Re: [Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

> -Original Message- > From: Anthony PERARD [mailto:anthony.per...@citrix.com] > Sent: 17 May 2018 17:31 > To: Paul Durrant > Cc: xen-de...@lists.xenproject.org; qemu-devel@nongnu.org; Stefano > Stabellini ; Michael S. Tsirkin

Re: [Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

On Thu, May 03, 2018 at 12:18:40PM +0100, Paul Durrant wrote: > This patch removes the current hackery where IOREQ_TYPE_PCI_CONFIG > reqyests are handled by faking PIO to 0xcf8 and 0xcfc and replaces it ^ requests > with direct calls to pci_host_config_read/write_common(). > Doing so

Re: [Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

Anthony, Stefano, Ping? Paul > -Original Message- > From: Paul Durrant [mailto:paul.durr...@citrix.com] > Sent: 03 May 2018 12:19 > To: xen-de...@lists.xenproject.org; qemu-devel@nongnu.org > Cc: Paul Durrant ; Stefano Stabellini > ;

Re: [Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

On Thu, 3 May 2018 12:49:59 + Paul Durrant wrote: >> >This patch removes the current hackery where IOREQ_TYPE_PCI_CONFIG >> >reqyests are handled by faking PIO to 0xcf8 and 0xcfc and replaces >> >it with direct calls to pci_host_config_read/write_common(). >> >Doing

Re: [Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

Habkost > <ehabk...@redhat.com>; Michael S. Tsirkin <m...@redhat.com>; Marcel > Apfelbaum <mar...@redhat.com>; Anthony Perard > <anthony.per...@citrix.com>; Paolo Bonzini <pbonz...@redhat.com>; > Richard Henderson <r...@twiddle.net> > Subject: Re: [Qemu-de

Re: [Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

On Thu, 3 May 2018 12:18:40 +0100 Paul Durrant wrote: >This patch removes the current hackery where IOREQ_TYPE_PCI_CONFIG >reqyests are handled by faking PIO to 0xcf8 and 0xcfc and replaces it >with direct calls to pci_host_config_read/write_common(). >Doing so

Re: [Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

On 03/05/2018 13:18, Paul Durrant wrote: > This patch removes the current hackery where IOREQ_TYPE_PCI_CONFIG > reqyests are handled by faking PIO to 0xcf8 and 0xcfc and replaces it > with direct calls to pci_host_config_read/write_common(). > Doing so necessitates mapping BDFs to PCIDevices but

[Qemu-devel] [PATCH] xen-hvm: stop faking I/O to access PCI config space

This patch removes the current hackery where IOREQ_TYPE_PCI_CONFIG reqyests are handled by faking PIO to 0xcf8 and 0xcfc and replaces it with direct calls to pci_host_config_read/write_common(). Doing so necessitates mapping BDFs to PCIDevices but maintaining a simple QLIST in