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Print the warning message if extent_free fails.

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This commit is contained in:
nakayama 2009-12-07 19:57:34 +00:00
parent 124a629265
commit c2c5d365aa
1 changed files with 10 additions and 5 deletions
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15
sys/arch/sparc64/dev/iommu.c
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@ -1,4 +1,4 @@
/* $NetBSD: iommu.c,v 1.94 2009/12/07 11:24:30 nakayama Exp $ */ /* $NetBSD: iommu.c,v 1.95 2009/12/07 19:57:34 nakayama Exp $ */
/* /*
* Copyright (c) 1999, 2000 Matthew R. Green * Copyright (c) 1999, 2000 Matthew R. Green
@ -59,7 +59,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: iommu.c,v 1.94 2009/12/07 11:24:30 nakayama Exp $"); __KERNEL_RCSID(0, "$NetBSD: iommu.c,v 1.95 2009/12/07 19:57:34 nakayama Exp $");
#include "opt_ddb.h" #include "opt_ddb.h"
@ -534,12 +534,14 @@ iommu_dvmamap_load(bus_dma_tag_t t, bus_dmamap_t map, void *buf,
DPRINTF(IDB_INFO, ("iommu_dvmamap_load: " DPRINTF(IDB_INFO, ("iommu_dvmamap_load: "
"too many segments %d\n", seg)); "too many segments %d\n", seg));
s = splhigh(); s = splhigh();
/* How can this fail? And if it does what can we do? */
err = extent_free(is->is_dvmamap, err = extent_free(is->is_dvmamap,
dvmaddr, sgsize, EX_NOWAIT); dvmaddr, sgsize, EX_NOWAIT);
map->_dm_dvmastart = 0; map->_dm_dvmastart = 0;
map->_dm_dvmasize = 0; map->_dm_dvmasize = 0;
splx(s); splx(s);
if (err != 0)
printf("warning: %s: %" PRId64
" of DVMA space lost\n", __func__, sgsize);
return (EFBIG); return (EFBIG);
} }
sgstart += len; sgstart += len;
@ -643,7 +645,8 @@ iommu_dvmamap_unload(bus_dma_tag_t t, bus_dmamap_t map)
map->_dm_dvmasize = 0; map->_dm_dvmasize = 0;
splx(s); splx(s);
if (error != 0) if (error != 0)
printf("warning: %qd of DVMA space lost\n", (long long)sgsize); printf("warning: %s: %" PRId64 " of DVMA space lost\n",
__func__, sgsize);
/* Clear the map */ /* Clear the map */
} }
@ -929,12 +932,14 @@ iommu_dvmamap_load_raw(bus_dma_tag_t t, bus_dmamap_t map,
fail: fail:
s = splhigh(); s = splhigh();
/* How can this fail? And if it does what can we do? */
err = extent_free(is->is_dvmamap, map->_dm_dvmastart, sgsize, err = extent_free(is->is_dvmamap, map->_dm_dvmastart, sgsize,
EX_NOWAIT); EX_NOWAIT);
map->_dm_dvmastart = 0; map->_dm_dvmastart = 0;
map->_dm_dvmasize = 0; map->_dm_dvmasize = 0;
splx(s); splx(s);
if (err != 0)
printf("warning: %s: %" PRId64 " of DVMA space lost\n",
__func__, sgsize);
return (EFBIG); return (EFBIG);
} }