static void devlist(int argc, char *argv[]) { struct nvme_controller_data cdata; struct nvme_namespace_data nsdata; struct stat devstat; char name[64], path[64]; uint32_t i; int ch, ctrlr, exit_code, fd, found; exit_code = EX_OK; while ((ch = getopt(argc, argv, "")) != -1) { switch ((char)ch) { default: usage(); } } ctrlr = -1; found = 0; while (1) { ctrlr++; sprintf(name, "nvme%d", ctrlr); sprintf(path, "/dev/%s", name); if (stat(path, &devstat) != 0) break; found++; fd = open(path, O_RDWR); if (fd < 0) { printf("Could not open %s. errno=%d (%s)\n", path, errno, strerror(errno)); exit_code = EX_NOPERM; continue; } read_controller_data(fd, &cdata); printf("%6s: %s\n", name, cdata.mn); for (i = 0; i < cdata.nn; i++) { sprintf(name, "nvme%dns%d", ctrlr, i+1); read_namespace_data(fd, i+1, &nsdata); printf(" %10s (%lldGB)\n", name, nsdata.nsze * (long long)ns_get_sector_size(&nsdata) / 1024 / 1024 / 1024); } } if (found == 0) printf("No NVMe controllers found.\n"); exit(exit_code); }
void devlist(int argc, char *argv[]) { struct nvm_identify_controller cdata; struct nvm_identify_namespace nsdata; char name[64]; uint8_t mn[64]; uint32_t i; int ch, ctrlr, fd, found, ret; while ((ch = getopt(argc, argv, "")) != -1) { switch (ch) { default: devlist_usage(); } } ctrlr = -1; found = 0; while (1) { ctrlr++; sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr); ret = open_dev(name, &fd, 0, 0); if (ret != 0) { if (ret == EACCES) { warnx("could not open "_PATH_DEV"%s\n", name); continue; } else break; } found++; read_controller_data(fd, &cdata); nvme_strvis(mn, sizeof(mn), cdata.mn, sizeof(cdata.mn)); printf("%6s: %s\n", name, mn); for (i = 0; i < cdata.nn; i++) { sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, NVME_NS_PREFIX, i+1); read_namespace_data(fd, i+1, &nsdata); printf(" %10s (%lldMB)\n", name, nsdata.nsze * (long long)ns_get_sector_size(&nsdata) / 1024 / 1024); } close(fd); } if (found == 0) printf("No NVMe controllers found.\n"); exit(1); }