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 #elif defined(__FreeBSD__) && defined(__alpha__)
90 #define PDQ_OS_VA_TO_PA(pdq, p) (vtophys((vm_offset_t)p) | (pdq->pdq_type == PDQ_DEFTA ? 0 : alpha_XXX_dmamap_or))
91 #else
92 #define PDQ_OS_VA_TO_PA(pdq, p) vtophys(p)
93 #endif
94 #define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
95 #define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
96 #ifdef __FreeBSD__
97 #define PDQ_OS_MEMALLOC_CONTIG(n) vm_page_alloc_contig(n, 0, 0xffffffff, PAGE_SIZE)
98 #define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
99 #else
100 #define PDQ_OS_MEMALLOC_CONTIG(n) kmem_alloc(kernel_map, round_page(n))
101 #define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
102 #endif /* __FreeBSD__ */
103
104 #if defined(__FreeBSD__)
105 #include <vm/pmap.h>
106 #include <vm/vm_extern.h>
107 #include <machine/bus.h>
108 #include <machine/cpufunc.h>
109 #include <machine/clock.h>
110 typedef void ifnet_ret_t;
111 typedef u_long ioctl_cmd_t;
112 typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
113 typedef u_int16_t pdq_bus_ioport_t;
114 typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
115 typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
116 #if BSD >= 199506 /* __FreeBSD__ */
117 #define PDQ_BPF_MTAP(sc, m) bpf_mtap(&(sc)->sc_if, m)
118 #define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_if, t, s)
119 #endif
120
121
122 #elif defined(__bsdi__)
123 #include <machine/inline.h>
124 typedef int ifnet_ret_t;
125 typedef int ioctl_cmd_t;
126 typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
127 typedef u_int16_t pdq_bus_ioport_t;
128 typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
129 typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
130
131
132 #elif defined(__NetBSD__)
133 #include <machine/bus.h>
134 #include <machine/intr.h>
135 #define PDQ_OS_PTR_FMT "%p"
136 typedef void ifnet_ret_t;
137 typedef u_long ioctl_cmd_t;
138 typedef bus_chipset_tag_t pdq_bus_t;
139 typedef bus_io_handle_t pdq_bus_ioport_t;
140 #if defined(PDQ_IOMAPPED)
141 typedef bus_io_handle_t pdq_bus_memaddr_t;
142 #else
143 typedef bus_mem_handle_t pdq_bus_memaddr_t;
144 #endif
145 typedef pdq_uint32_t pdq_bus_memoffset_t;
146 #define PDQ_OS_IOMEM
147 #define PDQ_OS_IORD_32(t, base, offset) bus_io_read_4 (t, base, offset)
148 #define PDQ_OS_IOWR_32(t, base, offset, data) bus_io_write_4 (t, base, offset, data)
149 #define PDQ_OS_IORD_8(t, base, offset) bus_io_read_1 (t, base, offset)
150 #define PDQ_OS_IOWR_8(t, base, offset, data) bus_io_write_1 (t, base, offset, data)
151 #define PDQ_OS_MEMRD_32(t, base, offset) bus_mem_read_4(t, base, offset)
152 #define PDQ_OS_MEMWR_32(t, base, offset, data) bus_mem_write_4(t, base, offset, data)
153 #define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
154
155 #if defined(PDQ_IOMAPPED)
156 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
157 #define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
158 #else
159 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
160 #define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
161 #endif
162
163 #endif
164
165 #if !defined(PDQ_BPF_MTAP)
166 #define PDQ_BPF_MTAP(sc, m) bpf_mtap((sc)->sc_bpf, m)
167 #endif
168
169 #if !defined(PDQ_BPFATTACH)
170 #define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_bpf, &(sc)->sc_if, t, s)
171 #endif
172
173 #if !defined(PDQ_OS_PTR_FMT)
174 #define PDQ_OS_PTR_FMT "0x%x"
175 #endif
176
