/************************************************************************
* GDT ISA/EISA/PCI Disk Array Controller driver for Linux *
* *
* gdth.c *
* Copyright (C) 1995-97 ICP vortex Computersysteme GmbH, Achim Leubner *
* *
* <achim@vortex.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published *
* by the Free Software Foundation; either version 2 of the License, *
* or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this kernel; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
* Tested with Linux 1.2.13, ..., 2.0.29 *
* *
* $Log: gdth.c,v $
* Revision 1.8 1997/04/02 12:14:30 achim
* Version 1.00 (see gdth.h), tested with kernel 2.0.29
*
* Revision 1.7 1997/03/12 13:33:37 achim
* gdth_reset() changed, new async. events
*
* Revision 1.6 1997/03/04 14:01:11 achim
* Shutdown routine gdth_halt() implemented
*
* Revision 1.5 1997/02/21 09:08:36 achim
* New controller included (RP, RP1, RP2 series)
* IOCTL interface implemented
*
* Revision 1.4 1996/07/05 12:48:55 achim
* Function gdth_bios_param() implemented
* New constant GDTH_MAXC_P_L inserted
* GDT_WRITE_THR, GDT_EXT_INFO implemented
* Function gdth_reset() changed
*
* Revision 1.3 1996/05/10 09:04:41 achim
* Small changes for Linux 1.2.13
*
* Revision 1.2 1996/05/09 12:45:27 achim
* Loadable module support implemented
* /proc support corrections made
*
* Revision 1.1 1996/04/11 07:35:57 achim
* Initial revision
*
*
* $Id: gdth.c,v 1.8 1997/04/02 12:14:30 achim Exp $
************************************************************************/
#ifdef MODULE
#include <linux/module.h>
#endif
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/head.h>
#include <linux/types.h>
#include <linux/bios32.h>
#include <linux/pci.h>
#include <linux/string.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/in.h>
#include <linux/proc_fs.h>
#include <linux/time.h>
#include <linux/timer.h>
#include <asm/dma.h>
#include <asm/system.h>
#include <asm/io.h>
#if LINUX_VERSION_CODE >= 0x010300
#include <linux/blk.h>
#else
#include "../block/blk.h"
#endif
#include "scsi.h"
#include "hosts.h"
#include "sd.h"
#include "gdth.h"
#if LINUX_VERSION_CODE >= 0x010346
static void gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs);
#else
static void gdth_interrupt(int irq,struct pt_regs *regs);
#endif
static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp);
static int gdth_async_event(int hanum,int service);
static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority);
static void gdth_next(int hanum);
static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b);
static int gdth_special_cmd(int hanum,Scsi_Cmnd *scp,unchar b);
static gdth_evt_str *gdth_store_event(ushort source, ushort idx,
gdth_evt_data *evt);
static int gdth_read_event(int handle, gdth_evt_str *estr);
static void gdth_readapp_event(unchar application, gdth_evt_str *estr);
static void gdth_clear_events(void);
static void gdth_copy_internal_data(Scsi_Cmnd *scp,char *buffer,ushort count);
static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp,
unchar b,ulong *flags);
static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive);
static int gdth_search_eisa(ushort eisa_adr);
static int gdth_search_isa(ulong bios_adr);
static int gdth_search_pci(ushort device_id,ushort index,gdth_pci_str *pcistr);
static int gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha,int firsttime);
static int gdth_init_isa(ulong bios_adr,gdth_ha_str *ha,int firsttime);
static int gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha,int firsttime);
static void gdth_enable_int(int hanum);
static int gdth_get_status(unchar *pIStatus,int irq);
static int gdth_test_busy(int hanum);
static int gdth_get_cmd_index(int hanum);
static void gdth_release_event(int hanum);
static int gdth_wait(int hanum,int index,ulong time);
static int gdth_internal_cmd(int hanum,unchar service,ushort opcode,ulong p1,
ulong p2,ulong p3);
static int gdth_search_drives(int hanum,int firsttime);
static const char *gdth_ctr_name(int hanum);
void gdth_halt(void);
#ifdef DEBUG_GDTH
static unchar DebugState = DEBUG_GDTH;
extern int sys_syslog(int,char*,int);
#define LOGEN sys_syslog(7,NULL,0);
#define WAITSEC(a) {ulong idx; for(idx=0;idx<a*1000L;++idx) udelay(1000);}
#ifdef SLOWMOTION_GDTH
#define SLOWM WAITSEC(2)
#undef INIT_RETRIES
#undef INIT_TIMEOUT
#undef POLL_TIMEOUT
#define INIT_RETRIES 15
#define INIT_TIMEOUT 150
#define POLL_TIMEOUT 150
#else
#define SLOWM
#endif
#ifdef __SERIAL__
#define MAX_SERBUF 160
static void ser_init(void);
static void ser_puts(char *str);
static void ser_putc(char c);
static int ser_printk(const char *fmt, ...);
static char strbuf[MAX_SERBUF+1];
#ifdef __COM2__
#define COM_BASE 0x2f8
#else
#define COM_BASE 0x3f8
#endif
static void ser_init()
{
unsigned port=COM_BASE;
outb(0x80,port+3);
outb(0,port+1);
/* 19200 Baud, if 9600: outb(12,port) */
outb(6, port);
outb(3,port+3);
outb(0,port+1);
/*
ser_putc('I');
ser_putc(' ');
*/
}
static void ser_puts(char *str)
{
char *ptr;
ser_init();
for (ptr=str;*ptr;++ptr)
ser_putc(*ptr);
}
static void ser_putc(char c)
{
unsigned port=COM_BASE;
while ((inb(port+5) & 0x20)==0);
outb(c,port);
if (c==0x0a)
{
while ((inb(port+5) & 0x20)==0);
outb(0x0d,port);
}
}
static int ser_printk(const char *fmt, ...)
{
va_list args;
int i;
va_start(args,fmt);
i = vsprintf(strbuf,fmt,args);
ser_puts(strbuf);
va_end(args);
return i;
}
#define TRACE(a) {if (DebugState==1) {ser_printk a; SLOWM}}
#define TRACE2(a) {if (DebugState==1 || DebugState==2) {ser_printk a; SLOWM}}
#define TRACE3(a) {if (DebugState!=0) {ser_printk a; SLOWM}}
#else /* !__SERIAL__ */
#define TRACE(a) {if (DebugState==1) {LOGEN;printk a; SLOWM}}
#define TRACE2(a) {if (DebugState==1 || DebugState==2) {LOGEN;printk a; SLOWM}}
#define TRACE3(a) {if (DebugState!=0) {LOGEN;printk a; SLOWM}}
#endif
#else /* !DEBUG */
#define TRACE(a)
#define TRACE2(a)
#define TRACE3(a)
#endif
#ifdef GDTH_STATISTICS
static ulong max_rq=0, max_index=0, max_sg=0;
static ulong act_ints=0, act_ios=0, act_stats=0, act_rq=0;
#define GDTH_TIMER 31 /* see linux/timer.h ! */
#endif
#define PTR2USHORT(a) (ushort)(ulong)(a)
#define JIFFYWAIT(a) {ulong gdtjf;gdtjf=jiffies+(a);while(gdtjf>jiffies);}
#define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b)
#define INDEX_OK(i,t) ((i)<sizeof(t)/sizeof((t)[0]))
#define NUMDATA(a) ( (gdth_num_str *)((a)->hostdata))
#define HADATA(a) (&((gdth_ext_str *)((a)->hostdata))->haext)
#define CMDDATA(a) (&((gdth_ext_str *)((a)->hostdata))->cmdext)
#define DMADATA(a) (&((gdth_ext_str *)((a)->hostdata))->dmaext)
static unchar gdth_drq_tab[4] = {5,6,7,7}; /* DRQ table */
static unchar gdth_irq_tab[6] = {0,10,11,12,14,0}; /* IRQ table */
static unchar gdth_polling; /* polling if TRUE */
static unchar gdth_from_wait = FALSE; /* gdth_wait() */
static int wait_index,wait_hanum; /* gdth_wait() */
static int gdth_ctr_count = 0; /* controller count */
static int gdth_ctr_vcount = 0; /* virt. ctr. count */
static struct Scsi_Host *gdth_ctr_tab[MAXHA]; /* controller table */
static struct Scsi_Host *gdth_ctr_vtab[MAXHA*MAXBUS]; /* virt. ctr. table */
static unchar gdth_write_through = FALSE; /* write through */
static char *gdth_ioctl_tab[4][MAXHA]; /* ioctl buffer */
static gdth_evt_str ebuffer[MAX_EVENTS]; /* event buffer */
static int elastidx;
static int eoldidx;
static struct {
Scsi_Cmnd *cmnd; /* pending request */
ushort service; /* service */
} gdth_cmd_tab[GDTH_MAXCMDS][MAXHA]; /* table of pend. requests */
#define DIN 1 /* IN data direction */
#define DOU 2 /* OUT data direction */
#define DNO DIN /* no data transfer */
#define DUN DIN /* unknown data direction */
static unchar gdth_direction_tab[0x100] = {
DNO,DNO,DIN,DIN,DOU,DIN,DIN,DOU,DIN,DUN,DOU,DOU,DUN,DUN,DUN,DIN,
DNO,DIN,DIN,DOU,DIN,DOU,DNO,DNO,DOU,DNO,DIN,DNO,DIN,DOU,DNO,DUN,
DIN,DUN,DIN,DUN,DOU,DIN,DUN,DUN,DIN,DIN,DIN,DUN,DUN,DIN,DIN,DIN,
DIN,DIN,DIN,DNO,DIN,DNO,DNO,DIN,DIN,DIN,DIN,DIN,DIN,DIN,DIN,DIN,
DIN,DIN,DIN,DIN,DIN,DNO,DUN,DNO,DNO,DNO,DUN,DNO,DIN,DIN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DIN,DUN,DUN,DUN,DUN,DIN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DNO,DNO,DUN,DIN,DNO,DIN,DUN,DNO,DUN,DIN,DIN,
DIN,DIN,DIN,DNO,DUN,DIN,DIN,DIN,DIN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN,
DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN
};
/* LILO params: gdth=<IRQ>
*
* Where: <IRQ> is any of the valid IRQs for EISA controllers (10,11,12,14)
* Sets the IRQ of the GDT3000/3020 EISA controller to this value,
* if the IRQ can not automat. detect (controller BIOS disabled)
* See gdth_init_eisa()
*
* You can use the command line gdth=0 to disable the driver
*/
static unchar irqs[MAXHA] = {0xff};
static unchar disable_gdth_scan = FALSE;
/* /proc support */
#if LINUX_VERSION_CODE >= 0x010300
#include <linux/stat.h>
struct proc_dir_entry proc_scsi_gdth = {
PROC_SCSI_GDTH, 4, "gdth",
S_IFDIR | S_IRUGO | S_IXUGO, 2
};
#include "gdth_proc.h"
#include "gdth_proc.c"
#endif
/* controller search and initialization functions */
static int gdth_search_eisa(ushort eisa_adr)
{
ulong id;
TRACE(("gdth_search_eisa() adr. %x\n",eisa_adr));
id = inl(eisa_adr+ID0REG);
if (id == GDT3A_ID || id == GDT3B_ID) { /* GDT3000A or GDT3000B */
if ((inb(eisa_adr+EISAREG) & 8) == 0)
return 0; /* not EISA configured */
return 1;
}
if (id == GDT3_ID) /* GDT3000 */
return 1;
return 0;
}
static int gdth_search_isa(ulong bios_adr)
{
ulong id;
TRACE(("gdth_search_isa() bios adr. %lx\n",bios_adr));
id = *(ulong *)(bios_adr+BIOS_ID_OFFS);
if (id == GDT2_ID) /* GDT2000 */
return 1;
return 0;
}
static int gdth_search_pci(ushort device_id,ushort index,gdth_pci_str *pcistr)
{
int error;
ulong base0,base1,base2;
TRACE(("gdth_search_pci() device_id %d, index %d\n",
device_id,index));
if (!pcibios_present())
return 0;
if (pcibios_find_device(PCI_VENDOR_ID_VORTEX,device_id,index,
&pcistr->bus,&pcistr->device_fn))
return 0;
/* GDT PCI controller found, now read resources from config space */
#if LINUX_VERSION_CODE >= 0x010300
#define GDTH_BASEP (int *)
#else
#define GDTH_BASEP
#endif
if ((error = pcibios_read_config_dword(pcistr->bus,pcistr->device_fn,
PCI_BASE_ADDRESS_0,
GDTH_BASEP&base0)) ||
(error = pcibios_read_config_dword(pcistr->bus,pcistr->device_fn,
PCI_BASE_ADDRESS_1,
GDTH_BASEP&base1)) ||
(error = pcibios_read_config_dword(pcistr->bus,pcistr->device_fn,
PCI_BASE_ADDRESS_2,
GDTH_BASEP&base2)) ||
(error = pcibios_read_config_dword(pcistr->bus,pcistr->device_fn,
PCI_ROM_ADDRESS,
GDTH_BASEP&pcistr->bios)) ||
