On Fri, Apr 20, 2007 at 10:38:49AM +0100, Alan Cox wrote:
> I'm looking for some testers for a revamp of the initio driver. No real
> code changes other than to hopefully stop it exploding on load on 64bit,
> but a major reorganisation, commenting and "de-windowsification" so the
> code is actually readable and I can do the pci_find_device to
> pci_get_device transitions.

Once again a pci_get_device conversation isn't all that helpfull at all.
fortunately in this case I've done a patch to convert this driver to
proper pci probing in 2004, and I've attached the forward-ported version
below now that we've actually found some testers that weren't locatable
back then..

This doesn't change much outside the initialization and irq code, so
any additional de-crappyfication will hopefully apply ontop.

Signed-off-by: Christoph Hellwig <[EMAIL PROTECTED]>

Index: linux-2.6/drivers/scsi/initio.c
===================================================================
--- linux-2.6.orig/drivers/scsi/initio.c        2007-04-22 15:06:10.000000000 
+0200
+++ linux-2.6/drivers/scsi/initio.c     2007-04-22 15:10:17.000000000 +0200
@@ -3,6 +3,7 @@
  *
  * Copyright (c) 1994-1998 Initio Corporation
  * Copyright (c) 1998 Bas Vermeulen <[EMAIL PROTECTED]>
+ * Copyright (c) 2004 Christoph Hellwig <[EMAIL PROTECTED]>
  * All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
@@ -137,60 +138,17 @@
 #include "initio.h"
 
 #define SENSE_SIZE             14
-
 #define i91u_MAXQUEUE          2
-#define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.04a"
 
-#define I950_DEVICE_ID 0x9500  /* Initio's inic-950 product ID   */
-#define I940_DEVICE_ID 0x9400  /* Initio's inic-940 product ID   */
-#define I935_DEVICE_ID 0x9401  /* Initio's inic-935 product ID   */
-#define I920_DEVICE_ID 0x0002  /* Initio's other product ID      */
+#define DEBUG_QUEUE            0
+#define DEBUG_STATE            0
 
 #ifdef DEBUG_i91u
 static unsigned int i91u_debug = DEBUG_DEFAULT;
-#endif
-
-#define TUL_RDWORD(x,y)         (short)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) 
))
-
-typedef struct PCI_ID_Struc {
-       unsigned short vendor_id;
-       unsigned short device_id;
-} PCI_ID;
-
-static int tul_num_ch = 4;     /* Maximum 4 adapters           */
-static int tul_num_scb;
-static int tul_tag_enable = 1;
-static SCB *tul_scb;
-
-#ifdef DEBUG_i91u
 static int setup_debug = 0;
 #endif
 
 static void i91uSCBPost(BYTE * pHcb, BYTE * pScb);
-
-/* PCI Devices supported by this driver */
-static struct pci_device_id i91u_pci_devices[] = {
-       { PCI_VENDOR_ID_INIT,  I950_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       { PCI_VENDOR_ID_INIT,  I940_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       { PCI_VENDOR_ID_INIT,  I935_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       { PCI_VENDOR_ID_INIT,  I920_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       { PCI_VENDOR_ID_DOMEX, I920_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       { }
-};
-MODULE_DEVICE_TABLE(pci, i91u_pci_devices);
-
-#define DEBUG_INTERRUPT 0
-#define DEBUG_QUEUE     0
-#define DEBUG_STATE     0
-#define INT_DISC       0
-
-/*--- external functions --*/
-static void tul_se2_wait(void);
-
-/*--- forward refrence ---*/
-static SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun);
-static SCB *tul_find_done_scb(HCS * pCurHcb);
-
 static int tulip_main(HCS * pCurHcb);
 
 static int tul_next_state(HCS * pCurHcb);
@@ -239,16 +197,11 @@ static int tul_se2_rd_all(WORD CurBase);
 static void tul_se2_update_all(WORD CurBase);  /* setup default pattern */
 static void tul_read_eeprom(WORD CurBase);
 
