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/openbmc/linux/drivers/md/
H A 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 …]
H A Ddm-bufio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2009-2011 Red Hat, Inc.
10 #include <linux/dm-bufio.h>
12 #include <linux/device-mapper.h>
13 #include <linux/dm-io.h>
65 * dm_buffer->list_mode
73 /*--------------------------------------------------------------*/
101 /*--------------*/
105 lru->cursor = NULL; in lru_init()
106 lru->count = 0; in lru_init()
[all …]
H A Ddm-cache-policy.h1 /* SPDX-License-Identifier: GPL-2.0-only */
11 #include "dm-cache-block-types.h"
13 #include <linux/device-mapper.h>
15 /*----------------------------------------------------------------*/
18 * The cache policy makes the important decisions about which blocks get to
19 * live on the faster cache device.
31 enum policy_operation op; member
37 * The cache policy object. It is envisaged that this structure will be
47 * Find the location of a block.
49 * Must not block.
[all …]
H A Ddm-ebs-target.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Device-mapper target to emulate smaller logical block
8 * size on backing devices exposing (natively) larger ones.
16 #include <linux/dm-bufio.h>
22 /* Emulated block size context. */
24 struct dm_dev *dev; /* Underlying device to emulate block size on. */
25 struct dm_bufio_client *bufio; /* Use dm-bufio for read and read-modify-write processing. */
31 unsigned int e_bs; /* Emulated block size in sectors exposed to upper layer. */
32 …unsigned int u_bs; /* Underlying block size in sectors retrieved from/set on lower layer device. …
33 unsigned char block_shift; /* bitshift sectors -> blocks used in dm-bufio API. */
[all …]
/openbmc/linux/Documentation/devicetree/bindings/riscv/
H A 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#
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/openbmc/qemu/docs/about/
H A Demulation.rst9 .. list-table:: Supported Guest Architectures for Emulation
11 :header-rows: 1
13 * - Architecture (qemu name)
14 - System
15 - User
16 - Notes
17 * - Alpha
18 - Yes
19 - Yes
20 - Legacy 64 bit RISC ISA developed by DEC
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/openbmc/linux/include/linux/
H A Dblk_types.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Block data types and constants. Directly include this file only to
24 * The basic unit of block I/O is a sector. It is used in a number of contexts
25 * in Linux (blk, bio, genhd). The size of one sector is 512 = 2**9
26 * bytes. Variables of type sector_t represent an offset or size that is a
36 #define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
38 #define SECTOR_MASK (PAGE_SECTORS - 1)
47 bool bd_read_only; /* read-only policy */
53 spinlock_t bd_size_lock; /* for bd_inode->i_size updates */
74 * keep this out-of-line as it's both big and not needed in the fast
[all …]
/openbmc/linux/drivers/block/null_blk/
H A Dnull_blk.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 #include <linux/blk-mq.h>
14 #include <linux/fault-inject.h>
79 struct radix_tree_root cache; /* disk cache data */ member
94 unsigned long size; /* device size in MB */ member
96 unsigned long cache_size; /* disk cache size in MB */
97 unsigned long zone_size; /* zone size in MB if device is zoned */
107 unsigned int queue_mode; /* block interface */
108 unsigned int blocksize; /* block size */
114 bool blocking; /* blocking blk-mq device */
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/openbmc/linux/include/linux/ceph/
H A Drados.h1 /* SPDX-License-Identifier: GPL-2.0 */
29 #define CEPH_SNAPDIR ((__u64)(-1)) /* reserved for hidden .snap dir */
30 #define CEPH_NOSNAP ((__u64)(-2)) /* "head", "live" revision */
31 #define CEPH_MAXSNAP ((__u64)(-3)) /* largest valid snapid */
40 * object layout - how objects are mapped into PGs
47 * pg layout -- how PGs are mapped onto (sets of) OSDs
69 * pg_num -- base number of pseudorandomly placed pgs
71 * pgp_num -- effective number when calculating pg placement. this
78 * lpg_num -- localized pg count (per device). replicas are randomly
81 * lpgp_num -- as above.
