diff --git a/include/pm3_cmd.h b/include/pm3_cmd.h
index 6e64e12f8..3e35a6d7c 100644
--- a/include/pm3_cmd.h
+++ b/include/pm3_cmd.h
@@ -1188,6 +1188,7 @@ typedef struct {
 // For ThinFilm Kovio
 #define CMD_HF_THINFILM_READ 0x0810
 #define CMD_HF_THINFILM_SIMULATE 0x0811
+#define CMD_HF_THINFILM_SNIFF 0x0812
 
 // For Atmel CryptoRF
 #define CMD_HF_CRYPTORF_SIM 0x0820
diff --git a/include/pmflash.h b/include/pmflash.h
index 7969ac4d9..31d895b10 100644
--- a/include/pmflash.h
+++ b/include/pmflash.h
@@ -100,4 +100,8 @@ typedef struct {
     uint8_t  pages64k;
 } PACKED spi_flash_t;
 
+// SPIFFS errno values the client has to name when the device reports a failed
+// write.  Mirrors armsrc/spiffs.h, which is device side only
+#define SPIFFS_ERR_FULL_RDV     (-10001)
+
 #endif // __PMFLASH_H