[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 14/33] migration: push Error **errp into loadvm_postcopy_ram_hand
From: |
Daniel P . Berrangé |
Subject: |
[PATCH 14/33] migration: push Error **errp into loadvm_postcopy_ram_handle_discard() |
Date: |
Thu, 4 Feb 2021 17:18:48 +0000 |
This is an incremental step in converting vmstate loading code to report
via Error objects instead of printing directly to the console/monitor.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
migration/savevm.c | 31 +++++++++++++++----------------
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/migration/savevm.c b/migration/savevm.c
index fa7883ae5e..2216c61c6f 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1735,7 +1735,8 @@ static int
loadvm_postcopy_handle_advise(MigrationIncomingState *mis,
* There can be 0..many of these messages, each encoding multiple pages.
*/
static int loadvm_postcopy_ram_handle_discard(MigrationIncomingState *mis,
- uint16_t len)
+ uint16_t len,
+ Error **errp)
{
int tmp;
char ramid[256];
@@ -1748,7 +1749,8 @@ static int
loadvm_postcopy_ram_handle_discard(MigrationIncomingState *mis,
/* 1st discard */
tmp = postcopy_ram_prepare_discard(mis);
if (tmp) {
- return tmp;
+ error_setg(errp, "Failed to prepare for RAM discard: %d", tmp);
+ return -1;
}
break;
@@ -1757,8 +1759,9 @@ static int
loadvm_postcopy_ram_handle_discard(MigrationIncomingState *mis,
break;
default:
- error_report("CMD_POSTCOPY_RAM_DISCARD in wrong postcopy state (%d)",
- ps);
+ error_setg(errp,
+ "CMD_POSTCOPY_RAM_DISCARD in wrong postcopy state (%d)",
+ ps);
return -1;
}
/* We're expecting a
@@ -1767,29 +1770,29 @@ static int
loadvm_postcopy_ram_handle_discard(MigrationIncomingState *mis,
* then at least 1 16 byte chunk
*/
if (len < (1 + 1 + 1 + 1 + 2 * 8)) {
- error_report("CMD_POSTCOPY_RAM_DISCARD invalid length (%d)", len);
+ error_setg(errp, "CMD_POSTCOPY_RAM_DISCARD invalid length (%d)", len);
return -1;
}
tmp = qemu_get_byte(mis->from_src_file);
if (tmp != postcopy_ram_discard_version) {
- error_report("CMD_POSTCOPY_RAM_DISCARD invalid version (%d)", tmp);
+ error_setg(errp, "CMD_POSTCOPY_RAM_DISCARD invalid version (%d)", tmp);
return -1;
}
if (!qemu_get_counted_string(mis->from_src_file, ramid)) {
- error_report("CMD_POSTCOPY_RAM_DISCARD Failed to read RAMBlock ID");
+ error_setg(errp, "CMD_POSTCOPY_RAM_DISCARD Failed to read RAMBlock
ID");
return -1;
}
tmp = qemu_get_byte(mis->from_src_file);
if (tmp != 0) {
- error_report("CMD_POSTCOPY_RAM_DISCARD missing nil (%d)", tmp);
+ error_setg(errp, "CMD_POSTCOPY_RAM_DISCARD missing nil (%d)", tmp);
return -1;
}
len -= 3 + strlen(ramid);
if (len % 16) {
- error_report("CMD_POSTCOPY_RAM_DISCARD invalid length (%d)", len);
+ error_setg(errp, "CMD_POSTCOPY_RAM_DISCARD invalid length (%d)", len);
return -1;
}
trace_loadvm_postcopy_ram_handle_discard_header(ramid, len);
@@ -1801,7 +1804,8 @@ static int
loadvm_postcopy_ram_handle_discard(MigrationIncomingState *mis,
len -= 16;
int ret = ram_discard_range(ramid, start_addr, block_length);
if (ret) {
- return ret;
+ error_setg(errp, "Failed to discard RAM range %s: %d", ramid, ret);
+ return -1;
}
}
trace_loadvm_postcopy_ram_handle_discard_end();
@@ -2295,12 +2299,7 @@ static int loadvm_process_command(QEMUFile *f, Error
**errp)
return loadvm_postcopy_handle_run(mis, errp);
case MIG_CMD_POSTCOPY_RAM_DISCARD:
- ret = loadvm_postcopy_ram_handle_discard(mis, len);
- if (ret < 0) {
- error_setg(errp, "Failed to load device state command: %d", ret);
- return -1;
- }
- return ret;
+ return loadvm_postcopy_ram_handle_discard(mis, len, errp);
case MIG_CMD_POSTCOPY_RESUME:
ret = loadvm_postcopy_handle_resume(mis);
--
2.29.2
- [PATCH 08/33] migration: push Error **errp into loadvm_process_command(), (continued)
- [PATCH 08/33] migration: push Error **errp into loadvm_process_command(), Daniel P . Berrangé, 2021/02/04
- [PATCH 10/33] migration: push Error **errp into loadvm_postcopy_handle_advise(), Daniel P . Berrangé, 2021/02/04
- [PATCH 11/33] migration: push Error **errp into ram_postcopy_incoming_init(), Daniel P . Berrangé, 2021/02/04
- [PATCH 13/33] migration: push Error **errp into loadvm_postcopy_handle_run(), Daniel P . Berrangé, 2021/02/04
- [PATCH 12/33] migration: push Error **errp into loadvm_postcopy_handle_listen(), Daniel P . Berrangé, 2021/02/04
- [PATCH 15/33] migration: make loadvm_postcopy_handle_resume() void, Daniel P . Berrangé, 2021/02/04
- [PATCH 14/33] migration: push Error **errp into loadvm_postcopy_ram_handle_discard(),
Daniel P . Berrangé <=
- [PATCH 16/33] migration: push Error **errp into loadvm_handle_recv_bitmap(), Daniel P . Berrangé, 2021/02/04
- [PATCH 17/33] migration: push Error **errp into loadvm_process_enable_colo(), Daniel P . Berrangé, 2021/02/04
- [PATCH 18/33] migration: push Error **errp into colo_init_ram_cache(), Daniel P . Berrangé, 2021/02/04
- [PATCH 23/33] migration: simplify some error reporting in save_snapshot(), Daniel P . Berrangé, 2021/02/04
- [PATCH 19/33] migration: push Error **errp into check_section_footer(), Daniel P . Berrangé, 2021/02/04
- [PATCH 21/33] migration: remove error reporting from qemu_fopen_bdrv() callers, Daniel P . Berrangé, 2021/02/04
- [PATCH 20/33] migration: push Error **errp into global_state_store(), Daniel P . Berrangé, 2021/02/04
- [PATCH 25/33] migration: push Error **errp into qemu_savevm_state_complete_precopy(), Daniel P . Berrangé, 2021/02/04