[PATCH 2.6.17 9/9] NetXen: CRB reg definitions

["Amit S. Kale" <amitkale@netxen.com>]

diff -Narup -X linux-2.6.17.orig/Documentation/dontdiff linux-2.6.17.orig/drivers/net/netxen/netxen_nic_phan_reg.h linux-2.6.17/drivers/net/netxen/netxen_nic_phan_reg.h
--- linux-2.6.17.orig/drivers/net/netxen/netxen_nic_phan_reg.h	1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.17/drivers/net/netxen/netxen_nic_phan_reg.h	2006-08-31 06:17:22.000000000 -0700
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * All rights reserved.
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ */
+
+#ifndef __NIC_PHAN_REG_H_
+#define __NIC_PHAN_REG_H_
+
+/** 
+ * CRB Registers or queue message done only at initialization time....
+ **/
+
+/**
+ * The following 2 are the base adresses for the CRB registers and their
+ * offsets will be added to get addresses for the index addresses.......
+ **/
+#define NIC_CRB_BASE_PORT1	NETXEN_CAM_RAM(0x200)
+#define NIC_CRB_BASE_PORT2	NETXEN_CAM_RAM(0x250)
+
+#define NETXEN_NIC_REG(X)	(NIC_CRB_BASE_PORT1+(X))
+
+/**
+ * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address
+ * which can be read by the Phantom host to get producer/consumer indexes from
+ * Phantom/Casper. If it is not HOST_SHARED_MEMORY, then the following
+ * registers will be used for the addresses of the ring's shared memory
+ * on the Phantom.
+ **/
+
+#define CRB_PHAN_CNTRL_LO_OFFSET	NETXEN_NIC_REG(0x00)
+#define CRB_PHAN_CNTRL_HI_OFFSET	NETXEN_NIC_REG(0x04)
+
+/* point to the indexes */
+#define CRB_CMD_PRODUCER_OFFSET		NETXEN_NIC_REG(0x08)
+#define CRB_CMD_CONSUMER_OFFSET		NETXEN_NIC_REG(0x0c)
+
+/* address of command descriptors in the host memory */
+#define CRB_HOST_CMD_ADDR_HI		NETXEN_NIC_REG(0x30)
+#define CRB_HOST_CMD_ADDR_LO		NETXEN_NIC_REG(0x34)
+
+/* The following 4 CRB registers are for doing performance coal */
+#define CRB_CMD_INTR_LOOP		NETXEN_NIC_REG(0x38)
+#define CRB_CMD_DMA_LOOP		NETXEN_NIC_REG(0x3c)
+#define CRB_RCV_INTR_LOOP		NETXEN_NIC_REG(0x40)
+#define CRB_RCV_DMA_LOOP		NETXEN_NIC_REG(0x44)
+
+/* Needed by the host to find out the state of Phantom's initialization */
+#define CRB_ENABLE_TX_INTR		NETXEN_NIC_REG(0x4c)
+#define CRB_CMDPEG_STATE		NETXEN_NIC_REG(0x50)
+#define CRB_CMDPEG_CMDRING		NETXEN_NIC_REG(0x54)
+
+/* Interrupt coalescing parameters */
+#define CRB_GLOBAL_INT_COAL		NETXEN_NIC_REG(0x80)
+#define CRB_INT_COAL_MODE		NETXEN_NIC_REG(0x84)
+#define CRB_MAX_RCV_BUFS		NETXEN_NIC_REG(0x88)
+#define CRB_TX_INT_THRESHOLD		NETXEN_NIC_REG(0x8c)
+#define CRB_RX_PKT_TIMER		NETXEN_NIC_REG(0x90)
+#define CRB_TX_PKT_TIMER		NETXEN_NIC_REG(0x94)
+#define CRB_RX_PKT_CNT			NETXEN_NIC_REG(0x98)
+#define CRB_RX_TMR_CNT			NETXEN_NIC_REG(0x9c)
+
+/* Register for communicating XG link status */
+#define CRB_XG_STATE			NETXEN_NIC_REG(0xa0)
+
+/* Debug registers for controlling NIC pkt gen agent */
+#define CRB_AGENT_GO			NETXEN_NIC_REG(0xb0)
+#define CRB_AGENT_TX_SIZE		NETXEN_NIC_REG(0xb4)
+#define CRB_AGENT_TX_TYPE		NETXEN_NIC_REG(0xb8)
+#define CRB_AGENT_TX_ADDR		NETXEN_NIC_REG(0xbc)
+#define CRB_AGENT_TX_MSS		NETXEN_NIC_REG(0xc0)
+
+/* Debug registers for observing NIC performance */
+#define CRB_TX_STATE			NETXEN_NIC_REG(0xd0)
+#define CRB_TX_COUNT			NETXEN_NIC_REG(0xd4)
+#define CRB_RX_STATE			NETXEN_NIC_REG(0xd8)
+
+/* CRB registers per Rcv Descriptor ring */
+struct netxen_rcv_desc_crb {
+	u32 crb_rcv_producer_offset __attribute__ ((aligned(512)));
+	u32 crb_rcv_consumer_offset;
+	u32 crb_globalrcv_ring;
+};
+
+/*
+ * CRB registers used by the receive peg logic. One instance of these
+ * needs to be instantiated per instance of the receive peg.
+ */
+
+struct netxen_recv_crb {
+	struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS];
+	u32 crb_rcvstatus_ring;
+	u32 crb_rcv_status_producer;
+	u32 crb_rcv_status_consumer;
+	u32 crb_rcvpeg_state;
+};
+
+#if defined(DEFINE_GLOBAL_RECV_CRB)
+struct netxen_recv_crb recv_crb_registers[] = {
+	/*
+	 * Instance 0.
+	 */
+	{
+	 /* rcv_desc_crb: */
+	 {
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x18),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x1c),
+	   /* crb_gloablrcv_ring: */
+	   NETXEN_NIC_REG(0x20),
+	   },
+	  /* Jumbo frames */
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x100),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x104),
+	   /* crb_gloablrcv_ring: */
+	   NETXEN_NIC_REG(0x108),
+	   }
+	  },
+	 /* crb_rcvstatus_ring: */
+	 NETXEN_NIC_REG(0x24),
+	 /* crb_rcv_status_producer: */
+	 NETXEN_NIC_REG(0x28),
+	 /* crb_rcv_status_consumer: */
+	 NETXEN_NIC_REG(0x2c),
+	 /* crb_rcvpeg_state: */
+	 NETXEN_NIC_REG(0x48),
+
+	 },
+	/*
+	 * Instance 1,
+	 */
+	{
+	 /* rcv_desc_crb: */
+	 {
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x80),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x84),
+	   /* crb_globalrcv_ring: */
+	   NETXEN_NIC_REG(0x88),
+	   },
+	  /* Jumbo frames */
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x10C),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x110),
+	   /* crb_globalrcv_ring: */
+	   NETXEN_NIC_REG(0x114),
+	   }
+	  },
+	 /* crb_rcvstatus_ring: */
+	 NETXEN_NIC_REG(0x8c),
+	 /* crb_rcv_status_producer: */
+	 NETXEN_NIC_REG(0x90),
+	 /* crb_rcv_status_consumer: */
+	 NETXEN_NIC_REG(0x94),
+	 /* crb_rcvpeg_state: */
+	 NETXEN_NIC_REG(0x98),
+	 },
+};
+#else
+extern struct netxen_recv_crb recv_crb_registers[];
+#endif				/* DEFINE_GLOBAL_RECEIVE_CRB */
+
+#endif				/* __NIC_PHAN_REG_H_ */