-                               /* ---- INTERNAL VARIABLES ---- */
-static HCS tul_hcs[MAX_SUPPORTED_ADAPTERS];
-static INI_ADPT_STRUCT i91u_adpt[MAX_SUPPORTED_ADAPTERS];
-
 /*NVRAM nvram, *nvramp = &nvram; */
 static NVRAM i91unvram;
 static NVRAM *i91unvramp;
 
 
-
 static UCHAR i91udftNvRam[64] =
 {
 /*----------- header -----------*/
@@ -582,52 +535,6 @@ void tul_read_eeprom(WORD CurBase)
        TUL_WR(CurBase + TUL_GCTRL, gctrl & ~TUL_GCTRL_EEPROM_BIT);
 }                              /* read_eeprom */
 
-static int Addi91u_into_Adapter_table(WORD wBIOS, WORD wBASE, BYTE bInterrupt,
-                                     BYTE bBus, BYTE bDevice)
-{
-       int i, j;
-
-       for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) {
-               if (i91u_adpt[i].ADPT_BIOS < wBIOS)
-                       continue;
-               if (i91u_adpt[i].ADPT_BIOS == wBIOS) {
-                       if (i91u_adpt[i].ADPT_BASE == wBASE) {
-                               if (i91u_adpt[i].ADPT_Bus != 0xFF)
-                                       return 1;
-                       } else if (i91u_adpt[i].ADPT_BASE < wBASE)
-                                       continue;
-               }
-               for (j = MAX_SUPPORTED_ADAPTERS - 1; j > i; j--) {
-                       i91u_adpt[j].ADPT_BASE = i91u_adpt[j - 1].ADPT_BASE;
-                       i91u_adpt[j].ADPT_INTR = i91u_adpt[j - 1].ADPT_INTR;
-                       i91u_adpt[j].ADPT_BIOS = i91u_adpt[j - 1].ADPT_BIOS;
-                       i91u_adpt[j].ADPT_Bus = i91u_adpt[j - 1].ADPT_Bus;
-                       i91u_adpt[j].ADPT_Device = i91u_adpt[j - 1].ADPT_Device;
-               }
-               i91u_adpt[i].ADPT_BASE = wBASE;
-               i91u_adpt[i].ADPT_INTR = bInterrupt;
-               i91u_adpt[i].ADPT_BIOS = wBIOS;
-               i91u_adpt[i].ADPT_Bus = bBus;
-               i91u_adpt[i].ADPT_Device = bDevice;
-               return 0;
-       }
-       return 1;
-}
-
-static void init_i91uAdapter_table(void)
-{
-       int i;
-
-       for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) {  /* Initialize adapter 
structure */
-               i91u_adpt[i].ADPT_BIOS = 0xffff;
-               i91u_adpt[i].ADPT_BASE = 0xffff;
-               i91u_adpt[i].ADPT_INTR = 0xff;
-               i91u_adpt[i].ADPT_Bus = 0xff;
-               i91u_adpt[i].ADPT_Device = 0xff;
-       }
-       return;
-}
-
 static void tul_stop_bm(HCS * pCurHcb)
 {
 
@@ -640,15 +547,6 @@ static void tul_stop_bm(HCS * pCurHcb)
 }
 
 /***************************************************************************/
-static void get_tulipPCIConfig(HCS * pCurHcb, int ch_idx)
-{
-       pCurHcb->HCS_Base = i91u_adpt[ch_idx].ADPT_BASE;        /* Supply base 
address  */
-       pCurHcb->HCS_BIOS = i91u_adpt[ch_idx].ADPT_BIOS;        /* Supply BIOS 
address  */
-       pCurHcb->HCS_Intr = i91u_adpt[ch_idx].ADPT_INTR;        /* Supply 
interrupt line */
-       return;
-}
-
-/***************************************************************************/
 static int tul_reset_scsi(HCS * pCurHcb, int seconds)
 {
        TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_BUS);
@@ -667,41 +565,11 @@ static int tul_reset_scsi(HCS * pCurHcb,
        return (SCSI_RESET_SUCCESS);
 }
 
