atapi_check_dma(9)

atapi_check_dma9

Check whether atapi dma can be supported

Usage

int atapi_check_dma(struct ata_queued_cmd * qc);

Arguments

qc

Metadata associated with taskfile to check

Overview

Allow low-level driver to filter ATA PACKET commands, returning a status indicating whether or not it is OK to use DMA for the supplied PACKET command.

LOCKING: spin_lock_irqsave(host lock)

Return

0 when ATAPI DMA can be used nonzero otherwise

Releases

5 releases since Debian 5.0 (Lenny); the text changed 4 times.

  1. 5.0
  2. 6.0
  3. 7
  4. 8
  5. 9

Author

Jeff Garzik

Author.

From linux-manual-4.9 4.9.228-1 in Debian 9 (Stretch). Parsed by carta from the page's man source.