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1da177e4 LT |
1 | /* |
2 | * lanstreamer.h -- driver for the IBM Auto LANStreamer PCI Adapter | |
3 | * | |
4 | * Written By: Mike Sullivan, IBM Corporation | |
5 | * | |
6 | * Copyright (C) 1999 IBM Corporation | |
7 | * | |
8 | * Linux driver for IBM PCI tokenring cards based on the LanStreamer MPC | |
9 | * chipset. | |
10 | * | |
11 | * This driver is based on the olympic driver for IBM PCI TokenRing cards (Pit/Pit-Phy/Olympic | |
12 | * chipsets) written by: | |
13 | * 1999 Peter De Schrijver All Rights Reserved | |
14 | * 1999 Mike Phillips (phillim@amtrak.com) | |
15 | * | |
16 | * Base Driver Skeleton: | |
17 | * Written 1993-94 by Donald Becker. | |
18 | * | |
19 | * Copyright 1993 United States Government as represented by the | |
20 | * Director, National Security Agency. | |
21 | * | |
22 | * This program is free software; you can redistribute it and/or modify | |
23 | * it under the terms of the GNU General Public License as published by | |
24 | * the Free Software Foundation; either version 2 of the License, or | |
25 | * (at your option) any later version. | |
26 | * | |
27 | * This program is distributed in the hope that it will be useful, | |
28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | * GNU General Public License for more details. | |
31 | * | |
32 | * NO WARRANTY | |
33 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
34 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
35 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
36 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
37 | * solely responsible for determining the appropriateness of using and | |
38 | * distributing the Program and assumes all risks associated with its | |
39 | * exercise of rights under this Agreement, including but not limited to | |
40 | * the risks and costs of program errors, damage to or loss of data, | |
41 | * programs or equipment, and unavailability or interruption of operations. | |
42 | * | |
43 | * DISCLAIMER OF LIABILITY | |
44 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
45 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
47 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
48 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
49 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
50 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
51 | * | |
52 | * You should have received a copy of the GNU General Public License | |
53 | * along with this program; if not, write to the Free Software | |
54 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
55 | * | |
56 | * | |
57 | * 12/10/99 - Alpha Release 0.1.0 | |
58 | * First release to the public | |
59 | * 08/15/01 - Added ioctl() definitions and others - Kent Yoder <yoder1@us.ibm.com> | |
60 | * | |
61 | */ | |
62 | ||
1da177e4 LT |
63 | /* MAX_INTR - the maximum number of times we can loop |
64 | * inside the interrupt function before returning | |
65 | * control to the OS (maximum value is 256) | |