-/***************************************************************************/
-static int init_tulip(HCS * pCurHcb, SCB * scbp, int tul_num_scb,
-                     BYTE * pbBiosAdr, int seconds)
+static void init_tulip(HCS *pCurHcb, BYTE *pbBiosAdr)
 {
        int i;
        BYTE *pwFlags;
        BYTE *pbHeads;
-       SCB *pTmpScb, *pPrevScb = NULL;
-
-       pCurHcb->HCS_NumScbs = tul_num_scb;
-       pCurHcb->HCS_Semaph = 1;
-       spin_lock_init(&pCurHcb->HCS_SemaphLock);
-       pCurHcb->HCS_JSStatus0 = 0;
-       pCurHcb->HCS_Scb = scbp;
-       pCurHcb->HCS_NxtPend = scbp;
-       pCurHcb->HCS_NxtAvail = scbp;
-       for (i = 0, pTmpScb = scbp; i < tul_num_scb; i++, pTmpScb++) {
-               pTmpScb->SCB_TagId = i;
-               if (i != 0)
-                       pPrevScb->SCB_NxtScb = pTmpScb;
-               pPrevScb = pTmpScb;
-       }
-       pPrevScb->SCB_NxtScb = NULL;
-       pCurHcb->HCS_ScbEnd = pTmpScb;
-       pCurHcb->HCS_FirstAvail = scbp;
-       pCurHcb->HCS_LastAvail = pPrevScb;
-       spin_lock_init(&pCurHcb->HCS_AvailLock);
-       pCurHcb->HCS_FirstPend = NULL;
-       pCurHcb->HCS_LastPend = NULL;
-       pCurHcb->HCS_FirstBusy = NULL;
-       pCurHcb->HCS_LastBusy = NULL;
-       pCurHcb->HCS_FirstDone = NULL;
-       pCurHcb->HCS_LastDone = NULL;
-       pCurHcb->HCS_ActScb = NULL;
-       pCurHcb->HCS_ActTcs = NULL;
 
        tul_read_eeprom(pCurHcb->HCS_Base);
 /*---------- get H/A configuration -------------*/
@@ -773,17 +641,13 @@ static int init_tulip(HCS * pCurHcb, SCB
                pCurHcb->HCS_ActTags[i] = 0;
                pCurHcb->HCS_MaxTags[i] = 0xFF;
        }                       /* for                          */
-       printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n",
-              pCurHcb->HCS_Base, pCurHcb->HCS_Intr,
-              pCurHcb->HCS_BIOS, pCurHcb->HCS_SCSI_ID);
 /*------------------- reset SCSI Bus ---------------------------*/
        if (pCurHcb->HCS_Config & HCC_SCSI_RESET) {
                printk("i91u: Reset SCSI Bus ... \n");
-               tul_reset_scsi(pCurHcb, seconds);
+               tul_reset_scsi(pCurHcb, 10);
        }
        TUL_WR(pCurHcb->HCS_Base + TUL_SCFG1, 0x17);
        TUL_WR(pCurHcb->HCS_Base + TUL_SIntEnable, 0xE9);
-       return (0);
 }
 
 /***************************************************************************/
@@ -1149,8 +1013,6 @@ static int tul_bad_seq(HCS * pCurHcb)
 {
        SCB *pCurScb;
 
-       printk("tul_bad_seg c=%d\n", pCurHcb->HCS_Index);
-
        if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) {
                tul_unlink_busy_scb(pCurHcb, pCurScb);
                pCurScb->SCB_HaStat = HOST_BAD_PHAS;
@@ -1304,27 +1166,6 @@ static void tul_exec_scb(HCS * pCurHcb, 
 }
 