(error = pcibios_read_config_byte(pcistr->bus,pcistr->device_fn,
PCI_INTERRUPT_LINE,&pcistr->irq))) {
printk("GDT-PCI: error %s reading configuration space",
pcibios_strerror(error));
return -1;
}
pcistr->device_id = device_id;
if (device_id <= PCI_DEVICE_ID_VORTEX_GDT6000B || /* GDT6000 or GDT6000B */
device_id >= PCI_DEVICE_ID_VORTEX_GDT6x17RP) { /* MPR */
if ((base0 & PCI_BASE_ADDRESS_SPACE)!=PCI_BASE_ADDRESS_SPACE_MEMORY)
return -1;
pcistr->dpmem = base0 & PCI_BASE_ADDRESS_MEM_MASK;
} else { /* GDT6110, GDT6120, .. */
if ((base0 & PCI_BASE_ADDRESS_SPACE)!=PCI_BASE_ADDRESS_SPACE_MEMORY ||
(base2 & PCI_BASE_ADDRESS_SPACE)!=PCI_BASE_ADDRESS_SPACE_MEMORY ||
(base1 & PCI_BASE_ADDRESS_SPACE)!=PCI_BASE_ADDRESS_SPACE_IO)
return -1;
pcistr->dpmem = base2 & PCI_BASE_ADDRESS_MEM_MASK;
pcistr->io_mm = base0 & PCI_BASE_ADDRESS_MEM_MASK;
pcistr->io = base1 & PCI_BASE_ADDRESS_IO_MASK;
}
return 1;
}
static int gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha,int firsttime)
{
ulong retries,id;
unchar prot_ver,eisacf,i,irq_found;
TRACE(("gdth_init_eisa() adr. %x\n",eisa_adr));
/* disable board interrupts, deinitialize services */
outb(0xff,eisa_adr+EDOORREG);
outb(0x00,eisa_adr+EDENABREG);
outb(0x00,eisa_adr+EINTENABREG);
outb(0xff,eisa_adr+LDOORREG);
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (inb(eisa_adr+EDOORREG) != 0xff) {
if (--retries == 0) {
printk("GDT-EISA: Initialization error (DEINIT failed)\n");
return 0;
}
udelay(1000);
TRACE2(("wait for DEINIT: retries=%ld\n",retries));
}
prot_ver = inb(eisa_adr+MAILBOXREG);
outb(0xff,eisa_adr+EDOORREG);
if (prot_ver != PROTOCOL_VERSION) {
printk("GDT-EISA: Illegal protocol version\n");
return 0;
}
ha->brd = (ulong)eisa_adr;
ha->brd_phys = (ulong)eisa_adr >> 12;
outl(0,eisa_adr+MAILBOXREG);
outl(0,eisa_adr+MAILBOXREG+4);
outl(0,eisa_adr+MAILBOXREG+8);
outl(0,eisa_adr+MAILBOXREG+12);
/* detect IRQ */
if ((id = inl(eisa_adr+ID0REG)) == GDT3_ID) {
ha->type = GDT_EISA;
ha->stype = id;
outl(1,eisa_adr+MAILBOXREG+8);
outb(0xfe,eisa_adr+LDOORREG);
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (inb(eisa_adr+EDOORREG) != 0xfe) {
if (--retries == 0) {
printk("GDT-EISA: Initialization error (get IRQ failed)\n");
return 0;
}
udelay(1000);
}
if (firsttime)
ha->irq = inb(eisa_adr+MAILBOXREG);
outb(0xff,eisa_adr+EDOORREG);
TRACE2(("GDT3000/3020: IRQ=%d\n",ha->irq));
if (firsttime) {
/* check the result */
if (ha->irq == 0) {
TRACE2(("Unknown IRQ, check IRQ table from cmd line !\n"));
for (i=0,irq_found=FALSE; i<MAXHA && irqs[i]!=0xff; ++i) {
if (irqs[i]!=0) {
irq_found=TRUE;
break;
}
}
if (irq_found) {
ha->irq = irqs[i];
irqs[i] = 0;
printk("GDT-EISA: Can not detect controller IRQ,\n");
printk("Use IRQ setting from command line (IRQ = %d)\n",
ha->irq);
} else {
printk("GDT-EISA: Initialization error (unknown IRQ), Enable\n");
printk("the controller BIOS or use command line parameters\n");
return 0;
}
}
}
} else {
eisacf = inb(eisa_adr+EISAREG) & 7;
if (eisacf > 4) /* level triggered */
eisacf -= 4;
ha->irq = gdth_irq_tab[eisacf];
ha->type = GDT_EISA;
ha->stype= id;
}
return 1;
}
static int gdth_init_isa(ulong bios_adr,gdth_ha_str *ha,int firsttime)
{
register gdt2_dpram_str *dp2_ptr;
int i;
unchar irq_drq,prot_ver;
ulong retries;
TRACE(("gdth_init_isa() bios adr. %lx\n",bios_adr));
ha->brd = bios_adr;
dp2_ptr = (gdt2_dpram_str *)ha->brd;
dp2_ptr->io.memlock = 1; /* switch off write protection */
/* reset interface area */
memset((char *)&dp2_ptr->u,0,sizeof(dp2_ptr->u));
/* disable board interrupts, read DRQ and IRQ */
dp2_ptr->io.irqdel = 0xff;
dp2_ptr->io.irqen = 0x00;
dp2_ptr->u.ic.S_Status = 0x00;
dp2_ptr->u.ic.Cmd_Index= 0x00;
irq_drq = dp2_ptr->io.rq;
for (i=0; i<3; ++i) {
if ((irq_drq & 1)==0)
break;
irq_drq >>= 1;
}
ha->drq = gdth_drq_tab[i];
irq_drq = dp2_ptr->io.rq >> 3;
for (i=1; i<5; ++i) {
if ((irq_drq & 1)==0)
break;
irq_drq >>= 1;
}
ha->irq = gdth_irq_tab[i];
/* deinitialize services */
dp2_ptr->u.ic.S_Info[0] = bios_adr;
dp2_ptr->u.ic.S_Cmd_Indx= 0xff;
dp2_ptr->io.event = 0;
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp2_ptr->u.ic.S_Status != 0xff) {
if (--retries == 0) {
printk("GDT-ISA: Initialization error (DEINIT failed)\n");
return 0;
}
udelay(1000);
}
prot_ver = (unchar)dp2_ptr->u.ic.S_Info[0];
dp2_ptr->u.ic.Status = 0;
dp2_ptr->io.irqdel = 0xff;
if (prot_ver != PROTOCOL_VERSION) {
printk("GDT-ISA: Illegal protocol version\n");
return 0;
}
ha->type = GDT_ISA;
ha->ic_all_size = sizeof(dp2_ptr->u);
ha->stype= GDT2_ID;
ha->brd_phys = bios_adr >> 4;
/* special request to controller BIOS */
dp2_ptr->u.ic.S_Info[0] = 0x00;
dp2_ptr->u.ic.S_Info[1] = 0x00;
dp2_ptr->u.ic.S_Info[2] = 0x01;
dp2_ptr->u.ic.S_Info[3] = 0x00;
dp2_ptr->u.ic.S_Cmd_Indx= 0xfe;
dp2_ptr->io.event = 0;
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp2_ptr->u.ic.S_Status != 0xfe) {
if (--retries == 0) {
printk("GDT-ISA: Initialization error\n");
return 0;
}
udelay(1000);
}
dp2_ptr->u.ic.Status = 0;
dp2_ptr->io.irqdel = 0xff;
return 1;
}
static int gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha,int firsttime)
{
register gdt6_dpram_str *dp6_ptr;
register gdt6c_dpram_str *dp6c_ptr;
register gdt6m_dpram_str *dp6m_ptr;
ulong retries;
unchar prot_ver;
unchar remapped = FALSE;
TRACE(("gdth_init_pci()\n"));
if (firsttime) {
ha->brd = pcistr->dpmem;
ha->brd_phys = (pcistr->bus << 8) | (pcistr->device_fn & 0xf8);
ha->stype = (ulong)pcistr->device_id;
ha->irq = pcistr->irq;
}
if (ha->stype <= PCI_DEVICE_ID_VORTEX_GDT6000B) { /* GDT6000 or GDT6000B */
TRACE2(("init_pci() dpmem %lx irq %d\n",ha->brd,ha->irq));
dp6_ptr = (gdt6_dpram_str *)ha->brd;
/* reset interface area */
memset((char *)&dp6_ptr->u,0,sizeof(dp6_ptr->u));
if (*(ulong *)&dp6_ptr->u != 0) {
printk("GDT-PCI: Initialization error (DPMEM write error)\n");
return 0;
}
/* disable board interrupts, deinit services */
dp6_ptr->io.irqdel = 0xff;
dp6_ptr->io.irqen = 0x00;
dp6_ptr->u.ic.S_Status = 0x00;
dp6_ptr->u.ic.Cmd_Index= 0x00;
dp6_ptr->u.ic.S_Info[0] = ha->brd;
dp6_ptr->u.ic.S_Cmd_Indx= 0xff;
dp6_ptr->io.event = 0;
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp6_ptr->u.ic.S_Status != 0xff) {
if (--retries == 0) {
printk("GDT-PCI: Initialization error (DEINIT failed)\n");
return 0;
}
udelay(1000);
}
prot_ver = (unchar)dp6_ptr->u.ic.S_Info[0];
dp6_ptr->u.ic.S_Status = 0;
dp6_ptr->io.irqdel = 0xff;
if (prot_ver != PROTOCOL_VERSION) {
printk("GDT-PCI: Illegal protocol version\n");
return 0;
}
ha->type = GDT_PCI;
ha->ic_all_size = sizeof(dp6_ptr->u);
/* special command to controller BIOS */
dp6_ptr->u.ic.S_Info[0] = 0x00;
dp6_ptr->u.ic.S_Info[1] = 0x00;
dp6_ptr->u.ic.S_Info[2] = 0x01;
dp6_ptr->u.ic.S_Info[3] = 0x00;
dp6_ptr->u.ic.S_Cmd_Indx= 0xfe;
dp6_ptr->io.event = 0;
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp6_ptr->u.ic.S_Status != 0xfe) {
if (--retries == 0) {
printk("GDT-PCI: Initialization error\n");
return 0;
}
udelay(1000);
}
dp6_ptr->u.ic.S_Status = 0;
dp6_ptr->io.irqdel = 0xff;
} else if (ha->stype <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, GDT6120, .. */
if (firsttime) {
ha->plx = (gdt6c_plx_regs *)pcistr->io;
}
TRACE2(("init_pci_new() dpmem %lx io %lx irq %d\n",
ha->brd,(ulong)ha->plx,ha->irq));
dp6c_ptr = (gdt6c_dpram_str *)ha->brd;
/* reset interface area */
memset((char *)&dp6c_ptr->u,0,sizeof(dp6c_ptr->u));
if (*(ulong *)&dp6c_ptr->u != 0) {
printk("GDT-PCI: Initialization error (DPMEM write error)\n");
return 0;
}
/* disable board interrupts, deinit services */
outb(0x00,PTR2USHORT(&ha->plx->control1));
outb(0xff,PTR2USHORT(&ha->plx->edoor_reg));
dp6c_ptr->u.ic.S_Status = 0x00;
dp6c_ptr->u.ic.Cmd_Index= 0x00;
dp6c_ptr->u.ic.S_Info[0] = ha->brd;
dp6c_ptr->u.ic.S_Cmd_Indx= 0xff;
outb(1,PTR2USHORT(&ha->plx->ldoor_reg));
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp6c_ptr->u.ic.S_Status != 0xff) {
if (--retries == 0) {
printk("GDT-PCI: Initialization error (DEINIT failed)\n");
return 0;
}
udelay(1000);
}
prot_ver = (unchar)dp6c_ptr->u.ic.S_Info[0];
dp6c_ptr->u.ic.Status = 0;
if (prot_ver != PROTOCOL_VERSION) {
printk("GDT-PCI: Illegal protocol version\n");
return 0;
}
ha->type = GDT_PCINEW;
ha->ic_all_size = sizeof(dp6c_ptr->u);
/* special command to controller BIOS */
dp6c_ptr->u.ic.S_Info[0] = 0x00;
dp6c_ptr->u.ic.S_Info[1] = 0x00;
dp6c_ptr->u.ic.S_Info[2] = 0x01;
dp6c_ptr->u.ic.S_Info[3] = 0x00;
dp6c_ptr->u.ic.S_Cmd_Indx= 0xfe;
outb(1,PTR2USHORT(&ha->plx->ldoor_reg));
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp6c_ptr->u.ic.S_Status != 0xfe) {
if (--retries == 0) {
printk("GDT-PCI: Initialization error\n");
return 0;
}
udelay(1000);
}
dp6c_ptr->u.ic.S_Status = 0;
} else { /* MPR */
if (ha->brd > 0xfffff) { /* NOT below 1MB */
#if LINUX_VERSION_CODE >= 0x010300
/* Linux 1.3.X allow to remap physical pages adresses greater
than the highest physical memory address to kernel virtual
pages using vremap()/vfree(), Linux 1.2.X doesn't */
TRACE2(("init_pci_mpr() dpmem %lx irq %d\n",ha->brd,ha->irq));
ha->brd = (ulong)vremap(ha->brd, sizeof(gdt6m_dpram_str));
if (ha->brd == 0L) {
printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
return 0;
}
TRACE2(("init_pci_mpr() remapped dpmem %lx\n",ha->brd));
remapped = TRUE;
#else
printk("GDT-PCI: Initialization error (DPMEM not below 1MB)\n");
return 0;
#endif
}
dp6m_ptr = (gdt6m_dpram_str *)ha->brd;
/* reset interface area */
memset((char *)&dp6m_ptr->u,0,sizeof(dp6m_ptr->u));
if (*(ulong *)&dp6m_ptr->u != 0) {
printk("GDT-PCI: Initialization error (DPMEM write error)\n");
#if LINUX_VERSION_CODE >= 0x010300
if (remapped)
vfree((void *)ha->brd);
#endif
return 0;
}
/* disable board interrupts, deinit services */
dp6m_ptr->i960r.edoor_en_reg |= 4;
dp6m_ptr->i960r.edoor_reg = 0xff;
dp6m_ptr->u.ic.S_Status = 0x00;
dp6m_ptr->u.ic.Cmd_Index = 0x00;
dp6m_ptr->u.ic.S_Info[0] = ha->brd;
dp6m_ptr->u.ic.S_Cmd_Indx = 0xff;
dp6m_ptr->i960r.ldoor_reg = 1;
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp6m_ptr->u.ic.S_Status != 0xff) {
if (--retries == 0) {
printk("GDT-PCI: Initialization error (DEINIT failed)\n");
#if LINUX_VERSION_CODE >= 0x010300
if (remapped)
vfree((void *)ha->brd);
#endif
return 0;
}
udelay(1000);
}
prot_ver = (unchar)dp6m_ptr->u.ic.S_Info[0];
dp6m_ptr->u.ic.S_Status = 0;
if (prot_ver != PROTOCOL_VERSION) {
printk("GDT-PCI: Illegal protocol version\n");
#if LINUX_VERSION_CODE >= 0x010300
if (remapped)
vfree((void *)ha->brd);
#endif
return 0;
}
ha->type = GDT_PCIMPR;
ha->ic_all_size = sizeof(dp6m_ptr->u);
/* special command to controller BIOS */
dp6m_ptr->u.ic.S_Info[0] = 0x00;
