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
|
/* $NetBSD: aic6915var.h,v 1.5 2022/05/04 07:32:50 andvar Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* 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.
*/
#ifndef _DEV_IC_AIC6915VAR_H_
#define _DEV_IC_AIC6915VAR_H_
#include <sys/callout.h>
/*
* Data structure definitions for the Adaptec AIC-6915 (``Starfire'')
* PCI 10/100 Ethernet controller driver.
*/
/*
* Transmit descriptor list size.
*/
#define SF_NTXDESC 256
#define SF_NTXDESC_MASK (SF_NTXDESC - 1)
#define SF_NEXTTX(x) ((x + 1) & SF_NTXDESC_MASK)
/*
* Transmit completion queue size. 1024 is a hardware requirement.
*/
#define SF_NTCD 1024
#define SF_NTCD_MASK (SF_NTCD - 1)
#define SF_NEXTTCD(x) ((x + 1) & SF_NTCD_MASK)
/*
* Receive descriptor list size.
*/
#define SF_NRXDESC 256
#define SF_NRXDESC_MASK (SF_NRXDESC - 1)
#define SF_NEXTRX(x) ((x + 1) & SF_NRXDESC_MASK)
/*
* Receive completion queue size. 1024 is a hardware requirement.
*/
#define SF_NRCD 1024
#define SF_NRCD_MASK (SF_NRCD - 1)
#define SF_NEXTRCD(x) ((x + 1) & SF_NRCD_MASK)
/*
* Control structures are DMA to the Starfire chip. We allocate them in
* a single clump that maps to a single DMA segment to make several things
* easier.
*/
struct sf_control_data {
/*
* The transmit descriptors.
*/
struct sf_txdesc0 scd_txdescs[SF_NTXDESC];
/*
* The transmit completion queue entries.
*/
struct sf_tcd scd_txcomp[SF_NTCD];
/*
* The receive buffer descriptors.
*/
struct sf_rbd32 scd_rxbufdescs[SF_NRXDESC];
/*
* The receive completion queue entries.
*/
struct sf_rcd_full scd_rxcomp[SF_NRCD];
};
#define SF_CDOFF(x) offsetof(struct sf_control_data, x)
#define SF_CDTXDOFF(x) SF_CDOFF(scd_txdescs[(x)])
#define SF_CDTXCOFF(x) SF_CDOFF(scd_txcomp[(x)])
#define SF_CDRXDOFF(x) SF_CDOFF(scd_rxbufdescs[(x)])
#define SF_CDRXCOFF(x) SF_CDOFF(scd_rxcomp[(x)])
/*
* Software state for transmit and receive descriptors.
*/
struct sf_descsoft {
struct mbuf *ds_mbuf; /* head of mbuf chain */
bus_dmamap_t ds_dmamap; /* our DMA map */
};
/*
* Software state per device.
*/
struct sf_softc {
device_t sc_dev; /* generic device information */
bus_space_tag_t sc_st; /* bus space tag */
bus_space_handle_t sc_sh; /* bus space handle */
bus_space_handle_t sc_sh_func; /* sub-handle for func regs */
bus_dma_tag_t sc_dmat; /* bus DMA tag */
struct ethercom sc_ethercom; /* ethernet common data */
int sc_iomapped; /* are we I/O mapped? */
struct mii_data sc_mii; /* MII/media information */
struct callout sc_tick_callout; /* MII callout */
bus_dmamap_t sc_cddmamap; /* control data DMA map */
#define sc_cddma sc_cddmamap->dm_segs[0].ds_addr
/*
* Software state for transmit and receive descriptors.
*/
struct sf_descsoft sc_txsoft[SF_NTXDESC];
struct sf_descsoft sc_rxsoft[SF_NRXDESC];
/*
* Control data structures.
*/
struct sf_control_data *sc_control_data;
#define sc_txdescs sc_control_data->scd_txdescs
#define sc_txcomp sc_control_data->scd_txcomp
#define sc_rxbufdescs sc_control_data->scd_rxbufdescs
#define sc_rxcomp sc_control_data->scd_rxcomp
int sc_txpending; /* number of Tx requests pending */
uint32_t sc_InterruptEn; /* prototype InterruptEn register */
uint32_t sc_TransmitFrameCSR; /* prototype TransmitFrameCSR reg */
uint32_t sc_TxDescQueueCtrl; /* prototype TxDescQueueCtrl reg */
int sc_txthresh; /* current Tx threshold */
uint32_t sc_MacConfig1; /* prototype MacConfig1 register */
uint32_t sc_RxAddressFilteringCtl;
};
#define SF_CDTXDADDR(sc, x) ((sc)->sc_cddma + SF_CDTXDOFF((x)))
#define SF_CDTXCADDR(sc, x) ((sc)->sc_cddma + SF_CDTXCOFF((x)))
#define SF_CDRXDADDR(sc, x) ((sc)->sc_cddma + SF_CDRXDOFF((x)))
#define SF_CDRXCADDR(sc, x) ((sc)->sc_cddma + SF_CDRXCOFF((x)))
#define SF_CDTXDSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDTXDOFF((x)), sizeof(struct sf_txdesc0), (ops))
#define SF_CDTXCSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDTXCOFF((x)), sizeof(struct sf_tcd), (ops))
#define SF_CDRXDSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDRXDOFF((x)), sizeof(struct sf_rbd32), (ops))
#define SF_CDRXCSYNC(sc, x, ops) \
bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
SF_CDRXCOFF((x)), sizeof(struct sf_rcd_full), (ops))
#define SF_INIT_RXDESC(sc, x) \
do { \
struct sf_descsoft *__ds = &sc->sc_rxsoft[(x)]; \
\
(sc)->sc_rxbufdescs[(x)].rbd32_addr = \
__ds->ds_dmamap->dm_segs[0].ds_addr | RBD_V; \
SF_CDRXDSYNC((sc), (x), BUS_DMASYNC_PREWRITE); \
} while (/*CONSTCOND*/0)
#ifdef _KERNEL
void sf_attach(struct sf_softc *);
int sf_intr(void *);
#endif /* _KERNEL */
#endif /* _DEV_IC_AIC6915VAR_H_ */
|