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scsi: lpfc: add support for posting FC events on FPIN reception 

This patch adds support to recognize FPIN ELS's that are received.  When
one is received, the fc transport will be called to handle the the FPIN.

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>
hifive-unleashed-5.2
James Smart 2019-04-05 16:04:23 -07:00 committed by Martin K. Petersen
parent c39e0af64b
commit 1a61e5486a
2 changed files with 12 additions and 0 deletions
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8
drivers/scsi/lpfc/lpfc_els.c
View File

@ -8450,6 +8450,14 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
rjt_err = LSRJT_UNABLE_TPC;
rjt_exp = LSEXP_INVALID_OX_RX;
break;
case ELS_CMD_FPIN:
/*
* Received FPIN from fabric - pass it to the
* transport FPIN handler.
*/
fc_host_fpin_rcv(shost, elsiocb->iocb.unsli3.rcvsli3.acc_len,
(char *)payload);
break;
default:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV ELS cmd: cmd:x%x did:x%x/ste:x%x",

4
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -560,6 +560,8 @@ struct fc_vft_header {
#define fc_vft_hdr_hopct_WORD word1
};
#include <uapi/scsi/fc/fc_els.h>
/*
* Extended Link Service LS_COMMAND codes (Payload Word 0)
*/
@ -603,6 +605,7 @@ struct fc_vft_header {
#define ELS_CMD_RNID 0x78000000
#define ELS_CMD_LIRR 0x7A000000
#define ELS_CMD_LCB 0x81000000
#define ELS_CMD_FPIN 0x16000000
#else /* __LITTLE_ENDIAN_BITFIELD */
#define ELS_CMD_MASK 0xffff
#define ELS_RSP_MASK 0xff
@ -643,6 +646,7 @@ struct fc_vft_header {
#define ELS_CMD_RNID 0x78
#define ELS_CMD_LIRR 0x7A
#define ELS_CMD_LCB 0x81
#define ELS_CMD_FPIN ELS_FPIN
#endif
/*