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kernel/linux-imx6_3.14.28/drivers/scsi/dpti.h 11.5 KB
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  /***************************************************************************
                            dpti.h  -  description
                               -------------------
      begin                : Thu Sep 7 2000
      copyright            : (C) 2001 by Adaptec
  
      See Documentation/scsi/dpti.txt for history, notes, license info
      and credits
   ***************************************************************************/
  
  /***************************************************************************
   *                                                                         *
   *   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 of the License, or     *
   *   (at your option) any later version.                                   *
   *                                                                         *
   ***************************************************************************/
  
  #ifndef _DPT_H
  #define _DPT_H
  
  #define MAX_TO_IOP_MESSAGES   (255)
  #define MAX_FROM_IOP_MESSAGES (255)
  
  
  /*
   * SCSI interface function Prototypes
   */
  
  static int adpt_detect(struct scsi_host_template * sht);
  static int adpt_queue(struct Scsi_Host *h, struct scsi_cmnd * cmd);
  static int adpt_abort(struct scsi_cmnd * cmd);
  static int adpt_reset(struct scsi_cmnd* cmd);
  static int adpt_release(struct Scsi_Host *host);
  static int adpt_slave_configure(struct scsi_device *);
  
  static const char *adpt_info(struct Scsi_Host *pSHost);
  static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev,
  		sector_t, int geom[]);
  
  static int adpt_bus_reset(struct scsi_cmnd* cmd);
  static int adpt_device_reset(struct scsi_cmnd* cmd);
  
  
  /*
   * struct scsi_host_template (see scsi/scsi_host.h)
   */
  
  #define DPT_DRIVER_NAME	"Adaptec I2O RAID"
  
  #ifndef HOSTS_C
  
  #include "dpt/sys_info.h"
  #include <linux/wait.h>
  #include "dpt/dpti_i2o.h"
  #include "dpt/dpti_ioctl.h"
  
  #define DPT_I2O_VERSION "2.4 Build 5go"
  #define DPT_VERSION     2
  #define DPT_REVISION    '4'
  #define DPT_SUBREVISION '5'
  #define DPT_BETA	""
  #define DPT_MONTH      8 
  #define DPT_DAY        7
  #define DPT_YEAR        (2001-1980)
  
  #define DPT_DRIVER	"dpt_i2o"
  #define DPTI_I2O_MAJOR	(151)
  #define DPT_ORGANIZATION_ID (0x1B)        /* For Private Messages */
  #define DPTI_MAX_HBA	(16)
  #define MAX_CHANNEL     (5)	// Maximum Channel # Supported
  #define MAX_ID        	(128)	// Maximum Target ID Supported
  
  /* Sizes in 4 byte words */
  #define REPLY_FRAME_SIZE  (17)
  #define MAX_MESSAGE_SIZE  (128)
  #define SG_LIST_ELEMENTS  (56)
  
  #define EMPTY_QUEUE           0xffffffff
  #define I2O_INTERRUPT_PENDING_B   (0x08)
  
  #define PCI_DPT_VENDOR_ID         (0x1044)	// DPT PCI Vendor ID
  #define PCI_DPT_DEVICE_ID         (0xA501)	// DPT PCI I2O Device ID
  #define PCI_DPT_RAPTOR_DEVICE_ID  (0xA511)	
  
  /* Debugging macro from Linux Device Drivers - Rubini */
  #undef PDEBUG
  #ifdef DEBUG
  //TODO add debug level switch
  #  define PDEBUG(fmt, args...)  printk(KERN_DEBUG "dpti: " fmt, ##args)
  #  define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
  #else
  # define PDEBUG(fmt, args...) /* not debugging: nothing */
  # define PDEBUGV(fmt, args...) /* not debugging: nothing */
  #endif
  
  #define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args)
  #define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args)
  #define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args)
  #define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args)
  
  #define SHUTDOWN_SIGS	(sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
  
  // Command timeouts
  #define FOREVER			(0)
  #define TMOUT_INQUIRY 		(20)
  #define TMOUT_FLUSH		(360/45)
  #define TMOUT_ABORT		(30)
  #define TMOUT_SCSI		(300)
  #define TMOUT_IOPRESET		(360)
  #define TMOUT_GETSTATUS		(15)
  #define TMOUT_INITOUTBOUND	(15)
  #define TMOUT_LCT		(360)
  