 /***************************************************************************/
-static int tul_isr(HCS * pCurHcb)
-{
-       /* Enter critical section       */
-
-       if (TUL_RD(pCurHcb->HCS_Base, TUL_Int) & TSS_INT_PENDING) {
-               if (pCurHcb->HCS_Semaph == 1) {
-                       TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
-                       /* Disable Tulip SCSI Int */
-                       pCurHcb->HCS_Semaph = 0;
-
-                       tulip_main(pCurHcb);
-
-                       pCurHcb->HCS_Semaph = 1;
-                       TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
-                       return (1);
-               }
-       }
-       return (0);
-}
-
-/***************************************************************************/
 int tulip_main(HCS * pCurHcb)
 {
        SCB *pCurScb;
@@ -2750,134 +2591,27 @@ int tul_wait_done_disc(HCS * pCurHcb)
 
 static irqreturn_t i91u_intr(int irqno, void *dev_id)
 {
-       struct Scsi_Host *dev = dev_id;
+       struct Scsi_Host *shost = dev_id;
+       HCS *pCurHcb = (HCS *)shost->hostdata;
        unsigned long flags;
-       
-       spin_lock_irqsave(dev->host_lock, flags);
-       tul_isr((HCS *)dev->base);
-       spin_unlock_irqrestore(dev->host_lock, flags);
-       return IRQ_HANDLED;
-}
-
-static int tul_NewReturnNumberOfAdapters(void)
-{
-       struct pci_dev *pDev = NULL;    /* Start from none              */
-       int iAdapters = 0;
-       long dRegValue;
-       WORD wBIOS;
-       int i = 0;
 
-       init_i91uAdapter_table();
+       if (!TUL_RD(pCurHcb->HCS_Base, TUL_Int) & TSS_INT_PENDING)
+               return IRQ_NONE;
 
-       for (i = 0; i < ARRAY_SIZE(i91u_pci_devices); i++)
-       {
-               while ((pDev = pci_find_device(i91u_pci_devices[i].vendor, 
i91u_pci_devices[i].device, pDev)) != NULL) {
-                       if (pci_enable_device(pDev))
-                               continue;
-                       pci_read_config_dword(pDev, 0x44, (u32 *) & dRegValue);
-                       wBIOS = (UWORD) (dRegValue & 0xFF);
-                       if (((dRegValue & 0xFF00) >> 8) == 0xFF)
-                               dRegValue = 0;
-                       wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) 
>> 8));
-                       if (pci_set_dma_mask(pDev, DMA_32BIT_MASK)) {
-                               printk(KERN_WARNING 
-                                      "i91u: Could not set 32 bit DMA mask\n");
-                               continue;
-                       }
-
-                       if (Addi91u_into_Adapter_table(wBIOS,
-                                                       
(pDev->resource[0].start),
-                                                       pDev->irq,
-                                                       pDev->bus->number,
-                                                       (pDev->devfn >> 3)
-                               ) == 0)
-                               iAdapters++;
-               }
-       }
-
-       return (iAdapters);
-}
-
-static int i91u_detect(struct scsi_host_template * tpnt)
-{
-       HCS *pHCB;
-       struct Scsi_Host *hreg;
-       unsigned long i;        /* 01/14/98                     */
-       int ok = 0, iAdapters;
-       ULONG dBiosAdr;
-       BYTE *pbBiosAdr;
-
-       /* Get total number of adapters in the motherboard */
-       iAdapters = tul_NewReturnNumberOfAdapters();
-       if (iAdapters == 0)     /* If no tulip founded, return */
-               return (0);
-
-       tul_num_ch = (iAdapters > tul_num_ch) ? tul_num_ch : iAdapters;
-       /* Update actually channel number */
-       if (tul_tag_enable) {   /* 1.01i                  */
-               tul_num_scb = MAX_TARGETS * i91u_MAXQUEUE;
-       } else {
-               tul_num_scb = MAX_TARGETS + 3;  /* 1-tape, 1-CD_ROM, 1- extra */
-       }                       /* Update actually SCBs per adapter */
-
-       /* Get total memory needed for HCS */
-       i = tul_num_ch * sizeof(HCS);
-       memset((unsigned char *) &tul_hcs[0], 0, i);    /* Initialize tul_hcs 0 
*/
-       /* Get total memory needed for SCB */
-
-       for (; tul_num_scb >= MAX_TARGETS + 3; tul_num_scb--) {
-               i = tul_num_ch * tul_num_scb * sizeof(SCB);
-               if ((tul_scb = kmalloc(i, GFP_ATOMIC | GFP_DMA)) != NULL)
-                       break;
-       }
-       if (tul_scb == NULL) {
-               printk("i91u: SCB memory allocation error\n");
-               return (0);
-       }
-       memset((unsigned char *) tul_scb, 0, i);
-
-       for (i = 0, pHCB = &tul_hcs[0];         /* Get pointer for control 
block */
-            i < tul_num_ch;
-            i++, pHCB++) {
-               get_tulipPCIConfig(pHCB, i);
-
-               dBiosAdr = pHCB->HCS_BIOS;
-               dBiosAdr = (dBiosAdr << 4);
-
-               pbBiosAdr = phys_to_virt(dBiosAdr);
-
-               init_tulip(pHCB, tul_scb + (i * tul_num_scb), tul_num_scb, 
pbBiosAdr, 10);
-               request_region(pHCB->HCS_Base, 256, "i91u"); /* Register */ 
+       spin_lock_irqsave(shost->host_lock, flags);
+       if (pCurHcb->HCS_Semaph == 1) {
+               TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+               /* Disable Tulip SCSI Int */
+               pCurHcb->HCS_Semaph = 0;
 
