| /linux/drivers/gpu/drm/renesas/rcar-du/ |
| H A D | rcar_du_group.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * R-Car Display Unit Channels Pair
5 * Copyright (C) 2013-2015 Renesas Electronics Corporation
11 * The R8A7779 DU is split in per-CRTC resources (scan-out engine, blending
12 * unit, timings generator, ...) and device-global resources (start/stop
19 * modeled as a single device with three CRTCs, two sets of "semi-global"
20 * resources, and a few device-global resources.
23 * counterpart in the DU documentation, that models those semi-global resources.
35 return rcar_du_read(rgrp->dev, rgrp->mmio_offset + reg); in rcar_du_group_read()
40 rcar_du_write(rgrp->dev, rgrp->mmio_offset + reg, data); in rcar_du_group_write()
[all …]
|
| /linux/net/netfilter/ |
| H A D | nft_set_pipapo.h | 1 // SPDX-License-Identifier: GPL-2.0-only
8 /* Count of concatenated fields depends on count of 32-bit nftables registers */
18 /* Bits to be grouped together in table buckets depending on set size */
25 #define NFT_PIPAPO_GROUPS_PER_BYTE(f) (BITS_PER_BYTE / (f)->bb)
28 * small group width, and switch to the big group width if the table gets
32 * crossing page boundaries on most architectures (x86-6
78 nft_pipapo_for_each_field(field,index,match) global() argument
194 int group; pipapo_and_field_buckets_4bit() local
222 int group; pipapo_and_field_buckets_8bit() local
[all...] |
| H A D | nft_set_pipapo.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2019-2020 Red Hat GmbH
15 * -------
17 * Match packet bytes against entries composed of ranged or non-ranged packet
22 * --- fields --->
33 * ------------------
36 * relies on the consideration that every contiguous range in a space of b bits
40 * Classification against a number of entries, that require matching given bits
41 * of a packet field, is performed by grouping those bits in sets of arbitrary
42 * size, and classifying packet bits one group at a time.
[all …]
|
| /linux/drivers/platform/mellanox/ |
| H A D | mlxreg-io.c | 1 // SPDX-License-Identifier: GPL-2.0+
12 #include <linux/hwmon-sysfs.h>
23 * struct mlxreg_io_priv_data - driver's private data:
30 * @group: sysfs attribute group;
31 * @groups: list of sysfs attribute group for hwmon registration;
41 struct attribute_group group; member
53 ret = regmap_read(regmap, data->reg, regval); in mlxreg_io_get_reg()
59 * bits, bit sequence, bits in few registers For the first kind field in mlxreg_io_get_reg()
60 * mask indicates which bits are not related and field bit is set zero. in mlxreg_io_get_reg()
62 * with all bits one. No special handling for such kind of attributes - in mlxreg_io_get_reg()
[all …]
|
| /linux/drivers/irqchip/ |
| H A D | irq-riscv-aplic-msi.c | 1 // SPDX-License-Identifier: GPL-2.0
12 #include <linux/irqchip/riscv-aplic.h>
13 #include <linux/irqchip/riscv-imsic.h>
21 #include "irq-riscv-aplic-main.h"
43 * The section "4.9.2 Special consideration for level-sensitive interrupt in aplic_msi_irq_retrigger_level()
44 * sources" of the RISC-V AIA specification says: in aplic_msi_irq_retrigger_level()
52 writel(d->hwirq, priv->regs + APLIC_SETIPNUM_LE); in aplic_msi_irq_retrigger_level()
60 * EOI handling is required only for level-triggered interrupts in aplic_msi_irq_eoi()
73 * Updating sourcecfg register for level-triggered interrupts in aplic_msi_irq_set_type()
84 struct aplic_msicfg *mc = &priv->msicfg; in aplic_msi_write_msg()
[all …]
|
| H A D | irq-riscv-imsic-state.c | 1 // SPDX-License-Identifier: GPL-2.0
7 #define pr_fmt(fmt) "riscv-imsic: " fmt
22 #include "irq-riscv-imsic-state.h"
63 return imsic ? &imsic->global : NULL; in imsic_get_global_config()
74 imask = BIT(id & (__riscv_xlen - 1)); in __imsic_eix_read_clear()
102 * are XLEN-wide and we must not touch IDs which in __imsic_eix_update()
106 for (i = id & (__riscv_xlen - 1); id < last_id && i < __riscv_xlen; i++) { in __imsic_eix_update()
134 lockdep_assert_held(&lpriv->lock); in __imsic_local_sync()
136 for_each_set_bit(i, lpriv->dirty_bitmap, imsic->global.nr_ids + 1) { in __imsic_local_sync()
139 vec = &lpriv->vectors[i]; in __imsic_local_sync()
[all …]
|
| /linux/mm/ |
| H A D | percpu.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * mm/percpu.c - percpu memory allocator
13 * a 1-to-1 mapping for units to possible cpus. These units are grouped
17 * ------------------- ------------------- ------------
19 * ------------------- ...... ------------------- .... ------------
23 * c1:u1, c1:u2, etc. On NUMA machines, the mapping may be non-linear
35 * linker. The reserved section, if non-zero, primarily manages static
40 * memcg-awareness. To make a percpu allocation memcg-aware the __GFP_ACCOUNT
41 * flag should be passed. All memcg-aware allocations are sharing one set
51 * the page's index. Lastly, units are lazily backed and grow in unison.
[all …]
|
| /linux/arch/mips/include/asm/octeon/ |
| H A D | cvmx-pow.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
31 * New, starting with SDK 1.7.0, cvmx-pow supports a number of
36 * enabled. For example, cvmx-pow will check for the following
38 * - Requesting a POW operation with an active tag switch in
40 * - Waiting for a tag switch to complete for an excessively
43 * - Illegal tag switches from NULL_NULL.
44 * - Illegal tag switches from NULL.
45 * - Illegal deschedule request.
[all …]
|
| /linux/tools/perf/ |
| H A D | design.txt | 3 ------------------------------
7 as instructions executed, cachemisses suffered, or branches mis-predicted -
9 trigger interrupts when a threshold number of events have passed - and can
15 provides "virtual" 64-bit counters, regardless of the width of the
41 * 7 bits are an event type and the rest of the bits are the event
53 exclusive : 1, /* only group on PMU */
72 is divided into 3 bit-fields:
75 type: 7 bits (next most significant) 0x7f00_0000_0000_0000
76 event_id: 56 bits (least significant) 0x00ff_ffff_ffff_ffff
79 specified by the remaining 63 bits of event_config. The encoding is
[all …]
|
| /linux/drivers/pinctrl/ti/ |
| H A D | pinctrl-ti-iodelay.c | 5 * Copyright (C) 2015-2017 Texas Instruments Incorporated - https://www.ti.com/
23 #include <linux/pinctrl/pinconf-generic.h>
30 #define DRIVER_NAME "ti-iodelay"
33 * struct ti_iodelay_reg_data - Describes the registers for the iodelay instance
34 * @signature_mask: CONFIG_REG mask for the signature bits (see TRM)
36 * @lock_mask: CONFIG_REG mask for the lock bits (see TRM)
37 * @lock_val: CONFIG_REG lock value for the lock bits (see TRM)
38 * @unlock_val:CONFIG_REG unlock value for the lock bits (see TRM)
89 * struct ti_iodelay_reg_values - Computed io_reg configuration values (see TRM)
112 * struct ti_iodelay_cfg - Description of each configuration parameters
[all …]
|
| /linux/drivers/pinctrl/meson/ |
| H A D | pinctrl-meson.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
20 * struct meson_pmx_group - a pinmux group
22 * @name: group name
23 * @pins: pins in the group
24 * @num_pins: number of pins in the group
25 * @is_gpio: whether the group is a single GPIO group
26 * @reg: register offset for the group in the domain mux registers
27 * @bit bit index enabling the group
28 * @domain: index of the domain this group belongs to
38 * struct meson_pmx_func - a pinmux function
[all …]
|
| /linux/fs/ocfs2/ |
| H A D | ocfs2_fs.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * On-disk structures for OCFS2.
