Displaying 20 results from an estimated 447 matches for "dev_id".
2008 Jan 18
2
[PATCH 2/3] Make IRQ handlers typesafe.
..., 30 insertions(+), 10 deletions(-)
diff -r 0fe1a980708b include/linux/interrupt.h
--- a/include/linux/interrupt.h Thu Jan 17 14:48:56 2008 +1100
+++ b/include/linux/interrupt.h Thu Jan 17 15:42:01 2008 +1100
@@ -69,13 +69,26 @@ struct irqaction {
};
extern irqreturn_t no_action(int cpl, void *dev_id);
-extern int __must_check request_irq(unsigned int, irq_handler_t handler,
+
+/* Typesafe version of request_irq. Also takes old-style void * handlers. */
+#define request_irq(irq, handler, flags, name, dev_id) \
+ __request_irq((irq), \
+ check_either_type((handler), irq_handler_t,...
2008 Jan 18
2
[PATCH 2/3] Make IRQ handlers typesafe.
..., 30 insertions(+), 10 deletions(-)
diff -r 0fe1a980708b include/linux/interrupt.h
--- a/include/linux/interrupt.h Thu Jan 17 14:48:56 2008 +1100
+++ b/include/linux/interrupt.h Thu Jan 17 15:42:01 2008 +1100
@@ -69,13 +69,26 @@ struct irqaction {
};
extern irqreturn_t no_action(int cpl, void *dev_id);
-extern int __must_check request_irq(unsigned int, irq_handler_t handler,
+
+/* Typesafe version of request_irq. Also takes old-style void * handlers. */
+#define request_irq(irq, handler, flags, name, dev_id) \
+ __request_irq((irq), \
+ check_either_type((handler), irq_handler_t,...
2020 Apr 16
1
[PATCH] drm/nouveau: Fix regression by audio component transition
...ot;drm/nouveau: Add HD-audio component
notifier support"), the nouveau driver notifies and pokes the HD-audio
HPD and ELD via audio component, but this seems broken. The culprit
is the naive assumption that crtc->index corresponds to the HDA pin.
Actually this rather corresponds to the MST dev_id (alias "pipe" in
the audio component framework) while the actual port number is given
from the output ior id number.
This patch corrects the assignment of port and dev_id arguments in the
audio component ops to recover from the HDMI/DP audio regression.
Fixes: 742db30c4ee6 ("drm/no...
2013 Dec 15
1
[PATCH v3 [resend] 14/18] smp, x86, xen: kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -123,13 +121,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2013 Dec 15
1
[PATCH v3 [resend] 14/18] smp, x86, xen: kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -123,13 +121,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2013 Dec 15
1
[PATCH v3 [resend] 14/18] smp, x86, xen: kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -123,13 +121,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2020 Aug 21
0
[PATCH v3 2/6] iommu/virtio: Add topology helpers
...36ca6a900c5
--- /dev/null
+++ b/drivers/iommu/virtio/topology-helpers.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef TOPOLOGY_HELPERS_H_
+#define TOPOLOGY_HELPERS_H_
+
+#ifdef CONFIG_VIRTIO_IOMMU_TOPOLOGY_HELPERS
+
+/* Identify a device node in the topology */
+struct virt_topo_dev_id {
+ unsigned int type;
+#define VIRT_TOPO_DEV_TYPE_PCI 1
+#define VIRT_TOPO_DEV_TYPE_MMIO 2
+ union {
+ /* PCI endpoint or range */
+ struct {
+ u16 segment;
+ u16 bdf_start;
+ u16 bdf_end;
+ };
+ /* MMIO region */
+ u64 base;
+ };
+};
+
+/* Specification of an IOMMU */
+struct...
2013 Feb 15
1
[PATCH 7/8] netback: split event channels support
...9ebe21 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -60,7 +60,8 @@ static int xenvif_rx_schedulable(struct xenvif *vif)
return xenvif_schedulable(vif) && !xen_netbk_rx_ring_full(vif);
}
-static irqreturn_t xenvif_interrupt(int irq, void *dev_id)
+/* Tx interrupt handler used when feature-split-event-channels == 1 */
+static irqreturn_t xenvif_tx_interrupt(int tx_irq, void *dev_id)
{
struct xenvif *vif = dev_id;
@@ -69,12 +70,31 @@ static irqreturn_t xenvif_interrupt(int irq, void *dev_id)
xen_netbk_schedule_xenvif(vif);
+ retur...
2012 Jan 05
9
[PATCHv2 0 of 2] Deal with IOMMU faults in softirq context.
Hello everyone,
Reposting with after having applied the (minor) fixes suggested by Wei
and Jan.
Allen, if you can tell us what you think about this, or suggest someone
else to ask some feedback to, if you''re no longer involved with VT-d,
that would be great! :-)
--
As already discussed here [1], dealing with IOMMU faults in interrupt
context may cause nasty things to happen, up to
2020 Sep 04
1
[PATCH v3 2/6] iommu/virtio: Add topology helpers
.../virtio/topology-helpers.h
> @@ -0,0 +1,50 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef TOPOLOGY_HELPERS_H_
> +#define TOPOLOGY_HELPERS_H_
> +
> +#ifdef CONFIG_VIRTIO_IOMMU_TOPOLOGY_HELPERS
> +
> +/* Identify a device node in the topology */
> +struct virt_topo_dev_id {
> + unsigned int type;
> +#define VIRT_TOPO_DEV_TYPE_PCI 1
> +#define VIRT_TOPO_DEV_TYPE_MMIO 2
> + union {
> + /* PCI endpoint or range */
> + struct {
> + u16 segment;
> + u16 bdf_start;
> + u16 bdf_end;
> + };
> + /* MMIO region */
> + u64...
