| Message ID | 1714406135-451286-19-git-send-email-steven.sistare@oracle.com |
|---|---|
| State | New |
| Headers | show |
| Series | Live update: cpr-exec | expand |
Steve Sistare <steven.sistare@oracle.com> writes: > Create the cpr-exec-args migration parameter, defined as a list of > strings. It will be used for cpr-exec migration mode in a subsequent > patch. > > No functional change, except that cpr-exec-args is shown by the > 'info migrate' command. > > Signed-off-by: Steve Sistare <steven.sistare@oracle.com> [...] > diff --git a/qapi/migration.json b/qapi/migration.json > index 8c65b90..49710e7 100644 > --- a/qapi/migration.json > +++ b/qapi/migration.json > @@ -914,6 +914,9 @@ > # See description in @ZeroPageDetection. Default is 'multifd'. > # (since 9.0) > # > +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. > +# See @cpr-exec for details. (Since 9.1) > +# You mean migration mode @cpr-exec, don't you? If yes, dangling reference until PATCH 20 adds it. Okay, but worth a mention in the commit message. Suggest "See MigMode @cpr-exec for details." > # Features: > # > # @deprecated: Member @block-incremental is deprecated. Use > @@ -948,7 +951,8 @@ > { 'name': 'x-vcpu-dirty-limit-period', 'features': ['unstable'] }, > 'vcpu-dirty-limit', > 'mode', > - 'zero-page-detection'] } > + 'zero-page-detection', > + 'cpr-exec-args'] } > > ## > # @MigrateSetParameters: > @@ -1122,6 +1126,9 @@ > # See description in @ZeroPageDetection. Default is 'multifd'. > # (since 9.0) > # > +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. > +# See @cpr-exec for details. (Since 9.1) > +# > # Features: > # > # @deprecated: Member @block-incremental is deprecated. Use > @@ -1176,7 +1183,8 @@ > 'features': [ 'unstable' ] }, > '*vcpu-dirty-limit': 'uint64', > '*mode': 'MigMode', > - '*zero-page-detection': 'ZeroPageDetection'} } > + '*zero-page-detection': 'ZeroPageDetection', > + '*cpr-exec-args': [ 'str' ]} } > > ## > # @migrate-set-parameters: > @@ -1354,6 +1362,9 @@ > # See description in @ZeroPageDetection. Default is 'multifd'. > # (since 9.0) > # > +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. > +# See @cpr-exec for details. (Since 9.1) > +# > # Features: > # > # @deprecated: Member @block-incremental is deprecated. Use > @@ -1405,7 +1416,8 @@ > 'features': [ 'unstable' ] }, > '*vcpu-dirty-limit': 'uint64', > '*mode': 'MigMode', > - '*zero-page-detection': 'ZeroPageDetection'} } > + '*zero-page-detection': 'ZeroPageDetection', > + '*cpr-exec-args': [ 'str' ]} } > > ## > # @query-migrate-parameters:
On 5/2/2024 8:23 AM, Markus Armbruster wrote: > Steve Sistare <steven.sistare@oracle.com> writes: > >> Create the cpr-exec-args migration parameter, defined as a list of >> strings. It will be used for cpr-exec migration mode in a subsequent >> patch. >> >> No functional change, except that cpr-exec-args is shown by the >> 'info migrate' command. >> >> Signed-off-by: Steve Sistare <steven.sistare@oracle.com> > > [...] > >> diff --git a/qapi/migration.json b/qapi/migration.json >> index 8c65b90..49710e7 100644 >> --- a/qapi/migration.json >> +++ b/qapi/migration.json >> @@ -914,6 +914,9 @@ >> # See description in @ZeroPageDetection. Default is 'multifd'. >> # (since 9.0) >> # >> +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. >> +# See @cpr-exec for details. (Since 9.1) >> +# > > You mean migration mode @cpr-exec, don't you? > > If yes, dangling reference until PATCH 20 adds it. Okay, but worth a > mention in the commit message. > > Suggest "See MigMode @cpr-exec for