54 uefi_variable *uefi_vars_find_variable(uefi_vars_state *uv, QemuUUID guid,  in uefi_vars_find_variable()  argument
59     QTAILQ_FOREACH(var, &uv->variables, next) {  in uefi_vars_find_variable()
76 static uefi_variable *add_variable(uefi_vars_state *uv, QemuUUID guid,  in add_variable()  argument
91     QTAILQ_INSERT_TAIL(&uv->variables, var, next);  in add_variable()
95 static void del_variable(uefi_vars_state *uv, uefi_variable *var)  in del_variable()  argument
101     QTAILQ_REMOVE(&uv->variables, var, next);  in del_variable()
119 void uefi_vars_set_variable(uefi_vars_state *uv, QemuUUID guid,  in uefi_vars_set_variable()  argument
128     old_var = uefi_vars_find_variable(uv, guid, name, name_size);  in uefi_vars_set_variable()
130         uv->used_storage -= variable_size(old_var);  in uefi_vars_set_variable()
131         del_variable(uv, old_var);  in uefi_vars_set_variable()
134     new_var = add_variable(uv, guid, name, name_size, attributes);  in uefi_vars_set_variable()
138     uv->used_storage += variable_size(new_var);  in uefi_vars_set_variable()
141 void uefi_vars_clear_volatile(uefi_vars_state *uv)  in uefi_vars_clear_volatile()  argument
145     QTAILQ_FOREACH_SAFE(var, &uv->variables, next, n) {  in uefi_vars_clear_volatile()
149         uv->used_storage -= variable_size(var);  in uefi_vars_clear_volatile()
150         del_variable(uv, var);  in uefi_vars_clear_volatile()
154 void uefi_vars_clear_all(uefi_vars_state *uv)  in uefi_vars_clear_all()  argument
158     QTAILQ_FOREACH_SAFE(var, &uv->variables, next, n) {  in uefi_vars_clear_all()
159         del_variable(uv, var);  in uefi_vars_clear_all()
161     uv->used_storage = 0;  in uefi_vars_clear_all()
164 void uefi_vars_update_storage(uefi_vars_state *uv)  in uefi_vars_update_storage()  argument
168     uv->used_storage = 0;  in uefi_vars_update_storage()
169     QTAILQ_FOREACH(var, &uv->variables, next) {  in uefi_vars_update_storage()
170         uv->used_storage += variable_size(var);  in uefi_vars_update_storage()
174 static gboolean check_access(uefi_vars_state *uv, uefi_variable *var)  in check_access()  argument
176     if (!uv->exit_boot_service) {  in check_access()
188 static efi_status check_update(uefi_vars_state *uv, uefi_variable *old_var,  in check_update()  argument
194         if (!check_access(uv, old_var)) {  in check_update()
203         if (!check_access(uv, new_var)) {  in check_update()
216         status = uefi_vars_policy_check(uv, new_var, old_var == NULL);  in check_update()
220         status = uefi_vars_policy_check(uv, old_var, false);  in check_update()
226     status = uefi_vars_check_secure_boot(uv, new_var ?: old_var);  in check_update()
263 static size_t uefi_vars_mm_get_variable(uefi_vars_state *uv, mm_header *mhdr,  in uefi_vars_mm_get_variable()  argument
277     if (va->name_size > uv->max_storage ||  in uefi_vars_mm_get_variable()
278         va->data_size > uv->max_storage) {  in uefi_vars_mm_get_variable()
296     var = uefi_vars_find_variable(uv, va->guid, name, va->name_size);  in uefi_vars_mm_get_variable()
302     if (!check_access(uv, var)) {  in uefi_vars_mm_get_variable()
310     if (uv->buf_size < length) {  in uefi_vars_mm_get_variable()
328 uefi_vars_mm_get_next_variable(uefi_vars_state *uv, mm_header *mhdr,  in uefi_vars_mm_get_next_variable()  argument
341     if (nv->name_size > uv->max_storage) {  in uefi_vars_mm_get_next_variable()
359         var = QTAILQ_FIRST(&uv->variables);  in uefi_vars_mm_get_next_variable()
