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author | James Smart <james.smart@emulex.com> | 2011-12-13 18:21:57 (GMT) |
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committer | James Bottomley <JBottomley@Parallels.com> | 2011-12-15 06:57:44 (GMT) |
commit | cb69f7decc3777822b240c46890a209df288c7bb (patch) | |
tree | 8ae647f9d3d50452fc0bc684a8b4108a4f94a65e /drivers/scsi/lpfc/lpfc_hbadisc.c | |
parent | ff78d8f97c85a568c0799b06137a4171db45b923 (diff) | |
download | linux-fsl-qoriq-cb69f7decc3777822b240c46890a209df288c7bb.tar.xz |
[SCSI] lpfc 8.3.28: Add support for ABTS failure handling
Add support for ABTS failure handling:
- Add asynchronous ABTS notification event feature to driver (CR 124578)
- Change driver message 3092 and 3116 to KERN_WARNING (CR 124768)
- Alter the SCR ELS command to use the temporary RPI and the
Destination DID for SLI4-FC (CR 126070)
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_hbadisc.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index cf4408f..99c7667 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -5352,6 +5352,73 @@ lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) return ndlp; } +/* + * This routine looks up the ndlp lists for the given RPI. If the rpi + * is found, the routine returns the node element list pointer else + * return NULL. + */ +struct lpfc_nodelist * +lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_nodelist *ndlp; + + spin_lock_irq(shost->host_lock); + ndlp = __lpfc_findnode_rpi(vport, rpi); + spin_unlock_irq(shost->host_lock); + return ndlp; +} + +/** + * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier + * @phba: pointer to lpfc hba data structure. + * @vpi: the physical host virtual N_Port identifier. + * + * This routine finds a vport on a HBA (referred by @phba) through a + * @vpi. The function walks the HBA's vport list and returns the address + * of the vport with the matching @vpi. + * + * Return code + * NULL - No vport with the matching @vpi found + * Otherwise - Address to the vport with the matching @vpi. + **/ +struct lpfc_vport * +lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) +{ + struct lpfc_vport *vport; + unsigned long flags; + int i = 0; + + /* The physical ports are always vpi 0 - translate is unnecessary. */ + if (vpi > 0) { + /* + * Translate the physical vpi to the logical vpi. The + * vport stores the logical vpi. + */ + for (i = 0; i < phba->max_vpi; i++) { + if (vpi == phba->vpi_ids[i]) + break; + } + + if (i >= phba->max_vpi) { + lpfc_printf_log(phba, KERN_ERR, LOG_ELS, + "2936 Could not find Vport mapped " + "to vpi %d\n", vpi); + return NULL; + } + } + + spin_lock_irqsave(&phba->hbalock, flags); + list_for_each_entry(vport, &phba->port_list, listentry) { + if (vport->vpi == i) { + spin_unlock_irqrestore(&phba->hbalock, flags); + return vport; + } + } + spin_unlock_irqrestore(&phba->hbalock, flags); + return NULL; +} + void lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint32_t did) |