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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-10-03 11:09:16 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-10-03 11:09:16 +0200
commit0d3c24e936feefeca854073ccb40613cd6eba9a9 (patch)
tree1f675397b924846740b0931b066ddce6f3d7eb3d /drivers/s390/crypto/ap_queue.c
parent1af0838de60e723cb02253ecc9b555c30f8f6a6f (diff)
parentebec44a2456fbe5fe18aae88f6010f6878f0cb4a (diff)
downloadtalos-op-linux-0d3c24e936feefeca854073ccb40613cd6eba9a9.tar.gz
talos-op-linux-0d3c24e936feefeca854073ccb40613cd6eba9a9.zip
Merge airlied/drm-next into drm-misc-next
Just catching up with upstream. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/s390/crypto/ap_queue.c')
-rw-r--r--drivers/s390/crypto/ap_queue.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 0f1a5d02acb0..56b96edffd5b 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -16,6 +16,25 @@
#include "ap_asm.h"
/**
+ * ap_queue_irq_ctrl(): Control interruption on a AP queue.
+ * @qirqctrl: struct ap_qirq_ctrl (64 bit value)
+ * @ind: The notification indicator byte
+ *
+ * Returns AP queue status.
+ *
+ * Control interruption on the given AP queue.
+ * Just a simple wrapper function for the low level PQAP(AQIC)
+ * instruction available for other kernel modules.
+ */
+struct ap_queue_status ap_queue_irq_ctrl(ap_qid_t qid,
+ struct ap_qirq_ctrl qirqctrl,
+ void *ind)
+{
+ return ap_aqic(qid, qirqctrl, ind);
+}
+EXPORT_SYMBOL(ap_queue_irq_ctrl);
+
+/**
* ap_queue_enable_interruption(): Enable interruption on an AP queue.
* @qid: The AP queue number
* @ind: the notification indicator byte
@@ -27,8 +46,11 @@
static int ap_queue_enable_interruption(struct ap_queue *aq, void *ind)
{
struct ap_queue_status status;
+ struct ap_qirq_ctrl qirqctrl = { 0 };
- status = ap_aqic(aq->qid, ind);
+ qirqctrl.ir = 1;
+ qirqctrl.isc = AP_ISC;
+ status = ap_aqic(aq->qid, qirqctrl, ind);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
case AP_RESPONSE_OTHERWISE_CHANGED:
@@ -362,7 +384,7 @@ static enum ap_wait ap_sm_setirq_wait(struct ap_queue *aq)
/* Get the status with TAPQ */
status = ap_tapq(aq->qid, NULL);
- if (status.int_enabled == 1) {
+ if (status.irq_enabled == 1) {
/* Irqs are now enabled */
aq->interrupt = AP_INTR_ENABLED;
aq->state = (aq->queue_count > 0) ?
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