Commit c39e0af6 authored by James Smart's avatar James Smart Committed by Martin K. Petersen
Browse files

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: default avatarMuneendra <muneendra.kumar@broadcom.com>
Signed-off-by: default avatarJames Smart <jsmart2021@gmail.com>
Reviewed-by: default avatarEwan D. Milne <emilne@redhat.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 2b1be558

drivers/scsi/scsi_transport_fc.c

+18 −0
Original line number Diff line number Diff line
@@ -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)

{

include/scsi/scsi_transport_fc.h

+2 −0
Original line number Diff line number Diff line
@@ -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);