diff options
Diffstat (limited to 'util/vfio-helpers.c')
| -rw-r--r-- | util/vfio-helpers.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 306b5a83e4..b93a3d3578 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -677,8 +677,8 @@ static bool qemu_vfio_verify_mappings(QEMUVFIOState *s) return true; } -static int -qemu_vfio_find_fixed_iova(QEMUVFIOState *s, size_t size, uint64_t *iova) +static bool qemu_vfio_find_fixed_iova(QEMUVFIOState *s, size_t size, + uint64_t *iova, Error **errp) { int i; @@ -693,14 +693,16 @@ qemu_vfio_find_fixed_iova(QEMUVFIOState *s, size_t size, uint64_t *iova) s->usable_iova_ranges[i].end - s->low_water_mark + 1 == 0) { *iova = s->low_water_mark; s->low_water_mark += size; - return 0; + return true; } } - return -ENOMEM; + error_setg(errp, "fixed iova range not found"); + + return false; } -static int -qemu_vfio_find_temp_iova(QEMUVFIOState *s, size_t size, uint64_t *iova) +static bool qemu_vfio_find_temp_iova(QEMUVFIOState *s, size_t size, + uint64_t *iova, Error **errp) { int i; @@ -715,10 +717,12 @@ qemu_vfio_find_temp_iova(QEMUVFIOState *s, size_t size, uint64_t *iova) s->high_water_mark - s->usable_iova_ranges[i].start + 1 == 0) { *iova = s->high_water_mark - size; s->high_water_mark = *iova; - return 0; + return true; } } - return -ENOMEM; + error_setg(errp, "temporary iova range not found"); + + return false; } /** @@ -762,7 +766,7 @@ int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size, goto out; } if (!temporary) { - if (qemu_vfio_find_fixed_iova(s, size, &iova0)) { + if (!qemu_vfio_find_fixed_iova(s, size, &iova0, errp)) { ret = -ENOMEM; goto out; } @@ -776,7 +780,7 @@ int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size, } qemu_vfio_dump_mappings(s); } else { - if (qemu_vfio_find_temp_iova(s, size, &iova0)) { + if (!qemu_vfio_find_temp_iova(s, size, &iova0, errp)) { ret = -ENOMEM; goto out; } |