In order to support the possibility of per-device event channel
settings (e.g. lateeoi spurious event thresholds) add a xenbus device
pointer to struct irq_info() and modify the related event channel
binding interfaces to take the pointer to the xenbus device as a
parameter instead of the domain id of the other side.
While at it remove the stale prototype of bind_evtchn_to_irq_lateeoi().
Signed-off-by: Juergen Gross
Reviewed-by: Boris Ostrovsky
Reviewed-by: Wei Liu
Reviewed-by: Paul Durrant
---
drivers/block/xen-blkback/xenbus.c | 2 +-
drivers/net/xen-netback/interface.c | 16 +--
drivers/xen/events/events_base.c| 41 +
drivers/xen/pvcalls-back.c | 4 +--
drivers/xen/xen-pciback/xenbus.c| 2 +-
drivers/xen/xen-scsiback.c | 2 +-
include/xen/events.h| 7 ++---
7 files changed, 41 insertions(+), 33 deletions(-)
diff --git a/drivers/block/xen-blkback/xenbus.c
b/drivers/block/xen-blkback/xenbus.c
index 9860d4842f36..c2aaf690352c 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -245,7 +245,7 @@ static int xen_blkif_map(struct xen_blkif_ring *ring,
grant_ref_t *gref,
if (req_prod - rsp_prod > size)
goto fail;
- err = bind_interdomain_evtchn_to_irqhandler_lateeoi(blkif->domid,
+ err = bind_interdomain_evtchn_to_irqhandler_lateeoi(blkif->be->dev,
evtchn, xen_blkif_be_int, 0, "blkif-backend", ring);
if (err < 0)
goto fail;
diff --git a/drivers/net/xen-netback/interface.c
b/drivers/net/xen-netback/interface.c
index e02a4fbb74de..50a94e58c150 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -630,13 +630,13 @@ int xenvif_connect_ctrl(struct xenvif *vif, grant_ref_t
ring_ref,
unsigned int evtchn)
{
struct net_device *dev = vif->dev;
+ struct xenbus_device *xendev = xenvif_to_xenbus_device(vif);
void *addr;
struct xen_netif_ctrl_sring *shared;
RING_IDX rsp_prod, req_prod;
int err;
- err = xenbus_map_ring_valloc(xenvif_to_xenbus_device(vif),
-&ring_ref, 1, &addr);
+ err = xenbus_map_ring_valloc(xendev, &ring_ref, 1, &addr);
if (err)
goto err;
@@ -650,7 +650,7 @@ int xenvif_connect_ctrl(struct xenvif *vif, grant_ref_t
ring_ref,
if (req_prod - rsp_prod > RING_SIZE(&vif->ctrl))
goto err_unmap;
- err = bind_interdomain_evtchn_to_irq_lateeoi(vif->domid, evtchn);
+ err = bind_interdomain_evtchn_to_irq_lateeoi(xendev, evtchn);
if (err < 0)
goto err_unmap;
@@ -673,8 +673,7 @@ int xenvif_connect_ctrl(struct xenvif *vif, grant_ref_t
ring_ref,
vif->ctrl_irq = 0;
err_unmap:
- xenbus_unmap_ring_vfree(xenvif_to_xenbus_device(vif),
- vif->ctrl.sring);
+ xenbus_unmap_ring_vfree(xendev, vif->ctrl.sring);
vif->ctrl.sring = NULL;
err:
@@ -719,6 +718,7 @@ int xenvif_connect_data(struct xenvif_queue *queue,
unsigned int tx_evtchn,
unsigned int rx_evtchn)
{
+ struct xenbus_device *dev = xenvif_to_xenbus_device(queue->vif);
struct task_struct *task;
int err;
@@ -755,7 +755,7 @@ int xenvif_connect_data(struct xenvif_queue *queue,
if (tx_evtchn == rx_evtchn) {
/* feature-split-event-channels == 0 */
err = bind_interdomain_evtchn_to_irqhandler_lateeoi(
- queue->vif->domid, tx_evtchn, xenvif_interrupt, 0,
+ dev, tx_evtchn, xenvif_interrupt, 0,
queue->name, queue);
if (err < 0)
goto err;
@@ -766,7 +766,7 @@ int xenvif_connect_data(struct xenvif_queue *queue,
snprintf(queue->tx_irq_name, sizeof(queue->tx_irq_name),
"%s-tx", queue->name);
err = bind_interdomain_evtchn_to_irqhandler_lateeoi(
- queue->vif->domid, tx_evtchn, xenvif_tx_interrupt, 0,
+ dev, tx_evtchn, xenvif_tx_interrupt, 0,
queue->tx_irq_name, queue);
if (err < 0)
goto err;
@@ -776,7 +776,7 @@ int xenvif_connect_data(struct xenvif_queue *queue,
snprintf(queue->rx_irq_name, sizeof(queue->rx_irq_name),
"%s-rx", queue->name);
err = bind_interdomain_evtchn_to_irqhandler_lateeoi(
- queue->vif->domid, rx_evtchn, xenvif_rx_interrupt, 0,
+ dev, rx_evtchn, xenvif_rx_interrupt, 0,
queue->rx_irq_name, queue);
if (err < 0)
goto err;
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 9d7
