linux/drivers/scsi/dpti.h
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   1/***************************************************************************
   2                          dpti.h  -  description
   3                             -------------------
   4    begin                : Thu Sep 7 2000
   5    copyright            : (C) 2001 by Adaptec
   6
   7    See Documentation/scsi/dpti.txt for history, notes, license info
   8    and credits
   9 ***************************************************************************/
  10
  11/***************************************************************************
  12 *                                                                         *
  13 *   This program is free software; you can redistribute it and/or modify  *
  14 *   it under the terms of the GNU General Public License as published by  *
  15 *   the Free Software Foundation; either version 2 of the License, or     *
  16 *   (at your option) any later version.                                   *
  17 *                                                                         *
  18 ***************************************************************************/
  19
  20#ifndef _DPT_H
  21#define _DPT_H
  22
  23#define MAX_TO_IOP_MESSAGES   (255)
  24#define MAX_FROM_IOP_MESSAGES (255)
  25
  26
  27/*
  28 * SCSI interface function Prototypes
  29 */
  30
  31static int adpt_detect(struct scsi_host_template * sht);
  32static int adpt_queue(struct Scsi_Host *h, struct scsi_cmnd * cmd);
  33static int adpt_abort(struct scsi_cmnd * cmd);
  34static int adpt_reset(struct scsi_cmnd* cmd);
  35static int adpt_release(struct Scsi_Host *host);
  36static int adpt_slave_configure(struct scsi_device *);
  37
  38static const char *adpt_info(struct Scsi_Host *pSHost);
  39static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev,
  40                sector_t, int geom[]);
  41
  42static int adpt_bus_reset(struct scsi_cmnd* cmd);
  43static int adpt_device_reset(struct scsi_cmnd* cmd);
  44
  45
  46/*
  47 * struct scsi_host_template (see scsi/scsi_host.h)
  48 */
  49
  50#define DPT_DRIVER_NAME "Adaptec I2O RAID"
  51
  52#ifndef HOSTS_C
  53
  54#include "dpt/sys_info.h"
  55#include <linux/wait.h>
  56#include "dpt/dpti_i2o.h"
  57#include "dpt/dpti_ioctl.h"
  58
  59#define DPT_I2O_VERSION "2.4 Build 5go"
  60#define DPT_VERSION     2
  61#define DPT_REVISION    '4'
  62#define DPT_SUBREVISION '5'
  63#define DPT_BETA        ""
  64#define DPT_MONTH      8 
  65#define DPT_DAY        7
  66#define DPT_YEAR        (2001-1980)
  67
  68#define DPT_DRIVER      "dpt_i2o"
  69#define DPTI_I2O_MAJOR  (151)
  70#define DPT_ORGANIZATION_ID (0x1B)        /* For Private Messages */
  71#define DPTI_MAX_HBA    (16)
  72#define MAX_CHANNEL     (5)     // Maximum Channel # Supported
  73#define MAX_ID          (128)   // Maximum Target ID Supported
  74
  75/* Sizes in 4 byte words */
  76#define REPLY_FRAME_SIZE  (17)
  77#define MAX_MESSAGE_SIZE  (128)
  78#define SG_LIST_ELEMENTS  (56)
  79
  80#define EMPTY_QUEUE           0xffffffff
  81#define I2O_INTERRUPT_PENDING_B   (0x08)
  82
  83#define PCI_DPT_VENDOR_ID         (0x1044)      // DPT PCI Vendor ID
  84#define PCI_DPT_DEVICE_ID         (0xA501)      // DPT PCI I2O Device ID
  85#define PCI_DPT_RAPTOR_DEVICE_ID  (0xA511)      
  86
  87/* Debugging macro from Linux Device Drivers - Rubini */
  88#undef PDEBUG
  89#ifdef DEBUG
  90//TODO add debug level switch
  91#  define PDEBUG(fmt, args...)  printk(KERN_DEBUG "dpti: " fmt, ##args)
  92#  define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
  93#else
  94# define PDEBUG(fmt, args...) /* not debugging: nothing */
  95# define PDEBUGV(fmt, args...) /* not debugging: nothing */
  96#endif
  97
  98#define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args)
  99#define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args)
 100#define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args)
 101#define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args)
 102
 103#define SHUTDOWN_SIGS   (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
 104
 105// Command timeouts
 106#define FOREVER                 (0)
 107#define TMOUT_INQUIRY           (20)
 108#define TMOUT_FLUSH             (360/45)
 109#define TMOUT_ABORT             (30)
 110#define TMOUT_SCSI              (300)
 111#define TMOUT_IOPRESET          (360)
 112#define TMOUT_GETSTATUS         (15)
 113#define TMOUT_INITOUTBOUND      (15)
 114#define TMOUT_LCT               (360)
 115
 116
 117#define I2O_SCSI_DEVICE_DSC_MASK                0x00FF
