From: Harald Freudenberger <freude@xxxxxxxxxx>
Move all the inline functions from the ap bus header
file ap_asm.h into the in-kernel api header file
arch/s390/include/asm/ap.h so that KVM can make use
of all the low level AP functions.
Signed-off-by: Harald Freudenberger <freude@xxxxxxxxxx>
Signed-off-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx>
---
arch/s390/include/asm/ap.h | 284 ++++++++++++++++++++++++++++++++++++----
drivers/s390/crypto/ap_asm.h | 261 ------------------------------------
drivers/s390/crypto/ap_bus.c | 21 +---
drivers/s390/crypto/ap_bus.h | 1 +
drivers/s390/crypto/ap_card.c | 1 -
drivers/s390/crypto/ap_queue.c | 1 -
6 files changed, 259 insertions(+), 310 deletions(-)
delete mode 100644 drivers/s390/crypto/ap_asm.h
diff --git a/arch/s390/include/asm/ap.h b/arch/s390/include/asm/ap.h
index c1bedb4..046e044 100644
--- a/arch/s390/include/asm/ap.h
+++ b/arch/s390/include/asm/ap.h
@@ -47,6 +47,50 @@ struct ap_queue_status {
};
/**
+ * ap_intructions_available() - Test if AP instructions are available.
+ *
+ * Returns 0 if the AP instructions are installed.
+ */
+static inline int ap_instructions_available(void)
+{
+ register unsigned long reg0 asm ("0") = AP_MKQID(0, 0);
+ register unsigned long reg1 asm ("1") = -ENODEV;
+ register unsigned long reg2 asm ("2");
+
+ asm volatile(
+ " .long 0xb2af0000\n" /* PQAP(TAPQ) */
+ "0: la %0,0\n"
+ "1:\n"
+ EX_TABLE(0b, 1b)
+ : "+d" (reg1), "=d" (reg2)
+ : "d" (reg0)
+ : "cc");
+ return reg1;
+}
+
+/**
+ * ap_tapq(): Test adjunct processor queue.
+ * @qid: The AP queue number
+ * @info: Pointer to queue descriptor
+ *
+ * Returns AP queue status structure.
+ */
+static inline struct ap_queue_status ap_tapq(ap_qid_t qid, unsigned long *info)
+{
+ register unsigned long reg0 asm ("0") = qid;
+ register struct ap_queue_status reg1 asm ("1");
+ register unsigned long reg2 asm ("2");
+
+ asm volatile(".long 0xb2af0000" /* PQAP(TAPQ) */
+ : "=d" (reg1), "=d" (reg2)
+ : "d" (reg0)
+ : "cc");
+ if (info)
+ *info = reg2;
+ return reg1;
+}
+
+/**
* ap_test_queue(): Test adjunct processor queue.
* @qid: The AP queue number
* @tbit: Test facilities bit
@@ -54,10 +98,57 @@ struct ap_queue_status {
*
* Returns AP queue status structure.
*/
-struct ap_queue_status ap_test_queue(ap_qid_t qid,
- int tbit,
- unsigned long *info);
+static inline struct ap_queue_status ap_test_queue(ap_qid_t qid,
+ int tbit,
+ unsigned long *info)
+{
+ if (tbit)
+ qid |= 1UL << 23; /* set T bit*/
+ return ap_tapq(qid, info);
+}
+/**
+ * ap_pqap_rapq(): Reset adjunct processor queue.
+ * @qid: The AP queue number
+ *
+ * Returns AP queue status structure.
+ */
+static inline struct ap_queue_status ap_rapq(ap_qid_t qid)
+{
+ register unsigned long reg0 asm ("0") = qid | (1UL << 24);
+ register struct ap_queue_status reg1 asm ("1");
+
+ asm volatile(
+ ".long 0xb2af0000" /* PQAP(RAPQ) */
+ : "=d" (reg1)
+ : "d" (reg0)
+ : "cc");
+ return reg1;
+}
+
+/**
+ * ap_pqap_zapq(): Reset and zeroize adjunct processor queue.
+ * @qid: The AP queue number
+ *
+ * Returns AP queue status structure.
+ */
+static inline struct ap_queue_status ap_zapq(ap_qid_t qid)
+{
+ register unsigned long reg0 asm ("0") = qid | (2UL << 24);
+ register struct ap_queue_status reg1 asm ("1");
+
+ asm volatile(
+ ".long 0xb2af0000" /* PQAP(ZAPQ) */
+ : "=d" (reg1)
+ : "d" (reg0)
+ : "cc");
+ return reg1;
+}
+
+/**
+ * struct ap_config_info - convenience struct for AP crypto
+ * config info as returned by the ap_qci() function.
+ */
struct ap_config_info {
unsigned int apsc : 1; /* S bit */
unsigned int apxa : 1; /* N bit */
@@ -74,50 +165,189 @@ struct ap_config_info {
unsigned char _reserved4[16];
} __aligned(8);
-/*
- * ap_query_configuration(): Fetch cryptographic config info
+/**
+ * ap_qci(): Get AP configuration data
*
- * Returns the ap configuration info fetched via PQAP(QCI).
- * On success 0 is returned, on failure a negative errno
- * is returned, e.g. if the PQAP(QCI) instruction is not
- * available, the return value will be -EOPNOTSUPP.
+ * Returns 0 on success, or -EOPNOTSUPP.
*/
-int ap_query_configuration(struct ap_config_info *info);
+static inline int ap_qci(struct ap_config_info *config)
+{
+ register unsigned long reg0 asm ("0") = 4UL << 24;
+ register unsigned long reg1 asm ("1") = -EOPNOTSUPP;
+ register struct ap_config_info *reg2 asm ("2") = config;
+
+ asm volatile(
+ ".long 0xb2af0000\n" /* PQAP(QCI) */
+ "0: la %0,0\n"
+ "1:\n"
+ EX_TABLE(0b, 1b)
+ : "+d" (reg1)
+ : "d" (reg0), "d" (reg2)
+ : "cc", "memory");
+
+ return reg1;
+}
/*
* struct ap_qirq_ctrl - convenient struct for easy invocation
- * of the ap_queue_irq_ctrl() function. This struct is passed
- * as GR1 parameter to the PQAP(AQIC) instruction. For details
- * please see the AR documentation.
+ * of the ap_aqic() function. This struct is passed as GR1
+ * parameter to the PQAP(AQIC) instruction. For details please
+ * see the AR documentation.
*/
struct ap_qirq_ctrl {
unsigned int _res1 : 8;
- unsigned int zone : 8; /* zone info */
- unsigned int ir : 1; /* ir flag: enable (1) or disable (0) irq */
+ unsigned int zone : 8; /* zone info */
+ unsigned int ir : 1; /* ir flag: enable (1) or disable (0) irq */
unsigned int _res2 : 4;
- unsigned int gisc : 3; /* guest isc field */
+ unsigned int gisc : 3; /* guest isc field */
unsigned int _res3 : 6;
- unsigned int gf : 2; /* gisa format */
+ unsigned int gf : 2; /* gisa format */
unsigned int _res4 : 1;
- unsigned int gisa : 27; /* gisa origin */
+ unsigned int gisa : 27; /* gisa origin */
unsigned int _res5 : 1;
- unsigned int isc : 3; /* irq sub class */
+ unsigned int isc : 3; /* irq sub class */
};
/**
- * ap_queue_irq_ctrl(): Control interruption on a AP queue.
+ * ap_aqic(): Control interruption for a specific AP.
* @qid: The AP queue number
- * @qirqctrl: struct ap_qirq_ctrl, see above
+ * @qirqctrl: struct ap_qirq_ctrl (64 bit value)
* @ind: The notification indicator byte
*
* Returns AP queue status.