177 #if !defined(PDQ_OS_IOMEM)
178 #define PDQ_OS_IORD_32(t, base, offset) inl((base) + (offset))
179 #define PDQ_OS_IOWR_32(t, base, offset, data) outl((base) + (offset), data)
180 #define PDQ_OS_IORD_8(t, base, offset) inb((base) + (offset))
181 #define PDQ_OS_IOWR_8(t, base, offset, data) outb((base) + (offset), data)
182 #define PDQ_OS_MEMRD_32(t, base, offset) readl((base) + (offset))
183 #define PDQ_OS_MEMWR_32(t, base, offset, data) writel((base) + (offset), data)
184 #endif
185 #ifndef PDQ_CSR_OFFSET
186 #define PDQ_CSR_OFFSET(base, offset) (0 + (base) + (offset))
187 #endif
188
189 #ifndef PDQ_CSR_WRITE
190 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->name, 0, data)
191 #define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->name, 0)
192 #endif
193
194 #if !defined(PDQ_HWSUPPORT)
195
196 typedef struct {
197 #if defined(__bsdi__)
198 struct device sc_dev; /* base device */
199 struct isadev sc_id; /* ISA device */
200 struct intrhand sc_ih; /* interrupt vectoring */
201 struct atshutdown sc_ats; /* shutdown routine */
202 #elif defined(__NetBSD__)
203 struct device sc_dev; /* base device */
204 void *sc_ih; /* interrupt vectoring */
205 void *sc_ats; /* shutdown hook */
206 #elif defined(__FreeBSD__)
207 struct kern_devconf *sc_kdc; /* freebsd cruft */
208 #endif
209 struct arpcom sc_ac;
210 #define sc_if sc_ac.ac_if
211 pdq_t *sc_pdq;
212 #if defined(__alpha__) || defined(__i386__)
213 pdq_bus_ioport_t sc_iobase;
214 #endif
215 #ifdef PDQ_IOMAPPED
216 #define sc_membase sc_iobase
217 #else
218 pdq_bus_memaddr_t sc_membase;
219 #endif
220 pdq_bus_t sc_bc;
221 #if !defined(__bsdi__) || _BSDI_VERSION >= 199401
222 #define sc_bpf sc_if.if_bpf
223 #else
224 caddr_t sc_bpf;
225 #endif
226 } pdq_softc_t;
227
228
229 extern void pdq_ifreset(pdq_softc_t *sc);
230 extern void pdq_ifinit(pdq_softc_t *sc);
231 extern void pdq_ifwatchdog(struct ifnet *ifp);
232 extern ifnet_ret_t pdq_ifstart(struct ifnet *ifp);
233 extern int pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data);
234 extern void pdq_ifattach(pdq_softc_t *sc, ifnet_ret_t (*ifwatchdog)(int unit));
235 #endif /* !PDQ_HWSUPPORT */
236
237
238 #elif defined(DLPI_PDQ)
239 #include <sys/param.h>
240 #include <sys/kmem.h>
241 #include <sys/ddi.h>
242 #include <sys/stream.h>
243
244 #define PDQ_USE_STREAMS
245 #define PDQ_OS_PREFIX "%s board %d "
246 #define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name, pdq->pdq_unit
247
248 #define PDQ_OS_PAGESIZE PAGESIZE
249 #define PDQ_OS_USEC_DELAY(n) drv_usecwait(n)
250 #define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
251 #define PDQ_OS_VA_TO_PA(pdq, p) vtop((caddr_t)p, NULL)
252 #define PDQ_OS_MEMALLOC(n) kmem_zalloc(n, KM_NOSLEEP)
253 #define PDQ_OS_MEMFREE(p, n) kmem_free((caddr_t) p, n)
254 #define PDQ_OS_MEMALLOC_CONTIG(n) kmem_zalloc_physreq(n, decfddiphysreq_db, KM_NOSLEEP)
255 #define PDQ_OS_MEMFREE_CONTIG(p, n) PDQ_OS_MEMFREE(p, n)
256
257 extern physreq_t *decfddiphysreq_db;
258 extern physreq_t *decfddiphysreq_mblk;
259
260 #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)))
261
262 #define PDQ_OS_IORD_8(port) inb(port)
263 #define PDQ_OS_IOWR_8(port, data) outb(port, data)
264 #endif
265
266
267 #ifdef PDQ_USE_MBUFS
268 #define PDQ_OS_DATABUF_SIZE (MCLBYTES)
269 #define PDQ_OS_DATABUF_FREE(b) (m_freem(b))
270 #define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
271 #define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
