static void prop_get_fdt(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { sPAPRDRConnector *drc = SPAPR_DR_CONNECTOR(obj); Error *err = NULL; int fdt_offset_next, fdt_offset, fdt_depth; void *fdt; if (!drc->fdt) { visit_type_null(v, NULL, errp); return; } fdt = drc->fdt; fdt_offset = drc->fdt_start_offset; fdt_depth = 0; do { const char *name = NULL; const struct fdt_property *prop = NULL; int prop_len = 0, name_len = 0; uint32_t tag; tag = fdt_next_tag(fdt, fdt_offset, &fdt_offset_next); switch (tag) { case FDT_BEGIN_NODE: fdt_depth++; name = fdt_get_name(fdt, fdt_offset, &name_len); visit_start_struct(v, name, NULL, 0, &err); if (err) { error_propagate(errp, err); return; } break; case FDT_END_NODE: /* shouldn't ever see an FDT_END_NODE before FDT_BEGIN_NODE */ g_assert(fdt_depth > 0); visit_check_struct(v, &err); visit_end_struct(v); if (err) { error_propagate(errp, err); return; } fdt_depth--; break; case FDT_PROP: { int i; prop = fdt_get_property_by_offset(fdt, fdt_offset, &prop_len); name = fdt_string(fdt, fdt32_to_cpu(prop->nameoff)); visit_start_list(v, name, &err); if (err) { error_propagate(errp, err); return; } for (i = 0; i < prop_len; i++) { visit_type_uint8(v, NULL, (uint8_t *)&prop->data[i], &err); if (err) { error_propagate(errp, err); return; } } visit_end_list(v); break; } default: error_setg(&error_abort, "device FDT in unexpected state: %d", tag); } fdt_offset = fdt_offset_next; } while (fdt_depth != 0); }
static void prop_get_fdt(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { sPAPRDRConnector *drc = SPAPR_DR_CONNECTOR(obj); Error *err = NULL; int fdt_offset_next, fdt_offset, fdt_depth; void *fdt; if (!drc->fdt) { visit_type_null(v, NULL, errp); return; } fdt = drc->fdt; fdt_offset = drc->fdt_start_offset; fdt_depth = 0; do { const char *name = NULL; const struct fdt_property *prop = NULL; int prop_len = 0, name_len = 0; uint32_t tag; tag = fdt_next_tag(fdt, fdt_offset, &fdt_offset_next); switch (tag) { case FDT_BEGIN_NODE: fdt_depth++; name = fdt_get_name(fdt, fdt_offset, &name_len); visit_start_struct(v, name, NULL, 0, &err); if (err) { error_propagate(errp, err); return; } break; case FDT_END_NODE:   g_assert(fdt_depth > 0); visit_check_struct(v, &err); visit_end_struct(v); if (err) { error_propagate(errp, err); return; } fdt_depth--; break; case FDT_PROP: { int i; prop = fdt_get_property_by_offset(fdt, fdt_offset, &prop_len); name = fdt_string(fdt, fdt32_to_cpu(prop->nameoff)); visit_start_list(v, name, &err); if (err) { error_propagate(errp, err); return; } for (i = 0; i < prop_len; i++) { visit_type_uint8(v, NULL, (uint8_t *)&prop->data[i], &err); if (err) { error_propagate(errp, err); return; } } visit_end_list(v); break; } default: error_setg(&error_abort, "device FDT in unexpected state: %d", tag); } fdt_offset = fdt_offset_next; } while (fdt_depth != 0); }