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| author | James Smart <james.smart@emulex.com> | 2010-11-20 23:11:55 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-12-21 12:24:01 -0600 |
| commit | 19ca760979e4be41a3eb215fb8d0e96637161947 (patch) | |
| tree | de6c32815eb813ba770a26178c1612015acf719b /drivers/scsi/lpfc/lpfc_disc.h | |
| parent | 76a95d75ede64e4f1684ddb8c626fdfdb641bda2 (diff) | |
| download | lwn-19ca760979e4be41a3eb215fb8d0e96637161947.tar.gz lwn-19ca760979e4be41a3eb215fb8d0e96637161947.zip | |
[SCSI] lpfc 8.3.19: Added support for ELS RRQ command
Added support for ELS RRQ command
- Add new routine lpfc_set_rrq_active() to track XRI qualifier state.
- Add new module parameter lpfc_enable_rrq to control RRQ operation.
- Add logic to ELS RRQ completion handler and xri qualifier timeout
to clear XRI qualifier state.
- Use OX_ID from XRI_ABORTED_CQE for RRQ payload.
- Tie abort and XRI_ABORTED_CQE andler to RRQ generation.
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_disc.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_disc.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 7cae69de36f7..2f73252d15f0 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -68,6 +68,12 @@ struct lpfc_fast_path_event { } un; }; +#define LPFC_SLI4_MAX_XRI 1024 /* Used to make the ndlp's xri_bitmap */ +#define XRI_BITMAP_ULONGS (LPFC_SLI4_MAX_XRI / BITS_PER_LONG) +struct lpfc_node_rrqs { + unsigned long xri_bitmap[XRI_BITMAP_ULONGS]; +}; + struct lpfc_nodelist { struct list_head nlp_listp; struct lpfc_name nlp_portname; @@ -110,8 +116,19 @@ struct lpfc_nodelist { atomic_t cmd_pending; uint32_t cmd_qdepth; unsigned long last_change_time; + struct lpfc_node_rrqs active_rrqs; struct lpfc_scsicmd_bkt *lat_data; /* Latency data */ }; +struct lpfc_node_rrq { + struct list_head list; + uint16_t xritag; + uint16_t send_rrq; + uint16_t rxid; + uint32_t nlp_DID; /* FC D_ID of entry */ + struct lpfc_vport *vport; + struct lpfc_nodelist *ndlp; + unsigned long rrq_stop_time; +}; /* Defines for nlp_flag (uint32) */ #define NLP_IGNR_REG_CMPL 0x00000001 /* Rcvd rscn before we cmpl reg login */ |