US 12,373,367 B2
Remote direct memory access operations with integrated data arrival indication
Daniel Marcovitch, Yokneam Illit (IL); Roman Nudelman, Kiryat Bialik (IL); and Noam Bloch, bat Shlomo (IL)
Assigned to Mellanox Technologies, Ltd., Yokneam (IL)
Filed by Mellanox Technologies, Ltd., Yokneam (IL)
Filed on Oct. 31, 2022, as Appl. No. 17/977,910.
Prior Publication US 2024/0143527 A1, May 2, 2024
Int. Cl. G06F 13/28 (2006.01); G06F 13/16 (2006.01)
CPC G06F 13/28 (2013.01) [G06F 13/1668 (2013.01); G06F 2213/0026 (2013.01); G06F 2213/3808 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method comprising:
using a first operation request, generated by a first network controller communicatively coupled to a requestor device, to receive a data from a first network controller by a second network controller, wherein the first operation request comprises a destination memory address to store the data on a target memory;
determining, by the second network controller, whether the destination memory address is associated with an arrival indicator attribute that identifies, to the second network controller, that an arrival indicator in the target memory is to be updated responsive to arrival of one or more portions of the data at the target memory; and responsive to determining that the destination memory address is associated with the arrival indicator attribute, using a second operation request generated by the second network controller, to communicate the data from the second network controller to the target memory, wherein the second operation request is a unified operation request comprising:
the data;
the destination memory address; and
an operation code recognizable, by the target memory, as a request to update the arrival indicator stored in the target memory responsive to arrival of the one or more portions of the data at the target memory.