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migration/rdma: Replace int error_state by bool errored 

All we do with the value of RDMAContext member @error_state is test
whether it's zero.  Change to bool and rename to @errored.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230928132019.2544702-28-armbru@redhat.com>
master
Markus Armbruster 2023-09-28 15:19:53 +02:00 committed by Juan Quintela
parent ec48697453
commit b86c94a49e
1 changed files with 33 additions and 33 deletions
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66
migration/rdma.c
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@ -352,7 +352,7 @@ typedef struct RDMAContext {
* memory registration, then do not attempt any future work
* and remember the error state.
*/
int error_state;
bool errored;
bool error_reported;
bool received_error;
@ -439,14 +439,14 @@ typedef struct QEMU_PACKED {
uint64_t chunks; /* how many sequential chunks to register */
} RDMARegister;
static int check_error_state(RDMAContext *rdma)
static bool rdma_errored(RDMAContext *rdma)
{
if (rdma->error_state && !rdma->error_reported) {
if (rdma->errored && !rdma->error_reported) {
error_report("RDMA is in an error state waiting migration"
" to abort!");
rdma->error_reported = true;
}
return rdma->error_state;
return rdma->errored;
}
static void register_to_network(RDMAContext *rdma, RDMARegister *reg)
@ -1547,7 +1547,7 @@ static int qemu_rdma_wait_comp_channel(RDMAContext *rdma,
* But we need to be able to handle 'cancel' or an error
* without hanging forever.
*/
while (!rdma->error_state && !rdma->received_error) {
while (!rdma->errored && !rdma->received_error) {
GPollFD pfds[2];
pfds[0].fd = comp_channel->fd;
pfds[0].events = G_IO_IN | G_IO_HUP | G_IO_ERR;
@ -1604,7 +1604,7 @@ static int qemu_rdma_wait_comp_channel(RDMAContext *rdma,
if (rdma->received_error) {
return -1;
}
return -!!rdma->error_state;
return -rdma->errored;
}
static struct ibv_comp_channel *to_channel(RDMAContext *rdma, uint64_t wrid)
@ -1722,7 +1722,7 @@ err_block_for_wrid:
ibv_ack_cq_events(cq, num_cq_events);
}
rdma->error_state = ret;
rdma->errored = true;
return -1;
}
@ -2386,7 +2386,7 @@ static void qemu_rdma_cleanup(RDMAContext *rdma)
int idx;
if (rdma->cm_id && rdma->connected) {
if ((rdma->error_state ||
if ((rdma->errored ||
migrate_get_current()->state == MIGRATION_STATUS_CANCELLING) &&
!rdma->received_error) {
RDMAControlHeader head = { .len = 0,
@ -2672,14 +2672,14 @@ static int qemu_rdma_dest_init(RDMAContext *rdma, Error **errp)
if (!rdma->host || !rdma->host[0]) {
ERROR(errp, "RDMA host is not set!");
rdma->error_state = -EINVAL;
rdma->errored = true;
return -1;
}
/* create CM channel */
rdma->channel = rdma_create_event_channel();
if (!rdma->channel) {
ERROR(errp, "could not create rdma event channel");
rdma->error_state = -EINVAL;
rdma->errored = true;
return -1;
}
@ -2737,7 +2737,7 @@ err_dest_init_bind_addr:
err_dest_init_create_listen_id:
rdma_destroy_event_channel(rdma->channel);
rdma->channel = NULL;
rdma->error_state = ret;
rdma->errored = true;
return -1;
}
@ -2812,7 +2812,7 @@ static ssize_t qio_channel_rdma_writev(QIOChannel *ioc,
return -1;
}
if (rdma->error_state) {
if (rdma->errored) {
error_setg(errp,
"RDMA is in an error state waiting migration to abort!");
return -1;
@ -2824,7 +2824,7 @@ static ssize_t qio_channel_rdma_writev(QIOChannel *ioc,
*/
ret = qemu_rdma_write_flush(rdma);
if (ret < 0) {
rdma->error_state = ret;
rdma->errored = true;
error_setg(errp, "qemu_rdma_write_flush failed");
return -1;
}
@ -2844,7 +2844,7 @@ static ssize_t qio_channel_rdma_writev(QIOChannel *ioc,
