#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#ifndef __packed
#define __packed __attribute__((packed))
#endif
#define min(x, y) ({ \
typeof(x) _min1 = (x); \
typeof(y) _min2 = (y); \
(void) (&_min1 == &_min2); \
_min1 < _min2 ? _min1 : _min2; })
#define SDSI_DEV "intel_vsec.sdsi"
#define AUX_DEV_PATH "/sys/bus/auxiliary/devices/"
#define SDSI_PATH (AUX_DEV_DIR SDSI_DEV)
#define GUID_V1 0x6dd191
#define REGS_SIZE_GUID_V1 72
#define GUID_V2 0xF210D9EF
#define REGS_SIZE_GUID_V2 80
#define STATE_CERT_MAX_SIZE 4096
#define METER_CERT_MAX_SIZE 4096
#define STATE_MAX_NUM_LICENSES 16
#define STATE_MAX_NUM_IN_BUNDLE (uint32_t)8
#define FEAT_LEN 5
#define __round_mask(x, y) ((__typeof__(x))((y) - 1))
#define round_up(x, y) ((((x) - 1) | __round_mask(x, y)) + 1)
struct nvram_content_auth_err_sts {
uint64_t reserved:3;
uint64_t sdsi_content_auth_err:1;
uint64_t reserved1:1;
uint64_t sdsi_metering_auth_err:1;
uint64_t reserved2:58;
};
struct enabled_features {
uint64_t reserved:3;
uint64_t sdsi:1;
uint64_t reserved1:8;
uint64_t attestation:1;
uint64_t reserved2:13;
uint64_t metering:1;
uint64_t reserved3:37;
};
struct key_provision_status {
uint64_t reserved:1;
uint64_t license_key_provisioned:1;
uint64_t reserved2:62;
};
struct auth_fail_count {
uint64_t key_failure_count:3;
uint64_t key_failure_threshold:3;
uint64_t auth_failure_count:3;
uint64_t auth_failure_threshold:3;
uint64_t reserved:52;
};
struct availability {
uint64_t reserved:48;
uint64_t available:3;
uint64_t threshold:3;
uint64_t reserved2:10;
};
struct nvram_update_limit {
uint64_t reserved:12;
uint64_t sdsi_50_pct:1;
uint64_t sdsi_75_pct:1;
uint64_t sdsi_90_pct:1;
uint64_t reserved2:49;
};
struct sdsi_regs {
uint64_t ppin;
struct nvram_content_auth_err_sts auth_err_sts;
struct enabled_features en_features;
struct key_provision_status key_prov_sts;
struct auth_fail_count auth_fail_count;
struct availability prov_avail;
struct nvram_update_limit limits;
uint64_t pcu_cr3_capid_cfg;
union {
struct {
uint64_t socket_id;
} v1;
struct {
uint64_t reserved;
uint64_t socket_id;
uint64_t reserved2;
} v2;
} extra;
};
#define CONTENT_TYPE_LK_ENC 0xD
#define CONTENT_TYPE_LK_BLOB_ENC 0xE
struct state_certificate {
uint32_t content_type;
uint32_t region_rev_id;
uint32_t header_size;
uint32_t total_size;
uint32_t key_size;
uint32_t num_licenses;
};
struct license_key_info {
uint32_t key_rev_id;
uint64_t key_image_content[6];
} __packed;
#define LICENSE_BLOB_SIZE(l) (((l) & 0x7fffffff) * 4)
#define LICENSE_VALID(l) (!!((l) & 0x80000000))
#define LBT_ONE_TIME_UPGRADE 1
#define LBT_METERED_UPGRADE 2
struct license_blob_content {
uint32_t type;
uint64_t id;
uint64_t ppin;
uint64_t previous_ppin;
uint32_t rev_id;
uint32_t num_bundles;
} __packed;
struct bundle_encoding {
uint32_t encoding;
uint32_t encoding_rsvd[7];
};
struct meter_certificate {
uint32_t signature;
uint32_t version;
uint64_t ppin;
uint32_t counter_unit;
uint32_t bundle_length;
uint64_t reserved;
uint32_t mmrc_encoding;
uint32_t mmrc_counter;
};
struct bundle_encoding_counter {
uint32_t encoding;
uint32_t counter;
};
#define METER_BUNDLE_SIZE sizeof(struct bundle_encoding_counter)
#define BUNDLE_COUNT(length) ((length) / METER_BUNDLE_SIZE)
