diff options
Diffstat (limited to 'drivers/char/rio/rioboot.c')
| -rw-r--r-- | drivers/char/rio/rioboot.c | 1360 |
1 files changed, 0 insertions, 1360 deletions
diff --git a/drivers/char/rio/rioboot.c b/drivers/char/rio/rioboot.c deleted file mode 100644 index 34cbb13aad4..00000000000 --- a/drivers/char/rio/rioboot.c +++ /dev/null @@ -1,1360 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * 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 program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : rioboot.c -** SID : 1.3 -** Last Modified : 11/6/98 10:33:36 -** Retrieved : 11/6/98 10:33:48 -** -** ident @(#)rioboot.c 1.3 -** -** ----------------------------------------------------------------------------- -*/ - -#ifdef SCCS_LABELS -static char *_rioboot_c_sccs_ = "@(#)rioboot.c 1.3"; -#endif - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <asm/io.h> -#include <asm/system.h> -#include <asm/string.h> -#include <asm/semaphore.h> - - -#include <linux/termios.h> -#include <linux/serial.h> - -#include <linux/generic_serial.h> - - - -#include "linux_compat.h" -#include "rio_linux.h" -#include "typdef.h" -#include "pkt.h" -#include "daemon.h" -#include "rio.h" -#include "riospace.h" -#include "top.h" -#include "cmdpkt.h" -#include "map.h" -#include "riotypes.h" -#include "rup.h" -#include "port.h" -#include "riodrvr.h" -#include "rioinfo.h" -#include "func.h" -#include "errors.h" -#include "pci.h" - -#include "parmmap.h" -#include "unixrup.h" -#include "board.h" -#include "host.h" -#include "error.h" -#include "phb.h" -#include "link.h" -#include "cmdblk.h" -#include "route.h" - -static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, struct PktCmd *PktCmdP ); - -static uchar -RIOAtVec2Ctrl[] = -{ - /* 0 */ INTERRUPT_DISABLE, - /* 1 */ INTERRUPT_DISABLE, - /* 2 */ INTERRUPT_DISABLE, - /* 3 */ INTERRUPT_DISABLE, - /* 4 */ INTERRUPT_DISABLE, - /* 5 */ INTERRUPT_DISABLE, - /* 6 */ INTERRUPT_DISABLE, - /* 7 */ INTERRUPT_DISABLE, - /* 8 */ INTERRUPT_DISABLE, - /* 9 */ IRQ_9|INTERRUPT_ENABLE, - /* 10 */ INTERRUPT_DISABLE, - /* 11 */ IRQ_11|INTERRUPT_ENABLE, - /* 12 */ IRQ_12|INTERRUPT_ENABLE, - /* 13 */ INTERRUPT_DISABLE, - /* 14 */ INTERRUPT_DISABLE, - /* 15 */ IRQ_15|INTERRUPT_ENABLE -}; - -/* -** Load in the RTA boot code. -*/ -int -RIOBootCodeRTA(p, rbp) -struct rio_info * p; -struct DownLoad * rbp; -{ - int offset; - - func_enter (); - - /* Linux doesn't allow you to disable interrupts during a - "copyin". (Crash when a pagefault occurs). */ - /* disable(oldspl); */ - - rio_dprintk (RIO_DEBUG_BOOT, "Data at user address 0x%x\n",(int)rbp->DataP); - - /* - ** Check that we have set asside enough memory for this - */ - if ( rbp->Count > SIXTY_FOUR_K ) { - rio_dprintk (RIO_DEBUG_BOOT, "RTA Boot Code Too Large!\n"); - p->RIOError.Error = HOST_FILE_TOO_LARGE; - /* restore(oldspl); */ - func_exit (); - return -ENOMEM; - } - - if ( p->RIOBooting ) { - rio_dprintk (RIO_DEBUG_BOOT, "RTA Boot Code : BUSY BUSY BUSY!\n"); - p->RIOError.Error = BOOT_IN_PROGRESS; - /* restore(oldspl); */ - func_exit (); - return -EBUSY; - } - - /* - ** The data we load in must end on a (RTA_BOOT_DATA_SIZE) byte boundary, - ** so calculate how far we have to move the data up the buffer - ** to achieve this. - */ - offset = (RTA_BOOT_DATA_SIZE - (rbp->Count % RTA_BOOT_DATA_SIZE)) % - RTA_BOOT_DATA_SIZE; - - /* - ** Be clean, and clear the 'unused' portion of the boot buffer, - ** because it will (eventually) be part of the Rta run time environment - ** and so should be zeroed. - */ - bzero( (caddr_t)p->RIOBootPackets, offset ); - - /* - ** Copy the data from user space. - */ - - if ( copyin((int)rbp->DataP,((caddr_t)(p->RIOBootPackets))+offset, - rbp->Count) ==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_BOOT, "Bad data copy from user space\n"); - p->RIOError.Error = COPYIN_FAILED; - /* restore(oldspl); */ - func_exit (); - return -EFAULT; - } - - /* - ** Make sure that our copy of the size includes that offset we discussed - ** earlier. - */ - p->RIONumBootPkts = (rbp->Count+offset)/RTA_BOOT_DATA_SIZE; - p->RIOBootCount = rbp->Count; - - /* restore(oldspl); */ - func_exit(); - return 0; -} - -void rio_start_card_running (struct Host * HostP) -{ - func_enter (); - - switch ( HostP->Type ) { - case RIO_AT: - rio_dprintk (RIO_DEBUG_BOOT, "Start ISA card running\n"); - WBYTE(HostP->Control, - BOOT_FROM_RAM | EXTERNAL_BUS_ON - | HostP->Mode - | RIOAtVec2Ctrl[HostP->Ivec & 0xF] ); - break; - -#ifdef FUTURE_RELEASE - case RIO_MCA: - /* - ** MCA handles IRQ vectors differently, so we don't write - ** them to this register. - */ - rio_dprintk (RIO_DEBUG_BOOT, "Start MCA card running\n"); - WBYTE(HostP->Control, McaTpBootFromRam | McaTpBusEnable | HostP->Mode); - break; - - case RIO_EISA: - /* - ** EISA is totally different and expects OUTBZs to turn it on. - */ - rio_dprintk (RIO_DEBUG_BOOT, "Start EISA card running\n"); - OUTBZ( HostP->Slot, EISA_CONTROL_PORT, HostP->Mode | RIOEisaVec2Ctrl[HostP->Ivec] | EISA_TP_RUN | EISA_TP_BUS_ENABLE | EISA_TP_BOOT_FROM_RAM ); - break; -#endif - - case RIO_PCI: - /* - ** PCI is much the same as MCA. Everything is once again memory - ** mapped, so we are writing to memory registers instead of io - ** ports. - */ - rio_dprintk (RIO_DEBUG_BOOT, "Start PCI card running\n"); - WBYTE(HostP->Control, PCITpBootFromRam | PCITpBusEnable | HostP->Mode); - break; - default: - rio_dprintk (RIO_DEBUG_BOOT, "Unknown host type %d\n", HostP->Type); - break; - } -/* - printk (KERN_INFO "Done with starting the card\n"); - func_exit (); -*/ - return; -} - -/* -** Load in the host boot code - load it directly onto all halted hosts -** of the correct type. -** -** Put your rubber pants on before messing with this code - even the magic -** numbers have trouble understanding what they are doing here. -*/ -int -RIOBootCodeHOST(p, rbp) -struct rio_info * p; -register struct DownLoad *rbp; -{ - register struct Host *HostP; - register caddr_t Cad; - register PARM_MAP *ParmMapP; - register int RupN; - int PortN; - uint host; - caddr_t StartP; - BYTE *DestP; - int wait_count; - ushort OldParmMap; - ushort offset; /* It is very important that this is a ushort */ - /* uint byte; */ - caddr_t DownCode = NULL; - unsigned long flags; - - HostP = NULL; /* Assure the compiler we've initialized it */ - for ( host=0; host<p->RIONumHosts; host++ ) { - rio_dprintk (RIO_DEBUG_BOOT, "Attempt to boot host %d\n",host); - HostP = &p->RIOHosts[host]; - - rio_dprintk (RIO_DEBUG_BOOT, "Host Type = 0x%x, Mode = 0x%x, IVec = 0x%x\n", - HostP->Type, HostP->Mode, HostP->Ivec); - - - if ( (HostP->Flags & RUN_STATE) != RC_WAITING ) { - rio_dprintk (RIO_DEBUG_BOOT, "%s %d already running\n","Host",host); - continue; - } - - /* - ** Grab a 32 bit pointer to the card. - */ - Cad = HostP->Caddr; - - /* - ** We are going to (try) and load in rbp->Count bytes. - ** The last byte will reside at p->RIOConf.HostLoadBase-1; - ** Therefore, we need to start copying at address - ** (caddr+p->RIOConf.HostLoadBase-rbp->Count) - */ - StartP = (caddr_t)&Cad[p->RIOConf.HostLoadBase-rbp->Count]; - - rio_dprintk (RIO_DEBUG_BOOT, "kernel virtual address for host is 0x%x\n", (int)Cad ); - rio_dprintk (RIO_DEBUG_BOOT, "kernel virtual address for download is 0x%x\n", (int)StartP); - rio_dprintk (RIO_DEBUG_BOOT, "host loadbase is 0x%x\n",p->RIOConf.HostLoadBase); - rio_dprintk (RIO_DEBUG_BOOT, "size of download is 0x%x\n", rbp->Count); - - if ( p->RIOConf.HostLoadBase < rbp->Count ) { - rio_dprintk (RIO_DEBUG_BOOT, "Bin too large\n"); - p->RIOError.Error = HOST_FILE_TOO_LARGE; - func_exit (); - return -EFBIG; - } - /* - ** Ensure that the host really is stopped. - ** Disable it's external bus & twang its reset line. - */ - RIOHostReset( HostP->Type, (struct DpRam *)HostP->CardP, HostP->Slot ); - - /* - ** Copy the data directly from user space to the SRAM. - ** This ain't going to be none too clever if the download - ** code is bigger than this segment. - */ - rio_dprintk (RIO_DEBUG_BOOT, "Copy in code\n"); - - /* - ** PCI hostcard can't cope with 32 bit accesses and so need to copy - ** data to a local buffer, and then dripfeed the card. - */ - if ( HostP->Type == RIO_PCI ) { - /* int offset; */ - - DownCode = sysbrk(rbp->Count); - if ( !DownCode ) { - rio_dprintk (RIO_DEBUG_BOOT, "No system memory available\n"); - p->RIOError.Error = NOT_ENOUGH_CORE_FOR_PCI_COPY; - func_exit (); - return -ENOMEM; - } - bzero(DownCode, rbp->Count); - - if ( copyin((int)rbp->DataP,DownCode,rbp->Count)==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_BOOT, "Bad copyin of host data\n"); - sysfree( DownCode, rbp->Count ); - p->RIOError.Error = COPYIN_FAILED; - func_exit (); - return -EFAULT; - } - - HostP->Copy( DownCode, StartP, rbp->Count ); - - sysfree( DownCode, rbp->Count ); - } - else if ( copyin((int)rbp->DataP,StartP,rbp->Count)==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_BOOT, "Bad copyin of host data\n"); - p->RIOError.Error = COPYIN_FAILED; - func_exit (); - return -EFAULT; - } - - rio_dprintk (RIO_DEBUG_BOOT, "Copy completed\n"); - - /* - ** S T O P ! - ** - ** Upto this point the code has been fairly rational, and possibly - ** even straight forward. What follows is a pile of crud that will - ** magically turn into six bytes of transputer assembler. Normally - ** you would expect an array or something, but, being me, I have - ** chosen [been told] to use a technique whereby the startup code - ** will be correct if we change the loadbase for the code. Which - ** brings us onto another issue - the loadbase is the *end* of the - ** code, not the start. - ** - ** If I were you I wouldn't start from here. - */ - - /* - ** We now need to insert a short boot section into - ** the memory at the end of Sram2. This is normally (de)composed - ** of the last eight bytes of the download code. The - ** download has been assembled/compiled to expect to be - ** loaded from 0x7FFF downwards. We have loaded it - ** at some other address. The startup code goes into the small - ** ram window at Sram2, in the last 8 bytes, which are really - ** at addresses 