Data storage device and method for enabling a compare command with built-in data transformations
A data storage device and method for enabling a compare command with built-in data transformations. In one embodiment, a data storage device is provided comprising a memory and a controller. The controller is configured to: receive, from a host, a compare command, a logical block address, data, and an instruction to perform a data transformation operation; read data from a location in the memory corresponding to the logical block address; execute the data transformation operation on the data read from the location in the memory; and compare a result of the data transformation operation with the data received from the host. Other embodiments are provided.
1. A data storage device comprising:
a memory; and
a controller configured to:
receive, from a host, a compare command, a logical block address, data, and an instruction to perform a data transformation operation;
read data from a location in the memory corresponding to the logical block address;
execute the data transformation operation on the data read from the location in the memory; and
compare a result of the data transformation operation with the data received from the host.
2. The data storage device of claim 1 , wherein the controller is further configured to inform the host of a match in response to an exact match between the result and the data received from the host.
3. The data storage device of claim 1 , wherein the controller is further configured to inform the host of a match in response to the result matching the data received from the host within a predetermined threshold.
4. The data storage device of claim 1 , wherein the compare command comprises metadata comprising configuration information for the data transformation operation.
5. The data storage device of claim 4 , wherein the controller is further configured to process the configuration information prior to executing the data transformation operation.
6. The data storage device of claim 1 , wherein the compare command comprises a vendor-specific command.
7. The data storage device of claim 1 , wherein the data transformation operation comprises an operation that transforms data between time and frequency domains.
8. The data storage device of claim 1 , wherein the data transformation operation comprises an operation that transforms data between a fixed point and a floating point format.
9. The data storage device of claim 1 , wherein the data transformation operation comprises a data approximation operation.
10. The data storage device of claim 1 , wherein the data storage device is configured to be embedded in the host.
11. The data storage device of claim 1 , wherein the memory comprises a three-dimensional memory.
12. A method comprising:
performing the following in a host in communication with a data storage device comprising a memory:
sending, to the data storage device, a compare command, a logical block address, data, and an instruction to perform a data transformation operation; and
receiving, from the data storage device, an outcome of a comparison between the data and a result of the data transformation operation performed on data stored in a location in the memory of the data storage device corresponding to the logical block address.
13. The method of claim 12 , wherein the compare command comprises metadata comprising configuration information for the data transformation operation.
14. The method of claim 12 , wherein the compare command comprises a vendor-specific command.
15. The method of claim 12 , wherein the data transformation operation comprises a pattern recognition operation.
16. The method of claim 12 , wherein the data transformation operation comprises an operation that transforms data between time and frequency domains.
17. The method of claim 12 , wherein the data transformation operation comprises an operation that transforms data between a fixed point and a floating point format.
18. The method of claim 12 , wherein the data transformation operation comprises a data approximation operation.
19. The method of claim 12 , wherein the data storage device is embedded in the host.
20. A data storage device comprising:
a memory;
means for receiving, from a host, a compare command, a logical block address, data, and an instruction to perform a data transformation operation;
means for reading data from a location in the memory corresponding to the logical block address;
means for executing the data transformation operation on the data read from the location in the memory; and
means for comparing a result of the data transformation operation with the data received from the host.