From 20ee1fabc83507d6fb5786441b22b8c4a0bfdfb9 Mon Sep 17 00:00:00 2001 From: Brian Granaghan Date: Wed, 5 Apr 2023 20:20:43 +0000 Subject: gsctool: Add command to get or set factory config. Add '--factory_config' command to get the factory config if optarg is not provided and set it if one is provided. BUG=b:275356839 TEST=localhost ~ # gsctool -a --factory_config EEDDCCBBAA998877 Failed because already set: localhost ~ # gsctool -a --factory_config 001122334455667788 Factory config failed. (7) Successful set: localhost ~ # gsctool -a --factory_config 0 localhost ~ # gsctool -a --factory_config 001122334455667788 localhost ~ # gsctool -a --factory_config 1122334455667788 Change-Id: I128e9871eb2aece3a9173c5a6e31c2ce5a4d3cd0 Signed-off-by: Brian Granaghan Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4404231 Commit-Queue: Mary Ruthven Reviewed-by: Mary Ruthven Tested-by: Mary Ruthven --- extra/usb_updater/gsctool.c | 62 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/extra/usb_updater/gsctool.c b/extra/usb_updater/gsctool.c index da668fec8a..95b977c695 100644 --- a/extra/usb_updater/gsctool.c +++ b/extra/usb_updater/gsctool.c @@ -524,6 +524,9 @@ static const struct option_container cmd_line_options[] = { "[enable] Get the current WP setting or enable WP"}, {{"clog", no_argument, NULL, 'x'}, "Retrieve contents of the most recent crash log."}, + {{"factory_config", optional_argument, NULL, 'y'}, + "[value]%Sets the factory config bits in INFO. value should be 64 " + "bit hex."}, {{"reboot", optional_argument, NULL, 'z'}, "Tell the GSC to reboot with an optional reset timeout parameter " "in milliseconds"}, @@ -3946,6 +3949,46 @@ static int get_console_logs(struct transfer_descriptor *td) return 0; } +static int process_get_factory_config(struct transfer_descriptor *td) +{ + uint32_t rv; + uint64_t response = 0; + size_t response_size = sizeof(response); + + rv = send_vendor_command(td, VENDOR_CC_GET_FACTORY_CONFIG, NULL, + 0, (uint8_t *) &response, &response_size); + if (rv != VENDOR_RC_SUCCESS) { + printf("Set factory config failed. (%X)\n", rv); + return 1; + } + + if (response_size < sizeof(uint64_t)) { + printf("Unexpected response size. (%zu)", response_size); + return 2; + } + + uint64_t out = be64toh(response); + + printf("%"PRIX64"\n", out); + return 0; +} + +static int process_set_factory_config(struct transfer_descriptor *td, + uint64_t val) +{ + uint64_t val_be = htobe64(val); + uint32_t rv; + + rv = send_vendor_command(td, VENDOR_CC_SET_FACTORY_CONFIG, &val_be, + sizeof(val_be), NULL, NULL); + if (rv != VENDOR_RC_SUCCESS) { + printf("Factory config failed. (%X)\n", rv); + return 1; + } + + return 0; +} + int main(int argc, char *argv[]) { @@ -4010,6 +4053,9 @@ int main(int argc, char *argv[]) size_t reboot_gsc_timeout = 0; int get_clog = 0; int get_console = 0; + int factory_config = 0; + int set_factory_config = 0; + uint64_t factory_config_arg = 0; /* * All options which result in setting a Boolean flag to True, along @@ -4243,6 +4289,13 @@ int main(int argc, char *argv[]) case 'x': get_clog = 1; break; + case 'y': + factory_config = 1; + if (optarg) { + set_factory_config = 1; + factory_config_arg = strtoull(optarg, NULL, 16); + } + break; case 'z': reboot_gsc = true; /* Set a 1ms default reboot time to avoid libusb errors @@ -4302,6 +4355,7 @@ int main(int argc, char *argv[]) !get_console && !get_flog && !get_endorsement_seed && + !factory_config && !factory_mode && !erase_ap_ro_hash && !password && @@ -4461,6 +4515,14 @@ int main(int argc, char *argv[]) if (get_console) exit(get_console_logs(&td)); + if (factory_config) { + if (set_factory_config) + exit(process_set_factory_config(&td, + factory_config_arg)); + else + exit(process_get_factory_config(&td)); + } + if (data || show_fw_ver) { setup_connection(&td); -- cgit v1.2.1