Sai Pavan Boddu <saip...@xilinx.com> writes: > HI Markus, > >> -----Original Message----- >> From: Markus Armbruster <arm...@redhat.com> >> Sent: Friday, June 26, 2020 11:42 AM >> To: Sai Pavan Boddu <saip...@xilinx.com> >> Cc: Peter Maydell <peter.mayd...@linaro.org>; Thomas Huth >> <th...@redhat.com>; Eduardo Habkost <ehabk...@redhat.com>; qemu- >> de...@nongnu.org; Alistair Francis <alistair.fran...@wdc.com>; Gerd >> Hoffmann <kra...@redhat.com>; Paolo Bonzini <pbonz...@redhat.com>; >> Ying Fang <fangyi...@huawei.com>; 'Marc-André Lureau' >> <marcandre.lur...@redhat.com>; 'Philippe Mathieu-Daudé' >> <phi...@redhat.com> >> Subject: Re: [PATCH v2 3/3] usb/hcd-xhci: Split pci wrapper for xhci base >> model >> >> Sai Pavan Boddu <saip...@xilinx.com> writes: >> >> > Hi Markus, >> > >> >> -----Original Message----- >> >> From: Markus Armbruster <arm...@redhat.com> >> >> Sent: Thursday, June 25, 2020 1:42 PM >> >> To: Sai Pavan Boddu <saip...@xilinx.com> >> >> Cc: Gerd Hoffmann <kra...@redhat.com>; Peter Maydell >> >> <peter.mayd...@linaro.org>; Thomas Huth <th...@redhat.com>; >> Eduardo >> >> Habkost <ehabk...@redhat.com>; qemu-devel@nongnu.org; Alistair >> >> Francis <alistair.fran...@wdc.com>; 'Marc-André Lureau' >> >> <marcandre.lur...@redhat.com>; Ying Fang <fangyi...@huawei.com>; >> >> Paolo Bonzini <pbonz...@redhat.com>; 'Philippe Mathieu-Daudé' >> >> <phi...@redhat.com> >> >> Subject: Re: [PATCH v2 3/3] usb/hcd-xhci: Split pci wrapper for xhci >> >> base model >> >> >> >> Sai Pavan Boddu <sai.pavan.bo...@xilinx.com> writes: >> >> >> >> > This patch sets the base to use xhci as sysbus model, for which pci >> >> > specific hooks are moved to hcd-xhci-pci.c. As a part of this >> >> > requirment msi/msix interrupts handling is moved under >> >> > XHCIPCIState, and XHCIState is non qom object, make use of >> >> > 'container_of' calls to retrive XHCIPciState. Made required changes for >> qemu-xhci-nec. >> >> > >> >> > Signed-off-by: Sai Pavan Boddu <sai.pavan.bo...@xilinx.com> >> >> >> >> I can't see a "sysbus model". What I can see is >> >> >> >> TYPE_DEVICE >> >> | >> >> TYPE_PCI_DEVICE >> >> | >> >> TYPE_XHCI_PCI (renamed from TYPE_XHCI) >> >> / \ >> >> TYPE_QEMU_XHCI TYPE_NEC_XHCI >> >> >> >> All but the two leaves are abstract. >> >> >> >> Do you intend to add a "sysbus model" in a future patch? >> > [Sai Pavan Boddu] Yes. I would be sending it along with that a device >> > which would be using it. (i.e for zynqmp soc ) Let me know, if its good to >> include hcd-xhci-sysbus.c here ? >> >> I'm not sure this series is worthwhile this future patch. Up to the >> maintainer. >> >> Here's a clean way to provide different bus connectors (say PCI and >> sysbus) for the same core device: >> >> Make the core device a TYPE_DEVICE. >> >> For each desired bus, have a bus-specific device that contains a core device. >> Use object_initialize_child() for the component. > [Sai Pavan Boddu] This was my V1 implementation. > Changed it to non-qom structure after some feedback from @Gred. Felt like > XHCIState will not be used standalone.
I'll gladly defer to Gerd's judgement here.