503 lines
18 KiB
C
503 lines
18 KiB
C
/* $NetBSD: pdqvar.h,v 1.21 1998/05/27 01:17:53 matt Exp $ */
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/*-
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* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.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 withough 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: pdqvar.h,v 1.21 1997/03/21 21:16:04 thomas 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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#if defined(_KERNEL) && !defined(_LKM)
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#include "opt_uvm.h"
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#endif
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#define PDQ_OS_TX_TIMEOUT 5 /* seconds */
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typedef struct _pdq_t pdq_t;
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typedef struct _pdq_csrs_t pdq_csrs_t;
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typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
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typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
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typedef unsigned int pdq_uint32_t;
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typedef unsigned short pdq_uint16_t;
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typedef unsigned char pdq_uint8_t;
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typedef enum _pdq_boolean_t pdq_boolean_t;
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typedef enum _pdq_type_t pdq_type_t;
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typedef enum _pdq_state_t pdq_state_t;
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enum _pdq_type_t {
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PDQ_DEFPA, /* PCI-bus */
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PDQ_DEFEA, /* EISA-bus */
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PDQ_DEFTA, /* TurboChannel */
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PDQ_DEFAA, /* FutureBus+ */
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PDQ_DEFQA /* Q-bus */
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};
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#if defined(PDQTEST)
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#include <pdq_os_test.h>
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#elif defined(__FreeBSD__) || defined(__bsdi__) || defined(__NetBSD__)
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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 /* M_CAST */
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#include <sys/malloc.h>
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#include <vm/vm.h>
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#include <vm/vm_kern.h>
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#define PDQ_USE_MBUFS
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#if defined(__NetBSD__)
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#define PDQ_OS_PREFIX "%s: "
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#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name
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#else
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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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#endif
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#if defined(__FreeBSD__) && BSD >= 199506
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#define PDQ_OS_PAGESIZE PAGE_SIZE
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#else
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#define PDQ_OS_PAGESIZE NBPG
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#endif
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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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#if defined(__NetBSD__) && !defined(PDQ_NO_BUS_DMA)
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#define PDQ_BUS_DMA
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#endif
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#if !defined(PDQ_BUS_DMA)
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#if defined(__NetBSD__) && defined(__alpha__)
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#define PDQ_OS_VA_TO_BUSPA(pdq, p) (alpha_XXX_dmamap((vm_offset_t)p))
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#else
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#define PDQ_OS_VA_TO_BUSPA(pdq, p) vtophys(p)
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#endif
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#endif
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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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#if !defined(PDQ_BUS_DMA)
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#if defined(UVM)
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#define PDQ_OS_MEMALLOC_CONTIG(n) uvm_km_alloc(kernel_map, round_page(n))
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#define PDQ_OS_MEMFREE_CONTIG(p, n) uvm_km_free(kernel_map, (vm_offset_t) p, n)
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#else
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#define PDQ_OS_MEMALLOC_CONTIG(n) kmem_alloc(kernel_map, round_page(n))
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#define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
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#endif
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#endif
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#endif /* __FreeBSD__ */
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#if defined(__FreeBSD__)
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#include <machine/cpufunc.h>
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#include <machine/clock.h>
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typedef void ifnet_ret_t;
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typedef int ioctl_cmd_t;
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typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
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typedef u_int16_t pdq_bus_ioport_t;
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typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
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typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
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#if BSD >= 199506 /* __FreeBSD__ */
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#define PDQ_BPF_MTAP(sc, m) bpf_mtap(&(sc)->sc_if, m)
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#define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_if, t, s)
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#endif
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#define pdq_os_update_status(a, b) ((void) 0)
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#elif defined(__bsdi__)
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#if !defined(PDQ_HWSUPPORT) && (_BSDI_VERSION >= 199701)
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#include <net/if_media.h>
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#endif
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#include <machine/inline.h>
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typedef int ifnet_ret_t;
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typedef int ioctl_cmd_t;
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typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
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typedef u_int16_t pdq_bus_ioport_t;
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typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
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typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
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#elif defined(__NetBSD__)
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#if !defined(PDQ_HWSUPPORT)
