| SCSI_DMA_MAP(9) | SCSI mid layer | SCSI_DMA_MAP(9) |
NAME¶
scsi_dma_map - perform DMA mapping against command´s sg lists
SYNOPSIS¶
int scsi_dma_map(struct scsi_cmnd * cmd);
ARGUMENTS¶
cmd
scsi command
DESCRIPTION¶
Returns the number of sg lists actually used, zero if the sg lists is NULL, or -ENOMEM if the mapping failed.
AUTHORS¶
James Bottomley <James.Bottomley@hansenpartnership.com>
Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |