From 2dc6d97e1edd50634fa9f3dba4746d77cb1b9328 Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Tue, 15 May 2018 11:57:13 +0200 Subject: tpm: add TPM2_SelfTest command support Add support for the TPM2_Selftest command. Change the command file and the help accordingly. Signed-off-by: Miquel Raynal Reviewed-by: Simon Glass Reviewed-by: Tom Rini --- cmd/tpm-v2.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'cmd') diff --git a/cmd/tpm-v2.c b/cmd/tpm-v2.c index 8589dae..885bb05 100644 --- a/cmd/tpm-v2.c +++ b/cmd/tpm-v2.c @@ -31,10 +31,31 @@ static int do_tpm2_startup(cmd_tbl_t *cmdtp, int flag, int argc, return report_return_code(tpm2_startup(mode)); } +static int do_tpm2_self_test(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + enum tpm2_yes_no full_test; + + if (argc != 2) + return CMD_RET_USAGE; + + if (!strcasecmp("full", argv[1])) { + full_test = TPMI_YES; + } else if (!strcasecmp("continue", argv[1])) { + full_test = TPMI_NO; + } else { + printf("Couldn't recognize test mode: %s\n", argv[1]); + return CMD_RET_FAILURE; + } + + return report_return_code(tpm2_self_test(full_test)); +} + static cmd_tbl_t tpm2_commands[] = { U_BOOT_CMD_MKENT(info, 0, 1, do_tpm_info, "", ""), U_BOOT_CMD_MKENT(init, 0, 1, do_tpm_init, "", ""), U_BOOT_CMD_MKENT(startup, 0, 1, do_tpm2_startup, "", ""), + U_BOOT_CMD_MKENT(self_test, 0, 1, do_tpm2_self_test, "", ""), }; cmd_tbl_t *get_tpm_commands(unsigned int *size) @@ -56,4 +77,9 @@ U_BOOT_CMD(tpm, CONFIG_SYS_MAXARGS, 1, do_tpm, "Issue a TPMv2.x command", " is one of:\n" " * TPM2_SU_CLEAR (reset state)\n" " * TPM2_SU_STATE (preserved state)\n" +"self_test \n" +" Test the TPM capabilities.\n" +" is one of:\n" +" * full (perform all tests)\n" +" * continue (only check untested tests)\n" ); -- cgit v1.1