From: Jake Oshins <jakeo@xxxxxxxxxxxxx>
This defines the channel type for PCI front-ends in Hyper-V VMs.
Signed-off-by: Jake Oshins <jakeo@xxxxxxxxxxxxx>
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
---
drivers/hv/channel_mgmt.c | 3 +++
include/linux/hyperv.h | 11 +++++++++++
2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 652afd1..a77646b 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 ea0a0e3..5587899 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);
}
/*
+ * 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
*/
--
1.7.4.1
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