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Commit 9661975f authored by Vikas Chaudhary's avatar Vikas Chaudhary Committed by James Bottomley
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[SCSI] qla4xxx: Added support for force firmware dump 



This patch force driver to collect firmware dump using following command:-
"echo 2 > /sys/class/scsi_host/hostX/device/fw_dump"

Signed-off-by: default avatarVikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 137257da

drivers/scsi/qla4xxx/ql4_83xx.c

+1 −1
Original line number Diff line number Diff line
@@ -538,7 +538,7 @@ struct device_info { 
	int port_num;

};



static int qla4_83xx_can_perform_reset(struct scsi_qla_host *ha)

int qla4_83xx_can_perform_reset(struct scsi_qla_host *ha)

{

	uint32_t drv_active;

	uint32_t dev_part, dev_part1, dev_part2;

drivers/scsi/qla4xxx/ql4_attr.c

+11 −5
Original line number Diff line number Diff line
@@ -74,16 +74,22 @@ qla4_8xxx_sysfs_write_fw_dump(struct file *filep, struct kobject *kobj, 
		}

		break;

	case 2:

		/* Reset HBA */

		/* Reset HBA and collect FW dump */

		ha->isp_ops->idc_lock(ha);

		dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);

		if (dev_state == QLA8XXX_DEV_READY) {

			ql4_printk(KERN_INFO, ha,

				   "%s: Setting Need reset, reset_owner is 0x%x.\n",

				   __func__, ha->func_num);

			ql4_printk(KERN_INFO, ha, "%s: Setting Need reset\n",

				   __func__);

			qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,

					    QLA8XXX_DEV_NEED_RESET);

			if (is_qla8022(ha) ||

			    (is_qla8032(ha) &&

			     qla4_83xx_can_perform_reset(ha))) {

				set_bit(AF_8XXX_RST_OWNER, &ha->flags);

				set_bit(AF_FW_RECOVERY, &ha->flags);

				ql4_printk(KERN_INFO, ha, "%s: Reset owner is 0x%x\n",

					   __func__, ha->func_num);

			}

		} else

			ql4_printk(KERN_INFO, ha,

				   "%s: Reset not performed as device state is 0x%x\n",

drivers/scsi/qla4xxx/ql4_glbl.h

+1 −0
Original line number Diff line number Diff line
@@ -260,6 +260,7 @@ int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha); 
int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha);

void qla4_83xx_disable_pause(struct scsi_qla_host *ha);

void qla4_83xx_enable_mbox_intrs(struct scsi_qla_host *ha);

int qla4_83xx_can_perform_reset(struct scsi_qla_host *ha);



extern int ql4xextended_error_logging;

extern int ql4xdontresethba;