/*
** A configuration table has been loaded. It is now up to us
** to sort it out and use the information contained therein.
*/
int RIONewTable(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') {
memcpy(MapP->Name, MapP->RtaUniqueNum ? "RTA NN" : "HOST NN", 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++) {
memset(&p->RIOHosts[Host].Mapping[Entry], 0, sizeof(struct Map));
}
memset(&p->RIOHosts[Host].Name[0], 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);
memcpy(HostP->Name, MapP->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]) {
memcpy(p->RIOHosts[Host].Name, "HOST 1", 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);
memcpy(p->RIOHosts[Host].Name, "HOST 1", 7);
p->RIOHosts[Host].Name[5] += Host1;
}
rio_dprintk(RIO_DEBUG_TABLE, "Assigning default name %s\n", p->RIOHosts[Host].Name);
}
return 0;
}
int RIOAssignRta(struct rio_info *p, struct Map *MapP)
{
int host;
struct Map *HostMapP;
char *sptr;
int link;
;
if ((MapP->ID != (u16) - 1) && ((int) MapP->ID < (int) 1 || (int) MapP->ID > MAX_RUP)) {
;
p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE;
return -EINVAL;
}
if (MapP->RtaUniqueNum == 0) {
;
p->RIOError.Error = RTA_UNIQUE_NUMBER_ZERO;
return -EINVAL;
}
if ((MapP->SysPort != NO_PORT) && (MapP->SysPort % PORTS_PER_RTA)) {
;
p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE;
return -EINVAL;
}
if ((MapP->SysPort != NO_PORT) && (MapP->SysPort >= RIO_PORTS)) {
;
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 > '~') {
;
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 == (u16) - 1) {
int nNewID;
;
/*
** 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 = (u16) nNewID + 1;
;
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;
;
}
}
HostMapP = &p->RIOHosts[host].Mapping[MapP->ID - 1];
if (HostMapP->Flags & SLOT_IN_USE) {
;
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)
memcpy(HostMapP->Name, MapP->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)
;
else
;
return 0;
}
}
p->RIOError.Error = UNKNOWN_HOST_NUMBER;
;
return -ENXIO;
}
