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[SCSI] osd_uld: OSD scsi ULD

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Add a Linux driver module that registers as a SCSI ULD and probes
for OSD type SCSI devices.

When an OSD-type SCSI device is found a character device is created
in the form of /dev/osdX - where X goes from 0 up to hard coded 64.
The Major character device number used is 260.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Reviewed-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Boaz Harrosh
2009-01-25 16:56:47 +02:00
committed by James Bottomley
parent 02941a530e
commit 95b05a7db5
3 changed files with 432 additions and 0 deletions
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6
include/scsi/osd_initiator.h
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@@ -33,6 +33,12 @@ struct osd_dev {
unsigned def_timeout;
};
/* Add/remove test ioctls from external modules */
typedef int (do_test_fn)(struct osd_dev *od, unsigned cmd, unsigned long arg);
int osduld_register_test(unsigned ioctl, do_test_fn *do_test);
void osduld_unregister_test(unsigned ioctl);
/* These are called by uld at probe time */
void osd_dev_init(struct osd_dev *od, struct scsi_device *scsi_device);
void osd_dev_fini(struct osd_dev *od);