diff options
Diffstat (limited to 'drivers/char/rio/riotable.c')
| -rw-r--r-- | drivers/char/rio/riotable.c | 1044 |
1 files changed, 0 insertions, 1044 deletions
diff --git a/drivers/char/rio/riotable.c b/drivers/char/rio/riotable.c deleted file mode 100644 index e45bc275907..00000000000 --- a/drivers/char/rio/riotable.c +++ /dev/null @@ -1,1044 +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 : riotable.c -** SID : 1.2 -** Last Modified : 11/6/98 10:33:47 -** Retrieved : 11/6/98 10:33:50 -** -** ident @(#)riotable.c 1.2 -** -** ----------------------------------------------------------------------------- -*/ -#ifdef SCCS_LABELS -static char *_riotable_c_sccs_ = "@(#)riotable.c 1.2"; -#endif - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/string.h> - -#include <asm/io.h> -#include <asm/system.h> -#include <asm/string.h> -#include <asm/semaphore.h> -#include <asm/uaccess.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" -#include "control.h" -#include "cirrus.h" -#include "rioioctl.h" -#include "param.h" -#include "list.h" -#include "sam.h" -#include "protsts.h" - -/* -** A configuration table has been loaded. It is now up to us -** to sort it out and use the information contained therein. -*/ -int -RIONewTable(p) -struct rio_info * p; -{ - int Host, Host1, Host2, NameIsUnique, Entry, SubEnt; - struct Map *MapP; - struct Map *HostMapP; - struct Host *HostP; - - char *cptr; - - /* - ** We have been sent a new table to install. We need to break - ** it down into little bits and spread it around a bit to see - ** what we have got. - */ - /* - ** Things to check: - ** (things marked 'xx' aren't checked any more!) - ** (1) That there are no booted Hosts/RTAs out there. - ** (2) That the names are properly formed - ** (3) That blank entries really are. - ** xx (4) That hosts mentioned in the table actually exist. xx - ** (5) That the IDs are unique (per host). - ** (6) That host IDs are zero - ** (7) That port numbers are valid - ** (8) That port numbers aren't duplicated - ** (9) That names aren't duplicated - ** xx (10) That hosts that actually exist are mentioned in the table. xx - */ - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(1)\n"); - if ( p->RIOSystemUp ) { /* (1) */ - p->RIOError.Error = HOST_HAS_ALREADY_BEEN_BOOTED; - return -EBUSY; - } - - p->RIOError.Error = NOTHING_WRONG_AT_ALL; - p->RIOError.Entry = -1; - p->RIOError.Other = -1; - - for ( Entry=0; Entry<TOTAL_MAP_ENTRIES; Entry++ ) { - MapP = &p->RIOConnectTable[Entry]; - if ((MapP->Flags & RTA16_SECOND_SLOT) == 0) { - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(2)\n"); - cptr = MapP->Name; /* (2) */ - cptr[MAX_NAME_LEN-1]='\0'; - if ( cptr[0]=='\0' ) { - bcopy(MapP->RtaUniqueNum?"RTA NN":"HOST NN",MapP->Name,8); - MapP->Name[5] = '0'+Entry/10; - MapP->Name[6] = '0'+Entry%10; - } - while ( *cptr ) { - if ( *cptr<' ' || *cptr>'~' ) { - p->RIOError.Error = BAD_CHARACTER_IN_NAME; - p->RIOError.Entry = Entry; - return -ENXIO; - } - cptr++; - } - } - - /* - ** If the entry saved was a tentative entry then just forget - ** about it. - */ - if ( MapP->Flags & SLOT_TENTATIVE ) { - MapP->HostUniqueNum = 0; - MapP->RtaUniqueNum = 0; - continue; - } - - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(3)\n"); - if ( !MapP->RtaUniqueNum && !MapP->HostUniqueNum ) { /* (3) */ - if ( MapP->ID || MapP->SysPort || MapP->Flags ) { - rio_dprintk (RIO_DEBUG_TABLE, "%s pretending to be empty but isn't\n",MapP->Name); - p->RIOError.Error = TABLE_ENTRY_ISNT_PROPERLY_NULL; - p->RIOError.Entry = Entry; - return -ENXIO; - } - rio_dprintk (RIO_DEBUG_TABLE, "!RIO: Daemon: test (3) passes\n"); - continue; - } - - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(4)\n"); - for ( Host=0; Host<p->RIONumHosts; Host++ ) { /* (4) */ - if ( p->RIOHosts[Host].UniqueNum==MapP->HostUniqueNum ) { - HostP = &p->RIOHosts[Host]; - /* - ** having done the lookup, we don't really want to do - ** it again, so hang the host number in a safe place - */ - MapP->Topology[0].Unit = Host; - break; - } - } - - if ( Host >= p->RIONumHosts ) { - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s has unknown host unique number 0x%x\n", - MapP->Name, MapP->HostUniqueNum); - MapP->HostUniqueNum = 0; - /* MapP->RtaUniqueNum = 0; */ - /* MapP->ID = 0; */ - /* MapP->Flags = 0; */ - /* MapP->SysPort = 0; */ - /* MapP->Name[0] = 0; */ - continue; - } - - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(5)\n"); - if ( MapP->RtaUniqueNum ) { /* (5) */ - if ( !MapP->ID ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO: RTA %s has been allocated an ID of zero!\n", - MapP->Name); - p->RIOError.Error = ZERO_RTA_ID; - p->RIOError.Entry = Entry; - return -ENXIO; - } - if ( MapP->ID > MAX_RUP ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO: RTA %s has been allocated an invalid ID %d\n", - MapP->Name, MapP->ID); - p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE; - p->RIOError.Entry = Entry; - return -ENXIO; - } - for ( SubEnt=0; SubEnt<Entry; SubEnt++ ) { - if ( MapP->HostUniqueNum == - p->RIOConnectTable[SubEnt].HostUniqueNum && - MapP->ID == p->RIOConnectTable[SubEnt].ID ) { - rio_dprintk (RIO_DEBUG_TABLE, "Dupl. ID number allocated to RTA %s and RTA %s\n", - MapP->Name, p->RIOConnectTable[SubEnt].Name); - p->RIOError.Error = DUPLICATED_RTA_ID; - p->RIOError.Entry = Entry; - p->RIOError.Other = SubEnt; - return -ENXIO; - } - /* - ** If the RtaUniqueNum is the same, it may be looking at both - ** entries for a 16 port RTA, so check the ids - */ - if ((MapP->RtaUniqueNum == - p->RIOConnectTable[SubEnt].RtaUniqueNum) - && (MapP->ID2 != p->RIOConnectTable[SubEnt].ID)) { - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s has duplicate unique number\n",MapP->Name); - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s has duplicate unique number\n", - p->RIOConnectTable[SubEnt].Name); - p->RIOError.Error = DUPLICATE_UNIQUE_NUMBER; - p->RIOError.Entry = Entry; - p->RIOError.Other = SubEnt; - return -ENXIO; - } - } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(7a)\n"); - /* (7a) */ - if ((MapP->SysPort != NO_PORT)&&(MapP->SysPort % PORTS_PER_RTA)) { - rio_dprintk (RIO_DEBUG_TABLE, "TTY Port number %d-RTA %s is not a multiple of %d!\n", - (int)MapP->SysPort,MapP->Name, PORTS_PER_RTA); - p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; - p->RIOError.Entry = Entry; - return -ENXIO; - } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(7b)\n"); - /* (7b) */ - if ((MapP->SysPort != NO_PORT)&&(MapP->SysPort >= RIO_PORTS)) { - rio_dprintk (RIO_DEBUG_TABLE, "TTY Port number %d for RTA %s is too big\n", - (int)MapP->SysPort, MapP->Name); - p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; - p->RIOError.Entry = Entry; - return -ENXIO; - } - for ( SubEnt=0; SubEnt<Entry; SubEnt++ ) { - if ( p->RIOConnectTable[SubEnt].Flags & RTA16_SECOND_SLOT ) - continue; - if ( p->RIOConnectTable[SubEnt].RtaUniqueNum ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(8)\n"); - /* (8) */ - if ( (MapP->SysPort != NO_PORT) && (MapP->SysPort == - p->RIOConnectTable[SubEnt].SysPort) ) { - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s:same TTY port # as RTA %s (%d)\n", - MapP->Name, p->RIOConnectTable[SubEnt].Name, - (int)MapP->SysPort); - p->RIOError.Error = TTY_NUMBER_IN_USE; - p->RIOError.Entry = Entry; - p->RIOError.Other = SubEnt; - return -ENXIO; - } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(9)\n"); - if (strcmp(MapP->Name, - p->RIOConnectTable[SubEnt].Name)==0 && !