Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/pdq/pdqvar.h
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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 */
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