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-rw-r--r--drivers/s390/crypto/ap_bus.c113
-rw-r--r--drivers/s390/crypto/ap_bus.h4
-rw-r--r--drivers/s390/crypto/zcrypt_api.c111
-rw-r--r--drivers/s390/crypto/zcrypt_api.h2
-rw-r--r--drivers/s390/crypto/zcrypt_cex4.c20
-rw-r--r--drivers/s390/crypto/zcrypt_debug.h12
-rw-r--r--drivers/s390/crypto/zcrypt_error.h18
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype50.c12
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype6.c298
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype6.h2
-rw-r--r--drivers/s390/crypto/zcrypt_pcica.c11
-rw-r--r--drivers/s390/crypto/zcrypt_pcicc.c12
12 files changed, 557 insertions, 58 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 9de41aa1489..4038437ff03 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -58,7 +58,7 @@ static inline void ap_schedule_poll_timer(void);
static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags);
static int ap_device_remove(struct device *dev);
static int ap_device_probe(struct device *dev);
-static void ap_interrupt_handler(void *unused1, void *unused2);
+static void ap_interrupt_handler(struct airq_struct *airq);
static void ap_reset(struct ap_device *ap_dev);
static void ap_config_timeout(unsigned long ptr);
static int ap_select_domain(void);
@@ -71,17 +71,18 @@ MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("Adjunct Processor Bus driver, " \
"Copyright IBM Corp. 2006, 2012");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("z90crypt");
/*
* Module parameter
*/
int ap_domain_index = -1; /* Adjunct Processor Domain Index */
-module_param_named(domain, ap_domain_index, int, 0000);
+module_param_named(domain, ap_domain_index, int, S_IRUSR|S_IRGRP);
MODULE_PARM_DESC(domain, "domain index for ap devices");
EXPORT_SYMBOL(ap_domain_index);
static int ap_thread_flag = 0;
-module_param_named(poll_thread, ap_thread_flag, int, 0000);
+module_param_named(poll_thread, ap_thread_flag, int, S_IRUSR|S_IRGRP);
MODULE_PARM_DESC(poll_thread, "Turn on/off poll thread, default is 0 (off).");
static struct device *ap_root_device = NULL;
@@ -106,7 +107,6 @@ static DECLARE_WAIT_QUEUE_HEAD(ap_poll_wait);
static struct task_struct *ap_poll_kthread = NULL;
static DEFINE_MUTEX(ap_poll_thread_mutex);
static DEFINE_SPINLOCK(ap_poll_timer_lock);
-static void *ap_interrupt_indicator;
static struct hrtimer ap_poll_timer;
/* In LPAR poll with 4kHz frequency. Poll every 250000 nanoseconds.
* If z/VM change to 1500000 nanoseconds to adjust to z/VM polling.*/
@@ -120,13 +120,21 @@ static int ap_suspend_flag;
static int user_set_domain = 0;
static struct bus_type ap_bus_type;
+/* Adapter interrupt definitions */
+static int ap_airq_flag;
+
+static struct airq_struct ap_airq = {
+ .handler = ap_interrupt_handler,
+ .isc = AP_ISC,
+};
+
/**
* ap_using_interrupts() - Returns non-zero if interrupt support is
* available.
*/
static inline int ap_using_interrupts(void)
{
- return ap_interrupt_indicator != NULL;
+ return ap_airq_flag;
}
/**
@@ -405,7 +413,7 @@ __ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length,
register unsigned long reg2 asm ("2") = (unsigned long) msg;
register unsigned long reg3 asm ("3") = (unsigned long) length;
register unsigned long reg4 asm ("4") = (unsigned int) (psmid >> 32);
- register unsigned long reg5 asm ("5") = (unsigned int) psmid;
+ register unsigned long reg5 asm ("5") = psmid & 0xffffffff;
if (special == 1)
reg0 |= 0x400000UL;
@@ -583,12 +591,18 @@ static int ap_init_queue(ap_qid_t qid)
if (rc != -ENODEV && rc != -EBUSY)
break;
if (i < AP_MAX_RESET - 1) {
- udelay(5);
+ /* Time we are waiting until we give up (0.7sec * 90).
+ * Since the actual request (in progress) will not
+ * interrupted immediately for the reset command,
+ * we have to be patient. In worst case we have to
+ * wait 60sec + reset time (some msec).
