From 91a772a4b1840fea39f0377c2cbca4cfc5be05f9 Mon Sep 17 00:00:00 2001 From: Karen Higgins Date: Wed, 6 Oct 2010 22:50:21 -0700 Subject: [PATCH] [SCSI] qla4xxx: dump mailbox registers on System Error Signed-off-by: Karen Higgins Signed-off-by: Vikas Chaudhary Signed-off-by: Ravi Anand Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_dbg.c | 101 ++++++++++++++++++++++++++++++++ drivers/scsi/qla4xxx/ql4_glbl.h | 1 + drivers/scsi/qla4xxx/ql4_isr.c | 2 + 3 files changed, 104 insertions(+) diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c index cbceb0ebabf7..edcf048215dd 100644 --- a/drivers/scsi/qla4xxx/ql4_dbg.c +++ b/drivers/scsi/qla4xxx/ql4_dbg.c @@ -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); + } +} diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index 95a26fb1626c..6575a47501e5 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -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); diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index a5fa65562303..7c33fd5943d5 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -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__)); -- 2.20.1