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#include <net/if_media.h>
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#endif
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#include <machine/bus.h>
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#include <machine/intr.h>
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#define PDQ_OS_PTR_FMT "%p"
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#define PDQ_OS_CSR_FMT "0x%lx"
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typedef void ifnet_ret_t;
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typedef u_long ioctl_cmd_t;
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typedef bus_space_tag_t pdq_bus_t;
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typedef bus_space_handle_t pdq_bus_ioport_t;
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typedef bus_space_handle_t pdq_bus_memaddr_t;
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typedef bus_addr_t pdq_bus_memoffset_t;
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#define PDQ_OS_IOMEM
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#define PDQ_OS_IORD_32(t, base, offset) bus_space_read_4 (t, base, offset)
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#define PDQ_OS_IOWR_32(t, base, offset, data) bus_space_write_4 (t, base, offset, data)
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#define PDQ_OS_IORD_8(t, base, offset) bus_space_read_1 (t, base, offset)
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#define PDQ_OS_IOWR_8(t, base, offset, data) bus_space_write_1 (t, base, offset, data)
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#define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
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#ifdef PDQ_BUS_DMA
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#define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, event) \
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pdq_os_unsolicited_event_sync((pdq)->pdq_os_ctx, \
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(u_int8_t *) (event) - \
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(u_int8_t *) (pdq)->pdq_unsolicited_info.ui_events, \
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sizeof(*event), BUS_DMASYNC_PREREAD)
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#define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, event) \
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pdq_os_unsolicited_event_sync((pdq)->pdq_os_ctx, \
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(u_int8_t *) (event) - \
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(u_int8_t *) (pdq)->pdq_unsolicited_info.ui_events, \
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sizeof(*event), BUS_DMASYNC_POSTREAD)
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#define PDQ_OS_DESCBLOCK_SYNC(pdq, what, length, why) \
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pdq_os_descriptor_block_sync((pdq)->pdq_os_ctx, \
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(u_int8_t *) (what) - (u_int8_t *) (pdq)->pdq_dbp, \
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(length), (why))
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#define PDQ_OS_CONSUMER_PRESYNC(pdq) \
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pdq_os_consumer_block_sync((pdq)->pdq_os_ctx, \
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BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)
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#define PDQ_OS_CONSUMER_POSTSYNC(pdq) \
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pdq_os_consumer_block_sync((pdq)->pdq_os_ctx, \
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BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)
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#define PDQ_OS_DESC_PRESYNC(pdq, d, s) \
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PDQ_OS_DESCBLOCK_SYNC((pdq), (d), (s), BUS_DMASYNC_PREWRITE)
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#define PDQ_OS_DESC_POSTSYNC(pdq, d, s) \
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PDQ_OS_DESCBLOCK_SYNC((pdq), (d), (s), BUS_DMASYNC_POSTWRITE)
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#define PDQ_OS_CMDRQST_PRESYNC(pdq, s) \
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PDQ_OS_DESCBLOCK_SYNC((pdq), \
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(pdq)->pdq_command_info.ci_request_bufstart, \
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(s), BUS_DMASYNC_PREWRITE)
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#define PDQ_OS_CMDRSP_PRESYNC(pdq, s) \
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PDQ_OS_DESCBLOCK_SYNC((pdq), \
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(pdq)->pdq_command_info.ci_response_bufstart, \
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(s), BUS_DMASYNC_PREREAD)
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#define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) \
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PDQ_OS_DESCBLOCK_SYNC((pdq), \
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(pdq)->pdq_command_info.ci_request_bufstart, \
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(s), BUS_DMASYNC_POSTWRITE)
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#define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) \
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PDQ_OS_DESCBLOCK_SYNC((pdq), \
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(pdq)->pdq_command_info.ci_response_bufstart, \
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(s), BUS_DMASYNC_POSTREAD)
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#define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) \
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pdq_os_databuf_sync((pdq)->pdq_os_ctx, (b), (o), (l), \
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BUS_DMASYNC_PREREAD)
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#define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) \
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pdq_os_databuf_sync((pdq)->pdq_os_ctx, (b), (o), (l), \
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BUS_DMASYNC_POSTREAD)
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#define PDQ_OS_DATABUF_ALLOC(pdq, b) ((void)((b) = pdq_os_databuf_alloc((pdq)->pdq_os_ctx)))
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#define PDQ_OS_DATABUF_FREE(pdq, b) pdq_os_databuf_free((pdq)->pdq_os_ctx, (b))
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#define PDQ_OS_DATABUF_BUSPA(pdq, b) (M_GETCTX((b), bus_dmamap_t)->dm_segs[0].ds_addr + 0)
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struct _pdq_os_ctx_t;
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extern void pdq_os_descriptor_block_sync(struct _pdq_os_ctx_t *osctx, size_t offset,
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size_t length, int ops);
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extern void pdq_os_consumer_block_sync(struct _pdq_os_ctx_t *osctx, int ops);
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extern void pdq_os_unsolicited_event_sync(struct _pdq_os_ctx_t *osctx, size_t offset,
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size_t length, int ops);
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extern struct mbuf *pdq_os_databuf_alloc(struct _pdq_os_ctx_t *osctx);
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extern void pdq_os_databuf_sync(struct _pdq_os_ctx_t *osctx, struct mbuf *b,
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size_t offset, size_t length, int ops);
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extern void pdq_os_databuf_free(struct _pdq_os_ctx_t *osctx, struct mbuf *m);
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#define M_HASTXDMAMAP M_LINK1
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#define M_HASRXDMAMAP M_LINK2
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#endif
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#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
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#define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
