Annotation of sys/dev/pci/if_mskvar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_mskvar.h,v 1.5 2007/05/12 18:19:54 kettenis Exp $ */
2: /* $NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $ */
3:
4: /*-
5: * Copyright (c) 2003 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the NetBSD
19: * Foundation, Inc. and its contributors.
20: * 4. Neither the name of The NetBSD Foundation nor the names of its
21: * contributors may be used to endorse or promote products derived
22: * from this software without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34: * POSSIBILITY OF SUCH DAMAGE.
35: */
36: /* $OpenBSD: if_mskvar.h,v 1.5 2007/05/12 18:19:54 kettenis Exp $ */
37:
38: /*
39: * Copyright (c) 1997, 1998, 1999, 2000
40: * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
41: *
42: * Redistribution and use in source and binary forms, with or without
43: * modification, are permitted provided that the following conditions
44: * are met:
45: * 1. Redistributions of source code must retain the above copyright
46: * notice, this list of conditions and the following disclaimer.
47: * 2. Redistributions in binary form must reproduce the above copyright
48: * notice, this list of conditions and the following disclaimer in the
49: * documentation and/or other materials provided with the distribution.
50: * 3. All advertising materials mentioning features or use of this software
51: * must display the following acknowledgement:
52: * This product includes software developed by Bill Paul.
53: * 4. Neither the name of the author nor the names of any co-contributors
54: * may be used to endorse or promote products derived from this software
55: * without specific prior written permission.
56: *
57: * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
58: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60: * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
61: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
62: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
63: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
64: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
65: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
66: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
67: * THE POSSIBILITY OF SUCH DAMAGE.
68: *
69: * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $
70: */
71:
72: /*
73: * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
74: *
75: * Permission to use, copy, modify, and distribute this software for any
76: * purpose with or without fee is hereby granted, provided that the above
77: * copyright notice and this permission notice appear in all copies.
78: *
79: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
80: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
81: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
82: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
83: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
84: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
85: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
86: */
87:
88: #ifndef _DEV_PCI_IF_MSKVAR_H_
89: #define _DEV_PCI_IF_MSKVAR_H_
90:
91: struct sk_jpool_entry {
92: int slot;
93: LIST_ENTRY(sk_jpool_entry) jpool_entries;
94: };
95:
96: struct sk_chain {
97: void *sk_le;
98: struct mbuf *sk_mbuf;
99: struct sk_chain *sk_next;
100: };
101:
102: /*
103: * Number of DMA segments in a TxCB. Note that this is carefully
104: * chosen to make the total struct size an even power of two. It's
105: * critical that no TxCB be split across a page boundary since
106: * no attempt is made to allocate physically contiguous memory.
107: *
108: */
109: #define SK_NTXSEG 30
110:
111: struct sk_txmap_entry {
112: bus_dmamap_t dmamap;
113: SIMPLEQ_ENTRY(sk_txmap_entry) link;
114: };
115:
116: struct msk_chain_data {
117: struct sk_chain sk_tx_chain[MSK_TX_RING_CNT];
118: struct sk_chain sk_rx_chain[MSK_RX_RING_CNT];
119: struct sk_txmap_entry *sk_tx_map[MSK_TX_RING_CNT];
120: bus_dmamap_t sk_rx_map[MSK_RX_RING_CNT];
