> -----Original Message----- > From: jakeo@xxxxxxxxxxxxx [mailto:jakeo@xxxxxxxxxxxxx] > Sent: Wednesday, December 9, 2015 2:55 PM > To: gregkh@xxxxxxxxxxxxxxxxxxx; KY Srinivasan <kys@xxxxxxxxxxxxx>; linux- > kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; > apw@xxxxxxxxxxxxx; vkuznets@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; Haiyang > Zhang <haiyangz@xxxxxxxxxxxxx>; marc.zyngier@xxxxxxx; > bhelgaas@xxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx > Cc: Jake Oshins <jakeo@xxxxxxxxxxxxx> > Subject: [PATCH v9 0/7] PCI: hv: New paravirtual PCI front-end for Hyper-V > VMs > > From: Jake Oshins <jakeo@xxxxxxxxxxxxx> > > This version of the patch series removes warning when compiling x86 > 32-bit. > > First, export functions that allow correlating Hyper-V virtual processors > and Linux cpus, along with the means for invoking a hypercall that targets > interrupts at chosen vectors on specific cpus. > > Second, mark various parts of IRQ domain related code as exported, so that > this PCI front-end can implement an IRQ domain as part of a module. (The > alternative would be to pull all tyhis into the kernel, which would pull > in a lot of other Hyper-V related code, as this IRQ domain depends on > vmbus.ko.) > > Third, modify PCI so that new root PCI buses can be marked with an > associated > fwnode_handle, and so that root PCI buses can look up their associated IRQ > domain by that handle. > > Fourth, introduce a new driver, hv_pcifront, which exposes root PCI buses in > a Hyper-V VM. These root PCI buses expose real PCIe device, or PCI Virtual > Functions. > > > Jake Oshins (7): > drivers:hv: Export a function that maps Linux CPU num onto Hyper-V > proc num > drivers:hv: Export hv_do_hypercall() > PCI: Make it possible to implement a PCI MSI IRQ Domain in a module. > PCI: Add fwnode_handle to pci_sysdata > PCI: irqdomain: Look up IRQ domain by fwnode_handle > drivers:hv: Define the channel type of Hyper-V PCI Express > pass-through > PCI: hv: New paravirtual PCI front-end for Hyper-V VMs > > MAINTAINERS | 1 + > arch/x86/include/asm/msi.h | 6 + > arch/x86/include/asm/pci.h | 15 + > arch/x86/kernel/apic/msi.c | 8 +- > arch/x86/kernel/apic/vector.c | 2 + > drivers/hv/hv.c | 20 +- > drivers/hv/hyperv_vmbus.h | 2 +- > drivers/hv/vmbus_drv.c | 17 + > drivers/pci/Kconfig | 7 + > drivers/pci/host/Makefile | 1 + > drivers/pci/host/hv_pcifront.c | 2250 > ++++++++++++++++++++++++++++++++++++++++ > drivers/pci/msi.c | 4 + > drivers/pci/probe.c | 15 + > include/linux/hyperv.h | 14 + > include/linux/pci.h | 4 + > kernel/irq/chip.c | 1 + > kernel/irq/irqdomain.c | 4 + > 17 files changed, 2357 insertions(+), 14 deletions(-) > create mode 100644 drivers/pci/host/hv_pcifront.c > > -- > 1.9.1 Of these 7 patches, Greg has committed all of the VMBUS related supporting patches (3 patches). Thomas, can you take the IRQ related patches through your tree. Regards, K. Y _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