272 #define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
273 #define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
274 #define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
275 #define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
276 /* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */
277 #define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
278 #define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
279 typedef struct mbuf PDQ_OS_DATABUF_T;
280
281 #define PDQ_OS_DATABUF_ALLOC(b) do { \
282 PDQ_OS_DATABUF_T *x_m0; \
283 MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
284 if (x_m0 != NULL) { \
285 MCLGET(x_m0, M_DONTWAIT); \
286 if ((x_m0->m_flags & M_EXT) == 0) { \
287 m_free(x_m0); \
288 (b) = NULL; \
289 } else { \
290 (b) = x_m0; \
291 x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
292 } \
293 } else { \
294 (b) = NULL; \
295 } \
296 } while (0)
297 #define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
298 #endif /* PDQ_USE_MBUFS */
299
300 #ifdef PDQ_USE_STREAMS
301 #define PDQ_OS_DATABUF_SIZE (2048)
302 #define PDQ_OS_DATABUF_FREE(b) (freemsg(b))
303 #define PDQ_OS_DATABUF_NEXT(b) ((b)->b_cont)
304 #define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->b_cont = (b1))
305 #define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->b_next)
306 #define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->b_next = (b1))
307 #define PDQ_OS_DATABUF_LEN(b) ((b)->b_wptr - (b)->b_rptr)
308 #define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->b_wptr = (b)->b_rptr + (n))
309 /*#define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->b_wptr += (n))*/
310 #define PDQ_OS_DATABUF_PTR(b) ((pdq_uint8_t *) (b)->b_rptr)
311 #define PDQ_OS_DATABUF_ADJ(b, n) ((b)->b_rptr += (n))
312 typedef mblk_t PDQ_OS_DATABUF_T;
313
314 #ifndef PDQ_OS_DATABUF_ALLOC
315 #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)))
316 #endif /* PDQ_OS_DATABUF_ALLOC */
317 #endif /* PDQ_USE_STREAMS */
318
319 #define PDQ_OS_TX_TRANSMIT 5
320
321 #define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
322 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
323 if ((q)->q_tail == NULL) \
324 (q)->q_head = (b); \
325 else \
326 PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
327 (q)->q_tail = (b); \
328 } while (0)
329
330 #define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
331 if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
332 if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
333 (q)->q_tail = NULL; \
334 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
335 } \
336 } while (0)
337
338 extern void pdq_os_addr_fill(pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
339 extern void pdq_os_receive_pdu(pdq_t *, PDQ_OS_DATABUF_T *pdu, size_t pdulen);
340 extern void pdq_os_restart_transmitter(pdq_t *pdq);
341 extern void pdq_os_transmit_done(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
342
343 extern pdq_boolean_t pdq_queue_transmit_data(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
344 extern void pdq_flush_transmitter(pdq_t *pdq);
345
346 extern void pdq_run(pdq_t *pdq);
347 extern pdq_state_t pdq_stop(pdq_t *pdq);
348 extern void pdq_hwreset(pdq_t *pdq);
349
350 extern int pdq_interrupt(pdq_t *pdq);
351 extern pdq_t *pdq_initialize(pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
352 const char *name, int unit,
353 void *ctx, pdq_type_t type);
354 #endif /* _PDQ_OS_H */
Cache object: 21a93840f4578b70c16d48be20a8d509
|