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@xxxxxxxxxxxx>
> Signed-off-by: James Smart <jsmart2021@xxxxxxxxx>
> ---
> 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@xxxxxxxxxx>
