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author | David E. Box <david.e.box@linux.intel.com> | 2022-11-18 16:23:41 -0800 |
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committer | Hans de Goede <hdegoede@redhat.com> | 2022-11-21 10:55:59 +0100 |
commit | a8041a89b7a4ae13db28f02402996a0c6edffe25 (patch) | |
tree | 59cc06b7e78f94e026d2c378593b0fdc7268e273 /tools/arch | |
parent | 334599bccbf2ad638498e4576e29db77ebf09f04 (diff) | |
download | lwn-a8041a89b7a4ae13db28f02402996a0c6edffe25.tar.gz lwn-a8041a89b7a4ae13db28f02402996a0c6edffe25.zip |
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>
Diffstat (limited to 'tools/arch')
-rw-r--r-- | tools/arch/x86/intel_sdsi/intel_sdsi.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/tools/arch/x86/intel_sdsi/intel_sdsi.c b/tools/arch/x86/intel_sdsi/intel_sdsi.c index 3718bd0c05cb..01b5f9994e11 100644 --- a/tools/arch/x86/intel_sdsi/intel_sdsi.c +++ b/tools/arch/x86/intel_sdsi/intel_sdsi.c @@ -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; |