diff options
Diffstat (limited to 'drivers/xen')
-rw-r--r-- | drivers/xen/events/events_base.c | 41 | ||||
-rw-r--r-- | drivers/xen/pvcalls-back.c | 4 | ||||
-rw-r--r-- | drivers/xen/xen-pciback/xenbus.c | 2 | ||||
-rw-r--r-- | drivers/xen/xen-scsiback.c | 2 |
4 files changed, 28 insertions, 21 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index e850f79351cb..b249f2d6b0cc 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -63,6 +63,7 @@ #include <xen/interface/physdev.h> #include <xen/interface/sched.h> #include <xen/interface/vcpu.h> +#include <xen/xenbus.h> #include <asm/hw_irq.h> #include "events_internal.h" @@ -115,6 +116,7 @@ struct irq_info { unsigned char flags; uint16_t domid; } pirq; + struct xenbus_device *interdomain; } u; }; @@ -313,11 +315,16 @@ static int xen_irq_info_common_setup(struct irq_info *info, } static int xen_irq_info_evtchn_setup(unsigned irq, - evtchn_port_t evtchn) + evtchn_port_t evtchn, + struct xenbus_device *dev) { struct irq_info *info = info_for_irq(irq); + int ret; - return xen_irq_info_common_setup(info, irq, IRQT_EVTCHN, evtchn, 0); + ret = xen_irq_info_common_setup(info, irq, IRQT_EVTCHN, evtchn, 0); + info->u.interdomain = dev; + + return ret; } static int xen_irq_info_ipi_setup(unsigned cpu, @@ -1116,7 +1123,8 @@ int xen_pirq_from_irq(unsigned irq) } EXPORT_SYMBOL_GPL(xen_pirq_from_irq); -static int bind_evtchn_to_irq_chip(evtchn_port_t evtchn, struct irq_chip *chip) +static int bind_evtchn_to_irq_chip(evtchn_port_t evtchn, struct irq_chip *chip, + struct xenbus_device *dev) { int irq; int ret; @@ -1136,7 +1144,7 @@ static int bind_evtchn_to_irq_chip(evtchn_port_t evtchn, struct irq_chip *chip) irq_set_chip_and_handler_name(irq, chip, handle_edge_irq, "event"); - ret = xen_irq_info_evtchn_setup(irq, evtchn); + ret = xen_irq_info_evtchn_setup(irq, evtchn, dev); if (ret < 0) { __unbind_from_irq(irq); irq = ret; @@ -1163,7 +1171,7 @@ out: int bind_evtchn_to_irq(evtchn_port_t evtchn) { - return bind_evtchn_to_irq_chip(evtchn, &xen_dynamic_chip); + return bind_evtchn_to_irq_chip(evtchn, &xen_dynamic_chip, NULL); } EXPORT_SYMBOL_GPL(bind_evtchn_to_irq); @@ -1212,27 +1220,27 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) return irq; } -static int bind_interdomain_evtchn_to_irq_chip(unsigned int remote_domain, +static int bind_interdomain_evtchn_to_irq_chip(struct xenbus_device *dev, evtchn_port_t remote_port, struct irq_chip *chip) { struct evtchn_bind_interdomain bind_interdomain; int err; - bind_interdomain.remote_dom = remote_domain; + bind_interdomain.remote_dom = dev->otherend_id; bind_interdomain.remote_port = remote_port; err = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain, &bind_interdomain); return err ? : bind_evtchn_to_irq_chip(bind_interdomain.local_port, - chip); + chip, dev); } -int bind_interdomain_evtchn_to_irq_lateeoi(unsigned int remote_domain, +int bind_interdomain_evtchn_to_irq_lateeoi(struct xenbus_device *dev, evtchn_port_t remote_port) { - return bind_interdomain_evtchn_to_irq_chip(remote_domain, remote_port, + return bind_interdomain_evtchn_to_irq_chip(dev, remote_port, &xen_lateeoi_chip); } EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irq_lateeoi); @@ -1345,7 +1353,7 @@ static int bind_evtchn_to_irqhandler_chip(evtchn_port_t evtchn, { int