Granted Patent B2

US 11,586,363 · App. 17/385,539 · Granted Feb 21, 2023

Inventors: Rajeswari Ayyaswamy (Round Rock, TX); Senthil Kumar Parangusam (Round Rock, TX); James Peter Giannoules (Round Rock, TX); Sheshadri Pathpalya Raghavendra Rao (Bengaluru, IN); Aniruddha Suresh Herekar (Belgaum, IN)

Assignee: Dell Products L.P.

G06F3/0629G06F3/061G06F3/0679G06F9/4406

Abstract

Claims (76)

1. An information handling system, comprising:

at least one processor;

a Peripheral Component Interconnect Express (PCIe) root complex coupled to the at least one processor;

a PCIe port coupled to the PCIe root complex;

a baseboard management controller coupled to the at least one processor; and

a memory medium, coupled to the at least one processor, that stores instructions executable by the at least one processor, which when executed by the at least one processor, cause the information handling system to:

boot an operating system;

after booting the operating system, determine that a solid state drive has been hot added to the PCIe port; and

suppress discovery of the solid state drive by the operating system;

wherein the baseboard management controller is configured to:

determine a policy associated with the solid state drive;

determine a current configuration associated with the solid state drive;

determine that the current configuration associated with the solid state drive does not match a configuration associated with the policy associated with the solid state drive;

in response to determining that the current configuration does not match the configuration associated with the policy, determine that the configuration associated with the policy can be applied to the solid state drive; and

apply the configuration associated with the policy to the solid state drive without utilizing the operating system, including configuring the solid state drive i) with a first namespace and modifying a logical block address (LBA) size of the first namespace to a first size, and ii) with a second namespace and modifying a LBA size of the second namespace to a second size, wherein the second size differs from the first size; and

wherein the instructions further cause the information handling system to:

inform the operating system that the solid state drive has been communicatively coupled to the at least one processor via the PCIe root complex.

2. The information handling system of claim 1 , further comprising:

a bus;

wherein the BMC and the solid state drive are coupled to the bus; and

wherein, to determine the current configuration associated with the solid state drive, the baseboard management controller is further configured to communicate with the solid state drive via the bus.

3. The information handling system of claim 1 ,

wherein the baseboard management controller is communicatively coupled the PCIe root complex; and

wherein, to determine the current configuration associated with the solid state drive, the baseboard management controller is further configured to communicate with the solid state drive via the PCIe root complex.

4. The information handling system of claim 3 , wherein, to communicate with the solid state drive via the PCIe root complex, the baseboard management controller is further configured to communicate with the solid state drive via a vendor defined message (VDM) transport.

5. The information handling system of claim 1 ,

wherein the solid state drive is communicatively coupled to the PCIe root complex via a PCIe link;

wherein the instructions further cause the information handling system to:

before suppressing discovery of the solid state drive by the operating system, bring up the PCIe link.

6. The information handling system of claim 1 , wherein the baseboard management controller is further configured to, before applying the configuration associated with the policy to the solid state drive, receive user input indicating approval to apply the configuration associated with the policy to the solid state drive.

7. The information handling system of claim 1 , wherein the baseboard management controller is further configured to, before applying the configuration associated with the policy to the solid state drive:

receive user input indicating a change to at least a portion of the configuration associated with the policy; and

change the configuration associated with the policy based at least on the user input indicating the change to the at least the portion of the configuration associated with the policy.

8. A method, comprising:

booting, by an information handling system, an operating system;

after the booting the operating system, determining, by information handling system firmware of the information handling system, that a solid state drive has been hot added to a Peripheral Component Interconnect Express (PCIe) port of the information handling system, which is coupled to a PCIe root complex of the information handling system;

suppressing, by the information handling system firmware, discovery of the solid state drive by the operating system;

determining, by a baseboard management controller of the information handling system, a policy associated with the solid state drive;

determining, by the baseboard management controller, a current configuration associated with the solid state drive;

determining, by the baseboard management controller, that the current configuration associated with the solid state drive does not match a configuration associated with the policy associated with the solid state drive;

in response to the determining that the current configuration does not match a configuration associated with the policy, determining, by the baseboard management controller, that the configuration associated with the policy can be applied to the solid state drive;

applying, by the baseboard management controller, the configuration associated with the policy to the solid state drive without utilizing the operating system, including configuring the solid state drive i) with a first namespace and modifying a logical block address (LBA) size of the first namespace to a first size, and ii) with a second namespace and modifying a LBA size of the second namespace to a second size, wherein the second size differs from the first size; and

informing, by the information handling system firmware, the operating system that the solid state drive has been communicatively coupled to a processor of the information handling system via the PCIe root complex.

