On 04.09.14 12:52, frank.blaschka@xxxxxxxxxx wrote: > From: Frank Blaschka <frank.blaschka@xxxxxxxxxx> > > This patch implemets PCI pass-through kernel support for s390. > Design approach is very similar to the x86 device assignment. > User space executes the KVM_ASSIGN_PCI_DEVICE ioctl to create > a proxy instance in the kernel KVM and connect this instance to the > host pci device. s390 pci instructions are intercepted in kernel and > operations are passed directly to the assigned pci device. > To take advantage of all system z specific virtualization features > we need to access the SIE control block residing in KVM. Also we have to > enable z pci devices with special configuration information coming > form the SIE block as well. > > Signed-off-by: Frank Blaschka <frank.blaschka@xxxxxxxxxx> > --- > arch/s390/include/asm/kvm_host.h | 1 > arch/s390/kvm/Makefile | 2 > arch/s390/kvm/intercept.c | 1 > arch/s390/kvm/kvm-s390.c | 33 > arch/s390/kvm/kvm-s390.h | 17 > arch/s390/kvm/pci.c | 2130 +++++++++++++++++++++++++++++++++++++++ > arch/s390/kvm/priv.c | 21 > 7 files changed, 2202 insertions(+), 3 deletions(-) I would love to review this patch, but in its current form it's impossible to do. I can't possibly keep > 2000 lines of code in my head. Alex -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
