| /linux/arch/riscv/boot/dts/sophgo/ |
| H A D | sg2042-cpus.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
8 #address-cells = <1>;
9 #size-cells = <0>;
10 timebase-frequency = <50000000>;
12 cpu-map {
260 riscv,isa-base = "rv64i";
261 riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
265 i-cache-block-size = <64>;
266 i-cache-size = <65536>;
267 i-cache-sets = <512>;
[all …]
|
| H A D | sg2044-cpus.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
7 #address-cells = <2>;
8 #size-cells = <2>;
11 #address-cells = <1>;
12 #size-cells = <0>;
13 timebase-frequency = <50000000>;
18 i-cache-block-size = <64>;
19 i-cache-size = <65536>;
20 i-cache-sets = <512>;
21 d-cache-block-size = <64>;
[all …]
|
| H A D | cv180x-cpus.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
9 #address-cells = <1>;
10 #size-cells = <0>;
11 timebase-frequency = <25000000>;
17 d-cache-block-size = <64>;
18 d-cache-sets = <512>;
19 d-cache-size = <65536>;
20 i-cache-block-size = <64>;
21 i-cache-sets = <128>;
22 i-cache-size = <32768>;
[all …]
|
| /linux/arch/riscv/boot/dts/spacemit/ |
| H A D | k1.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 OR MIT
6 #include <dt-bindings/clock/spacemit,k1-syscon.h>
8 /dts-v1/;
10 #address-cells = <2>;
11 #size-cells = <2>;
16 #address-cells = <1>;
17 #size-cells = <0>;
18 timebase-frequency = <24000000>;
20 cpu-map {
57 riscv,isa-base = "rv64i";
[all …]
|
| /linux/arch/riscv/boot/dts/sifive/ |
| H A D | fu540-c000.dtsi | 1 // 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 …]
|
| H A D | fu740-c000.dtsi | 1 // 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 …]
|
| /linux/Documentation/devicetree/bindings/riscv/ |
| H A D | cpus.yaml | 1 # 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 …]
|
| /linux/arch/riscv/boot/dts/microchip/ |
| H A D | mpfs.dtsi | 1 // 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>;
16 timebase-frequency = <1000000>;
21 i-cache-block-size = <64>;
[all …]
|
| /linux/fs/affs/ |
| H A D | file.c | 1 // 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 …]
|
| /linux/arch/powerpc/kernel/ |
| H A D | cacheinfo.c | 1 // 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 …]
|
| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | vdo.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
3 dm-vdo
6 The dm-vdo (virtual data optimizer) device mapper target provides
7 block-level deduplication, compression, and thin provisioning. As a device
20 https://github.com/dm-vdo/vdo/
25 enter or come up in read-only mode. Because read-only mode is indicative of
26 data-loss, a positive action must be taken to bring vdo out of read-only
28 prepare a read-only vdo to exit read-only mode. After running this tool,
34 inspect a vdo target's on-disk metadata. Fortunately, these tools are
35 rarely needed except by dm-vdo developers.
[all …]
|
| H A D | dm-clone.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
4 dm-clone
10 dm-clone is a device mapper target which produces a one-to-one copy of an
11 existing, read-only source device into a writable destination device: It
12 presents a virtual block device which makes all data appear immediately, and
15 The main use case of dm-clone is to clone a potentially remote, high-latency,
16 read-only, archival-type block device into a writable, fast, primary-type device
17 for fast, low-latency I/O. The cloned device is visible/mountable immediately
19 background, in parallel with user I/O.
21 For example, one could restore an application backup from a read-only copy,
[all …]
|
| H A D | cache.rst | 2 Cache title
8 dm-cache is a device mapper target written by Joe Thornber, Heinz
11 It aims to improve performance of a block device (eg, a spindle) by
15 This device-mapper solution allows us to insert this caching at
17 a thin-provisioning pool. Caching solutions that are integrated more
20 The target reuses the metadata library used in the thin-provisioning
23 The decision as to what data to migrate and when is left to a plug-in
32 Movement of the primary copy of a logical block from one
39 The origin device always contains a copy of the logical block, which
40 may be out of date or kept in sync with the copy on the cache device
[all …]
|
| /linux/fs/squashfs/ |
| H A D | Kconfig | 1 # 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
19 and tools are available from github.com/plougher/squashfs-tools.
35 intermediate buffer and then memcopied it into the page cache.
