From: david.vrabel@citrix.com (David Vrabel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH-WIP 07/13] xen/arm: receive xen events on arm
Date: Fri, 24 Feb 2012 11:12:45 +0000 [thread overview]
Message-ID: <4F4770AD.6040703@citrix.com> (raw)
In-Reply-To: <1330019314-20865-7-git-send-email-stefano.stabellini@eu.citrix.com>
On 23/02/12 17:48, Stefano Stabellini wrote:
> Compile events.c and use IRQ 32 to receive events notifications.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> +#ifdef CONFIG_ARM
> +#define IRQ_EVTCHN_CALLBACK 63
> +irqreturn_t xen_arm_callback(int irq, void *arg)
> +{
> + __xen_evtchn_do_upcall();
> + return 0;
> +}
> +
> +int __init xen_init_IRQ_arm(void)
> +{
> + int rc;
> + xen_init_IRQ();
> + rc = request_irq(IRQ_EVTCHN_CALLBACK, xen_arm_callback,
> + IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TRIGGER_RISING,
> + "events", "events");
> + if (rc) {
> + printk(KERN_ERR "Error requesting IRQ %d\n", IRQ_EVTCHN_CALLBACK);
> + }
> + return rc;
> +}
> +core_initcall(xen_init_IRQ_arm);
> +#endif
You should (eventually) have a device tree binding for the event channel
and use a OF (device tree) device driver instead of this core_initcall()
to register the handler etc.
David
WARNING: multiple messages have this Message-ID (diff)
From: David Vrabel <david.vrabel@citrix.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"linaro-dev@lists.linaro.org" <linaro-dev@lists.linaro.org>,
Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH-WIP 07/13] xen/arm: receive xen events on arm
Date: Fri, 24 Feb 2012 11:12:45 +0000 [thread overview]
Message-ID: <4F4770AD.6040703@citrix.com> (raw)
In-Reply-To: <1330019314-20865-7-git-send-email-stefano.stabellini@eu.citrix.com>
On 23/02/12 17:48, Stefano Stabellini wrote:
> Compile events.c and use IRQ 32 to receive events notifications.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> +#ifdef CONFIG_ARM
> +#define IRQ_EVTCHN_CALLBACK 63
> +irqreturn_t xen_arm_callback(int irq, void *arg)
> +{
> + __xen_evtchn_do_upcall();
> + return 0;
> +}
> +
> +int __init xen_init_IRQ_arm(void)
> +{
> + int rc;
> + xen_init_IRQ();
> + rc = request_irq(IRQ_EVTCHN_CALLBACK, xen_arm_callback,
> + IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TRIGGER_RISING,
> + "events", "events");
> + if (rc) {
> + printk(KERN_ERR "Error requesting IRQ %d\n", IRQ_EVTCHN_CALLBACK);
> + }
> + return rc;
> +}
> +core_initcall(xen_init_IRQ_arm);
> +#endif
You should (eventually) have a device tree binding for the event channel
and use a OF (device tree) device driver instead of this core_initcall()
to register the handler etc.
David
next prev parent reply other threads:[~2012-02-24 11:12 UTC|newest]
Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-23 17:47 [PATCH-WIP 00/13] xen/arm: receive Xen events and initialize xenbus Stefano Stabellini
2012-02-23 17:47 ` Stefano Stabellini
2012-02-23 17:47 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-27 16:27 ` Ian Campbell
2012-02-27 16:27 ` Ian Campbell
2012-02-27 18:03 ` Dave Martin
2012-02-27 18:03 ` Dave Martin
2012-02-27 18:03 ` Dave Martin
2012-02-27 19:33 ` Ian Campbell
2012-02-27 19:33 ` Ian Campbell
2012-02-28 10:20 ` Dave Martin
2012-02-28 10:20 ` Dave Martin
2012-02-28 10:20 ` Dave Martin
2012-02-28 10:48 ` Ian Campbell
2012-02-28 10:48 ` Ian Campbell
2012-02-28 12:28 ` Stefano Stabellini
2012-02-28 12:28 ` Stefano Stabellini
2012-02-28 12:28 ` Stefano Stabellini
2012-02-29 9:34 ` Dave Martin
2012-02-29 9:34 ` Dave Martin
2012-02-29 9:34 ` Dave Martin
2012-02-29 9:56 ` Ian Campbell
2012-02-29 9:56 ` Ian Campbell
2012-02-29 9:56 ` Ian Campbell
2012-02-29 11:47 ` Dave Martin
2012-02-29 11:47 ` Dave Martin
2012-02-29 12:58 ` Dave Martin
2012-02-29 12:58 ` Dave Martin
2012-02-29 12:58 ` Dave Martin
