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path: root/drivers/char/rio/riocmd.c
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Diffstat (limited to 'drivers/char/rio/riocmd.c')
-rw-r--r--drivers/char/rio/riocmd.c896
1 files changed, 423 insertions, 473 deletions
diff --git a/drivers/char/rio/riocmd.c b/drivers/char/rio/riocmd.c
index 533085ec6f1b..b97dd9fdb6ba 100644
--- a/drivers/char/rio/riocmd.c
+++ b/drivers/char/rio/riocmd.c
@@ -83,102 +83,98 @@ static char *_riocmd_c_sccs_ = "@(#)riocmd.c 1.2";
static struct IdentifyRta IdRta;
static struct KillNeighbour KillUnit;
-int
-RIOFoadRta(struct Host *HostP, struct Map *MapP)
+int RIOFoadRta(struct Host *HostP, struct Map *MapP)
{
struct CmdBlk *CmdBlkP;
- rio_dprintk (RIO_DEBUG_CMD, "FOAD RTA\n");
+ rio_dprintk(RIO_DEBUG_CMD, "FOAD RTA\n");
CmdBlkP = RIOGetCmdBlk();
- if ( !CmdBlkP ) {
- rio_dprintk (RIO_DEBUG_CMD, "FOAD RTA: GetCmdBlk failed\n");
+ if (!CmdBlkP) {
+ rio_dprintk(RIO_DEBUG_CMD, "FOAD RTA: GetCmdBlk failed\n");
return -ENXIO;
}
CmdBlkP->Packet.dest_unit = MapP->ID;
CmdBlkP->Packet.dest_port = BOOT_RUP;
- CmdBlkP->Packet.src_unit = 0;
- CmdBlkP->Packet.src_port = BOOT_RUP;
- CmdBlkP->Packet.len = 0x84;
- CmdBlkP->Packet.data[0] = IFOAD;
- CmdBlkP->Packet.data[1] = 0;
- CmdBlkP->Packet.data[2] = IFOAD_MAGIC & 0xFF;
- CmdBlkP->Packet.data[3] = (IFOAD_MAGIC >> 8) & 0xFF;
-
- if ( RIOQueueCmdBlk( HostP, MapP->ID-1, CmdBlkP) == RIO_FAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "FOAD RTA: Failed to queue foad command\n");
+ CmdBlkP->Packet.src_unit = 0;
+ CmdBlkP->Packet.src_port = BOOT_RUP;
+ CmdBlkP->Packet.len = 0x84;
+ CmdBlkP->Packet.data[0] = IFOAD;
+ CmdBlkP->Packet.data[1] = 0;
+ CmdBlkP->Packet.data[2] = IFOAD_MAGIC & 0xFF;
+ CmdBlkP->Packet.data[3] = (IFOAD_MAGIC >> 8) & 0xFF;
+
+ if (RIOQueueCmdBlk(HostP, MapP->ID - 1, CmdBlkP) == RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "FOAD RTA: Failed to queue foad command\n");
return -EIO;
}
return 0;
}
-int
-RIOZombieRta(struct Host *HostP, struct Map *MapP)
+int RIOZombieRta(struct Host *HostP, struct Map *MapP)
{
struct CmdBlk *CmdBlkP;
- rio_dprintk (RIO_DEBUG_CMD, "ZOMBIE RTA\n");
+ rio_dprintk(RIO_DEBUG_CMD, "ZOMBIE RTA\n");
CmdBlkP = RIOGetCmdBlk();
- if ( !CmdBlkP ) {
- rio_dprintk (RIO_DEBUG_CMD, "ZOMBIE RTA: GetCmdBlk failed\n");
+ if (!CmdBlkP) {
+ rio_dprintk(RIO_DEBUG_CMD, "ZOMBIE RTA: GetCmdBlk failed\n");
return -ENXIO;
}
CmdBlkP->Packet.dest_unit = MapP->ID;
CmdBlkP->Packet.dest_port = BOOT_RUP;
- CmdBlkP->Packet.src_unit = 0;
- CmdBlkP->Packet.src_port = BOOT_RUP;
- CmdBlkP->Packet.len = 0x84;
- CmdBlkP->Packet.data[0] = ZOMBIE;
- CmdBlkP->Packet.data[1] = 0;
- CmdBlkP->Packet.data[2] = ZOMBIE_MAGIC & 0xFF;
- CmdBlkP->Packet.data[3] = (ZOMBIE_MAGIC >> 8) & 0xFF;
-
- if ( RIOQueueCmdBlk( HostP, MapP->ID-1, CmdBlkP) == RIO_FAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "ZOMBIE RTA: Failed to queue zombie command\n");
+ CmdBlkP->Packet.src_unit = 0;
+ CmdBlkP->Packet.src_port = BOOT_RUP;
+ CmdBlkP->Packet.len = 0x84;
+ CmdBlkP->Packet.data[0] = ZOMBIE;
+ CmdBlkP->Packet.data[1] = 0;
+ CmdBlkP->Packet.data[2] = ZOMBIE_MAGIC & 0xFF;
+ CmdBlkP->Packet.data[3] = (ZOMBIE_MAGIC >> 8) & 0xFF;
+
+ if (RIOQueueCmdBlk(HostP, MapP->ID - 1, CmdBlkP) == RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "ZOMBIE RTA: Failed to queue zombie command\n");
return -EIO;
}
return 0;
}
-int
-RIOCommandRta(struct rio_info *p, uint RtaUnique,
- int (* func)(struct Host *HostP, struct Map *MapP))
+int RIOCommandRta(struct rio_info *p, uint RtaUnique, int (*func) (struct Host * HostP, struct Map * MapP))
{
uint Host;
- rio_dprintk (RIO_DEBUG_CMD, "Command RTA 0x%x func 0x%x\n", RtaUnique, (int)func);
+ rio_dprintk(RIO_DEBUG_CMD, "Command RTA 0x%x func 0x%x\n", RtaUnique, (int) func);
- if ( !RtaUnique )
- return(0);
+ if (!RtaUnique)
+ return (0);
- for ( Host = 0; Host < p->RIONumHosts; Host++ ) {
+ for (Host = 0; Host < p->RIONumHosts; Host++) {
uint Rta;
struct Host *HostP = &p->RIOHosts[Host];
- for ( Rta = 0; Rta < RTAS_PER_HOST; Rta++ ) {
+ for (Rta = 0; Rta < RTAS_PER_HOST; Rta++) {
struct Map *MapP = &HostP->Mapping[Rta];
- if ( MapP->RtaUniqueNum == RtaUnique ) {
+ if (MapP->RtaUniqueNum == RtaUnique) {
uint Link;
/*
- ** now, lets just check we have a route to it...
- ** IF the routing stuff is working, then one of the
- ** topology entries for this unit will have a legit
- ** route *somewhere*. We care not where - if its got
- ** any connections, we can get to it.
- */
- for ( Link = 0; Link < LINKS_PER_UNIT; Link++ ) {
- if ( MapP->Topology[Link].Unit <= (uchar)MAX_RUP ) {
+ ** now, lets just check we have a route to it...
+ ** IF the routing stuff is working, then one of the
+ ** topology entries for this unit will have a legit
+ ** route *somewhere*. We care not where - if its got
+ ** any connections, we can get to it.
+ */
+ for (Link = 0; Link < LINKS_PER_UNIT; Link++) {
+ if (MapP->Topology[Link].Unit <= (uchar) MAX_RUP) {
/*
- ** Its worth trying the operation...
