FreeBSD/Linux Kernel Cross Reference
sys/dev/pdq/pdqvar.h
1 /*-
2 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. The name of the author may not be used to endorse or promote products
11 * derived from this software withough specific prior written permission
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * $FreeBSD$
25 *
26 */
27
28 /*
29 * DEC PDQ FDDI Controller; PDQ O/S dependent definitions
30 *
31 * Written by Matt Thomas
32 *
33 */
34
35 #ifndef _PDQ_OS_H
36 #define _PDQ_OS_H
37
38 #define PDQ_OS_TX_TIMEOUT 5 /* seconds */
39
40 typedef struct _pdq_t pdq_t;
41 typedef struct _pdq_csrs_t pdq_csrs_t;
42 typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
43 typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
44 typedef unsigned int pdq_uint32_t;
45 typedef unsigned short pdq_uint16_t;
46 typedef unsigned char pdq_uint8_t;
47 typedef enum _pdq_boolean_t pdq_boolean_t;
48 typedef enum _pdq_type_t pdq_type_t;
49 typedef enum _pdq_state_t pdq_state_t;
50
51 enum _pdq_type_t {
52 PDQ_DEFPA, /* PCI-bus */
53 PDQ_DEFEA, /* EISA-bus */
54 PDQ_DEFTA, /* TurboChannel */
55 PDQ_DEFAA, /* FutureBus+ */
56 PDQ_DEFQA /* Q-bus */
57 };
58
59 #if defined(PDQTEST)
60 #include <pdq_os_test.h>
61 #elif defined(__FreeBSD__) || defined(__bsdi__) || defined(__NetBSD__)
62
63 #include <sys/param.h>
64 #include <sys/systm.h>
65 #ifndef M_MCAST
66 #include <sys/mbuf.h>
67 #endif /* M_CAST */
68 #include <sys/malloc.h>
69 #include <vm/vm.h>
70 #include <vm/vm_kern.h>
71
72 #define PDQ_USE_MBUFS
73 #if defined(__NetBSD__)
74 #define PDQ_OS_PREFIX "%s: "
75 #define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name
76 #else
77 #define PDQ_OS_PREFIX "%s%d: "
78 #define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name, pdq->pdq_unit
79 #endif
80 #if defined(__FreeBSD__) && BSD >= 199506
81 #define PDQ_OS_PAGESIZE PAGE_SIZE
82 #else
83 #define PDQ_OS_PAGESIZE NBPG
84 #endif
85 #define PDQ_OS_USEC_DELAY(n) DELAY(n)
86 #define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
87 #if defined(__NetBSD__) && defined(__alpha__)
88 #define PDQ_OS_VA_TO_PA(pdq, p) (vtophys((vm_offset_t)p) | (pdq->pdq_type == PDQ_DEFTA ? 0 : 0x40000000))
89 #else
90 #define PDQ_OS_VA_TO_PA(pdq, p) vtophys(p)
91 #endif
92 #define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
93 #define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
94 #ifdef __FreeBSD__
95 #define PDQ_OS_MEMALLOC_CONTIG(n) vm_page_alloc_contig(n, 0, 0xffffffff, PAGE_SIZE)
96 #define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
97 #else
98 #define PDQ_OS_MEMALLOC_CONTIG(n) kmem_alloc(kernel_map, round_page(n))
99 #define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
100 #endif /* __FreeBSD__ */
101
102 #if defined(__FreeBSD__)
103 #include <vm/pmap.h>
104 #include <vm/vm_extern.h>
105 #include <machine/cpufunc.h>
106 #include <machine/clock.h>
107 typedef void ifnet_ret_t;
108 typedef u_long ioctl_cmd_t;
109 typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
110 typedef u_int16_t pdq_bus_ioport_t;
111 typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
112 typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
113 #if BSD >= 199506 /* __FreeBSD__ */
114 #define PDQ_BPF_MTAP(sc, m) bpf_mtap(&(sc)->sc_if, m)
115 #define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_if, t, s)
116 #endif
117
118
119 #elif defined(__bsdi__)
120 #include <machine/inline.h>
121 typedef int ifnet_ret_t;
122 typedef int ioctl_cmd_t;
123 typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
124 typedef u_int16_t pdq_bus_ioport_t;
125 typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
126 typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
127
128
129 #elif defined(__NetBSD__)
130 #include <machine/bus.h>
131 #include <machine/intr.h>
132 #define PDQ_OS_PTR_FMT "%p"
133 typedef void ifnet_ret_t;
134 typedef u_long ioctl_cmd_t;
135 typedef bus_chipset_tag_t pdq_bus_t;
136 typedef bus_io_handle_t pdq_bus_ioport_t;
137 #if defined(PDQ_IOMAPPED)
138 typedef bus_io_handle_t pdq_bus_memaddr_t;
139 #else
140 typedef bus_mem_handle_t pdq_bus_memaddr_t;
141 #endif
142 typedef pdq_uint32_t pdq_bus_memoffset_t;
143 #define PDQ_OS_IOMEM
