1SCSI_DMA_MAP(9)                 SCSI mid layer                 SCSI_DMA_MAP(9)
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NAME

6       scsi_dma_map - perform DMA mapping against command's sg lists
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SYNOPSIS

9       int scsi_dma_map(struct scsi_cmnd * cmd);
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ARGUMENTS

12       cmd
13           scsi command
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DESCRIPTION

16       Returns the number of sg lists actually used, zero if the sg lists is
17       NULL, or -ENOMEM if the mapping failed.
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AUTHORS

20       James Bottomley <James.Bottomley@hansenpartnership.com>
21           Author.
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23       Rob Landley <rob@landley.net>
24           Author.
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27Kernel Hackers Manual 3.10         June 2019                   SCSI_DMA_MAP(9)
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