diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-07-23 10:20:10 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-07-23 10:20:10 +0100 |
| commit | 39fe5434cb9de5da40510028b17b96bc4eb312b3 (patch) | |
| tree | 7a02a317b9ad57da51ca99887c119e779ccf3f13 /include/scsi/scsi_cmnd.h | |
| parent | 0fc72b81d3111d114ab378935b1cf07680ca1289 (diff) | |
| parent | f695baf2df9e0413d3521661070103711545207a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/scsi/scsi_cmnd.h')
| -rw-r--r-- | include/scsi/scsi_cmnd.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index a2e0c103249..53e170586c2 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -135,4 +135,24 @@ extern void scsi_kunmap_atomic_sg(void *virt); extern struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t); extern void scsi_free_sgtable(struct scatterlist *, int); +extern int scsi_dma_map(struct scsi_cmnd *cmd); +extern void scsi_dma_unmap(struct scsi_cmnd *cmd); + +#define scsi_sg_count(cmd) ((cmd)->use_sg) +#define scsi_sglist(cmd) ((struct scatterlist *)(cmd)->request_buffer) +#define scsi_bufflen(cmd) ((cmd)->request_bufflen) + +static inline void scsi_set_resid(struct scsi_cmnd *cmd, int resid) +{ + cmd->resid = resid; +} + +static inline int scsi_get_resid(struct scsi_cmnd *cmd) +{ + return cmd->resid; +} + +#define scsi_for_each_sg(cmd, sg, nseg, __i) \ + for (__i = 0, sg = scsi_sglist(cmd); __i < (nseg); __i++, (sg)++) + #endif /* _SCSI_SCSI_CMND_H */ |