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)
69 OCFS2_SB(sb)->s_feature_incompat |= (mask)
71 OCFS2_SB(sb)->s_feature_compat &= ~(mask)
73 OCFS2_SB(sb)->s_feature_ro_compat &= ~(mask)
[all …]
|
| /linux/tools/include/uapi/linux/ |
| H A D | vhost.h | |
| /linux/include/uapi/linux/ |
| H A D | vhost.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
4 /* Userspace interface for in-kernel virtio accelerators. */
18 #define VHOST_FILE_UNBIND -1
24 /* Features bitmask for forward compatibility. Transport bits are used for
76 /* Get accessor: reads index, writes value in num */
80 * or VHOST_VRING_BIG_ENDIAN (other values return -EINVAL).
82 * returns -EBUSY.
130 * used for transmit. Pass fd -1 to unbind from the socket and the transmit
152 * the device id defined in virtio-spec.
155 /* Get and set the status. The status bits follow the same definition
[all …]
|
| /linux/tools/perf/trace/beauty/include/uapi/linux/ |
| H A D | vhost.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
4 /* Userspace interface for in-kernel virtio accelerators. */
18 #define VHOST_FILE_UNBIND -1
24 /* Features bitmask for forward compatibility. Transport bits are used for
76 /* Get accessor: reads index, writes value in num */
80 * or VHOST_VRING_BIG_ENDIAN (other values return -EINVAL).
82 * returns -EBUSY.
130 * used for transmit. Pass fd -1 to unbind from the socket and the transmit
152 * the device id defined in virtio-spec.
155 /* Get and set the status. The status bits follow the same definition
[all …]
|
| /linux/include/linux/ |
| H A D | vdpa.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
15 * struct vdpa_callback - vDPA callback definition.
31 * struct vdpa_notification_area - vDPA notification area
41 * struct vdpa_vq_state_split - vDPA split virtqueue state
42 * @avail_index: available index
49 * struct vdpa_vq_state_packed - vDPA packed virtqueue state
51 * @last_avail_idx: device available index
53 * @last_used_idx: used index
94 unsigned int index; global() member
[all...] |
| /linux/Documentation/filesystems/ext4/ |
| H A D | inodes.rst | 1 .. SPDX-License-Identifier: GPL-2.0
3 Index Nodes
4 -----------
15 links and is in general more seek-happy than ext4 due to its simpler
21 block group containing an inode can be calculated as
22 ``(inode_number - 1) / sb.s_inodes_per_group``, and the offset into the
23 group's table is ``(inode_number - 1) % sb.s_inodes_per_group``. There
31 .. list-table::
33 :header-rows: 1
36 * - Offset
[all …]
|
| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | switch.rst | 2 dm-switch
5 The device-mapper switch target creates a device that supports an
6 arbitrary mapping of fixed-size regions of I/O across a fixed set of
11 number of fixed-sized address regions but there is no simple pattern
13 dm-stripe.
16 ----------
19 frameless architecture. In this architecture, the storage group
24 The storage group exposes a single target discovery portal, no matter
34 the storage group and initiators. In a multipathing configuration, it
42 A device-mapper table already lets you map different regions of a
[all …]
|
| /linux/fs/jfs/ |
| H A D | jfs_dmap.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) International Business Machines Corp., 2000-2002
12 #define LEAFIND (64+16+4+1) /* index of 1st leaf of a dmap tree */
24 #define ROOT 0 /* index of the root of a tree */
25 #define NOFREE ((s8) -1) /* no blocks free */
66 * - the number of dmaps preceding it
67 * - the number of L0 pages preceding its L0 page
68 * - the number of L1 pages preceding its L1 page
69 * - 3 is added to account for the L2, L1, and L0 page for this dmap
70 * - 1 is added to account for the control page of the map.
