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path: root/drivers/scsi/qlogicfc.c
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Diffstat (limited to 'drivers/scsi/qlogicfc.c')
-rw-r--r--drivers/scsi/qlogicfc.c2228
1 files changed, 0 insertions, 2228 deletions
diff --git a/drivers/scsi/qlogicfc.c b/drivers/scsi/qlogicfc.c
deleted file mode 100644
index 52b224a5d6fd..000000000000
--- a/drivers/scsi/qlogicfc.c
+++ /dev/null
@@ -1,2228 +0,0 @@
-/*
- * QLogic ISP2x00 SCSI-FCP
- * Written by Erik H. Moe, ehm@cris.com
- * Copyright 1995, Erik H. Moe
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
-
-/* Renamed and updated to 1.3.x by Michael Griffith <grif@cs.ucr.edu> */
-
-/* This is a version of the isp1020 driver which was modified by
- * Chris Loveland <cwl@iol.unh.edu> to support the isp2100 and isp2200
- *
- * Big endian support and dynamic DMA mapping added
- * by Jakub Jelinek <jakub@redhat.com>.
- *
- * Conversion to final pci64 DMA interfaces
- * by David S. Miller <davem@redhat.com>.
- */
-
-/*
- * $Date: 1995/09/22 02:23:15 $
- * $Revision: 0.5 $
- *
- * $Log: isp1020.c,v $
- * Revision 0.5 1995/09/22 02:23:15 root
- * do auto request sense
- *
- * Revision 0.4 1995/08/07 04:44:33 root
- * supply firmware with driver.
- * numerous bug fixes/general cleanup of code.
- *
- * Revision 0.3 1995/07/16 16:15:39 root
- * added reset/abort code.
- *
- * Revision 0.2 1995/06/29 03:14:19 root
- * fixed biosparam.
- * added queue protocol.
- *
- * Revision 0.1 1995/06/25 01:55:45 root
- * Initial release.
- *
- */
-
-#include <linux/blkdev.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/unistd.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/dma-mapping.h>
-#include <linux/jiffies.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include "scsi.h"
-#include <scsi/scsi_host.h>
-
-#define pci64_dma_hi32(a) ((u32) (0xffffffff & (((u64)(a))>>32)))
-#define pci64_dma_lo32(a) ((u32) (0xffffffff & (((u64)(a)))))
-#define pci64_dma_build(hi,lo) \
- ((dma_addr_t)(((u64)(lo))|(((u64)(hi))<<32)))
-
-/*
- * With the qlogic interface, every queue slot can hold a SCSI
- * command with up to 2 scatter/gather entries. If we need more
- * than 2 entries, continuation entries can be used that hold
- * another 5 entries each. Unlike for other drivers, this means
- * that the maximum number of scatter/gather entries we can
- * support at any given time is a function of the number of queue
- * slots available. That is, host->can_queue and host->sg_tablesize
- * are dynamic and _not_ independent. This all works fine because
- * requests are queued serially and the scatter/gather limit is
- * determined for each queue request anew.
- */
-
-#define DATASEGS_PER_COMMAND 2
-#define DATASEGS_PER_CONT 5
-
-#define QLOGICFC_REQ_QUEUE_LEN 255 /* must be power of two - 1 */
-#define QLOGICFC_MAX_SG(ql) (DATASEGS_PER_COMMAND + (((ql) > 0) ? DATASEGS_PER_CONT*((ql) - 1) : 0))
-#define QLOGICFC_CMD_PER_LUN 8
-
-/* Configuration section **************************************************** */
-
-/* Set the following macro to 1 to reload the ISP2x00's firmware. This is
- version 1.17.30 of the isp2100's firmware and version 2.00.40 of the
- isp2200's firmware.
-*/
-
-#define USE_NVRAM_DEFAULTS 1
-
-#define ISP2x00_PORTDB 1
-
-/* Set the following to 1 to include fabric support, fabric support is
- * currently not as well tested as the other aspects of the driver */
-
-#define ISP2x00_FABRIC 1
-
-/* Macros used for debugging */
-#define DEBUG_ISP2x00 0
-#define DEBUG_ISP2x00_INT 0
-#define DEBUG_ISP2x00_INTR 0
-#define DEBUG_ISP2x00_SETUP 0
-#define DEBUG_ISP2x00_FABRIC 0
-#define TRACE_ISP 0
-
-
-#define DEFAULT_LOOP_COUNT 1000000000
-
-#define ISP_TIMEOUT (2*HZ)
-/* End Configuration section ************************************************ */
-
-#include <linux/module.h>
-
-#if TRACE_ISP
-
-#define TRACE_BUF_LEN (32*1024)
-
-struct {
- u_long next;
- struct {
- u_long time;
- u_int index;
- u_int addr;
- u_char *name;
- } buf[TRACE_BUF_LEN];
-} trace;
-
-#define TRACE(w, i, a) \
-{ \
- unsigned long flags; \
- \
- save_flags(flags); \
- cli(); \
- trace.buf[trace.next].name = (w); \
- trace.buf[trace.next].time = jiffies; \
- trace.buf[trace.next].index = (i); \
- trace.buf[trace.next].addr = (long) (a); \
- trace.next = (trace.next + 1) & (TRACE_BUF_LEN - 1); \
- restore_flags(flags); \
-}
-
-#else
-#define TRACE(w, i, a)
-#endif
-
-#if DEBUG_ISP2x00_FABRIC
-#define DEBUG_FABRIC(x) x
-#else
-#define DEBUG_FABRIC(x)
-#endif /* DEBUG_ISP2x00_FABRIC */
-
-
-#if DEBUG_ISP2x00
-#define ENTER(x) printk("isp2x00 : entering %s()\n", x);
-#define LEAVE(x) printk("isp2x00 : leaving %s()\n", x);
-#define DEBUG(x) x
-#else
-#define ENTER(x)
-#define LEAVE(x)
-#define DEBUG(x)
-#endif /* DEBUG_ISP2x00 */
-
-#if DEBUG_ISP2x00_INTR
-#define ENTER_INTR(x) printk("isp2x00 : entering %s()\n", x);
-#define LEAVE_INTR(x) printk("isp2x00 : leaving %s()\n", x);
-#define DEBUG_INTR(x) x
-#else
-#define ENTER_INTR(x)
-#define LEAVE_INTR(x)
-#define DEBUG_INTR(x)
-#endif /* DEBUG ISP2x00_INTR */
-
-
-#define ISP2100_REV_ID1 1
-#define ISP2100_REV_ID3 3
-#define ISP2200_REV_ID5 5
-
-/* host configuration and control registers */
-#define HOST_HCCR 0xc0 /* host command and control */
-
-/* pci bus interface registers */
-#define FLASH_BIOS_ADDR 0x00
-#define FLASH_BIOS_DATA 0x02
-#define ISP_CTRL_STATUS 0x06 /* configuration register #1 */
-#define PCI_INTER_CTL 0x08 /* pci interrupt control */
-#define PCI_INTER_STS 0x0a /* pci interrupt status */
-#define PCI_SEMAPHORE 0x0c /* pci semaphore */
-#define PCI_NVRAM 0x0e /* pci nvram interface */
-
-/* mailbox registers */
-#define MBOX0 0x10 /* mailbox 0 */
-#define MBOX1 0x12 /* mailbox 1 */
-#define MBOX2 0x14 /* mailbox 2 */
-#define MBOX3 0x16 /* mailbox 3 */
-#define MBOX4 0x18 /* mailbox 4 */
-#define MBOX5 0x1a /* mailbox 5 */
-#define MBOX6 0x1c /* mailbox 6 */
-#define MBOX7 0x1e /* mailbox 7 */
-
-/* mailbox command complete status codes */
-#define MBOX_COMMAND_COMPLETE 0x4000
-#define INVALID_COMMAND 0x4001
-#define HOST_INTERFACE_ERROR 0x4002
-#define TEST_FAILED 0x4003
-#define COMMAND_ERROR 0x4005
-#define COMMAND_PARAM_ERROR 0x4006
-#define PORT_ID_USED 0x4007
-#define LOOP_ID_USED 0x4008
-#define ALL_IDS_USED 0x4009
-
-/* async event status codes */
-#define RESET_DETECTED 0x8001
-#define SYSTEM_ERROR 0x8002
-#define REQUEST_TRANSFER_ERROR 0x8003
-#define RESPONSE_TRANSFER_ERROR 0x8004
-#define REQUEST_QUEUE_WAKEUP 0x8005
-#define LIP_OCCURRED 0x8010
-#define LOOP_UP 0x8011
-#define LOOP_DOWN 0x8012
-#define LIP_RECEIVED 0x8013
-#define PORT_DB_CHANGED 0x8014
-#define CHANGE_NOTIFICATION 0x8015
-#define SCSI_COMMAND_COMPLETE 0x8020
-#define POINT_TO_POINT_UP 0x8030
-#define CONNECTION_MODE 0x8036
-
-struct Entry_header {
- u_char entry_type;
- u_char entry_cnt;
- u_char sys_def_1;
- u_char flags;
-};
-
-/* entry header type commands */
-#define ENTRY_COMMAND 0x19
-#define ENTRY_CONTINUATION 0x0a
-
-#define ENTRY_STATUS 0x03
-#define ENTRY_MARKER 0x04
-
-
-/* entry header flag definitions */
-#define EFLAG_BUSY 2
-#define EFLAG_BAD_HEADER 4
-#define EFLAG_BAD_PAYLOAD 8
-
-struct dataseg {
- u_int d_base;
- u_int d_base_hi;
- u_int d_count;
-};
-
-struct Command_Entry {
- struct Entry_header hdr;
- u_int handle;
- u_char target_lun;
- u_char target_id;
- u_short expanded_lun;
- u_short control_flags;
- u_short rsvd2;
- u_short time_out;
- u_short segment_cnt;
- u_char cdb[16];
- u_int total_byte_cnt;
- struct dataseg dataseg[DATASEGS_PER_COMMAND];
-};
-
-/* command entry control flag definitions */
-#define CFLAG_NODISC 0x01
-#define CFLAG_HEAD_TAG 0x02
-#define CFLAG_ORDERED_TAG 0x04
-#define CFLAG_SIMPLE_TAG 0x08
-#define CFLAG_TAR_RTN 0x10
-#define CFLAG_READ 0x20
-#define CFLAG_WRITE 0x40
-
-struct Continuation_Entry {
- struct Entry_header hdr;
- struct dataseg dataseg[DATASEGS_PER_CONT];
-};
-
-struct Marker_Entry {
- struct Entry_header hdr;
- u_int reserved;
- u_char target_lun;
- u_char target_id;
- u_char modifier;
- u_char expanded_lun;
- u_char rsvds[52];
-};
-
-/* marker entry modifier definitions */
-#define SYNC_DEVICE 0
-#define SYNC_TARGET 1
-#define SYNC_ALL 2
-
-struct Status_Entry {
- struct Entry_header hdr;
- u_int handle;
- u_short scsi_status;
