| /linux/Documentation/arch/powerpc/ |
| H A D | bootwrapper.rst | 7 PowerPC image targets compresses and wraps the kernel image (vmlinux) with
10 be adaptable for each kind of image that needs to be built.
13 Makefile in that directory has targets for all the available image types.
14 The different image types are used to support all of the various firmware
17 others. U-Boot is typically found on embedded PowerPC hardware, but there
19 firmware interface requires a different image format.
23 image. The details of the build system is discussed in the next section.
24 Currently, the following image format targets exist:
28 U-Boot (for versions that don't understand the device
29 tree). This image embeds a device tree blob inside
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| H A D | cxl.rst | 28 +----------+ +---------+
34 +----------+ +---------+
36 | +------+ | PSL |
37 | | CAPP |<------>| |
38 +---+------+ PCIE +---------+
47 (AFU). The AFU is used to implement specific functionality behind
65 - POWER8 and PSL Version 8 are compliant to the CAIA Version 1.0.
66 - POWER9 and PSL Version 9 are compliant to the CAIA Version 2.0.
91 applications may use the accelerator (although specific AFUs may
123 The WED is a 64-bit parameter passed to the AFU when a context is
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| /linux/include/uapi/linux/ |
| H A D | pfrut.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
16 * PFRU_IOC_SET_REV - _IOW(PFRUT_IOCTL_MAGIC, 0x01, unsigned int)
19 * * 0 - success
20 * * -EFAULT - fail to read the revision id
21 * * -EINVAL - user provides an invalid revision id
28 * PFRU_IOC_STAGE - _IOW(PFRUT_IOCTL_MAGIC, 0x02, unsigned int)
31 * * 0 - success
32 * * -EINVAL - stage phase returns invalid result
34 * Stage a capsule image from communication buffer and perform authentication.
39 * PFRU_IOC_ACTIVATE - _IOW(PFRUT_IOCTL_MAGIC, 0x03, unsigned int)
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| /linux/Documentation/arch/arm/google/ |
| H A D | chromebook-boot-flow.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 Image`_ which contains an OS image as well as a collection of device trees. It
10 is up to depthcharge_ to pick the right device tree from the `FIT Image`_ and
16 - Board name, specified at depthcharge_ compile time. This is $(BOARD) below.
17 - Board revision number, determined at runtime (perhaps by reading GPIO
19 - SKU number, read from GPIO strappings at boot time. This is $(SKU) below.
23 - google,$(BOARD)-rev$(REV)-sku$(SKU)
24 - google,$(BOARD)-rev$(REV)
25 - google,$(BOARD)-sku$(SKU)
26 - google,$(BOARD)
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | pixfmt-v4l2.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 Single-planar format structure
13 .. flat-table:: struct v4l2_pix_format
14 :header-rows: 0
15 :stub-columns: 0
18 * - __u32
19 - ``width``
20 - Image width in pixels.
21 * - __u32
22 - ``height``
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| /linux/tools/testing/selftests/kexec/ |
| H A D | test_kexec_file_load.sh | 2 # SPDX-License-Identifier: GPL-2.0
4 # Loading a kernel image via the kexec_file_load syscall can verify either
8 # To determine whether the kernel image is signed, this test depends
11 # enabled or access to the extract-ikconfig script.
16 trap "{ rm -f $IKCONFIG ; }" EXIT
18 # Some of the IMA builtin policies may require the kexec kernel image to
29 "IMA kernel image signature required"
30 if [ $? -eq 1 ]; then
35 # The architecture specific or a custom policy may require the
36 # kexec kernel image be signed. Policy rules are walked
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| /linux/Documentation/admin-guide/media/ |
| H A D | ipu3.rst | 1 .. SPDX-License-Identifier: GPL-2.0
6 Intel Image Processing Unit 3 (IPU3) Imaging Unit (ImgU) driver
14 This file documents the Intel IPU3 (3rd generation Image Processing Unit)
23 frames in a format that is specific to the IPU3 (for consumption by the IPU3
24 ImgU). The CIO2 driver is available as drivers/media/pci/intel/ipu3/ipu3-cio2*
36 Both of the drivers implement V4L2, Media Controller and V4L2 sub-device
38 MIPI CSI-2 interfaces through V4L2 sub-device sensor drivers.
44 interface to the user space. There is a video node for each CSI-2 receiver,
47 The CIO2 contains four independent capture channel, each with its own MIPI CSI-2
48 receiver and DMA engine. Each channel is modelled as a V4L2 sub-device exposed
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| /linux/Documentation/devicetree/bindings/fpga/ |
| H A D | fpga-region.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/fpga/fpga-region.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michal Simek <michal.simek@amd.com>
14 - Introduction
15 - Terminology
16 - Sequence
17 - FPGA Region
18 - Supported Use Models
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| /linux/arch/riscv/kernel/ |
| H A D | machine_kexec.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2019 FORTH-ICS/CARV
22 * machine_kexec_prepare - Initialize kexec
25 * provided us with an image to be loaded. Its goal is to validate
26 * the image and prepare the control code buffer as needed.
31 machine_kexec_prepare(struct kimage *image) in machine_kexec_prepare() argument
33 struct kimage_arch *internal = &image->arch; in machine_kexec_prepare()
40 for (i = 0; i < image->nr_segments; i++) { in machine_kexec_prepare()
41 if (image->segment[i].memsz <= sizeof(fdt)) in machine_kexec_prepare()
44 if (image->file_mode) in machine_kexec_prepare()
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| /linux/drivers/thunderbolt/ |
| H A D | nvm.c | 1 // SPDX-License-Identifier: GPL-2.0
19 /* Intel specific NVM offsets */
25 /* ASMedia specific NVM offsets */
32 * struct tb_nvm_vendor_ops - Vendor specific NVM operations
34 * @validate: Validates the NVM image before update (optional)
35 * @write_headers: Writes headers before the rest of the image (optional)
44 * struct tb_nvm_vendor - Vendor to &struct tb_nvm_vendor_ops mapping
46 * @vops: Vendor specific NVM operations
58 struct tb_switch *sw = tb_to_switch(nvm->dev); in intel_switch_nvm_version()
63 * If the switch is in safe-mode the only accessible portion of in intel_switch_nvm_version()
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| /linux/Documentation/arch/arm/ |
| H A D | arm.rst | 9 ---------------------
21 If you wish to cross-compile, then alter the following lines in the top
36 CROSS_COMPILE=<your-path-to-your-compiler-without-gcc>
40 CROSS_COMPILE=arm-linux-
42 Do a 'make config', followed by 'make Image' to build the kernel
43 (arch/arm/boot/Image). A compressed image can be built by doing a
44 'make zImage' instead of 'make Image'.
48 ---------------
54 Bug reports should be sent to linux-arm-kernel@lists.arm.linux.org.uk,
64 -------------
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| /linux/Documentation/networking/devlink/ |
| H A D | iosm.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 The ``iosm`` driver implements the following driver-specific parameters.
15 .. list-table:: Driver-specific parameters implemented
18 * - Name
19 - Type
20 - Mode
21 - Description
22 * - ``erase_full_flash``
23 - u8
24 - runtime
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| /linux/Documentation/power/ |
| H A D | pci.rst | 11 This document only covers the aspects of power management specific to PCI
13 power management refer to Documentation/driver-api/pm/devices.rst and
27 1.1. Native and Platform-Based Power Management
28 -----------------------------------------------
31 devices into states in which they draw less power (low-power states) at the
34 Usually, a device is put into a low-power state when it is underutilized or
36 again, it has to be put back into the "fully functional" state (full-power
41 PCI devices may be put into low-power states in two ways, by using the device
46 specific value into one of its standard configuration registers. The second
53 to put the device that sent it into the full-power state. However, the PCI Bus
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| /linux/Documentation/driver-api/pm/ |
| H A D | devices.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 :Copyright: |copy| 2010-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
18 management (PM) code is also driver-specific. Most drivers will do very
22 This writeup gives an overview of how drivers interact with system-wide
25 background for the domain-specific work you'd do with any specific driver.
31 Drivers will use one or both of these models to put devices into low-power
36 Drivers can enter low-power states as part of entering system-wide
37 low-power states like "suspend" (also known as "suspend-to-RAM"), or
39 "suspend-to-disk").
42 by implementing various role-specific suspend and resume methods to
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| /linux/arch/arm/include/uapi/asm/ |
| H A D | setup.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
5 * Copyright (C) 1997-1999 Russell King
34 __u32 flags; /* bit 0 = read-only */
68 __u32 start; /* starting block of floppy-based RAM disk image */
71 /* describes where the compressed ramdisk image lives (virtual address) */
73 * this one accidentally used virtual addresses - as such,
78 /* describes where the compressed ramdisk image lives (physical address) */
83 __u32 size; /* size of compressed ramdisk image in bytes */
101 /* initial values for vesafb-type framebuffers. see struct screen_info
130 /* acorn RiscPC specific information */
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| /linux/drivers/staging/sm750fb/ |
| H A D | sm750.c | 1 // SPDX-License-Identifier: GPL-2.0
37 static const char *g_def_fbmode = "1024x768-32@60";
43 /* 1024x600-60 VESA [1.71:1] */
48 /* 1024x600-70 VESA */
53 /* 1024x600-75 VESA */
58 /* 1024x600-85 VESA */
111 par = info->par; in lynxfb_ops_cursor()
112 crtc = &par->crtc; in lynxfb_ops_cursor()
113 cursor = &crtc->cursor; in lynxfb_ops_cursor()
115 if (fbcursor->image.width > cursor->max_w || in lynxfb_ops_cursor()
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| /linux/Documentation/userspace-api/ |
| H A D | dma-buf-alloc-exchange.rst | 1 .. SPDX-License-Identifier: GPL-2.0
2 .. Copyright 2021-2023 Collabora Ltd.
9 support for sharing pixel-buffer allocations between processes, devices, and
12 approach this sharing for two-dimensional image data.
24 image:
25 Conceptually a two-dimensional array of pixels. The pixels may be stored
30 A span along a single y-axis value, e.g. from co-ordinates (0,100) to
37 A span along a single x-axis value, e.g. from co-ordinates (100,0) to
46 A two-dimensional array of some or all of an image's color and alpha
56 of a pixel or an image. The data for one pixel may be spread over several
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| /linux/arch/x86/power/ |
| H A D | hibernate.c | 1 // SPDX-License-Identifier: GPL-2.0
29 * Address to jump to in the last phase of restore in order to get to the image
30 * kernel's text (this value is passed in the image header).
37 * in the image header).
44 * pfn_is_nosave - check if given pfn is in the 'nosave' section
66 * compute_e820_crc32 - calculate crc32 of a given e820 table
75 sizeof(struct e820_entry) * table->nr_entries; in compute_e820_crc32()
87 * arch_hibernation_header_save - populate the architecture specific part
88 * of a hibernation image header
96 return -EOVERFLOW; in arch_hibernation_header_save()
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| /linux/Documentation/doc-guide/ |
| H A D | sphinx.rst | 12 .. _Sphinx: http://www.sphinx-doc.org/
16 documentation comments, or kernel-doc comments, from source files. Usually these
18 kernel-doc comments have some special structure and formatting, but beyond that
34 :ref:`sphinx-pre-install` for further details.
42 Sphinx inside a virtual environment, using ``virtualenv-3``
56 (sphinx_latest) $ pip install -r Documentation/sphinx/requirements.txt
63 Image output
64 ------------
75 --------------------
86 ------------------------
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| /linux/arch/powerpc/kexec/ |
| H A D | core_32.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2002-2003 Eric Biederman <ebiederm@xmission.com>
24 * non-OpenFirmware embedded platforms.
25 * It merely copies the image relocation code to the control page and
27 * A platform specific function may just call this one.
29 void default_machine_kexec(struct kimage *image) in default_machine_kexec() argument
43 page_list = image->head; in default_machine_kexec()
47 (unsigned long)page_address(image->control_code_page); in default_machine_kexec()
59 relocate_new_kernel(page_list, reboot_code_buffer_phys, image->start); in default_machine_kexec()
63 (*rnk)(page_list, reboot_code_buffer_phys, image->start); in default_machine_kexec()
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| /linux/Documentation/admin-guide/ |
| H A D | efi-stub.rst | 6 as a PE/COFF image, thereby convincing EFI firmware loaders to load
8 along with the EFI-specific entry point that the firmware loader
10 arch/x86/boot/header.S and drivers/firmware/efi/libstub/x86-stub.c,
12 arch/arm/boot/compressed/efi-header.S and
13 drivers/firmware/efi/libstub/arm32-stub.c. EFI stub code that is shared
16 For arm64, there is no compressed kernel support, so the Image itself
17 masquerades as a PE/COFF image and the EFI stub is linked into the
19 and drivers/firmware/efi/libstub/arm64-stub.c.
30 --------------------------
38 may not need to be renamed. Similarly for arm64, arch/arm64/boot/Image
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| /linux/Documentation/arch/arm64/ |
| H A D | booting.rst | 13 (EL0 - EL3), with EL0, EL1 and EL2 having a secure and a non-secure
28 3. Decompress the kernel image
29 4. Call the kernel image
33 ---------------------------
46 -------------------------
50 The device tree blob (dtb) must be placed on an 8-byte boundary and must
53 any 2M region which must be mapped with any specific attributes.
56 the 512 MB region starting at text_offset bytes below the kernel Image.
58 3. Decompress the kernel image
59 ------------------------------
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| /linux/Documentation/devicetree/bindings/media/ |
| H A D | st,stm32-dma2d.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/st,stm32-dma2d.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectronics STM32 Chrom-Art Accelerator DMA2D
10 Chrom-ART Accelerator(DMA2D), graphical hardware accelerator
15 - Filling a part or the whole of a destination image with a specific color.
16 - Copying a part or the whole of a source image into a part or the whole of
17 a destination image.
18 - Copying a part or the whole of a source image into a part or the whole of
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| /linux/drivers/gpu/drm/exynos/ |
| H A D | exynos_drm_drv.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
8 * Seung-Woo Kim <sw0312.kim@samsung.com>
52 * @src: rectangle of the source image data to be displayed (clipped to
54 * @crtc: rectangle of the target image position on hardware screen
60 * specific overlay info.
84 * to hardware specific overla
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| /linux/arch/s390/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
315 depends on $(cc-option,-march=z10)
323 depends on $(cc-option,-march=z196)
332 depends on $(cc-option,-march=zEC12)
341 depends on $(cc-option,-march=z13)
350 depends on $(cc-option,-march=z14)
359 depends on $(cc-option,-march=z15)
368 depends on $(cc-option,-march=z16)
400 Cause the compiler to tune (-mtune) the generated code for a machine.
418 depends on $(cc-option,-mtune=z196)
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