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David SomayajuluJames Bottomley
David Somayajulu
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James Bottomley
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[SCSI] Initial Commit of qla4xxx
open-iSCSI driver for Qlogic Corporation's iSCSI HBAs Signed-off-by: Ravi Anand <[email protected]> Signed-off-by: David Somayajulu <[email protected]> Signed-off-by: Doug Maxey <[email protected]> Signed-off-by: Mike Christie <[email protected]> Signed-off-by: James Bottomley <[email protected]>
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‎drivers/scsi/Kconfig‎

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@@ -1244,6 +1244,7 @@ config SCSI_QLOGICPTI
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module will be called qlogicpti.
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source "drivers/scsi/qla2xxx/Kconfig"
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source "drivers/scsi/qla4xxx/Kconfig"
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config SCSI_LPFC
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tristate "Emulex LightPulse Fibre Channel Support"

‎drivers/scsi/Makefile‎

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@@ -84,6 +84,7 @@ obj-$(CONFIG_SCSI_QLOGIC_FAS) += qlogicfas408.o qlogicfas.o
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obj-$(CONFIG_PCMCIA_QLOGIC) += qlogicfas408.o
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obj-$(CONFIG_SCSI_QLOGIC_1280) += qla1280.o
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obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx/
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obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx/
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obj-$(CONFIG_SCSI_LPFC) += lpfc/
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obj-$(CONFIG_SCSI_PAS16) += pas16.o
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obj-$(CONFIG_SCSI_SEAGATE) += seagate.o

‎drivers/scsi/qla4xxx/Kconfig‎

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@@ -0,0 +1,7 @@
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config SCSI_QLA_ISCSI
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tristate "QLogic ISP4XXX host adapter family support"
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depends on PCI && SCSI
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select SCSI_ISCSI_ATTRS
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---help---
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This driver supports the QLogic 40xx (ISP4XXX) iSCSI host
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adapter family.

‎drivers/scsi/qla4xxx/Makefile‎

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@@ -0,0 +1,5 @@
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qla4xxx-y := ql4_os.o ql4_init.o ql4_mbx.o ql4_iocb.o ql4_isr.o \
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ql4_nvram.o ql4_dbg.o
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obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx.o
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‎drivers/scsi/qla4xxx/ql4_dbg.c‎

