PCI_Code-ID_r_1_10__v8_Nov_2017.pdfPCISIG PCI_Code

文件名称: PCI_Code-ID_r_1_10__v8_Nov_2017.pdf

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详细说明：PCISIG PCI_Code-ID_r_1_10__v8_Nov_2017规范，包含标准class code信息PCI-SIG disclaims all warranties and liability for the use of this document and the information contained herein and assumes no responsibility for any errors that may appear in this document, nor does pci-sig make a commitment to update the information contained herein Contact the PCI-Sig office to obtain the latest revision of this specification Questions regarding the PCi Code and ID Assignment Specification or membership in PCI-SIG may be forwarded to mbership Servi vIces Www.pcisig.com E-mail. administration(apcisig com Phone 503-619-0569 Fax. 503-644-6708 Technical Support techs pP pcisig com DISCLAIMER is specification is the sole property of PCI-SIG and provided under a click through license throughitswebsitewww.pci-sig.com.Pci-Sigdisclaimsallwarrantiesandliabilityfortheuseof this document and the information contained herein and assumes no responsibility for any crrors that may appear in this document, nor does pci-sig make a commitment to update the information contained herein This PCI Specification is provided"as is" without any warranties of any kind, including any warranty of merchantability, non-infringement, fitness for any particular purpose, or any warranty otherwise of proprietary rights, relating to use of in formation in this specification. This document itself mht arising out of any proposal, specification, or sample PCI-SIG disclaims all liability for infringement not be modified in any way, including by removing the copyright notice or references to PCI-SIG No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted herein. PCl, PCI Express, PCle, and PCI-SIG are trademarks or registered trademarks of PCI-SIG All other product names are trademarks, registered trademarks, or servicemarks of their respective Owners Copyright C PCI-SIG 2017. All Rights Reserved Contents Tables Objective of the Specification This specification contains the Class Code and Capability id descriptions originally contained the PCI Local Bus Specification, bringing them into a standalone document that is casicr to rcfcrence and maintain. This specification also consolidates Extended Capability ID assignments from the PCI Express Base Specification and various other PCI specifications Reference documents PCI Express Base Specification PCI Local Bus specification PCI-X Protocol Addendum to the PCI Local Bus Specification Documentation conventions Capitalization Some terms are capitalized to distinguish their definition in the context of this document from their common English meaning. Words not capitalized have their common English meaning. When terms such as "memory write?"or"memory read"' appear completely in lower case, they include all transactions of that type Register names and the names of ficlds and bits in registers and headers are presented with the first letter capitalized and the remainder in lower case Numbers and number bases Hexadecimal numbers are written with a lower case "h,suffix, e.g., FFFh and 8Oh. Hexadecimal numbers larger than four digits are represented with a space dividing each group of four digits, as in 1E FFFF FFFFh. Binary numbers are written with a lower case "b2'suffix, e.g., 1001b and 10b Binary numbers larger than four digits are written with a space dividing each group of four digits. as in100001010010b All other numbers are decimal Terms and Acronyms Class codes This chapter describes the current Class Code encodings. This list may be enhanced at any time The PCI-Sig web site contains the latest version of this specification companies wishing to define a new encoding should contact the PCI-SIG. All unspecified values are reserved for PCI-SIG assignment 1 Base Class ooh This base class is defined to provide backward compatibility for devices that were built before the Class code field was defined no new devices should use this value and existing devices should switch to a more appropriate valuc it possible. For class codes with this base class value, there are two defined values for the remaining fields as shown in the table below All other values are reserved 12。 Base class01h This base class is defined for all types of mass storage controllers. Several sub-class values are defined

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