#define METER_MAX_NUM_BUNDLES \
((METER_CERT_MAX_SIZE - sizeof(struct meter_certificate)) / \
sizeof(struct bundle_encoding_counter))
struct sdsi_dev {
struct sdsi_regs regs;
struct state_certificate sc;
char *dev_name;
char *dev_path;
uint32_t guid;
};
enum command {
CMD_SOCKET_INFO,
CMD_METER_CERT,
CMD_METER_CURRENT_CERT,
CMD_STATE_CERT,
CMD_PROV_AKC,
CMD_PROV_CAP,
};
static void sdsi_list_devices(void)
{
struct dirent *entry;
DIR *aux_dir;
bool found = false;
aux_dir = opendir(AUX_DEV_PATH);
if (!aux_dir) {
fprintf(stderr, "Cannot open directory %s\n", AUX_DEV_PATH);
return;
}
while ((entry = readdir(aux_dir))) {
if (!strncmp(SDSI_DEV, entry->d_name, strlen(SDSI_DEV))) {
found = true;
printf("%s\n", entry->d_name);
}
}
if (!found)
fprintf(stderr, "No On Demand devices found.\n");
}
static int sdsi_update_registers(struct sdsi_dev *s)
{
FILE *regs_ptr;
int ret;
memset(&s->regs, 0, sizeof(s->regs));
ret = chdir(s->dev_path);
if (ret == -1) {
perror("chdir");
return ret;
}
regs_ptr = fopen("registers", "r");
if (!regs_ptr) {
perror("Could not open 'registers' file");
return -1;
}
if (s->guid != GUID_V1 && s->guid != GUID_V2) {
fprintf(stderr, "Unrecognized guid, 0x%x\n", s->guid);
fclose(regs_ptr);
return -1;
}
ret = fread(&s->regs, sizeof(uint8_t), sizeof(s->regs), regs_ptr);
if ((s->guid == GUID_V1 && ret != REGS_SIZE_GUID_V1) ||
(s->guid == GUID_V2 && ret != REGS_SIZE_GUID_V2)) {
fprintf(stderr, "Could not read 'registers' file\n");
fclose(regs_ptr);
return -1;
}
fclose(regs_ptr);
return 0;
}
static int sdsi_read_reg(struct sdsi_dev *s)
{
int ret;
ret = sdsi_update_registers(s);
if (ret)
return ret;
printf("\n");
printf("Socket information for device %s\n", s->dev_name);
printf("\n");
printf("PPIN: 0x%lx\n", s->regs.ppin);
printf("NVRAM Content Authorization Error Status\n");
printf(" SDSi Auth Err Sts: %s\n", !!s->regs.auth_err_sts.sdsi_content_auth_err ? "Error" : "Okay");
if (!!s->regs.en_features.metering)
printf(" Metering Auth Err Sts: %s\n", !!s->regs.auth_err_sts.sdsi_metering_auth_err ? "Error" : "Okay");
printf("Enabled Features\n");
printf(" On Demand: %s\n", !!s->regs.en_features.sdsi ? "Enabled" : "Disabled");
printf(" Attestation: %s\n", !!s->regs.en_features.attestation ? "Enabled" : "Disabled");
printf(" On Demand: %s\n", !!s->regs.en_features.sdsi ? "Enabled" : "Disabled");
printf(" Metering: %s\n", !!s->regs.en_features.metering ? "Enabled" : "Disabled");
printf("License Key (AKC) Provisioned: %s\n", !!s->regs.key_prov_sts.license_key_provisioned ? "Yes" : "No");
printf("Authorization Failure Count\n");
printf(" AKC Failure Count: %d\n", s->regs.auth_fail_count.key_failure_count);
printf(" AKC Failure Threshold: %d\n", s->regs.auth_fail_count.key_failure_threshold);
printf(" CAP Failure Count: %d\n", s->regs.auth_fail_count.auth_failure_count);
printf(" CAP Failure Threshold: %d\n", s->regs.auth_fail_count.auth_failure_threshold);
printf("Provisioning Availability\n");
printf(" Updates Available: %d\n", s->regs.prov_avail.available);
printf(" Updates Threshold: %d\n", s->regs.prov_avail.threshold);
printf("NVRAM Udate Limit\n");
printf(" 50%% Limit Reached: %s\n", !!s->regs.limits.sdsi_50_pct ? "Yes" : "No");
