[PATCH 08/12] firmware: stratix10-svc: ECDSA SHA2 data signing
From: tien . sung . ang
Date: Thu Jun 22 2023 - 23:22:40 EST
From: Ang Tien Sung <tien.sung.ang@xxxxxxxxx>
Support ECDSA SHA2 signing.
Signed-off-by: Ang Tien Sung <tien.sung.ang@xxxxxxxxx>
---
drivers/firmware/stratix10-svc.c | 32 ++++++++
include/linux/firmware/intel/stratix10-smc.h | 75 +++++++++++++++++++
.../firmware/intel/stratix10-svc-client.h | 7 ++
3 files changed, 114 insertions(+)
diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c
index 642478ce2855..ccb8f314b624 100644
--- a/drivers/firmware/stratix10-svc.c
+++ b/drivers/firmware/stratix10-svc.c
@@ -335,6 +335,7 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data,
case COMMAND_FCS_CRYPTO_GET_DIGEST_INIT:
case COMMAND_FCS_CRYPTO_MAC_VERIFY_INIT:
case COMMAND_FCS_CRYPTO_ECDSA_HASH_SIGNING_INIT:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_INIT:
cb_data->status = BIT(SVC_STATUS_OK);
break;
case COMMAND_RECONFIG_DATA_SUBMIT:
@@ -377,6 +378,8 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data,
case COMMAND_FCS_CRYPTO_MAC_VERIFY_UPDATE:
case COMMAND_FCS_CRYPTO_MAC_VERIFY_FINALIZE:
case COMMAND_FCS_CRYPTO_ECDSA_HASH_SIGNING_FINALIZE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_UPDATE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_FINALIZE:
cb_data->status = BIT(SVC_STATUS_OK);
cb_data->kaddr2 = svc_pa_to_va(res.a2);
cb_data->kaddr3 = &res.a3;
@@ -676,6 +679,32 @@ static int svc_normal_to_secure_thread(void *data)
a5 = (unsigned long)pdata->paddr_output;
a6 = (unsigned long)pdata->size_output;
break;
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_INIT:
+ a0 = INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_INIT;
+ a1 = pdata->arg[0];
+ a2 = pdata->arg[1];
+ a3 = pdata->arg[2];
+ a4 = pdata->arg[3];
+ a5 = pdata->arg[4];
+ break;
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_UPDATE:
+ a0 = INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_UPDATE;
+ a1 = pdata->arg[0];
+ a2 = pdata->arg[1];
+ a3 = (unsigned long)pdata->paddr;
+ a4 = (unsigned long)pdata->size;
+ a5 = (unsigned long)pdata->paddr_output;
+ a6 = (unsigned long)pdata->size_output;
+ break;
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_FINALIZE:
+ a0 = INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_FINALIZE;
+ a1 = pdata->arg[0];
+ a2 = pdata->arg[1];
+ a3 = (unsigned long)pdata->paddr;
+ a4 = (unsigned long)pdata->size;
+ a5 = (unsigned long)pdata->paddr_output;
+ a6 = (unsigned long)pdata->size_output;
+ break;
/* for polling */
case COMMAND_POLL_SERVICE_STATUS:
a0 = INTEL_SIP_SMC_SERVICE_COMPLETED;
@@ -773,6 +802,9 @@ static int svc_normal_to_secure_thread(void *data)
case COMMAND_FCS_CRYPTO_ECDSA_HASH_SIGNING_INIT:
case COMMAND_FCS_CRYPTO_ECDSA_HASH_SIGNING_FINALIZE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_INIT:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_UPDATE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_FINALIZE:
cbdata->status = BIT(SVC_STATUS_INVALID_PARAM);
cbdata->kaddr1 = NULL;
cbdata->kaddr2 = NULL;
diff --git a/include/linux/firmware/intel/stratix10-smc.h b/include/linux/firmware/intel/stratix10-smc.h
index 3283269daf45..3bd814916f3e 100644
--- a/include/linux/firmware/intel/stratix10-smc.h
+++ b/include/linux/firmware/intel/stratix10-smc.h
@@ -1005,4 +1005,79 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE)
#define INTEL_SIP_SMC_FUNCID_ECDSA_HASH_SIGNING_FINALIZE 127
#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGNING_FINALIZE \
INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_ECDSA_HASH_SIGNING_FINALIZE)
+
+/**
+ * Request INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_INIT