dp6m_ptr->u.ic.S_Info[1] = 0x00;
dp6m_ptr->u.ic.S_Info[2] = 0x01;
dp6m_ptr->u.ic.S_Info[3] = 0x00;
dp6m_ptr->u.ic.S_Cmd_Indx = 0xfe;
dp6m_ptr->i960r.ldoor_reg = 1;
retries = INIT_RETRIES;
JIFFYWAIT(2);
while (dp6m_ptr->u.ic.S_Status != 0xfe) {
if (--retries == 0) {
printk("GDT-PCI: Initialization error\n");
#if LINUX_VERSION_CODE >= 0x010300
if (remapped)
vfree((void *)ha->brd);
#endif
return 0;
}
udelay(1000);
}
dp6m_ptr->u.ic.S_Status = 0;
}
return 1;
}
/* controller protocol functions */
static void gdth_enable_int(int hanum)
{
gdth_ha_str *ha;
ulong flags;
ushort addr;
gdt2_dpram_str *dp2_ptr;
gdt6_dpram_str *dp6_ptr;
gdt6m_dpram_str *dp6m_ptr;
TRACE(("gdth_enable_int() hanum %d\n",hanum));
ha = HADATA(gdth_ctr_tab[hanum]);
save_flags(flags);
cli();
if (ha->type == GDT_EISA) {
addr = (ushort)ha->brd;
outb(0xff,addr+EDOORREG);
outb(0xff,addr+EDENABREG);
outb(0x01,addr+EINTENABREG);
} else if (ha->type == GDT_ISA) {
dp2_ptr = (gdt2_dpram_str *)ha->brd;
dp2_ptr->io.irqdel = 1;
dp2_ptr->u.ic.Cmd_Index = 0;
dp2_ptr->io.irqen = 1;
} else if (ha->type == GDT_PCI) {
dp6_ptr = (gdt6_dpram_str *)ha->brd;
dp6_ptr->io.irqdel = 1;
dp6_ptr->u.ic.Cmd_Index = 0;
dp6_ptr->io.irqen = 1;
} else if (ha->type == GDT_PCINEW) {
outb(0xff,PTR2USHORT(&ha->plx->edoor_reg));
outb(0x03,PTR2USHORT(&ha->plx->control1));
} else if (ha->type == GDT_PCIMPR) {
dp6m_ptr = (gdt6m_dpram_str *)ha->brd;
dp6m_ptr->i960r.edoor_reg = 0xff;
dp6m_ptr->i960r.edoor_en_reg &= ~4;
}
restore_flags(flags);
}
static int gdth_get_status(unchar *pIStatus,int irq)
{
register gdth_ha_str *ha;
int i;
TRACE(("gdth_get_status() irq %d ctr_count %d\n",
irq,gdth_ctr_count));
*pIStatus = 0;
for (i=0; i<gdth_ctr_count; ++i) {
ha = HADATA(gdth_ctr_tab[i]);
if (ha->irq != (unchar)irq) /* check IRQ */
continue;
if (ha->type == GDT_EISA)
*pIStatus = inb((ushort)ha->brd+EDOORREG);
else if (ha->type == GDT_ISA)
*pIStatus = ((gdt2_dpram_str *)ha->brd)->u.ic.Cmd_Index;
else if (ha->type == GDT_PCI)
*pIStatus = ((gdt6_dpram_str *)ha->brd)->u.ic.Cmd_Index;
else if (ha->type == GDT_PCINEW)
*pIStatus = inb(PTR2USHORT(&ha->plx->edoor_reg));
else if (ha->type == GDT_PCIMPR)
*pIStatus = ((gdt6m_dpram_str *)ha->brd)->i960r.edoor_reg;
if (*pIStatus)
return i; /* board found */
}
return -1;
}
static int gdth_test_busy(int hanum)
{
register gdth_ha_str *ha;
register int gdtsema0 = 0;
TRACE(("gdth_test_busy() hanum %d\n",hanum));
ha = HADATA(gdth_ctr_tab[hanum]);
if (ha->type == GDT_EISA)
gdtsema0 = (int)inb((ushort)ha->brd+SEMA0REG);
else if (ha->type == GDT_ISA)
gdtsema0 = (int)((gdt2_dpram_str *)ha->brd)->u.ic.Sema0;
else if (ha->type == GDT_PCI)
gdtsema0 = (int)((gdt6_dpram_str *)ha->brd)->u.ic.Sema0;
else if (ha->type == GDT_PCINEW)
gdtsema0 = (int)inb(PTR2USHORT(&ha->plx->sema0_reg));
else if (ha->type == GDT_PCIMPR)
gdtsema0 = (int)((gdt6m_dpram_str *)ha->brd)->i960r.sema0_reg;
return (gdtsema0 & 1);
}
static int gdth_get_cmd_index(int hanum)
{
register gdth_ha_str *ha;
int i;
TRACE(("gdth_get_cmd_index() hanum %d\n",hanum));
ha = HADATA(gdth_ctr_tab[hanum]);
for (i=0; i<GDTH_MAXCMDS; ++i) {
if (gdth_cmd_tab[i][hanum].cmnd == UNUSED_CMND) {
gdth_cmd_tab[i][hanum].cmnd = ha->pccb->RequestBuffer;
gdth_cmd_tab[i][hanum].service = ha->pccb->Service;
ha->pccb->CommandIndex = (ulong)i+2;
return (i+2);
}
}
return 0;
}
static void gdth_set_sema0(int hanum)
{
register gdth_ha_str *ha;
TRACE(("gdth_set_sema0() hanum %d\n",hanum));
ha = HADATA(gdth_ctr_tab[hanum]);
if (ha->type == GDT_EISA)
outb(1,(ushort)ha->brd+SEMA0REG);
else if (ha->type == GDT_ISA)
((gdt2_dpram_str *)ha->brd)->u.ic.Sema0 = 1;
else if (ha->type == GDT_PCI)
((gdt6_dpram_str *)ha->brd)->u.ic.Sema0 = 1;
else if (ha->type == GDT_PCINEW)
outb(1,PTR2USHORT(&ha->plx->sema0_reg));
else if (ha->type == GDT_PCIMPR)
((gdt6m_dpram_str *)ha->brd)->i960r.sema0_reg = 1;
}
static void gdth_copy_command(int hanum)
{
register gdth_ha_str *ha;
register gdth_cmd_str *cmd_ptr;
register gdt6m_dpram_str *dp6m_ptr;
register gdt6c_dpram_str *dp6c_ptr;
gdt6_dpram_str *dp6_ptr;
gdt2_dpram_str *dp2_ptr;
ushort cp_count,dp_offset,cmd_no;
TRACE(("gdth_copy_command() hanum %d\n",hanum));
ha = HADATA(gdth_ctr_tab[hanum]);
cp_count = ha->cmd_len;
dp_offset= ha->cmd_offs_dpmem;
cmd_no = ha->cmd_cnt;
cmd_ptr = ha->pccb;
++ha->cmd_cnt;
if (ha->type == GDT_EISA)
return; /* no DPMEM, no copy */
/* set cpcount dword aligned */
if (cp_count & 3)
cp_count += (4 - (cp_count & 3));
ha->cmd_offs_dpmem += cp_count;
/* set offset and service, copy command to DPMEM */
if (ha->type == GDT_ISA) {
dp2_ptr = (gdt2_dpram_str *)ha->brd;
dp2_ptr->u.ic.comm_queue[cmd_no].offset =
dp_offset + DPMEM_COMMAND_OFFSET;
dp2_ptr->u.ic.comm_queue[cmd_no].serv_id =
(ushort)cmd_ptr->Service;
memcpy(&dp2_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count);
} else if (ha->type == GDT_PCI) {
dp6_ptr = (gdt6_dpram_str *)ha->brd;
dp6_ptr->u.ic.comm_queue[cmd_no].offset =
dp_offset + DPMEM_COMMAND_OFFSET;
dp6_ptr->u.ic.comm_queue[cmd_no].serv_id =
(ushort)cmd_ptr->Service;
memcpy(&dp6_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count);
} else if (ha->type == GDT_PCINEW) {
dp6c_ptr = (gdt6c_dpram_str *)ha->brd;
dp6c_ptr->u.ic.comm_queue[cmd_no].offset =
dp_offset + DPMEM_COMMAND_OFFSET;
dp6c_ptr->u.ic.comm_queue[cmd_no].serv_id =
(ushort)cmd_ptr->Service;
memcpy(&dp6c_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count);
} else if (ha->type == GDT_PCIMPR) {
dp6m_ptr = (gdt6m_dpram_str *)ha->brd;
dp6m_ptr->u.ic.comm_queue[cmd_no].offset =
dp_offset + DPMEM_COMMAND_OFFSET;
dp6m_ptr->u.ic.comm_queue[cmd_no].serv_id =
(ushort)cmd_ptr->Service;
memcpy(&dp6m_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count);
}
}
static void gdth_release_event(int hanum)
{
register gdth_ha_str *ha;
#ifdef GDTH_STATISTICS
ulong i,j;
for (i=0,j=0; j<GDTH_MAXCMDS; ++j) {
if (gdth_cmd_tab[j][hanum].cmnd != UNUSED_CMND)
++i;
}
if (max_index < i) {
max_index = i;
TRACE3(("GDT: max_index = %d\n",(ushort)i));
}
#endif
TRACE(("gdth_release_event() hanum %d\n",hanum));
ha = HADATA(gdth_ctr_tab[hanum]);
if (ha->pccb->OpCode == GDT_INIT)
ha->pccb->Service |= 0x80;
if (ha->type == GDT_EISA) {
outb(ha->pccb->Service,(ushort)ha->brd+LDOORREG);
if (ha->pccb->OpCode == GDT_INIT) /* store DMA buffer */
outl((ulong)ha->pccb,(ushort)ha->brd+MAILBOXREG);
} else if (ha->type == GDT_ISA)
((gdt2_dpram_str *)ha->brd)->io.event = 0;
else if (ha->type == GDT_PCI)
((gdt6_dpram_str *)ha->brd)->io.event = 0;
else if (ha->type == GDT_PCINEW)
outb(1,PTR2USHORT(&ha->plx->ldoor_reg));
else if (ha->type == GDT_PCIMPR)
((gdt6m_dpram_str *)ha->brd)->i960r.ldoor_reg = 1;
}
static int gdth_wait(int hanum,int index,ulong time)
{
gdth_ha_str *ha;
int answer_found = FALSE;
TRACE(("gdth_wait() hanum %d index %d time %ld\n",hanum,index,time));
ha = HADATA(gdth_ctr_tab[hanum]);
if (index == 0)
return 1; /* no wait required */
gdth_from_wait = TRUE;
do {
#if LINUX_VERSION_CODE >= 0x010346
gdth_interrupt((int)ha->irq,NULL,NULL);
#else
gdth_interrupt((int)ha->irq,NULL);
#endif
if (wait_hanum==hanum && wait_index==index) {
answer_found = TRUE;
break;
}
udelay(1000);
} while (--time);
gdth_from_wait = FALSE;
while (gdth_test_busy(hanum))
udelay(1);
return (answer_found);
}
static int gdth_internal_cmd(int hanum,unchar service,ushort opcode,ulong p1,
ulong p2,ulong p3)
{
register gdth_ha_str *ha;
register gdth_cmd_str *cmd_ptr;
int retries,index;
TRACE2(("gdth_internal_cmd() service %d opcode %d\n",service,opcode));
ha = HADATA(gdth_ctr_tab[hanum]);
cmd_ptr = ha->pccb;
memset((char*)cmd_ptr,0,sizeof(gdth_cmd_str));
/* make command */
for (retries = INIT_RETRIES;;) {
cmd_ptr->Service = service;
cmd_ptr->RequestBuffer = INTERNAL_CMND;
if (!(index=gdth_get_cmd_index(hanum))) {
TRACE(("GDT: No free command index found\n"));
return 0;
}
gdth_set_sema0(hanum);
cmd_ptr->OpCode = opcode;
cmd_ptr->BoardNode = LOCALBOARD;
if (service == CACHESERVICE) {
if (opcode == GDT_IOCTL) {
cmd_ptr->u.ioctl.subfunc = p1;
cmd_ptr->u.ioctl.channel = p2;
cmd_ptr->u.ioctl.param_size = (ushort)p3;
cmd_ptr->u.ioctl.p_param = (ulong)ha->pscratch;
} else {
cmd_ptr->u.cache.DeviceNo = (ushort)p1;
cmd_ptr->u.cache.BlockNo = p2;
}
} else if (service == SCSIRAWSERVICE) {
cmd_ptr->u.raw.direction = p1;
cmd_ptr->u.raw.bus = (unchar)p2;
cmd_ptr->u.raw.target = (unchar)p3;
cmd_ptr->u.raw.lun = 0;
}
ha->cmd_len = sizeof(gdth_cmd_str);
ha->cmd_offs_dpmem = 0;
ha->cmd_cnt = 0;
gdth_copy_command(hanum);
gdth_release_event(hanum);
JIFFYWAIT(2);
if (!gdth_wait(hanum,index,INIT_TIMEOUT)) {
printk("GDT: Initialization error (timeout service %d)\n",service);
return 0;
}
if (ha->status != S_BSY || --retries == 0)
break;
udelay(1000);
}
return (ha->status != S_OK ? 0:1);
}
/* search for devices */
static int gdth_search_drives(int hanum,int firsttime)
{
register gdth_ha_str *ha;
ushort cdev_cnt,i;
unchar b,t,pos_found;
ulong drv_cyls, drv_hds, drv_secs;
ulong bus_no;
gdth_getch_str *chn;
TRACE(("gdth_search_drives() hanum %d flag %d\n",hanum,firsttime));
ha = HADATA(gdth_ctr_tab[hanum]);
/* initialize controller services, at first: screen service */
if (!gdth_internal_cmd(hanum,SCREENSERVICE,GDT_INIT,0,0,0)) {
printk("GDT: Initialization error screen service (code %d)\n",
ha->status);
return 0;
}
TRACE2(("gdth_search_drives(): SCREENSERVICE initialized\n"));
/* initialize cache service */
if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_INIT,LINUX_OS,0,0)) {
printk("GDT: Initialization error cache service (code %d)\n",
ha->status);
return 0;
}
TRACE2(("gdth_search_drives(): CACHESERVICE initialized\n"));
cdev_cnt = (ushort)ha->info;
if (firsttime) {
/* mount all cache devices */
if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_MOUNT,0xffff,1,0)) {
printk("GDT: Initialization error cache service (code %d)\n",
ha->status);
return 0;
}
TRACE2(("gdth_search_drives(): mountall CACHESERVICE OK\n"));
/* initialize cache service after mountall */
if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_INIT,LINUX_OS,0,0)) {
printk("GDT: Initialization error cache service (code %d)\n",
ha->status);
return 0;
}
TRACE2(("gdth_search_drives() CACHES. init. after mountall\n"));
cdev_cnt = (ushort)ha->info;
/* detect number of SCSI buses */
chn = (gdth_getch_str *)DMADATA(gdth_ctr_tab[hanum]);
for (bus_no=0; bus_no<MAXBUS; ++bus_no) {
chn->channel_no = bus_no;
if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,
SCSI_CHAN_CNT | L_CTRL_PATTERN,
IO_CHANNEL | INVALID_CHANNEL,
sizeof(gdth_getch_str))) {
if (bus_no == 0) {
