diff options
Diffstat (limited to 'drivers/char/rio/list.h')
| -rw-r--r-- | drivers/char/rio/list.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/drivers/char/rio/list.h b/drivers/char/rio/list.h index 36aad4c..79b8531 100644 --- a/drivers/char/rio/list.h +++ b/drivers/char/rio/list.h @@ -44,8 +44,6 @@ static char *_rio_list_h_sccs = "@(#)list.h 1.9"; #define PKT_IN_USE 0x1 -#ifdef INKERNEL - #define ZERO_PTR (ushort) 0x8000 #define CaD PortP->Caddr @@ -54,143 +52,5 @@ static char *_rio_list_h_sccs = "@(#)list.h 1.9"; ** to by the TxAdd pointer has PKT_IN_USE clear in its address. */ -#ifndef linux -#if defined( MIPS ) && !defined( MIPSEISA ) -/* May the shoes of the Devil dance on your grave for creating this */ -#define can_add_transmit(PacketP,PortP) \ - (!((uint)(PacketP = (struct PKT *)RIO_PTR(CaD,RINDW(PortP->TxAdd))) \ - & (PKT_IN_USE<<2))) - -#elif defined(MIPSEISA) || defined(nx6000) || \ - defined(drs6000) || defined(UWsparc) - -#define can_add_transmit(PacketP,PortP) \ - (!((uint)(PacketP = (struct PKT *)RIO_PTR(CaD,RINDW(PortP->TxAdd))) \ - & PKT_IN_USE)) - -#else -#define can_add_transmit(PacketP,PortP) \ - (!((uint)(PacketP = (struct PKT *)RIO_PTR(CaD,*PortP->TxAdd)) \ - & PKT_IN_USE)) -#endif - -/* -** To add a packet to the queue, you set the PKT_IN_USE bit in the address, -** and then move the TxAdd pointer along one position to point to the next -** packet pointer. You must wrap the pointer from the end back to the start. -*/ -#if defined(MIPS) || defined(nx6000) || defined(drs6000) || defined(UWsparc) -# define add_transmit(PortP) \ - WINDW(PortP->TxAdd,RINDW(PortP->TxAdd) | PKT_IN_USE);\ - if (PortP->TxAdd == PortP->TxEnd)\ - PortP->TxAdd = PortP->TxStart;\ - else\ - PortP->TxAdd++;\ - WWORD(PortP->PhbP->tx_add , RIO_OFF(CaD,PortP->TxAdd)); -#elif defined(AIX) -# define add_transmit(PortP) \ - {\ - register ushort *TxAddP = (ushort *)RIO_PTR(Cad,PortP->TxAddO);\ - WINDW( TxAddP, RINDW( TxAddP ) | PKT_IN_USE );\ - if (PortP->TxAddO == PortP->TxEndO )\ - PortP->TxAddO = PortP->TxStartO;\ - else\ - PortP->TxAddO += sizeof(ushort);\ - WWORD(((PHB *)RIO_PTR(Cad,PortP->PhbO))->tx_add , PortP->TxAddO );\ - } -#else -# define add_transmit(PortP) \ - *PortP->TxAdd |= PKT_IN_USE;\ - if (PortP->TxAdd == PortP->TxEnd)\ - PortP->TxAdd = PortP->TxStart;\ - else\ - PortP->TxAdd++;\ - PortP->PhbP->tx_add = RIO_OFF(CaD,PortP->TxAdd); -#endif - -/* -** can_remove_receive( PacketP, PortP ) returns non-zero if PKT_IN_USE is set -** for the next packet on the queue. It will also set PacketP to point to the -** relevant packet, [having cleared the PKT_IN_USE bit]. If PKT_IN_USE is clear, -** then can_remove_receive() returns 0. -*/ -#if