printf(" 75%% Limit Reached: %s\n", !!s->regs.limits.sdsi_75_pct ? "Yes" : "No");
printf(" 90%% Limit Reached: %s\n", !!s->regs.limits.sdsi_90_pct ? "Yes" : "No");
if (s->guid == GUID_V1)
printf("Socket ID: %ld\n", s->regs.extra.v1.socket_id & 0xF);
else
printf("Socket ID: %ld\n", s->regs.extra.v2.socket_id & 0xF);
return 0;
}
static char *license_blob_type(uint32_t type)
{
switch (type) {
case LBT_ONE_TIME_UPGRADE:
return "One time upgrade";
case LBT_METERED_UPGRADE:
return "Metered upgrade";
default:
return "Unknown license blob type";
}
}
static char *content_type(uint32_t type)
{
switch (type) {
case CONTENT_TYPE_LK_ENC:
return "Licencse key encoding";
case CONTENT_TYPE_LK_BLOB_ENC:
return "License key + Blob encoding";
default:
return "Unknown content type";
}
}
static void get_feature(uint32_t encoding, char feature[5])
{
char *name = (char *)&encoding;
feature[4] = '\0';
feature[3] = name[0];
feature[2] = name[1];
feature[1] = name[2];
feature[0] = name[3];
}
static int sdsi_meter_cert_show(struct sdsi_dev *s, bool show_current)
{
char buf[METER_CERT_MAX_SIZE] = {0};
struct bundle_encoding_counter *bec;
struct meter_certificate *mc;
uint32_t count = 0;
FILE *cert_ptr;
char *cert_fname;
int ret, size;
char name[FEAT_LEN];
ret = sdsi_update_registers(s);
if (ret)
return ret;
if (!s->regs.en_features.sdsi) {
fprintf(stderr, "SDSi feature is present but not enabled.\n");
return -1;
}
if (!s->regs.en_features.metering) {
fprintf(stderr, "Metering not supporting on this socket.\n");
return -1;
}
ret = chdir(s->dev_path);
if (ret == -1) {
perror("chdir");
return ret;
}
cert_fname = show_current ? "meter_current" : "meter_certificate";
cert_ptr = fopen(cert_fname, "r");
if (!cert_ptr) {
fprintf(stderr, "Could not open '%s' file: %s", cert_fname, strerror(errno));
return -1;
}
size = fread(buf, 1, sizeof(buf), cert_ptr);
if (!size) {
fprintf(stderr, "Could not read '%s' file\n", cert_fname);
fclose(cert_ptr);
return -1;
}
fclose(cert_ptr);
mc = (struct meter_certificate *)buf;
printf("\n");
printf("Meter certificate for device %s\n", s->dev_name);
printf("\n");
get_feature(mc->signature, name);
printf("Signature: %s\n", name);
printf("Version: %d\n", mc->version);
printf("Count Unit: %dms\n", mc->counter_unit);
printf("PPIN: 0x%lx\n", mc->ppin);
printf("Feature Bundle Length: %d\n", mc->bundle_length);
get_feature(mc->mmrc_encoding, name);
printf("MMRC encoding: %s\n", name);
printf("MMRC counter: %d\n", mc->mmrc_counter);
if (mc->bundle_length % METER_BUNDLE_SIZE) {
fprintf(stderr, "Invalid bundle length\n");
return -1;
}
if (mc->bundle_length > METER_MAX_NUM_BUNDLES * METER_BUNDLE_SIZE) {
fprintf(stderr, "More than %ld bundles: actual %ld\n",
METER_MAX_NUM_BUNDLES, BUNDLE_COUNT(mc->bundle_length));
return -1;
}
bec = (struct bundle_encoding_counter *)(mc + 1);
printf("Number of Feature Counters: %ld\n", BUNDLE_COUNT(mc->bundle_length));
while (count < BUNDLE_COUNT(mc->bundle_length)) {
char feature[FEAT_LEN];
get_feature(bec[count].encoding, feature);
printf(" %s: %d\n", feature, bec[count].counter);
++count;
}
return 0;
}
static int sdsi_state_cert_show(struct sdsi_dev *s)
{
char buf[STATE_CERT_MAX_SIZE] = {0};
struct state_certificate *sc;
struct license_key_info *lki;