printk("GDT: Error detecting SCSI channel count (0x%x)\n",
ha->status);
return 0;
}
break;
}
if (chn->siop_id < MAXID)
ha->id[bus_no][chn->siop_id].type = SIOP_DTYP;
}
ha->bus_cnt = (unchar)bus_no;
TRACE2(("gdth_search_drives() %d SCSI channels\n",ha->bus_cnt));
/* read cache configuration */
if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,CACHE_INFO,
INVALID_CHANNEL,sizeof(gdth_cinfo_str))) {
printk("GDT: Initialization error cache service (code %d)\n",
ha->status);
return 0;
}
ha->cpar = ((gdth_cinfo_str *)DMADATA(gdth_ctr_tab[hanum]))->cpar;
TRACE2(("gdth_search_drives() cinfo: vs %lx sta %d str %d dw %d b %d\n",
ha->cpar.version,ha->cpar.state,ha->cpar.strategy,
ha->cpar.write_back,ha->cpar.block_size));
}
/* initialize raw service */
if (!gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_INIT,0,0,0)) {
printk("GDT: Initialization error raw service (code %d)\n",
ha->status);
return 0;
}
TRACE2(("gdth_search_drives(): RAWSERVICE initialized\n"));
/* set/get features raw service (scatter/gather) */
ha->raw_feat = 0;
if (gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_SET_FEAT,SCATTER_GATHER,
0,0)) {
TRACE2(("gdth_search_drives(): set features RAWSERVICE OK\n"));
if (gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_GET_FEAT,0,0,0))
{
TRACE2(("gdth_search_dr(): get feat RAWSERVICE %ld\n",
ha->info));
ha->raw_feat = (ushort)ha->info;
}
}
/* set/get features cache service (equal to raw service) */
if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_SET_FEAT,0,
SCATTER_GATHER,0)) {
TRACE2(("gdth_search_drives(): set features CACHESERVICE OK\n"));
if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_GET_FEAT,0,0,0)) {
TRACE2(("gdth_search_dr(): get feat CACHESERV. %ld\n",
ha->info));
ha->cache_feat = (ushort)ha->info;
}
}
/* if it is not the first scan, we are ready */
if (!firsttime)
return 1;
/* scanning for raw devices */
for (b=0; b<ha->bus_cnt; ++b) {
for (t=0; t<MAXID; ++t) {
TRACE(("gdth_search_drives() rawd. bus %d id %d\n",b,t));
if (ha->id[b][t].type != SIOP_DTYP &&
gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_INFO,0,b,t)) {
ha->id[b][t].type = RAW_DTYP;
}
}
}
/* scanning for cache devices */
for (i=0; i<cdev_cnt && i<MAX_HDRIVES; ++i) {
TRACE(("gdth_search_drives() cachedev. %d\n",i));
if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_INFO,i,0,0)) {
/* dynamic relation between host drive number and Bus/ID */
/* search free position */
pos_found = FALSE;
for (b=0,t=0; b<ha->bus_cnt; ++b) {
for (t=0; t<MAXID; ++t) {
if (ha->id[b][t].type == EMPTY_DTYP) {
pos_found = TRUE;
break;
}
}
if (pos_found)
break;
}
TRACE(("gdth_search_dr() drive %d free pos at bus/id %d/%d\n",
i,b,t));
ha->id[b][t].type = CACHE_DTYP;
ha->id[b][t].devtype = 0;
ha->id[b][t].size = ha->info;
ha->id[b][t].hostdrive = i;
/* evaluate mapping (sectors per head, heads per cylinder) */
ha->id[b][t].size &= ~SECS32;
drv_cyls = ha->id[b][t].size /HEADS/SECS;
if (drv_cyls <= MAXCYLS) {
drv_hds = HEADS;
drv_secs= SECS;
} else { /* too high for 64*32 */
drv_cyls = ha->id[b][t].size /MEDHEADS/MEDSECS;
if (drv_cyls <= MAXCYLS) {
drv_hds = MEDHEADS;
drv_secs= MEDSECS;
} else { /* too high for 127*63 */
drv_cyls = ha->id[b][t].size /BIGHEADS/BIGSECS;
drv_hds = BIGHEADS;
drv_secs= BIGSECS;
}
}
ha->id[b][t].heads = (unchar)drv_hds;
ha->id[b][t].secs = (unchar)drv_secs;
/* round size */
ha->id[b][t].size = drv_cyls * drv_hds * drv_secs;
TRACE(("gdth_search_dr() cdr. %d size %ld hds %ld scs %ld\n",
i,ha->id[b][t].size,drv_hds,drv_secs));
/* get informations about device */
if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_DEVTYPE,i,
0,0)) {
TRACE(("gdth_search_dr() cache drive %d devtype %ld\n",
i,ha->info));
ha->id[b][t].devtype = (ushort)ha->info;
}
}
}
TRACE(("gdth_search_drives() OK\n"));
return 1;
}
/* command queueing/sending functions */
static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority)
{
register gdth_ha_str *ha;
register Scsi_Cmnd *pscp;
register Scsi_Cmnd *nscp;
ulong flags;
unchar b, t;
TRACE(("gdth_putq() priority %d\n",priority));
save_flags(flags);
cli();
ha = HADATA(gdth_ctr_tab[hanum]);
scp->SCp.this_residual = (int)priority;
gdth_update_timeout(scp, scp->timeout * 6);
#if LINUX_VERSION_CODE >= 0x010400
b = scp->channel;
#else
b = NUMDATA(nscp->host)->busnum;
#endif
t = scp->target;
#if LINUX_VERSION_CODE >= 0x010300
if (priority >= DEFAULT_PRI && ha->id[b][t].lock) {
TRACE2(("gdth_putq(): locked IO -> update_timeout()\n"));
scp->SCp.buffers_residual = gdth_update_timeout(scp, 0);
}
#endif
if (ha->req_first==NULL) {
ha->req_first = scp; /* queue was empty */
scp->SCp.ptr = NULL;
} else { /* queue not empty */
pscp = ha->req_first;
nscp = (Scsi_Cmnd *)pscp->SCp.ptr;
/* priority: 0-highest,..,0xff-lowest */
while (nscp && (unchar)nscp->SCp.this_residual <= priority) {
pscp = nscp;
nscp = (Scsi_Cmnd *)pscp->SCp.ptr;
}
pscp->SCp.ptr = (char *)scp;
scp->SCp.ptr = (char *)nscp;
}
restore_flags(flags);
#ifdef GDTH_STATISTICS
flags = 0;
for (nscp=ha->req_first; nscp; nscp=(Scsi_Cmnd*)nscp->SCp.ptr)
++flags;
if (max_rq < flags) {
max_rq = flags;
TRACE3(("GDT: max_rq = %d\n",(ushort)max_rq));
}
#endif
}
static void gdth_next(int hanum)
{
register gdth_ha_str *ha;
register Scsi_Cmnd *pscp;
register Scsi_Cmnd *nscp;
unchar b, t, next_cmd, firsttime;
ushort hdrive;
ulong flags;
int cmd_index;
TRACE(("gdth_next() hanum %d\n",hanum));
save_flags(flags);
cli();
ha = HADATA(gdth_ctr_tab[hanum]);
ha->cmd_cnt = ha->cmd_offs_dpmem = 0;
next_cmd = firsttime = TRUE;
cmd_index = 0;
for (nscp = pscp = ha->req_first; nscp; nscp = (Scsi_Cmnd *)nscp->SCp.ptr) {
if (nscp != pscp && nscp != (Scsi_Cmnd *)pscp->SCp.ptr)
pscp = (Scsi_Cmnd *)pscp->SCp.ptr;
#if LINUX_VERSION_CODE >= 0x010400
b = nscp->channel;
#else
b = NUMDATA(nscp->host)->busnum;
#endif
t = nscp->target;
if (nscp->SCp.this_residual < DEFAULT_PRI || !ha->id[b][t].lock) {
if (firsttime) {
if (gdth_test_busy(hanum)) { /* controller busy ? */
TRACE(("gdth_next() controller %d busy !\n",hanum));
if (!gdth_polling) {
restore_flags(flags);
return;
}
while (gdth_test_busy(hanum))
udelay(1000);
}
firsttime = FALSE;
}
#if LINUX_VERSION_CODE >= 0x010300
if (nscp->done == gdth_scsi_done) {
if (!(cmd_index=gdth_special_cmd(hanum,nscp,b)))
next_cmd = FALSE;
} else
#endif
if (ha->id[b][t].type != CACHE_DTYP) {
if (!(cmd_index=gdth_fill_raw_cmd(hanum,nscp,b)))
next_cmd = FALSE;
} else {
hdrive = ha->id[b][t].hostdrive;
switch (nscp->cmnd[0]) {
case TEST_UNIT_READY:
case INQUIRY:
case REQUEST_SENSE:
case READ_CAPACITY:
case VERIFY:
case START_STOP:
case MODE_SENSE:
TRACE2(("cache cmd %x/%x/%x/%x/%x/%x\n",nscp->cmnd[0],
nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3],
nscp->cmnd[4],nscp->cmnd[5]));
gdth_internal_cache_cmd(hanum,nscp,b,&flags);
break;
case ALLOW_MEDIUM_REMOVAL:
TRACE2(("cache cmd %x/%x/%x/%x/%x/%x\n",nscp->cmnd[0],
nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3],
nscp->cmnd[4],nscp->cmnd[5]));
if ( (nscp->cmnd[4]&1) && !(ha->id[b][t].devtype&1) ) {
TRACE2(("Prevent r. nonremov. drive->do nothing\n"));
nscp->result = DID_OK << 16;
restore_flags( flags );
nscp->scsi_done(nscp);
save_flags( flags );
cli();
} else {
nscp->cmnd[3] = (ha->id[b][t].devtype&1) ? 1:0;
TRACE2(("Prevent/allow r. %d rem. drive %d\n",
nscp->cmnd[4],nscp->cmnd[3]));
if (!(cmd_index=gdth_fill_cache_cmd(hanum,nscp,hdrive)))
next_cmd = FALSE;
}
break;
case READ_6:
case WRITE_6:
case READ_10:
case WRITE_10:
if (!(cmd_index=gdth_fill_cache_cmd(hanum,nscp,hdrive)))
next_cmd = FALSE;
break;
default:
TRACE2(("cache cmd %x/%x/%x/%x/%x/%x\n",nscp->cmnd[0],
nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3],
nscp->cmnd[4],nscp->cmnd[5]));
printk("GDT: Unknown SCSI command 0x%x to cache service !\n",
nscp->cmnd[0]);
nscp->result = DID_ABORT << 16;
restore_flags( flags );
nscp->scsi_done( nscp );
save_flags( flags );
cli();
break;
}
}
if (!next_cmd)
break;
if (nscp == ha->req_first)
ha->req_first = pscp = (Scsi_Cmnd *)nscp->SCp.ptr;
else
pscp->SCp.ptr = nscp->SCp.ptr;
if (gdth_polling)
break;
}
}
if (ha->cmd_cnt > 0) {
gdth_release_event(hanum);
}
restore_flags(flags);
if (gdth_polling && ha->cmd_cnt > 0) {
if (!gdth_wait(hanum,cmd_index,POLL_TIMEOUT))
printk("GDT: Controller %d: Command %d timed out !\n",
hanum,cmd_index);
}
}
static void gdth_copy_internal_data(Scsi_Cmnd *scp,char *buffer,ushort count)
{
ushort cpcount,i;
ushort cpsum,cpnow;
struct scatterlist *sl;
cpcount = count<=(ushort)scp->bufflen ? count:(ushort)scp->bufflen;
if (scp->use_sg) {
sl = (struct scatterlist *)scp->request_buffer;
for (i=0,cpsum=0; i<scp->use_sg; ++i,++sl) {
cpnow = (ushort)sl->length;
TRACE(("copy_internal() now %d sum %d count %d %d\n",
cpnow,cpsum,cpcount,(ushort)scp->bufflen));
if (cpsum+cpnow > cpcount)
cpnow = cpcount - cpsum;
cpsum += cpnow;
memcpy((char*)sl->address,buffer,cpnow);
if (cpsum == cpcount)
break;
buffer += cpnow;
}
} else {
TRACE(("copy_internal() count %d\n",cpcount));
memcpy((char*)scp->request_buffer,buffer,cpcount);
}
}
static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp,
unchar b,ulong *flags)
{
register gdth_ha_str *ha;
ushort hdrive;
unchar t;
gdth_inq_data inq;
gdth_rdcap_data rdc;
gdth_sense_data sd;
gdth_modep_data mpd;
ha = HADATA(gdth_ctr_tab[hanum]);
t = scp->target;
hdrive = ha->id[b][t].hostdrive;
TRACE(("gdth_internal_cache_cmd() cmd 0x%x hdrive %d\n",
scp->cmnd[0],hdrive));
if (scp->lun !=0)
scp->result = DID_BAD_TARGET << 16;
else {
switch (scp->cmnd[0]) {
case TEST_UNIT_READY:
case VERIFY:
case START_STOP:
TRACE2(("Test/Verify/Start hdrive %d\n",hdrive));
break;
case INQUIRY:
TRACE2(("Inquiry hdrive %d devtype %d\n",
hdrive,ha->id[b][t].devtype));
inq.type_qual = (ha->id[b][t].devtype&4) ? TYPE_ROM:TYPE_DISK;
/* you can here set all disks to removable, if you want to do
a flush using the ALLOW_MEDIUM_REMOVAL command */
inq.modif_rmb = ha->id[b][t].devtype&1 ? 0x80:0x00;
inq.version = 2;
inq.resp_aenc = 2;
inq.add_length= 32;
strcpy(inq.vendor,"ICP ");
sprintf(inq.product,"Host Drive #%02d",hdrive);
strcpy(inq.revision," ");
gdth_copy_internal_data(scp,(char*)&inq,sizeof(gdth_inq_data));
break;
case REQUEST_SENSE:
TRACE2(("Request sense hdrive %d\n",hdrive));
sd.errorcode = 0x70;
sd.segno = 0x00;
sd.key = NO_SENSE;
sd.info = 0;
sd.add_length= 0;
gdth_copy_internal_data(scp,(char*)&sd,sizeof(gdth_sense_data));
break;
case MODE_SENSE:
TRACE2(("Mode sense hdrive %d\n",hdrive));
memset((char*)&mpd,0,sizeof(gdth_modep_data));
mpd.hd.data_length = sizeof(gdth_modep_data);
mpd.hd.dev_par = (ha->id[b][t].devtype&2) ? 0x80:0;
