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/openbmc/linux/drivers/gpu/drm/tests/
H A Ddrm_buddy_test.c1 // SPDX-License-Identifier: MIT
47 struct drm_buddy_block *block, bool buddy) in __dump_block() argument
49 …kunit_err(test, "block info: header=%llx, state=%u, order=%d, offset=%llx size=%llx root=%d buddy=… in __dump_block()
50 block->header, drm_buddy_block_state(block), in __dump_block()
51 drm_buddy_block_order(block), drm_buddy_block_offset(block), in __dump_block()
52 drm_buddy_block_size(mm, block), !block->parent, buddy); in __dump_block()
56 struct drm_buddy_block *block) in dump_block() argument
60 __dump_block(test, mm, block, false); in dump_block()
62 buddy = drm_get_buddy(block); in dump_block()
68 struct drm_buddy_block *block) in check_block() argument
[all …]
/openbmc/linux/sound/pci/ctxfi/
H A Dctvmem.c1 // SPDX-License-Identifier: GPL-2.0-only
26 * Find or create vm block based on requested @size.
27 * @size must be page aligned.
30 get_vm_block(struct ct_vm *vm, unsigned int size, struct ct_atc *atc) in get_vm_block() argument
32 struct ct_vm_block *block = NULL, *entry; in get_vm_block() local
35 size = CT_PAGE_ALIGN(size); in get_vm_block()
36 if (size > vm->size) { in get_vm_block()
37 dev_err(atc->card->dev, in get_vm_block()
42 mutex_lock(&vm->lock); in get_vm_block()
43 list_for_each(pos, &vm->unused) { in get_vm_block()
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/openbmc/linux/sound/isa/gus/
H A Dgus_mem.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 mutex_lock(&alloc->memory_mutex); in snd_gf1_mem_lock()
23 mutex_unlock(&alloc->memory_mutex); in snd_gf1_mem_lock()
28 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()
37 nblock->name = kstrdup(name, GFP_KERNEL); in snd_gf1_mem_xalloc()
38 if (!nblock->name) { in snd_gf1_mem_xalloc()
43 pblock = alloc->first; in snd_gf1_mem_xalloc()
45 if (pblock->ptr > nblock->ptr) { in snd_gf1_mem_xalloc()
46 nblock->prev = pblock->prev; in snd_gf1_mem_xalloc()
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/openbmc/linux/drivers/gpu/drm/
H A Ddrm_buddy.c1 // SPDX-License-Identifier: MIT
19 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
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/openbmc/linux/arch/mips/include/asm/octeon/
H A Dcvmx-bootmem.h7 * Copyright (c) 2003-2008 Cavium Networks
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
45 /* Allocate from end of block instead of beginning */
51 /* First bytes of each free physical block of memory contain this structure,
64 uint64_t size; member
76 /* Base address of named block */
79 * Size actually allocated for named block (may differ from
82 uint64_t size; member
83 /* name of named block */
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/openbmc/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_res_cursor.h1 // SPDX-License-Identifier: GPL-2.0 OR MIT
38 uint64_t size; member
45 * amdgpu_res_first - initialize a amdgpu_res_cursor
49 * @size: Size of the range
52 * Start walking over the range of allocations between @start and @size.