(MapP->Flags & RTA16_SECOND_SLOT)) { /* (9) */ - rio_dprintk (RIO_DEBUG_TABLE, "RTA name %s used twice\n", MapP->Name); - p->RIOError.Error = NAME_USED_TWICE; - p->RIOError.Entry = Entry; - p->RIOError.Other = SubEnt; - return -ENXIO; - } - } - } - } - else { /* (6) */ - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(6)\n"); - if ( MapP->ID ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO:HOST %s has been allocated ID that isn't zero!\n", - MapP->Name); - p->RIOError.Error = HOST_ID_NOT_ZERO; - p->RIOError.Entry = Entry; - return -ENXIO; - } - if ( MapP->SysPort != NO_PORT ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO: HOST %s has been allocated port numbers!\n", - MapP->Name); - p->RIOError.Error = HOST_SYSPORT_BAD; - p->RIOError.Entry = Entry; - return -ENXIO; - } - } - } - - /* - ** wow! if we get here then it's a goody! - */ - - /* - ** Zero the (old) entries for each host... - */ - for ( Host=0; Host<RIO_HOSTS; Host++ ) { - for ( Entry=0; Entry<MAX_RUP; Entry++ ) { - bzero((caddr_t)&p->RIOHosts[Host].Mapping[Entry], - sizeof(struct Map)); - } - bzero((caddr_t)&p->RIOHosts[Host].Name[0], - sizeof(p->RIOHosts[Host].Name) ); - } - - /* - ** Copy in the new table entries - */ - for ( Entry=0; Entry< TOTAL_MAP_ENTRIES; Entry++ ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: Copy table for Host entry %d\n", Entry); - MapP = &p->RIOConnectTable[Entry]; - - /* - ** Now, if it is an empty slot ignore it! - */ - if ( MapP->HostUniqueNum==0 ) - continue; - - /* - ** we saved the host number earlier, so grab it back - */ - HostP = &p->RIOHosts[MapP->Topology[0].Unit]; - - /* - ** If it is a host, then we only need to fill in the name field. - */ - if ( MapP->ID==0 ) { - rio_dprintk (RIO_DEBUG_TABLE, "Host entry found. Name %s\n", MapP->Name); - bcopy(MapP->Name,HostP->Name,MAX_NAME_LEN); - continue; - } - - /* - ** Its an RTA entry, so fill in the host mapping entries for it - ** and the port mapping entries. Notice that entry zero is for - ** ID one. - */ - HostMapP = &HostP->Mapping[MapP->ID-1]; - - if (MapP->Flags & SLOT_IN_USE) { - rio_dprintk (RIO_DEBUG_TABLE, "Rta entry found. Name %s\n", MapP->Name); - /* - ** structure assign, then sort out the bits we shouldn't have done - */ - *HostMapP = *MapP; - - HostMapP->Flags = SLOT_IN_USE; - if (MapP->Flags & RTA16_SECOND_SLOT) - HostMapP->Flags |= RTA16_SECOND_SLOT; - - RIOReMapPorts(p, HostP, HostMapP ); - } - else { - rio_dprintk (RIO_DEBUG_TABLE, "TENTATIVE Rta entry found. Name %s\n", MapP->Name); - } - } - - for ( Entry=0; Entry< TOTAL_MAP_ENTRIES; Entry++ ) { - p->RIOSavedTable[Entry] = p->RIOConnectTable[Entry]; - } - - for ( Host=0; Host<p->RIONumHosts; Host++ ) { - for ( SubEnt=0; SubEnt<LINKS_PER_UNIT; SubEnt++ ) { - p->RIOHosts[Host].Topology[SubEnt].Unit = ROUTE_DISCONNECT; - p->RIOHosts[Host].Topology[SubEnt].Link = NO_LINK; - } - for ( Entry=0; Entry<MAX_RUP; Entry++ ) { - for ( SubEnt=0; SubEnt<LINKS_PER_UNIT; SubEnt++ ) { - p->RIOHosts[Host].Mapping[Entry].Topology[SubEnt].Unit = - ROUTE_DISCONNECT; - p->RIOHosts[Host].Mapping[Entry].Topology[SubEnt].Link = - NO_LINK; - } - } - if ( !p->RIOHosts[Host].Name[0] ) { - bcopy("HOST 1",p->RIOHosts[Host].Name,7); - p->RIOHosts[Host].Name[5] += Host; - } - /* - ** Check that default name assigned is unique. - */ - Host1 = Host; - NameIsUnique = 0; - while (!NameIsUnique) { - NameIsUnique = 1; - for ( Host2=0; Host2<p->RIONumHosts; Host2++ ) { - if (Host2 == Host) - continue; - if (strcmp(p->RIOHosts[Host].Name, p->RIOHosts[Host2].Name) - == 0) { - NameIsUnique = 0; - Host1++; - if (Host1 >= p->RIONumHosts) - Host1 = 0; - p->RIOHosts[Host].Name[5] = '1' + Host1; - } - } - } - /* - ** Rename host if name already used. - */ - if (Host1 != Host) - { - rio_dprintk (RIO_DEBUG_TABLE, "Default name %s already used\n", p->RIOHosts[Host].Name); - bcopy("HOST 1",p->RIOHosts[Host].Name,7); - p->RIOHosts[Host].Name[5] += Host1; - } - rio_dprintk (RIO_DEBUG_TABLE, "Assigning default name %s\n", p->RIOHosts[Host].Name); - } - return 0; -} - -/* -** User process needs the config table - build it from first -** principles. -*/ -int -RIOApel(p) -struct rio_info * p; -{ - int Host; - int link; - int Rup; - int Next = 0; - struct Map *MapP; - struct Host *HostP; - long oldspl; - - disable(oldspl); /* strange but true! */ - - rio_dprintk (RIO_DEBUG_TABLE, "Generating a table to return to config.rio\n"); - - bzero((caddr_t)&p->RIOConnectTable[0], - sizeof(struct Map) * TOTAL_MAP_ENTRIES ); - - for ( Host=0; Host<RIO_HOSTS; Host++ ) { - rio_dprintk (RIO_DEBUG_TABLE, "Processing host %d\n", Host); - HostP = &p->RIOHosts[Host]; - MapP = &p->RIOConnectTable[Next++]; - MapP->HostUniqueNum = HostP->UniqueNum; - if ( (HostP->Flags & RUN_STATE) != RC_RUNNING ) - continue; - MapP->RtaUniqueNum = 0; - MapP->ID = 0; - MapP->Flags = SLOT_IN_USE; - MapP->SysPort = NO_PORT; - for ( link=0; link<LINKS_PER_UNIT; link++ ) - MapP->Topology[link] = HostP->Topology[link]; - bcopy(HostP->Name,MapP->Name,MAX_NAME_LEN); - for ( Rup=0; Rup<MAX_RUP; Rup++ ) { - if ( HostP->Mapping[Rup].Flags & (SLOT_IN_USE|SLOT_TENTATIVE) ) { - p->RIOConnectTable[Next] = HostP->Mapping[Rup]; - if ( HostP->Mapping[Rup].Flags & SLOT_IN_USE) - p->RIOConnectTable[Next].Flags |= SLOT_IN_USE; - if ( HostP->Mapping[Rup].Flags & SLOT_TENTATIVE) - p->RIOConnectTable[Next].Flags |= SLOT_TENTATIVE; - if ( HostP->Mapping[Rup].Flags & RTA16_SECOND_SLOT ) - p->RIOConnectTable[Next].Flags |= RTA16_SECOND_SLOT; - Next++; - } - } - } - restore(oldspl); - return 0; -} - -/* -** config.rio has taken a dislike to one of the gross maps entries. -** if the entry is suitably inactive, then we can gob on it and remove -** it from the table. -*/ -int -RIODeleteRta(p, MapP) -struct rio_info *p; -struct Map *MapP; -{ - int host, entry, port, link; - int SysPort; - struct Host *HostP; - struct Map *HostMapP; - struct Port *PortP; - int work_done = 0; - unsigned long lock_flags, sem_flags; - - rio_dprintk (RIO_DEBUG_TABLE, "Delete entry on host %x, rta %x\n", - MapP->HostUniqueNum, MapP->RtaUniqueNum); - - for ( host=0; host < p->RIONumHosts; host++ ) { - HostP = &p->RIOHosts[host]; - - rio_spin_lock_irqsave( &HostP->HostLock, lock_flags ); - - if ( (HostP->Flags & RUN_STATE) != RC_RUNNING ) { - rio_spin_unlock_irqrestore(&HostP->HostLock, lock_flags); - continue; - } - - for ( entry=0; entry<MAX_RUP; entry++ ) { - if ( MapP->RtaUniqueNum == HostP->Mapping[entry].RtaUniqueNum ) { - HostMapP = &HostP->Mapping[entry]; - rio_dprintk (RIO_DEBUG_TABLE, "Found entry offset %d on host %s\n", - entry, HostP->Name); - - /* - ** Check all four links of the unit are disconnected - */ - for ( link=0; link< LINKS_PER_UNIT; link++ ) { - if ( HostMapP->Topology[link].Unit != ROUTE_DISCONNECT ) { - rio_dprintk (RIO_DEBUG_TABLE, "Entry is in use and cannot be deleted!