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/Linux-v5.4/Documentation/usb/
Dmass-storage.rst10 multiple logical units (LUNs). Backing storage for each LUN is
41 backing storage for each logical unit. There may be at most
48 read, but (if the logical unit is writable) due to buffering on
51 The size of the logical unit will be rounded down to a full
52 logical block. The logical block size is 2048 bytes for LUNs
58 This parameter specifies whether each logical unit should be
62 If this option is set for a logical unit, gadget will accept an
64 backing file will be closed to simulate ejection and the logical
69 If a logical unit is not removable (the default), a backing file
81 Note that “removable” means the logical unit's media can be
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/Linux-v5.4/fs/btrfs/
Dreada.c54 u64 logical; member
89 static int reada_add_block(struct reada_control *rc, u64 logical,
224 static struct reada_zone *reada_find_zone(struct btrfs_device *dev, u64 logical, in reada_find_zone() argument
238 logical >> PAGE_SHIFT, 1); in reada_find_zone()
239 if (ret == 1 && logical >= zone->start && logical <= zone->end) { in reada_find_zone()
247 cache = btrfs_lookup_block_group(fs_info, logical); in reada_find_zone()
287 logical >> PAGE_SHIFT, 1); in reada_find_zone()
288 if (ret == 1 && logical >= zone->start && logical <= zone->end) in reada_find_zone()
300 u64 logical, in reada_find_extent() argument
312 unsigned long index = logical >> PAGE_SHIFT; in reada_find_extent()
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Dscrub.c69 u64 logical; member
89 u64 logical; member
198 u64 logical; member
204 u64 logical; member
237 static int scrub_pages(struct scrub_ctx *sctx, u64 logical, u64 len,
334 if (fstripe_logical < entry->logical) { in insert_full_stripe_lock()
336 } else if (fstripe_logical > entry->logical) { in insert_full_stripe_lock()
350 ret->logical = fstripe_logical; in insert_full_stripe_lock()
377 if (fstripe_logical < entry->logical) in search_full_stripe_lock()
379 else if (fstripe_logical > entry->logical) in search_full_stripe_lock()
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Dvolumes.h296 u64 logical; member
425 u64 logical, u64 *length,
428 u64 logical, u64 *length,
431 u64 logical, u64 len, struct btrfs_io_geometry *io_geom);
433 u64 physical, u64 **logical, int *naddrs, int *stripe_len);
459 int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len);
490 u64 logical, u64 len);
492 u64 logical);
497 u64 logical, u64 length);
Dtree-checker.c507 const struct btrfs_chunk *chunk, u64 logical, in chunk_err() argument
540 logical, &vaf); in chunk_err()
545 logical, &vaf); in chunk_err()
556 struct btrfs_chunk *chunk, u64 logical) in btrfs_check_chunk_valid() argument
574 chunk_err(leaf, chunk, logical, in btrfs_check_chunk_valid()
578 if (!IS_ALIGNED(logical, fs_info->sectorsize)) { in btrfs_check_chunk_valid()
579 chunk_err(leaf, chunk, logical, in btrfs_check_chunk_valid()
581 logical, fs_info->sectorsize); in btrfs_check_chunk_valid()
585 chunk_err(leaf, chunk, logical, in btrfs_check_chunk_valid()
592 chunk_err(leaf, chunk, logical, in btrfs_check_chunk_valid()
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Dbackref.h22 int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical,
36 int iterate_inodes_from_logical(u64 logical, struct btrfs_fs_info *fs_info,
/Linux-v5.4/Documentation/ABI/testing/
Dsysfs-bus-pci-devices-cciss5 Description: Displays the SCSI INQUIRY page 0 model for logical drive
12 Description: Displays the SCSI INQUIRY page 0 revision for logical
19 Description: Displays the SCSI INQUIRY page 83 serial number for logical
26 Description: Displays the SCSI INQUIRY page 0 vendor for logical drive
39 Description: Kicks of a rescan of the controller to discover logical
46 Description: Displays the 8-byte LUN ID used to address logical
53 Description: Displays the RAID level of logical drive Y of
60 Description: Displays the usage count (number of opens) of logical drive Y
Dsysfs-block68 by one integrity tuple. Typically the device's logical
84 bigger than the logical block size (for instance a drive
85 with 4KB physical sectors exposing 512-byte logical
95 bigger than the logical block size (for instance a drive
96 with 4KB physical sectors exposing 512-byte logical
113 write atomically. It is usually the same as the logical
115 drives with 4KB sectors that expose a 512-byte logical
167 the exported logical block size. The discard_alignment
178 the exported logical block size. The discard_alignment
189 than the logical block size. The discard_granularity
/Linux-v5.4/Documentation/media/uapi/cec/
Dcec-ioc-adap-g-log-addrs.rst21 CEC_ADAP_G_LOG_ADDRS, CEC_ADAP_S_LOG_ADDRS - Get or set the logical addresses
45 To query the current CEC logical addresses, applications call
47 struct :c:type:`cec_log_addrs` where the driver stores the logical addresses.