- */
- return (*func)( HostP, MapP );
+ ** Its worth trying the operation...
+ */
+ return (*func) (HostP, MapP);
}
}
}
@@ -188,60 +184,59 @@ RIOCommandRta(struct rio_info *p, uint RtaUnique,
}
-int
-RIOIdentifyRta(struct rio_info *p, caddr_t arg)
+int RIOIdentifyRta(struct rio_info *p, caddr_t arg)
{
uint Host;
- if ( copyin( (int)arg, (caddr_t)&IdRta, sizeof(IdRta) ) == COPYFAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "RIO_IDENTIFY_RTA copy failed\n");
+ if (copyin((int) arg, (caddr_t) & IdRta, sizeof(IdRta)) == COPYFAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "RIO_IDENTIFY_RTA copy failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
- for ( Host = 0 ; Host < p->RIONumHosts; Host++ ) {
+ for (Host = 0; Host < p->RIONumHosts; Host++) {
uint Rta;
struct Host *HostP = &p->RIOHosts[Host];
- for ( Rta = 0; Rta < RTAS_PER_HOST; Rta++ ) {
+ for (Rta = 0; Rta < RTAS_PER_HOST; Rta++) {
struct Map *MapP = &HostP->Mapping[Rta];
- if ( MapP->RtaUniqueNum == IdRta.RtaUnique ) {
+ if (MapP->RtaUniqueNum == IdRta.RtaUnique) {
uint Link;
/*
- ** now, lets just check we have a route to it...
- ** IF the routing stuff is working, then one of the
- ** topology entries for this unit will have a legit
- ** route *somewhere*. We care not where - if its got
- ** any connections, we can get to it.
- */
- for ( Link = 0; Link < LINKS_PER_UNIT; Link++ ) {
- if ( MapP->Topology[Link].Unit <= (uchar)MAX_RUP ) {
+ ** now, lets just check we have a route to it...
+ ** IF the routing stuff is working, then one of the
+ ** topology entries for this unit will have a legit
+ ** route *somewhere*. We care not where - if its got
+ ** any connections, we can get to it.
+ */
+ for (Link = 0; Link < LINKS_PER_UNIT; Link++) {
+ if (MapP->Topology[Link].Unit <= (uchar) MAX_RUP) {
/*
- ** Its worth trying the operation...
- */
+ ** Its worth trying the operation...
+ */
struct CmdBlk *CmdBlkP;
- rio_dprintk (RIO_DEBUG_CMD, "IDENTIFY RTA\n");
+ rio_dprintk(RIO_DEBUG_CMD, "IDENTIFY RTA\n");
CmdBlkP = RIOGetCmdBlk();
- if ( !CmdBlkP ) {
- rio_dprintk (RIO_DEBUG_CMD, "IDENTIFY RTA: GetCmdBlk failed\n");
+ if (!CmdBlkP) {
+ rio_dprintk(RIO_DEBUG_CMD, "IDENTIFY RTA: GetCmdBlk failed\n");
return -ENXIO;
}
-
+
CmdBlkP->Packet.dest_unit = MapP->ID;
CmdBlkP->Packet.dest_port = BOOT_RUP;
- CmdBlkP->Packet.src_unit = 0;
- CmdBlkP->Packet.src_port = BOOT_RUP;
- CmdBlkP->Packet.len = 0x84;
- CmdBlkP->Packet.data[0] = IDENTIFY;
- CmdBlkP->Packet.data[1] = 0;
- CmdBlkP->Packet.data[2] = IdRta.ID;
-
- if ( RIOQueueCmdBlk( HostP, MapP->ID-1, CmdBlkP) == RIO_FAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "IDENTIFY RTA: Failed to queue command\n");
+ CmdBlkP->Packet.src_unit = 0;
+ CmdBlkP->Packet.src_port = BOOT_RUP;
+ CmdBlkP->Packet.len = 0x84;
+ CmdBlkP->Packet.data[0] = IDENTIFY;
+ CmdBlkP->Packet.data[1] = 0;
+ CmdBlkP->Packet.data[2] = IdRta.ID;
+
+ if (RIOQueueCmdBlk(HostP, MapP->ID - 1, CmdBlkP) == RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "IDENTIFY RTA: Failed to queue command\n");
return -EIO;
}
return 0;
@@ -249,114 +244,110 @@ RIOIdentifyRta(struct rio_info *p, caddr_t arg)
}
}
}
- }
+ }
return -ENOENT;
}
-int
-RIOKillNeighbour(struct rio_info *p, caddr_t arg)
+int RIOKillNeighbour(struct rio_info *p, caddr_t arg)
{
uint Host;
uint ID;
struct Host *HostP;
struct CmdBlk *CmdBlkP;
- rio_dprintk (RIO_DEBUG_CMD, "KILL HOST NEIGHBOUR\n");
+ rio_dprintk(RIO_DEBUG_CMD, "KILL HOST NEIGHBOUR\n");
- if ( copyin( (int)arg, (caddr_t)&KillUnit, sizeof(KillUnit) ) == COPYFAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "RIO_KILL_NEIGHBOUR copy failed\n");
+ if (copyin((int) arg, (caddr_t) & KillUnit, sizeof(KillUnit)) == COPYFAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "RIO_KILL_NEIGHBOUR copy failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
- if ( KillUnit.Link > 3 )
+ if (KillUnit.Link > 3)
return -ENXIO;
-
+
CmdBlkP = RIOGetCmdBlk();
- if ( !CmdBlkP ) {
- rio_dprintk (RIO_DEBUG_CMD, "UFOAD: GetCmdBlk failed\n");
+ if (!CmdBlkP) {
+ rio_dprintk(RIO_DEBUG_CMD, "UFOAD: GetCmdBlk failed\n");
return -ENXIO;
}
CmdBlkP->Packet.dest_unit = 0;
- CmdBlkP->Packet.src_unit = 0;
+ CmdBlkP->Packet.src_unit = 0;
CmdBlkP->Packet.dest_port = BOOT_RUP;
- CmdBlkP->Packet.src_port = BOOT_RUP;
- CmdBlkP->Packet.len = 0x84;
- CmdBlkP->Packet.data[0] = UFOAD;
- CmdBlkP->Packet.data[1] = KillUnit.Link;
- CmdBlkP->Packet.data[2] = UFOAD_MAGIC & 0xFF;
- CmdBlkP->Packet.data[3] = (UFOAD_MAGIC >> 8) & 0xFF;
-
- for ( Host = 0; Host < p->RIONumHosts; Host++ ) {
+ CmdBlkP->Packet.src_port = BOOT_RUP;
+ CmdBlkP->Packet.len = 0x84;
+ CmdBlkP->Packet.data[0] = UFOAD;
+ CmdBlkP->Packet.data[1] = KillUnit.Link;
+ CmdBlkP->Packet.data[2] = UFOAD_MAGIC & 0xFF;
+ CmdBlkP->Packet.data[3] = (UFOAD_MAGIC >> 8) & 0xFF;
+