[all …]
|
| H A D | cache.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Squashfs - a compressed read only filesystem for Linux
8 * cache.c
15 * This file implements a generic cache implementation used for both caches,
16 * plus functions layered ontop of the generic cache implementation to
19 * To avoid out of memory and fragmentation issues with vmalloc the cache
22 * It should be noted that the cache is not used for file datablocks, these
23 * are decompressed and cached in the page-cache in the normal way. The
24 * cache is only used to temporarily cache fragment and metadata blocks
25 * which have been read as as a result of a metadata (i.e. inode or
[all …]
|
| /linux/arch/powerpc/boot/dts/ |
| H A D | microwatt.dts | 1 /dts-v1/;
2 #include <dt-bindings/gpio/gpio.h>
5 #size-cells = <0x02>;
6 #address-cells = <0x02>;
8 compatible = "microwatt-soc";
15 reserved-memory {
16 #size-cells = <0x02>;
17 #address-cells = <0x02>;
28 #clock-cells = <0>;
29 compatible = "fixed-clock";
[all …]
|
| H A D | iss4xx-mpic.dts | 15 /dts-v1/;
20 #address-cells = <2>;
21 #size-cells = <1>;
22 model = "ibm,iss-4xx";
23 compatible = "ibm,iss-4xx";
24 dcr-parent = <&{/cpus/cpu@0}>;
31 #address-cells = <1>;
32 #size-cells = <0>;
38 clock-frequency = <100000000>; // 100Mhz :-)
39 timebase-frequency = <100000000>;
[all …]
|
| /linux/drivers/md/ |
| H A D | dm-cache-target.c | 1 // 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 …]
|
| /linux/arch/riscv/boot/dts/thead/ |
| H A D | th1520.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
7 #include <dt-bindings/interrupt-controller/irq.h>
8 #include <dt-bindings/clock/thead,th1520-clk-ap.h>
9 #include <dt-bindings/power/thead,th1520-power.h>
13 #address-cells = <2>;
14 #size-cells = <2>;
17 #address-cells = <1>;
18 #size-cells = <0>;
19 timebase-frequency = <3000000>;
25 riscv,isa-base = "rv64i";
[all …]
|
| /linux/Documentation/admin-guide/ |
| H A D | bcache.rst | 2 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 …]
|
| /linux/fs/btrfs/ |
| H A D | zoned.c | 1 // SPDX-License-Identifier: GPL-2.0
12 #include "rcu-string.h"
13 #include "disk-io.h"
14 #include "block-group.h"
15 #include "dev-replace.h"
16 #include "space-info.h"
24 #define WP_MISSING_DEV ((u64)-1)
26 #define WP_CONVENTIONAL ((u64)-2)
31 * - primary superblock: 0B (zone 0)
32 * - first copy: 512G (zone starting at that offset)
[all …]
|
| /linux/arch/riscv/boot/dts/starfive/ |
| H A D | jh7110.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 OR MIT
7 /dts-v1/;
8 #include <dt-bindings/clock/starfive,jh7110-crg.h>
9 #include <dt-bindings/power/starfive,jh7110-pmu.h>
10 #include <dt-bindings/reset/starfive,jh7110-crg.h>
11 #include <dt-bindings/thermal/thermal.h>
15 #address-cells = <2>;
16 #size-cells = <2>;
19 #address-cells = <1>;
20 #size-cells = <0>;
[all …]
|
| /linux/drivers/md/bcache/ |
| H A D | debug.c | 1 // SPDX-License-Identifier: GPL-2.0
24 #define for_each_written_bset(b, start, i) \ argument
25 for (i = (start); \
26 (void *) i < (void *) (start) + (KEY_SIZE(&b->key) << 9) &&\
27 i->seq == (start)->seq; \
28 i = (void *) i + set_blocks(i, block_bytes(b->c->cache)) * \
29 block_bytes(b->c->cache))
33 struct btree *v = b->c->verify_data; in bch_btree_verify()
37 if (!b->c->verify || !b->c->verify_ondisk) in bch_btree_verify()
40 down(&b->io_mutex); in bch_btree_verify()
[all …]
|
| /linux/fs/nilfs2/ |
| H A D | btnode.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * NILFS B-tree node cache
5 * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
15 #include <linux/backing-dev.h>
25 * nilfs_init_btnc_inode - initialize B-tree node cache inode
28 * nilfs_init_btnc_inode() sets up an inode for B-tree node cache.
34 btnc_inode->i_mode = S_IFREG; in nilfs_init_btnc_inode()
35 ii->i_flags = 0; in nilfs_init_btnc_inode()
36 memset(&ii->i_bmap_data, 0, sizeof(struct nilfs_bmap)); in nilfs_init_btnc_inode()
37 mapping_set_gfp_mask(btnc_inode->i_mapping, GFP_NOFS); in nilfs_init_btnc_inode()
[all …]
|
| /linux/arch/mips/include/asm/octeon/ |
| H A D | cvmx-fpa.h | 7 * 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
41 #include <asm/octeon/cvmx-address.h>
42 #include <asm/octeon/cvmx-fpa-defs.h>
56 * the (64-bit word) location in scratchpad to write
62 /* the ID of the device on the non-coherent bus */
84 /* Size of each block */
85 uint64_t size; member
86 /* The base memory address of whole block */
[all …]
|