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1275 |
phoenix |
/*
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* QLogic ISP1020 Intelligent SCSI Processor Driver (PCI)
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* Written by Erik H. Moe, ehm@cris.com
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* Copyright 1995, Erik H. Moe
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* Copyright 1996, 1997 Michael A. Griffith <grif@acm.org>
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* Copyright 2000, Jayson C. Vantuyl <vantuyl@csc.smsu.edu>
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* and Bryon W. Roche <bryon@csc.smsu.edu>
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*
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* 64-bit addressing added by Kanoj Sarcar <kanoj@sgi.com>
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* and Leo Dagum <dagum@sgi.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <linux/blk.h>
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/ioport.h>
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#include <linux/sched.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <linux/unistd.h>
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#include <linux/spinlock.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/byteorder.h>
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#include "sd.h"
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#include "hosts.h"
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#include "qlogicisp.h"
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/* Configuration section *****************************************************/
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/* Set the following macro to 1 to reload the ISP1020's firmware. This is
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the latest firmware provided by QLogic. This may be an earlier/later
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revision than supplied by your board. */
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#define RELOAD_FIRMWARE 1
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/* Set the following macro to 1 to reload the ISP1020's defaults from nvram.
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If you are not sure of your settings, leave this alone, the driver will
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use a set of 'safe' defaults */
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#define USE_NVRAM_DEFAULTS 0
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/* Macros used for debugging */
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#define DEBUG_ISP1020 0
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#define DEBUG_ISP1020_INTR 0
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#define DEBUG_ISP1020_SETUP 0
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#define TRACE_ISP 0
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#define DEFAULT_LOOP_COUNT 1000000
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/* End Configuration section *************************************************/
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#include <linux/module.h>
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#if TRACE_ISP
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# define TRACE_BUF_LEN (32*1024)
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struct {
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u_long next;
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struct {
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u_long time;
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u_int index;
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u_int addr;
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u_char * name;
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} buf[TRACE_BUF_LEN];
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} trace;
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#define TRACE(w, i, a) \
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{ \
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unsigned long flags; \
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\
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save_flags(flags); \
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cli(); \
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trace.buf[trace.next].name = (w); \
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trace.buf[trace.next].time = jiffies; \
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trace.buf[trace.next].index = (i); \
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trace.buf[trace.next].addr = (long) (a); \
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trace.next = (trace.next + 1) & (TRACE_BUF_LEN - 1); \
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restore_flags(flags); \
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}
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#else
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# define TRACE(w, i, a)
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#endif
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#if DEBUG_ISP1020
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#define ENTER(x) printk("isp1020 : entering %s()\n", x);
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#define LEAVE(x) printk("isp1020 : leaving %s()\n", x);
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#define DEBUG(x) x
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#else
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#define ENTER(x)
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#define LEAVE(x)
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#define DEBUG(x)
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#endif /* DEBUG_ISP1020 */
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#if DEBUG_ISP1020_INTR
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#define ENTER_INTR(x) printk("isp1020 : entering %s()\n", x);
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#define LEAVE_INTR(x) printk("isp1020 : leaving %s()\n", x);
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#define DEBUG_INTR(x) x
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#else
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#define ENTER_INTR(x)
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#define LEAVE_INTR(x)
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#define DEBUG_INTR(x)
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#endif /* DEBUG ISP1020_INTR */
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#define ISP1020_REV_ID 1
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#define MAX_TARGETS 16
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#define MAX_LUNS 8
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/* host configuration and control registers */
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#define HOST_HCCR 0xc0 /* host command and control */
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/* pci bus interface registers */
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#define PCI_ID_LOW 0x00 /* vendor id */
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#define PCI_ID_HIGH 0x02 /* device id */
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#define ISP_CFG0 0x04 /* configuration register #0 */
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#define ISP_CFG0_HWMSK 0x000f /* Hardware revision mask */
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#define ISP_CFG0_1020 0x0001 /* ISP1020 */
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#define ISP_CFG0_1020A 0x0002 /* ISP1020A */
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#define ISP_CFG0_1040 0x0003 /* ISP1040 */
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#define ISP_CFG0_1040A 0x0004 /* ISP1040A */
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#define ISP_CFG0_1040B 0x0005 /* ISP1040B */
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#define ISP_CFG0_1040C 0x0006 /* ISP1040C */
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#define ISP_CFG1 0x06 /* configuration register #1 */
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#define ISP_CFG1_F128 0x0040 /* 128-byte FIFO threshold */
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#define ISP_CFG1_F64 0x0030 /* 128-byte FIFO threshold */
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#define ISP_CFG1_F32 0x0020 /* 128-byte FIFO threshold */
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#define ISP_CFG1_F16 0x0010 /* 128-byte FIFO threshold */
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#define ISP_CFG1_BENAB 0x0004 /* Global Bus burst enable */
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#define ISP_CFG1_SXP 0x0001 /* SXP register select */
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#define PCI_INTF_CTL 0x08 /* pci interface control */
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#define PCI_INTF_STS 0x0a /* pci interface status */
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#define PCI_SEMAPHORE 0x0c /* pci semaphore */
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#define PCI_NVRAM 0x0e /* pci nvram interface */
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#define CDMA_CONF 0x20 /* Command DMA Config */
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#define DDMA_CONF 0x40 /* Data DMA Config */
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#define DMA_CONF_SENAB 0x0008 /* SXP to DMA Data enable */
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#define DMA_CONF_RIRQ 0x0004 /* RISC interrupt enable */
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#define DMA_CONF_BENAB 0x0002 /* Bus burst enable */
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#define DMA_CONF_DIR 0x0001 /* DMA direction (0=fifo->host 1=host->fifo) */
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/* mailbox registers */
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#define MBOX0 0x70 /* mailbox 0 */
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#define MBOX1 0x72 /* mailbox 1 */
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#define MBOX2 0x74 /* mailbox 2 */
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#define MBOX3 0x76 /* mailbox 3 */
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#define MBOX4 0x78 /* mailbox 4 */
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#define MBOX5 0x7a /* mailbox 5 */
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#define MBOX6 0x7c /* mailbox 6 */
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#define MBOX7 0x7e /* mailbox 7 */
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/* mailbox command complete status codes */
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#define MBOX_COMMAND_COMPLETE 0x4000
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#define INVALID_COMMAND 0x4001
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#define HOST_INTERFACE_ERROR 0x4002
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#define TEST_FAILED 0x4003
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#define COMMAND_ERROR 0x4005
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#define COMMAND_PARAM_ERROR 0x4006
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/* async event status codes */
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#define ASYNC_SCSI_BUS_RESET 0x8001
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#define SYSTEM_ERROR 0x8002
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#define REQUEST_TRANSFER_ERROR 0x8003
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#define RESPONSE_TRANSFER_ERROR 0x8004
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#define REQUEST_QUEUE_WAKEUP 0x8005
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#define EXECUTION_TIMEOUT_RESET 0x8006
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#ifdef CONFIG_QL_ISP_A64
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#define IOCB_SEGS 2
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#define CONTINUATION_SEGS 5
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#define MAX_CONTINUATION_ENTRIES 254
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#else
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#define IOCB_SEGS 4
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#define CONTINUATION_SEGS 7
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#endif /* CONFIG_QL_ISP_A64 */
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struct Entry_header {
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u_char entry_type;
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u_char entry_cnt;
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u_char sys_def_1;
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u_char flags;
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};
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/* entry header type commands */
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#ifdef CONFIG_QL_ISP_A64
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#define ENTRY_COMMAND 9
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#define ENTRY_CONTINUATION 0xa
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#else
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#define ENTRY_COMMAND 1
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#define ENTRY_CONTINUATION 2
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#endif /* CONFIG_QL_ISP_A64 */
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#define ENTRY_STATUS 3
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#define ENTRY_MARKER 4
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#define ENTRY_EXTENDED_COMMAND 5
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/* entry header flag definitions */
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#define EFLAG_CONTINUATION 1
