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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [scsi/] [gdth.c] - Rev 1626
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/************************************************************************ * GDT ISA/EISA/PCI Disk Array Controller driver for Linux * * * * gdth.c * * Copyright (C) 1995-98 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, ..., 2.1.103 * * * * $Log: not supported by cvs2svn $ * Revision 1.1.1.1 2001/09/10 07:44:33 simons * Initial import * * Revision 1.1.1.1 2001/07/02 17:58:29 simons * Initial revision * * Revision 1.16 1998/09/28 16:08:46 achim * GDT_PCIMPR: DPMEM remapping, if required * mdelay() added * * Revision 1.15 1998/06/03 14:54:06 achim * gdth_delay(), gdth_flush() implemented * Bugfix: gdth_release() changed * * Revision 1.14 1998/05/22 10:01:17 achim * mj: pcibios_strerror() removed * Improved SMP support (if version >= 2.1.95) * gdth_halt(): halt_called flag added (if version < 2.1) * * Revision 1.13 1998/04/16 09:14:57 achim * Reserve drives (for raw service) implemented * New error handling code enabled * Get controller name from board_info() IOCTL * Final round of PCI device driver patches by Martin Mares * * Revision 1.12 1998/03/03 09:32:37 achim * Fibre channel controller support added * * Revision 1.11 1998/01/27 16:19:14 achim * SA_SHIRQ added * add_timer()/del_timer() instead of GDTH_TIMER * scsi_add_timer()/scsi_del_timer() instead of SCSI_TIMER * New error handling included * * Revision 1.10 1997/10/31 12:29:57 achim * Read heads/sectors from host drive * * Revision 1.9 1997/09/04 10:07:25 achim * IO-mapping with virt_to_bus(), readb(), writeb(), ... * register_reboot_notifier() to get a notify on shutdown used * * 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 1.1 2005-12-20 10:17:45 jcastillo 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/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> #if LINUX_VERSION_CODE >= 0x020100 #include <linux/reboot.h> #else #include <linux/bios32.h> #endif #include <asm/dma.h> #include <asm/system.h> #include <asm/io.h> #if LINUX_VERSION_CODE >= 0x02015F #include <asm/spinlock.h> #endif #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" /****************************************************************************/ /* 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; /* Reserve drives for raw service: Fill the following structure with the * appropriate values: Controller number, Channel, Target ID */ static gdth_reserve_str reserve_list[] = { /* { 0, 1, 4 }, Example: Controller 0, Channel B, ID 4 */ { 0xff, 0xff, 0xff } /* end of list */ }; /****************************************************************************/ #if LINUX_VERSION_CODE >= 0x02015F static void gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs); static void do_gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs); #elif 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); static int gdth_init_isa(ulong bios_adr,gdth_ha_str *ha); static int gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha); 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); static void *gdth_mmap(ulong paddr, ulong size); static void gdth_munmap(void *addr); static const char *gdth_ctr_name(int hanum); static void gdth_flush(int hanum); #if LINUX_VERSION_CODE >= 0x020100 static int gdth_halt(struct notifier_block *nb, ulong event, void *buf); #else static int halt_called = FALSE; void gdth_halt(void); #endif #ifdef DEBUG_GDTH static unchar DebugState = DEBUG_GDTH; extern int sys_syslog(int,char*,int); #define LOGEN sys_syslog(7,NULL,0) #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;}} #define TRACE2(a) {if (DebugState==1 || DebugState==2) {ser_printk a;}} #define TRACE3(a) {if (DebugState!=0) {ser_printk a;}} #else /* !__SERIAL__ */ #define TRACE(a) {if (DebugState==1) {LOGEN;printk a;}} #define TRACE2(a) {if (DebugState==1 || DebugState==2) {LOGEN;printk a;}} #define TRACE3(a) {if (DebugState!