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#define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) (ifp)->if_softc)
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#define PDQ_ARP_IFINIT(sc, ifa) arp_ifinit(&(sc)->sc_if, (ifa))
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#define PDQ_FDDICOM(sc) (&(sc)->sc_ec)
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#define PDQ_LANADDR(sc) LLADDR((sc)->sc_if.if_sadl)
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#define PDQ_LANADDR_SIZE(sc) ((sc)->sc_if.if_sadl->sdl_alen)
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#endif
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#if !defined(PDQ_BPF_MTAP)
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#define PDQ_BPF_MTAP(sc, m) bpf_mtap((sc)->sc_bpf, m)
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#endif
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#if !defined(PDQ_BPFATTACH)
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#define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_bpf, &(sc)->sc_if, t, s)
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#endif
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#if !defined(PDQ_FDDICOM)
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#define PDQ_FDDICOM(sc) (&(sc)->sc_ac)
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#endif
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#if !defined(PDQ_ARP_IFINIT)
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#define PDQ_ARP_IFINIT(sc, ifa) arp_ifinit(&(sc)->sc_ac, (ifa))
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#endif
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#if !defined(PDQ_OS_PTR_FMT)
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#define PDQ_OS_PTR_FMT "0x%x"
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#endif
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#if !defined(PDQ_OS_CSR_FMT)
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#define PDQ_OS_CSR_FMT "0x%x"
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#endif
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#if !defined(PDQ_LANADDR)
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#define PDQ_LANADDR(sc) ((sc)->sc_ac.ac_enaddr)
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#define PDQ_LANADDR_SIZE(sc) (sizeof((sc)->sc_ac.ac_enaddr))
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#endif
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#if !defined(PDQ_OS_IOMEM)
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#define PDQ_OS_IORD_32(t, base, offset) inl((base) + (offset))
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#define PDQ_OS_IOWR_32(t, base, offset, data) outl((base) + (offset), data)
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#define PDQ_OS_IORD_8(t, base, offset) inb((base) + (offset))
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#define PDQ_OS_IOWR_8(t, base, offset, data) outb((base) + (offset), data)
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#define PDQ_OS_MEMRD_32(t, base, offset) (0 + *((base) + (offset)))
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#define PDQ_OS_MEMWR_32(t, base, offset, data) do *((base) + (offset)) = (data); while (0)
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#endif
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#ifndef PDQ_CSR_OFFSET
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#define PDQ_CSR_OFFSET(base, offset) (0 + (base) + (offset))
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#endif
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#ifndef PDQ_CSR_WRITE
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#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->name, 0, data)
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#define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->name, 0)
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#endif
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#ifndef PDQ_OS_IFP_TO_SOFTC
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#define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if)))
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#endif
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#if !defined(PDQ_HWSUPPORT)
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typedef struct _pdq_os_ctx_t {
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#if defined(__bsdi__)
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struct device sc_dev; /* base device */
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struct isadev sc_id; /* ISA device */
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struct intrhand sc_ih; /* interrupt vectoring */
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struct atshutdown sc_ats; /* shutdown routine */
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struct arpcom sc_ac;
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#define sc_if sc_ac.ac_if
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#elif defined(__NetBSD__)
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struct device sc_dev; /* base device */
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void *sc_ih; /* interrupt vectoring */
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void *sc_ats; /* shutdown hook */
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struct ethercom sc_ec;
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bus_dma_tag_t sc_dmatag;
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#define sc_if sc_ec.ec_if
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#elif defined(__FreeBSD__)
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struct kern_devconf *sc_kdc; /* freebsd cruft */
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struct arpcom sc_ac;
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#define sc_if sc_ac.ac_if
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#endif
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#if defined(IFM_FDDI)
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struct ifmedia sc_ifmedia;
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#endif
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pdq_t *sc_pdq;
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#if defined(__alpha__) || defined(__i386__)
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pdq_bus_ioport_t sc_iobase;
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#endif
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#if defined(PDQ_IOMAPPED) && !defined(__NetBSD__)
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#define sc_membase sc_iobase
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#else
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pdq_bus_memaddr_t sc_membase;
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#endif
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pdq_bus_t sc_iotag;
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pdq_bus_t sc_csrtag;
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#if !defined(__bsdi__) || _BSDI_VERSION >= 199401
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#define sc_bpf sc_if.if_bpf
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#else
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caddr_t sc_bpf;
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#endif
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#if defined(PDQ_BUS_DMA)
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#if !defined(__NetBSD__)
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bus_dma_tag_t sc_dmatag;
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#endif
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bus_dmamap_t sc_dbmap; /* DMA map for descriptor block */
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bus_dmamap_t sc_uimap; /* DMA map for unsolicited events */
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bus_dmamap_t sc_cbmap; /* DMA map for consumer block */
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#endif
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} pdq_softc_t;
