On Fri, 2019-04-05 at 16:04 -0700, James Smart wrote:
> 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@xxxxxxxxx>
> ---
> drivers/scsi/lpfc/lpfc_els.c | 8 ++++++++
> drivers/scsi/lpfc/lpfc_hw.h | 4 ++++
> 2 files changed, 12 insertions(+)
>
> 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
>
> /*
Reviewed-by: Ewan D. Milne <emilne@xxxxxxxxxx>