+ for (Host = 0; Host < p->RIONumHosts; Host++) {
ID = 0;
HostP = &p->RIOHosts[Host];
- if ( HostP->UniqueNum == KillUnit.UniqueNum ) {
- if ( RIOQueueCmdBlk( HostP, RTAS_PER_HOST+KillUnit.Link,
- CmdBlkP) == RIO_FAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "UFOAD: Failed queue command\n");
+ if (HostP->UniqueNum == KillUnit.UniqueNum) {
+ if (RIOQueueCmdBlk(HostP, RTAS_PER_HOST + KillUnit.Link, CmdBlkP) == RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "UFOAD: Failed queue command\n");
return -EIO;
}
return 0;
}
- for ( ID=0; ID < RTAS_PER_HOST; ID++ ) {
- if ( HostP->Mapping[ID].RtaUniqueNum == KillUnit.UniqueNum ) {
- CmdBlkP->Packet.dest_unit = ID+1;
- if ( RIOQueueCmdBlk( HostP, ID, CmdBlkP) == RIO_FAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "UFOAD: Failed queue command\n");
+ for (ID = 0; ID < RTAS_PER_HOST; ID++) {
+ if (HostP->Mapping[ID].RtaUniqueNum == KillUnit.UniqueNum) {
+ CmdBlkP->Packet.dest_unit = ID + 1;
+ if (RIOQueueCmdBlk(HostP, ID, CmdBlkP) == RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "UFOAD: Failed queue command\n");
return -EIO;
}
return 0;
}
}
}
- RIOFreeCmdBlk( CmdBlkP );
+ RIOFreeCmdBlk(CmdBlkP);
return -ENXIO;
}
-int
-RIOSuspendBootRta(struct Host *HostP, int ID, int Link)
+int RIOSuspendBootRta(struct Host *HostP, int ID, int Link)
{
struct CmdBlk *CmdBlkP;
- rio_dprintk (RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA ID %d, link %c\n", ID, 'A' + Link);
+ rio_dprintk(RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA ID %d, link %c\n", ID, 'A' + Link);
CmdBlkP = RIOGetCmdBlk();
- if ( !CmdBlkP ) {
- rio_dprintk (RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: GetCmdBlk failed\n");
+ if (!CmdBlkP) {
+ rio_dprintk(RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: GetCmdBlk failed\n");
return -ENXIO;
}
CmdBlkP->Packet.dest_unit = ID;
CmdBlkP->Packet.dest_port = BOOT_RUP;
- CmdBlkP->Packet.src_unit = 0;
- CmdBlkP->Packet.src_port = BOOT_RUP;
- CmdBlkP->Packet.len = 0x84;
- CmdBlkP->Packet.data[0] = IWAIT;
- CmdBlkP->Packet.data[1] = Link;
- CmdBlkP->Packet.data[2] = IWAIT_MAGIC & 0xFF;
- CmdBlkP->Packet.data[3] = (IWAIT_MAGIC >> 8) & 0xFF;
-
- if ( RIOQueueCmdBlk( HostP, ID - 1, CmdBlkP) == RIO_FAIL ) {
- rio_dprintk (RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: Failed to queue iwait command\n");
+ CmdBlkP->Packet.src_unit = 0;
+ CmdBlkP->Packet.src_port = BOOT_RUP;
+ CmdBlkP->Packet.len = 0x84;
+ CmdBlkP->Packet.data[0] = IWAIT;
+ CmdBlkP->Packet.data[1] = Link;
+ CmdBlkP->Packet.data[2] = IWAIT_MAGIC & 0xFF;
+ CmdBlkP->Packet.data[3] = (IWAIT_MAGIC >> 8) & 0xFF;
+
+ if (RIOQueueCmdBlk(HostP, ID - 1, CmdBlkP) == RIO_FAIL) {
+ rio_dprintk(RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: Failed to queue iwait command\n");
return -EIO;
}
return 0;
}
-int
-RIOFoadWakeup(struct rio_info *p)
+int RIOFoadWakeup(struct rio_info *p)
{
int port;
register struct Port *PortP;
unsigned long flags;
- for ( port=0; port<RIO_PORTS; port++) {
+ for (port = 0; port < RIO_PORTS; port++) {
PortP = p->RIOPortp[port];
rio_spin_lock_irqsave(&PortP->portSem, flags);
@@ -377,16 +368,15 @@ RIOFoadWakeup(struct rio_info *p)
PortP->TxBufferOut = 0;
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
}
- return(0);
+ return (0);
}
/*
** Incoming command on the COMMAND_RUP to be processed.
*/
-static int
-RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP)
+static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT * PacketP)
{
- struct PktCmd *PktCmdP = (struct PktCmd *)PacketP->data;
+ struct PktCmd *PktCmdP = (struct PktCmd *) PacketP->data;
struct Port *PortP;
struct UnixRup *UnixRupP;
ushort SysPort;
@@ -395,128 +385,114 @@ RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP)
ushort subCommand;
unsigned long flags;
- func_enter ();
+ func_enter();
#ifdef CHECK
- CheckHost( Host );
- CheckHostP( HostP );
- CheckPacketP( PacketP );
+ CheckHost(Host);
+ CheckHostP(HostP);
+ CheckPacketP(PacketP);
#endif
/*
- ** 16 port RTA note:
- ** Command rup packets coming from the RTA will have pkt->data[1] (which
- ** translates to PktCmdP->PhbNum) set to the host port number for the
- ** particular unit. To access the correct BaseSysPort for a 16 port RTA,
- ** we can use PhbNum to get the rup number for the appropriate 8 port
- ** block (for the first block, this should be equal to 'Rup').
- */
- rup = RBYTE(PktCmdP->PhbNum) / (ushort)PORTS_PER_RTA;
+ ** 16 port RTA note:
+ ** Command rup packets coming from the RTA will have pkt->data[1] (which
+ ** translates to PktCmdP->PhbNum) set to the host port number for the
+ ** particular unit. To access the correct BaseSysPort for a 16 port RTA,
+ ** we can use PhbNum to get the rup number for the appropriate 8 port
+ ** block (for the first block, this should be equal to 'Rup').