mpd.hd.bd_length = sizeof(mpd.bd);
mpd.bd.block_length[0] = (SECTOR_SIZE & 0x00ff0000) >> 16;
mpd.bd.block_length[1] = (SECTOR_SIZE & 0x0000ff00) >> 8;
mpd.bd.block_length[2] = (SECTOR_SIZE & 0x000000ff);
gdth_copy_internal_data(scp,(char*)&mpd,sizeof(gdth_modep_data));
break;
case READ_CAPACITY:
TRACE2(("Read capacity hdrive %d\n",hdrive));
rdc.last_block_no = ntohl(ha->id[b][t].size-1);
rdc.block_length = ntohl(SECTOR_SIZE);
gdth_copy_internal_data(scp,(char*)&rdc,sizeof(gdth_rdcap_data));
break;
default:
TRACE2(("Internal cache cmd 0x%x unknown\n",scp->cmnd[0]));
break;
}
scp->result = DID_OK << 16;
}
restore_flags(*flags);
scp->scsi_done(scp);
save_flags(*flags);
cli();
return 1;
}
static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive)
{
register gdth_ha_str *ha;
register gdth_cmd_str *cmdp;
struct scatterlist *sl;
ushort i;
int cmd_index;
ha = HADATA(gdth_ctr_tab[hanum]);
cmdp = ha->pccb;
TRACE(("gdth_fill_cache_cmd() cmd 0x%x cmdsize %d hdrive %d\n",
scp->cmnd[0],scp->cmd_len,hdrive));
if (ha->type==GDT_EISA && ha->cmd_cnt>0)
return 0;
cmdp->Service = CACHESERVICE;
cmdp->RequestBuffer = scp;
/* search free command index */
if (!(cmd_index=gdth_get_cmd_index(hanum))) {
TRACE(("GDT: No free command index found\n"));
return 0;
}
/* if it's the first command, set command semaphore */
if (ha->cmd_cnt == 0)
gdth_set_sema0(hanum);
/* fill command */
if (scp->cmnd[0]==ALLOW_MEDIUM_REMOVAL) {
if (scp->cmnd[4] & 1) /* prevent ? */
cmdp->OpCode = GDT_MOUNT;
else if (scp->cmnd[3] & 1) /* removable drive ? */
cmdp->OpCode = GDT_UNMOUNT;
else
cmdp->OpCode = GDT_FLUSH;
} else {
if (scp->cmnd[0]==WRITE_6 || scp->cmnd[0]==WRITE_10) {
if (gdth_write_through)
cmdp->OpCode = GDT_WRITE_THR;
else
cmdp->OpCode = GDT_WRITE;
} else {
cmdp->OpCode = GDT_READ;
}
}
cmdp->BoardNode = LOCALBOARD;
cmdp->u.cache.DeviceNo = hdrive;
if (scp->cmnd[0]==ALLOW_MEDIUM_REMOVAL) {
cmdp->u.cache.BlockNo = 1;
cmdp->u.cache.sg_canz = 0;
} else {
if (scp->cmd_len != 6) {
cmdp->u.cache.BlockNo = ntohl(*(ulong*)&scp->cmnd[2]);
cmdp->u.cache.BlockCnt= (ulong)ntohs(*(ushort*)&scp->cmnd[7]);
} else {
cmdp->u.cache.BlockNo = ntohl(*(ulong*)&scp->cmnd[0]) & 0x001fffffUL;
cmdp->u.cache.BlockCnt= scp->cmnd[4]==0 ? 0x100 : scp->cmnd[4];
}
if (scp->use_sg) {
cmdp->u.cache.DestAddr= -1UL;
sl = (struct scatterlist *)scp->request_buffer;
for (i=0; i<scp->use_sg; ++i,++sl) {
cmdp->u.cache.sg_lst[i].sg_ptr = (ulong)sl->address;
cmdp->u.cache.sg_lst[i].sg_len = (ulong)sl->length;
}
cmdp->u.cache.sg_canz = (ulong)i;
#ifdef GDTH_STATISTICS
if (max_sg < (ulong)i) {
max_sg = (ulong)i;
TRACE3(("GDT: max_sg = %d\n",i));
}
#endif
if (i<GDTH_MAXSG)
cmdp->u.cache.sg_lst[i].sg_len = 0;
} else {
if (ha->cache_feat & SCATTER_GATHER) {
cmdp->u.cache.DestAddr = -1UL;
cmdp->u.cache.sg_canz = 1;
cmdp->u.cache.sg_lst[0].sg_ptr = (ulong)scp->request_buffer;
cmdp->u.cache.sg_lst[0].sg_len = scp->request_bufflen;
cmdp->u.cache.sg_lst[1].sg_len = 0;
} else {
cmdp->u.cache.DestAddr = (ulong)scp->request_buffer;
cmdp->u.cache.sg_canz= 0;
}
}
}
TRACE(("cache cmd: addr. %lx sganz %lx sgptr0 %lx sglen0 %lx\n",
cmdp->u.cache.DestAddr,cmdp->u.cache.sg_canz,
cmdp->u.cache.sg_lst[0].sg_ptr,
cmdp->u.cache.sg_lst[0].sg_len));
TRACE(("cache cmd: cmd %d blockno. %ld, blockcnt %ld\n",
cmdp->OpCode,cmdp->u.cache.BlockNo,cmdp->u.cache.BlockCnt));
/* evaluate command size, check space */
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache.sg_lst) +
(ushort)cmdp->u.cache.sg_canz * sizeof(gdth_sg_str);
if (ha->cmd_len & 3)
ha->cmd_len += (4 - (ha->cmd_len & 3));
if (ha->cmd_cnt > 0) {
if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) >
ha->ic_all_size) {
TRACE2(("gdth_fill_cache() DPMEM overflow\n"));
gdth_cmd_tab[cmd_index-2][hanum].cmnd = UNUSED_CMND;
return 0;
}
}
/* copy command */
gdth_copy_command(hanum);
return cmd_index;
}
static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b)
{
register gdth_ha_str *ha;
register gdth_cmd_str *cmdp;
struct scatterlist *sl;
ushort i;
int cmd_index;
unchar t,l;
ha = HADATA(gdth_ctr_tab[hanum]);
t = scp->target;
l = scp->lun;
cmdp = ha->pccb;
TRACE(("gdth_fill_raw_cmd() cmd 0x%x bus %d ID %d LUN %d\n",
scp->cmnd[0],b,t,l));
if (ha->type==GDT_EISA && ha->cmd_cnt>0)
return 0;
cmdp->Service = SCSIRAWSERVICE;
cmdp->RequestBuffer = scp;
/* search free command index */
if (!(cmd_index=gdth_get_cmd_index(hanum))) {
TRACE(("GDT: No free command index found\n"));
return 0;
}
/* if it's the first command, set command semaphore */
if (ha->cmd_cnt == 0)
gdth_set_sema0(hanum);
/* fill command */
cmdp->OpCode = GDT_WRITE; /* always */
cmdp->BoardNode = LOCALBOARD;
cmdp->u.raw.reserved = 0;
cmdp->u.raw.mdisc_time = 0;
cmdp->u.raw.mcon_time = 0;
cmdp->u.raw.clen = scp->cmd_len;
cmdp->u.raw.target = t;
cmdp->u.raw.lun = l;
cmdp->u.raw.bus = b;
cmdp->u.raw.priority = 0;
cmdp->u.raw.link_p = NULL;
cmdp->u.raw.sdlen = scp->request_bufflen;
cmdp->u.raw.sense_len = 16;
cmdp->u.raw.sense_data = (ulong)scp->sense_buffer;
cmdp->u.raw.direction =
gdth_direction_tab[scp->cmnd[0]]==DOU ? DATA_OUT : DATA_IN;
memcpy(cmdp->u.raw.cmd,scp->cmnd,12);
if (scp->use_sg) {
cmdp->u.raw.sdata = -1UL;
sl = (struct scatterlist *)scp->request_buffer;
for (i=0; i<scp->use_sg; ++i,++sl) {
cmdp->u.raw.sg_lst[i].sg_ptr = (ulong)sl->address;
cmdp->u.raw.sg_lst[i].sg_len = (ulong)sl->length;
}
cmdp->u.raw.sg_ranz = (ulong)i;
#ifdef GDTH_STATISTICS
if (max_sg < (ulong)i) {
max_sg = (ulong)i;
TRACE3(("GDT: max_sg = %d\n",i));
}
#endif
if (i<GDTH_MAXSG)
cmdp->u.raw.sg_lst[i].sg_len = 0;
} else {
if (ha->raw_feat & SCATTER_GATHER) {
cmdp->u.raw.sdata = -1UL;
cmdp->u.raw.sg_ranz= 1;
cmdp->u.raw.sg_lst[0].sg_ptr = (ulong)scp->request_buffer;
cmdp->u.raw.sg_lst[0].sg_len = scp->request_bufflen;
cmdp->u.raw.sg_lst[1].sg_len = 0;
} else {
cmdp->u.raw.sdata = (ulong)scp->request_buffer;
cmdp->u.raw.sg_ranz= 0;
}
}
TRACE(("raw cmd: addr. %lx sganz %lx sgptr0 %lx sglen0 %lx\n",
cmdp->u.raw.sdata,cmdp->u.raw.sg_ranz,
cmdp->u.raw.sg_lst[0].sg_ptr,
cmdp->u.raw.sg_lst[0].sg_len));
/* evaluate command size, check space */
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst) +
(ushort)cmdp->u.raw.sg_ranz * sizeof(gdth_sg_str);
if (ha->cmd_len & 3)
ha->cmd_len += (4 - (ha->cmd_len & 3));
if (ha->cmd_cnt > 0) {
if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) >
ha->ic_all_size) {
TRACE2(("gdth_fill_raw() DPMEM overflow\n"));
gdth_cmd_tab[cmd_index-2][hanum].cmnd = UNUSED_CMND;
return 0;
}
}
/* copy command */
gdth_copy_command(hanum);
return cmd_index;
}
static int gdth_special_cmd(int hanum,Scsi_Cmnd *scp,unchar b)
{
register gdth_ha_str *ha;
register gdth_cmd_str *cmdp;
int cmd_index;
ha = HADATA(gdth_ctr_tab[hanum]);
cmdp= ha->pccb;
TRACE2(("gdth_special_cmd(): "));
if (ha->type==GDT_EISA && ha->cmd_cnt>0)
return 0;
memcpy( cmdp, scp->request_buffer, sizeof(gdth_cmd_str));
cmdp->RequestBuffer = scp;
/* search free command index */
if (!(cmd_index=gdth_get_cmd_index(hanum))) {
TRACE(("GDT: No free command index found\n"));
return 0;
}
/* if it's the first command, set command semaphore */
if (ha->cmd_cnt == 0)
gdth_set_sema0(hanum);
/* evaluate command size, check space */
if (cmdp->OpCode == GDT_IOCTL) {
TRACE2(("IOCTL\n"));
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.ioctl.p_param) + sizeof(ulong);
} else if (cmdp->Service == CACHESERVICE) {
TRACE2(("cache command %d\n",cmdp->OpCode));
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache.sg_lst) + sizeof(gdth_sg_str);
} else if (cmdp->Service == SCSIRAWSERVICE) {
TRACE2(("raw command %d/%d\n",cmdp->OpCode,cmdp->u.raw.cmd[0]));
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst) + sizeof(gdth_sg_str);
}
if (ha->cmd_len & 3)
ha->cmd_len += (4 - (ha->cmd_len & 3));
if (ha->cmd_cnt > 0) {
if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) >
ha->ic_all_size) {
TRACE2(("gdth_special_cmd() DPMEM overflow\n"));
gdth_cmd_tab[cmd_index-2][hanum].cmnd = UNUSED_CMND;
return 0;
}
}
/* copy command */
gdth_copy_command(hanum);
return cmd_index;
}
/* Controller event handling functions */
static gdth_evt_str *gdth_store_event(ushort source, ushort idx,
gdth_evt_data *evt)
{
gdth_evt_str *e;
ulong flags;
struct timeval tv;
TRACE2(("gdth_store_event() source %d idx %d\n", source, idx));
if (source == 0) /* no source -> no event */
return 0;
save_flags(flags);
cli();
if (ebuffer[elastidx].event_source == source &&
ebuffer[elastidx].event_idx == idx &&
!memcmp((char *)&ebuffer[elastidx].event_data.eu,
(char *)&evt->eu, evt->size)) {
e = &ebuffer[elastidx];
do_gettimeofday(&tv);
e->last_stamp = tv.tv_sec;
++e->same_count;
} else {
if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
++elastidx;
if (elastidx == MAX_EVENTS)
elastidx = 0;
if (elastidx == eoldidx) { /* reached mark ? */
++eoldidx;
if (eoldidx == MAX_EVENTS)
eoldidx = 0;
}
}
e = &ebuffer[elastidx];
e->event_source = source;
e->event_idx = idx;
do_gettimeofday(&tv);
e->first_stamp = e->last_stamp = tv.tv_sec;
e->same_count = 1;
e->event_data = *evt;
}
restore_flags(flags);
return e;
}
static int gdth_read_event(int handle, gdth_evt_str *estr)
{
gdth_evt_str *e;
int eindex;
ulong flags;
TRACE2(("gdth_read_event() handle %d\n", handle));
save_flags(flags);
cli();
if (handle == -1)
eindex = eoldidx;
else
eindex = handle;
estr->event_source = 0;
if (eindex >= MAX_EVENTS) {
restore_flags(flags);
return eindex;
}
e = &ebuffer[eindex];
if (e->event_source != 0) {
if (eindex != elastidx) {
if (++eindex == MAX_EVENTS)
eindex = 0;
} else {
eindex = -1;
}
memcpy(estr, e, sizeof(gdth_evt_str));
}
restore_flags(flags);
return eindex;
}
static void gdth_readapp_event(unchar application, gdth_evt_str *estr)
{
gdth_evt_str *e;
int eindex;
ulong flags;
unchar found = FALSE;
TRACE2(("gdth_readapp_event() app. %d\n", application));
save_flags(flags);
cli();
eindex = eoldidx;
for (;;) {
e = &ebuffer[eindex];
if (e->event_source == 0)
break;
if ((e->application & application) == 0) {
e->application |= application;
found = TRUE;
break;
}
if (eindex == elastidx)
break;
if (++eindex == MAX_EVENTS)
eindex = 0;
}
if (found)
memcpy(estr, e, sizeof(gdth_evt_str));
else
estr->event_source = 0;
restore_flags(flags);
}
static void gdth_clear_events()
{
ulong flags;
TRACE(("gdth_clear_events()"));
save_flags(flags);
cli();
eoldidx = elastidx = 0;
ebuffer[0].event_source = 0;
restore_flags(flags);
}
/* SCSI interface functions */
#if LINUX_VERSION_CODE >= 0x010346
static void gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs)
#else
