). If the underlying
38 flash does not admit of bad eraseblocks (e.g. NOR flash), this value
43 expected bad eraseblocks per 1024 eraseblocks then can be calculated
45 (MaxNVB is basically the total count of eraseblocks on the chip).
48 about 1.9% of physical eraseblocks for bad blocks handling. And that
49 will be 1.9% of eraseblocks on the entire NAND chip, not just the MTD
[all …]
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| D | ubi-media.h | 57 * initialization UBI finds out that there are available physical eraseblocks
59 * (the physical eraseblocks reserved for bad eraseblocks handling and other
60 * reserved physical eraseblocks are not taken). So, if there is a volume with
62 * eraseblocks will be zero after UBI is loaded, because all of them will be
68 * eraseblocks, depending of particular chip instance. Manufacturers of NAND
69 * chips usually guarantee that the amount of initial bad eraseblocks does not
72 * of good physical eraseblocks the NAND chip on the device will have, but this
78 * Note, first UBI reserves some amount of physical eraseblocks for bad
80 * means that the pool of reserved physical eraseblocks will always be present.
94 * physical eraseblocks, don't allow the wear-leveling
[all …]
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| D | ubi.h | 294 * @reserved_pebs: how many physical eraseblocks are reserved for this volume
297 * @used_ebs: how many logical eraseblocks in this volume contain data
301 * @data_pad: how many bytes are not used at the end of physical eraseblocks to
306 * @upd_ebs: how many eraseblocks are expected to be updated
458 * @rsvd_pebs: count of reserved physical eraseblocks
459 * @avail_pebs: count of available physical eraseblocks
460 * @beb_rsvd_pebs: how many physical eraseblocks are reserved for bad PEB
497 * @used: RB-tree of used physical eraseblocks
498 * @erroneous: RB-tree of erroneous used physical eraseblocks
499 * @free: RB-tree of free physical eraseblocks
[all …]
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| D | wl.c | 12 * physical eraseblocks and erase counters and knows nothing about logical
13 * eraseblocks, volumes, etc. From this sub-system's perspective all physical
14 * eraseblocks are of two types - used and free. Used physical eraseblocks are
16 * eraseblocks are those that were put by the 'ubi_wl_put_peb()' function.
18 * Physical eraseblocks returned by 'ubi_wl_get_peb()' have only erase counter
21 * When physical eraseblocks are returned to the WL sub-system by means of the
27 * physical eraseblocks with low erase counter to free physical eraseblocks
37 * As it was said, for the UBI sub-system all physical eraseblocks are either
39 * used eraseblocks are kept in @wl->used, @wl->erroneous, or @wl->scrub
49 * o we don't want to move physical eraseblocks just after we have given them
[all …]
|
| /kernel/linux/linux-6.6/drivers/mtd/ubi/ |
| D | Kconfig | 20 erase counter value and the lowest erase counter value of eraseblocks
23 counter to eraseblocks with high erase counter.
32 int "Maximum expected bad eraseblock count per 1024 eraseblocks"
36 This option specifies the maximum bad physical eraseblocks UBI
37 expects on the MTD device (per 1024 eraseblocks). If the underlying
38 flash does not admit of bad eraseblocks (e.g. NOR flash), this value
43 expected bad eraseblocks per 1024 eraseblocks then can be calculated
45 (MaxNVB is basically the total count of eraseblocks on the chip).
48 about 1.9% of physical eraseblocks for bad blocks handling. And that
49 will be 1.9% of eraseblocks on the entire NAND chip, not just the MTD
[all …]
|
| D | ubi-media.h | 57 * initialization UBI finds out that there are available physical eraseblocks
59 * (the physical eraseblocks reserved for bad eraseblocks handling and other
60 * reserved physical eraseblocks are not taken). So, if there is a volume with
62 * eraseblocks will be zero after UBI is loaded, because all of them will be
68 * eraseblocks, depending of particular chip instance. Manufacturers of NAND
69 * chips usually guarantee that the amount of initial bad eraseblocks does not
72 * of good physical eraseblocks the NAND chip on the device will have, but this
78 * Note, first UBI reserves some amount of physical eraseblocks for bad
80 * means that the pool of reserved physical eraseblocks will always be present.
