diff options
| author | Harald Freudenberger <freude@linux.vnet.ibm.com> | 2016-11-09 15:00:23 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-09-06 09:24:42 +0200 |
| commit | 46fde9a9d204e322cf4fda391c30213633dcc17f (patch) | |
| tree | 1ebd485d7fb7ebd1862011d4caade02a4c211935 /drivers/s390/crypto/ap_asm.h | |
| parent | s390/zcrypt: externalize AP config info query (diff) | |
| download | linux-46fde9a9d204e322cf4fda391c30213633dcc17f.tar.xz linux-46fde9a9d204e322cf4fda391c30213633dcc17f.zip | |
s390/zcrypt: externalize AP queue interrupt control
KVM has a need to control the interrupts on real and virtualized
AP queue devices. This fix provides a new function to control
the interrupt facilities of an AP queue device.
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/ap_asm.h')
| -rw-r--r-- | drivers/s390/crypto/ap_asm.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/s390/crypto/ap_asm.h b/drivers/s390/crypto/ap_asm.h index 287b4ad0999e..cd350345b3d2 100644 --- a/drivers/s390/crypto/ap_asm.h +++ b/drivers/s390/crypto/ap_asm.h @@ -69,16 +69,19 @@ static inline struct ap_queue_status ap_rapq(ap_qid_t qid) } /** - * ap_aqic(): Enable interruption for a specific AP. + * 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, void *ind) +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 unsigned long reg1_in asm ("1") = (8UL << 44) | AP_ISC; + 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; |