Add a new "xenstore-quota" domain config parameter for setting the Xenstore quota of a new domain via a list of <quota>=<val> items.
Signed-off-by: Juergen Gross <[email protected]> --- docs/man/xl.cfg.5.pod.in | 13 +++++++++++++ tools/xl/xl_parse.c | 23 ++++++++++++++++++++++- 2 files changed, 35 insertions(+), 1 deletion(-) diff --git a/docs/man/xl.cfg.5.pod.in b/docs/man/xl.cfg.5.pod.in index 27c455210b..3aac0bc4fb 100644 --- a/docs/man/xl.cfg.5.pod.in +++ b/docs/man/xl.cfg.5.pod.in @@ -748,6 +748,19 @@ via the B<xl info -x> command in dom0. The default value is B<0xffffffff>, meaning that all possible Xenstore features are visible by the guest. +=item B<xenstore_quota=[ QUOTA_SPEC, QUOTA_SPEC, ...]> + +Specifies Xenstore quota values of the domain, overriding the default +values of Xenstore. + +Each B<QUOTA_SPEC> is a B<quota-name>=B<value> specification. The supported +B<quota-name> identifiers can be obtained by the B<xl xenstore-quota-get -g> +command. B<value> is a non-negative integer. + +As per-domain Xenstore quota are an optional Xenstore feature, the +B<xenstore_quota> config parameter may not be supported by all Xenstore +implementations. + =back =head2 Devices diff --git a/tools/xl/xl_parse.c b/tools/xl/xl_parse.c index 934ad4eeef..06a5b60736 100644 --- a/tools/xl/xl_parse.c +++ b/tools/xl/xl_parse.c @@ -1351,7 +1351,7 @@ void parse_config_data(const char *config_source, XLU_ConfigList *cpus, *vbds, *nics, *pcis, *cvfbs, *cpuids, *vtpms, *usbctrls, *usbdevs, *p9devs, *vdispls, *pvcallsifs_devs; XLU_ConfigList *channels, *ioports, *irqs, *iomem, *viridian, *dtdevs, - *mca_caps, *smbios, *llc_colors; + *mca_caps, *smbios, *llc_colors, *xs_quota; int num_ioports, num_irqs, num_iomem, num_cpus, num_viridian, num_mca_caps; int num_smbios; int pci_power_mgmt = 0; @@ -1360,6 +1360,7 @@ void parse_config_data(const char *config_source, int pci_seize = 0; int i, e; int num_llc_colors; + int num_xs_quota; char *kernel_basename; libxl_domain_create_info *c_info = &d_config->c_info; @@ -1467,6 +1468,26 @@ void parse_config_data(const char *config_source, if (!xlu_cfg_get_long (config, "xenstore_feature_mask", &l, 0)) b_info->xenstore_feature_mask = l; + if (!xlu_cfg_get_list(config, "xenstore_quota", &xs_quota, &num_xs_quota, 0)) { + b_info->xenstore_quota.num_quota = num_xs_quota; + b_info->xenstore_quota.quota = calloc(num_xs_quota, sizeof(* b_info->xenstore_quota.quota)); + if (b_info->xenstore_quota.quota == NULL) { + fprintf(stderr, "unable to allocate memory for xenstore_quota\n"); + exit(-1); + } + + for (i = 0; i < num_xs_quota; i++) { + buf = xlu_cfg_get_listitem(xs_quota, i); + if (!buf) { + fprintf(stderr, + "xl: Can't get element %d in Xenstore quota list\n", i); + exit(1); + } + if (parse_xsquota_item(buf, b_info->xenstore_quota.quota + i)) + exit(1); + } + } + libxl_domain_build_info_init_type(b_info, c_info->type); if (b_info->type == LIBXL_DOMAIN_TYPE_PVH) { -- 2.53.0