0x7FF8-0x7FFF. - ** - ** If the loadbase is, say, 0x7C00, then we need to branch to - ** address 0x7BFE to run the host.bin startup code. We assemble - ** this jump manually. - ** - ** The two byte sequence 60 08 is loaded into memory at address - ** 0x7FFE,F. This is a local branch to location 0x7FF8 (60 is nfix 0, - ** which adds '0' to the .O register, complements .O, and then shifts - ** it left by 4 bit positions, 08 is a jump .O+8 instruction. This will - ** add 8 to .O (which was 0xFFF0), and will branch RELATIVE to the new - ** location. Now, the branch starts from the value of .PC (or .IP or - ** whatever the bloody register is called on this chip), and the .PC - ** will be pointing to the location AFTER the branch, in this case - ** .PC == 0x8000, so the branch will be to 0x8000+0xFFF8 = 0x7FF8. - ** - ** A long branch is coded at 0x7FF8. This consists of loading a four - ** byte offset into .O using nfix (as above) and pfix operators. The - ** pfix operates in exactly the same way as the nfix operator, but - ** without the complement operation. The offset, of course, must be - ** relative to the address of the byte AFTER the branch instruction, - ** which will be (urm) 0x7FFC, so, our final destination of the branch - ** (loadbase-2), has to be reached from here. Imagine that the loadbase - ** is 0x7C00 (which it is), then we will need to branch to 0x7BFE (which - ** is the first byte of the initial two byte short local branch of the - ** download code). - ** - ** To code a jump from 0x7FFC (which is where the branch will start - ** from) to 0x7BFE, we will need to branch 0xFC02 bytes (0x7FFC+0xFC02)= - ** 0x7BFE. - ** This will be coded as four bytes: - ** 60 2C 20 02 - ** being nfix .O+0 - ** pfix .O+C - ** pfix .O+0 - ** jump .O+2 - ** - ** The nfix operator is used, so that the startup code will be - ** compatible with the whole Tp family. (lies, damn lies, it'll never - ** work in a month of Sundays). - ** - ** The nfix nyble is the 1s complement of the nyble value you - ** want to load - in this case we wanted 'F' so we nfix loaded '0'. - */ - - - /* - ** Dest points to the top 8 bytes of Sram2. The Tp jumps - ** to 0x7FFE at reset time, and starts executing. This is - ** a short branch to 0x7FF8, where a long branch is coded. - */ - - DestP = (BYTE *)&Cad[0x7FF8]; /* <<<---- READ THE ABOVE COMMENTS */ - -#define NFIX(N) (0x60 | (N)) /* .O = (~(.O + N))<<4 */ -#define PFIX(N) (0x20 | (N)) /* .O = (.O + N)<<4 */ -#define JUMP(N) (0x00 | (N)) /* .PC = .PC + .O */ - - /* - ** 0x7FFC is the address of the location following the last byte of - ** the four byte jump instruction. - ** READ THE ABOVE COMMENTS - ** - ** offset is (TO-FROM) % MEMSIZE, but with compound buggering about. - ** Memsize is 64K for this range of Tp, so offset is a short (unsigned, - ** cos I don't understand 2's complement). - */ - offset = (p->RIOConf.HostLoadBase-2)-0x7FFC; - WBYTE( DestP[0] , NFIX(((ushort)(~offset) >> (ushort)12) & 0xF) ); - WBYTE( DestP[1] , PFIX(( offset >> 8) & 0xF) ); - WBYTE( DestP[2] , PFIX(( offset >> 4) & 0xF) ); - WBYTE( DestP[3] , JUMP( offset & 0xF) ); - - WBYTE( DestP[6] , NFIX(0) ); - WBYTE( DestP[7] , JUMP(8) ); - - rio_dprintk (RIO_DEBUG_BOOT, "host loadbase is 0x%x\n",p->RIOConf.HostLoadBase); - rio_dprintk (RIO_DEBUG_BOOT, "startup offset is 0x%x\n",offset); - - /* - ** Flag what is going on - */ - HostP->Flags &= ~RUN_STATE; - HostP->Flags |= RC_STARTUP; - - /* - ** Grab a copy of the current ParmMap pointer, so we - ** can tell when it has changed. - */ - OldParmMap = RWORD(HostP->__ParmMapR); - - rio_dprintk (RIO_DEBUG_BOOT, "Original parmmap is 0x%x\n",OldParmMap); - - /* - ** And start it running (I hope). - ** As there is nothing dodgy or obscure about the - ** above code, this is guaranteed to work every time. - */ - rio_dprintk (RIO_DEBUG_BOOT, "Host Type = 0x%x, Mode = 0x%x, IVec = 0x%x\n", - HostP->Type, HostP->Mode, HostP->Ivec); - - rio_start_card_running(HostP); - - rio_dprintk (RIO_DEBUG_BOOT, "Set control port\n"); - - /* - ** Now, wait for upto five seconds for the Tp to setup the parmmap - ** pointer: - */ - for ( wait_count=0; (wait_count<p->RIOConf.StartupTime)&& - (RWORD(HostP->__ParmMapR)==OldParmMap); wait_count++ ) { - rio_dprintk (RIO_DEBUG_BOOT, "Checkout %d, 0x%x\n",wait_count,RWORD(HostP->__ParmMapR)); - delay(HostP, HUNDRED_MS); - - } - - /* - ** If the parmmap pointer is unchanged, then the host code - ** has crashed & burned in a really spectacular way - */ - if ( RWORD(HostP->__ParmMapR) == OldParmMap ) { - rio_dprintk (RIO_DEBUG_BOOT, "parmmap 0x%x\n", RWORD(HostP->__ParmMapR)); - rio_dprintk (RIO_DEBUG_BOOT, "RIO Mesg Run Fail\n"); - -#define HOST_DISABLE \ - HostP->Flags &= ~RUN_STATE; \ - HostP->Flags |= RC_STUFFED; \ - RIOHostReset( HostP->Type, (struct DpRam *)HostP->CardP, HostP->Slot );\ - continue - - HOST_DISABLE; - } - - rio_dprintk (RIO_DEBUG_BOOT, "Running 0x%x\n", RWORD(HostP->__ParmMapR)); - - /* - ** Well, the board thought it was OK, and setup its parmmap - ** pointer. For the