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Message-Id: <20230623032029.1755017-11-tien.sung.ang@intel.com>
Date: Fri, 23 Jun 2023 11:20:27 +0800
From: tien.sung.ang@...el.com
To: Dinh Nguyen <dinguyen@...nel.org>
Cc: linux-kernel@...r.kernel.org,
Ang Tien Sung <tien.sung.ang@...el.com>
Subject: [PATCH 10/12] firmware: stratix10-svc: SHA2 signature verification
From: Ang Tien Sung <tien.sung.ang@...el.com>
Supports digital signature verify request for SHA2. The whole blob
crypto process might be split into multiple commands or stages INIT,
UPDATE and FINALIZE.
Signed-off-by: Ang Tien Sung <tien.sung.ang@...el.com>
---
drivers/firmware/stratix10-svc.c | 34 +++++++++
include/linux/firmware/intel/stratix10-smc.h | 75 +++++++++++++++++++
.../firmware/intel/stratix10-svc-client.h | 7 ++
3 files changed, 116 insertions(+)
diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c
index 12f0137c450e..e56cc82fb531 100644
--- a/drivers/firmware/stratix10-svc.c
+++ b/drivers/firmware/stratix10-svc.c
@@ -337,6 +337,7 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data,
case COMMAND_FCS_CRYPTO_ECDSA_HASH_SIGNING_INIT:
case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_INIT:
case COMMAND_FCS_CRYPTO_ECDSA_HASH_VERIFY_INIT:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_INIT:
cb_data->status = BIT(SVC_STATUS_OK);
break;
case COMMAND_RECONFIG_DATA_SUBMIT:
@@ -382,6 +383,8 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data,
case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_UPDATE:
case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_FINALIZE:
case COMMAND_FCS_CRYPTO_ECDSA_HASH_VERIFY_FINALIZE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_UPDATE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_FINALIZE:
cb_data->status = BIT(SVC_STATUS_OK);
cb_data->kaddr2 = svc_pa_to_va(res.a2);
cb_data->kaddr3 = &res.a3;
@@ -724,6 +727,34 @@ 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_VERIFY_INIT:
+ a0 = INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_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_VERIFY_UPDATE:
+ a0 = INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_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;
+ a7 = pdata->arg[2];
+ break;
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_FINALIZE:
+ a0 = INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_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;
+ a7 = pdata->arg[2];
+ break;
/* for polling */
case COMMAND_POLL_SERVICE_STATUS:
a0 = INTEL_SIP_SMC_SERVICE_COMPLETED;
@@ -826,6 +857,9 @@ static int svc_normal_to_secure_thread(void *data)
case COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_FINALIZE:
case COMMAND_FCS_CRYPTO_ECDSA_HASH_VERIFY_INIT:
case COMMAND_FCS_CRYPTO_ECDSA_HASH_VERIFY_FINALIZE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_INIT:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_UPDATE:
+ case COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_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 3a03bcb638bb..0176d963f876 100644
--- a/include/linux/firmware/intel/stratix10-smc.h
+++ b/include/linux/firmware/intel/stratix10-smc.h
@@ -1128,4 +1128,79 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE)
#define INTEL_SIP_SMC_FUNCID_FCS_ECDSA_HASH_SIGNATURE_VERIFY_FINALIZE 133
#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGNATURE_VERIFY_FINALIZE \
INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_ECDSA_HASH_SIGNATURE_VERIFY_FINALIZE)
+
+/**
+ * Request INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_INIT
+ * Sync call to send digital signature verify request
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_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_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_INIT 134
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_INIT \
+ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_INIT)
+
+/**
+ * Request INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_UPDATE
+ * Sync call to send digital signature verify request
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_UPDATE
+ * a1 session ID
+ * a2 context ID
+ * a3 physical address of source (contain user data)
+ * a4 size of source
+ * a5 physical address of destination
+ * a6 size of destination
+ * a7 size of user data
+ *
+ * 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_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_UPDATE 135
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_UPDATE \
+INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_UPDATE)
+
+/**
+ * Request INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_FINALIZE
+ * Sync call to send digital signature verify request
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_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 size of user data
+ *
+ * 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_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_FINALIZE 136
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_FINALIZE \
+INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_ECDSA_SHA2_DATA_SIGNATURE_VERIFY_FINALIZE)
#endif
diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/linux/firmware/intel/stratix10-svc-client.h
index 59de7a27d825..db5ee0d1b9ab 100644
--- a/include/linux/firmware/intel/stratix10-svc-client.h
+++ b/include/linux/firmware/intel/stratix10-svc-client.h
@@ -180,6 +180,10 @@ struct stratix10_svc_chan;
* digital signature verify request with precalculated hash, return status is
* SVC_STATUS_OK or SVC_STATUS_ERROR
*
+ * @COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY (INIT, UPDATE and FINALIZE):
+ * send digital signature verify request,
+ * return status is SVC_STATUS_OK or SVC_STATUS_ERROR
+ *
*/
enum stratix10_svc_command_code {
/* for FPGA */
@@ -229,6 +233,9 @@ enum stratix10_svc_command_code {
COMMAND_FCS_CRYPTO_ECDSA_SHA2_DATA_SIGNING_FINALIZE,
COMMAND_FCS_CRYPTO_ECDSA_HASH_VERIFY_INIT,
COMMAND_FCS_CRYPTO_ECDSA_HASH_VERIFY_FINALIZE,
+ COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_INIT,
+ COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_UPDATE,
+ COMMAND_FCS_CRYPTO_ECDSA_SHA2_VERIFY_FINALIZE,
/* Non-mailbox SMC Call */
COMMAND_SMC_SVC_VERSION = 200,
};
--
2.25.1
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