+ */
+ schedule_timeout(AP_RESET_TIMEOUT);
status = ap_test_queue(qid, &dummy, &dummy);
}
}
if (rc == 0 && ap_using_interrupts()) {
- rc = ap_queue_enable_interruption(qid, ap_interrupt_indicator);
+ rc = ap_queue_enable_interruption(qid, ap_airq.lsi_ptr);
/* If interruption mode is supported by the machine,
* but an AP can not be enabled for interruption then
* the AP will be discarded. */
@@ -821,13 +835,22 @@ static int ap_bus_suspend(struct device *dev, pm_message_t state)
static int ap_bus_resume(struct device *dev)
{
- int rc = 0;
struct ap_device *ap_dev = to_ap_dev(dev);
+ int rc;
if (ap_suspend_flag) {
ap_suspend_flag = 0;
- if (!ap_interrupts_available())
- ap_interrupt_indicator = NULL;
+ if (ap_interrupts_available()) {
+ if (!ap_using_interrupts()) {
+ rc = register_adapter_interrupt(&ap_airq);
+ ap_airq_flag = (rc == 0);
+ }
+ } else {
+ if (ap_using_interrupts()) {
+ unregister_adapter_interrupt(&ap_airq);
+ ap_airq_flag = 0;
+ }
+ }
ap_query_configuration();
if (!user_set_domain) {
ap_domain_index = -1;
@@ -848,7 +871,10 @@ static int ap_bus_resume(struct device *dev)
tasklet_schedule(&ap_tasklet);
if (ap_thread_flag)
rc = ap_poll_thread_start();
- }
+ else
+ rc = 0;
+ } else
+ rc = 0;
if (AP_QID_QUEUE(ap_dev->qid) != ap_domain_index) {
spin_lock_bh(&ap_dev->lock);
ap_dev->qid = AP_MKQID(AP_QID_DEVICE(ap_dev->qid),
@@ -875,10 +901,15 @@ static int ap_device_probe(struct device *dev)
int rc;
ap_dev->drv = ap_drv;
+
+ spin_lock_bh(&ap_device_list_lock);
+ list_add(&ap_dev->list, &ap_device_list);
+ spin_unlock_bh(&ap_device_list_lock);
+
rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV;
- if (!rc) {
+ if (rc) {
spin_lock_bh(&ap_device_list_lock);
- list_add(&ap_dev->list, &ap_device_list);
+ list_del_init(&ap_dev->list);
spin_unlock_bh(&ap_device_list_lock);
}
return rc;
@@ -972,6 +1003,28 @@ static ssize_t ap_domain_show(struct bus_type *bus, char *buf)
static BUS_ATTR(ap_domain, 0444, ap_domain_show, NULL);
+static ssize_t ap_control_domain_mask_show(struct bus_type *bus, char *buf)
+{
+ if (ap_configuration != NULL) { /* QCI not supported */
+ if (test_facility(76)) { /* format 1 - 256 bit domain field */
+ return snprintf(buf, PAGE_SIZE,
+ "0x%08x%08x%08x%08x%08x%08x%08x%08x\n",
+ ap_configuration->adm[0], ap_configuration->adm[1],
+ ap_configuration->adm[2], ap_configuration->adm[3],
+ ap_configuration->adm[4], ap_configuration->adm[5],
+ ap_configuration->adm[6], ap_configuration->adm[7]);
+ } else { /* format 0 - 16 bit domain field */
+ return snprintf(buf, PAGE_SIZE, "%08x%08x\n",
+ ap_configuration->adm[0], ap_configuration->adm[1]);
+ }
+ } else {
+ return snprintf(buf, PAGE_SIZE, "not supported\n");
+ }
+}
+
+static BUS_ATTR(ap_control_domain_mask, 0444,
+ ap_control_domain_mask_show, NULL);
+
static ssize_t ap_config_time_show(struct bus_type *bus, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", ap_config_time);
@@ -1057,6 +1110,7 @@ static BUS_ATTR(poll_timeout, 0644, poll_timeout_show, poll_timeout_store);
static struct bus_attribute *const ap_bus_attrs[] = {
&bus_attr_ap_domain,
+ &bus_attr_ap_control_domain_mask,
&bus_attr_config_time,
&bus_attr_poll_thread,
&bus_attr_ap_interrupts,
@@ -1266,7 +1320,7 @@ out:
return rc;
}
-static void ap_interrupt_handler(void *unused1, void *unused2)
+static void ap_interrupt_handler(struct airq_struct *airq)
{
inc_irq_stat(IRQIO_APB);
tasklet_schedule(&ap_tasklet);
@@ -1722,7 +1776,7 @@ static void ap_poll_all(unsigned long dummy)
* important that no requests on any AP get lost.
*/
if (ap_using_interrupts())
- xchg((u8 *)ap_interrupt_indicator, 0);
+ xchg(ap_airq.lsi_ptr, 0);
do {
flags = 0;
spin_lock(&ap_device_list_lock);
@@ -1754,7 +1808,7 @@ static int ap_poll_thread(void *data)
int requests;
struct ap_device *ap_dev;
- set_user_nice(current, 19);
+ set_user_nice(current, MAX_NICE);
while (1) {
if (ap_suspend_flag)
return 0;
@@ -1795,7 +1849,7 @@ static int ap_poll_thread_start(void)
mutex_lock(&ap_poll_thread_mutex);
if (!ap_poll_kthread) {
ap_poll_kthread = kthread_run(ap_poll_thread, NULL, "appoll");
- rc = IS_ERR(ap_poll_kthread) ? PTR_ERR(ap_poll_kthread) : 0;
+ rc = PTR_RET(ap_poll_kthread);
if (rc)
ap_poll_kthread = NULL;
}
@@ -1881,13 +1935,8 @@ int __init ap_module_init(void)
return -ENODEV;
}
if (ap_interrupts_available()) {
- isc_register(AP_ISC);
- ap_interrupt_indicator = s390_register_adapter_interrupt(
- &ap_interrupt_handler, NULL, AP_ISC);
- if (IS_ERR(ap_interrupt_indicator)) {
- ap_interrupt_indicator = NULL;
- isc_unregister(AP_ISC);
- }
+ rc = register_adapter_interrupt(&ap_airq);
+ ap_airq_flag = (rc == 0);
