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Commit 91a772a4 authored Oct 06, 2010 by Karen Higgins Committed by James Bottomley Oct 25, 2010

[SCSI] qla4xxx: dump mailbox registers on System Error



Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

parent 6434080b

drivers/scsi/qla4xxx/ql4_dbg.c

+101 −0

Original line number	Diff line number	Diff line
		@@ -30,3 +30,104 @@ void qla4xxx_dump_buffer(void *b, uint32_t size)
		printk(KERN_INFO "\n");
		}

		void qla4xxx_dump_registers(struct scsi_qla_host *ha)
		{
		uint8_t i;

		if (is_qla8022(ha)) {
		for (i = 1; i < MBOX_REG_COUNT; i++)
		printk(KERN_INFO "mailbox[%d] = 0x%08X\n",
		i, readl(&ha->qla4_8xxx_reg->mailbox_in[i]));
		return;
		}

		for (i = 0; i < MBOX_REG_COUNT; i++) {
		printk(KERN_INFO "0x%02X mailbox[%d] = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, mailbox[i]), i,
		readw(&ha->reg->mailbox[i]));
		}

		printk(KERN_INFO "0x%02X flash_address = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, flash_address),
		readw(&ha->reg->flash_address));
		printk(KERN_INFO "0x%02X flash_data = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, flash_data),
		readw(&ha->reg->flash_data));
		printk(KERN_INFO "0x%02X ctrl_status = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, ctrl_status),
		readw(&ha->reg->ctrl_status));

		if (is_qla4010(ha)) {
		printk(KERN_INFO "0x%02X nvram = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u1.isp4010.nvram),
		readw(&ha->reg->u1.isp4010.nvram));
		} else if (is_qla4022(ha) \| is_qla4032(ha)) {
		printk(KERN_INFO "0x%02X intr_mask = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u1.isp4022.intr_mask),
		readw(&ha->reg->u1.isp4022.intr_mask));
		printk(KERN_INFO "0x%02X nvram = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u1.isp4022.nvram),
		readw(&ha->reg->u1.isp4022.nvram));
		printk(KERN_INFO "0x%02X semaphore = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u1.isp4022.semaphore),
		readw(&ha->reg->u1.isp4022.semaphore));
		}
		printk(KERN_INFO "0x%02X req_q_in = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, req_q_in),
		readw(&ha->reg->req_q_in));
		printk(KERN_INFO "0x%02X rsp_q_out = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, rsp_q_out),
		readw(&ha->reg->rsp_q_out));

		if (is_qla4010(ha)) {
		printk(KERN_INFO "0x%02X ext_hw_conf = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4010.ext_hw_conf),
		readw(&ha->reg->u2.isp4010.ext_hw_conf));
		printk(KERN_INFO "0x%02X port_ctrl = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4010.port_ctrl),
		readw(&ha->reg->u2.isp4010.port_ctrl));
		printk(KERN_INFO "0x%02X port_status = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4010.port_status),
		readw(&ha->reg->u2.isp4010.port_status));
		printk(KERN_INFO "0x%02X req_q_out = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4010.req_q_out),
		readw(&ha->reg->u2.isp4010.req_q_out));
		printk(KERN_INFO "0x%02X gp_out = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4010.gp_out),
		readw(&ha->reg->u2.isp4010.gp_out));
		printk(KERN_INFO "0x%02X gp_in = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4010.gp_in),
		readw(&ha->reg->u2.isp4010.gp_in));
		printk(KERN_INFO "0x%02X port_err_status = 0x%08X\n", (uint8_t)
		offsetof(struct isp_reg, u2.isp4010.port_err_status),
		readw(&ha->reg->u2.isp4010.port_err_status));
		} else if (is_qla4022(ha) \| is_qla4032(ha)) {
		printk(KERN_INFO "Page 0 Registers:\n");
		printk(KERN_INFO "0x%02X ext_hw_conf = 0x%08X\n", (uint8_t)
		offsetof(struct isp_reg, u2.isp4022.p0.ext_hw_conf),
		readw(&ha->reg->u2.isp4022.p0.ext_hw_conf));
		printk(KERN_INFO "0x%02X port_ctrl = 0x%08X\n", (uint8_t)
		offsetof(struct isp_reg, u2.isp4022.p0.port_ctrl),
		readw(&ha->reg->u2.isp4022.p0.port_ctrl));
		printk(KERN_INFO "0x%02X port_status = 0x%08X\n", (uint8_t)
		offsetof(struct isp_reg, u2.isp4022.p0.port_status),
		readw(&ha->reg->u2.isp4022.p0.port_status));
		printk(KERN_INFO "0x%02X gp_out = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4022.p0.gp_out),
		readw(&ha->reg->u2.isp4022.p0.gp_out));
		printk(KERN_INFO "0x%02X gp_in = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4022.p0.gp_in),
		readw(&ha->reg->u2.isp4022.p0.gp_in));
		printk(KERN_INFO "0x%02X port_err_status = 0x%08X\n", (uint8_t)
		offsetof(struct isp_reg, u2.isp4022.p0.port_err_status),
		readw(&ha->reg->u2.isp4022.p0.port_err_status));
		printk(KERN_INFO "Page 1 Registers:\n");
		writel(HOST_MEM_CFG_PAGE & set_rmask(CSR_SCSI_PAGE_SELECT),
		&ha->reg->ctrl_status);
		printk(KERN_INFO "0x%02X req_q_out = 0x%08X\n",
		(uint8_t) offsetof(struct isp_reg, u2.isp4022.p1.req_q_out),
		readw(&ha->reg->u2.isp4022.p1.req_q_out));
		writel(PORT_CTRL_STAT_PAGE & set_rmask(CSR_SCSI_PAGE_SELECT),
		&ha->reg->ctrl_status);
		}
		}

drivers/scsi/qla4xxx/ql4_glbl.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -94,6 +94,7 @@ void qla4xxx_process_response_queue(struct scsi_qla_host *ha);
		void qla4xxx_wake_dpc(struct scsi_qla_host *ha);
		void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha);
		void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha);
		void qla4xxx_dump_registers(struct scsi_qla_host *ha);

		void qla4_8xxx_pci_config(struct scsi_qla_host *);
		int qla4_8xxx_iospace_config(struct scsi_qla_host *ha);

drivers/scsi/qla4xxx/ql4_isr.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -487,6 +487,8 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
		case MBOX_ASTS_SYSTEM_ERROR:
		/* Log Mailbox registers */
		ql4_printk(KERN_INFO, ha, "%s: System Err\n", __func__);
		qla4xxx_dump_registers(ha);

		if (ql4xdontresethba) {
		DEBUG2(printk("scsi%ld: %s:Don't Reset HBA\n",
		ha->host_no, __func__));