=0) {LOGEN;printk a;}} #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; static struct timer_list gdth_timer; #endif #define PTR2USHORT(a) (ushort)(ulong)(a) #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) #if LINUX_VERSION_CODE < 0x010300 static void *gdth_mmap(ulong paddr, ulong size) { if (paddr >= high_memory) return NULL; else return (void *)paddr; } static void gdth_munmap(void *addr) { } inline ulong virt_to_phys(volatile void *addr) { return (ulong)addr; } inline void *phys_to_virt(ulong addr) { return (void *)addr; } #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt #define readb(addr) (*(volatile unchar *)(addr)) #define readw(addr) (*(volatile ushort *)(addr)) #define readl(addr) (*(volatile ulong *)(addr)) #define writeb(b,addr) (*(volatile unchar *)(addr) = (b)) #define writew(b,addr) (*(volatile ushort *)(addr) = (b)) #define writel(b,addr) (*(volatile ulong *)(addr) = (b)) #define memset_io(a,b,c) memset((void *)(a),(b),(c)) #define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c)) #define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c)) #elif LINUX_VERSION_CODE < 0x020100 static int remapped = FALSE; static void *gdth_mmap(ulong paddr, ulong size) { if ( paddr >= high_memory) { remapped = TRUE; return vremap(paddr, size); } else { return (void *)paddr; } } static void gdth_munmap(void *addr) { if (remapped) vfree(addr); remapped = FALSE; } #else static void *gdth_mmap(ulong paddr, ulong size) { return ioremap(paddr, size); } static void gdth_munmap(void *addr) { return iounmap(addr); } #endif 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 int gdth_ctr_released = 0; /* gdth_release() */ 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 }; /* __initfunc, __initdata macros */ #if LINUX_VERSION_CODE >= 0x020126 #include <linux/init.h> #else #define __initfunc(A) A #define __initdata #define __init #endif /* /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 #if LINUX_VERSION_CODE >= 0x020100 /* notifier block to get a notify on system shutdown/halt/reboot */ static struct notifier_block gdth_notifier = { gdth_halt, NULL, 0 }; #endif static void gdth_delay(int milliseconds) { if (milliseconds == 0) { udelay(1); } else { #if LINUX_VERSION_CODE >= 0x020168 mdelay(milliseconds); #else int i; for (i = 0; i < milliseconds; ++i) udelay(1000); #endif } } /* controller search and initialization functions */ __initfunc (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; } __initfunc (static int gdth_search_isa(ulong bios_adr)) { void *addr; ulong id; TRACE(("gdth_search_isa() bios adr. %lx\n",bios_adr)); if ((addr = gdth_mmap(bios_adr+BIOS_ID_OFFS, sizeof(ulong))) != NULL) { id = readl(addr); gdth_munmap(addr); if (id == GDT2_ID) /* GDT2000 */ return 1; } return 0; } __initfunc (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 LINUX_VERSION_CODE >= 0x20155 if (!pci_present()) return 0; #else if (!pcibios_present()) return 0; #endif 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 >= 0x20155 { struct pci_dev *pdev = pci_find_slot(pcistr->bus, pcistr->device_fn); base0 = pdev->base_address[0]; base1 = pdev->base_address[1]; base2 = pdev->base_address[2]; if ((error = pcibios_read_config_dword(pcistr->bus,pcistr->device_fn, PCI_ROM_ADDRESS, (int *) &pcistr->bios))) { printk("GDT-PCI: error %d reading configuration space", error); return -1; } pcistr->irq = pdev->irq; } #else #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 %d reading configuration space", error); return -1; } #endif 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; } __initfunc (static int gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha)) { 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; gdth_delay(20); while (inb(eisa_adr+EDOORREG) != 0xff) { if (--retries == 0) { printk("GDT-EISA: Initialization error (DEINIT failed)\n"); return 0; } gdth_delay(1); 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->bmic = 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; gdth_delay(20); while (inb(eisa_adr+EDOORREG) != 0xfe) { if (--retries == 0) { printk("GDT-EISA: Initialization error (get IRQ failed)\n"); return 0; } gdth_delay(1); } ha->irq = inb(eisa_adr+MAILBOXREG); outb(0xff,eisa_adr+EDOORREG); TRACE2(("GDT3000/3020: IRQ=%d\n",ha->irq)); /* 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; } __initfunc (static int gdth_init_isa(ulong bios_adr,gdth_ha_str *ha)) { 