55 uint64_t start, uint64_t size, in amdgpu_res_first() argument
58 struct drm_buddy_block *block; in amdgpu_res_first() local
65 BUG_ON(start + size > res->size); in amdgpu_res_first()
67 cur->mem_type = res->mem_type; in amdgpu_res_first()
69 switch (cur->mem_type) { in amdgpu_res_first()
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H A Damdgpu_vram_mgr.c25 #include <linux/dma-mapping.h>
36 u64 size; member
61 struct drm_buddy_block *block; in amdgpu_is_vram_mgr_blocks_contiguous() local
62 u64 start, size; in amdgpu_is_vram_mgr_blocks_contiguous() local
64 block = amdgpu_vram_mgr_first_block(head); in amdgpu_is_vram_mgr_blocks_contiguous()
65 if (!block) in amdgpu_is_vram_mgr_blocks_contiguous()
68 while (head != block->link.next) { in amdgpu_is_vram_mgr_blocks_contiguous()
69 start = amdgpu_vram_mgr_block_start(block); in amdgpu_is_vram_mgr_blocks_contiguous()
70 size = amdgpu_vram_mgr_block_size(block); in amdgpu_is_vram_mgr_blocks_contiguous()
72 block = list_entry(block->link.next, struct drm_buddy_block, link); in amdgpu_is_vram_mgr_blocks_contiguous()
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/openbmc/linux/sound/soc/sof/
H A Dipc3-loader.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
9 #include "sof-priv.h"
10 #include "sof-audio.h"
11 #include "ipc3-priv.h"
20 memcpy(&sdev->fw_ready.version, &v->version, sizeof(v->version)); in ipc3_fw_ext_man_get_version()
21 sdev->fw_ready.flags = v->flags; in ipc3_fw_ext_man_get_version()
34 return sof_ipc3_get_ext_windows(sdev, &w->ipc_window.ext_hdr); in ipc3_fw_ext_man_get_windows()
44 return sof_ipc3_get_cc_info(sdev, &cc->cc_version.ext_hdr); in ipc3_fw_ext_man_get_cc_info()
53 if (sdev->first_boot) in ipc3_fw_ext_man_get_dbg_abi_info()
54 dev_dbg(sdev->dev, in ipc3_fw_ext_man_get_dbg_abi_info()
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/openbmc/linux/mm/
H A Ddmapool.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * This allocator returns small blocks of a given size which are DMA-able by
11 * new pages, then splits them up into blocks of the required size.
15 * represented by the 'struct dma_pool' which keeps a doubly-linked list of
17 * least 'size' bytes. Free blocks are tracked in an unsorted singly-linked
23 #include <linux/dma-mapping.h>
56 unsigned int size; member
75 unsigned size; in pools_show() local
77 size = sysfs_emit(buf, "poolinfo - 0.1\n"); in pools_show()
80 list_for_each_entry(pool, &dev->dma_pools, pools) { in pools_show()
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/openbmc/linux/sound/pci/emu10k1/
H A Demu10k1_patch.c1 // SPDX-License-Identifier: GPL-2.0-or-later
22 * allocate a sample block and copy data from userspace
30 int truesize, size, blocksize; in snd_emu10k1_sample_new() local
36 emu = rec->hw; in snd_emu10k1_sample_new()
38 return -EINVAL; in snd_emu10k1_sample_new()
40 if (sp->v.size == 0) { in snd_emu10k1_sample_new()
41 dev_dbg(emu->card->dev, in snd_emu10k1_sample_new()
42 "emu: rom font for sample %d\n", sp->v.sample); in snd_emu10k1_sample_new()
47 sp->v.end -= sp->v.start; in snd_emu10k1_sample_new()
48 sp->v.loopstart -= sp->v.start; in snd_emu10k1_sample_new()
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/openbmc/linux/Documentation/filesystems/ext4/
H A Dblockgroup.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------
6 The layout of a standard block group is approximately as follows (each
9 .. list-table::
11 :header-rows: 1
13 * - Group 0 Padding
14 - ext4 Super Block
15 - Group Descriptors
16 - Reserved GDT Blocks
17 - Data Block Bitmap
[all …]
H A Dblocks.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------
6 ext4 allocates storage space in units of “blocks”. A block is a group of
9 block groups. Block size is specified at mkfs time and typically is
10 4KiB. You may experience mounting problems if block size is greater than
11 page size (i.e. 64KiB blocks on a i386 which only has 4KiB memory
14 of structures is stored in terms of the block number the structure lives
17 For 32-bit filesystems, limits are as follows:
19 .. list-table::
21 :header-rows: 1
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/openbmc/linux/arch/powerpc/lib/
H A Drheap.c35 pp = (unsigned long *)&l->next; in fixup()
39 pp = (unsigned long *)&l->prev; in fixup()
47 rh_block_t *block, *blk; in grow() local
52 if (max_blocks <= info->max_blocks) in grow()
53 return -EINVAL; in grow()
55 new_blocks = max_blocks - info->max_blocks; in grow()
57 block = kmalloc_array(max_blocks, sizeof(rh_block_t), GFP_ATOMIC); in grow()
58 if (block == NULL) in grow()
59 return -ENOMEM; in grow()
61 if (info->max_blocks > 0) { in grow()
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/openbmc/linux/Documentation/admin-guide/device-mapper/
