167 lines
5.4 KiB
C
167 lines
5.4 KiB
C
/*-
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* Copyright (c) 1995 Matt Thomas (thomas@lkg.dec.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: pdq_os.h,v 1.7 1996/05/02 14:20:49 phk Exp $
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*
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*/
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/*
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* DEC PDQ FDDI Controller; PDQ O/S dependent definitions
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*
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* Written by Matt Thomas
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*
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*/
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#ifndef _PDQ_OS_H
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#define _PDQ_OS_H
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#define PDQ_OS_TX_TIMEOUT 5 /* seconds */
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#ifdef PDQTEST
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#include <pdq_os_test.h>
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#elif defined(__FreeBSD__) || defined(__bsdi__)
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#include <sys/param.h>
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#include <sys/systm.h>
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#ifndef M_MCAST
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#include <sys/mbuf.h>
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#endif
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#include <sys/malloc.h>
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#include <vm/vm_kern.h>
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#include <vm/vm_extern.h>
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#ifdef __FreeBSD__
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#include <machine/clock.h>
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#endif
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#define PDQ_USE_MBUFS
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#define PDQ_OS_PREFIX "%s%d: "
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#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name, pdq->pdq_unit
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#define PDQ_OS_PAGESIZE PAGE_SIZE
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#define PDQ_OS_USEC_DELAY(n) DELAY(n)
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#define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
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#define PDQ_OS_VA_TO_PA(p) vtophys(p)
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#define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
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#define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
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#ifdef __FreeBSD__
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#define PDQ_OS_MEMALLOC_CONTIG(n) vm_page_alloc_contig(n, 0, 0xffffffff, PAGE_SIZE)
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#define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
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#else
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#define PDQ_OS_MEMALLOC_CONTIG PDQ_OS_MEMALLOC
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#define PDQ_OS_MEMFREE_CONTIG PDQ_OS_MEMFREE
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#endif
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#if defined(__FreeBSD__)
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#include <machine/cpufunc.h>
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#elif defined(__bsdi__)
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#include <machine/inline.h>
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#endif
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#define PDQ_OS_IORD_32(port) inl(port)
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#define PDQ_OS_IOWR_32(port, data) outl(port, data)
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#define PDQ_OS_IORD_8(port) inb(port)
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#define PDQ_OS_IOWR_8(port, data) outb(port, data)
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#endif
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#ifdef PDQ_USE_MBUFS
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#define PDQ_OS_DATABUF_SIZE (MCLBYTES)
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#define PDQ_OS_DATABUF_FREE(b) (m_freem(b))
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#define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
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#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
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#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
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#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
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#define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
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#define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
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#define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n))
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#define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
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#define PDQ_OS_DATABUF_PTR_ADJ(b, n) ((b)->m_data += (n))
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typedef struct mbuf PDQ_OS_DATABUF_T;
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#define PDQ_OS_DATABUF_ALLOC(b) do { \
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PDQ_OS_DATABUF_T *x_m0; \
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MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
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if (x_m0 != NULL) { \
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MCLGET(x_m0, M_DONTWAIT); \
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if ((x_m0->m_flags & M_EXT) == 0) { \
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m_free(x_m0); \
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(b) = NULL; \
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} else { \
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(b) = x_m0; \
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x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
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} \
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} else { \
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(b) = NULL; \
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} \
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} while (0)
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#define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
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#endif /* PDQ_USE_MBUFS */
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#ifdef PDQ_USE_STREAMS
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#define PDQ_OS_DATABUF_FREE(b) (freemsg(b))
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#define PDQ_OS_DATABUF_NEXT(b) ((b)->b_cont)
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#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->b_next)
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#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->b_next = (b1))
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#define PDQ_OS_DATABUF_LEN(b) ((b)->b_wptr - (b)->b_rptr)
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#define PDQ_OS_DATABUF_PTR(b) ((pdq_uint8_t *) (b)->b_rptr)
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typedef mblk_t PDQ_OS_DATABUF_T;
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#endif /* PDQ_USE_STREAMS */
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#define PDQ_OS_TX_TRANSMIT 5
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#define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
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PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
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if ((q)->q_tail == NULL) \
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(q)->q_head = (b); \
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else \
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PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
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(q)->q_tail = (b); \
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} while (0)
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#define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
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if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
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if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
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(q)->q_tail = NULL; \
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PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
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} \
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} while (0)
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extern void pdq_os_addr_fill(pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
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extern void pdq_os_receive_pdu(pdq_t *, PDQ_OS_DATABUF_T *pdu, size_t pdulen);
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extern void pdq_os_restart_transmitter(pdq_t *pdq);
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extern void pdq_os_transmit_done(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
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extern pdq_boolean_t pdq_queue_transmit_data(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
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extern pdq_state_t pdq_stop(pdq_t *pdq);
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extern void pdq_run(pdq_t *pdq);
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extern int pdq_interrupt(pdq_t *pdq);
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extern pdq_t *pdq_initialize(void *csr_va, const char *name, int unit, void *ctx, pdq_type_t type);
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#endif /* _PDQ_OS_H */
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