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#define EFLAG_BUSY 2
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#define EFLAG_BAD_HEADER 4
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#define EFLAG_BAD_PAYLOAD 8
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struct dataseg {
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u_int d_base;
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#ifdef CONFIG_QL_ISP_A64
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u_int d_base_hi;
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#endif
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u_int d_count;
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};
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struct Command_Entry {
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struct Entry_header hdr;
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u_int handle;
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u_char target_lun;
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u_char target_id;
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u_short cdb_length;
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u_short control_flags;
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u_short rsvd;
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u_short time_out;
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u_short segment_cnt;
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u_char cdb[12];
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#ifdef CONFIG_QL_ISP_A64
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u_int rsvd1;
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u_int rsvd2;
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#endif
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struct dataseg dataseg[IOCB_SEGS];
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};
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/* command entry control flag definitions */
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#define CFLAG_NODISC 0x01
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#define CFLAG_HEAD_TAG 0x02
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#define CFLAG_ORDERED_TAG 0x04
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#define CFLAG_SIMPLE_TAG 0x08
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#define CFLAG_TAR_RTN 0x10
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#define CFLAG_READ 0x20
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#define CFLAG_WRITE 0x40
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struct Ext_Command_Entry {
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struct Entry_header hdr;
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u_int handle;
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u_char target_lun;
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u_char target_id;
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u_short cdb_length;
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u_short control_flags;
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u_short rsvd;
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u_short time_out;
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u_short segment_cnt;
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u_char cdb[44];
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};
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struct Continuation_Entry {
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struct Entry_header hdr;
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#ifndef CONFIG_QL_ISP_A64
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u_int reserved;
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#endif
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struct dataseg dataseg[CONTINUATION_SEGS];
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};
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struct Marker_Entry {
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struct Entry_header hdr;
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u_int reserved;
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u_char target_lun;
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u_char target_id;
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u_char modifier;
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u_char rsvd;
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u_char rsvds[52];
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};
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/* marker entry modifier definitions */
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#define SYNC_DEVICE 0
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#define SYNC_TARGET 1
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#define SYNC_ALL 2
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struct Status_Entry {
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struct Entry_header hdr;
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u_int handle;
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u_short scsi_status;
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u_short completion_status;
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u_short state_flags;
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u_short status_flags;
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u_short time;
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u_short req_sense_len;
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u_int residual;
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u_char rsvd[8];
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u_char req_sense_data[32];
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};
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/* status entry completion status definitions */
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#define CS_COMPLETE 0x0000
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#define CS_INCOMPLETE 0x0001
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#define CS_DMA_ERROR 0x0002
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#define CS_TRANSPORT_ERROR 0x0003
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#define CS_RESET_OCCURRED 0x0004
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#define CS_ABORTED 0x0005
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#define CS_TIMEOUT 0x0006
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#define CS_DATA_OVERRUN 0x0007
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#define CS_COMMAND_OVERRUN 0x0008
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#define CS_STATUS_OVERRUN 0x0009
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#define CS_BAD_MESSAGE 0x000a
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#define CS_NO_MESSAGE_OUT 0x000b
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317 |
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#define CS_EXT_ID_FAILED 0x000c
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#define CS_IDE_MSG_FAILED 0x000d
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#define CS_ABORT_MSG_FAILED 0x000e
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320 |
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#define CS_REJECT_MSG_FAILED 0x000f
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#define CS_NOP_MSG_FAILED 0x0010
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#define CS_PARITY_ERROR_MSG_FAILED 0x0011
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#define CS_DEVICE_RESET_MSG_FAILED 0x0012
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#define CS_ID_MSG_FAILED 0x0013
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#define CS_UNEXP_BUS_FREE 0x0014
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#define CS_DATA_UNDERRUN 0x0015
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327 |
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328 |
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/* status entry state flag definitions */
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329 |
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#define SF_GOT_BUS 0x0100
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#define SF_GOT_TARGET 0x0200
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#define SF_SENT_CDB 0x0400
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#define SF_TRANSFERRED_DATA 0x0800
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#define SF_GOT_STATUS 0x1000
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#define SF_GOT_SENSE 0x2000
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335 |
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/* status entry status flag definitions */
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337 |
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#define STF_DISCONNECT 0x0001
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338 |
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#define STF_SYNCHRONOUS 0x0002
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339 |
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#define STF_PARITY_ERROR 0x0004
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340 |
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#define STF_BUS_RESET 0x0008
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341 |
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#define STF_DEVICE_RESET 0x0010
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342 |
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#define STF_ABORTED 0x0020
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343 |
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#define STF_TIMEOUT 0x0040
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344 |
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#define STF_NEGOTIATION 0x0080
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345 |
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346 |
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/* interface control commands */
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347 |
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#define ISP_RESET 0x0001
|
348 |
|
|
#define ISP_EN_INT 0x0002
|
349 |
|
|
#define ISP_EN_RISC 0x0004
|
350 |
|
|
|
351 |
|
|
/* host control commands */
|
352 |
|
|
#define HCCR_NOP 0x0000
|
353 |
|
|
#define HCCR_RESET 0x1000
|
354 |
|
|
#define HCCR_PAUSE 0x2000
|
355 |
|
|
#define HCCR_RELEASE 0x3000
|
356 |
|
|
#define HCCR_SINGLE_STEP 0x4000
|
357 |
|
|
#define HCCR_SET_HOST_INTR 0x5000
|
358 |
|
|
#define HCCR_CLEAR_HOST_INTR 0x6000
|
359 |
|
|
#define HCCR_CLEAR_RISC_INTR 0x7000
|
360 |
|
|
#define HCCR_BP_ENABLE 0x8000
|
361 |
|
|
#define HCCR_BIOS_DISABLE 0x9000
|
362 |
|
|
#define HCCR_TEST_MODE 0xf000
|
363 |
|
|
|
364 |
|
|
#define RISC_BUSY 0x0004
|
365 |
|
|
|
366 |
|
|
/* mailbox commands */
|
367 |
|
|
#define MBOX_NO_OP 0x0000
|
368 |
|
|
#define MBOX_LOAD_RAM 0x0001
|
369 |
|
|
#define MBOX_EXEC_FIRMWARE 0x0002
|
370 |
|
|
#define MBOX_DUMP_RAM 0x0003
|
371 |
|
|
#define MBOX_WRITE_RAM_WORD 0x0004
|
372 |
|
|
#define MBOX_READ_RAM_WORD 0x0005
|
373 |
|
|
#define MBOX_MAILBOX_REG_TEST 0x0006
|
374 |
|
|
#define MBOX_VERIFY_CHECKSUM 0x0007
|
375 |
|
|
#define MBOX_ABOUT_FIRMWARE 0x0008
|
376 |
|
|
#define MBOX_CHECK_FIRMWARE 0x000e
|
377 |
|
|
#define MBOX_INIT_REQ_QUEUE 0x0010
|
378 |
|
|
#define MBOX_INIT_RES_QUEUE 0x0011
|
379 |
|
|
#define MBOX_EXECUTE_IOCB 0x0012
|
380 |
|
|
#define MBOX_WAKE_UP 0x0013
|
381 |
|
|
#define MBOX_STOP_FIRMWARE 0x0014
|
382 |
|
|
#define MBOX_ABORT 0x0015
|
383 |
|
|
#define MBOX_ABORT_DEVICE 0x0016
|
384 |
|
|
#define MBOX_ABORT_TARGET 0x0017
|
385 |
|
|
#define MBOX_BUS_RESET 0x0018
|
386 |
|
|
#define MBOX_STOP_QUEUE 0x0019
|
387 |
|
|
#define MBOX_START_QUEUE 0x001a
|
388 |
|
|
#define MBOX_SINGLE_STEP_QUEUE 0x001b
|
389 |
|
|
#define MBOX_ABORT_QUEUE 0x001c
|
390 |
|
|
#define MBOX_GET_DEV_QUEUE_STATUS 0x001d
|
391 |
|
|
#define MBOX_GET_FIRMWARE_STATUS 0x001f
|
392 |
|
|
#define MBOX_GET_INIT_SCSI_ID 0x0020
|
393 |
|
|
#define MBOX_GET_SELECT_TIMEOUT 0x0021
|
394 |
|
|
#define MBOX_GET_RETRY_COUNT 0x0022
|
395 |
|
|
#define MBOX_GET_TAG_AGE_LIMIT 0x0023
|
396 |
|
|
#define MBOX_GET_CLOCK_RATE 0x0024
|
397 |
|
|
#define MBOX_GET_ACT_NEG_STATE 0x0025
|
398 |
|
|
#define MBOX_GET_ASYNC_DATA_SETUP_TIME 0x0026
|
399 |
|
|
#define MBOX_GET_PCI_PARAMS 0x0027
|
400 |
|
|
#define MBOX_GET_TARGET_PARAMS 0x0028
|
401 |
|
|
#define MBOX_GET_DEV_QUEUE_PARAMS 0x0029
|
402 |
|
|
#define MBOX_SET_INIT_SCSI_ID 0x0030
|
403 |
|
|
#define MBOX_SET_SELECT_TIMEOUT 0x0031
|
404 |
|
|
#define MBOX_SET_RETRY_COUNT 0x0032
|
405 |
|
|
#define MBOX_SET_TAG_AGE_LIMIT 0x0033
|
406 |
|
|
#define MBOX_SET_CLOCK_RATE 0x0034
|
407 |
|
|
#define MBOX_SET_ACTIVE_NEG_STATE 0x0035
|
408 |
|
|
#define MBOX_SET_ASYNC_DATA_SETUP_TIME 0x0036
|
409 |
|
|
#define MBOX_SET_PCI_CONTROL_PARAMS 0x0037
|
410 |
|
|
#define MBOX_SET_TARGET_PARAMS 0x0038
|
411 |
|
|
#define MBOX_SET_DEV_QUEUE_PARAMS 0x0039
|
412 |
|
|
#define MBOX_RETURN_BIOS_BLOCK_ADDR 0x0040
|
413 |
|
|
#define MBOX_WRITE_FOUR_RAM_WORDS 0x0041
|
414 |
|
|
#define MBOX_EXEC_BIOS_IOCB 0x0042
|
415 |
|
|
|
416 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
417 |
|
|
#define MBOX_CMD_INIT_REQUEST_QUEUE_64 0x0052
|
418 |
|
|
#define MBOX_CMD_INIT_RESPONSE_QUEUE_64 0x0053
|
419 |
|
|
#endif /* CONFIG_QL_ISP_A64 */
|
420 |
|
|
|
421 |
|
|
#include "qlogicisp_asm.c"
|
422 |
|
|
|
423 |
|
|
#define PACKB(a, b) (((a)<<4)|(b))
|
424 |
|
|
|
425 |
|
|
static const u_char mbox_param[] = {
|
426 |
|
|
PACKB(1, 1), /* MBOX_NO_OP */
|
427 |
|
|
PACKB(5, 5), /* MBOX_LOAD_RAM */
|
428 |
|
|
PACKB(2, 0), /* MBOX_EXEC_FIRMWARE */
|
429 |
|
|
PACKB(5, 5), /* MBOX_DUMP_RAM */
|
430 |
|
|
PACKB(3, 3), /* MBOX_WRITE_RAM_WORD */
|
431 |
|
|
PACKB(2, 3), /* MBOX_READ_RAM_WORD */
|
432 |
|
|
PACKB(6, 6), /* MBOX_MAILBOX_REG_TEST */
|
433 |
|
|
PACKB(2, 3), /* MBOX_VERIFY_CHECKSUM */
