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[src/trunk]: src/sys/dev/qbus Trying to get files out of Attic.
details: https://anonhg.NetBSD.org/src/rev/90d242886fc6
branches: trunk
changeset: 513879:90d242886fc6
user: ragge <ragge%NetBSD.org@localhost>
date: Thu Aug 16 14:55:32 2001 +0000
description:
Trying to get files out of Attic.
diffstat:
sys/dev/qbus/if_uba.c | 263 --------------------------------------------------
sys/dev/qbus/if_uba.h | 138 --------------------------
2 files changed, 0 insertions(+), 401 deletions(-)
diffs (truncated from 409 to 300 lines):
diff -r ad8f209ae990 -r 90d242886fc6 sys/dev/qbus/if_uba.c
--- a/sys/dev/qbus/if_uba.c Thu Aug 16 14:28:54 2001 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,263 +0,0 @@
-/* $NetBSD: if_uba.c,v 1.19 2001/05/06 15:21:44 ragge Exp $ */
-
-/*
- * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
- * 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. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- *
- * @(#)if_uba.c 7.16 (Berkeley) 12/16/90
- */
-
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/malloc.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/device.h>
-
-#include <net/if.h>
-
-#include <machine/bus.h>
-
-#include <dev/qbus/if_uba.h>
-#include <dev/qbus/ubareg.h>
-#include <dev/qbus/ubavar.h>
-
-static struct mbuf *getmcl(void);
-
-/*
- * Routines supporting UNIBUS network interfaces.
- *
- * TODO:
- * Support interfaces using only one BDP statically.
- */
-
-/*
- * Init UNIBUS for interface whose headers of size hlen are to
- * end on a page boundary. We allocate a UNIBUS map register for the page
- * with the header, and nmr more UNIBUS map registers for i/o on the adapter,
- * doing this once for each read and once for each write buffer. We also
- * allocate page frames in the mbuffer pool for these pages.
- *
- * Recent changes:
- * No special "header pages" anymore.
- * Recv packets are always put in clusters.
- * "size" is the maximum buffer size, may not be bigger than MCLBYTES.
- */
-int
-if_ubaminit(struct ifubinfo *ifu, struct uba_softc *uh, int size,
- struct ifrw *ifr, int nr, struct ifxmt *ifw, int nw)
-{
- struct mbuf *m;
- int totsz, i, error, rseg, nm = nr;
- bus_dma_segment_t seg;
- caddr_t vaddr;
-
-#ifdef DIAGNOSTIC
- if (size > MCLBYTES)
- panic("if_ubaminit: size > MCLBYTES");
-#endif
- ifu->iff_softc = uh;
- /*
- * Get DMA memory for transmit buffers.
- * Buffer size are rounded up to a multiple of the uba page size,
- * then allocated contiguous.
- */
- size = (size + UBA_PGOFSET) & ~UBA_PGOFSET;
- totsz = size * nw;
- if ((error = bus_dmamem_alloc(uh->uh_dmat, totsz, NBPG, 0,
- &seg, 1, &rseg, BUS_DMA_NOWAIT)))
- return error;
- if ((error = bus_dmamem_map(uh->uh_dmat, &seg, rseg, totsz, &vaddr,
- BUS_DMA_NOWAIT|BUS_DMA_COHERENT))) {
- bus_dmamem_free(uh->uh_dmat, &seg, rseg);
- return error;
- }
-
- /*
- * Create receive and transmit maps.
- * Alloc all resources now so we won't fail in the future.
- */
-
- for (i = 0; i < nr; i++) {
- if ((error = bus_dmamap_create(uh->uh_dmat, size, 1,
- size, 0, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW,
- &ifr[i].ifrw_map))) {
- nr = i;
- nm = nw = 0;
- goto bad;
- }
- }
- for (i = 0; i < nw; i++) {
- if ((error = bus_dmamap_create(uh->uh_dmat, size, 1,
- size, 0, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW,
- &ifw[i].ifw_map))) {
- nw = i;
- nm = 0;
- goto bad;
- }
- }
- /*
- * Preload the rx maps with mbuf clusters.
- */
- for (i = 0; i < nm; i++) {
- if ((m = getmcl()) == NULL) {
- nm = i;
- goto bad;
- }
- ifr[i].ifrw_mbuf = m;
- bus_dmamap_load(uh->uh_dmat, ifr[i].ifrw_map,
- m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT);
-
- }
- /*
- * Load the tx maps with DMA memory (common case).
