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/Linux-v5.15/Documentation/devicetree/bindings/mailbox/
Dti,secure-proxy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/ti,secure-proxy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments' Secure Proxy
10 - Nishanth Menon <nm@ti.com>
13 The Texas Instruments' secure proxy is a mailbox controller that has
15 Message manager is broken up into different address regions that are
16 called "threads" or "proxies" - each instance is unidirectional and is
22 pattern: "^mailbox@[0-9a-f]+$"
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/Linux-v5.15/Documentation/devicetree/bindings/mtd/
Dnand-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mtd/nand-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Richard Weinberger <richard@nod.at>
24 The interpretation of these parameters is implementation-defined, so
31 pattern: "^nand-controller(@.*)?"
33 "#address-cells":
36 "#size-cells":
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/Linux-v5.15/drivers/firmware/efi/libstub/
Defi-stub.c1 // SPDX-License-Identifier: GPL-2.0-only
25 * The value chosen is the largest non-zero power of 2 suitable for this purpose
26 * both on 32-bit and 64-bit ARM CPUs, to maximize the likelihood that it can
28 * Since 32-bit ARM could potentially execute with a 1G/3G user/kernel split,
30 * entire footprint of the UEFI runtime services memory regions)
32 * For RISC-V:
34 * EFI runtime virtual address for RISC-V. It also helps to use EFI runtime
35 * services on both RV32/RV64. Keep the same runtime virtual address for RISC-V
89 rsv->next = 0; in install_memreserve_table()
90 rsv->size = 0; in install_memreserve_table()
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/Linux-v5.15/Documentation/devicetree/bindings/sram/
Dsram.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic on-chip SRAM
10 - Rob Herring <robh@kernel.org>
13 Simple IO memory regions to be managed by the genalloc API.
19 Following the generic-names recommended practice, node names should
30 - mmio-sram
31 - amlogic,meson-gxbb-sram
32 - arm,juno-sram-ns
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/Linux-v5.15/drivers/soc/qcom/
Docmem.c1 // SPDX-License-Identifier: GPL-2.0-only
60 struct ocmem_region *regions; member
106 writel(data, ocmem->mmio + reg); in ocmem_write()
111 return readl(ocmem->mmio + reg); in ocmem_read()
120 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
121 struct ocmem_region *region = &ocmem->regions[i]; in update_ocmem()
123 if (region->mode == THIN_MODE) in update_ocmem()
127 dev_dbg(ocmem->dev, "ocmem_region_mode_control %x\n", in update_ocmem()
132 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
133 struct ocmem_region *region = &ocmem->regions[i]; in update_ocmem()
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/Linux-v5.15/Documentation/admin-guide/
Dthunderbolt.rst1 .. SPDX-License-Identifier: GPL-2.0
25 -----------------------------------
27 should be a userspace tool that handles all the low-level details, keeps
31 found in ``Documentation/ABI/testing/sysfs-bus-thunderbolt``.
35 ``/etc/udev/rules.d/99-local.rules``::
66 secure
68 addition to UUID the device (if it supports secure connect) is sent
92 If the security level reads as ``user`` or ``secure`` the connected
101 Authorizing devices when security level is ``user`` or ``secure``
102 -----------------------------------------------------------------
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Dperf-security.rst7 --------
50 -------------------------------
66 independently enabled and disabled on per-thread basis for processes and
74 observability operations in the kernel and provides a secure approach to
79 processes but CAP_SYS_ADMIN usage for secure monitoring and observability
84 is recommended as the preferred secure approach to resolve double access
103 ---------------------------------
105 Mechanisms of capabilities, privileged capability-dumb files [6]_,
118 # ls -alhF
119 -rwxr-xr-x 2 root root 11M Oct 19 15:12 perf
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/Linux-v5.15/Documentation/arm64/
Dbooting.rst13 (EL0 - EL3), with EL0 and EL1 having a secure and a non-secure
14 counterpart. EL2 is the hypervisor level and exists only in non-secure
15 mode. EL3 is the highest priority level and exists only in secure mode.
19 is passed to the Linux kernel. This may include secure monitor and
33 ---------------------------
46 -------------------------
50 The device tree blob (dtb) must be placed on an 8-byte boundary and must
59 ------------------------------
71 ------------------------
75 The decompressed kernel image contains a 64-byte header as follows::
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/Linux-v5.15/drivers/irqchip/
Dirq-gic-v3.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013-2017 ARM Limited, All Rights Reserved.
23 #include <linux/irqchip/arm-gic-common.h>
24 #include <linux/irqchip/arm-gic-v3.h>
25 #include <linux/irqchip/irq-partition-percpu.h>
32 #include "irq-gic-common.h"
70 * SCR_EL3.FIQ, and the behaviour of non-secure priority registers of the
74 * When security is enabled, non-secure priority values from the (re)distributor
78 * If SCR_EL3.FIQ == 1, the values written to/read from PMR and RPR at non-secure
84 * - section 4.8.1 Non-secure accesses to register fields for Secure interrupt
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/Linux-v5.15/arch/x86/platform/efi/
Dquirks.c1 // SPDX-License-Identifier: GPL-2.0-only
45 * yyyy=4 digit year, mm=1-12, dd=1-31.
