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The Qualcomm® Linux® storage guide describes the features and supported device types, enabling you to configure, customize, and deploy storage capabilities optimally and efficiently. The following table lists the supported storage types.

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Storage use cases

  • Boot from the primary storage device: Store the required images to boot up the device by reading the images such as XBL, AOP, Qualcomm Trusted Execution Environment (TEE), and kernel, from storage.
  • Save user-specific data: Store customized information such as videos, photos, and documents.
  • Support read-only logical unit number (LUN)/region: Store images such as TEE and CDT. LUN is an independent processing unit on a UFS device.
  • Stores data in an authenticated, access-controlled, replay-protected manner in RPMB LUN/partition: Replay protected memory block (RPMB) is a well-known LUN (WLUN) in UFS device and a special partition in eMMC.
  • See Hardware SoCs that are supported on Qualcomm Linux.
  • Configure the device to boot from only one storage source. Use the second source only to store files. If both have bootable files, the system might crash or behave unpredictably.
  • Detailed information on the storage hardware architecture is available to licensed developers with authorized access. For more information, see Qualcomm Linux Storage Guide - Addendum.