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firmware: stratix10-svc: change get provision data to async SMC call

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Change INTEL_SIP_SMC_FCS_GET_PROVISION_DATA's SMC call to async from sync
to avoid long runtime which may cause the watchdog timeout issue.

Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
This commit is contained in:
Siew Chin Lim 2021-09-06 09:46:21 +08:00 committed by Dinh Nguyen
parent 3f7fd751d8
commit 4b0a320163
2 changed files with 6 additions and 10 deletions
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4
drivers/firmware/stratix10-svc.c
View File

@ -463,6 +463,7 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data,
case COMMAND_FCS_SEND_CERTIFICATE:
case COMMAND_FCS_DATA_ENCRYPTION:
case COMMAND_FCS_DATA_DECRYPTION:
case COMMAND_FCS_GET_PROVISION_DATA:
cb_data->status = BIT(SVC_STATUS_OK);
break;
case COMMAND_RECONFIG_DATA_SUBMIT:
@ -491,7 +492,6 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data,
cb_data->kaddr2 = &res.a2;
break;
case COMMAND_FCS_RANDOM_NUMBER_GEN:
case COMMAND_FCS_GET_PROVISION_DATA:
case COMMAND_POLL_SERVICE_STATUS:
cb_data->status = BIT(SVC_STATUS_OK);
cb_data->kaddr1 = &res.a1;
@ -674,7 +674,7 @@ static int svc_normal_to_secure_thread(void *data)
break;
case COMMAND_FCS_GET_PROVISION_DATA:
a0 = INTEL_SIP_SMC_FCS_GET_PROVISION_DATA;
a1 = (unsigned long)pdata->paddr;
a1 = 0;
a2 = 0;
break;
/* for HWMON */

12
include/linux/firmware/intel/stratix10-smc.h
View File

@ -605,25 +605,21 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE)
/**
* Request INTEL_SIP_SMC_FCS_GET_PROVISION_DATA
* Sync call to dump all the fuses and key hashes
* Async call to dump all the fuses and key hashes
*
* Call register usage:
* a0 INTEL_SIP_SMC_FCS_GET_PROVISION_DATA
* a1 the physical address for firmware to write structure of fuse and
* key hashes
* a2-a7 not used
* a1-a7 not used
*
* Return status:
* a0 INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_FCS_ERROR or
* INTEL_SIP_SMC_FCS_REJECTED
* a1 mailbox error
* a2 physical address for the structure of fuse and key hashes
* a3 the size of structure
* a1-a3 not used
*
*/
#define INTEL_SIP_SMC_FUNCID_FCS_GET_PROVISION_DATA 94
#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA \
INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_GET_PROVISION_DATA)
INTEL_SIP_SMC_STD_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_GET_PROVISION_DATA)
/**
* Request INTEL_SIP_SMC_HWMON_READTEMP