  
  #define I2O_SCSI_DEVICE_DSC_MASK                0x00FF
  
  #define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION  0x000A
  
  #define I2O_SCSI_DSC_MASK                   0xFF00
  #define I2O_SCSI_DSC_SUCCESS                0x0000
  #define I2O_SCSI_DSC_REQUEST_ABORTED        0x0200
  #define I2O_SCSI_DSC_UNABLE_TO_ABORT        0x0300
  #define I2O_SCSI_DSC_COMPLETE_WITH_ERROR    0x0400
  #define I2O_SCSI_DSC_ADAPTER_BUSY           0x0500
  #define I2O_SCSI_DSC_REQUEST_INVALID        0x0600
  #define I2O_SCSI_DSC_PATH_INVALID           0x0700
  #define I2O_SCSI_DSC_DEVICE_NOT_PRESENT     0x0800
  #define I2O_SCSI_DSC_UNABLE_TO_TERMINATE    0x0900
  #define I2O_SCSI_DSC_SELECTION_TIMEOUT      0x0A00
  #define I2O_SCSI_DSC_COMMAND_TIMEOUT        0x0B00
  #define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED    0x0D00
  #define I2O_SCSI_DSC_SCSI_BUS_RESET         0x0E00
  #define I2O_SCSI_DSC_PARITY_ERROR_FAILURE   0x0F00
  #define I2O_SCSI_DSC_AUTOSENSE_FAILED       0x1000
  #define I2O_SCSI_DSC_NO_ADAPTER             0x1100
  #define I2O_SCSI_DSC_DATA_OVERRUN           0x1200
  #define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE    0x1300
  #define I2O_SCSI_DSC_SEQUENCE_FAILURE       0x1400
  #define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR   0x1500
  #define I2O_SCSI_DSC_PROVIDE_FAILURE        0x1600
  #define I2O_SCSI_DSC_BDR_MESSAGE_SENT       0x1700
  #define I2O_SCSI_DSC_REQUEST_TERMINATED     0x1800
  #define I2O_SCSI_DSC_IDE_MESSAGE_SENT       0x3300
  #define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE   0x3400
  #define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT   0x3500
  #define I2O_SCSI_DSC_MESSAGE_RECEIVED       0x3600
  #define I2O_SCSI_DSC_INVALID_CDB            0x3700
  #define I2O_SCSI_DSC_LUN_INVALID            0x3800
  #define I2O_SCSI_DSC_SCSI_TID_INVALID       0x3900
  #define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE   0x3A00
  #define I2O_SCSI_DSC_NO_NEXUS               0x3B00
  #define I2O_SCSI_DSC_SCSI_IID_INVALID       0x3C00
  #define I2O_SCSI_DSC_CDB_RECEIVED           0x3D00
  #define I2O_SCSI_DSC_LUN_ALREADY_ENABLED    0x3E00
  #define I2O_SCSI_DSC_BUS_BUSY               0x3F00
  #define I2O_SCSI_DSC_QUEUE_FROZEN           0x4000
  
  
  #ifndef TRUE
  #define TRUE                  1
  #define FALSE                 0
  #endif
  
  #define HBA_FLAGS_INSTALLED_B       0x00000001	// Adapter Was Installed
  #define HBA_FLAGS_BLINKLED_B        0x00000002	// Adapter In Blink LED State
  #define HBA_FLAGS_IN_RESET	0x00000040	/* in reset */
  #define HBA_HOSTRESET_FAILED	0x00000080	/* adpt_resethost failed */
  
  
  // Device state flags
  #define DPTI_DEV_ONLINE    0x00
  #define DPTI_DEV_UNSCANNED 0x01
  #define DPTI_DEV_RESET	   0x02
  #define DPTI_DEV_OFFLINE   0x04
  
  
  struct adpt_device {
  	struct adpt_device* next_lun;
  	u32	flags;
  	u32	type;
  	u32	capacity;
  	u32	block_size;
  	u8	scsi_channel;
  	u8	scsi_id;
  	u8 	scsi_lun;
  	u8	state;
  	u16	tid;
  	struct i2o_device* pI2o_dev;
  	struct scsi_device *pScsi_dev;
  };
  
  struct adpt_channel {
  	struct adpt_device* device[MAX_ID];	/* used as an array of 128 scsi ids */
  	u8	scsi_id;
  	u8	type;
  	u16	tid;
  	u32	state;
  	struct i2o_device* pI2o_dev;
  };
  
  // HBA state flags
  #define DPTI_STATE_RESET	(0x01)
  
  typedef struct _adpt_hba {
  	struct _adpt_hba *next;
  	struct pci_dev *pDev;
  	struct Scsi_Host *host;
  	u32 state;
  	spinlock_t state_lock;
  	int unit;
  	int host_no;		/* SCSI host number */
  	u8 initialized;
  	u8 in_use;		/* is the management node open*/
  
  	char name[32];
  	char detail[55];
  
