linux-kernel - [PATCH 1/1] Drivers: hv: vmbus: Add support for the NetworkDirect GUID

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Message-Id: <1422981774-19255-1-git-send-email-kys@microsoft.com>
Date:	Tue,  3 Feb 2015 08:42:54 -0800
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
	vkuznets@...hat.com
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>
Subject: [PATCH 1/1] Drivers: hv: vmbus: Add support for the NetworkDirect GUID

NetworkDirect is a service that supports guest RDMA. Define the GUID for this
service.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
---
 drivers/hv/channel_mgmt.c |    2 ++
 include/linux/hyperv.h    |   10 ++++++++++
 2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 6be93f0..0ba6b5c 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -413,6 +413,8 @@ static const struct hv_vmbus_device_id hp_devs[] = {
 	{ HV_SCSI_GUID, },
 	/* Network */
 	{ HV_NIC_GUID, },
+	/* NetworkDirect Guest RDMA */
+	{ HV_ND_GUID, },
 };
 
 
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index e73cfeb..b079abf 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1110,6 +1110,16 @@ void vmbus_driver_unregister(struct hv_driver *hv_driver);
 		}
 
 /*
+ * NetworkDirect. This is the guest RDMA service.
+ * {8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}
+ */
+#define HV_ND_GUID \
+	.guid = { \
+			0x3d, 0xaf, 0x2e, 0x8c, 0xa7, 0x32, 0x09, 0x4b, \
+			0xab, 0x99, 0xbd, 0x1f, 0x1c, 0x86, 0xb5, 0x01 \
+		}
+
+/*
  * Common header for Hyper-V ICs
  */
 
-- 
1.7.4.1

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