-               pHCB->HCS_Index = i;    /* 7/29/98 */
-               hreg = scsi_register(tpnt, sizeof(HCS));
-               if(hreg == NULL) {
-                       release_region(pHCB->HCS_Base, 256);
-                       return 0;
-               }
-               hreg->io_port = pHCB->HCS_Base;
-               hreg->n_io_port = 0xff;
-               hreg->can_queue = tul_num_scb;  /* 03/05/98                     
 */
-               hreg->unique_id = pHCB->HCS_Base;
-               hreg->max_id = pHCB->HCS_MaxTar;
-               hreg->max_lun = 32;     /* 10/21/97                     */
-               hreg->irq = pHCB->HCS_Intr;
-               hreg->this_id = pHCB->HCS_SCSI_ID;      /* Assign HCS index     
      */
-               hreg->base = (unsigned long)pHCB;
-               hreg->sg_tablesize = TOTAL_SG_ENTRY;    /* Maximun support is 
32 */
+               tulip_main(pCurHcb);
 
-               /* Initial tulip chip           */
-               ok = request_irq(pHCB->HCS_Intr, i91u_intr, IRQF_DISABLED | 
IRQF_SHARED, "i91u", hreg);
-               if (ok < 0) {
-                       printk(KERN_WARNING "i91u: unable to request IRQ 
%d\n\n", pHCB->HCS_Intr);
-                       return 0;
-               }
+               pCurHcb->HCS_Semaph = 1;
+               TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
        }
 
-       tpnt->this_id = -1;
-       tpnt->can_queue = 1;
-
-       return 1;
+       spin_unlock_irqrestore(shost->host_lock, flags);
+       return IRQ_HANDLED;
 }
 
 static void i91uBuildSCB(HCS * pHCB, SCB * pSCB, struct scsi_cmnd * SCpnt)
@@ -2951,8 +2685,8 @@ static void i91uBuildSCB(HCS * pHCB, SCB
 static int i91u_queuecommand(struct scsi_cmnd *cmd,
                void (*done)(struct scsi_cmnd *))
 {
-       HCS *pHCB = (HCS *) cmd->device->host->base;
-       register SCB *pSCB;
+       HCS *pHCB = (HCS *)cmd->device->host->hostdata;
+       SCB *pSCB;
 
        cmd->scsi_done = done;
 
@@ -2972,9 +2706,7 @@ static int i91u_queuecommand(struct scsi
  */
 static int i91u_abort(struct scsi_cmnd * SCpnt)
 {
-       HCS *pHCB;
-
-       pHCB = (HCS *) SCpnt->device->host->base;
+       HCS *pHCB = (HCS *) SCpnt->device->host->hostdata;
        return tul_abort_srb(pHCB, SCpnt);
 }
 
@@ -2986,7 +2718,7 @@ static int i91u_reset(struct scsi_cmnd *
 {                              /* I need Host Control Block Information */
        HCS *pHCB;
 
-       pHCB = (HCS *) SCpnt->device->host->base;
+       pHCB = (HCS *) SCpnt->device->host->hostdata;
 
        if (reset_flags & (SCSI_RESET_SUGGEST_BUS_RESET | 
SCSI_RESET_SUGGEST_HOST_RESET))
                return tul_reset_scsi_bus(pHCB);
@@ -2997,9 +2729,7 @@ static int i91u_reset(struct scsi_cmnd *
 
 static int i91u_bus_reset(struct scsi_cmnd * SCpnt)
 {
-       HCS *pHCB;
-
-       pHCB = (HCS *) SCpnt->device->host->base;
+       HCS *pHCB = (HCS *) SCpnt->device->host->hostdata;
 
        spin_lock_irq(SCpnt->device->host->host_lock);
        tul_reset_scsi(pHCB, 0);
@@ -3014,11 +2744,8 @@ static int i91u_bus_reset(struct scsi_cm
 static int i91u_biosparam(struct scsi_device *sdev, struct block_device *dev,
                sector_t capacity, int *info_array)
 {
-       HCS *pHcb;              /* Point to Host adapter control block */
-       TCS *pTcb;
-
-       pHcb = (HCS *) sdev->host->base;
-       pTcb = &pHcb->HCS_Tcs[sdev->id];
+       HCS *pHcb = (HCS *)sdev->host->hostdata;
+       TCS *pTcb = &pHcb->HCS_Tcs[sdev->id];
 
        if (pTcb->TCS_DrvHead) {
                info_array[0] = pTcb->TCS_DrvHead;
@@ -3143,32 +2870,179 @@ static void i91uSCBPost(BYTE * pHcb, BYT
        tul_release_scb(pHCB, pSCB);    /* Release SCB for current channel */
 }
 