- u_short completion_status;
- u_short state_flags;
- u_short status_flags;
- u_short res_info_len;
- u_short req_sense_len;
- u_int residual;
- u_char res_info[8];
- u_char req_sense_data[32];
-};
-
-/* status entry completion status definitions */
-#define CS_COMPLETE 0x0000
-#define CS_DMA_ERROR 0x0002
-#define CS_RESET_OCCURRED 0x0004
-#define CS_ABORTED 0x0005
-#define CS_TIMEOUT 0x0006
-#define CS_DATA_OVERRUN 0x0007
-#define CS_DATA_UNDERRUN 0x0015
-#define CS_QUEUE_FULL 0x001c
-#define CS_PORT_UNAVAILABLE 0x0028
-#define CS_PORT_LOGGED_OUT 0x0029
-#define CS_PORT_CONFIG_CHANGED 0x002a
-
-/* status entry state flag definitions */
-#define SF_SENT_CDB 0x0400
-#define SF_TRANSFERRED_DATA 0x0800
-#define SF_GOT_STATUS 0x1000
-
-/* status entry status flag definitions */
-#define STF_BUS_RESET 0x0008
-#define STF_DEVICE_RESET 0x0010
-#define STF_ABORTED 0x0020
-#define STF_TIMEOUT 0x0040
-
-/* interrupt control commands */
-#define ISP_EN_INT 0x8000
-#define ISP_EN_RISC 0x0008
-
-/* host control commands */
-#define HCCR_NOP 0x0000
-#define HCCR_RESET 0x1000
-#define HCCR_PAUSE 0x2000
-#define HCCR_RELEASE 0x3000
-#define HCCR_SINGLE_STEP 0x4000
-#define HCCR_SET_HOST_INTR 0x5000
-#define HCCR_CLEAR_HOST_INTR 0x6000
-#define HCCR_CLEAR_RISC_INTR 0x7000
-#define HCCR_BP_ENABLE 0x8000
-#define HCCR_BIOS_DISABLE 0x9000
-#define HCCR_TEST_MODE 0xf000
-
-#define RISC_BUSY 0x0004
-
-/* mailbox commands */
-#define MBOX_NO_OP 0x0000
-#define MBOX_LOAD_RAM 0x0001
-#define MBOX_EXEC_FIRMWARE 0x0002
-#define MBOX_DUMP_RAM 0x0003
-#define MBOX_WRITE_RAM_WORD 0x0004
-#define MBOX_READ_RAM_WORD 0x0005
-#define MBOX_MAILBOX_REG_TEST 0x0006
-#define MBOX_VERIFY_CHECKSUM 0x0007
-#define MBOX_ABOUT_FIRMWARE 0x0008
-#define MBOX_LOAD_RISC_RAM 0x0009
-#define MBOX_DUMP_RISC_RAM 0x000a
-#define MBOX_CHECK_FIRMWARE 0x000e
-#define MBOX_INIT_REQ_QUEUE 0x0010
-#define MBOX_INIT_RES_QUEUE 0x0011
-#define MBOX_EXECUTE_IOCB 0x0012
-#define MBOX_WAKE_UP 0x0013
-#define MBOX_STOP_FIRMWARE 0x0014
-#define MBOX_ABORT_IOCB 0x0015
-#define MBOX_ABORT_DEVICE 0x0016
-#define MBOX_ABORT_TARGET 0x0017
-#define MBOX_BUS_RESET 0x0018
-#define MBOX_STOP_QUEUE 0x0019
-#define MBOX_START_QUEUE 0x001a
-#define MBOX_SINGLE_STEP_QUEUE 0x001b
-#define MBOX_ABORT_QUEUE 0x001c
-#define MBOX_GET_DEV_QUEUE_STATUS 0x001d
-#define MBOX_GET_FIRMWARE_STATUS 0x001f
-#define MBOX_GET_INIT_SCSI_ID 0x0020
-#define MBOX_GET_RETRY_COUNT 0x0022
-#define MBOX_GET_TARGET_PARAMS 0x0028
-#define MBOX_GET_DEV_QUEUE_PARAMS 0x0029
-#define MBOX_SET_RETRY_COUNT 0x0032
-#define MBOX_SET_TARGET_PARAMS 0x0038
-#define MBOX_SET_DEV_QUEUE_PARAMS 0x0039
-#define MBOX_EXECUTE_IOCB64 0x0054
-#define MBOX_INIT_FIRMWARE 0x0060
-#define MBOX_GET_INIT_CB 0x0061
-#define MBOX_INIT_LIP 0x0062
-#define MBOX_GET_POS_MAP 0x0063
-#define MBOX_GET_PORT_DB 0x0064
-#define MBOX_CLEAR_ACA 0x0065
-#define MBOX_TARGET_RESET 0x0066
-#define MBOX_CLEAR_TASK_SET 0x0067
-#define MBOX_ABORT_TASK_SET 0x0068
-#define MBOX_GET_FIRMWARE_STATE 0x0069
-#define MBOX_GET_PORT_NAME 0x006a
-#define MBOX_SEND_SNS 0x006e
-#define MBOX_PORT_LOGIN 0x006f
-#define MBOX_SEND_CHANGE_REQUEST 0x0070
-#define MBOX_PORT_LOGOUT 0x0071
-
-/*
- * Firmware if needed (note this is a hack, it belongs in a separate
- * module.
- */
-
-#ifdef CONFIG_SCSI_QLOGIC_FC_FIRMWARE
-#include "qlogicfc_asm.c"
-#else
-static unsigned short risc_code_addr01 = 0x1000 ;
-#endif
-
-/* Each element in mbox_param is an 8 bit bitmap where each bit indicates
- if that mbox should be copied as input. For example 0x2 would mean
- only copy mbox1. */
-
-static const u_char mbox_param[] =
-{
- 0x01, /* MBOX_NO_OP */
- 0x1f, /* MBOX_LOAD_RAM */
- 0x03, /* MBOX_EXEC_FIRMWARE */
- 0x1f, /* MBOX_DUMP_RAM */
- 0x07, /* MBOX_WRITE_RAM_WORD */
- 0x03, /* MBOX_READ_RAM_WORD */
- 0xff, /* MBOX_MAILBOX_REG_TEST */
- 0x03, /* MBOX_VERIFY_CHECKSUM */
- 0x01, /* MBOX_ABOUT_FIRMWARE */
- 0xff, /* MBOX_LOAD_RISC_RAM */
- 0xff, /* MBOX_DUMP_RISC_RAM */
- 0x00, /* 0x000b */
- 0x00, /* 0x000c */
- 0x00, /* 0x000d */
- 0x01, /* MBOX_CHECK_FIRMWARE */
- 0x00, /* 0x000f */
- 0x1f, /* MBOX_INIT_REQ_QUEUE */
- 0x2f, /* MBOX_INIT_RES_QUEUE */
- 0x0f, /* MBOX_EXECUTE_IOCB */
- 0x03, /* MBOX_WAKE_UP */
- 0x01, /* MBOX_STOP_FIRMWARE */
- 0x0f, /* MBOX_ABORT_IOCB */
- 0x03, /* MBOX_ABORT_DEVICE */
- 0x07, /* MBOX_ABORT_TARGET */
- 0x03, /* MBOX_BUS_RESET */
- 0x03, /* MBOX_STOP_QUEUE */
- 0x03, /* MBOX_START_QUEUE */
- 0x03, /* MBOX_SINGLE_STEP_QUEUE */
- 0x03, /* MBOX_ABORT_QUEUE */
- 0x03, /* MBOX_GET_DEV_QUEUE_STATUS */
- 0x00, /* 0x001e */
- 0x01, /* MBOX_GET_FIRMWARE_STATUS */
- 0x01, /* MBOX_GET_INIT_SCSI_ID */
- 0x00, /* 0x0021 */
- 0x01, /* MBOX_GET_RETRY_COUNT */
- 0x00, /* 0x0023 */
- 0x00, /* 0x0024 */
- 0x00, /* 0x0025 */
- 0x00, /* 0x0026 */
- 0x00, /* 0x0027 */
- 0x03, /* MBOX_GET_TARGET_PARAMS */
- 0x03, /* MBOX_GET_DEV_QUEUE_PARAMS */
- 0x00, /* 0x002a */
- 0x00, /* 0x002b */
- 0x00, /* 0x002c */
- 0x00, /* 0x002d */
- 0x00, /* 0x002e */
- 0x00, /* 0x002f */
- 0x00, /* 0x0030 */
- 0x00, /* 0x0031 */
- 0x07, /* MBOX_SET_RETRY_COUNT */
- 0x00, /* 0x0033 */
- 0x00, /* 0x0034 */
- 0x00, /* 0x0035 */
- 0x00, /* 0x0036 */
- 0x00, /* 0x0037 */
- 0x0f, /* MBOX_SET_TARGET_PARAMS */
- 0x0f, /* MBOX_SET_DEV_QUEUE_PARAMS */
- 0x00, /* 0x003a */
- 0x00, /* 0x003b */
- 0x00, /* 0x003c */
- 0x00, /* 0x003d */
- 0x00, /* 0x003e */
- 0x00, /* 0x003f */
- 0x00, /* 0x0040 */
- 0x00, /* 0x0041 */
- 0x00, /* 0x0042 */
- 0x00, /* 0x0043 */
- 0x00, /* 0x0044 */
- 0x00, /* 0x0045 */
- 0x00, /* 0x0046 */
- 0x00, /* 0x0047 */
- 0x00, /* 0x0048 */
- 0x00, /* 0x0049 */
- 0x00, /* 0x004a */
- 0x00, /* 0x004b */
- 0x00, /* 0x004c */
- 0x00, /* 0x004d */
- 0x00, /* 0x004e */
- 0x00, /* 0x004f */
- 0x00, /* 0x0050 */
- 0x00, /* 0x0051 */
- 0x00, /* 0x0052 */
- 0x00, /* 0x0053 */
- 0xcf, /* MBOX_EXECUTE_IOCB64 */
- 0x00, /* 0x0055 */
- 0x00, /* 0x0056 */
- 0x00, /* 0x0057 */
- 0x00, /* 0x0058 */
- 0x00, /* 0x0059 */
- 0x00, /* 0x005a */
- 0x00, /* 0x005b */
- 0x00, /* 0x005c */
- 0x00, /* 0x005d */
- 0x00, /* 0x005e */
- 0x00, /* 0x005f */
- 0xff, /* MBOX_INIT_FIRMWARE */
- 0xcd, /* MBOX_GET_INIT_CB */
- 0x01, /* MBOX_INIT_LIP */
- 0xcd, /* MBOX_GET_POS_MAP */
- 0xcf, /* MBOX_GET_PORT_DB */
- 0x03, /* MBOX_CLEAR_ACA */
- 0x03, /* MBOX_TARGET_RESET */
- 0x03, /* MBOX_CLEAR_TASK_SET */
- 0x03, /* MBOX_ABORT_TASK_SET */
- 0x01, /* MBOX_GET_FIRMWARE_STATE */
- 0x03, /* MBOX_GET_PORT_NAME */
- 0x00, /* 0x006b */
- 0x00, /* 0x006c */
- 0x00, /* 0x006d */
- 0xcf, /* MBOX_SEND_SNS */
- 0x0f, /* MBOX_PORT_LOGIN */
- 0x03, /* MBOX_SEND_CHANGE_REQUEST */
- 0x03, /* MBOX_PORT_LOGOUT */
-};
-
-#define MAX_MBOX_COMMAND (sizeof(mbox_param)/sizeof(u_short))
-
-
-struct id_name_map {
- u64 wwn;
- u_char loop_id;
-};
-
-struct sns_cb {
- u_short len;
- u_short res1;
- u_int response_low;
- u_int response_high;
- u_short sub_len;
- u_short res2;
- u_char data[44];
-};
-
-/* address of instance of this struct is passed to adapter to initialize things
- */
-struct init_cb {
- u_char version;
- u_char reseverd1[1];
- u_short firm_opts;
- u_short max_frame_len;
- u_short max_iocb;
- u_short exec_throttle;
- u_char retry_cnt;
- u_char retry_delay;
- u_short node_name[4];
- u_short hard_addr;
- u_char reserved2[10];
- u_short req_queue_out;
- u_short res_queue_in;
- u_short req_queue_len;
- u_short res_queue_len;
- u_int req_queue_addr_lo;
- u_int req_queue_addr_high;
- u_int res_queue_addr_lo;
- u_int res_queue_addr_high;
- /* the rest of this structure only applies to the isp2200 */
- u_short lun_enables;
- u_char cmd_resource_cnt;
- u_char notify_resource_cnt;
- u_short timeout;
- u_short reserved3;
- u_short add_firm_opts;
- u_char res_accum_timer;
- u_char irq_delay_timer;
- u_short special_options;
- u_short reserved4[13];
-};
-
-/*
- * The result queue can be quite a bit smaller since continuation entries
- * do not show up there:
- */
-#define RES_QUEUE_LEN ((QLOGICFC_REQ_QUEUE_LEN + 1) / 8 - 1)
-#define QUEUE_ENTRY_LEN 64
-
-#if ISP2x00_FABRIC
-#define QLOGICFC_MAX_ID 0xff
-#else
-#define QLOGICFC_MAX_ID 0x7d
-#endif
-
-#define QLOGICFC_MAX_LUN 128
-#define QLOGICFC_MAX_LOOP_ID 0x7d
-
-/* the following connection options only apply to the 2200. i have only
- * had success with LOOP_ONLY and P2P_ONLY.
