netdev - [PATCH net-next 6/7] Driver: Vmxnet3: Introduce command to register memory region

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Message-Id: <1462576336-83513-7-git-send-email-skhare@vmware.com>
Date:	Fri,  6 May 2016 16:12:15 -0700
From:	Shrikrishna Khare <skhare@...are.com>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	pv-drivers@...are.com
Cc:	Shrikrishna Khare <skhare@...are.com>,
	Guolin Yang <gyang@...are.com>
Subject: [PATCH net-next 6/7] Driver: Vmxnet3: Introduce command to register memory region

Signed-off-by: Guolin Yang <gyang@...are.com>
Signed-off-by: Shrikrishna Khare <skhare@...are.com>
---
 drivers/net/vmxnet3/vmxnet3_defs.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
index a0fdaac..a336b25 100644
--- a/drivers/net/vmxnet3/vmxnet3_defs.h
+++ b/drivers/net/vmxnet3/vmxnet3_defs.h
@@ -81,6 +81,7 @@ enum {
 	VMXNET3_CMD_RESERVED2,
 	VMXNET3_CMD_RESERVED3,
 	VMXNET3_CMD_SET_COALESCE,
+	VMXNET3_CMD_REGISTER_MEMREGS,
 
 	VMXNET3_CMD_FIRST_GET = 0xF00D0000,
 	VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET,
@@ -668,6 +669,22 @@ struct Vmxnet3_CoalesceScheme {
 	} coalPara;
 };
 
+struct Vmxnet3_MemoryRegion {
+	__le64					startPA;
+	__le32					length;
+	__le16					txQueueBits;
+	__le16					rxQueueBits;
+};
+
+#define MAX_MEMORY_REGION_PER_QUEUE 16
+#define MAX_MEMORY_REGION_PER_DEVICE 256
+
+struct Vmxnet3_MemRegs {
+	__le16					numRegs;
+	__le16					pad[3];
+	struct Vmxnet3_MemoryRegion		memRegs[1];
+};
+
 /* If the command data <= 16 bytes, use the shared memory directly.
  * otherwise, use variable length configuration descriptor.
  */
-- 
1.9.1