time being, we will pretend that this - ** board is running, and check out what the error flag says. - */ - - /* - ** Grab a 32 bit pointer to the parmmap structure - */ - ParmMapP = (PARM_MAP *)RIO_PTR(Cad,RWORD(HostP->__ParmMapR)); - rio_dprintk (RIO_DEBUG_BOOT, "ParmMapP : %x\n", (int)ParmMapP); - ParmMapP = (PARM_MAP *)((unsigned long)Cad + - (unsigned long)((RWORD((HostP->__ParmMapR))) & 0xFFFF)); - rio_dprintk (RIO_DEBUG_BOOT, "ParmMapP : %x\n", (int)ParmMapP); - - /* - ** The links entry should be 0xFFFF; we set it up - ** with a mask to say how many PHBs to use, and - ** which links to use. - */ - if ( (RWORD(ParmMapP->links) & 0xFFFF) != 0xFFFF ) { - rio_dprintk (RIO_DEBUG_BOOT, "RIO Mesg Run Fail %s\n", HostP->Name); - rio_dprintk (RIO_DEBUG_BOOT, "Links = 0x%x\n",RWORD(ParmMapP->links)); - HOST_DISABLE; - } - - WWORD(ParmMapP->links , RIO_LINK_ENABLE); - - /* - ** now wait for the card to set all the parmmap->XXX stuff - ** this is a wait of upto two seconds.... - */ - rio_dprintk (RIO_DEBUG_BOOT, "Looking for init_done - %d ticks\n",p->RIOConf.StartupTime); - HostP->timeout_id = 0; - for ( wait_count=0; (wait_count<p->RIOConf.StartupTime) && - !RWORD(ParmMapP->init_done); wait_count++ ) { - rio_dprintk (RIO_DEBUG_BOOT, "Waiting for init_done\n"); - delay(HostP, HUNDRED_MS); - } - rio_dprintk (RIO_DEBUG_BOOT, "OK! init_done!\n"); - - if (RWORD(ParmMapP->error) != E_NO_ERROR || - !RWORD(ParmMapP->init_done) ) { - rio_dprintk (RIO_DEBUG_BOOT, "RIO Mesg Run Fail %s\n", HostP->Name); - rio_dprintk (RIO_DEBUG_BOOT, "Timedout waiting for init_done\n"); - HOST_DISABLE; - } - - rio_dprintk (RIO_DEBUG_BOOT, "Got init_done\n"); - - /* - ** It runs! It runs! - */ - rio_dprintk (RIO_DEBUG_BOOT, "Host ID %x Running\n",HostP->UniqueNum); - - /* - ** set the time period between interrupts. - */ - WWORD(ParmMapP->timer, (short)p->RIOConf.Timer ); - - /* - ** Translate all the 16 bit pointers in the __ParmMapR into - ** 32 bit pointers for the driver. - */ - HostP->ParmMapP = ParmMapP; - HostP->PhbP = (PHB*)RIO_PTR(Cad,RWORD(ParmMapP->phb_ptr)); - HostP->RupP = (RUP*)RIO_PTR(Cad,RWORD(ParmMapP->rups)); - HostP->PhbNumP = (ushort*)RIO_PTR(Cad,RWORD(ParmMapP->phb_num_ptr)); - HostP->LinkStrP = (LPB*)RIO_PTR(Cad,RWORD(ParmMapP->link_str_ptr)); - - /* - ** point the UnixRups at the real Rups - */ - for ( RupN = 0; RupN<MAX_RUP; RupN++ ) { - HostP->UnixRups[RupN].RupP = &HostP->RupP[RupN]; - HostP->UnixRups[RupN].Id = RupN+1; - HostP->UnixRups[RupN].BaseSysPort = NO_PORT; - spin_lock_init(&HostP->UnixRups[RupN].RupLock); - } - - for ( RupN = 0; RupN<LINKS_PER_UNIT; RupN++ ) { - HostP->UnixRups[RupN+MAX_RUP].RupP = &HostP->LinkStrP[RupN].rup; - HostP->UnixRups[RupN+MAX_RUP].Id = 0; - HostP->UnixRups[RupN+MAX_RUP].BaseSysPort = NO_PORT; - spin_lock_init(&HostP->UnixRups[RupN+MAX_RUP].RupLock); - } - - /* - ** point the PortP->Phbs at the real Phbs - */ - for ( PortN=p->RIOFirstPortsMapped; - PortN<p->RIOLastPortsMapped+PORTS_PER_RTA; PortN++ ) { - if ( p->RIOPortp[PortN]->HostP == HostP ) { - struct Port *PortP = p->RIOPortp[PortN]; - struct PHB *PhbP; - /* int oldspl; */ - - if ( !PortP->Mapped ) - continue; - - PhbP = &HostP->PhbP[PortP->HostPort]; - rio_spin_lock_irqsave(&PortP->portSem, flags); - - PortP->PhbP = PhbP; - - PortP->TxAdd = (WORD *)RIO_PTR(Cad,RWORD(PhbP->tx_add)); - PortP->TxStart = (WORD *)RIO_PTR(Cad,RWORD(PhbP->tx_start)); - PortP->TxEnd = (WORD *)RIO_PTR(Cad,RWORD(PhbP->tx_end)); - PortP->RxRemove = (WORD *)RIO_PTR(Cad,RWORD(PhbP->rx_remove)); - PortP->RxStart = (WORD *)RIO_PTR(Cad,RWORD(PhbP->rx_start)); - PortP->RxEnd = (WORD *)RIO_PTR(Cad,RWORD(PhbP->rx_end)); - - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - /* - ** point the UnixRup at the base SysPort - */ - if ( !(PortN % PORTS_PER_RTA) ) - HostP->UnixRups[PortP->RupNum].BaseSysPort = PortN; - } - } - - rio_dprintk (RIO_DEBUG_BOOT, "Set the card running... \n"); - /* - ** last thing - show the world that everything is in place - */ - HostP->Flags &= ~RUN_STATE; - HostP->Flags |= RC_RUNNING; - } - /* - ** MPX always uses a poller. This is actually patched into the system - ** configuration and called directly from each clock tick. - ** - */ - p->RIOPolling = 1; - - p->RIOSystemUp++; - - rio_dprintk (RIO_DEBUG_BOOT, "Done everything %x\n", HostP->Ivec); - func_exit (); - return 0; -} - - - -/* -** Boot an RTA. If we have successfully processed this boot, then -** return 1. If we havent, then return 0. -*/ -int -RIOBootRup( p, Rup, HostP, PacketP) -struct rio_info * p; -uint Rup; -struct Host *HostP; -struct PKT *PacketP; -{ - struct PktCmd *PktCmdP = (struct PktCmd *)PacketP->data; - struct PktCmd_M *PktReplyP; - struct CmdBlk *CmdBlkP; - uint sequence; - -#ifdef CHECK - CheckHost(Host); - CheckRup(Rup); - CheckHostP(HostP); - CheckPacketP(PacketP); -#endif - - /* - ** If we haven't been told what to boot, we can't boot it. - */ - if ( p->RIONumBootPkts == 0 ) { - rio_dprintk (RIO_DEBUG_BOOT, "No RTA code to download yet\n"); - return 0; - } - - /* rio_dprint(RIO_DEBUG_BOOT, NULL,DBG_BOOT,"Incoming command packet\n"); */ - /* ShowPacket( DBG_BOOT, PacketP ); */ - - /* - ** Special case of boot completed - if we get one of these then we - ** don't need a command block. For all other cases we do, so handle - ** this first and then get a command block, then handle every other - ** case, relinquishing the command block if disaster strikes! - */ - if ( (RBYTE(PacketP->len) & PKT_CMD_BIT) && - (RBYTE(PktCmdP->Command)==BOOT_COMPLETED) ) - return RIOBootComplete(p, HostP, Rup, PktCmdP ); - - /* - ** try to unhook a command block from the command free list. - */ - if ( !