}
register_reset_call(&ap_reset_call);
@@ -1904,7 +1953,7 @@ int __init ap_module_init(void)
/* Create /sys/devices/ap. */
ap_root_device = root_device_register("ap");
- rc = IS_ERR(ap_root_device) ? PTR_ERR(ap_root_device) : 0;
+ rc = PTR_RET(ap_root_device);
if (rc)
goto out_bus;
@@ -1955,10 +2004,8 @@ out_bus:
bus_unregister(&ap_bus_type);
out:
unregister_reset_call(&ap_reset_call);
- if (ap_using_interrupts()) {
- s390_unregister_adapter_interrupt(ap_interrupt_indicator, AP_ISC);
- isc_unregister(AP_ISC);
- }
+ if (ap_using_interrupts())
+ unregister_adapter_interrupt(&ap_airq);
return rc;
}
@@ -1994,10 +2041,8 @@ void ap_module_exit(void)
bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
bus_unregister(&ap_bus_type);
unregister_reset_call(&ap_reset_call);
- if (ap_using_interrupts()) {
- s390_unregister_adapter_interrupt(ap_interrupt_indicator, AP_ISC);
- isc_unregister(AP_ISC);
- }
+ if (ap_using_interrupts())
+ unregister_adapter_interrupt(&ap_airq);
}
module_init(ap_module_init);
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 685f6cc022f..6405ae24a7a 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -33,7 +33,7 @@
#define AP_DEVICES 64 /* Number of AP devices. */
#define AP_DOMAINS 16 /* Number of AP domains. */
#define AP_MAX_RESET 90 /* Maximum number of resets. */
-#define AP_RESET_TIMEOUT (HZ/2) /* Time in ticks for reset timeouts. */
+#define AP_RESET_TIMEOUT (HZ*0.7) /* Time in ticks for reset timeouts. */
#define AP_CONFIG_TIME 30 /* Time in seconds between AP bus rescans. */
#define AP_POLL_TIME 1 /* Time in ticks between receive polls. */
@@ -125,6 +125,8 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
#define AP_FUNC_CRT4K 2
#define AP_FUNC_COPRO 3
#define AP_FUNC_ACCEL 4
+#define AP_FUNC_EP11 5
+#define AP_FUNC_APXA 6
/*
* AP reset flag states
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 31cfaa55607..0e18c5dcd91 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -44,6 +44,8 @@
#include "zcrypt_debug.h"
#include "zcrypt_api.h"
+#include "zcrypt_msgtype6.h"
+
/*
* Module description.
*/
@@ -354,7 +356,7 @@ struct zcrypt_ops *zcrypt_msgtype_request(unsigned char *name, int variant)
zops = __ops_lookup(name, variant);
if (!zops) {
- request_module(name);
+ request_module("%s", name);
zops = __ops_lookup(name, variant);
}
if ((!zops) || (!try_module_get(zops->owner)))
@@ -554,9 +556,9 @@ static long zcrypt_send_cprb(struct ica_xcRB *xcRB)
spin_lock_bh(&zcrypt_device_lock);
list_for_each_entry(zdev, &zcrypt_device_list, list) {
if (!zdev->online || !zdev->ops->send_cprb ||
- (xcRB->user_defined != AUTOSELECT &&
- AP_QID_DEVICE(zdev->ap_dev->qid) != xcRB->user_defined)
- )
+ (zdev->ops->variant == MSGTYPE06_VARIANT_EP11) ||
+ (xcRB->user_defined != AUTOSELECT &&
+ AP_QID_DEVICE(zdev->ap_dev->qid) != xcRB->user_defined))
continue;
zcrypt_device_get(zdev);
get_device(&zdev->ap_dev->device);
@@ -581,6 +583,90 @@ static long zcrypt_send_cprb(struct ica_xcRB *xcRB)
return -ENODEV;
}
+struct ep11_target_dev_list {
+ unsigned short targets_num;
+ struct ep11_target_dev *targets;
+};
+
+static bool is_desired_ep11dev(unsigned int dev_qid,
+ struct ep11_target_dev_list dev_list)
+{
+ int n;
+
+ for (n = 0; n < dev_list.targets_num; n++, dev_list.targets++) {
+ if ((AP_QID_DEVICE(dev_qid) == dev_list.targets->ap_id) &&
+ (AP_QID_QUEUE(dev_qid) == dev_list.targets->dom_id)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static long zcrypt_send_ep11_cprb(struct ep11_urb *xcrb)
+{
+ struct zcrypt_device *zdev;
+ bool autoselect = false;
+ int rc;
+ struct ep11_target_dev_list ep11_dev_list = {
+ .targets_num = 0x00,
+ .targets = NULL,
+ };
+
+ ep11_dev_list.targets_num = (unsigned short) xcrb->targets_num;
+
+ /* empty list indicates autoselect (all available targets) */
+ if (ep11_dev_list.targets_num == 0)
+ autoselect = true;
+ else {
+ ep11_dev_list.targets = kcalloc((unsigned short)
+ xcrb->targets_num,
+ sizeof(struct ep11_target_dev),
+ GFP_KERNEL);
+ if (!ep11_dev_list.targets)
+ return -ENOMEM;
+
+ if (copy_from_user(ep11_dev_list.targets,
+ (struct ep11_target_dev __force __user *)
+ xcrb->targets, xcrb->targets_num *
+ sizeof(struct ep11_target_dev)))
+ return -EFAULT;
+ }
+
+ spin_lock_bh(&zcrypt_device_lock);
+ list_for_each_entry(zdev, &zcrypt_device_list, list) {
+ /* check if device is eligible */
+ if (!zdev->online ||
+ zdev->ops->variant != MSGTYPE06_VARIANT_EP11)
+ continue;
+
+ /* check if device is selected as valid target */
+ if (!is_desired_ep11dev(zdev->ap_dev->qid, ep11_dev_list) &&
+ !autoselect)
+ continue;
+
