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/kernel/linux/linux-5.10/arch/riscv/boot/dts/sifive/
Dfu540-c000.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Copyright (c) 2018-2019 SiFive, Inc */
4 /dts-v1/;
6 #include <dt-bindings/clock/sifive-fu540-prci.h>
9 #address-cells = <2>;
10 #size-cells = <2>;
11 compatible = "sifive,fu540-c000", "sifive,fu540";
23 #address-cells = <1>;
24 #size-cells = <0>;
28 i-cache-block-size = <64>;
[all …]
/kernel/linux/linux-6.6/arch/riscv/boot/dts/sifive/
Dfu540-c000.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Copyright (c) 2018-2019 SiFive, Inc */
4 /dts-v1/;
6 #include <dt-bindings/clock/sifive-fu540-prci.h>
9 #address-cells = <2>;
10 #size-cells = <2>;
11 compatible = "sifive,fu540-c000", "sifive,fu540";
23 #address-cells = <1>;
24 #size-cells = <0>;
28 i-cache-block-size = <64>;
[all …]
Dfu740-c000.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
4 /dts-v1/;
6 #include <dt-bindings/clock/sifive-fu740-prci.h>
9 #address-cells = <2>;
10 #size-cells = <2>;
11 compatible = "sifive,fu740-c000", "sifive,fu740";
23 #address-cells = <1>;
24 #size-cells = <0>;
28 i-cache-block-size = <64>;
29 i-cache-sets = <128>;
[all …]
/kernel/linux/linux-5.10/fs/squashfs/
Dfile.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Squashfs - a compressed read only filesystem for Linux
14 * compressed fragment block (tail-end packed block). The compressed size
15 * of each datablock is stored in a block list contained within the
19 * larger), the code implements an index cache that caches the mapping from
20 * block index to datablock location on disk.
22 * The index cache allows Squashfs to handle large files (up to 1.75 TiB) while
23 * retaining a simple and space-efficient block list on disk. The cache
26 * The index cache is designed to be memory efficient, and by default uses
44 * Locate cache slot in range [offset, index] for specified inode. If
[all …]
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "SquashFS 4.0 - Squashed file system support"
4 depends on BLOCK
7 Read-Only File System). Squashfs is a highly compressed read-only
11 Block sizes greater than 4K are supported up to a maximum of 1 Mbytes
12 (default block size 128K). SquashFS 4.0 supports 64 bit filesystems
16 Squashfs is intended for general read-only filesystem use, for
17 archival use (i.e. in cases where a .tar.gz file may be used), and in
35 intermediate buffer and then memcopied it into the page cache.
37 the page cache.
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/riscv/
Dcpus.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RISC-V CPUs
10 - Paul Walmsley <paul.walmsley@sifive.com>
11 - Palmer Dabbelt <palmer@sifive.com>
12 - Conor Dooley <conor@kernel.org>
15 This document uses some terminology common to the RISC-V community
19 mandated by the RISC-V ISA: a PC and some registers. This
27 - $ref: /schemas/cpu.yaml#
[all …]
/kernel/linux/linux-6.6/fs/squashfs/
Dfile.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Squashfs - a compressed read only filesystem for Linux
14 * compressed fragment block (tail-end packed block). The compressed size
15 * of each datablock is stored in a block list contained within the
19 * larger), the code implements an index cache that caches the mapping from
20 * block index to datablock location on disk.
22 * The index cache allows Squashfs to handle large files (up to 1.75 TiB) while
23 * retaining a simple and space-efficient block list on disk. The cache
26 * The index cache is designed to be memory efficient, and by default uses
45 * Locate cache slot in range [offset, index] for specified inode. If
[all …]
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "SquashFS 4.0 - Squashed file system support"
4 depends on BLOCK
7 Read-Only File System). Squashfs is a highly compressed read-only
11 Block sizes greater than 4K are supported up to a maximum of 1 Mbytes
12 (default block size 128K). SquashFS 4.0 supports 64 bit filesystems
16 Squashfs is intended for general read-only filesystem use, for
17 archival use (i.e. in cases where a .tar.gz file may be used), and in
35 intermediate buffer and then memcopied it into the page cache.
37 the page cache.
[all …]
/kernel/linux/linux-6.6/arch/riscv/boot/dts/thead/
Dth1520.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
7 #include <dt-bindings/interrupt-controller/irq.h>
11 #address-cells = <2>;
12 #size-cells = <2>;
15 #address-cells = <1>;
16 #size-cells = <0>;
17 timebase-frequency = <3000000>;
24 i-cache-block-size = <64>;
25 i-cache-size = <65536>;
26 i-cache-sets = <512>;
[all …]
/kernel/linux/linux-6.6/arch/riscv/boot/dts/microchip/
Dmpfs.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Copyright (c) 2020-2021 Microchip Technology Inc */
4 /dts-v1/;
5 #include "dt-bindings/clock/microchip,mpfs-clock.h"
8 #address-cells = <2>;
9 #size-cells = <2>;
14 #address-cells = <1>;
15 #size-cells = <0>;
20 i-cache-block-size = <64>;
21 i-cache-sets = <128>;
[all …]
/kernel/linux/linux-5.10/fs/affs/
Dfile.c1 // SPDX-License-Identifier: GPL-2.0
5 * (c) 1996 Hans-Joachim Widmaier - Rewritten
7 * (C) 1993 Ray Burr - Modified for Amiga FFS filesystem.