|
434 |
|
|
PACKB(1, 3), /* MBOX_ABOUT_FIRMWARE */
|
435 |
|
|
PACKB(0, 0), /* 0x0009 */
|
436 |
|
|
PACKB(0, 0), /* 0x000a */
|
437 |
|
|
PACKB(0, 0), /* 0x000b */
|
438 |
|
|
PACKB(0, 0), /* 0x000c */
|
439 |
|
|
PACKB(0, 0), /* 0x000d */
|
440 |
|
|
PACKB(1, 2), /* MBOX_CHECK_FIRMWARE */
|
441 |
|
|
PACKB(0, 0), /* 0x000f */
|
442 |
|
|
PACKB(5, 5), /* MBOX_INIT_REQ_QUEUE */
|
443 |
|
|
PACKB(6, 6), /* MBOX_INIT_RES_QUEUE */
|
444 |
|
|
PACKB(4, 4), /* MBOX_EXECUTE_IOCB */
|
445 |
|
|
PACKB(2, 2), /* MBOX_WAKE_UP */
|
446 |
|
|
PACKB(1, 6), /* MBOX_STOP_FIRMWARE */
|
447 |
|
|
PACKB(4, 4), /* MBOX_ABORT */
|
448 |
|
|
PACKB(2, 2), /* MBOX_ABORT_DEVICE */
|
449 |
|
|
PACKB(3, 3), /* MBOX_ABORT_TARGET */
|
450 |
|
|
PACKB(2, 2), /* MBOX_BUS_RESET */
|
451 |
|
|
PACKB(2, 3), /* MBOX_STOP_QUEUE */
|
452 |
|
|
PACKB(2, 3), /* MBOX_START_QUEUE */
|
453 |
|
|
PACKB(2, 3), /* MBOX_SINGLE_STEP_QUEUE */
|
454 |
|
|
PACKB(2, 3), /* MBOX_ABORT_QUEUE */
|
455 |
|
|
PACKB(2, 4), /* MBOX_GET_DEV_QUEUE_STATUS */
|
456 |
|
|
PACKB(0, 0), /* 0x001e */
|
457 |
|
|
PACKB(1, 3), /* MBOX_GET_FIRMWARE_STATUS */
|
458 |
|
|
PACKB(1, 2), /* MBOX_GET_INIT_SCSI_ID */
|
459 |
|
|
PACKB(1, 2), /* MBOX_GET_SELECT_TIMEOUT */
|
460 |
|
|
PACKB(1, 3), /* MBOX_GET_RETRY_COUNT */
|
461 |
|
|
PACKB(1, 2), /* MBOX_GET_TAG_AGE_LIMIT */
|
462 |
|
|
PACKB(1, 2), /* MBOX_GET_CLOCK_RATE */
|
463 |
|
|
PACKB(1, 2), /* MBOX_GET_ACT_NEG_STATE */
|
464 |
|
|
PACKB(1, 2), /* MBOX_GET_ASYNC_DATA_SETUP_TIME */
|
465 |
|
|
PACKB(1, 3), /* MBOX_GET_PCI_PARAMS */
|
466 |
|
|
PACKB(2, 4), /* MBOX_GET_TARGET_PARAMS */
|
467 |
|
|
PACKB(2, 4), /* MBOX_GET_DEV_QUEUE_PARAMS */
|
468 |
|
|
PACKB(0, 0), /* 0x002a */
|
469 |
|
|
PACKB(0, 0), /* 0x002b */
|
470 |
|
|
PACKB(0, 0), /* 0x002c */
|
471 |
|
|
PACKB(0, 0), /* 0x002d */
|
472 |
|
|
PACKB(0, 0), /* 0x002e */
|
473 |
|
|
PACKB(0, 0), /* 0x002f */
|
474 |
|
|
PACKB(2, 2), /* MBOX_SET_INIT_SCSI_ID */
|
475 |
|
|
PACKB(2, 2), /* MBOX_SET_SELECT_TIMEOUT */
|
476 |
|
|
PACKB(3, 3), /* MBOX_SET_RETRY_COUNT */
|
477 |
|
|
PACKB(2, 2), /* MBOX_SET_TAG_AGE_LIMIT */
|
478 |
|
|
PACKB(2, 2), /* MBOX_SET_CLOCK_RATE */
|
479 |
|
|
PACKB(2, 2), /* MBOX_SET_ACTIVE_NEG_STATE */
|
480 |
|
|
PACKB(2, 2), /* MBOX_SET_ASYNC_DATA_SETUP_TIME */
|
481 |
|
|
PACKB(3, 3), /* MBOX_SET_PCI_CONTROL_PARAMS */
|
482 |
|
|
PACKB(4, 4), /* MBOX_SET_TARGET_PARAMS */
|
483 |
|
|
PACKB(4, 4), /* MBOX_SET_DEV_QUEUE_PARAMS */
|
484 |
|
|
PACKB(0, 0), /* 0x003a */
|
485 |
|
|
PACKB(0, 0), /* 0x003b */
|
486 |
|
|
PACKB(0, 0), /* 0x003c */
|
487 |
|
|
PACKB(0, 0), /* 0x003d */
|
488 |
|
|
PACKB(0, 0), /* 0x003e */
|
489 |
|
|
PACKB(0, 0), /* 0x003f */
|
490 |
|
|
PACKB(1, 2), /* MBOX_RETURN_BIOS_BLOCK_ADDR */
|
491 |
|
|
PACKB(6, 1), /* MBOX_WRITE_FOUR_RAM_WORDS */
|
492 |
|
|
PACKB(2, 3) /* MBOX_EXEC_BIOS_IOCB */
|
493 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
494 |
|
|
,PACKB(0, 0), /* 0x0043 */
|
495 |
|
|
PACKB(0, 0), /* 0x0044 */
|
496 |
|
|
PACKB(0, 0), /* 0x0045 */
|
497 |
|
|
PACKB(0, 0), /* 0x0046 */
|
498 |
|
|
PACKB(0, 0), /* 0x0047 */
|
499 |
|
|
PACKB(0, 0), /* 0x0048 */
|
500 |
|
|
PACKB(0, 0), /* 0x0049 */
|
501 |
|
|
PACKB(0, 0), /* 0x004a */
|
502 |
|
|
PACKB(0, 0), /* 0x004b */
|
503 |
|
|
PACKB(0, 0), /* 0x004c */
|
504 |
|
|
PACKB(0, 0), /* 0x004d */
|
505 |
|
|
PACKB(0, 0), /* 0x004e */
|
506 |
|
|
PACKB(0, 0), /* 0x004f */
|
507 |
|
|
PACKB(0, 0), /* 0x0050 */
|
508 |
|
|
PACKB(0, 0), /* 0x0051 */
|
509 |
|
|
PACKB(8, 8), /* MBOX_CMD_INIT_REQUEST_QUEUE_64 (0x0052) */
|
510 |
|
|
PACKB(8, 8) /* MBOX_CMD_INIT_RESPONSE_QUEUE_64 (0x0053) */
|
511 |
|
|
#endif /* CONFIG_QL_ISP_A64 */
|
512 |
|
|
};
|
513 |
|
|
|
514 |
|
|
#define MAX_MBOX_COMMAND (sizeof(mbox_param)/sizeof(u_short))
|
515 |
|
|
|
516 |
|
|
struct host_param {
|
517 |
|
|
u_short fifo_threshold;
|
518 |
|
|
u_short host_adapter_enable;
|
519 |
|
|
u_short initiator_scsi_id;
|
520 |
|
|
u_short bus_reset_delay;
|
521 |
|
|
u_short retry_count;
|
522 |
|
|
u_short retry_delay;
|
523 |
|
|
u_short async_data_setup_time;
|
524 |
|
|
u_short req_ack_active_negation;
|
525 |
|
|
u_short data_line_active_negation;
|
526 |
|
|
u_short data_dma_burst_enable;
|
527 |
|
|
u_short command_dma_burst_enable;
|
528 |
|
|
u_short tag_aging;
|
529 |
|
|
u_short selection_timeout;
|
530 |
|
|
u_short max_queue_depth;
|
531 |
|
|
};
|
532 |
|
|
|
533 |
|
|
/*
|
534 |
|
|
* Device Flags:
|
535 |
|
|
*
|
536 |
|
|
* Bit Name
|
537 |
|
|
* ---------
|
538 |
|
|
* 7 Disconnect Privilege
|
539 |
|
|
* 6 Parity Checking
|
540 |
|
|
* 5 Wide Data Transfers
|
541 |
|
|
* 4 Synchronous Data Transfers
|
542 |
|
|
* 3 Tagged Queuing
|
543 |
|
|
* 2 Automatic Request Sense
|
544 |
|
|
* 1 Stop Queue on Check Condition
|
545 |
|
|
* 0 Renegotiate on Error
|
546 |
|
|
*/
|
547 |
|
|
|
548 |
|
|
struct dev_param {
|
549 |
|
|
u_short device_flags;
|
550 |
|
|
u_short execution_throttle;
|
551 |
|
|
u_short synchronous_period;
|
552 |
|
|
u_short synchronous_offset;
|
553 |
|
|
u_short device_enable;
|
554 |
|
|
u_short reserved; /* pad */
|
555 |
|
|
};
|
556 |
|
|
|
557 |
|
|
/*
|
558 |
|
|
* The result queue can be quite a bit smaller since continuation entries
|
559 |
|
|
* do not show up there:
|
560 |
|
|
*/
|
561 |
|
|
#define RES_QUEUE_LEN ((QLOGICISP_REQ_QUEUE_LEN + 1) / 8 - 1)
|
562 |
|
|
#define QUEUE_ENTRY_LEN 64
|
563 |
|
|
#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
|
564 |
|
|
|
565 |
|
|
struct isp_queue_entry {
|
566 |
|
|
char __opaque[QUEUE_ENTRY_LEN];
|
567 |
|
|
};
|
568 |
|
|
|
569 |
|
|
struct isp1020_hostdata {
|
570 |
|
|
u_long memaddr;
|
571 |
|
|
u_char revision;
|
572 |
|
|
struct host_param host_param;
|
573 |
|
|
struct dev_param dev_param[MAX_TARGETS];
|
574 |
|
|
struct pci_dev *pci_dev;
|
575 |
|
|
|
576 |
|
|
struct isp_queue_entry *res_cpu; /* CPU-side address of response queue. */
|
577 |
|
|
struct isp_queue_entry *req_cpu; /* CPU-size address of request queue. */
|
578 |
|
|
|
579 |
|
|
/* result and request queues (shared with isp1020): */
|
580 |
|
|
u_int req_in_ptr; /* index of next request slot */
|
581 |
|
|
u_int res_out_ptr; /* index of next result slot */
|
582 |
|
|
|
583 |
|
|
/* this is here so the queues are nicely aligned */
|
584 |
|
|
long send_marker; /* do we need to send a marker? */
|
585 |
|
|
|
586 |
|
|
/* The cmd->handle has a fixed size, and is only 32-bits. We
|
587 |
|
|
* need to take care to handle 64-bit systems correctly thus what
|
588 |
|
|
* we actually place in cmd->handle is an index to the following
|
589 |
|
|
* table. Kudos to Matt Jacob for the technique. -DaveM
|
590 |
|
|
*/
|
591 |
|
|
Scsi_Cmnd *cmd_slots[QLOGICISP_REQ_QUEUE_LEN + 1];
|
592 |
|
|
|
593 |
|
|
dma_addr_t res_dma; /* PCI side view of response queue */
|
594 |
|
|
dma_addr_t req_dma; /* PCI side view of request queue */
|
595 |
|
|
};
|
596 |
|
|
|
597 |
|
|
/* queue length's _must_ be power of two: */
|
598 |
|
|
#define QUEUE_DEPTH(in, out, ql) ((in - out) & (ql))
|
599 |
|
|
#define REQ_QUEUE_DEPTH(in, out) QUEUE_DEPTH(in, out, \
|
600 |
|
|
QLOGICISP_REQ_QUEUE_LEN)
|
601 |
|
|
#define RES_QUEUE_DEPTH(in, out) QUEUE_DEPTH(in, out, RES_QUEUE_LEN)
|
602 |
|
|
|
603 |
|
|
static void isp1020_enable_irqs(struct Scsi_Host *);
|
604 |
|
|
static void isp1020_disable_irqs(struct Scsi_Host *);
|
605 |
|
|
static int isp1020_init(struct Scsi_Host *);
|
606 |
|
|
static int isp1020_reset_hardware(struct Scsi_Host *);
|
607 |
|
|
static int isp1020_set_defaults(struct Scsi_Host *);
|
608 |
|
|
static int isp1020_load_parameters(struct Scsi_Host *);
|
609 |
|
|
static int isp1020_mbox_command(struct Scsi_Host *, u_short []);
|
610 |
|
|
static int isp1020_return_status(struct Status_Entry *);
|
611 |
|
|
static void isp1020_intr_handler(int, void *, struct pt_regs *);
|
612 |
|
|
static void do_isp1020_intr_handler(int, void *, struct pt_regs *);
|
613 |
|
|
|
614 |
|
|
#if USE_NVRAM_DEFAULTS
|
615 |
|
|
static int isp1020_get_defaults(struct Scsi_Host *);
|
616 |
|
|
static int isp1020_verify_nvram(struct Scsi_Host *);
|
617 |
|
|
static u_short isp1020_read_nvram_word(struct Scsi_Host *, u_short);
|
618 |
|
|
#endif
|
619 |
|
|
|
620 |
|
|
#if DEBUG_ISP1020
|
621 |
|
|
static void isp1020_print_scsi_cmd(Scsi_Cmnd *);
|
622 |
|
|
#endif
|
623 |
|
|
#if DEBUG_ISP1020_INTR
|
624 |
|
|
static void isp1020_print_status_entry(struct Status_Entry *);
|
625 |
|
|
#endif
|
626 |
|
|
|
627 |
|
|
/* memaddr should be used to determine if memmapped port i/o is being used
|
628 |
|
|
* non-null memaddr == mmap'd
|
629 |
|
|
* JV 7-Jan-2000
|
630 |
|
|
*/
|
631 |
|
|
static inline u_short isp_inw(struct Scsi_Host *host, long offset)
|
632 |
|
|
{
|
633 |
|
|
struct isp1020_hostdata *h = (struct isp1020_hostdata *)host->hostdata;
|
634 |
|
|
if (h->memaddr)
|
635 |
|
|
return readw(h->memaddr + offset);
|
636 |
|
|
else
|
637 |
|
|
return inw(host->io_port + offset);
|
638 |
|
|
}
|
639 |
|
|
|
640 |
|
|
static inline void isp_outw(u_short val, struct Scsi_Host *host, long offset)
|
641 |
|
|
{
|
642 |
|
|
struct isp1020_hostdata *h = (struct isp1020_hostdata *)host->hostdata;
|
643 |
|
|
if (h->memaddr)
|
644 |
|
|
writew(val, h->memaddr + offset);
|
645 |
|
|
else
|
646 |
|
|
outw(val, host->io_port + offset);
|
647 |
|
|
}
|
648 |
|
|
|
649 |
|
|
static inline void isp1020_enable_irqs(struct Scsi_Host *host)
|
650 |
|
|
{
|
651 |
|
|
isp_outw(ISP_EN_INT|ISP_EN_RISC, host, PCI_INTF_CTL);
|
652 |
|
|
}
|
653 |
|
|
|
654 |
|
|
|
655 |
|
|
static inline void isp1020_disable_irqs(struct Scsi_Host *host)
|
656 |
|
|
{
|
657 |
|
|
isp_outw(0x0, host, PCI_INTF_CTL);
|
658 |
|
|
}
|
659 |
|
|
|
660 |
|
|
|
661 |
|
|
int isp1020_detect(Scsi_Host_Template *tmpt)
|
662 |
|
|
{
|
663 |
|
|
int hosts = 0;
|
664 |
|
|
struct Scsi_Host *host;
|
665 |
|
|
struct isp1020_hostdata *hostdata;
|
666 |
|
|
struct pci_dev *pdev = NULL;
|
667 |
|
|
|
668 |
|
|
ENTER("isp1020_detect");
|
669 |
|
|
|
670 |
|
|
tmpt->proc_name = "isp1020";
|
671 |
|
|
|
672 |
|
|
if (pci_present() == 0) {
|
673 |
|
|
printk("qlogicisp : PCI not present\n");
|
674 |
|
|
return 0;
|
675 |
|
|
}
|
676 |
|
|
|
677 |
|
|
while ((pdev = pci_find_device(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020, pdev)))
|
678 |
|
|
{
|
679 |
|
|
if (pci_enable_device(pdev))
|
680 |
|
|
continue;
|
681 |
|
|
|
682 |
|
|
host = scsi_register(tmpt, sizeof(struct isp1020_hostdata));
|
683 |
|
|
if (!host)
|
684 |
|
|
continue;
|
685 |
|
|
|
686 |
|
|
hostdata = (struct isp1020_hostdata *) host->hostdata;
|
687 |
|
|
|
688 |
|
|
memset(hostdata, 0, sizeof(struct isp1020_hostdata));
|
689 |
|
|
|
690 |
|
|
hostdata->pci_dev = pdev;
|
691 |
|
|
scsi_set_pci_device(host, pdev);
|
692 |
|
|
|
693 |
|
|
if (isp1020_init(host))
|
694 |
|
|
goto fail_and_unregister;
|
695 |
|
|
|
696 |
|
|
if (isp1020_reset_hardware(host)
|
697 |
|
|
#if USE_NVRAM_DEFAULTS
|
698 |
|
|
|| isp1020_get_defaults(host)
|
699 |
|
|
#else
|
700 |
|
|
|| isp1020_set_defaults(host)
|
701 |
|
|
#endif /* USE_NVRAM_DEFAULTS */
|
702 |
|
|
|| isp1020_load_parameters(host)) {
|
703 |
|
|
goto fail_uninit;
|
704 |
|
|
}
|
705 |
|
|
|
706 |
|
|
host->this_id = hostdata->host_param.initiator_scsi_id;
|
707 |
|
|
host->max_sectors = 64;
|
708 |
|
|
|
709 |
|
|
if (request_irq(host->irq, do_isp1020_intr_handler, SA_INTERRUPT | SA_SHIRQ,
|
710 |
|
|
"qlogicisp", host))
|
711 |
|
|
{
|
712 |
|
|
printk("qlogicisp : interrupt %d already in use\n",
|
713 |
|
|
host->irq);
|
714 |
|
|
goto fail_uninit;
|
715 |
|
|
}
|
716 |
|
|
|
717 |
|
|
isp_outw(0x0, host, PCI_SEMAPHORE);
|
718 |
|
|
isp_outw(HCCR_CLEAR_RISC_INTR, host, HOST_HCCR);
|
719 |
|
|
isp1020_enable_irqs(host);
|
720 |
|
|
|
721 |
|
|
hosts++;
|
722 |
|
|
continue;
|
723 |
|
|
|
724 |
|
|
fail_uninit:
|
725 |
|
|
if (hostdata->memaddr) iounmap((void *)hostdata->memaddr);
|
726 |
|
|
if (host->io_port) release_region(host->io_port, 0xff);
|
727 |
|
|
fail_and_unregister:
|
728 |
|
|
if (hostdata->res_cpu)
|
729 |
|
|
pci_free_consistent(hostdata->pci_dev,
|
730 |
|
|
QSIZE(RES_QUEUE_LEN),
|
731 |
|
|
hostdata->res_cpu,
|
732 |
|
|
hostdata->res_dma);
|
733 |
|
|
if (hostdata->req_cpu)
|
734 |
|
|
pci_free_consistent(hostdata->pci_dev,
|
735 |
|
|
QSIZE(QLOGICISP_REQ_QUEUE_LEN),
|
736 |
|
|
hostdata->req_cpu,
|
737 |
|
|
hostdata->req_dma);
|
738 |
|
|
scsi_unregister(host);
|
739 |
|
|
}
|
740 |
|
|
|
741 |
|
|
LEAVE("isp1020_detect");
|
742 |
|
|
|
743 |
|
|
return hosts;
|
744 |
|
|
}
|
745 |
|
|
|
746 |
|
|
|
747 |
|
|
int isp1020_release(struct Scsi_Host *host)
|
748 |
|
|
{
|
749 |
|
|
struct isp1020_hostdata *hostdata;
|
750 |
|
|
|
751 |
|
|
ENTER("isp1020_release");
|
752 |
|
|
|
753 |
|
|
hostdata = (struct isp1020_hostdata *) host->hostdata;
|
754 |
|
|
|
755 |
|
|
isp_outw(0x0, host, PCI_INTF_CTL);
|
756 |
|
|
free_irq(host->irq, host);
|
757 |
|
|
|
758 |
|
|
if (hostdata->memaddr) iounmap((void *)hostdata->memaddr);
|
759 |
|
|
|
760 |
|
|
if (host->io_port) release_region(host->io_port, 0xff);
|
761 |
|
|
|
762 |
|
|
LEAVE("isp1020_release");
|
763 |
|
|
|
764 |
|
|
return 0;
|
765 |
|
|
}
|
766 |
|
|
|
767 |
|
|
|
768 |
|
|
const char *isp1020_info(struct Scsi_Host *host)
|
769 |
|
|
{
|
770 |
|
|
static char buf[80];
|
771 |
|
|
struct isp1020_hostdata *hostdata;
|
772 |
|
|
|
773 |
|
|
ENTER("isp1020_info");
|
774 |
|
|
|
775 |
|
|
hostdata = (struct isp1020_hostdata *) host->hostdata;
|
776 |
|
|
sprintf(buf,
|
777 |
|
|
"QLogic ISP1020 SCSI on PCI bus %02x device %02x irq %d %s base 0x%lx",
|
778 |
|
|
hostdata->pci_dev->bus->number, hostdata->pci_dev->devfn, host->irq,
|
779 |
|
|
(hostdata->memaddr ? "MEM" : "I/O"),
|
780 |
|
|
(hostdata->memaddr ? hostdata->memaddr : host->io_port));
|
781 |
|
|
|
782 |
|
|
LEAVE("isp1020_info");
|
783 |
|
|
|
784 |
|
|
return buf;
|
785 |
|
|
}
|
786 |
|
|
|
787 |
|
|
|
788 |
|
|
/*
|
789 |
|
|
* The middle SCSI layer ensures that queuecommand never gets invoked
|
790 |
|
|
* concurrently with itself or the interrupt handler (though the
|
791 |
|
|
* interrupt handler may call this routine as part of
|
792 |
|
|
* request-completion handling).