+ zcrypt_device_get(zdev);
+ get_device(&zdev->ap_dev->device);
+ zdev->request_count++;
+ __zcrypt_decrease_preference(zdev);
+ if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+ spin_unlock_bh(&zcrypt_device_lock);
+ rc = zdev->ops->send_ep11_cprb(zdev, xcrb);
+ spin_lock_bh(&zcrypt_device_lock);
+ module_put(zdev->ap_dev->drv->driver.owner);
+ } else {
+ rc = -EAGAIN;
+ }
+ zdev->request_count--;
+ __zcrypt_increase_preference(zdev);
+ put_device(&zdev->ap_dev->device);
+ zcrypt_device_put(zdev);
+ spin_unlock_bh(&zcrypt_device_lock);
+ return rc;
+ }
+ spin_unlock_bh(&zcrypt_device_lock);
+ return -ENODEV;
+}
+
static long zcrypt_rng(char *buffer)
{
struct zcrypt_device *zdev;
@@ -784,6 +870,23 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
return -EFAULT;
return rc;
}
+ case ZSENDEP11CPRB: {
+ struct ep11_urb __user *uxcrb = (void __user *)arg;
+ struct ep11_urb xcrb;
+ if (copy_from_user(&xcrb, uxcrb, sizeof(xcrb)))
+ return -EFAULT;
+ do {
+ rc = zcrypt_send_ep11_cprb(&xcrb);
+ } while (rc == -EAGAIN);
+ /* on failure: retry once again after a requested rescan */
+ if ((rc == -ENODEV) && (zcrypt_process_rescan()))
+ do {
+ rc = zcrypt_send_ep11_cprb(&xcrb);
+ } while (rc == -EAGAIN);
+ if (copy_to_user(uxcrb, &xcrb, sizeof(xcrb)))
+ return -EFAULT;
+ return rc;
+ }
case Z90STAT_STATUS_MASK: {
char status[AP_DEVICES];
zcrypt_status_mask(status);
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
index 89632919c99..b3d496bfaa7 100644
--- a/drivers/s390/crypto/zcrypt_api.h
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -74,6 +74,7 @@ struct ica_z90_status {
#define ZCRYPT_CEX2A 6
#define ZCRYPT_CEX3C 7
#define ZCRYPT_CEX3A 8
+#define ZCRYPT_CEX4 10
/**
* Large random numbers are pulled in 4096 byte chunks from the crypto cards
@@ -89,6 +90,7 @@ struct zcrypt_ops {
long (*rsa_modexpo_crt)(struct zcrypt_device *,
struct ica_rsa_modexpo_crt *);
long (*send_cprb)(struct zcrypt_device *, struct ica_xcRB *);
+ long (*send_ep11_cprb)(struct zcrypt_device *, struct ep11_urb *);
long (*rng)(struct zcrypt_device *, char *);
struct list_head list; /* zcrypt ops list. */
struct module *owner;
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index ce1226398ac..569f8b1d86c 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -30,7 +30,12 @@
#define CEX4A_MAX_MESSAGE_SIZE MSGTYPE50_CRB3_MAX_MSG_SIZE
#define CEX4C_MAX_MESSAGE_SIZE MSGTYPE06_MAX_MSG_SIZE
-#define CEX4_CLEANUP_TIME (15*HZ)
+/* Waiting time for requests to be processed.
+ * Currently there are some types of request which are not deterministic.
+ * But the maximum time limit managed by the stomper code is set to 60sec.
+ * Hence we have to wait at least that time period.
+ */
+#define CEX4_CLEANUP_TIME (61*HZ)
static struct ap_device_id zcrypt_cex4_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_CEX4) },
@@ -101,6 +106,19 @@ static int zcrypt_cex4_probe(struct ap_device *ap_dev)
zdev->speed_rating = CEX4C_SPEED_RATING;
zdev->ops = zcrypt_msgtype_request(MSGTYPE06_NAME,
MSGTYPE06_VARIANT_DEFAULT);
+ } else if (ap_test_bit(&ap_dev->functions, AP_FUNC_EP11)) {
+ zdev = zcrypt_device_alloc(CEX4C_MAX_MESSAGE_SIZE);
+ if (!zdev)
+ return -ENOMEM;
+ zdev->type_string = "CEX4P";
+ zdev->user_space_type = ZCRYPT_CEX4;
+ zdev->min_mod_size = CEX4C_MIN_MOD_SIZE;
+ zdev->max_mod_size = CEX4C_MAX_MOD_SIZE;
+ zdev->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
+ zdev->short_crt = 0;
+ zdev->speed_rating = CEX4C_SPEED_RATING;
+ zdev->ops = zcrypt_msgtype_request(MSGTYPE06_NAME,
+ MSGTYPE06_VARIANT_EP11);
}
break;
}
diff --git a/drivers/s390/crypto/zcrypt_debug.h b/drivers/s390/crypto/zcrypt_debug.h
index 841ea72e4a4..28d9349de1a 100644
--- a/drivers/s390/crypto/zcrypt_debug.h
+++ b/drivers/s390/crypto/zcrypt_debug.h
@@ -11,12 +11,6 @@
/* that gives us 15 characters in the text event views */
#define ZCRYPT_DBF_LEN 16
-/* sort out low debug levels early to avoid wasted sprints */
-static inline int zcrypt_dbf_passes(debug_info_t *dbf_grp, int level)
-{
- return (level <= dbf_grp->level);
-}
-
#define DBF_ERR 3 /* error conditions */
#define DBF_WARN 4 /* warning conditions */
#define DBF_INFO 6 /* informational */
@@ -25,7 +19,7 @@ static inline int zcrypt_dbf_passes(debug_info_t *dbf_grp, int level)
#define ZCRYPT_DBF_COMMON(level, text...) \
do { \
- if (zcrypt_dbf_passes(zcrypt_dbf_common, level)) { \
+ if (debug_level_enabled(zcrypt_dbf_common, level)) { \
char debug_buffer[ZCRYPT_DBF_LEN]; \
snprintf(debug_buffer, ZCRYPT_DBF_LEN, text); \
debug_text_event(zcrypt_dbf_common, level, \
@@ -35,7 +29,7 @@ static inline int zcrypt_dbf_passes(debug_info_t *dbf_grp, int level)