49 To set new logical addresses, applications fill in
57 To clear existing logical addresses set ``num_log_addrs`` to 0. All other fields
63 then this ioctl will block until all requested logical
65 not wait for the logical addresses to be claimed, instead it just returns 0.
68 logical addresses are claimed or cleared.
71 logical address types are already defined will return with error ``EBUSY``.
86 - The actual logical addresses that were claimed. This is set by the
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/Linux-v5.4/Documentation/ABI/stable/
Dsysfs-class-ubi38 Amount of available logical eraseblock. For example, one may
39 create a new UBI volume which has this amount of logical
70 Maximum logical eraseblock size this UBI device may provide. UBI
71 volumes may have smaller logical eraseblock size because of their
148 Volume alignment - the value the logical eraseblock size of
150 logical eraseblock size is multiple of 2048. In other words,
151 volume logical eraseblock size is UBI device logical eraseblock
192 Equivalent to the volume size in logical eraseblocks.
219 Logical eraseblock size of this volume. Equivalent to logical
/Linux-v5.4/fs/
Dioctl.c89 int fiemap_fill_next_extent(struct fiemap_extent_info *fieinfo, u64 logical, in fiemap_fill_next_extent() argument
112 extent.fe_logical = logical; in fiemap_fill_next_extent()
296 u64 logical = 0, phys = 0, size = 0; in __generic_block_fiemap() local
358 ret = fiemap_fill_next_extent(fieinfo, logical, in __generic_block_fiemap()
362 ret = fiemap_fill_next_extent(fieinfo, logical, in __generic_block_fiemap()
387 ret = fiemap_fill_next_extent(fieinfo, logical, in __generic_block_fiemap()
398 ret = fiemap_fill_next_extent(fieinfo, logical, in __generic_block_fiemap()
405 logical = blk_to_logical(inode, start_blk); in __generic_block_fiemap()
417 if (!past_eof && logical + size >= isize) in __generic_block_fiemap()
/Linux-v5.4/drivers/video/fbdev/vermilion/
Dvermilion.c89 va->logical = in vmlfb_alloc_vram_area()
91 } while (va->logical == 0 && max_order > min_order); in vmlfb_alloc_vram_area()
93 if (!va->logical) in vmlfb_alloc_vram_area()
96 va->phys = virt_to_phys((void *)va->logical); in vmlfb_alloc_vram_area()
107 memset((void *)va->logical, 0x00, va->size); in vmlfb_alloc_vram_area()
108 for (i = va->logical; i < va->logical + va->size; i += PAGE_SIZE) { in vmlfb_alloc_vram_area()
116 set_pages_uc(virt_to_page(va->logical), va->size >> PAGE_SHIFT); in vmlfb_alloc_vram_area()
134 if (va->logical) { in vmlfb_free_vram_area()
140 set_pages_wb(virt_to_page(va->logical), in vmlfb_free_vram_area()
148 for (j = va->logical; j < va->logical + va->size; in vmlfb_free_vram_area()
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/Linux-v5.4/Documentation/driver-api/
Disapnp.rst13 This directory allows access to ISA PnP cards and logical devices.
15 a logical device.
Dlightnvm-pblk.rst7 - Map logical addresses onto physical addresses (4KB granularity) in a
8 logical-to-physical (L2P) table.
