338 lines
12 KiB
C
338 lines
12 KiB
C
/***************************************************************************
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dpti.h - description
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-------------------
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begin : Thu Sep 7 2000
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copyright : (C) 2001 by Adaptec
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See Documentation/scsi/dpti.txt for history, notes, license info
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and credits
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef _DPT_H
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#define _DPT_H
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#define MAX_TO_IOP_MESSAGES (255)
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#define MAX_FROM_IOP_MESSAGES (255)
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/*
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* SCSI interface function Prototypes
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*/
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static int adpt_detect(struct scsi_host_template * sht);
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static int adpt_queue(struct scsi_cmnd * cmd, void (*cmdcomplete) (struct scsi_cmnd *));
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static int adpt_abort(struct scsi_cmnd * cmd);
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static int adpt_reset(struct scsi_cmnd* cmd);
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static int adpt_release(struct Scsi_Host *host);
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static int adpt_slave_configure(struct scsi_device *);
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static const char *adpt_info(struct Scsi_Host *pSHost);
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static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev,
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sector_t, int geom[]);
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static int adpt_bus_reset(struct scsi_cmnd* cmd);
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static int adpt_device_reset(struct scsi_cmnd* cmd);
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/*
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* struct scsi_host_template (see scsi/scsi_host.h)
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*/
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#define DPT_DRIVER_NAME "Adaptec I2O RAID"
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#ifndef HOSTS_C
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#include "dpt/sys_info.h"
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#include <linux/wait.h>
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#include "dpt/dpti_i2o.h"
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#include "dpt/dpti_ioctl.h"
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#define DPT_I2O_VERSION "2.4 Build 5go"
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#define DPT_VERSION 2
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#define DPT_REVISION '4'
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#define DPT_SUBREVISION '5'
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#define DPT_BETA ""
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#define DPT_MONTH 8
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#define DPT_DAY 7
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#define DPT_YEAR (2001-1980)
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#define DPT_DRIVER "dpt_i2o"
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#define DPTI_I2O_MAJOR (151)
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#define DPT_ORGANIZATION_ID (0x1B) /* For Private Messages */
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#define DPTI_MAX_HBA (16)
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#define MAX_CHANNEL (5) // Maximum Channel # Supported
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#define MAX_ID (128) // Maximum Target ID Supported
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/* Sizes in 4 byte words */
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#define REPLY_FRAME_SIZE (17)
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#define MAX_MESSAGE_SIZE (128)
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#define SG_LIST_ELEMENTS (56)
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#define EMPTY_QUEUE 0xffffffff
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#define I2O_INTERRUPT_PENDING_B (0x08)
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#define PCI_DPT_VENDOR_ID (0x1044) // DPT PCI Vendor ID
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#define PCI_DPT_DEVICE_ID (0xA501) // DPT PCI I2O Device ID
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#define PCI_DPT_RAPTOR_DEVICE_ID (0xA511)
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/* Debugging macro from Linux Device Drivers - Rubini */
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#undef PDEBUG
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#ifdef DEBUG
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//TODO add debug level switch
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# define PDEBUG(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
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# define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
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#else
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# define PDEBUG(fmt, args...) /* not debugging: nothing */
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# define PDEBUGV(fmt, args...) /* not debugging: nothing */
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#endif
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#define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args)
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#define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args)
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#define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args)
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#define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args)
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#define SHUTDOWN_SIGS (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
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// Command timeouts
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#define FOREVER (0)
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#define TMOUT_INQUIRY (20)
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#define TMOUT_FLUSH (360/45)
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#define TMOUT_ABORT (30)
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#define TMOUT_SCSI (300)
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#define TMOUT_IOPRESET (360)
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#define TMOUT_GETSTATUS (15)
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#define TMOUT_INITOUTBOUND (15)
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#define TMOUT_LCT (360)
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#define I2O_SCSI_DEVICE_DSC_MASK 0x00FF
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#define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION 0x000A
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#define I2O_SCSI_DSC_MASK 0xFF00
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#define I2O_SCSI_DSC_SUCCESS 0x0000
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#define I2O_SCSI_DSC_REQUEST_ABORTED 0x0200
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#define I2O_SCSI_DSC_UNABLE_TO_ABORT 0x0300