- */
-
-#define LOOP_ONLY 0
-#define P2P_ONLY 1
-#define LOOP_PREFERED 2
-#define P2P_PREFERED 3
-
-#define CONNECTION_PREFERENCE LOOP_ONLY
-
-/* adapter_state values */
-#define AS_FIRMWARE_DEAD -1
-#define AS_LOOP_DOWN 0
-#define AS_LOOP_GOOD 1
-#define AS_REDO_FABRIC_PORTDB 2
-#define AS_REDO_LOOP_PORTDB 4
-
-#define RES_SIZE ((RES_QUEUE_LEN + 1)*QUEUE_ENTRY_LEN)
-#define REQ_SIZE ((QLOGICFC_REQ_QUEUE_LEN + 1)*QUEUE_ENTRY_LEN)
-
-struct isp2x00_hostdata {
- u_char revision;
- struct pci_dev *pci_dev;
- /* result and request queues (shared with isp2x00): */
- u_int req_in_ptr; /* index of next request slot */
- u_int res_out_ptr; /* index of next result slot */
-
- /* this is here so the queues are nicely aligned */
- long send_marker; /* do we need to send a marker? */
-
- char * res;
- char * req;
- struct init_cb control_block;
- int adapter_state;
- unsigned long int tag_ages[QLOGICFC_MAX_ID + 1];
- Scsi_Cmnd *handle_ptrs[QLOGICFC_REQ_QUEUE_LEN + 1];
- unsigned long handle_serials[QLOGICFC_REQ_QUEUE_LEN + 1];
- struct id_name_map port_db[QLOGICFC_MAX_ID + 1];
- u_char mbox_done;
- u64 wwn;
- u_int port_id;
- u_char queued;
- u_char host_id;
- struct timer_list explore_timer;
- struct id_name_map tempmap[QLOGICFC_MAX_ID + 1];
-};
-
-
-/* queue length's _must_ be power of two: */
-#define QUEUE_DEPTH(in, out, ql) ((in - out) & (ql))
-#define REQ_QUEUE_DEPTH(in, out) QUEUE_DEPTH(in, out, \
- QLOGICFC_REQ_QUEUE_LEN)
-#define RES_QUEUE_DEPTH(in, out) QUEUE_DEPTH(in, out, RES_QUEUE_LEN)
-
-static void isp2x00_enable_irqs(struct Scsi_Host *);
-static void isp2x00_disable_irqs(struct Scsi_Host *);
-static int isp2x00_init(struct Scsi_Host *);
-static int isp2x00_reset_hardware(struct Scsi_Host *);
-static int isp2x00_mbox_command(struct Scsi_Host *, u_short[]);
-static int isp2x00_return_status(Scsi_Cmnd *, struct Status_Entry *);
-static void isp2x00_intr_handler(int, void *, struct pt_regs *);
-static irqreturn_t do_isp2x00_intr_handler(int, void *, struct pt_regs *);
-static int isp2x00_make_portdb(struct Scsi_Host *);
-
-#if ISP2x00_FABRIC
-static int isp2x00_init_fabric(struct Scsi_Host *, struct id_name_map *, int);
-#endif
-
-#if USE_NVRAM_DEFAULTS
-static int isp2x00_get_nvram_defaults(struct Scsi_Host *, struct init_cb *);
-static u_short isp2x00_read_nvram_word(struct Scsi_Host *, u_short);
-#endif
-
-#if DEBUG_ISP2x00
-static void isp2x00_print_scsi_cmd(Scsi_Cmnd *);
-#endif
-
-#if DEBUG_ISP2x00_INTR
-static void isp2x00_print_status_entry(struct Status_Entry *);
-#endif
-
-static inline void isp2x00_enable_irqs(struct Scsi_Host *host)
-{
- outw(ISP_EN_INT | ISP_EN_RISC, host->io_port + PCI_INTER_CTL);
-}
-
-
-static inline void isp2x00_disable_irqs(struct Scsi_Host *host)
-{
- outw(0x0, host->io_port + PCI_INTER_CTL);
-}
-
-
-static int isp2x00_detect(struct scsi_host_template * tmpt)
-{
- int hosts = 0;
- unsigned long wait_time;
- struct Scsi_Host *host = NULL;
- struct isp2x00_hostdata *hostdata;
- struct pci_dev *pdev;
- unsigned short device_ids[2];
- dma_addr_t busaddr;
- int i;
-
-
- ENTER("isp2x00_detect");
-
- device_ids[0] = PCI_DEVICE_ID_QLOGIC_ISP2100;
- device_ids[1] = PCI_DEVICE_ID_QLOGIC_ISP2200;
-
- tmpt->proc_name = "isp2x00";
-
- for (i=0; i<2; i++){
- pdev = NULL;
- while ((pdev = pci_find_device(PCI_VENDOR_ID_QLOGIC, device_ids[i], pdev))) {
- if (pci_enable_device(pdev))
- continue;
-
- /* Try to configure DMA attributes. */
- if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
- pci_set_dma_mask(pdev, DMA_32BIT_MASK))
- continue;
-
- host = scsi_register(tmpt, sizeof(struct isp2x00_hostdata));
- if (!host) {
- printk("qlogicfc%d : could not register host.\n", hosts);
- continue;
- }
- host->max_id = QLOGICFC_MAX_ID + 1;
- host->max_lun = QLOGICFC_MAX_LUN;
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
-
- memset(hostdata, 0, sizeof(struct isp2x00_hostdata));
- hostdata->pci_dev = pdev;
- hostdata->res = pci_alloc_consistent(pdev, RES_SIZE + REQ_SIZE, &busaddr);
-
- if (!hostdata->res){
- printk("qlogicfc%d : could not allocate memory for request and response queue.\n", hosts);
- scsi_unregister(host);
- continue;
- }
- hostdata->req = hostdata->res + (RES_QUEUE_LEN + 1)*QUEUE_ENTRY_LEN;
- hostdata->queued = 0;
- /* set up the control block */
- hostdata->control_block.version = 0x1;
- hostdata->control_block.firm_opts = cpu_to_le16(0x800e);
- hostdata->control_block.max_frame_len = cpu_to_le16(2048);
- hostdata->control_block.max_iocb = cpu_to_le16(QLOGICFC_REQ_QUEUE_LEN);
- hostdata->control_block.exec_throttle = cpu_to_le16(QLOGICFC_CMD_PER_LUN);
- hostdata->control_block.retry_delay = 5;
- hostdata->control_block.retry_cnt = 1;
- hostdata->control_block.node_name[0] = cpu_to_le16(0x0020);
- hostdata->control_block.node_name[1] = cpu_to_le16(0xE000);
- hostdata->control_block.node_name[2] = cpu_to_le16(0x008B);
- hostdata->control_block.node_name[3] = cpu_to_le16(0x0000);
- hostdata->control_block.hard_addr = cpu_to_le16(0x0003);
- hostdata->control_block.req_queue_len = cpu_to_le16(QLOGICFC_REQ_QUEUE_LEN + 1);
- hostdata->control_block.res_queue_len = cpu_to_le16(RES_QUEUE_LEN + 1);
- hostdata->control_block.res_queue_addr_lo = cpu_to_le32(pci64_dma_lo32(busaddr));
- hostdata->control_block.res_queue_addr_high = cpu_to_le32(pci64_dma_hi32(busaddr));
- hostdata->control_block.req_queue_addr_lo = cpu_to_le32(pci64_dma_lo32(busaddr + RES_SIZE));
- hostdata->control_block.req_queue_addr_high = cpu_to_le32(pci64_dma_hi32(busaddr + RES_SIZE));
-
-
- hostdata->control_block.add_firm_opts |= cpu_to_le16(CONNECTION_PREFERENCE<<4);
- hostdata->adapter_state = AS_LOOP_DOWN;
- hostdata->explore_timer.data = 1;
- hostdata->host_id = hosts;
-
- if (isp2x00_init(host) || isp2x00_reset_hardware(host)) {
- pci_free_consistent (pdev, RES_SIZE + REQ_SIZE, hostdata->res, busaddr);
- scsi_unregister(host);
- continue;
- }
- host->this_id = 0;
-
- if (request_irq(host->irq, do_isp2x00_intr_handler, SA_INTERRUPT | SA_SHIRQ, "qlogicfc", host)) {
- printk("qlogicfc%d : interrupt %d already in use\n",
- hostdata->host_id, host->irq);
- pci_free_consistent (pdev, RES_SIZE + REQ_SIZE, hostdata->res, busaddr);
- scsi_unregister(host);
- continue;
- }
- if (!request_region(host->io_port, 0xff, "qlogicfc")) {
- printk("qlogicfc%d : i/o region 0x%lx-0x%lx already "
- "in use\n",
- hostdata->host_id, host->io_port, host->io_port + 0xff);
- free_irq(host->irq, host);
- pci_free_consistent (pdev, RES_SIZE + REQ_SIZE, hostdata->res, busaddr);
- scsi_unregister(host);
- continue;
- }
-
- outw(0x0, host->io_port + PCI_SEMAPHORE);
- outw(HCCR_CLEAR_RISC_INTR, host->io_port + HOST_HCCR);
- isp2x00_enable_irqs(host);
- /* wait for the loop to come up */
- for (wait_time = jiffies + 10 * HZ; time_before(jiffies, wait_time) && hostdata->adapter_state == AS_LOOP_DOWN;) {
- barrier();
- cpu_relax();
- }
- if (hostdata->adapter_state == AS_LOOP_DOWN) {
- printk("qlogicfc%d : link is not up\n", hostdata->host_id);
- }
- hosts++;
- hostdata->explore_timer.data = 0;
- }
- }
-
-
- /* this busy loop should not be needed but the isp2x00 seems to need
- some time before recognizing it is attached to a fabric */
-
-#if ISP2x00_FABRIC
- if (hosts) {
- for (wait_time = jiffies + 5 * HZ; time_before(jiffies, wait_time);) {
- barrier();
- cpu_relax();
- }
- }
-#endif
-
- LEAVE("isp2x00_detect");
-
- return hosts;
-}
-
-
-static int isp2x00_make_portdb(struct Scsi_Host *host)
-{
-
- short param[8];
- int i, j;
- struct isp2x00_hostdata *hostdata;
-
- isp2x00_disable_irqs(host);
-
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
- memset(hostdata->tempmap, 0, sizeof(hostdata->tempmap));
-
-#if ISP2x00_FABRIC
- for (i = 0x81; i < QLOGICFC_MAX_ID; i++) {
- param[0] = MBOX_PORT_LOGOUT;
- param[1] = i << 8;
- param[2] = 0;
- param[3] = 0;
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] != MBOX_COMMAND_COMPLETE) {
-
- DEBUG_FABRIC(printk("qlogicfc%d : logout failed %x %x\n", hostdata->host_id, i, param[0]));
- }
- }
-#endif
-
-
- param[0] = MBOX_GET_INIT_SCSI_ID;
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] == MBOX_COMMAND_COMPLETE) {
- hostdata->port_id = ((u_int) param[3]) << 16;
- hostdata->port_id |= param[2];
