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| author | James Smart <jsmart2021@gmail.com> | 2019-04-05 16:04:22 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-04-08 21:29:16 -0400 |
| commit | c39e0af64bce3bba61c3986d6083df7b8f29a310 (patch) | |
| tree | f24dc593668ed6d0e79d581ba7c78cd34732a058 | |
| parent | 2b1be55819dc7ae35576b3ba621c7fed0c323e04 (diff) | |
| download | linux-stable-c39e0af64bce3bba61c3986d6083df7b8f29a310.tar.gz linux-stable-c39e0af64bce3bba61c3986d6083df7b8f29a310.tar.bz2 linux-stable-c39e0af64bce3bba61c3986d6083df7b8f29a310.zip | |
scsi: scsi_transport_fc: Add FPIN fc event codes
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>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/scsi_transport_fc.c | 18 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_fc.h | 2 |
2 files changed, 20 insertions, 0 deletions
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); |