  	void __iomem *base_addr_virt;
  	void __iomem *msg_addr_virt;
  	ulong base_addr_phys;
  	void __iomem *post_port;
  	void __iomem *reply_port;
  	void __iomem *irq_mask;
  	u16  post_count;
  	u32  post_fifo_size;
  	u32  reply_fifo_size;
  	u32* reply_pool;
  	dma_addr_t reply_pool_pa;
  	u32  sg_tablesize;	// Scatter/Gather List Size.       
  	u8  top_scsi_channel;
  	u8  top_scsi_id;
  	u8  top_scsi_lun;
  	u8  dma64;
  
  	i2o_status_block* status_block;
  	dma_addr_t status_block_pa;
  	i2o_hrt* hrt;
  	dma_addr_t hrt_pa;
  	i2o_lct* lct;
  	dma_addr_t lct_pa;
  	uint lct_size;
  	struct i2o_device* devices;
  	struct adpt_channel channel[MAX_CHANNEL];
  	struct proc_dir_entry* proc_entry;	/* /proc dir */
  
  	void __iomem *FwDebugBuffer_P;	// Virtual Address Of FW Debug Buffer
  	u32   FwDebugBufferSize;	// FW Debug Buffer Size In Bytes
  	void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len
  	void __iomem *FwDebugFlags_P;	// Virtual Address Of FW Debug Flags 
  	void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED
  	void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED
  	u32 FwDebugFlags;
  	u32 *ioctl_reply_context[4];
  } adpt_hba;
  
  struct sg_simple_element {
     u32  flag_count;
     u32 addr_bus;
  }; 
  
  /*
   * Function Prototypes
   */
  
  static void adpt_i2o_sys_shutdown(void);
  static int adpt_init(void);
  static int adpt_i2o_build_sys_table(void);
  static irqreturn_t adpt_isr(int irq, void *dev_id);
  
  static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
  static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid, 
  			int group, int field, void *buf, int buflen);
  #ifdef DEBUG
  static const char *adpt_i2o_get_class_name(int class);
  #endif
  static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid, 
  		  void *opblk, dma_addr_t opblk_pa, int oplen,
  		  void *resblk, dma_addr_t resblk_pa, int reslen);
  static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
  static int adpt_i2o_lct_get(adpt_hba* pHba);
  static int adpt_i2o_parse_lct(adpt_hba* pHba);
  static int adpt_i2o_activate_hba(adpt_hba* pHba);
  static int adpt_i2o_enable_hba(adpt_hba* pHba);
  static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
  static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
  static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
  static s32 adpt_i2o_status_get(adpt_hba* pHba);
  static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
  static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
  static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
  static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd);
  static s32 adpt_scsi_host_alloc(adpt_hba* pHba,struct scsi_host_template * sht);
  static s32 adpt_hba_reset(adpt_hba* pHba);
  static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
  static s32 adpt_rescan(adpt_hba* pHba);
  static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
  static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
  static void adpt_i2o_delete_hba(adpt_hba* pHba);
  static void adpt_inquiry(adpt_hba* pHba);
  static void adpt_fail_posted_scbs(adpt_hba* pHba);
  static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun);
  static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
  static int adpt_i2o_online_hba(adpt_hba* pHba);
  static void adpt_i2o_post_wait_complete(u32, int);
  static int adpt_i2o_systab_send(adpt_hba* pHba);
  
  static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
  static int adpt_open(struct inode *inode, struct file *file);
  static int adpt_close(struct inode *inode, struct file *file);
  
  
  #ifdef UARTDELAY
  static void adpt_delay(int millisec);
  #endif
  
  #define PRINT_BUFFER_SIZE     512
  
  #define HBA_FLAGS_DBG_FLAGS_MASK         0xffff0000	// Mask for debug flags
  #define HBA_FLAGS_DBG_KERNEL_PRINT_B     0x00010000	// Kernel Debugger Print
  #define HBA_FLAGS_DBG_FW_PRINT_B         0x00020000	// Firmware Debugger Print
  #define HBA_FLAGS_DBG_FUNCTION_ENTRY_B   0x00040000	// Function Entry Point
  #define HBA_FLAGS_DBG_FUNCTION_EXIT_B    0x00080000	// Function Exit
  #define HBA_FLAGS_DBG_ERROR_B            0x00100000	// Error Conditions
  #define HBA_FLAGS_DBG_INIT_B             0x00200000	// Init Prints
  #define HBA_FLAGS_DBG_OS_COMMANDS_B      0x00400000	// OS Command Info
  #define HBA_FLAGS_DBG_SCAN_B             0x00800000	// Device Scan
  
  #define FW_DEBUG_STR_LENGTH_OFFSET 0
  #define FW_DEBUG_FLAGS_OFFSET      4
  #define FW_DEBUG_BLED_OFFSET       8
  
  #define FW_DEBUG_FLAGS_NO_HEADERS_B    0x01
  #endif				/* !HOSTS_C */
  #endif				/* _DPT_H */