9. The method of claim 8 , wherein the determining the current configuration associated with the solid state drive includes communicating with the solid state drive via a bus of the information handling system.

10. The method of claim 8 ,

wherein the baseboard management controller is communicatively coupled the PCIe root complex; and

wherein the determining the current configuration associated with the solid state drive includes communicating with the solid state drive via the PCIe root complex.

11. The method of claim 10 , wherein the communicating with the solid state drive via the PCIe root complex includes communicating with the solid state drive via a vendor defined message (VDM) transport.

12. The method of claim 8 , wherein the solid state drive is communicatively coupled to the PCIe root complex via a PCIe link;

the method further comprising:

before the suppressing discovery of the solid state drive by the operating system, bringing up the PCIe link.

13. The method of claim 8 , further comprising:

before the applying the configuration associated with the policy to the solid state drive, receiving user input indicating approval to apply the configuration associated with the policy to the solid state drive.

14. The method of claim 8 , further comprising:

before the applying the configuration associated with the policy to the solid state drive:

receiving user input indicating a change to at least a portion of the configuration associated with the policy; and

changing the configuration associated with the policy based at least on the user input indicating the change to the at least the portion of the configuration associated with the policy.

15. A baseboard management controller, comprising:

a processor; and

a memory medium, coupled to the at least one processor, that stores instructions executable by the processor, which when executed by the processor, cause the baseboard management controller to:

receive first information that indicates that a solid state drive has been coupled to a Peripheral Component Interconnect Express (PCIe) port of an information handling system;

determine a policy associated with the solid state drive;

determine a current configuration associated with the solid state drive;

determine that the current configuration associated with the solid state drive does not match a configuration associated with the policy associated with the solid state drive;

in response to determining that the current configuration does not match the configuration associated with the policy, determine that the configuration associated with the policy can be applied to the solid state drive;

apply the configuration associated with the policy to the solid state drive without utilizing the operating system, including configuring the solid state drive i) with a first namespace and modifying a logical block address (LBA) size of the first namespace to a first size, and ii) with a second namespace and modifying a LBA size of the second namespace to a second size, wherein the second size differs from the first size; and

provide, to information handling system firmware of the information handling system, second information indicating that the information handling system firmware can inform an operating system, executing on the information handling system, that the solid state drive has been communicatively coupled to at least one processor of the information handling system via a PCIe root complex of the information handling system.

16. The baseboard management controller of claim 15 , wherein, to determine the current configuration associated with the solid state drive, the instructions further cause the baseboard management controller to communicate with the solid state drive via a bus of the information handling system.

17. The baseboard management controller of claim 15 ,

wherein the baseboard management controller is communicatively coupled the PCIe root complex; and

wherein, to determine the current configuration associated with the solid state drive, the instructions further cause the baseboard management controller to communicate with the solid state drive via the PCIe root complex.

18. The information handling system of claim 17 , wherein, to communicate with the solid state drive via the PCIe root complex, the instructions further cause the baseboard management controller to communicate with the solid state drive via a vendor defined message (VDM) transport.

19. The information handling system of claim 1 , wherein the instructions further cause the baseboard management controller to, before applying the configuration associated with the policy to the solid state drive, receive user input indicating approval to apply the configuration associated with the policy to the solid state drive.

20. The information handling system of claim 1 , wherein the instructions further cause the baseboard management controller to, before applying the configuration associated with the policy to the solid state drive:

receive user input indicating a change to at least a portion of the configuration associated with the policy; and

change the configuration associated with the policy based at least on the user input indicating the change to the at least the portion of the configuration associated with the policy.

Assignments (8)

Continuity (1)