From 6db51261126cfaf84c0c1b771ea5f8d116e8389e Mon Sep 17 00:00:00 2001 From: Lin Ming Date: Mon, 2 Apr 2012 17:32:39 +0100 Subject: libxl: support for "rtc_timeoffset" and "localtime" Implement "rtc_timeoffset" and "localtime" options compatible as xm. rtc_timeoffset is the offset between host time and guest time. localtime means to specify whether the emulted RTC appears as UTC or is offset by the host. Acked-by: Ian Campbell Signed-off-by: Lin Ming Committed-by: Ian Jackson --- docs/man/xl.cfg.pod.5 | 8 ++++++++ tools/libxl/libxl_create.c | 11 +++++++++++ tools/libxl/libxl_dom.c | 3 +++ tools/libxl/libxl_types.idl | 2 ++ tools/libxl/xl_cmdimpl.c | 5 +++++ 5 files changed, 29 insertions(+), 0 deletions(-) --- tools/libxl/libxl_create.c | 11 +++++++++++ tools/libxl/libxl_dom.c | 3 +++ tools/libxl/libxl_types.idl | 2 ++ tools/libxl/xl_cmdimpl.c | 5 +++++ 4 files changed, 21 insertions(+) (limited to 'tools') diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c index 8417661108..d39ecbe687 100644 --- a/tools/libxl/libxl_create.c +++ b/tools/libxl/libxl_create.c @@ -124,6 +124,17 @@ int libxl__domain_build_info_setdefault(libxl__gc *gc, if (b_info->target_memkb == LIBXL_MEMKB_DEFAULT) b_info->target_memkb = b_info->max_memkb; + libxl_defbool_setdefault(&b_info->localtime, false); + if (libxl_defbool_val(b_info->localtime)) { + time_t t; + struct tm *tm; + + t = time(NULL); + tm = localtime(&t); + + b_info->rtc_timeoffset += tm->tm_gmtoff; + } + libxl_defbool_setdefault(&b_info->disable_migrate, false); switch (b_info->type) { diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c index 9b33267353..0bdd654745 100644 --- a/tools/libxl/libxl_dom.c +++ b/tools/libxl/libxl_dom.c @@ -91,6 +91,9 @@ int libxl__build_pre(libxl__gc *gc, uint32_t domid, if (libxl_defbool_val(info->disable_migrate)) xc_domain_disable_migrate(ctx->xch, domid); + if (info->rtc_timeoffset) + xc_domain_set_time_offset(ctx->xch, domid, info->rtc_timeoffset); + if (info->type == LIBXL_DOMAIN_TYPE_HVM) { unsigned long shadow; shadow = (info->shadow_memkb + 1023) / 1024; diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl index 413a1a6efc..09089b219f 100644 --- a/tools/libxl/libxl_types.idl +++ b/tools/libxl/libxl_types.idl @@ -238,6 +238,8 @@ libxl_domain_build_info = Struct("domain_build_info",[ ("target_memkb", MemKB), ("video_memkb", MemKB), ("shadow_memkb", MemKB), + ("rtc_timeoffset", uint32), + ("localtime", libxl_defbool), ("disable_migrate", libxl_defbool), ("cpuid", libxl_cpuid_policy_list), diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c index 4c1aa41ce3..7868ce798c 100644 --- a/tools/libxl/xl_cmdimpl.c +++ b/tools/libxl/xl_cmdimpl.c @@ -697,6 +697,11 @@ static void parse_config_data(const char *configfile_filename_report, } } + if (!xlu_cfg_get_long(config, "rtc_timeoffset", &l, 0)) + b_info->rtc_timeoffset = l; + + xlu_cfg_get_defbool(config, "localtime", &b_info->localtime, 0); + if (!xlu_cfg_get_long (config, "videoram", &l, 0)) b_info->video_memkb = l * 1024; -- cgit v1.2.3