enic: Add support for firmware management device

This patch adds support for firmware management device in enic driver.
A management device is a virtual PCIe device that firmware can present
to the host as its management endpoint. It provides the interface between
the host and adapter firmware for all management operations.

Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/enic/vnic_resource.h b/drivers/net/enic/vnic_resource.h
index 810287beff14..e0a73f1ca6f4 100644
--- a/drivers/net/enic/vnic_resource.h
+++ b/drivers/net/enic/vnic_resource.h
@@ -22,6 +22,11 @@
 
 #define VNIC_RES_MAGIC		0x766E6963L	/* 'vnic' */
 #define VNIC_RES_VERSION	0x00000000L
+#define MGMTVNIC_MAGIC		0x544d474dL	/* 'MGMT' */
+#define MGMTVNIC_VERSION	0x00000000L
+
+/* The MAC address assigned to the CFG vNIC is fixed. */
+#define MGMTVNIC_MAC		{ 0x02, 0x00, 0x54, 0x4d, 0x47, 0x4d }
 
 /* vNIC resource types */
 enum vnic_res_type {
@@ -52,6 +57,14 @@ struct vnic_resource_header {
 	u32 version;
 };
 
+struct mgmt_barmap_hdr {
+	u32 magic;			/* magic number */
+	u32 version;			/* header format version */
+	u16 lif;			/* loopback lif for mgmt frames */
+	u16 pci_slot;			/* installed pci slot */
+	char serial[16];		/* card serial number */
+};
+
 struct vnic_resource {
 	u8 type;
 	u8 bar;