+ */
+ rup = RBYTE(PktCmdP->PhbNum) / (ushort) PORTS_PER_RTA;
UnixRupP = &HostP->UnixRups[rup];
- SysPort = UnixRupP->BaseSysPort +
- (RBYTE(PktCmdP->PhbNum) % (ushort)PORTS_PER_RTA);
- rio_dprintk (RIO_DEBUG_CMD, "Command on rup %d, port %d\n", rup, SysPort);
+ SysPort = UnixRupP->BaseSysPort + (RBYTE(PktCmdP->PhbNum) % (ushort) PORTS_PER_RTA);
+ rio_dprintk(RIO_DEBUG_CMD, "Command on rup %d, port %d\n", rup, SysPort);
#ifdef CHECK
- CheckRup( rup );
- CheckUnixRupP( UnixRupP );
+ CheckRup(rup);
+ CheckUnixRupP(UnixRupP);
#endif
- if ( UnixRupP->BaseSysPort == NO_PORT ) {
- rio_dprintk (RIO_DEBUG_CMD, "OBSCURE ERROR!\n");
- rio_dprintk (RIO_DEBUG_CMD, "Diagnostics follow. Please WRITE THESE DOWN and report them to Specialix Technical Support\n");
- rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: Host number %d, name ``%s''\n",
- HostP-p->RIOHosts, HostP->Name );
- rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: Rup number 0x%x\n", rup);
-
- if ( Rup >= (ushort)MAX_RUP ) {
- rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: This is the RUP for RTA ``%s''\n",
- HostP->Mapping[Rup].Name);
+ if (UnixRupP->BaseSysPort == NO_PORT) {
+ rio_dprintk(RIO_DEBUG_CMD, "OBSCURE ERROR!\n");
+ rio_dprintk(RIO_DEBUG_CMD, "Diagnostics follow. Please WRITE THESE DOWN and report them to Specialix Technical Support\n");
+ rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: Host number %d, name ``%s''\n", HostP - p->RIOHosts, HostP->Name);
+ rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: Rup number 0x%x\n", rup);
+
+ if (Rup >= (ushort) MAX_RUP) {
+ rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: This is the RUP for RTA ``%s''\n", HostP->Mapping[Rup].Name);
} else
- rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: This is the RUP for link ``%c'' of host ``%s''\n",
- ('A' + Rup - MAX_RUP), HostP->Name);
-
- rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Destination 0x%x:0x%x\n",
- PacketP->dest_unit, PacketP->dest_port );
- rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Source 0x%x:0x%x\n",
- PacketP->src_unit, PacketP->src_port );
- rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Length 0x%x (%d)\n", PacketP->len,PacketP->len );
- rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Control 0x%x (%d)\n", PacketP->control, PacketP->control);
- rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Check 0x%x (%d)\n", PacketP->csum, PacketP->csum );
- rio_dprintk (RIO_DEBUG_CMD, "COMMAND information: Host Port Number 0x%x, "
- "Command Code 0x%x\n", PktCmdP->PhbNum, PktCmdP->Command );
+ rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: This is the RUP for link ``%c'' of host ``%s''\n", ('A' + Rup - MAX_RUP), HostP->Name);
+
+ rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Destination 0x%x:0x%x\n", PacketP->dest_unit, PacketP->dest_port);
+ rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Source 0x%x:0x%x\n", PacketP->src_unit, PacketP->src_port);
+ rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Length 0x%x (%d)\n", PacketP->len, PacketP->len);
+ rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Control 0x%x (%d)\n", PacketP->control, PacketP->control);
+ rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Check 0x%x (%d)\n", PacketP->csum, PacketP->csum);
+ rio_dprintk(RIO_DEBUG_CMD, "COMMAND information: Host Port Number 0x%x, " "Command Code 0x%x\n", PktCmdP->PhbNum, PktCmdP->Command);
return TRUE;
}
-
#ifdef CHECK
- CheckSysPort( SysPort );
+ CheckSysPort(SysPort);
#endif
- PortP = p->RIOPortp[ SysPort ];
+ PortP = p->RIOPortp[SysPort];
rio_spin_lock_irqsave(&PortP->portSem, flags);
- switch( RBYTE(PktCmdP->Command) ) {
- case BREAK_RECEIVED:
- rio_dprintk (RIO_DEBUG_CMD, "Received a break!\n");
- /* If the current line disc. is not multi-threading and
- the current processor is not the default, reset rup_intr
- and return FALSE to ensure that the command packet is
- not freed. */
- /* Call tmgr HANGUP HERE */
- /* Fix this later when every thing works !!!! RAMRAJ */
- gs_got_break (&PortP->gs);
+ switch (RBYTE(PktCmdP->Command)) {
+ case BREAK_RECEIVED:
+ rio_dprintk(RIO_DEBUG_CMD, "Received a break!\n");
+ /* If the current line disc. is not multi-threading and
+ the current processor is not the default, reset rup_intr
+ and return FALSE to ensure that the command packet is
+ not freed. */
+ /* Call tmgr HANGUP HERE */
+ /* Fix this later when every thing works !!!! RAMRAJ */
+ gs_got_break(&PortP->gs);
+ break;
+
+ case COMPLETE:
+ rio_dprintk(RIO_DEBUG_CMD, "Command complete on phb %d host %d\n", RBYTE(PktCmdP->PhbNum), HostP - p->RIOHosts);
+ subCommand = 1;
+ switch (RBYTE(PktCmdP->SubCommand)) {
+ case MEMDUMP:
+ rio_dprintk(RIO_DEBUG_CMD, "Memory dump cmd (0x%x) from addr 0x%x\n", RBYTE(PktCmdP->SubCommand), RWORD(PktCmdP->SubAddr));
break;
+ case READ_REGISTER:
+ rio_dprintk(RIO_DEBUG_CMD, "Read register (0x%x)\n", RWORD(PktCmdP->SubAddr));
+ p->CdRegister = (RBYTE(PktCmdP->ModemStatus) & MSVR1_HOST);
+ break;
+ default:
+ subCommand = 0;
+ break;
+ }
+ if (subCommand)
+ break;
+ rio_dprintk(RIO_DEBUG_CMD, "New status is 0x%x was 0x%x\n", RBYTE(PktCmdP->PortStatus), PortP->PortState);
+ if (PortP->PortState != RBYTE(PktCmdP->PortStatus)) {
+ rio_dprintk(RIO_DEBUG_CMD, "Mark status & wakeup\n");
+ PortP->PortState = RBYTE(PktCmdP->PortStatus);
+ /* What should we do here ...
+ wakeup( &PortP->PortState );
+ */
+ } else
+ rio_dprintk(RIO_DEBUG_CMD, "No change\n");
- case COMPLETE:
- rio_dprintk (RIO_DEBUG_CMD, "Command complete on phb %d host %d\n",
- RBYTE(PktCmdP->PhbNum), HostP-p->RIOHosts);
- subCommand = 1;
- switch (RBYTE(PktCmdP->SubCommand)) {
- case MEMDUMP :
- rio_dprintk (RIO_DEBUG_CMD, "Memory dump cmd (0x%x) from addr 0x%x\n",
- RBYTE(PktCmdP->SubCommand), RWORD(PktCmdP->SubAddr));
- break;
- case READ_REGISTER :
- rio_dprintk (RIO_DEBUG_CMD, "Read register (0x%x)\n", RWORD(PktCmdP->SubAddr));
- p->CdRegister = (RBYTE(PktCmdP->ModemStatus) & MSVR1_HOST);
- break;
- default :
- subCommand = 0;
- break;
- }
- if (subCommand)
- break;
- rio_dprintk (RIO_DEBUG_CMD, "New status is 0x%x was 0x%x\n",
- RBYTE(PktCmdP->PortStatus),PortP->PortState);
- if (PortP->PortState != RBYTE(PktCmdP->PortStatus)) {
- rio_dprintk (RIO_DEBUG_CMD, "Mark status & wakeup\n");
- PortP->PortState = RBYTE(PktCmdP->PortStatus);
- /* What should we do here ...
- wakeup( &PortP->PortState );
- */
- } else
- rio_dprintk (RIO_DEBUG_CMD, "No change\n");
-
- /* FALLTHROUGH */
- case MODEM_STATUS:
+ /* FALLTHROUGH */
+ case MODEM_STATUS:
+ /*
+ ** Knock out the tbusy and tstop bits, as these are not relevant
+ ** to the check for modem status change (they're just there because
+ ** it's a convenient place to put them!).
+ */
+ ReportedModemStatus = RBYTE(PktCmdP->ModemStatus);
+ if ((PortP->ModemState & MSVR1_HOST) == (ReportedModemStatus & MSVR1_HOST)) {
+ rio_dprintk(RIO_DEBUG_CMD, "Modem status unchanged 0x%x\n", PortP->ModemState);
/*
- ** Knock out the tbusy and tstop bits, as these are not relevant
- ** to the check for modem status change (they're just there because
- ** it's a convenient place to put them!).