(CmdBlkP = RIOGetCmdBlk()) ) { - rio_dprintk (RIO_DEBUG_BOOT, "No command blocks to boot RTA! come back later.\n"); - return 0; - } - - /* - ** Fill in the default info on the command block - */ - CmdBlkP->Packet.dest_unit = Rup < (ushort)MAX_RUP ? Rup : 0; - CmdBlkP->Packet.dest_port = BOOT_RUP; - CmdBlkP->Packet.src_unit = 0; - CmdBlkP->Packet.src_port = BOOT_RUP; - - CmdBlkP->PreFuncP = CmdBlkP->PostFuncP = NULL; - PktReplyP = (struct PktCmd_M *)CmdBlkP->Packet.data; - - /* - ** process COMMANDS on the boot rup! - */ - if ( RBYTE(PacketP->len) & PKT_CMD_BIT ) { - /* - ** We only expect one type of command - a BOOT_REQUEST! - */ - if ( RBYTE(PktCmdP->Command) != BOOT_REQUEST ) { - rio_dprintk (RIO_DEBUG_BOOT, "Unexpected command %d on BOOT RUP %d of host %d\n", - PktCmdP->Command,Rup,HostP-p->RIOHosts); - ShowPacket( DBG_BOOT, PacketP ); - RIOFreeCmdBlk( CmdBlkP ); - return 1; - } - - /* - ** Build a Boot Sequence command block - ** - ** 02.03.1999 ARG - ESIL 0820 fix - ** We no longer need to use "Boot Mode", we'll always allow - ** boot requests - the boot will not complete if the device - ** appears in the bindings table. - ** So, this conditional is not required ... - ** - if (p->RIOBootMode == RC_BOOT_NONE) - ** - ** If the system is in slave mode, and a boot request is - ** received, set command to BOOT_ABORT so that the boot - ** will not complete. - ** - PktReplyP->Command = BOOT_ABORT; - else - ** - ** We'll just (always) set the command field in packet reply - ** to allow an attempted boot sequence : - */ - PktReplyP->Command = BOOT_SEQUENCE; - - PktReplyP->BootSequence.NumPackets = p->RIONumBootPkts; - PktReplyP->BootSequence.LoadBase = p->RIOConf.RtaLoadBase; - PktReplyP->BootSequence.CodeSize = p->RIOBootCount; - - CmdBlkP->Packet.len = BOOT_SEQUENCE_LEN | PKT_CMD_BIT; - - bcopy("BOOT",(void *)&CmdBlkP->Packet.data[BOOT_SEQUENCE_LEN],4); - - rio_dprintk (RIO_DEBUG_BOOT, "Boot RTA on Host %d Rup %d - %d (0x%x) packets to 0x%x\n", - HostP-p->RIOHosts, Rup, p->RIONumBootPkts, p->RIONumBootPkts, - p->RIOConf.RtaLoadBase); - - /* - ** If this host is in slave mode, send the RTA an invalid boot - ** sequence command block to force it to kill the boot. We wait - ** for half a second before sending this packet to prevent the RTA - ** attempting to boot too often. The master host should then grab - ** the RTA and make it its own. - */ - p->RIOBooting++; - RIOQueueCmdBlk( HostP, Rup, CmdBlkP ); - return 1; - } - - /* - ** It is a request for boot data. - */ - sequence = RWORD(PktCmdP->Sequence); - - rio_dprintk (RIO_DEBUG_BOOT, "Boot block %d on Host %d Rup%d\n",sequence,HostP-p->RIOHosts,Rup); - - if ( sequence >= p->RIONumBootPkts ) { - rio_dprintk (RIO_DEBUG_BOOT, "Got a request for packet %d, max is %d\n", sequence, - p->RIONumBootPkts); - ShowPacket( DBG_BOOT, PacketP ); - } - - PktReplyP->Sequence = sequence; - - bcopy( p->RIOBootPackets[ p->RIONumBootPkts - sequence - 1 ], - PktReplyP->BootData, RTA_BOOT_DATA_SIZE ); - - CmdBlkP->Packet.len = PKT_MAX_DATA_LEN; - ShowPacket( DBG_BOOT, &CmdBlkP->Packet ); - RIOQueueCmdBlk( HostP, Rup, CmdBlkP ); - return 1; -} - -/* -** This function is called when an RTA been booted. -** If booted by a host, HostP->HostUniqueNum is the booting host. -** If booted by an RTA, HostP->Mapping[Rup].RtaUniqueNum is the booting RTA. -** RtaUniq is the booted RTA. -*/ -static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, struct PktCmd *PktCmdP ) -{ - struct Map *MapP = NULL; - struct Map *MapP2 = NULL; - int Flag; - int found; - int host, rta; - int EmptySlot = -1; - int entry, entry2; - char *MyType, *MyName; - uint MyLink; - ushort RtaType; - uint RtaUniq = (RBYTE(PktCmdP->UniqNum[0])) + - (RBYTE(PktCmdP->UniqNum[1]) << 8) + - (RBYTE(PktCmdP->UniqNum[2]) << 16) + - (RBYTE(PktCmdP->UniqNum[3]) << 24); - - /* Was RIOBooting-- . That's bad. If an RTA sends two of them, the - driver will never think that the RTA has booted... -- REW */ - p->RIOBooting = 0; - - rio_dprintk (RIO_DEBUG_BOOT, "RTA Boot completed - BootInProgress now %d\n", p->RIOBooting); - - /* - ** Determine type of unit (16/8 port RTA). - */ - RtaType = GetUnitType(RtaUniq); - if ( Rup >= (ushort)MAX_RUP ) { - rio_dprintk (RIO_DEBUG_BOOT, "RIO: Host %s has booted an RTA(%d) on link %c\n", - HostP->Name, 8 * RtaType, RBYTE(PktCmdP->LinkNum)+'A'); - } else { - rio_dprintk (RIO_DEBUG_BOOT, "RIO: RTA %s has booted an RTA(%d) on link %c\n", - HostP->Mapping[Rup].Name, 