|
793 |
|
|
*/
|
794 |
|
|
int isp1020_queuecommand(Scsi_Cmnd *Cmnd, void (*done)(Scsi_Cmnd *))
|
795 |
|
|
{
|
796 |
|
|
int i, n, num_free;
|
797 |
|
|
u_int in_ptr, out_ptr;
|
798 |
|
|
struct dataseg * ds;
|
799 |
|
|
struct scatterlist *sg;
|
800 |
|
|
struct Command_Entry *cmd;
|
801 |
|
|
struct Continuation_Entry *cont;
|
802 |
|
|
struct Scsi_Host *host;
|
803 |
|
|
struct isp1020_hostdata *hostdata;
|
804 |
|
|
dma_addr_t dma_addr;
|
805 |
|
|
|
806 |
|
|
ENTER("isp1020_queuecommand");
|
807 |
|
|
|
808 |
|
|
host = Cmnd->host;
|
809 |
|
|
hostdata = (struct isp1020_hostdata *) host->hostdata;
|
810 |
|
|
Cmnd->scsi_done = done;
|
811 |
|
|
|
812 |
|
|
DEBUG(isp1020_print_scsi_cmd(Cmnd));
|
813 |
|
|
|
814 |
|
|
out_ptr = isp_inw(host, + MBOX4);
|
815 |
|
|
in_ptr = hostdata->req_in_ptr;
|
816 |
|
|
|
817 |
|
|
DEBUG(printk("qlogicisp : request queue depth %d\n",
|
818 |
|
|
REQ_QUEUE_DEPTH(in_ptr, out_ptr)));
|
819 |
|
|
|
820 |
|
|
cmd = (struct Command_Entry *) &hostdata->req_cpu[in_ptr];
|
821 |
|
|
in_ptr = (in_ptr + 1) & QLOGICISP_REQ_QUEUE_LEN;
|
822 |
|
|
if (in_ptr == out_ptr) {
|
823 |
|
|
printk("qlogicisp : request queue overflow\n");
|
824 |
|
|
return 1;
|
825 |
|
|
}
|
826 |
|
|
|
827 |
|
|
if (hostdata->send_marker) {
|
828 |
|
|
struct Marker_Entry *marker;
|
829 |
|
|
|
830 |
|
|
TRACE("queue marker", in_ptr, 0);
|
831 |
|
|
|
832 |
|
|
DEBUG(printk("qlogicisp : adding marker entry\n"));
|
833 |
|
|
marker = (struct Marker_Entry *) cmd;
|
834 |
|
|
memset(marker, 0, sizeof(struct Marker_Entry));
|
835 |
|
|
|
836 |
|
|
marker->hdr.entry_type = ENTRY_MARKER;
|
837 |
|
|
marker->hdr.entry_cnt = 1;
|
838 |
|
|
marker->modifier = SYNC_ALL;
|
839 |
|
|
|
840 |
|
|
hostdata->send_marker = 0;
|
841 |
|
|
|
842 |
|
|
if (((in_ptr + 1) & QLOGICISP_REQ_QUEUE_LEN) == out_ptr) {
|
843 |
|
|
isp_outw(in_ptr, host, MBOX4);
|
844 |
|
|
hostdata->req_in_ptr = in_ptr;
|
845 |
|
|
printk("qlogicisp : request queue overflow\n");
|
846 |
|
|
return 1;
|
847 |
|
|
}
|
848 |
|
|
cmd = (struct Command_Entry *) &hostdata->req_cpu[in_ptr];
|
849 |
|
|
in_ptr = (in_ptr + 1) & QLOGICISP_REQ_QUEUE_LEN;
|
850 |
|
|
}
|
851 |
|
|
|
852 |
|
|
TRACE("queue command", in_ptr, Cmnd);
|
853 |
|
|
|
854 |
|
|
memset(cmd, 0, sizeof(struct Command_Entry));
|
855 |
|
|
|
856 |
|
|
cmd->hdr.entry_type = ENTRY_COMMAND;
|
857 |
|
|
cmd->hdr.entry_cnt = 1;
|
858 |
|
|
|
859 |
|
|
cmd->target_lun = Cmnd->lun;
|
860 |
|
|
cmd->target_id = Cmnd->target;
|
861 |
|
|
cmd->cdb_length = cpu_to_le16(Cmnd->cmd_len);
|
862 |
|
|
cmd->control_flags = cpu_to_le16(CFLAG_READ | CFLAG_WRITE);
|
863 |
|
|
cmd->time_out = cpu_to_le16(30);
|
864 |
|
|
|
865 |
|
|
memcpy(cmd->cdb, Cmnd->cmnd, Cmnd->cmd_len);
|
866 |
|
|
|
867 |
|
|
if (Cmnd->use_sg) {
|
868 |
|
|
int sg_count;
|
869 |
|
|
|
870 |
|
|
sg = (struct scatterlist *) Cmnd->request_buffer;
|
871 |
|
|
ds = cmd->dataseg;
|
872 |
|
|
|
873 |
|
|
sg_count = pci_map_sg(hostdata->pci_dev, sg, Cmnd->use_sg,
|
874 |
|
|
scsi_to_pci_dma_dir(Cmnd->sc_data_direction));
|
875 |
|
|
|
876 |
|
|
cmd->segment_cnt = cpu_to_le16(sg_count);
|
877 |
|
|
|
878 |
|
|
/* fill in first four sg entries: */
|
879 |
|
|
n = sg_count;
|
880 |
|
|
if (n > IOCB_SEGS)
|
881 |
|
|
n = IOCB_SEGS;
|
882 |
|
|
for (i = 0; i < n; i++) {
|
883 |
|
|
dma_addr = sg_dma_address(sg);
|
884 |
|
|
ds[i].d_base = cpu_to_le32((u32) dma_addr);
|
885 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
886 |
|
|
ds[i].d_base_hi = cpu_to_le32((u32) (dma_addr>>32));
|
887 |
|
|
#endif /* CONFIG_QL_ISP_A64 */
|
888 |
|
|
ds[i].d_count = cpu_to_le32(sg_dma_len(sg));
|
889 |
|
|
++sg;
|
890 |
|
|
}
|
891 |
|
|
sg_count -= IOCB_SEGS;
|
892 |
|
|
|
893 |
|
|
while (sg_count > 0) {
|
894 |
|
|
++cmd->hdr.entry_cnt;
|
895 |
|
|
cont = (struct Continuation_Entry *)
|
896 |
|
|
&hostdata->req_cpu[in_ptr];
|
897 |
|
|
in_ptr = (in_ptr + 1) & QLOGICISP_REQ_QUEUE_LEN;
|
898 |
|
|
if (in_ptr == out_ptr) {
|
899 |
|
|
printk("isp1020: unexpected request queue "
|
900 |
|
|
"overflow\n");
|
901 |
|
|
return 1;
|
902 |
|
|
}
|
903 |
|
|
TRACE("queue continuation", in_ptr, 0);
|
904 |
|
|
cont->hdr.entry_type = ENTRY_CONTINUATION;
|
905 |
|
|
cont->hdr.entry_cnt = 0;
|
906 |
|
|
cont->hdr.sys_def_1 = 0;
|
907 |
|
|
cont->hdr.flags = 0;
|
908 |
|
|
#ifndef CONFIG_QL_ISP_A64
|
909 |
|
|
cont->reserved = 0;
|
910 |
|
|
#endif
|
911 |
|
|
ds = cont->dataseg;
|
912 |
|
|
n = sg_count;
|
913 |
|
|
if (n > CONTINUATION_SEGS)
|
914 |
|
|
n = CONTINUATION_SEGS;
|
915 |
|
|
for (i = 0; i < n; ++i) {
|
916 |
|
|
dma_addr = sg_dma_address(sg);
|
917 |
|
|
ds[i].d_base = cpu_to_le32((u32) dma_addr);
|
918 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
919 |
|
|
ds[i].d_base_hi = cpu_to_le32((u32)(dma_addr>>32));
|
920 |
|
|
#endif /* CONFIG_QL_ISP_A64 */
|
921 |
|
|
ds[i].d_count = cpu_to_le32(sg_dma_len(sg));
|
922 |
|
|
++sg;
|
923 |
|
|
}
|
924 |
|
|
sg_count -= n;
|
925 |
|
|
}
|
926 |
|
|
} else if (Cmnd->request_bufflen) {
|
927 |
|
|
/*Cmnd->SCp.ptr = (char *)(unsigned long)*/
|
928 |
|
|
dma_addr = pci_map_single(hostdata->pci_dev,
|
929 |
|
|
Cmnd->request_buffer,
|
930 |
|
|
Cmnd->request_bufflen,
|
931 |
|
|
scsi_to_pci_dma_dir(Cmnd->sc_data_direction));
|
932 |
|
|
Cmnd->SCp.ptr = (char *)(unsigned long) dma_addr;
|
933 |
|
|
|
934 |
|
|
cmd->dataseg[0].d_base =
|
935 |
|
|
cpu_to_le32((u32) dma_addr);
|
936 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
937 |
|
|
cmd->dataseg[0].d_base_hi =
|
938 |
|
|
cpu_to_le32((u32) (dma_addr>>32));
|
939 |
|
|
#endif /* CONFIG_QL_ISP_A64 */
|
940 |
|
|
cmd->dataseg[0].d_count =
|
941 |
|
|
cpu_to_le32((u32)Cmnd->request_bufflen);
|
942 |
|
|
cmd->segment_cnt = cpu_to_le16(1);
|
943 |
|
|
} else {
|
944 |
|
|
cmd->dataseg[0].d_base = 0;
|
945 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
946 |
|
|
cmd->dataseg[0].d_base_hi = 0;
|
947 |
|
|
#endif /* CONFIG_QL_ISP_A64 */
|
948 |
|
|
cmd->dataseg[0].d_count = 0;
|
949 |
|
|
cmd->segment_cnt = cpu_to_le16(1); /* Shouldn't this be 0? */
|
950 |
|
|
}
|
951 |
|
|
|
952 |
|
|
/* Committed, record Scsi_Cmd so we can find it later. */
|
953 |
|
|
cmd->handle = in_ptr;
|
954 |
|
|
hostdata->cmd_slots[in_ptr] = Cmnd;
|
955 |
|
|
|
956 |
|
|
isp_outw(in_ptr, host, MBOX4);
|
957 |
|
|
hostdata->req_in_ptr = in_ptr;
|
958 |
|
|
|
959 |
|
|
num_free = QLOGICISP_REQ_QUEUE_LEN - REQ_QUEUE_DEPTH(in_ptr, out_ptr);
|
960 |
|
|
host->can_queue = host->host_busy + num_free;
|
961 |
|
|
host->sg_tablesize = QLOGICISP_MAX_SG(num_free);
|
962 |
|
|
|
963 |
|
|
LEAVE("isp1020_queuecommand");
|
964 |
|
|
|
965 |
|
|
return 0;
|
966 |
|
|
}
|
967 |
|
|
|
968 |
|
|
|
969 |
|
|
#define ASYNC_EVENT_INTERRUPT 0x01
|
970 |
|
|
|
971 |
|
|
void do_isp1020_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
|
972 |
|
|
{
|
973 |
|
|
unsigned long flags;
|
974 |
|
|
|
975 |
|
|
spin_lock_irqsave(&io_request_lock, flags);
|
976 |
|
|
isp1020_intr_handler(irq, dev_id, regs);
|
977 |
|
|
spin_unlock_irqrestore(&io_request_lock, flags);
|
978 |
|
|
}
|
979 |
|
|
|
980 |
|
|
void isp1020_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
|
981 |
|
|
{
|
982 |
|
|
Scsi_Cmnd *Cmnd;
|
983 |
|
|
struct Status_Entry *sts;
|
984 |
|
|
struct Scsi_Host *host = dev_id;
|
985 |
|
|
struct isp1020_hostdata *hostdata;
|
986 |
|
|
u_int in_ptr, out_ptr;
|
987 |
|
|
u_short status;
|
988 |
|
|
|
989 |
|
|
ENTER_INTR("isp1020_intr_handler");
|
990 |
|
|
|
991 |
|
|
hostdata = (struct isp1020_hostdata *) host->hostdata;
|
992 |
|
|
|
993 |
|
|
DEBUG_INTR(printk("qlogicisp : interrupt on line %d\n", irq));
|
994 |
|
|
|
995 |
|
|
if (!(isp_inw(host, PCI_INTF_STS) & 0x04)) {
|
996 |
|
|
/* spurious interrupts can happen legally */
|
997 |
|
|
DEBUG_INTR(printk("qlogicisp: got spurious interrupt\n"));
|
998 |
|
|
return;
|
999 |
|
|
}
|
1000 |
|
|
in_ptr = isp_inw(host, MBOX5);
|
1001 |
|
|
isp_outw(HCCR_CLEAR_RISC_INTR, host, HOST_HCCR);
|
1002 |
|
|
|
1003 |
|
|
if ((isp_inw(host, PCI_SEMAPHORE) & ASYNC_EVENT_INTERRUPT)) {
|
1004 |
|
|
status = isp_inw(host, MBOX0);
|
1005 |
|
|
|
1006 |
|
|
DEBUG_INTR(printk("qlogicisp : mbox completion status: %x\n",
|
1007 |
|
|
status));
|
1008 |
|
|
|
1009 |
|
|
switch (status) {
|
1010 |
|
|
case ASYNC_SCSI_BUS_RESET:
|
1011 |
|
|
case EXECUTION_TIMEOUT_RESET:
|
1012 |
|
|
hostdata->send_marker = 1;
|
1013 |
|
|
break;
|
1014 |
|
|
case INVALID_COMMAND:
|
1015 |
|
|
case HOST_INTERFACE_ERROR:
|
1016 |
|
|
case COMMAND_ERROR:
|
1017 |
|
|
case COMMAND_PARAM_ERROR:
|
1018 |
|
|
printk("qlogicisp : bad mailbox return status\n");
|
1019 |
|
|
break;
|
1020 |
|
|
}
|
1021 |
|
|
isp_outw(0x0, host, PCI_SEMAPHORE);
|
1022 |
|
|
}
|
1023 |
|
|
out_ptr = hostdata->res_out_ptr;
|
1024 |
|
|
|
1025 |
|
|
DEBUG_INTR(printk("qlogicisp : response queue update\n"));
|
1026 |
|
|
DEBUG_INTR(printk("qlogicisp : response queue depth %d\n",
|
1027 |
|
|
QUEUE_DEPTH(in_ptr, out_ptr, RES_QUEUE_LEN)));
|
1028 |
|
|
|
1029 |
|
|
while (out_ptr != in_ptr) {
|
1030 |
|
|
u_int cmd_slot;
|
1031 |
|
|
|
1032 |
|
|
sts = (struct Status_Entry *) &hostdata->res_cpu[out_ptr];
|
1033 |
|
|
out_ptr = (out_ptr + 1) & RES_QUEUE_LEN;
|
1034 |
|
|
|
1035 |
|
|
cmd_slot = sts->handle;
|
1036 |
|
|
Cmnd = hostdata->cmd_slots[cmd_slot];
|
1037 |
|
|
