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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2006-11-16 19:24:13 +0900 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-11-25 13:17:18 -0600 |
| commit | 5a55c2596f55e3a60f7502d0dfcfa0d20241e5ac (patch) | |
| tree | 30bee283b134036d67b15e597270f3718a5e41e5 /include/scsi/scsi_tgt.h | |
| parent | b58d91547fb17c65ad621f3f98b1f2c228c812a5 (diff) | |
| download | lwn-5a55c2596f55e3a60f7502d0dfcfa0d20241e5ac.tar.gz lwn-5a55c2596f55e3a60f7502d0dfcfa0d20241e5ac.zip | |
[SCSI] scsi tgt: scsi target lib functionality
The core scsi target lib functions.
TODO:
- mv md/dm-bio-list.h to linux/bio-list.h so md and us do not have to
do that weird include.
- convert scsi_tgt_cmd's work struct to James's execute code. And try
to kill our scsi_tgt_cmd.
- add host state checking. We do refcouting so hotplug is partially
supported, but we need to add state checking to make it easier on
the LLD.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/scsi/scsi_tgt.h')
| -rw-r--r-- | include/scsi/scsi_tgt.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/scsi/scsi_tgt.h b/include/scsi/scsi_tgt.h new file mode 100644 index 000000000000..4f4427937af2 --- /dev/null +++ b/include/scsi/scsi_tgt.h @@ -0,0 +1,19 @@ +/* + * SCSI target definitions + */ + +#include <linux/dma-mapping.h> + +struct Scsi_Host; +struct scsi_cmnd; +struct scsi_lun; + +extern struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *); +extern int scsi_tgt_alloc_queue(struct Scsi_Host *); +extern void scsi_tgt_free_queue(struct Scsi_Host *); +extern int scsi_tgt_queue_command(struct scsi_cmnd *, struct scsi_lun *, u64); +extern int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *, int, u64, struct scsi_lun *, + void *); +extern struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *, + enum dma_data_direction, gfp_t); +extern void scsi_host_put_command(struct Scsi_Host *, struct scsi_cmnd *); |