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 = gdth_mmap(bios_adr, sizeof(gdt2_dpram_str)); if (ha->brd == NULL) { printk("GDT-ISA: Initialization error (DPMEM remap error)\n"); return 0; } dp2_ptr = (gdt2_dpram_str *)ha->brd; writeb(1, &dp2_ptr->io.memlock); /* switch off write protection */ /* reset interface area */ memset_io((char *)&dp2_ptr->u,0,sizeof(dp2_ptr->u)); if (readl(&dp2_ptr->u) != 0) { printk("GDT-PCI: Initialization error (DPMEM write error)\n"); gdth_munmap(ha->brd); return 0; } /* disable board interrupts, read DRQ and IRQ */ writeb(0xff, &dp2_ptr->io.irqdel); writeb(0x00, &dp2_ptr->io.irqen); writeb(0x00, &dp2_ptr->u.ic.S_Status); writeb(0x00, &dp2_ptr->u.ic.Cmd_Index); irq_drq = readb(&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 = readb(&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 */ writel(bios_adr, &dp2_ptr->u.ic.S_Info[0]); writeb(0xff, &dp2_ptr->u.ic.S_Cmd_Indx); writeb(0, &dp2_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp2_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-ISA: Initialization error (DEINIT failed)\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (unchar)readl(&dp2_ptr->u.ic.S_Info[0]); writeb(0, &dp2_ptr->u.ic.Status); writeb(0xff, &dp2_ptr->io.irqdel); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-ISA: Illegal protocol version\n"); gdth_munmap(ha->brd); 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 */ writel(0x00, &dp2_ptr->u.ic.S_Info[0]); writel(0x00, &dp2_ptr->u.ic.S_Info[1]); writel(0x01, &dp2_ptr->u.ic.S_Info[2]); writel(0x00, &dp2_ptr->u.ic.S_Info[3]); writeb(0xfe, &dp2_ptr->u.ic.S_Cmd_Indx); writeb(0, &dp2_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp2_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-ISA: Initialization error\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } writeb(0, &dp2_ptr->u.ic.Status); writeb(0xff, &dp2_ptr->io.irqdel); return 1; } __initfunc (static int gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)) { register gdt6_dpram_str *dp6_ptr; register gdt6c_dpram_str *dp6c_ptr; register gdt6m_dpram_str *dp6m_ptr; ulong retries; unchar prot_ver; int i, found = FALSE; TRACE(("gdth_init_pci()\n")); 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",pcistr->dpmem,ha->irq)); ha->brd = gdth_mmap(pcistr->dpmem, sizeof(gdt6_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6_ptr = (gdt6_dpram_str *)ha->brd; /* reset interface area */ memset_io((char *)&dp6_ptr->u,0,sizeof(dp6_ptr->u)); if (readl(&dp6_ptr->u) != 0) { printk("GDT-PCI: Initialization error (DPMEM write error)\n"); gdth_munmap(ha->brd); return 0; } /* disable board interrupts, deinit services */ writeb(0xff, &dp6_ptr->io.irqdel); writeb(0x00, &dp6_ptr->io.irqen);; writeb(0x00, &dp6_ptr->u.ic.S_Status); writeb(0x00, &dp6_ptr->u.ic.Cmd_Index); writel(pcistr->dpmem, &dp6_ptr->u.ic.S_Info[0]); writeb(0xff, &dp6_ptr->u.ic.S_Cmd_Indx); writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (unchar)readl(&dp6_ptr->u.ic.S_Info[0]); writeb(0, &dp6_ptr->u.ic.S_Status); writeb(0xff, &dp6_ptr->io.irqdel); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); gdth_munmap(ha->brd); return 0; } ha->type = GDT_PCI; ha->ic_all_size = sizeof(dp6_ptr->u); /* special command to controller BIOS */ writel(0x00, &dp6_ptr->u.ic.S_Info[0]); writel(0x00, &dp6_ptr->u.ic.S_Info[1]); writel(0x01, &dp6_ptr->u.ic.S_Info[2]); writel(0x00, &dp6_ptr->u.ic.S_Info[3]); writeb(0xfe, &dp6_ptr->u.ic.S_Cmd_Indx); writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } writeb(0, &dp6_ptr->u.ic.S_Status); writeb(0xff, &dp6_ptr->io.irqdel); } else if (ha->stype <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, GDT6120, .. */ ha->plx = (gdt6c_plx_regs *)pcistr->io; TRACE2(("init_pci_new() dpmem %lx io %lx irq %d\n", pcistr->dpmem,(ulong)ha->plx,ha->irq)); ha->brd = gdth_mmap(pcistr->dpmem, sizeof(gdt6c_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); gdth_munmap(ha->brd); return 0; } dp6c_ptr = (gdt6c_dpram_str *)ha->brd; /* reset interface area */ memset_io((char *)&dp6c_ptr->u,0,sizeof(dp6c_ptr->u)); if (readl(&dp6c_ptr->u) != 0) { printk("GDT-PCI: Initialization error (DPMEM write error)\n"); gdth_munmap(ha->brd); return 0; } /* disable board interrupts, deinit