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| author |   Andrew Vasquez <andrew.vasquez@qlogic.com> | 2008-07-18 08:32:52 -0700 |
|---|---|---|
| committer |   James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-10-03 11:46:15 -0500 |
| commit | a30c3f69e6336cb9b09a989595e417367e4e9b1b (patch) | |
| tree | 219211924d44553b97579682cd8c27750b47b631 /Documentation | |
| parent | [SCSI] sd: use generic helper to print capacities in both binary and SI (diff) | |
| download | linux-dev-a30c3f69e6336cb9b09a989595e417367e4e9b1b.tar.xz linux-dev-a30c3f69e6336cb9b09a989595e417367e4e9b1b.zip | |
[SCSI] fc_transport: Add an API to allow an LLD to create vports
There's already a fc_vport_termintate() call exported by
the transport. This patch adds a symmetric call to the API to allow
an NPIV-capable LLD to instantiate vports sans user intervention.
Additional comments/updates:
Re: scsi_fc_transport.txt
Add a function prototype for fc_vport_terminate similar to what's
done for fc_vport_create
Re: fc_vport_create
I recommend we pass the channel number in fc_vport_create rather
than fixing it at zero.
Also, ids->vport_type should be set to FC_PORTTYPE_NPIV prior to
calling fc_vport_create. The comment is also meaningless.
Added-by and
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/scsi/scsi_fc_transport.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/scsi/scsi_fc_transport.txt b/Documentation/scsi/scsi_fc_transport.txt index 75143f0c23b6..38d324d62b25 100644 --- a/Documentation/scsi/scsi_fc_transport.txt +++ b/Documentation/scsi/scsi_fc_transport.txt @@ -436,6 +436,42 @@ Other: was updated to remove all vports for the fc_host as well. +Transport supplied functions +---------------------------- + +The following functions are supplied by the FC-transport for use by LLDs. + + fc_vport_create - create a vport + fc_vport_terminate - detach and remove a vport + +Details: + +/** + * fc_vport_create - Admin App or LLDD requests creation of a vport + * @shost: scsi host the virtual port is connected to. + * @ids: The world wide names, FC4 port roles, etc for + * the virtual port. + * + * Notes: + * This routine assumes no locks are held on entry. + */ +struct fc_vport * +fc_vport_create(struct Scsi_Host *shost, struct fc_vport_identifiers *ids) + +/** + * fc_vport_terminate - Admin App or LLDD requests termination of a vport + * @vport: fc_vport to be terminated + * + * Calls the LLDD vport_delete() function, then deallocates and removes + * the vport from the shost and object tree. + * + * Notes: + * This routine assumes no locks are held on entry. + */ +int +fc_vport_terminate(struct fc_vport *vport) + + Credits ======= The following people have contributed to this document: |