uint32_t offset = 0;
uint32_t count = 0;
FILE *cert_ptr;
int ret, size;
ret = sdsi_update_registers(s);
if (ret)
return ret;
if (!s->regs.en_features.sdsi) {
fprintf(stderr, "On Demand feature is present but not enabled.");
fprintf(stderr, " Unable to read state certificate");
return -1;
}
ret = chdir(s->dev_path);
if (ret == -1) {
perror("chdir");
return ret;
}
cert_ptr = fopen("state_certificate", "r");
if (!cert_ptr) {
perror("Could not open 'state_certificate' file");
return -1;
}
size = fread(buf, 1, sizeof(buf), cert_ptr);
if (!size) {
fprintf(stderr, "Could not read 'state_certificate' file\n");
fclose(cert_ptr);
return -1;
}
fclose(cert_ptr);
sc = (struct state_certificate *)buf;
printf("\n");
printf("State certificate for device %s\n", s->dev_name);
printf("\n");
printf("Content Type: %s\n", content_type(sc->content_type));
printf("Region Revision ID: %d\n", sc->region_rev_id);
printf("Header Size: %d\n", sc->header_size * 4);
printf("Total Size: %d\n", sc->total_size);
printf("OEM Key Size: %d\n", sc->key_size * 4);
printf("Number of Licenses: %d\n", sc->num_licenses);
lki = (void *)sc + sizeof(*sc) + (4 * sc->num_licenses);
printf("License blob Info:\n");
printf(" License Key Revision ID: 0x%x\n", lki->key_rev_id);
printf(" License Key Image Content: 0x%lx%lx%lx%lx%lx%lx\n",
lki->key_image_content[5], lki->key_image_content[4],
lki->key_image_content[3], lki->key_image_content[2],
lki->key_image_content[1], lki->key_image_content[0]);
while (count++ < sc->num_licenses) {
uint32_t blob_size_field = *(uint32_t *)(buf + 0x14 + count * 4);
uint32_t blob_size = LICENSE_BLOB_SIZE(blob_size_field);
bool license_valid = LICENSE_VALID(blob_size_field);
struct license_blob_content *lbc =
(void *)(sc) +
sizeof(*sc) +
(4 * sc->num_licenses) +
sizeof(*lki) +
offset;
struct bundle_encoding *bundle = (void *)(lbc) + sizeof(*lbc);
char feature[FEAT_LEN];
uint32_t i;
printf(" Blob %d:\n", count - 1);
printf(" License blob size: %u\n", blob_size);
printf(" License is valid: %s\n", license_valid ? "Yes" : "No");
printf(" License blob type: %s\n", license_blob_type(lbc->type));
printf(" License blob ID: 0x%lx\n", lbc->id);
printf(" PPIN: 0x%lx\n", lbc->ppin);
printf(" Previous PPIN: 0x%lx\n", lbc->previous_ppin);
printf(" Blob revision ID: %u\n", lbc->rev_id);
printf(" Number of Features: %u\n", lbc->num_bundles);
for (i = 0; i < min(lbc->num_bundles, STATE_MAX_NUM_IN_BUNDLE); i++) {
get_feature(bundle[i].encoding, feature);
printf(" Feature %d: %s\n", i, feature);
}
if (lbc->num_bundles > STATE_MAX_NUM_IN_BUNDLE)
fprintf(stderr, " Warning: %d > %d licenses in bundle reported.\n",
lbc->num_bundles, STATE_MAX_NUM_IN_BUNDLE);
offset += blob_size;
};
return 0;
}
static int sdsi_provision(struct sdsi_dev *s, char *bin_file, enum command command)
{
int bin_fd, prov_fd, size, ret;
char buf[STATE_CERT_MAX_SIZE] = { 0 };
char cap[] = "provision_cap";
char akc[] = "provision_akc";
char *prov_file;
if (!bin_file) {
fprintf(stderr, "No binary file provided\n");
return -1;
}
bin_fd = open(bin_file, O_RDONLY);
if (bin_fd == -1) {
fprintf(stderr, "Could not open file %s: %s\n", bin_file, strerror(errno));
return bin_fd;
}
prov_file = (command == CMD_PROV_AKC) ? akc : cap;