+ */
+static inline struct ap_queue_status ap_aqic(ap_qid_t qid,
+ struct ap_qirq_ctrl qirqctrl,
+ void *ind)
+{
+ register unsigned long reg0 asm ("0") = qid | (3UL << 24);
+ register struct ap_qirq_ctrl reg1_in asm ("1") = qirqctrl;
+ register struct ap_queue_status reg1_out asm ("1");
+ register void *reg2 asm ("2") = ind;
+
+ asm volatile(
+ ".long 0xb2af0000" /* PQAP(AQIC) */
+ : "=d" (reg1_out)
+ : "d" (reg0), "d" (reg1_in), "d" (reg2)
+ : "cc");
+ return reg1_out;
+}
+
+/*
+ * union ap_qact_ap_info - used together with the
+ * ap_aqic() function to provide a convenient way
+ * to handle the ap info needed by the qact function.
+ */
+union ap_qact_ap_info {
+ unsigned long val;
+ struct {
+ unsigned int : 3;
+ unsigned int mode : 3;
+ unsigned int : 26;
+ unsigned int cat : 8;
+ unsigned int : 8;
+ unsigned char ver[2];
+ };
+};
+
+/**
+ * ap_qact(): Query AP combatibility type.
+ * @qid: The AP queue number
+ * @apinfo: On input the info about the AP queue. On output the
+ * alternate AP queue info provided by the qact function
+ * in GR2 is stored in.
*
- * Control interruption on the given AP queue.
- * Just a simple wrapper function for the low level PQAP(AQIC)
- * instruction available for other kernel modules.
+ * Returns AP queue status. Check response_code field for failures.
*/
-struct ap_queue_status ap_queue_irq_ctrl(ap_qid_t qid,
- struct ap_qirq_ctrl qirqctrl,
- void *ind);
+static inline struct ap_queue_status ap_qact(ap_qid_t qid, int ifbit,
+ union ap_qact_ap_info *apinfo)
+{
+ register unsigned long reg0 asm ("0") = qid | (5UL << 24)
+ | ((ifbit & 0x01) << 22);
+ register unsigned long reg1_in asm ("1") = apinfo->val;
+ register struct ap_queue_status reg1_out asm ("1");
+ register unsigned long reg2 asm ("2");
+
+ asm volatile(
+ ".long 0xb2af0000" /* PQAP(QACT) */
+ : "+d" (reg1_in), "=d" (reg1_out), "=d" (reg2)
+ : "d" (reg0)
+ : "cc");
+ apinfo->val = reg2;
+ return reg1_out;
+}
+
+/**
+ * ap_nqap(): Send message to adjunct processor queue.
+ * @qid: The AP queue number
+ * @psmid: The program supplied message identifier
+ * @msg: The message text
+ * @length: The message length
+ *
+ * Returns AP queue status structure.
+ * Condition code 1 on NQAP can't happen because the L bit is 1.
+ * Condition code 2 on NQAP also means the send is incomplete,
+ * because a segment boundary was reached. The NQAP is repeated.
+ */
+static inline struct ap_queue_status ap_nqap(ap_qid_t qid,
+ unsigned long long psmid,
+ void *msg, size_t length)
+{
+ register unsigned long reg0 asm ("0") = qid | 0x40000000UL;
+ register struct ap_queue_status reg1 asm ("1");
+ 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") = psmid & 0xffffffff;
+
+ asm volatile (
+ "0: .long 0xb2ad0042\n" /* NQAP */
+ " brc 2,0b"
+ : "+d" (reg0), "=d" (reg1), "+d" (reg2), "+d" (reg3)
+ : "d" (reg4), "d" (reg5)
+ : "cc", "memory");
+ return reg1;
+}
+
+/**
+ * ap_dqap(): Receive message from adjunct processor queue.
+ * @qid: The AP queue number
+ * @psmid: Pointer to program supplied message identifier
+ * @msg: The message text
+ * @length: The message length
+ *
+ * Returns AP queue status structure.
+ * Condition code 1 on DQAP means the receive has taken place
+ * but only partially. The response is incomplete, hence the
+ * DQAP is repeated.
+ * Condition code 2 on DQAP also means the receive is incomplete,
+ * this time because a segment boundary was reached. Again, the
+ * DQAP is repeated.
+ * Note that gpr2 is used by the DQAP instruction to keep track of
+ * any 'residual' length, in case the instruction gets interrupted.
+ * Hence it gets zeroed before the instruction.