144 #define PDQ_OS_IORD_32(t, base, offset) bus_io_read_4 (t, base, offset)
145 #define PDQ_OS_IOWR_32(t, base, offset, data) bus_io_write_4 (t, base, offset, data)
146 #define PDQ_OS_IORD_8(t, base, offset) bus_io_read_1 (t, base, offset)
147 #define PDQ_OS_IOWR_8(t, base, offset, data) bus_io_write_1 (t, base, offset, data)
148 #define PDQ_OS_MEMRD_32(t, base, offset) bus_mem_read_4(t, base, offset)
149 #define PDQ_OS_MEMWR_32(t, base, offset, data) bus_mem_write_4(t, base, offset, data)
150 #define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
151
152 #if defined(PDQ_IOMAPPED)
153 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
154 #define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
155 #else
156 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
157 #define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
158 #endif
159
160 #endif
161
162 #if !defined(PDQ_BPF_MTAP)
163 #define PDQ_BPF_MTAP(sc, m) bpf_mtap((sc)->sc_bpf, m)
164 #endif
165
166 #if !defined(PDQ_BPFATTACH)
167 #define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_bpf, &(sc)->sc_if, t, s)
168 #endif
169
170 #if !defined(PDQ_OS_PTR_FMT)
171 #define PDQ_OS_PTR_FMT "0x%x"
172 #endif
173
174 #if !defined(PDQ_OS_IOMEM)
175 #define PDQ_OS_IORD_32(t, base, offset) inl((base) + (offset))
176 #define PDQ_OS_IOWR_32(t, base, offset, data) outl((base) + (offset), data)
177 #define PDQ_OS_IORD_8(t, base, offset) inb((base) + (offset))
178 #define PDQ_OS_IOWR_8(t, base, offset, data) outb((base) + (offset), data)
179 #define PDQ_OS_MEMRD_32(t, base, offset) (0 + *((base) + (offset)))
180 #define PDQ_OS_MEMWR_32(t, base, offset, data) do *((base) + (offset)) = (data); while (0)
181 #endif
182 #ifndef PDQ_CSR_OFFSET
183 #define PDQ_CSR_OFFSET(base, offset) (0 + (base) + (offset))
184 #endif
185
186 #ifndef PDQ_CSR_WRITE
187 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->name, 0, data)
188 #define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->name, 0)
189 #endif
190
191 #if !defined(PDQ_HWSUPPORT)
192
193 typedef struct {
194 #if defined(__bsdi__)
195 struct device sc_dev; /* base device */
196 struct isadev sc_id; /* ISA device */
197 struct intrhand sc_ih; /* interrupt vectoring */
198 struct atshutdown sc_ats; /* shutdown routine */
199 #elif defined(__NetBSD__)
200 struct device sc_dev; /* base device */
201 void *sc_ih; /* interrupt vectoring */
202 void *sc_ats; /* shutdown hook */
203 #elif defined(__FreeBSD__)
204 struct kern_devconf *sc_kdc; /* freebsd cruft */
205 #endif
206 struct arpcom sc_ac;
207 #define sc_if sc_ac.ac_if
208 pdq_t *sc_pdq;
209 #if defined(__alpha__) || defined(__i386__)
210 pdq_bus_ioport_t sc_iobase;
211 #endif
212 #ifdef PDQ_IOMAPPED
213 #define sc_membase sc_iobase
214 #else
215 pdq_bus_memaddr_t sc_membase;
216 #endif
217 pdq_bus_t sc_bc;
218 #if !defined(__bsdi__) || _BSDI_VERSION >= 199401
219 #define sc_bpf sc_if.if_bpf
220 #else
221 caddr_t sc_bpf;
222 #endif
223 } pdq_softc_t;
224
225
226 extern void pdq_ifreset(pdq_softc_t *sc);
227 extern void pdq_ifinit(pdq_softc_t *sc);
228 extern void pdq_ifwatchdog(struct ifnet *ifp);
229 extern ifnet_ret_t pdq_ifstart(struct ifnet *ifp);
230 extern int pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data);
231 extern void pdq_ifattach(pdq_softc_t *sc, ifnet_ret_t (*ifwatchdog)(int unit));
232 #endif /* !PDQ_HWSUPPORT */
233
234
235 #elif defined(DLPI_PDQ)
236 #include <sys/param.h>
237 #include <sys/kmem.h>
238 #include <sys/ddi.h>
239 #include <sys/stream.h>
240
241 #define PDQ_USE_STREAMS
242 #define PDQ_OS_PREFIX "%s board %d "
243 #define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name, pdq->pdq_unit
244
245 #define PDQ_OS_PAGESIZE PAGESIZE
246 #define PDQ_OS_USEC_DELAY(n) drv_usecwait(n)
247 #define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
248 #define PDQ_OS_VA_TO_PA(pdq, p) vtop((caddr_t)p, NULL)
249 #define PDQ_OS_MEMALLOC(n) kmem_zalloc(n, KM_NOSLEEP)
250 #define PDQ_OS_MEMFREE(p, n) kmem_free((caddr_t) p, n)
251 #define PDQ_OS_MEMALLOC_CONTIG(n) kmem_zalloc_physreq(n, decfddiphysreq_db, KM_NOSLEEP)
252 #define PDQ_OS_MEMFREE_CONTIG(p, n) PDQ_OS_MEMFREE(p, n)
253
254 extern physreq_t *decfddiphysreq_db;