[all …]
/openbmc/linux/drivers/crypto/marvell/cesa/
H A Dcesa.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 #include <linux/dma-direction.h>
70 * in Errata 4.12. It looks like that it was part of an IRQ-controller in FPGA
124 * /-----
315 struct mv_cesa_op_ctx *op; global() member
558 struct mv_cesa_op_ctx op; global() member
560 unsigned int size; global() member
594 u8 *cache; global() member
616 u8 cache[CESA_MAX_HASH_BLOCK_SIZE]; global() member
658 mv_cesa_update_op_cfg(struct mv_cesa_op_ctx * op,u32 cfg,u32 mask) mv_cesa_update_op_cfg() argument
665 mv_cesa_get_op_cfg(const struct mv_cesa_op_ctx * op) mv_cesa_get_op_cfg() argument
670 mv_cesa_set_op_cfg(struct mv_cesa_op_ctx * op,u32 cfg) mv_cesa_set_op_cfg() argument
676 mv_cesa_adjust_op(struct mv_cesa_engine * engine,struct mv_cesa_op_ctx * op) mv_cesa_adjust_op() argument
690 mv_cesa_set_crypt_op_len(struct mv_cesa_op_ctx * op,int len) mv_cesa_set_crypt_op_len() argument
695 mv_cesa_set_mac_op_total_len(struct mv_cesa_op_ctx * op,int len) mv_cesa_set_mac_op_total_len() argument
702 mv_cesa_set_mac_op_frag_len(struct mv_cesa_op_ctx * op,int len) mv_cesa_set_mac_op_frag_len() argument
724 mv_cesa_mac_op_is_first_frag(const struct mv_cesa_op_ctx * op) mv_cesa_mac_op_is_first_frag() argument
[all...]
H A Dhash.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
17 #include <linux/dma-mapping.h>
31 unsigned int len = req->nbytes + creq->cache_ptr; in mv_cesa_ahash_req_iter_init()
33 if (!creq->last_req) in mv_cesa_ahash_req_iter_init()
36 mv_cesa_req_dma_iter_init(&iter->base, len); in mv_cesa_ahash_req_iter_init()
37 mv_cesa_sg_dma_iter_init(&iter->src, req->src, DMA_TO_DEVICE); in mv_cesa_ahash_req_iter_init()
38 iter->src.op_offset = creq->cache_ptr; in mv_cesa_ahash_req_iter_init()
44 iter->src.op_offset = 0; in mv_cesa_ahash_req_iter_next_op()
46 return mv_cesa_req_dma_iter_next_op(&iter->base); in mv_cesa_ahash_req_iter_next_op()
[all …]
/openbmc/linux/include/trace/events/
H A Dbcache.h1 /* SPDX-License-Identifier: GPL-2.0 */
25 __entry->dev = bio_dev(bio);
26 __entry->orig_major = d->disk->major;
27 __entry->orig_minor = d->disk->first_minor;
28 __entry->sector = bio->bi_iter.bi_sector;
29 __entry->orig_sector = bio->bi_iter.bi_sector - 16;
30 __entry->nr_sector = bio->bi_iter.bi_size >> 9;
31 blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
35 MAJOR(__entry->dev), MINOR(__entry->dev),
36 __entry->rwbs, (unsigned long long)__entry->sector,
[all …]
/openbmc/linux/drivers/block/
H A Dps3disk.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/blk-mq.h>
55 u32 size; member
68 DIR_WRITE = 0, /* memory -> device */
69 DIR_READ = 1 /* device -> memory */
89 memcpy_from_bvec(dev->bounce_buf + offset, &bvec); in ps3disk_scatter_gather()
91 memcpy_to_bvec(&bvec, dev->bounce_buf + offset); in ps3disk_scatter_gather()
98 struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd); in ps3disk_submit_request_sg()
100 const char *op = write ? "write" : "read"; in ps3disk_submit_request_sg() local
102 unsigned int region_id = dev->regions[dev->region_idx].id; in ps3disk_submit_request_sg()
[all …]
H A Dps3vram.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ps3vram - Use extra PS3 video ram as block device.