static void gdth_interrupt(int irq,struct pt_regs *regs)
#endif
{
register gdth_ha_str *ha;
gdt6m_dpram_str *dp6m_ptr;
gdt6_dpram_str *dp6_ptr;
gdt2_dpram_str *dp2_ptr;
Scsi_Cmnd *scp;
int hanum;
unchar IStatus;
ushort CmdStatus, Service = 0;
ulong InfoBytes, InfoBytes2 = 0;
gdth_evt_data dvr;
TRACE(("gdth_interrupt() IRQ %d\n",irq));
/* if polling and not from gdth_wait() -> return */
if (gdth_polling) {
if (!gdth_from_wait) {
return;
}
}
wait_index = 0;
/* search controller */
if ((hanum = gdth_get_status(&IStatus,irq)) == -1) {
/*
TRACE2(("gdth_interrupt(): Spurious interrupt received\n"));
*/
return;
}
#ifdef GDTH_STATISTICS
++act_ints;
#endif
ha = HADATA(gdth_ctr_tab[hanum]);
if (ha->type == GDT_EISA) {
if (IStatus & 0x80) { /* error flag */
IStatus &= ~0x80;
CmdStatus = inw((ushort)ha->brd+MAILBOXREG+8);
TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus));
if (IStatus == ASYNCINDEX) { /* async. event ? */
Service = inw((ushort)ha->brd+MAILBOXREG+10);
InfoBytes2 = inl((ushort)ha->brd+MAILBOXREG+4);
}
} else /* no error */
CmdStatus = S_OK;
InfoBytes = inl((ushort)ha->brd+MAILBOXREG+12);
outb(0xff,(ushort)ha->brd+EDOORREG); /* acknowledge interrupt */
outb(0x00,(ushort)ha->brd+SEMA1REG); /* reset status semaphore */
} else if (ha->type == GDT_ISA) {
dp2_ptr = (gdt2_dpram_str *)ha->brd;
if (IStatus & 0x80) { /* error flag */
IStatus &= ~0x80;
CmdStatus = dp2_ptr->u.ic.Status;
TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus));
if (IStatus == ASYNCINDEX) { /* async. event ? */
Service = dp2_ptr->u.ic.Service;
InfoBytes2 = dp2_ptr->u.ic.Info[1];
}
} else /* no error */
CmdStatus = S_OK;
InfoBytes = dp2_ptr->u.ic.Info[0];
dp2_ptr->io.irqdel = 0xff; /* acknowledge interrupt */
dp2_ptr->u.ic.Cmd_Index = 0; /* reset command index */
dp2_ptr->io.Sema1 = 0; /* reset status semaphore */
} else if (ha->type == GDT_PCI) {
dp6_ptr = (gdt6_dpram_str *)ha->brd;
if (IStatus & 0x80) { /* error flag */
IStatus &= ~0x80;
CmdStatus = dp6_ptr->u.ic.Status;
TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus));
if (IStatus == ASYNCINDEX) { /* async. event ? */
Service = dp6_ptr->u.ic.Service;
InfoBytes2 = dp6_ptr->u.ic.Info[1];
}
} else /* no error */
CmdStatus = S_OK;
InfoBytes = dp6_ptr->u.ic.Info[0];
dp6_ptr->io.irqdel = 0xff; /* acknowledge interrupt */
dp6_ptr->u.ic.Cmd_Index = 0; /* reset command index */
dp6_ptr->io.Sema1 = 0; /* reset status semaphore */
} else if (ha->type == GDT_PCINEW) {
if (IStatus & 0x80) { /* error flag */
IStatus &= ~0x80;
CmdStatus = inw(PTR2USHORT(&ha->plx->status));
TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus));
if (IStatus == ASYNCINDEX) { /* async. event ? */
Service = inw(PTR2USHORT(&ha->plx->service));
InfoBytes2 = inl(PTR2USHORT(&ha->plx->info[1]));
}
} else
CmdStatus = S_OK;
InfoBytes = inl(PTR2USHORT(&ha->plx->info[0]));
outb(0xff,PTR2USHORT(&ha->plx->edoor_reg));
outb(0x00,PTR2USHORT(&ha->plx->sema1_reg));
} else if (ha->type == GDT_PCIMPR) {
dp6m_ptr = (gdt6m_dpram_str *)ha->brd;
if (IStatus & 0x80) { /* error flag */
IStatus &= ~0x80;
CmdStatus = dp6m_ptr->i960r.status;
TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus));
if (IStatus == ASYNCINDEX) { /* async. event ? */
Service = dp6m_ptr->i960r.service;
InfoBytes2 = dp6m_ptr->i960r.info[1];
}
} else /* no error */
CmdStatus = S_OK;
InfoBytes = dp6m_ptr->i960r.info[0];
dp6m_ptr->i960r.edoor_reg = 0xff;
dp6m_ptr->i960r.sema1_reg = 0;
} else {
TRACE2(("gdth_interrupt() unknown controller type\n"));
return;
}
TRACE(("gdth_interrupt() index %d stat %d info %ld\n",
IStatus,CmdStatus,InfoBytes));
ha->status = CmdStatus;
ha->info = InfoBytes;
ha->info2 = InfoBytes2;
if (gdth_from_wait) {
wait_hanum = hanum;
wait_index = (int)IStatus;
}
if (IStatus == ASYNCINDEX) {
TRACE2(("gdth_interrupt() async. event\n"));
gdth_async_event(hanum,Service);
} else {
if (IStatus == SPEZINDEX) {
TRACE2(("Service unknown or not initialized !\n"));
dvr.size = sizeof(dvr.eu.driver);
dvr.eu.driver.ionode = hanum;
gdth_store_event(ES_DRIVER, 4, &dvr);
return;
}
scp = gdth_cmd_tab[IStatus-2][hanum].cmnd;
Service = gdth_cmd_tab[IStatus-2][hanum].service;
gdth_cmd_tab[IStatus-2][hanum].cmnd = UNUSED_CMND;
if (scp == UNUSED_CMND) {
TRACE2(("gdth_interrupt() index to unused command (%d)\n",IStatus));
dvr.size = sizeof(dvr.eu.driver);
dvr.eu.driver.ionode = hanum;
dvr.eu.driver.index = IStatus;
gdth_store_event(ES_DRIVER, 1, &dvr);
return;
}
if (scp == INTERNAL_CMND) {
TRACE(("gdth_interrupt() answer to internal command\n"));
return;
}
TRACE(("gdth_interrupt() sync. status\n"));
gdth_sync_event(hanum,Service,IStatus,scp);
}
gdth_next(hanum);
}
static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp)
{
register gdth_ha_str *ha;
gdth_msg_str *msg;
gdth_cmd_str *cmdp;
char c='\r';
ushort i;
gdth_evt_data dvr;
ha = HADATA(gdth_ctr_tab[hanum]);
cmdp = ha->pccb;
TRACE(("gdth_sync_event() scp %lx serv %d status %d\n",
(ulong)scp,service,ha->status));
if (service == SCREENSERVICE) {
msg = (gdth_msg_str *)ha->pscratch;
TRACE(("len: %ld, answer: %d, ext: %d, alen: %ld\n",
msg->msg_len,msg->msg_answer,msg->msg_ext,msg->msg_alen));
if (msg->msg_len)
if (!(msg->msg_answer && msg->msg_ext)) {
msg->msg_text[msg->msg_len] = '\0';
printk("%s",msg->msg_text);
}
if (msg->msg_ext && !msg->msg_answer) {
while (gdth_test_busy(hanum))
udelay(1);
cmdp->Service = SCREENSERVICE;
cmdp->RequestBuffer = SCREEN_CMND;
gdth_get_cmd_index(hanum);
gdth_set_sema0(hanum);
cmdp->OpCode = GDT_READ;
cmdp->BoardNode = LOCALBOARD;
cmdp->u.screen.reserved = 0;
cmdp->u.screen.msg_handle= msg->msg_handle;
cmdp->u.screen.msg_addr = (ulong)msg;
ha->cmd_offs_dpmem = 0;
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.msg_addr)
+ sizeof(ulong);
ha->cmd_cnt = 0;
gdth_copy_command(hanum);
gdth_release_event(hanum);
return 1;
}
if (msg->msg_answer && msg->msg_alen) {
for (i=0; i<msg->msg_alen && i<MSGLEN; ++i) {
/* getchar() ?? */
/* .. */
if (c == '\r')
break;
msg->msg_text[i] = c;
}
msg->msg_alen -= i;
if (c!='\r' && msg->msg_alen!=0) {
msg->msg_answer = 1;
msg->msg_ext = 1;
} else {
msg->msg_ext = 0;
msg->msg_answer = 0;
}
msg->msg_len = i;
while (gdth_test_busy(hanum))
udelay(1);
cmdp->Service = SCREENSERVICE;
cmdp->RequestBuffer = SCREEN_CMND;
gdth_get_cmd_index(hanum);
gdth_set_sema0(hanum);
cmdp->OpCode = GDT_WRITE;
cmdp->BoardNode = LOCALBOARD;
cmdp->u.screen.reserved = 0;
cmdp->u.screen.msg_handle= msg->msg_handle;
cmdp->u.screen.msg_addr = (ulong)msg;
ha->cmd_offs_dpmem = 0;
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.msg_addr)
+ sizeof(ulong);
ha->cmd_cnt = 0;
gdth_copy_command(hanum);
gdth_release_event(hanum);
return 1;
}
printk("\n");
} else {
scp->SCp.Message = (int)ha->status;
/* cache or raw service */
if (ha->status == S_OK) {
scp->result = DID_OK << 16;
} else if (ha->status == S_BSY) {
TRACE2(("Controller busy -> retry !\n"));
gdth_putq(hanum,scp,DEFAULT_PRI);
return 1;
} else {
if (service == CACHESERVICE) {
memset((char*)scp->sense_buffer,0,16);
scp->sense_buffer[0] = 0x70;
scp->sense_buffer[2] = NOT_READY;
scp->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
if (scp->done != gdth_scsi_done) {
dvr.size = sizeof(dvr.eu.sync);
dvr.eu.sync.ionode = hanum;
dvr.eu.sync.service = service;
dvr.eu.sync.status = ha->status;
dvr.eu.sync.info = ha->info;
dvr.eu.sync.hostdrive =
#if LINUX_VERSION_CODE >= 0x010400
ha->id[scp->channel][scp->target].hostdrive;
#else
ha->id[NUMDATA(scp->host)->busnum][scp->target].hostdrive;
#endif
if (ha->status >= 0x8000)
gdth_store_event(ES_SYNC, 0, &dvr);
else
gdth_store_event(ES_SYNC, service, &dvr);
}
} else {
if (ha->status!=S_RAW_SCSI || ha->status==S_RAW_ILL) {
scp->result = DID_BAD_TARGET << 16;
} else {
scp->result = (DID_OK << 16) | ha->info;
}
}
}
scp->SCp.have_data_in++;
scp->scsi_done(scp);
}
return 1;
}
static char *async_cache_tab[] = {
/* 0*/ "\011\000\002\002\002\004\002\006\004"
"GDT HA %u, service %u, async. status %u/%lu unknown",
/* 1*/ "\011\000\002\002\002\004\002\006\004"
"GDT HA %u, service %u, async. status %u/%lu unknown",
/* 2*/ "\005\000\002\006\004"
"GDT HA %u, Host Drive %lu not ready",
/* 3*/ "\005\000\002\006\004"
"GDT HA %u, Host Drive %lu: REASSIGN not successful and/or data error on reassigned blocks. Drive may crash in the future and should be replaced",
/* 4*/ "\005\000\002\006\004"
"GDT HA %u, mirror update on Host Drive %lu failed",
/* 5*/ "\005\000\002\006\004"
"GDT HA %u, Mirror Drive %lu failed",
/* 6*/ "\005\000\002\006\004"
"GDT HA %u, Mirror Drive %lu: REASSIGN not successful and/or data error on reassigned blocks. Drive may crash in the future and should be replaced",
/* 7*/ "\005\000\002\006\004"
"GDT HA %u, Host Drive %lu write protected",
/* 8*/ "\005\000\002\006\004"
"GDT HA %u, media changed in Host Drive %lu",
/* 9*/ "\005\000\002\006\004"
"GDT HA %u, Host Drive %lu is offline",
/*10*/ "\005\000\002\006\004"
"GDT HA %u, media change of Mirror Drive %lu",
/*11*/ "\005\000\002\006\004"
"GDT HA %u, Mirror Drive %lu is write protected",
/*12*/ "\005\000\002\006\004"
"GDT HA %u, general error on Host Drive %lu. Please check the devices of this drive!",
/*13*/ "\007\000\002\006\002\010\002"
"GDT HA %u, Array Drive %u: Cache Drive %u failed",
/*14*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: FAIL state entered",
/*15*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: error",
/*16*/ "\007\000\002\006\002\010\002"
"GDT HA %u, Array Drive %u: failed drive replaced by Cache Drive %u",
/*17*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: parity build failed",
/*18*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: drive rebuild failed",
/*19*/ "\007\000\002\010\002"
"GDT HA %u, Test of Hot Fix %u failed",
/*20*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: drive build finished successfully",
/*21*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: drive rebuild finished successfully",
/*22*/ "\007\000\002\006\002\010\002"
"GDT HA %u, Array Drive %u: Hot Fix %u activated",
/*23*/ "\005\000\002\006\002"
"GDT HA %u, Host Drive %u: processing of i/o aborted due to serious drive error",
/*24*/ "\005\000\002\010\002"
"GDT HA %u, mirror update on Cache Drive %u completed",
/*25*/ "\005\000\002\010\002"
"GDT HA %u, mirror update on Cache Drive %lu failed",
/*26*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: drive rebuild started",
/*27*/ "\005\000\002\012\001"
"GDT HA %u, Fault bus %u: SHELF OK detected",
/*28*/ "\005\000\002\012\001"
"GDT HA %u, Fault bus %u: SHELF not OK detected",
