summaryrefslogtreecommitdiff
path: root/sys/dev/pci/if_skvar.h
blob: b160431e16521b6b29bb98cdb0a6faf0ee84111a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/*	$OpenBSD: if_skvar.h,v 1.2 2005/12/22 20:54:47 brad Exp $	*/
/*	$NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $	*/

/*-
 * Copyright (c) 2003 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the NetBSD
 *	Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
/*	$OpenBSD: if_skvar.h,v 1.2 2005/12/22 20:54:47 brad Exp $	*/

/*
 * Copyright (c) 1997, 1998, 1999, 2000
 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Bill Paul.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $
 */

/*
 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _DEV_PCI_IF_SKVAR_H_
#define _DEV_PCI_IF_SKVAR_H_

struct sk_jpool_entry {
	int                             slot;
	LIST_ENTRY(sk_jpool_entry)	jpool_entries;
};

struct sk_chain {
	void			*sk_desc;
	struct mbuf		*sk_mbuf;
	struct sk_chain		*sk_next;
};

/*
 * Number of DMA segments in a TxCB. Note that this is carefully
 * chosen to make the total struct size an even power of two. It's
 * critical that no TxCB be split across a page boundary since
 * no attempt is made to allocate physically contiguous memory.
 *
 */
#define SK_NTXSEG      30

struct sk_txmap_entry {
	bus_dmamap_t			dmamap;
	SIMPLEQ_ENTRY(sk_txmap_entry)	link;
};

struct sk_chain_data {
	struct sk_chain		sk_tx_chain[SK_TX_RING_CNT];
	struct sk_chain		sk_rx_chain[SK_RX_RING_CNT];
	struct sk_txmap_entry	*sk_tx_map[SK_TX_RING_CNT];
	bus_dmamap_t		sk_rx_map[SK_RX_RING_CNT];
	bus_dmamap_t		sk_rx_jumbo_map;
	int			sk_tx_prod;
	int			sk_tx_cons;
	int			sk_tx_cnt;
	int			sk_rx_prod;
	int			sk_rx_cons;
	int			sk_rx_cnt;
	/* Stick the jumbo mem management stuff here too. */
	caddr_t			sk_jslots[SK_JSLOTS];
	void			*sk_jumbo_buf;

};

struct sk_ring_data {
	struct sk_tx_desc	sk_tx_ring[SK_TX_RING_CNT];
	struct sk_rx_desc	sk_rx_ring[SK_RX_RING_CNT];
};

#define SK_TX_RING_ADDR(sc, i) \
    ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
     offsetof(struct sk_ring_data, sk_tx_ring[(i)]))

#define SK_RX_RING_ADDR(sc, i) \
    ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
     offsetof(struct sk_ring_data, sk_rx_ring[(i)]))

#define SK_CDOFF(x)	offsetof(struct sk_ring_data, x)
#define SK_CDTXOFF(x)	SK_CDOFF(sk_tx_ring[(x)])
#define SK_CDRXOFF(x)	SK_CDOFF(sk_rx_ring[(x)])

#define SK_CDTXSYNC(sc, x, n, ops)					\
do {									\
	int __x, __n;							\
									\
	__x = (x);							\
	__n = (n);							\
									\
	/* If it will wrap around, sync to the end of the ring. */	\
	if ((__x + __n) > SK_TX_RING_CNT) {				\
		bus_dmamap_sync((sc)->sk_softc->sc_dmatag,		\
		    (sc)->sk_ring_map, SK_CDTXOFF(__x),			\
		    sizeof(struct sk_tx_desc) *	 (SK_TX_RING_CNT - __x),\
		    (ops));						\
		__n -= (SK_TX_RING_CNT - __x);				\
		__x = 0;						\
	}								\
									\
	/* Now sync whatever is left. */				\
	bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map,	\
	    SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops));	\
} while (/*CONSTCOND*/0)

#define SK_CDRXSYNC(sc, x, ops)						\
do {									\
	bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map,	\
	    SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops));		\
} while (/*CONSTCOND*/0)

struct sk_bcom_hack {
	int			reg;
	int			val;
};

#define SK_INC(x, y)	(x) = (x + 1) % y

/* Forward decl. */
struct sk_if_softc;

/* Softc for the GEnesis controller. */
struct sk_softc {
	struct device		sk_dev;		/* generic device */
	bus_space_handle_t	sk_bhandle;	/* bus space handle */
	bus_space_tag_t		sk_btag;	/* bus space tag */
	void			*sk_intrhand;	/* irq handler handle */
	u_int8_t		sk_coppertype;
	u_int8_t		sk_pmd;		/* physical media type */
	u_int8_t		sk_type;
	u_int8_t		sk_rev;
	u_int8_t		sk_macs;	/* # of MACs */
	char			*sk_name;
	u_int32_t		sk_rboff;	/* RAMbuffer offset */
	u_int32_t		sk_ramsize;	/* amount of RAM on NIC */
	u_int32_t		sk_intrmask;
	bus_dma_tag_t		sc_dmatag;
	struct sk_if_softc	*sk_if[2];
};

/* Softc for each logical interface */
struct sk_if_softc {
	struct device		sk_dev;		/* generic device */
	struct arpcom		arpcom;		/* interface info */
	struct mii_data		sk_mii;
	u_int8_t		sk_port;	/* port # on controller */
	u_int8_t		sk_xmac_rev;	/* XMAC chip rev (B2 or C1) */
	u_int32_t		sk_rx_ramstart;
	u_int32_t		sk_rx_ramend;
	u_int32_t		sk_tx_ramstart;
	u_int32_t		sk_tx_ramend;
	u_int8_t		sk_phytype;
	int			sk_phyaddr;
	int			sk_cnt;
	int			sk_link;
	struct timeout		sk_tick_ch;
	struct sk_chain_data	sk_cdata;
	struct sk_ring_data	*sk_rdata;
	bus_dmamap_t		sk_ring_map;
	struct sk_softc		*sk_softc;	/* parent controller */
	int			sk_tx_bmu;	/* TX BMU register */
	int			sk_if_flags;
	LIST_HEAD(__sk_jfreehead, sk_jpool_entry)	sk_jfree_listhead;
	LIST_HEAD(__sk_jinusehead, sk_jpool_entry)	sk_jinuse_listhead;
	SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry)	sk_txmap_head;
};

struct skc_attach_args {
	u_int16_t	skc_port;
	u_int8_t	skc_type;
	u_int8_t	skc_rev;
};

#endif /* _DEV_PCI_IF_SKVAR_H_ */