Concurrent Firmware Update Protocol for NVDIMM Modules
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Solution Overview
Problem
The sequential firmware update process in UEFI environments for information handling systems, particularly for multiple NVDIMM memory modules, results in significant system downtime due to its single-threaded nature.
Innovation Solution
Implementing a concurrent firmware update protocol that allows each memory module to execute an update routine independently, storing and self-updating firmware from a protected non-volatile region, thereby reducing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sequential firmware update process is used in UEFI environment, then system stability is maintained, but system downtime increases significantly
Solution Approach 1:
The patent divides the firmware update process into independent segments that can execute concurrently. Each memory module is assigned its own update task that operates independently, allowing multiple modules to be updated simultaneously rather than sequentially. This segmentation enables parallel execution while maintaining system stability through controlled task management.
Solution Approach 2:
The patent implements dynamic task scheduling where update tasks are created and executed based on real-time system conditions. The system dynamically manages multiple concurrent update tasks, adjusting resource allocation and execution timing to balance between updating multiple memory modules and maintaining system stability. This dynamic approach allows the system to adaptively handle firmware updates without requiring complete system shutdown.
2Productivity
If concurrent firmware update protocol is implemented, then update efficiency improves, but device complexity increases
Solution Approach 1:
The patent creates a universal firmware update protocol that can handle multiple memory module types and scenarios through a single standardized interface. The update task manager implements multi-functional capabilities to orchestrate concurrent updates across different memory modules while maintaining a consistent protocol structure. This universality reduces the need for separate update mechanisms for different scenarios, managing complexity through standardization.
Solution Approach 2:
The patent introduces an intermediary update task manager that coordinates between the firmware update protocol and multiple memory modules. This intermediary layer abstracts the complexity of concurrent update management, providing a standardized interface that simplifies the overall system architecture. The task manager handles task creation, execution, and completion monitoring, shielding the rest of the system from the complexities of parallel firmware updates.
3Loss of time
If multiple memory modules are updated simultaneously, then total update time decreases, but risk of system instability increases
Solution Approach 1:
The patent performs preliminary actions by creating and validating update tasks before actual firmware application. The system prepares update tasks in advance, checking compatibility and readiness conditions for each memory module. This preliminary validation ensures that concurrent updates are initiated only when system conditions are appropriate, reducing the risk of instability while maintaining the time benefits of parallel execution.
Solution Approach 2:
The patent implements feedback mechanisms where the update task manager continuously monitors the status of concurrent firmware updates. Each update task reports its progress and status back to the manager, which can detect and respond to potential issues. This feedback loop allows the system to maintain stability by detecting problems early during concurrent updates and taking corrective actions, such as pausing or rolling back problematic updates.
Data Source
AI summary
A method, and systems and articles of manufacture for performing the method, may be provided for use in an information handling system comprising one or more processors and a memory system communicatively coupled to the one or more processors. The method may include enumerating memory modules of the memory system and installing a concurrent firmware protocol to each of the memory modules, wherein the concurrent firmware protocol is configured to individually execute an update routine on each of the memory modules. The update routine may be configured to, on each memory module, store a to-be-applied firmware update in a protected non-volatile region of the memory module and pull the to-be-applied firmware update from the protected non-volatile region of the memory module and perform a self-update of firmware for the memory module.