hostdata->cmd_slots[cmd_slot] = NULL;
|
1038 |
|
|
|
1039 |
|
|
TRACE("done", out_ptr, Cmnd);
|
1040 |
|
|
|
1041 |
|
|
if (le16_to_cpu(sts->completion_status) == CS_RESET_OCCURRED
|
1042 |
|
|
|| le16_to_cpu(sts->completion_status) == CS_ABORTED
|
1043 |
|
|
|| (le16_to_cpu(sts->status_flags) & STF_BUS_RESET))
|
1044 |
|
|
hostdata->send_marker = 1;
|
1045 |
|
|
|
1046 |
|
|
if (le16_to_cpu(sts->state_flags) & SF_GOT_SENSE)
|
1047 |
|
|
memcpy(Cmnd->sense_buffer, sts->req_sense_data,
|
1048 |
|
|
sizeof(Cmnd->sense_buffer));
|
1049 |
|
|
|
1050 |
|
|
DEBUG_INTR(isp1020_print_status_entry(sts));
|
1051 |
|
|
|
1052 |
|
|
if (sts->hdr.entry_type == ENTRY_STATUS)
|
1053 |
|
|
Cmnd->result = isp1020_return_status(sts);
|
1054 |
|
|
else
|
1055 |
|
|
Cmnd->result = DID_ERROR << 16;
|
1056 |
|
|
|
1057 |
|
|
if (Cmnd->use_sg)
|
1058 |
|
|
pci_unmap_sg(hostdata->pci_dev,
|
1059 |
|
|
(struct scatterlist *)Cmnd->buffer,
|
1060 |
|
|
Cmnd->use_sg,
|
1061 |
|
|
scsi_to_pci_dma_dir(Cmnd->sc_data_direction));
|
1062 |
|
|
else if (Cmnd->request_bufflen)
|
1063 |
|
|
pci_unmap_single(hostdata->pci_dev,
|
1064 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
1065 |
|
|
(dma_addr_t)((long)Cmnd->SCp.ptr),
|
1066 |
|
|
#else
|
1067 |
|
|
(u32)((long)Cmnd->SCp.ptr),
|
1068 |
|
|
#endif
|
1069 |
|
|
Cmnd->request_bufflen,
|
1070 |
|
|
scsi_to_pci_dma_dir(Cmnd->sc_data_direction));
|
1071 |
|
|
|
1072 |
|
|
isp_outw(out_ptr, host, MBOX5);
|
1073 |
|
|
(*Cmnd->scsi_done)(Cmnd);
|
1074 |
|
|
}
|
1075 |
|
|
hostdata->res_out_ptr = out_ptr;
|
1076 |
|
|
|
1077 |
|
|
LEAVE_INTR("isp1020_intr_handler");
|
1078 |
|
|
}
|
1079 |
|
|
|
1080 |
|
|
|
1081 |
|
|
static int isp1020_return_status(struct Status_Entry *sts)
|
1082 |
|
|
{
|
1083 |
|
|
int host_status = DID_ERROR;
|
1084 |
|
|
#if DEBUG_ISP1020_INTR
|
1085 |
|
|
static char *reason[] = {
|
1086 |
|
|
"DID_OK",
|
1087 |
|
|
"DID_NO_CONNECT",
|
1088 |
|
|
"DID_BUS_BUSY",
|
1089 |
|
|
"DID_TIME_OUT",
|
1090 |
|
|
"DID_BAD_TARGET",
|
1091 |
|
|
"DID_ABORT",
|
1092 |
|
|
"DID_PARITY",
|
1093 |
|
|
"DID_ERROR",
|
1094 |
|
|
"DID_RESET",
|
1095 |
|
|
"DID_BAD_INTR"
|
1096 |
|
|
};
|
1097 |
|
|
#endif /* DEBUG_ISP1020_INTR */
|
1098 |
|
|
|
1099 |
|
|
ENTER("isp1020_return_status");
|
1100 |
|
|
|
1101 |
|
|
DEBUG(printk("qlogicisp : completion status = 0x%04x\n",
|
1102 |
|
|
le16_to_cpu(sts->completion_status)));
|
1103 |
|
|
|
1104 |
|
|
switch(le16_to_cpu(sts->completion_status)) {
|
1105 |
|
|
case CS_COMPLETE:
|
1106 |
|
|
host_status = DID_OK;
|
1107 |
|
|
break;
|
1108 |
|
|
case CS_INCOMPLETE:
|
1109 |
|
|
if (!(le16_to_cpu(sts->state_flags) & SF_GOT_BUS))
|
1110 |
|
|
host_status = DID_NO_CONNECT;
|
1111 |
|
|
else if (!(le16_to_cpu(sts->state_flags) & SF_GOT_TARGET))
|
1112 |
|
|
host_status = DID_BAD_TARGET;
|
1113 |
|
|
else if (!(le16_to_cpu(sts->state_flags) & SF_SENT_CDB))
|
1114 |
|
|
host_status = DID_ERROR;
|
1115 |
|
|
else if (!(le16_to_cpu(sts->state_flags) & SF_TRANSFERRED_DATA))
|
1116 |
|
|
host_status = DID_ERROR;
|
1117 |
|
|
else if (!(le16_to_cpu(sts->state_flags) & SF_GOT_STATUS))
|
1118 |
|
|
host_status = DID_ERROR;
|
1119 |
|
|
else if (!(le16_to_cpu(sts->state_flags) & SF_GOT_SENSE))
|
1120 |
|
|
host_status = DID_ERROR;
|
1121 |
|
|
break;
|
1122 |
|
|
case CS_DMA_ERROR:
|
1123 |
|
|
case CS_TRANSPORT_ERROR:
|
1124 |
|
|
host_status = DID_ERROR;
|
1125 |
|
|
break;
|
1126 |
|
|
case CS_RESET_OCCURRED:
|
1127 |
|
|
host_status = DID_RESET;
|
1128 |
|
|
break;
|
1129 |
|
|
case CS_ABORTED:
|
1130 |
|
|
host_status = DID_ABORT;
|
1131 |
|
|
break;
|
1132 |
|
|
case CS_TIMEOUT:
|
1133 |
|
|
host_status = DID_TIME_OUT;
|
1134 |
|
|
break;
|
1135 |
|
|
case CS_DATA_OVERRUN:
|
1136 |
|
|
case CS_COMMAND_OVERRUN:
|
1137 |
|
|
case CS_STATUS_OVERRUN:
|
1138 |
|
|
case CS_BAD_MESSAGE:
|
1139 |
|
|
case CS_NO_MESSAGE_OUT:
|
1140 |
|
|
case CS_EXT_ID_FAILED:
|
1141 |
|
|
case CS_IDE_MSG_FAILED:
|
1142 |
|
|
case CS_ABORT_MSG_FAILED:
|
1143 |
|
|
case CS_NOP_MSG_FAILED:
|
1144 |
|
|
case CS_PARITY_ERROR_MSG_FAILED:
|
1145 |
|
|
case CS_DEVICE_RESET_MSG_FAILED:
|
1146 |
|
|
case CS_ID_MSG_FAILED:
|
1147 |
|
|
case CS_UNEXP_BUS_FREE:
|
1148 |
|
|
host_status = DID_ERROR;
|
1149 |
|
|
break;
|
1150 |
|
|
case CS_DATA_UNDERRUN:
|
1151 |
|
|
host_status = DID_OK;
|
1152 |
|
|
break;
|
1153 |
|
|
default:
|
1154 |
|
|
printk("qlogicisp : unknown completion status 0x%04x\n",
|
1155 |
|
|
le16_to_cpu(sts->completion_status));
|
1156 |
|
|
host_status = DID_ERROR;
|
1157 |
|
|
break;
|
1158 |
|
|
}
|
1159 |
|
|
|
1160 |
|
|
DEBUG_INTR(printk("qlogicisp : host status (%s) scsi status %x\n",
|
1161 |
|
|
reason[host_status], le16_to_cpu(sts->scsi_status)));
|
1162 |
|
|
|
1163 |
|
|
LEAVE("isp1020_return_status");
|
1164 |
|
|
|
1165 |
|
|
return (le16_to_cpu(sts->scsi_status) & STATUS_MASK) | (host_status << 16);
|
1166 |
|
|
}
|
1167 |
|
|
|
1168 |
|
|
|
1169 |
|
|
int isp1020_abort(Scsi_Cmnd *Cmnd)
|
1170 |
|
|
{
|
1171 |
|
|
u_short param[6];
|
1172 |
|
|
struct Scsi_Host *host;
|
1173 |
|
|
struct isp1020_hostdata *hostdata;
|
1174 |
|
|
int return_status = SCSI_ABORT_SUCCESS;
|
1175 |
|
|
u_int cmd_cookie;
|
1176 |
|
|
int i;
|
1177 |
|
|
|
1178 |
|
|
ENTER("isp1020_abort");
|
1179 |
|
|
|
1180 |
|
|
host = Cmnd->host;
|
1181 |
|
|
hostdata = (struct isp1020_hostdata *) host->hostdata;
|
1182 |
|
|
|
1183 |
|
|
for (i = 0; i < QLOGICISP_REQ_QUEUE_LEN + 1; i++)
|
1184 |
|
|
if (hostdata->cmd_slots[i] == Cmnd)
|
1185 |
|
|
break;
|
1186 |
|
|
cmd_cookie = i;
|
1187 |
|
|
|
1188 |
|
|
isp1020_disable_irqs(host);
|
1189 |
|
|
|
1190 |
|
|
param[0] = MBOX_ABORT;
|
1191 |
|
|
param[1] = (((u_short) Cmnd->target) << 8) | Cmnd->lun;
|
1192 |
|
|
param[2] = cmd_cookie >> 16;
|
1193 |
|
|
param[3] = cmd_cookie & 0xffff;
|
1194 |
|
|
|
1195 |
|
|
isp1020_mbox_command(host, param);
|
1196 |
|
|
|
1197 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1198 |
|
|
printk("qlogicisp : scsi abort failure: %x\n", param[0]);
|
1199 |
|
|
return_status = SCSI_ABORT_ERROR;
|
1200 |
|
|
}
|
1201 |
|
|
|
1202 |
|
|
isp1020_enable_irqs(host);
|
1203 |
|
|
|
1204 |
|
|
LEAVE("isp1020_abort");
|
1205 |
|
|
|
1206 |
|
|
return return_status;
|
1207 |
|
|
}
|
1208 |
|
|
|
1209 |
|
|
|
1210 |
|
|
int isp1020_reset(Scsi_Cmnd *Cmnd, unsigned int reset_flags)
|
1211 |
|
|
{
|
1212 |
|
|
u_short param[6];
|
1213 |
|
|
struct Scsi_Host *host;
|
1214 |
|
|
struct isp1020_hostdata *hostdata;
|
1215 |
|
|
int return_status = SCSI_RESET_SUCCESS;
|
1216 |
|
|
|
1217 |
|
|
ENTER("isp1020_reset");
|
1218 |
|
|
|
1219 |
|
|
host = Cmnd->host;
|
1220 |
|
|
hostdata = (struct isp1020_hostdata *) host->hostdata;
|
1221 |
|
|
|
1222 |
|
|
param[0] = MBOX_BUS_RESET;
|
1223 |
|
|
param[1] = hostdata->host_param.bus_reset_delay;
|
1224 |
|
|
|
1225 |
|
|
isp1020_disable_irqs(host);
|
1226 |
|
|
|
1227 |
|
|
isp1020_mbox_command(host, param);
|
1228 |
|
|
|
1229 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1230 |
|
|
printk("qlogicisp : scsi bus reset failure: %x\n", param[0]);
|
1231 |
|
|
return_status = SCSI_RESET_ERROR;
|
1232 |
|
|
}
|
1233 |
|
|
|
1234 |
|
|
isp1020_enable_irqs(host);
|
1235 |
|
|
|
1236 |
|
|
LEAVE("isp1020_reset");
|
1237 |
|
|
|
1238 |
|
|
return return_status;;
|
1239 |
|
|
}
|
1240 |
|
|
|
1241 |
|
|
|
1242 |
|
|
int isp1020_biosparam(Disk *disk, kdev_t n, int ip[])
|
1243 |
|
|
{
|
1244 |
|
|
int size = disk->capacity;
|
1245 |
|
|
|
1246 |
|
|
ENTER("isp1020_biosparam");
|
1247 |
|
|
|
1248 |
|
|
ip[0] = 64;
|
1249 |
|
|
ip[1] = 32;
|
1250 |
|
|
ip[2] = size >> 11;
|
1251 |
|
|
if (ip[2] > 1024) {
|
1252 |
|
|
ip[0] = 255;
|
1253 |
|
|
ip[1] = 63;
|
1254 |
|
|
ip[2] = size / (ip[0] * ip[1]);
|
1255 |
|
|
#if 0
|
1256 |
|
|
if (ip[2] > 1023)
|
1257 |
|
|
ip[2] = 1023;
|
1258 |
|
|
#endif
|
1259 |
|
|
}
|
1260 |
|
|
|
1261 |
|
|
LEAVE("isp1020_biosparam");
|
1262 |
|
|
|
1263 |
|
|
return 0;
|
1264 |
|
|
}
|
1265 |
|
|
|
1266 |
|
|
|
1267 |
|
|
static int isp1020_reset_hardware(struct Scsi_Host *host)
|
1268 |
|
|
{
|
1269 |
|
|
u_short param[6];
|
1270 |
|
|
int loop_count;
|
1271 |
|
|
|
1272 |
|
|
ENTER("isp1020_reset_hardware");
|
1273 |
|
|
|
1274 |
|
|
isp_outw(ISP_RESET, host, PCI_INTF_CTL);
|
1275 |
|
|
udelay(100);
|
1276 |
|
|
isp_outw(HCCR_RESET, host, HOST_HCCR);
|
1277 |
|
|
udelay(100);
|
1278 |
|
|
isp_outw(HCCR_RELEASE, host, HOST_HCCR);
|
1279 |
|
|
isp_outw(HCCR_BIOS_DISABLE, host, HOST_HCCR);
|
1280 |
|
|
|
1281 |
|
|
loop_count = DEFAULT_LOOP_COUNT;
|
1282 |
|
|
while (--loop_count && isp_inw(host, HOST_HCCR) == RISC_BUSY) {
|
1283 |
|
|
barrier();
|
1284 |
|
|
cpu_relax();
|
1285 |
|
|
}
|
1286 |
|
|
if (!loop_count)
|
1287 |
|
|
printk("qlogicisp: reset_hardware loop timeout\n");
|
1288 |
|
|
|
1289 |
|
|
isp_outw(0, host, ISP_CFG1);
|
1290 |
|
|
|
1291 |
|
|
#if DEBUG_ISP1020
|
1292 |
|
|
printk("qlogicisp : mbox 0 0x%04x \n", isp_inw(host, MBOX0));
|
1293 |
|
|
printk("qlogicisp : mbox 1 0x%04x \n", isp_inw(host, MBOX1));
|
1294 |
|
|
printk("qlogicisp : mbox 2 0x%04x \n", isp_inw(host, MBOX2));
|
1295 |
|
|
printk("qlogicisp : mbox 3 0x%04x \n", isp_inw(host, MBOX3));
|
1296 |
|
|
printk("qlogicisp : mbox 4 0x%04x \n", isp_inw(host, MBOX4));
|
1297 |
|
|
printk("qlogicisp : mbox 5 0x%04x \n", isp_inw(host, MBOX5));
|
1298 |
|
|