- hostdata->tempmap[0].loop_id = param[1];
- hostdata->tempmap[0].wwn = hostdata->wwn;
- }
- else {
- printk("qlogicfc%d : error getting scsi id.\n", hostdata->host_id);
- }
-
- for (i = 0; i <=QLOGICFC_MAX_ID; i++)
- hostdata->tempmap[i].loop_id = hostdata->tempmap[0].loop_id;
-
- for (i = 0, j = 1; i <= QLOGICFC_MAX_LOOP_ID; i++) {
- param[0] = MBOX_GET_PORT_NAME;
- param[1] = (i << 8) & 0xff00;
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] == MBOX_COMMAND_COMPLETE) {
- hostdata->tempmap[j].loop_id = i;
- hostdata->tempmap[j].wwn = ((u64) (param[2] & 0xff)) << 56;
- hostdata->tempmap[j].wwn |= ((u64) ((param[2] >> 8) & 0xff)) << 48;
- hostdata->tempmap[j].wwn |= ((u64) (param[3] & 0xff)) << 40;
- hostdata->tempmap[j].wwn |= ((u64) ((param[3] >> 8) & 0xff)) << 32;
- hostdata->tempmap[j].wwn |= ((u64) (param[6] & 0xff)) << 24;
- hostdata->tempmap[j].wwn |= ((u64) ((param[6] >> 8) & 0xff)) << 16;
- hostdata->tempmap[j].wwn |= ((u64) (param[7] & 0xff)) << 8;
- hostdata->tempmap[j].wwn |= ((u64) ((param[7] >> 8) & 0xff));
-
- j++;
-
- }
- }
-
-
-#if ISP2x00_FABRIC
- isp2x00_init_fabric(host, hostdata->tempmap, j);
-#endif
-
- for (i = 0; i <= QLOGICFC_MAX_ID; i++) {
- if (hostdata->tempmap[i].wwn != hostdata->port_db[i].wwn) {
- for (j = 0; j <= QLOGICFC_MAX_ID; j++) {
- if (hostdata->tempmap[j].wwn == hostdata->port_db[i].wwn) {
- hostdata->port_db[i].loop_id = hostdata->tempmap[j].loop_id;
- break;
- }
- }
- if (j == QLOGICFC_MAX_ID + 1)
- hostdata->port_db[i].loop_id = hostdata->tempmap[0].loop_id;
-
- for (j = 0; j <= QLOGICFC_MAX_ID; j++) {
- if (hostdata->port_db[j].wwn == hostdata->tempmap[i].wwn || !hostdata->port_db[j].wwn) {
- break;
- }
- }
- if (j == QLOGICFC_MAX_ID + 1)
- printk("qlogicfc%d : Too many scsi devices, no more room in port map.\n", hostdata->host_id);
- if (!hostdata->port_db[j].wwn) {
- hostdata->port_db[j].loop_id = hostdata->tempmap[i].loop_id;
- hostdata->port_db[j].wwn = hostdata->tempmap[i].wwn;
- }
- } else
- hostdata->port_db[i].loop_id = hostdata->tempmap[i].loop_id;
-
- }
-
- isp2x00_enable_irqs(host);
-
- return 0;
-}
-
-
-#if ISP2x00_FABRIC
-
-#define FABRIC_PORT 0x7e
-#define FABRIC_CONTROLLER 0x7f
-#define FABRIC_SNS 0x80
-
-int isp2x00_init_fabric(struct Scsi_Host *host, struct id_name_map *port_db, int cur_scsi_id)
-{
-
- u_short param[8];
- u64 wwn;
- int done = 0;
- u_short loop_id = 0x81;
- u_short scsi_id = cur_scsi_id;
- u_int port_id;
- struct sns_cb *req;
- u_char *sns_response;
- dma_addr_t busaddr;
- struct isp2x00_hostdata *hostdata;
-
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
-
- DEBUG_FABRIC(printk("qlogicfc%d : Checking for a fabric.\n", hostdata->host_id));
- param[0] = MBOX_GET_PORT_NAME;
- param[1] = (u16)FABRIC_PORT << 8;
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] != MBOX_COMMAND_COMPLETE) {
- DEBUG_FABRIC(printk("qlogicfc%d : fabric check result %x\n", hostdata->host_id, param[0]));
- return 0;
- }
- printk("qlogicfc%d : Fabric found.\n", hostdata->host_id);
-
- req = (struct sns_cb *)pci_alloc_consistent(hostdata->pci_dev, sizeof(*req) + 608, &busaddr);
-
- if (!req){
- printk("qlogicfc%d : Could not allocate DMA resources for fabric initialization\n", hostdata->host_id);
- return 0;
- }
- sns_response = (u_char *)(req + 1);
-
- if (hostdata->adapter_state & AS_REDO_LOOP_PORTDB){
- memset(req, 0, sizeof(*req));
-
- req->len = cpu_to_le16(8);
- req->response_low = cpu_to_le32(pci64_dma_lo32(busaddr + sizeof(*req)));
- req->response_high = cpu_to_le32(pci64_dma_hi32(busaddr + sizeof(*req)));
- req->sub_len = cpu_to_le16(22);
- req->data[0] = 0x17;
- req->data[1] = 0x02;
- req->data[8] = (u_char) (hostdata->port_id & 0xff);
- req->data[9] = (u_char) (hostdata->port_id >> 8 & 0xff);
- req->data[10] = (u_char) (hostdata->port_id >> 16 & 0xff);
- req->data[13] = 0x01;
- param[0] = MBOX_SEND_SNS;
- param[1] = 30;
- param[2] = pci64_dma_lo32(busaddr) >> 16;
- param[3] = pci64_dma_lo32(busaddr);
- param[6] = pci64_dma_hi32(busaddr) >> 16;
- param[7] = pci64_dma_hi32(busaddr);
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] != MBOX_COMMAND_COMPLETE)
- printk("qlogicfc%d : error sending RFC-4\n", hostdata->host_id);
- }
-
- port_id = hostdata->port_id;
- while (!done) {
- memset(req, 0, sizeof(*req));
-
- req->len = cpu_to_le16(304);
- req->response_low = cpu_to_le32(pci64_dma_lo32(busaddr + sizeof(*req)));
- req->response_high = cpu_to_le32(pci64_dma_hi32(busaddr + sizeof(*req)));
- req->sub_len = cpu_to_le16(6);
- req->data[0] = 0x00;
- req->data[1] = 0x01;
- req->data[8] = (u_char) (port_id & 0xff);
- req->data[9] = (u_char) (port_id >> 8 & 0xff);
- req->data[10] = (u_char) (port_id >> 16 & 0xff);
-
- param[0] = MBOX_SEND_SNS;
- param[1] = 14;
- param[2] = pci64_dma_lo32(busaddr) >> 16;
- param[3] = pci64_dma_lo32(busaddr);
- param[6] = pci64_dma_hi32(busaddr) >> 16;
- param[7] = pci64_dma_hi32(busaddr);
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] == MBOX_COMMAND_COMPLETE) {
- DEBUG_FABRIC(printk("qlogicfc%d : found node %02x%02x%02x%02x%02x%02x%02x%02x ", hostdata->host_id, sns_response[20], sns_response[21], sns_response[22], sns_response[23], sns_response[24], sns_response[25], sns_response[26], sns_response[27]));
- DEBUG_FABRIC(printk(" port id: %02x%02x%02x\n", sns_response[17], sns_response[18], sns_response[19]));
- port_id = ((u_int) sns_response[17]) << 16;
- port_id |= ((u_int) sns_response[18]) << 8;
- port_id |= ((u_int) sns_response[19]);
- wwn = ((u64) sns_response[20]) << 56;
- wwn |= ((u64) sns_response[21]) << 48;
- wwn |= ((u64) sns_response[22]) << 40;
- wwn |= ((u64) sns_response[23]) << 32;
- wwn |= ((u64) sns_response[24]) << 24;
- wwn |= ((u64) sns_response[25]) << 16;
- wwn |= ((u64) sns_response[26]) << 8;
- wwn |= ((u64) sns_response[27]);
- if (hostdata->port_id >> 8 != port_id >> 8) {
- DEBUG_FABRIC(printk("qlogicfc%d : adding a fabric port: %x\n", hostdata->host_id, port_id));
- param[0] = MBOX_PORT_LOGIN;
- param[1] = loop_id << 8;
- param[2] = (u_short) (port_id >> 16);
- param[3] = (u_short) (port_id);
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] == MBOX_COMMAND_COMPLETE) {
- port_db[scsi_id].wwn = wwn;
- port_db[scsi_id].loop_id = loop_id;
- loop_id++;
- scsi_id++;
- } else {
- printk("qlogicfc%d : Error performing port login %x\n", hostdata->host_id, param[0]);
- DEBUG_FABRIC(printk("qlogicfc%d : loop_id: %x\n", hostdata->host_id, loop_id));
- param[0] = MBOX_PORT_LOGOUT;
- param[1] = loop_id << 8;
- param[2] = 0;
- param[3] = 0;
-
- isp2x00_mbox_command(host, param);
-
- }
-
- }
- if (hostdata->port_id == port_id)
- done = 1;
- } else {
- printk("qlogicfc%d : Get All Next failed %x.\n", hostdata->host_id, param[0]);
- pci_free_consistent(hostdata->pci_dev, sizeof(*req) + 608, req, busaddr);
- return 0;
- }
- }
-
- pci_free_consistent(hostdata->pci_dev, sizeof(*req) + 608, req, busaddr);
- return 1;
-}
-
-#endif /* ISP2x00_FABRIC */
-
-
-static int isp2x00_release(struct Scsi_Host *host)
-{
- struct isp2x00_hostdata *hostdata;
- dma_addr_t busaddr;
-
- ENTER("isp2x00_release");
-
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
-
- outw(0x0, host->io_port + PCI_INTER_CTL);
- free_irq(host->irq, host);
-
- release_region(host->io_port, 0xff);
-
- busaddr = pci64_dma_build(le32_to_cpu(hostdata->control_block.res_queue_addr_high),
- le32_to_cpu(hostdata->control_block.res_queue_addr_lo));
- pci_free_consistent(hostdata->pci_dev, RES_SIZE + REQ_SIZE, hostdata->res, busaddr);
-
- LEAVE("isp2x00_release");
-
- return 0;
-}
-
-
-static const char *isp2x00_info(struct Scsi_Host *host)
-{
- static char buf[80];
- struct isp2x00_hostdata *hostdata;
- ENTER("isp2x00_info");
-
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
- sprintf(buf,
- "QLogic ISP%04x SCSI on PCI bus %02x device %02x irq %d base 0x%lx",
- hostdata->pci_dev->device, hostdata->pci_dev->bus->number, hostdata->pci_dev->devfn, host->irq,
- host->io_port);
-
-
- LEAVE("isp2x00_info");
-
- return buf;
-}
-
-
-/*
- * The middle SCSI layer ensures that queuecommand never gets invoked
- * concurrently with itself or the interrupt handler (though the
- * interrupt handler may call this routine as part of
- * request-completion handling).
