1 /* $NetBSD: pdqvar.h,v 1.27 2000/05/03 19:17:54 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
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. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * Id: pdqvar.h,v 1.21 1997/03/21 21:16:04 thomas Exp
27 * $FreeBSD: src/sys/dev/pdq/pdq_freebsd.h,v 1.8 2004/06/13 17:29:07 mlaier Exp $
28 *
29 */
30
31 /*
32 * DEC PDQ FDDI Controller; PDQ O/S dependent definitions
33 *
34 * Written by Matt Thomas
35 *
36 */
37
38 #if defined(PDQ_HWSUPPORT)
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/lock.h>
43 #include <sys/mutex.h>
44 #include <sys/malloc.h>
45 #include <sys/socket.h>
46 #include <sys/sockio.h>
47
48 #include <sys/module.h>
49 #include <sys/bus.h>
50
51 #include <machine/bus_memio.h>
52 #include <machine/bus_pio.h>
53 #include <machine/bus.h>
54 #include <machine/resource.h>
55 #include <sys/rman.h>
56
57 #include <net/if.h>
58 #include <net/if_arp.h>
59 #include <net/if_dl.h>
60 #include <net/if_media.h>
61 #include <net/fddi.h>
62
63 #include <net/bpf.h>
64
65 #include <vm/vm.h> /* for vtophys */
66 #include <vm/pmap.h> /* for vtophys */
67 #include <machine/clock.h> /* for DELAY */
68
69 #endif /* PDQ_HWSUPPORT */
70
71 typedef struct _pdq_t pdq_t;
72 typedef struct _pdq_csrs_t pdq_csrs_t;
73 typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
74 typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
75 typedef unsigned int pdq_uint32_t;
76 typedef unsigned short pdq_uint16_t;
77 typedef unsigned char pdq_uint8_t;
78 typedef enum _pdq_boolean_t pdq_boolean_t;
79 typedef enum _pdq_type_t pdq_type_t;
80 typedef enum _pdq_state_t pdq_state_t;
81 typedef struct mbuf PDQ_OS_DATABUF_T;
82
83 typedef bus_space_tag_t pdq_bus_t;
84 typedef bus_space_handle_t pdq_bus_memaddr_t;
85 typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
86
87 extern devclass_t pdq_devclass;
88
89 enum _pdq_type_t {
90 PDQ_DEFPA, /* PCI-bus */
91 PDQ_DEFEA, /* EISA-bus */
92 PDQ_DEFTA, /* TurboChannel */
93 PDQ_DEFAA, /* FutureBus+ */
94 PDQ_DEFQA /* Q-bus */
95 };
96
97 #define sc_ifmedia ifmedia
98 #define sc_if arpcom.ac_if
99 #define sc_bpf sc_if.if_bpf
100 #if 0 /* ALTQ */
101 #define IFQ_DEQUEUE IF_DEQUEUE
102 #define IFQ_IS_EMPTY(q) ((q)->ifq_len == 0)
103 #endif
104
105 typedef struct _pdq_os_ctx_t {
106 struct arpcom arpcom;
107 struct ifmedia ifmedia;
108 device_t dev;
109 int debug;
110
111 pdq_t * sc_pdq;
112 int sc_flags;
113 #define PDQIF_DOWNCALL 0x0001 /* active calling from if to pdq */
114
115 struct resource * io;
116 int io_rid;
117 int io_type;
118 bus_space_handle_t io_bsh;
119 bus_space_tag_t io_bst;
120
121 struct resource * mem;
122 int mem_rid;
123 int mem_type;
124 bus_space_handle_t mem_bsh;
125 bus_space_tag_t mem_bst;
126
127 struct resource * irq;
128 int irq_rid;
129 void * irq_ih;
130
131 struct mtx mtx;
132 } pdq_softc_t;
133
134 #define PDQ_LOCK(_sc) mtx_lock(&(_sc)->mtx)
135 #define PDQ_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
136
137 #define PDQ_OS_HDR_OFFSET PDQ_RX_FC_OFFSET
138
139 #define PDQ_OS_PAGESIZE PAGE_SIZE
140 #define PDQ_OS_TX_TRANSMIT 5
141
142 #define PDQ_OS_IORD_32(bt, bh, off) bus_space_read_4(bt, bh, off)
143 #define PDQ_OS_IOWR_32(bt, bh, off, data) bus_space_write_4(bt, bh, off, data)
144 #define PDQ_OS_IORD_8(bt, bh, off) bus_space_read_1(bt, bh, off)
145 #define PDQ_OS_IOWR_8(bt, bh, off, data) bus_space_write_1(bt, bh, off, data)
146
147 #define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
148 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
149 #define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
150
151 #define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b))
152
153 #if defined(PDQ_OSSUPPORT)
154 #define PDQ_OS_TX_TIMEOUT 5 /* seconds */
155
156 #define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) (ifp)->if_softc)
157 #define PDQ_BPF_MTAP(sc, m) BPF_MTAP(&(sc)->arpcom.ac_if, m)
158
159 #endif /* PDQ_OSSUPPORT */
160
161 #if defined(PDQ_HWSUPPORT)
162
163 #define PDQ_OS_PREFIX "%s: "
164 #define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name
165
166 #define PDQ_OS_PTR_FMT "%p"
167 #define PDQ_OS_CSR_FMT "0x%x"
168
169 #define PDQ_OS_USEC_DELAY(n) DELAY(n)
170 #ifdef __alpha__
171 #define PDQ_OS_VA_TO_BUSPA(pdq, p) alpha_XXX_dmamap((vm_offset_t)p)