2012-02-29 14:44 ` Ian Campbell
2012-02-29 14:44 ` Ian Campbell
2012-03-01 9:35 ` Dave Martin
2012-03-01 9:35 ` Dave Martin
2012-03-01 9:35 ` Dave Martin
2012-03-01 10:12 ` Russell King - ARM Linux
2012-03-01 10:12 ` Russell King - ARM Linux
2012-03-02 21:19 ` Nicolas Pitre
2012-03-02 21:19 ` Nicolas Pitre
2012-02-29 14:52 ` Stefano Stabellini
2012-02-29 14:52 ` Stefano Stabellini
2012-03-01 9:51 ` Dave Martin
2012-03-01 9:51 ` Dave Martin
2012-03-01 9:51 ` Dave Martin
2012-03-01 10:10 ` Russell King - ARM Linux
2012-03-01 10:10 ` Russell King - ARM Linux
2012-03-01 10:27 ` Dave Martin
2012-03-01 10:27 ` Dave Martin
2012-03-01 10:27 ` Dave Martin
2012-03-01 10:35 ` Russell King - ARM Linux
2012-03-01 10:35 ` Russell King - ARM Linux
2012-03-01 12:12 ` Stefano Stabellini
2012-03-01 12:12 ` Stefano Stabellini
2012-03-01 12:12 ` Stefano Stabellini
2012-03-02 21:15 ` Nicolas Pitre
2012-03-02 21:15 ` Nicolas Pitre
2012-03-02 21:15 ` Nicolas Pitre
2012-03-08 9:58 ` Richard Earnshaw
2012-03-08 9:58 ` Richard Earnshaw
2012-03-08 12:17 ` Dave Martin
2012-03-08 12:17 ` Dave Martin
2012-03-08 17:21 ` Nicolas Pitre
2012-03-08 17:21 ` Nicolas Pitre
2012-03-08 18:47 ` Richard Earnshaw
2012-03-08 18:47 ` Richard Earnshaw
2012-03-08 18:47 ` Richard Earnshaw
2012-03-09 15:58 ` Dave Martin
2012-03-09 15:58 ` Dave Martin
2012-03-09 15:58 ` Dave Martin
2012-03-09 16:20 ` Nicolas Pitre
2012-03-09 16:20 ` Nicolas Pitre
2012-03-09 17:38 ` Richard Earnshaw
2012-03-09 17:38 ` Richard Earnshaw
2012-03-09 17:38 ` Richard Earnshaw
2012-02-27 21:05 ` Peter Maydell
2012-02-27 21:05 ` Peter Maydell
2012-02-27 21:05 ` Peter Maydell
2012-02-28 10:12 ` Ian Campbell
2012-02-28 10:12 ` Ian Campbell
2012-02-27 17:53 ` Dave Martin
2012-02-27 17:53 ` Dave Martin
2012-02-27 17:53 ` Dave Martin
2012-02-27 19:48 ` Ian Campbell
2012-02-27 19:48 ` Ian Campbell
2012-02-28 9:46 ` Dave Martin
2012-02-28 9:46 ` Dave Martin
2012-02-28 9:46 ` Dave Martin
2012-02-28 10:07 ` Ian Campbell
2012-02-28 10:07 ` Ian Campbell
2012-02-28 12:21 ` Stefano Stabellini
2012-02-28 12:21 ` Stefano Stabellini
2012-02-28 12:21 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 02/13] xen/arm: introduce privcmp, physdev_op and memory_op hypercalls Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 03/13] xen/arm: mmu.h and page.h related definitions Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 04/13] xen/arm: sync_bitops Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 05/13] xen/arm: empty implementation of grant_table arch specific functions Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 06/13] xen/arm: missing includes Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 07/13] xen/arm: receive xen events on arm Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-24 11:12 ` David Vrabel [this message]
2012-02-24 11:12 ` David Vrabel
2012-02-24 12:23 ` Stefano Stabellini
2012-02-24 12:23 ` Stefano Stabellini
2012-02-24 12:23 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 08/13] xen/arm: fix arm xen guest handle definitions Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 09/13] xen/arm: shared_info and start_info Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 10/13] xen/arm: empty implementation of xen_remap_domain_mfn_range Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 11/13] xen/arm: Introduce xen_pfn_t for pfn and mfn types Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 12/13] xen/arm: compile and run xenbus Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` [PATCH-WIP 13/13] xen/arm: compile grant-table features events and xenbus, do not compile pci Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
2012-02-23 17:48 ` Stefano Stabellini
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