8 * RtaType, - RBYTE(PktCmdP->LinkNum)+'A'); - } - - rio_dprintk (RIO_DEBUG_BOOT, "UniqNum is 0x%x\n",RtaUniq); - - if ( ( RtaUniq == 0x00000000 ) || ( RtaUniq == 0xffffffff ) ) - { - rio_dprintk (RIO_DEBUG_BOOT, "Illegal RTA Uniq Number\n"); - return TRUE; - } - - /* - ** If this RTA has just booted an RTA which doesn't belong to this - ** system, or the system is in slave mode, do not attempt to create - ** a new table entry for it. - */ - if (!RIOBootOk(p, HostP, RtaUniq)) - { - MyLink = RBYTE(PktCmdP->LinkNum); - if (Rup < (ushort) MAX_RUP) - { - /* - ** RtaUniq was clone booted (by this RTA). Instruct this RTA - ** to hold off further attempts to boot on this link for 30 - ** seconds. - */ - if (RIOSuspendBootRta(HostP, HostP->Mapping[Rup].ID, MyLink)) - { - rio_dprintk (RIO_DEBUG_BOOT, "RTA failed to suspend booting on link %c\n", - 'A' + MyLink); - } - } - else - { - /* - ** RtaUniq was booted by this host. Set the booting link - ** to hold off for 30 seconds to give another unit a - ** chance to boot it. - */ - WWORD(HostP->LinkStrP[MyLink].WaitNoBoot, 30); - } - rio_dprintk (RIO_DEBUG_BOOT, "RTA %x not owned - suspend booting down link %c on unit %x\n", - RtaUniq, 'A' + MyLink, HostP->Mapping[Rup].RtaUniqueNum); - return TRUE; - } - - /* - ** Check for a SLOT_IN_USE entry for this RTA attached to the - ** current host card in the driver table. - ** - ** If it exists, make a note that we have booted it. Other parts of - ** the driver are interested in this information at a later date, - ** in particular when the booting RTA asks for an ID for this unit, - ** we must have set the BOOTED flag, and the NEWBOOT flag is used - ** to force an open on any ports that where previously open on this - ** unit. - */ - for ( entry=0; entry<MAX_RUP; entry++ ) - { - uint sysport; - - if ((HostP->Mapping[entry].Flags & SLOT_IN_USE) && - (HostP->Mapping[entry].RtaUniqueNum==RtaUniq)) - { - HostP->Mapping[entry].Flags |= RTA_BOOTED|RTA_NEWBOOT; -#ifdef NEED_TO_FIX - RIO_SV_BROADCAST(HostP->svFlags[entry]); -#endif - if ( (sysport=HostP->Mapping[entry].SysPort) != NO_PORT ) - { - if ( sysport < p->RIOFirstPortsBooted ) - p->RIOFirstPortsBooted = sysport; - if ( sysport > p->RIOLastPortsBooted ) - p->RIOLastPortsBooted = sysport; - /* - ** For a 16 port RTA, check the second bank of 8 ports - */ - if (RtaType == TYPE_RTA16) - { - entry2 = HostP->Mapping[entry].ID2 - 1; - HostP->Mapping[entry2].Flags |= RTA_BOOTED|RTA_NEWBOOT; -#ifdef NEED_TO_FIX - RIO_SV_BROADCAST(HostP->svFlags[entry2]); -#endif - sysport = HostP->Mapping[entry2].SysPort; - if ( sysport < p->RIOFirstPortsBooted ) - p->RIOFirstPortsBooted = sysport; - if ( sysport > p->RIOLastPortsBooted ) - p->RIOLastPortsBooted = sysport; - } - } - if (RtaType == TYPE_RTA16) { - rio_dprintk (RIO_DEBUG_BOOT, "RTA will be given IDs %d+%d\n", - entry+1, entry2+1); - } else { - rio_dprintk (RIO_DEBUG_BOOT, "RTA will be given ID %d\n",entry+1); - } - return TRUE; - } - } - - rio_dprintk (RIO_DEBUG_BOOT, "RTA not configured for this host\n"); - - if ( Rup >= (ushort)MAX_RUP ) - { - /* - ** It was a host that did the booting - */ - MyType = "Host"; - MyName = HostP->Name; - } - else - { - /* - ** It was an RTA that did the booting - */ - MyType = "RTA"; - MyName = HostP->Mapping[Rup].Name; - } -#ifdef CHECK - CheckString(MyType); - CheckString(MyName); -#endif - - MyLink = RBYTE(PktCmdP->LinkNum); - - /* - ** There is no SLOT_IN_USE entry for this RTA attached to the current - ** host card in the driver table. - ** - ** Check for a SLOT_TENTATIVE entry for this RTA attached to the - ** current host card in the driver table. - ** - ** If we find one, then we re-use that slot. - */ - for ( entry=0; entry<MAX_RUP; entry++ ) - { - if ( (HostP->Mapping[entry].Flags & SLOT_TENTATIVE) && - (HostP->Mapping[entry].RtaUniqueNum == RtaUniq) ) - { - if (RtaType == TYPE_RTA16) - { - entry2 = HostP->Mapping[entry].ID2 - 1; - if ( (HostP->Mapping[entry2].Flags & SLOT_TENTATIVE) && - (HostP->Mapping[entry2].RtaUniqueNum == RtaUniq) ) - rio_dprintk (RIO_DEBUG_BOOT, "Found previous tentative slots (%d+%d)\n", - entry, entry2); - else - continue; - } - else - rio_dprintk (RIO_DEBUG_BOOT, "Found previous tentative slot (%d)\n",entry); - if (! p->RIONoMessage) - cprintf("RTA connected to %s '%s' (%c) not configured.\n",MyType,MyName,MyLink+'A'); - return TRUE; - } - } - - /* - ** There is no SLOT_IN_USE or SLOT_TENTATIVE entry for this RTA - ** attached to the current host card in the driver table. - ** - ** Check if there is a SLOT_IN_USE or SLOT_TENTATIVE entry on another - ** host for this RTA in the driver table. - ** - ** For a SLOT_IN_USE entry on another host, we need to delete the RTA - ** entry from the other host and add it to this host (using some of - ** the functions from table.c which do this). - ** For a SLOT_TENTATIVE entry on another host, we must cope with the - ** following scenario: - ** - ** + Plug 8 port RTA into host A. (This creates SLOT_TENTATIVE entry - ** in table) - ** + Unplug RTA and plug into host B. (We now have 2 SLOT_TENTATIVE - ** entries) - ** + Configure RTA on host B. (This slot now becomes SLOT_IN_USE) - ** + Unplug RTA and plug back into host A. - ** + Configure RTA on host A. We now have the same RTA configured - ** with different ports on two different hosts. - */ - rio_dprintk (RIO_DEBUG_BOOT, "Have we seen RTA %x before?