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/linux/drivers/net/ethernet/marvell/prestera/
H A Dprestera_counter.c45 prestera_counter_is_ready(struct prestera_counter_block *block, u32 id) in prestera_counter_is_ready() argument
47 return block->counter_flag[id - block->offset] == COUNTER_FLAG_READY; in prestera_counter_is_ready()
60 static void prestera_counter_block_lock(struct prestera_counter_block *block) in prestera_counter_block_lock() argument
62 mutex_lock(&block->mtx); in prestera_counter_block_lock()
65 static void prestera_counter_block_unlock(struct prestera_counter_block *block) in prestera_counter_block_unlock() argument
67 mutex_unlock(&block->mtx); in prestera_counter_block_unlock()
70 static bool prestera_counter_block_incref(struct prestera_counter_block *block) in prestera_counter_block_incref() argument
72 return refcount_inc_not_zero(&block->refcnt); in prestera_counter_block_incref()
75 static bool prestera_counter_block_decref(struct prestera_counter_block *block) in prestera_counter_block_decref() argument
77 return refcount_dec_and_test(&block->refcnt); in prestera_counter_block_decref()
[all …]
H A Dprestera_flow.c16 static int prestera_flow_block_mall_cb(struct prestera_flow_block *block, in prestera_flow_block_mall_cb() argument
21 return prestera_mall_replace(block, f); in prestera_flow_block_mall_cb()
23 prestera_mall_destroy(block); in prestera_flow_block_mall_cb()
30 static int prestera_flow_block_flower_cb(struct prestera_flow_block *block, in prestera_flow_block_flower_cb() argument
35 return prestera_flower_replace(block, f); in prestera_flow_block_flower_cb()
37 prestera_flower_destroy(block, f); in prestera_flow_block_flower_cb()
40 return prestera_flower_stats(block, f); in prestera_flow_block_flower_cb()
42 return prestera_flower_tmplt_create(block, f); in prestera_flow_block_flower_cb()
44 prestera_flower_tmplt_destroy(block, f); in prestera_flow_block_flower_cb()
54 struct prestera_flow_block *block = cb_priv; in prestera_flow_block_cb() local
[all …]
H A Dprestera_matchall.c14 static int prestera_mall_prio_check(struct prestera_flow_block *block, in prestera_mall_prio_check() argument
21 err = prestera_flower_prio_get(block, f->common.chain_index, in prestera_mall_prio_check()
32 if (f->common.prio <= flower_prio_max && !block->ingress) { in prestera_mall_prio_check()
36 if (f->common.prio >= flower_prio_min && block->ingress) { in prestera_mall_prio_check()
44 int prestera_mall_prio_get(struct prestera_flow_block *block, in prestera_mall_prio_get() argument
47 if (!block->mall.bound) in prestera_mall_prio_get()
50 *prio_min = block->mall.prio_min; in prestera_mall_prio_get()
51 *prio_max = block->mall.prio_max; in prestera_mall_prio_get()
55 static void prestera_mall_prio_update(struct prestera_flow_block *block, in prestera_mall_prio_update() argument
58 block->mall.prio_min = min(block->mall.prio_min, f->common.prio); in prestera_mall_prio_update()
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/linux/drivers/gpu/drm/
H A Ddrm_buddy.c19 struct drm_buddy_block *block; in drm_block_alloc() local
23 block = kmem_cache_zalloc(slab_blocks, GFP_KERNEL); in drm_block_alloc()
24 if (!block) in drm_block_alloc()
27 block->header = offset; in drm_block_alloc()
28 block->header |= order; in drm_block_alloc()
29 block->parent = parent; in drm_block_alloc()
31 BUG_ON(block->header & DRM_BUDDY_HEADER_UNUSED); in drm_block_alloc()
32 return block; in drm_block_alloc()
36 struct drm_buddy_block *block) in drm_block_free() argument
38 kmem_cache_free(slab_blocks, block); in drm_block_free()
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/linux/sound/isa/gus/
H A Dgus_mem.c28 snd_gf1_mem_xalloc(struct snd_gf1_mem *alloc, struct snd_gf1_mem_block *block, in snd_gf1_mem_xalloc() argument
36 *nblock = *block; in snd_gf1_mem_xalloc()
70 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block) in snd_gf1_mem_xfree() argument
72 if (block->share) { /* ok.. shared block */ in snd_gf1_mem_xfree()
73 block->share--; in snd_gf1_mem_xfree()
77 if (alloc->first == block) { in snd_gf1_mem_xfree()
