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changed dma segment field "ds_read_len" to "ds_xfer_len" since it is valid for 

either read or write transfers.
This commit is contained in:
dbj 1999-08-05 01:50:59 +00:00
parent 191ab2b8e4
commit 18221f52fc
3 changed files with 14 additions and 14 deletions
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6
sys/arch/next68k/dev/mb8795.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: mb8795.c,v 1.14 1999/08/03 09:16:01 dbj Exp $ */
/* $NetBSD: mb8795.c,v 1.15 1999/08/05 01:51:00 dbj Exp $ */
/*
* Copyright (c) 1998 Darrin B. Jewell
* All rights reserved.
@ -338,8 +338,8 @@ mb8795_rint(sc)
/* Find receive length and chop off CRC */
/* @@@ assumes packet is all in first segment
*/
m->m_pkthdr.len = map->dm_segs[0].ds_read_len-4;
m->m_len = map->dm_segs[0].ds_read_len-4;
m->m_pkthdr.len = map->dm_segs[0].ds_xfer_len-4;
m->m_len = map->dm_segs[0].ds_xfer_len-4;
m->m_pkthdr.rcvif = ifp;
bus_dmamap_unload(sc->sc_rx_dmat, map);

18
sys/arch/next68k/dev/nextdma.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: nextdma.c,v 1.16 1999/08/03 09:16:01 dbj Exp $ */
/* $NetBSD: nextdma.c,v 1.17 1999/08/05 01:51:00 dbj Exp $ */
/*
* Copyright (c) 1998 Darrin B. Jewell
* All rights reserved.
@ -193,7 +193,7 @@ next_dma_rotate(nd)
#ifdef DIAGNOSTIC
if (nd->_nd_map &&
nd->_nd_map->dm_segs[nd->_nd_idx].ds_read_len == 0x1234beef) {
nd->_nd_map->dm_segs[nd->_nd_idx].ds_xfer_len == 0x1234beef) {
next_dma_print(nd);
panic("DMA didn't set read length of segment");
}
@ -224,7 +224,7 @@ next_dma_rotate(nd)
#ifdef DIAGNOSTIC
if (nd->_nd_map) {
nd->_nd_map->dm_segs[nd->_nd_idx].ds_read_len = 0x1234beef;
nd->_nd_map->dm_segs[nd->_nd_idx].ds_xfer_len = 0x1234beef;
}
#endif
@ -409,8 +409,8 @@ next_dma_print(nd)
nd->_nd_idx,nd->_nd_map->dm_segs[nd->_nd_idx].ds_addr);
printf("NDMAP: nd->_nd_map->dm_segs[%d].ds_len = %d\n",
nd->_nd_idx,nd->_nd_map->dm_segs[nd->_nd_idx].ds_len);
printf("NDMAP: nd->_nd_map->dm_segs[%d].ds_read_len = %d\n",
nd->_nd_idx,nd->_nd_map->dm_segs[nd->_nd_idx].ds_read_len);
printf("NDMAP: nd->_nd_map->dm_segs[%d].ds_xfer_len = %d\n",
nd->_nd_idx,nd->_nd_map->dm_segs[nd->_nd_idx].ds_xfer_len);
} else {
printf("NDMAP: nd->_nd_map = NULL\n");
}
@ -423,8 +423,8 @@ next_dma_print(nd)
nd->_nd_idx_cont,nd->_nd_map_cont->dm_segs[nd->_nd_idx_cont].ds_addr);
printf("NDMAP: nd->_nd_map_cont->dm_segs[%d].ds_len = %d\n",
nd->_nd_idx_cont,nd->_nd_map_cont->dm_segs[nd->_nd_idx_cont].ds_len);
printf("NDMAP: nd->_nd_map_cont->dm_segs[%d].ds_read_len = %d\n",
nd->_nd_idx_cont,nd->_nd_map_cont->dm_segs[nd->_nd_idx_cont].ds_read_len);
printf("NDMAP: nd->_nd_map_cont->dm_segs[%d].ds_xfer_len = %d\n",
nd->_nd_idx_cont,nd->_nd_map_cont->dm_segs[nd->_nd_idx_cont].ds_xfer_len);
} else {
printf("NDMAP: nd->_nd_map_cont = NULL\n");
}
@ -631,9 +631,9 @@ nextdma_intr(arg)
/* @@@ we pretend the entire buffer transferred ok.
* we might consider throwing away this transfer instead
*/
nd->_nd_map->dm_segs[nd->_nd_idx].ds_read_len = expected_limit-expected_next;
nd->_nd_map->dm_segs[nd->_nd_idx].ds_xfer_len = expected_limit-expected_next;
} else {
nd->_nd_map->dm_segs[nd->_nd_idx].ds_read_len = limit-next;
nd->_nd_map->dm_segs[nd->_nd_idx].ds_xfer_len = limit-next;
expected_limit = expected_next + (limit-next);
}

4
sys/arch/next68k/include/bus_dma.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: bus_dma.h,v 1.2 1999/08/03 09:16:00 dbj Exp $ */
/* $NetBSD: bus_dma.h,v 1.3 1999/08/05 01:50:59 dbj Exp $ */
/*
* This file was extracted from from alpha/include/bus.h
@ -117,7 +117,7 @@ struct next68k_bus_dma_segment {
bus_size_t ds_len; /* length of transfer */
/* Machine dependant fields: */
bus_size_t ds_read_len; /* length of successful transfer */
bus_size_t ds_xfer_len; /* length of successful transfer */
};
typedef struct next68k_bus_dma_segment bus_dma_segment_t;