diff options
| author | Santosh Vernekar <santosh.vernekar@qlogic.com> | 2012-08-22 14:21:03 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-09-24 12:10:47 +0400 |
| commit | 7d613ac6acec8c29e7aa3f80e28e8e982977a151 (patch) | |
| tree | eec782c42537c4658850ffb8982973f122e388a2 /drivers/scsi/qla2xxx/qla_attr.c | |
| parent | 40129a4c6edc1753b9a537877b6a2eac9fc6c659 (diff) | |
[SCSI] qla2xxx: IDC implementation for ISP83xx.
Signed-off-by: Santosh Vernekar <santosh.vernekar@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 60 |
1 files changed, 49 insertions, 11 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index da804f487f21..f76424ef05b0 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -564,6 +564,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); int type; + uint32_t idc_control; if (off != 0) return -EINVAL; @@ -587,22 +588,36 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, scsi_unblock_requests(vha->host); break; case 0x2025d: - if (!IS_QLA81XX(ha) || !IS_QLA8031(ha)) + if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha)) return -EPERM; ql_log(ql_log_info, vha, 0x706f, "Issuing MPI reset.\n"); - /* Make sure FC side is not in reset */ - qla2x00_wait_for_hba_online(vha); - - /* Issue MPI reset */ - scsi_block_requests(vha->host); - if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS) - ql_log(ql_log_warn, vha, 0x7070, - "MPI reset failed.\n"); - scsi_unblock_requests(vha->host); - break; + if (IS_QLA83XX(ha)) { + uint32_t idc_control; + + qla83xx_idc_lock(vha, 0); + __qla83xx_get_idc_control(vha, &idc_control); + idc_control |= QLA83XX_IDC_GRACEFUL_RESET; + __qla83xx_set_idc_control(vha, idc_control); + qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, + QLA8XXX_DEV_NEED_RESET); + qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP); + qla83xx_idc_unlock(vha, 0); + break; + } else { + /* Make sure FC side is not in reset */ + qla2x00_wait_for_hba_online(vha); + + /* Issue MPI reset */ + scsi_block_requests(vha->host); + if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0x7070, + "MPI reset failed.\n"); + scsi_unblock_requests(vha->host); + break; + } case 0x2025e: if (!IS_QLA82XX(ha) || vha != base_vha) { ql_log(ql_log_info, vha, 0x7071, @@ -616,6 +631,29 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, qla2xxx_wake_dpc(vha); qla2x00_wait_for_fcoe_ctx_reset(vha); break; + case 0x2025f: + if (!IS_QLA8031(ha)) + return -EPERM; + ql_log(ql_log_info, vha, 0x70bc, + "Disabling Reset by IDC control\n"); + qla83xx_idc_lock(vha, 0); + __qla83xx_get_idc_control(vha, &idc_control); + idc_control |= QLA83XX_IDC_RESET_DISABLED; + __qla83xx_set_idc_control(vha, idc_control); + qla83xx_idc_unlock(vha, 0); + break; + case 0x20260: + if (!IS_QLA8031(ha)) + return -EPERM; + ql_log(ql_log_info, vha, 0x70bd, + "Enabling Reset by IDC control\n"); + qla83xx_idc_lock(vha, 0); + __qla83xx_get_idc_control(vha, &idc_control); + idc_control &= ~QLA83XX_IDC_RESET_DISABLED; + __qla83xx_set_idc_control(vha, idc_control); + qla83xx_idc_unlock(vha, 0); + break; + } return count; } |