+ * Sync call to digital signature signing request on a data blob
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_INIT
+ * a1 session ID
+ * a2 context ID
+ * a3 key UID
+ * a4 size of crypto parameter data
+ * a5 crypto parameter data
+ * 3:0 ECC algorithm
+ * 63:4 not used
+ * a6-a7 not used
+ *
+ * Return status:
+ * a0 INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_STATUS_NOT_SUPPORTED or
+ * INTEL_SIP_SMC_STATUS_ERROR
+ * a1 mailbox errors if a0 is INTEL_SIP_SMC_STATUS_ERROR
+ * a2-a3 not used
+ */
+#define INTEL_SIP_SMC_FUNCID_ECDSA_SHA2_DATA_SIGNING_INIT 128
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_INIT \
+ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_ECDSA_SHA2_DATA_SIGNING_INIT)
+
+/**
+ * Request INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_UPDATE
+ * Sync call to digital signature signing request on a data blob
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_UPDATE
+ * a1 session ID
+ * a2 context ID
+ * a3 physical address of source
+ * a4 size of source
+ * a5 physical address of destination
+ * a6 size of destination
+ * a7 not used
+ *
+ * Return status:
+ * a0 INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_STATUS_NOT_SUPPORTED or
+ * INTEL_SIP_SMC_STATUS_ERROR
+ * a1 mailbox errors if a0 is INTEL_SIP_SMC_STATUS_ERROR
+ * a2 physical address of response data
+ * a3 size of response data
+ */
+#define INTEL_SIP_SMC_FUNCID_ECDSA_SHA2_DATA_SIGNING_UPDATE 129
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_UPDATE \
+ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_ECDSA_SHA2_DATA_SIGNING_UPDATE)
+
+/**
+ * Request INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_FINALIZE
+ * Sync call to digital signature signing request on a data blob
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_FINALIZE
+ * a1 session ID
+ * a2 context ID
+ * a3 physical address of source
+ * a4 size of source
+ * a5 physical address of destation
+ * a6 size of destation
+ * a7 not used
+ *
+ * Return status:
+ * a0 INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_STATUS_NOT_SUPPORTED or
+ * INTEL_SIP_SMC_STATUS_ERROR
+ * a1 mailbox errors if a0 is INTEL_SIP_SMC_STATUS_ERROR
+ * a2 physical address of response data
+ * a3 size of response data
+ */
+#define INTEL_SIP_SMC_FUNCID_ECDSA_SHA2_DATA_SIGNING_FINALIZE 130
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNING_FINALIZE \
+ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_ECDSA_SHA2_DATA_SIGNING_FINALIZE)
#endif
diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/linux/firmware/intel/stratix10-svc-client.h
index 9569a55fb3ab..875e6e13632e 100644
--- a/include/linux/firmware/intel/stratix10-svc-client.h
+++ b/include/linux/firmware/intel/stratix10-svc-client.h
@@ -172,6 +172,10 @@ struct stratix10_svc_chan;
* digital signature signing request on a data blob, return status is
* SVC_STATUS_OK or SVC_STATUS_ERROR
*
+ * @COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING (INIT, UPDATE and FINALIZE):
+ * send SHA2 digital signature signing request on a data blob,
+ * return status is SVC_STATUS_OK or SVC_STATUS_ERROR
+ *
*/
enum stratix10_svc_command_code {
/* for FPGA */
@@ -216,6 +220,9 @@ enum stratix10_svc_command_code {
COMMAND_FCS_CRYPTO_MAC_VERIFY_FINALIZE,
COMMAND_FCS_CRYPTO_ECDSA_HASH_SIGNING_INIT,
COMMAND_FCS_CRYPTO_ECDSA_HASH_SIGNING_FINALIZE,
+ COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_INIT,
+ COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_UPDATE,
+ COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_FINALIZE,
/* Non-mailbox SMC Call */
COMMAND_SMC_SVC_VERSION = 200,
};
--
2.25.1