From 3053c762444a83ec6a8777f9476668b23b8ab180 Mon Sep 17 00:00:00 2001 From: Jake Oshins Date: Mon, 14 Dec 2015 16:01:41 -0800 Subject: [PATCH] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through This defines the channel type for PCI front-ends in Hyper-V VMs. Signed-off-by: Jake Oshins Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- drivers/hv/channel_mgmt.c | 3 +++ include/linux/hyperv.h | 11 +++++++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 652afd11a9ef..a77646b4fcc8 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -358,6 +358,7 @@ enum { SCSI, NIC, ND_NIC, + PCIE, MAX_PERF_CHN, }; @@ -375,6 +376,8 @@ static const struct hv_vmbus_device_id hp_devs[] = { { HV_NIC_GUID, }, /* NetworkDirect Guest RDMA */ { HV_ND_GUID, }, + /* PCI Express Pass Through */ + { HV_PCIE_GUID, }, }; diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 24d0b656e6e7..c9a9eed89af2 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1140,6 +1140,17 @@ u64 hv_do_hypercall(u64 control, void *input, void *output); 0xab, 0x99, 0xbd, 0x1f, 0x1c, 0x86, 0xb5, 0x01 \ } +/* + * PCI Express Pass Through + * {44C4F61D-4444-4400-9D52-802E27EDE19F} + */ + +#define HV_PCIE_GUID \ + .guid = { \ + 0x1D, 0xF6, 0xC4, 0x44, 0x44, 0x44, 0x00, 0x44, \ + 0x9D, 0x52, 0x80, 0x2E, 0x27, 0xED, 0xE1, 0x9F \ + } + /* * Common header for Hyper-V ICs */ -- 2.20.1