docs/designs/code-update.md

1 # Code Update Design
20    Image Manager, Image Updater and Update Service.
21 2. Update invocation flow has no explicit interface but rather depends upon the
32 - [Code Update Design](https://github.com/openbmc/docs/tree/master/architecture/code-update)
33 - [PLDM for Firmware Update Specification](https://www.dmtf.org/sites/default/files/standards/docum…
34 - [Redfish Firmware Update White Paper](https://www.dmtf.org/sites/default/files/standards/document…
39    - Update settings shall be able to specify when to apply the image, for
47 5. Update request shall respond back immediately, so client can query the status
78 CU ->> CU: Create Interface<br> xyz.openbmc_project.Software.Update<br> at /xyz/openbmc_project/Sof…
94   CU ->> CU: << Delegate Update for asynchronous processing >>
106   and << Asynchronous Update in Progress >>
120       note over CU: Start Update
124       note over CU: Finish Update
131           CU ->> CU: Update functional association to System Inventory Item
132           CU ->> CU: Create Interface<br> xyz.openbmc_project.Software.Update<br> at ObjectPath
155 | [xyz.openbmc_project.Software.Update](https://gerrit.openbmc.org/c/openbmc/phosphor-dbus-interfac…
164 Introduction of xyz.openbmc_project.Software.Update interface streamlines the
197 xyz.openbmc_project.Software.Update.StartUpdate return value will propagate any
218 [Firmware Update Specification](https://www.dmtf.org/sites/default/files/standards/documents/DSP026…
269 ### Pre and Post Update Conditions
334 #### Executing Pre/Post Update Services
345 #### Handling Pre/Post Update Service Completion
387 xyz.openbmc_project.Software.Update D-Bus interfaces. Upon receiving a PLDM
397 - `xyz.openbmc_project.Software.Update`
427 ### Update multiple devices of same type
432   returned from xyz.openbmc_project.Software.Update.StartUpdate.
448   BMCWeb will trigger xyz.openbmc_project.Software.Update.StartUpdate on
451   [Update multiple devices of same type](#update-multiple-devices-of-same-type).
503 model where Update interface can have get methods for status and progress (for
546 - VR Update
547 - CPLD Update