diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_phan_reg.h')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_phan_reg.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h new file mode 100644 index 000000000000..863645ed1cd3 --- /dev/null +++ b/drivers/net/netxen/netxen_nic_phan_reg.h @@ -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_ */ |