#endif /* DEBUG_ISP1020 */
|
1299 |
|
|
|
1300 |
|
|
param[0] = MBOX_NO_OP;
|
1301 |
|
|
isp1020_mbox_command(host, param);
|
1302 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1303 |
|
|
printk("qlogicisp : NOP test failed\n");
|
1304 |
|
|
return 1;
|
1305 |
|
|
}
|
1306 |
|
|
|
1307 |
|
|
DEBUG(printk("qlogicisp : loading risc ram\n"));
|
1308 |
|
|
|
1309 |
|
|
#if RELOAD_FIRMWARE
|
1310 |
|
|
for (loop_count = 0; loop_count < risc_code_length01; loop_count++) {
|
1311 |
|
|
param[0] = MBOX_WRITE_RAM_WORD;
|
1312 |
|
|
param[1] = risc_code_addr01 + loop_count;
|
1313 |
|
|
param[2] = risc_code01[loop_count];
|
1314 |
|
|
isp1020_mbox_command(host, param);
|
1315 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1316 |
|
|
printk("qlogicisp : firmware load failure at %d\n",
|
1317 |
|
|
loop_count);
|
1318 |
|
|
return 1;
|
1319 |
|
|
}
|
1320 |
|
|
}
|
1321 |
|
|
#endif /* RELOAD_FIRMWARE */
|
1322 |
|
|
|
1323 |
|
|
DEBUG(printk("qlogicisp : verifying checksum\n"));
|
1324 |
|
|
|
1325 |
|
|
param[0] = MBOX_VERIFY_CHECKSUM;
|
1326 |
|
|
param[1] = risc_code_addr01;
|
1327 |
|
|
|
1328 |
|
|
isp1020_mbox_command(host, param);
|
1329 |
|
|
|
1330 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1331 |
|
|
printk("qlogicisp : ram checksum failure\n");
|
1332 |
|
|
return 1;
|
1333 |
|
|
}
|
1334 |
|
|
|
1335 |
|
|
DEBUG(printk("qlogicisp : executing firmware\n"));
|
1336 |
|
|
|
1337 |
|
|
param[0] = MBOX_EXEC_FIRMWARE;
|
1338 |
|
|
param[1] = risc_code_addr01;
|
1339 |
|
|
|
1340 |
|
|
isp1020_mbox_command(host, param);
|
1341 |
|
|
|
1342 |
|
|
param[0] = MBOX_ABOUT_FIRMWARE;
|
1343 |
|
|
|
1344 |
|
|
isp1020_mbox_command(host, param);
|
1345 |
|
|
|
1346 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1347 |
|
|
printk("qlogicisp : about firmware failure\n");
|
1348 |
|
|
return 1;
|
1349 |
|
|
}
|
1350 |
|
|
|
1351 |
|
|
DEBUG(printk("qlogicisp : firmware major revision %d\n", param[1]));
|
1352 |
|
|
DEBUG(printk("qlogicisp : firmware minor revision %d\n", param[2]));
|
1353 |
|
|
|
1354 |
|
|
LEAVE("isp1020_reset_hardware");
|
1355 |
|
|
|
1356 |
|
|
return 0;
|
1357 |
|
|
}
|
1358 |
|
|
|
1359 |
|
|
|
1360 |
|
|
static int isp1020_init(struct Scsi_Host *sh)
|
1361 |
|
|
{
|
1362 |
|
|
u_long io_base, mem_base, io_flags, mem_flags;
|
1363 |
|
|
struct isp1020_hostdata *hostdata;
|
1364 |
|
|
u_char revision;
|
1365 |
|
|
u_int irq;
|
1366 |
|
|
u_short command;
|
1367 |
|
|
struct pci_dev *pdev;
|
1368 |
|
|
|
1369 |
|
|
ENTER("isp1020_init");
|
1370 |
|
|
|
1371 |
|
|
hostdata = (struct isp1020_hostdata *) sh->hostdata;
|
1372 |
|
|
pdev = hostdata->pci_dev;
|
1373 |
|
|
|
1374 |
|
|
if (pci_read_config_word(pdev, PCI_COMMAND, &command)
|
1375 |
|
|
|| pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision))
|
1376 |
|
|
{
|
1377 |
|
|
printk("qlogicisp : error reading PCI configuration\n");
|
1378 |
|
|
return 1;
|
1379 |
|
|
}
|
1380 |
|
|
|
1381 |
|
|
io_base = pci_resource_start(pdev, 0);
|
1382 |
|
|
mem_base = pci_resource_start(pdev, 1);
|
1383 |
|
|
io_flags = pci_resource_flags(pdev, 0);
|
1384 |
|
|
mem_flags = pci_resource_flags(pdev, 1);
|
1385 |
|
|
irq = pdev->irq;
|
1386 |
|
|
|
1387 |
|
|
if (pdev->vendor != PCI_VENDOR_ID_QLOGIC) {
|
1388 |
|
|
printk("qlogicisp : 0x%04x is not QLogic vendor ID\n",
|
1389 |
|
|
pdev->vendor);
|
1390 |
|
|
return 1;
|
1391 |
|
|
}
|
1392 |
|
|
|
1393 |
|
|
if (pdev->device != PCI_DEVICE_ID_QLOGIC_ISP1020) {
|
1394 |
|
|
printk("qlogicisp : 0x%04x does not match ISP1020 device id\n",
|
1395 |
|
|
pdev->device);
|
1396 |
|
|
return 1;
|
1397 |
|
|
}
|
1398 |
|
|
|
1399 |
|
|
if (!(command & PCI_COMMAND_MASTER)) {
|
1400 |
|
|
printk("qlogicisp : bus mastering is disabled\n");
|
1401 |
|
|
return 1;
|
1402 |
|
|
}
|
1403 |
|
|
|
1404 |
|
|
sh->io_port = io_base;
|
1405 |
|
|
|
1406 |
|
|
/*
|
1407 |
|
|
By default, we choose to use PCI memory-mapped registers,
|
1408 |
|
|
if configured/available.
|
1409 |
|
|
|
1410 |
|
|
NOTE: we only ioremap() if we are going to use PCI
|
1411 |
|
|
memory-mapped registers, or only request_region() if using
|
1412 |
|
|
PCI I/O registers; we never do both anymore.
|
1413 |
|
|
*/
|
1414 |
|
|
if ((command & PCI_COMMAND_MEMORY) &&
|
1415 |
|
|
((mem_flags & 1) == 0)) {
|
1416 |
|
|
mem_base = (u_long) ioremap(mem_base, PAGE_SIZE);
|
1417 |
|
|
if (!mem_base) {
|
1418 |
|
|
printk("qlogicisp : i/o remapping failed.\n");
|
1419 |
|
|
return 1;
|
1420 |
|
|
}
|
1421 |
|
|
hostdata->memaddr = mem_base;
|
1422 |
|
|
sh->io_port = io_base = 0;
|
1423 |
|
|
} else {
|
1424 |
|
|
if (command & PCI_COMMAND_IO && (io_flags & 3) != 1) {
|
1425 |
|
|
printk("qlogicisp : i/o mapping is disabled\n");
|
1426 |
|
|
return 1;
|
1427 |
|
|
}
|
1428 |
|
|
if (!request_region(sh->io_port, 0xff, "qlogicisp")) {
|
1429 |
|
|
printk("qlogicisp : i/o region 0x%lx-0x%lx already "
|
1430 |
|
|
"in use\n",
|
1431 |
|
|
sh->io_port, sh->io_port + 0xff);
|
1432 |
|
|
return 1;
|
1433 |
|
|
}
|
1434 |
|
|
hostdata->memaddr = 0; /* zero to signify no i/o mapping */
|
1435 |
|
|
mem_base = 0;
|
1436 |
|
|
}
|
1437 |
|
|
|
1438 |
|
|
if (revision != ISP1020_REV_ID)
|
1439 |
|
|
printk("qlogicisp : new isp1020 revision ID (%d)\n", revision);
|
1440 |
|
|
|
1441 |
|
|
if (isp_inw(sh, PCI_ID_LOW) != PCI_VENDOR_ID_QLOGIC
|
1442 |
|
|
|| isp_inw(sh, PCI_ID_HIGH) != PCI_DEVICE_ID_QLOGIC_ISP1020)
|
1443 |
|
|
{
|
1444 |
|
|
printk("qlogicisp : can't decode %s address space 0x%lx\n",
|
1445 |
|
|
(io_base ? "I/O" : "MEM"),
|
1446 |
|
|
(io_base ? io_base : mem_base));
|
1447 |
|
|
goto out_unmap;
|
1448 |
|
|
}
|
1449 |
|
|
|
1450 |
|
|
hostdata->revision = revision;
|
1451 |
|
|
|
1452 |
|
|
sh->irq = irq;
|
1453 |
|
|
sh->max_id = MAX_TARGETS;
|
1454 |
|
|
sh->max_lun = MAX_LUNS;
|
1455 |
|
|
|
1456 |
|
|
hostdata->res_cpu = pci_alloc_consistent(hostdata->pci_dev,
|
1457 |
|
|
QSIZE(RES_QUEUE_LEN),
|
1458 |
|
|
&hostdata->res_dma);
|
1459 |
|
|
if (hostdata->res_cpu == NULL) {
|
1460 |
|
|
printk("qlogicisp : can't allocate response queue\n");
|
1461 |
|
|
goto out_unmap;
|
1462 |
|
|
}
|
1463 |
|
|
|
1464 |
|
|
hostdata->req_cpu = pci_alloc_consistent(hostdata->pci_dev,
|
1465 |
|
|
QSIZE(QLOGICISP_REQ_QUEUE_LEN),
|
1466 |
|
|
&hostdata->req_dma);
|
1467 |
|
|
if (hostdata->req_cpu == NULL) {
|
1468 |
|
|
pci_free_consistent(hostdata->pci_dev,
|
1469 |
|
|
QSIZE(RES_QUEUE_LEN),
|
1470 |
|
|
hostdata->res_cpu,
|
1471 |
|
|
hostdata->res_dma);
|
1472 |
|
|
printk("qlogicisp : can't allocate request queue\n");
|
1473 |
|
|
goto out_unmap;
|
1474 |
|
|
}
|
1475 |
|
|
|
1476 |
|
|
LEAVE("isp1020_init");
|
1477 |
|
|
|
1478 |
|
|
return 0;
|
1479 |
|
|
|
1480 |
|
|
out_unmap:
|
1481 |
|
|
if (mem_base) iounmap((void *)hostdata->memaddr);
|
1482 |
|
|
if (io_base) release_region(sh->io_port, 0xff);
|
1483 |
|
|
return 1;
|
1484 |
|
|
}
|
1485 |
|
|
|
1486 |
|
|
|
1487 |
|
|
#if USE_NVRAM_DEFAULTS
|
1488 |
|
|
|
1489 |
|
|
static int isp1020_get_defaults(struct Scsi_Host *host)
|
1490 |
|
|
{
|
1491 |
|
|
int i;
|
1492 |
|
|
u_short value;
|
1493 |
|
|
struct isp1020_hostdata *hostdata =
|
1494 |
|
|
(struct isp1020_hostdata *) host->hostdata;
|
1495 |
|
|
|
1496 |
|
|
ENTER("isp1020_get_defaults");
|
1497 |
|
|
|
1498 |
|
|
if (!isp1020_verify_nvram(host)) {
|
1499 |
|
|
printk("qlogicisp : nvram checksum failure\n");
|
1500 |
|
|
printk("qlogicisp : attempting to use default parameters\n");
|
1501 |
|
|
return isp1020_set_defaults(host);
|
1502 |
|
|
}
|
1503 |
|
|
|
1504 |
|
|
value = isp1020_read_nvram_word(host, 2);
|
1505 |
|
|
hostdata->host_param.fifo_threshold = (value >> 8) & 0x03;
|
1506 |
|
|
hostdata->host_param.host_adapter_enable = (value >> 11) & 0x01;
|
1507 |
|
|
hostdata->host_param.initiator_scsi_id = (value >> 12) & 0x0f;
|
1508 |
|
|
|
1509 |
|
|
value = isp1020_read_nvram_word(host, 3);
|
1510 |
|
|
hostdata->host_param.bus_reset_delay = value & 0xff;
|
1511 |
|
|
hostdata->host_param.retry_count = value >> 8;
|
1512 |
|
|
|
1513 |
|
|
value = isp1020_read_nvram_word(host, 4);
|
1514 |
|
|
hostdata->host_param.retry_delay = value & 0xff;
|
1515 |
|
|
hostdata->host_param.async_data_setup_time = (value >> 8) & 0x0f;
|
1516 |
|
|
hostdata->host_param.req_ack_active_negation = (value >> 12) & 0x01;
|
1517 |
|
|
hostdata->host_param.data_line_active_negation = (value >> 13) & 0x01;
|
1518 |
|
|
hostdata->host_param.data_dma_burst_enable = (value >> 14) & 0x01;
|
1519 |
|
|
hostdata->host_param.command_dma_burst_enable = (value >> 15);
|
1520 |
|
|
|
1521 |
|
|
value = isp1020_read_nvram_word(host, 5);
|
1522 |
|
|
hostdata->host_param.tag_aging = value & 0xff;
|
1523 |
|
|
|
1524 |
|
|
value = isp1020_read_nvram_word(host, 6);
|
1525 |
|
|
hostdata->host_param.selection_timeout = value & 0xffff;
|
1526 |
|
|
|
1527 |
|
|
value = isp1020_read_nvram_word(host, 7);
|
1528 |
|
|
hostdata->host_param.max_queue_depth = value & 0xffff;
|
1529 |
|
|
|
1530 |
|
|
#if DEBUG_ISP1020_SETUP
|
1531 |
|
|
printk("qlogicisp : fifo threshold=%d\n",
|
1532 |
|
|
hostdata->host_param.fifo_threshold);
|
1533 |
|
|
printk("qlogicisp : initiator scsi id=%d\n",
|
1534 |
|
|
hostdata->host_param.initiator_scsi_id);
|
1535 |
|
|
printk("qlogicisp : bus reset delay=%d\n",
|
1536 |
|
|
hostdata->host_param.bus_reset_delay);
|
1537 |