+ */
+static inline struct ap_queue_status ap_dqap(ap_qid_t qid,
+ unsigned long long *psmid,
+ void *msg, size_t length)
+{
+ register unsigned long reg0 asm("0") = qid | 0x80000000UL;
+ register struct ap_queue_status reg1 asm ("1");
+ register unsigned long reg2 asm("2") = 0UL;
+ register unsigned long reg4 asm("4") = (unsigned long) msg;
+ register unsigned long reg5 asm("5") = (unsigned long) length;
+ register unsigned long reg6 asm("6") = 0UL;
+ register unsigned long reg7 asm("7") = 0UL;
+
+
+ asm volatile(
+ "0: .long 0xb2ae0064\n" /* DQAP */
+ " brc 6,0b\n"
+ : "+d" (reg0), "=d" (reg1), "+d" (reg2),
+ "+d" (reg4), "+d" (reg5), "+d" (reg6), "+d" (reg7)
+ : : "cc", "memory");
+ *psmid = (((unsigned long long) reg6) << 32) + reg7;
+ return reg1;
+}
#endif /* _ASM_S390_AP_H_ */
diff --git a/drivers/s390/crypto/ap_asm.h b/drivers/s390/crypto/ap_asm.h
deleted file mode 100644
index e22ee12..0000000
--- a/drivers/s390/crypto/ap_asm.h
+++ /dev/null
@@ -1,261 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright IBM Corp. 2016
- * Author(s): Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
- *
- * Adjunct processor bus inline assemblies.
- */
-
-#ifndef _AP_ASM_H_
-#define _AP_ASM_H_
-
-#include <asm/isc.h>
-
-/**
- * ap_intructions_available() - Test if AP instructions are available.
- *
- * Returns 0 if the AP instructions are installed.
- */
-static inline int ap_instructions_available(void)
-{
- register unsigned long reg0 asm ("0") = AP_MKQID(0, 0);
- register unsigned long reg1 asm ("1") = -ENODEV;
- register unsigned long reg2 asm ("2");
-
- asm volatile(
- " .long 0xb2af0000\n" /* PQAP(TAPQ) */
- "0: la %0,0\n"
- "1:\n"
- EX_TABLE(0b, 1b)
- : "+d" (reg1), "=d" (reg2)
- : "d" (reg0)
- : "cc");
- return reg1;
-}
-
-/**
- * ap_tapq(): Test adjunct processor queue.
- * @qid: The AP queue number
- * @info: Pointer to queue descriptor
- *
- * Returns AP queue status structure.
- */
-static inline struct ap_queue_status ap_tapq(ap_qid_t qid, unsigned long *info)
-{
- register unsigned long reg0 asm ("0") = qid;
- register struct ap_queue_status reg1 asm ("1");
- register unsigned long reg2 asm ("2");
-
- asm volatile(".long 0xb2af0000" /* PQAP(TAPQ) */
- : "=d" (reg1), "=d" (reg2)
- : "d" (reg0)
- : "cc");
- if (info)
- *info = reg2;
- return reg1;
-}
-
-/**
- * ap_pqap_rapq(): Reset adjunct processor queue.
- * @qid: The AP queue number
- *
- * Returns AP queue status structure.
- */
-static inline struct ap_queue_status ap_rapq(ap_qid_t qid)
-{
- register unsigned long reg0 asm ("0") = qid | (1UL << 24);
- register struct ap_queue_status reg1 asm ("1");
-
- asm volatile(
- ".long 0xb2af0000" /* PQAP(RAPQ) */
- : "=d" (reg1)
- : "d" (reg0)
- : "cc");
- return reg1;
-}
-
-/**
- * ap_pqap_zapq(): Reset and zeroize adjunct processor queue.
- * @qid: The AP queue number
- *
- * Returns AP queue status structure.
- */
-static inline struct ap_queue_status ap_zapq(ap_qid_t qid)
-{
- register unsigned long reg0 asm ("0") = qid | (2UL << 24);
- register struct ap_queue_status reg1 asm ("1");
-
- asm volatile(
- ".long 0xb2af0000" /* PQAP(ZAPQ) */
- : "=d" (reg1)
- : "d" (reg0)
- : "cc");
- return reg1;
-}
-
-/**
- * ap_aqic(): Control interruption for a specific AP.
