Commit aa55bf5f authored by Harald Freudenberger's avatar Harald Freudenberger Committed by Martin Schwidefsky
Browse files

s390/zcrypt: add ap_adapter_mask sysfs attribute 



This patch provides a new sysfs attribute file
/sys/bus/ap/ap_adapter_mask. This read-only attribute
refrects the apm field as it is found in the PQAP(QCI)
crypto info.

Signed-off-by: default avatarHarald Freudenberger <freude@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent a17b92e0

drivers/s390/crypto/ap_bus.c

+16 −0
Original line number Diff line number Diff line
@@ -1037,6 +1037,21 @@ static ssize_t ap_usage_domain_mask_show(struct bus_type *bus, char *buf) 


static BUS_ATTR_RO(ap_usage_domain_mask);



static ssize_t ap_adapter_mask_show(struct bus_type *bus, char *buf)

{

	if (!ap_configuration)	/* QCI not supported */

		return snprintf(buf, PAGE_SIZE, "not supported\n");



	return snprintf(buf, PAGE_SIZE,

			"0x%08x%08x%08x%08x%08x%08x%08x%08x\n",

			ap_configuration->apm[0], ap_configuration->apm[1],

			ap_configuration->apm[2], ap_configuration->apm[3],

			ap_configuration->apm[4], ap_configuration->apm[5],

			ap_configuration->apm[6], ap_configuration->apm[7]);

}



static BUS_ATTR_RO(ap_adapter_mask);



static ssize_t ap_interrupts_show(struct bus_type *bus, char *buf)

{

	return snprintf(buf, PAGE_SIZE, "%d\n",
@@ -1195,6 +1210,7 @@ static struct bus_attribute *const ap_bus_attrs[] = { 
	&bus_attr_ap_domain,

	&bus_attr_ap_control_domain_mask,

	&bus_attr_ap_usage_domain_mask,

	&bus_attr_ap_adapter_mask,

	&bus_attr_config_time,

	&bus_attr_poll_thread,

	&bus_attr_ap_interrupts,

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