scsi_dma_map (9) Linux Manual Page
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 [at] hansenpartnership.com>
- Author.
Rob Landley <rob [at] landley.net>
- Author.