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feat(linux): Add the documentation for UMS command #409

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1 change: 1 addition & 0 deletions configs/AM62AX/AM62AX_linux_toc.txt
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Expand Up @@ -31,6 +31,7 @@ linux/Foundational_Components/U-Boot/UG-General-Info
linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-UART
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1 change: 1 addition & 0 deletions configs/AM62LX/AM62LX_linux_toc.txt
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Expand Up @@ -27,6 +27,7 @@ linux/Foundational_Components/U-Boot/Users-Guide
linux/Foundational_Components/U-Boot/UG-General-Info
linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-UART
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1 change: 1 addition & 0 deletions configs/AM62PX/AM62PX_linux_toc.txt
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Expand Up @@ -30,6 +30,7 @@ linux/Foundational_Components/U-Boot/UG-General-Info
linux/Foundational_Components/U-Boot/UG-DFU
#linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-UART
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1 change: 1 addition & 0 deletions configs/AM62X/AM62X_linux_toc.txt
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Expand Up @@ -29,6 +29,7 @@ linux/Foundational_Components/U-Boot/UG-General-Info
linux/Foundational_Components/U-Boot/UG-DFU
#linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-UART
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1 change: 1 addition & 0 deletions configs/J7200/J7200_linux_toc.txt
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Expand Up @@ -25,6 +25,7 @@ linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-NAND
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-NOR
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1 change: 1 addition & 0 deletions configs/J721E/J721E_linux_toc.txt
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Expand Up @@ -25,6 +25,7 @@ linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-NAND
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-NOR
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1 change: 1 addition & 0 deletions configs/J721S2/J721S2_linux_toc.txt
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Expand Up @@ -25,6 +25,7 @@ linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-NAND
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-NOR
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1 change: 1 addition & 0 deletions configs/J722S/J722S_linux_toc.txt
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Expand Up @@ -25,6 +25,7 @@ linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-NAND
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-NOR
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1 change: 1 addition & 0 deletions configs/J742S2/J742S2_linux_toc.txt
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Expand Up @@ -25,6 +25,7 @@ linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-NAND
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-NOR
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1 change: 1 addition & 0 deletions configs/J784S4/J784S4_linux_toc.txt
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Expand Up @@ -25,6 +25,7 @@ linux/Foundational_Components/U-Boot/UG-DFU
linux/Foundational_Components/U-Boot/UG-Network
linux/Foundational_Components/U-Boot/UG-NAND
linux/Foundational_Components/U-Boot/UG-Memory-K3
linux/Foundational_Components/U-Boot/UG-UMS
linux/Foundational_Components/U-Boot/UG-SPI
linux/Foundational_Components/U-Boot/UG-QSPI
linux/Foundational_Components/U-Boot/UG-NOR
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66 changes: 66 additions & 0 deletions source/linux/Foundational_Components/U-Boot/UG-UMS.rst
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UMS

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[RedHat.Definitions] Define acronyms and abbreviations (such as 'UMS') on first occurrence if they're likely to be unfamiliar.

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'UMS') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 1, "column": 1}}}, "severity": "INFO"}

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{"message": "[RedHat.Headings] Use sentence-style capitalization in 'UMS'.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 1, "column": 1}}}, "severity": "INFO"}
###

UMS (USB Mass Storage) functionality, allows a connected USB host to

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'UMS') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 4, "column": 1}}}, "severity": "INFO"}
access U-Boot block devices and enable file transfer. This is useful
for accessing storage devices such as SD or MMC from a USB host such

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[RedHat.Definitions] Define acronyms and abbreviations (such as 'MMC') on first occurrence if they're likely to be unfamiliar.

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'MMC') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 6, "column": 46}}}, "severity": "INFO"}
as host PC.

Configuration Requirements

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{"message": "[RedHat.Headings] Use sentence-style capitalization in 'Configuration Requirements'.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 9, "column": 1}}}, "severity": "INFO"}
==========================

To enable UMS support, following configuration needs to be set in

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[RedHat.PassiveVoice] 'be set' is passive voice. In general, use active voice. Consult the style guide for acceptable use of passive voice.

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{"message": "[RedHat.PassiveVoice] 'be set' is passive voice. In general, use active voice. Consult the style guide for acceptable use of passive voice.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 12, "column": 57}}}, "severity": "INFO"}

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[RedHat.Definitions] Define acronyms and abbreviations (such as 'UMS') on first occurrence if they're likely to be unfamiliar.

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'UMS') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 12, "column": 11}}}, "severity": "INFO"}
the U-Boot config file:

.. code-block:: kconfig

CONFIG_CMD_USB_MASS_STORAGE=y

Usage
=====

To use the UMS command:

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'UMS') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 22, "column": 12}}}, "severity": "INFO"}

.. code-block:: console

=> ums <dev> [<interface>] <devnum[:partnum]>

**dev**

USB gadget device number.

**interface**

Interface for accessing block device (MMC, SATA, ....), default is MMC.

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[RedHat.Definitions] Define acronyms and abbreviations (such as 'SATA') on first occurrence if they're likely to be unfamiliar.

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'SATA') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 34, "column": 44}}}, "severity": "INFO"}

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[vale] reported by reviewdog 🐶
[RedHat.Definitions] Define acronyms and abbreviations (such as 'MMC') on first occurrence if they're likely to be unfamiliar.

Raw Output:
{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'MMC') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/linux/Foundational_Components/U-Boot/UG-UMS.rst", "range": {"start": {"line": 34, "column": 39}}}, "severity": "INFO"}

**devnum**

Device number for selected interface.

**partnum**

Partition number for selected device, default is 0. 0 to expose all
partitions.

Example usage:

.. code-block:: console

=> mmc list
mmc@fa10000: 0 (eMMC)
mmc@fa00000: 1 (SD)
=> ums 0 mmc 1
UMS: LUN 0, dev mmc 1, hwpart 0, sector 0x0, count 0x3b72400

This example exposes the SD card (mmc 1) as a USB mass storage device
to the connected host PC. The host PC can then mount and access the
storage device for file transfer. Press Ctrl+C to exit UMS command and
return to the U-boot prompt.

.. note::

The USB controller must be in peripheral mode for UMS to work. If
the controller is in host mode, then reconfigure it to
peripheral mode before using the UMS command. The USB controller can
be configured to operate in peripheral mode by changing the value of
``dr_mode`` property of USB controller node in device tree to ``peripheral``.
1 change: 1 addition & 0 deletions source/linux/Foundational_Components/U-Boot/Users-Guide.rst
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Expand Up @@ -15,6 +15,7 @@ User's Guide
UG-PCIeBoot
UG-NAND
UG-Memory-K3
UG-UMS
UG-Memory-OMAP
UG-SPI
UG-QSPI
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