drivers/scsi/dpti.h

   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 #ifndef LINUX_VERSION_CODE
  24 #include <linux/version.h>
  25 #endif
  26
  27 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,00)
  28 #define MAX_TO_IOP_MESSAGES   (210)
  29 #else
  30 #define MAX_TO_IOP_MESSAGES   (255)
  31 #endif
  32 #define MAX_FROM_IOP_MESSAGES (255)
  33
  34
  35 /*
  36  * SCSI interface function Prototypes
  37  */
  38
  39 static int adpt_detect(struct scsi_host_template * sht);
  40 static int adpt_queue(struct scsi_cmnd * cmd, void (*cmdcomplete) (struct scsi_cmnd *));
  41 static int adpt_abort(struct scsi_cmnd * cmd);
  42 static int adpt_reset(struct scsi_cmnd* cmd);
  43 static int adpt_release(struct Scsi_Host *host);
  44 static int adpt_slave_configure(struct scsi_device *);
  45
  46 static const char *adpt_info(struct Scsi_Host *pSHost);
  47 static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev,
  48                 sector_t, int geom[]);
  49
  50 static int adpt_bus_reset(struct scsi_cmnd* cmd);
  51 static int adpt_device_reset(struct scsi_cmnd* cmd);
  52
  53
  54 /*
  55  * Scsi_Host_Template (see hosts.h)
  56  */
  57
  58 #define DPT_DRIVER_NAME "Adaptec I2O RAID"
  59
  60 #ifndef HOSTS_C
  61
  62 #include "dpt/sys_info.h"
  63 #include <linux/wait.h>
  64 #include "dpt/dpti_i2o.h"
  65 #include "dpt/dpti_ioctl.h"
  66
  67 #define DPT_I2O_VERSION "2.4 Build 5go"
  68 #define DPT_VERSION     2
  69 #define DPT_REVISION    '4'
  70 #define DPT_SUBREVISION '5'
  71 #define DPT_BETA        ""
  72 #define DPT_MONTH      8
  73 #define DPT_DAY        7
  74 #define DPT_YEAR        (2001-1980)
  75
  76 #define DPT_DRIVER      "dpt_i2o"
  77 #define DPTI_I2O_MAJOR  (151)
  78 #define DPT_ORGANIZATION_ID (0x1B)        /* For Private Messages */
  79 #define DPTI_MAX_HBA    (16)
  80 #define MAX_CHANNEL     (5)     // Maximum Channel # Supported
  81 #define MAX_ID          (128)   // Maximum Target ID Supported
  82
  83 /* Sizes in 4 byte words */
  84 #define REPLY_FRAME_SIZE  (17)
  85 #define MAX_MESSAGE_SIZE  (128)
  86 #define SG_LIST_ELEMENTS  (56)
  87
  88 #define EMPTY_QUEUE           0xffffffff
  89 #define I2O_INTERRUPT_PENDING_B   (0x08)
  90
  91 #define PCI_DPT_VENDOR_ID         (0x1044)      // DPT PCI Vendor ID
  92 #define PCI_DPT_DEVICE_ID         (0xA501)      // DPT PCI I2O Device ID
  93 #define PCI_DPT_RAPTOR_DEVICE_ID  (0xA511)
  94
  95 //#define REBOOT_NOTIFIER 1
  96 /* Debugging macro from Linux Device Drivers - Rubini */
  97 #undef PDEBUG
  98 #ifdef DEBUG
  99 //TODO add debug level switch
 100 #  define PDEBUG(fmt, args...)  printk(KERN_DEBUG "dpti: " fmt, ##args)
 101 #  define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
 102 #else
 103 # define PDEBUG(fmt, args...) /* not debugging: nothing */
 104 # define PDEBUGV(fmt, args...) /* not debugging: nothing */
 105 #endif
 106
 107 #define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args)
 108 #define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args)
 109 #define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args)
 110 #define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args)
 111
 112 #define SHUTDOWN_SIGS   (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
 113
 114 // Command timeouts
 115 #define FOREVER                 (0)
 116 #define TMOUT_INQUIRY           (20)