ret = chdir(s->dev_path);
if (ret == -1) {
perror("chdir");
close(bin_fd);
return ret;
}
prov_fd = open(prov_file, O_WRONLY);
if (prov_fd == -1) {
fprintf(stderr, "Could not open file %s: %s\n", prov_file, strerror(errno));
close(bin_fd);
return prov_fd;
}
size = read(bin_fd, buf, STATE_CERT_MAX_SIZE);
if (size == -1) {
close(bin_fd);
close(prov_fd);
return -1;
}
ret = write(prov_fd, buf, size);
if (ret == -1) {
close(bin_fd);
close(prov_fd);
perror("Provisioning failed");
return ret;
}
printf("Provisioned %s file %s successfully\n", prov_file, bin_file);
close(bin_fd);
close(prov_fd);
return 0;
}
static int sdsi_provision_akc(struct sdsi_dev *s, char *bin_file)
{
int ret;
ret = sdsi_update_registers(s);
if (ret)
return ret;
if (!s->regs.en_features.sdsi) {
fprintf(stderr, "On Demand feature is present but not enabled. Unable to provision");
return -1;
}
if (!s->regs.prov_avail.available) {
fprintf(stderr, "Maximum number of updates (%d) has been reached.\n",
s->regs.prov_avail.threshold);
return -1;
}
if (s->regs.auth_fail_count.key_failure_count ==
s->regs.auth_fail_count.key_failure_threshold) {
fprintf(stderr, "Maximum number of AKC provision failures (%d) has been reached.\n",
s->regs.auth_fail_count.key_failure_threshold);
fprintf(stderr, "Power cycle the system to reset the counter\n");
return -1;
}
return sdsi_provision(s, bin_file, CMD_PROV_AKC);
}
static int sdsi_provision_cap(struct sdsi_dev *s, char *bin_file)
{
int ret;
ret = sdsi_update_registers(s);
if (ret)
return ret;
if (!s->regs.en_features.sdsi) {
fprintf(stderr, "On Demand feature is present but not enabled. Unable to provision");
return -1;
}
if (!s->regs.prov_avail.available) {
fprintf(stderr, "Maximum number of updates (%d) has been reached.\n",
s->regs.prov_avail.threshold);
return -1;
}
if (s->regs.auth_fail_count.auth_failure_count ==
s->regs.auth_fail_count.auth_failure_threshold) {
fprintf(stderr, "Maximum number of CAP provision failures (%d) has been reached.\n",
s->regs.auth_fail_count.auth_failure_threshold);
fprintf(stderr, "Power cycle the system to reset the counter\n");
return -1;
}
return sdsi_provision(s, bin_file, CMD_PROV_CAP);
}
static int read_sysfs_data(const char *file, int *value)
{
char buff[16];
FILE *fp;
fp = fopen(file, "r");
if (!fp) {
perror(file);
return -1;
}
if (!fgets(buff, 16, fp)) {
fprintf(stderr, "Failed to read file '%s'", file);
fclose(fp);
return -1;
}
fclose(fp);
*value = strtol(buff, NULL, 0);
return 0;
}
static struct sdsi_dev *sdsi_create_dev(char *dev_no)
{
int dev_name_len = sizeof(SDSI_DEV) + strlen(dev_no) + 1;
struct sdsi_dev *s;
int guid;
DIR *dir;
s = (struct sdsi_dev *)malloc(sizeof(*s));
if (!s) {
perror("malloc");
return NULL;
}
s->dev_name = (char *)malloc(sizeof(SDSI_DEV) + strlen(dev_no) + 1);
if (!s->dev_name) {
perror("malloc");
free(s);
return NULL;
}
snprintf(s->dev_name, dev_name_len, "%s.%s", SDSI_DEV, dev_no);
s->dev_path = (char *)malloc(sizeof(AUX_DEV_PATH) + dev_name_len);
if (!s->dev_path) {
perror("malloc");
free(s->dev_name);
free(s);
return NULL;
}
snprintf(s->dev_path, sizeof(AUX_DEV_PATH) + dev_name_len, "%s%s", AUX_DEV_PATH,
s->dev_name);
dir = opendir(s->dev_path);
if (!dir) {
