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authorGreg Kurz <groug@kaod.org>2017-09-19 16:11:07 +0200
committerDavid Gibson <david@gibson.dropbear.id.au>2017-09-27 13:05:41 +1000
commit332f7721cbee06d3720d4e2827c10a8b84d8ec19 (patch)
tree9b141d122f4120ffa91742362b2a55e12b16855e
parent14b0d748877d79d61017e7e38b1ae98c3fd339bc (diff)
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spapr: introduce helpers to migrate HPT chunks and the end marker
This consolidates some duplicated code in a dedicated helpers. Signed-off-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
-rw-r--r--hw/ppc/spapr.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 90a9495..0ce3ec8 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1709,6 +1709,23 @@ static int htab_save_setup(QEMUFile *f, void *opaque)
return 0;
}
+static void htab_save_chunk(QEMUFile *f, sPAPRMachineState *spapr,
+ int chunkstart, int n_valid, int n_invalid)
+{
+ qemu_put_be32(f, chunkstart);
+ qemu_put_be16(f, n_valid);
+ qemu_put_be16(f, n_invalid);
+ qemu_put_buffer(f, HPTE(spapr->htab, chunkstart),
+ HASH_PTE_SIZE_64 * n_valid);
+}
+
+static void htab_save_end_marker(QEMUFile *f)
+{
+ qemu_put_be32(f, 0);
+ qemu_put_be16(f, 0);
+ qemu_put_be16(f, 0);
+}
+
static void htab_save_first_pass(QEMUFile *f, sPAPRMachineState *spapr,
int64_t max_ns)
{
@@ -1740,11 +1757,7 @@ static void htab_save_first_pass(QEMUFile *f, sPAPRMachineState *spapr,
if (index > chunkstart) {
int n_valid = index - chunkstart;
- qemu_put_be32(f, chunkstart);
- qemu_put_be16(f, n_valid);
- qemu_put_be16(f, 0);
- qemu_put_buffer(f, HPTE(spapr->htab, chunkstart),
- HASH_PTE_SIZE_64 * n_valid);
+ htab_save_chunk(f, spapr, chunkstart, n_valid, 0);
if (has_timeout &&
(qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) {
@@ -1806,11 +1819,7 @@ static int htab_save_later_pass(QEMUFile *f, sPAPRMachineState *spapr,
int n_valid = invalidstart - chunkstart;
int n_invalid = index - invalidstart;
- qemu_put_be32(f, chunkstart);
- qemu_put_be16(f, n_valid);
- qemu_put_be16(f, n_invalid);
- qemu_put_buffer(f, HPTE(spapr->htab, chunkstart),
- HASH_PTE_SIZE_64 * n_valid);
+ htab_save_chunk(f, spapr, chunkstart, n_valid, n_invalid);
sent += index - chunkstart;
if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) {
@@ -1873,10 +1882,7 @@ static int htab_save_iterate(QEMUFile *f, void *opaque)
rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS);
}
- /* End marker */
- qemu_put_be32(f, 0);
- qemu_put_be16(f, 0);
- qemu_put_be16(f, 0);
+ htab_save_end_marker(f);
return rc;
}
@@ -1916,9 +1922,7 @@ static int htab_save_complete(QEMUFile *f, void *opaque)
}
/* End marker */
- qemu_put_be32(f, 0);
- qemu_put_be16(f, 0);
- qemu_put_be16(f, 0);
+ htab_save_end_marker(f);
return 0;
}