 117 #define TMOUT_FLUSH             (360/45)
 118 #define TMOUT_ABORT             (30)
 119 #define TMOUT_SCSI              (300)
 120 #define TMOUT_IOPRESET          (360)
 121 #define TMOUT_GETSTATUS         (15)
 122 #define TMOUT_INITOUTBOUND      (15)
 123 #define TMOUT_LCT               (360)
 124
 125
 126 #define I2O_SCSI_DEVICE_DSC_MASK                0x00FF
 127
 128 #define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION  0x000A
 129
 130 #define I2O_SCSI_DSC_MASK                   0xFF00
 131 #define I2O_SCSI_DSC_SUCCESS                0x0000
 132 #define I2O_SCSI_DSC_REQUEST_ABORTED        0x0200
 133 #define I2O_SCSI_DSC_UNABLE_TO_ABORT        0x0300
 134 #define I2O_SCSI_DSC_COMPLETE_WITH_ERROR    0x0400
 135 #define I2O_SCSI_DSC_ADAPTER_BUSY           0x0500
 136 #define I2O_SCSI_DSC_REQUEST_INVALID        0x0600
 137 #define I2O_SCSI_DSC_PATH_INVALID           0x0700
 138 #define I2O_SCSI_DSC_DEVICE_NOT_PRESENT     0x0800
 139 #define I2O_SCSI_DSC_UNABLE_TO_TERMINATE    0x0900
 140 #define I2O_SCSI_DSC_SELECTION_TIMEOUT      0x0A00
 141 #define I2O_SCSI_DSC_COMMAND_TIMEOUT        0x0B00
 142 #define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED    0x0D00
 143 #define I2O_SCSI_DSC_SCSI_BUS_RESET         0x0E00
 144 #define I2O_SCSI_DSC_PARITY_ERROR_FAILURE   0x0F00
 145 #define I2O_SCSI_DSC_AUTOSENSE_FAILED       0x1000
 146 #define I2O_SCSI_DSC_NO_ADAPTER             0x1100
 147 #define I2O_SCSI_DSC_DATA_OVERRUN           0x1200
 148 #define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE    0x1300
 149 #define I2O_SCSI_DSC_SEQUENCE_FAILURE       0x1400
 150 #define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR   0x1500
 151 #define I2O_SCSI_DSC_PROVIDE_FAILURE        0x1600
 152 #define I2O_SCSI_DSC_BDR_MESSAGE_SENT       0x1700
 153 #define I2O_SCSI_DSC_REQUEST_TERMINATED     0x1800
 154 #define I2O_SCSI_DSC_IDE_MESSAGE_SENT       0x3300
 155 #define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE   0x3400
 156 #define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT   0x3500
 157 #define I2O_SCSI_DSC_MESSAGE_RECEIVED       0x3600
 158 #define I2O_SCSI_DSC_INVALID_CDB            0x3700
 159 #define I2O_SCSI_DSC_LUN_INVALID            0x3800
 160 #define I2O_SCSI_DSC_SCSI_TID_INVALID       0x3900
 161 #define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE   0x3A00
 162 #define I2O_SCSI_DSC_NO_NEXUS               0x3B00
 163 #define I2O_SCSI_DSC_SCSI_IID_INVALID       0x3C00
 164 #define I2O_SCSI_DSC_CDB_RECEIVED           0x3D00
 165 #define I2O_SCSI_DSC_LUN_ALREADY_ENABLED    0x3E00
 166 #define I2O_SCSI_DSC_BUS_BUSY               0x3F00
 167 #define I2O_SCSI_DSC_QUEUE_FROZEN           0x4000
 168
 169
 170 #ifndef TRUE
 171 #define TRUE                  1
 172 #define FALSE                 0
 173 #endif
 174
 175 #define HBA_FLAGS_INSTALLED_B       0x00000001  // Adapter Was Installed
 176 #define HBA_FLAGS_BLINKLED_B        0x00000002  // Adapter In Blink LED State
 177 #define HBA_FLAGS_IN_RESET      0x00000040      /* in reset */
 178 #define HBA_HOSTRESET_FAILED    0x00000080      /* adpt_resethost failed */
 179
 180
 181 // Device state flags
 182 #define DPTI_DEV_ONLINE    0x00
 183 #define DPTI_DEV_UNSCANNED 0x01
 184 #define DPTI_DEV_RESET     0x02
 185 #define DPTI_DEV_OFFLINE   0x04
 186
 187
 188 struct adpt_device {
 189         struct adpt_device* next_lun;
 190         u32     flags;
