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GET /api/patches/2177610/?format=api
{ "id": 2177610, "url": "http://patchwork.ozlabs.org/api/patches/2177610/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20251226211930.27565-24-farosas@suse.de/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20251226211930.27565-24-farosas@suse.de>", "list_archive_url": null, "date": "2025-12-26T21:19:25", "name": "[RFC,23/25] migration: Move channel parsing to channel.c", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "352836dd869526082d7fc24ac99ec08c881adc03", "submitter": { "id": 85343, "url": "http://patchwork.ozlabs.org/api/people/85343/?format=api", "name": "Fabiano Rosas", "email": "farosas@suse.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20251226211930.27565-24-farosas@suse.de/mbox/", "series": [ { "id": 486505, "url": "http://patchwork.ozlabs.org/api/series/486505/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=486505", "date": "2025-12-26T21:19:04", "name": "migration: Cleanup early connection code", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/486505/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2177610/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2177610/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=Gp9dP/fy;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=LSpAvitn;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=Gp9dP/fy;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=LSpAvitn;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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envelope-from=farosas@suse.de;\n helo=smtp-out1.suse.de", "X-Spam_score_int": "-43", "X-Spam_score": "-4.4", "X-Spam_bar": "----", "X-Spam_report": "(-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Encapsulate the MigrationChannelList parsing in a new\nmigrate_channels_parse() located at channel.c.\n\nSigned-off-by: Fabiano Rosas <farosas@suse.de>\n---\n migration/channel.c | 54 +++++++++++++++++++++++++++++++++++++++++++\n migration/channel.h | 5 ++++\n migration/migration.c | 50 +++++++++++----------------------------\n 3 files changed, 73 insertions(+), 36 deletions(-)", "diff": "diff --git a/migration/channel.c b/migration/channel.c\nindex ba9aa1c58b..8b43c3d983 100644\n--- a/migration/channel.c\n+++ b/migration/channel.c\n@@ -11,6 +11,7 @@\n */\n \n #include \"qemu/osdep.h\"\n+#include \"qemu/cutils.h\"\n #include \"channel.h\"\n #include \"exec.h\"\n #include \"fd.h\"\n@@ -20,7 +21,9 @@\n #include \"migration.h\"\n #include \"multifd.h\"\n #include \"options.h\"\n+#include \"qapi/clone-visitor.h\"\n #include \"qapi/qapi-types-migration.h\"\n+#include \"qapi/qapi-visit-migration.h\"\n #include \"qapi/error.h\"\n #include \"qemu-file.h\"\n #include \"qemu/yank.h\"\n@@ -314,3 +317,54 @@ int migration_channel_read_peek(QIOChannel *ioc,\n \n return 0;\n }\n+\n+bool migrate_channels_parse(MigrationChannelList *channels,\n+ MigrationChannel **main_channelp,\n+ MigrationChannel **cpr_channelp,\n+ Error **errp)\n+{\n+ MigrationChannel *channelv[MIGRATION_CHANNEL_TYPE__MAX] = { NULL };\n+ bool single_channel;\n+\n+ if (cpr_channelp) {\n+ single_channel = false;\n+ } else {\n+ single_channel = true;\n+ }\n+\n+ for ( ; channels; channels = channels->next) {\n+ MigrationChannelType type;\n+\n+ type = channels->value->channel_type;\n+ if (channelv[type]) {\n+ error_setg(errp, \"Channel list has more than one %s entry\",\n+ MigrationChannelType_str(type));\n+ return false;\n+ }\n+ channelv[type] = channels->value;\n+\n+ if (single_channel) {\n+ if (channels->next) {\n+ error_setg(errp, \"Channel list must have only one entry, \"\n+ \"for type 'main'\");\n+ return false;\n+ }\n+ break;\n+ }\n+ }\n+\n+ if (cpr_channelp) {\n+ *cpr_channelp = QAPI_CLONE(MigrationChannel,\n+ channelv[MIGRATION_CHANNEL_TYPE_CPR]);\n+ }\n+\n+ *main_channelp = QAPI_CLONE(MigrationChannel,\n+ channelv[MIGRATION_CHANNEL_TYPE_MAIN]);\n+\n+ if (!