lib/bpf/libbpf.c

584 		} kcfg;
1962 	switch (ext->kcfg.type) {
1965 			pr_warn("extern (kcfg) '%s': value '%c' implies tristate or char type\n",
1986 		pr_warn("extern (kcfg) '%s': value '%c' implies bool, tristate, or char type\n",
1999 	if (ext->kcfg.type != KCFG_CHAR_ARR) {
2000 		pr_warn("extern (kcfg) '%s': value '%s' implies char array type\n",
2007 		pr_warn("extern (kcfg) '%s': invalid string config '%s'\n",
2014 	if (len >= ext->kcfg.sz) {
2015 		pr_warn("extern (kcfg) '%s': long string '%s' of (%zu bytes) truncated to %d bytes\n",
2016 			ext->name, value, len, ext->kcfg.sz - 1);
2017 		len = ext->kcfg.sz - 1;
2046 	int bit_sz = ext->kcfg.sz * 8;
2048 	if (ext->kcfg.sz == 8)
2063 	if (ext->kcfg.is_signed)
2072 	if (ext->kcfg.type != KCFG_INT && ext->kcfg.type != KCFG_CHAR &&
2073 	    ext->kcfg.type != KCFG_BOOL) {
2074 		pr_warn("extern (kcfg) '%s': value '%llu' implies integer, char, or boolean type\n",
2078 	if (ext->kcfg.type == KCFG_BOOL && value > 1) {
2079 		pr_warn("extern (kcfg) '%s': value '%llu' isn't boolean compatible\n",
2085 		pr_warn("extern (kcfg) '%s': value '%llu' doesn't fit in %d bytes\n",
2086 			ext->name, (unsigned long long)value, ext->kcfg.sz);
2089 	switch (ext->kcfg.sz) {
2143 	ext_val = data + ext->kcfg.data_off;
2157 			pr_warn("extern (kcfg) '%s': value '%s' isn't a valid integer\n", ext->name, value);
2160 		if (ext->kcfg.type != KCFG_INT && ext->kcfg.type != KCFG_CHAR) {
2161 			pr_warn("extern (kcfg) '%s': value '%s' implies integer type\n", ext->name, value);
2169 	pr_debug("extern (kcfg) '%s': set to %s\n", ext->name, value);
2253 	map_sz = last_ext->kcfg.data_off + last_ext->kcfg.sz;
4034 		if (a->kcfg.align != b->kcfg.align)
4035 			return a->kcfg.align > b->kcfg.align ? -1 : 1;
4037 		if (a->kcfg.sz != b->kcfg.sz)
4038 			return a->kcfg.sz < b->kcfg.sz ? -1 : 1;
4182 			ext->kcfg.sz = btf__resolve_size(obj->btf, t->type);
4183 			if (ext->kcfg.sz <= 0) {
4184 				pr_warn("failed to resolve size of extern (kcfg) '%s': %d\n",
4185 					ext_name, ext->kcfg.sz);
4186 				return ext->kcfg.sz;
4188 			ext->kcfg.align = btf__align_of(obj->btf, t->type);
4189 			if (ext->kcfg.align <= 0) {
4190 				pr_warn("failed to determine alignment of extern (kcfg) '%s': %d\n",
4191 					ext_name, ext->kcfg.align);
4194 			ext->kcfg.type = find_kcfg_type(obj->btf, t->type,
4195 							&ext->kcfg.is_signed);
4196 			if (ext->kcfg.type == KCFG_UNKNOWN) {
4197 				pr_warn("extern (kcfg) '%s': type is unsupported\n", ext_name);
4215 	/* sort externs by type, for kcfg ones also by (align, size, name) */
4287 		/* for kcfg externs calculate their offsets within a .kconfig map */
4294 			ext->kcfg.data_off = roundup(off, ext->kcfg.align);
4295 			off = ext->kcfg.data_off + ext->kcfg.sz;
4296 			pr_debug("extern (kcfg) #%d: symbol %d, off %u, name %s\n",
4297 				 i, ext->sym_idx, ext->kcfg.data_off, ext->name);
4313 			vs->offset = ext->kcfg.data_off;
5994 				insn[1].imm = ext->kcfg.data_off;
8255 			void *ext_ptr = kcfg_data + ext->kcfg.data_off;
8264 			/* Virtual kcfg externs are customly handled by libbpf */
8268 					pr_warn("extern (kcfg) '%s': failed to get kernel version\n", ext->name);
8283 				pr_warn("extern (kcfg) '%s': unrecognized virtual extern\n", ext->name);
8290 			pr_debug("extern (kcfg) '%s': set to 0x%llx\n",