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From: | Thorsten Kohfeldt |
Subject: | Re: [Qemu-devel] [PATCH] vfio: Fix vfio_rtl8168_quirk_data_read address offset |
Date: | Wed, 12 Oct 2016 20:14:39 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 |
Am 10.10.2016 um 17:18 schrieb Alex Williamson:
On Sun, 9 Oct 2016 19:56:03 +0200 Thorsten Kohfeldt <address@hidden> wrote:From: Thorsten Kohfeldt <address@hidden> Date: Sat, 24 Sep 2016 20:43:20 +0200 Subject: [PATCH] vfio: Fix vfio_rtl8168_quirk_data_read address offset Introductory comment for rtl8168 VFIO MSI-X quirk states: At BAR2 offset 0x70 there is a dword data register, offset 0x74 is a dword address register. vfio: vfio_bar_read(0000:05:00.0:BAR2+0x70, 4) = 0xfee00398 // read data Thus, correct offset for data read is 0x70, but function vfio_rtl8168_quirk_data_read() wrongfully uses offset 0x74. Signed-off-by: Thorsten Kohfeldt <address@hidden>I need a real email address for these, can I replace this with your gmx.de email? Thanks, Alex
Yes, thank you for taking over from here. Regards, Thorsten
--- hw/vfio/pci-quirks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index bec694c..1e97bc4 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -898,7 +898,7 @@ static uint64_t vfio_rtl8168_quirk_data_read(void *opaque, { VFIOrtl8168Quirk *rtl = opaque; VFIOPCIDevice *vdev = rtl->vdev; - uint64_t data = vfio_region_read(&vdev->bars[2].region, addr + 0x74, size); + uint64_t data = vfio_region_read(&vdev->bars[2].region, addr + 0x70, size); if (rtl->enabled && (vdev->pdev.cap_present & QEMU_PCI_CAP_MSIX)) { hwaddr offset = rtl->addr & 0xfff;
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