(*main_channelp)->addr) {\n+ error_setg(errp, \"Channel list has no main entry\");\n+ return false;\n+ }\n+\n+ return true;\n+}\ndiff --git a/migration/channel.h b/migration/channel.h\nindex 86934fee38..b3276550b7 100644\n--- a/migration/channel.h\n+++ b/migration/channel.h\n@@ -51,4 +51,9 @@ static inline bool migration_connect_incoming(MigrationAddress *addr,\n {\n return migration_connect(addr, false, errp);\n }\n+\n+bool migrate_channels_parse(MigrationChannelList *channels,\n+ MigrationChannel **main_channelp,\n+ MigrationChannel **cpr_channelp,\n+ Error **errp);\n #endif\ndiff --git a/migration/migration.c b/migration/migration.c\nindex c11cd4ebf6..6064f1e5ea 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -741,8 +741,7 @@ static void qemu_setup_incoming_migration(const char *uri, bool has_channels,\n MigrationChannelList *channels,\n Error **errp)\n {\n- g_autoptr(MigrationChannel) channel = NULL;\n- MigrationAddress *addr = NULL;\n+ g_autoptr(MigrationChannel) main_ch = NULL;\n MigrationIncomingState *mis = migration_incoming_get_current();\n \n /*\n@@ -754,25 +753,20 @@ static void qemu_setup_incoming_migration(const char *uri, bool has_channels,\n }\n \n if (channels) {\n- /* To verify that Migrate channel list has only item */\n- if (channels->next) {\n- error_setg(errp, \"Channel list must have only one entry, \"\n- \"for type 'main'\");\n+ if (!migrate_channels_parse(channels, &main_ch, NULL, errp)) {\n return;\n }\n- addr = channels->value->addr;\n }\n \n if (uri) {\n /* caller uses the old URI syntax */\n- if (!migrate_uri_parse(uri, &channel, errp)) {\n+ if (!migrate_uri_parse(uri, &main_ch, errp)) {\n return;\n }\n- addr = channel->addr;\n }\n \n /* transport mechanism not suitable for migration? */\n- if (!migration_transport_compatible(addr, errp)) {\n+ if (!migration_transport_compatible(main_ch->addr, errp)) {\n return;\n }\n \n@@ -784,7 +778,7 @@ static void qemu_setup_incoming_migration(const char *uri, bool has_channels,\n return;\n }\n \n- migration_connect_incoming(addr, errp);\n+ migration_connect_incoming(main_ch->addr, errp);\n \n /* Close cpr socket to tell source that we are listening */\n cpr_state_close();\n@@ -2127,10 +2121,8 @@ void qmp_migrate(const char *uri, bool has_channels,\n MigrationChannelList *channels, bool has_detach, bool detach,\n bool has_resume, bool resume, Error **errp)\n {\n- g_autoptr(MigrationChannel) channel = NULL;\n- MigrationAddress *addr = NULL;\n- MigrationChannel *channelv[MIGRATION_CHANNEL_TYPE__MAX] = { NULL };\n- MigrationChannel *cpr_channel = NULL;\n+ g_autoptr(MigrationChannel) main_ch = NULL;\n+ g_autoptr(MigrationChannel) cpr_ch = NULL;\n \n /*\n * Having preliminary checks for uri and channel\n@@ -2141,38 +2133,24 @@ void qmp_migrate(const char *uri, bool has_channels,\n }\n \n if (channels) {\n- for ( ; channels; channels = channels->next) {\n- MigrationChannelType type = channels->value->channel_type;\n-\n- if (channelv[type]) {\n- error_setg(errp, \"Channel list has more than one %s entry\",\n- MigrationChannelType_str(type));\n- return;\n- }\n- channelv[type] = channels->value;\n- }\n- cpr_channel = channelv[MIGRATION_CHANNEL_TYPE_CPR];\n- addr = channelv[MIGRATION_CHANNEL_TYPE_MAIN]->addr;\n- if (!addr) {\n- error_setg(errp, \"Channel list has no main entry\");\n+ if (!migrate_channels_parse(channels, &main_ch, &cpr_ch, errp)) {\n return;\n }\n }\n \n if (uri) {\n /* caller uses the old URI syntax */\n- if (!migrate_uri_parse(uri, &channel, errp)) {\n+ if (!migrate_uri_parse(uri, &main_ch, errp)) {\n return;\n }\n- addr = channel->addr;\n }\n \n /* transport mechanism not suitable for migration? */\n- if (!migration_transport_compatible(addr, errp)) {\n+ if (!migration_transport_compatible(main_ch->addr, errp)) {\n return;\n }\n \n- if (migrate_mode() == MIG_MODE_CPR_TRANSFER && !cpr_channel) {\n+ if (migrate_mode() == MIG_MODE_CPR_TRANSFER && !cpr_ch) {\n error_setg(errp, \"missing 'cpr' migration channel\");\n return;\n }\n@@ -2189,7 +2167,7 @@ void qmp_migrate(const char *uri, bool has_channels,\n */\n Error *local_err = NULL;\n \n- if (!cpr_state_save(cpr_channel, &local_err)) {\n+ if (!cpr_state_save(cpr_ch, &local_err)) {\n goto out;\n }\n \n@@ -2205,10 +2183,10 @@ void qmp_migrate(const char *uri, bool has_channels,\n */\n if (migrate_mode() == MIG_MODE_CPR_TRANSFER) {\n migrate_hup_add(cpr_state_ioc(), (GSourceFunc)qmp_migrate_finish_cb,\n- QAPI_CLONE(MigrationAddress, addr));\n+ QAPI_CLONE(MigrationAddress, main_ch->addr));\n \n } else {\n- qmp_migrate_finish(addr, &local_err);\n+ qmp_migrate_finish(main_ch->addr, &local_err);\n }\n \n out:\n", "prefixes": [ "RFC", "23/25" ] }