- */
- for (i = 0; i < nw; i++) {
- ifw[i].ifw_vaddr = vaddr + size * i;
- ifw[i].ifw_size = size;
- bus_dmamap_load(uh->uh_dmat, ifw[i].ifw_map,
- ifw[i].ifw_vaddr, ifw[i].ifw_size, NULL, BUS_DMA_NOWAIT);
- }
- return 0;
-bad:
- while (--nm >= 0) {
- bus_dmamap_unload(uh->uh_dmat, ifr[nw].ifrw_map);
- m_freem(ifr[nm].ifrw_mbuf);
- }
- while (--nw >= 0)
- bus_dmamap_destroy(uh->uh_dmat, ifw[nw].ifw_map);
- while (--nr >= 0)
- bus_dmamap_destroy(uh->uh_dmat, ifr[nw].ifrw_map);
- return (0);
-}
-
-struct mbuf *
-getmcl()
-{
- struct mbuf *m;
-
- MGETHDR(m, M_DONTWAIT, MT_DATA);
- if (m == NULL)
- return 0;
- MCLGET(m, M_DONTWAIT);
- if ((m->m_flags & M_EXT) == 0) {
- m_freem(m);
- return 0;
- }
- return m;
-}
-
-/*
- * Pull read data off a interface.
- * Totlen is length of data, with local net header stripped.
- * When full cluster sized units are present
- * on the interface on cluster boundaries we can get them more
- * easily by remapping, and take advantage of this here.
- * Save a pointer to the interface structure and the total length,
- * so that protocols can determine where incoming packets arrived.
- * Note: we may be called to receive from a transmit buffer by some
- * devices. In that case, we must force normal mapping of the buffer,
- * so that the correct data will appear (only unibus maps are
- * changed when remapping the transmit buffers).
- */
-struct mbuf *
-if_ubaget(struct ifubinfo *ifu, struct ifrw *ifr, struct ifnet *ifp, int len)
-{
- struct uba_softc *uh = ifu->iff_softc;
- struct mbuf *m, *mn;
-
- if ((mn = getmcl()) == NULL)
- return NULL; /* Leave the old */
-
- bus_dmamap_unload(uh->uh_dmat, ifr->ifrw_map);
- m = ifr->ifrw_mbuf;
- ifr->ifrw_mbuf = mn;
- if ((bus_dmamap_load(uh->uh_dmat, ifr->ifrw_map,
- mn->m_ext.ext_buf, mn->m_ext.ext_size, NULL, BUS_DMA_NOWAIT)))
- panic("if_ubaget"); /* Cannot happen */
- m->m_pkthdr.rcvif = ifp;
- m->m_len = m->m_pkthdr.len = len;
- return m;
-}
-
-/*
- * Called after a packet is sent. Releases hold resources.
- */
-void
-if_ubaend(struct ifubinfo *ifu, struct ifxmt *ifw)
-{
- struct uba_softc *uh = ifu->iff_softc;
-
- if (ifw->ifw_flags & IFRW_MBUF) {
- bus_dmamap_unload(uh->uh_dmat, ifw->ifw_map);
- m_freem(ifw->ifw_mbuf);
- ifw->ifw_mbuf = NULL;
- }
-}
-
-/*
- * Map a chain of mbufs onto a network interface
- * in preparation for an i/o operation.
- * The argument chain of mbufs includes the local network
- * header which is copied to be in the mapped, aligned
- * i/o space.
- */
-int
-if_ubaput(struct ifubinfo *ifu, struct ifxmt *ifw, struct mbuf *m)
-{
- struct uba_softc *uh = ifu->iff_softc;
- int len;
-
- if (/* m->m_next ==*/ 0) {
- /*
- * Map the outgoing packet directly.
- */
- if ((ifw->ifw_flags & IFRW_MBUF) == 0) {
- bus_dmamap_unload(uh->uh_dmat, ifw->ifw_map);
- ifw->ifw_flags |= IFRW_MBUF;
- }
- bus_dmamap_load(uh->uh_dmat, ifw->ifw_map, mtod(m, void *),
- m->m_len, NULL, BUS_DMA_NOWAIT);
- ifw->ifw_mbuf = m;
- len = m->m_len;
- } else {
- if (ifw->ifw_flags & IFRW_MBUF) {
- bus_dmamap_load(uh->uh_dmat, ifw->ifw_map,
- ifw->ifw_vaddr, ifw->ifw_size,NULL,BUS_DMA_NOWAIT);
- ifw->ifw_flags &= ~IFRW_MBUF;
- }
- len = m->m_pkthdr.len;
- m_copydata(m, 0, m->m_pkthdr.len, ifw->ifw_vaddr);
- m_freem(m);
- }
- return len;
-}
diff -r ad8f209ae990 -r 90d242886fc6 sys/dev/qbus/if_uba.h
--- a/sys/dev/qbus/if_uba.h Thu Aug 16 14:28:54 2001 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,138 +0,0 @@
-/* $NetBSD: if_uba.h,v 1.9 2001/05/06 15:21:44 ragge Exp $ */
-
-/*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * 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. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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)
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