[S390] ap: toleration support for ap device type 10

Add toleration support for ap devices with device type 10.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 21 insertions, 1 deletions

diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 08b9738285b4..d960a6309eec 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -6,6 +6,7 @@
  *            Martin Schwidefsky <schwidefsky@de.ibm.com>
  *            Ralph Wuerthner <rwuerthn@de.ibm.com>
  *            Felix Beck <felix.beck@de.ibm.com>
+ *            Holger Dengler <hd@linux.vnet.ibm.com>
  *
  * Adjunct processor bus header file.
  *
@@ -72,7 +73,26 @@ struct ap_queue_status {
         unsigned int int_enabled        : 1;
         unsigned int response_code      : 8;
         unsigned int pad2               : 16;
-};
+} __packed;
+
+#define AP_QUEUE_STATUS_INVALID \
+                { 1, 1, 1, 0xF, 1, 0xFF, 0xFFFF }
+
+static inline
+int ap_queue_status_invalid_test(struct ap_queue_status *status)
+{
+        struct ap_queue_status invalid = AP_QUEUE_STATUS_INVALID;
+        return !(memcmp(status, &invalid, sizeof(struct ap_queue_status)));
+}
+
+#define MAX_AP_FACILITY 31
+
+static inline int test_ap_facility(unsigned int function, unsigned int nr)
+{
+        if (nr > MAX_AP_FACILITY)
+                return 0;
+        return function & (unsigned int)(0x80000000 >> nr);
+}
 
 #define AP_RESPONSE_NORMAL              0x00
 #define AP_RESPONSE_Q_NOT_AVAIL         0x01