94 * physical eraseblocks, don't allow the wear-leveling
[all …]
|
| D | ubi.h | 294 * @reserved_pebs: how many physical eraseblocks are reserved for this volume
297 * @used_ebs: how many logical eraseblocks in this volume contain data
301 * @data_pad: how many bytes are not used at the end of physical eraseblocks to
306 * @upd_ebs: how many eraseblocks are expected to be updated
456 * @rsvd_pebs: count of reserved physical eraseblocks
457 * @avail_pebs: count of available physical eraseblocks
458 * @beb_rsvd_pebs: how many physical eraseblocks are reserved for bad PEB
495 * @used: RB-tree of used physical eraseblocks
496 * @erroneous: RB-tree of erroneous used physical eraseblocks
497 * @free: RB-tree of free physical eraseblocks
[all …]
|
| D | wl.c | 12 * physical eraseblocks and erase counters and knows nothing about logical
13 * eraseblocks, volumes, etc. From this sub-system's perspective all physical
14 * eraseblocks are of two types - used and free. Used physical eraseblocks are
16 * eraseblocks are those that were put by the 'ubi_wl_put_peb()' function.
18 * Physical eraseblocks returned by 'ubi_wl_get_peb()' have only erase counter
21 * When physical eraseblocks are returned to the WL sub-system by means of the
27 * physical eraseblocks with low erase counter to free physical eraseblocks
37 * As it was said, for the UBI sub-system all physical eraseblocks are either
39 * used eraseblocks are kept in @wl->used, @wl->erroneous, or @wl->scrub
49 * o we don't want to move physical eraseblocks just after we have given them
[all …]
|
| /kernel/linux/linux-6.6/drivers/mtd/tests/ |
| D | speedtest.c | 30 MODULE_PARM_DESC(count, "Maximum number of eraseblocks to use "
213 "page size %u, count of eraseblocks %u, pages per " in mtd_speedtest_init()
243 /* Write all eraseblocks, 1 eraseblock at a time */ in mtd_speedtest_init()
261 /* Read all eraseblocks, 1 eraseblock at a time */ in mtd_speedtest_init()
283 /* Write all eraseblocks, 1 page at a time */ in mtd_speedtest_init()
301 /* Read all eraseblocks, 1 page at a time */ in mtd_speedtest_init()
323 /* Write all eraseblocks, 2 pages at a time */ in mtd_speedtest_init()
341 /* Read all eraseblocks, 2 pages at a time */ in mtd_speedtest_init()
359 /* Erase all eraseblocks */ in mtd_speedtest_init()
369 /* Multi-block erase all eraseblocks */ in mtd_speedtest_init()
|
| D | subpagetest.c | 250 pr_info("verifying all eraseblocks for 0xff\n"); in verify_all_eraseblocks_ff()
264 pr_info("verified %u eraseblocks\n", i); in verify_all_eraseblocks_ff()
304 "page size %u, subpage size %u, count of eraseblocks %u, " in mtd_subpagetest_init()
344 pr_info("written %u eraseblocks\n", i); in mtd_subpagetest_init()
347 pr_info("verifying all eraseblocks\n"); in mtd_subpagetest_init()
361 pr_info("verified %u eraseblocks\n", i); in mtd_subpagetest_init()
371 /* Write all eraseblocks */ in mtd_subpagetest_init()
387 pr_info("written %u eraseblocks\n", i); in mtd_subpagetest_init()
389 /* Check all eraseblocks */ in mtd_subpagetest_init()
391 pr_info("verifying all eraseblocks\n"); in mtd_subpagetest_init()
[all …]
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| D | oobtest.c | 108 pr_info("written %u eraseblocks\n", i); in write_whole_device()
318 pr_info("verifying all eraseblocks\n"); in verify_all_eraseblocks()
332 pr_info("verified %u eraseblocks\n", i); in verify_all_eraseblocks()
373 "page size %u, count of eraseblocks %u, pages per " in mtd_oobtest_init()
430 /* Check all eraseblocks */ in mtd_oobtest_init()
432 pr_info("verifying all eraseblocks\n"); in mtd_oobtest_init()
446 pr_info("verified %u eraseblocks\n", i); in mtd_oobtest_init()
458 /* Write all eraseblocks */ in mtd_oobtest_init()
469 /* Check all eraseblocks */ in mtd_oobtest_init()
630 /* Erase all eraseblocks */ in mtd_oobtest_init()
[all …]
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| D | pagetest.c | 84 /* Check boundary between eraseblocks */ in verify_eraseblock()
