rio.h
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- /*
- ** -----------------------------------------------------------------------------
- **
- ** Perle Specialix driver for Linux
- ** Ported from existing RIO Driver for SCO sources.
- *
- * (C) 1990 - 1998 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 : rio.h
- ** SID : 1.3
- ** Last Modified : 11/6/98 11:34:13
- ** Retrieved : 11/6/98 11:34:22
- **
- ** ident @(#)rio.h 1.3
- **
- ** -----------------------------------------------------------------------------
- */
- #ifndef __rio_rio_h__
- #define __rio_rio_h__
- #ifdef SCCS_LABELS
- static char *_rio_h_sccs_ = "@(#)rio.h 1.3";
- #endif
- /*
- ** 30.09.1998 ARG -
- ** Introduced driver version and host card type strings
- */
- #define RIO_DRV_STR "Specialix RIO Driver"
- #define RIO_AT_HOST_STR "ISA"
- #define RIO_PCI_HOST_STR "PCI"
- /*
- ** rio_info_store() commands (arbitary values) :
- */
- #define RIO_INFO_PUT 0xA4B3C2D1
- #define RIO_INFO_GET 0xF1E2D3C4
- /*
- ** anything that I couldn't cram in somewhere else
- */
- /*
- #ifndef RIODEBUG
- #define debug
- #else
- #define debug rioprint
- #endif
- */
- /*
- ** Maximum numbers of things
- */
- #define RIO_SLOTS 4 /* number of configuration slots */
- #define RIO_HOSTS 4 /* number of hosts that can be found */
- #define PORTS_PER_HOST 128 /* number of ports per host */
- #define LINKS_PER_UNIT 4 /* number of links from a host */
- #define RIO_PORTS (PORTS_PER_HOST * RIO_HOSTS) /* max. no. of ports */
- #define RTAS_PER_HOST (MAX_RUP) /* number of RTAs per host */
- #define PORTS_PER_RTA (PORTS_PER_HOST/RTAS_PER_HOST) /* ports on a rta */
- #define PORTS_PER_MODULE 4 /* number of ports on a plug-in module */
- /* number of modules on an RTA */
- #define MODULES_PER_RTA (PORTS_PER_RTA/PORTS_PER_MODULE)
- #define MAX_PRODUCT 16 /* numbr of different product codes */
- #define MAX_MODULE_TYPES 16 /* number of different types of module */
- #define RIO_CONTROL_DEV 128 /* minor number of host/control device */
- #define RIO_INVALID_MAJOR 0 /* test first host card's major no for validity */
- /*
- ** number of RTAs that can be bound to a master
- */
- #define MAX_RTA_BINDINGS (MAX_RUP * RIO_HOSTS)
- /*
- ** Unit types
- */
- #define PC_RTA16 0x90000000
- #define PC_RTA8 0xe0000000
- #define TYPE_HOST 0
- #define TYPE_RTA8 1
- #define TYPE_RTA16 2
- /*
- ** Flag values returned by functions
- */
- #define RIO_FAIL -1
- #define RIO_SUCCESS 0
- #define COPYFAIL -1 /* copy[in|out] failed */
- /*
- ** SysPort value for something that hasn't any ports
- */
- #define NO_PORT 0xFFFFFFFF
- /*
- ** Unit ID Of all hosts
- */
- #define HOST_ID 0
- /*
- ** Break bytes into nybles
- */
- #define LONYBLE(X) ((X) & 0xF)
- #define HINYBLE(X) (((X)>>4) & 0xF)
- /*
- ** Flag values passed into some functions
- */
- #define DONT_SLEEP 0
- #define OK_TO_SLEEP 1
- #define DONT_PRINT 1
- #define DO_PRINT 0
- #define PRINT_TO_LOG_CONS 0
- #define PRINT_TO_CONS 1
- #define PRINT_TO_LOG 2
- /*
- ** Timeout has trouble with times of less than 3 ticks...
- */
- #define MIN_TIMEOUT 3
- /*
- ** Generally useful constants
- */
- #define HALF_A_SECOND ((HZ)>>1)
- #define A_SECOND (HZ)
- #define HUNDRED_HZ ((HZ/100)?(HZ/100):1)
- #define FIFTY_HZ ((HZ/50)?(HZ/50):1)
- #define TWENTY_HZ ((HZ/20)?(HZ/20):1)
- #define TEN_HZ ((HZ/10)?(HZ/10):1)
- #define FIVE_HZ ((HZ/5)?(HZ/5):1)
- #define HUNDRED_MS TEN_HZ
- #define FIFTY_MS TWENTY_HZ
- #define TWENTY_MS FIFTY_HZ
- #define TEN_MS HUNDRED_HZ
- #define TWO_SECONDS ((A_SECOND)*2)
- #define FIVE_SECONDS ((A_SECOND)*5)
- #define TEN_SECONDS ((A_SECOND)*10)
- #define FIFTEEN_SECONDS ((A_SECOND)*15)
- #define TWENTY_SECONDS ((A_SECOND)*20)
- #define HALF_A_MINUTE (A_MINUTE>>1)
- #define A_MINUTE (A_SECOND*60)
- #define FIVE_MINUTES (A_MINUTE*5)
- #define QUARTER_HOUR (A_MINUTE*15)
- #define HALF_HOUR (A_MINUTE*30)
- #define HOUR (A_MINUTE*60)
- #define SIXTEEN_MEG 0x1000000
- #define ONE_MEG 0x100000
- #define SIXTY_FOUR_K 0x10000
- #define RIO_AT_MEM_SIZE SIXTY_FOUR_K
- #define RIO_EISA_MEM_SIZE SIXTY_FOUR_K
- #define RIO_MCA_MEM_SIZE SIXTY_FOUR_K
- #define POLL_VECTOR 0x100
- #define COOK_WELL 0
- #define COOK_MEDIUM 1
- #define COOK_RAW 2
- /*
- ** Pointer manipulation stuff
- ** RIO_PTR takes hostp->Caddr and the offset into the DP RAM area
- ** and produces a UNIX caddr_t (pointer) to the object
- ** RIO_OBJ takes hostp->Caddr and a UNIX pointer to an object and
- ** returns the offset into the DP RAM area.