 118
 119#define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION  0x000A
 120
 121#define I2O_SCSI_DSC_MASK                   0xFF00
 122#define I2O_SCSI_DSC_SUCCESS                0x0000
 123#define I2O_SCSI_DSC_REQUEST_ABORTED        0x0200
 124#define I2O_SCSI_DSC_UNABLE_TO_ABORT        0x0300
 125#define I2O_SCSI_DSC_COMPLETE_WITH_ERROR    0x0400
 126#define I2O_SCSI_DSC_ADAPTER_BUSY           0x0500
 127#define I2O_SCSI_DSC_REQUEST_INVALID        0x0600
 128#define I2O_SCSI_DSC_PATH_INVALID           0x0700
 129#define I2O_SCSI_DSC_DEVICE_NOT_PRESENT     0x0800
 130#define I2O_SCSI_DSC_UNABLE_TO_TERMINATE    0x0900
 131#define I2O_SCSI_DSC_SELECTION_TIMEOUT      0x0A00
 132#define I2O_SCSI_DSC_COMMAND_TIMEOUT        0x0B00
 133#define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED    0x0D00
 134#define I2O_SCSI_DSC_SCSI_BUS_RESET         0x0E00
 135#define I2O_SCSI_DSC_PARITY_ERROR_FAILURE   0x0F00
 136#define I2O_SCSI_DSC_AUTOSENSE_FAILED       0x1000
 137#define I2O_SCSI_DSC_NO_ADAPTER             0x1100
 138#define I2O_SCSI_DSC_DATA_OVERRUN           0x1200
 139#define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE    0x1300
 140#define I2O_SCSI_DSC_SEQUENCE_FAILURE       0x1400
 141#define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR   0x1500
 142#define I2O_SCSI_DSC_PROVIDE_FAILURE        0x1600
 143#define I2O_SCSI_DSC_BDR_MESSAGE_SENT       0x1700
 144#define I2O_SCSI_DSC_REQUEST_TERMINATED     0x1800
 145#define I2O_SCSI_DSC_IDE_MESSAGE_SENT       0x3300
 146#define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE   0x3400
 147#define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT   0x3500
 148#define I2O_SCSI_DSC_MESSAGE_RECEIVED       0x3600
 149#define I2O_SCSI_DSC_INVALID_CDB            0x3700
 150#define I2O_SCSI_DSC_LUN_INVALID            0x3800
 151#define I2O_SCSI_DSC_SCSI_TID_INVALID       0x3900
 152#define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE   0x3A00
 153#define I2O_SCSI_DSC_NO_NEXUS               0x3B00
 154#define I2O_SCSI_DSC_SCSI_IID_INVALID       0x3C00
 155#define I2O_SCSI_DSC_CDB_RECEIVED           0x3D00
 156#define I2O_SCSI_DSC_LUN_ALREADY_ENABLED    0x3E00
 157#define I2O_SCSI_DSC_BUS_BUSY               0x3F00
 158#define I2O_SCSI_DSC_QUEUE_FROZEN           0x4000
 159
 160
 161#ifndef TRUE
 162#define TRUE                  1
 163#define FALSE                 0
 164#endif
 165
 166#define HBA_FLAGS_INSTALLED_B       0x00000001  // Adapter Was Installed
 167#define HBA_FLAGS_BLINKLED_B        0x00000002  // Adapter In Blink LED State
 168#define HBA_FLAGS_IN_RESET      0x00000040      /* in reset */
 169#define HBA_HOSTRESET_FAILED    0x00000080      /* adpt_resethost failed */
 170
 171
 172// Device state flags
 173#define DPTI_DEV_ONLINE    0x00
 174#define DPTI_DEV_UNSCANNED 0x01
 175#define DPTI_DEV_RESET     0x02
 176#define DPTI_DEV_OFFLINE   0x04
 177
 178
 179struct adpt_device {
 180        struct adpt_device* next_lun;
 181        u32     flags;
 182        u32     type;
 183        u32     capacity;
 184        u32     block_size;
 185        u8      scsi_channel;
 186        u8      scsi_id;
 187        u8      scsi_lun;
 188        u8      state;
 189        u16     tid;
 190        struct i2o_device* pI2o_dev;
 191        struct scsi_device *pScsi_dev;
 192};
 193
 194struct adpt_channel {
 195        struct adpt_device* device[MAX_ID];     /* used as an array of 128 scsi ids */
 196        u8      scsi_id;
 197        u8      type;
 198        u16     tid;
 199        u32     state;
 200        struct i2o_device* pI2o_dev;
 201};
 202
 203// HBA state flags
 204#define DPTI_STATE_RESET        (0x01)
 205#define DPTI_STATE_IOCTL        (0x02)
 206
 207typedef struct _adpt_hba {
 208        struct _adpt_hba *next;
 209        struct pci_dev *pDev;
 210        struct Scsi_Host *host;
 211        u32 state;
 212        spinlock_t state_lock;
 213        int unit;
 214        int host_no;            /* SCSI host number */
 215        u8 initialized;
 216        u8 in_use;              /* is the management node open*/
 217
 218        char name[32];
 219        char detail[55];
 220
 221        void __iomem *base_addr_virt;
 222        void __iomem *msg_addr_virt;
 223        ulong base_addr_phys;
 224        void __iomem *post_port;
 225        void __iomem *reply_port;
 226        void __iomem *irq_mask;
 227        u16  post_count;
 228        u32  post_fifo_size;
 229        u32  reply_fifo_size;
 230        u32* reply_pool;
 231        dma_addr_t reply_pool_pa;
 232        u32  sg_tablesize;      // Scatter/Gather List Size.       