66 | */ | |
67 | #define MAX_INTR 5 | |
68 | ||
69 | #define CLS 0x0C | |
70 | #define MLR 0x86 | |
71 | #define LTR 0x0D | |
72 | ||
73 | #define BCTL 0x60 | |
74 | #define BCTL_SOFTRESET (1<<15) | |
75 | #define BCTL_RX_FIFO_8 (1<<1) | |
76 | #define BCTL_TX_FIFO_8 (1<<3) | |
77 | ||
78 | #define GPR 0x4a | |
79 | #define GPR_AUTOSENSE (1<<2) | |
80 | #define GPR_16MBPS (1<<3) | |
81 | ||
82 | #define LISR 0x10 | |
83 | #define LISR_SUM 0x12 | |
84 | #define LISR_RUM 0x14 | |
85 | ||
86 | #define LISR_LIE (1<<15) | |
87 | #define LISR_SLIM (1<<13) | |
88 | #define LISR_SLI (1<<12) | |
89 | #define LISR_BPEI (1<<9) | |
90 | #define LISR_BPE (1<<8) | |
91 | #define LISR_SRB_CMD (1<<5) | |
92 | #define LISR_ASB_REPLY (1<<4) | |
93 | #define LISR_ASB_FREE_REQ (1<<2) | |
94 | #define LISR_ARB_FREE (1<<1) | |
95 | #define LISR_TRB_FRAME (1<<0) | |
96 | ||
97 | #define SISR 0x16 | |
98 | #define SISR_SUM 0x18 | |
99 | #define SISR_RUM 0x1A | |
100 | #define SISR_MASK 0x54 | |
101 | #define SISR_MASK_SUM 0x56 | |
102 | #define SISR_MASK_RUM 0x58 | |
103 | ||
104 | #define SISR_MI (1<<15) | |
105 | #define SISR_SERR_ERR (1<<14) | |
106 | #define SISR_TIMER (1<<11) | |
107 | #define SISR_LAP_PAR_ERR (1<<10) | |
108 | #define SISR_LAP_ACC_ERR (1<<9) | |
109 | #define SISR_PAR_ERR (1<<8) | |
110 | #define SISR_ADAPTER_CHECK (1<<6) | |
111 | #define SISR_SRB_REPLY (1<<5) | |
112 | #define SISR_ASB_FREE (1<<4) | |
113 | #define SISR_ARB_CMD (1<<3) | |
114 | #define SISR_TRB_REPLY (1<<2) | |
115 | ||
116 | #define MISR_RUM 0x5A | |
117 | #define MISR_MASK 0x5C | |
118 | #define MISR_MASK_RUM 0x5E | |
119 | ||
120 | #define MISR_TX2_IDLE (1<<15) | |
121 | #define MISR_TX2_NO_STATUS (1<<14) | |
122 | #define MISR_TX2_HALT (1<<13) | |
123 | #define MISR_TX2_EOF (1<<12) | |
124 | #define MISR_TX1_IDLE (1<<11) | |
125 | #define MISR_TX1_NO_STATUS (1<<10) | |
126 | #define MISR_TX1_HALT (1<<9) | |
127 | #define MISR_TX1_EOF (1<<8) | |
128 | #define MISR_RX_NOBUF (1<<5) | |
129 | #define MISR_RX_EOB (1<<4) | |
130 | #define MISR_RX_NO_STATUS (1<<2) | |
131 | #define MISR_RX_HALT (1<<1) | |
132 | #define MISR_RX_EOF (1<<0) | |
133 | ||
134 | #define LAPA 0x62 | |
135 | #define LAPE 0x64 | |
136 | #define LAPD 0x66 | |
137 | #define LAPDINC 0x68 | |
138 | #define LAPWWO 0x6A | |
139 | #define LAPWWC 0x6C | |
140 | #define LAPCTL 0x6E | |
141 | ||
142 | #define TIMER 0x4E4 | |
143 | ||
144 | #define BMCTL_SUM 0x50 | |
145 | #define BMCTL_RUM 0x52 | |
146 | #define BMCTL_TX1_DIS (1<<14) | |
147 | #define BMCTL_TX2_DIS (1<<10) | |
148 | #define BMCTL_RX_DIS (1<<6) | |
149 | #define BMCTL_RX_ENABLED (1<<5) | |
150 | ||
151 | #define RXLBDA 0x90 | |
152 | #define RXBDA 0x94 | |
153 | #define RXSTAT 0x98 | |
154 | #define RXDBA 0x9C | |
155 | ||
156 | #define TX1LFDA 0xA0 | |
157 | #define TX1FDA 0xA4 | |
158 | #define TX1STAT 0xA8 | |
159 | #define TX1DBA 0xAC | |
160 | #define TX2LFDA 0xB0 | |
161 | #define TX2FDA 0xB4 | |
162 | #define TX2STAT 0xB8 | |
163 | #define TX2DBA 0xBC | |