services */ outb(0x00,PTR2USHORT(&ha->plx->control1)); outb(0xff,PTR2USHORT(&ha->plx->edoor_reg)); writeb(0x00, &dp6c_ptr->u.ic.S_Status); writeb(0x00, &dp6c_ptr->u.ic.Cmd_Index); writel(pcistr->dpmem, &dp6c_ptr->u.ic.S_Info[0]); writeb(0xff, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6c_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (unchar)readl(&dp6c_ptr->u.ic.S_Info[0]); writeb(0, &dp6c_ptr->u.ic.Status); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); gdth_munmap(ha->brd); return 0; } ha->type = GDT_PCINEW; ha->ic_all_size = sizeof(dp6c_ptr->u); /* special command to controller BIOS */ writel(0x00, &dp6c_ptr->u.ic.S_Info[0]); writel(0x00, &dp6c_ptr->u.ic.S_Info[1]); writel(0x01, &dp6c_ptr->u.ic.S_Info[2]); writel(0x00, &dp6c_ptr->u.ic.S_Info[3]); writeb(0xfe, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6c_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } writeb(0, &dp6c_ptr->u.ic.S_Status); } else { /* MPR */ TRACE2(("init_pci_mpr() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq)); ha->brd = gdth_mmap(pcistr->dpmem, sizeof(gdt6m_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } /* check and reset interface area */ dp6m_ptr = (gdt6m_dpram_str *)ha->brd; writel(DPMEM_MAGIC, &dp6m_ptr->u); if (readl(&dp6m_ptr->u) != DPMEM_MAGIC) { printk("GDT-PCI: Cannot access DPMEM at 0x%x (shadowed?)\n", (int)ha->brd); found = FALSE; for (i = 0xC8000; i < 0xE8000; i += 0x4000) { pcibios_write_config_dword( pcistr->bus, pcistr->device_fn, PCI_BASE_ADDRESS_0, i ); gdth_munmap( ha->brd ); ha->brd = gdth_mmap(i, sizeof(gdt6m_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6m_ptr = (gdt6m_dpram_str *)ha->brd; writel(DPMEM_MAGIC, &dp6m_ptr->u); if (readl(&dp6m_ptr->u) == DPMEM_MAGIC) { printk("GDT-PCI: Use free address at 0x%x\n", (int)ha->brd); found = TRUE; break; } } if (!found) { printk("GDT-PCI: No free address found!\n"); gdth_munmap( ha->brd ); return 0; } } memset_io((char *)&dp6m_ptr->u,0,sizeof(dp6m_ptr->u)); /* disable board interrupts, deinit services */ writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) | 4, &dp6m_ptr->i960r.edoor_en_reg); writeb(0xff, &dp6m_ptr->i960r.edoor_reg); writeb(0x00, &dp6m_ptr->u.ic.S_Status); writeb(0x00, &dp6m_ptr->u.ic.Cmd_Index); writel(pcistr->dpmem, &dp6m_ptr->u.ic.S_Info[0]); writeb(0xff, &dp6m_ptr->u.ic.S_Cmd_Indx); writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6m_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (unchar)readl(&dp6m_ptr->u.ic.S_Info[0]); writeb(0, &dp6m_ptr->u.ic.S_Status); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); gdth_munmap(ha->brd); return 0; } ha->type = GDT_PCIMPR; ha->ic_all_size = sizeof(dp6m_ptr->u); /* special command to controller BIOS */ writel(0x00, &dp6m_ptr->u.ic.S_Info[0]); writel(0x00, &dp6m_ptr->u.ic.S_Info[1]); writel(0x01, &dp6m_ptr->u.ic.S_Info[2]); writel(0x00, &dp6m_ptr->u.ic.S_Info[3]); writeb(0xfe, &dp6m_ptr->u.ic.S_Cmd_Indx); writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6m_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); gdth_munmap(ha->brd); return 0; } gdth_delay(1); } writeb(0, &dp6m_ptr->u.ic.S_Status); } return 1; } /* controller protocol functions */ __initfunc (static void gdth_enable_int(int hanum)) { gdth_ha_str *ha; ulong flags; 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) { outb(0xff, ha->bmic + EDOORREG); outb(0xff, ha->bmic + EDENABREG); outb(0x01, ha->bmic + EINTENABREG); } else if (ha->type == GDT_ISA) { dp2_ptr = (gdt2_dpram_str *)ha->brd; writeb(1, &dp2_ptr->io.irqdel); writeb(0, &dp2_ptr->u.ic.Cmd_Index); writeb(1, &dp2_ptr->io.irqen); } else if (ha->type == GDT_PCI) { dp6_ptr = (gdt6_dpram_str *)ha->brd; writeb(1, &dp6_ptr->io.irqdel); writeb(0, &dp6_ptr->u.ic.Cmd_Index); writeb(1, &dp6_ptr->io.irqen); } 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; writeb(0xff, &dp6m_ptr->i960r.edoor_reg); writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) & ~4, &dp6m_ptr->i960r.edoor_en_reg); } 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->bmic + EDOORREG); else if (ha->type == GDT_ISA) *pIStatus = readb(&((gdt2_dpram_str *)ha->brd)->u.ic.Cmd_Index); else if (ha->type == GDT_PCI) *pIStatus = readb(&((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 = readb(&((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(ha->bmic + SEMA0REG); else if (ha->type == GDT_ISA) gdtsema0 = (int)readb(&((gdt2_dpram_str *)ha->brd)->u.ic.Sema0); else if (ha->type == GDT_PCI) gdtsema0 = (int)readb(&((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)readb(&((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, ha->bmic + SEMA0REG); else if (ha->type == GDT_ISA) writeb(1, &((gdt2_dpram_str *)ha->brd)->u.ic.Sema0); else if (ha->type == GDT_PCI) writeb(1, &((gdt6_dpram_str *)ha->brd)->u.ic.Sema0); else if (ha->type == GDT_PCINEW) outb(1, PTR2USHORT(&ha->plx->sema0_reg)); else if (ha->type == GDT_PCIMPR) writeb(1, &((gdt6m_dpram_str *)ha->brd)->i960r.sema0_reg); } 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; writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp2_ptr->u.ic.comm_queue[cmd_no].offset); writew((ushort)cmd_ptr->Service, &dp2_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&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; writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6_ptr->u.ic.comm_queue[cmd_no].offset); writew((ushort)cmd_ptr->Service, &dp6_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&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; writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6c_ptr->u.ic.comm_queue[cmd_no].offset); writew((ushort)cmd_ptr->Service, &dp6c_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&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; writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6m_ptr->u.ic.comm_queue[cmd_no].offset); writew((ushort)cmd_ptr->Service, &dp6m_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&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, ha->bmic + LDOORREG); if (ha->pccb->OpCode == GDT_INIT) /* store DMA buffer */ outl((ulong)ha->pccb, ha->bmic + MAILBOXREG); } else if (ha->type == GDT_ISA) writeb(0, &((gdt2_dpram_str *)ha->brd)->io.event); else if (ha->type == GDT_PCI) writeb(0, &((gdt6_dpram_str *)ha->brd)->io.event); else if (ha->type == GDT_PCINEW) outb(1, PTR2USHORT(&ha->plx->ldoor_reg)); else if (ha->type == GDT_PCIMPR) writeb(1, &((gdt6m_dpram_str *)ha->brd)->i960r.ldoor_reg); } 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; } gdth_delay(1); } while (--time); gdth_from_wait = FALSE; while (gdth_test_busy(hanum)) gdth_delay(0); 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 = virt_to_bus(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); gdth_delay(20); 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; gdth_delay(1); } return (ha->status != S_OK ? 0:1); } /* search for devices */ __initfunc (static int gdth_search_drives(int hanum)) { 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; gdth_iochan_str *ioc; TRACE(("gdth_search_drives() hanum %d\n",hanum)); 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; /* mount all cache devices */ gdth_internal_cmd(hanum,CACHESERVICE,GDT_MOUNT,0xffff,1,0); 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 - try new IOCTL */ ioc = (gdth_iochan_str *)DMADATA(gdth_ctr_tab[hanum]); ioc->version = -1UL; ioc->list_entries = MAXBUS; ioc->first_chan = 0; ioc->last_chan = MAXBUS-1; ioc->list_offset = GDTOFFSOF(gdth_iochan_str, list[0]); if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,GET_IOCHAN_DESC, INVALID_CHANNEL,sizeof(gdth_iochan_str))) { TRACE2(("GET_IOCHAN_DESC supported!\n")); ha->bus_cnt = ioc->chan_count; for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) if (ioc->list[bus_no].proc_id < MAXID) ha->id[bus_no][ioc->list[bus_no].proc_id].type = SIOP_DTYP; } else { /* old method */ 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)); /* read board info, fill ctr_name[] */ if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,BOARD_INFO, INVALID_CHANNEL,sizeof(gdth_binfo_str))) { TRACE2(("BOARD_INFO supported!