- */
- ReportedModemStatus = RBYTE(PktCmdP->ModemStatus);
- if ((PortP->ModemState & MSVR1_HOST) ==
- (ReportedModemStatus & MSVR1_HOST)) {
- rio_dprintk (RIO_DEBUG_CMD, "Modem status unchanged 0x%x\n", PortP->ModemState);
- /*
- ** Update ModemState just in case tbusy or tstop states have
- ** changed.
- */
- PortP->ModemState = ReportedModemStatus;
- }
- else {
- rio_dprintk (RIO_DEBUG_CMD, "Modem status change from 0x%x to 0x%x\n",
- PortP->ModemState, ReportedModemStatus);
- PortP->ModemState = ReportedModemStatus;
+ ** Update ModemState just in case tbusy or tstop states have
+ ** changed.
+ */
+ PortP->ModemState = ReportedModemStatus;
+ } else {
+ rio_dprintk(RIO_DEBUG_CMD, "Modem status change from 0x%x to 0x%x\n", PortP->ModemState, ReportedModemStatus);
+ PortP->ModemState = ReportedModemStatus;
#ifdef MODEM_SUPPORT
- if ( PortP->Mapped ) {
+ if (PortP->Mapped) {
/***********************************************************\
*************************************************************
*** ***
@@ -525,68 +501,67 @@ RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP)
*************************************************************
\***********************************************************/
/*
- ** If the device is a modem, then check the modem
- ** carrier.
- */
+ ** If the device is a modem, then check the modem
+ ** carrier.
+ */
if (PortP->gs.tty == NULL)
break;
if (PortP->gs.tty->termios == NULL)
break;
-
- if (!(PortP->gs.tty->termios->c_cflag & CLOCAL) &&
- ((PortP->State & (RIO_MOPEN|RIO_WOPEN)))) {
- rio_dprintk (RIO_DEBUG_CMD, "Is there a Carrier?\n");
- /*
- ** Is there a carrier?
- */
- if ( PortP->ModemState & MSVR1_CD ) {
- /*
- ** Has carrier just appeared?
- */
+ if (!(PortP->gs.tty->termios->c_cflag & CLOCAL) && ((PortP->State & (RIO_MOPEN | RIO_WOPEN)))) {
+
+ rio_dprintk(RIO_DEBUG_CMD, "Is there a Carrier?\n");
+ /*
+ ** Is there a carrier?
+ */
+ if (PortP->ModemState & MSVR1_CD) {
+ /*
+ ** Has carrier just appeared?
+ */
if (!(PortP->State & RIO_CARR_ON)) {
- rio_dprintk (RIO_DEBUG_CMD, "Carrier just came up.\n");
+ rio_dprintk(RIO_DEBUG_CMD, "Carrier just came up.\n");
PortP->State |= RIO_CARR_ON;
- /*
- ** wakeup anyone in WOPEN
- */
- if (PortP->State & (PORT_ISOPEN | RIO_WOPEN) )
- wake_up_interruptible (&PortP->gs.open_wait);
+ /*
+ ** wakeup anyone in WOPEN
+ */
+ if (PortP->State & (PORT_ISOPEN | RIO_WOPEN))
+ wake_up_interruptible(&PortP->gs.open_wait);
#ifdef STATS
- PortP->Stat.ModemOnCnt++;
+ PortP->Stat.ModemOnCnt++;
#endif
- }
+ }
} else {
- /*
- ** Has carrier just dropped?
- */
+ /*
+ ** Has carrier just dropped?
+ */
if (PortP->State & RIO_CARR_ON) {
- if (PortP->State & (PORT_ISOPEN|RIO_WOPEN|RIO_MOPEN))
- tty_hangup (PortP->gs.tty);
+ if (PortP->State & (PORT_ISOPEN | RIO_WOPEN | RIO_MOPEN))
+ tty_hangup(PortP->gs.tty);
PortP->State &= ~RIO_CARR_ON;
- rio_dprintk (RIO_DEBUG_CMD, "Carrirer just went down\n");
+ rio_dprintk(RIO_DEBUG_CMD, "Carrirer just went down\n");
#ifdef STATS
- PortP->Stat.ModemOffCnt++;
+ PortP->Stat.ModemOffCnt++;
#endif
+ }
+ }
+ }
}
- }
- }
- }
#endif
- }
- break;
+ }
+ break;
- default:
- rio_dprintk (RIO_DEBUG_CMD, "Unknown command %d on CMD_RUP of host %d\n",
- RBYTE(PktCmdP->Command),HostP-p->RIOHosts);
- break;
+ default:
+ rio_dprintk(RIO_DEBUG_CMD, "Unknown command %d on CMD_RUP of host %d\n", RBYTE(PktCmdP->Command), HostP - p->RIOHosts);
+ break;
}
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
- func_exit ();
+ func_exit();
return TRUE;
}
+
/*
** The command mechanism:
** Each rup has a chain of commands associated with it.
@@ -600,12 +575,11 @@ RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP)
/*
** Allocate an empty command block.
*/
-struct CmdBlk *
-RIOGetCmdBlk(void)
+struct CmdBlk *RIOGetCmdBlk(void)
{
struct CmdBlk *CmdBlkP;
- CmdBlkP = (struct CmdBlk *)sysbrk(sizeof(struct CmdBlk));
+ CmdBlkP = (struct CmdBlk *) sysbrk(sizeof(struct CmdBlk));
if (CmdBlkP)
bzero(CmdBlkP, sizeof(struct CmdBlk));
@@ -615,31 +589,29 @@ RIOGetCmdBlk(void)
/*
** Return a block to the head of the free list.
*/
-void
-RIOFreeCmdBlk(struct CmdBlk *CmdBlkP)
+void RIOFreeCmdBlk(struct CmdBlk *CmdBlkP)
{
- sysfree((void *)CmdBlkP, sizeof(struct CmdBlk));
+ sysfree((void *) CmdBlkP, sizeof(struct CmdBlk));
}
/*
** attach a command block to the list of commands to be performed for
** a given rup.
*/
-int
-RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP)
+int RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP)
{
struct CmdBlk **Base;
struct UnixRup *UnixRupP;
unsigned long flags;
#ifdef CHECK
- CheckHostP( HostP );
- CheckRup( Rup );
- CheckCmdBlkP( CmdBlkP );
+ CheckHostP(HostP);
+ CheckRup(Rup);
+ CheckCmdBlkP(CmdBlkP);
#endif
- if ( Rup >= (ushort)(MAX_RUP+LINKS_PER_UNIT) ) {
- rio_dprintk (RIO_DEBUG_CMD, "Illegal rup number %d in RIOQueueCmdBlk\n",Rup);
- RIOFreeCmdBlk( CmdBlkP );
+ if (Rup >= (ushort) (MAX_RUP + LINKS_PER_UNIT)) {
+ rio_dprintk(RIO_DEBUG_CMD, "Illegal rup number %d in RIOQueueCmdBlk\n", Rup);
+ RIOFreeCmdBlk(CmdBlkP);
return RIO_FAIL;
}
@@ -648,57 +620,52 @@ RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP)
rio_spin_lock_irqsave(&UnixRupP->RupLock, flags);
/*
- ** If the RUP is currently inactive, then put the request
- ** straight on the RUP....