164 | ||
165 | #define STREAMER_IO_SPACE 256 | |
166 | ||
167 | #define SRB_COMMAND_SIZE 50 | |
168 | ||
169 | #define STREAMER_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */ | |
170 | ||
171 | /* Defines for LAN STATUS CHANGE reports */ | |
172 | #define LSC_SIG_LOSS 0x8000 | |
173 | #define LSC_HARD_ERR 0x4000 | |
174 | #define LSC_SOFT_ERR 0x2000 | |
175 | #define LSC_TRAN_BCN 0x1000 | |
176 | #define LSC_LWF 0x0800 | |
177 | #define LSC_ARW 0x0400 | |
178 | #define LSC_FPE 0x0200 | |
179 | #define LSC_RR 0x0100 | |
180 | #define LSC_CO 0x0080 | |
181 | #define LSC_SS 0x0040 | |
182 | #define LSC_RING_REC 0x0020 | |
183 | #define LSC_SR_CO 0x0010 | |
184 | #define LSC_FDX_MODE 0x0004 | |
185 | ||
186 | /* Defines for OPEN ADAPTER command */ | |
187 | ||
188 | #define OPEN_ADAPTER_EXT_WRAP (1<<15) | |
189 | #define OPEN_ADAPTER_DIS_HARDEE (1<<14) | |
190 | #define OPEN_ADAPTER_DIS_SOFTERR (1<<13) | |
191 | #define OPEN_ADAPTER_PASS_ADC_MAC (1<<12) | |
192 | #define OPEN_ADAPTER_PASS_ATT_MAC (1<<11) | |
193 | #define OPEN_ADAPTER_ENABLE_EC (1<<10) | |
194 | #define OPEN_ADAPTER_CONTENDER (1<<8) | |
195 | #define OPEN_ADAPTER_PASS_BEACON (1<<7) | |
196 | #define OPEN_ADAPTER_ENABLE_FDX (1<<6) | |
197 | #define OPEN_ADAPTER_ENABLE_RPL (1<<5) | |
198 | #define OPEN_ADAPTER_INHIBIT_ETR (1<<4) | |
199 | #define OPEN_ADAPTER_INTERNAL_WRAP (1<<3) | |
200 | ||
201 | ||
202 | /* Defines for SRB Commands */ | |
203 | #define SRB_CLOSE_ADAPTER 0x04 | |
204 | #define SRB_CONFIGURE_BRIDGE 0x0c | |
205 | #define SRB_CONFIGURE_HP_CHANNEL 0x13 | |
206 | #define SRB_MODIFY_BRIDGE_PARMS 0x15 | |
207 | #define SRB_MODIFY_OPEN_OPTIONS 0x01 | |
208 | #define SRB_MODIFY_RECEIVE_OPTIONS 0x17 | |
209 | #define SRB_NO_OPERATION 0x00 | |
210 | #define SRB_OPEN_ADAPTER 0x03 | |
211 | #define SRB_READ_LOG 0x08 | |
212 | #define SRB_READ_SR_COUNTERS 0x16 | |
213 | #define SRB_RESET_GROUP_ADDRESS 0x02 | |
214 | #define SRB_RESET_TARGET_SEGMETN 0x14 | |
215 | #define SRB_SAVE_CONFIGURATION 0x1b | |
216 | #define SRB_SET_BRIDGE_PARMS 0x09 | |
217 | #define SRB_SET_FUNC_ADDRESS 0x07 | |
218 | #define SRB_SET_GROUP_ADDRESS 0x06 | |
219 | #define SRB_SET_TARGET_SEGMENT 0x05 | |
220 | ||
221 | /* Clear return code */ | |
222 | #define STREAMER_CLEAR_RET_CODE 0xfe | |
223 | ||
224 | /* ARB Commands */ | |
225 | #define ARB_RECEIVE_DATA 0x81 | |
226 | #define ARB_LAN_CHANGE_STATUS 0x84 | |
227 | ||
228 | /* ASB Response commands */ | |
229 | #define ASB_RECEIVE_DATA 0x81 | |
230 | ||
231 | ||
232 | /* Streamer defaults for buffers */ | |
233 | ||
234 | #define STREAMER_RX_RING_SIZE 16 /* should be a power of 2 */ | |
235 | /* Setting the number of TX descriptors to 1 is a workaround for an | |
236 | * undocumented hardware problem with the lanstreamer board. Setting | |
237 | * this to something higher may slightly increase the throughput you | |
238 | * can get from the card, but at the risk of locking up the box. - | |
239 | * <yoder1@us.ibm.com> | |
240 | */ | |