121: bus_dmamap_t sk_rx_jumbo_map;
122: int sk_tx_prod;
123: int sk_tx_cons;
124: int sk_tx_cnt;
125: int sk_rx_prod;
126: int sk_rx_cons;
127: int sk_rx_cnt;
128: /* Stick the jumbo mem management stuff here too. */
129: caddr_t sk_jslots[MSK_JSLOTS];
130: void *sk_jumbo_buf;
131: };
132:
133: struct msk_ring_data {
134: struct msk_tx_desc sk_tx_ring[MSK_TX_RING_CNT];
135: struct msk_rx_desc sk_rx_ring[MSK_RX_RING_CNT];
136: };
137:
138: #define MSK_TX_RING_ADDR(sc, i) \
139: ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
140: offsetof(struct msk_ring_data, sk_tx_ring[(i)]))
141:
142: #define MSK_RX_RING_ADDR(sc, i) \
143: ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
144: offsetof(struct msk_ring_data, sk_rx_ring[(i)]))
145:
146: #define MSK_CDOFF(x) offsetof(struct msk_ring_data, x)
147: #define MSK_CDTXOFF(x) MSK_CDOFF(sk_tx_ring[(x)])
148: #define MSK_CDRXOFF(x) MSK_CDOFF(sk_rx_ring[(x)])
149: #define MSK_CDSTOFF(x) ((x) * sizeof(struct msk_status_desc))
150:
151: #define MSK_CDTXSYNC(sc, x, n, ops) \
152: do { \
153: int __x, __n; \
154: \
155: __x = (x); \
156: __n = (n); \
157: \
158: /* If it will wrap around, sync to the end of the ring. */ \
159: if ((__x + __n) > MSK_TX_RING_CNT) { \
160: bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \
161: (sc)->sk_ring_map, MSK_CDTXOFF(__x), \
162: sizeof(struct msk_tx_desc) * (MSK_TX_RING_CNT - __x), \
163: (ops)); \
164: __n -= (MSK_TX_RING_CNT - __x); \
165: __x = 0; \
166: } \
167: \
168: /* Now sync whatever is left. */ \
169: bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
170: MSK_CDTXOFF((__x)), sizeof(struct msk_tx_desc) * __n, (ops)); \
171: } while (/*CONSTCOND*/0)
172:
173: #define MSK_CDRXSYNC(sc, x, ops) \
174: do { \
175: bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
176: MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops)); \
177: } while (/*CONSTCOND*/0)
178:
179: #define MSK_CDSTSYNC(sc, x, ops) \
180: do { \
181: bus_dmamap_sync((sc)->sc_dmatag, (sc)->sk_status_map, \
182: MSK_CDSTOFF((x)), sizeof(struct msk_status_desc), (ops)); \
183: } while (/*CONSTCOND*/0)
184:
185: #define SK_INC(x, y) (x) = (x + 1) % y
186:
187: /* Forward decl. */
188: struct sk_if_softc;
189:
190: /* Softc for the Yukon-II controller. */
191: struct sk_softc {
192: struct device sk_dev; /* generic device */
193: bus_space_handle_t sk_bhandle; /* bus space handle */
194: bus_space_tag_t sk_btag; /* bus space tag */
195: void *sk_intrhand; /* irq handler handle */
196: u_int8_t sk_fibertype;
197: u_int8_t sk_type;
198: u_int8_t sk_rev;
199: u_int8_t sk_macs; /* # of MACs */
200: char *sk_name;
201: u_int32_t sk_ramsize; /* amount of RAM on NIC */
202: u_int32_t sk_intrmask;
203: bus_dma_tag_t sc_dmatag;
204: struct sk_if_softc *sk_if[2];
205: struct msk_status_desc *sk_status_ring;
206: bus_dmamap_t sk_status_map;
207: int sk_status_idx;
208: };
209:
210: /* Softc for each logical interface */
211: struct sk_if_softc {
212: struct device sk_dev; /* generic device */
213: struct arpcom arpcom; /* interface info */
214: struct mii_data sk_mii;
215: u_int8_t sk_port; /* port # on controller */
216: u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */
217: u_int32_t sk_rx_ramstart;
218: u_int32_t sk_rx_ramend;
219: u_int32_t sk_tx_ramstart;
220: u_int32_t sk_tx_ramend;
221: int sk_cnt;
222: int sk_link;
223: struct timeout sk_tick_ch;
224: struct msk_chain_data sk_cdata;
225: struct msk_ring_data *sk_rdata;
226: bus_dmamap_t sk_ring_map;
227: int sk_status_idx;
228: struct sk_softc *sk_softc; /* parent controller */
229: int sk_tx_bmu; /* TX BMU register */
230: int sk_if_flags;
231: LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead;
232: LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead;
233: SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head;
234: };
235:
236: struct skc_attach_args {
237: u_int16_t skc_port;
238: u_int8_t skc_type;
239: u_int8_t skc_rev;
240: };
241:
242: #endif /* _DEV_PCI_IF_MSKVAR_H_ */
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