diff options
| author | Juergen Gross <jgross@suse.com> | 2021-02-11 13:16:13 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-02-12 01:47:00 +0300 |
| commit | f2fa0e5e9f31dd90741f1151043ca1eaa4086690 (patch) | |
| tree | 97860d5510496ed216877f4010e131f8a341e5cf /drivers/net/xen-netback | |
| parent | a3daf3d39132b405781be8d9ede0c449b244b64e (diff) | |
| download | linux-f2fa0e5e9f31dd90741f1151043ca1eaa4086690.tar.xz | |
xen/events: link interdomain events to associated xenbus device
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 <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/xen-netback')
| -rw-r--r-- | drivers/net/xen-netback/interface.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 8e36542fe24d..193b723fe3bd 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 @@ err_deinit: 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; |