From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 02/24] qla4xxx: Print WARN_ONCE() if iSCSI function presence bit removed Date: Mon, 16 Dec 2013 06:49:32 -0500 Message-ID: <1387194594-29817-3-git-send-email-vikas.chaudhary@qlogic.com> References: <1387194594-29817-1-git-send-email-vikas.chaudhary@qlogic.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mx0b-0016ce01.pphosted.com ([67.231.156.153]:50698 "EHLO mx0b-0016ce01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754381Ab3LPMYD (ORCPT ); Mon, 16 Dec 2013 07:24:03 -0500 In-Reply-To: <1387194594-29817-1-git-send-email-vikas.chaudhary@qlogic.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: jbottomley@parallels.com, michaelc@cs.wisc.edu Cc: linux-scsi@vger.kernel.org, vikas.chaudhary@qlogic.com, lalit.chandivade@qlogic.com From: Vikas Chaudhary Signed-off-by: Vikas Chaudhary --- drivers/scsi/qla4xxx/ql4_83xx.c | 20 ++++++++++++++++++++ drivers/scsi/qla4xxx/ql4_glbl.h | 1 + drivers/scsi/qla4xxx/ql4_os.c | 5 +++++ 3 files changed, 26 insertions(+) diff --git a/drivers/scsi/qla4xxx/ql4_83xx.c b/drivers/scsi/qla4xxx/ql4_83xx.c index 8196c2f..43c1688 100644 --- a/drivers/scsi/qla4xxx/ql4_83xx.c +++ b/drivers/scsi/qla4xxx/ql4_83xx.c @@ -1664,3 +1664,23 @@ void qla4_83xx_disable_pause(struct scsi_qla_host *ha) __qla4_83xx_disable_pause(ha); ha->isp_ops->idc_unlock(ha); } + +/** + * qla4_83xx_is_detached - Check if we are marked invisible. + * @ha: Pointer to host adapter structure. + **/ +int qla4_83xx_is_detached(struct scsi_qla_host *ha) +{ + uint32_t drv_active; + + drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); + + if (test_bit(AF_INIT_DONE, &ha->flags) && + !(drv_active & (1 << ha->func_num))) { + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: drv_active = 0x%X\n", + __func__, drv_active)); + return QLA_SUCCESS; + } + + return QLA_ERROR; +} diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index 6d72e1d..b1a19cd 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -280,6 +280,7 @@ uint8_t qla4xxx_set_ipaddr_state(uint8_t fw_ipaddr_state); int qla4_83xx_get_port_config(struct scsi_qla_host *ha, uint32_t *config); int qla4_83xx_set_port_config(struct scsi_qla_host *ha, uint32_t *config); int qla4_8xxx_check_init_adapter_retry(struct scsi_qla_host *ha); +int qla4_83xx_is_detached(struct scsi_qla_host *ha); extern int ql4xextended_error_logging; extern int ql4xdontresethba; diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 9803c9e..e6fa19c 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -4372,6 +4372,11 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) uint32_t dev_state; uint32_t idc_ctrl; + if (is_qla8032(ha) && + (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) + WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", + __func__, ha->func_num); + /* don't poll if reset is going on */ if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || test_bit(DPC_RESET_HA, &ha->dpc_flags) || -- 1.8.2.GIT