#define ZCRYPT_DBF_DEVICES(level, text...) \
do { \
- if (zcrypt_dbf_passes(zcrypt_dbf_devices, level)) { \
+ if (debug_level_enabled(zcrypt_dbf_devices, level)) { \
char debug_buffer[ZCRYPT_DBF_LEN]; \
snprintf(debug_buffer, ZCRYPT_DBF_LEN, text); \
debug_text_event(zcrypt_dbf_devices, level, \
@@ -45,7 +39,7 @@ static inline int zcrypt_dbf_passes(debug_info_t *dbf_grp, int level)
#define ZCRYPT_DBF_DEV(level, device, text...) \
do { \
- if (zcrypt_dbf_passes(device->dbf_area, level)) { \
+ if (debug_level_enabled(device->dbf_area, level)) { \
char debug_buffer[ZCRYPT_DBF_LEN]; \
snprintf(debug_buffer, ZCRYPT_DBF_LEN, text); \
debug_text_event(device->dbf_area, level, \
diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h
index 0079b661721..7b23f43c7b0 100644
--- a/drivers/s390/crypto/zcrypt_error.h
+++ b/drivers/s390/crypto/zcrypt_error.h
@@ -106,15 +106,15 @@ static inline int convert_error(struct zcrypt_device *zdev,
// REP88_ERROR_MESSAGE_TYPE // '20' CEX2A
/*
* To sent a message of the wrong type is a bug in the
- * device driver. Warn about it, disable the device
+ * device driver. Send error msg, disable the device
* and then repeat the request.
*/
- WARN_ON(1);
atomic_set(&zcrypt_rescan_req, 1);
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
- zdev->ap_dev->qid,
- zdev->online, ehdr->reply_code);
+ zdev->ap_dev->qid, zdev->online, ehdr->reply_code);
return -EAGAIN;
case REP82_ERROR_TRANSPORT_FAIL:
case REP82_ERROR_MACHINE_FAILURE:
@@ -122,15 +122,17 @@ static inline int convert_error(struct zcrypt_device *zdev,
/* If a card fails disable it and repeat the request. */
atomic_set(&zcrypt_rescan_req, 1);
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
- zdev->ap_dev->qid,
- zdev->online, ehdr->reply_code);
+ zdev->ap_dev->qid, zdev->online, ehdr->reply_code);
return -EAGAIN;
default:
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
- zdev->ap_dev->qid,
- zdev->online, ehdr->reply_code);
+ zdev->ap_dev->qid, zdev->online, ehdr->reply_code);
return -EAGAIN; /* repeat the request on a different device. */
}
}
diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c
index 7c522f338bd..334e282f255 100644
--- a/drivers/s390/crypto/zcrypt_msgtype50.c
+++ b/drivers/s390/crypto/zcrypt_msgtype50.c
@@ -25,6 +25,9 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#define KMSG_COMPONENT "zcrypt"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
@@ -332,6 +335,11 @@ static int convert_type80(struct zcrypt_device *zdev,
if (t80h->len < sizeof(*t80h) + outputdatalength) {
/* The result is too short, the CEX2A card may not do that.. */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+ zdev->ap_dev->qid, zdev->online, t80h->code);
+
return -EAGAIN; /* repeat the request on a different device. */
}
if (zdev->user_space_type == ZCRYPT_CEX2A)
@@ -359,6 +367,10 @@ static int convert_response(struct zcrypt_device *zdev,
outputdata, outputdatalength);
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+ zdev->ap_dev->qid, zdev->online);
return -EAGAIN; /* repeat the request on a different device. */
}
}
diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c
index 7d97fa5a26d..46b324ce6c7 100644
--- a/drivers/s390/crypto/zcrypt_msgtype6.c
+++ b/drivers/s390/crypto/zcrypt_msgtype6.c
@@ -25,6 +25,9 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#define KMSG_COMPONENT "zcrypt"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
@@ -50,6 +53,7 @@ struct response_type {
};
#define PCIXCC_RESPONSE_TYPE_ICA 0
#define PCIXCC_RESPONSE_TYPE_XCRB 1
+#define PCIXCC_RESPONSE_TYPE_EP11 2
MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("Cryptographic Coprocessor (message type 6), " \
@@ -307,22 +311,52 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
} __packed * msg = ap_msg->message;
int rcblen = CEIL4(xcRB->request_control_blk_length);
- int replylen;
+ int replylen, req_sumlen, resp_sumlen;
char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen;
char *function_code;
+ if (CEIL4(xcRB->request_control_blk_length) <
+ xcRB->request_control_blk_length)
+ return -EINVAL; /* overflow after alignment*/
+
/* length checks */
ap_msg->length = sizeof(struct type6_hdr) +
CEIL4(xcRB->request_control_blk_length) +
xcRB->request_data_length;
if (ap_msg->length > MSGTYPE06_MAX_MSG_SIZE)
return -EINVAL;
+
+ /* Overflow check
+ sum must be greater (or equal) than the largest operand */
+ req_sumlen = CEIL4(xcRB->request_control_blk_length) +
+ xcRB->request_data_length;
+ if ((CEIL4(xcRB->request_control_blk_length) <=
+ xcRB->request_data_length) ?