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#define I2O_SCSI_DSC_COMPLETE_WITH_ERROR 0x0400
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#define I2O_SCSI_DSC_ADAPTER_BUSY 0x0500
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#define I2O_SCSI_DSC_REQUEST_INVALID 0x0600
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#define I2O_SCSI_DSC_PATH_INVALID 0x0700
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#define I2O_SCSI_DSC_DEVICE_NOT_PRESENT 0x0800
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#define I2O_SCSI_DSC_UNABLE_TO_TERMINATE 0x0900
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#define I2O_SCSI_DSC_SELECTION_TIMEOUT 0x0A00
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#define I2O_SCSI_DSC_COMMAND_TIMEOUT 0x0B00
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#define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED 0x0D00
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#define I2O_SCSI_DSC_SCSI_BUS_RESET 0x0E00
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#define I2O_SCSI_DSC_PARITY_ERROR_FAILURE 0x0F00
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#define I2O_SCSI_DSC_AUTOSENSE_FAILED 0x1000
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#define I2O_SCSI_DSC_NO_ADAPTER 0x1100
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#define I2O_SCSI_DSC_DATA_OVERRUN 0x1200
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#define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE 0x1300
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#define I2O_SCSI_DSC_SEQUENCE_FAILURE 0x1400
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#define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR 0x1500
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#define I2O_SCSI_DSC_PROVIDE_FAILURE 0x1600
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#define I2O_SCSI_DSC_BDR_MESSAGE_SENT 0x1700
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#define I2O_SCSI_DSC_REQUEST_TERMINATED 0x1800
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#define I2O_SCSI_DSC_IDE_MESSAGE_SENT 0x3300
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#define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE 0x3400
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#define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT 0x3500
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#define I2O_SCSI_DSC_MESSAGE_RECEIVED 0x3600
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#define I2O_SCSI_DSC_INVALID_CDB 0x3700
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#define I2O_SCSI_DSC_LUN_INVALID 0x3800
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#define I2O_SCSI_DSC_SCSI_TID_INVALID 0x3900
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#define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE 0x3A00
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#define I2O_SCSI_DSC_NO_NEXUS 0x3B00
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#define I2O_SCSI_DSC_SCSI_IID_INVALID 0x3C00
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#define I2O_SCSI_DSC_CDB_RECEIVED 0x3D00
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#define I2O_SCSI_DSC_LUN_ALREADY_ENABLED 0x3E00
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#define I2O_SCSI_DSC_BUS_BUSY 0x3F00
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#define I2O_SCSI_DSC_QUEUE_FROZEN 0x4000
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#define HBA_FLAGS_INSTALLED_B 0x00000001 // Adapter Was Installed
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#define HBA_FLAGS_BLINKLED_B 0x00000002 // Adapter In Blink LED State
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#define HBA_FLAGS_IN_RESET 0x00000040 /* in reset */
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#define HBA_HOSTRESET_FAILED 0x00000080 /* adpt_resethost failed */
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// Device state flags
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#define DPTI_DEV_ONLINE 0x00
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#define DPTI_DEV_UNSCANNED 0x01
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#define DPTI_DEV_RESET 0x02
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#define DPTI_DEV_OFFLINE 0x04
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struct adpt_device {
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struct adpt_device* next_lun;
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u32 flags;
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u32 type;
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u32 capacity;
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u32 block_size;
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u8 scsi_channel;
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u8 scsi_id;
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u8 scsi_lun;
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u8 state;
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u16 tid;
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struct i2o_device* pI2o_dev;
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struct scsi_device *pScsi_dev;
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};
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struct adpt_channel {
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struct adpt_device* device[MAX_ID]; /* used as an array of 128 scsi ids */
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u8 scsi_id;
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u8 type;
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u16 tid;
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u32 state;
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struct i2o_device* pI2o_dev;
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};
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// HBA state flags
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#define DPTI_STATE_RESET (0x01)
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#define DPTI_STATE_IOCTL (0x02)
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typedef struct _adpt_hba {
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struct _adpt_hba *next;
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struct pci_dev *pDev;
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struct Scsi_Host *host;
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u32 state;
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spinlock_t state_lock;
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int unit;
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int host_no; /* SCSI host number */
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u8 initialized;
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u8 in_use; /* is the management node open*/
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char name[32];
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char detail[55];
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void __iomem *base_addr_virt;
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void __iomem *msg_addr_virt;
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ulong base_addr_phys;
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void __iomem *post_port;
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void __iomem *reply_port;
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void __iomem *irq_mask;
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u16 post_count;
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u32 post_fifo_size;
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u32 reply_fifo_size;
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u32* reply_pool;
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dma_addr_t reply_pool_pa;
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u32 sg_tablesize; // Scatter/Gather List Size.