/Linux-v5.4/drivers/gpu/drm/i915/display/
Dintel_cdclk.c2120 swap(state->cdclk.logical, dev_priv->cdclk.logical); in intel_cdclk_swap_state()
2368 state->cdclk.logical.cdclk = cdclk; in vlv_modeset_calc_cdclk()
2369 state->cdclk.logical.voltage_level = in vlv_modeset_calc_cdclk()
2379 state->cdclk.actual = state->cdclk.logical; in vlv_modeset_calc_cdclk()
2399 state->cdclk.logical.cdclk = cdclk; in bdw_modeset_calc_cdclk()
2400 state->cdclk.logical.voltage_level = in bdw_modeset_calc_cdclk()
2410 state->cdclk.actual = state->cdclk.logical; in bdw_modeset_calc_cdclk()
2423 vco = state->cdclk.logical.vco; in skl_dpll0_vco()
2468 state->cdclk.logical.vco = vco; in skl_modeset_calc_cdclk()
2469 state->cdclk.logical.cdclk = cdclk; in skl_modeset_calc_cdclk()
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/Linux-v5.4/Documentation/filesystems/ext4/
Dabout.rst25 ext4 divides a storage device into an array of logical blocks both to
31 logical blocks, not raw LBAs, and not 1024-byte blocks. For the sake of
32 convenience, the logical block size will be referred to as
/Linux-v5.4/Documentation/driver-api/serial/
Dserial-rs485.rst68 /* Set logical level for RTS pin equal to 1 when sending: */
70 /* or, set logical level for RTS pin equal to 0 when sending: */
73 /* Set logical level for RTS pin equal to 1 after sending: */
75 /* or, set logical level for RTS pin equal to 0 after sending: */
/Linux-v5.4/Documentation/driver-api/pm/
Dcpuidle.rst21 Every time one of the logical CPUs in the system (the entities that appear to
26 belongs to. That can be done by making the idle logical CPU stop fetching
49 one of the logical CPUs in the system turns out to be idle. Its role is to
87 (logical) CPU represented by the |struct cpuidle_device| object pointed
105 Called to make the governor stop handling the (logical) CPU represented
119 Called to select an idle state for the processor holding the (logical)
174 the logical CPUs handled by the given driver.
217 representing the logical CPU running this callback and the
233 is, idle states that can only be asked for if multiple related logical CPUs are
236 asked for if only one logical CPU is idle).
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/Linux-v5.4/fs/freevxfs/
DKconfig20 There is a userspace utility for HP-UX logical volumes which makes
21 creating HP-UX logical volumes easy from HP-UX disk block device file
/Linux-v5.4/Documentation/media/kapi/
Dcec-core.rst18 other through the HDMI connection. The protocol uses logical addresses in the
19 communication. The logical address is strictly connected with the functionality
65 the number of simultaneous logical addresses that this
132 means powering it up in a state where no logical addresses are claimed. This
166 To program a new logical address:
171 If logical_addr == CEC_LOG_ADDR_INVALID then all programmed logical addresses
172 are to be erased. Otherwise the given logical address should be programmed.
173 If the maximum number of available logical addresses is exceeded, then it
174 should return -ENXIO. Once a logical address is programmed the CEC hardware
415 claiming the logical addresses. If block is true, then this function won't
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/Linux-v5.4/Documentation/filesystems/
Dfiemap.txt16 __u64 fm_start; /* logical offset (inclusive) at
18 __u64 fm_length; /* logical length of mapping which
29 fm_start, and fm_length specify the logical range within the file
31 those on disk - that is, the logical offset of the 1st returned extent
81 __u64 fe_logical; /* logical offset in bytes for the start of
92 for an extents logical offset to start before the request or its logical
219 int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical,
/Linux-v5.4/arch/arc/plat-eznps/
Dentry.S44 ; We set logical cpuid to be used by GET_CPUID
52 ; Set logical is acheived by swap of 2 middle bits of cluster id (4 bit)
/Linux-v5.4/drivers/mtd/
Dinftlmount.c509 int logical, block, i; in INFTL_dumpVUchains() local
515 for (logical = 0; logical < s->nb_blocks; logical++) { in INFTL_dumpVUchains()
516 block = s->VUtable[logical]; in INFTL_dumpVUchains()
519 pr_debug(" LOGICAL %d --> %d ", logical, block); in INFTL_dumpVUchains()
/Linux-v5.4/Documentation/media/uapi/v4l/
Dformat.rst45 assigns a logical stream (video data, VBI data etc.) exclusively to one
54 multiple file descriptors which grabbed different logical streams
66 Generally only one logical stream can be assigned to a file descriptor,
69 earlier versions of V4L2. Switching the logical stream or returning into
/Linux-v5.4/Documentation/admin-guide/pm/
Dintel_epb.rst19 The Intel Performance and Energy Bias Hint (EPB) value for a given (logical) CPU
38 Note that while the EPB interface to the processor is defined at the logical CPU

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