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[SCSI] Initial Commit of qla4xxx
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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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David Somayajulu authored and James Bottomley committed Oct 4, 2006
1 parent ed542be commit afaf5a2
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1 change: 1 addition & 0 deletions drivers/scsi/Kconfig
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Expand Up @@ -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"
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1 change: 1 addition & 0 deletions drivers/scsi/Makefile
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Expand Up @@ -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
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7 changes: 7 additions & 0 deletions drivers/scsi/qla4xxx/Kconfig
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@@ -0,0 +1,7 @@
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.
5 changes: 5 additions & 0 deletions drivers/scsi/qla4xxx/Makefile
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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

197 changes: 197 additions & 0 deletions drivers/scsi/qla4xxx/ql4_dbg.c
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/*
* 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");
}
55 changes: 55 additions & 0 deletions drivers/scsi/qla4xxx/ql4_dbg.h
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@@ -0,0 +1,55 @@
/*
* QLogic iSCSI HBA Driver
* Copyright (c) 2003-2006 QLogic Corporation
*
* See LICENSE.qla4xxx for copyright and licensing details.
*/

/*
* Driver debug definitions.
*/
/* #define QL_DEBUG */ /* DEBUG messages */
/* #define QL_DEBUG_LEVEL_3 */ /* Output function tracing */
/* #define QL_DEBUG_LEVEL_4 */
/* #define QL_DEBUG_LEVEL_5 */
/* #define QL_DEBUG_LEVEL_9 */

#define QL_DEBUG_LEVEL_2 /* ALways enable error messagess */
#if defined(QL_DEBUG)
#define DEBUG(x) do {x;} while (0);
#else
#define DEBUG(x) do {} while (0);
#endif

#if defined(QL_DEBUG_LEVEL_2)
#define DEBUG2(x) do {if(extended_error_logging == 2) x;} while (0);
#define DEBUG2_3(x) do {x;} while (0);
#else /* */
#define DEBUG2(x) do {} while (0);
#endif /* */

#if defined(QL_DEBUG_LEVEL_3)
#define DEBUG3(x) do {if(extended_error_logging == 3) x;} while (0);
#else /* */
#define DEBUG3(x) do {} while (0);
#if !defined(QL_DEBUG_LEVEL_2)
#define DEBUG2_3(x) do {} while (0);
#endif /* */
#endif /* */
#if defined(QL_DEBUG_LEVEL_4)
#define DEBUG4(x) do {x;} while (0);
#else /* */
#define DEBUG4(x) do {} while (0);
#endif /* */

#if defined(QL_DEBUG_LEVEL_5)
#define DEBUG5(x) do {x;} while (0);
#else /* */
#define DEBUG5(x) do {} while (0);
#endif /* */

#if defined(QL_DEBUG_LEVEL_9)
#define DEBUG9(x) do {x;} while (0);
#else /* */
#define DEBUG9(x) do {} while (0);
#endif /* */
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