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IB/srp: Allow SRP disconnect through sysfs

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Make it possible to disconnect the IB RC connection used by the SRP
protocol to communicate with a target.

Have the SRP transport layer create a sysfs "delete" attribute for
initiator drivers that support this functionality.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Bart Van Assche
2011-09-16 20:41:13 +02:00
committed by Roland Dreier
parent 7e1265bfe7
commit dc1bdbd9b8
4 changed files with 46 additions and 1 deletions
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include/scsi/scsi_transport_srp.h
+8
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@@ -14,13 +14,21 @@ struct srp_rport_identifiers {
};
struct srp_rport {
/* for initiator and target drivers */
struct device dev;
u8 port_id[16];
u8 roles;
/* for initiator drivers */
void *lld_data; /* LLD private data */
};
struct srp_function_template {
/* for initiator drivers */
void (*rport_delete)(struct srp_rport *rport);
/* for target drivers */
int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
int (* it_nexus_response)(struct Scsi_Host *, u64, int);