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/*
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* QLogic iSCSI HBA Driver
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* Copyright (c) 2003-2006 QLogic Corporation
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*
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* See LICENSE.qla4xxx for copyright and licensing details.
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*/
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#include "ql4_def.h"
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#include <scsi/scsi_dbg.h>
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static void qla4xxx_print_srb_info(struct srb * srb)
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{
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printk("%s: srb = 0x%p, flags=0x%02x\n", __func__, srb, srb->flags);
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printk("%s: cmd = 0x%p, saved_dma_handle = 0x%lx\n",
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__func__, srb->cmd, (unsigned long) srb->dma_handle);
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printk("%s: fw_ddb_index = %d, lun = %d\n",
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__func__, srb->fw_ddb_index, srb->cmd->device->lun);
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printk("%s: iocb_tov = %d\n",
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__func__, srb->iocb_tov);
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printk("%s: cc_stat = 0x%x, r_start = 0x%lx, u_start = 0x%lx\n\n",
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__func__, srb->cc_stat, srb->r_start, srb->u_start);
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}
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void qla4xxx_print_scsi_cmd(struct scsi_cmnd *cmd)
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{
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printk("SCSI Command = 0x%p, Handle=0x%p\n", cmd, cmd->host_scribble);
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printk(" b=%d, t=%02xh, l=%02xh, cmd_len = %02xh\n",
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cmd->device->channel, cmd->device->id, cmd->device->lun,
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cmd->cmd_len);
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scsi_print_command(cmd);
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printk(" seg_cnt = %d\n", cmd->use_sg);
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printk(" request buffer = 0x%p, request buffer len = 0x%x\n",
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cmd->request_buffer, cmd->request_bufflen);
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if (cmd->use_sg) {
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struct scatterlist *sg;
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sg = (struct scatterlist *)cmd->request_buffer;
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printk(" SG buffer: \n");
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qla4xxx_dump_buffer((caddr_t) sg,
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(cmd->use_sg * sizeof(*sg)));
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}
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printk(" tag = %d, transfersize = 0x%x \n", cmd->tag,
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cmd->transfersize);
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printk(" Pid = %d, SP = 0x%p\n", (int)cmd->pid, cmd->SCp.ptr);
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printk(" underflow size = 0x%x, direction=0x%x\n", cmd->underflow,
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cmd->sc_data_direction);
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printk(" Current time (jiffies) = 0x%lx, "
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"timeout expires = 0x%lx\n", jiffies, cmd->eh_timeout.expires);
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qla4xxx_print_srb_info((struct srb *) cmd->SCp.ptr);
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}
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void __dump_registers(struct scsi_qla_host *ha)
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{
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uint8_t i;
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for (i = 0; i < MBOX_REG_COUNT; i++) {
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printk(KERN_INFO "0x%02X mailbox[%d] = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, mailbox[i]), i,
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readw(&ha->reg->mailbox[i]));
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}
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printk(KERN_INFO "0x%02X flash_address = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, flash_address),
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readw(&ha->reg->flash_address));
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printk(KERN_INFO "0x%02X flash_data = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, flash_data),
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readw(&ha->reg->flash_data));
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printk(KERN_INFO "0x%02X ctrl_status = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, ctrl_status),
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readw(&ha->reg->ctrl_status));
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if (is_qla4010(ha)) {
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printk(KERN_INFO "0x%02X nvram = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, u1.isp4010.nvram),
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readw(&ha->reg->u1.isp4010.nvram));
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}
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else if (is_qla4022(ha)) {
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printk(KERN_INFO "0x%02X intr_mask = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u1.isp4022.intr_mask),
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readw(&ha->reg->u1.isp4022.intr_mask));
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printk(KERN_INFO "0x%02X nvram = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, u1.isp4022.nvram),
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readw(&ha->reg->u1.isp4022.nvram));
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printk(KERN_INFO "0x%02X semaphore = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u1.isp4022.semaphore),
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readw(&ha->reg->u1.isp4022.semaphore));
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}
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printk(KERN_INFO "0x%02X req_q_in = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, req_q_in),
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readw(&ha->reg->req_q_in));
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printk(KERN_INFO "0x%02X rsp_q_out = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, rsp_q_out),
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readw(&ha->reg->rsp_q_out));
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if (is_qla4010(ha)) {
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printk(KERN_INFO "0x%02X ext_hw_conf = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4010.ext_hw_conf),
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readw(&ha->reg->u2.isp4010.ext_hw_conf));
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printk(KERN_INFO "0x%02X port_ctrl = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4010.port_ctrl),
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readw(&ha->reg->u2.isp4010.port_ctrl));
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printk(KERN_INFO "0x%02X port_status = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4010.port_status),
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readw(&ha->reg->u2.isp4010.port_status));
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printk(KERN_INFO "0x%02X req_q_out = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4010.req_q_out),
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readw(&ha->reg->u2.isp4010.req_q_out));
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printk(KERN_INFO "0x%02X gp_out = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, u2.isp4010.gp_out),
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readw(&ha->reg->u2.isp4010.gp_out));
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printk(KERN_INFO "0x%02X gp_in = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, u2.isp4010.gp_in),
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readw(&ha->reg->u2.isp4010.gp_in));
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printk(KERN_INFO "0x%02X port_err_status = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4010.port_err_status),
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readw(&ha->reg->u2.isp4010.port_err_status));
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}
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else if (is_qla4022(ha)) {
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printk(KERN_INFO "Page 0 Registers:\n");
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printk(KERN_INFO "0x%02X ext_hw_conf = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4022.p0.ext_hw_conf),
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readw(&ha->reg->u2.isp4022.p0.ext_hw_conf));
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printk(KERN_INFO "0x%02X port_ctrl = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4022.p0.port_ctrl),
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readw(&ha->reg->u2.isp4022.p0.port_ctrl));
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printk(KERN_INFO "0x%02X port_status = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4022.p0.port_status),
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readw(&ha->reg->u2.isp4022.p0.port_status));
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printk(KERN_INFO "0x%02X gp_out = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4022.p0.gp_out),
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readw(&ha->reg->u2.isp4022.p0.gp_out));
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printk(KERN_INFO "0x%02X gp_in = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg, u2.isp4022.p0.gp_in),
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readw(&ha->reg->u2.isp4022.p0.gp_in));
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printk(KERN_INFO "0x%02X port_err_status = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4022.p0.port_err_status),
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readw(&ha->reg->u2.isp4022.p0.port_err_status));
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printk(KERN_INFO "Page 1 Registers:\n");
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writel(HOST_MEM_CFG_PAGE & set_rmask(CSR_SCSI_PAGE_SELECT),
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&ha->reg->ctrl_status);
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printk(KERN_INFO "0x%02X req_q_out = 0x%08X\n",
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(uint8_t) offsetof(struct isp_reg,
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u2.isp4022.p1.req_q_out),
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readw(&ha->reg->u2.isp4022.p1.req_q_out));
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writel(PORT_CTRL_STAT_PAGE & set_rmask(CSR_SCSI_PAGE_SELECT),
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&ha->reg->ctrl_status);
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}
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}
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void qla4xxx_dump_mbox_registers(struct scsi_qla_host *ha)
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{
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unsigned long flags = 0;
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int i = 0;
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spin_lock_irqsave(&ha->hardware_lock, flags);
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for (i = 1; i < MBOX_REG_COUNT; i++)
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printk(KERN_INFO " Mailbox[%d] = %08x\n", i,
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readw(&ha->reg->mailbox[i]));
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spin_unlock_irqrestore(&ha->hardware_lock, flags);
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}
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void qla4xxx_dump_registers(struct scsi_qla_host *ha)
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{
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unsigned long flags = 0;
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spin_lock_irqsave(&ha->hardware_lock, flags);
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__dump_registers(ha);
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spin_unlock_irqrestore(&ha->hardware_lock, flags);
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}
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void qla4xxx_dump_buffer(void *b, uint32_t size)
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{
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uint32_t cnt;
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uint8_t *c = b;
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printk(" 0 1 2 3 4 5 6 7 8 9 Ah Bh Ch Dh Eh "
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"Fh\n");
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printk("------------------------------------------------------------"
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"--\n");
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for (cnt = 0; cnt < size; cnt++, c++) {
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printk(KERN_DEBUG "%02x", *c);
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if (!(cnt % 16))
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printk(KERN_DEBUG "\n");
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else
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printk(KERN_DEBUG " ");
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}
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if (cnt % 16)
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printk(KERN_DEBUG "\n");
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}