78 alloc->first = block->next; in snd_gf1_mem_xfree()
79 if (block->next) in snd_gf1_mem_xfree()
80 block->next->prev = NULL; in snd_gf1_mem_xfree()
82 block->prev->next = block->next; in snd_gf1_mem_xfree()
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H A Dgus_dma.c86 struct snd_gf1_dma_block *block; in snd_gf1_dma_next_block() local
88 /* PCM block have bigger priority than synthesizer one */ in snd_gf1_dma_next_block()
90 block = gus->gf1.dma_data_pcm; in snd_gf1_dma_next_block()
91 if (gus->gf1.dma_data_pcm_last == block) { in snd_gf1_dma_next_block()
95 gus->gf1.dma_data_pcm = block->next; in snd_gf1_dma_next_block()
98 block = gus->gf1.dma_data_synth; in snd_gf1_dma_next_block()
99 if (gus->gf1.dma_data_synth_last == block) { in snd_gf1_dma_next_block()
103 gus->gf1.dma_data_synth = block->next; in snd_gf1_dma_next_block()
106 block = NULL; in snd_gf1_dma_next_block()
108 if (block) { in snd_gf1_dma_next_block()
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/linux/Documentation/filesystems/ext4/
H A Dblockgroup.rst6 The layout of a standard block group is approximately as follows (each
14 - ext4 Super Block
17 - Data Block Bitmap
22 - 1 block
25 - 1 block
26 - 1 block
30 For the special case of block group 0, the first 1024 bytes are unused,
32 The superblock will start at offset 1024 bytes, whichever block that
33 happens to be (usually 0). However, if for some reason the block size =
34 1024, then block 0 is marked in use and the superblock goes in block 1.
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/linux/drivers/iio/buffer/
H A Dindustrialio-buffer-dma.c25 * For DMA buffers the storage is sub-divided into so called blocks. Each block
26 * has its own memory buffer. The size of the block is the granularity at which
28 * basic unit of data exchange from one sample to one block decreases the
31 * sample the overhead will be x for each sample. Whereas when using a block
39 * them with data. Block on the outgoing queue have been filled with data and
42 * A block can be in one of the following states:
44 * the block.
47 * * Owned by the DMA controller: The DMA controller is processing the block
52 * * Dead: A block that is dead has been marked as to be freed. It might still
55 * incoming or outgoing queue the block will be freed.
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/linux/drivers/mtd/
H A Dnftlmount.c28 unsigned int block, boot_record_count = 0; in find_boot_record() local
48 for (block = 0; block < nftl->nb_blocks; block++) { in find_boot_record()
53 ret = mtd_read(mtd, block * nftl->EraseSize, SECTORSIZE, in find_boot_record()
61 printk(KERN_WARNING "Block read at 0x%x of mtd%d failed: %d\n", in find_boot_record()
62 block * nftl->EraseSize, nftl->mbd.mtd->index, ret); in find_boot_record()
64 printk(KERN_WARNING "Further failures for this block will not be printed\n"); in find_boot_record()
73 block * nftl->EraseSize, nftl->mbd.mtd->index); in find_boot_record()
79 ret = nftl_read_oob(mtd, block * nftl->EraseSize + in find_boot_record()
84 block * nftl->EraseSize, nftl->mbd.mtd->index, ret); in find_boot_record()
94 block * nftl->EraseSize, nftl->mbd.mtd->index, in find_boot_record()
[all …]
H A Dinftlmount.c35 unsigned int i, block; in find_boot_record() local
55 for (block = 0; block < inftl->nb_blocks; block++) { in find_boot_record()
62 ret = mtd_read(mtd, block * inftl->EraseSize, SECTORSIZE, in find_boot_record()
70 printk(KERN_WARNING "INFTL: block read at 0x%x " in find_boot_record()
72 block * inftl->EraseSize, in find_boot_record()
76 "failures for this block will " in find_boot_record()
89 block * inftl->EraseSize + SECTORSIZE + 8, in find_boot_record()
94 "(err %d)\n", block * inftl->EraseSize, in find_boot_record()
107 mtd_read(mtd, block * inftl->EraseSize + 4096, SECTORSIZE, in find_boot_record()
172 block >>= mh->BlockMultiplierBits; in find_boot_record()
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/linux/drivers/gpio/
H A Dgpio-sch311x.c39 struct sch311x_gpio_block { /* one GPIO block runtime data */
44 spinlock_t lock; /* lock for this GPIO block */