|
|
printk("qlogicisp : retry count=%d\n",
|
1538 |
|
|
hostdata->host_param.retry_count);
|
1539 |
|
|
printk("qlogicisp : retry delay=%d\n",
|
1540 |
|
|
hostdata->host_param.retry_delay);
|
1541 |
|
|
printk("qlogicisp : async data setup time=%d\n",
|
1542 |
|
|
hostdata->host_param.async_data_setup_time);
|
1543 |
|
|
printk("qlogicisp : req/ack active negation=%d\n",
|
1544 |
|
|
hostdata->host_param.req_ack_active_negation);
|
1545 |
|
|
printk("qlogicisp : data line active negation=%d\n",
|
1546 |
|
|
hostdata->host_param.data_line_active_negation);
|
1547 |
|
|
printk("qlogicisp : data DMA burst enable=%d\n",
|
1548 |
|
|
hostdata->host_param.data_dma_burst_enable);
|
1549 |
|
|
printk("qlogicisp : command DMA burst enable=%d\n",
|
1550 |
|
|
hostdata->host_param.command_dma_burst_enable);
|
1551 |
|
|
printk("qlogicisp : tag age limit=%d\n",
|
1552 |
|
|
hostdata->host_param.tag_aging);
|
1553 |
|
|
printk("qlogicisp : selection timeout limit=%d\n",
|
1554 |
|
|
hostdata->host_param.selection_timeout);
|
1555 |
|
|
printk("qlogicisp : max queue depth=%d\n",
|
1556 |
|
|
hostdata->host_param.max_queue_depth);
|
1557 |
|
|
#endif /* DEBUG_ISP1020_SETUP */
|
1558 |
|
|
|
1559 |
|
|
for (i = 0; i < MAX_TARGETS; i++) {
|
1560 |
|
|
|
1561 |
|
|
value = isp1020_read_nvram_word(host, 14 + i * 3);
|
1562 |
|
|
hostdata->dev_param[i].device_flags = value & 0xff;
|
1563 |
|
|
hostdata->dev_param[i].execution_throttle = value >> 8;
|
1564 |
|
|
|
1565 |
|
|
value = isp1020_read_nvram_word(host, 15 + i * 3);
|
1566 |
|
|
hostdata->dev_param[i].synchronous_period = value & 0xff;
|
1567 |
|
|
hostdata->dev_param[i].synchronous_offset = (value >> 8) & 0x0f;
|
1568 |
|
|
hostdata->dev_param[i].device_enable = (value >> 12) & 0x01;
|
1569 |
|
|
|
1570 |
|
|
#if DEBUG_ISP1020_SETUP
|
1571 |
|
|
printk("qlogicisp : target 0x%02x\n", i);
|
1572 |
|
|
printk("qlogicisp : device flags=0x%02x\n",
|
1573 |
|
|
hostdata->dev_param[i].device_flags);
|
1574 |
|
|
printk("qlogicisp : execution throttle=%d\n",
|
1575 |
|
|
hostdata->dev_param[i].execution_throttle);
|
1576 |
|
|
printk("qlogicisp : synchronous period=%d\n",
|
1577 |
|
|
hostdata->dev_param[i].synchronous_period);
|
1578 |
|
|
printk("qlogicisp : synchronous offset=%d\n",
|
1579 |
|
|
hostdata->dev_param[i].synchronous_offset);
|
1580 |
|
|
printk("qlogicisp : device enable=%d\n",
|
1581 |
|
|
hostdata->dev_param[i].device_enable);
|
1582 |
|
|
#endif /* DEBUG_ISP1020_SETUP */
|
1583 |
|
|
}
|
1584 |
|
|
|
1585 |
|
|
LEAVE("isp1020_get_defaults");
|
1586 |
|
|
|
1587 |
|
|
return 0;
|
1588 |
|
|
}
|
1589 |
|
|
|
1590 |
|
|
|
1591 |
|
|
#define ISP1020_NVRAM_LEN 0x40
|
1592 |
|
|
#define ISP1020_NVRAM_SIG1 0x5349
|
1593 |
|
|
#define ISP1020_NVRAM_SIG2 0x2050
|
1594 |
|
|
|
1595 |
|
|
static int isp1020_verify_nvram(struct Scsi_Host *host)
|
1596 |
|
|
{
|
1597 |
|
|
int i;
|
1598 |
|
|
u_short value;
|
1599 |
|
|
u_char checksum = 0;
|
1600 |
|
|
|
1601 |
|
|
for (i = 0; i < ISP1020_NVRAM_LEN; i++) {
|
1602 |
|
|
value = isp1020_read_nvram_word(host, i);
|
1603 |
|
|
|
1604 |
|
|
switch (i) {
|
1605 |
|
|
case 0:
|
1606 |
|
|
if (value != ISP1020_NVRAM_SIG1) return 0;
|
1607 |
|
|
break;
|
1608 |
|
|
case 1:
|
1609 |
|
|
if (value != ISP1020_NVRAM_SIG2) return 0;
|
1610 |
|
|
break;
|
1611 |
|
|
case 2:
|
1612 |
|
|
if ((value & 0xff) != 0x02) return 0;
|
1613 |
|
|
break;
|
1614 |
|
|
}
|
1615 |
|
|
checksum += value & 0xff;
|
1616 |
|
|
checksum += value >> 8;
|
1617 |
|
|
}
|
1618 |
|
|
|
1619 |
|
|
return (checksum == 0);
|
1620 |
|
|
}
|
1621 |
|
|
|
1622 |
|
|
#define NVRAM_DELAY() udelay(2) /* 2 microsecond delay */
|
1623 |
|
|
|
1624 |
|
|
|
1625 |
|
|
u_short isp1020_read_nvram_word(struct Scsi_Host *host, u_short byte)
|
1626 |
|
|
{
|
1627 |
|
|
int i;
|
1628 |
|
|
u_short value, output, input;
|
1629 |
|
|
|
1630 |
|
|
byte &= 0x3f; byte |= 0x0180;
|
1631 |
|
|
|
1632 |
|
|
for (i = 8; i >= 0; i--) {
|
1633 |
|
|
output = ((byte >> i) & 0x1) ? 0x4 : 0x0;
|
1634 |
|
|
isp_outw(output | 0x2, host, PCI_NVRAM); NVRAM_DELAY();
|
1635 |
|
|
isp_outw(output | 0x3, host, PCI_NVRAM); NVRAM_DELAY();
|
1636 |
|
|
isp_outw(output | 0x2, host, PCI_NVRAM); NVRAM_DELAY();
|
1637 |
|
|
}
|
1638 |
|
|
|
1639 |
|
|
for (i = 0xf, value = 0; i >= 0; i--) {
|
1640 |
|
|
value <<= 1;
|
1641 |
|
|
isp_outw(0x3, host, PCI_NVRAM); NVRAM_DELAY();
|
1642 |
|
|
input = isp_inw(host, PCI_NVRAM); NVRAM_DELAY();
|
1643 |
|
|
isp_outw(0x2, host, PCI_NVRAM); NVRAM_DELAY();
|
1644 |
|
|
if (input & 0x8) value |= 1;
|
1645 |
|
|
}
|
1646 |
|
|
|
1647 |
|
|
isp_outw(0x0, host, PCI_NVRAM); NVRAM_DELAY();
|
1648 |
|
|
|
1649 |
|
|
return value;
|
1650 |
|
|
}
|
1651 |
|
|
|
1652 |
|
|
#endif /* USE_NVRAM_DEFAULTS */
|
1653 |
|
|
|
1654 |
|
|
|
1655 |
|
|
static int isp1020_set_defaults(struct Scsi_Host *host)
|
1656 |
|
|
{
|
1657 |
|
|
struct isp1020_hostdata *hostdata =
|
1658 |
|
|
(struct isp1020_hostdata *) host->hostdata;
|
1659 |
|
|
int i;
|
1660 |
|
|
|
1661 |
|
|
ENTER("isp1020_set_defaults");
|
1662 |
|
|
|
1663 |
|
|
hostdata->host_param.fifo_threshold = 2;
|
1664 |
|
|
hostdata->host_param.host_adapter_enable = 1;
|
1665 |
|
|
hostdata->host_param.initiator_scsi_id = 7;
|
1666 |
|
|
hostdata->host_param.bus_reset_delay = 3;
|
1667 |
|
|
hostdata->host_param.retry_count = 0;
|
1668 |
|
|
hostdata->host_param.retry_delay = 1;
|
1669 |
|
|
hostdata->host_param.async_data_setup_time = 6;
|
1670 |
|
|
hostdata->host_param.req_ack_active_negation = 1;
|
1671 |
|
|
hostdata->host_param.data_line_active_negation = 1;
|
1672 |
|
|
hostdata->host_param.data_dma_burst_enable = 1;
|
1673 |
|
|
hostdata->host_param.command_dma_burst_enable = 1;
|
1674 |
|
|
hostdata->host_param.tag_aging = 8;
|
1675 |
|
|
hostdata->host_param.selection_timeout = 250;
|
1676 |
|
|
hostdata->host_param.max_queue_depth = 256;
|
1677 |
|
|
|
1678 |
|
|
for (i = 0; i < MAX_TARGETS; i++) {
|
1679 |
|
|
hostdata->dev_param[i].device_flags = 0xfd;
|
1680 |
|
|
hostdata->dev_param[i].execution_throttle = 16;
|
1681 |
|
|
hostdata->dev_param[i].synchronous_period = 25;
|
1682 |
|
|
hostdata->dev_param[i].synchronous_offset = 12;
|
1683 |
|
|
hostdata->dev_param[i].device_enable = 1;
|
1684 |
|
|
}
|
1685 |
|
|
|
1686 |
|
|
LEAVE("isp1020_set_defaults");
|
1687 |
|
|
|
1688 |
|
|
return 0;
|
1689 |
|
|
}
|
1690 |
|
|
|
1691 |
|
|
|
1692 |
|
|
static int isp1020_load_parameters(struct Scsi_Host *host)
|
1693 |
|
|
{
|
1694 |
|
|
int i, k;
|
1695 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
1696 |
|
|
u_long queue_addr;
|
1697 |
|
|
u_short param[8];
|
1698 |
|
|
#else
|
1699 |
|
|
u_int queue_addr;
|
1700 |
|
|
u_short param[6];
|
1701 |
|
|
#endif
|
1702 |
|
|
u_short isp_cfg1, hwrev;
|
1703 |
|
|
unsigned long flags;
|
1704 |
|
|
struct isp1020_hostdata *hostdata =
|
1705 |
|
|
(struct isp1020_hostdata *) host->hostdata;
|
1706 |
|
|
|
1707 |
|
|
ENTER("isp1020_load_parameters");
|
1708 |
|
|
|
1709 |
|
|
save_flags(flags);
|
1710 |
|
|
cli();
|
1711 |
|
|
|
1712 |
|
|
hwrev = isp_inw(host, ISP_CFG0) & ISP_CFG0_HWMSK;
|
1713 |
|
|
isp_cfg1 = ISP_CFG1_F64 | ISP_CFG1_BENAB;
|
1714 |
|
|
if (hwrev == ISP_CFG0_1040A) {
|
1715 |
|
|
/* Busted fifo, says mjacob. */
|
1716 |
|
|
isp_cfg1 &= ISP_CFG1_BENAB;
|
1717 |
|
|
}
|
1718 |
|
|
|
1719 |
|
|
isp_outw(isp_inw(host, ISP_CFG1) | isp_cfg1, host, ISP_CFG1);
|
1720 |
|
|
isp_outw(isp_inw(host, CDMA_CONF) | DMA_CONF_BENAB, host, CDMA_CONF);
|
1721 |
|
|
isp_outw(isp_inw(host, DDMA_CONF) | DMA_CONF_BENAB, host, DDMA_CONF);
|
1722 |
|
|
|
1723 |
|
|
param[0] = MBOX_SET_INIT_SCSI_ID;
|
1724 |
|
|
param[1] = hostdata->host_param.initiator_scsi_id;
|
1725 |
|
|
|
1726 |
|
|
isp1020_mbox_command(host, param);
|
1727 |
|
|
|
1728 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1729 |
|
|
restore_flags(flags);
|
1730 |
|
|
printk("qlogicisp : set initiator id failure\n");
|
1731 |
|
|
return 1;
|
1732 |
|
|
}
|
1733 |
|
|
|
1734 |
|
|
param[0] = MBOX_SET_RETRY_COUNT;
|
1735 |
|
|
param[1] = hostdata->host_param.retry_count;
|
1736 |
|
|
param[2] = hostdata->host_param.retry_delay;
|
1737 |
|
|
|
1738 |
|
|
isp1020_mbox_command(host, param);
|
1739 |
|
|
|
1740 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1741 |
|
|
restore_flags(flags);
|
1742 |
|
|
printk("qlogicisp : set retry count failure\n");
|
1743 |
|
|
return 1;
|
1744 |
|
|
}
|
1745 |
|
|
|
1746 |
|
|
param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME;
|
1747 |
|
|
param[1] = hostdata->host_param.async_data_setup_time;
|
1748 |
|
|
|
1749 |
|
|
isp1020_mbox_command(host, param);
|
1750 |
|
|
|
1751 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1752 |
|
|
restore_flags(flags);
|
1753 |
|
|
printk("qlogicisp : async data setup time failure\n");
|
1754 |
|
|
return 1;
|
1755 |
|
|
}
|
1756 |
|
|
|
1757 |
|
|
param[0] = MBOX_SET_ACTIVE_NEG_STATE;
|
1758 |
|
|
param[1] = (hostdata->host_param.req_ack_active_negation << 4)
|
1759 |
|
|
| (hostdata->host_param.data_line_active_negation << 5);
|
1760 |
|
|
|
1761 |
|
|
isp1020_mbox_command(host, param);
|
1762 |
|
|
|
1763 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1764 |
|
|
restore_flags(flags);
|
1765 |
|
|
printk("qlogicisp : set active negation state failure\n");
|
1766 |
|
|
return 1;
|
1767 |
|
|
}