54 * @rsvd_next_header: 32-bit pointer to the next Secure Boot Module in the
60 …rom https://downloadcenter.intel.com/download/23197/Intel-Quark-SoC-X1000-Board-Support-Package-BSP
138 if (remaining_size - size < EFI_MIN_RESERVE) in query_variable_store_nonblocking()
173 if ((remaining_size - size < EFI_MIN_RESERVE) && in efi_query_variable_store()
217 if (remaining_size - size < EFI_MIN_RESERVE) in efi_query_variable_store()
235 * However, some boot services regions contain data that is required
237 * freed. This is done by tagging those regions with the
242 * into efi.memmap (splitting existing regions if necessary) and tag
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/Linux-v5.15/drivers/xen/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
32 2) control domain: xl mem-max <target-domain> <maxmem>
35 3) control domain: xl mem-set <target-domain> <memory>
51 …SUBSYSTEM=="memory", ACTION=="add", RUN+="/bin/sh -c '[ -f /sys$devpath/state ] && echo online > /…
76 secure, but slightly less efficient. This can be controlled with
145 bool "Add support for dma-buf grant access device driver extension"
150 dma-buf implementation. With this extension grant references to
151 the pages of an imported dma-buf can be exported for other domain
153 converted into a local dma-buf for local export.
156 tristate "User-space grant reference allocator driver"
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/Linux-v5.15/drivers/mailbox/
Dti-msgmgr.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2015-2017 Texas Instruments Incorporated - https://www.ti.com/
21 #include <linux/soc/ti/ti-msgmgr.h>
40 * struct ti_msgmgr_valid_queue_desc - SoC valid queues meant for this processor
52 * struct ti_msgmgr_desc - Description of message manager integration
67 * @is_sproxy: Is this an Secure Proxy instance?
91 * struct ti_queue_inst - Description of a queue instance
119 * struct ti_msgmgr_inst - Description of a Message Manager Instance
123 * @queue_state_debug_region: Queue status register regions
124 * @queue_ctrl_region: Queue Control register regions
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/Linux-v5.15/Documentation/userspace-api/
Dvduse.rst2 VDUSE - "vDPA Device in Userspace"
9 possible to implement software-emulated vDPA devices in userspace. And
10 to make the device emulation more secure, the emulated vDPA device's
21 ----------------------------
49 .. code-block:: c
59 return -ENOMEM;
92 return -1;
96 ---------------
104 add per-virtqueue configuration such as the max size of virtqueue to the device.
111 .. code-block:: c
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/Linux-v5.15/arch/arm64/boot/dts/sprd/
Dsc9863a.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <dt-bindings/clock/sprd,sc9863a-clk.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
14 #address-cells = <2>;
15 #size-cells = <0>;
17 cpu-map {
48 compatible = "arm,cortex-a55";
50 enable-method = "psci";
51 cpu-idle-states = <&CORE_PD>;
56 compatible = "arm,cortex-a55";
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/Linux-v5.15/arch/arm/boot/dts/
Dqcom-sdx55-telit-fn980-tlb.dts1 // SPDX-License-Identifier: BSD-3-Clause
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
10 #include "qcom-sdx55.dtsi"
11 #include "qcom-pmx55.dtsi"
15 compatible = "qcom,sdx55-telit-fn980-tlb", "qcom,sdx55";
16 qcom,board-id = <0xb010008 0x0>;
23 stdout-path = "serial0:921600n8";
26 reserved-memory {
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Dqcom-sdx55-t55.dts1 // SPDX-License-Identifier: BSD-3-Clause
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
10 #include "qcom-sdx55.dtsi"
11 #include "qcom-pmx55.dtsi"
15 compatible = "qcom,sdx55-t55", "qcom,sdx55";
16 qcom,board-id = <0xb010008 0x4>;
23 stdout-path = "serial0:115200n8";
26 reserved-memory {
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/Linux-v5.15/Documentation/driver-api/
Dvfio.rst2 VFIO - "Virtual Function I/O" [1]_
7 allotted. This includes x86 hardware with AMD-Vi and Intel VT-d,
11 a secure, IOMMU protected environment. In other words, this allows
12 safe [2]_, non-privileged, userspace drivers.
19 bare-metal device drivers [3]_.
22 field, also benefit from low-overhead, direct device access from
23 userspace. Examples include network adapters (often non-TCP/IP based)
33 secure, more featureful userspace driver environment than UIO.
36 ---------------------------
41 by far the most critical aspect for maintaining a secure environment
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/Linux-v5.15/Documentation/devicetree/bindings/crypto/
Dfsl-sec4.txt3 Copyright (C) 2008-2011 Freescale Semiconductor Inc.