\n"); - p->RIOError.Error = UNIT_IS_IN_USE; - rio_spin_unlock_irqrestore( &HostP->HostLock, lock_flags); - return -EBUSY; - } - } - /* - ** Slot has been allocated, BUT not booted/routed/ - ** connected/selected or anything else-ed - */ - SysPort = HostMapP->SysPort; - - if ( SysPort != NO_PORT ) { - for (port=SysPort; port < SysPort+PORTS_PER_RTA; port++) { - PortP = p->RIOPortp[port]; - rio_dprintk (RIO_DEBUG_TABLE, "Unmap port\n"); - - rio_spin_lock_irqsave( &PortP->portSem, sem_flags ); - - PortP->Mapped = 0; - - if ( PortP->State & (RIO_MOPEN|RIO_LOPEN) ) { - - rio_dprintk (RIO_DEBUG_TABLE, "Gob on port\n"); - PortP->TxBufferIn = PortP->TxBufferOut = 0; - /* What should I do - wakeup( &PortP->TxBufferIn ); - wakeup( &PortP->TxBufferOut); - */ - PortP->InUse = NOT_INUSE; - /* What should I do - wakeup( &PortP->InUse ); - signal(PortP->TtyP->t_pgrp,SIGKILL); - ttyflush(PortP->TtyP,(FREAD|FWRITE)); - */ - PortP->State |= RIO_CLOSING | RIO_DELETED; - } - - /* - ** For the second slot of a 16 port RTA, the - ** driver needs to reset the changes made to - ** the phb to port mappings in RIORouteRup. - */ - if (PortP->SecondBlock) { - ushort dest_unit = HostMapP->ID; - ushort dest_port = port - SysPort; - WORD *TxPktP; - PKT *Pkt; - - for (TxPktP = PortP->TxStart; - TxPktP <= PortP->TxEnd; TxPktP++) { - /* - ** *TxPktP is the pointer to the - ** transmit packet on the host card. - ** This needs to be translated into - ** a 32 bit pointer so it can be - ** accessed from the driver. - */ - Pkt = (PKT *) RIO_PTR(HostP->Caddr, - RWORD(*TxPktP)); - rio_dprintk (RIO_DEBUG_TABLE, - "Tx packet (%x) destination: Old %x:%x New %x:%x\n", - *TxPktP, Pkt->dest_unit, - Pkt->dest_port, dest_unit, dest_port); - WWORD(Pkt->dest_unit, dest_unit); - WWORD(Pkt->dest_port, dest_port); - } - rio_dprintk (RIO_DEBUG_TABLE, - "Port %d phb destination: Old %x:%x New %x:%x\n", - port, PortP->PhbP->destination & 0xff, - (PortP->PhbP->destination >> 8) & 0xff, - dest_unit, dest_port); - WWORD(PortP->PhbP->destination, - dest_unit + (dest_port << 8)); - } - rio_spin_unlock_irqrestore(&PortP->portSem, sem_flags); - } - } - rio_dprintk (RIO_DEBUG_TABLE, "Entry nulled.\n"); - bzero((char *)HostMapP,sizeof(struct Map)); - work_done++; - } - } - rio_spin_unlock_irqrestore(&HostP->HostLock, lock_flags); - } - - /* XXXXX lock me up */ - for ( entry=0; entry< TOTAL_MAP_ENTRIES; entry++ ) { - if ( p->RIOSavedTable[entry].RtaUniqueNum == MapP->RtaUniqueNum ) { - bzero((char *)&p->RIOSavedTable[entry],sizeof(struct Map)); - work_done++; - } - if ( p->RIOConnectTable[entry].RtaUniqueNum == MapP->RtaUniqueNum ) { - bzero((char *)&p->RIOConnectTable[entry],sizeof(struct Map)); - work_done++; - } - } - if ( work_done ) - return 0; - - rio_dprintk (RIO_DEBUG_TABLE, "Couldn't find entry to be deleted\n"); - p->RIOError.Error = COULDNT_FIND_ENTRY; - return -ENXIO; -} - -int RIOAssignRta( struct rio_info *p, struct Map *MapP ) -{ - int host; - struct Map *HostMapP; - char *sptr; - int link; - - - rio_dprintk (RIO_DEBUG_TABLE, "Assign entry on host %x, rta %x, ID %d, Sysport %d\n", - MapP->HostUniqueNum,MapP->RtaUniqueNum, - MapP->ID, (int)MapP->SysPort); - - if ((MapP->ID != (ushort)-1) && - ((int)MapP->ID < (int)1 || (int)MapP->ID > MAX_RUP )) - { - rio_dprintk (RIO_DEBUG_TABLE, "Bad ID in map entry!\n"); - p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - if (MapP->RtaUniqueNum == 0) - { - rio_dprintk (RIO_DEBUG_TABLE, "Rta Unique number zero!\n"); - p->RIOError.Error = RTA_UNIQUE_NUMBER_ZERO; - return -EINVAL; - } - if ( (MapP->SysPort != NO_PORT) && (MapP->SysPort % PORTS_PER_RTA) ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Port %d not multiple of %d!