IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0771304
(2007-06-29)
|
등록번호 |
US-7702827
(2010-05-20)
|
발명자
/ 주소 |
- Biran, Giora
- Granovsky, Ilya
- Perlin, Elchanan
|
출원인 / 주소 |
- International Business Machines Corporation
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
8 |
초록
▼
Device, system, and method of utilizing PCI Express packets having modified headers. For example, an apparatus includes a credit-based flow control interconnect device to generate a credit-based flow control interconnect Transaction Layer Packet in which one or more bits of an ID field carry non-ID
Device, system, and method of utilizing PCI Express packets having modified headers. For example, an apparatus includes a credit-based flow control interconnect device to generate a credit-based flow control interconnect Transaction Layer Packet in which one or more bits of an ID field carry non-ID data.
대표청구항
▼
What is claimed is: 1. An apparatus for utilizing Peripheral Component Interconnect (PCI) express packets having modified headers, said apparatus comprising: a credit-based flow control interconnect device to generate a credit-based flow control interconnect Transaction Layer Packet in which one or
What is claimed is: 1. An apparatus for utilizing Peripheral Component Interconnect (PCI) express packets having modified headers, said apparatus comprising: a credit-based flow control interconnect device to generate a credit-based flow control interconnect Transaction Layer Packet in which one or more bits of an ID field carry non-ID data, wherein the Transaction Layer Packet is selected from a packet group consisting of Request Transaction Layer Packets and Completion Transaction Layer Packets, and the ID field is selected from a field group consisting of Requestor ID fields and Completer ID fields. 2. The apparatus of claim 1, wherein the Transaction Layer Packet is a Request Transaction Layer Packet, and wherein the ID field is a Requestor ID field. 3. The apparatus of claim 1, wherein the Transaction Layer Packet is a Completion Transaction Layer Packet, and wherein the ID field is a Requestor ID field. 4. The apparatus of claim 1, wherein the Transaction Layer Packet is a Completion Transaction Layer Packet, and wherein the ID field is a Completer ID field. 5. The apparatus of claim 1, wherein the credit-based flow control interconnect device is directly connected to a credit-based flow control interconnect host, and wherein the credit-based flow control interconnect host is to capture device ID information of the credit-based flow control interconnect device. 6. The apparatus of claim 5,wherein the credit-based flow control interconnect host is to transfer the Transaction Layer Packet to another credit-based flow control interconnect device based on the captured device ID information. 7. The apparatus of claim 1, wherein the non-ID data comprises application-specific data. 8. The apparatus of claim 1, wherein the non-ID data comprises status data. 9. The apparatus of claim 1, wherein the non-ID data comprises an access key. 10. The apparatus of claim 1, wherein the credit-based flow control interconnect device comprises a PCI Express device, and wherein the credit-based flow control interconnect Transaction Layer Packet comprises a PCI Express Transaction Layer Packet. 11. A method for utilizing Peripheral Component Interconnect (PCI) express packets having modified headers, said method comprising: creating, using a credit-based flow control interconnect device, a credit-based flow control interconnect Transaction Layer Packet in which one or more bits of an ID field carry non-ID data, wherein the Transaction Layer Packet is selected from a packet group consisting of Request Transaction Layer Packets and Completion Transaction Layer Packets, and the ID field is selected from a field group consisting of Requestor ID fields and Completer ID fields. 12. The method of claim 11, wherein the credit-based flow control interconnect Transaction Layer Packet comprises a PCI Express Transaction Layer Packet, and wherein creating comprises: storing the non-ID data in a Requestor ID field of a Request Transaction Layer Packet. 13. The method of claim 11, wherein the credit-based flow control interconnect Transaction Layer Packet comprises a PCI Express Transaction Layer Packet, and wherein creating comprises: storing the non-ID data in a Requestor ID field of a Completion Transaction Layer Packet. 14. The method of claim 11, wherein the credit-based flow control interconnect Transaction Layer Packet comprises a PCI Express Transaction Layer Packet, and wherein creating comprises: storing the non-ID data in a Completer ID field of a Completion Transaction Layer Packet. 15. The method of claim 11, further comprising: capturing device ID information of a credit-based flow control interconnect device; and based on the captured device ID information, transferring said Transaction Layer Packet to another credit-based flow control interconnect device. 16. The method of claim 11, wherein creating comprises: storing in said ID field non-ID data, wherein the non-ID data is selected from a group consisting of: application-specific data, status data, and an access key. 17. A system for utilizing Peripheral Component Interconnect (PCI) express packets having modified headers, said system comprising: a credit-based flow control interconnect device to generate a credit-based flow control interconnect Transaction Layer Packet in which one or more bits of an ID field carry non-ID data; and a credit-based flow control interconnect host to capture device ID information and to transfer said Transaction Layer Packet based on the captured device ID information, wherein the Transaction Layer Packet is selected from a packet group consisting of Request Transaction Layer Packets and Completion Transaction Layer Packets, and the ID field is selected from a field group consisting of Requestor ID fields and Completer ID fields. 18. The system of claim 17, further comprising: an additional credit-based flow control interconnect device to receive the Transaction Layer Packet and to read said non-ID data from said one or more bits of said ID field. 19. The system of claim 17, wherein the credit-based flow control interconnect device comprises a PCI Express device, and wherein the credit-based flow control interconnect Transaction Layer Packet comprises a PCI Express Transaction Layer Packet.
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