- */
- if ( (UnixRupP->CmdsWaitingP == NULL) && (UnixRupP->CmdPendingP == NULL) &&
- (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE ) &&
- (CmdBlkP->PreFuncP ? (*CmdBlkP->PreFuncP)(CmdBlkP->PreArg,CmdBlkP)
- :TRUE)) {
- rio_dprintk (RIO_DEBUG_CMD, "RUP inactive-placing command straight on. Cmd byte is 0x%x\n",
- CmdBlkP->Packet.data[0]);
+ ** If the RUP is currently inactive, then put the request
+ ** straight on the RUP....
+ */
+ if ((UnixRupP->CmdsWaitingP == NULL) && (UnixRupP->CmdPendingP == NULL) && (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE) && (CmdBlkP->PreFuncP ? (*CmdBlkP->PreFuncP) (CmdBlkP->PreArg, CmdBlkP)
+ : TRUE)) {
+ rio_dprintk(RIO_DEBUG_CMD, "RUP inactive-placing command straight on. Cmd byte is 0x%x\n", CmdBlkP->Packet.data[0]);
/*
- ** Whammy! blat that pack!
- */
- HostP->Copy( (caddr_t)&CmdBlkP->Packet,
- RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt ), sizeof(PKT) );
+ ** Whammy! blat that pack!
+ */
+ HostP->Copy((caddr_t) & CmdBlkP->Packet, RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt), sizeof(PKT));
/*
- ** place command packet on the pending position.
- */
+ ** place command packet on the pending position.
+ */
UnixRupP->CmdPendingP = CmdBlkP;
/*
- ** set the command register
- */
- WWORD(UnixRupP->RupP->txcontrol , TX_PACKET_READY);
+ ** set the command register
+ */
+ WWORD(UnixRupP->RupP->txcontrol, TX_PACKET_READY);
rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
return RIO_SUCCESS;
}
- rio_dprintk (RIO_DEBUG_CMD, "RUP active - en-queing\n");
+ rio_dprintk(RIO_DEBUG_CMD, "RUP active - en-queing\n");
- if ( UnixRupP->CmdsWaitingP != NULL)
- rio_dprintk (RIO_DEBUG_CMD, "Rup active - command waiting\n");
- if ( UnixRupP->CmdPendingP != NULL )
- rio_dprintk (RIO_DEBUG_CMD, "Rup active - command pending\n");
- if ( RWORD(UnixRupP->RupP->txcontrol) != TX_RUP_INACTIVE )
- rio_dprintk (RIO_DEBUG_CMD, "Rup active - command rup not ready\n");
+ if (UnixRupP->CmdsWaitingP != NULL)
+ rio_dprintk(RIO_DEBUG_CMD, "Rup active - command waiting\n");
+ if (UnixRupP->CmdPendingP != NULL)
+ rio_dprintk(RIO_DEBUG_CMD, "Rup active - command pending\n");
+ if (RWORD(UnixRupP->RupP->txcontrol) != TX_RUP_INACTIVE)
+ rio_dprintk(RIO_DEBUG_CMD, "Rup active - command rup not ready\n");
Base = &UnixRupP->CmdsWaitingP;
- rio_dprintk (RIO_DEBUG_CMD, "First try to queue cmdblk 0x%x at 0x%x\n", (int)CmdBlkP,(int)Base);
+ rio_dprintk(RIO_DEBUG_CMD, "First try to queue cmdblk 0x%x at 0x%x\n", (int) CmdBlkP, (int) Base);
- while ( *Base ) {
- rio_dprintk (RIO_DEBUG_CMD, "Command cmdblk 0x%x here\n", (int)(*Base));
+ while (*Base) {
+ rio_dprintk(RIO_DEBUG_CMD, "Command cmdblk 0x%x here\n", (int) (*Base));
Base = &((*Base)->NextP);
- rio_dprintk (RIO_DEBUG_CMD, "Now try to queue cmd cmdblk 0x%x at 0x%x\n",
- (int)CmdBlkP,(int)Base);
+ rio_dprintk(RIO_DEBUG_CMD, "Now try to queue cmd cmdblk 0x%x at 0x%x\n", (int) CmdBlkP, (int) Base);
}
- rio_dprintk (RIO_DEBUG_CMD, "Will queue cmdblk 0x%x at 0x%x\n",(int)CmdBlkP,(int)Base);
+ rio_dprintk(RIO_DEBUG_CMD, "Will queue cmdblk 0x%x at 0x%x\n", (int) CmdBlkP, (int) Base);
*Base = CmdBlkP;
@@ -713,8 +680,7 @@ RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP)
** Here we go - if there is an empty rup, fill it!
** must be called at splrio() or higher.
*/
-void
-RIOPollHostCommands(struct rio_info *p, struct Host *HostP)
+void RIOPollHostCommands(struct rio_info *p, struct Host *HostP)
{
register struct CmdBlk *CmdBlkP;
register struct UnixRup *UnixRupP;
@@ -723,262 +689,246 @@ RIOPollHostCommands(struct rio_info *p, struct Host *HostP)
unsigned long flags;
- Rup = MAX_RUP+LINKS_PER_UNIT;
+ Rup = MAX_RUP + LINKS_PER_UNIT;
- do { /* do this loop for each RUP */
+ do { /* do this loop for each RUP */
/*
- ** locate the rup we are processing & lock it
- */
+ ** locate the rup we are processing & lock it
+ */
UnixRupP = &HostP->UnixRups[--Rup];
spin_lock_irqsave(&UnixRupP->RupLock, flags);
/*
- ** First check for incoming commands:
- */
- if ( RWORD(UnixRupP->RupP->rxcontrol) != RX_RUP_INACTIVE ) {
+ ** First check for incoming commands:
+ */
+ if (RWORD(UnixRupP->RupP->rxcontrol) != RX_RUP_INACTIVE) {
int FreeMe;
- PacketP =(PKT *)RIO_PTR(HostP->Caddr,RWORD(UnixRupP->RupP->rxpkt));
+ PacketP = (PKT *) RIO_PTR(HostP->Caddr, RWORD(UnixRupP->RupP->rxpkt));
- ShowPacket( DBG_CMD, PacketP );
+ ShowPacket(DBG_CMD, PacketP);
- switch ( RBYTE(PacketP->dest_port) ) {
- case BOOT_RUP:
- rio_dprintk (RIO_DEBUG_CMD, "Incoming Boot %s packet '%x'\n",
- RBYTE(PacketP->len) & 0x80 ? "Command":"Data",
- RBYTE(PacketP->data[0]));
- rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
- FreeMe= RIOBootRup(p, Rup,HostP,PacketP);
- rio_spin_lock_irqsave(&UnixRupP->RupLock, flags);
- break;
+ switch (RBYTE(PacketP->dest_port)) {
+ case BOOT_RUP:
+ rio_dprintk(RIO_DEBUG_CMD, "Incoming Boot %s packet '%x'\n", RBYTE(PacketP->len) & 0x80 ? "Command" : "Data", RBYTE(PacketP->data[0]));
+ rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
+ FreeMe = RIOBootRup(p, Rup, HostP, PacketP);
+ rio_spin_lock_irqsave(&UnixRupP->RupLock, flags);
+ break;
- case COMMAND_RUP:
- /*
- ** Free the RUP lock as loss of carrier causes a
- ** ttyflush which will (eventually) call another
- ** routine that uses the RUP lock.