172 #else
173 #define PDQ_OS_VA_TO_BUSPA(pdq, p) vtophys(p)
174 #endif
175
176 #define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
177 #define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
178 #define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
179 #define PDQ_OS_MEMALLOC_CONTIG(n) contigmalloc(n, M_DEVBUF, M_NOWAIT, 0x800000, ~0, PAGE_SIZE, 0)
180 #define PDQ_OS_MEMFREE_CONTIG(p, n) contigfree(p, n, M_DEVBUF)
181
182 #define PDQ_OS_DATABUF_SIZE (MCLBYTES)
183 #define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
184 #define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
185 #define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
186 #define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
187 #define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
188 #define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
189 /* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */
190 #define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
191 #define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
192
193 #define PDQ_OS_DATABUF_ALLOC(pdq, b) do { \
194 PDQ_OS_DATABUF_T *x_m0; \
195 MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
196 if (x_m0 != NULL) { \
197 MCLGET(x_m0, M_DONTWAIT); \
198 if ((x_m0->m_flags & M_EXT) == 0) { \
199 m_free(x_m0); \
200 (b) = NULL; \
201 } else { \
202 (b) = x_m0; \
203 x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
204 } \
205 } else { \
206 (b) = NULL; \
207 } \
208 } while (0)
209
210 #define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
211
212 #define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
213 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
214 if ((q)->q_tail == NULL) \
215 (q)->q_head = (b); \
216 else \
217 PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
218 (q)->q_tail = (b); \
219 } while (0)
220
221 #define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
222 if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
223 if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
224 (q)->q_tail = NULL; \
225 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
226 } \
227 } while (0)
228
229 #define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b))
230
231 #define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0)
232 #define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0)
233 #define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0)
234 #define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0)
235 #define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0)
236 #define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0)
237 #define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0)
238 #define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0)
239 #define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0)
240 #define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0)
241 #define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0)
242 #define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0)
243
244 #endif /* PDQ_HWSUPPORT */
245
246 /*
247 * OS dependent functions provided by pdq_ifsubr.c to pdq.c
248 */
249 void pdq_os_addr_fill (pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
250 void pdq_os_receive_pdu (pdq_t *, PDQ_OS_DATABUF_T *, size_t, int);
251 void pdq_os_restart_transmitter (pdq_t *pdq);
252 void pdq_os_transmit_done (pdq_t *, PDQ_OS_DATABUF_T *);
253 void pdq_os_update_status (pdq_t *, const void *);
254
255 /*
256 * Driver interfaces functions provided by pdq.c to pdq_ifsubr.c
257 */
258 pdq_boolean_t pdq_queue_transmit_data (pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
259 void pdq_run (pdq_t *pdq);
260 pdq_state_t pdq_stop (pdq_t *pdq);
261
262 /*
263 * OS dependent functions provided by
264 * pdq_ifsubr.c or pdq.c to the bus front ends
265 */
266 void pdq_ifattach (pdq_softc_t *);
267 void pdq_ifdetach (pdq_softc_t *);
268 void pdq_free (device_t);
269 int pdq_interrupt (pdq_t *pdq);
270 void pdq_hwreset (pdq_t *pdq);
271 pdq_t * pdq_initialize (pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
272 const char *name, int unit,
273 void *ctx, pdq_type_t type);
274 /*
275 * Misc prototypes.
276 */
277 void pdq_flush_transmitter(pdq_t *pdq);
Cache object: 004bb1dd03e23c4e91469de9b4b0eab0
|