From: Muli Ben-Yehuda <muli@il.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: Amit Shah <amit.shah@redhat.com>,
kvm@vger.kernel.org, anthony@codemonkey.ws,
weidong.han@intel.com, allen.m.kay@intel.com,
Ben-Ami Yassour1 <BENAMI@il.ibm.com>
Subject: Re: [PATCH 3/6] qemu: piix: Introduce functions to get pin number from irq and vice versa
Date: Tue, 28 Oct 2008 12:12:52 +0200 [thread overview]
Message-ID: <20081028101252.GG7102@il.ibm.com> (raw)
In-Reply-To: <4904712C.1080307@redhat.com>
On Sun, Oct 26, 2008 at 03:31:24PM +0200, Avi Kivity wrote:
> Amit Shah wrote:
>> +int piix3_get_pin(int pic_irq)
>> +{
>> + int i;
>> + for (i = 0; i < 4; i++)
>> + if (piix3_dev->config[0x60+i] == pic_irq)
>> + return i;
>> + return -1;
>> +}
>>
>
> What happens if two pci interrupts are routed to one irq line?
This one I'm still thinking about.
Cheers,
Muli
--
The First Workshop on I/O Virtualization (WIOV '08)
Dec 2008, San Diego, CA, http://www.usenix.org/wiov08/
<->
SYSTOR 2009---The Israeli Experimental Systems Conference
http://www.haifa.il.ibm.com/conferences/systor2009/
next prev parent reply other threads:[~2008-10-28 10:13 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-24 15:26 [v7] Userspace patches for PCI device assignment Amit Shah
2008-10-24 15:26 ` [PATCH 1/6] KVM/userspace: Device Assignment: Add ioctl wrappers needed for assigning devices Amit Shah
2008-10-24 15:26 ` [PATCH 2/6] qemu: Introduce pci_map_irq to get irq nr from pin number for a PCI device Amit Shah
2008-10-24 15:26 ` [PATCH 3/6] qemu: piix: Introduce functions to get pin number from irq and vice versa Amit Shah
2008-10-24 15:26 ` [PATCH 4/6] KVM/userspace: Build vtd.c for Intel IOMMU support Amit Shah
2008-10-24 15:26 ` [PATCH 5/6] KVM/userspace: Device Assignment: Support for assigning PCI devices to guests Amit Shah
2008-10-24 15:26 ` [PATCH 6/6] KVM/userspace: Device Assignment: Support for hot plugging PCI devices Amit Shah
2008-10-24 16:22 ` [PATCH 5/6] KVM/userspace: Device Assignment: Support for assigning PCI devices to guests Anthony Liguori
2008-10-26 12:54 ` Avi Kivity
2008-10-28 10:11 ` Muli Ben-Yehuda
2008-10-27 1:28 ` Su, Disheng
2008-10-27 6:32 ` Han, Weidong
2008-10-28 10:12 ` Muli Ben-Yehuda
2008-10-26 13:31 ` [PATCH 3/6] qemu: piix: Introduce functions to get pin number from irq and vice versa Avi Kivity
2008-10-28 10:12 ` Muli Ben-Yehuda [this message]
2008-10-28 10:46 ` Avi Kivity
2008-10-28 15:44 ` Muli Ben-Yehuda
2008-10-28 16:21 ` Avi Kivity
2008-10-28 16:45 ` Muli Ben-Yehuda
2008-10-26 13:29 ` [PATCH 1/6] KVM/userspace: Device Assignment: Add ioctl wrappers needed for assigning devices Avi Kivity
2008-10-28 10:13 ` Muli Ben-Yehuda
2008-10-24 15:59 ` [v7] Userspace patches for PCI device assignment Anthony Liguori
2008-10-28 10:13 ` Muli Ben-Yehuda
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