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[SCSI] Add target alloc/destroy callbacks to the host template

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This gives the HBA driver notice when a target is created and
destroyed to allow it to manage its own target based allocations
accordingly.

This is a much reduced verson of the original patch sent in by
James.Smart@Emulex.com

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley
2005-05-24 12:06:38 -05:00
committed by James Bottomley
parent 631e8a1398
commit a283bd37d0
3 changed files with 49 additions and 4 deletions
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4
include/scsi/scsi_device.h
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@@ -154,7 +154,9 @@ struct scsi_target {
unsigned int id; /* target id ... replace
* scsi_device.id eventually */
unsigned long create:1; /* signal that it needs to be added */
unsigned long starget_data[0];
void *hostdata; /* available to low-level driver */
unsigned long starget_data[0]; /* for the transport */
/* starget_data must be the last element!!!! */
} __attribute__((aligned(sizeof(unsigned long))));
#define to_scsi_target(d) container_of(d, struct scsi_target, dev)