+ (req_sumlen < xcRB->request_data_length) :
+ (req_sumlen < CEIL4(xcRB->request_control_blk_length))) {
+ return -EINVAL;
+ }
+
+ if (CEIL4(xcRB->reply_control_blk_length) <
+ xcRB->reply_control_blk_length)
+ return -EINVAL; /* overflow after alignment*/
+
replylen = sizeof(struct type86_fmt2_msg) +
CEIL4(xcRB->reply_control_blk_length) +
xcRB->reply_data_length;
if (replylen > MSGTYPE06_MAX_MSG_SIZE)
return -EINVAL;
+ /* Overflow check
+ sum must be greater (or equal) than the largest operand */
+ resp_sumlen = CEIL4(xcRB->reply_control_blk_length) +
+ xcRB->reply_data_length;
+ if ((CEIL4(xcRB->reply_control_blk_length) <= xcRB->reply_data_length) ?
+ (resp_sumlen < xcRB->reply_data_length) :
+ (resp_sumlen < CEIL4(xcRB->reply_control_blk_length))) {
+ return -EINVAL;
+ }
+
/* prepare type6 header */
msg->hdr = static_type6_hdrX;
memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID));
@@ -358,6 +392,97 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
return 0;
}
+static int xcrb_msg_to_type6_ep11cprb_msgx(struct zcrypt_device *zdev,
+ struct ap_message *ap_msg,
+ struct ep11_urb *xcRB)
+{
+ unsigned int lfmt;
+
+ static struct type6_hdr static_type6_ep11_hdr = {
+ .type = 0x06,
+ .rqid = {0x00, 0x01},
+ .function_code = {0x00, 0x00},
+ .agent_id[0] = 0x58, /* {'X'} */
+ .agent_id[1] = 0x43, /* {'C'} */
+ .offset1 = 0x00000058,
+ };
+
+ struct {
+ struct type6_hdr hdr;
+ struct ep11_cprb cprbx;
+ unsigned char pld_tag; /* fixed value 0x30 */
+ unsigned char pld_lenfmt; /* payload length format */
+ } __packed * msg = ap_msg->message;
+
+ struct pld_hdr {
+ unsigned char func_tag; /* fixed value 0x4 */
+ unsigned char func_len; /* fixed value 0x4 */
+ unsigned int func_val; /* function ID */
+ unsigned char dom_tag; /* fixed value 0x4 */
+ unsigned char dom_len; /* fixed value 0x4 */
+ unsigned int dom_val; /* domain id */
+ } __packed * payload_hdr;
+
+ if (CEIL4(xcRB->req_len) < xcRB->req_len)
+ return -EINVAL; /* overflow after alignment*/
+
+ /* length checks */
+ ap_msg->length = sizeof(struct type6_hdr) + xcRB->req_len;
+ if (CEIL4(xcRB->req_len) > MSGTYPE06_MAX_MSG_SIZE -
+ (sizeof(struct type6_hdr)))
+ return -EINVAL;
+
+ if (CEIL4(xcRB->resp_len) < xcRB->resp_len)
+ return -EINVAL; /* overflow after alignment*/
+
+ if (CEIL4(xcRB->resp_len) > MSGTYPE06_MAX_MSG_SIZE -
+ (sizeof(struct type86_fmt2_msg)))
+ return -EINVAL;
+
+ /* prepare type6 header */
+ msg->hdr = static_type6_ep11_hdr;
+ msg->hdr.ToCardLen1 = xcRB->req_len;
+ msg->hdr.FromCardLen1 = xcRB->resp_len;
+
+ /* Import CPRB data from the ioctl input parameter */
+ if (copy_from_user(&(msg->cprbx.cprb_len),
+ (char __force __user *)xcRB->req, xcRB->req_len)) {
+ return -EFAULT;
+ }
+
+ /*
+ The target domain field within the cprb body/payload block will be
+ replaced by the usage domain for non-management commands only.
+ Therefore we check the first bit of the 'flags' parameter for
+ management command indication.
+ 0 - non management command
+ 1 - management command
+ */
+ if (!((msg->cprbx.flags & 0x80) == 0x80)) {
+ msg->cprbx.target_id = (unsigned int)
+ AP_QID_QUEUE(zdev->ap_dev->qid);
+
+ if ((msg->pld_lenfmt & 0x80) == 0x80) { /*ext.len.fmt 2 or 3*/
+ switch (msg->pld_lenfmt & 0x03) {
+ case 1:
+ lfmt = 2;
+ break;
+ case 2:
+ lfmt = 3;
+ break;
+ default:
+ return -EINVAL;
+ }
+ } else {
+ lfmt = 1; /* length format #1 */
+ }
+ payload_hdr = (struct pld_hdr *)((&(msg->pld_lenfmt))+lfmt);
+ payload_hdr->dom_val = (unsigned int)
+ AP_QID_QUEUE(zdev->ap_dev->qid);
+ }
+ return 0;
+}
+
/**
* Copy results from a type 86 ICA reply message back to user space.
*
@@ -377,6 +502,12 @@ struct type86x_reply {
char text[0];
} __packed;
+struct type86_ep11_reply {
+ struct type86_hdr hdr;
+ struct type86_fmt2_ext fmt2;
+ struct ep11_cprb cprbx;
+} __packed;
+
static int convert_type86_ica(struct zcrypt_device *zdev,
struct ap_message *reply,
char __user *outputdata,
@@ -440,6 +571,11 @@ static int convert_type86_ica(struct zcrypt_device *zdev,
if (service_rc == 8 && service_rs == 72)
return -EINVAL;
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+ zdev->ap_dev->qid, zdev->online,
+ msg->hdr.reply_code);
return -EAGAIN; /* repeat the request on a different device. */
}
data = msg->text;
@@ -503,6 +639,33 @@ static int convert_type86_xcrb(struct zcrypt_device *zdev,
return 0;
}
+/**
+ * Copy results from a type 86 EP11 XCRB reply message back to user space.