\n", RtaUniq ); - found = 0; - Flag = 0; /* Convince the compiler this variable is initialized */ - for ( host = 0; !found && (host < p->RIONumHosts); host++ ) - { - for ( rta=0; rta<MAX_RUP; rta++ ) - { - if ((p->RIOHosts[host].Mapping[rta].Flags & - (SLOT_IN_USE | SLOT_TENTATIVE)) && - (p->RIOHosts[host].Mapping[rta].RtaUniqueNum==RtaUniq)) - { - Flag = p->RIOHosts[host].Mapping[rta].Flags; - MapP = &p->RIOHosts[host].Mapping[rta]; - if (RtaType == TYPE_RTA16) - { - MapP2 = &p->RIOHosts[host].Mapping[MapP->ID2 - 1]; - rio_dprintk (RIO_DEBUG_BOOT, "This RTA is units %d+%d from host %s\n", - rta+1, MapP->ID2, p->RIOHosts[host].Name); - } - else - rio_dprintk (RIO_DEBUG_BOOT, "This RTA is unit %d from host %s\n", - rta+1, p->RIOHosts[host].Name); - found = 1; - break; - } - } - } - - /* - ** There is no SLOT_IN_USE or SLOT_TENTATIVE entry for this RTA - ** attached to the current host card in the driver table. - ** - ** If we have not found a SLOT_IN_USE or SLOT_TENTATIVE entry on - ** another host for this RTA in the driver table... - ** - ** Check for a SLOT_IN_USE entry for this RTA in the config table. - */ - if ( !MapP ) - { - rio_dprintk (RIO_DEBUG_BOOT, "Look for RTA %x in RIOSavedTable\n",RtaUniq); - for ( rta=0; rta < TOTAL_MAP_ENTRIES; rta++ ) - { - rio_dprintk (RIO_DEBUG_BOOT, "Check table entry %d (%x)", - rta, - p->RIOSavedTable[rta].RtaUniqueNum); - - if ( (p->RIOSavedTable[rta].Flags & SLOT_IN_USE) && - (p->RIOSavedTable[rta].RtaUniqueNum == RtaUniq) ) - { - MapP = &p->RIOSavedTable[rta]; - Flag = p->RIOSavedTable[rta].Flags; - if (RtaType == TYPE_RTA16) - { - for (entry2 = rta + 1; entry2 < TOTAL_MAP_ENTRIES; - entry2++) - { - if (p->RIOSavedTable[entry2].RtaUniqueNum == RtaUniq) - break; - } - MapP2 = &p->RIOSavedTable[entry2]; - rio_dprintk (RIO_DEBUG_BOOT, "This RTA is from table entries %d+%d\n", - rta, entry2); - } - else - rio_dprintk (RIO_DEBUG_BOOT, "This RTA is from table entry %d\n", rta); - break; - } - } - } - - /* - ** There is no SLOT_IN_USE or SLOT_TENTATIVE entry for this RTA - ** attached to the current host card in the driver table. - ** - ** We may have found a SLOT_IN_USE entry on another host for this - ** RTA in the config table, or a SLOT_IN_USE or SLOT_TENTATIVE entry - ** on another host for this RTA in the driver table. - ** - ** Check the driver table for room to fit this newly discovered RTA. - ** RIOFindFreeID() first looks for free slots and if it does not - ** find any free slots it will then attempt to oust any - ** tentative entry in the table. - */ - EmptySlot = 1; - if (RtaType == TYPE_RTA16) - { - if (RIOFindFreeID(p, HostP, &entry, &entry2) == 0) - { - RIODefaultName(p, HostP, entry); - FillSlot(entry, entry2, RtaUniq, HostP); - EmptySlot = 0; - } - } - else - { - if (RIOFindFreeID(p, HostP, &entry, NULL) == 0) - { - RIODefaultName(p, HostP, entry); - FillSlot(entry, 0, RtaUniq, HostP); - EmptySlot = 0; - } - } - - /* - ** There is no SLOT_IN_USE or SLOT_TENTATIVE entry for this RTA - ** attached to the current host card in the driver table. - ** - ** If we found a SLOT_IN_USE entry on another host for this - ** RTA in the config or driver table, and there are enough free - ** slots in the driver table, then we need to move it over and - ** delete it from the other host. - ** If we found a SLOT_TENTATIVE entry on another host for this - ** RTA in the driver table, just delete the other host entry. - */ - if (EmptySlot == 0) - { - if ( MapP ) - { - if (Flag & SLOT_IN_USE) - { - rio_dprintk (RIO_DEBUG_BOOT, - "This RTA configured on another host - move entry to current host (1)\n"); - HostP->Mapping[entry].SysPort = MapP->SysPort; - CCOPY( MapP->Name, HostP->Mapping[entry].Name, MAX_NAME_LEN ); - HostP->Mapping[entry].Flags = - SLOT_IN_USE | RTA_BOOTED | RTA_NEWBOOT; -#ifdef NEED_TO_FIX - RIO_SV_BROADCAST(HostP->svFlags[entry]); -#endif - RIOReMapPorts( p, HostP, &HostP->Mapping[entry] ); - if ( HostP->Mapping[entry].SysPort < p->RIOFirstPortsBooted ) - p->RIOFirstPortsBooted = HostP->Mapping[entry].SysPort; - if ( HostP->Mapping[entry].SysPort > p->RIOLastPortsBooted ) - p->RIOLastPortsBooted = HostP->Mapping[entry].SysPort; - rio_dprintk (RIO_DEBUG_BOOT, "SysPort %d, Name %s\n",(int)MapP->SysPort,MapP->Name); - } - else - { - rio_dprintk (RIO_DEBUG_BOOT, - "This RTA has a tentative entry on another host - delete that entry (1)\n"); - HostP->Mapping[entry].Flags = - SLOT_TENTATIVE | RTA_BOOTED | RTA_NEWBOOT; -#ifdef NEED_TO_FIX - RIO_SV_BROADCAST(HostP->svFlags[entry]); -#endif - } - if (RtaType == TYPE_RTA16) - { - if (Flag & SLOT_IN_USE) - { - HostP->Mapping[entry2].Flags = SLOT_IN_USE | - RTA_BOOTED | RTA_NEWBOOT | RTA16_SECOND_SLOT; -#ifdef