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[SCSI] add srp transport class

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This adds srp transport class that works with ib_srp and ibmvscsi.

It creates only /sys/class/{srp_host,srp_remote_ports} and
srp_remote_ports has only "port_id" attribute.

viola:/sys/class/srp_remote_ports/port-0:1# ls
device  port_id  subsystem  uevent
viola:/sys/class/srp_remote_ports/port-0:1# cat port_id
4c:49:4e:55:58:20:56:49:4f:00:00:00:00:00:00:00

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
FUJITA Tomonori
2007-06-27 16:32:39 +09:00
committed by James Bottomley
parent 604cd794de
commit 09345f6505
4 changed files with 360 additions and 0 deletions
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32
include/scsi/scsi_transport_srp.h Normal file
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@@ -0,0 +1,32 @@
#ifndef SCSI_TRANSPORT_SRP_H
#define SCSI_TRANSPORT_SRP_H
#include <linux/transport_class.h>
#include <linux/types.h>
#include <linux/mutex.h>
struct srp_rport_identifiers {
u8 port_id[16];
};
struct srp_rport {
struct device dev;
u8 port_id[16];
};
struct srp_function_template {
/* later */
};
extern struct scsi_transport_template *
srp_attach_transport(struct srp_function_template *);
extern void srp_release_transport(struct scsi_transport_template *);
extern struct srp_rport *srp_rport_add(struct Scsi_Host *,
struct srp_rport_identifiers *);
extern void srp_rport_del(struct srp_rport *);
extern void srp_remove_host(struct Scsi_Host *);
#endif