- */
- rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
- FreeMe= RIOCommandRup(p, Rup,HostP,PacketP);
- if (PacketP->data[5] == MEMDUMP) {
- rio_dprintk (RIO_DEBUG_CMD, "Memdump from 0x%x complete\n",
- *(ushort *) &(PacketP->data[6]));
- HostP->Copy( (caddr_t)&(PacketP->data[8]),
- (caddr_t)p->RIOMemDump, 32 );
- }
- rio_spin_lock_irqsave(&UnixRupP->RupLock, flags);
- break;
+ case COMMAND_RUP:
+ /*
+ ** Free the RUP lock as loss of carrier causes a
+ ** ttyflush which will (eventually) call another
+ ** routine that uses the RUP lock.
+ */
+ rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
+ FreeMe = RIOCommandRup(p, Rup, HostP, PacketP);
+ if (PacketP->data[5] == MEMDUMP) {
+ rio_dprintk(RIO_DEBUG_CMD, "Memdump from 0x%x complete\n", *(ushort *) & (PacketP->data[6]));
+ HostP->Copy((caddr_t) & (PacketP->data[8]), (caddr_t) p->RIOMemDump, 32);
+ }
+ rio_spin_lock_irqsave(&UnixRupP->RupLock, flags);
+ break;
- case ROUTE_RUP:
- rio_spin_unlock_irqrestore( &UnixRupP->RupLock, flags);
- FreeMe = RIORouteRup(p, Rup, HostP, PacketP );
- rio_spin_lock_irqsave( &UnixRupP->RupLock, flags );
- break;
+ case ROUTE_RUP:
+ rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
+ FreeMe = RIORouteRup(p, Rup, HostP, PacketP);
+ rio_spin_lock_irqsave(&UnixRupP->RupLock, flags);
+ break;
- default:
- rio_dprintk (RIO_DEBUG_CMD, "Unknown RUP %d\n", RBYTE(PacketP->dest_port));
- FreeMe = 1;
- break;
+ default:
+ rio_dprintk(RIO_DEBUG_CMD, "Unknown RUP %d\n", RBYTE(PacketP->dest_port));
+ FreeMe = 1;
+ break;
}
- if ( FreeMe ) {
- rio_dprintk (RIO_DEBUG_CMD, "Free processed incoming command packet\n");
- put_free_end(HostP,PacketP);
+ if (FreeMe) {
+ rio_dprintk(RIO_DEBUG_CMD, "Free processed incoming command packet\n");
+ put_free_end(HostP, PacketP);
- WWORD(UnixRupP->RupP->rxcontrol , RX_RUP_INACTIVE);
+ WWORD(UnixRupP->RupP->rxcontrol, RX_RUP_INACTIVE);
- if ( RWORD(UnixRupP->RupP->handshake)==PHB_HANDSHAKE_SET ) {
- rio_dprintk (RIO_DEBUG_CMD, "Handshake rup %d\n",Rup);
- WWORD(UnixRupP->RupP->handshake,
- PHB_HANDSHAKE_SET|PHB_HANDSHAKE_RESET);
+ if (RWORD(UnixRupP->RupP->handshake) == PHB_HANDSHAKE_SET) {
+ rio_dprintk(RIO_DEBUG_CMD, "Handshake rup %d\n", Rup);
+ WWORD(UnixRupP->RupP->handshake, PHB_HANDSHAKE_SET | PHB_HANDSHAKE_RESET);
}
}
}
/*
- ** IF a command was running on the port,
- ** and it has completed, then tidy it up.
- */
- if ( (CmdBlkP = UnixRupP->CmdPendingP) && /* ASSIGN! */
- (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) {
+ ** IF a command was running on the port,
+ ** and it has completed, then tidy it up.
+ */
+ if ((CmdBlkP = UnixRupP->CmdPendingP) && /* ASSIGN! */
+ (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) {
/*
- ** we are idle.
- ** there is a command in pending.
- ** Therefore, this command has finished.
- ** So, wakeup whoever is waiting for it (and tell them
- ** what happened).
- */
- if ( CmdBlkP->Packet.dest_port == BOOT_RUP )
- rio_dprintk (RIO_DEBUG_CMD, "Free Boot %s Command Block '%x'\n",
- CmdBlkP->Packet.len & 0x80 ? "Command":"Data",
- CmdBlkP->Packet.data[0]);
-
- rio_dprintk (RIO_DEBUG_CMD, "Command 0x%x completed\n",(int)CmdBlkP);
+ ** we are idle.
+ ** there is a command in pending.
+ ** Therefore, this command has finished.
+ ** So, wakeup whoever is waiting for it (and tell them
+ ** what happened).
+ */
+ if (CmdBlkP->Packet.dest_port == BOOT_RUP)
+ rio_dprintk(RIO_DEBUG_CMD, "Free Boot %s Command Block '%x'\n", CmdBlkP->Packet.len & 0x80 ? "Command" : "Data", CmdBlkP->Packet.data[0]);
+
+ rio_dprintk(RIO_DEBUG_CMD, "Command 0x%x completed\n", (int) CmdBlkP);
/*
- ** Clear the Rup lock to prevent mutual exclusion.
- */
- if ( CmdBlkP->PostFuncP ) {
+ ** Clear the Rup lock to prevent mutual exclusion.
+ */
+ if (CmdBlkP->PostFuncP) {
rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
- (*CmdBlkP->PostFuncP) (CmdBlkP->PostArg,CmdBlkP);
+ (*CmdBlkP->PostFuncP) (CmdBlkP->PostArg, CmdBlkP);
rio_spin_lock_irqsave(&UnixRupP->RupLock, flags);
}
/*
- ** ....clear the pending flag....
- */
+ ** ....clear the pending flag....
+ */
UnixRupP->CmdPendingP = NULL;
/*
- ** ....and return the command block to the freelist.
- */
- RIOFreeCmdBlk( CmdBlkP );
+ ** ....and return the command block to the freelist.
+ */
+ RIOFreeCmdBlk(CmdBlkP);
}
/*
- ** If there is a command for this rup, and the rup
- ** is idle, then process the command
- */
- if ( (CmdBlkP = UnixRupP->CmdsWaitingP) && /* ASSIGN! */
- (UnixRupP->CmdPendingP == NULL) &&
- (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) {
+ ** If there is a command for this rup, and the rup
+ ** is idle, then process the command
+ */
+ if ((CmdBlkP = UnixRupP->CmdsWaitingP) && /* ASSIGN! */
+ (UnixRupP->CmdPendingP == NULL) && (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) {
/*
- ** if the pre-function is non-zero, call it.
- ** If it returns RIO_FAIL then don't
- ** send this command yet!
- */
+ ** if the pre-function is non-zero, call it.
+ ** If it returns RIO_FAIL then don't
+ ** send this command yet!
+ */
#ifdef CHECK
- CheckCmdBlkP (CmdBlkP);
+ CheckCmdBlkP(CmdBlkP);
#endif
- if ( !(CmdBlkP->PreFuncP ?
- (*CmdBlkP->PreFuncP)(CmdBlkP->PreArg, CmdBlkP) : TRUE)) {
- rio_dprintk (RIO_DEBUG_CMD, "Not ready to start command 0x%x\n",(int)CmdBlkP);
- }
- else {
- rio_dprintk (RIO_DEBUG_CMD, "Start new command 0x%x Cmd byte is 0x%x\n",
- (int)CmdBlkP, CmdBlkP->Packet.data[0]);
+ if (!(CmdBlkP->PreFuncP ? (*CmdBlkP->PreFuncP) (CmdBlkP->PreArg, CmdBlkP) : TRUE)) {
+ rio_dprintk(RIO_DEBUG_CMD, "Not ready to start command 0x%x\n", (int) CmdBlkP);
+ } else {
+ rio_dprintk(RIO_DEBUG_CMD, "Start new command 0x%x Cmd byte is 0x%x\n", (int) CmdBlkP, CmdBlkP->Packet.data[0]);
/*
- ** Whammy! blat that pack!
