| ATA_SG_SETUP(9) | libata Core Internals | ATA_SG_SETUP(9) |
NAME¶
ata_sg_setup - DMA-map the scatter-gather table associated with a command.
SYNOPSIS¶
int ata_sg_setup(struct ata_queued_cmd * qc);
ARGUMENTS¶
qc
Command with scatter-gather table to be mapped.
DESCRIPTION¶
DMA-map the scatter-gather table associated with queued_cmd qc.
LOCKING¶
spin_lock_irqsave(host lock)
RETURNS¶
Zero on success, negative on error.
AUTHOR¶
Jeff Garzik
Author.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |