* 2.1b1 04/01/31 GL (applied 05.04) Remove internal *
* command-queuing. *
* 2.1b2 04/02/01 CH (applied 05.04) Fix error-handling *
+ * 2.1c 04/05/23 GL Update to use the new pci_driver API, *
+ * some scsi EH updates, more cleanup. *
+ * 2.1d 04/05/27 GL Moved setting of scan_devices to *
+ * slave_alloc/_configure/_destroy, as *
+ * suggested by CH. *
***********************************************************************/
/* Uncomment SA_INTERRUPT, if the driver refuses to share its IRQ with other devices */
#endif
#define DCBDEBUG1(x) C_NOP
-/* Includes */
+#include <linux/config.h>
#include <linux/module.h>
-#include <asm/dma.h>
-#include <asm/io.h>
-#include <asm/system.h>
#include <linux/delay.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/string.h>
-#include <linux/ctype.h>
#include <linux/mm.h>
-#include <linux/config.h>
-#include <linux/version.h>
#include <linux/blkdev.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <asm/io.h>
+#if 0
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#else
#include "scsi.h"
-#include "hosts.h"
-#include <linux/stat.h>
+#endif
+#include <scsi/scsi_host.h>
#include <scsi/scsicam.h>
#include "dc390.h"
#define PCI_DEVICE_ID_AMD53C974 PCI_DEVICE_ID_AMD_SCSI
-/* Locking */
-
-/* Note: Starting from 2.1.9x, the mid-level scsi code issues a
- * spinlock_irqsave (&io_request_lock) before calling the driver's
- * routines, so we don't need to lock, except in the IRQ handler.
- * The policy 3, let the midlevel scsi code do the io_request_locks
- * and us locking on a driver specific lock, shouldn't hurt anybody; it
- * just causes a minor performance degradation for setting the locks.
- */
-
-/* spinlock things
- * level 3: lock on both adapter specific locks and (global) io_request_lock
- * level 2: lock on adapter specific locks only
- * level 1: rely on the locking of the mid level code (io_request_lock)
- * undef : traditional save_flags; cli; restore_flags;
- */
-
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#if defined(MODULE)
-static struct pci_device_id tmscsim_pci_tbl[] = {
+ static struct pci_device_id tmscsim_pci_tbl[] = {
{
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD53C974,
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(pci, tmscsim_pci_tbl);
-#endif
-
-#define USE_SPINLOCKS 1
-
-#define DC390_IFLAGS unsigned long iflags
-#define DC390_LOCK_IO(dev) spin_lock_irqsave (((struct Scsi_Host *)dev)->host_lock, iflags)
-#define DC390_UNLOCK_IO(dev) spin_unlock_irqrestore (((struct Scsi_Host *)dev)->host_lock, iflags)
-
-/* These macros are used for uniform access to 2.0.x and 2.1.x PCI config space*/
-
-#define PDEV pdev
-#define PDEVDECL struct pci_dev *pdev
-#define PDEVDECL0 struct pci_dev *pdev = NULL
-#define PDEVDECL1 struct pci_dev *pdev
-#define PDEVSET pACB->pdev=pdev
-#define PDEVSET1 pdev=pACB->pdev
-#define PCI_WRITE_CONFIG_BYTE(pd, rv, bv) pci_write_config_byte (pd, rv, bv)
-#define PCI_READ_CONFIG_BYTE(pd, rv, bv) pci_read_config_byte (pd, rv, bv)
-#define PCI_WRITE_CONFIG_WORD(pd, rv, bv) pci_write_config_word (pd, rv, bv)
-#define PCI_READ_CONFIG_WORD(pd, rv, bv) pci_read_config_word (pd, rv, bv)
-#define PCI_PRESENT (1)
-#define PCI_GET_IO_AND_IRQ do{io_port = pci_resource_start (pdev, 0); irq = pdev->irq;} while(0)
#include "tmscsim.h"
-#ifndef __init
-# define __init
-#endif
-
-static UCHAR dc390_StartSCSI( PACB pACB, PDCB pDCB, PSRB pSRB );
-static void dc390_DataOut_0( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_DataIn_0( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_Command_0( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_Status_0( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_MsgOut_0( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_MsgIn_0( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_DataOutPhase( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_DataInPhase( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_CommandPhase( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_StatusPhase( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_MsgOutPhase( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_MsgInPhase( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_Nop_0( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-static void dc390_Nop_1( PACB pACB, PSRB pSRB, PUCHAR psstatus);
-
-static void dc390_SetXferRate( PACB pACB, PDCB pDCB );
-static void dc390_Disconnect( PACB pACB );
-static void dc390_Reselect( PACB pACB );
-static void dc390_SRBdone( PACB pACB, PDCB pDCB, PSRB pSRB );
-static void dc390_DoingSRB_Done( PACB pACB, PSCSICMD cmd );
-static void dc390_ScsiRstDetect( PACB pACB );
-static void dc390_ResetSCSIBus( PACB pACB );
-static void __inline__ dc390_RequestSense( PACB pACB, PDCB pDCB, PSRB pSRB );
-static void __inline__ dc390_InvalidCmd( PACB pACB );
-static void __inline__ dc390_EnableMsgOut_Abort (PACB, PSRB);
-static void dc390_remove_dev (PACB pACB, PDCB pDCB);
+static u8 dc390_StartSCSI( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB );
+static void dc390_DataOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_DataIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Command_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Status_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_DataOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_DataInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_CommandPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_StatusPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Nop_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Nop_1( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+
+static void dc390_SetXferRate( struct dc390_acb* pACB, struct dc390_dcb* pDCB );
+static void dc390_Disconnect( struct dc390_acb* pACB );
+static void dc390_Reselect( struct dc390_acb* pACB );
+static void dc390_SRBdone( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB );
+static void dc390_DoingSRB_Done( struct dc390_acb* pACB, struct scsi_cmnd * cmd);
+static void dc390_ScsiRstDetect( struct dc390_acb* pACB );
+static void dc390_ResetSCSIBus( struct dc390_acb* pACB );
+static void __inline__ dc390_RequestSense( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB );
+static void __inline__ dc390_InvalidCmd( struct dc390_acb* pACB );
+static void __inline__ dc390_EnableMsgOut_Abort (struct dc390_acb*, struct dc390_srb*);
static irqreturn_t do_DC390_Interrupt( int, void *, struct pt_regs *);
-static int dc390_initAdapter( PSH psh, ULONG io_port, UCHAR Irq, UCHAR index );
-static void dc390_initDCB( PACB pACB, PDCB *ppDCB, UCHAR id, UCHAR lun);
-static void dc390_updateDCB (PACB pACB, PDCB pDCB);
+static int dc390_initAdapter(struct Scsi_Host *psh, unsigned long io_port, u8 Irq, u8 index );
+static void dc390_updateDCB (struct dc390_acb* pACB, struct dc390_dcb* pDCB);
-static int DC390_release(struct Scsi_Host *host);
-static int dc390_shutdown (struct Scsi_Host *host);
+static int DC390_proc_info (struct Scsi_Host *shpnt, char *buffer, char **start,
+ off_t offset, int length, int inout);
-static PACB dc390_pACB_start= NULL;
-static PACB dc390_pACB_current = NULL;
-static ULONG dc390_lastabortedpid = 0;
-static UINT dc390_laststatus = 0;
-static UCHAR dc390_adapterCnt = 0;
+static struct dc390_acb* dc390_pACB_start= NULL;
+static struct dc390_acb* dc390_pACB_current = NULL;
+static unsigned long dc390_lastabortedpid = 0;
+static u32 dc390_laststatus = 0;
+static u8 dc390_adapterCnt = 0;
/* Startup values, to be overriden on the commandline */
static int tmscsim[] = {-2, -2, -2, -2, -2, -2};
+static int tmscsim_paramnum = ARRAY_SIZE(tmscsim);
-#if defined(MODULE)
-MODULE_PARM(tmscsim, "1-6i");
+module_param_array(tmscsim, int, tmscsim_paramnum, 0);
MODULE_PARM_DESC(tmscsim, "Host SCSI ID, Speed (0=10MHz), Device Flags, Adapter Flags, Max Tags (log2(tags)-1), DelayReset (s)");
MODULE_AUTHOR("C.L. Huang / Kurt Garloff");
MODULE_DESCRIPTION("SCSI host adapter driver for Tekram DC390 and other AMD53C974A based PCI SCSI adapters");
MODULE_LICENSE("GPL");
-
MODULE_SUPPORTED_DEVICE("sd,sr,sg,st");
-#endif
-static PVOID dc390_phase0[]={
+static void *dc390_phase0[]={
dc390_DataOut_0,
dc390_DataIn_0,
dc390_Command_0,
dc390_Nop_1
};
-static PVOID dc390_phase1[]={
+static void *dc390_phase1[]={
dc390_DataOutPhase,
dc390_DataInPhase,
dc390_CommandPhase,
#endif
/* Devices erroneously pretending to be able to do TagQ */
-static UCHAR dc390_baddevname1[2][28] ={
+static u8 dc390_baddevname1[2][28] ={
"SEAGATE ST3390N 9546",
"HP C3323-300 4269"};
#define BADDEVCNT 2
static char* dc390_adapname = "DC390";
-static UCHAR dc390_eepromBuf[MAX_ADAPTER_NUM][EE_LEN];
-static UCHAR dc390_clock_period1[] = {4, 5, 6, 7, 8, 10, 13, 20};
-static UCHAR dc390_clock_speed[] = {100,80,67,57,50, 40, 31, 20};
+static u8 dc390_eepromBuf[MAX_ADAPTER_NUM][EE_LEN];
+static u8 dc390_clock_period1[] = {4, 5, 6, 7, 8, 10, 13, 20};
+static u8 dc390_clock_speed[] = {100,80,67,57,50, 40, 31, 20};
/***********************************************************************
* Functions for access to DC390 EEPROM
**********************************************************************/
-static void __init dc390_EnDisableCE( UCHAR mode, PDEVDECL, PUCHAR regval )
+static void __devinit dc390_EnDisableCE(u8 mode, struct pci_dev *pdev, u8 *regval)
{
- UCHAR bval;
+ u8 bval;
bval = 0;
if(mode == ENABLE_CE)
*regval = 0xc0;
else
*regval = 0x80;
- PCI_WRITE_CONFIG_BYTE(PDEV, *regval, bval);
+ pci_write_config_byte(pdev, *regval, bval);
if(mode == DISABLE_CE)
- PCI_WRITE_CONFIG_BYTE(PDEV, *regval, bval);
+ pci_write_config_byte(pdev, *regval, bval);
udelay(160);
}
/* Override EEprom values with explicitly set values */
-static void __init dc390_EEprom_Override (UCHAR index)
+static void __devinit dc390_EEprom_Override (u8 index)
{
- PUCHAR ptr;
- UCHAR id;
- ptr = (PUCHAR) dc390_eepromBuf[index];
+ u8 *ptr = (u8 *) dc390_eepromBuf[index];
+ u8 id;
/* Adapter Settings */
if (tmscsim[0] != -2)
- ptr[EE_ADAPT_SCSI_ID] = (UCHAR)tmscsim[0]; /* Adapter ID */
+ ptr[EE_ADAPT_SCSI_ID] = (u8)tmscsim[0]; /* Adapter ID */
if (tmscsim[3] != -2)
- ptr[EE_MODE2] = (UCHAR)tmscsim[3];
+ ptr[EE_MODE2] = (u8)tmscsim[3];
if (tmscsim[5] != -2)
ptr[EE_DELAY] = tmscsim[5]; /* Reset delay */
if (tmscsim[4] != -2)
- ptr[EE_TAG_CMD_NUM] = (UCHAR)tmscsim[4]; /* Tagged Cmds */
+ ptr[EE_TAG_CMD_NUM] = (u8)tmscsim[4]; /* Tagged Cmds */
/* Device Settings */
for (id = 0; id < MAX_SCSI_ID; id++)
{
if (tmscsim[2] != -2)
- ptr[id<<2] = (UCHAR)tmscsim[2]; /* EE_MODE1 */
+ ptr[id<<2] = (u8)tmscsim[2]; /* EE_MODE1 */
if (tmscsim[1] != -2)
- ptr[(id<<2) + 1] = (UCHAR)tmscsim[1]; /* EE_Speed */
+ ptr[(id<<2) + 1] = (u8)tmscsim[1]; /* EE_Speed */
}
}
/* Handle "-1" case */
-static void __init dc390_check_for_safe_settings (void)
+static void __devinit dc390_check_for_safe_settings (void)
{
if (tmscsim[0] == -1 || tmscsim[0] > 15) /* modules-2.0.0 passes -1 as string */
{
, 3 /* 16 Tags per LUN */, 1 /* s delay after Reset */ };
/* Copy defaults over set values where missing */
-static void __init dc390_fill_with_defaults (void)
+static void __devinit dc390_fill_with_defaults (void)
{
int i;
PARSEDEBUG(printk(KERN_INFO "DC390: setup %08x %08x %08x %08x %08x %08x\n", tmscsim[0],\
if (tmscsim[5] > 180) tmscsim[5] = 180;
}
+#ifndef MODULE
/* Override defaults on cmdline:
* tmscsim: AdaptID, MaxSpeed (Index), DevMode (Bitmapped), AdaptMode (Bitmapped)
*/
/* dc390_checkparams (); */
return 1;
}
-#ifndef MODULE
+
__setup("tmscsim=", dc390_setup);
#endif
-static void __init dc390_EEpromOutDI( PDEVDECL, PUCHAR regval, UCHAR Carry )
+static void __devinit dc390_EEpromOutDI(struct pci_dev *pdev, u8 *regval, u8 Carry)
{
- UCHAR bval;
+ u8 bval;
bval = 0;
if(Carry)
{
bval = 0x40;
*regval = 0x80;
- PCI_WRITE_CONFIG_BYTE(PDEV, *regval, bval);
+ pci_write_config_byte(pdev, *regval, bval);
}
udelay(160);
bval |= 0x80;
- PCI_WRITE_CONFIG_BYTE(PDEV, *regval, bval);
+ pci_write_config_byte(pdev, *regval, bval);
udelay(160);
bval = 0;
- PCI_WRITE_CONFIG_BYTE(PDEV, *regval, bval);
+ pci_write_config_byte(pdev, *regval, bval);
udelay(160);
}
-static UCHAR __init dc390_EEpromInDO( PDEVDECL )
+static u8 __devinit dc390_EEpromInDO(struct pci_dev *pdev)
{
- UCHAR bval;
+ u8 bval;
- PCI_WRITE_CONFIG_BYTE(PDEV, 0x80, 0x80);
+ pci_write_config_byte(pdev, 0x80, 0x80);
udelay(160);
- PCI_WRITE_CONFIG_BYTE(PDEV, 0x80, 0x40);
+ pci_write_config_byte(pdev, 0x80, 0x40);
udelay(160);
- PCI_READ_CONFIG_BYTE(PDEV, 0x00, &bval);
+ pci_read_config_byte(pdev, 0x00, &bval);
if(bval == 0x22)
return(1);
else
}
-static USHORT __init dc390_EEpromGetData1( PDEVDECL )
+static u16 __devinit dc390_EEpromGetData1(struct pci_dev *pdev)
{
- UCHAR i;
- UCHAR carryFlag;
- USHORT wval;
+ u8 i;
+ u8 carryFlag;
+ u16 wval;
wval = 0;
for(i=0; i<16; i++)
{
wval <<= 1;
- carryFlag = dc390_EEpromInDO(PDEV);
+ carryFlag = dc390_EEpromInDO(pdev);
wval |= carryFlag;
}
return(wval);
}
-static void __init dc390_Prepare( PDEVDECL, PUCHAR regval, UCHAR EEpromCmd )
+static void __devinit dc390_Prepare(struct pci_dev *pdev, u8 *regval, u8 EEpromCmd)
{
- UCHAR i,j;
- UCHAR carryFlag;
+ u8 i,j;
+ u8 carryFlag;
carryFlag = 1;
j = 0x80;
for(i=0; i<9; i++)
{
- dc390_EEpromOutDI(PDEV,regval,carryFlag);
+ dc390_EEpromOutDI(pdev, regval, carryFlag);
carryFlag = (EEpromCmd & j) ? 1 : 0;
j >>= 1;
}
}
-static void __init dc390_ReadEEprom( PDEVDECL, PUSHORT ptr)
+static void __devinit dc390_ReadEEprom(struct pci_dev *pdev, u16 *ptr)
{
- UCHAR regval,cmd;
- UCHAR i;
+ u8 regval,cmd;
+ u8 i;
cmd = EEPROM_READ;
for(i=0; i<0x40; i++)
{
- dc390_EnDisableCE(ENABLE_CE, PDEV, ®val);
- dc390_Prepare(PDEV, ®val, cmd++);
- *ptr++ = dc390_EEpromGetData1(PDEV);
- dc390_EnDisableCE(DISABLE_CE, PDEV, ®val);
+ dc390_EnDisableCE(ENABLE_CE, pdev, ®val);
+ dc390_Prepare(pdev, ®val, cmd++);
+ *ptr++ = dc390_EEpromGetData1(pdev);
+ dc390_EnDisableCE(DISABLE_CE, pdev, ®val);
}
}
-static void __init dc390_interpret_delay (UCHAR index)
+static void __devinit dc390_interpret_delay (u8 index)
{
char interpd [] = {1,3,5,10,16,30,60,120};
dc390_eepromBuf[index][EE_DELAY] = interpd [dc390_eepromBuf[index][EE_DELAY]];
}
-static UCHAR __init dc390_CheckEEpromCheckSum( PDEVDECL, UCHAR index )
+static u8 __devinit dc390_CheckEEpromCheckSum(struct pci_dev *pdev, u8 index)
{
- UCHAR i;
+ u8 i;
char EEbuf[128];
- USHORT wval, *ptr = (PUSHORT)EEbuf;
+ u16 wval, *ptr = (u16 *)EEbuf;
- dc390_ReadEEprom( PDEV, ptr );
+ dc390_ReadEEprom(pdev, ptr);
memcpy (dc390_eepromBuf[index], EEbuf, EE_ADAPT_SCSI_ID);
memcpy (&dc390_eepromBuf[index][EE_ADAPT_SCSI_ID],
&EEbuf[REAL_EE_ADAPT_SCSI_ID], EE_LEN - EE_ADAPT_SCSI_ID);
* (DCBs, SRBs, Queueing)
*
**********************************************************************/
-static PDCB __inline__ dc390_findDCB ( PACB pACB, UCHAR id, UCHAR lun)
+static struct dc390_dcb __inline__ *dc390_findDCB ( struct dc390_acb* pACB, u8 id, u8 lun)
{
- PDCB pDCB = pACB->pLinkDCB; if (!pDCB) return 0;
+ struct dc390_dcb* pDCB = pACB->pLinkDCB; if (!pDCB) return 0;
while (pDCB->TargetID != id || pDCB->TargetLUN != lun)
{
pDCB = pDCB->pNextDCB;
* Lists are managed using two pointers and eventually a counter
*/
-
-#if 0
-/* Look for a SCSI cmd in a SRB queue */
-static PSRB dc390_find_cmd_in_SRBq (PSCSICMD cmd, PSRB queue)
-{
- PSRB q = queue;
- while (q)
- {
- if (q->pcmd == cmd) return q;
- q = q->pNextSRB;
- if (q == queue) return 0;
- }
- return q;
-}
-#endif
-
/* Return next free SRB */
-static __inline__ PSRB dc390_Free_get ( PACB pACB )
+static __inline__ struct dc390_srb* dc390_Free_get ( struct dc390_acb* pACB )
{
- PSRB pSRB;
+ struct dc390_srb* pSRB;
pSRB = pACB->pFreeSRB;
DEBUG0(printk ("DC390: Get Free SRB %p\n", pSRB));
}
/* Insert SRB oin top of free list */
-static __inline__ void dc390_Free_insert (PACB pACB, PSRB pSRB)
+static __inline__ void dc390_Free_insert (struct dc390_acb* pACB, struct dc390_srb* pSRB)
{
DEBUG0(printk ("DC390: Free SRB %p\n", pSRB));
pSRB->pNextSRB = pACB->pFreeSRB;
/* Inserts a SRB to the top of the Waiting list */
-static __inline__ void dc390_Waiting_insert ( PDCB pDCB, PSRB pSRB )
+static __inline__ void dc390_Waiting_insert ( struct dc390_dcb* pDCB, struct dc390_srb* pSRB )
{
DEBUG0(printk ("DC390: Insert pSRB %p cmd %li to Waiting\n", pSRB, pSRB->pcmd->pid));
pSRB->pNextSRB = pDCB->pWaitingSRB;
/* Queue SRB to waiting list */
-static __inline__ void dc390_Waiting_append ( PDCB pDCB, PSRB pSRB)
+static __inline__ void dc390_Waiting_append ( struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
{
DEBUG0(printk ("DC390: Append pSRB %p cmd %li to Waiting\n", pSRB, pSRB->pcmd->pid));
if( pDCB->pWaitingSRB )
pDCB->pDCBACB->CmdInQ++;
}
-static __inline__ void dc390_Going_append (PDCB pDCB, PSRB pSRB)
+static __inline__ void dc390_Going_append (struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
{
pDCB->GoingSRBCnt++;
DEBUG0(printk("DC390: Append SRB %p to Going\n", pSRB));
pSRB->pNextSRB = NULL;
}
-static __inline__ void dc390_Going_remove (PDCB pDCB, PSRB pSRB)
+static __inline__ void dc390_Going_remove (struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
{
DEBUG0(printk("DC390: Remove SRB %p from Going\n", pSRB));
if (pSRB == pDCB->pGoingSRB)
pDCB->pGoingSRB = pSRB->pNextSRB;
else
{
- PSRB psrb = pDCB->pGoingSRB;
+ struct dc390_srb* psrb = pDCB->pGoingSRB;
while (psrb && psrb->pNextSRB != pSRB)
psrb = psrb->pNextSRB;
if (!psrb)
}
/* Moves SRB from Going list to the top of Waiting list */
-static void dc390_Going_to_Waiting ( PDCB pDCB, PSRB pSRB )
+static void dc390_Going_to_Waiting ( struct dc390_dcb* pDCB, struct dc390_srb* pSRB )
{
DEBUG0(printk(KERN_INFO "DC390: Going_to_Waiting (SRB %p) pid = %li\n", pSRB, pSRB->pcmd->pid));
/* Remove SRB from Going */
}
/* Moves first SRB from Waiting list to Going list */
-static __inline__ void dc390_Waiting_to_Going ( PDCB pDCB, PSRB pSRB )
+static __inline__ void dc390_Waiting_to_Going ( struct dc390_dcb* pDCB, struct dc390_srb* pSRB )
{
/* Remove from waiting list */
DEBUG0(printk("DC390: Remove SRB %p from head of Waiting\n", pSRB));
static void DC390_waiting_timed_out (unsigned long ptr);
/* Sets the timer to wake us up */
-static void dc390_waiting_timer (PACB pACB, unsigned long to)
+static void dc390_waiting_timer (struct dc390_acb* pACB, unsigned long to)
{
if (timer_pending (&pACB->Waiting_Timer)) return;
init_timer (&pACB->Waiting_Timer);
/* Send the next command from the waiting list to the bus */
-static void dc390_Waiting_process ( PACB pACB )
+static void dc390_Waiting_process ( struct dc390_acb* pACB )
{
- PDCB ptr, ptr1;
- PSRB pSRB;
+ struct dc390_dcb *ptr, *ptr1;
+ struct dc390_srb *pSRB;
if( (pACB->pActiveDCB) || (pACB->ACBFlag & (RESET_DETECT+RESET_DONE+RESET_DEV) ) )
return;
/* Wake up waiting queue */
static void DC390_waiting_timed_out (unsigned long ptr)
{
- PACB pACB = (PACB)ptr;
- DC390_IFLAGS;
+ struct dc390_acb* pACB = (struct dc390_acb*)ptr;
+ unsigned long iflags;
DEBUG0(printk ("DC390: Debug: Waiting queue woken up by timer!\n"));
- DC390_LOCK_IO(pACB->pScsiHost);
+ spin_lock_irqsave(pACB->pScsiHost->host_lock, iflags);
dc390_Waiting_process (pACB);
- DC390_UNLOCK_IO(pACB->pScsiHost);
+ spin_unlock_irqrestore(pACB->pScsiHost->host_lock, iflags);
}
/***********************************************************************
- * Function: static void dc390_SendSRB (PACB pACB, PSRB pSRB)
+ * Function: static void dc390_SendSRB (struct dc390_acb* pACB, struct dc390_srb* pSRB)
*
* Purpose: Send SCSI Request Block (pSRB) to adapter (pACB)
*
***********************************************************************/
-static void dc390_SendSRB( PACB pACB, PSRB pSRB )
+static void dc390_SendSRB( struct dc390_acb* pACB, struct dc390_srb* pSRB )
{
- PDCB pDCB;
+ struct dc390_dcb* pDCB;
pDCB = pSRB->pSRBDCB;
if( (pDCB->MaxCommand <= pDCB->GoingSRBCnt) || (pACB->pActiveDCB) ||
}
}
+static struct scatterlist* dc390_sg_build_single(struct scatterlist *sg, void *addr, unsigned int length)
+{
+ memset(sg, 0, sizeof(struct scatterlist));
+ sg->page = virt_to_page(addr);
+ sg->length = length;
+ sg->offset = (unsigned long)addr & ~PAGE_MASK;
+ return sg;
+}
/* Create pci mapping */
-static int dc390_pci_map (PSRB pSRB)
+static int dc390_pci_map (struct dc390_srb* pSRB)
{
int error = 0;
- Scsi_Cmnd *pcmd = pSRB->pcmd;
+ struct scsi_cmnd *pcmd = pSRB->pcmd;
struct pci_dev *pdev = pSRB->pSRBDCB->pDCBACB->pdev;
dc390_cmd_scp_t* cmdp = ((dc390_cmd_scp_t*)(&pcmd->SCp));
+
/* Map sense buffer */
if (pSRB->SRBFlag & AUTO_REQSENSE) {
- sg_dma_address(&pSRB->Segmentx) = cmdp->saved_dma_handle =
- pci_map_page(pdev, virt_to_page(pcmd->sense_buffer),
- (unsigned long)pcmd->sense_buffer & ~PAGE_MASK, sizeof(pcmd->sense_buffer),
- DMA_FROM_DEVICE);
- sg_dma_len(&pSRB->Segmentx) = sizeof(pcmd->sense_buffer);
- pSRB->SGcount = 1;
- pSRB->pSegmentList = (PSGL) &pSRB->Segmentx;
+ pSRB->pSegmentList = dc390_sg_build_single(&pSRB->Segmentx, pcmd->sense_buffer, sizeof(pcmd->sense_buffer));
+ pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, 1,
+ DMA_FROM_DEVICE);
+ cmdp->saved_dma_handle = sg_dma_address(pSRB->pSegmentList);
+
+ /* TODO: error handling */
+ if (pSRB->SGcount != 1)
+ error = 1;
DEBUG1(printk("%s(): Mapped sense buffer %p at %x\n", __FUNCTION__, pcmd->sense_buffer, cmdp->saved_dma_handle));
- /* Make SG list */
+ /* Map SG list */
} else if (pcmd->use_sg) {
- pSRB->pSegmentList = (PSGL) pcmd->request_buffer;
- pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList,
- pcmd->use_sg,
- scsi_to_pci_dma_dir(pcmd->sc_data_direction));
+ pSRB->pSegmentList = (struct scatterlist *) pcmd->request_buffer;
+ pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, pcmd->use_sg,
+ pcmd->sc_data_direction);
/* TODO: error handling */
if (!pSRB->SGcount)
error = 1;
- DEBUG1(printk("%s(): Mapped SG %p with %d (%d) elements\n", __FUNCTION__, pcmd->request_buffer, pSRB->SGcount, pcmd->use_sg));
+ DEBUG1(printk("%s(): Mapped SG %p with %d (%d) elements\n",\
+ __FUNCTION__, pcmd->request_buffer, pSRB->SGcount, pcmd->use_sg));
/* Map single segment */
} else if (pcmd->request_buffer && pcmd->request_bufflen) {
- sg_dma_address(&pSRB->Segmentx) = cmdp->saved_dma_handle =
- pci_map_page(pdev, virt_to_page(pcmd->request_buffer),
- (unsigned long)pcmd->request_buffer & ~PAGE_MASK,
- pcmd->request_bufflen, scsi_to_pci_dma_dir(pcmd->sc_data_direction));
+ pSRB->pSegmentList = dc390_sg_build_single(&pSRB->Segmentx, pcmd->request_buffer, pcmd->request_bufflen);
+ pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, 1,
+ pcmd->sc_data_direction);
+ cmdp->saved_dma_handle = sg_dma_address(pSRB->pSegmentList);
+
/* TODO: error handling */
- sg_dma_len(&pSRB->Segmentx) = pcmd->request_bufflen;
- pSRB->SGcount = 1;
- pSRB->pSegmentList = (PSGL) &pSRB->Segmentx;
+ if (pSRB->SGcount != 1)
+ error = 1;
DEBUG1(printk("%s(): Mapped request buffer %p at %x\n", __FUNCTION__, pcmd->request_buffer, cmdp->saved_dma_handle));
/* No mapping !? */
} else
pSRB->SGcount = 0;
+
return error;
}
/* Remove pci mapping */
-static void dc390_pci_unmap (PSRB pSRB)
+static void dc390_pci_unmap (struct dc390_srb* pSRB)
{
- Scsi_Cmnd* pcmd = pSRB->pcmd;
+ struct scsi_cmnd *pcmd = pSRB->pcmd;
struct pci_dev *pdev = pSRB->pSRBDCB->pDCBACB->pdev;
- dc390_cmd_scp_t* cmdp = ((dc390_cmd_scp_t*)(&pcmd->SCp));
+ DEBUG1(dc390_cmd_scp_t* cmdp = ((dc390_cmd_scp_t*)(&pcmd->SCp)));
if (pSRB->SRBFlag) {
- pci_unmap_page(pdev, cmdp->saved_dma_handle,
- sizeof(pcmd->sense_buffer), DMA_FROM_DEVICE);
+ pci_unmap_sg(pdev, &pSRB->Segmentx, 1, DMA_FROM_DEVICE);
DEBUG1(printk("%s(): Unmapped sense buffer at %x\n", __FUNCTION__, cmdp->saved_dma_handle));
} else if (pcmd->use_sg) {
- pci_unmap_sg(pdev, pcmd->request_buffer, pcmd->use_sg,
- scsi_to_pci_dma_dir(pcmd->sc_data_direction));
+ pci_unmap_sg(pdev, pcmd->request_buffer, pcmd->use_sg, pcmd->sc_data_direction);
DEBUG1(printk("%s(): Unmapped SG at %p with %d elements\n", __FUNCTION__, pcmd->request_buffer, pcmd->use_sg));
} else if (pcmd->request_buffer && pcmd->request_bufflen) {
- pci_unmap_page(pdev,
- cmdp->saved_dma_handle,
- pcmd->request_bufflen,
- scsi_to_pci_dma_dir(pcmd->sc_data_direction));
+ pci_unmap_sg(pdev, &pSRB->Segmentx, 1, pcmd->sc_data_direction);
DEBUG1(printk("%s(): Unmapped request buffer at %x\n", __FUNCTION__, cmdp->saved_dma_handle));
}
}
/***********************************************************************
- * Function: static void dc390_BuildSRB (Scsi_Cmd *pcmd, PDCB pDCB,
- * PSRB pSRB)
+ * Function: static void dc390_BuildSRB (Scsi_Cmd *pcmd, struct dc390_dcb* pDCB,
+ * struct dc390_srb* pSRB)
*
* Purpose: Prepare SRB for being sent to Device DCB w/ command *pcmd
*
***********************************************************************/
-static void dc390_BuildSRB (Scsi_Cmnd* pcmd, PDCB pDCB, PSRB pSRB)
+static void dc390_BuildSRB (struct scsi_cmnd *pcmd, struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
{
pSRB->pSRBDCB = pDCB;
pSRB->pcmd = pcmd;
}
/***********************************************************************
- * Function : static int DC390_queue_command (Scsi_Cmnd *cmd,
- * void (*done)(Scsi_Cmnd *))
+ * Function : static int DC390_queue_command (struct scsi_cmnd *cmd,
+ * void (*done)(struct scsi_cmnd *))
*
* Purpose : enqueues a SCSI command
*
* 2.0.x: always return 0
* 2.1.x: old model: (use_new_eh_code == 0): like 2.0.x
* TO BE DONE:
- * new model: return 0 if successful
- * return 1 if command cannot be queued (queue full)
+ * new model: return 0 if successful, or must not be re-queued
+ * return 1 if command cannot be queued (queue full)
* command will be inserted in midlevel queue then ...
*
***********************************************************************/
-static int DC390_queue_command (Scsi_Cmnd *cmd, void (* done)(Scsi_Cmnd *))
+static int DC390_queue_command(struct scsi_cmnd *cmd,
+ void (* done)(struct scsi_cmnd *))
{
- PDCB pDCB;
- PSRB pSRB;
- PACB pACB = (PACB) cmd->device->host->hostdata;
+ struct dc390_dcb* pDCB = (struct dc390_dcb*) cmd->device->hostdata;
+ struct dc390_srb* pSRB;
+ struct dc390_acb* pACB = (struct dc390_acb*) cmd->device->host->hostdata;
DEBUG0(/* if(pACB->scan_devices) */ \
printk(KERN_INFO "DC390: Queue Cmd=%02x,Tgt=%d,LUN=%d (pid=%li), buffer=%p\n",\
/* TODO: Change the policy: Always accept TEST_UNIT_READY or INQUIRY
* commands and alloc a DCB for the device if not yet there. DCB will
* be removed in dc390_SRBdone if SEL_TIMEOUT */
-
- if( (pACB->scan_devices == END_SCAN) && (cmd->cmnd[0] != INQUIRY) )
- pACB->scan_devices = 0;
-
- else if( (pACB->scan_devices) && (cmd->cmnd[0] == READ_6) )
- pACB->scan_devices = 0;
-
- if( (pACB->scan_devices || cmd->cmnd[0] == TEST_UNIT_READY || cmd->cmnd[0] == INQUIRY) &&
- !(pACB->DCBmap[cmd->device->id] & (1 << cmd->device->lun)) )
- {
- pACB->scan_devices = 1;
-
- dc390_initDCB( pACB, &pDCB, cmd->device->id, cmd->device->lun );
- if (!pDCB)
- {
- printk (KERN_ERR "DC390: kmalloc for DCB failed, target %02x lun %02x\n",
- cmd->device->id, cmd->device->lun);
- goto fail;
- }
-
- }
- else if( !(pACB->scan_devices) && !(pACB->DCBmap[cmd->device->id] & (1 << cmd->device->lun)) )
- {
+ if (!(pACB->scan_devices) && !(pACB->DCBmap[cmd->device->id] & (1 << cmd->device->lun))) {
printk(KERN_INFO "DC390: Ignore target %02x lun %02x\n",
cmd->device->id, cmd->device->lun);
goto fail;
}
- else
- {
- pDCB = dc390_findDCB (pACB, cmd->device->id, cmd->device->lun);
- if (!pDCB)
- { /* should never happen */
- printk (KERN_ERR "DC390: no DCB failed, target %02x lun %02x\n",
- cmd->device->id, cmd->device->lun);
- goto fail;
- }
+
+ /* Should it be: BUG_ON(!pDCB); ? */
+
+ if (!pDCB)
+ { /* should never happen */
+ printk (KERN_ERR "DC390: no DCB found, target %02x lun %02x\n",
+ cmd->device->id, cmd->device->lun);
+ goto fail;
}
pACB->Cmds++;
sector_t capacity, int geom[])
{
int heads, sectors, cylinders;
- PACB pACB = (PACB) sdev->host->hostdata;
+ struct dc390_acb* pACB = (struct dc390_acb*) sdev->host->hostdata;
int ret_code = -1;
int size = capacity;
unsigned char *buf;
}
#endif
-static void dc390_dumpinfo (PACB pACB, PDCB pDCB, PSRB pSRB)
+static void dc390_dumpinfo (struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
{
- USHORT pstat; PDEVDECL1;
+ struct pci_dev *pdev;
+ u16 pstat;
+
if (!pDCB) pDCB = pACB->pActiveDCB;
if (!pSRB && pDCB) pSRB = pDCB->pActiveSRB;
DC390_read32(DMA_Wk_ByteCntr), DC390_read32(DMA_Wk_AddrCntr),
DC390_read8(DMA_Status), DC390_read32(DMA_ScsiBusCtrl));
DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT);
- PDEVSET1; PCI_READ_CONFIG_WORD(PDEV, PCI_STATUS, &pstat);
+
+ pdev = pACB->pdev;
+ pci_read_config_word(pdev, PCI_STATUS, &pstat);
printk ("DC390: Register dump: PCI Status: %04x\n", pstat);
- printk ("DC390: In case of driver trouble read linux/Documentation/scsi/tmscsim.txt\n");
+ printk ("DC390: In case of driver trouble read Documentation/scsi/tmscsim.txt\n");
}
/***********************************************************************
- * Function : int DC390_abort (Scsi_Cmnd *cmd)
+ * Function : int DC390_abort (struct scsi_cmnd *cmd)
*
* Purpose : Abort an errant SCSI command
*
* Status: Buggy !
***********************************************************************/
-static int DC390_abort (Scsi_Cmnd *cmd)
+static int DC390_abort (struct scsi_cmnd *cmd)
{
- PDCB pDCB;
- PSRB pSRB, psrb;
- UINT count, i;
+ struct dc390_dcb *pDCB = (struct dc390_dcb*) cmd->device->hostdata;
+ struct dc390_srb *pSRB, *psrb;
+ u32 count, i;
int status;
- //ULONG sbac;
- PACB pACB = (PACB) cmd->device->host->hostdata;
+ //unsigned long sbac;
+ struct dc390_acb *pACB = (struct dc390_acb*) cmd->device->host->hostdata;
printk ("DC390: Abort command (pid %li, Device %02i-%02i)\n",
cmd->pid, cmd->device->id, cmd->device->lun);
- pDCB = dc390_findDCB (pACB, cmd->device->id, cmd->device->lun);
if( !pDCB ) goto NOT_RUN;
/* Added 98/07/02 KG */
}
-static void dc390_ResetDevParam( PACB pACB )
+static void dc390_ResetDevParam( struct dc390_acb* pACB )
{
- PDCB pDCB, pdcb;
+ struct dc390_dcb *pDCB, *pdcb;
pDCB = pACB->pLinkDCB;
if (! pDCB) return;
#if 0
/* Moves all SRBs from Going to Waiting for all DCBs */
-static void dc390_RecoverSRB( PACB pACB )
+static void dc390_RecoverSRB( struct dc390_acb* pACB )
{
- PDCB pDCB, pdcb;
- PSRB psrb, psrb2;
- UINT cnt, i;
+ struct dc390_dcb *pDCB, *pdcb;
+ struct dc390_srb *psrb, *psrb2;
+ u32 cnt, i;
pDCB = pACB->pLinkDCB;
if( !pDCB ) return;
#endif
/***********************************************************************
- * Function : int DC390_reset (Scsi_Cmnd *cmd, ...)
+ * Function : int DC390_reset (struct scsi_cmnd *cmd, ...)
*
* Purpose : perform a hard reset on the SCSI bus
*
* Returns : 0 on success.
***********************************************************************/
-static int DC390_reset (Scsi_Cmnd *cmd)
+static int DC390_reset (struct scsi_cmnd *cmd)
{
- UCHAR bval;
- PACB pACB = (PACB) cmd->device->host->hostdata;
+ u8 bval;
+ struct dc390_acb* pACB = (struct dc390_acb*) cmd->device->host->hostdata;
printk(KERN_INFO "DC390: RESET ... ");
#include "scsiiom.c"
-
-/***********************************************************************
- * Function : static void dc390_initDCB()
- *
- * Purpose : initialize the internal structures for a DCB (to be malloced)
- *
- * Inputs : SCSI id and lun
- ***********************************************************************/
-
-static void dc390_initDCB( PACB pACB, PDCB *ppDCB, UCHAR id, UCHAR lun )
-{
- PEEprom prom;
- UCHAR index;
- PDCB pDCB, pDCB2;
-
- pDCB = kmalloc (sizeof(DC390_DCB), GFP_ATOMIC);
- DCBDEBUG(printk (KERN_INFO "DC390: alloc mem for DCB (ID %i, LUN %i): %p\n", \
- id, lun, pDCB));
-
- *ppDCB = pDCB;
- if (!pDCB) return;
- pDCB2 = 0;
- if( pACB->DCBCnt == 0 )
- {
- pACB->pLinkDCB = pDCB;
- pACB->pDCBRunRobin = pDCB;
- }
- else
- {
- pACB->pLastDCB->pNextDCB = pDCB;
- }
-
- pACB->DCBCnt++;
-
- pDCB->pNextDCB = pACB->pLinkDCB;
- pACB->pLastDCB = pDCB;
-
- pDCB->pDCBACB = pACB;
- pDCB->TargetID = id;
- pDCB->TargetLUN = lun;
- pDCB->pWaitingSRB = NULL;
- pDCB->pGoingSRB = NULL;
- pDCB->GoingSRBCnt = 0;
- pDCB->WaitSRBCnt = 0;
- pDCB->pActiveSRB = NULL;
- pDCB->TagMask = 0;
- pDCB->MaxCommand = 1;
- index = pACB->AdapterIndex;
- pDCB->DCBFlag = 0;
-
- /* Is there a corresp. LUN==0 device ? */
- if (lun != 0)
- pDCB2 = dc390_findDCB (pACB, id, 0);
- prom = (PEEprom) &dc390_eepromBuf[index][id << 2];
- /* Some values are for all LUNs: Copy them */
- /* In a clean way: We would have an own structure for a SCSI-ID */
- if (pDCB2)
- {
- pDCB->DevMode = pDCB2->DevMode;
- pDCB->SyncMode = pDCB2->SyncMode;
- pDCB->SyncPeriod = pDCB2->SyncPeriod;
- pDCB->SyncOffset = pDCB2->SyncOffset;
- pDCB->NegoPeriod = pDCB2->NegoPeriod;
-
- pDCB->CtrlR3 = pDCB2->CtrlR3;
- pDCB->CtrlR4 = pDCB2->CtrlR4;
- pDCB->Inquiry7 = pDCB2->Inquiry7;
- }
- else
- {
- pDCB->DevMode = prom->EE_MODE1;
- pDCB->SyncMode = 0;
- pDCB->SyncPeriod = 0;
- pDCB->SyncOffset = 0;
- pDCB->NegoPeriod = (dc390_clock_period1[prom->EE_SPEED] * 25) >> 2;
-
- pDCB->CtrlR3 = FAST_CLK;
-
- pDCB->CtrlR4 = pACB->glitch_cfg | CTRL4_RESERVED;
- if( dc390_eepromBuf[index][EE_MODE2] & ACTIVE_NEGATION)
- pDCB->CtrlR4 |= NEGATE_REQACKDATA | NEGATE_REQACK;
- pDCB->Inquiry7 = 0;
- }
-
- pACB->DCBmap[id] |= (1 << lun);
- dc390_updateDCB(pACB, pDCB);
-}
-
/***********************************************************************
* Function : static void dc390_updateDCB()
*
* Purpose : Set the configuration dependent DCB parameters
***********************************************************************/
-static void dc390_updateDCB (PACB pACB, PDCB pDCB)
+static void dc390_updateDCB (struct dc390_acb* pACB, struct dc390_dcb* pDCB)
{
pDCB->SyncMode &= EN_TAG_QUEUEING | SYNC_NEGO_DONE /*| EN_ATN_STOP*/;
if (pDCB->DevMode & TAG_QUEUEING_) {
* Inputs : psrb - pointer to this scsi request block structure
***********************************************************************/
-static void __inline__ dc390_initSRB( PSRB psrb )
+static void __inline__ dc390_initSRB( struct dc390_srb* psrb )
{
/* psrb->PhysSRB = virt_to_phys( psrb ); */
}
-static void dc390_linkSRB( PACB pACB )
+static void dc390_linkSRB( struct dc390_acb* pACB )
{
- UINT count, i;
+ u32 count, i;
count = pACB->SRBCount;
for( i=0; i<count; i++)
* io_port, Irq, index: Resources and adapter index
***********************************************************************/
-static void __init dc390_initACB (PSH psh, ULONG io_port, UCHAR Irq, UCHAR index)
+static void __devinit dc390_initACB (struct Scsi_Host *psh, unsigned long io_port, u8 Irq, u8 index)
{
- PACB pACB;
- UCHAR i;
+ struct dc390_acb* pACB;
+ u8 i;
psh->can_queue = MAX_CMD_QUEUE;
psh->cmd_per_lun = MAX_CMD_PER_LUN;
psh->dma_channel = -1;
psh->last_reset = jiffies;
- pACB = (PACB) psh->hostdata;
+ pACB = (struct dc390_acb*) psh->hostdata;
pACB->pScsiHost = psh;
- pACB->IOPortBase = (USHORT) io_port;
+ pACB->IOPortBase = (u16) io_port;
pACB->IRQLevel = Irq;
DEBUG0(printk (KERN_INFO "DC390: Adapter index %i, ID %i, IO 0x%08x, IRQ 0x%02x\n", \
pACB->SRBCount = MAX_SRB_CNT;
pACB->AdapterIndex = index;
pACB->status = 0;
- psh->this_id = dc390_eepromBuf[index][EE_ADAPT_SCSI_ID];
- pACB->DeviceCnt = 0;
pACB->DCBCnt = 0;
pACB->TagMaxNum = 2 << dc390_eepromBuf[index][EE_TAG_CMD_NUM];
pACB->ACBFlag = 0;
* Outputs: 0 on success, -1 on error
***********************************************************************/
-static int __init dc390_initAdapter (PSH psh, ULONG io_port, UCHAR Irq, UCHAR index)
+static int __devinit dc390_initAdapter (struct Scsi_Host *psh, unsigned long io_port, u8 Irq, u8 index)
{
- PACB pACB, pACB2;
- UCHAR dstate;
+ struct dc390_acb *pACB, *pACB2;
+ u8 dstate;
int i;
- pACB = (PACB) psh->hostdata;
+ pACB = (struct dc390_acb*) psh->hostdata;
if (request_region (io_port, psh->n_io_port, "tmscsim") == NULL) {
printk(KERN_ERR "DC390: register IO ports error!\n");
}
-/***********************************************************************
- * Function : static int DC390_init (struct Scsi_Host *host, ...)
- *
- * Purpose : initialize the internal structures for a given SCSI host
- *
- * Inputs : host - pointer to this host adapter's structure
- * io_port - IO ports mapped to this adapter
- * Irq - IRQ assigned to this adpater
- * struct pci_dev - PCI access handle
- * index - Adapter index
- *
- * Outputs: 0 on success, -1 on error
- *
- * Note: written in capitals, because the locking is only done here,
- * not in DC390_detect, called from outside
- ***********************************************************************/
+static void __devinit dc390_set_pci_cfg (struct pci_dev *pdev)
+{
+ u16 cmd;
+
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+ cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_IO;
+ pci_write_config_word(pdev, PCI_COMMAND, cmd);
+ pci_write_config_word(pdev, PCI_STATUS, (PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY));
+}
-static int __init DC390_init (PSHT psht, ULONG io_port, UCHAR Irq, struct pci_dev *pdev, UCHAR index)
+/**
+ * dc390_slave_alloc - Called by the scsi mid layer to tell us about a new
+ * scsi device that we need to deal with.
+ *
+ * @scsi_device: The new scsi device that we need to handle.
+ */
+static int dc390_slave_alloc(struct scsi_device *scsi_device)
{
- PSH psh;
- PACB pACB;
+ struct dc390_acb *pACB = (struct dc390_acb*) scsi_device->host->hostdata;
+ struct dc390_dcb *pDCB, *pDCB2 = 0;
+ uint id = scsi_device->id;
+ uint lun = scsi_device->lun;
- if (dc390_CheckEEpromCheckSum (PDEV, index))
- {
- int speed;
- dc390_adapname = "AM53C974";
- printk (KERN_INFO "DC390_init: No EEPROM found! Trying default settings ...\n");
- dc390_check_for_safe_settings ();
- dc390_fill_with_defaults ();
- dc390_EEprom_Override (index);
- speed = dc390_clock_speed[tmscsim[1]];
- printk (KERN_INFO "DC390: Used defaults: AdaptID=%i, SpeedIdx=%i (%i.%i MHz),"
- " DevMode=0x%02x, AdaptMode=0x%02x, TaggedCmnds=%i (%i), DelayReset=%is\n",
- tmscsim[0], tmscsim[1], speed/10, speed%10,
- (UCHAR)tmscsim[2], (UCHAR)tmscsim[3], tmscsim[4], 2 << (tmscsim[4]), tmscsim[5]);
- }
- else
- {
- dc390_check_for_safe_settings ();
- dc390_EEprom_Override (index);
- }
+ pDCB = kmalloc(sizeof(struct dc390_dcb), GFP_KERNEL);
+ if (!pDCB)
+ return -ENOMEM;
+ memset(pDCB, 0, sizeof(struct dc390_dcb));
+
+ if (!pACB->DCBCnt++) {
+ pACB->pLinkDCB = pDCB;
+ pACB->pDCBRunRobin = pDCB;
+ } else {
+ pACB->pLastDCB->pNextDCB = pDCB;
+ }
- psh = scsi_register( psht, sizeof(DC390_ACB) );
- if( !psh ) return( -1 );
-
- scsi_set_device(psh, &pdev->dev);
- pACB = (PACB) psh->hostdata;
+ pDCB->pNextDCB = pACB->pLinkDCB;
+ pACB->pLastDCB = pDCB;
- DEBUG0(printk(KERN_INFO "DC390: pSH = %8x, Index %02i\n", (UINT) psh, index));
+ pDCB->pDCBACB = pACB;
+ pDCB->TargetID = id;
+ pDCB->TargetLUN = lun;
+ pDCB->MaxCommand = 1;
- dc390_initACB( psh, io_port, Irq, index );
-
- PDEVSET;
+ /*
+ * Some values are for all LUNs: Copy them
+ * In a clean way: We would have an own structure for a SCSI-ID
+ */
+ if (lun && (pDCB2 = dc390_findDCB(pACB, id, 0))) {
+ pDCB->DevMode = pDCB2->DevMode;
+ pDCB->SyncMode = pDCB2->SyncMode;
+ pDCB->SyncPeriod = pDCB2->SyncPeriod;
+ pDCB->SyncOffset = pDCB2->SyncOffset;
+ pDCB->NegoPeriod = pDCB2->NegoPeriod;
+
+ pDCB->CtrlR3 = pDCB2->CtrlR3;
+ pDCB->CtrlR4 = pDCB2->CtrlR4;
+ pDCB->Inquiry7 = pDCB2->Inquiry7;
+ } else {
+ u8 index = pACB->AdapterIndex;
+ PEEprom prom = (PEEprom) &dc390_eepromBuf[index][id << 2];
+
+ pDCB->DevMode = prom->EE_MODE1;
+ pDCB->NegoPeriod =
+ (dc390_clock_period1[prom->EE_SPEED] * 25) >> 2;
+ pDCB->CtrlR3 = FAST_CLK;
+ pDCB->CtrlR4 = pACB->glitch_cfg | CTRL4_RESERVED;
+ if (dc390_eepromBuf[index][EE_MODE2] & ACTIVE_NEGATION)
+ pDCB->CtrlR4 |= NEGATE_REQACKDATA | NEGATE_REQACK;
+ }
- if( !dc390_initAdapter( psh, io_port, Irq, index ) )
- {
- DEBUG0(printk("DC390: pACB = %8x, pDCBmap = %8x, pSRB_array = %8x\n",\
- (UINT) pACB, (UINT) pACB->DCBmap, (UINT) pACB->SRB_array));
- DEBUG0(printk("DC390: ACB size= %4x, DCB size= %4x, SRB size= %4x\n",\
- sizeof(DC390_ACB), sizeof(DC390_DCB), sizeof(DC390_SRB) ));
- return (0);
- }
- else
- {
- scsi_unregister( psh );
- return( -1 );
- }
+ pACB->DCBmap[id] |= (1 << lun);
+ dc390_updateDCB(pACB, pDCB);
+
+ pACB->scan_devices = 1;
+ scsi_device->hostdata = pDCB;
+ return 0;
}
-static void __init dc390_set_pci_cfg (PDEVDECL)
+/**
+ * dc390_slave_destroy - Called by the scsi mid layer to tell us about a
+ * device that is going away.
+ *
+ * @scsi_device: The scsi device that we need to remove.
+ */
+static void dc390_slave_destroy(struct scsi_device *scsi_device)
{
- USHORT cmd;
- PCI_READ_CONFIG_WORD (PDEV, PCI_COMMAND, &cmd);
- cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_IO;
- PCI_WRITE_CONFIG_WORD (PDEV, PCI_COMMAND, cmd);
- PCI_WRITE_CONFIG_WORD (PDEV, PCI_STATUS, (PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY));
+ struct dc390_acb* pACB = (struct dc390_acb*) scsi_device->host->hostdata;
+ struct dc390_dcb* pDCB = (struct dc390_dcb*) scsi_device->hostdata;
+ struct dc390_dcb* pPrevDCB = pACB->pLinkDCB;
+
+ pACB->scan_devices = 0;
+
+ BUG_ON(pDCB->GoingSRBCnt > 1);
+
+ pACB->DCBmap[pDCB->TargetID] &= ~(1 << pDCB->TargetLUN);
+
+ if (pDCB == pACB->pLinkDCB) {
+ if (pACB->pLastDCB == pDCB) {
+ pDCB->pNextDCB = NULL;
+ pACB->pLastDCB = NULL;
+ }
+ pACB->pLinkDCB = pDCB->pNextDCB;
+ } else {
+ while (pPrevDCB->pNextDCB != pDCB)
+ pPrevDCB = pPrevDCB->pNextDCB;
+ pPrevDCB->pNextDCB = pDCB->pNextDCB;
+ if (pDCB == pACB->pLastDCB)
+ pACB->pLastDCB = pPrevDCB;
+ }
+
+ if (pDCB == pACB->pActiveDCB)
+ pACB->pActiveDCB = NULL;
+ if (pDCB == pACB->pLinkDCB)
+ pACB->pLinkDCB = pDCB->pNextDCB;
+ if (pDCB == pACB->pDCBRunRobin)
+ pACB->pDCBRunRobin = pDCB->pNextDCB;
+ kfree(pDCB);
+
+ pACB->DCBCnt--;
}
-int __init DC390_detect (Scsi_Host_Template *psht)
+static int dc390_slave_configure(struct scsi_device *scsi_device)
{
- struct pci_dev *pdev = NULL;
- UCHAR irq;
- ULONG io_port;
+ struct dc390_acb* pACB = (struct dc390_acb*) scsi_device->host->hostdata;
+ pACB->scan_devices = 0;
+ return 0;
+}
- dc390_pACB_start = NULL;
+static struct scsi_host_template driver_template = {
+ .module = THIS_MODULE,
+ .proc_name = "tmscsim",
+ .proc_info = DC390_proc_info,
+ .name = DC390_BANNER " V" DC390_VERSION,
+ .slave_alloc = dc390_slave_alloc,
+ .slave_configure = dc390_slave_configure,
+ .slave_destroy = dc390_slave_destroy,
+ .queuecommand = DC390_queue_command,
+ .eh_abort_handler = DC390_abort,
+ .eh_bus_reset_handler = DC390_reset,
+ .bios_param = DC390_bios_param,
+ .can_queue = 42,
+ .this_id = 7,
+ .sg_tablesize = SG_ALL,
+ .cmd_per_lun = 16,
+ .use_clustering = DISABLE_CLUSTERING,
+};
- if ( PCI_PRESENT )
- while ((pdev = pci_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD53C974, pdev)))
- {
- if (pci_enable_device (pdev))
- continue;
+static int __devinit dc390_init_one(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ struct Scsi_Host *scsi_host;
+ unsigned long io_port;
+ u8 irq;
+ struct dc390_acb* pACB;
+ int ret = -ENOMEM;
+
+ if (pci_enable_device(dev))
+ return -ENODEV;
+
+ io_port = pci_resource_start(dev, 0);
+ irq = dev->irq;
+
+ /* allocate scsi host information (includes out adapter) */
+ scsi_host = scsi_host_alloc(&driver_template, sizeof(struct dc390_acb));
+ if (!scsi_host)
+ goto nomem;
+
+ pACB = (struct dc390_acb*) scsi_host->hostdata;
+
+ if (dc390_CheckEEpromCheckSum (dev, dc390_adapterCnt)) {
+ int speed;
+ dc390_adapname = "AM53C974";
+ printk(KERN_INFO "DC390_init: No EEPROM found! Trying default settings ...\n");
+ dc390_check_for_safe_settings();
+ dc390_fill_with_defaults();
+ dc390_EEprom_Override(dc390_adapterCnt);
+ speed = dc390_clock_speed[tmscsim[1]];
+ printk(KERN_INFO "DC390: Used defaults: AdaptID=%i, SpeedIdx=%i (%i.%i MHz),"
+ " DevMode=0x%02x, AdaptMode=0x%02x, TaggedCmnds=%i (%i), DelayReset=%is\n",
+ tmscsim[0], tmscsim[1], speed/10, speed%10,
+ (u8)tmscsim[2], (u8)tmscsim[3], tmscsim[4], 2 << (tmscsim[4]), tmscsim[5]);
+ } else {
+ dc390_check_for_safe_settings();
+ dc390_EEprom_Override(dc390_adapterCnt);
+ }
- if (pci_set_dma_mask(pdev, 0xffffffff)) {
- printk(KERN_ERR "DC390(%i): No suitable DMA available.\n", dc390_adapterCnt);
- continue;
- }
- PCI_GET_IO_AND_IRQ;
- DEBUG0(printk(KERN_INFO "DC390(%i): IO_PORT=%04x,IRQ=%x\n", dc390_adapterCnt, (UINT) io_port, irq));
+ DEBUG0(printk(KERN_INFO "DC390: pSH = %8x, Index %02i\n", (u32) scsi_host, dc390_adapterCnt));
- if( !DC390_init(psht, io_port, irq, PDEV, dc390_adapterCnt))
- {
- pci_set_master(pdev);
- dc390_set_pci_cfg (PDEV);
- dc390_adapterCnt++;
- }
+ dc390_initACB(scsi_host, io_port, irq, dc390_adapterCnt);
+
+ pACB->pdev = dev;
+
+ if (dc390_initAdapter(scsi_host, io_port, irq, dc390_adapterCnt)) {
+ scsi_unregister(scsi_host);
+ ret = -EBUSY;
+ goto busy;
}
- else
- printk (KERN_ERR "DC390: No PCI BIOS found!\n");
-
- if (dc390_adapterCnt)
- psht->proc_name = "tmscsim";
- printk(KERN_INFO "DC390: %i adapters found\n", dc390_adapterCnt);
- return( dc390_adapterCnt );
+ pci_set_master(dev);
+ dc390_set_pci_cfg(dev);
+ dc390_adapterCnt++;
+
+ /* get the scsi mid level to scan for new devices on the bus */
+ if (scsi_add_host(scsi_host, &dev->dev)) {
+ ret = -ENODEV;
+ goto nodev;
+ }
+ pci_set_drvdata(dev, scsi_host);
+ scsi_scan_host(scsi_host);
+
+ return 0;
+
+nodev:
+busy:
+ scsi_host_put(scsi_host);
+nomem:
+ pci_disable_device(dev);
+ return ret;
+}
+
+/**
+ * dc390_remove_one - Called to remove a single instance of the adapter.
+ *
+ * @dev: The PCI device to remove.
+ */
+static void __devexit dc390_remove_one(struct pci_dev *dev)
+{
+ struct Scsi_Host *scsi_host = pci_get_drvdata(dev);
+ unsigned long iflags;
+ struct dc390_acb* pACB = (struct dc390_acb*) scsi_host->hostdata;
+ u8 bval;
+
+ scsi_remove_host(scsi_host);
+
+ spin_lock_irqsave(scsi_host->host_lock, iflags);
+ pACB->ACBFlag = RESET_DEV;
+ bval = DC390_read8(CtrlReg1) | DIS_INT_ON_SCSI_RST;
+ DC390_write8 (CtrlReg1, bval); /* disable interrupt */
+ if (pACB->Gmode2 & RST_SCSI_BUS)
+ dc390_ResetSCSIBus(pACB);
+ spin_unlock_irqrestore(scsi_host->host_lock, iflags);
+
+ del_timer_sync(&pACB->Waiting_Timer);
+
+ free_irq(scsi_host->irq, pACB);
+ release_region(scsi_host->io_port, scsi_host->n_io_port);
+
+ pci_disable_device(dev);
+ scsi_host_put(scsi_host);
+ pci_set_drvdata(dev, NULL);
}
/********************************************************************
{
int dev, spd, spd1;
char *pos = buffer;
- PACB pACB;
- PDCB pDCB;
+ struct dc390_acb* pACB;
+ struct dc390_dcb* pDCB;
pACB = dc390_pACB_start;
- while(pACB != (PACB)-1)
+ while(pACB != (struct dc390_acb*)-1)
{
if (shpnt == pACB->pScsiHost)
break;
pACB = pACB->pNextACB;
}
- if (pACB == (PACB)-1) return(-ESRCH);
+ if (pACB == (struct dc390_acb*)-1) return(-ESRCH);
if(inout) /* Has data been written to the file ? */
return -ENOSYS;
SPRINTF(" Lost arbitrations %i, Sel. connected %i, Connected: %s\n",
pACB->SelLost, pACB->SelConn, pACB->Connected? "Yes": "No");
- SPRINTF("Nr of attached devices: %i, Nr of DCBs: %i\n", pACB->DeviceCnt, pACB->DCBCnt);
+ SPRINTF("Nr of DCBs: %i\n", pACB->DCBCnt);
SPRINTF("Map of attached LUNs: %02x %02x %02x %02x %02x %02x %02x %02x\n",
pACB->DCBmap[0], pACB->DCBmap[1], pACB->DCBmap[2], pACB->DCBmap[3],
pACB->DCBmap[4], pACB->DCBmap[5], pACB->DCBmap[6], pACB->DCBmap[7]);
for (dev = 0; dev < pACB->DCBCnt; dev++)
{
- PSRB pSRB;
+ struct dc390_srb* pSRB;
if (pDCB->WaitSRBCnt)
SPRINTF ("DCB (%02i-%i): Waiting: %i:", pDCB->TargetID, pDCB->TargetLUN,
pDCB->WaitSRBCnt);
#undef YESNO
#undef SPRINTF
-/***********************************************************************
- * Function : static int dc390_shutdown (struct Scsi_Host *host)
- *
- * Purpose : does a clean (we hope) shutdown of the SCSI chip.
- * Use prior to dumping core, unloading the driver, etc.
- *
- * Returns : 0 on success
- ***********************************************************************/
-static int dc390_shutdown (struct Scsi_Host *host)
-{
- UCHAR bval;
- PACB pACB = (PACB)(host->hostdata);
-
-/* pACB->soft_reset(host); */
-
- printk(KERN_INFO "DC390: shutdown\n");
-
- pACB->ACBFlag = RESET_DEV;
- bval = DC390_read8 (CtrlReg1);
- bval |= DIS_INT_ON_SCSI_RST;
- DC390_write8 (CtrlReg1, bval); /* disable interrupt */
- if (pACB->Gmode2 & RST_SCSI_BUS)
- dc390_ResetSCSIBus (pACB);
-
- if (timer_pending (&pACB->Waiting_Timer)) del_timer (&pACB->Waiting_Timer);
- return( 0 );
-}
+static struct pci_driver dc390_driver = {
+ .name = "tmscsim",
+ .id_table = tmscsim_pci_tbl,
+ .probe = dc390_init_one,
+ .remove = __devexit_p(dc390_remove_one),
+};
-static void dc390_freeDCBs (struct Scsi_Host *host)
+static int __init dc390_module_init(void)
{
- PDCB pDCB, nDCB;
- PACB pACB = (PACB)(host->hostdata);
-
- pDCB = pACB->pLinkDCB;
- if (!pDCB) return;
- do
- {
- nDCB = pDCB->pNextDCB;
- DCBDEBUG(printk (KERN_INFO "DC390: Free DCB (ID %i, LUN %i): %p\n",\
- pDCB->TargetID, pDCB->TargetLUN, pDCB));
- //kfree (pDCB);
- dc390_remove_dev (pACB, pDCB);
- pDCB = nDCB;
- } while (pDCB && pACB->pLinkDCB);
-
+ return pci_module_init(&dc390_driver);
}
-static int DC390_release (struct Scsi_Host *host)
+static void __exit dc390_module_exit(void)
{
- DC390_IFLAGS;
- PACB pACB = (PACB)(host->hostdata);
-
- DC390_LOCK_IO(host);
-
- /* TO DO: We should check for outstanding commands first. */
- dc390_shutdown (host);
-
- if (host->irq != SCSI_IRQ_NONE)
- {
- DEBUG0(printk(KERN_INFO "DC390: Free IRQ %i\n",host->irq));
- free_irq (host->irq, pACB);
- }
-
- release_region(host->io_port,host->n_io_port);
- dc390_freeDCBs (host);
- DC390_UNLOCK_IO(host);
- scsi_unregister(host);
- return( 1 );
+ pci_unregister_driver(&dc390_driver);
}
-static Scsi_Host_Template driver_template = {
- .proc_name = "tmscsim",
- .proc_info = DC390_proc_info,
- .name = DC390_BANNER " V" DC390_VERSION,
- .detect = DC390_detect,
- .release = DC390_release,
- .queuecommand = DC390_queue_command,
- .eh_abort_handler = DC390_abort,
- .eh_bus_reset_handler = DC390_reset,
- .bios_param = DC390_bios_param,
- .can_queue = 42,
- .this_id = 7,
- .sg_tablesize = SG_ALL,
- .cmd_per_lun = 16,
- .use_clustering = DISABLE_CLUSTERING,
-};
-#include "scsi_module.c"
+module_init(dc390_module_init);
+module_exit(dc390_module_exit);
git://git.onelab.eu / linux-2.6.git / blobdiff