irq, retval; - irq = bind_evtchn_to_irq_chip(evtchn, chip); + irq = bind_evtchn_to_irq_chip(evtchn, chip, NULL); if (irq < 0) return irq; retval = request_irq(irq, handler, irqflags, devname, dev_id); @@ -1380,14 +1388,13 @@ int bind_evtchn_to_irqhandler_lateeoi(evtchn_port_t evtchn, EXPORT_SYMBOL_GPL(bind_evtchn_to_irqhandler_lateeoi); static int bind_interdomain_evtchn_to_irqhandler_chip( - unsigned int remote_domain, evtchn_port_t remote_port, + struct xenbus_device *dev, evtchn_port_t remote_port, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id, struct irq_chip *chip) { int irq, retval; - irq = bind_interdomain_evtchn_to_irq_chip(remote_domain, remote_port, - chip); + irq = bind_interdomain_evtchn_to_irq_chip(dev, remote_port, chip); if (irq < 0) return irq; @@ -1400,14 +1407,14 @@ static int bind_interdomain_evtchn_to_irqhandler_chip( return irq; } -int bind_interdomain_evtchn_to_irqhandler_lateeoi(unsigned int remote_domain, +int bind_interdomain_evtchn_to_irqhandler_lateeoi(struct xenbus_device *dev, evtchn_port_t remote_port, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id) { - return bind_interdomain_evtchn_to_irqhandler_chip(remote_domain, + return bind_interdomain_evtchn_to_irqhandler_chip(dev, remote_port, handler, irqflags, devname, dev_id, &xen_lateeoi_chip); } @@ -1679,7 +1686,7 @@ void rebind_evtchn_irq(evtchn_port_t evtchn, int irq) so there should be a proper type */ BUG_ON(info->type == IRQT_UNBOUND); - (void)xen_irq_info_evtchn_setup(irq, evtchn); + (void)xen_irq_info_evtchn_setup(irq, evtchn, NULL); mutex_unlock(&irq_mapping_update_lock); diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index a7d293fa8d14..b47fd8435061 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -348,7 +348,7 @@ static struct sock_mapping *pvcalls_new_active_socket( map->bytes = page; ret = bind_interdomain_evtchn_to_irqhandler_lateeoi( - fedata->dev->otherend_id, evtchn, + fedata->dev, evtchn, pvcalls_back_conn_event, 0, "pvcalls-backend", map); if (ret < 0) goto out; @@ -948,7 +948,7 @@ static int backend_connect(struct xenbus_device *dev) goto error; } - err = bind_interdomain_evtchn_to_irq_lateeoi(dev->otherend_id, evtchn); + err = bind_interdomain_evtchn_to_irq_lateeoi(dev, evtchn); if (err < 0) goto error; fedata->irq = err; diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c index e7c692cfb2cf..5188f02e75fb 100644 --- a/drivers/xen/xen-pciback/xenbus.c +++ b/drivers/xen/xen-pciback/xenbus.c @@ -124,7 +124,7 @@ static int xen_pcibk_do_attach(struct xen_pcibk_device *pdev, int gnt_ref, pdev->sh_info = vaddr; err = bind_interdomain_evtchn_to_irqhandler_lateeoi( - pdev->xdev->otherend_id, remote_evtchn, xen_pcibk_handle_event, + pdev->xdev, remote_evtchn, xen_pcibk_handle_event, 0, DRV_NAME, pdev); if (err < 0) { xenbus_dev_fatal(pdev->xdev, err, diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 862162dca33c..8b59897b2df9 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -799,7 +799,7 @@ static int scsiback_init_sring(struct vscsibk_info *info, grant_ref_t ring_ref, sring = (struct vscsiif_sring *)area; BACK_RING_INIT(&info->ring, sring, PAGE_SIZE); - err = bind_interdomain_evtchn_to_irq_lateeoi(info->domid, evtchn); + err = bind_interdomain_evtchn_to_irq_lateeoi(info->dev, evtchn); if (err < 0) goto unmap_page; |