2 * Copyright (C) 2003 - 2006 NetXen, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
23 * Contact Information:
26 * 3965 Freedom Circle, Fourth floor,
27 * Santa Clara, CA 95054
30 #ifndef __NIC_PHAN_REG_H_
31 #define __NIC_PHAN_REG_H_
34 * CRB Registers or queue message done only at initialization time.
38 * The following 2 are the base adresses for the CRB registers and their
39 * offsets will be added to get addresses for the index addresses.
41 #define NIC_CRB_BASE_PORT1 NETXEN_CAM_RAM(0x200)
42 #define NIC_CRB_BASE_PORT2 NETXEN_CAM_RAM(0x250)
44 #define NETXEN_NIC_REG(X) (NIC_CRB_BASE_PORT1+(X))
47 * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address
48 * which can be read by the Phantom host to get producer/consumer indexes from
49 * Phantom/Casper. If it is not HOST_SHARED_MEMORY, then the following
50 * registers will be used for the addresses of the ring's shared memory
54 #define CRB_PHAN_CNTRL_LO_OFFSET NETXEN_NIC_REG(0x00)
55 #define CRB_PHAN_CNTRL_HI_OFFSET NETXEN_NIC_REG(0x04)
57 /* point to the indexes */
58 #define CRB_CMD_PRODUCER_OFFSET NETXEN_NIC_REG(0x08)
59 #define CRB_CMD_CONSUMER_OFFSET NETXEN_NIC_REG(0x0c)
61 /* address of command descriptors in the host memory */
62 #define CRB_HOST_CMD_ADDR_HI NETXEN_NIC_REG(0x30)
63 #define CRB_HOST_CMD_ADDR_LO NETXEN_NIC_REG(0x34)
65 /* The following 4 CRB registers are for doing performance coal */
66 #define CRB_CMD_INTR_LOOP NETXEN_NIC_REG(0x38)
67 #define CRB_CMD_DMA_LOOP NETXEN_NIC_REG(0x3c)
68 #define CRB_RCV_INTR_LOOP NETXEN_NIC_REG(0x40)
69 #define CRB_RCV_DMA_LOOP NETXEN_NIC_REG(0x44)
71 /* Needed by the host to find out the state of Phantom's initialization */
72 #define CRB_ENABLE_TX_INTR NETXEN_NIC_REG(0x4c)
73 #define CRB_CMDPEG_STATE NETXEN_NIC_REG(0x50)
74 #define CRB_CMDPEG_CMDRING NETXEN_NIC_REG(0x54)
76 /* Interrupt coalescing parameters */
77 #define CRB_GLOBAL_INT_COAL NETXEN_NIC_REG(0x80)
78 #define CRB_INT_COAL_MODE NETXEN_NIC_REG(0x84)
79 #define CRB_MAX_RCV_BUFS NETXEN_NIC_REG(0x88)
80 #define CRB_TX_INT_THRESHOLD NETXEN_NIC_REG(0x8c)
81 #define CRB_RX_PKT_TIMER NETXEN_NIC_REG(0x90)
82 #define CRB_TX_PKT_TIMER NETXEN_NIC_REG(0x94)
83 #define CRB_RX_PKT_CNT NETXEN_NIC_REG(0x98)
84 #define CRB_RX_TMR_CNT NETXEN_NIC_REG(0x9c)
86 /* Register for communicating XG link status */
87 #define CRB_XG_STATE NETXEN_NIC_REG(0xa0)
89 /* Debug registers for controlling NIC pkt gen agent */
90 #define CRB_AGENT_GO NETXEN_NIC_REG(0xb0)
91 #define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0xb4)
92 #define CRB_AGENT_TX_TYPE NETXEN_NIC_REG(0xb8)
93 #define CRB_AGENT_TX_ADDR NETXEN_NIC_REG(0xbc)
94 #define CRB_AGENT_TX_MSS NETXEN_NIC_REG(0xc0)
96 /* Debug registers for observing NIC performance */
97 #define CRB_TX_STATE NETXEN_NIC_REG(0xd0)
98 #define CRB_TX_COUNT NETXEN_NIC_REG(0xd4)
99 #define CRB_RX_STATE NETXEN_NIC_REG(0xd8)
101 /* CRB registers per Rcv Descriptor ring */
102 struct netxen_rcv_desc_crb {
103 u32 crb_rcv_producer_offset __attribute__ ((aligned(512)));
104 u32 crb_rcv_consumer_offset;
105 u32 crb_globalrcv_ring;
109 * CRB registers used by the receive peg logic. One instance of these
110 * needs to be instantiated per instance of the receive peg.
113 struct netxen_recv_crb {
114 struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS];
115 u32 crb_rcvstatus_ring;
116 u32 crb_rcv_status_producer;
117 u32 crb_rcv_status_consumer;
118 u32 crb_rcvpeg_state;
121 #if defined(DEFINE_GLOBAL_RECV_CRB)
122 struct netxen_recv_crb recv_crb_registers[] = {
130 /* crb_rcv_producer_offset: */
131 NETXEN_NIC_REG(0x18),
132 /* crb_rcv_consumer_offset: */
133 NETXEN_NIC_REG(0x1c),
134 /* crb_gloablrcv_ring: */
135 NETXEN_NIC_REG(0x20),
139 /* crb_rcv_producer_offset: */
140 NETXEN_NIC_REG(0x100),
141 /* crb_rcv_consumer_offset: */
142 NETXEN_NIC_REG(0x104),
143 /* crb_gloablrcv_ring: */
144 NETXEN_NIC_REG(0x108),
147 /* crb_rcvstatus_ring: */
148 NETXEN_NIC_REG(0x24),
149 /* crb_rcv_status_producer: */
150 NETXEN_NIC_REG(0x28),
151 /* crb_rcv_status_consumer: */
152 NETXEN_NIC_REG(0x2c),
153 /* crb_rcvpeg_state: */
154 NETXEN_NIC_REG(0x48),
164 /* crb_rcv_producer_offset: */
165 NETXEN_NIC_REG(0x80),
166 /* crb_rcv_consumer_offset: */
167 NETXEN_NIC_REG(0x84),
168 /* crb_globalrcv_ring: */
169 NETXEN_NIC_REG(0x88),
173 /* crb_rcv_producer_offset: */
174 NETXEN_NIC_REG(0x10C),
175 /* crb_rcv_consumer_offset: */
176 NETXEN_NIC_REG(0x110),
177 /* crb_globalrcv_ring: */
178 NETXEN_NIC_REG(0x114),
181 /* crb_rcvstatus_ring: */
182 NETXEN_NIC_REG(0x8c),
183 /* crb_rcv_status_producer: */
184 NETXEN_NIC_REG(0x90),
185 /* crb_rcv_status_consumer: */
186 NETXEN_NIC_REG(0x94),
187 /* crb_rcvpeg_state: */
188 NETXEN_NIC_REG(0x98),
192 extern struct netxen_recv_crb recv_crb_registers[];
193 #endif /* DEFINE_GLOBAL_RECEIVE_CRB */
195 #endif /* __NIC_PHAN_REG_H_ */