\n",(int)MapP->SysPort,PORTS_PER_RTA); - p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - if ( (MapP->SysPort != NO_PORT) && (MapP->SysPort >= RIO_PORTS) ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Port %d not valid!\n",(int)MapP->SysPort); - p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - /* - ** Copy the name across to the map entry. - */ - MapP->Name[MAX_NAME_LEN-1] = '\0'; - sptr = MapP->Name; - while ( *sptr ) - { - if ( *sptr<' ' || *sptr>'~' ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Name entry contains non-printing characters!\n"); - p->RIOError.Error = BAD_CHARACTER_IN_NAME; - return -EINVAL; - } - sptr++; - } - - for ( host=0; host < p->RIONumHosts; host++ ) - { - if ( MapP->HostUniqueNum == p->RIOHosts[host].UniqueNum ) - { - if ( (p->RIOHosts[host].Flags & RUN_STATE) != RC_RUNNING ) - { - p->RIOError.Error = HOST_NOT_RUNNING; - return -ENXIO; - } - - /* - ** Now we have a host we need to allocate an ID - ** if the entry does not already have one. - */ - if (MapP->ID == (ushort)-1) - { - int nNewID; - - rio_dprintk (RIO_DEBUG_TABLE, "Attempting to get a new ID for rta \"%s\"\n", - MapP->Name); - /* - ** The idea here is to allow RTA's to be assigned - ** before they actually appear on the network. - ** This allows the addition of RTA's without having - ** to plug them in. - ** What we do is: - ** - Find a free ID and allocate it to the RTA. - ** - If this map entry is the second half of a - ** 16 port entry then find the other half and - ** make sure the 2 cross reference each other. - */ - if (RIOFindFreeID(p, &p->RIOHosts[host], &nNewID, NULL) != 0) - { - p->RIOError.Error = COULDNT_FIND_ENTRY; - return -EBUSY; - } - MapP->ID = (ushort)nNewID + 1; - rio_dprintk (RIO_DEBUG_TABLE, "Allocated ID %d for this new RTA.\n", MapP->ID); - HostMapP = &p->RIOHosts[host].Mapping[nNewID]; - HostMapP->RtaUniqueNum = MapP->RtaUniqueNum; - HostMapP->HostUniqueNum = MapP->HostUniqueNum; - HostMapP->ID = MapP->ID; - for (link = 0; link < LINKS_PER_UNIT; link++) - { - HostMapP->Topology[link].Unit = ROUTE_DISCONNECT; - HostMapP->Topology[link].Link = NO_LINK; - } - if (MapP->Flags & RTA16_SECOND_SLOT) - { - int unit; - - for (unit = 0; unit < MAX_RUP; unit++) - if (p->RIOHosts[host].Mapping[unit].RtaUniqueNum == - MapP->RtaUniqueNum) - break; - if (unit == MAX_RUP) - { - p->RIOError.Error = COULDNT_FIND_ENTRY; - return -EBUSY; - } - HostMapP->Flags |= RTA16_SECOND_SLOT; - HostMapP->ID2 = MapP->ID2 = p->RIOHosts[host].Mapping[unit].ID; - p->RIOHosts[host].Mapping[unit].ID2 = MapP->ID; - rio_dprintk (RIO_DEBUG_TABLE, "Cross referenced id %d to ID %d.\n", - MapP->ID, - p->RIOHosts[host].Mapping[unit].ID); - } - } - - HostMapP = &p->RIOHosts[host].Mapping[MapP->ID-1]; - - if ( HostMapP->Flags & SLOT_IN_USE ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Map table slot for ID %d is already in use.\n", MapP->ID); - p->RIOError.Error = ID_ALREADY_IN_USE; - return -EBUSY; - } - - /* - ** Assign the sys ports and the name, and mark the slot as - ** being in use. - */ - HostMapP->SysPort = MapP->SysPort; - if ((MapP->Flags & RTA16_SECOND_SLOT) == 0) - CCOPY( MapP->Name, HostMapP->Name, MAX_NAME_LEN ); - HostMapP->Flags = SLOT_IN_USE | RTA_BOOTED; -#ifdef NEED_TO_FIX - RIO_SV_BROADCAST(p->RIOHosts[host].svFlags[MapP->ID-1]); -#endif - if (MapP->Flags & RTA16_SECOND_SLOT) - HostMapP->Flags |= RTA16_SECOND_SLOT; - - RIOReMapPorts( p, &p->RIOHosts[host], HostMapP ); - /* - ** Adjust 2nd block of 8 phbs - */ - if (MapP->Flags & RTA16_SECOND_SLOT) - RIOFixPhbs(p, &p->RIOHosts[host], HostMapP->ID - 1); - - if ( HostMapP->SysPort != NO_PORT ) - { - if ( HostMapP->SysPort < p->RIOFirstPortsBooted ) - p->RIOFirstPortsBooted = HostMapP->SysPort; - if ( HostMapP->SysPort > p->RIOLastPortsBooted ) - p->RIOLastPortsBooted = HostMapP->SysPort; - } - if (MapP->Flags & RTA16_SECOND_SLOT) - rio_dprintk (RIO_DEBUG_TABLE, "Second map of RTA %s added to configuration\n", - p->RIOHosts[host].Mapping[MapP->ID2 - 1].Name); - else - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s added to configuration\n", MapP->Name); - return 0; - } - } - p->RIOError.Error = UNKNOWN_HOST_NUMBER; - rio_dprintk (RIO_DEBUG_TABLE, "Unknown host %x\n", MapP->HostUniqueNum); - return -ENXIO; -} - - -int -RIOReMapPorts(p, HostP, HostMapP) -struct rio_info * p; -struct Host *HostP; -struct Map *HostMapP; -{ - register struct Port *PortP; - uint SubEnt; - uint HostPort; - uint SysPort; - ushort RtaType; - unsigned long flags; - -#ifdef CHECK - CheckHostP( HostP ); - CheckHostMapP( HostMapP ); -#endif - - rio_dprintk (RIO_DEBUG_TABLE, "Mapping sysport %d to id %d\n", (int)HostMapP->SysPort, HostMapP->ID); - - /* - ** We need to tell the UnixRups which sysport the rup corresponds to - */ - HostP->UnixRups[HostMapP->ID-1].BaseSysPort = HostMapP->SysPort; - - if ( HostMapP->SysPort == NO_PORT ) - return(0); - - RtaType = GetUnitType(HostMapP->RtaUniqueNum); - rio_dprintk (RIO_DEBUG_TABLE, "Mapping sysport %d-%d\n", - (int)HostMapP->SysPort, (int)HostMapP->SysPort+PORTS_PER_RTA-1); - - /* - ** now map each of its eight ports - */ - for ( SubEnt=0; SubEnt<PORTS_PER_RTA; SubEnt++) { - rio_dprintk (RIO_DEBUG_TABLE, "subent = %d, HostMapP->SysPort = %d\n", - SubEnt, (int)HostMapP->SysPort); - SysPort = HostMapP->SysPort+SubEnt; /* portnumber within system */ - /* portnumber on host */ - - HostPort = (HostMapP->ID-1)*PORTS_PER_RTA+SubEnt; - - rio_dprintk (RIO_DEBUG_TABLE, "c1 p = %p, p->rioPortp = %p\n", p, p->RIOPortp); - PortP = p->RIOPortp[SysPort]; -#if 0 - PortP->TtyP = &p->channel[SysPort]; -#endif - rio_dprintk (RIO_DEBUG_TABLE, "Map port\n"); - - /* - ** Point at all the real neat data structures - */ - rio_spin_lock_irqsave(&PortP->portSem, flags); - PortP->HostP = HostP; - PortP->Caddr = HostP->Caddr; - - /* - ** The PhbP cannot be filled in yet - ** unless the host has been booted - */ - if ((HostP->Flags & RUN_STATE) == RC_RUNNING) { - struct PHB *PhbP = PortP->PhbP = &HostP->PhbP[HostPort]; - PortP->TxAdd =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->tx_add)); - PortP->TxStart =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->tx_start)); - PortP->TxEnd =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->tx_end)); - PortP->RxRemove=(WORD *)RIO_PTR(HostP->Caddr, - RWORD(PhbP->rx_remove)); - PortP->RxStart =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->rx_start)); - PortP->RxEnd =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->rx_end)); - } - else - PortP->PhbP = NULL; - - /* - ** port related flags - */ - PortP->HostPort = HostPort; - /* - ** For each part of a 16 port RTA, RupNum is ID - 1. - */ - PortP->RupNum = HostMapP->ID - 1; - if (HostMapP->Flags & RTA16_SECOND_SLOT) { - PortP->ID2 = HostMapP->ID2 - 1; - PortP->SecondBlock = TRUE; - } - else { - PortP->ID2 = 0; - PortP->SecondBlock = FALSE; - } - PortP->RtaUniqueNum = HostMapP->RtaUniqueNum; - - /* - ** If the port was already mapped then thats all we need to do. - */ - if (PortP->Mapped) { - rio_spin_unlock_irqrestore( &PortP->portSem, flags); - continue; - } - else HostMapP->Flags &= ~RTA_NEWBOOT; - - PortP->State = 0; - PortP->Config = 0; - /* - ** Check out the module type - if it is special (read only etc.) - ** then we need to set flags in the PortP->Config. - ** Note: For 16 port RTA, all ports are of the same type. - */ - if (RtaType == TYPE_RTA16) { - PortP->Config |= p->RIOModuleTypes[HostP->UnixRups - [HostMapP->ID-1].ModTypes].Flags[SubEnt % PORTS_PER_MODULE]; - } else { - if ( SubEnt < PORTS_PER_MODULE ) - PortP->Config |= p->RIOModuleTypes[LONYBLE(HostP->UnixRups - [HostMapP->ID-1].ModTypes)].Flags[SubEnt % PORTS_PER_MODULE]; - else - PortP->Config |= p->RIOModuleTypes[HINYBLE(HostP->UnixRups - [HostMapP->ID-1].ModTypes)].Flags[SubEnt % PORTS_PER_MODULE]; - } - - /* - ** more port related flags - */ - PortP->PortState = 0; - PortP->ModemLines = 0; - PortP->ModemState = 0; - PortP->CookMode = COOK_WELL; - PortP->ParamSem = 0; - PortP->FlushCmdBodge= 0; - PortP->WflushFlag = 0; - PortP->MagicFlags = 0; - PortP->Lock = 0; - PortP->Store = 0; - PortP->FirstOpen = 1; - - /* - ** Buffers 'n things - */ - PortP->RxDataStart = 0; - PortP->Cor2Copy = 0; - PortP->Name = &HostMapP->Name[0]; -#ifdef STATS - bzero( (caddr_t)&PortP->Stat, sizeof(struct RIOStats) ); -#endif - PortP->statsGather = 0; - PortP->txchars = 0; - PortP->rxchars = 0; - PortP->opens = 0; - PortP->closes = 0; - PortP->ioctls = 0; - if ( PortP->TxRingBuffer ) - bzero( PortP->TxRingBuffer, p->RIOBufferSize ); - else if ( p->RIOBufferSize ) { - PortP->TxRingBuffer = sysbrk(p->RIOBufferSize); - bzero( PortP->TxRingBuffer, p->RIOBufferSize ); - } - PortP->TxBufferOut = 0; - PortP->TxBufferIn = 0; - PortP->Debug = 0; - /* - ** LastRxTgl stores the state of the rx toggle bit for this - ** port, to be compared with the state of the next pkt received. - ** If the same, we have received the same rx pkt from the RTA - ** twice. Initialise to a value not equal to PHB_RX_TGL or 0. - */ - PortP->LastRxTgl = ~(uchar)PHB_RX_TGL; - - /* - ** and mark the port as usable - */ - PortP->Mapped = 1; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - } - if ( HostMapP->SysPort < p->RIOFirstPortsMapped ) - p->RIOFirstPortsMapped = HostMapP->SysPort; - if ( HostMapP->SysPort > p->RIOLastPortsMapped ) - p->RIOLastPortsMapped = HostMapP->SysPort; - - return 0; -} - -int -RIOChangeName(p, MapP) -struct rio_info *p; -struct Map* MapP; -{ - int host; - struct Map *HostMapP; - char *sptr; - - rio_dprintk (RIO_DEBUG_TABLE, "Change name entry on host %x, rta %x, ID %d, Sysport %d\n", - MapP->HostUniqueNum,MapP->RtaUniqueNum, - MapP->ID, (int)MapP->SysPort); - - if ( MapP->ID > MAX_RUP ) { - rio_dprintk (RIO_DEBUG_TABLE, "Bad ID in map entry!\n"); - p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - MapP->Name[MAX_NAME_LEN-1] = '\0'; - sptr = MapP->Name; - - while ( *sptr ) { - if ( *sptr<' ' || *sptr>'~' ) { - rio_dprintk (RIO_DEBUG_TABLE, "Name entry contains non-printing characters!\n"); - p->RIOError.Error = BAD_CHARACTER_IN_NAME; - return -EINVAL; - } - sptr++; - } - - for ( host=0; host < p->RIONumHosts; host++ ) { - if ( MapP->HostUniqueNum == p->RIOHosts[host].UniqueNum ) { - if ( (p->RIOHosts[host].Flags & RUN_STATE) != RC_RUNNING ) { - p->RIOError.Error = HOST_NOT_RUNNING; - return -ENXIO; - } - if ( MapP->ID==0 ) { - CCOPY( MapP->Name, p->RIOHosts[host].Name, MAX_NAME_LEN ); - return 0; - } - - HostMapP = &p->RIOHosts[host].Mapping[MapP->ID-1]; - - if ( HostMapP->RtaUniqueNum != MapP->RtaUniqueNum ) { - p->RIOError.Error = RTA_NUMBER_WRONG; - return -ENXIO; - } - CCOPY( MapP->Name, HostMapP->Name, MAX_NAME_LEN ); - return 0; - } - } - p->RIOError.Error = UNKNOWN_HOST_NUMBER; - rio_dprintk (RIO_DEBUG_TABLE, "Unknown host %x\n", MapP->HostUniqueNum); - return -ENXIO; -} |