| Message ID | 20190405230423.4316-4-jsmart2021@gmail.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | c39e0af64bce3bba61c3986d6083df7b8f29a310 |
| Headers | show |
| Series | scsi fc FPIN event support | expand |
On Fri, 2019-04-05 at 16:04 -0700, James Smart wrote: > Add a new event type - an FPIN event. > > Add a new routine, fc_host_fpin_rcv(), that lldd's call when > an FPIN is received. The routine processes the fpin payload. > For now, the routine only logs an FPIN event. > > Signed-off-by: Muneendra <muneendra.kumar@broadcom.com> > Signed-off-by: James Smart <jsmart2021@gmail.com> > --- > drivers/scsi/scsi_transport_fc.c | 18 ++++++++++++++++++ > include/scsi/scsi_transport_fc.h | 2 ++ > 2 files changed, 20 insertions(+) > > diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c > index 9bea4dfbe128..14e510071046 100644 > --- a/drivers/scsi/scsi_transport_fc.c > +++ b/drivers/scsi/scsi_transport_fc.c > @@ -147,6 +147,7 @@ static const struct { > { FCH_EVT_PORT_OFFLINE, "port_offline" }, > { FCH_EVT_PORT_FABRIC, "port_fabric" }, > { FCH_EVT_LINK_UNKNOWN, "link_unknown" }, > + { FCH_EVT_LINK_FPIN, "link_FPIN" }, > { FCH_EVT_VENDOR_UNIQUE, "vendor_unique" }, > }; > fc_enum_name_search(host_event_code, fc_host_event_code, > @@ -640,6 +641,23 @@ fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number, > } > EXPORT_SYMBOL(fc_host_post_vendor_event); > > +/** > + * fc_host_rcv_fpin - routine to process a received FPIN. > + * @shost: host the FPIN was received on > + * @fpin_len: length of FPIN payload, in bytes > + * @fpin_buf: pointer to FPIN payload > + * > + * Notes: > + * This routine assumes no locks are held on entry. > + */ > +void > +fc_host_fpin_rcv(struct Scsi_Host *shost, u32 fpin_len, char *fpin_buf) > +{ > + fc_host_post_fc_event(shost, fc_get_event_number(), > + FCH_EVT_LINK_FPIN, fpin_len, fpin_buf, 0); > +} > +EXPORT_SYMBOL(fc_host_fpin_rcv); > + > > static __init int fc_transport_init(void) > { > diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h > index 7998b322ed13..3bd59256db3a 100644 > --- a/include/scsi/scsi_transport_fc.h > +++ b/include/scsi/scsi_transport_fc.h > @@ -473,6 +473,7 @@ enum fc_host_event_code { > FCH_EVT_PORT_ONLINE = 0x202, > FCH_EVT_PORT_FABRIC = 0x204, > FCH_EVT_LINK_UNKNOWN = 0x500, > + FCH_EVT_LINK_FPIN = 0x501, > FCH_EVT_VENDOR_UNIQUE = 0xffff, > }; > > @@ -808,6 +809,7 @@ void fc_host_post_fc_event(struct Scsi_Host *shost, u32 event_number, > * Note: when calling fc_host_post_fc_event(), vendor_id may be > * specified as 0. > */ > +void fc_host_fpin_rcv(struct Scsi_Host *shost, u32 fpin_len, char *fpin_buf); > struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel, > struct fc_vport_identifiers *); > int fc_vport_terminate(struct fc_vport *vport); Reviewed-by: Ewan D. Milne <emilne@redhat.com>
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 9bea4dfbe128..14e510071046 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -147,6 +147,7 @@ static const struct { { FCH_EVT_PORT_OFFLINE, "port_offline" }, { FCH_EVT_PORT_FABRIC, "port_fabric" }, { FCH_EVT_LINK_UNKNOWN, "link_unknown" }, + { FCH_EVT_LINK_FPIN, "link_FPIN" }, { FCH_EVT_VENDOR_UNIQUE, "vendor_unique" }, }; fc_enum_name_search(host_event_code, fc_host_event_code, @@ -640,6 +641,23 @@ fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number, } EXPORT_SYMBOL(fc_host_post_vendor_event); +/** + * fc_host_rcv_fpin - routine to process a received FPIN. + * @shost: host the FPIN was received on + * @fpin_len: length of FPIN payload, in bytes + * @fpin_buf: pointer to FPIN payload + * + * Notes: + * This routine assumes no locks are held on entry. + */ +void +fc_host_fpin_rcv(struct Scsi_Host *shost, u32 fpin_len, char *fpin_buf) +{ + fc_host_post_fc_event(shost, fc_get_event_number(), + FCH_EVT_LINK_FPIN, fpin_len, fpin_buf, 0); +} +EXPORT_SYMBOL(fc_host_fpin_rcv); + static __init int fc_transport_init(void) { diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index 7998b322ed13..3bd59256db3a 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -473,6 +473,7 @@ enum fc_host_event_code { FCH_EVT_PORT_ONLINE = 0x202, FCH_EVT_PORT_FABRIC = 0x204, FCH_EVT_LINK_UNKNOWN = 0x500, + FCH_EVT_LINK_FPIN = 0x501, FCH_EVT_VENDOR_UNIQUE = 0xffff, }; @@ -808,6 +809,7 @@ void fc_host_post_fc_event(struct Scsi_Host *shost, u32 event_number, * Note: when calling fc_host_post_fc_event(), vendor_id may be * specified as 0. */ +void fc_host_fpin_rcv(struct Scsi_Host *shost, u32 fpin_len, char *fpin_buf); struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel, struct fc_vport_identifiers *); int fc_vport_terminate(struct fc_vport *vport);