@@ -269,6 +269,9 @@ int xc_psr_set_domain_data(xc_interface *xch, uint32_t domid,
case XC_PSR_CAT_L2_CBM:
cmd = XEN_DOMCTL_PSR_CAT_OP_SET_L2_CBM;
break;
+ case XC_PSR_MBA_THRTL:
+ cmd = XEN_DOMCTL_PSR_MBA_OP_SET_THRTL;
+ break;
default:
errno = EINVAL;
return -1;
@@ -2167,6 +2167,9 @@ int libxl_psr_cmt_get_sample(libxl_ctx *ctx,
int libxl_psr_cat_set_cbm(libxl_ctx *ctx, uint32_t domid,
libxl_psr_cbm_type type, libxl_bitmap *target_map,
uint64_t cbm);
+int libxl_psr_set_val(libxl_ctx *ctx, uint32_t domid,
+ libxl_psr_cbm_type type, libxl_bitmap *target_map,
+ uint64_t val);
/*
* Function to get a domain's cbm. It operates on a single 'target'.
* The definition of 'target' is related to 'type':
@@ -408,6 +408,39 @@ int libxl_psr_cat_get_cbm(libxl_ctx *ctx, uint32_t domid,
return rc;
}
+int libxl_psr_set_val(libxl_ctx *ctx, uint32_t domid,
+ libxl_psr_cbm_type type, libxl_bitmap *target_map,
+ uint64_t cbm)
+{
+ GC_INIT(ctx);
+ int rc;
+ int socketid, nr_sockets;
+
+ rc = libxl__count_physical_sockets(gc, &nr_sockets);
+ if (rc) {
+ LOGED(ERROR, domid, "failed to get system socket count");
+ goto out;
+ }
+
+ libxl_for_each_set_bit(socketid, *target_map) {
+ xc_psr_val_type xc_type;
+
+ if (socketid >= nr_sockets)
+ break;
+
+ xc_type = libxl__psr_cbm_type_to_libxc_psr_val_type(type);
+ if (xc_psr_set_domain_data(ctx->xch, domid, xc_type,
+ socketid, cbm)) {
+ libxl__psr_alloc_log_err_msg(gc, type, errno);
+ rc = ERROR_FAIL;
+ }
+ }
+
+out:
+ GC_FREE;
+ return rc;
+}
+
int libxl_psr_get_val(libxl_ctx *ctx, uint32_t domid,
libxl_psr_cbm_type type, uint32_t target,
uint64_t *val)
@@ -134,6 +134,7 @@ int main_psr_cat_cbm_set(int argc, char **argv);
int main_psr_cat_show(int argc, char **argv);
#endif
#ifdef LIBXL_HAVE_PSR_MBA
+int main_psr_mba_set(int argc, char **argv);
int main_psr_mba_show(int argc, char **argv);
#endif
int main_qemu_monitor_command(int argc, char **argv);
@@ -9652,6 +9652,61 @@ int main_psr_mba_show(int argc, char **argv)
return psr_mba_show(domid);
}
+
+int main_psr_mba_set(int argc, char **argv)
+{
+ uint32_t domid;
+ libxl_psr_cbm_type type;
+ uint64_t thrtl;
+ int ret, opt = 0;
+ libxl_bitmap target_map;
+ char *value;
+ libxl_string_list socket_list;
+ unsigned long start, end;
+ unsigned int i, j, len;
+
+ static struct option opts[] = {
+ {"socket", 1, 0, 's'},
+ COMMON_LONG_OPTS
+ };
+
+ libxl_socket_bitmap_alloc(ctx, &target_map, 0);
+ libxl_bitmap_set_none(&target_map);
+
+ SWITCH_FOREACH_OPT(opt, "s", opts, "psr-mba-set", 0) {
+ case 's':
+ trim(isspace, optarg, &value);
+ split_string_into_string_list(value, ",", &socket_list);
+ len = libxl_string_list_length(&socket_list);
+ for (i = 0; i < len; i++) {
+ parse_range(socket_list[i], &start, &end);
+ for (j = start; j <= end; j++)
+ libxl_bitmap_set(&target_map, j);
+ }
+
+ libxl_string_list_dispose(&socket_list);
+ free(value);
+ break;
+ }
+
+ type = LIBXL_PSR_CBM_TYPE_MBA_THRTL;
+
+ if (libxl_bitmap_is_empty(&target_map))
+ libxl_bitmap_set_any(&target_map);
+
+ if (argc != optind + 2) {
+ help("psr-mba-set");
+ return 2;
+ }
+
+ domid = find_domain(argv[optind]);
+ thrtl = strtoll(argv[optind + 1], NULL , 0);
+
+ ret = libxl_psr_set_val(ctx, domid, type, &target_map, thrtl);
+
+ libxl_bitmap_dispose(&target_map);
+ return ret;
+}
#endif
int main_psr_cat_cbm_set(int argc, char **argv)
@@ -566,6 +566,12 @@ struct cmd_spec cmd_table[] = {
#endif
#ifdef LIBXL_HAVE_PSR_MBA
+ { "psr-mba-set",
+ &main_psr_mba_set, 0, 1,
+ "Set throttling value (THRTL) for a domain",
+ "[options] <Domain> <THRTL>",
+ "-s <socket> Specify the socket to process, otherwise all sockets are processed\n"
+ },
{ "psr-mba-show",
&main_psr_mba_show, 0, 1,
"Show Memory Bandwidth Allocation information",
This patch implements set value flow in tools for MBA. Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> --- tools/libxc/xc_psr.c | 3 +++ tools/libxl/libxl.h | 3 +++ tools/libxl/libxl_psr.c | 33 ++++++++++++++++++++++++++++ tools/libxl/xl.h | 1 + tools/libxl/xl_cmdimpl.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++ tools/libxl/xl_cmdtable.c | 6 ++++++ 6 files changed, 101 insertions(+)