/*
* 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_ */
