Re: [Qemu-devel] [PATCH v4] hmp, qmp: introduce memory-size-summary commands

[Vadim Galitsyn]

Hi Guys,

This thread is a continuation of discussion from:
  http://lists.nongnu.org/archive/html/qemu-devel/2017-07/msg01565.html

I will post changes list here in cover letter.

v5:
 * hmp: Updated description and '.help' message for
   'info memory-size-summary' command.

 * hmp: Removed '-' characters from
   'info memory-size-summary' output.

 * Dropped ballooned memory information.

 * get_existing_hotpluggable_memory_size() assumed
   to never fail; routine now has no arguments and
   returns uint64_t; in case if target does not support
   memory hotplug, (uint64_t)-1 is returned.

 * MemoryInfo structure:
   * Removed @balloon-actual-memory field.
   * Field @hotpluggable-memory renamed
     to @hotunpluggable-memory.
   * Updated description for fields.

 * qmp: Updated description for
   query-memory-size-summary.

 * Patch v4 splitted into series.

v4:
 * Commands "info memory" and "query-memory" were renamed
   to "info memory-size-summary" and "query-memory-size-summary"
   correspondingly.
 * Descriptions for both commands as well as MemoryInfo structure
   fields were updated/renamed according to
   http://lists.nongnu.org/archive/html/qemu-devel/2017-06/msg05972.html.
 * In MemoryInfo structure following fields are now optional:
   hotpluggable-memory and balloon-actual-memory.
 * Field "hotpluggable-memory" now not displayed in HMP if target
   has no CONFIG_MEM_HOTPLUG enabled.
 * Field "balloon-actual-memory" now not displayed in HMP if
   ballooning not enabled.
 * qapi_free_MemoryInfo() used in order to free corresponding memory
   instead of g_free().
 * #ifdef CONFIG_MEM_HOTPLUG was removed and replaced with stubs/ approach.
   get_exiting_hotpluggable_memory_size() function was introduced in
   hw/mem/pc-dimm.c (available for all targets which have CONFIG_MEM_HOTPLUG
   enabled). For other targets, there is a stub in stubs/qmp_pc_dimm.c.
   In addition, stubs/qmp_pc_dimm_device_list.c was renamed to
   stubs/qmp_pc_dimm.c in order to reflect actual source file content.
 * Commit message was updated in order to reflect what was changed.

v3:
 * Use PRIu64 instead of 'lu' when printing results via HMP.
 * Report zero hot-plugged memory instead of reporting error
   when target architecture has no CONFIG_MEM_HOTPLUG enabled.

v2:
 * Fixed build for targets which do not have CONFIG_MEM_HOTPLUG
   enabled.

Best regards,
Vadim