From 145b630767dbc7020ddf39b20075f4691f71321a Mon Sep 17 00:00:00 2001 From: Juan Quintela Date: Wed, 1 Mar 2023 22:25:47 +0100 Subject: [PATCH 31/56] migration: Move migrate_use_return() to options.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit RH-Author: Peter Xu RH-MergeRequest: 162: migration: Pretty failures for postcopy on unsupported memory types RH-Bugzilla: 2057267 RH-Acked-by: Leonardo Brás RH-Acked-by: Miroslav Rezanina RH-Acked-by: quintela1 RH-Commit: [30/50] 5cc150188bcc61b69ea0844253597594ab18fc13 (peterx/qemu-kvm) Once that we are there, we rename the function to migrate_return_path() to be consistent with all other capabilities. Signed-off-by: Juan Quintela Reviewed-by: Vladimir Sementsov-Ogievskiy (cherry picked from commit 38ad1110e368bf91453c0abbd657224d57b65d47) Signed-off-by: Peter Xu --- migration/migration.c | 11 +---------- migration/migration.h | 1 - migration/options.c | 9 +++++++++ migration/options.h | 1 + migration/rdma.c | 6 +++--- 5 files changed, 14 insertions(+), 14 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 96f82bd165..f7facecd66 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2622,15 +2622,6 @@ static int64_t migrate_max_postcopy_bandwidth(void) return s->parameters.max_postcopy_bandwidth; } -bool migrate_use_return_path(void) -{ - MigrationState *s; - - s = migrate_get_current(); - - return s->capabilities[MIGRATION_CAPABILITY_RETURN_PATH]; -} - bool migrate_use_block_incremental(void) { MigrationState *s; @@ -4175,7 +4166,7 @@ void migrate_fd_connect(MigrationState *s, Error *error_in) * precopy, only if user specified "return-path" capability would * QEMU uses the return path. */ - if (migrate_postcopy_ram() || migrate_use_return_path()) { + if (migrate_postcopy_ram() || migrate_return_path()) { if (open_return_path_on_source(s, !resume)) { error_report("Unable to open return-path for postcopy"); migrate_set_state(&s->state, s->state, MIGRATION_STATUS_FAILED); diff --git a/migration/migration.h b/migration/migration.h index d4b68b08a5..24184622a8 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -459,7 +459,6 @@ uint64_t migrate_xbzrle_cache_size(void); bool migrate_use_block_incremental(void); int migrate_max_cpu_throttle(void); -bool migrate_use_return_path(void); uint64_t ram_get_total_transferred_pages(void); diff --git a/migration/options.c b/migration/options.c index fe1eadeed6..2003e413da 100644 --- a/migration/options.c +++ b/migration/options.c @@ -147,6 +147,15 @@ bool migrate_release_ram(void) return s->capabilities[MIGRATION_CAPABILITY_RELEASE_RAM]; } +bool migrate_return_path(void) +{ + MigrationState *s; + + s = migrate_get_current(); + + return s->capabilities[MIGRATION_CAPABILITY_RETURN_PATH]; +} + bool migrate_validate_uuid(void) { MigrationState *s; diff --git a/migration/options.h b/migration/options.h index e985a5233e..316efd1063 100644 --- a/migration/options.h +++ b/migration/options.h @@ -31,6 +31,7 @@ bool migrate_postcopy_blocktime(void); bool migrate_postcopy_preempt(void); bool migrate_postcopy_ram(void); bool migrate_release_ram(void); +bool migrate_return_path(void); bool migrate_validate_uuid(void); bool migrate_xbzrle(void); bool migrate_zero_blocks(void); diff --git a/migration/rdma.c b/migration/rdma.c index f35f021963..bf55e2f163 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -3373,7 +3373,7 @@ static int qemu_rdma_accept(RDMAContext *rdma) * initialize the RDMAContext for return path for postcopy after first * connection request reached. */ - if ((migrate_postcopy() || migrate_use_return_path()) + if ((migrate_postcopy() || migrate_return_path()) && !rdma->is_return_path) { rdma_return_path = qemu_rdma_data_init(rdma->host_port, NULL); if (rdma_return_path == NULL) { @@ -3456,7 +3456,7 @@ static int qemu_rdma_accept(RDMAContext *rdma) } /* Accept the second connection request for return path */ - if ((migrate_postcopy() || migrate_use_return_path()) + if ((migrate_postcopy() || migrate_return_path()) && !rdma->is_return_path) { qemu_set_fd_handler(rdma->channel->fd, rdma_accept_incoming_migration, NULL, @@ -4193,7 +4193,7 @@ void rdma_start_outgoing_migration(void *opaque, } /* RDMA postcopy need a separate queue pair for return path */ - if (migrate_postcopy() || migrate_use_return_path()) { + if (migrate_postcopy() || migrate_return_path()) { rdma_return_path = qemu_rdma_data_init(host_port, errp); if (rdma_return_path == NULL) { -- 2.39.1