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Subject[PATCH net-next v4 6/7] vmxnet3: introduce command to register memory region
Date
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 274e145..c3a3164 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.
*/
--
2.8.2
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