Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-12-04 Thread Peter Crosthwaite
Hi Gerd, Liming, On Tue, Dec 4, 2012 at 6:15 PM, Gerd Hoffmann wrote: > Hi, > >> Gerd, >> >> Is there any documentation out there on how to tell QEMU on command >> line which EHCI you want your usb-storage to attach to? > > docs/usb2.txt has some examples, although those are pc-centric where th

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-12-04 Thread Gerd Hoffmann
Hi, > Gerd, > > Is there any documentation out there on how to tell QEMU on command > line which EHCI you want your usb-storage to attach to? docs/usb2.txt has some examples, although those are pc-centric where the ehci is created on the command line. The problem with zynx is that both ehci c

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-12-03 Thread walimis
On Tue, Dec 04, 2012 at 03:16:09PM +1000, Peter Crosthwaite wrote: >Hi Liming, Gerd, > >On Tue, Dec 4, 2012 at 12:50 AM, walimis wrote: >> On Mon, Dec 03, 2012 at 01:51:00PM +0100, Gerd Hoffmann wrote: >>> Hi, >>> As said in another mail, I found that the root cause is that xilinx_zynq

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-12-03 Thread Peter Crosthwaite
Hi Liming, Gerd, On Tue, Dec 4, 2012 at 12:50 AM, walimis wrote: > On Mon, Dec 03, 2012 at 01:51:00PM +0100, Gerd Hoffmann wrote: >> Hi, >> >>> As said in another mail, I found that the root cause is that xilinx_zynq has >>> two EHCI controller. If we use usb-storage disk, the disk will be attac

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-12-03 Thread walimis
On Mon, Dec 03, 2012 at 01:51:00PM +0100, Gerd Hoffmann wrote: > Hi, > >> As said in another mail, I found that the root cause is that xilinx_zynq has >> two EHCI controller. If we use usb-storage disk, the disk will be attached to >> the second EHCI controller, which the kernel uses the first EHC

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-12-03 Thread Gerd Hoffmann
Hi, > As said in another mail, I found that the root cause is that xilinx_zynq has > two EHCI controller. If we use usb-storage disk, the disk will be attached to > the second EHCI controller, which the kernel uses the first EHCI controller > by default. For the linux kernel it shouldn't matter

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-12-03 Thread walimis
On Thu, Nov 29, 2012 at 12:05:14PM +1000, Peter Crosthwaite wrote: >On Thu, Nov 29, 2012 at 12:00 PM, walimis wrote: >> On Thu, Nov 29, 2012 at 11:43:18AM +1000, Peter Crosthwaite wrote: >>>This was left as NULL on the initial merge due to debate on the mailing list >>>on >>>how to handle DMA con

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-11-28 Thread Gerd Hoffmann
On 11/29/12 02:43, Peter Crosthwaite wrote: > This was left as NULL on the initial merge due to debate on the mailing list > on > how to handle DMA contexts for sysbus devices. Patch > 9e11908f12f92e31ea94dc2a4c962c836cba9f2a was later merged to fix OHCI. This > is the, > equivalent fix for sysbu

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-11-28 Thread Peter Crosthwaite
On Thu, Nov 29, 2012 at 12:00 PM, walimis wrote: > On Thu, Nov 29, 2012 at 11:43:18AM +1000, Peter Crosthwaite wrote: >>This was left as NULL on the initial merge due to debate on the mailing list >>on >>how to handle DMA contexts for sysbus devices. Patch >>9e11908f12f92e31ea94dc2a4c962c836cba9f

Re: [Qemu-devel] [PATCH 1.3] ehci-sysbus: Attach DMA context.

2012-11-28 Thread walimis
On Thu, Nov 29, 2012 at 11:43:18AM +1000, Peter Crosthwaite wrote: >This was left as NULL on the initial merge due to debate on the mailing list on >how to handle DMA contexts for sysbus devices. Patch >9e11908f12f92e31ea94dc2a4c962c836cba9f2a was later merged to fix OHCI. This is >the, >equivalen