From: Stephen Hemminger <stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public.gmane.org>
To: "Carew, Alan" <alan.carew-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "dev-VfR2kkLFssw@public.gmane.org" <dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: [PATCH 00/10] igb_uio patches
Date: Tue, 10 Jun 2014 13:47:09 -0700 [thread overview]
Message-ID: <20140610134709.03524b62@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <0E29434AEE0C3A4180987AB476A6F630593A5F6C-kPTMFJFq+rF9qrmMLTLiibfspsVTdybXVpNB7YpNyf8@public.gmane.org>
On Tue, 10 Jun 2014 19:26:08 +0000
"Carew, Alan" <alan.carew-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> wrote:
> One alternative for us is then to take Neil Horman's idea of scanning /sys/bus/pci/devices/<D:B:D.F>/msi_irqs/
> This gives us at least (MSI | MSI-X) | INT-X, however the Virtio specification mentions MSI-X explicitly for determining the correct offset and might not address the underlying problem my patch set was addressing, I have not tried Virtio with MSI.
MSI doesn't work with virtio. pci_enable_msi() returns error. The device
does not report MSI capability.
next prev parent reply other threads:[~2014-06-10 20:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20140606212644.203613327@networkplumber.org>
2014-06-10 15:55 ` [PATCH 00/10] igb_uio patches Carew, Alan
[not found] ` <0E29434AEE0C3A4180987AB476A6F630593A5EC8-kPTMFJFq+rF9qrmMLTLiibfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-06-10 15:59 ` Burakov, Anatoly
[not found] ` <0E29434AEE0C3A4180987AB476A6F630593A5E2D@IRSMSX101.ger.corp.intel.com>
[not found] ` <20140610104035.08d3946a@nehalam.linuxnetplumber.net>
[not found] ` <20140610104035.08d3946a-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2014-06-10 19:26 ` Carew, Alan
[not found] ` <0E29434AEE0C3A4180987AB476A6F630593A5F6C-kPTMFJFq+rF9qrmMLTLiibfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-06-10 20:47 ` Stephen Hemminger [this message]
[not found] ` <20140610134709.03524b62-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2014-06-11 10:30 ` Neil Horman
2014-06-10 20:49 ` Stephen Hemminger
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