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authorDavid E. Box <david.e.box@linux.intel.com>2022-11-18 16:23:41 -0800
committerHans de Goede <hdegoede@redhat.com>2022-11-21 10:55:59 +0100
commita8041a89b7a4ae13db28f02402996a0c6edffe25 (patch)
tree59cc06b7e78f94e026d2c378593b0fdc7268e273 /tools/arch
parent334599bccbf2ad638498e4576e29db77ebf09f04 (diff)
downloadlinux-a8041a89b7a4ae13db28f02402996a0c6edffe25.tar.bz2
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.c50
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;