defined(MIPS) || defined(nx6000) || defined(drs6000) || defined(UWsparc) -# define can_remove_receive(PacketP,PortP) \ - ((RINDW(PortP->RxRemove) & PKT_IN_USE) ? \ - (PacketP=(struct PKT *)RIO_PTR(CaD,(RINDW(PortP->RxRemove) & ~PKT_IN_USE))):0) -#elif defined(AIX) -# define can_remove_receive(PacketP,PortP) \ - ((RINDW((ushort *)RIO_PTR(Cad,PortP->RxRemoveO)) & PKT_IN_USE) ? \ - (PacketP=(struct PKT *)RIO_PTR(Cad,RINDW((ushort *)RIO_PTR(Cad,PortP->RxRemoveO)) & ~PKT_IN_USE)):0) -#else -# define can_remove_receive(PacketP,PortP) \ - ((*PortP->RxRemove & PKT_IN_USE) ? \ - (PacketP=(struct PKT *)RIO_PTR(CaD,(*PortP->RxRemove & ~PKT_IN_USE))):0) -#endif - - -/* -** Will God see it within his heart to forgive us for this thing that -** we have created? To remove a packet from the receive queue you clear -** its PKT_IN_USE bit, and then bump the pointers. Once the pointers -** get to the end, they must be wrapped back to the start. -*/ -#if defined(MIPS) || defined(nx6000) || defined(drs6000) || defined(UWsparc) -# define remove_receive(PortP) \ - WINDW(PortP->RxRemove, (RINDW(PortP->RxRemove) & ~PKT_IN_USE));\ - if (PortP->RxRemove == PortP->RxEnd)\ - PortP->RxRemove = PortP->RxStart;\ - else\ - PortP->RxRemove++;\ - WWORD(PortP->PhbP->rx_remove , RIO_OFF(CaD,PortP->RxRemove)); -#elif defined(AIX) -# define remove_receive(PortP) \ - {\ - register ushort *RxRemoveP = (ushort *)RIO_PTR(Cad,PortP->RxRemoveO);\ - WINDW( RxRemoveP, RINDW( RxRemoveP ) & ~PKT_IN_USE );\ - if (PortP->RxRemoveO == PortP->RxEndO)\ - PortP->RxRemoveO = PortP->RxStartO;\ - else\ - PortP->RxRemoveO += sizeof(ushort);\ - WWORD(((PHB *)RIO_PTR(Cad,PortP->PhbO))->rx_remove, PortP->RxRemoveO );\ - } -#else -# define remove_receive(PortP) \ - *PortP->RxRemove &= ~PKT_IN_USE;\ - if (PortP->RxRemove == PortP->RxEnd)\ - PortP->RxRemove = PortP->RxStart;\ - else\ - PortP->RxRemove++;\ - PortP->PhbP->rx_remove = RIO_OFF(CaD,PortP->RxRemove); -#endif -#endif - - -#else /* !IN_KERNEL */ - -#define ZERO_PTR NULL - - -#ifdef HOST -/* #define can_remove_transmit(pkt,phb) ((((char*)pkt = (*(char**)(phb->tx_remove))-1) || 1)) && (*phb->u3.s2.tx_remove_ptr & PKT_IN_USE)) */ -#define remove_transmit(phb) *phb->u3.s2.tx_remove_ptr &= ~(ushort)PKT_IN_USE;\ - if (phb->tx_remove == phb->tx_end)\ - phb->tx_remove = phb->tx_start;\ - else\ - phb->tx_remove++; -#define can_add_receive(phb) !(*phb->u4.s2.rx_add_ptr & PKT_IN_USE) -#define add_receive(pkt,phb) *phb->rx_add = pkt;\ - *phb->u4.s2.rx_add_ptr |= PKT_IN_USE;\ - if (phb->rx_add == phb->rx_end)\ - phb->rx_add = phb->rx_start;\ - else\ - phb->rx_add++; -#endif -#endif - -#ifdef RTA -#define splx(oldspl) if ((oldspl) == 0) spl0() -#endif - #endif /* ifndef _list.h */ /*********** end of file ***********/ |