 233        u8  top_scsi_channel;
 234        u8  top_scsi_id;
 235        u8  top_scsi_lun;
 236        u8  dma64;
 237
 238        i2o_status_block* status_block;
 239        dma_addr_t status_block_pa;
 240        i2o_hrt* hrt;
 241        dma_addr_t hrt_pa;
 242        i2o_lct* lct;
 243        dma_addr_t lct_pa;
 244        uint lct_size;
 245        struct i2o_device* devices;
 246        struct adpt_channel channel[MAX_CHANNEL];
 247        struct proc_dir_entry* proc_entry;      /* /proc dir */
 248
 249        void __iomem *FwDebugBuffer_P;  // Virtual Address Of FW Debug Buffer
 250        u32   FwDebugBufferSize;        // FW Debug Buffer Size In Bytes
 251        void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len
 252        void __iomem *FwDebugFlags_P;   // Virtual Address Of FW Debug Flags 
 253        void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED
 254        void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED
 255        u32 FwDebugFlags;
 256        u32 *ioctl_reply_context[4];
 257} adpt_hba;
 258
 259struct sg_simple_element {
 260   u32  flag_count;
 261   u32 addr_bus;
 262}; 
 263
 264/*
 265 * Function Prototypes
 266 */
 267
 268static void adpt_i2o_sys_shutdown(void);
 269static int adpt_init(void);
 270static int adpt_i2o_build_sys_table(void);
 271static irqreturn_t adpt_isr(int irq, void *dev_id);
 272
 273static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
 274static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid, 
 275                        int group, int field, void *buf, int buflen);
 276#ifdef DEBUG
 277static const char *adpt_i2o_get_class_name(int class);
 278#endif
 279static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid, 
 280                  void *opblk, dma_addr_t opblk_pa, int oplen,
 281                  void *resblk, dma_addr_t resblk_pa, int reslen);
 282static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
 283static int adpt_i2o_lct_get(adpt_hba* pHba);
 284static int adpt_i2o_parse_lct(adpt_hba* pHba);
 285static int adpt_i2o_activate_hba(adpt_hba* pHba);
 286static int adpt_i2o_enable_hba(adpt_hba* pHba);
 287static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
 288static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
 289static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
 290static s32 adpt_i2o_status_get(adpt_hba* pHba);
 291static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
 292static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
 293static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
 294static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd);
 295static s32 adpt_scsi_host_alloc(adpt_hba* pHba,struct scsi_host_template * sht);
 296static s32 adpt_hba_reset(adpt_hba* pHba);
 297static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
 298static s32 adpt_rescan(adpt_hba* pHba);
 299static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
 300static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
 301static void adpt_i2o_delete_hba(adpt_hba* pHba);
 302static void adpt_inquiry(adpt_hba* pHba);
 303static void adpt_fail_posted_scbs(adpt_hba* pHba);
 304static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun);
 305static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
 306static int adpt_i2o_online_hba(adpt_hba* pHba);
 307static void adpt_i2o_post_wait_complete(u32, int);
 308static int adpt_i2o_systab_send(adpt_hba* pHba);
 309
 310static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
 311static int adpt_open(struct inode *inode, struct file *file);
 312static int adpt_close(struct inode *inode, struct file *file);
 313
 314
 315#ifdef UARTDELAY
 316static void adpt_delay(int millisec);
 317#endif
 318
 319#define PRINT_BUFFER_SIZE     512
 320
 321#define HBA_FLAGS_DBG_FLAGS_MASK         0xffff0000     // Mask for debug flags
 322#define HBA_FLAGS_DBG_KERNEL_PRINT_B     0x00010000     // Kernel Debugger Print
 323#define HBA_FLAGS_DBG_FW_PRINT_B         0x00020000     // Firmware Debugger Print
 324#define HBA_FLAGS_DBG_FUNCTION_ENTRY_B   0x00040000     // Function Entry Point
 325#define HBA_FLAGS_DBG_FUNCTION_EXIT_B    0x00080000     // Function Exit
 326#define HBA_FLAGS_DBG_ERROR_B            0x00100000     // Error Conditions
 327#define HBA_FLAGS_DBG_INIT_B             0x00200000     // Init Prints
 328#define HBA_FLAGS_DBG_OS_COMMANDS_B      0x00400000     // OS Command Info
 329#define HBA_FLAGS_DBG_SCAN_B             0x00800000     // Device Scan
 330
 331#define FW_DEBUG_STR_LENGTH_OFFSET 0
 332#define FW_DEBUG_FLAGS_OFFSET      4
 333#define FW_DEBUG_BLED_OFFSET       8
 334
 335#define FW_DEBUG_FLAGS_NO_HEADERS_B    0x01
 336#endif                          /* !HOSTS_C */
 337#endif                          /* _DPT_H */
 338
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