feat(intel): support extended random number generation
The random number generation (RNG) mailbox command format
is updated to extends the support to upto 4080 bytes random
number generation. The new RNG format requires an opened
crypto service session.
A separated SMC function ID is introduced for the new RNG
format and it is only supported by Agilex.
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I3f044a3c01ff7cb50be4705e2c1f982bf6f61432
diff --git a/plat/intel/soc/common/include/socfpga_fcs.h b/plat/intel/soc/common/include/socfpga_fcs.h
index 294d1e5..da982e1 100644
--- a/plat/intel/soc/common/include/socfpga_fcs.h
+++ b/plat/intel/soc/common/include/socfpga_fcs.h
@@ -14,9 +14,12 @@
#define FCS_SHA384_WORD_SIZE 12U
#define FCS_RANDOM_BYTE_SIZE (FCS_RANDOM_WORD_SIZE * 4U)
+#define FCS_RANDOM_EXT_MAX_WORD_SIZE 1020U
#define FCS_PROV_DATA_BYTE_SIZE (FCS_PROV_DATA_WORD_SIZE * 4U)
#define FCS_SHA384_BYTE_SIZE (FCS_SHA384_WORD_SIZE * 4U)
+#define FCS_RANDOM_EXT_OFFSET 3
+
#define FCS_MODE_DECRYPT 0x0
#define FCS_MODE_ENCRYPT 0x1
#define FCS_ENCRYPTION_DATA_0 0x10100
@@ -55,7 +58,19 @@
#define FCS_CS_KEY_RESP_STATUS_MASK 0xFF
#define FCS_CS_KEY_RESP_STATUS_OFFSET 16U
+#define FCS_CS_FIELD_SIZE_MASK 0xFFFF
+#define FCS_CS_FIELD_FLAG_OFFSET 24
+#define FCS_CS_FIELD_FLAG_INIT BIT(0)
+#define FCS_CS_FIELD_FLAG_UPDATE BIT(1)
+#define FCS_CS_FIELD_FLAG_FINALIZE BIT(2)
+
/* FCS Payload Structure */
+typedef struct fcs_rng_payload_t {
+ uint32_t session_id;
+ uint32_t context_id;
+ uint32_t crypto_header;
+ uint32_t size;
+} fcs_rng_payload;
typedef struct fcs_encrypt_payload_t {
uint32_t first_word;
@@ -96,6 +111,8 @@
uint32_t intel_fcs_random_number_gen(uint64_t addr, uint64_t *ret_size,
uint32_t *mbox_error);
+int intel_fcs_random_number_gen_ext(uint32_t session_id, uint32_t context_id,
+ uint32_t size, uint32_t *send_id);
uint32_t intel_fcs_send_cert(uint64_t addr, uint64_t size,
uint32_t *send_id);
uint32_t intel_fcs_get_provision_data(uint32_t *send_id);