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

From Shrikrishna Khare <skhare@vmware.com>
Newsgroups linux.kernel
Subject [PATCH net-next 6/7] Driver: Vmxnet3: Introduce command to register memory region
Date 2016-05-07 01:20 +0200
Message-ID <rvXcm-6kA-33@gated-at.bofh.it> (permalink)
References <rvXcl-6kA-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Signed-off-by: Guolin Yang <gyang@vmware.com>
Signed-off-by: Shrikrishna Khare <skhare@vmware.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

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[PATCH net-next 0/7] Driver: Vmxnet3: Version 3 Shrikrishna Khare <skhare@vmware.com> - 2016-05-07 01:20 +0200
  [PATCH net-next 7/7] Driver: Vmxnet3: Update to Version 3 Shrikrishna Khare <skhare@vmware.com> - 2016-05-07 01:20 +0200
  [PATCH net-next 6/7] Driver: Vmxnet3: Introduce command to register memory region Shrikrishna Khare <skhare@vmware.com> - 2016-05-07 01:20 +0200
  [PATCH net-next 3/7] Driver: Vmxnet3: Allow variable length Transmit Data ring buffer Shrikrishna Khare <skhare@vmware.com> - 2016-05-07 01:20 +0200

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