364         var = uefi_vars_find_variable(uv, nv->guid, name, nv->name_size);  in uefi_vars_mm_get_next_variable()
370         } while (var && !check_access(uv, var));  in uefi_vars_mm_get_next_variable()
377     if (uv->buf_size < length) {  in uefi_vars_mm_get_next_variable()
411 static size_t uefi_vars_mm_set_variable(uefi_vars_state *uv, mm_header *mhdr,  in uefi_vars_mm_set_variable()  argument
428     if (va->name_size > uv->max_storage ||  in uefi_vars_mm_set_variable()
429         va->data_size > uv->max_storage) {  in uefi_vars_mm_set_variable()
458     old_var = uefi_vars_find_variable(uv, va->guid, name, va->name_size);  in uefi_vars_mm_set_variable()
460         new_var = add_variable(uv, va->guid, name, va->name_size,  in uefi_vars_mm_set_variable()
469             status = uefi_vars_check_auth_2(uv, new_var, va, data);  in uefi_vars_mm_set_variable()
494             del_variable(uv, new_var);  in uefi_vars_mm_set_variable()
508     status = check_update(uv, old_var, new_var);  in uefi_vars_mm_set_variable()
524     new_storage = uv->used_storage;  in uefi_vars_mm_set_variable()
531     if (new_storage > uv->max_storage) {  in uefi_vars_mm_set_variable()
541     del_variable(uv, old_var);  in uefi_vars_mm_set_variable()
542     uv->used_storage = new_storage;  in uefi_vars_mm_set_variable()
545         uefi_vars_json_save(uv);  in uefi_vars_mm_set_variable()
549         uefi_vars_auth_init(uv);  in uefi_vars_mm_set_variable()
556     del_variable(uv, new_var);  in uefi_vars_mm_set_variable()
560 static size_t uefi_vars_mm_variable_info(uefi_vars_state *uv, mm_header *mhdr,  in uefi_vars_mm_variable_info()  argument
567     if (uv->buf_size < length) {  in uefi_vars_mm_variable_info()
571     vi->max_storage_size  = uv->max_storage;  in uefi_vars_mm_variable_info()
572     vi->free_storage_size = uv->max_storage - uv->used_storage;  in uefi_vars_mm_variable_info()
573     vi->max_variable_size = uv->max_storage >> 2;  in uefi_vars_mm_variable_info()
581 uefi_vars_mm_get_payload_size(uefi_vars_state *uv, mm_header *mhdr,  in uefi_vars_mm_get_payload_size()  argument
588     if (uv->buf_size < length) {  in uefi_vars_mm_get_payload_size()
592     ps->payload_size = uv->buf_size;  in uefi_vars_mm_get_payload_size()
598 uefi_vars_mm_lock_variable(uefi_vars_state *uv, mm_header *mhdr,  in uefi_vars_mm_lock_variable()  argument
635     uefi_vars_add_policy(uv, pe);  in uefi_vars_mm_lock_variable()
642 uint32_t uefi_vars_mm_vars_proto(uefi_vars_state *uv)  in uefi_vars_mm_vars_proto()  argument
664     mm_header   *mhdr = (mm_header *) uv->buffer;  in uefi_vars_mm_vars_proto()
665     mm_variable *mvar = (mm_variable *) (uv->buffer + sizeof(*mhdr));  in uefi_vars_mm_vars_proto()
666     void        *func = (uv->buffer + sizeof(*mhdr) + sizeof(*mvar));  in uefi_vars_mm_vars_proto()
679         length = uefi_vars_mm_get_variable(uv, mhdr, mvar, func);  in uefi_vars_mm_vars_proto()
683         length = uefi_vars_mm_get_next_variable(uv, mhdr, mvar, func);  in uefi_vars_mm_vars_proto()
687         length = uefi_vars_mm_set_variable(uv, mhdr, mvar, func);  in uefi_vars_mm_vars_proto()
691         length = uefi_vars_mm_variable_info(uv, mhdr, mvar, func);  in uefi_vars_mm_vars_proto()
695         length = uefi_vars_mm_lock_variable(uv, mhdr, mvar, func);  in uefi_vars_mm_vars_proto()
699         length = uefi_vars_mm_get_payload_size(uv, mhdr, mvar, func);  in uefi_vars_mm_vars_proto()
704         uv->ready_to_boot = true;  in uefi_vars_mm_vars_proto()
710         uv->exit_boot_service = true;  in uefi_vars_mm_vars_proto()