8 * Copyright (c) 2007-2008 Jim Paris <jim@jtan.com>
19 #include <asm/cell-regs.h>
38 #define CACHE_PAGE_COUNT ((XDR_BUF_SIZE - FIFO_SIZE) / CACHE_PAGE_SIZE)
72 u64 size; member
83 struct ps3vram_cache cache; member
97 static char *size = "256M"; variable
98 module_param(size, charp, 0);
99 MODULE_PARM_DESC(size, "memory size");
[all …]
/openbmc/linux/drivers/net/ethernet/marvell/octeontx2/af/
H A Drvu_npa.c1 // SPDX-License-Identifier: GPL-2.0
15 static int npa_aq_enqueue_wait(struct rvu *rvu, struct rvu_block *block, in npa_aq_enqueue_wait() argument
18 struct admin_queue *aq = block->aq; in npa_aq_enqueue_wait()
23 result = (struct npa_aq_res_s *)aq->res->base; in npa_aq_enqueue_wait()
26 reg = rvu_read64(rvu, block->addr, NPA_AF_AQ_STATUS); in npa_aq_enqueue_wait()
29 memcpy((void *)(aq->inst->base + (head * aq->inst->entry_sz)), in npa_aq_enqueue_wait()
30 (void *)inst, aq->inst->entry_sz); in npa_aq_enqueue_wait()
36 rvu_write64(rvu, block->addr, NPA_AF_AQ_DOOR, 1); in npa_aq_enqueue_wait()
37 while (result->compcode == NPA_AQ_COMP_NOTDONE) { in npa_aq_enqueue_wait()
40 timeout--; in npa_aq_enqueue_wait()
[all …]
/openbmc/linux/drivers/md/bcache/
H A Dbtree.c1 // SPDX-License-Identifier: GPL-2.0
5 * Uses a block device as cache for other block devices; optimized for SSDs.
6 * All allocation is done in buckets, which should match the erase block size
10 * bucket priority is increased on cache hit, and periodically all the buckets
21 * All configuration is done via sysfs; see Documentation/admin-guide/bcache.rst.
45 * Writeback: don't undirty key until after a cache flush
49 * On btree write error, mark bucket such that it won't be freed from the cache
64 * Keep 1 min/5 min/15 min statistics of how busy a block device has been, so
76 * If data write is less than hard sector size of ssd, round up offset in open
79 * Superblock needs to be fleshed out for multiple cache devices
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/openbmc/linux/arch/mips/include/asm/
H A Dmips-cm.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
8 # error Please include asm/mips-cps.h rather than asm/mips-cm.h
18 /* The base address of the CM GCR block */
21 /* The base address of the CM L2-only sync region */
25 * __mips_cm_phys_base - retrieve the physical base address of the CM
28 * global control block, or 0 if no Coherence Manager is present. It provides
37 * mips_cm_is64 - determine CM register width
42 * or vice-versa. This variable indicates the width of the memory accesses
46 * It's set to 0 for 32-bit accesses and 1 for 64-bit accesses.
51 * mips_cm_is_l2_hci_broken - determine if HCI is broken
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/openbmc/linux/drivers/scsi/
H A Dpmcraid.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * pmcraid.h -- PMC Sierra MaxRAID controller driver header file
5 * Written By: Anil Ravindranath<anil_ravindranath@pmc-sierra.com>
6 * PMC-Sierra Inc
39 #define PMC_BIT8(n) (1 << (7-n))
40 #define PMC_BIT16(n) (1 << (15-n))
41 #define PMC_BIT32(n) (1 << (31-n))
58 /* MAX_IOADLS : max number of scatter-gather lists supported by IOA
66 /* HRRQ_ENTRY_SIZE : size of hrrq buffer
197 /* structure to represent a scatter-gather element (IOADL descriptor) */
[all …]
/openbmc/u-boot/drivers/virtio/
H A Dvirtio_blk.h1 /* SPDX-License-Identifier: BSD-3-Clause */
13 #define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size */
16 #define VIRTIO_BLK_F_RO 5 /* Disk is read-only */
17 #define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available */
36 /* The capacity (in 512-byte sectors) */
38 /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
49 /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
53 /* exponent for physical block per logical block */
57 /* minimum I/O size without performance penalty in logical blocks */
59 /* optimal sustained I/O size in logical blocks */
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/openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/
H A Dcmd.c2 * Copyright (c) 2013-2016, Mellanox Technologies. All rights reserved.