-/*
- * Release ressources
- */
-static int i91u_release(struct Scsi_Host *hreg)
+static struct scsi_host_template initio_template = {
+       .proc_name              = "INI9100U",
+       .name                   = "Initio INI-9X00U/UW SCSI device driver",
+       .queuecommand           = i91u_queuecommand,
+       .eh_bus_reset_handler   = i91u_bus_reset,
+       .bios_param             = i91u_biosparam,
+       .can_queue              = MAX_TARGETS * i91u_MAXQUEUE,
+       .this_id                = 1,
+       .sg_tablesize           = SG_ALL,
+       .cmd_per_lun            = 1,
+       .use_clustering         = ENABLE_CLUSTERING,
+};
+
+static int __devinit initio_probe_one(struct pci_dev *pdev,
+               const struct pci_device_id *id)
 {
-       free_irq(hreg->irq, hreg);
-       release_region(hreg->io_port, 256);
+       struct Scsi_Host *shost;
+       HCS *pHCB;
+       SCB *pTmpScb, *pPrevScb = NULL, *scbp;
+       long dRegValue;
+       WORD wBIOS;
+       int error, i;
+
+       error = pci_enable_device(pdev);
+       if (error)
+               goto out;
+
+       pci_read_config_dword(pdev, 0x44, (u32 *) &dRegValue);
+       wBIOS = (UWORD) (dRegValue & 0xFF);
+       if (((dRegValue & 0xFF00) >> 8) == 0xFF)
+               dRegValue = 0;
+       wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8));
+
+       if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+               printk(KERN_WARNING
+                      "initio: Could not set 32 bit DMA mask\n");
+               error = -ENODEV;
+               goto out_disable_device;
+       }
+
+       shost = scsi_host_alloc(&initio_template, sizeof(HCS));
+       if (!shost) {
+               printk(KERN_WARNING
+                      "initio: Could not allocate host structure.k\n");
+               error = -ENOMEM;
+               goto out_disable_device;
+       }
+
+       pHCB = (HCS *)shost->hostdata;
+       memset(pHCB, 0, sizeof(HCS));
+
+       pHCB->HCS_Base = pci_resource_start(pdev, 0);
+
+       if (!request_region(pHCB->HCS_Base, 256, "i91u")) {
+               printk(KERN_WARNING "initio: io port 0x%x, is busy.\n", 
pHCB->HCS_Base);
+               error = -ENODEV;
+               goto out_host_put;
+       }
+
+       pHCB->HCS_NumScbs = MAX_TARGETS * i91u_MAXQUEUE;
+
+       scbp = kmalloc(pHCB->HCS_NumScbs * sizeof(SCB), GFP_DMA);
+       if (!scbp) {
+               printk(KERN_WARNING "initio: cannot allocated SCB array.\n");
+               error = -ENOMEM;
+               goto out_release_region;
+       }
+       memset(scbp, 0, pHCB->HCS_NumScbs * sizeof(SCB));
+
+       pHCB->HCS_Semaph = 1;
+       spin_lock_init(&pHCB->HCS_SemaphLock);
+       pHCB->HCS_Scb = scbp;
+       pHCB->HCS_NxtPend = scbp;
+       pHCB->HCS_NxtAvail = scbp;
+       for (i = 0, pTmpScb = scbp; i < pHCB->HCS_NumScbs; i++, pTmpScb++) {
+               pTmpScb->SCB_TagId = i;
+               if (i != 0)
+                       pPrevScb->SCB_NxtScb = pTmpScb;
+               pPrevScb = pTmpScb;
+       }
+       pHCB->HCS_ScbEnd = pTmpScb;
+       pHCB->HCS_FirstAvail = scbp;
+       pHCB->HCS_LastAvail = pPrevScb;
+       spin_lock_init(&pHCB->HCS_AvailLock);
+
+       init_tulip(pHCB, phys_to_virt(wBIOS << 4));
+
+       shost->io_port = pHCB->HCS_Base;
+       shost->n_io_port = 0xff;
+       shost->unique_id = pHCB->HCS_Base;
+       shost->max_id = pHCB->HCS_MaxTar;
+       shost->max_lun = 32;
+       shost->irq = pdev->irq;
+       shost->this_id = pHCB->HCS_SCSI_ID;
+       shost->base = pHCB->HCS_Base;
+       shost->sg_tablesize = TOTAL_SG_ENTRY;
+
+       error = request_irq(pdev->irq, i91u_intr,
+                       IRQF_DISABLED|IRQF_SHARED, "i91u", shost);
+       if (error < 0) {
+               printk(KERN_WARNING "initio: unable to request IRQ %d\n",
+                               pdev->irq);
+               goto out_free_scbs;
+       }
+
+       pci_set_drvdata(pdev, shost);
+
+       error = scsi_add_host(shost, &pdev->dev);
+       if (error)
+               goto out_free_irq;
+
+       scsi_scan_host(shost);
        return 0;
-}
-MODULE_LICENSE("Dual BSD/GPL");
 
-static struct scsi_host_template driver_template = {
-       .proc_name      = "INI9100U",
-       .name           = i91u_REVID,
-       .detect         = i91u_detect,
-       .release        = i91u_release,
-       .queuecommand   = i91u_queuecommand,
-//     .abort          = i91u_abort,
-//     .reset          = i91u_reset,
-       .eh_bus_reset_handler = i91u_bus_reset,
-       .bios_param     = i91u_biosparam,
-       .can_queue      = 1,
-       .this_id        = 1,
-       .sg_tablesize   = SG_ALL,
-       .cmd_per_lun    = 1,
-       .use_clustering = ENABLE_CLUSTERING,
+ out_free_irq:
+       free_irq(pdev->irq, shost);
+ out_free_scbs:
+       kfree(pHCB->HCS_Scb);
+ out_release_region:
+       release_region(pHCB->HCS_Base, 256);
+ out_host_put:
+       scsi_host_put(shost);
+ out_disable_device:
+       pci_disable_device(pdev);
+ out:
+       return error;
+}
+
+static void __devexit initio_remove_one(struct pci_dev *pdev)
+{
+       struct Scsi_Host *shost = pci_get_drvdata(pdev);
+       HCS *pHCB = (HCS *)shost->hostdata;
+
+       scsi_remove_host(shost);
+
+       free_irq(pdev->irq, shost);
+       release_region(pHCB->HCS_Base, 256);
+
+       scsi_host_put(shost);
+       kfree(pHCB->HCS_Scb);
+       pci_disable_device(pdev);
+}
+
+static struct pci_device_id initio_pci_tbl[] = {
+       {PCI_VENDOR_ID_INIT, 0x9500, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_INIT, 0x9400, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_INIT, 0x9401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_INIT, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_DOMEX, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {0,}
+};
+MODULE_DEVICE_TABLE(pci, initio_pci_tbl);
+
+static struct pci_driver initio_pci_driver = {
+       .name           = "initio",
+       .id_table       = initio_pci_tbl,
+       .probe          = initio_probe_one,
+       .remove         = __devexit_p(initio_remove_one),
 };
-#include "scsi_module.c"
 