details." Yes to all. Will update as you suggest. - Steve >> # Features: >> # >> # @deprecated: Member @block-incremental is deprecated. Use >> @@ -948,7 +951,8 @@ >> { 'name': 'x-vcpu-dirty-limit-period', 'features': ['unstable'] }, >> 'vcpu-dirty-limit', >> 'mode', >> - 'zero-page-detection'] } >> + 'zero-page-detection', >> + 'cpr-exec-args'] } >> >> ## >> # @MigrateSetParameters: >> @@ -1122,6 +1126,9 @@ >> # See description in @ZeroPageDetection. Default is 'multifd'. >> # (since 9.0) >> # >> +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. >> +# See @cpr-exec for details. (Since 9.1) >> +# >> # Features: >> # >> # @deprecated: Member @block-incremental is deprecated. Use >> @@ -1176,7 +1183,8 @@ >> 'features': [ 'unstable' ] }, >> '*vcpu-dirty-limit': 'uint64', >> '*mode': 'MigMode', >> - '*zero-page-detection': 'ZeroPageDetection'} } >> + '*zero-page-detection': 'ZeroPageDetection', >> + '*cpr-exec-args': [ 'str' ]} } >> >> ## >> # @migrate-set-parameters: >> @@ -1354,6 +1362,9 @@ >> # See description in @ZeroPageDetection. Default is 'multifd'. >> # (since 9.0) >> # >> +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. >> +# See @cpr-exec for details. (Since 9.1) >> +# >> # Features: >> # >> # @deprecated: Member @block-incremental is deprecated. Use >> @@ -1405,7 +1416,8 @@ >> 'features': [ 'unstable' ] }, >> '*vcpu-dirty-limit': 'uint64', >> '*mode': 'MigMode', >> - '*zero-page-detection': 'ZeroPageDetection'} } >> + '*zero-page-detection': 'ZeroPageDetection', >> + '*cpr-exec-args': [ 'str' ]} } >> >> ## >> # @query-migrate-parameters: >
diff --git a/hmp-commands.hx b/hmp-commands.hx index 2e2a3bc..39954ae 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1012,7 +1012,7 @@ ERST { .name = "migrate_set_parameter", - .args_type = "parameter:s,value:s", + .args_type = "parameter:s,value:S", .params = "parameter value", .help = "Set the parameter for migration", .cmd = hmp_migrate_set_parameter, diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c index 7e96ae6..414c7e8 100644 --- a/migration/migration-hmp-cmds.c +++ b/migration/migration-hmp-cmds.c @@ -255,6 +255,18 @@ void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict) qapi_free_MigrationCapabilityStatusList(caps); } +static void monitor_print_cpr_exec_args(Monitor *mon, strList *args) +{ + monitor_printf(mon, "%s:", + MigrationParameter_str(MIGRATION_PARAMETER_CPR_EXEC_ARGS)); + + while (args) { + monitor_printf(mon, " %s", args->value); + args = args->next; + } + monitor_printf(mon, "\n"); +} + void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict) { MigrationParameters *params; @@ -397,6 +409,8 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict) monitor_printf(mon, "%s: %s\n", MigrationParameter_str(MIGRATION_PARAMETER_MODE), qapi_enum_lookup(&MigMode_lookup, params->mode)); + assert(params->has_cpr_exec_args); + monitor_print_cpr_exec_args(mon, params->cpr_exec_args); } qapi_free_MigrationParameters(params); @@ -690,6 +704,16 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) p->has_mode = true; visit_type_MigMode(v, param, &p->mode, &err); break; + case MIGRATION_PARAMETER_CPR_EXEC_ARGS: { + g_autofree char **strv = g_strsplit(valuestr ?: "", " ", -1); + strList **tail = &p->cpr_exec_args; + + for (int i = 0; strv[i]; i++) { + QAPI_LIST_APPEND(tail, strv[i]); + } + p->has_cpr_exec_args = true; + break; + } default: assert(0); } diff --git a/migration/options.c b/migration/options.c index 239f5ec..89082cc 100644 --- a/migration/options.c +++ b/migration/options.c @@ -1060,6 +1060,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) params->mode = s->parameters.mode; params->has_zero_page_detection = true; params->zero_page_detection = s->parameters.zero_page_detection; + params->has_cpr_exec_args = true; + params->cpr_exec_args = QAPI_CLONE(strList, s->parameters.cpr_exec_args); return params; } @@ -1097,6 +1099,7 @@ void migrate_params_init(MigrationParameters *params) params->has_vcpu_dirty_limit = true; params->has_mode = true; params->has_zero_page_detection = true; + params->has_cpr_exec_args = true; } /* @@ -1416,6 +1419,10 @@ static void migrate_params_test_apply(MigrateSetParameters *params, if (params->has_zero_page_detection) { dest->zero_page_detection = params->zero_page_detection; } + + if (params->has_cpr_exec_args) { + dest->cpr_exec_args = params->cpr_exec_args; + } } static void migrate_params_apply(MigrateSetParameters *params, Error **errp) @@ -1570,6 +1577,12 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp) if (params->has_zero_page_detection) { s->parameters.zero_page_detection = params->zero_page_detection; } + + if (params->has_cpr_exec_args) { + qapi_free_strList(s->parameters.cpr_exec_args); + s->parameters.cpr_exec_args = + QAPI_CLONE(strList, params->cpr_exec_args); + } } void qmp_migrate_set_parameters(MigrateSetParameters *params, Error **errp) diff --git a/qapi/migration.json b/qapi/migration.json index 8c65b90..49710e7 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -914,6 +914,9 @@ # See description in @ZeroPageDetection. Default is 'multifd'. # (since 9.0) # +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. +# See @cpr-exec for details. (Since 9.1) +# # Features: # # @deprecated: Member @block-incremental is deprecated. Use @@ -948,7 +951,8 @@ { 'name': 'x-vcpu-dirty-limit-period', 'features': ['unstable'] }, 'vcpu-dirty-limit', 'mode', - 'zero-page-detection'] } + 'zero-page-detection', + 'cpr-exec-args'] } ## # @MigrateSetParameters: @@ -1122,6 +1126,9 @@ # See description in @ZeroPageDetection. Default is 'multifd'. # (since 9.0) # +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. +# See @cpr-exec for details. (Since 9.1) +# # Features: # # @deprecated: Member @block-incremental is deprecated. Use @@ -1176,7 +1183,8 @@ 'features': [ 'unstable' ] }, '*vcpu-dirty-limit': 'uint64', '*mode': 'MigMode', - '*zero-page-detection': 'ZeroPageDetection'} } + '*zero-page-detection': 'ZeroPageDetection', + '*cpr-exec-args': [ 'str' ]} } ## # @migrate-set-parameters: @@ -1354,6 +1362,9 @@ # See description in @ZeroPageDetection. Default is 'multifd'. # (since 9.0) # +# @cpr-exec-args: Arguments passed to new QEMU for @cpr-exec mode. +# See @cpr-exec for details. (Since 9.1) +# # Features: # # @deprecated: Member @block-incremental is deprecated. Use @@ -1405,7 +1416,8 @@ 'features': [ 'unstable' ] }, '*vcpu-dirty-limit': 'uint64', '*mode': 'MigMode', - '*zero-page-detection': 'ZeroPageDetection'} } + '*zero-page-detection': 'ZeroPageDetection', + '*cpr-exec-args': [ 'str' ]} } ## # @query-migrate-parameters:
Create the cpr-exec-args migration parameter, defined as a list of strings. It will be used for cpr-exec migration mode in a subsequent patch. No functional change, except that cpr-exec-args is shown by the 'info migrate' command. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> --- hmp-commands.hx | 2 +- migration/migration-hmp-cmds.c | 24 ++++++++++++++++++++++++ migration/options.c | 13 +++++++++++++ qapi/migration.json | 18 +++++++++++++++--- 4 files changed, 53 insertions(+), 4 deletions(-)