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authorJames Smart <jsmart2021@gmail.com>2019-04-06 01:04:23 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2019-04-09 03:29:16 +0200
commit1a61e5486aeb90d94dd6116c9749e36edd10bf9b (patch)
tree753b5adf7ca7c1d60377fbc9ff625629af226e92 /drivers/scsi/lpfc
parentscsi: scsi_transport_fc: Add FPIN fc event codes (diff)
downloadlinux-1a61e5486aeb90d94dd6116c9749e36edd10bf9b.tar.xz
linux-1a61e5486aeb90d94dd6116c9749e36edd10bf9b.zip
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>
Diffstat (limited to 'drivers/scsi/lpfc')
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c8
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h4
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 61348915c942..c8fb0b455f2a 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -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",
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index ec1227018913..edd8f3982023 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -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
/*