2009 Sep 03
1
fsc branch: loop in pxe_idle_init() on qemu with pcnet card
syslinux-4.00-pre5-10-gdc10f7b locks up on qemu with pcnet card.
The problem seems to be in pxe_idle_init(). Added debug output:
dev_id: 10222000
before while loop h: 10 l: 0
h: 10 l: 0
e: 14e4166a
h modified
h: 350482265 l:0
h seems bogus as there are only 11 entries in pxe_need_idle_drain.
if (e == dev_id) {
found = true;
break;
} else if (e < dev_id) {
l = e+1;
} e...
2013 May 21
1
[PATCH net-next V2 2/2] xen-netfront: split event channels support for Xen frontend driver
...np->netdev->irq);
+ notify_remote_via_irq(np->tx_irq);
u64_stats_update_begin(&stats->syncp);
stats->tx_bytes += skb->len;
@@ -1254,23 +1262,35 @@ static int xennet_set_features(struct net_device *dev,
return 0;
}
-static irqreturn_t xennet_interrupt(int irq, void *dev_id)
+static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = dev_id;
- struct netfront_info *np = netdev_priv(dev);
+ struct netfront_info *np = dev_id;
+ struct net_device *dev = np->netdev;
unsigned long flags;
spin_lock_irqsave(&np->tx_lock, flags...
2013 Mar 12
5
XSA-36 / howto fix broken IVRS ACPI table
...) AMD-Vi: OEM_Id AMD
(XEN) AMD-Vi: OEM_Table_Id RD890S
(XEN) AMD-Vi: OEM_Revision 0x202031
(XEN) AMD-Vi: Creator_Id AMD
(XEN) AMD-Vi: Creator_Revision 0x0
(XEN) AMD-Vi: IVRS Block: type 0x10 flags 0x3e len 0xa0 id 0x2
(XEN) AMD-Vi: IVHD Device Entry: type 0x3 id 0x0 flags 0x0
(XEN) AMD-Vi: Dev_Id Range: 0x0 -> 0x2
(XEN) AMD-Vi: IVHD Device Entry: type 0x2 id 0x10 flags 0x0
(XEN) AMD-Vi: IVHD Device Entry: type 0x3 id 0x100 flags 0x0
(XEN) AMD-Vi: Dev_Id Range: 0x100 -> 0x101
(XEN) AMD-Vi: IVHD Device Entry: type 0x2 id 0x38 flags 0x0
(XEN) AMD-Vi: IVHD Device Entry: type 0x2 id 0x200...
2013 Sep 11
0
[RFC PATCH v2 21/25] smp, tile: kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -123,13 +121,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2013 Sep 11
0
[RFC PATCH v2 21/25] smp, tile: kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -123,13 +121,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2013 Sep 11
0
[RFC PATCH v2 21/25] smp, tile: kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -123,13 +121,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2015 Jan 23
0
[Resend Patch v4 11/16] smp, x86, xen: Kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -136,13 +134,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2015 Jan 23
0
[Resend Patch v4 11/16] smp, x86, xen: Kill SMP single function call interrupt
...DEFINE_PER_CPU(struct xen_common_irq, xen_callfuncsingle_irq) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) = { .irq = -1 };
static DEFINE_PER_CPU(struct xen_common_irq, xen_debug_irq) = { .irq = -1 };
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
/*
@@ -136,13 +134,6 @@ static void xen_smp_intr_free(unsigned int cpu)
kfree(per_cpu(xen_debug_irq, cpu).name);
per_cpu(xen_debug_irq, cpu).n...
2012 Jan 12
9
Re: [PATCH] add netconsole support for xen-netfront
..._irq(&np->tx_lock);
> + spin_unlock_irqrestore(&np->tx_lock, flags);
>
> return NETDEV_TX_OK;
>
> @@ -1228,6 +1229,33 @@ static int xennet_set_features(struct net_device *dev,
> return 0;
> }
>
> +static irqreturn_t xennet_interrupt(int irq, void *dev_id)
> +{
> + struct net_device *dev = dev_id;
> + struct netfront_info *np = netdev_priv(dev);
> + unsigned long flags;
> +
> + spin_lock_irqsave(&np->tx_lock, flags);
> +
> + if (likely(netif_carrier_ok(dev))) {
> + xennet_tx_buf_gc(dev);
> + /* Under tx_lock: p...
2020 Jul 17
0
[PATCH V2 3/6] vDPA: implement IRQ offloading helpers in vDPA core
...calling unset_vq_irq()?
And how can this synchronize with driver releasing and binding?
> +}
> +
> +int vdpa_alloc_vq_irq(struct device *dev, struct vdpa_device *vdev,
> + unsigned int irq, irq_handler_t handler,
> + unsigned long irqflags, const char *devname, void *dev_id,
> + int qid)
Let's add comment as what has been done by other exported helpers.
> +{
> + int ret;
> +
> + ret = devm_request_irq(dev, irq, handler, irqflags, devname, dev_id);
> + if (ret)
> + dev_err(dev, "Failed to request irq for vq %d\n", qid);
&g...