+ *
+ * @zdev: crypto device pointer
+ * @reply: reply AP message.
+ * @xcRB: pointer to EP11 user request block
+ *
+ * Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
+ */
+static int convert_type86_ep11_xcrb(struct zcrypt_device *zdev,
+ struct ap_message *reply,
+ struct ep11_urb *xcRB)
+{
+ struct type86_fmt2_msg *msg = reply->message;
+ char *data = reply->message;
+
+ if (xcRB->resp_len < msg->fmt2.count1)
+ return -EINVAL;
+
+ /* Copy response CPRB to user */
+ if (copy_to_user((char __force __user *)xcRB->resp,
+ data + msg->fmt2.offset1, msg->fmt2.count1))
+ return -EFAULT;
+ xcRB->resp_len = msg->fmt2.count1;
+ return 0;
+}
+
static int convert_type86_rng(struct zcrypt_device *zdev,
struct ap_message *reply,
char *buffer)
@@ -551,6 +714,10 @@ static int convert_response_ica(struct zcrypt_device *zdev,
* response */
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+ zdev->ap_dev->qid, zdev->online);
return -EAGAIN; /* repeat the request on a different device. */
}
}
@@ -579,10 +746,40 @@ static int convert_response_xcrb(struct zcrypt_device *zdev,
default: /* Unknown response type, this should NEVER EVER happen */
xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+ zdev->ap_dev->qid, zdev->online);
return -EAGAIN; /* repeat the request on a different device. */
}
}
+static int convert_response_ep11_xcrb(struct zcrypt_device *zdev,
+ struct ap_message *reply, struct ep11_urb *xcRB)
+{
+ struct type86_ep11_reply *msg = reply->message;
+
+ /* Response type byte is the second byte in the response. */
+ switch (((unsigned char *)reply->message)[1]) {
+ case TYPE82_RSP_CODE:
+ case TYPE87_RSP_CODE:
+ return convert_error(zdev, reply);
+ case TYPE86_RSP_CODE:
+ if (msg->hdr.reply_code)
+ return convert_error(zdev, reply);
+ if (msg->cprbx.cprb_ver_id == 0x04)
+ return convert_type86_ep11_xcrb(zdev, reply, xcRB);
+ /* Fall through, no break, incorrect cprb version is an unknown resp.*/
+ default: /* Unknown response type, this should NEVER EVER happen */
+ zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+ zdev->ap_dev->qid, zdev->online);
+ return -EAGAIN; /* repeat the request on a different device. */
+ }
+}
+
static int convert_response_rng(struct zcrypt_device *zdev,
struct ap_message *reply,
char *data)
@@ -602,6 +799,10 @@ static int convert_response_rng(struct zcrypt_device *zdev,
* response */
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+ zdev->ap_dev->qid, zdev->online);
return -EAGAIN; /* repeat the request on a different device. */
}
}
@@ -657,6 +858,51 @@ out:
complete(&(resp_type->work));
}
+/**
+ * This function is called from the AP bus code after a crypto request
+ * "msg" has finished with the reply message "reply".
+ * It is called from tasklet context.
+ * @ap_dev: pointer to the AP device
+ * @msg: pointer to the AP message
+ * @reply: pointer to the AP reply message
+ */
+static void zcrypt_msgtype6_receive_ep11(struct ap_device *ap_dev,
+ struct ap_message *msg,
+ struct ap_message *reply)
+{
+ static struct error_hdr error_reply = {
+ .type = TYPE82_RSP_CODE,
+ .reply_code = REP82_ERROR_MACHINE_FAILURE,
+ };
+ struct response_type *resp_type =
+ (struct response_type *)msg->private;
+ struct type86_ep11_reply *t86r;
+ int length;
+
+ /* Copy the reply message to the request message buffer. */
+ if (IS_ERR(reply)) {
+ memcpy(msg->message, &error_reply, sizeof(error_reply));
+ goto out;
+ }
+ t86r = reply->message;
+ if (t86r->hdr.type == TYPE86_RSP_CODE &&
+ t86r->cprbx.cprb_ver_id == 0x04) {
+ switch (resp_type->type) {
+ case PCIXCC_RESPONSE_TYPE_EP11:
+ length = t86r->fmt2.offset1 + t86r->fmt2.count1;
+ length = min(MSGTYPE06_MAX_MSG_SIZE, length);
+ memcpy(msg->message, reply->message, length);
+ break;
+ default:
+ memcpy(msg->message, &error_reply, sizeof(error_reply));
+ }
+ } else {
+ memcpy(msg->message, reply->message, sizeof(error_reply));
+ }
+out:
+ complete(&(resp_type->work));
+}
+
static atomic_t zcrypt_step = ATOMIC_INIT(0);
/**
@@ -782,6 +1028,46 @@ out_free:
}
/**
+ * The request distributor calls this function if it picked the CEX4P
+ * device to handle a send_ep11_cprb request.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ * CEX4P device to the request distributor
+ * @xcRB: pointer to the ep11 user request block
+ */
+static long zcrypt_msgtype6_send_ep11_cprb(struct zcrypt_device *zdev,
+ struct ep11_urb *xcrb)
+{
+ struct ap_message ap_msg;
+ struct response_type resp_type = {
+ .type = PCIXCC_RESPONSE_TYPE_EP11,
+ };
+ int rc;
+
+ ap_init_message(&ap_msg);
+ ap_msg.message = kmalloc(MSGTYPE06_MAX_MSG_SIZE, GFP_KERNEL);
+ if (!ap_msg.message)
+ return -ENOMEM;
+ ap_msg.receive = zcrypt_msgtype6_receive_ep11;
+ ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+ atomic_inc_return(&zcrypt_step);
+ ap_msg.private = &resp_type;
+ rc = xcrb_msg_to_type6_ep11cprb_msgx(zdev, &ap_msg, xcrb);
+ if (rc)
+ goto out_free;
+ init_completion(&resp_type.work);
+ ap_queue_message(zdev->ap_dev, &ap_msg);
+ rc = wait_for_completion_interruptible(&resp_type.work);
+ if (rc == 0)
+ rc = convert_response_ep11_xcrb(zdev, &ap_msg, xcrb);
+ else /* Signal pending. */
+ ap_cancel_message(zdev->ap_dev, &ap_msg);
+
+out_free:
+ kzfree(ap_msg.message);
+ return rc;
+}
+
+/**
* The request distributor calls this function if it picked the PCIXCC/CEX2C
* device to generate random data.