- * @qid: The AP queue number
- * @qirqctrl: struct ap_qirq_ctrl (64 bit value)
- * @ind: The notification indicator byte
- *
- * Returns AP queue status.
- */
-static inline struct ap_queue_status ap_aqic(ap_qid_t qid,
- struct ap_qirq_ctrl qirqctrl,
- void *ind)
-{
- register unsigned long reg0 asm ("0") = qid | (3UL << 24);
- register struct ap_qirq_ctrl reg1_in asm ("1") = qirqctrl;
- register struct ap_queue_status reg1_out asm ("1");
- register void *reg2 asm ("2") = ind;
-
- asm volatile(
- ".long 0xb2af0000" /* PQAP(AQIC) */
- : "=d" (reg1_out)
- : "d" (reg0), "d" (reg1_in), "d" (reg2)
- : "cc");
- return reg1_out;
-}
-
-/**
- * ap_qci(): Get AP configuration data
- *
- * Returns 0 on success, or -EOPNOTSUPP.
- */
-static inline int ap_qci(void *config)
-{
- register unsigned long reg0 asm ("0") = 4UL << 24;
- register unsigned long reg1 asm ("1") = -EINVAL;
- register void *reg2 asm ("2") = (void *) config;
-
- asm volatile(
- ".long 0xb2af0000\n" /* PQAP(QCI) */
- "0: la %0,0\n"
- "1:\n"
- EX_TABLE(0b, 1b)
- : "+d" (reg1)
- : "d" (reg0), "d" (reg2)
- : "cc", "memory");
-
- return reg1;
-}
-
-/*
- * union ap_qact_ap_info - used together with the
- * ap_aqic() function to provide a convenient way
- * to handle the ap info needed by the qact function.
- */
-union ap_qact_ap_info {
- unsigned long val;
- struct {
- unsigned int : 3;
- unsigned int mode : 3;
- unsigned int : 26;
- unsigned int cat : 8;
- unsigned int : 8;
- unsigned char ver[2];
- };
-};
-
-/**
- * ap_qact(): Query AP combatibility type.
- * @qid: The AP queue number
- * @apinfo: On input the info about the AP queue. On output the
- * alternate AP queue info provided by the qact function
- * in GR2 is stored in.
- *
- * Returns AP queue status. Check response_code field for failures.
- */
-static inline struct ap_queue_status ap_qact(ap_qid_t qid, int ifbit,
- union ap_qact_ap_info *apinfo)
-{
- register unsigned long reg0 asm ("0") = qid | (5UL << 24)
- | ((ifbit & 0x01) << 22);
- register unsigned long reg1_in asm ("1") = apinfo->val;
- register struct ap_queue_status reg1_out asm ("1");
- register unsigned long reg2 asm ("2");
-
- asm volatile(
- ".long 0xb2af0000" /* PQAP(QACT) */
- : "+d" (reg1_in), "=d" (reg1_out), "=d" (reg2)
- : "d" (reg0)
- : "cc");
- apinfo->val = reg2;
- return reg1_out;
-}
-
-/**
- * ap_nqap(): Send message to adjunct processor queue.
- * @qid: The AP queue number
- * @psmid: The program supplied message identifier
- * @msg: The message text
- * @length: The message length
- *
- * Returns AP queue status structure.
- * Condition code 1 on NQAP can't happen because the L bit is 1.
- * Condition code 2 on NQAP also means the send is incomplete,
- * because a segment boundary was reached. The NQAP is repeated.
- */
-static inline struct ap_queue_status ap_nqap(ap_qid_t qid,
- unsigned long long psmid,
- void *msg, size_t length)
-{
- register unsigned long reg0 asm ("0") = qid | 0x40000000UL;
- register struct ap_queue_status reg1 asm ("1");
- 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") = psmid & 0xffffffff;
-
- asm volatile (
- "0: .long 0xb2ad0042\n" /* NQAP */
- " brc 2,0b"
- : "+d" (reg0), "=d" (reg1), "+d" (reg2), "+d" (reg3)
- : "d" (reg4), "d" (reg5)
- : "cc", "memory");
- return reg1;
-}
-
-/**
- * ap_dqap(): Receive message from adjunct processor queue.