- */
+ ** Whammy! blat that pack!
+ */
#ifdef CHECK
- CheckPacketP ((PKT *)RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt));
+ CheckPacketP((PKT *) RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt));
#endif
- HostP->Copy( (caddr_t)&CmdBlkP->Packet,
- RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt), sizeof(PKT));
+ HostP->Copy((caddr_t) & CmdBlkP->Packet, RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt), sizeof(PKT));
/*
- ** remove the command from the rup command queue...
- */
+ ** remove the command from the rup command queue...
+ */
UnixRupP->CmdsWaitingP = CmdBlkP->NextP;
/*
- ** ...and place it on the pending position.
- */
+ ** ...and place it on the pending position.
+ */
UnixRupP->CmdPendingP = CmdBlkP;
/*
- ** set the command register
- */
- WWORD(UnixRupP->RupP->txcontrol,TX_PACKET_READY);
+ ** set the command register
+ */
+ WWORD(UnixRupP->RupP->txcontrol, TX_PACKET_READY);
/*
- ** the command block will be freed
- ** when the command has been processed.
- */
+ ** the command block will be freed
+ ** when the command has been processed.
+ */
}
}
spin_unlock_irqrestore(&UnixRupP->RupLock, flags);
- } while ( Rup );
+ } while (Rup);
}
-int
-RIOWFlushMark(int iPortP, struct CmdBlk *CmdBlkP)
+int RIOWFlushMark(int iPortP, struct CmdBlk *CmdBlkP)
{
- struct Port * PortP = (struct Port *)iPortP;
+ struct Port *PortP = (struct Port *) iPortP;
unsigned long flags;
rio_spin_lock_irqsave(&PortP->portSem, flags);
#ifdef CHECK
- CheckPortP( PortP );
+ CheckPortP(PortP);
#endif
PortP->WflushFlag++;
PortP->MagicFlags |= MAGIC_FLUSH;
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
- return RIOUnUse( iPortP, CmdBlkP );
+ return RIOUnUse(iPortP, CmdBlkP);
}
-int
-RIORFlushEnable(int iPortP, struct CmdBlk *CmdBlkP)
+int RIORFlushEnable(int iPortP, struct CmdBlk *CmdBlkP)
{
- struct Port * PortP = (struct Port *)iPortP;
+ struct Port *PortP = (struct Port *) iPortP;
PKT *PacketP;
unsigned long flags;
rio_spin_lock_irqsave(&PortP->portSem, flags);
- while ( can_remove_receive(&PacketP, PortP) ) {
+ while (can_remove_receive(&PacketP, PortP)) {
remove_receive(PortP);
- ShowPacket(DBG_PROC, PacketP );
- put_free_end( PortP->HostP, PacketP );
+ ShowPacket(DBG_PROC, PacketP);
+ put_free_end(PortP->HostP, PacketP);
}
- if ( RWORD(PortP->PhbP->handshake)==PHB_HANDSHAKE_SET ) {
+ if (RWORD(PortP->PhbP->handshake) == PHB_HANDSHAKE_SET) {
/*
- ** MAGIC! (Basically, handshake the RX buffer, so that
- ** the RTAs upstream can be re-enabled.)
- */
- rio_dprintk (RIO_DEBUG_CMD, "Util: Set RX handshake bit\n");
- WWORD(PortP->PhbP->handshake, PHB_HANDSHAKE_SET|PHB_HANDSHAKE_RESET);
+ ** MAGIC! (Basically, handshake the RX buffer, so that
+ ** the RTAs upstream can be re-enabled.)
+ */
+ rio_dprintk(RIO_DEBUG_CMD, "Util: Set RX handshake bit\n");
+ WWORD(PortP->PhbP->handshake, PHB_HANDSHAKE_SET | PHB_HANDSHAKE_RESET);
}
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
- return RIOUnUse( iPortP, CmdBlkP );
+ return RIOUnUse(iPortP, CmdBlkP);
}
-int
-RIOUnUse(int iPortP, struct CmdBlk *CmdBlkP)
+int RIOUnUse(int iPortP, struct CmdBlk *CmdBlkP)
{
- struct Port * PortP = (struct Port *)iPortP;
+ struct Port *PortP = (struct Port *) iPortP;
unsigned long flags;
rio_spin_lock_irqsave(&PortP->portSem, flags);
#ifdef CHECK
- CheckPortP( PortP );
+ CheckPortP(PortP);
#endif
- rio_dprintk (RIO_DEBUG_CMD, "Decrement in use count for port\n");
+ rio_dprintk(RIO_DEBUG_CMD, "Decrement in use count for port\n");
if (PortP->InUse) {
- if ( --PortP->InUse != NOT_INUSE ) {
+ if (--PortP->InUse != NOT_INUSE) {
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
return 0;
}
}
/*
- ** While PortP->InUse is set (i.e. a preemptive command has been sent to
- ** the RTA and is awaiting completion), any transmit data is prevented from
- ** being transferred from the write queue into the transmit packets
- ** (add_transmit) and no furthur transmit interrupt will be sent for that
- ** data. The next interrupt will occur up to 500ms later (RIOIntr is called
- ** twice a second as a saftey measure). This was the case when kermit was
- ** used to send data into a RIO port. After each packet was sent, TCFLSH
- ** was called to flush the read queue preemptively. PortP->InUse was
- ** incremented, thereby blocking the 6 byte acknowledgement packet
- ** transmitted back. This acknowledgment hung around for 500ms before
- ** being sent, thus reducing input performance substantially!.
- ** When PortP->InUse becomes NOT_INUSE, we must ensure that any data
- ** hanging around in the transmit buffer is sent immediately.
- */
+ ** While PortP->InUse is set (i.e. a preemptive command has been sent to
+ ** the RTA and is awaiting completion), any transmit data is prevented from
+ ** being transferred from the write queue into the transmit packets
+ ** (add_transmit) and no furthur transmit interrupt will be sent for that
+ ** data. The next interrupt will occur up to 500ms later (RIOIntr is called
+ ** twice a second as a saftey measure). This was the case when kermit was
+ ** used to send data into a RIO port. After each packet was sent, TCFLSH
+ ** was called to flush the read queue preemptively. PortP->InUse was
+ ** incremented, thereby blocking the 6 byte acknowledgement packet
+ ** transmitted back. This acknowledgment hung around for 500ms before
+ ** being sent, thus reducing input performance substantially!.
+ ** When PortP->InUse becomes NOT_INUSE, we must ensure that any data
+ ** hanging around in the transmit buffer is sent immediately.
+ */
WWORD(PortP->HostP->ParmMapP->tx_intr, 1);
/* What to do here ..
- wakeup( (caddr_t)&(PortP->InUse) );
- */
+ wakeup( (caddr_t)&(PortP->InUse) );
+ */
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
return 0;
}
-void
-ShowPacket(uint Flags, struct PKT *PacketP)
+void ShowPacket(uint Flags, struct PKT *PacketP)
{
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 18:09:16 +0000