[all …]
|
| /linux/include/linux/irqchip/ |
| H A D | riscv-imsic.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
50 * XLEN-1 12 0
52 * -------------------------------------------------------------
53 * |xxxxxx|Group Index|xxxxxxxxxxx|HART Index|Guest Index| 0 |
54 * -------------------------------------------------------------
57 /* Bits representing Guest index, HART index, and Group index */
72 /* Per-CPU IMSIC addresses */
|
| /linux/drivers/edac/ |
| H A D | versal_edac.c | 1 // SPDX-License-Identifier: GPL-2.0
15 #include <linux/firmware/xlnx-zynqmp.h>
16 #include <linux/firmware/xlnx-event-manager.h>
133 * https://docs.xilinx.com/r/en-US/am012-versal-register-reference/PCSR_LOCK-XRAM_SLCR-Register
149 * struct ecc_error_info - ECC error log information.
153 * @group: Group number.
157 * @rowhi: Row number higher bits.
165 u32 group:2; member
195 * struct ecc_status - ECC status information to report.
209 * struct edac_priv - DDR memory controller private instance data.
[all …]
|
| /linux/drivers/block/mtip32xx/ |
| H A D | mtip32xx.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * mtip32xx.h - Header file for the P320 SSD Block Driver
53 * Macro to extract the tag index from a tag value. The index
67 * NOTE: This is the driver maximum; check dd->slot_groups for actual value.
95 * Per-tag bitfield size in longs.
104 (U32_PER_LONG-1))/U32_PER_LONG)
177 #define DEFINE_HANDLER(group) \ argument
178 void mtip_workq_sdbf##group(struct work_struct *work) \
181 mtip_workq_sdbfx(w->port, group, w->completed); \
188 * - 27h Register FIS, host to device.
[all …]
|
| /linux/drivers/net/phy/ |
| H A D | dp83td510.c | 1 // SPDX-License-Identifier: GPL-2.0
16 /* Bit 7 - mii_interrupt, active high. Clears on read.
40 * 32-bit or 16-bit counters for TX and RX statistics and must be read in
43 * - DP83TD510E_PKT_STAT_1: Contains TX packet count bits [15:0].
44 * - DP83TD510E_PKT_STAT_2: Contains TX packet count bits [31:16].
45 * - DP83TD510E_PKT_STAT_3: Contains TX error packet count.
46 * - DP83TD510E_PKT_STAT_4: Contains RX packet count bits [15:0].
47 * - DP83TD510E_PKT_STAT_5: Contains RX packet count bits [31:16].
48 * - DP83TD510E_PKT_STAT_6: Contains RX error packet count.
68 * "Application Report - DP83TD510E Cable Diagnostics Toolkit":
[all …]
|
| /linux/drivers/scsi/isci/ |
| H A D | remote_node_table.c | 7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
65 * @remote_node_table: This is the remote node index table from which the
67 * @group_table_index: This is the index to the group table from which to
71 * + bit position. If there are available bits in the first u32 then it is
73 * group.
83 group_table = remote_node_table->remote_node_groups[group_table_index]; in sci_remote_node_table_get_group_index()
85 for (dword_index = 0; dword_index < remote_node_table->group_array_size; dword_index++) { in sci_remote_node_table_get_group_index()
104 * @group_index: This is the bit index in the table to be modified.
[all …]
|
| /linux/fs/ubifs/ |
| H A D | ubifs-media.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2006-2008 Nokia Corporation.
12 * This file describes UBIFS on-flash format and contains definitions of all the
15 * All UBIFS on-flash objects are stored in the form of nodes. All nodes start
17 * always sit at 8-byte aligned positions on the media and node header sizes are
18 * also 8-byte aligned (except for the indexing node and the padding node).
28 * UBIFS on-flash format version. This version is increased when the on-flash
40 * Read-only compatibility version. If the UBIFS format is changed, older UBIFS
41 * implementations will not be able to mount newer formats in read-write mode.
44 * stored in the super-block.
[all …]
|