|
1768 |
|
|
|
1769 |
|
|
param[0] = MBOX_SET_PCI_CONTROL_PARAMS;
|
1770 |
|
|
param[1] = hostdata->host_param.data_dma_burst_enable << 1;
|
1771 |
|
|
param[2] = hostdata->host_param.command_dma_burst_enable << 1;
|
1772 |
|
|
|
1773 |
|
|
isp1020_mbox_command(host, param);
|
1774 |
|
|
|
1775 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1776 |
|
|
restore_flags(flags);
|
1777 |
|
|
printk("qlogicisp : set pci control parameter failure\n");
|
1778 |
|
|
return 1;
|
1779 |
|
|
}
|
1780 |
|
|
|
1781 |
|
|
param[0] = MBOX_SET_TAG_AGE_LIMIT;
|
1782 |
|
|
param[1] = hostdata->host_param.tag_aging;
|
1783 |
|
|
|
1784 |
|
|
isp1020_mbox_command(host, param);
|
1785 |
|
|
|
1786 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1787 |
|
|
restore_flags(flags);
|
1788 |
|
|
printk("qlogicisp : set tag age limit failure\n");
|
1789 |
|
|
return 1;
|
1790 |
|
|
}
|
1791 |
|
|
|
1792 |
|
|
param[0] = MBOX_SET_SELECT_TIMEOUT;
|
1793 |
|
|
param[1] = hostdata->host_param.selection_timeout;
|
1794 |
|
|
|
1795 |
|
|
isp1020_mbox_command(host, param);
|
1796 |
|
|
|
1797 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1798 |
|
|
restore_flags(flags);
|
1799 |
|
|
printk("qlogicisp : set selection timeout failure\n");
|
1800 |
|
|
return 1;
|
1801 |
|
|
}
|
1802 |
|
|
|
1803 |
|
|
for (i = 0; i < MAX_TARGETS; i++) {
|
1804 |
|
|
|
1805 |
|
|
if (!hostdata->dev_param[i].device_enable)
|
1806 |
|
|
continue;
|
1807 |
|
|
|
1808 |
|
|
param[0] = MBOX_SET_TARGET_PARAMS;
|
1809 |
|
|
param[1] = i << 8;
|
1810 |
|
|
param[2] = hostdata->dev_param[i].device_flags << 8;
|
1811 |
|
|
param[3] = (hostdata->dev_param[i].synchronous_offset << 8)
|
1812 |
|
|
| hostdata->dev_param[i].synchronous_period;
|
1813 |
|
|
|
1814 |
|
|
isp1020_mbox_command(host, param);
|
1815 |
|
|
|
1816 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1817 |
|
|
restore_flags(flags);
|
1818 |
|
|
printk("qlogicisp : set target parameter failure\n");
|
1819 |
|
|
return 1;
|
1820 |
|
|
}
|
1821 |
|
|
|
1822 |
|
|
for (k = 0; k < MAX_LUNS; k++) {
|
1823 |
|
|
|
1824 |
|
|
param[0] = MBOX_SET_DEV_QUEUE_PARAMS;
|
1825 |
|
|
param[1] = (i << 8) | k;
|
1826 |
|
|
param[2] = hostdata->host_param.max_queue_depth;
|
1827 |
|
|
param[3] = hostdata->dev_param[i].execution_throttle;
|
1828 |
|
|
|
1829 |
|
|
isp1020_mbox_command(host, param);
|
1830 |
|
|
|
1831 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1832 |
|
|
restore_flags(flags);
|
1833 |
|
|
printk("qlogicisp : set device queue "
|
1834 |
|
|
"parameter failure\n");
|
1835 |
|
|
return 1;
|
1836 |
|
|
}
|
1837 |
|
|
}
|
1838 |
|
|
}
|
1839 |
|
|
|
1840 |
|
|
queue_addr = hostdata->res_dma;
|
1841 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
1842 |
|
|
param[0] = MBOX_CMD_INIT_RESPONSE_QUEUE_64;
|
1843 |
|
|
#else
|
1844 |
|
|
param[0] = MBOX_INIT_RES_QUEUE;
|
1845 |
|
|
#endif
|
1846 |
|
|
param[1] = RES_QUEUE_LEN + 1;
|
1847 |
|
|
param[2] = (u_short) (queue_addr >> 16);
|
1848 |
|
|
param[3] = (u_short) (queue_addr & 0xffff);
|
1849 |
|
|
param[4] = 0;
|
1850 |
|
|
param[5] = 0;
|
1851 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
1852 |
|
|
param[6] = (u_short) (queue_addr >> 48);
|
1853 |
|
|
param[7] = (u_short) (queue_addr >> 32);
|
1854 |
|
|
#endif
|
1855 |
|
|
|
1856 |
|
|
isp1020_mbox_command(host, param);
|
1857 |
|
|
|
1858 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1859 |
|
|
restore_flags(flags);
|
1860 |
|
|
printk("qlogicisp : set response queue failure\n");
|
1861 |
|
|
return 1;
|
1862 |
|
|
}
|
1863 |
|
|
|
1864 |
|
|
queue_addr = hostdata->req_dma;
|
1865 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
1866 |
|
|
param[0] = MBOX_CMD_INIT_REQUEST_QUEUE_64;
|
1867 |
|
|
#else
|
1868 |
|
|
param[0] = MBOX_INIT_REQ_QUEUE;
|
1869 |
|
|
#endif
|
1870 |
|
|
param[1] = QLOGICISP_REQ_QUEUE_LEN + 1;
|
1871 |
|
|
param[2] = (u_short) (queue_addr >> 16);
|
1872 |
|
|
param[3] = (u_short) (queue_addr & 0xffff);
|
1873 |
|
|
param[4] = 0;
|
1874 |
|
|
|
1875 |
|
|
#ifdef CONFIG_QL_ISP_A64
|
1876 |
|
|
param[5] = 0;
|
1877 |
|
|
param[6] = (u_short) (queue_addr >> 48);
|
1878 |
|
|
param[7] = (u_short) (queue_addr >> 32);
|
1879 |
|
|
#endif
|
1880 |
|
|
|
1881 |
|
|
isp1020_mbox_command(host, param);
|
1882 |
|
|
|
1883 |
|
|
if (param[0] != MBOX_COMMAND_COMPLETE) {
|
1884 |
|
|
restore_flags(flags);
|
1885 |
|
|
printk("qlogicisp : set request queue failure\n");
|
1886 |
|
|
return 1;
|
1887 |
|
|
}
|
1888 |
|
|
|
1889 |
|
|
restore_flags(flags);
|
1890 |
|
|
|
1891 |
|
|
LEAVE("isp1020_load_parameters");
|
1892 |
|
|
|
1893 |
|
|
return 0;
|
1894 |
|
|
}
|
1895 |
|
|
|
1896 |
|
|
|
1897 |
|
|
/*
|
1898 |
|
|
* currently, this is only called during initialization or abort/reset,
|
1899 |
|
|
* at which times interrupts are disabled, so polling is OK, I guess...
|
1900 |
|
|
*/
|
1901 |
|
|
static int isp1020_mbox_command(struct Scsi_Host *host, u_short param[])
|
1902 |
|
|
{
|
1903 |
|
|
int loop_count;
|
1904 |
|
|
|
1905 |
|
|
if (mbox_param[param[0]] == 0)
|
1906 |
|
|
return 1;
|
1907 |
|
|
|
1908 |
|
|
loop_count = DEFAULT_LOOP_COUNT;
|
1909 |
|
|
while (--loop_count && isp_inw(host, HOST_HCCR) & 0x0080) {
|
1910 |
|
|
barrier();
|
1911 |
|
|
cpu_relax();
|
1912 |
|
|
}
|
1913 |
|
|
if (!loop_count)
|
1914 |
|
|
printk("qlogicisp: mbox_command loop timeout #1\n");
|
1915 |
|
|
|
1916 |
|
|
switch(mbox_param[param[0]] >> 4) {
|
1917 |
|
|
case 8: isp_outw(param[7], host, MBOX7);
|
1918 |
|
|
case 7: isp_outw(param[6], host, MBOX6);
|
1919 |
|
|
case 6: isp_outw(param[5], host, MBOX5);
|
1920 |
|
|
case 5: isp_outw(param[4], host, MBOX4);
|
1921 |
|
|
case 4: isp_outw(param[3], host, MBOX3);
|
1922 |
|
|
case 3: isp_outw(param[2], host, MBOX2);
|
1923 |
|
|
case 2: isp_outw(param[1], host, MBOX1);
|
1924 |
|
|
case 1: isp_outw(param[0], host, MBOX0);
|
1925 |
|
|
}
|
1926 |
|
|
|
1927 |
|
|
isp_outw(0x0, host, PCI_SEMAPHORE);
|
1928 |
|
|
isp_outw(HCCR_CLEAR_RISC_INTR, host, HOST_HCCR);
|
1929 |
|
|
isp_outw(HCCR_SET_HOST_INTR, host, HOST_HCCR);
|
1930 |
|
|
|
1931 |
|
|
loop_count = DEFAULT_LOOP_COUNT;
|
1932 |
|
|
while (--loop_count && !(isp_inw(host, PCI_INTF_STS) & 0x04)) {
|
1933 |
|
|
barrier();
|
1934 |
|
|
cpu_relax();
|
1935 |
|
|
}
|
1936 |
|
|
if (!loop_count)
|
1937 |
|
|
printk("qlogicisp: mbox_command loop timeout #2\n");
|
1938 |
|
|
|
1939 |
|
|
loop_count = DEFAULT_LOOP_COUNT;
|
1940 |
|
|
while (--loop_count && isp_inw(host, MBOX0) == 0x04) {
|
1941 |
|
|
barrier();
|
1942 |
|
|
cpu_relax();
|
1943 |
|
|
}
|
1944 |
|
|
if (!loop_count)
|
1945 |
|
|
printk("qlogicisp: mbox_command loop timeout #3\n");
|
1946 |
|
|
|
1947 |
|
|
switch(mbox_param[param[0]] & 0xf) {
|
1948 |
|
|
case 8: param[7] = isp_inw(host, MBOX7);
|
1949 |
|
|
case 7: param[6] = isp_inw(host, MBOX6);
|
1950 |
|
|
case 6: param[5] = isp_inw(host, MBOX5);
|
1951 |
|
|
case 5: param[4] = isp_inw(host, MBOX4);
|
1952 |
|
|
case 4: param[3] = isp_inw(host, MBOX3);
|
1953 |
|
|
case 3: param[2] = isp_inw(host, MBOX2);
|
1954 |
|
|
case 2: param[1] = isp_inw(host, MBOX1);
|
1955 |
|
|
case 1: param[0] = isp_inw(host, MBOX0);
|
1956 |
|
|
}
|
1957 |
|
|
|
1958 |
|
|
isp_outw(0x0, host, PCI_SEMAPHORE);
|
1959 |
|
|
isp_outw(HCCR_CLEAR_RISC_INTR, host, HOST_HCCR);
|
1960 |
|
|
|
1961 |
|
|
return 0;
|
1962 |
|
|
}
|
1963 |
|
|
|
1964 |
|
|
|
1965 |
|
|
#if DEBUG_ISP1020_INTR
|
1966 |
|
|
|
1967 |
|
|
void isp1020_print_status_entry(struct Status_Entry *status)
|
1968 |
|
|
{
|
1969 |
|
|
int i;
|
1970 |
|
|
|
1971 |
|
|
printk("qlogicisp : entry count = 0x%02x, type = 0x%02x, flags = 0x%02x\n",
|
1972 |
|
|
status->hdr.entry_cnt, status->hdr.entry_type, status->hdr.flags);
|
1973 |
|
|
printk("qlogicisp : scsi status = 0x%04x, completion status = 0x%04x\n",
|
1974 |
|
|
le16_to_cpu(status->scsi_status), le16_to_cpu(status->completion_status));
|
1975 |
|
|
printk("qlogicisp : state flags = 0x%04x, status flags = 0x%04x\n",
|
1976 |
|
|
le16_to_cpu(status->state_flags), le16_to_cpu(status->status_flags));
|
1977 |
|
|
printk("qlogicisp : time = 0x%04x, request sense length = 0x%04x\n",
|
1978 |
|
|
le16_to_cpu(status->time), le16_to_cpu(status->req_sense_len));
|
1979 |
|
|
printk("qlogicisp : residual transfer length = 0x%08x\n",
|
1980 |
|
|
le32_to_cpu(status->residual));
|
1981 |
|
|
|
1982 |
|
|
for (i = 0; i < le16_to_cpu(status->req_sense_len); i++)
|
1983 |
|
|
printk("qlogicisp : sense data = 0x%02x\n", status->req_sense_data[i]);
|
1984 |
|
|
}
|
1985 |
|
|
|
1986 |
|
|
#endif /* DEBUG_ISP1020_INTR */
|
1987 |
|
|
|
1988 |
|
|
|
1989 |
|
|
#if DEBUG_ISP1020
|
1990 |
|
|
|
1991 |
|
|
void isp1020_print_scsi_cmd(Scsi_Cmnd *cmd)
|
1992 |
|
|
{
|
1993 |
|
|
int i;
|
1994 |
|
|
|
1995 |
|
|
printk("qlogicisp : target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n",
|
1996 |
|
|
cmd->target, cmd->lun, cmd->cmd_len);
|
1997 |
|
|
printk("qlogicisp : command = ");
|
1998 |
|
|
for (i = 0; i < cmd->cmd_len; i++)
|
1999 |
|
|
printk("0x%02x ", cmd->cmnd[i]);
|
2000 |
|
|
printk("\n");
|
2001 |
|
|
}
|
2002 |
|
|
|
2003 |
|
|
#endif /* DEBUG_ISP1020 */
|
2004 |
|
|
|
2005 |
|
|
MODULE_LICENSE("GPL");
|
2006 |
|
|
|
2007 |
|
|
static Scsi_Host_Template driver_template = QLOGICISP;
|
2008 |
|
|
|
2009 |
|
|
#include "scsi_module.c"
|