* @zdev: pointer to zcrypt_device structure that identifies the
@@ -839,10 +1125,19 @@ static struct zcrypt_ops zcrypt_msgtype6_ops = {
.rng = zcrypt_msgtype6_rng,
};
+static struct zcrypt_ops zcrypt_msgtype6_ep11_ops = {
+ .owner = THIS_MODULE,
+ .variant = MSGTYPE06_VARIANT_EP11,
+ .rsa_modexpo = NULL,
+ .rsa_modexpo_crt = NULL,
+ .send_ep11_cprb = zcrypt_msgtype6_send_ep11_cprb,
+};
+
int __init zcrypt_msgtype6_init(void)
{
zcrypt_msgtype_register(&zcrypt_msgtype6_norng_ops);
zcrypt_msgtype_register(&zcrypt_msgtype6_ops);
+ zcrypt_msgtype_register(&zcrypt_msgtype6_ep11_ops);
return 0;
}
@@ -850,6 +1145,7 @@ void __exit zcrypt_msgtype6_exit(void)
{
zcrypt_msgtype_unregister(&zcrypt_msgtype6_norng_ops);
zcrypt_msgtype_unregister(&zcrypt_msgtype6_ops);
+ zcrypt_msgtype_unregister(&zcrypt_msgtype6_ep11_ops);
}
module_init(zcrypt_msgtype6_init);
diff --git a/drivers/s390/crypto/zcrypt_msgtype6.h b/drivers/s390/crypto/zcrypt_msgtype6.h
index 1e500d3c073..20724757062 100644
--- a/drivers/s390/crypto/zcrypt_msgtype6.h
+++ b/drivers/s390/crypto/zcrypt_msgtype6.h
@@ -32,6 +32,7 @@
#define MSGTYPE06_NAME "zcrypt_msgtype6"
#define MSGTYPE06_VARIANT_DEFAULT 0
#define MSGTYPE06_VARIANT_NORNG 1
+#define MSGTYPE06_VARIANT_EP11 2
#define MSGTYPE06_MAX_MSG_SIZE (12*1024)
@@ -99,6 +100,7 @@ struct type86_hdr {
} __packed;
#define TYPE86_RSP_CODE 0x86
+#define TYPE87_RSP_CODE 0x87
#define TYPE86_FMT2 0x02
struct type86_fmt2_ext {
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c
index f2b71d8df01..7a743f4c646 100644
--- a/drivers/s390/crypto/zcrypt_pcica.c
+++ b/drivers/s390/crypto/zcrypt_pcica.c
@@ -24,6 +24,9 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#define KMSG_COMPONENT "zcrypt"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
@@ -199,6 +202,10 @@ static int convert_type84(struct zcrypt_device *zdev,
if (t84h->len < sizeof(*t84h) + outputdatalength) {
/* The result is too short, the PCICA card may not do that.. */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+ zdev->ap_dev->qid, zdev->online, t84h->code);
return -EAGAIN; /* repeat the request on a different device. */
}
BUG_ON(t84h->len > PCICA_MAX_RESPONSE_SIZE);
@@ -223,6 +230,10 @@ static int convert_response(struct zcrypt_device *zdev,
outputdata, outputdatalength);
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+ zdev->ap_dev->qid, zdev->online);
return -EAGAIN; /* repeat the request on a different device. */
}
}
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index 0d90a433405..4d14c04b746 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -24,6 +24,9 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#define KMSG_COMPONENT "zcrypt"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/gfp.h>
@@ -372,6 +375,11 @@ static int convert_type86(struct zcrypt_device *zdev,
if (service_rc == 8 && service_rs == 72)
return -EINVAL;
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+ zdev->ap_dev->qid, zdev->online,
+ msg->hdr.reply_code);
return -EAGAIN; /* repeat the request on a different device. */
}
data = msg->text;
@@ -425,6 +433,10 @@ static int convert_response(struct zcrypt_device *zdev,
/* no break, incorrect cprb version is an unknown response */
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
+ pr_err("Cryptographic device %x failed and was set offline\n",
+ zdev->ap_dev->qid);
+ ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+ zdev->ap_dev->qid, zdev->online);
return -EAGAIN; /* repeat the request on a different device. */
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 18:57:32 +0000