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dc1bdbd9b8
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>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef SCSI_TRANSPORT_SRP_H
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#define SCSI_TRANSPORT_SRP_H
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#include <linux/transport_class.h>
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#include <linux/types.h>
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#include <linux/mutex.h>
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#define SRP_RPORT_ROLE_INITIATOR 0
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#define SRP_RPORT_ROLE_TARGET 1
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struct srp_rport_identifiers {
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u8 port_id[16];
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u8 roles;
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};
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struct srp_rport {
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/* for initiator and target drivers */
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struct device dev;
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u8 port_id[16];
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u8 roles;
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/* for initiator drivers */
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void *lld_data; /* LLD private data */
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};
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struct srp_function_template {
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/* for initiator drivers */
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void (*rport_delete)(struct srp_rport *rport);
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/* for target drivers */
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int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
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int (* it_nexus_response)(struct Scsi_Host *, u64, int);
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};
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extern struct scsi_transport_template *
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srp_attach_transport(struct srp_function_template *);
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extern void srp_release_transport(struct scsi_transport_template *);
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extern struct srp_rport *srp_rport_add(struct Scsi_Host *,
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struct srp_rport_identifiers *);
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extern void srp_rport_del(struct srp_rport *);
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extern void srp_remove_host(struct Scsi_Host *);
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#endif
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