| 188 | } |
| 189 | |
| 190 | static int |
| 191 | read_device_int(struct rte_dsa_device *dev, const char *filename, |
| 192 | int *value) |
| 193 | { |
| 194 | char sysfs_node[PATH_MAX]; |
| 195 | FILE *f; |
| 196 | int ret = 0; |
| 197 | |
| 198 | snprintf(sysfs_node, sizeof(sysfs_node), "%s/dsa%d/%s", |
| 199 | dsa_get_sysfs_path(), dev->addr.device_id, filename); |
| 200 | f = fopen(sysfs_node, "r"); |
| 201 | if (f == NULL) { |
| 202 | IDXD_PMD_ERR("%s(): opening file '%s' failed: %s", |
| 203 | __func__, sysfs_node, strerror(errno)); |
| 204 | return -1; |
| 205 | } |
| 206 | |
| 207 | if (fscanf(f, "%d", value) != 1) { |
| 208 | IDXD_PMD_ERR("%s(): error reading file '%s': %s", |
| 209 | __func__, sysfs_node, strerror(errno)); |
| 210 | ret = -1; |
| 211 | } |
| 212 | |
| 213 | fclose(f); |
| 214 | return ret; |
| 215 | } |
| 216 | |
| 217 | static int |
| 218 | idxd_probe_dsa(struct rte_dsa_device *dev) |
no test coverage detected