+static int __init initio_init(void)
+{
+       return pci_register_driver(&initio_pci_driver);
+}
+
+static void __exit initio_exit(void)
+{
+       pci_unregister_driver(&initio_pci_driver);
+}
+
+MODULE_DESCRIPTION("Initio INI-9X00U/UW SCSI device driver");
+MODULE_AUTHOR("Initio Corporation");
+MODULE_LICENSE("Dual BSD/GPL");
+
+module_init(initio_init);
+module_exit(initio_exit);
Index: linux-2.6/drivers/scsi/initio.h
===================================================================
--- linux-2.6.orig/drivers/scsi/initio.h        2007-04-22 15:06:11.000000000 
+0200
+++ linux-2.6/drivers/scsi/initio.h     2007-04-22 15:06:30.000000000 +0200
@@ -523,28 +523,16 @@ typedef struct Tar_Ctrl_Struc {
 #define TCF_DRV_EN_TAG          0x0800
 #define TCF_DRV_255_63          0x0400
 
-typedef struct I91u_Adpt_Struc {
-       UWORD ADPT_BIOS;        /* 0 */
-       UWORD ADPT_BASE;        /* 1 */
-       UBYTE ADPT_Bus;         /* 2 */
-       UBYTE ADPT_Device;      /* 3 */
-       UBYTE ADPT_INTR;        /* 4 */
-} INI_ADPT_STRUCT;
-
-
 /***********************************************************************
              Host Adapter Control Structure
 ************************************************************************/
 typedef struct Ha_Ctrl_Struc {
        UWORD HCS_Base;         /* 00 */
-       UWORD HCS_BIOS;         /* 02 */
-       UBYTE HCS_Intr;         /* 04 */
        UBYTE HCS_SCSI_ID;      /* 05 */
        UBYTE HCS_MaxTar;       /* 06 */
        UBYTE HCS_NumScbs;      /* 07 */
 
        UBYTE HCS_Flags;        /* 08 */
-       UBYTE HCS_Index;        /* 09 */
        UBYTE HCS_HaId;         /* 0A */
        UBYTE HCS_Config;       /* 0B */
        UWORD HCS_IdMask;       /* 0C */
@@ -681,14 +669,8 @@ typedef struct _NVRAM {
 #define DISC_ALLOW              0xC0   /* Disconnect is allowed        */
 #define SCSICMD_RequestSense    0x03
 
-typedef struct _HCSinfo {
-       ULONG base;
-       UCHAR vec;
-       UCHAR bios;             /* High byte of BIOS address */
-       USHORT BaseAndBios;     /* high byte: pHcsInfo->bios,low 
byte:pHcsInfo->base */
-} HCSINFO;
-
 #define TUL_RD(x,y)             (UCHAR)(inb(  (int)((ULONG)(x+y)) ))
+#define TUL_RDWORD(x,y)         (short)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) 
))
 #define TUL_RDLONG(x,y)         (ULONG)(inl((int)((ULONG)(x+y)) ))
 #define TUL_WR(     adr,data)   outb( (UCHAR)(data), (int)(adr))
 #define TUL_WRSHORT(adr,data)   outw( (UWORD)(data), (int)(adr))
@@ -717,4 +699,3 @@ typedef struct _HCSinfo {
 #define SCSI_RESET_BUS_RESET 0x100
 #define SCSI_RESET_HOST_RESET 0x200
 #define SCSI_RESET_ACTION   0xff
-
-
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