255 extern physreq_t *decfddiphysreq_mblk;
256
257 #define PDQ_OS_DATABUF_ALLOC(b) ((void) (((b) = allocb_physreq(PDQ_OS_DATABUF_SIZE, BPRI_MED, decfddiphysreq_mblk)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
258
259 #define PDQ_OS_IORD_8(port) inb(port)
260 #define PDQ_OS_IOWR_8(port, data) outb(port, data)
261 #endif
262
263
264 #ifdef PDQ_USE_MBUFS
265 #define PDQ_OS_DATABUF_SIZE (MCLBYTES)
266 #define PDQ_OS_DATABUF_FREE(b) (m_freem(b))
267 #define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
268 #define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
269 #define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
270 #define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
271 #define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
272 #define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
273 /* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */
274 #define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
275 #define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
276 typedef struct mbuf PDQ_OS_DATABUF_T;
277
278 #define PDQ_OS_DATABUF_ALLOC(b) do { \
279 PDQ_OS_DATABUF_T *x_m0; \
280 MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
281 if (x_m0 != NULL) { \
282 MCLGET(x_m0, M_DONTWAIT); \
283 if ((x_m0->m_flags & M_EXT) == 0) { \
284 m_free(x_m0); \
285 (b) = NULL; \
286 } else { \
287 (b) = x_m0; \
288 x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
289 } \
290 } else { \
291 (b) = NULL; \
292 } \
293 } while (0)
294 #define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
295 #endif /* PDQ_USE_MBUFS */
296
297 #ifdef PDQ_USE_STREAMS
298 #define PDQ_OS_DATABUF_SIZE (2048)
299 #define PDQ_OS_DATABUF_FREE(b) (freemsg(b))
300 #define PDQ_OS_DATABUF_NEXT(b) ((b)->b_cont)
301 #define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->b_cont = (b1))
302 #define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->b_next)
303 #define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->b_next = (b1))
304 #define PDQ_OS_DATABUF_LEN(b) ((b)->b_wptr - (b)->b_rptr)
305 #define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->b_wptr = (b)->b_rptr + (n))
306 /*#define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->b_wptr += (n))*/
307 #define PDQ_OS_DATABUF_PTR(b) ((pdq_uint8_t *) (b)->b_rptr)
308 #define PDQ_OS_DATABUF_ADJ(b, n) ((b)->b_rptr += (n))
309 typedef mblk_t PDQ_OS_DATABUF_T;
310
311 #ifndef PDQ_OS_DATABUF_ALLOC
312 #define PDQ_OS_DATABUF_ALLOC(b) ((void) (((b) = allocb(PDQ_OS_DATABUF_SIZE, BPRI_MED)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
313 #endif /* PDQ_OS_DATABUF_ALLOC */
314 #endif /* PDQ_USE_STREAMS */
315
316 #define PDQ_OS_TX_TRANSMIT 5
317
318 #define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
319 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
320 if ((q)->q_tail == NULL) \
321 (q)->q_head = (b); \
322 else \
323 PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
324 (q)->q_tail = (b); \
325 } while (0)
326
327 #define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
328 if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
329 if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
330 (q)->q_tail = NULL; \
331 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
332 } \
333 } while (0)
334
335 extern void pdq_os_addr_fill(pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
336 extern void pdq_os_receive_pdu(pdq_t *, PDQ_OS_DATABUF_T *pdu, size_t pdulen);
337 extern void pdq_os_restart_transmitter(pdq_t *pdq);
338 extern void pdq_os_transmit_done(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
339
340 extern pdq_boolean_t pdq_queue_transmit_data(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
341 extern void pdq_flush_transmitter(pdq_t *pdq);
342
343 extern void pdq_run(pdq_t *pdq);
344 extern pdq_state_t pdq_stop(pdq_t *pdq);
345 extern void pdq_hwreset(pdq_t *pdq);
346
347 extern int pdq_interrupt(pdq_t *pdq);
348 extern pdq_t *pdq_initialize(pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
349 const char *name, int unit,
350 void *ctx, pdq_type_t type);
351 #endif /* _PDQ_OS_H */
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