11 * (C) 1991 Linus Torvalds - minix filesystem
26 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_open()
27 atomic_inc(&AFFS_I(inode)->i_opencnt); in affs_file_open()
35 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_release()
37 if (atomic_dec_and_test(&AFFS_I(inode)->i_opencnt)) { in affs_file_release()
39 if (inode->i_size != AFFS_I(inode)->mmu_private) in affs_file_release()
51 struct super_block *sb = inode->i_sb; in affs_grow_extcache()
[all …]
/kernel/linux/linux-6.6/fs/affs/
Dfile.c1 // SPDX-License-Identifier: GPL-2.0
5 * (c) 1996 Hans-Joachim Widmaier - Rewritten
7 * (C) 1993 Ray Burr - Modified for Amiga FFS filesystem.
11 * (C) 1991 Linus Torvalds - minix filesystem
27 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_open()
28 atomic_inc(&AFFS_I(inode)->i_opencnt); in affs_file_open()
36 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_release()
38 if (atomic_dec_and_test(&AFFS_I(inode)->i_opencnt)) { in affs_file_release()
40 if (inode->i_size != AFFS_I(inode)->mmu_private) in affs_file_release()
52 struct super_block *sb = inode->i_sb; in affs_grow_extcache()
[all …]
/kernel/linux/linux-5.10/arch/powerpc/kernel/
Dcacheinfo.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Processor cache information made available to userspace via sysfs;
27 /* per-cpu object for tracking:
28 * - a "cache" kobject for the top-level directory
29 * - a list of "index" objects representing the cpu's local cache hierarchy
32 struct kobject *kobj; /* bare (not embedded) kobject for cache
37 /* "index" object: each cpu's cache directory has an index
38 * subdirectory corresponding to a cache object associated with the
44 struct cache *cache; member
48 * cache type */
[all …]
/kernel/linux/linux-6.6/arch/powerpc/kernel/
Dcacheinfo.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Processor cache information made available to userspace via sysfs;
26 /* per-cpu object for tracking:
27 * - a "cache" kobject for the top-level directory
28 * - a list of "index" objects representing the cpu's local cache hierarchy
31 struct kobject *kobj; /* bare (not embedded) kobject for cache
36 /* "index" object: each cpu's cache directory has an index
37 * subdirectory corresponding to a cache object associated with the
43 struct cache *cache; member
47 * cache type */
[all …]
/kernel/linux/linux-5.10/arch/riscv/boot/dts/kendryte/
Dk210.dtsi1 // SPDX-License-Identifier: GPL-2.0+
6 #include <dt-bindings/clock/k210-clk.h>
10 * Although the K210 is a 64-bit CPU, the address bus is only 32-bits
13 #address-cells = <1>;
14 #size-cells = <1>;
23 * Since this is a non-ratified draft specification, the kernel does not
28 #address-cells = <1>;
29 #size-cells = <0>;
30 timebase-frequency = <7800000>;
36 mmu-type = "none";
[all …]
/kernel/linux/linux-5.10/arch/riscv/kernel/
Dcacheinfo.c1 // SPDX-License-Identifier: GPL-2.0-only
22 if (rv_cache_ops && rv_cache_ops->get_priv_group) in cache_get_priv_group()
23 return rv_cache_ops->get_priv_group(this_leaf); in cache_get_priv_group()
32 * that cores have a homonogenous view of the cache hierarchy. That in get_cacheinfo()
33 * happens to be the case for the current set of RISC-V systems, but in get_cacheinfo()
42 for (index = 0; index < this_cpu_ci->num_leaves; index++) { in get_cacheinfo()
43 this_leaf = this_cpu_ci->info_list + index; in get_cacheinfo()
44 if (this_leaf->level == level && this_leaf->type == type) in get_cacheinfo()
55 return this_leaf ? this_leaf->size : 0; in get_cache_size()
62 return this_leaf ? (this_leaf->ways_of_associativity << 16 | in get_cache_geometry()
[all …]
/kernel/linux/linux-6.6/arch/powerpc/include/asm/
Dvdso_datapage.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
62 __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
70 __u32 dcache_size; /* L1 d-cache size 0x60 */
71 __u32 dcache_line_size; /* L1 d-cache line size 0x64 */
72 __u32 icache_size; /* L1 i-cache size 0x68 */
73 __u32 icache_line_size; /* L1 i-cache line size 0x6C */
78 __u32 dcache_block_size; /* L1 d-cache block size */
79 __u32 icache_block_size; /* L1 i-cache block size */
80 __u32 dcache_log_block_size; /* L1 d-cache log block size */
81 __u32 icache_log_block_size; /* L1 i-cache log block size */
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/riscv/
Dcpus.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RISC-V bindings for 'cpus' DT nodes
10 - Paul Walmsley <paul.walmsley@sifive.com>
11 - Palmer Dabbelt <palmer@sifive.com>
14 This document uses some terminology common to the RISC-V community
18 mandated by the RISC-V ISA: a PC and some registers. This
28 - items:
29 - enum:
[all …]
/kernel/linux/linux-6.6/fs/btrfs/
Dblock-group.c1 // SPDX-License-Identifier: GPL-2.0
7 #include "block-group.h"
8 #include "space-info.h"
9 #include "disk-io.h"
10 #include "free-space-cache.h"
11 #include "free-space-tree.h"
14 #include "ref-verify.h"
16 #include "tree-log.h"
17 #include "delalloc-space.h"
23 #include "extent-tree.h"
[all …]
/kernel/linux/linux-6.6/Documentation/admin-guide/
Dbcache.rst2 A block layer cache (bcache)
6 nice if you could use them as cache... Hence bcache.