6 -Overview
7 -SEC 4 Node
8 -Job Ring Node
9 -Run Time Integrity Check (RTIC) Node
10 -Run Time Integrity Check (RTIC) Memory Node
11 -Secure Non-Volatile Storage (SNVS) Node
12 -Secure Non-Volatile Storage (SNVS) Low Power (LP) RTC Node
13 -Full Example
29 HW interface between QM & SEC 4 and also BM & SEC 4, on DPAA-enabled parts
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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-bus-coresight-devices-etm4x76 Description: (Read) Indicates the number of single-shot comparator controls that
135 Description: (RW) Controls which regions in the memory map are enabled to
148 Description: (RW) In Secure state, each bit controls whether instruction
155 Description: (RW) In non-secure state, each bit controls whether instruction
289 Description: (RW) Set the Exception Level matching bits for secure and
290 non-secure exception levels.
486 Description: (Read) Returns the number of P0 right-hand keys that the trace unit
493 Description: (Read) Returns the number of P1 right-hand keys that the trace unit
500 Description: (Read) Returns the number of special P1 right-hand keys that the
508 Description: (Read) Returns the number of conditional P1 right-hand keys that
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Dsysfs-driver-ufs3 Contact: linux-scsi@vger.kernel.org
5 This file contains the auto-hibernate idle timer setting of a
6 UFS host controller. A value of '0' means auto-hibernate is not
11 10-bit values with a power-of-ten multiplier which allows a
114 Description: This file shows the secure removal type. This is one of
237 Description: This file shows number of secure write protect areas
248 written during the pre-soldering phase of the PSA flow.
279 Description: This file shows the MIPI M-PHY version number in BCD format.
359 Description: This file shows the maximum data-in buffer size. This
369 Description: This file shows the maximum data-out buffer size. This
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/Linux-v5.15/arch/x86/kernel/
Dsetup.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * This file contains the setup_arch() code, which handles the architecture-dependent
11 #include <linux/dma-map-ops.h>
23 #include <linux/usb/xhci-dbgp.h>
46 #include <asm/pci-direct.h>
58 * The direct mapping only covers E820_TYPE_RAM regions, so the ranges and gaps are
80 * These are the four main kernel memory regions, we put them into
177 * copy_edd() - Copy the BIOS EDD information
197 size_t mask = align - 1; in extend_brk()
224 _brk_end - _brk_start); in reserve_brk()
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/Linux-v5.15/include/linux/mtd/
Drawnand.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
73 #define NAND_CMD_NONE -1
82 #define NAND_DATA_IFACE_CHECK_ONLY -1
96 * ecc.correct() returns -EBADMSG.
122 * Chip requires ready check on read (for auto-incremented sequential read).
140 #define NAND_HAS_SUBPAGE_READ(chip) ((chip->options & NAND_SUBPAGE_READ))
172 * In case your controller is implementing ->legacy.cmd_ctrl() and is relying
173 * on the default ->cmdfunc() implementation, you may want to let the core
223 * struct nand_parameters - NAND generic parameters from the parameter page
[all …]
/Linux-v5.15/drivers/mtd/nand/raw/
Dnand_base.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * http://www.linux-mtd.infradead.org/doc/nand.html
11 * 2002-2006 Thomas Gleixner (tglx@linutronix.de)
21 * Check, if mtd->ecctype should be set to MTD_ECC_HW
38 #include <linux/mtd/nand-ecc-sw-hamming.h>
39 #include <linux/mtd/nand-ecc-sw-bch.h>
53 int lastpage = (mtd->erasesize / mtd->writesize) - 1; in nand_pairing_dist3_get_info()
60 info->group = 0; in nand_pairing_dist3_get_info()
61 info->pair = (page + 1) / 2; in nand_pairing_dist3_get_info()
63 info->group = 1; in nand_pairing_dist3_get_info()
[all …]
/Linux-v5.15/fs/xfs/libxfs/
Dxfs_da_format.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
11 * This structure is common to both leaf nodes and non-leaf nodes in the Btree.
16 #define XFS_DA_NODE_MAGIC 0xfebe /* magic number: non-leaf blocks */
36 #define XFS_DA3_NODE_MAGIC 0x3ebe /* magic number: non-leaf blocks */
100 * - shortform - embedded into the inode
101 * - single block - data with embedded leaf at the end
102 * - multiple data blocks, single leaf+freeindex block
103 * - data blocks, node and leaf blocks (btree), freeindex blocks
121 * Also, the xfs_dir3_*() functions handle both v2 and v3 formats - if the
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/Linux-v5.15/tools/testing/nvdimm/test/
Dnfit.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
7 #include <linux/dma-mapping.h>
19 #include <nd-core.h>
31 * BUS0: Interleaved PMEM regions, and aliasing with BLK regions
33 * (a) (b) DIMM BLK-REGION
34 * +----------+--------------+----------+---------+
35 * +------+ | blk2.0 | pm0.0 | blk2.1 | pm1.0 | 0 region2
36 * | imc0 +--+- - - - - region0 - - - -+----------+ +
37 * +--+---+ | blk3.0 | pm0.0 | blk3.1 | pm1.0 | 1 region3
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