diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_init.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_init.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index b0bffe15c287..064a3a311e77 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -765,6 +765,44 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha) } return status; } +/** + * qla4xxx_free_ddb_index - Free DDBs reserved by firmware + * @ha: pointer to adapter structure + * + * Since firmware is not running in autoconnect mode the DDB indices should + * be freed so that when login happens from user space there are free DDB + * indices available. + **/ +static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha) +{ + int max_ddbs; + int ret; + uint32_t idx = 0, next_idx = 0; + uint32_t state = 0, conn_err = 0; + + max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : + MAX_DEV_DB_ENTRIES; + + for (idx = 0; idx < max_ddbs; idx = next_idx) { + ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, + &next_idx, &state, &conn_err, + NULL, NULL); + if (ret == QLA_ERROR) + continue; + if (state == DDB_DS_NO_CONNECTION_ACTIVE || + state == DDB_DS_SESSION_FAILED) { + DEBUG2(ql4_printk(KERN_INFO, ha, + "Freeing DDB index = 0x%x\n", idx)); + ret = qla4xxx_clear_ddb_entry(ha, idx); + if (ret == QLA_ERROR) + ql4_printk(KERN_ERR, ha, + "Unable to clear DDB index = " + "0x%x\n", idx); + } + if (next_idx == 0) + break; + } +} /** @@ -802,6 +840,8 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha) if (status == QLA_ERROR) goto exit_init_hba; + qla4xxx_free_ddb_index(ha); + set_bit(AF_ONLINE, &ha->flags); exit_init_hba: if (is_qla8022(ha) && (status == QLA_ERROR)) { |