ret = qemu_rdma_exchange_send(rdma, &head, data, NULL, NULL, NULL);
if (ret < 0) {
rdma->error_state = ret;
rdma->errored = true;
error_setg(errp, "qemu_rdma_exchange_send failed");
return -1;
}
@ -2902,7 +2902,7 @@ static ssize_t qio_channel_rdma_readv(QIOChannel *ioc,
return -1;
}
if (rdma->error_state) {
if (rdma->errored) {
error_setg(errp,
"RDMA is in an error state waiting migration to abort!");
return -1;
@ -2938,7 +2938,7 @@ static ssize_t qio_channel_rdma_readv(QIOChannel *ioc,
ret = qemu_rdma_exchange_recv(rdma, &head, RDMA_CONTROL_QEMU_FILE);
if (ret < 0) {
rdma->error_state = ret;
rdma->errored = true;
error_setg(errp, "qemu_rdma_exchange_recv failed");
return -1;
}
@ -3212,21 +3212,21 @@ qio_channel_rdma_shutdown(QIOChannel *ioc,
switch (how) {
case QIO_CHANNEL_SHUTDOWN_READ:
if (rdmain) {
rdmain->error_state = -1;
rdmain->errored = true;
}
break;
case QIO_CHANNEL_SHUTDOWN_WRITE:
if (rdmaout) {
rdmaout->error_state = -1;
rdmaout->errored = true;
}
break;
case QIO_CHANNEL_SHUTDOWN_BOTH:
default:
if (rdmain) {
rdmain->error_state = -1;
rdmain->errored = true;
}
if (rdmaout) {
rdmaout->error_state = -1;
rdmaout->errored = true;
}
break;
}
@ -3270,7 +3270,7 @@ static int qemu_rdma_save_page(QEMUFile *f, ram_addr_t block_offset,
return -1;
}
if (check_error_state(rdma)) {
if (rdma_errored(rdma)) {
return -1;
}
@ -3329,7 +3329,7 @@ static int qemu_rdma_save_page(QEMUFile *f, ram_addr_t block_offset,
return RAM_SAVE_CONTROL_DELAYED;
err:
rdma->error_state = ret;
rdma->errored = true;
return -1;
}
@ -3350,13 +3350,13 @@ static void rdma_cm_poll_handler(void *opaque)
if (cm_event->event == RDMA_CM_EVENT_DISCONNECTED ||
cm_event->event == RDMA_CM_EVENT_DEVICE_REMOVAL) {
if (!rdma->error_state &&
if (!rdma->errored &&
migration_incoming_get_current()->state !=
MIGRATION_STATUS_COMPLETED) {
error_report("receive cm event, cm event is %d", cm_event->event);
rdma->error_state = -EPIPE;
rdma->errored = true;
if (rdma->return_path) {
rdma->return_path->error_state = -EPIPE;
rdma->return_path->errored = true;
}
}
rdma_ack_cm_event(cm_event);
@ -3522,7 +3522,7 @@ static int qemu_rdma_accept(RDMAContext *rdma)
return 0;
err_rdma_dest_wait:
rdma->error_state = ret;
rdma->errored = true;
qemu_rdma_cleanup(rdma);
g_free(rdma_return_path);
return -1;
@ -3579,7 +3579,7 @@ static int qemu_rdma_registration_handle(QEMUFile *f)
return -1;
}
if (check_error_state(rdma)) {
if (rdma_errored(rdma)) {
return -1;
}
@ -3818,7 +3818,7 @@ static int qemu_rdma_registration_handle(QEMUFile *f)
} while (1);
err:
rdma->error_state = ret;
rdma->errored = true;
return -1;
}
@ -3895,7 +3895,7 @@ static int qemu_rdma_registration_start(QEMUFile *f,
return -1;
}
if (check_error_state(rdma)) {
if (rdma_errored(rdma)) {
return -1;
}
@ -3928,7 +3928,7 @@ static int qemu_rdma_registration_stop(QEMUFile *f,
return -1;
}
if (check_error_state(rdma)) {
if (rdma_errored(rdma)) {
return -1;
}
@ -3982,7 +3982,7 @@ static int qemu_rdma_registration_stop(QEMUFile *f,
"Your QEMU command line parameters are probably "
"not identical on both the source and destination.",
local->nb_blocks, nb_dest_blocks);
rdma->error_state = -EINVAL;
rdma->errored = true;
return -1;
}
@ -3998,7 +3998,7 @@ static int qemu_rdma_registration_stop(QEMUFile *f,
"vs %" PRIu64, local->block[i].block_name, i,
local->block[i].length,
rdma->dest_blocks[i].length);
rdma->error_state = -EINVAL;
rdma->errored = true;
return -1;
}
local->block[i].remote_host_addr =
@ -4018,7 +4018,7 @@ static int qemu_rdma_registration_stop(QEMUFile *f,
return 0;
err:
rdma->error_state = ret;
rdma->errored = true;
return -1;
}