14 * - Redistributions of source code must retain the above
18 * - Redistributions in binary form must reproduce the above
36 #include <linux/dma-mapping.h>
100 static bool mlx5_cmd_is_throttle_opcode(u16 op) in mlx5_cmd_is_throttle_opcode() argument
102 switch (op) { in mlx5_cmd_is_throttle_opcode()
123 return ERR_PTR(-ENOMEM); in cmd_alloc_ent()
125 ent->idx = -EINVAL; in cmd_alloc_ent()
126 ent->in = in; in cmd_alloc_ent()
127 ent->out = out; in cmd_alloc_ent()
[all …]
/openbmc/qemu/pc-bios/
HDu-boot.e500 ... = 0x%02lx) L1: D-cache 32 KiB enabled I-cache 32 KiB enabled ...
/openbmc/linux/drivers/block/drbd/
H A Ddrbd_actlog.c1 // SPDX-License-Identifier: GPL-2.0-only
7 Copyright (C) 2003-2008, LINBIT Information Technologies GmbH.
8 Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>.
9 Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.
30 /* to identify the most recent transaction block
34 /* checksum on the full 4k block, with this field set to 0. */
38 * purge-all, set-all-idle, set-all-active, ... to-be-defined
48 /* maximum slot number, "al-extents" in drbd.conf speak.
57 * sectors-written since device creation, and other data generation tag
61 /* --- 36 byte used --- */
[all …]
/openbmc/u-boot/drivers/mtd/nand/spi/
H A Dcore.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2016-2017 Micron Technology, Inc.
10 #define pr_fmt(fmt) "spi-nand: " fmt
21 #include <linux/spi/spi-mem.h>
26 #include <spi-mem.h>
40 if (nand->memorg.planes_per_lun < 2) in spinand_cache_op_adjust_colum()
44 shift = fls(nand->memorg.pagesize); in spinand_cache_op_adjust_colum()
45 *column |= req->pos.plane << shift; in spinand_cache_op_adjust_colum()
50 struct spi_mem_op op = SPINAND_GET_FEATURE_OP(reg, in spinand_read_reg_op() local
51 spinand->scratchbuf); in spinand_read_reg_op()
[all …]
/openbmc/linux/block/
H A Dblk-zoned.c1 // SPDX-License-Identifier: GPL-2.0
3 * Zoned block device handling
16 #include <linux/blk-mq.h>
37 * blk_zone_cond_str - Return string XXX in BLK_ZONE_COND_XXX.
40 * Description: Centralize block layer function to convert BLK_ZONE_COND_XXX
60 if (!rq->q->disk->seq_zones_wlock) in blk_req_needs_zone_write_lock()
71 if (test_and_set_bit(zno, rq->q->disk->seq_zones_wlock)) in blk_req_zone_write_trylock()
74 WARN_ON_ONCE(rq->rq_flags & RQF_ZONE_WRITE_LOCKED); in blk_req_zone_write_trylock()
75 rq->rq_flags |= RQF_ZONE_WRITE_LOCKED; in blk_req_zone_write_trylock()
84 rq->q->disk->seq_zones_wlock))) in __blk_req_zone_write_lock()
[all …]
/openbmc/linux/fs/cachefiles/
H A Dinternal.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* General netfs cache on cache files internal defs
15 #include <linux/fscache-cache.h>
40 struct cachefiles_cache *cache; member
41 struct list_head cache_link; /* Link in cache->volumes */
67 struct cachefiles_volume *volume; /* Cache volume that holds this object */
68 struct list_head cache_link; /* Link in cache->*_list */
83 #define CACHEFILES_ONDEMAND_ID_CLOSED -1
86 * Cache files cache definition
89 struct fscache_cache *cache; /* Cache cookie */ member
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