- */
- #define RIO_PTR(C,O) (((caddr_t)(C))+(0xFFFF&(O)))
- #define RIO_OFF(C,O) ((int)(O)-(int)(C))
- /*
- ** How to convert from various different device number formats:
- ** DEV is a dev number, as passed to open, close etc - NOT a minor
- ** number!
- **
- ** Note: LynxOS only gives us 8 bits for the device minor number,
- ** so all this crap here to deal with 'modem' bits etc. is
- ** just a load of irrelevant old bunkum!
- ** This however does not stop us needing to define a value
- ** for RIO_MODEMOFFSET which is required by the 'riomkdev'
- ** utility in the New Config Utilities suite.
- */
- /* 0-511: direct 512-1023: modem */
- #define RIO_MODEMOFFSET 0x200 /* doesn't mean anything */
- #define RIO_MODEM_MASK 0x1FF
- #define RIO_MODEM_BIT 0x200
- #define RIO_UNMODEM(DEV) (minor(DEV) & RIO_MODEM_MASK)
- #define RIO_ISMODEM(DEV) (minor(DEV) & RIO_MODEM_BIT)
- #define RIO_PORT(DEV,FIRST_MAJ) ( (major(DEV) - FIRST_MAJ) * PORTS_PER_HOST)
- + minor(DEV)
- #define splrio spltty
- #define RIO_IPL 5
- #define RIO_PRI (PZERO+10)
- #define RIO_CLOSE_PRI PZERO-1 /* uninterruptible sleeps for close */
- typedef struct DbInf
- {
- uint Flag;
- char Name[8];
- } DbInf;
- #ifndef TRUE
- #define TRUE (1==1)
- #endif
- #ifndef FALSE
- #define FALSE (!TRUE)
- #endif
- #define CSUM(pkt_ptr) (((ushort *)(pkt_ptr))[0] + ((ushort *)(pkt_ptr))[1] +
- ((ushort *)(pkt_ptr))[2] + ((ushort *)(pkt_ptr))[3] +
- ((ushort *)(pkt_ptr))[4] + ((ushort *)(pkt_ptr))[5] +
- ((ushort *)(pkt_ptr))[6] + ((ushort *)(pkt_ptr))[7] +
- ((ushort *)(pkt_ptr))[8] + ((ushort *)(pkt_ptr))[9] )
- /*
- ** This happy little macro copies SIZE bytes of data from FROM to TO
- ** quite well. SIZE must be a constant.
- */
- #define CCOPY( FROM, TO, SIZE ) { *(struct s { char data[SIZE]; } *)(TO) = *(struct s *)(FROM); }
- /*
- ** increment a buffer pointer modulo the size of the buffer...
- */
- #define BUMP( P, I ) ((P) = (((P)+(I)) & RIOBufferMask))
- #define INIT_PACKET( PK, PP )
- {
- *((uint *)PK) = PP->PacketInfo;
- }
- #define RIO_LINK_ENABLE 0x80FF /* FF is a hack, mainly for Mips, to */
- /* prevent a really stupid race condition. */
- #define NOT_INITIALISED 0
- #define INITIALISED 1
- #define NOT_POLLING 0
- #define POLLING 1
- #define NOT_CHANGED 0
- #define CHANGED 1
- #define NOT_INUSE 0
- #define DISCONNECT 0
- #define CONNECT 1
- /*
- ** Machine types - these must NOT overlap with product codes 0-15
- */
- #define RIO_MIPS_R3230 31
- #define RIO_MIPS_R4030 32
- #define RIO_IO_UNKNOWN -2
- #undef MODERN
- #define ERROR( E ) do { u.u_error = E; return OPENFAIL } while ( 0 )
- /* Defines for MPX line discipline routines */
- #define DIST_LINESW_OPEN 0x01
- #define DIST_LINESW_CLOSE 0x02
- #define DIST_LINESW_READ 0x04
- #define DIST_LINESW_WRITE 0x08
- #define DIST_LINESW_IOCTL 0x10
- #define DIST_LINESW_INPUT 0x20
- #define DIST_LINESW_OUTPUT 0x40
- #define DIST_LINESW_MDMINT 0x80
- #endif /* __rio_h__ */