134 struct sch311x_gpio_block *block = gpiochip_get_data(chip); in sch311x_gpio_request() local
136 if (block->config_regs[offset] == 0) /* GPIO is not available */ in sch311x_gpio_request()
139 if (!request_region(block->runtime_reg + block->config_regs[offset], in sch311x_gpio_request()
142 block->runtime_reg + block->config_regs[offset]); in sch311x_gpio_request()
150 struct sch311x_gpio_block *block = gpiochip_get_data(chip); in sch311x_gpio_free() local
152 if (block->config_regs[offset] == 0) /* GPIO is not available */ in sch311x_gpio_free()
155 release_region(block->runtime_reg + block->config_regs[offset], 1); in sch311x_gpio_free()
160 struct sch311x_gpio_block *block = gpiochip_get_data(chip); in sch311x_gpio_get() local
[all …]
/linux/drivers/w1/
H A Dw1_netlink.c41 struct w1_cb_block *block; member
49 * @block: block to calculate
55 static u16 w1_reply_len(struct w1_cb_block *block) in w1_reply_len() argument
57 if (!block->cn) in w1_reply_len()
59 return (u8 *)block->cn - (u8 *)block->first_cn + block->cn->len; in w1_reply_len()
62 static void w1_unref_block(struct w1_cb_block *block) in w1_unref_block() argument
64 if (atomic_sub_return(1, &block->refcnt) == 0) { in w1_unref_block()
65 u16 len = w1_reply_len(block); in w1_unref_block()
67 cn_netlink_send_mult(block->first_cn, len, in w1_unref_block()
68 block->portid, 0, in w1_unref_block()
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/linux/drivers/md/dm-vdo/
H A Drecovery-journal.h24 * The recovery_journal provides a log of all block mapping and reference count changes which have
25 * not yet been stably written to the block map or slab journals. This log helps to reduce the
26 * write amplification of writes by providing amortization of slab journal and block map page
35 * journal. The 'head' is the oldest active block in the journal. The 'tail' is the end of the
36 * half-open interval containing the active blocks. 'active' is the number of the block actively
42 * less than the on-disk size. Each in-memory block is also a vdo_completion. Each in-memory block
43 * has a vio which is used to commit that block to disk. The vio's data is the on-disk
44 * representation of the journal block. In addition each in-memory block has a buffer which is used
45 * to accumulate entries while a partial commit of the block is in progress. In-memory blocks are
46 * kept on two rings. Free blocks live on the 'free_tail_blocks' ring. When a block becomes active
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/linux/fs/afs/
H A Ddir_edit.c17 * Find a number of contiguous clear bits in a directory block bitmask.
20 * variable. The first bit doesn't count as it corresponds to the block header
23 static int afs_find_contig_bits(union afs_xdr_dir_block *block, unsigned int nr_slots) in afs_find_contig_bits() argument
29 bitmap = (u64)block->hdr.bitmap[0] << 0 * 8; in afs_find_contig_bits()
30 bitmap |= (u64)block->hdr.bitmap[1] << 1 * 8; in afs_find_contig_bits()
31 bitmap |= (u64)block->hdr.bitmap[2] << 2 * 8; in afs_find_contig_bits()
32 bitmap |= (u64)block->hdr.bitmap[3] << 3 * 8; in afs_find_contig_bits()
33 bitmap |= (u64)block->hdr.bitmap[4] << 4 * 8; in afs_find_contig_bits()
34 bitmap |= (u64)block->hdr.bitmap[5] << 5 * 8; in afs_find_contig_bits()
35 bitmap |= (u64)block->hdr.bitmap[6] << 6 * 8; in afs_find_contig_bits()
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/linux/sound/pci/ctxfi/
H A Dctvmem.c26 * Find or create vm block based on requested @size.
32 struct ct_vm_block *block = NULL, *entry; in get_vm_block() local
46 break; /* found a block that is big enough */ in get_vm_block()
55 block = entry; in get_vm_block()
59 block = kzalloc(sizeof(*block), GFP_KERNEL); in get_vm_block()
60 if (!block) in get_vm_block()
63 block->addr = entry->addr; in get_vm_block()
64 block->size = size; in get_vm_block()
65 list_add(&block->list, &vm->used); in get_vm_block()
72 return block; in get_vm_block()
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/linux/drivers/pinctrl/qcom/
H A DKconfig.msm9 Qualcomm TLMM block found in the Qualcomm APQ8064 platform.
