From: Stephen Hemminger <stephen@networkplumber.org>
To: "Carew, Alan" <alan.carew@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 00/10] igb_uio patches
Date: Tue, 10 Jun 2014 13:49:02 -0700 [thread overview]
Message-ID: <20140610134902.754d9261@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <0E29434AEE0C3A4180987AB476A6F630593A5F6C@IRSMSX101.ger.corp.intel.com>
On Tue, 10 Jun 2014 19:26:08 +0000
"Carew, Alan" <alan.carew@intel.com> wrote:
> A question then, how does uio_pci_generic handle interrupt modes in terms of userspace interface when determining the configured interrupt mode?
uio_pci_generic only handles INTX disable, and nothing else. It doesn't do MSI
or allow IRQ control.
Also, it doesn't do iomap of resources, so theoretically if IOMMU is enabled
userspace would still not be able to access the resources.
prev parent reply other threads:[~2014-06-10 20:48 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 ` Carew, Alan
2014-06-10 15:59 ` Burakov, Anatoly
[not found] ` <0E29434AEE0C3A4180987AB476A6F630593A5E2D@IRSMSX101.ger.corp.intel.com>
[not found] ` <20140610104035.08d3946a@nehalam.linuxnetplumber.net>
2014-06-10 19:26 ` Carew, Alan
2014-06-10 20:47 ` Stephen Hemminger
2014-06-11 10:30 ` Neil Horman
2014-06-10 20:49 ` Stephen Hemminger [this message]
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