H A Ddm-ebs.rst2 dm-ebs
7 a smaller logical block size on a device with a larger logical block
8 size. Its main purpose is to provide emulation of 512 byte sectors on
11 Supported emulated logical block sizes 512, 1024, 2048 and 4096.
13 Underlying block size can be set to > 4K to test buffering larger units.
17 ----------------
23 Full pathname to the underlying block-device,
24 or a "major:minor" device-number.
29 Number of sectors defining the logical block size to be emulated;
35 Number of sectors defining the logical block size of <dev path>.
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/openbmc/linux/fs/xfs/libxfs/
H A Dxfs_trans_resv.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
44 * will be changed in a transaction. size is used to tell how many
50 uint size) in xfs_calc_buf_res() argument
52 return nbufs * (size + xfs_buf_log_overhead()); in xfs_calc_buf_res()
56 * Per-extent log reservation for the btree changes involved in freeing or
61 * num trees * ((2 blocks/level * max depth) - 1)
72 blocks = num_ops * 2 * (2 * mp->m_alloc_maxlevels - 1); in xfs_allocfree_block_count()
74 blocks += num_ops * (2 * mp->m_rmap_maxlevels - 1); in xfs_allocfree_block_count()
80 * Per-extent log reservation for refcount btree changes. These are never done
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/openbmc/linux/Documentation/ABI/stable/
H A Dsysfs-block1 What: /sys/block/<disk>/alignment_offset
5 Storage devices may report a physical block size that is
6 bigger than the logical block size (for instance a drive
7 with 4KB physical sectors exposing 512-byte logical
13 What: /sys/block/<disk>/discard_alignment
19 the exported logical block size. The discard_alignment
25 What: /sys/block/<disk>/diskseq
29 The /sys/block/<disk>/diskseq files reports the disk
37 What: /sys/block/<disk>/inflight
43 than the number of requests queued in the block device queue.
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/openbmc/qemu/tests/qemu-iotests/
H A D307.out5 {"execute": "nbd-server-start", "arguments": {"addr": {"data": {"path": "SOCK_DIR/PID-socket"}, "ty…
7 {"execute": "query-block-exports", "arguments": {}}
10 === Create a read-only NBD export ===
11 {"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
13 {"execute": "query-block-exports", "arguments": {}}
14 {"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
17 size: 67108864
18 flags: 0x158f ( readonly flush fua df multi cache block-status-payload )
19 min block: XXX
20 opt block: XXX
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H A D213.out3 …"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filen…
5 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
8 {"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "nod…
10 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file"…
12 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
17 virtual size: 128 MiB (134217728 bytes)
22 …"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filen…
24 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
27 …-create", "arguments": {"job-id": "job0", "options": {"block-size": 8388608, "block-state-zero": t…
29 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
[all …]
/openbmc/linux/drivers/iio/buffer/
H A Dindustrialio-buffer-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright 2013-2015 Analog Devices Inc.
4 * Author: Lars-Peter Clausen <lars@metafoo.de>
16 #include <linux/iio/buffer-dma.h>
17 #include <linux/dma-mapping.h>
21 * For DMA buffers the storage is sub-divided into so called blocks. Each block
22 * has its own memory buffer. The size of the block is the granularity at which
24 * basic unit of data exchange from one sample to one block decreases the
27 * sample the overhead will be x for each sample. Whereas when using a block
35 * them with data. Block on the outgoing queue have been filled with data and
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/openbmc/linux/fs/cramfs/
H A DREADME2 --------------------------
9 All data is currently in host-endian format; neither mkcramfs nor the
10 kernel ever do swabbing. (See section `Block Size' below.)
