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spapr: introduce helpers to migrate HPT chunks and the end marker

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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>
This commit is contained in:
Greg Kurz 2017-09-19 16:11:07 +02:00 committed by David Gibson
parent 14b0d74887
commit 332f7721cb
1 changed files with 21 additions and 17 deletions
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38
hw/ppc/spapr.c
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@ -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;
}