Hi Sheng,
On Mon, Mar 02, 2009 at 04:29:27PM +0800, Sheng Yang wrote:
> This framework can be easily extended to support device capability, like
> MSI/MSI-x.
>
> Signed-off-by: Sheng Yang <[email protected]>
> ---
> qemu/hw/pci.c | 85
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> qemu/hw/pci.h | 30 ++++++++++++++++++++
> 2 files changed, 115 insertions(+), 0 deletions(-)
>
> @@ -205,6 +215,15 @@ struct PCIDevice {
>
> /* Current IRQ levels. Used internally by the generic PCI code. */
> int irq_state[4];
> +
> + /* Device capability configuration space */
> + struct {
> + int supported;
> + uint8_t config[PCI_CAPABILITY_CONFIG_MAX_LENGTH];
> + unsigned int start, length;
> + PCICapConfigReadFunc *config_read;
> + PCICapConfigWriteFunc *config_write;
> + } cap;
> };
Why do you have a copy of the capabilities config space? Why not just
access PCIDevice->config directly?
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