22 Filename. Not generally null-terminated, but it is
23 null-padded to a multiple of 4 bytes.
25 The order of inode traversal is described as "width-first" (not to be
26 confused with breadth-first); i.e. like depth-first but listing all of
28 same order as `ls -AUR' (but without the /^\..*:$/ directory header
29 lines); put another way, the same order as `find -type d -exec
30 ls -AU1 {} \;'.
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/openbmc/linux/drivers/misc/
H A Dsram.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Generic on-chip SRAM allocation driver
19 #include <soc/at91/atmel-secumod.h>
33 mutex_lock(&part->lock); in sram_read()
34 memcpy_fromio(buf, part->base + pos, count); in sram_read()
35 mutex_unlock(&part->lock); in sram_read()
48 mutex_lock(&part->lock); in sram_write()
49 memcpy_toio(part->base + pos, buf, count); in sram_write()
50 mutex_unlock(&part->lock); in sram_write()
55 static int sram_add_pool(struct sram_dev *sram, struct sram_reserve *block, in sram_add_pool() argument
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/openbmc/linux/lib/xz/
H A Dxz_dec_stream.c35 /* Position in variable-length integers and Check fields */
38 /* Variable-length integer decoded by dec_vli() */
45 /* CRC32 value in Block or Index */
60 /* Information stored in Block Header */
63 * Value stored in the Compressed Size field, or
64 * VLI_UNKNOWN if Compressed Size is not present.
69 * Value stored in the Uncompressed Size field, or
70 * VLI_UNKNOWN if Uncompressed Size is not present.
74 /* Size of the Block Header field */
75 uint32_t size; member
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/openbmc/linux/arch/mips/cavium-octeon/executive/
H A Dcvmx-bootmem.c7 * Copyright (c) 2003-2008 Cavium Networks
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
37 #include <asm/octeon/cvmx-spinlock.h>
38 #include <asm/octeon/cvmx-bootmem.h>
71 * @param size Size of the structure member.
76 int size) in __cvmx_bootmem_desc_get() argument
79 switch (size) { in __cvmx_bootmem_desc_get()
90 * Wrapper functions are provided for reading/writing the size and
91 * next block values as these may not be directly addressible (in 32
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/openbmc/linux/fs/ocfs2/
H A Docfs2_fs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * On-disk structures for OCFS2.
23 * Block OCFS2_SUPER_BLOCK_BLKNO: OCFS2 superblock.
33 * Cluster size limits. The maximum is kept arbitrarily at 1 MB, and could
41 * minimum cluster size.
59 ( OCFS2_SB(sb)->s_feature_compat & (mask) )
61 ( OCFS2_SB(sb)->s_feature_ro_compat & (mask) )
63 ( OCFS2_SB(sb)->s_feature_incompat & (mask) )
65 OCFS2_SB(sb)->s_feature_compat |= (mask)
67 OCFS2_SB(sb)->s_feature_ro_compat |= (mask)
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/openbmc/linux/sound/synth/
H A Dutil_mem.c1 // SPDX-License-Identifier: GPL-2.0-or-later
32 hdr->size = memsize; in snd_util_memhdr_new()
33 mutex_init(&hdr->block_mutex); in snd_util_memhdr_new()
34 INIT_LIST_HEAD(&hdr->block); in snd_util_memhdr_new()
49 while ((p = hdr->block.next) != &hdr->block) { in snd_util_memhdr_free()
57 * allocate a memory block (without mutex)
60 __snd_util_mem_alloc(struct snd_util_memhdr *hdr, int size) in __snd_util_mem_alloc() argument
66 if (snd_BUG_ON(!hdr || size <= 0)) in __snd_util_mem_alloc()
70 units = size; in __snd_util_mem_alloc()
73 if (units > hdr->size) in __snd_util_mem_alloc()
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