/*29*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug started",
/*30*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: new disk detected",
/*31*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: old disk detected",
/*32*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: plugging an active disk is illegal",
/*33*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: illegal device detected",
/*34*/ "\011\000\002\012\001\013\001\006\004"
"GDT HA %u, Fault bus %u, ID %u: insufficient disk capacity (%lu MB required)",
/*35*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: disk write protected",
/*36*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: disk not available",
/*37*/ "\007\000\002\012\001\006\004"
"GDT HA %u, Fault bus %u: swap detected (%lu)",
/*38*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug finished successfully",
/*39*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug aborted due to user Hot Plug",
/*40*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug aborted",
/*41*/ "\007\000\002\012\001\013\001"
"GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug for Hot Fix started",
/*42*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: drive build started",
/*43*/ "\003\000\002"
"GDT HA %u, DRAM parity error detected",
/*44*/ "\005\000\002\006\002"
"GDT HA %u, Mirror Drive %u: update started",
/*45*/ "\007\000\002\006\002\010\002"
"GDT HA %u, Mirror Drive %u: Hot Fix %u activated",
/*46*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: no matching Pool Hot Fix Drive available",
/*47*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: Pool Hot Fix Drive available",
/*48*/ "\005\000\002\006\002"
"GDT HA %u, Mirror Drive %u: no matching Pool Hot Fix Drive available",
/*49*/ "\005\000\002\006\002"
"GDT HA %u, Mirror Drive %u: Pool Hot Fix Drive available",
/*50*/ "\007\000\002\012\001\013\001"
"GDT HA %u, SCSI bus %u, ID %u: IGNORE_WIDE_RESIDUE message received",
/*51*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: expand started",
/*52*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: expand finished successfully",
/*53*/ "\005\000\002\006\002"
"GDT HA %u, Array Drive %u: expand failed",
/*54*/ "\003\000\002"
"GDT HA %u, CPU temperature critical",
/*55*/ "\003\000\002"
"GDT HA %u, CPU temperature OK",
};
static int gdth_async_event(int hanum,int service)
{
gdth_stackframe stack;
gdth_evt_data dvr;
char *f = NULL;
int i,j;
gdth_ha_str *ha;
gdth_msg_str *msg;
gdth_cmd_str *cmdp;
int cmd_index;
ha = HADATA(gdth_ctr_tab[hanum]);
cmdp= ha->pccb;
msg = (gdth_msg_str *)ha->pscratch;
TRACE2(("gdth_async_event() ha %d serv %d\n",
hanum,service));
if (service == SCREENSERVICE) {
if (ha->status == MSG_REQUEST) {
while (gdth_test_busy(hanum))
udelay(1);
cmdp->Service = SCREENSERVICE;
cmdp->RequestBuffer = SCREEN_CMND;
cmd_index = gdth_get_cmd_index(hanum);
gdth_set_sema0(hanum);
cmdp->OpCode = GDT_READ;
cmdp->BoardNode = LOCALBOARD;
cmdp->u.screen.reserved = 0;
cmdp->u.screen.msg_handle= MSG_INV_HANDLE;
cmdp->u.screen.msg_addr = (ulong)msg;
ha->cmd_offs_dpmem = 0;
ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.msg_addr)
+ sizeof(ulong);
ha->cmd_cnt = 0;
gdth_copy_command(hanum);
if (ha->type == GDT_EISA)
printk("[EISA slot %d] ",(ushort)ha->brd_phys);
else if (ha->type == GDT_ISA)
printk("[DPMEM 0x%4X] ",(ushort)ha->brd_phys);
else
printk("[PCI %d/%d] ",(ushort)(ha->brd_phys>>8),
(ushort)((ha->brd_phys>>3)&0x1f));
gdth_release_event(hanum);
}
} else {
dvr.size = sizeof(dvr.eu.async);
dvr.eu.async.ionode = hanum;
dvr.eu.async.service = service;
dvr.eu.async.status = ha->status;
dvr.eu.async.info = ha->info;
*(ulong *)dvr.eu.async.scsi_coord = ha->info2;
gdth_store_event(ES_ASYNC, service, &dvr);
if (service==CACHESERVICE && INDEX_OK(ha->status,async_cache_tab)) {
TRACE2(("GDT: Async. event cache service, event no.: %d\n",
ha->status));
f = async_cache_tab[ha->status];
/* i: parameter to push, j: stack element to fill */
for (j=0,i=1; i < f[0]; i+=2) {
switch (f[i+1]) {
case 4:
stack.b[j++] = *(ulong*)&dvr.eu.stream[(int)f[i]];
break;
case 2:
stack.b[j++] = *(ushort*)&dvr.eu.stream[(int)f[i]];
break;
case 1:
stack.b[j++] = *(unchar*)&dvr.eu.stream[(int)f[i]];
break;
default:
break;
}
}
printk(&f[f[0]],stack); printk("\n");
} else {
printk("GDT: Unknown async. event service %d event no. %d\n",
service,ha->status);
}
}
return 1;
}
#ifdef GDTH_STATISTICS
void gdth_timeout(void)
{
ulong flags,i;
Scsi_Cmnd *nscp;
gdth_ha_str *ha;
int hanum = 0;
save_flags(flags);
cli();
for (act_stats=0,i=0; i<GDTH_MAXCMDS; ++i)
if (gdth_cmd_tab[i][hanum].cmnd != UNUSED_CMND)
++act_stats;
ha = HADATA(gdth_ctr_tab[hanum]);
for (act_rq=0,nscp=ha->req_first; nscp; nscp=(Scsi_Cmnd*)nscp->SCp.ptr)
++act_rq;
TRACE2(("gdth_to(): ints %ld, ios %ld, act_stats %ld, act_rq %ld\n",
act_ints, act_ios, act_stats, act_rq));
act_ints = act_ios = 0;
timer_table[GDTH_TIMER].expires = jiffies + 30*HZ;
timer_active |= 1<<GDTH_TIMER;
sti();
}
#endif
int gdth_detect(Scsi_Host_Template *shtp)
{
struct Scsi_Host *shp;
gdth_ha_str *ha;
unsigned long flags;
ulong isa_bios;
ushort eisa_slot,device_id,index;
gdth_pci_str pcistr;
int i,j,hanum;
unchar b;
#ifdef DEBUG_GDTH
printk("GDT: This driver contains debugging information !! Trace level = %d\n",
DebugState);
printk(" Destination of debugging information: ");
#ifdef __SERIAL__
#ifdef __COM2__
printk("Serial port COM2\n");
#else
printk("Serial port COM1\n");
#endif
#else
printk("Console\n");
#endif
WAITSEC(3);
#endif
TRACE(("gdth_detect()\n"));
if (disable_gdth_scan) {
printk("GDT: Controller driver disabled from command line !\n");
return 0;
}
/* initializations */
gdth_polling = TRUE; b = 0;
for (i=0; i<GDTH_MAXCMDS; ++i)
for (j=0; j<MAXHA; ++j)
gdth_cmd_tab[i][j].cmnd = UNUSED_CMND;
for (i=0; i<4; ++i)
for (j=0; j<MAXHA; ++j)
gdth_ioctl_tab[i][j] = NULL;
gdth_clear_events();
/* scanning for controllers, at first: ISA controller */
for (isa_bios=0xc8000UL; isa_bios<=0xd8000UL; isa_bios+=0x8000UL) {
if (gdth_search_isa(isa_bios)) { /* controller found */
shp = scsi_register(shtp,sizeof(gdth_ext_str));
ha = HADATA(shp);
if (!gdth_init_isa(isa_bios,ha,TRUE)) {
scsi_unregister(shp);
continue;
}
/* controller found and initialized */
printk("Configuring GDT-ISA HA at BIOS 0x%05lX IRQ %u DRQ %u\n",
isa_bios,ha->irq,ha->drq);
save_flags(flags);
cli();
#if LINUX_VERSION_CODE >= 0x010346
if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",NULL))
#else
if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth"))
#endif
{
printk("GDT-ISA: Unable to allocate IRQ\n");
restore_flags(flags);
scsi_unregister(shp);
continue;
}
if (request_dma(ha->drq,"gdth")) {
printk("GDT-ISA: Unable to allocate DMA channel\n");
#if LINUX_VERSION_CODE >= 0x010346
free_irq(ha->irq,NULL);
#else
free_irq(ha->irq);
#endif
restore_flags(flags);
scsi_unregister(shp);
continue;
}
set_dma_mode(ha->drq,DMA_MODE_CASCADE);
enable_dma(ha->drq);
shp->unchecked_isa_dma = 1;
shp->irq = ha->irq;
shp->dma_channel = ha->drq;
for (i=0; i<MAXID; ++i) {
if (ha->id[0][i].type==SIOP_DTYP) {
shp->this_id = i;
break;
}
}
hanum = gdth_ctr_count;
gdth_ctr_tab[gdth_ctr_count++] = shp;
gdth_ctr_vtab[gdth_ctr_vcount++] = shp;
NUMDATA(shp)->hanum = (ushort)hanum;
NUMDATA(shp)->busnum= 0;
ha->pccb = CMDDATA(shp);
ha->pscratch = DMADATA(shp);
ha->req_first = NULL;
for (i=0; i<MAXBUS; ++i) {
for (j=0; j<MAXID; ++j) {
ha->id[i][j].type = EMPTY_DTYP;
ha->id[i][j].lock = 0;
}
}
restore_flags(flags);
if (!gdth_search_drives(hanum,TRUE)) {
printk("GDT-ISA: Error during device scan\n");
--gdth_ctr_count;
save_flags(flags);
cli();
#if LINUX_VERSION_CODE >= 0x010346
free_irq(ha->irq,NULL);
#else
free_irq(ha->irq);
#endif
restore_flags(flags);
scsi_unregister(shp);
continue;
}
#if LINUX_VERSION_CODE >= 0x010400
shp->max_id = 8;
shp->max_lun = 8;
shp->max_channel = ha->bus_cnt - 1;
#else
/* register addit. SCSI channels as virtual controllers */
for (b=1; b<ha->bus_cnt; ++b) {
shp = scsi_register(shtp,sizeof(gdth_num_str));
shp->unchecked_isa_dma = 1;
shp->irq = ha->irq;
shp->dma_channel = ha->drq;
for (i=0; i<MAXID; ++i) {
if (ha->id[b][i].type==SIOP_DTYP) {
shp->this_id = i;
break;
}
}
gdth_ctr_vtab[gdth_ctr_vcount++] = shp;
NUMDATA(shp)->hanum = (ushort)hanum;
NUMDATA(shp)->busnum = b;
}
#endif
gdth_enable_int(hanum);
}
}
/* scanning for EISA controllers */
for (eisa_slot=0x1000; eisa_slot<=0x8000; eisa_slot+=0x1000) {
if (gdth_search_eisa(eisa_slot)) { /* controller found */
shp = scsi_register(shtp,sizeof(gdth_ext_str));
ha = HADATA(shp);
if (!gdth_init_eisa(eisa_slot,ha,TRUE)) {
scsi_unregister(shp);
continue;
}
/* controller found and initialized */
printk("Configuring GDT-EISA HA at Slot %d IRQ %u\n",
eisa_slot>>12,ha->irq);
save_flags(flags);
cli();
#if LINUX_VERSION_CODE >= 0x010346
if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",NULL))
#else
if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth"))
#endif
{
printk("GDT-EISA: Unable to allocate IRQ\n");
restore_flags(flags);
scsi_unregister(shp);
continue;
}
shp->unchecked_isa_dma = 0;
shp->irq = ha->irq;
shp->dma_channel = 0xff;
for (i=0; i<MAXID; ++i) {
if (ha->id[0][i].type==SIOP_DTYP) {
shp->this_id = i;
break;
}
}
hanum = gdth_ctr_count;
gdth_ctr_tab[gdth_ctr_count++] = shp;
gdth_ctr_vtab[gdth_ctr_vcount++] = shp;
NUMDATA(shp)->hanum = (ushort)hanum;
NUMDATA(shp)->busnum= 0;
TRACE2(("EISA detect Bus 0: shp %lx hanum %d\n",
(ulong)shp,NUMDATA(shp)->hanum));
ha->pccb = CMDDATA(shp);
ha->pscratch = DMADATA(shp);
ha->req_first = NULL;
for (i=0; i<MAXBUS; ++i) {
for (j=0; j<MAXID; ++j) {
ha->id[i][j].type = EMPTY_DTYP;
ha->id[i][j].lock = 0;
}
}
restore_flags(flags);
if (!gdth_search_drives(hanum,TRUE)) {
printk("GDT-EISA: Error during device scan\n");
--gdth_ctr_count;
save_flags(flags);
cli();
#if LINUX_VERSION_CODE >= 0x010346
free_irq(ha->irq,NULL);
#else
free_irq(ha->irq);
#endif
restore_flags(flags);
scsi_unregister(shp);
continue;
}
#if LINUX_VERSION_CODE >= 0x010400
shp->max_id = 8;
shp->max_lun = 8;
shp->max_channel = ha->bus_cnt - 1;
#else
/* register addit. SCSI channels as virtual controllers */
for (b=1; b<ha->bus_cnt; ++b) {
shp = scsi_register(shtp,sizeof(gdth_num_str));
shp->unchecked_isa_dma = 0;
shp->irq = ha->irq;
shp->dma_channel = 0xff;
for (i=0; i<MAXID; ++i) {
if (ha->id[b][i].type==SIOP_DTYP) {
shp->this_id = i;
break;
}
}
gdth_ctr_vtab[gdth_ctr_vcount++] = shp;
NUMDATA(shp)->hanum = (ushort)hanum;
NUMDATA(shp)->busnum = b;
TRACE2(("EISA detect Bus %d: shp %lx hanum %d\n",
