+static int
+target_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf);
+
+static struct {
+ uint8_t page;
+ int (*emulate)(struct se_cmd *, unsigned char *);
+} evpd_handlers[] = {
+ { .page = 0x00, .emulate = target_emulate_evpd_00 },
+ { .page = 0x80, .emulate = target_emulate_evpd_80 },
+ { .page = 0x83, .emulate = target_emulate_evpd_83 },
+ { .page = 0x86, .emulate = target_emulate_evpd_86 },
+ { .page = 0xb0, .emulate = target_emulate_evpd_b0 },
+ { .page = 0xb1, .emulate = target_emulate_evpd_b1 },
+ { .page = 0xb2, .emulate = target_emulate_evpd_b2 },
+};
+
+/* supported vital product data pages */
+static int
+target_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf)
+{
+ int p;
+
+ if (cmd->data_length < 8)
+ return 0;
+ /*
+ * Only report the INQUIRY EVPD=1 pages after a valid NAA
+ * Registered Extended LUN WWN has been set via ConfigFS
+ * during device creation/restart.
+ */
+ if (cmd->se_dev->se_sub_dev->su_dev_flags &
+ SDF_EMULATED_VPD_UNIT_SERIAL) {
+ buf[3] = ARRAY_SIZE(evpd_handlers);
+ for (p = 0; p < min_t(int, ARRAY_SIZE(evpd_handlers),
+ cmd->data_length - 4); ++p)
+ buf[p + 4] = evpd_handlers[p].page;
+ }
+
+ return 0;
+}
+