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