‎drivers/scsi/qla4xxx/ql4_dbg.h‎

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/*
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* QLogic iSCSI HBA Driver
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* Copyright (c) 2003-2006 QLogic Corporation
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*
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* See LICENSE.qla4xxx for copyright and licensing details.
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*/
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/*
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* Driver debug definitions.
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*/
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/* #define QL_DEBUG */ /* DEBUG messages */
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/* #define QL_DEBUG_LEVEL_3 */ /* Output function tracing */
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/* #define QL_DEBUG_LEVEL_4 */
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/* #define QL_DEBUG_LEVEL_5 */
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/* #define QL_DEBUG_LEVEL_9 */
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#define QL_DEBUG_LEVEL_2 /* ALways enable error messagess */
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#if defined(QL_DEBUG)
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#define DEBUG(x) do {x;} while (0);
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#else
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#define DEBUG(x) do {} while (0);
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#endif
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#if defined(QL_DEBUG_LEVEL_2)
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#define DEBUG2(x) do {if(extended_error_logging == 2) x;} while (0);
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#define DEBUG2_3(x) do {x;} while (0);
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#else /* */
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#define DEBUG2(x) do {} while (0);
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#endif /* */
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#if defined(QL_DEBUG_LEVEL_3)
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#define DEBUG3(x) do {if(extended_error_logging == 3) x;} while (0);
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#else /* */
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#define DEBUG3(x) do {} while (0);
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#if !defined(QL_DEBUG_LEVEL_2)
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#define DEBUG2_3(x) do {} while (0);
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#endif /* */
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#endif /* */
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#if defined(QL_DEBUG_LEVEL_4)
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#define DEBUG4(x) do {x;} while (0);
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#else /* */
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#define DEBUG4(x) do {} while (0);
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#endif /* */
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#if defined(QL_DEBUG_LEVEL_5)
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#define DEBUG5(x) do {x;} while (0);
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#else /* */
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#define DEBUG5(x) do {} while (0);
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#endif /* */
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#if defined(QL_DEBUG_LEVEL_9)
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#define DEBUG9(x) do {x;} while (0);
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#else /* */
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#define DEBUG9(x) do {} while (0);
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#endif /* */

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