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tools/arch/x86: intel_sdsi: Read more On Demand registers 

Add decoding of the following On Demand register fields:

1. NVRAM content authorization error status
2. Enabled features: telemetry and attestation
3. Key provisioning status
4. NVRAM update limit
5. PCU_CR3_CAPID_CFG

Link: https://github.com/intel/intel-sdsi/blob/master/state-certificate-encoding.rst
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20221119002343.1281885-8-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
David E. Box 2022-11-18 16:23:41 -08:00 committed by Hans de Goede
parent 334599bccb
commit a8041a89b7
1 changed files with 45 additions and 5 deletions
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50
tools/arch/x86/intel_sdsi/intel_sdsi.c
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@ -44,10 +44,28 @@
#define __round_mask(x, y) ((__typeof__(x))((y) - 1))
#define round_up(x, y) ((((x) - 1) | __round_mask(x, y)) + 1)
struct nvram_content_auth_err_sts {
uint64_t reserved:3;
uint64_t sdsi_content_auth_err:1;
uint64_t reserved1:1;
uint64_t sdsi_metering_auth_err:1;
uint64_t reserved2:58;
};
struct enabled_features {
uint64_t reserved:3;
uint64_t sdsi:1;
uint64_t reserved1:60;
uint64_t reserved1:8;
uint64_t attestation:1;
uint64_t reserved2:13;
uint64_t metering:1;
uint64_t reserved3:37;
};
struct key_provision_status {
uint64_t reserved:1;
uint64_t license_key_provisioned:1;
uint64_t reserved2:62;
};
struct auth_fail_count {
@ -65,15 +83,23 @@ struct availability {
uint64_t reserved2:10;
};
struct nvram_update_limit {
uint64_t reserved:12;
uint64_t sdsi_50_pct:1;
uint64_t sdsi_75_pct:1;
uint64_t sdsi_90_pct:1;
uint64_t reserved2:49;
};
struct sdsi_regs {
uint64_t ppin;
uint64_t reserved;
struct nvram_content_auth_err_sts auth_err_sts;
struct enabled_features en_features;
uint64_t reserved1;
struct key_provision_status key_prov_sts;
struct auth_fail_count auth_fail_count;
struct availability prov_avail;
uint64_t reserved2;
uint64_t reserved3;
struct nvram_update_limit limits;
uint64_t pcu_cr3_capid_cfg;
uint64_t socket_id;
};
@ -205,8 +231,18 @@ static int sdsi_read_reg(struct sdsi_dev *s)
printf("Socket information for device %s\n", s->dev_name);
printf("\n");
printf("PPIN: 0x%lx\n", s->regs.ppin);
printf("NVRAM Content Authorization Error Status\n");
printf(" SDSi Auth Err Sts: %s\n", !!s->regs.auth_err_sts.sdsi_content_auth_err ? "Error" : "Okay");
if (!!s->regs.en_features.metering)
printf(" Metering Auth Err Sts: %s\n", !!s->regs.auth_err_sts.sdsi_metering_auth_err ? "Error" : "Okay");
printf("Enabled Features\n");
printf(" On Demand: %s\n", !!s->regs.en_features.sdsi ? "Enabled" : "Disabled");
printf(" Attestation: %s\n", !!s->regs.en_features.attestation ? "Enabled" : "Disabled");
printf(" On Demand: %s\n", !!s->regs.en_features.sdsi ? "Enabled" : "Disabled");
printf(" Metering: %s\n", !!s->regs.en_features.metering ? "Enabled" : "Disabled");
printf("License Key (AKC) Provisioned: %s\n", !!s->regs.key_prov_sts.license_key_provisioned ? "Yes" : "No");
printf("Authorization Failure Count\n");
printf(" AKC Failure Count: %d\n", s->regs.auth_fail_count.key_failure_count);
printf(" AKC Failure Threshold: %d\n", s->regs.auth_fail_count.key_failure_threshold);
@ -215,6 +251,10 @@ static int sdsi_read_reg(struct sdsi_dev *s)
printf("Provisioning Availability\n");
printf(" Updates Available: %d\n", s->regs.prov_avail.available);
printf(" Updates Threshold: %d\n", s->regs.prov_avail.threshold);
printf("NVRAM Udate Limit\n");
printf(" 50%% Limit Reached: %s\n", !!s->regs.limits.sdsi_50_pct ? "Yes" : "No");
printf(" 75%% Limit Reached: %s\n", !!s->regs.limits.sdsi_75_pct ? "Yes" : "No");
printf(" 90%% Limit Reached: %s\n", !!s->regs.limits.sdsi_90_pct ? "Yes" : "No");
printf("Socket ID: %ld\n", s->regs.socket_id & 0xF);
return 0;