\n")); strcpy(ha->ctr_name, ((gdth_binfo_str *)DMADATA(gdth_ctr_tab[hanum]))->type_string); } else { strcpy(ha->ctr_name, gdth_ctr_name(hanum)); } TRACE2(("Controller name: %s\n",ha->ctr_name)); /* 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; } } /* reserve drives for raw service */ for (i = 0; reserve_list[i].hanum != 0xff; ++i) { if (reserve_list[i].hanum < MAXHA && reserve_list[i].hanum == hanum && reserve_list[i].bus < MAXBUS && reserve_list[i].id < MAXID) { TRACE2(("gdth_search_drives(): reserve ha %d bus %d id %d\n", reserve_list[i].hanum, reserve_list[i].bus, reserve_list[i].id)); if (!gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_RESERVE,0, reserve_list[i].bus, reserve_list[i].id)) { printk("GDT: Error raw service (RESERVE, code %d)\n", ha->status); } } } /* 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; if (ha->info2 == 0) { 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; } } } else { drv_hds = ha->info2 & 0xff; drv_secs = (ha->info2 >> 8) & 0xff; drv_cyls = ha->id[b][t].size /drv_hds/drv_secs; } 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; TRACE2(("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(hanum, scp, scp->timeout_per_command * 6); #if LINUX_VERSION_CODE >= 0x020000 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(hanum, 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 >= 0x020000 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)) gdth_delay(1); } 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 ); if (!nscp->SCp.have_data_in) nscp->SCp.have_data_in++; else 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 ); if (!nscp->SCp.have_data_in) nscp->SCp.have_data_in++; else 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); if (!scp->SCp.have_data_in) scp->SCp.have_data_in++; else 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 = virt_to_bus(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 = virt_to_bus(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 = virt_to_bus(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 = virt_to_bus(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 = virt_to_bus(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 = virt_to_bus(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 = virt_to_bus(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 >= 0x02015F static void do_gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) { ulong flags; spin_lock_irqsave(&io_request_lock, flags); gdth_interrupt(irq, dev_id, regs); spin_unlock_irqrestore(&io_request_lock, flags); } #endif #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(ha->bmic + MAILBOXREG+8); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus)); if (IStatus == ASYNCINDEX) { /* async. event ? */ Service = inw(ha->bmic + MAILBOXREG+10); InfoBytes2 = inl(ha->bmic + MAILBOXREG+4); } } else /* no error */ CmdStatus = S_OK; InfoBytes = inl(ha->bmic + MAILBOXREG+12); if (gdth_polling) /* init. -> more info */ InfoBytes2 = inl(ha->bmic + MAILBOXREG+4); outb(0xff, ha->bmic + EDOORREG); /* acknowledge interrupt */ outb(0x00, ha->bmic + 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 = readw(&dp2_ptr->u.ic.Status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus)); if (IStatus == ASYNCINDEX) { /* async. event ? */ Service = readw(&dp2_ptr->u.ic.Service); InfoBytes2 = readl(&dp2_ptr->u.ic.Info[1]); } } else /* no error */ CmdStatus = S_OK; InfoBytes = readl(&dp2_ptr->u.ic.Info[0]); if (gdth_polling) /* init. -> more info */ InfoBytes2 = readl(&dp2_ptr->u.ic.Info[1]); writeb(0xff, &dp2_ptr->io.irqdel); /* acknowledge interrupt */ writeb(0, &dp2_ptr->u.ic.Cmd_Index); /* reset command index */ writeb(0, &dp2_ptr->io.Sema1); /* reset status semaphore */ } else if (ha->type == GDT_PCI) { dp6_ptr = (gdt6_dpram_str *)ha->brd; if (IStatus & 0x80) { /* error flag */ IStatus &= ~0x80; CmdStatus = readw(&dp6_ptr->u.ic.Status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus)); if (IStatus == ASYNCINDEX) { /* async. event ? */ Service = readw(&dp6_ptr->u.ic.Service); InfoBytes2 = readl(&dp6_ptr->u.ic.Info[1]); } } else /* no error */ CmdStatus = S_OK; InfoBytes = readl(&dp6_ptr->u.ic.Info[0]); if (gdth_polling) /* init. -> more info */ InfoBytes2 = readl(&dp6_ptr->u.ic.Info[1]); writeb(0xff, &dp6_ptr->io.irqdel); /* acknowledge interrupt */ writeb(0, &dp6_ptr->u.ic.Cmd_Index); /* reset command index */ writeb(0, &dp6_ptr->io.Sema1); /* 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])); if (gdth_polling) /* init. -> more info */ InfoBytes2 = inl(PTR2USHORT(&ha->plx->info[1])); 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 = readw(&dp6m_ptr->i960r.status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,CmdStatus)); if (IStatus == ASYNCINDEX) { /* async. event ? */ Service = readw(&dp6m_ptr->i960r.service); InfoBytes2 = readl(&dp6m_ptr->i960r.info[1]); } } else /* no error */ CmdStatus = S_OK; InfoBytes = readl(&dp6m_ptr->i960r.info[0]); if (gdth_polling) /* init. -> more info */ InfoBytes2 = readl(&dp6m_ptr->i960r.info[1]); writeb(0xff, &dp6m_ptr->i960r.edoor_reg); writeb(0, &dp6m_ptr->i960r.sema1_reg); } 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)) gdth_delay(0); 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)) gdth_delay(0); 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,scp->SCp.this_residual); 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 >= 0x020000 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 || ha->info>=0x100) { scp->result = DID_BAD_TARGET << 16; } else { scp->result = (DID_OK << 16) | ha->info; } } } if (!scp->SCp.have_data_in) scp->SCp.have_data_in++; else 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", /*56*/ "\005\000\002\006\004" "GDT HA %u, Host drive %lu created", /*57*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: expand restarted", /*58*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: expand stopped", }; 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)) gdth_delay(0); 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(ulong data) { 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; gdth_timer.expires = jiffies + 30 * HZ; add_timer(&gdth_timer); restore_flags(flags); } #endif __initfunc (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 gdth_delay(3000); #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)) { 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 >= 0x02015F if (request_irq(ha->irq,do_gdth_interrupt,SA_INTERRUPT,"gdth",NULL)) #elif 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; ha->id[i][j].heads = 0; } } restore_flags(flags); if (!gdth_search_drives(hanum)) { printk("GDT-ISA: Error during device scan\n"); --gdth_ctr_count; --gdth_ctr_vcount; 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 >= 0x020000 shp->max_id = 8; shp->max_lun = MAXLUN; 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)) { 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 >= 0x02015F if (request_irq(ha->irq,do_gdth_interrupt,SA_INTERRUPT,"gdth",NULL)) #elif 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; ha->id[i][j].heads = 0; } } restore_flags(flags); if (!gdth_search_drives(hanum)) { printk("GDT-EISA: Error during device scan\n"); --gdth_ctr_count; --gdth_ctr_vcount; 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 >= 0x020000 shp->max_id = 8; shp->max_lun = MAXLUN; 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_GDTMAXRP; ++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)) { 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 >= 0x02015F if (request_irq(ha->irq,do_gdth_interrupt,SA_INTERRUPT|SA_SHIRQ,"gdth",NULL)) #elif LINUX_VERSION_CODE >= 0x010346 if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT|SA_SHIRQ,"gdth",NULL)) #else if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT|SA_SHIRQ,"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; ha->id[i][j].heads = 0; } } restore_flags(flags); if (!gdth_search_drives(hanum)) { printk("GDT-PCI: Error during device scan\n"); --gdth_ctr_count; --gdth_ctr_vcount; 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 >= 0x020000 shp->max_id = MAXID; shp->max_lun = MAXLUN; 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)); if (gdth_ctr_count > 0) { #ifdef GDTH_STATISTICS TRACE2(("gdth_detect(): Initializing timer !