- */
-static int isp2x00_queuecommand(Scsi_Cmnd * Cmnd, void (*done) (Scsi_Cmnd *))
-{
- int i, sg_count, n, num_free;
- u_int in_ptr, out_ptr;
- struct dataseg *ds;
- struct scatterlist *sg;
- struct Command_Entry *cmd;
- struct Continuation_Entry *cont;
- struct Scsi_Host *host;
- struct isp2x00_hostdata *hostdata;
-
- ENTER("isp2x00_queuecommand");
-
- host = Cmnd->device->host;
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
- Cmnd->scsi_done = done;
-
- DEBUG(isp2x00_print_scsi_cmd(Cmnd));
-
- if (hostdata->adapter_state & AS_REDO_FABRIC_PORTDB || hostdata->adapter_state & AS_REDO_LOOP_PORTDB) {
- isp2x00_make_portdb(host);
- hostdata->adapter_state = AS_LOOP_GOOD;
- printk("qlogicfc%d : Port Database\n", hostdata->host_id);
- for (i = 0; hostdata->port_db[i].wwn != 0; i++) {
- printk("wwn: %08x%08x scsi_id: %x loop_id: ", (u_int) (hostdata->port_db[i].wwn >> 32), (u_int) hostdata->port_db[i].wwn, i);
- if (hostdata->port_db[i].loop_id != hostdata->port_db[0].loop_id || i == 0)
- printk("%x", hostdata->port_db[i].loop_id);
- else
- printk("Not Available");
- printk("\n");
- }
- }
- if (hostdata->adapter_state == AS_FIRMWARE_DEAD) {
- printk("qlogicfc%d : The firmware is dead, just return.\n", hostdata->host_id);
- host->max_id = 0;
- return 0;
- }
-
- out_ptr = inw(host->io_port + MBOX4);
- in_ptr = hostdata->req_in_ptr;
-
- DEBUG(printk("qlogicfc%d : request queue depth %d\n", hostdata->host_id,
- REQ_QUEUE_DEPTH(in_ptr, out_ptr)));
-
- cmd = (struct Command_Entry *) &hostdata->req[in_ptr*QUEUE_ENTRY_LEN];
- in_ptr = (in_ptr + 1) & QLOGICFC_REQ_QUEUE_LEN;
- if (in_ptr == out_ptr) {
- DEBUG(printk("qlogicfc%d : request queue overflow\n", hostdata->host_id));
- return 1;
- }
- if (hostdata->send_marker) {
- struct Marker_Entry *marker;
-
- TRACE("queue marker", in_ptr, 0);
-
- DEBUG(printk("qlogicfc%d : adding marker entry\n", hostdata->host_id));
- marker = (struct Marker_Entry *) cmd;
- memset(marker, 0, sizeof(struct Marker_Entry));
-
- marker->hdr.entry_type = ENTRY_MARKER;
- marker->hdr.entry_cnt = 1;
- marker->modifier = SYNC_ALL;
-
- hostdata->send_marker = 0;
-
- if (((in_ptr + 1) & QLOGICFC_REQ_QUEUE_LEN) == out_ptr) {
- outw(in_ptr, host->io_port + MBOX4);
- hostdata->req_in_ptr = in_ptr;
- DEBUG(printk("qlogicfc%d : request queue overflow\n", hostdata->host_id));
- return 1;
- }
- cmd = (struct Command_Entry *) &hostdata->req[in_ptr*QUEUE_ENTRY_LEN];
- in_ptr = (in_ptr + 1) & QLOGICFC_REQ_QUEUE_LEN;
- }
- TRACE("queue command", in_ptr, Cmnd);
-
- memset(cmd, 0, sizeof(struct Command_Entry));
-
- /* find a free handle mapping slot */
- for (i = in_ptr; i != (in_ptr - 1) && hostdata->handle_ptrs[i]; i = ((i + 1) % (QLOGICFC_REQ_QUEUE_LEN + 1)));
-
- if (!hostdata->handle_ptrs[i]) {
- cmd->handle = cpu_to_le32(i);
- hostdata->handle_ptrs[i] = Cmnd;
- hostdata->handle_serials[i] = Cmnd->serial_number;
- } else {
- printk("qlogicfc%d : no handle slots, this should not happen.\n", hostdata->host_id);
- printk("hostdata->queued is %x, in_ptr: %x\n", hostdata->queued, in_ptr);
- for (i = 0; i <= QLOGICFC_REQ_QUEUE_LEN; i++){
- if (!hostdata->handle_ptrs[i]){
- printk("slot %d has %p\n", i, hostdata->handle_ptrs[i]);
- }
- }
- return 1;
- }
-
- cmd->hdr.entry_type = ENTRY_COMMAND;
- cmd->hdr.entry_cnt = 1;
- cmd->target_lun = Cmnd->device->lun;
- cmd->expanded_lun = cpu_to_le16(Cmnd->device->lun);
-#if ISP2x00_PORTDB
- cmd->target_id = hostdata->port_db[Cmnd->device->id].loop_id;
-#else
- cmd->target_id = Cmnd->target;
-#endif
- cmd->total_byte_cnt = cpu_to_le32(Cmnd->request_bufflen);
- cmd->time_out = 0;
- memcpy(cmd->cdb, Cmnd->cmnd, Cmnd->cmd_len);
-
- if (Cmnd->use_sg) {
- sg = (struct scatterlist *) Cmnd->request_buffer;
- sg_count = pci_map_sg(hostdata->pci_dev, sg, Cmnd->use_sg, Cmnd->sc_data_direction);
- cmd->segment_cnt = cpu_to_le16(sg_count);
- ds = cmd->dataseg;
- /* fill in first two sg entries: */
- n = sg_count;
- if (n > DATASEGS_PER_COMMAND)
- n = DATASEGS_PER_COMMAND;
-
- for (i = 0; i < n; i++) {
- ds[i].d_base = cpu_to_le32(pci64_dma_lo32(sg_dma_address(sg)));
- ds[i].d_base_hi = cpu_to_le32(pci64_dma_hi32(sg_dma_address(sg)));
- ds[i].d_count = cpu_to_le32(sg_dma_len(sg));
- ++sg;
- }
- sg_count -= DATASEGS_PER_COMMAND;
-
- while (sg_count > 0) {
- ++cmd->hdr.entry_cnt;
- cont = (struct Continuation_Entry *)
- &hostdata->req[in_ptr*QUEUE_ENTRY_LEN];
- memset(cont, 0, sizeof(struct Continuation_Entry));
- in_ptr = (in_ptr + 1) & QLOGICFC_REQ_QUEUE_LEN;
- if (in_ptr == out_ptr) {
- DEBUG(printk("qlogicfc%d : unexpected request queue overflow\n", hostdata->host_id));
- return 1;
- }
- TRACE("queue continuation", in_ptr, 0);
- cont->hdr.entry_type = ENTRY_CONTINUATION;
- ds = cont->dataseg;
- n = sg_count;
- if (n > DATASEGS_PER_CONT)
- n = DATASEGS_PER_CONT;
- for (i = 0; i < n; ++i) {
- ds[i].d_base = cpu_to_le32(pci64_dma_lo32(sg_dma_address(sg)));
- ds[i].d_base_hi = cpu_to_le32(pci64_dma_hi32(sg_dma_address(sg)));
- ds[i].d_count = cpu_to_le32(sg_dma_len(sg));
- ++sg;
- }
- sg_count -= n;
- }
- } else if (Cmnd->request_bufflen && Cmnd->sc_data_direction != PCI_DMA_NONE) {
- struct page *page = virt_to_page(Cmnd->request_buffer);
- unsigned long offset = offset_in_page(Cmnd->request_buffer);
- dma_addr_t busaddr = pci_map_page(hostdata->pci_dev,
- page, offset,
- Cmnd->request_bufflen,
- Cmnd->sc_data_direction);
- Cmnd->SCp.dma_handle = busaddr;
-
- cmd->dataseg[0].d_base = cpu_to_le32(pci64_dma_lo32(busaddr));
- cmd->dataseg[0].d_base_hi = cpu_to_le32(pci64_dma_hi32(busaddr));
- cmd->dataseg[0].d_count = cpu_to_le32(Cmnd->request_bufflen);
- cmd->segment_cnt = cpu_to_le16(1);
- } else {
- cmd->dataseg[0].d_base = 0;
- cmd->dataseg[0].d_base_hi = 0;
- cmd->segment_cnt = cpu_to_le16(1); /* Shouldn't this be 0? */
- }
-
- if (Cmnd->sc_data_direction == DMA_TO_DEVICE)
- cmd->control_flags = cpu_to_le16(CFLAG_WRITE);
- else
- cmd->control_flags = cpu_to_le16(CFLAG_READ);
-
- if (Cmnd->device->tagged_supported) {
- if (time_after(jiffies, hostdata->tag_ages[Cmnd->device->id] + (2 * ISP_TIMEOUT))) {
- cmd->control_flags |= cpu_to_le16(CFLAG_ORDERED_TAG);
- hostdata->tag_ages[Cmnd->device->id] = jiffies;
- } else
- switch (Cmnd->tag) {
- case HEAD_OF_QUEUE_TAG:
- cmd->control_flags |= cpu_to_le16(CFLAG_HEAD_TAG);
- break;
- case ORDERED_QUEUE_TAG:
- cmd->control_flags |= cpu_to_le16(CFLAG_ORDERED_TAG);
- break;
- default:
- cmd->control_flags |= cpu_to_le16(CFLAG_SIMPLE_TAG);
- break;
- }
- }
- /*
- * TEST_UNIT_READY commands from scsi_scan will fail due to "overlapped
- * commands attempted" unless we setup at least a simple queue (midlayer
- * will embelish this once it can do an INQUIRY command to the device)
- */
- else
- cmd->control_flags |= cpu_to_le16(CFLAG_SIMPLE_TAG);
- outw(in_ptr, host->io_port + MBOX4);
- hostdata->req_in_ptr = in_ptr;
-
- hostdata->queued++;
-
- num_free = QLOGICFC_REQ_QUEUE_LEN - REQ_QUEUE_DEPTH(in_ptr, out_ptr);
- num_free = (num_free > 2) ? num_free - 2 : 0;
- host->can_queue = host->host_busy + num_free;
- if (host->can_queue > QLOGICFC_REQ_QUEUE_LEN)
- host->can_queue = QLOGICFC_REQ_QUEUE_LEN;
- host->sg_tablesize = QLOGICFC_MAX_SG(num_free);
-
- LEAVE("isp2x00_queuecommand");
-
- return 0;
-}
-
-
-/* we have received an event, such as a lip or an RSCN, which may mean that
- * our port database is incorrect so the port database must be recreated.