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extern void pdq_ifreset(pdq_softc_t *sc);
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extern void pdq_ifinit(pdq_softc_t *sc);
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extern void pdq_ifwatchdog(struct ifnet *ifp);
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extern ifnet_ret_t pdq_ifstart(struct ifnet *ifp);
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extern int pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data);
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extern void pdq_ifattach(pdq_softc_t *sc, ifnet_ret_t (*ifwatchdog)(int unit));
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#endif /* !PDQ_HWSUPPORT */
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#elif defined(DLPI_PDQ)
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#include <sys/param.h>
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#include <sys/kmem.h>
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#include <sys/ddi.h>
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#include <sys/stream.h>
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#define PDQ_USE_STREAMS
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#define PDQ_OS_PREFIX "%s board %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 PAGESIZE
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#define PDQ_OS_USEC_DELAY(n) drv_usecwait(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_BUSPA(pdq, p) vtop((caddr_t)p, NULL)
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#define PDQ_OS_MEMALLOC(n) kmem_zalloc(n, KM_NOSLEEP)
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#define PDQ_OS_MEMFREE(p, n) kmem_free((caddr_t) p, n)
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#define PDQ_OS_MEMALLOC_CONTIG(n) kmem_zalloc_physreq(n, decfddiphysreq_db, KM_NOSLEEP)
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#define PDQ_OS_MEMFREE_CONTIG(p, n) PDQ_OS_MEMFREE(p, n)
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extern physreq_t *decfddiphysreq_db;
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extern physreq_t *decfddiphysreq_mblk;
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#define PDQ_OS_DATABUF_ALLOC(pdq, b) ((void) (((b) = allocb_physreq(PDQ_OS_DATABUF_SIZE, BPRI_MED, decfddiphysreq_mblk)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
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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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#ifndef PDQ_OS_DATABUF_FREE
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#define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b))
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#endif
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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_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
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typedef struct mbuf PDQ_OS_DATABUF_T;
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#ifndef PDQ_OS_DATABUF_ALLOC
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#define PDQ_OS_DATABUF_ALLOC(pdq, 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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#endif
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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_SIZE (2048)
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#define PDQ_OS_DATABUF_FREE(pdq, b) (freemsg(b))
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#define PDQ_OS_DATABUF_NEXT(b) ((b)->b_cont)
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#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->b_cont = (b1))
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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_LEN_SET(b, n) ((b)->b_wptr = (b)->b_rptr + (n))
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/*#define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->b_wptr += (n))*/
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#define PDQ_OS_DATABUF_PTR(b) ((pdq_uint8_t *) (b)->b_rptr)
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#define PDQ_OS_DATABUF_ADJ(b, n) ((b)->b_rptr += (n))
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typedef mblk_t PDQ_OS_DATABUF_T;
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#ifndef PDQ_OS_DATABUF_ALLOC
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#define PDQ_OS_DATABUF_ALLOC(pdq, b) ((void) (((b) = allocb(PDQ_OS_DATABUF_SIZE, BPRI_MED)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
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#endif /* PDQ_OS_DATABUF_ALLOC */
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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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#if !defined(PDQ_OS_CONSUMER_PRESYNC)
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#define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0)
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#define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0)
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#define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0)
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#define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0)
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#define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0)
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#define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0)
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#define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0)
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#define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0)
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#define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0)
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#define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0)
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#define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0)
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#define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0)
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#endif
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#ifndef PDQ_OS_DATABUF_BUSPA
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#define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b))
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#endif
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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, int drop);
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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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#if !defined(pdq_os_update_status)
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extern void pdq_os_update_status(pdq_t *pdq, const void *rsp);
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#endif
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#if !defined(PDQ_OS_MEMALLOC_CONTIG)
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extern int pdq_os_memalloc_contig(pdq_t *pdq);
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#endif
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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 void pdq_flush_transmitter(pdq_t *pdq);
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extern void pdq_run(pdq_t *pdq);
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extern pdq_state_t pdq_stop(pdq_t *pdq);
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extern void pdq_hwreset(pdq_t *pdq);
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extern int pdq_interrupt(pdq_t *pdq);
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extern pdq_t *pdq_initialize(pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
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const char *name, int unit,
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void *ctx, pdq_type_t type);
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#endif /* _PDQ_OS_H */
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