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Commit afaf5a2d authored Sep 19, 2006 by David Somayajulu Committed by James Bottomley Oct 04, 2006

[SCSI] Initial Commit of qla4xxx



open-iSCSI driver for Qlogic Corporation's iSCSI HBAs

Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: Doug Maxey <dwm@bubba.enoyolf.org>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

parent ed542bed

drivers/scsi/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -1244,6 +1244,7 @@ config SCSI_QLOGICPTI
		module will be called qlogicpti.

		source "drivers/scsi/qla2xxx/Kconfig"
		source "drivers/scsi/qla4xxx/Kconfig"

		config SCSI_LPFC
		tristate "Emulex LightPulse Fibre Channel Support"

drivers/scsi/Makefile

+1 −0

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

drivers/scsi/qla4xxx/Kconfig

0 → 100644

+7 −0

Original line number	Diff line number	Diff line
		config SCSI_QLA_ISCSI
		tristate "QLogic ISP4XXX host adapter family support"
		depends on PCI && SCSI
		select SCSI_ISCSI_ATTRS
		---help---
		This driver supports the QLogic 40xx (ISP4XXX) iSCSI host
		adapter family.

drivers/scsi/qla4xxx/Makefile

0 → 100644

+5 −0

Original line number	Diff line number	Diff line
		qla4xxx-y := ql4_os.o ql4_init.o ql4_mbx.o ql4_iocb.o ql4_isr.o \
		ql4_nvram.o ql4_dbg.o

		obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx.o

drivers/scsi/qla4xxx/ql4_dbg.c

0 → 100644

+197 −0

Original line number	Diff line number	Diff line
		/*
		* QLogic iSCSI HBA Driver
		* Copyright (c) 2003-2006 QLogic Corporation
		*
		* See LICENSE.qla4xxx for copyright and licensing details.
		*/

		#include "ql4_def.h"
		#include <scsi/scsi_dbg.h>

		static void qla4xxx_print_srb_info(struct srb * srb)
		{
		printk("%s: srb = 0x%p, flags=0x%02x\n", __func__, srb, srb->flags);
		printk("%s: cmd = 0x%p, saved_dma_handle = 0x%lx\n",
		__func__, srb->cmd, (unsigned long) srb->dma_handle);
		printk("%s: fw_ddb_index = %d, lun = %d\n",
		__func__, srb->fw_ddb_index, srb->cmd->device->lun);
		printk("%s: iocb_tov = %d\n",
		__func__, srb->iocb_tov);
		printk("%s: cc_stat = 0x%x, r_start = 0x%lx, u_start = 0x%lx\n\n",
		__func__, srb->cc_stat, srb->r_start, srb->u_start);
		}

		void qla4xxx_print_scsi_cmd(struct scsi_cmnd *cmd)
		{
		printk("SCSI Command = 0x%p, Handle=0x%p\n", cmd, cmd->host_scribble);
		printk(" b=%d, t=%02xh, l=%02xh, cmd_len = %02xh\n",
		cmd->device->channel, cmd->device->id, cmd->device->lun,
		cmd->cmd_len);
		scsi_print_command(cmd);
		printk(" seg_cnt = %d\n", cmd->use_sg);
		printk(" request buffer = 0x%p, request buffer len = 0x%x\n",
		cmd->request_buffer, cmd->request_bufflen);
		if (cmd->use_sg) {
		struct scatterlist *sg;
		sg = (struct scatterlist *)cmd->request_buffer;
		printk(" SG buffer: \n");
		qla4xxx_dump_buffer((caddr_t) sg,
		(cmd->use_sg * sizeof(*sg)));
		}
		printk(" tag = %d, transfersize = 0x%x \n", cmd->tag,
		cmd->transfersize);
		printk(" Pid = %d, SP = 0x%p\n", (int)cmd->pid, cmd->SCp.ptr);
		printk(" underflow size = 0x%x, direction=0x%x\n", cmd->underflow,
		cmd->sc_data_direction);
		printk(" Current time (jiffies) = 0x%lx, "
		"timeout expires = 0x%lx\n", jiffies, cmd->eh_timeout.expires);
		qla4xxx_print_srb_info((struct srb *) cmd->SCp.ptr);
		}

		void __dump_registers(struct scsi_qla_host *ha)
		{
		uint8_t i;
		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)) {
		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)) {
		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);
		}
		}

		void qla4xxx_dump_mbox_registers(struct scsi_qla_host *ha)
		{
		unsigned long flags = 0;
		int i = 0;
		spin_lock_irqsave(&ha->hardware_lock, flags);
		for (i = 1; i < MBOX_REG_COUNT; i++)
		printk(KERN_INFO " Mailbox[%d] = %08x\n", i,
		readw(&ha->reg->mailbox[i]));
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
		}

		void qla4xxx_dump_registers(struct scsi_qla_host *ha)
		{
		unsigned long flags = 0;
		spin_lock_irqsave(&ha->hardware_lock, flags);
		__dump_registers(ha);
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
		}

		void qla4xxx_dump_buffer(void *b, uint32_t size)
		{
		uint32_t cnt;
		uint8_t *c = b;

		printk(" 0 1 2 3 4 5 6 7 8 9 Ah Bh Ch Dh Eh "
		"Fh\n");
		printk("------------------------------------------------------------"
		"--\n");
		for (cnt = 0; cnt < size; cnt++, c++) {
		printk(KERN_DEBUG "%02x", *c);
		if (!(cnt % 16))
		printk(KERN_DEBUG "\n");

		else
		printk(KERN_DEBUG " ");
		}
		if (cnt % 16)
		printk(KERN_DEBUG "\n");
		}