On 31.10.2011, at 04:16, David Gibson wrote: > This patch adds a PCI bus to the pseries machine. This instantiates > the qemu generic PCI bus code, advertises a PCI host bridge in the > guest's device tree and implements the RTAS methods specified by PAPR > to access PCI config space. It also sets up the memory regions we > need to provide windows into the PCI memory and IO space, and > advertises those to the guest. > > However, because qemu can't yet emulate an IOMMU, which is mandatory on > pseries, PCI devices which use DMA (i.e. most of them) will not work with > this code alone. Still, this is enough to support the virtio_pci device > (which probably _should_ use emulated PCI DMA, but is specced to use > direct hypervisor access to guest physical memory instead). > > Signed-off-by: Alexey Kardashevskiy <a...@au1.ibm.com> > Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
Applied with the following patch folded in: diff --git a/hw/spapr_pci.h b/hw/spapr_pci.h index 4bb8dfb..213340c 100644 --- a/hw/spapr_pci.h +++ b/hw/spapr_pci.h @@ -16,14 +16,16 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#if !defined(__HW_SPAPR_H__) +#error Please include spapr.h before this file! +#endif + #if !defined(__HW_SPAPR_PCI_H__) #define __HW_SPAPR_PCI_H__ #include "hw/pci_host.h" #include "hw/xics.h" -typedef struct sPAPREnvironment sPAPREnvironment; - #define SPAPR_PCI_NUM_LSI 16 typedef struct sPAPRPHBState { Alex