355 "page size %u, count of eraseblocks %u, pages per " in mtd_pagetest_init()
379 /* Erase all eraseblocks */ in mtd_pagetest_init()
384 pr_info("erased %u eraseblocks\n", ebcnt); in mtd_pagetest_init()
386 /* Write all eraseblocks */ in mtd_pagetest_init()
402 pr_info("written %u eraseblocks\n", i); in mtd_pagetest_init()
404 /* Check all eraseblocks */ in mtd_pagetest_init()
406 pr_info("verifying all eraseblocks\n"); in mtd_pagetest_init()
420 pr_info("verified %u eraseblocks\n", i); in mtd_pagetest_init()
|
| D | stresstest.c | 48 /* Read or write up 2 eraseblocks at a time - hence 'ebcnt - 1' */ in rand_eb()
164 "page size %u, count of eraseblocks %u, pages per " in mtd_stresstest_init()
170 pr_err("error: need at least 2 eraseblocks\n"); in mtd_stresstest_init()
175 /* Read or write up 2 eraseblocks at a time */ in mtd_stresstest_init()
|
| /kernel/linux/linux-5.10/drivers/mtd/tests/ |
| D | speedtest.c | 30 MODULE_PARM_DESC(count, "Maximum number of eraseblocks to use "
214 "page size %u, count of eraseblocks %u, pages per " in mtd_speedtest_init()
244 /* Write all eraseblocks, 1 eraseblock at a time */ in mtd_speedtest_init()
262 /* Read all eraseblocks, 1 eraseblock at a time */ in mtd_speedtest_init()
284 /* Write all eraseblocks, 1 page at a time */ in mtd_speedtest_init()
302 /* Read all eraseblocks, 1 page at a time */ in mtd_speedtest_init()
324 /* Write all eraseblocks, 2 pages at a time */ in mtd_speedtest_init()
342 /* Read all eraseblocks, 2 pages at a time */ in mtd_speedtest_init()
360 /* Erase all eraseblocks */ in mtd_speedtest_init()
370 /* Multi-block erase all eraseblocks */ in mtd_speedtest_init()
|
| D | subpagetest.c | 250 pr_info("verifying all eraseblocks for 0xff\n"); in verify_all_eraseblocks_ff()
264 pr_info("verified %u eraseblocks\n", i); in verify_all_eraseblocks_ff()
304 "page size %u, subpage size %u, count of eraseblocks %u, " in mtd_subpagetest_init()
344 pr_info("written %u eraseblocks\n", i); in mtd_subpagetest_init()
347 pr_info("verifying all eraseblocks\n"); in mtd_subpagetest_init()
361 pr_info("verified %u eraseblocks\n", i); in mtd_subpagetest_init()
371 /* Write all eraseblocks */ in mtd_subpagetest_init()
387 pr_info("written %u eraseblocks\n", i); in mtd_subpagetest_init()
389 /* Check all eraseblocks */ in mtd_subpagetest_init()
391 pr_info("verifying all eraseblocks\n"); in mtd_subpagetest_init()
[all …]
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| D | oobtest.c | 108 pr_info("written %u eraseblocks\n", i); in write_whole_device()
318 pr_info("verifying all eraseblocks\n"); in verify_all_eraseblocks()
332 pr_info("verified %u eraseblocks\n", i); in verify_all_eraseblocks()
373 "page size %u, count of eraseblocks %u, pages per " in mtd_oobtest_init()
430 /* Check all eraseblocks */ in mtd_oobtest_init()
432 pr_info("verifying all eraseblocks\n"); in mtd_oobtest_init()
446 pr_info("verified %u eraseblocks\n", i); in mtd_oobtest_init()
458 /* Write all eraseblocks */ in mtd_oobtest_init()
469 /* Check all eraseblocks */ in mtd_oobtest_init()
636 /* Erase all eraseblocks */ in mtd_oobtest_init()
[all …]
|
| D | pagetest.c | 84 /* Check boundary between eraseblocks */ in verify_eraseblock()
355 "page size %u, count of eraseblocks %u, pages per " in mtd_pagetest_init()
379 /* Erase all eraseblocks */ in mtd_pagetest_init()
384 pr_info("erased %u eraseblocks\n", ebcnt); in mtd_pagetest_init()
386 /* Write all eraseblocks */ in mtd_pagetest_init()
402 pr_info("written %u eraseblocks\n", i); in mtd_pagetest_init()
404 /* Check all eraseblocks */ in mtd_pagetest_init()
406 pr_info("verifying all eraseblocks\n"); in mtd_pagetest_init()
420 pr_info("verified %u eraseblocks\n", i); in mtd_pagetest_init()
|
| /kernel/linux/linux-5.10/include/uapi/mtd/ |
| D | ubi-user.h | 109 * a physical eraseblock and returns. Only non-mapped logical eraseblocks can
