1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
3 * Sample code to test firmware-management protocol
5 * Copyright(c) 2016 Google Inc. All rights reserved.
6 * Copyright(c) 2016 Linaro Ltd. All rights reserved.
13 #include <sys/ioctl.h>
17 #include "../../greybus_firmware.h"
19 #define FW_DEV_DEFAULT "/dev/gb-fw-mgmt-0"
20 #define FW_TAG_INT_DEFAULT "s3f"
21 #define FW_TAG_BCND_DEFAULT "bf_01"
22 #define FW_UPDATE_TYPE_DEFAULT 0
23 #define FW_TIMEOUT_DEFAULT 10000
25 static const char *firmware_tag;
26 static const char *fwdev = FW_DEV_DEFAULT;
27 static unsigned int fw_update_type = FW_UPDATE_TYPE_DEFAULT;
28 static unsigned int fw_timeout = FW_TIMEOUT_DEFAULT;
30 static struct fw_mgmt_ioc_get_intf_version intf_fw_info;
31 static struct fw_mgmt_ioc_get_backend_version backend_fw_info;
32 static struct fw_mgmt_ioc_intf_load_and_validate intf_load;
33 static struct fw_mgmt_ioc_backend_fw_update backend_update;
35 static void usage(void)
37 printf("\nUsage: ./firmware <gb-fw-mgmt-X (default: gb-fw-mgmt-0)> <interface: 0, backend: 1 (default: 0)> <firmware-tag> (default: \"s3f\"/\"bf_01\") <timeout (default: 10000 ms)>\n");
40 static int update_intf_firmware(int fd)
44 /* Get Interface Firmware Version */
45 printf("Get Interface Firmware Version\n");
47 ret = ioctl(fd, FW_MGMT_IOC_GET_INTF_FW, &intf_fw_info);
49 printf("Failed to get interface firmware version: %s (%d)\n",
54 printf("Interface Firmware tag (%s), major (%d), minor (%d)\n",
55 intf_fw_info.firmware_tag, intf_fw_info.major,
58 /* Try Interface Firmware load over Unipro */
59 printf("Loading Interface Firmware\n");
61 intf_load.load_method = GB_FW_U_LOAD_METHOD_UNIPRO;
66 strncpy((char *)&intf_load.firmware_tag, firmware_tag,
67 GB_FIRMWARE_U_TAG_MAX_SIZE);
69 ret = ioctl(fd, FW_MGMT_IOC_INTF_LOAD_AND_VALIDATE, &intf_load);
71 printf("Failed to load interface firmware: %s (%d)\n", fwdev,
76 if (intf_load.status != GB_FW_U_LOAD_STATUS_VALIDATED &&
77 intf_load.status != GB_FW_U_LOAD_STATUS_UNVALIDATED) {
78 printf("Load status says loading failed: %d\n",
83 printf("Interface Firmware (%s) Load done: major: %d, minor: %d, status: %d\n",
84 firmware_tag, intf_load.major, intf_load.minor,
87 /* Initiate Mode-switch to the newly loaded firmware */
88 printf("Initiate Mode switch\n");
90 ret = ioctl(fd, FW_MGMT_IOC_MODE_SWITCH);
92 printf("Failed to initiate mode-switch (%d)\n", ret);
97 static int update_backend_firmware(int fd)
101 /* Get Backend Firmware Version */
102 printf("Getting Backend Firmware Version\n");
104 strncpy((char *)&backend_fw_info.firmware_tag, firmware_tag,
105 GB_FIRMWARE_U_TAG_MAX_SIZE);
108 ret = ioctl(fd, FW_MGMT_IOC_GET_BACKEND_FW, &backend_fw_info);
110 printf("Failed to get backend firmware version: %s (%d)\n",
115 printf("Backend Firmware tag (%s), major (%d), minor (%d), status (%d)\n",
116 backend_fw_info.firmware_tag, backend_fw_info.major,
117 backend_fw_info.minor, backend_fw_info.status);
119 if (backend_fw_info.status == GB_FW_U_BACKEND_VERSION_STATUS_RETRY)
120 goto retry_fw_version;
122 if ((backend_fw_info.status != GB_FW_U_BACKEND_VERSION_STATUS_SUCCESS)
123 && (backend_fw_info.status != GB_FW_U_BACKEND_VERSION_STATUS_NOT_AVAILABLE)) {
124 printf("Failed to get backend firmware version: %s (%d)\n",
125 fwdev, backend_fw_info.status);
129 /* Try Backend Firmware Update over Unipro */
130 printf("Updating Backend Firmware\n");
132 strncpy((char *)&backend_update.firmware_tag, firmware_tag,
133 GB_FIRMWARE_U_TAG_MAX_SIZE);
136 backend_update.status = 0;
138 ret = ioctl(fd, FW_MGMT_IOC_INTF_BACKEND_FW_UPDATE, &backend_update);
140 printf("Failed to load backend firmware: %s (%d)\n", fwdev, ret);
144 if (backend_update.status == GB_FW_U_BACKEND_FW_STATUS_RETRY) {
145 printf("Retrying firmware update: %d\n", backend_update.status);
146 goto retry_fw_update;
149 if (backend_update.status != GB_FW_U_BACKEND_FW_STATUS_SUCCESS) {
150 printf("Load status says loading failed: %d\n",
151 backend_update.status);
153 printf("Backend Firmware (%s) Load done: status: %d\n",
154 firmware_tag, backend_update.status);
160 int main(int argc, char *argv[])
166 (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) {
175 fw_update_type = strtoul(argv[2], &endptr, 10);
178 firmware_tag = argv[3];
179 else if (!fw_update_type)
180 firmware_tag = FW_TAG_INT_DEFAULT;
182 firmware_tag = FW_TAG_BCND_DEFAULT;
185 fw_timeout = strtoul(argv[4], &endptr, 10);
187 printf("Trying Firmware update: fwdev: %s, type: %s, tag: %s, timeout: %u\n",
188 fwdev, fw_update_type == 0 ? "interface" : "backend",
189 firmware_tag, fw_timeout);
191 printf("Opening %s firmware management device\n", fwdev);
193 fd = open(fwdev, O_RDWR);
195 printf("Failed to open: %s\n", fwdev);
200 printf("Setting timeout to %u ms\n", fw_timeout);
202 ret = ioctl(fd, FW_MGMT_IOC_SET_TIMEOUT_MS, &fw_timeout);
204 printf("Failed to set timeout: %s (%d)\n", fwdev, ret);
210 ret = update_intf_firmware(fd);
212 ret = update_backend_firmware(fd);