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lszcrypt: new option to show the serial numbers of CCA and EP11 cards

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The new option -s, long --serial shows the serial numbers of
CCA and EP11 cards.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Harald Freudenberger
2022-02-18 16:26:14 +01:00
committed by Jan Höppner
parent a8b0d7ace8
commit 46fd42af0c
2 changed files with 93 additions and 0 deletions
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5
zconf/zcrypt/lszcrypt.8
View File

@@ -32,6 +32,8 @@ lszcrypt \- display zcrypt device and configuration information
.TP
.B lszcrypt -h
.TP
.B lszcrypt -s
.TP
.B lszcrypt -v
. TP
.B <filteroptions>
@@ -113,6 +115,9 @@ B - indicate both (control and usage domain)
.B -h, --help
Displays help text and exits.
.TP 8
.B -s, --serial
Shows the serial numbers for CCA and EP11 crypto cards.
.TP 8
.B -v, --version
Displays version information and exits.
.TP 8

88
zconf/zcrypt/lszcrypt.c
View File

@@ -151,6 +151,10 @@ static struct util_opt opt_vec[] = {
.flags = UTIL_OPT_FLAG_NOSHORT,
.desc = "Show only information from queues but no card info",
},
{
.option = {"serial", 0, NULL, 's'},
.desc = "Show the serial numbers for CCA and EP11 crypto cards",
},
UTIL_OPT_HELP,
UTIL_OPT_VERSION,
UTIL_OPT_END
@@ -285,6 +289,87 @@ static void show_domains(void)
show_domains_util_rec(domain_array);
}
/*
* Show serialnumbers
*/
static void show_serialnumbers(void)
{
struct util_rec *rec = util_rec_new_wide("-");
struct dirent **dev_vec;
int i, count;
char *ap, *path, *device, *grp_dev, card[16], buf[256];
long config = -1, online = -1, chkstop = -1;
unsigned long facility;
/* check if ap driver is available */
ap = util_path_sysfs("bus/ap");
if (!util_path_is_dir(ap))
errx(EXIT_FAILURE, "Crypto device driver not available.");
/* define the record */
util_rec_def(rec, "card", UTIL_REC_ALIGN_LEFT, 8, "CARD.DOM");
util_rec_def(rec, "type", UTIL_REC_ALIGN_LEFT, 5, "TYPE");
util_rec_def(rec, "mode", UTIL_REC_ALIGN_LEFT, 11, "MODE");
util_rec_def(rec, "status", UTIL_REC_ALIGN_LEFT, 10, "STATUS");
util_rec_def(rec, "serialnr", UTIL_REC_ALIGN_LEFT, 8, "SERIALNR");
/* scan the devices */
path = util_path_sysfs("devices/ap/");
count = util_scandir(&dev_vec, alphasort, path, "card[0-9a-fA-F]+");
if (count < 1)
errx(EXIT_FAILURE, "No crypto card devices found.");
util_rec_print_hdr(rec);
for (i = 0; i < count; i++) {
device = dev_vec[i]->d_name;
grp_dev = util_path_sysfs("devices/ap/%s", device);
if (!util_path_is_dir(grp_dev))
errx(EXIT_FAILURE, "Error - cryptographic device %s does not exist.", device);
if (!util_path_is_readable("%s/type", grp_dev) ||
!util_path_is_readable("%s/online", grp_dev))
goto next;
strcpy(card, device + 4);
util_rec_set(rec, "card", card);
util_file_read_line(buf, sizeof(buf), "%s/type", grp_dev);
util_rec_set(rec, "type", buf);
util_file_read_ul(&facility, 16, "%s/ap_functions", grp_dev);
if (facility & MASK_COPRO)
util_rec_set(rec, "mode", "CCA-Coproc");
else if (facility & MASK_EP11)
util_rec_set(rec, "mode", "EP11-Coproc");
else
goto next;
if (util_path_is_readable("%s/config", grp_dev))
util_file_read_l(&config, 10, "%s/config", grp_dev);
if (util_path_is_readable("%s/chkstop", grp_dev))
util_file_read_l(&chkstop, 10, "%s/chkstop", grp_dev);
if (util_path_is_readable("%s/online", grp_dev))
util_file_read_l(&online, 10, "%s/online", grp_dev);
if (config == 0) {
util_rec_set(rec, "status", "deconfig");
} else {
if (chkstop > 0)
util_rec_set(rec, "status", "chkstop");
else if (online > 0)
util_rec_set(rec, "status", "online");
else if (online == 0)
util_rec_set(rec, "status", "offline");
else
util_rec_set(rec, "status", "-");
}
if (util_file_read_line(buf, sizeof(buf), "%s/serialnr", grp_dev))
util_rec_set(rec, "serialnr", "-");
else {
buf[8] = '\0';
util_rec_set(rec, "serialnr", buf);
}
util_rec_print(rec);
next:
free(grp_dev);
}
free(path);
}
/*
* Show capability
*/
@@ -863,6 +948,9 @@ int main(int argc, char **argv)
case 'd':
show_domains();
return EXIT_SUCCESS;
case 's':
show_serialnumbers();
return EXIT_SUCCESS;
case 'V':
l.verbose++;
break;