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

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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>
This commit is contained in:
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
/*