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u8 top_scsi_channel;
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u8 top_scsi_id;
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u8 top_scsi_lun;
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u8 dma64;
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i2o_status_block* status_block;
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dma_addr_t status_block_pa;
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i2o_hrt* hrt;
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dma_addr_t hrt_pa;
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i2o_lct* lct;
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dma_addr_t lct_pa;
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uint lct_size;
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struct i2o_device* devices;
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struct adpt_channel channel[MAX_CHANNEL];
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struct proc_dir_entry* proc_entry; /* /proc dir */
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void __iomem *FwDebugBuffer_P; // Virtual Address Of FW Debug Buffer
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u32 FwDebugBufferSize; // FW Debug Buffer Size In Bytes
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void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len
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void __iomem *FwDebugFlags_P; // Virtual Address Of FW Debug Flags
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void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED
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void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED
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u32 FwDebugFlags;
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u32 *ioctl_reply_context[4];
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} adpt_hba;
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struct sg_simple_element {
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u32 flag_count;
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u32 addr_bus;
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};
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/*
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* Function Prototypes
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*/
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static void adpt_i2o_sys_shutdown(void);
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static int adpt_init(void);
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static int adpt_i2o_build_sys_table(void);
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static irqreturn_t adpt_isr(int irq, void *dev_id);
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static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
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static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
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int group, int field, void *buf, int buflen);
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#ifdef DEBUG
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static const char *adpt_i2o_get_class_name(int class);
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#endif
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static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
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void *opblk, dma_addr_t opblk_pa, int oplen,
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void *resblk, dma_addr_t resblk_pa, int reslen);
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static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
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static int adpt_i2o_lct_get(adpt_hba* pHba);
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static int adpt_i2o_parse_lct(adpt_hba* pHba);
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static int adpt_i2o_activate_hba(adpt_hba* pHba);
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static int adpt_i2o_enable_hba(adpt_hba* pHba);
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static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
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static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
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static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
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static s32 adpt_i2o_status_get(adpt_hba* pHba);
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static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
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static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
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static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
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static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd);
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static s32 adpt_scsi_host_alloc(adpt_hba* pHba,struct scsi_host_template * sht);
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static s32 adpt_hba_reset(adpt_hba* pHba);
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static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
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static s32 adpt_rescan(adpt_hba* pHba);
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static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
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static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
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static void adpt_i2o_delete_hba(adpt_hba* pHba);
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static void adpt_inquiry(adpt_hba* pHba);
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static void adpt_fail_posted_scbs(adpt_hba* pHba);
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static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun);
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static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
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static int adpt_i2o_online_hba(adpt_hba* pHba);
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static void adpt_i2o_post_wait_complete(u32, int);
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static int adpt_i2o_systab_send(adpt_hba* pHba);
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static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
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static int adpt_open(struct inode *inode, struct file *file);
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static int adpt_close(struct inode *inode, struct file *file);
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#ifdef UARTDELAY
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static void adpt_delay(int millisec);
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#endif
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#define PRINT_BUFFER_SIZE 512
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#define HBA_FLAGS_DBG_FLAGS_MASK 0xffff0000 // Mask for debug flags
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#define HBA_FLAGS_DBG_KERNEL_PRINT_B 0x00010000 // Kernel Debugger Print
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#define HBA_FLAGS_DBG_FW_PRINT_B 0x00020000 // Firmware Debugger Print
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#define HBA_FLAGS_DBG_FUNCTION_ENTRY_B 0x00040000 // Function Entry Point
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#define HBA_FLAGS_DBG_FUNCTION_EXIT_B 0x00080000 // Function Exit
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#define HBA_FLAGS_DBG_ERROR_B 0x00100000 // Error Conditions
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#define HBA_FLAGS_DBG_INIT_B 0x00200000 // Init Prints
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#define HBA_FLAGS_DBG_OS_COMMANDS_B 0x00400000 // OS Command Info
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#define HBA_FLAGS_DBG_SCAN_B 0x00800000 // Device Scan
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#define FW_DEBUG_STR_LENGTH_OFFSET 0
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#define FW_DEBUG_FLAGS_OFFSET 4
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#define FW_DEBUG_BLED_OFFSET 8
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#define FW_DEBUG_FLAGS_NO_HEADERS_B 0x01
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#endif /* !HOSTS_C */
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#endif /* _DPT_H */
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