16 Qualcomm TLMM block found in the Qualcomm APQ8084 platform.
23 Qualcomm TLMM block found in the Qualcomm IPQ4019 platform.
30 the Qualcomm Technologies Inc. TLMM block found on the
39 Qualcomm TLMM block found in the Qualcomm IPQ8064 platform.
46 Qualcomm Technologies Inc TLMM block found on the Qualcomm
54 the Qualcomm Technologies Inc. TLMM block found on the
63 the Qualcomm Technologies Inc. TLMM block found on the
72 the Qualcomm Technologies Inc. TLMM block found on the
81 the Qualcomm Technologies Inc. TLMM block found on the
[all …]
/linux/drivers/misc/
H A Dsram.c55 static int sram_add_pool(struct sram_dev *sram, struct sram_reserve *block, in sram_add_pool() argument
61 NUMA_NO_NODE, block->label); in sram_add_pool()
66 block->size, NUMA_NO_NODE); in sram_add_pool()
75 static int sram_add_export(struct sram_dev *sram, struct sram_reserve *block, in sram_add_export() argument
88 part->battr.size = block->size; in sram_add_export()
93 static int sram_add_partition(struct sram_dev *sram, struct sram_reserve *block, in sram_add_partition() argument
105 virt_base = devm_ioremap_resource(sram->dev, &block->res); in sram_add_partition()
107 virt_base = devm_ioremap_resource_wc(sram->dev, &block->res); in sram_add_partition()
110 dev_err(sram->dev, "could not map SRAM at %pr\n", &block->res); in sram_add_partition()
116 part->base = sram->virt_base + block->start; in sram_add_partition()
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/linux/fs/xfs/libxfs/
H A Dxfs_btree.c121 struct xfs_btree_block *block, in __xfs_btree_check_lblock_hdr() argument
128 if (!uuid_equal(&block->bb_u.l.bb_uuid, &mp->m_sb.sb_meta_uuid)) in __xfs_btree_check_lblock_hdr()
130 if (block->bb_u.l.bb_blkno != in __xfs_btree_check_lblock_hdr()
133 if (block->bb_u.l.bb_pad != cpu_to_be32(0)) in __xfs_btree_check_lblock_hdr()
137 if (be32_to_cpu(block->bb_magic) != xfs_btree_magic(mp, cur->bc_ops)) in __xfs_btree_check_lblock_hdr()
139 if (be16_to_cpu(block->bb_level) != level) in __xfs_btree_check_lblock_hdr()
141 if (be16_to_cpu(block->bb_numrecs) > in __xfs_btree_check_lblock_hdr()
149 * Check a long btree block header. Return the address of the failing check,
155 struct xfs_btree_block *block, in __xfs_btree_check_fsblock() argument
163 fa = __xfs_btree_check_lblock_hdr(cur, block, level, bp); in __xfs_btree_check_fsblock()
[all …]
/linux/drivers/net/ethernet/mellanox/mlxsw/
H A Dspectrum_flow.c15 struct mlxsw_sp_flow_block *block; in mlxsw_sp_flow_block_create() local
17 block = kzalloc(sizeof(*block), GFP_KERNEL); in mlxsw_sp_flow_block_create()
18 if (!block) in mlxsw_sp_flow_block_create()
20 INIT_LIST_HEAD(&block->binding_list); in mlxsw_sp_flow_block_create()
21 INIT_LIST_HEAD(&block->mall.list); in mlxsw_sp_flow_block_create()
22 block->mlxsw_sp = mlxsw_sp; in mlxsw_sp_flow_block_create()
23 block->net = net; in mlxsw_sp_flow_block_create()
24 return block; in mlxsw_sp_flow_block_create()
27 void mlxsw_sp_flow_block_destroy(struct mlxsw_sp_flow_block *block) in mlxsw_sp_flow_block_destroy() argument
29 WARN_ON(!list_empty(&block->binding_list)); in mlxsw_sp_flow_block_destroy()
[all …]
H A Dcore_acl_flex_actions.c364 /* Block structure holds a list of action sets. One action block
375 * in this block.