fprintf(stderr, "Could not open directory '%s': %s\n", s->dev_path,
strerror(errno));
free(s->dev_path);
free(s->dev_name);
free(s);
return NULL;
}
if (chdir(s->dev_path) == -1) {
perror("chdir");
free(s->dev_path);
free(s->dev_name);
free(s);
return NULL;
}
if (read_sysfs_data("guid", &guid)) {
free(s->dev_path);
free(s->dev_name);
free(s);
return NULL;
}
s->guid = guid;
return s;
}
static void sdsi_free_dev(struct sdsi_dev *s)
{
free(s->dev_path);
free(s->dev_name);
free(s);
}
static void usage(char *prog)
{
printf("Usage: %s [-l] [-d DEVNO [-i] [-s] [-m | -C] [-a FILE] [-c FILE]\n", prog);
}
static void show_help(void)
{
printf("Commands:\n");
printf(" %-18s\t%s\n", "-l, --list", "list available On Demand devices");
printf(" %-18s\t%s\n", "-d, --devno DEVNO", "On Demand device number");
printf(" %-18s\t%s\n", "-i, --info", "show socket information");
printf(" %-18s\t%s\n", "-s, --state", "show state certificate data");
printf(" %-18s\t%s\n", "-m, --meter", "show meter certificate data");
printf(" %-18s\t%s\n", "-C, --meter_current", "show live unattested meter data");
printf(" %-18s\t%s\n", "-a, --akc FILE", "provision socket with AKC FILE");
printf(" %-18s\t%s\n", "-c, --cap FILE>", "provision socket with CAP FILE");
}
int main(int argc, char *argv[])
{
char bin_file[PATH_MAX], *dev_no = NULL;
bool device_selected = false;
char *progname;
enum command command = -1;
struct sdsi_dev *s;
int ret = 0, opt;
int option_index = 0;
static struct option long_options[] = {
{"akc", required_argument, 0, 'a'},
{"cap", required_argument, 0, 'c'},
{"devno", required_argument, 0, 'd'},
{"help", no_argument, 0, 'h'},
{"info", no_argument, 0, 'i'},
{"list", no_argument, 0, 'l'},
{"meter", no_argument, 0, 'm'},
{"meter_current", no_argument, 0, 'C'},
{"state", no_argument, 0, 's'},
{0, 0, 0, 0 }
};
progname = argv[0];
while ((opt = getopt_long_only(argc, argv, "+a:c:d:hilmCs", long_options,
&option_index)) != -1) {
switch (opt) {
case 'd':
dev_no = optarg;
device_selected = true;
break;
case 'l':
sdsi_list_devices();
return 0;
case 'i':
command = CMD_SOCKET_INFO;
break;
case 'm':
command = CMD_METER_CERT;
break;
case 'C':
command = CMD_METER_CURRENT_CERT;
break;
case 's':
command = CMD_STATE_CERT;
break;
case 'a':
case 'c':
if (!access(optarg, F_OK) == 0) {
fprintf(stderr, "Could not open file '%s': %s\n", optarg,
strerror(errno));
return -1;
}
if (!realpath(optarg, bin_file)) {
perror("realpath");
return -1;
}
command = (opt == 'a') ? CMD_PROV_AKC : CMD_PROV_CAP;
break;
case 'h':
usage(progname);
show_help();
return 0;
default:
usage(progname);
return -1;
}
}
if (device_selected) {
s = sdsi_create_dev(dev_no);
if (!s)
return -1;
switch (command) {
case CMD_SOCKET_INFO:
ret = sdsi_read_reg(s);
break;
case CMD_METER_CERT:
ret = sdsi_meter_cert_show(s, false);
break;
case CMD_METER_CURRENT_CERT:
ret = sdsi_meter_cert_show(s, true);
break;
case CMD_STATE_CERT:
ret = sdsi_state_cert_show(s);
break;
case CMD_PROV_AKC:
ret = sdsi_provision_akc(s, bin_file);
break;
case CMD_PROV_CAP:
ret = sdsi_provision_cap(s, bin_file);
break;
default:
fprintf(stderr, "No command specified\n");
return -1;
}
sdsi_free_dev(s);
} else {
fprintf(stderr, "No device specified\n");
return -1;
}
return ret;
}