NUMDATA(shp)->busnum,(ulong)shp,
NUMDATA(shp)->hanum));
}
#endif
gdth_enable_int(hanum);
}
}
/* scanning for PCI controllers */
for (device_id = 0; device_id <= PCI_DEVICE_ID_VORTEX_GDT6x21RP2; ++device_id) {
if (device_id > PCI_DEVICE_ID_VORTEX_GDT6555 &&
device_id < PCI_DEVICE_ID_VORTEX_GDT6x17RP)
continue;
for (index = 0; ; ++index) {
if (!gdth_search_pci(device_id,index,&pcistr))
break; /* next device_id */
shp = scsi_register(shtp,sizeof(gdth_ext_str));
ha = HADATA(shp);
if (!gdth_init_pci(&pcistr,ha,TRUE)) {
scsi_unregister(shp);
continue;
}
/* controller found and initialized */
printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n",
pcistr.bus,pcistr.device_fn>>3,ha->irq);
save_flags(flags);
cli();
#if LINUX_VERSION_CODE >= 0x010346
if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",NULL))
#else
if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth"))
#endif
{
printk("GDT-PCI: Unable to allocate IRQ\n");
restore_flags(flags);
scsi_unregister(shp);
continue;
}
shp->unchecked_isa_dma = 0;
shp->irq = ha->irq;
shp->dma_channel = 0xff;
for (i=0; i<MAXID; ++i) {
if (ha->id[0][i].type==SIOP_DTYP) {
shp->this_id = i;
break;
}
}
hanum = gdth_ctr_count;
gdth_ctr_tab[gdth_ctr_count++] = shp;
gdth_ctr_vtab[gdth_ctr_vcount++] = shp;
NUMDATA(shp)->hanum = (ushort)hanum;
NUMDATA(shp)->busnum= 0;
ha->pccb = CMDDATA(shp);
ha->pscratch = DMADATA(shp);
ha->req_first = NULL;
for (i=0; i<MAXBUS; ++i) {
for (j=0; j<MAXID; ++j) {
ha->id[i][j].type = EMPTY_DTYP;
ha->id[i][j].lock = 0;
}
}
restore_flags(flags);
if (!gdth_search_drives(hanum,TRUE)) {
printk("GDT-PCI: Error during device scan\n");
--gdth_ctr_count;
save_flags(flags);
cli();
#if LINUX_VERSION_CODE >= 0x010346
free_irq(ha->irq,NULL);
#else
free_irq(ha->irq);
#endif
restore_flags(flags);
scsi_unregister(shp);
continue;
}
#if LINUX_VERSION_CODE >= 0x010400
shp->max_id = 8;
shp->max_lun = 8;
shp->max_channel = ha->bus_cnt - 1;
#else
/* register addit. SCSI channels as virtual controllers */
for (b=1; b<ha->bus_cnt; ++b) {
shp = scsi_register(shtp,sizeof(gdth_num_str));
shp->unchecked_isa_dma = 0;
shp->irq = ha->irq;
shp->dma_channel = 0xff;
for (i=0; i<MAXID; ++i) {
if (ha->id[b][i].type==SIOP_DTYP) {
shp->this_id = i;
break;
}
}
gdth_ctr_vtab[gdth_ctr_vcount++] = shp;
NUMDATA(shp)->hanum = (ushort)hanum;
NUMDATA(shp)->busnum = b;
}
#endif
gdth_enable_int(hanum);
}
}
TRACE2(("gdth_detect() %d controller detected\n",gdth_ctr_count));
#ifdef GDTH_STATISTICS
TRACE2(("gdth_detect(): Initializing timer !\n"));
timer_table[GDTH_TIMER].fn = gdth_timeout;
timer_table[GDTH_TIMER].expires = jiffies + HZ;
timer_active |= 1<<GDTH_TIMER;
#endif
gdth_polling = FALSE;
return gdth_ctr_vcount;
}
int gdth_release(struct Scsi_Host *shp)
{
unsigned long flags;
TRACE2(("gdth_release()\n"));
save_flags(flags);
cli();
if (NUMDATA(shp)->busnum == 0) {
if (shp->irq) {
#if LINUX_VERSION_CODE >= 0x010346
free_irq(shp->irq,NULL);
#else
free_irq(shp->irq);
#endif
}
if (shp->dma_channel != 0xff) {
free_dma(shp->dma_channel);
}
}
restore_flags(flags);
scsi_unregister(shp);
return 0;
}
static const char *gdth_ctr_name(int hanum)
{
gdth_ha_str *ha;
TRACE2(("gdth_ctr_name()\n"));
ha = HADATA(gdth_ctr_tab[hanum]);
if (ha->type == GDT_EISA) {
switch (ha->stype) {
case GDT3_ID:
return("GDT3000/3020 (EISA)");
case GDT3A_ID:
return("GDT3000A/3020A/3050A (EISA)");
case GDT3B_ID:
return("GDT3000B/3010A (EISA)");
}
} else if (ha->type == GDT_ISA) {
return("GDT2000/2020 (ISA)");
} else if (ha->type == GDT_PCI) {
switch (ha->stype) {
case PCI_DEVICE_ID_VORTEX_GDT60x0:
return("GDT6000/6020/6050 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6000B:
return("GDT6000B/6010 (PCI)");
}
} else if (ha->type == GDT_PCINEW) {
switch (ha->stype) {
case PCI_DEVICE_ID_VORTEX_GDT6x10:
return("GDT6110/6510 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x20:
return("GDT6120/6520 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6530:
return("GDT6530 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6550:
return("GDT6550 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x17:
return("GDT6117/6517 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x27:
return("GDT6127/6527 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6537:
return("GDT6537 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6557:
return("GDT6557/6557-ECC (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x15:
return("GDT6115/6515 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x25:
return("GDT6125/6525 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6535:
return("GDT6535 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6555:
return("GDT6555/6555-ECC (PCI)");
}
} else if (ha->type == GDT_PCIMPR) {
switch (ha->stype) {
case PCI_DEVICE_ID_VORTEX_GDT6x17RP:
return("GDT6117RP/GDT6517RP (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x27RP:
return("GDT6127RP/GDT6527RP (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6537RP:
return("GDT6537RP (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6557RP:
return("GDT6557RP (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x11RP:
return("GDT6111RP/GDT6511RP (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x21RP:
return("GDT6121RP/GDT6521RP (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x17RP1:
return("GDT6117RP1/GDT6517RP1 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x27RP1:
return("GDT6127RP1/GDT6527RP1 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6537RP1:
return("GDT6537RP1 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6557RP1:
return("GDT6557RP1 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x11RP1:
return("GDT6111RP1/GDT6511RP1 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x21RP1:
return("GDT6121RP1/GDT6521RP1 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x17RP2:
return("GDT6117RP2/GDT6517RP2 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x27RP2:
return("GDT6127RP2/GDT6527RP2 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6537RP2:
return("GDT6537RP2 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6557RP2:
return("GDT6557RP2 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x11RP2:
return("GDT6111RP2/GDT6511RP2 (PCI)");
case PCI_DEVICE_ID_VORTEX_GDT6x21RP2:
return("GDT6121RP2/GDT6521RP2 (PCI)");
}
}
return("");
}
const char *gdth_info(struct Scsi_Host *shp)
{
int hanum;
TRACE2(("gdth_info()\n"));
hanum = NUMDATA(shp)->hanum;
return (gdth_ctr_name(hanum));
}
int gdth_abort(Scsi_Cmnd *scp)
{
TRACE2(("gdth_abort() reason %d\n",scp->abort_reason));
return SCSI_ABORT_SNOOZE;
}
#if LINUX_VERSION_CODE >= 0x010346
int gdth_reset(Scsi_Cmnd *scp, unsigned int reset_flags)
#else
int gdth_reset(Scsi_Cmnd *scp)
#endif
{
TRACE2(("gdth_reset()\n"));
return SCSI_RESET_PUNT;
}
#if LINUX_VERSION_CODE >= 0x010300
int gdth_bios_param(Disk *disk,kdev_t dev,int *ip)
#else
int gdth_bios_param(Disk *disk,int dev,int *ip)
#endif
{
TRACE2(("gdth_bios_param()\n"));
ip[2] = disk->capacity / HEADS / SECS;
if (ip[2] <= MAXCYLS) {
ip[0] = HEADS;
ip[1] = SECS;
} else {
ip[2] = disk->capacity / MEDHEADS / MEDSECS;
if (ip[2] <= MAXCYLS) {
ip[0] = MEDHEADS;
ip[1] = MEDSECS;
} else {
ip[2] = disk->capacity / BIGHEADS / BIGSECS;
ip[0] = BIGHEADS;
ip[1] = BIGSECS;
}
}
TRACE2(("gdth_bios_param(): %d heads, %d secs, %d cyls\n",
ip[0],ip[1],ip[2]));
return 0;
}
static void internal_done(Scsi_Cmnd *scp)
{
scp->SCp.sent_command++;
}
int gdth_command(Scsi_Cmnd *scp)
{
TRACE2(("gdth_command()\n"));
scp->SCp.sent_command = 0;
gdth_queuecommand(scp,internal_done);
while (!scp->SCp.sent_command)
barrier();
return scp->result;
}
int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *))
{
int hanum;
int priority;
TRACE(("gdth_queuecommand() cmd 0x%x id %d lun %d\n",
scp->cmnd[0],scp->target,scp->lun));
scp->scsi_done = (void *)done;
scp->SCp.have_data_in = 0;
hanum = NUMDATA(scp->host)->hanum;
#ifdef GDTH_STATISTICS
++act_ios;
#endif
priority = DEFAULT_PRI;
#if LINUX_VERSION_CODE >= 0x010300
if (scp->done == gdth_scsi_done)
priority = scp->SCp.this_residual;
#endif
gdth_putq( hanum, scp, priority );
gdth_next( hanum );
return 0;
}
/* shutdown routine */
void gdth_halt()
{
int hanum, i, j;
gdth_ha_str *ha;
Scsi_Cmnd scp;
Scsi_Device sdev;
gdth_cmd_str gdtcmd;
char cmnd[12];
TRACE2(("gdth_halt()\n"));
printk("GDT: Flushing all host drives .. ");
for (hanum = 0; hanum < gdth_ctr_count; ++hanum) {
ha = HADATA(gdth_ctr_tab[hanum]);
memset(&sdev,0,sizeof(Scsi_Device));
memset(&scp, 0,sizeof(Scsi_Cmnd));
sdev.host = gdth_ctr_tab[hanum];
sdev.id = sdev.host->this_id;
scp.cmd_len = 12;
scp.host = gdth_ctr_tab[hanum];
scp.target = sdev.host->this_id;
scp.device = &sdev;
scp.use_sg = 0;
/* flush */
for (i = 0; i < MAXBUS; ++i) {
for (j = 0; j < MAXID; ++j) {
if (ha->id[i][j].type == CACHE_DTYP) {
gdtcmd.BoardNode = LOCALBOARD;
gdtcmd.Service = CACHESERVICE;
gdtcmd.OpCode = GDT_FLUSH;
gdtcmd.u.cache.DeviceNo = ha->id[i][j].hostdrive;
gdtcmd.u.cache.BlockNo = 1;
gdtcmd.u.cache.sg_canz = 0;
TRACE2(("gdth_halt(): flush ha %d drive %d\n",
hanum, ha->id[i][j].hostdrive));
{
struct semaphore sem = MUTEX_LOCKED;
scp.request.rq_status = RQ_SCSI_BUSY;
scp.request.sem = &sem;
scsi_do_cmd(&scp, cmnd, &gdtcmd,
sizeof(gdth_cmd_str), gdth_scsi_done,
30*HZ, 1);
down(&sem);
}
}
}
}
/* controller reset */
gdtcmd.BoardNode = LOCALBOARD;
gdtcmd.Service = CACHESERVICE;
gdtcmd.OpCode = GDT_RESET;
TRACE2(("gdth_halt(): reset controller %d\n", hanum));
{
struct semaphore sem = MUTEX_LOCKED;
scp.request.rq_status = RQ_SCSI_BUSY;
scp.request.sem = &sem;
scsi_do_cmd(&scp, cmnd, &gdtcmd,
sizeof(gdth_cmd_str), gdth_scsi_done,
10*HZ, 1);
down(&sem);
}
}
printk("Done.\n");
}
/* called from init/main.c */
void gdth_setup(char *str,int *ints)
{
static size_t setup_idx = 0;
TRACE2(("gdth_setup() str %s ints[0] %d ints[1] %d\n",
str ? str:"NULL", ints[0],
ints[0] ? ints[1]:0));
if (setup_idx >= MAXHA) {
printk("GDT: gdth_setup() called too many times. Bad LILO params ?\n");
return;
}
if (ints[0] != 1) {
printk("GDT: Illegal command line !\n");
printk("Usage: gdth=<IRQ>\n");
printk("Where: <IRQ>: valid EISA controller IRQ (10,11,12,14)\n");
printk(" or 0 to disable controller driver\n");
return;
}
if (ints[1] == 10 || ints[1] == 11 || ints[1] == 12 || ints[1] == 14) {
irqs[setup_idx++] = ints[1];
irqs[setup_idx] = 0xff;
return;
}
if (ints[1] == 0) {
disable_gdth_scan = TRUE;
return;
}
printk("GDT: Invalid IRQ (%d) specified\n",ints[1]);
}
#ifdef MODULE
Scsi_Host_Template driver_template = GDTH;
#include "scsi_module.c"
#endif
