tpm2: make PcrIndex an anonymous enum

It just gives names for things generally just handled as numeric
indexes, hence drop the type name, and make the enum anonymous. Nothing
is using the type name anyway.

diff --git a/src/shared/tpm2-util.h b/src/shared/tpm2-util.h
index 5fa64563796e8b28f938b440d68b53460c6f782c..953e936c75f38b166feca24c68e70b6782fb9ad4 100644 (file)
--- a/src/shared/tpm2-util.h
+++ b/src/shared/tpm2-util.h
@@ -181,17 +181,19 @@ typedef enum Tpm2Support {
         TPM2_SUPPORT_FULL      = TPM2_SUPPORT_FIRMWARE|TPM2_SUPPORT_DRIVER|TPM2_SUPPORT_SYSTEM|TPM2_SUPPORT_SUBSYSTEM,
 } Tpm2Support;
 
-typedef enum PcrIndex {
-/* The following names for PCRs 0…7 are based on the names in the "TCG PC Client Specific Platform Firmware Profile Specification" (https://trustedcomputinggroup.org/resource/pc-client-specific-platform-firmware-profile-specification/) */
-   PCR_PLATFORM_CODE       = 0,
+enum {
+        /* The following names for PCRs 0…7 are based on the names in the "TCG PC Client Specific Platform
+         * Firmware Profile Specification"
+         * (https://trustedcomputinggroup.org/resource/pc-client-specific-platform-firmware-profile-specification/) */
+        PCR_PLATFORM_CODE       = 0,
         PCR_PLATFORM_CONFIG     = 1,
         PCR_EXTERNAL_CODE       = 2,
         PCR_EXTERNAL_CONFIG     = 3,
         PCR_BOOT_LOADER_CODE    = 4,
         PCR_BOOT_LOADER_CONFIG  = 5,
         PCR_SECURE_BOOT_POLICY  = 7,
-/* The following names for PCRs 9…15 are based on the "Linux TPM PCR Registry"
-(https://uapi-group.org/specifications/specs/linux_tpm_pcr_registry/) */
+        /* The following names for PCRs 9…15 are based on the "Linux TPM PCR Registry"
+        (https://uapi-group.org/specifications/specs/linux_tpm_pcr_registry/) */
         PCR_KERNEL_INITRD       = 9,
         PCR_IMA                 = 10,
         PCR_KERNEL_BOOT         = 11,
@@ -199,12 +201,12 @@ typedef enum PcrIndex {
         PCR_SYSEXTS             = 13,
         PCR_SHIM_POLICY         = 14,
         PCR_SYSTEM_IDENTITY     = 15,
-/* As per "TCG PC Client Specific Platform Firmware Profile Specification" again, see above */
+        /* As per "TCG PC Client Specific Platform Firmware Profile Specification" again, see above */
         PCR_DEBUG               = 16,
         PCR_APPLICATION_SUPPORT = 23,
         _PCR_INDEX_MAX_DEFINED  = TPM2_PCRS_MAX,
         _PCR_INDEX_INVALID      = -EINVAL,
-} PcrIndex;
+};
 
 Tpm2Support tpm2_support(void);