- */
-static void redo_port_db(unsigned long arg)
-{
-
- struct Scsi_Host * host = (struct Scsi_Host *) arg;
- struct isp2x00_hostdata * hostdata;
- unsigned long flags;
- int i;
-
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
- hostdata->explore_timer.data = 0;
- del_timer(&hostdata->explore_timer);
-
- spin_lock_irqsave(host->host_lock, flags);
-
- if (hostdata->adapter_state & AS_REDO_FABRIC_PORTDB || hostdata->adapter_state & AS_REDO_LOOP_PORTDB) {
- isp2x00_make_portdb(host);
- printk("qlogicfc%d : Port Database\n", hostdata->host_id);
- for (i = 0; hostdata->port_db[i].wwn != 0; i++) {
- printk("wwn: %08x%08x scsi_id: %x loop_id: ", (u_int) (hostdata->port_db[i].wwn >> 32), (u_int) hostdata->port_db[i].wwn, i);
- if (hostdata->port_db[i].loop_id != hostdata->port_db[0].loop_id || i == 0)
- printk("%x", hostdata->port_db[i].loop_id);
- else
- printk("Not Available");
- printk("\n");
- }
-
- for (i = 0; i < QLOGICFC_REQ_QUEUE_LEN; i++){
- if (hostdata->handle_ptrs[i] && (hostdata->port_db[hostdata->handle_ptrs[i]->device->id].loop_id > QLOGICFC_MAX_LOOP_ID || hostdata->adapter_state & AS_REDO_LOOP_PORTDB)){
- if (hostdata->port_db[hostdata->handle_ptrs[i]->device->id].loop_id != hostdata->port_db[0].loop_id){
- Scsi_Cmnd *Cmnd = hostdata->handle_ptrs[i];
-
- if (Cmnd->use_sg)
- pci_unmap_sg(hostdata->pci_dev,
- (struct scatterlist *)Cmnd->buffer,
- Cmnd->use_sg,
- Cmnd->sc_data_direction);
- else if (Cmnd->request_bufflen &&
- Cmnd->sc_data_direction != PCI_DMA_NONE) {
- pci_unmap_page(hostdata->pci_dev,
- Cmnd->SCp.dma_handle,
- Cmnd->request_bufflen,
- Cmnd->sc_data_direction);
- }
-
- hostdata->handle_ptrs[i]->result = DID_SOFT_ERROR << 16;
-
- if (hostdata->handle_ptrs[i]->scsi_done){
- (*hostdata->handle_ptrs[i]->scsi_done) (hostdata->handle_ptrs[i]);
- }
- else printk("qlogicfc%d : done is null?\n", hostdata->host_id);
- hostdata->handle_ptrs[i] = NULL;
- hostdata->handle_serials[i] = 0;
- }
- }
- }
-
- hostdata->adapter_state = AS_LOOP_GOOD;
- }
-
- spin_unlock_irqrestore(host->host_lock, flags);
-
-}
-
-#define ASYNC_EVENT_INTERRUPT 0x01
-
-irqreturn_t do_isp2x00_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
-{
- struct Scsi_Host *host = dev_id;
- unsigned long flags;
-
- spin_lock_irqsave(host->host_lock, flags);
- isp2x00_intr_handler(irq, dev_id, regs);
- spin_unlock_irqrestore(host->host_lock, flags);
-
- return IRQ_HANDLED;
-}
-
-void isp2x00_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
-{
- Scsi_Cmnd *Cmnd;
- struct Status_Entry *sts;
- struct Scsi_Host *host = dev_id;
- struct isp2x00_hostdata *hostdata;
- u_int in_ptr, out_ptr, handle, num_free;
- u_short status;
-
- ENTER_INTR("isp2x00_intr_handler");
-
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
-
- DEBUG_INTR(printk("qlogicfc%d : interrupt on line %d\n", hostdata->host_id, irq));
-
- if (!(inw(host->io_port + PCI_INTER_STS) & 0x08)) {
- /* spurious interrupts can happen legally */
- DEBUG_INTR(printk("qlogicfc%d : got spurious interrupt\n", hostdata->host_id));
- return;
- }
- in_ptr = inw(host->io_port + MBOX5);
- out_ptr = hostdata->res_out_ptr;
-
- if ((inw(host->io_port + PCI_SEMAPHORE) & ASYNC_EVENT_INTERRUPT)) {
- status = inw(host->io_port + MBOX0);
-
- DEBUG_INTR(printk("qlogicfc%d : mbox completion status: %x\n",
- hostdata->host_id, status));
-
- switch (status) {
- case LOOP_UP:
- case POINT_TO_POINT_UP:
- printk("qlogicfc%d : Link is Up\n", hostdata->host_id);
- hostdata->adapter_state = AS_REDO_FABRIC_PORTDB | AS_REDO_LOOP_PORTDB;
- break;
- case LOOP_DOWN:
- printk("qlogicfc%d : Link is Down\n", hostdata->host_id);
- hostdata->adapter_state = AS_LOOP_DOWN;
- break;
- case CONNECTION_MODE:
- printk("received CONNECTION_MODE irq %x\n", inw(host->io_port + MBOX1));
- break;
- case CHANGE_NOTIFICATION:
- printk("qlogicfc%d : RSCN Received\n", hostdata->host_id);
- if (hostdata->adapter_state == AS_LOOP_GOOD)
- hostdata->adapter_state = AS_REDO_FABRIC_PORTDB;
- break;
- case LIP_OCCURRED:
- case LIP_RECEIVED:
- printk("qlogicfc%d : Loop Reinitialized\n", hostdata->host_id);
- if (hostdata->adapter_state == AS_LOOP_GOOD)
- hostdata->adapter_state = AS_REDO_LOOP_PORTDB;
- break;
- case SYSTEM_ERROR:
- printk("qlogicfc%d : The firmware just choked.\n", hostdata->host_id);
- hostdata->adapter_state = AS_FIRMWARE_DEAD;
- break;
- case SCSI_COMMAND_COMPLETE:
- handle = inw(host->io_port + MBOX1) | (inw(host->io_port + MBOX2) << 16);
- Cmnd = hostdata->handle_ptrs[handle];
- hostdata->handle_ptrs[handle] = NULL;
- hostdata->handle_serials[handle] = 0;
- hostdata->queued--;
- if (Cmnd != NULL) {
- if (Cmnd->use_sg)
- pci_unmap_sg(hostdata->pci_dev,
- (struct scatterlist *)Cmnd->buffer,
- Cmnd->use_sg,
- Cmnd->sc_data_direction);
- else if (Cmnd->request_bufflen &&
- Cmnd->sc_data_direction != PCI_DMA_NONE)
- pci_unmap_page(hostdata->pci_dev,
- Cmnd->SCp.dma_handle,
- Cmnd->request_bufflen,
- Cmnd->sc_data_direction);
- Cmnd->result = 0x0;
- (*Cmnd->scsi_done) (Cmnd);
- } else
- printk("qlogicfc%d.c : got a null value out of handle_ptrs, this sucks\n", hostdata->host_id);
- break;
- case MBOX_COMMAND_COMPLETE:
- case INVALID_COMMAND:
- case HOST_INTERFACE_ERROR:
- case TEST_FAILED:
- case COMMAND_ERROR:
- case COMMAND_PARAM_ERROR:
- case PORT_ID_USED:
- case LOOP_ID_USED:
- case ALL_IDS_USED:
- hostdata->mbox_done = 1;
- outw(HCCR_CLEAR_RISC_INTR, host->io_port + HOST_HCCR);
- return;
- default:
- printk("qlogicfc%d : got an unknown status? %x\n", hostdata->host_id, status);
- }
- if ((hostdata->adapter_state & AS_REDO_LOOP_PORTDB || hostdata->adapter_state & AS_REDO_FABRIC_PORTDB) && hostdata->explore_timer.data == 0){
- hostdata->explore_timer.function = redo_port_db;
- hostdata->explore_timer.data = (unsigned long)host;
- hostdata->explore_timer.expires = jiffies + (HZ/4);
- init_timer(&hostdata->explore_timer);
- add_timer(&hostdata->explore_timer);
- }
- outw(0x0, host->io_port + PCI_SEMAPHORE);
- } else {
- DEBUG_INTR(printk("qlogicfc%d : response queue update\n", hostdata->host_id));
- DEBUG_INTR(printk("qlogicfc%d : response queue depth %d\n", hostdata->host_id, RES_QUEUE_DEPTH(in_ptr, out_ptr)));
-
- while (out_ptr != in_ptr) {
- unsigned le_hand;
- sts = (struct Status_Entry *) &hostdata->res[out_ptr*QUEUE_ENTRY_LEN];
- out_ptr = (out_ptr + 1) & RES_QUEUE_LEN;
-
- TRACE("done", out_ptr, Cmnd);
- DEBUG_INTR(isp2x00_print_status_entry(sts));
- le_hand = le32_to_cpu(sts->handle);
- if (sts->hdr.entry_type == ENTRY_STATUS && (Cmnd = hostdata->handle_ptrs[le_hand])) {
- Cmnd->result = isp2x00_return_status(Cmnd, sts);
- hostdata->queued--;
-
- if (Cmnd->use_sg)
- pci_unmap_sg(hostdata->pci_dev,
- (struct scatterlist *)Cmnd->buffer, Cmnd->use_sg,
- Cmnd->sc_data_direction);
- else if (Cmnd->request_bufflen && Cmnd->sc_data_direction != PCI_DMA_NONE)
- pci_unmap_page(hostdata->pci_dev,
- Cmnd->SCp.dma_handle,
- Cmnd->request_bufflen,
- Cmnd->sc_data_direction);
-
- /*
- * if any of the following are true we do not
- * call scsi_done. if the status is CS_ABORTED
- * we don't have to call done because the upper
- * level should already know its aborted.
- */
- if (hostdata->handle_serials[le_hand] != Cmnd->serial_number
- || le16_to_cpu(sts->completion_status) == CS_ABORTED){
- hostdata->handle_serials[le_hand] = 0;
- hostdata->handle_ptrs[le_hand] = NULL;
- outw(out_ptr, host->io_port + MBOX5);
- continue;
- }
- /*
- * if we get back an error indicating the port
- * is not there or if the link is down and
- * this is a device that used to be there
- * allow the command to timeout.
- * the device may well be back in a couple of
- * seconds.
