From: Alexis Bruemmer <alexisb@us.ibm.com>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: muli@il.ibm.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH 0/2] x86: per-device dma_mapping_ops
Date: Thu, 15 May 2008 11:21:07 -0700 [thread overview]
Message-ID: <1210875668.5596.18.camel@alexis> (raw)
In-Reply-To: <20080515113048P.tomof@acm.org>
On Thu, 2008-05-15 at 11:30 +0900, FUJITA Tomonori wrote:
> On Wed, 14 May 2008 19:00:13 -0700
> Alexis Bruemmer <alexisb@us.ibm.com> wrote:
>
> > On Thu, 2008-05-15 at 10:12 +0900, FUJITA Tomonori wrote:
> > > On Wed, 14 May 2008 08:49:24 +0300
> > > Muli Ben-Yehuda <muli@il.ibm.com> wrote:
> > >
> > > > On Tue, May 13, 2008 at 03:04:50PM +0900, FUJITA Tomonori wrote:
> > <snip>
> > > > Awesome! Much needed, thank you for doing this.
> > >
> > > No problem. Well, as you know, it's just a base. We need more work to
> > > solve the problems on the top of this.
> > Yes thank you!
> > >
> > > I'd like to have a mechanism to register a hook called when a new pci
> > > (or dma capable) device is created. It enables IOMMUs to set up an
> > > appropriate dma_mapping_ops per device. It could also enables us to
> > > simplify the IOMMUs code to initilize devices at startup (for exmple,
> > > intel-iommu checks all the pci devices and creates a domain per device
> > > if necessary).
> > I wanted to try and create a test version of this, at least for the
> > calgary side, but ran into an error with this patch set:
> >
> > Fusion MPT SAS Host driver 3.04.06
> > ACPI: PCI Interrupt 0000:34:00.0[A] -> GSI 142 (level, low) -> IRQ 142
> > mptbase: ioc0: Initiating bringup
> > ioc0: LSISAS1078 C1: Capabilities={Initiator}
> > mptbase: ioc0: PCI-MSI enabled
> > Calgary: DMA error on CalIOC2 PHB 0x33
> > Calgary: 0x02000000@CSR 0x00000000@PLSSR 0xb0008000@CSMR 0x00000000@MCK
> > Calgary: 0x00000000@0x810 0xfee0c000@0x820 0x00000000@0x830
> > 0x00000000@0x840 0x03804a00@0x850 0x00000000@0x860 0x00000000@0x870
> > Calgary: 0x00000000@0xcb0
> > mptbase: ioc0: Initiating recovery
> > mptbase: ioc0: WARNING - Unexpected doorbell active!
> > mptbase: ioc0: WARNING - NOT READY!
> > mptbase: ioc0: WARNING - Cannot recover rc = -1!
> > mptbase: ioc0: WARNING - Firmware Reload FAILED!
> > Clocksource tsc unstable (delta = 48333779773 ns)
> >
> > Not sure what is causing this error, but will keep digging. Any ideas?
>
> Hmm, you don't hit this without my patches, right?
oops, you are right, this failure was due to a .config change not your
patch set (MSI not behaving on MegaRAID). Sorry for the false alarm.
Your patches work as expected.
next prev parent reply other threads:[~2008-05-15 18:25 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-13 6:04 [PATCH 0/2] x86: per-device dma_mapping_ops FUJITA Tomonori
2008-05-13 6:04 ` [PATCH 1/2] add the device argument to dma_mapping_error FUJITA Tomonori
2008-05-13 6:04 ` [PATCH 2/2] x86: per-device dma_mapping_ops support FUJITA Tomonori
2008-05-14 5:55 ` Muli Ben-Yehuda
2008-05-15 20:45 ` Yinghai Lu
2008-05-16 3:44 ` FUJITA Tomonori
2008-05-13 15:39 ` [PATCH 1/2] add the device argument to dma_mapping_error Randy Dunlap
2008-05-15 1:12 ` FUJITA Tomonori
2008-05-14 5:49 ` [PATCH 0/2] x86: per-device dma_mapping_ops Muli Ben-Yehuda
2008-05-15 1:12 ` FUJITA Tomonori
2008-05-15 2:00 ` Alexis Bruemmer
2008-05-15 2:30 ` FUJITA Tomonori
2008-05-15 18:21 ` Alexis Bruemmer [this message]
2008-05-15 15:17 ` Muli Ben-Yehuda
2008-05-15 15:15 ` Muli Ben-Yehuda
2008-05-15 9:01 ` Andi Kleen
2008-05-15 9:16 ` FUJITA Tomonori
2008-05-15 9:30 ` Andi Kleen
2008-05-15 9:41 ` FUJITA Tomonori
2008-05-15 10:48 ` Andi Kleen
2008-05-15 15:32 ` Muli Ben-Yehuda
2008-05-16 3:44 ` FUJITA Tomonori
2008-05-16 5:24 ` Andi Kleen
2008-05-19 6:32 ` FUJITA Tomonori
2008-05-15 15:26 ` Muli Ben-Yehuda
2008-05-15 21:03 ` Andi Kleen
2008-05-15 21:39 ` Muli Ben-Yehuda
2008-05-15 21:45 ` Andi Kleen
2008-05-15 21:53 ` Muli Ben-Yehuda
2008-05-15 22:05 ` Muli Ben-Yehuda
2008-05-15 18:25 ` Alexis Bruemmer
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