1 | /* $NetBSD: if_skvar.h,v 1.18 2015/04/13 16:33:25 riastradh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2003 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | /* $OpenBSD: if_skreg.h,v 1.10 2003/08/12 05:23:06 nate Exp $ */ |
29 | |
30 | /* |
31 | * Copyright (c) 1997, 1998, 1999, 2000 |
32 | * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. |
33 | * |
34 | * Redistribution and use in source and binary forms, with or without |
35 | * modification, are permitted provided that the following conditions |
36 | * are met: |
37 | * 1. Redistributions of source code must retain the above copyright |
38 | * notice, this list of conditions and the following disclaimer. |
39 | * 2. Redistributions in binary form must reproduce the above copyright |
40 | * notice, this list of conditions and the following disclaimer in the |
41 | * documentation and/or other materials provided with the distribution. |
42 | * 3. All advertising materials mentioning features or use of this software |
43 | * must display the following acknowledgement: |
44 | * This product includes software developed by Bill Paul. |
45 | * 4. Neither the name of the author nor the names of any co-contributors |
46 | * may be used to endorse or promote products derived from this software |
47 | * without specific prior written permission. |
48 | * |
49 | * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND |
50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
52 | * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD |
53 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
54 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
55 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
56 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
57 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
58 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
59 | * THE POSSIBILITY OF SUCH DAMAGE. |
60 | * |
61 | * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $ |
62 | */ |
63 | |
64 | /* |
65 | * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> |
66 | * |
67 | * Permission to use, copy, modify, and distribute this software for any |
68 | * purpose with or without fee is hereby granted, provided that the above |
69 | * copyright notice and this permission notice appear in all copies. |
70 | * |
71 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
72 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
73 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
74 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
75 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
76 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
77 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
78 | */ |
79 | |
80 | #ifndef _DEV_PCI_IF_SKVAR_H_ |
81 | #define _DEV_PCI_IF_SKVAR_H_ |
82 | |
83 | #include <sys/rndsource.h> |
84 | |
85 | struct sk_jpool_entry { |
86 | int slot; |
87 | LIST_ENTRY(sk_jpool_entry) jpool_entries; |
88 | }; |
89 | |
90 | struct sk_chain { |
91 | void *sk_desc; |
92 | struct mbuf *sk_mbuf; |
93 | struct sk_chain *sk_next; |
94 | }; |
95 | |
96 | /* |
97 | * Number of DMA segments in a TxCB. Note that this is carefully |
98 | * chosen to make the total struct size an even power of two. It's |
99 | * critical that no TxCB be split across a page boundary since |
100 | * no attempt is made to allocate physically contiguous memory. |
101 | * |
102 | */ |
103 | #define SK_NTXSEG 30 |
104 | |
105 | struct sk_txmap_entry { |
106 | bus_dmamap_t dmamap; |
107 | SIMPLEQ_ENTRY(sk_txmap_entry) link; |
108 | }; |
109 | |
110 | struct sk_chain_data { |
111 | struct sk_chain sk_tx_chain[SK_TX_RING_CNT]; |
112 | struct sk_chain sk_rx_chain[SK_RX_RING_CNT]; |
113 | struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT]; |
114 | bus_dmamap_t sk_rx_map[SK_RX_RING_CNT]; |
115 | bus_dmamap_t sk_rx_jumbo_map; |
116 | int sk_tx_prod; |
117 | int sk_tx_cons; |
118 | int sk_tx_cnt; |
119 | int sk_rx_prod; |
120 | int sk_rx_cons; |
121 | int sk_rx_cnt; |
122 | /* Stick the jumbo mem management stuff here too. */ |