- */
- if ((hostdata->adapter_state == AS_LOOP_DOWN || sts->completion_status == cpu_to_le16(CS_PORT_UNAVAILABLE) || sts->completion_status == cpu_to_le16(CS_PORT_LOGGED_OUT) || sts->completion_status == cpu_to_le16(CS_PORT_CONFIG_CHANGED)) && hostdata->port_db[Cmnd->device->id].wwn){
- outw(out_ptr, host->io_port + MBOX5);
- continue;
- }
- } else {
- outw(out_ptr, host->io_port + MBOX5);
- continue;
- }
-
- hostdata->handle_ptrs[le_hand] = NULL;
-
- if (sts->completion_status == cpu_to_le16(CS_RESET_OCCURRED)
- || (sts->status_flags & cpu_to_le16(STF_BUS_RESET)))
- hostdata->send_marker = 1;
-
- if (le16_to_cpu(sts->scsi_status) & 0x0200)
- memcpy(Cmnd->sense_buffer, sts->req_sense_data,
- sizeof(Cmnd->sense_buffer));
-
- outw(out_ptr, host->io_port + MBOX5);
-
- if (Cmnd->scsi_done != NULL) {
- (*Cmnd->scsi_done) (Cmnd);
- } else
- printk("qlogicfc%d : Ouch, scsi done is NULL\n", hostdata->host_id);
- }
- hostdata->res_out_ptr = out_ptr;
- }
-
-
- out_ptr = inw(host->io_port + MBOX4);
- in_ptr = hostdata->req_in_ptr;
-
- num_free = QLOGICFC_REQ_QUEUE_LEN - REQ_QUEUE_DEPTH(in_ptr, out_ptr);
- num_free = (num_free > 2) ? num_free - 2 : 0;
- host->can_queue = host->host_busy + num_free;
- if (host->can_queue > QLOGICFC_REQ_QUEUE_LEN)
- host->can_queue = QLOGICFC_REQ_QUEUE_LEN;
- host->sg_tablesize = QLOGICFC_MAX_SG(num_free);
-
- outw(HCCR_CLEAR_RISC_INTR, host->io_port + HOST_HCCR);
- LEAVE_INTR("isp2x00_intr_handler");
-}
-
-
-static int isp2x00_return_status(Scsi_Cmnd *Cmnd, struct Status_Entry *sts)
-{
- int host_status = DID_ERROR;
-#if DEBUG_ISP2x00_INTR
- static char *reason[] =
- {
- "DID_OK",
- "DID_NO_CONNECT",
- "DID_BUS_BUSY",
- "DID_TIME_OUT",
- "DID_BAD_TARGET",
- "DID_ABORT",
- "DID_PARITY",
- "DID_ERROR",
- "DID_RESET",
- "DID_BAD_INTR"
- };
-#endif /* DEBUG_ISP2x00_INTR */
-
- ENTER("isp2x00_return_status");
-
- DEBUG(printk("qlogicfc : completion status = 0x%04x\n",
- le16_to_cpu(sts->completion_status)));
-
- switch (le16_to_cpu(sts->completion_status)) {
- case CS_COMPLETE:
- host_status = DID_OK;
- break;
- case CS_DMA_ERROR:
- host_status = DID_ERROR;
- break;
- case CS_RESET_OCCURRED:
- host_status = DID_RESET;
- break;
- case CS_ABORTED:
- host_status = DID_ABORT;
- break;
- case CS_TIMEOUT:
- host_status = DID_TIME_OUT;
- break;
- case CS_DATA_OVERRUN:
- host_status = DID_ERROR;
- break;
- case CS_DATA_UNDERRUN:
- if (Cmnd->underflow <= (Cmnd->request_bufflen - le32_to_cpu(sts->residual)))
- host_status = DID_OK;
- else
- host_status = DID_ERROR;
- break;
- case CS_PORT_UNAVAILABLE:
- case CS_PORT_LOGGED_OUT:
- case CS_PORT_CONFIG_CHANGED:
- host_status = DID_BAD_TARGET;
- break;
- case CS_QUEUE_FULL:
- host_status = DID_ERROR;
- break;
- default:
- printk("qlogicfc : unknown completion status 0x%04x\n",
- le16_to_cpu(sts->completion_status));
- host_status = DID_ERROR;
- break;
- }
-
- DEBUG_INTR(printk("qlogicfc : host status (%s) scsi status %x\n",
- reason[host_status], le16_to_cpu(sts->scsi_status)));
-
- LEAVE("isp2x00_return_status");
-
- return (le16_to_cpu(sts->scsi_status) & STATUS_MASK) | (host_status << 16);
-}
-
-
-static int isp2x00_abort(Scsi_Cmnd * Cmnd)
-{
- u_short param[8];
- int i;
- struct Scsi_Host *host;
- struct isp2x00_hostdata *hostdata;
- int return_status = SUCCESS;
-
- ENTER("isp2x00_abort");
-
- host = Cmnd->device->host;
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
-
- for (i = 0; i < QLOGICFC_REQ_QUEUE_LEN; i++)
- if (hostdata->handle_ptrs[i] == Cmnd)
- break;
-
- if (i == QLOGICFC_REQ_QUEUE_LEN){
- return SUCCESS;
- }
-
- isp2x00_disable_irqs(host);
-
- param[0] = MBOX_ABORT_IOCB;
-#if ISP2x00_PORTDB
- param[1] = (((u_short) hostdata->port_db[Cmnd->device->id].loop_id) << 8) | Cmnd->device->lun;
-#else
- param[1] = (((u_short) Cmnd->target) << 8) | Cmnd->lun;
-#endif
- param[2] = i & 0xffff;
- param[3] = i >> 16;
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] != MBOX_COMMAND_COMPLETE) {
- printk("qlogicfc%d : scsi abort failure: %x\n", hostdata->host_id, param[0]);
- if (param[0] == 0x4005)
- Cmnd->result = DID_ERROR << 16;
- if (param[0] == 0x4006)
- Cmnd->result = DID_BAD_TARGET << 16;
- return_status = FAILED;
- }
-
- if (return_status != SUCCESS){
- param[0] = MBOX_GET_FIRMWARE_STATE;
- isp2x00_mbox_command(host, param);
- printk("qlogicfc%d : abort failed\n", hostdata->host_id);
- printk("qlogicfc%d : firmware status is %x %x\n", hostdata->host_id, param[0], param[1]);
- }
-
- isp2x00_enable_irqs(host);
-
- LEAVE("isp2x00_abort");
-
- return return_status;
-}
-
-
-static int isp2x00_biosparam(struct scsi_device *sdev, struct block_device *n,
- sector_t capacity, int ip[])
-{
- int size = capacity;
-
- ENTER("isp2x00_biosparam");
-
- ip[0] = 64;
- ip[1] = 32;
- ip[2] = size >> 11;
- if (ip[2] > 1024) {
- ip[0] = 255;
- ip[1] = 63;
- ip[2] = size / (ip[0] * ip[1]);
- }
- LEAVE("isp2x00_biosparam");
-
- return 0;
-}
-
-static int isp2x00_reset_hardware(struct Scsi_Host *host)
-{
- u_short param[8];
- struct isp2x00_hostdata *hostdata;
- int loop_count;
- dma_addr_t busaddr;
-
- ENTER("isp2x00_reset_hardware");
-
- hostdata = (struct isp2x00_hostdata *) host->hostdata;
-
- /*
- * This cannot be right - PCI writes are posted
- * (apparently this is hardware design flaw not software ?)
- */
-
- outw(0x01, host->io_port + ISP_CTRL_STATUS);
- udelay(100);
- outw(HCCR_RESET, host->io_port + HOST_HCCR);
- udelay(100);
- outw(HCCR_RELEASE, host->io_port + HOST_HCCR);
- outw(HCCR_BIOS_DISABLE, host->io_port + HOST_HCCR);
-
- loop_count = DEFAULT_LOOP_COUNT;
- while (--loop_count && inw(host->io_port + HOST_HCCR) == RISC_BUSY) {
- barrier();
- cpu_relax();
- }
- if (!loop_count)
- printk("qlogicfc%d : reset_hardware loop timeout\n", hostdata->host_id);
-
-
-
-#if DEBUG_ISP2x00
- printk("qlogicfc%d : mbox 0 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX0));
- printk("qlogicfc%d : mbox 1 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX1));
- printk("qlogicfc%d : mbox 2 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX2));
- printk("qlogicfc%d : mbox 3 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX3));
- printk("qlogicfc%d : mbox 4 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX4));
- printk("qlogicfc%d : mbox 5 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX5));
- printk("qlogicfc%d : mbox 6 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX6));
- printk("qlogicfc%d : mbox 7 0x%04x \n", hostdata->host_id, inw(host->io_port + MBOX7));
-#endif /* DEBUG_ISP2x00 */
-
- DEBUG(printk("qlogicfc%d : verifying checksum\n", hostdata->host_id));
-
-#if defined(CONFIG_SCSI_QLOGIC_FC_FIRMWARE)
- {
- int i;
- unsigned short * risc_code = NULL;
- unsigned short risc_code_len = 0;
- if (hostdata->pci_dev->device == PCI_DEVICE_ID_QLOGIC_ISP2100){
- risc_code = risc_code2100;
- risc_code_len = risc_code_length2100;
- }
- else if (hostdata->pci_dev->device == PCI_DEVICE_ID_QLOGIC_ISP2200){
- risc_code = risc_code2200;
- risc_code_len = risc_code_length2200;
- }
-
- for (i = 0; i < risc_code_len; i++) {
- param[0] = MBOX_WRITE_RAM_WORD;
- param[1] = risc_code_addr01 + i;
- param[2] = risc_code[i];
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] != MBOX_COMMAND_COMPLETE) {
- printk("qlogicfc%d : firmware load failure\n", hostdata->host_id);
- return 1;
- }
- }
- }
-#endif /* RELOAD_FIRMWARE */
-
- param[0] = MBOX_VERIFY_CHECKSUM;
- param[1] = risc_code_addr01;
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] != MBOX_COMMAND_COMPLETE) {
- printk("qlogicfc%d : ram checksum failure\n", hostdata->host_id);
- return 1;
- }
- DEBUG(printk("qlogicfc%d : executing firmware\n", hostdata->host_id));
-
- param[0] = MBOX_EXEC_FIRMWARE;
- param[1] = risc_code_addr01;
-
- isp2x00_mbox_command(host, param);
-
- param[0] = MBOX_ABOUT_FIRMWARE;
-
- isp2x00_mbox_command(host, param);
-
- if (param[0] != MBOX_COMMAND_COMPLETE) {
- printk("qlogicfc%d : about firmware failure\n", hostdata->host_id);
- return 1;
- }
- DEBUG(printk("qlogicfc%d : firmware major revision %d\n", hostdata->host_id, param[1]));
- DEBUG(printk("qlogicfc%d : firmware minor revision %d\n", hostdata->host_id, param[2]));
-
-#ifdef USE_NVRAM_DEFAULTS
-
- if (isp2x00_get_nvram_defaults(host, &hostdata->control_block) != 0) {
- printk("qlogicfc%d : Could not read from NVRAM\n", hostdata->host_id);
- }
-#endif
-
- hostdata->wwn = (u64) (cpu_to_le16(hostdata->control_block.node_name[0])) << 56;
- hostdata->wwn |= (u64) (cpu_to_le16(hostdata->control_block.node_name[0]) & 0xff00) << 48;
- hostdata->wwn |= (u64) (cpu_to_le16(hostdata->control_block.node_name[1]) & 0xff00) << 24;
- hostdata->wwn |= (u64) (cpu_to_le16(hostdata->control_block.node_name[1]) & 0x00ff) << 48;
- hostdata->wwn |= (u64) (cpu_to_le16(hostdata->control_block.node_name[2]) & 0x00ff) << 24;
- hostdata->wwn |= (u64) (cpu_to_le16(hostdata->control_block.node_name[2]) & 0xff00) << 8;
- hostdata->wwn |= (u64) (cpu_to_le16(hostdata->control_block.node_name[3]) & 0x00ff) << 8;
- hostdata->wwn |= (u64) (cpu_to_le16(hostdata->control_block.node_name[3]) & 0xff00) >> 8;
-
- /* FIXME: If the DMA transfer goes one way only, this should use
- * PCI_DMA_TODEVICE and below as well.