241 | #define STREAMER_TX_RING_SIZE 1 /* should be a power of 2 */ | |
242 | ||
243 | #define PKT_BUF_SZ 4096 /* Default packet size */ | |
244 | ||
245 | /* Streamer data structures */ | |
246 | ||
247 | struct streamer_tx_desc { | |
248 | __u32 forward; | |
249 | __u32 status; | |
250 | __u32 bufcnt_framelen; | |
251 | __u32 buffer; | |
252 | __u32 buflen; | |
253 | __u32 rsvd1; | |
254 | __u32 rsvd2; | |
255 | __u32 rsvd3; | |
256 | }; | |
257 | ||
258 | struct streamer_rx_desc { | |
259 | __u32 forward; | |
260 | __u32 status; | |
261 | __u32 buffer; | |
262 | __u32 framelen_buflen; | |
263 | }; | |
264 | ||
265 | struct mac_receive_buffer { | |
266 | __u16 next; | |
267 | __u8 padding; | |
268 | __u8 frame_status; | |
269 | __u16 buffer_length; | |
270 | __u8 frame_data; | |
271 | }; | |
272 | ||
273 | struct streamer_private { | |
274 | ||
275 | __u16 srb; | |
276 | __u16 trb; | |
277 | __u16 arb; | |
278 | __u16 asb; | |
279 | ||
280 | struct streamer_private *next; | |
281 | struct pci_dev *pci_dev; | |
282 | __u8 __iomem *streamer_mmio; | |
283 | char *streamer_card_name; | |
284 | ||
285 | spinlock_t streamer_lock; | |
286 | ||
287 | volatile int srb_queued; /* True if an SRB is still posted */ | |
288 | wait_queue_head_t srb_wait; | |
289 | ||
290 | volatile int asb_queued; /* True if an ASB is posted */ | |
291 | ||
292 | volatile int trb_queued; /* True if a TRB is posted */ | |
293 | wait_queue_head_t trb_wait; | |
294 | ||
295 | struct streamer_rx_desc *streamer_rx_ring; | |
296 | struct streamer_tx_desc *streamer_tx_ring; | |
297 | struct sk_buff *tx_ring_skb[STREAMER_TX_RING_SIZE], | |
298 | *rx_ring_skb[STREAMER_RX_RING_SIZE]; | |
299 | int tx_ring_free, tx_ring_last_status, rx_ring_last_received, | |
300 | free_tx_ring_entries; | |
301 | ||
1da177e4 LT |
302 | __u16 streamer_lan_status; |
303 | __u8 streamer_ring_speed; | |
304 | __u16 pkt_buf_sz; | |
305 | __u8 streamer_receive_options, streamer_copy_all_options, | |
306 | streamer_message_level; | |
307 | __u16 streamer_addr_table_addr, streamer_parms_addr; | |
308 | __u16 mac_rx_buffer; | |
309 | __u8 streamer_laa[6]; | |
310 | }; | |
311 | ||
312 | struct streamer_adapter_addr_table { | |
313 | ||
314 | __u8 node_addr[6]; | |
315 | __u8 reserved[4]; | |
316 | __u8 func_addr[4]; | |
317 | }; | |
318 | ||
319 | struct streamer_parameters_table { | |
320 | ||
321 | __u8 phys_addr[4]; | |
322 | __u8 up_node_addr[6]; | |
323 | __u8 up_phys_addr[4]; | |
324 | __u8 poll_addr[6]; | |
325 | __u16 reserved; | |
326 | __u16 acc_priority; | |
327 | __u16 auth_source_class; | |
328 | __u16 att_code; | |
329 | __u8 source_addr[6]; | |
330 | __u16 beacon_type; | |
331 | __u16 major_vector; | |
332 | __u16 lan_status; | |
333 | __u16 soft_error_time; | |
334 | __u16 reserved1; | |
335 | __u16 local_ring; | |
336 | __u16 mon_error; | |
337 | __u16 beacon_transmit; | |
338 | __u16 beacon_receive; | |
339 | __u16 frame_correl; | |
340 | __u8 beacon_naun[6]; | |
341 | __u32 reserved2; | |
342 | __u8 beacon_phys[4]; | |
343 | }; |