From: Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxxxxxxxx> Sent: Thursday, October 14, 2021 8:53 AM > > Encapsulate arch dependencies in Hyper-V vPCI through a set of interfaces, > listed below. Adding these arch specific interfaces will allow for an > implementation for other arch, such as ARM64. > > Implement the interfaces for X64, which is essentially just moving over the > current implementation. > > List of added interfaces: > - hv_pci_irqchip_init() > - hv_pci_irqchip_free() > - hv_msi_get_int_vector() > - hv_set_msi_entry_from_desc() > - hv_msi_prepare() > > There are no functional changes expected from this patch. > > Signed-off-by: Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx> > --- > In v2 & v3: > Changes are described in the cover letter. > > MAINTAINERS | 2 + > arch/x86/include/asm/hyperv-tlfs.h | 33 ++++++++++++ > arch/x86/include/asm/mshyperv.h | 7 --- > drivers/pci/controller/Makefile | 2 +- > drivers/pci/controller/pci-hyperv-irqchip.c | 57 +++++++++++++++++++++ > drivers/pci/controller/pci-hyperv-irqchip.h | 20 ++++++++ > drivers/pci/controller/pci-hyperv.c | 52 ++++++++++++------- > include/asm-generic/hyperv-tlfs.h | 33 ------------ > 8 files changed, 146 insertions(+), 60 deletions(-) > create mode 100644 drivers/pci/controller/pci-hyperv-irqchip.c > create mode 100644 drivers/pci/controller/pci-hyperv-irqchip.h > Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>