381 void (*destructor)(struct mlxsw_afa_block *block,
385 static void mlxsw_afa_resource_add(struct mlxsw_afa_block *block, in mlxsw_afa_resource_add() argument
388 list_add(&resource->list, &block->resource_list); in mlxsw_afa_resource_add()
396 static void mlxsw_afa_resources_destroy(struct mlxsw_afa_block *block) in mlxsw_afa_resources_destroy() argument
400 list_for_each_entry_safe(resource, tmp, &block->resource_list, list) { in mlxsw_afa_resources_destroy()
401 resource->destructor(block, resource); in mlxsw_afa_resources_destroy()
407 struct mlxsw_afa_block *block; in mlxsw_afa_block_create() local
409 block = kzalloc(sizeof(*block), GFP_KERNEL); in mlxsw_afa_block_create()
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/linux/drivers/video/fbdev/
H A Dedid.h72 #define PIXEL_CLOCK_LO (unsigned)block[ 0 ]
73 #define PIXEL_CLOCK_HI (unsigned)block[ 1 ]
75 #define H_ACTIVE_LO (unsigned)block[ 2 ]
76 #define H_BLANKING_LO (unsigned)block[ 3 ]
77 #define H_ACTIVE_HI UPPER_NIBBLE( (unsigned)block[ 4 ] )
79 #define H_BLANKING_HI LOWER_NIBBLE( (unsigned)block[ 4 ] )
82 #define V_ACTIVE_LO (unsigned)block[ 5 ]
83 #define V_BLANKING_LO (unsigned)block[ 6 ]
84 #define V_ACTIVE_HI UPPER_NIBBLE( (unsigned)block[ 7 ] )
86 #define V_BLANKING_HI LOWER_NIBBLE( (unsigned)block[ 7 ] )
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/linux/block/
H A DKconfig3 # Block layer core configuration
5 menuconfig BLOCK config
6 bool "Enable the block layer" if EXPERT
11 Provide block layer support for the kernel.
13 Disable this option to remove the block layer support from the
18 - block device files will become unusable
22 they make use of various block layer definitions and facilities.
27 if BLOCK
33 Enable loading modules and creating block device instances based on
55 bool "Block layer SG support v4 helper lib"
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/linux/drivers/mtd/nand/raw/
H A Dnand_bbt.c4 * Bad block table support for the NAND driver
10 * When nand_scan_bbt is called, then it tries to find the bad block table
14 * Once a new bad block is discovered then the "factory" information is updated
21 * If the tables are not versioned, then we "or" the bad block information.
24 * good / bad blocks and the bad block tables are created.
29 * The auto generated bad block table is located in the last good blocks
38 * The table uses 2 bits per block
39 * 11b: block is good
40 * 00b: block is factory marked bad
41 * 01b, 10b: block is marked bad due to wear
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/linux/Documentation/admin-guide/device-mapper/
H A Ddm-dust.rst15 in the "bad block list" will fail with EIO ("Input/output error").
17 Writes of blocks in the "bad block list will result in the following:
19 1. Remove the block from the "bad block list".
40 Path to the block device.
46 Block size in bytes
59 (For a device with a block size of 512 bytes)
65 (For a device with a block size of 4096 bytes)
73 bad block additions, removals, and remaps will be verbosely logged)::
89 At any time (i.e.: whether the device has the "bad block" emulation
94 kernel: device-mapper: dust: badblock added at block 60
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/linux/drivers/s390/block/
H A Ddasd_genhd.c35 int dasd_gendisk_alloc(struct dasd_block *block) in dasd_gendisk_alloc() argument
51 base = block->base; in dasd_gendisk_alloc()
55 block->tag_set.ops = &dasd_mq_ops; in dasd_gendisk_alloc()
56 block->tag_set.cmd_size = sizeof(struct dasd_ccw_req); in dasd_gendisk_alloc()
57 block->tag_set.nr_hw_queues = nr_hw_queues; in dasd_gendisk_alloc()
58 block->tag_set.queue_depth = queue_depth; in dasd_gendisk_alloc()
59 block->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; in dasd_gendisk_alloc()
60 block->tag_set.numa_node = NUMA_NO_NODE; in dasd_gendisk_alloc()
61 rc = blk_mq_alloc_tag_set(&block->tag_set); in dasd_gendisk_alloc()
65 gdp = blk_mq_alloc_disk(&block->tag_set, &lim, block); in dasd_gendisk_alloc()
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