On Mon, Mar 02, 2009 at 04:29:26PM +0800, Sheng Yang wrote:
> Try to figure out device capability in update_dev_cap(). Now we are only care
> about MSI capability.
>
> The function pci_find_cap_offset original function wrote by Allen for Xen.
> Notice the function need root privilege to work. This depends on libpci to work.
>
> Signed-off-by: Allen Kay <allen.m.kay@xxxxxxxxx>
> Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
> ---
> qemu/hw/device-assignment.c | 29 +++++++++++++++++++++++++++++
> qemu/hw/device-assignment.h | 1 +
> 2 files changed, 30 insertions(+), 0 deletions(-)
>
> diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c
> index c9a3b8e..fc05ac7 100644
> --- a/qemu/hw/device-assignment.c
> +++ b/qemu/hw/device-assignment.c
> @@ -219,6 +219,35 @@ static void assigned_dev_ioport_map(PCIDevice *pci_dev, int region_num,
> (r_dev->v_addrs + region_num));
> }
>
> +static uint8_t pci_find_cap_offset(struct pci_dev *pci_dev, uint8_t cap)
> +{
> + int id;
> + int max_cap = 48;
> + int pos = PCI_CAPABILITY_LIST;
Don't you need to handle cardbus capability list offset?
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