diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/ectool.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/util/ectool.c b/util/ectool.c index 6ca7cfcf8f..d73dd770ee 100644 --- a/util/ectool.c +++ b/util/ectool.c @@ -142,6 +142,8 @@ const char help_str[] = " Writes to EC flash from a file\n" " forcelidopen <enable>\n" " Forces the lid switch to open position\n" + " fpcontext\n" + " Sets the fingerprint sensor context\n" " fpencstatus\n" " Prints status of Fingerprint sensor encryption engine\n" " fpframe\n" @@ -1726,6 +1728,58 @@ static void print_fp_enc_flags(const char *desc, uint32_t flags) printf("\n"); } +static int cmd_fp_context(int argc, char *argv[]) +{ + struct ec_params_fp_context_v1 p; + int rv; + int tries = 20; /* Wait at most two seconds */ + + if (argc < 2) { + fprintf(stderr, "Usage: %s <context>\n", argv[0]); + return -1; + } + + /* + * Note that we treat the resulting "userid" as raw byte array, so we + * don't want to copy the NUL from the end of the string. + */ + if (strlen(argv[1]) != sizeof(p.userid)) { + fprintf(stderr, "Context must be exactly %zu bytes\n", + sizeof(p.userid)); + return -1; + } + + p.action = FP_CONTEXT_ASYNC; + memcpy(p.userid, argv[1], sizeof(p.userid)); + + rv = ec_command(EC_CMD_FP_CONTEXT, 1, &p, sizeof(p), NULL, 0); + + if (rv != EC_RES_SUCCESS) + goto out; + + while (tries--) { + usleep(100000); + + p.action = FP_CONTEXT_GET_RESULT; + rv = ec_command(EC_CMD_FP_CONTEXT, 1, &p, sizeof(p), NULL, 0); + + if (rv == EC_RES_SUCCESS) { + printf("Set context successfully\n"); + return EC_RES_SUCCESS; + } + + /* Abort if EC returns an error other than EC_RES_BUSY. */ + if (rv <= -EECRESULT && rv != -EECRESULT - EC_RES_BUSY) + goto out; + } + + rv = -EECRESULT - EC_RES_TIMEOUT; + +out: + fprintf(stderr, "Failed to reset context: %d\n", rv); + return rv; +} + int cmd_fp_enc_status(int argc, char *argv[]) { int rv; @@ -9008,6 +9062,7 @@ const struct command commands[] = { {"flashspiinfo", cmd_flash_spi_info}, {"flashpd", cmd_flash_pd}, {"forcelidopen", cmd_force_lid_open}, + {"fpcontext", cmd_fp_context}, {"fpencstatus", cmd_fp_enc_status}, {"fpframe", cmd_fp_frame}, {"fpinfo", cmd_fp_info}, |