11 This is the git repository of bcache-tools:
12 https://git.kernel.org/pub/scm/linux/kernel/git/colyli/bcache-tools.git/
17 It's designed around the performance characteristics of SSDs - it only allocates
18 in erase block sized buckets, and it uses a hybrid btree/log to track cached
19 extents (which can be anywhere from a single sector to the bucket size). It's
20 designed to avoid random writes at all costs; it fills up an erase block
25 great lengths to protect your data - it reliably handles unclean shutdown. (It
29 Writeback caching can use most of the cache for buffering writes - writing
[all …]
/kernel/linux/linux-5.10/Documentation/admin-guide/
Dbcache.rst2 A block layer cache (bcache)
6 nice if you could use them as cache... Hence bcache.
11 This is the git repository of bcache-tools:
12 https://git.kernel.org/pub/scm/linux/kernel/git/colyli/bcache-tools.git/
17 It's designed around the performance characteristics of SSDs - it only allocates
18 in erase block sized buckets, and it uses a hybrid btree/log to track cached
19 extents (which can be anywhere from a single sector to the bucket size). It's
20 designed to avoid random writes at all costs; it fills up an erase block
25 great lengths to protect your data - it reliably handles unclean shutdown. (It
29 Writeback caching can use most of the cache for buffering writes - writing
[all …]
/kernel/linux/linux-5.10/arch/powerpc/include/asm/
Dvdso_datapage.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
61 __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
69 __u32 dcache_size; /* L1 d-cache size 0x60 */
70 __u32 dcache_line_size; /* L1 d-cache line size 0x64 */
71 __u32 icache_size; /* L1 i-cache size 0x68 */
72 __u32 icache_line_size; /* L1 i-cache line size 0x6C */
77 __u32 dcache_block_size; /* L1 d-cache block size */
78 __u32 icache_block_size; /* L1 i-cache block size */
79 __u32 dcache_log_block_size; /* L1 d-cache log block size */
80 __u32 icache_log_block_size; /* L1 i-cache log block size */
[all …]
/kernel/linux/linux-6.6/drivers/md/
Ddm-cache-target.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include "dm-bio-prison-v2.h"
10 #include "dm-bio-record.h"
11 #include "dm-cache-metadata.h"
12 #include "dm-io-tracker.h"
13 #include "dm-cache-background-tracker.h"
15 #include <linux/dm-io.h>
16 #include <linux/dm-kcopyd.h>
25 #define DM_MSG_PREFIX "cache"
28 "A percentage of time allocated for copying to and/or from cache");
[all …]
/kernel/linux/linux-5.10/drivers/md/
Ddm-cache-target.c8 #include "dm-bio-prison-v2.h"
9 #include "dm-bio-record.h"
10 #include "dm-cache-metadata.h"
12 #include <linux/dm-io.h>
13 #include <linux/dm-kcopyd.h>
22 #define DM_MSG_PREFIX "cache"
25 "A percentage of time allocated for copying to and/or from cache");
27 /*----------------------------------------------------------------*/
32 * oblock: index of an origin block
33 * cblock: index of a cache block
[all …]
/kernel/linux/linux-6.6/arch/riscv/boot/dts/starfive/
Djh7100.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR MIT
7 /dts-v1/;
8 #include <dt-bindings/clock/starfive-jh7100.h>
9 #include <dt-bindings/reset/starfive-jh7100.h>
13 #address-cells = <2>;
14 #size-cells = <2>;
17 #address-cells = <1>;
18 #size-cells = <0>;
21 compatible = "sifive,u74-mc", "riscv";
23 d-cache-block-size = <64>;
[all …]

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