HBA_CMD_HDR Struct Reference

Command header structure, size = 32 bytes. More...

Public Attributes
db	flags1
db	flags2
dw	prdtl
dd	prdbc
dd	ctba
dd	ctbau

Detailed Description

Command header structure, size = 32 bytes.

Source

blkdev/ahci.inc:127

Member Data Documentation

ctba

dd HBA_CMD_HDR::ctba

Command table descriptor base address

ctbau

dd HBA_CMD_HDR::ctbau

Command table descriptor base address upper 32 bits

flags1

db HBA_CMD_HDR::flags1

0bPWACCCCC, P - Prefetchable, W - Write (1: H2D, 0: D2H)

flags2

db HBA_CMD_HDR::flags2

0bPPPPRCB(Re), P - Port multiplier port, R - Reserved,

prdbc

dd HBA_CMD_HDR::prdbc

Physical region descriptor byte count transferred

prdtl

dw HBA_CMD_HDR::prdtl

Physical region descriptor table length in entries

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The documentation for this struct was generated from the following file:

• blkdev/ahci.inc