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commonlib: Add pKVM DRNG related timestamps

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Add 2 new timestamps for measuring the time to generate pKVM
deterministic random number generator seed in depthcharge.
First indicate when the generation has started and
a second when the setup is complete.

BUG=b:449097147
TEST=builds

Change-Id: I1bced5a331e4d10a1ec1c305b9b2a41d1e913579
Signed-off-by: Bartłomiej Grzesik <bgrzesik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89872
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
This commit is contained in:
Bartłomiej Grzesik 2025-11-03 11:01:54 +01:00 • committed by Jakub "Kuba" Czapiga
commit 75318743c3
1 changed files with 6 additions and 0 deletions
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6
src/commonlib/include/commonlib/timestamp_serialized.h
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@ -178,6 +178,9 @@ enum timestamp_id {
TS_PVMFW_GSC_NVRAM_DONE = 1111,
TS_PVMFW_SETUP_DONE = 1112,
TS_PKVM_DRNG_SEED_START = 1120,
TS_PKVM_DRNG_SEED_DONE = 1121,
/* 1200-1300: ChromeOS Hypervisor */
TS_CRHV_BOOT = 1200,
TS_CRHV_PLATFORM_INIT = 1201,
@ -379,6 +382,9 @@ static const struct timestamp_id_to_name {
TS_NAME_DEF(TS_PVMFW_GSC_NVRAM_DONE, 0, "finished fetching boot params from GSC"),
TS_NAME_DEF(TS_PVMFW_SETUP_DONE, 0, "finished pvmfw setup"),
TS_NAME_DEF(TS_PKVM_DRNG_SEED_START, 0, "started generating pKVM DRNG seed"),
TS_NAME_DEF(TS_PKVM_DRNG_SEED_DONE, 0, "finished generating pKVM DRNG seed"),
/* ChromeOS hypervisor */
TS_NAME_DEF(TS_CRHV_BOOT, 0, "hypervisor boot finished"),
TS_NAME_DEF(TS_CRHV_PLATFORM_INIT, 0, "hypervisor platform initialized"),