- * @qid: The AP queue number
- * @psmid: Pointer to program supplied message identifier
- * @msg: The message text
- * @length: The message length
- *
- * Returns AP queue status structure.
- * Condition code 1 on DQAP means the receive has taken place
- * but only partially. The response is incomplete, hence the
- * DQAP is repeated.
- * Condition code 2 on DQAP also means the receive is incomplete,
- * this time because a segment boundary was reached. Again, the
- * DQAP is repeated.
- * Note that gpr2 is used by the DQAP instruction to keep track of
- * any 'residual' length, in case the instruction gets interrupted.
- * Hence it gets zeroed before the instruction.
- */
-static inline struct ap_queue_status ap_dqap(ap_qid_t qid,
- unsigned long long *psmid,
- void *msg, size_t length)
-{
- register unsigned long reg0 asm("0") = qid | 0x80000000UL;
- register struct ap_queue_status reg1 asm ("1");
- register unsigned long reg2 asm("2") = 0UL;
- register unsigned long reg4 asm("4") = (unsigned long) msg;
- register unsigned long reg5 asm("5") = (unsigned long) length;
- register unsigned long reg6 asm("6") = 0UL;
- register unsigned long reg7 asm("7") = 0UL;
-
-
- asm volatile(
- "0: .long 0xb2ae0064\n" /* DQAP */
- " brc 6,0b\n"
- : "+d" (reg0), "=d" (reg1), "+d" (reg2),
- "+d" (reg4), "+d" (reg5), "+d" (reg6), "+d" (reg7)
- : : "cc", "memory");
- *psmid = (((unsigned long long) reg6) << 32) + reg7;
- return reg1;
-}
-
-#endif /* _AP_ASM_H_ */
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 35a0c2b..c0a6723 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -36,7 +36,6 @@
#include <linux/debugfs.h>
#include "ap_bus.h"
-#include "ap_asm.h"
#include "ap_debug.h"
/*
@@ -174,24 +173,6 @@ static inline int ap_qact_available(void)
return 0;
}
-/**
- * ap_test_queue(): Test adjunct processor queue.
- * @qid: The AP queue number
- * @tbit: Test facilities bit
- * @info: Pointer to queue descriptor
- *
- * Returns AP queue status structure.
- */
-struct ap_queue_status ap_test_queue(ap_qid_t qid,
- int tbit,
- unsigned long *info)
-{
- if (tbit)
- qid |= 1UL << 23; /* set T bit*/
- return ap_tapq(qid, info);
-}
-EXPORT_SYMBOL(ap_test_queue);
-
/*
* ap_query_configuration(): Fetch cryptographic config info
*
@@ -200,7 +181,7 @@ struct ap_queue_status ap_test_queue(ap_qid_t qid,
* is returned, e.g. if the PQAP(QCI) instruction is not
* available, the return value will be -EOPNOTSUPP.
*/
-int ap_query_configuration(struct ap_config_info *info)
+static inline int ap_query_configuration(struct ap_config_info *info)
{
if (!ap_configuration_available())
return -EOPNOTSUPP;
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 6a273c5..9365419 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -15,6 +15,7 @@
#include <linux/device.h>
#include <linux/types.h>
+#include <asm/isc.h>
#include <asm/ap.h>
#define AP_DEVICES 256 /* Number of AP devices. */
diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c
index 2c726df..c13e432 100644
--- a/drivers/s390/crypto/ap_card.c
+++ b/drivers/s390/crypto/ap_card.c
@@ -14,7 +14,6 @@
#include <asm/facility.h>
#include "ap_bus.h"
-#include "ap_asm.h"
/*
* AP card related attributes.
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index ba3a2e1..d83c1fa 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -14,7 +14,6 @@
#include <asm/facility.h>
#include "ap_bus.h"
-#include "ap_asm.h"
/**
* ap_queue_irq_ctrl(): Control interruption on a AP queue.
--
1.7.1
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