NEED_TO_FIX - RIO_SV_BROADCAST(HostP->svFlags[entry2]); -#endif - HostP->Mapping[entry2].SysPort = MapP2->SysPort; - /* - ** Map second block of ttys for 16 port RTA - */ - RIOReMapPorts( p, HostP, &HostP->Mapping[entry2] ); - if (HostP->Mapping[entry2].SysPort < p->RIOFirstPortsBooted) - p->RIOFirstPortsBooted = HostP->Mapping[entry2].SysPort; - if (HostP->Mapping[entry2].SysPort > p->RIOLastPortsBooted) - p->RIOLastPortsBooted = HostP->Mapping[entry2].SysPort; - rio_dprintk (RIO_DEBUG_BOOT, "SysPort %d, Name %s\n", - (int)HostP->Mapping[entry2].SysPort, - HostP->Mapping[entry].Name); - } - else - HostP->Mapping[entry2].Flags = SLOT_TENTATIVE | - RTA_BOOTED | RTA_NEWBOOT | RTA16_SECOND_SLOT; -#ifdef NEED_TO_FIX - RIO_SV_BROADCAST(HostP->svFlags[entry2]); -#endif - bzero( (caddr_t)MapP2, sizeof(struct Map) ); - } - bzero( (caddr_t)MapP, sizeof(struct Map) ); - if (! p->RIONoMessage) - cprintf("An orphaned RTA has been adopted by %s '%s' (%c).\n",MyType,MyName,MyLink+'A'); - } - else if (! p->RIONoMessage) - cprintf("RTA connected to %s '%s' (%c) not configured.\n",MyType,MyName,MyLink+'A'); - RIOSetChange(p); - return TRUE; - } - - /* - ** There is no room in the driver table to make an entry for the - ** booted RTA. Keep a note of its Uniq Num in the overflow table, - ** so we can ignore it's ID requests. - */ - if (! p->RIONoMessage) - cprintf("The RTA connected to %s '%s' (%c) cannot be configured. You cannot configure more than 128 ports to one host card.\n",MyType,MyName,MyLink+'A'); - for ( entry=0; entry<HostP->NumExtraBooted; entry++ ) - { - if ( HostP->ExtraUnits[entry] == RtaUniq ) - { - /* - ** already got it! - */ - return TRUE; - } - } - /* - ** If there is room, add the unit to the list of extras - */ - if ( HostP->NumExtraBooted < MAX_EXTRA_UNITS ) - HostP->ExtraUnits[HostP->NumExtraBooted++] = RtaUniq; - return TRUE; -} - - -/* -** If the RTA or its host appears in the RIOBindTab[] structure then -** we mustn't boot the RTA and should return FALSE. -** This operation is slightly different from the other drivers for RIO -** in that this is designed to work with the new utilities -** not config.rio and is FAR SIMPLER. -** We no longer support the RIOBootMode variable. It is all done from the -** "boot/noboot" field in the rio.cf file. -*/ -int -RIOBootOk(p, HostP, RtaUniq) -struct rio_info * p; -struct Host * HostP; -ulong RtaUniq; -{ - int Entry; - uint HostUniq = HostP->UniqueNum; - - /* - ** Search bindings table for RTA or its parent. - ** If it exists, return 0, else 1. - */ - for (Entry = 0; - ( Entry < MAX_RTA_BINDINGS ) && ( p->RIOBindTab[Entry] != 0 ); - Entry++) - { - if ( (p->RIOBindTab[Entry] == HostUniq) || - (p->RIOBindTab[Entry] == RtaUniq) ) - return 0; - } - return 1; -} - -/* -** Make an empty slot tentative. If this is a 16 port RTA, make both -** slots tentative, and the second one RTA_SECOND_SLOT as well. -*/ - -void -FillSlot(entry, entry2, RtaUniq, HostP) -int entry; -int entry2; -uint RtaUniq; -struct Host *HostP; -{ - int link; - - rio_dprintk (RIO_DEBUG_BOOT, "FillSlot(%d, %d, 0x%x...)\n", entry, entry2, RtaUniq); - - HostP->Mapping[entry].Flags = (RTA_BOOTED | RTA_NEWBOOT | SLOT_TENTATIVE); - HostP->Mapping[entry].SysPort = NO_PORT; - HostP->Mapping[entry].RtaUniqueNum = RtaUniq; - HostP->Mapping[entry].HostUniqueNum = HostP->UniqueNum; - HostP->Mapping[entry].ID = entry + 1; - HostP->Mapping[entry].ID2 = 0; - if (entry2) { - HostP->Mapping[entry2].Flags = (RTA_BOOTED | RTA_NEWBOOT | - SLOT_TENTATIVE | RTA16_SECOND_SLOT); - HostP->Mapping[entry2].SysPort = NO_PORT; - HostP->Mapping[entry2].RtaUniqueNum = RtaUniq; - HostP->Mapping[entry2].HostUniqueNum = HostP->UniqueNum; - HostP->Mapping[entry2].Name[0] = '\0'; - HostP->Mapping[entry2].ID = entry2 + 1; - HostP->Mapping[entry2].ID2 = entry + 1; - HostP->Mapping[entry].ID2 = entry2 + 1; - } - /* - ** Must set these up, so that utilities show - ** topology of 16 port RTAs correctly - */ - for ( link=0; link<LINKS_PER_UNIT; link++ ) { - HostP->Mapping[entry].Topology[link].Unit = ROUTE_DISCONNECT; - HostP->Mapping[entry].Topology[link].Link = NO_LINK; - if (entry2) { - HostP->Mapping[entry2].Topology[link].Unit = ROUTE_DISCONNECT; - HostP->Mapping[entry2].Topology[link].Link = NO_LINK; - } - } -} - -#if 0 -/* - Function: This function is to disable the disk interrupt - Returns : Nothing -*/ -void -disable_interrupt(vector) -int vector; -{ - int ps; - int val; - - disable(ps); - if (vector > 40) { - val = 1 << (vector - 40); - __outb(S8259+1, __inb(S8259+1) | val); - } - else { - val = 1 << (vector - 32); - __outb(M8259+1, __inb(M8259+1) | val); - } - restore(ps); -} - -/* - Function: This function is to enable the disk interrupt - Returns : Nothing -*/ -void -enable_interrupt(vector) -int vector; -{ - int ps; - int val; - - disable(ps); - if (vector > 40) { - val = 1 << (vector - 40); - val = ~val; - __outb(S8259+1, __inb(S8259+1) & val); - } - else { - val = 1 << (vector - 32); - val = ~val; - __outb(M8259+1, __inb(M8259+1) & val); - } - restore(ps); -} -#endif |