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bh=MgVF8+WS1C+1Kgj090nmE1mi0TfygDEbDV5LO8SpQ18=; b=dgUkTz8n1Z/HyDRMkXmbVIA+NRlhpP5sI4YoMlBVz+qAuqFwQdM01P3t7Q6TnA/JgyJg7P rsBzUn0opXjMiehUvQMrstGoY1N4Uhq+eS3B6nJ5y/J57j4irG7PGoSOOaqHWEbLyBBXXF 7DtB8syD6iO3jG8GTb4Gr8ZW13AYxTM= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1718992511; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MgVF8+WS1C+1Kgj090nmE1mi0TfygDEbDV5LO8SpQ18=; b=q0FJJGzh0wGnayL7OoHy8DrJD8ASzyGPQp9E0Yb4AcmRBjM0aT0X0a55b2V8ovnz11spjW yZ9AcuSZuDBhp/Cw== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Richard Henderson Subject: [PULL 19/28] migration: Use MigrationStatus instead of int Date: Fri, 21 Jun 2024 14:54:25 -0300 Message-Id: <20240621175434.31180-20-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240621175434.31180-1-farosas@suse.de> References: <20240621175434.31180-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-2.80 / 50.00]; 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charset="utf-8" From: Peter Xu QEMU uses "int" in most cases even if it stores MigrationStatus. I don't know why, so let's try to do that right and see what blows up.. Reviewed-by: Fabiano Rosas Signed-off-by: Peter Xu Signed-off-by: Fabiano Rosas --- migration/migration.c | 24 +++++++----------------- migration/migration.h | 9 +++++---- 2 files changed, 12 insertions(+), 21 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index f9b69af62f..795b30f0d0 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -413,7 +413,7 @@ void migration_incoming_state_destroy(void) yank_unregister_instance(MIGRATION_YANK_INSTANCE); } =20 -static void migrate_generate_event(int new_state) +static void migrate_generate_event(MigrationStatus new_state) { if (migrate_events()) { qapi_event_send_migration(new_state); @@ -1296,8 +1296,6 @@ static void fill_destination_migration_info(Migration= Info *info) } =20 switch (mis->state) { - case MIGRATION_STATUS_NONE: - return; case MIGRATION_STATUS_SETUP: case MIGRATION_STATUS_CANCELLING: case MIGRATION_STATUS_CANCELLED: @@ -1313,6 +1311,8 @@ static void fill_destination_migration_info(Migration= Info *info) info->has_status =3D true; fill_destination_postcopy_migration_info(info); break; + default: + return; } info->status =3D mis->state; =20 @@ -1360,7 +1360,8 @@ void qmp_migrate_start_postcopy(Error **errp) =20 /* shared migration helpers */ =20 -void migrate_set_state(int *state, int old_state, int new_state) +void migrate_set_state(MigrationStatus *state, MigrationStatus old_state, + MigrationStatus new_state) { assert(new_state < MIGRATION_STATUS__MAX); if (qatomic_cmpxchg(state, old_state, new_state) =3D=3D old_state) { @@ -1567,7 +1568,7 @@ bool migration_in_postcopy(void) } } =20 -bool migration_postcopy_is_alive(int state) +bool migration_postcopy_is_alive(MigrationStatus state) { switch (state) { case MIGRATION_STATUS_POSTCOPY_ACTIVE: @@ -1612,20 +1613,9 @@ bool migration_is_idle(void) case MIGRATION_STATUS_COMPLETED: case MIGRATION_STATUS_FAILED: return true; - case MIGRATION_STATUS_SETUP: - case MIGRATION_STATUS_CANCELLING: - case MIGRATION_STATUS_ACTIVE: - case MIGRATION_STATUS_POSTCOPY_ACTIVE: - case MIGRATION_STATUS_COLO: - case MIGRATION_STATUS_PRE_SWITCHOVER: - case MIGRATION_STATUS_DEVICE: - case MIGRATION_STATUS_WAIT_UNPLUG: + default: return false; - case MIGRATION_STATUS__MAX: - g_assert_not_reached(); } - - return false; } =20 bool migration_is_active(void) diff --git a/migration/migration.h b/migration/migration.h index 6af01362d4..38aa1402d5 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -160,7 +160,7 @@ struct MigrationIncomingState { /* PostCopyFD's for external userfaultfds & handlers of shared memory = */ GArray *postcopy_remote_fds; =20 - int state; + MigrationStatus state; =20 /* * The incoming migration coroutine, non-NULL during qemu_loadvm_state= (). @@ -301,7 +301,7 @@ struct MigrationState { /* params from 'migrate-set-parameters' */ MigrationParameters parameters; =20 - int state; + MigrationStatus state; =20 /* State related to return path */ struct { @@ -459,7 +459,8 @@ struct MigrationState { bool rdma_migration; }; =20 -void migrate_set_state(int *state, int old_state, int new_state); +void migrate_set_state(MigrationStatus *state, MigrationStatus old_state, + MigrationStatus new_state); =20 void migration_fd_process_incoming(QEMUFile *f); void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp); @@ -479,7 +480,7 @@ int migrate_init(MigrationState *s, Error **errp); bool migration_is_blocked(Error **errp); /* True if outgoing migration has entered postcopy phase */ bool migration_in_postcopy(void); -bool migration_postcopy_is_alive(int state); +bool migration_postcopy_is_alive(MigrationStatus state); MigrationState *migrate_get_current(void); bool migration_has_failed(MigrationState *); bool migrate_mode_is_cpr(MigrationState *); --=20 2.35.3