- */
- busaddr = pci_map_page(hostdata->pci_dev,
- virt_to_page(&hostdata->control_block),
- offset_in_page(&hostdata->control_block),
- sizeof(hostdata->control_block),
- PCI_DMA_BIDIRECTIONAL);
-
- param[0] = MBOX_INIT_FIRMWARE;
- param[2] = (u_short) (pci64_dma_lo32(busaddr) >> 16);
- param[3] = (u_short) (pci64_dma_lo32(busaddr) & 0xffff);
- param[4] = 0;
- param[5] = 0;
- param[6] = (u_short) (pci64_dma_hi32(busaddr) >> 16);
- param[7] = (u_short) (pci64_dma_hi32(busaddr) & 0xffff);
- isp2x00_mbox_command(host, param);
- if (param[0] != MBOX_COMMAND_COMPLETE) {
- printk("qlogicfc%d.c: Ouch 0x%04x\n", hostdata->host_id, param[0]);
- pci_unmap_page(hostdata->pci_dev, busaddr,
- sizeof(hostdata->control_block),
- PCI_DMA_BIDIRECTIONAL);
- return 1;
- }
- param[0] = MBOX_GET_FIRMWARE_STATE;
- isp2x00_mbox_command(host, param);
- if (param[0] != MBOX_COMMAND_COMPLETE) {
- printk("qlogicfc%d.c: 0x%04x\n", hostdata->host_id, param[0]);
- pci_unmap_page(hostdata->pci_dev, busaddr,
- sizeof(hostdata->control_block),
- PCI_DMA_BIDIRECTIONAL);
- return 1;
- }
-
- pci_unmap_page(hostdata->pci_dev, busaddr,
- sizeof(hostdata->control_block),
- PCI_DMA_BIDIRECTIONAL);
- LEAVE("isp2x00_reset_hardware");
-
- return 0;
-}
-
-#ifdef USE_NVRAM_DEFAULTS
-
-static int isp2x00_get_nvram_defaults(struct Scsi_Host *host, struct init_cb *control_block)
-{
-
- u_short value;
- if (isp2x00_read_nvram_word(host, 0) != 0x5349)
- return 1;
-
- value = isp2x00_read_nvram_word(host, 8);
- control_block->node_name[0] = cpu_to_le16(isp2x00_read_nvram_word(host, 9));
- control_block->node_name[1] = cpu_to_le16(isp2x00_read_nvram_word(host, 10));
- control_block->node_name[2] = cpu_to_le16(isp2x00_read_nvram_word(host, 11));
- control_block->node_name[3] = cpu_to_le16(isp2x00_read_nvram_word(host, 12));
- control_block->hard_addr = cpu_to_le16(isp2x00_read_nvram_word(host, 13));
-
- return 0;
-
-}
-
-#endif
-
-static int isp2x00_init(struct Scsi_Host *sh)
-{
- u_long io_base;
- struct isp2x00_hostdata *hostdata;
- u_char revision;
- u_int irq;
- u_short command;
- struct pci_dev *pdev;
-
-
- ENTER("isp2x00_init");
-
- hostdata = (struct isp2x00_hostdata *) sh->hostdata;
- pdev = hostdata->pci_dev;
-
- if (pci_read_config_word(pdev, PCI_COMMAND, &command)
- || pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision)) {
- printk("qlogicfc%d : error reading PCI configuration\n", hostdata->host_id);
- return 1;
- }
- io_base = pci_resource_start(pdev, 0);
- irq = pdev->irq;
-
-
- if (pdev->vendor != PCI_VENDOR_ID_QLOGIC) {
- printk("qlogicfc%d : 0x%04x is not QLogic vendor ID\n", hostdata->host_id,
- pdev->vendor);
- return 1;
- }
- if (pdev->device != PCI_DEVICE_ID_QLOGIC_ISP2100 && pdev->device != PCI_DEVICE_ID_QLOGIC_ISP2200) {
- printk("qlogicfc%d : 0x%04x does not match ISP2100 or ISP2200 device id\n", hostdata->host_id,
- pdev->device);
- return 1;
- }
- if (!(command & PCI_COMMAND_IO) ||
- !(pdev->resource[0].flags & IORESOURCE_IO)) {
- printk("qlogicfc%d : i/o mapping is disabled\n", hostdata->host_id);
- return 1;
- }
-
- pci_set_master(pdev);
- if (revision != ISP2100_REV_ID1 && revision != ISP2100_REV_ID3 && revision != ISP2200_REV_ID5)
- printk("qlogicfc%d : new isp2x00 revision ID (%d)\n", hostdata->host_id, revision);
-
-
- hostdata->revision = revision;
-
- sh->irq = irq;
- sh->io_port = io_base;
-
- LEAVE("isp2x00_init");
-
- return 0;
-}
-
-#if USE_NVRAM_DEFAULTS
-
-#define NVRAM_DELAY() udelay(10) /* 10 microsecond delay */
-
-
-u_short isp2x00_read_nvram_word(struct Scsi_Host * host, u_short byte)
-{
- int i;
- u_short value, output, input;
-
- outw(0x2, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
- outw(0x3, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
-
- byte &= 0xff;
- byte |= 0x0600;
- for (i = 10; i >= 0; i--) {
- output = ((byte >> i) & 0x1) ? 0x4 : 0x0;
- outw(output | 0x2, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
- outw(output | 0x3, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
- outw(output | 0x2, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
- }
-
- for (i = 0xf, value = 0; i >= 0; i--) {
- value <<= 1;
- outw(0x3, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
- input = inw(host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
- outw(0x2, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
- if (input & 0x8)
- value |= 1;
- }
-
- outw(0x0, host->io_port + PCI_NVRAM);
- NVRAM_DELAY();
-
- return value;
-}
-
-
-#endif /* USE_NVRAM_DEFAULTS */
-
-
-
-/*
- * currently, this is only called during initialization or abort/reset,
- * at which times interrupts are disabled, so polling is OK, I guess...
- */
-static int isp2x00_mbox_command(struct Scsi_Host *host, u_short param[])
-{
- int loop_count;
- struct isp2x00_hostdata *hostdata = (struct isp2x00_hostdata *) host->hostdata;
-
- if (mbox_param[param[0]] == 0 || hostdata->adapter_state == AS_FIRMWARE_DEAD)
- return 1;
-
- loop_count = DEFAULT_LOOP_COUNT;
- while (--loop_count && inw(host->io_port + HOST_HCCR) & 0x0080) {
- barrier();
- cpu_relax();
- }
- if (!loop_count) {
- printk("qlogicfc%d : mbox_command loop timeout #1\n", hostdata->host_id);
- param[0] = 0x4006;
- hostdata->adapter_state = AS_FIRMWARE_DEAD;
- return 1;
- }
- hostdata->mbox_done = 0;
-
- if (mbox_param[param[0]] == 0)
- printk("qlogicfc%d : invalid mbox command\n", hostdata->host_id);
-
- if (mbox_param[param[0]] & 0x80)
- outw(param[7], host->io_port + MBOX7);
- if (mbox_param[param[0]] & 0x40)
- outw(param[6], host->io_port + MBOX6);
- if (mbox_param[param[0]] & 0x20)
- outw(param[5], host->io_port + MBOX5);
- if (mbox_param[param[0]] & 0x10)
- outw(param[4], host->io_port + MBOX4);
- if (mbox_param[param[0]] & 0x08)
- outw(param[3], host->io_port + MBOX3);
- if (mbox_param[param[0]] & 0x04)
- outw(param[2], host->io_port + MBOX2);
- if (mbox_param[param[0]] & 0x02)
- outw(param[1], host->io_port + MBOX1);
- if (mbox_param[param[0]] & 0x01)
- outw(param[0], host->io_port + MBOX0);
-
-
- outw(HCCR_SET_HOST_INTR, host->io_port + HOST_HCCR);
-
- while (1) {
- loop_count = DEFAULT_LOOP_COUNT;
- while (--loop_count && !(inw(host->io_port + PCI_INTER_STS) & 0x08)) {
- barrier();
- cpu_relax();
- }
-
- if (!loop_count) {
- hostdata->adapter_state = AS_FIRMWARE_DEAD;
- printk("qlogicfc%d : mbox_command loop timeout #2\n", hostdata->host_id);
- break;
- }
- isp2x00_intr_handler(host->irq, host, NULL);
-
- if (hostdata->mbox_done == 1)
- break;
-
- }
-
- loop_count = DEFAULT_LOOP_COUNT;
- while (--loop_count && inw(host->io_port + MBOX0) == 0x04) {
- barrier();
- cpu_relax();
- }
- if (!loop_count)
- printk("qlogicfc%d : mbox_command loop timeout #3\n", hostdata->host_id);
-
- param[7] = inw(host->io_port + MBOX7);
- param[6] = inw(host->io_port + MBOX6);
- param[5] = inw(host->io_port + MBOX5);
- param[4] = inw(host->io_port + MBOX4);
- param[3] = inw(host->io_port + MBOX3);
- param[2] = inw(host->io_port + MBOX2);
- param[1] = inw(host->io_port + MBOX1);
- param[0] = inw(host->io_port + MBOX0);
-
-
- outw(0x0, host->io_port + PCI_SEMAPHORE);
-
- if (inw(host->io_port + HOST_HCCR) & 0x0080) {
- hostdata->adapter_state = AS_FIRMWARE_DEAD;
- printk("qlogicfc%d : mbox op is still pending\n", hostdata->host_id);
- }
- return 0;
-}
-
-#if DEBUG_ISP2x00_INTR
-
-void isp2x00_print_status_entry(struct Status_Entry *status)
-{
- printk("qlogicfc : entry count = 0x%02x, type = 0x%02x, flags = 0x%02x\n",
- status->hdr.entry_cnt, status->hdr.entry_type, status->hdr.flags);
- printk("qlogicfc : scsi status = 0x%04x, completion status = 0x%04x\n",
- le16_to_cpu(status->scsi_status), le16_to_cpu(status->completion_status));
- printk("qlogicfc : state flags = 0x%04x, status flags = 0x%04x\n",
- le16_to_cpu(status->state_flags), le16_to_cpu(status->status_flags));
- printk("qlogicfc : response info length = 0x%04x, request sense length = 0x%04x\n",
- le16_to_cpu(status->res_info_len), le16_to_cpu(status->req_sense_len));
- printk("qlogicfc : residual transfer length = 0x%08x, response = 0x%02x\n", le32_to_cpu(status->residual), status->res_info[3]);
-
-}
-
-#endif /* DEBUG_ISP2x00_INTR */
-
-
-#if DEBUG_ISP2x00
-
-void isp2x00_print_scsi_cmd(Scsi_Cmnd * cmd)
-{
- int i;
-
- printk("qlogicfc : target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n",
- cmd->target, cmd->lun, cmd->cmd_len);
- printk("qlogicfc : command = ");
- for (i = 0; i < cmd->cmd_len; i++)
- printk("0x%02x ", cmd->cmnd[i]);
- printk("\n");
-}
-
-#endif /* DEBUG_ISP2x00 */
-
-MODULE_LICENSE("GPL");
-
-static struct scsi_host_template driver_template = {
- .detect = isp2x00_detect,
- .release = isp2x00_release,
- .info = isp2x00_info,
- .queuecommand = isp2x00_queuecommand,
- .eh_abort_handler = isp2x00_abort,
- .bios_param = isp2x00_biosparam,
- .can_queue = QLOGICFC_REQ_QUEUE_LEN,
- .this_id = -1,
- .sg_tablesize = QLOGICFC_MAX_SG(QLOGICFC_REQ_QUEUE_LEN),
- .cmd_per_lun = QLOGICFC_CMD_PER_LUN,
- .use_clustering = ENABLE_CLUSTERING,
-};
-#include "scsi_module.c"