117 * ioctl command should be used. The ioctl unmaps the logical eraseblocks,
237 * eraseblocks on dynamic volumes
258 * offset of the VID header within physical eraseblocks. The default offset is
274 * UBI device per 1024 eraseblocks. This value is often given in an other form
276 * maximum expected bad eraseblocks per 1024 is then:
280 * has more bad eraseblocks than this limit, UBI does not reserve any physical
281 * eraseblocks for new bad eraseblocks, but attempts to use available
282 * eraseblocks (if any). The accepted range is 0-768. If 0 is given, the
323 * eraseblock. This means, that the size of logical eraseblocks will be aligned
[all …]
|
| /kernel/linux/linux-6.6/include/uapi/mtd/ |
| D | ubi-user.h | 109 * a physical eraseblock and returns. Only non-mapped logical eraseblocks can
117 * ioctl command should be used. The ioctl unmaps the logical eraseblocks,
237 * eraseblocks on dynamic volumes
259 * offset of the VID header within physical eraseblocks. The default offset is
275 * UBI device per 1024 eraseblocks. This value is often given in an other form
277 * maximum expected bad eraseblocks per 1024 is then:
281 * has more bad eraseblocks than this limit, UBI does not reserve any physical
282 * eraseblocks for new bad eraseblocks, but attempts to use available
283 * eraseblocks (if any). The accepted range is 0-768. If 0 is given, the
329 * eraseblock. This means, that the size of logical eraseblocks will be aligned
[all …]
|
| /kernel/linux/linux-5.10/include/linux/mtd/ |
| D | ubi.h | 45 * @size: how many physical eraseblocks are reserved for this volume
47 * @used_ebs: how many physical eraseblocks of this volume actually contain any
53 * @usable_leb_size: how many bytes are available in logical eraseblocks of
89 * eraseblocks if a volume may be less. The following equation is true:
148 * @leb_start: starting offset of logical eraseblocks within physical
149 * eraseblocks
|
| /kernel/linux/linux-6.6/include/linux/mtd/ |
| D | ubi.h | 45 * @size: how many physical eraseblocks are reserved for this volume
47 * @used_ebs: how many physical eraseblocks of this volume actually contain any
53 * @usable_leb_size: how many bytes are available in logical eraseblocks of
89 * eraseblocks if a volume may be less. The following equation is true:
149 * @leb_start: starting offset of logical eraseblocks within physical
150 * eraseblocks
|
| /kernel/linux/linux-6.6/Documentation/ABI/stable/ |
| D | sysfs-class-ubi | 40 eraseblocks.
47 Count of bad physical eraseblocks on the underlying MTD device.
108 Number of physical eraseblocks reserved for bad block handling.
124 Total number of good (not marked as bad) physical eraseblocks on
192 Equivalent to the volume size in logical eraseblocks.
|
| /kernel/linux/linux-5.10/Documentation/ABI/stable/ |
| D | sysfs-class-ubi | 40 eraseblocks.
47 Count of bad physical eraseblocks on the underlying MTD device.
108 Number of physical eraseblocks reserved for bad block handling.
124 Total number of good (not marked as bad) physical eraseblocks on
192 Equivalent to the volume size in logical eraseblocks.
|
| /kernel/linux/linux-6.6/Documentation/filesystems/ |
| D | ubifs.rst | 21 1 MTD devices represent flash devices and they consist of eraseblocks of
30 4 Eraseblocks become worn out after some number of erase cycles -
33 5 Eraseblocks may become bad (only on NAND flashes) and software should
45 is very similar to MTD devices - they still consist of large eraseblocks,
|
| /kernel/linux/linux-5.10/Documentation/filesystems/ |
| D | ubifs.rst | 21 1 MTD devices represent flash devices and they consist of eraseblocks of
30 4 Eraseblocks become worn out after some number of erase cycles -
33 5 Eraseblocks may become bad (only on NAND flashes) and software should
45 is very similar to MTD devices - they still consist of large eraseblocks,
|