123 | void * sk_jslots[SK_JSLOTS]; |
124 | void *sk_jumbo_buf; |
125 | |
126 | }; |
127 | |
128 | struct sk_ring_data { |
129 | struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT]; |
130 | struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT]; |
131 | }; |
132 | |
133 | #define SK_TX_RING_ADDR(sc, i) \ |
134 | ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ |
135 | offsetof(struct sk_ring_data, sk_tx_ring[(i)])) |
136 | |
137 | #define SK_RX_RING_ADDR(sc, i) \ |
138 | ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ |
139 | offsetof(struct sk_ring_data, sk_rx_ring[(i)])) |
140 | |
141 | #define SK_CDOFF(x) offsetof(struct sk_ring_data, x) |
142 | #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)]) |
143 | #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)]) |
144 | |
145 | #define SK_CDTXSYNC(sc, x, n, ops) \ |
146 | do { \ |
147 | int __x, __n; \ |
148 | \ |
149 | __x = (x); \ |
150 | __n = (n); \ |
151 | \ |
152 | /* If it will wrap around, sync to the end of the ring. */ \ |
153 | if ((__x + __n) > SK_TX_RING_CNT) { \ |
154 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ |
155 | (sc)->sk_ring_map, SK_CDTXOFF(__x), \ |
156 | sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\ |
157 | (ops)); \ |
158 | __n -= (SK_TX_RING_CNT - __x); \ |
159 | __x = 0; \ |
160 | } \ |
161 | \ |
162 | /* Now sync whatever is left. */ \ |
163 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ |
164 | SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \ |
165 | } while (/*CONSTCOND*/0) |
166 | |
167 | #define SK_CDRXSYNC(sc, x, ops) \ |
168 | do { \ |
169 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ |
170 | SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \ |
171 | } while (/*CONSTCOND*/0) |
172 | |
173 | struct sk_bcom_hack { |
174 | int reg; |
175 | int val; |
176 | }; |
177 | |
178 | #define SK_INC(x, y) (x) = (x + 1) % y |
179 | |
180 | /* Forward decl. */ |
181 | struct sk_if_softc; |
182 | |
183 | /* Softc for the GEnesis controller. */ |
184 | struct sk_softc { |
185 | device_t sk_dev; /* generic device */ |
186 | bus_space_handle_t sk_bhandle; /* bus space handle */ |
187 | bus_space_tag_t sk_btag; /* bus space tag */ |
188 | void *sk_intrhand; /* irq handler handle */ |
189 | u_int8_t sk_type; |
190 | u_int8_t sk_rev; |
191 | const char *sk_name; |
192 | char *sk_vpd_prodname; |
193 | char *sk_vpd_readonly; |
194 | u_int32_t sk_rboff; /* RAMbuffer offset */ |
195 | u_int32_t sk_ramsize; /* amount of RAM on NIC */ |
196 | u_int32_t sk_pmd; /* physical media type */ |
197 | u_int32_t sk_intrmask; |
198 | struct sysctllog *sk_clog; |
199 | int sk_int_mod; |
200 | int sk_int_mod_pending; |
201 | bus_dma_tag_t sc_dmatag; |
202 | struct sk_if_softc *sk_if[2]; |
203 | krndsource_t rnd_source; |
204 | }; |
205 | |
206 | /* Softc for each logical interface */ |
207 | struct sk_if_softc { |
208 | device_t sk_dev; /* generic device */ |
209 | struct ethercom sk_ethercom; /* interface info */ |
210 | struct mii_data sk_mii; |
211 | u_int8_t sk_enaddr[ETHER_ADDR_LEN]; /* station addr */ |
212 | u_int8_t sk_port; /* port # on controller */ |
213 | u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ |
214 | u_int32_t sk_rx_ramstart; |
215 | u_int32_t sk_rx_ramend; |
216 | u_int32_t sk_tx_ramstart; |
217 | u_int32_t sk_tx_ramend; |
218 | int sk_phytype; |
219 | int sk_phyaddr; |
220 | int sk_cnt; |
221 | int sk_link; |
222 | struct callout sk_tick_ch; |
223 | struct sk_chain_data sk_cdata; |
224 | struct sk_ring_data *sk_rdata; |
225 | bus_dmamap_t sk_ring_map; |
226 | struct sk_softc *sk_softc; /* parent controller */ |
227 | int sk_tx_bmu; /* TX BMU register */ |
228 | int sk_if_flags; |
229 | kmutex_t sk_jpool_mtx; |
230 | LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; |
231 | LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; |
232 | SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; |
233 | }; |
234 | |
235 | struct skc_attach_args { |
236 | u_int16_t skc_port; |
237 | }; |
238 | |
239 | #endif /* _DEV_PCI_IF_SKVAR_H_ */ |
240 | |