 191         u32     type;
 192         u32     capacity;
 193         u32     block_size;
 194         u8      scsi_channel;
 195         u8      scsi_id;
 196         u8      scsi_lun;
 197         u8      state;
 198         u16     tid;
 199         struct i2o_device* pI2o_dev;
 200         struct scsi_device *pScsi_dev;
 201 };
 202
 203 struct adpt_channel {
 204         struct adpt_device* device[MAX_ID];     /* used as an array of 128 scsi ids */
 205         u8      scsi_id;
 206         u8      type;
 207         u16     tid;
 208         u32     state;
 209         struct i2o_device* pI2o_dev;
 210 };
 211
 212 // HBA state flags
 213 #define DPTI_STATE_RESET        (0x01)
 214 #define DPTI_STATE_IOCTL        (0x02)
 215
 216 typedef struct _adpt_hba {
 217         struct _adpt_hba *next;
 218         struct pci_dev *pDev;
 219         struct Scsi_Host *host;
 220         u32 state;
 221         spinlock_t state_lock;
 222         int unit;
 223         int host_no;            /* SCSI host number */
 224         u8 initialized;
 225         u8 in_use;              /* is the management node open*/
 226
 227         char name[32];
 228         char detail[55];
 229
 230         void __iomem *base_addr_virt;
 231         void __iomem *msg_addr_virt;
 232         ulong base_addr_phys;
 233         void __iomem *post_port;
 234         void __iomem *reply_port;
 235         void __iomem *irq_mask;
 236         u16  post_count;
 237         u32  post_fifo_size;
 238         u32  reply_fifo_size;
 239         u32* reply_pool;
 240         u32  sg_tablesize;      // Scatter/Gather List Size.
 241         u8  top_scsi_channel;
 242         u8  top_scsi_id;
 243         u8  top_scsi_lun;
 244
 245         i2o_status_block* status_block;
 246         i2o_hrt* hrt;
 247         i2o_lct* lct;
 248         uint lct_size;
 249         struct i2o_device* devices;
 250         struct adpt_channel channel[MAX_CHANNEL];
 251         struct proc_dir_entry* proc_entry;      /* /proc dir */
 252
 253         void __iomem *FwDebugBuffer_P;  // Virtual Address Of FW Debug Buffer
 254         u32   FwDebugBufferSize;        // FW Debug Buffer Size In Bytes
 255         void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len
 256         void __iomem *FwDebugFlags_P;   // Virtual Address Of FW Debug Flags
 257         void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED
 258         void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED
 259         u32 FwDebugFlags;
 260 } adpt_hba;
 261
 262 struct sg_simple_element {
 263    u32  flag_count;
 264    u32 addr_bus;
 265 };
 266
 267 /*
 268  * Function Prototypes
 269  */
 270
 271 static void adpt_i2o_sys_shutdown(void);
 272 static int adpt_init(void);
 273 static int adpt_i2o_build_sys_table(void);
 274 static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs);
 275 #ifdef REBOOT_NOTIFIER
 276 static int adpt_reboot_event(struct notifier_block *n, ulong code, void *p);
 277 #endif
 278
 279 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
 280 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
 281                         int group, int field, void *buf, int buflen);
 282 #ifdef DEBUG
 283 static const char *adpt_i2o_get_class_name(int class);
 284 #endif
 285 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
 286                   void *opblk, int oplen, void *resblk, int reslen);
