[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] ioemu-remote&ioemu: fix offset of MSI-X memorymapped table.
Hi Cui, Thank you for testing. But my FC-HBA(Emulex LPe1150) does not work with this patch, because it is not designed to be virtualized friendly. Thanks, -- Yuji Shimada On Fri, 5 Sep 2008 16:37:45 +0800 "Cui, Dexuan" <dexuan.cui@xxxxxxxxx> wrote: > Great! I can confirm this patch fixes the issue I meet with. > > Thanks! > -- Dexuan > > > -----Original Message----- > From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx > [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Yuji Shimada > Sent: 2008ト\xF3ヤツ5ネユ 15:48 > To: Ian Jackson; Keir Fraser; xen-devel@xxxxxxxxxxxxxxxxxxx > Subject: [Xen-devel] [PATCH] ioemu-remote&ioemu: fix offset of MSI-X > memorymapped table. > > This patch fixes offset of MSI-X memory mapped table. > > Current code does not set dev->msix->table_off variable. > The offset of MSI-X memory mapped table is treated as 0. > The wrong region is unmapped from guest physical memory space. > As a result, guest device driver can't access memory mapped resource. > > The patch fixes this issue. My MegaRAID SAS assigned to guest domain > becomes working with the patch. > > Thanks, > > Signed-off-by: Yuji Shimada <shimada-yxb@xxxxxxxxxxxxxxx> > > diff --git a/hw/pt-msi.c b/hw/pt-msi.c > index 511eb56..c515c02 100644 > --- a/hw/pt-msi.c > +++ b/hw/pt-msi.c > @@ -313,7 +313,7 @@ int pt_msix_init(struct pt_dev *dev, int pos) > > table_off = pci_read_long(pd, pos + PCI_MSIX_TABLE); > bar_index = dev->msix->bar_index = table_off & PCI_MSIX_BIR; > - table_off &= table_off & ~PCI_MSIX_BIR; > + table_off = dev->msix->table_off = table_off & ~PCI_MSIX_BIR; > dev->msix->table_base = dev->pci_dev->base_addr[bar_index]; > PT_LOG("get MSI-X table bar base %llx\n", > (unsigned long long)dev->msix->table_base); > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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