\n")); init_timer(&gdth_timer); gdth_timer.expires = jiffies + HZ; gdth_timer.data = 0L; gdth_timer.function = gdth_timeout; add_timer(&gdth_timer); #endif #if LINUX_VERSION_CODE >= 0x020100 register_reboot_notifier(&gdth_notifier); #endif } gdth_polling = FALSE; return gdth_ctr_vcount; } int gdth_release(struct Scsi_Host *shp) { unsigned long flags; TRACE2(("gdth_release()\n")); if (NUMDATA(shp)->busnum == 0) { gdth_flush(NUMDATA(shp)->hanum); save_flags(flags); cli(); 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); gdth_ctr_released++; TRACE2(("gdth_release(): HA %d of %d\n", gdth_ctr_released, gdth_ctr_count)); if (gdth_ctr_released == gdth_ctr_count) { #ifdef GDTH_STATISTICS del_timer(&gdth_timer); #endif #if LINUX_VERSION_CODE >= 0x020100 unregister_reboot_notifier(&gdth_notifier); #endif } } 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"); case GDT3A_ID: return("GDT3000A/3020A/3050A"); case GDT3B_ID: return("GDT3000B/3010A"); } } else if (ha->type == GDT_ISA) { return("GDT2000/2020"); } else if (ha->type == GDT_PCI) { switch (ha->stype) { case PCI_DEVICE_ID_VORTEX_GDT60x0: return("GDT6000/6020/6050"); case PCI_DEVICE_ID_VORTEX_GDT6000B: return("GDT6000B/6010"); } } /* new controllers (GDT_PCINEW, GDT_PCIMPR, ..) use board_info IOCTL! */ return(""); } const char *gdth_info(struct Scsi_Host *shp) { int hanum; gdth_ha_str *ha; TRACE2(("gdth_info()\n")); hanum = NUMDATA(shp)->hanum; ha = HADATA(gdth_ctr_tab[hanum]); return ((const char *)ha->ctr_name); } /* old error handling */ 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 >= 0x02015F /* new error handling */ int gdth_eh_abort(Scsi_Cmnd *scp) { TRACE2(("gdth_eh_abort()\n")); return FAILED; } int gdth_eh_device_reset(Scsi_Cmnd *scp) { TRACE2(("gdth_eh_device_reset()\n")); return FAILED; } int gdth_eh_bus_reset(Scsi_Cmnd *scp) { TRACE2(("gdth_eh_bus_reset()\n")); return FAILED; } int gdth_eh_host_reset(Scsi_Cmnd *scp) { TRACE2(("gdth_eh_host_reset()\n")); return FAILED; } #endif #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 { unchar b, t; int hanum; gdth_ha_str *ha; int drv_hds, drv_secs; hanum = NUMDATA(disk->device->host)->hanum; b = disk->device->channel; t = disk->device->id; TRACE2(("gdth_bios_param() ha %d bus %d target %d\n", hanum, b, t)); ha = HADATA(gdth_ctr_tab[hanum]); if (ha->id[b][t].heads == 0) { /* raw device: evaluate mapping (sectors per head, heads per cylinder) */ if (disk->capacity /HEADS/SECS <= MAXCYLS) { drv_hds = HEADS; drv_secs= SECS; } else if (disk->capacity /MEDHEADS/MEDSECS <= MAXCYLS) { drv_hds = MEDHEADS; drv_secs= MEDSECS; } else { drv_hds = BIGHEADS; drv_secs= BIGSECS; } ha->id[b][t].heads = drv_hds; ha->id[b][t].secs = drv_secs; TRACE2(("gdth_bios_param(): raw device -> params evaluated\n")); } ip[0] = ha->id[b][t].heads; ip[1] = ha->id[b][t].secs; ip[2] = disk->capacity / ip[0] / ip[1]; 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 = 1; 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; } /* flush routine */ static void gdth_flush(int hanum) { int i, j; gdth_ha_str *ha; Scsi_Cmnd scp; Scsi_Device sdev; gdth_cmd_str gdtcmd; char cmnd[12]; TRACE2(("gdth_flush() hanum %d\n",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; 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_flush(): 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; scp.SCp.this_residual = IOCTL_PRI; scsi_do_cmd(&scp, cmnd, &gdtcmd, sizeof(gdth_cmd_str), gdth_scsi_done, 30*HZ, 1); down(&sem); } } } } } /* shutdown routine */ #if LINUX_VERSION_CODE >= 0x020100 static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) #else void gdth_halt(void) #endif { int hanum; Scsi_Cmnd scp; Scsi_Device sdev; gdth_cmd_str gdtcmd; char cmnd[12]; #if LINUX_VERSION_CODE >= 0x020100 TRACE2(("gdth_halt() event %d\n",event)); if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) return NOTIFY_DONE; #else TRACE2(("gdth_halt()\n")); if (halt_called) { TRACE2(("already called\n")); return; } halt_called = TRUE; #endif printk("GDT: Flushing all host drives .. "); for (hanum = 0; hanum < gdth_ctr_count; ++hanum) { gdth_flush(hanum); /* controller reset */ 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; 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; scp.SCp.this_residual = IOCTL_PRI; scsi_do_cmd(&scp, cmnd, &gdtcmd, sizeof(gdth_cmd_str), gdth_scsi_done, 10*HZ, 1); down(&sem); } } printk("Done.\n"); #ifdef GDTH_STATISTICS del_timer(&gdth_timer); #endif #if LINUX_VERSION_CODE >= 0x020100 unregister_reboot_notifier(&gdth_notifier); return NOTIFY_OK; #endif } /* called from init/main.c */ __initfunc (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
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