 287 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
 288 static int adpt_i2o_lct_get(adpt_hba* pHba);
 289 static int adpt_i2o_parse_lct(adpt_hba* pHba);
 290 static int adpt_i2o_activate_hba(adpt_hba* pHba);
 291 static int adpt_i2o_enable_hba(adpt_hba* pHba);
 292 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
 293 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
 294 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
 295 static s32 adpt_i2o_status_get(adpt_hba* pHba);
 296 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
 297 static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
 298 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
 299 static s32 adpt_i2o_to_scsi(ulong reply, struct scsi_cmnd* cmd);
 300 static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht);
 301 static s32 adpt_hba_reset(adpt_hba* pHba);
 302 static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
 303 static s32 adpt_rescan(adpt_hba* pHba);
 304 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
 305 static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
 306 static void adpt_i2o_delete_hba(adpt_hba* pHba);
 307 static void adpt_inquiry(adpt_hba* pHba);
 308 static void adpt_fail_posted_scbs(adpt_hba* pHba);
 309 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun);
 310 static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
 311 static int adpt_i2o_online_hba(adpt_hba* pHba);
 312 static void adpt_i2o_post_wait_complete(u32, int);
 313 static int adpt_i2o_systab_send(adpt_hba* pHba);
 314
 315 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
 316 static int adpt_open(struct inode *inode, struct file *file);
 317 static int adpt_close(struct inode *inode, struct file *file);
 318
 319
 320 #ifdef UARTDELAY
 321 static void adpt_delay(int millisec);
 322 #endif
 323
 324 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
 325 static struct pci_dev* adpt_pci_find_device(uint vendor, struct pci_dev* from);
 326 #endif
 327
 328 #if defined __ia64__
 329 static void adpt_ia64_info(sysInfo_S* si);
 330 #endif
 331 #if defined __sparc__
 332 static void adpt_sparc_info(sysInfo_S* si);
 333 #endif
 334 #if defined __alpha__
 335 static void adpt_sparc_info(sysInfo_S* si);
 336 #endif
 337 #if defined __i386__
 338 static void adpt_i386_info(sysInfo_S* si);
 339 #endif
 340
 341 #define PRINT_BUFFER_SIZE     512
 342
 343 #define HBA_FLAGS_DBG_FLAGS_MASK         0xffff0000     // Mask for debug flags
 344 #define HBA_FLAGS_DBG_KERNEL_PRINT_B     0x00010000     // Kernel Debugger Print
 345 #define HBA_FLAGS_DBG_FW_PRINT_B         0x00020000     // Firmware Debugger Print
 346 #define HBA_FLAGS_DBG_FUNCTION_ENTRY_B   0x00040000     // Function Entry Point
 347 #define HBA_FLAGS_DBG_FUNCTION_EXIT_B    0x00080000     // Function Exit
 348 #define HBA_FLAGS_DBG_ERROR_B            0x00100000     // Error Conditions
 349 #define HBA_FLAGS_DBG_INIT_B             0x00200000     // Init Prints
 350 #define HBA_FLAGS_DBG_OS_COMMANDS_B      0x00400000     // OS Command Info
 351 #define HBA_FLAGS_DBG_SCAN_B             0x00800000     // Device Scan
 352
 353 #define FW_DEBUG_STR_LENGTH_OFFSET 0
 354 #define FW_DEBUG_FLAGS_OFFSET      4
 355 #define FW_DEBUG_BLED_OFFSET       8
 356
 357 #define FW_DEBUG_FLAGS_NO_HEADERS_B    0x01
 358 #endif                          /* !HOSTS_C */
 359 #endif                          /* _DPT_H */