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path: root/drivers/char/rio/riotable.c
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Diffstat (limited to 'drivers/char/rio/riotable.c')
-rw-r--r--drivers/char/rio/riotable.c76
1 files changed, 33 insertions, 43 deletions
diff --git a/drivers/char/rio/riotable.c b/drivers/char/rio/riotable.c
index a86b216ab653..f1d50142b91d 100644
--- a/drivers/char/rio/riotable.c
+++ b/drivers/char/rio/riotable.c
@@ -91,8 +91,7 @@ static char *_riotable_c_sccs_ = "@(#)riotable.c 1.2";
** 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 RIONewTable(struct rio_info *p)
{
int Host, Host1, Host2, NameIsUnique, Entry, SubEnt;
struct Map *MapP;
@@ -298,9 +297,9 @@ struct rio_info *p;
*/
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));
+ memset(&p->RIOHosts[Host].Mapping[Entry], 0, sizeof(struct Map));
}
- bzero((caddr_t) & p->RIOHosts[Host].Name[0], sizeof(p->RIOHosts[Host].Name));
+ memset(&p->RIOHosts[Host].Name[0], 0, sizeof(p->RIOHosts[Host].Name));
}
/*
@@ -409,9 +408,10 @@ struct rio_info *p;
/*
** User process needs the config table - build it from first
** principles.
+**
+* FIXME: SMP locking
*/
-int RIOApel(p)
-struct rio_info *p;
+int RIOApel(struct rio_info *p)
{
int Host;
int link;
@@ -419,17 +419,17 @@ struct rio_info *p;
int Next = 0;
struct Map *MapP;
struct Host *HostP;
- long oldspl;
-
- disable(oldspl); /* strange but true! */
+ unsigned long flags;
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);
+ memset(&p->RIOConnectTable[0], 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];
+ rio_spin_lock_irqsave(&HostP->HostLock, flags);
+
MapP = &p->RIOConnectTable[Next++];
MapP->HostUniqueNum = HostP->UniqueNum;
if ((HostP->Flags & RUN_STATE) != RC_RUNNING)
@@ -453,8 +453,8 @@ struct rio_info *p;
Next++;
}
}
+ rio_spin_unlock_irqrestore(&HostP->HostLock, flags);
}
- restore(oldspl);
return 0;
}
@@ -463,9 +463,7 @@ struct rio_info *p;
** 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 RIODeleteRta(struct rio_info *p, struct Map *MapP)
{
int host, entry, port, link;
int SysPort;
@@ -543,7 +541,7 @@ struct Map *MapP;
if (PortP->SecondBlock) {
ushort dest_unit = HostMapP->ID;
ushort dest_port = port - SysPort;
- WORD *TxPktP;
+ u16 *TxPktP;
PKT *Pkt;
for (TxPktP = PortP->TxStart; TxPktP <= PortP->TxEnd; TxPktP++) {
@@ -554,19 +552,19 @@ struct Map *MapP;
** a 32 bit pointer so it can be
** accessed from the driver.
*/
- Pkt = (PKT *) RIO_PTR(HostP->Caddr, RWORD(*TxPktP));
+ Pkt = (PKT *) RIO_PTR(HostP->Caddr, readw(&*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);
+ writew(dest_unit, &Pkt->dest_unit);
+ writew(dest_port, &Pkt->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));
+ writew(dest_unit + (dest_port << 8), &PortP->PhbP->destination);
}
rio_spin_unlock_irqrestore(&PortP->portSem, sem_flags);
}
}
rio_dprintk(RIO_DEBUG_TABLE, "Entry nulled.\n");
- bzero((char *) HostMapP, sizeof(struct Map));
+ memset(HostMapP, 0, sizeof(struct Map));
work_done++;
}
}
@@ -576,11 +574,11 @@ struct Map *MapP;
/* 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));
+ memset(&p->RIOSavedTable[entry], 0, sizeof(struct Map));
work_done++;
}
if (p->RIOConnectTable[entry].RtaUniqueNum == MapP->RtaUniqueNum) {
- bzero((char *) &p->RIOConnectTable[entry], sizeof(struct Map));
+ memset(&p->RIOConnectTable[entry], 0, sizeof(struct Map));
work_done++;
}
}
@@ -742,12 +740,9 @@ int RIOAssignRta(struct rio_info *p, struct Map *MapP)
}
-int RIOReMapPorts(p, HostP, HostMapP)
-struct rio_info *p;
-struct Host *HostP;
-struct Map *HostMapP;
+int RIOReMapPorts(struct rio_info *p, struct Host *HostP, struct Map *HostMapP)
{
- register struct Port *PortP;
+ struct Port *PortP;
uint SubEnt;
uint HostPort;
uint SysPort;
@@ -794,12 +789,12 @@ struct Map *HostMapP;
*/
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));
+ PortP->TxAdd = (u16 *) RIO_PTR(HostP->Caddr, readw(&PhbP->tx_add));
+ PortP->TxStart = (u16 *) RIO_PTR(HostP->Caddr, readw(&PhbP->tx_start));
+ PortP->TxEnd = (u16 *) RIO_PTR(HostP->Caddr, readw(&PhbP->tx_end));
+ PortP->RxRemove = (u16 *) RIO_PTR(HostP->Caddr, readw(&PhbP->rx_remove));
+ PortP->RxStart = (u16 *) RIO_PTR(HostP->Caddr, readw(&PhbP->rx_start));
+ PortP->RxEnd = (u16 *) RIO_PTR(HostP->Caddr, readw(&PhbP->rx_end));
} else
PortP->PhbP = NULL;
@@ -866,9 +861,6 @@ struct Map *HostMapP;
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;
@@ -876,10 +868,10 @@ struct Map *HostMapP;
PortP->closes = 0;
PortP->ioctls = 0;
if (PortP->TxRingBuffer)
- bzero(PortP->TxRingBuffer, p->RIOBufferSize);
+ memset(PortP->TxRingBuffer, 0, p->RIOBufferSize);
else if (p->RIOBufferSize) {
- PortP->TxRingBuffer = sysbrk(p->RIOBufferSize);
- bzero(PortP->TxRingBuffer, p->RIOBufferSize);
+ PortP->TxRingBuffer = kmalloc(p->RIOBufferSize, GFP_KERNEL);
+ memset(PortP->TxRingBuffer, 0, p->RIOBufferSize);
}
PortP->TxBufferOut = 0;
PortP->TxBufferIn = 0;
@@ -890,7 +882,7 @@ struct Map *HostMapP;
** 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;
+ PortP->LastRxTgl = ~(u8) PHB_RX_TGL;
/*
** and mark the port as usable
@@ -906,9 +898,7 @@ struct Map *HostMapP;
return 0;
}
-int RIOChangeName(p, MapP)
-struct rio_info *p;
-struct Map *MapP;
+int RIOChangeName(struct rio_info *p, struct Map *MapP)
{
int host;
struct Map *HostMapP;
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-31 18:39:33 +0300