pdq_freebsd.h revision 146734
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: head/sys/dev/pdq/pdq_freebsd.h 146734 2005-05-29 04:42:30Z nyan $ 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.h> 52#include <machine/resource.h> 53#include <sys/rman.h> 54 55#include <net/if.h> 56#include <net/if_arp.h> 57#include <net/if_dl.h> 58#include <net/if_media.h> 59#include <net/fddi.h> 60 61#include <net/bpf.h> 62 63#include <vm/vm.h> /* for vtophys */ 64#include <vm/pmap.h> /* for vtophys */ 65#include <machine/clock.h> /* for DELAY */ 66 67#endif /* PDQ_HWSUPPORT */ 68 69typedef struct _pdq_t pdq_t; 70typedef struct _pdq_csrs_t pdq_csrs_t; 71typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t; 72typedef struct _pdq_lanaddr_t pdq_lanaddr_t; 73typedef unsigned int pdq_uint32_t; 74typedef unsigned short pdq_uint16_t; 75typedef unsigned char pdq_uint8_t; 76typedef enum _pdq_boolean_t pdq_boolean_t; 77typedef enum _pdq_type_t pdq_type_t; 78typedef enum _pdq_state_t pdq_state_t; 79typedef struct mbuf PDQ_OS_DATABUF_T; 80 81typedef bus_space_tag_t pdq_bus_t; 82typedef bus_space_handle_t pdq_bus_memaddr_t; 83typedef pdq_bus_memaddr_t pdq_bus_memoffset_t; 84 85extern devclass_t pdq_devclass; 86 87enum _pdq_type_t { 88 PDQ_DEFPA, /* PCI-bus */ 89 PDQ_DEFEA, /* EISA-bus */ 90 PDQ_DEFTA, /* TurboChannel */ 91 PDQ_DEFAA, /* FutureBus+ */ 92 PDQ_DEFQA /* Q-bus */ 93}; 94 95#define sc_ifmedia ifmedia 96#define sc_if arpcom.ac_if 97#define sc_bpf sc_if.if_bpf 98#if 0 /* ALTQ */ 99#define IFQ_DEQUEUE IF_DEQUEUE 100#define IFQ_IS_EMPTY(q) ((q)->ifq_len == 0) 101#endif 102 103typedef struct _pdq_os_ctx_t { 104 struct arpcom arpcom; 105 struct ifmedia ifmedia; 106 device_t dev; 107 int debug; 108 109 pdq_t * sc_pdq; 110 int sc_flags; 111#define PDQIF_DOWNCALL 0x0001 /* active calling from if to pdq */ 112 113 struct resource * io; 114 int io_rid; 115 int io_type; 116 bus_space_handle_t io_bsh; 117 bus_space_tag_t io_bst; 118 119 struct resource * mem; 120 int mem_rid; 121 int mem_type; 122 bus_space_handle_t mem_bsh; 123 bus_space_tag_t mem_bst; 124 125 struct resource * irq; 126 int irq_rid; 127 void * irq_ih; 128 129 struct mtx mtx; 130} pdq_softc_t; 131 132#define PDQ_LOCK(_sc) mtx_lock(&(_sc)->mtx) 133#define PDQ_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx) 134 135#define PDQ_OS_HDR_OFFSET PDQ_RX_FC_OFFSET 136 137#define PDQ_OS_PAGESIZE PAGE_SIZE 138#define PDQ_OS_TX_TRANSMIT 5 139 140#define PDQ_OS_IORD_32(bt, bh, off) bus_space_read_4(bt, bh, off) 141#define PDQ_OS_IOWR_32(bt, bh, off, data) bus_space_write_4(bt, bh, off, data) 142#define PDQ_OS_IORD_8(bt, bh, off) bus_space_read_1(bt, bh, off) 143#define PDQ_OS_IOWR_8(bt, bh, off, data) bus_space_write_1(bt, bh, off, data) 144 145#define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t)) 146#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data) 147#define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name) 148 149#define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b)) 150 151#if defined(PDQ_OSSUPPORT) 152#define PDQ_OS_TX_TIMEOUT 5 /* seconds */ 153 154#define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) (ifp)->if_softc) 155#define PDQ_BPF_MTAP(sc, m) BPF_MTAP(&(sc)->arpcom.ac_if, m) 156 157#endif /* PDQ_OSSUPPORT */ 158 159#if defined(PDQ_HWSUPPORT) 160 161#define PDQ_OS_PREFIX "%s: " 162#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name 163 164#define PDQ_OS_PTR_FMT "%p" 165#define PDQ_OS_CSR_FMT "0x%x" 166 167#define PDQ_OS_USEC_DELAY(n) DELAY(n) 168#ifdef __alpha__ 169#define PDQ_OS_VA_TO_BUSPA(pdq, p) alpha_XXX_dmamap((vm_offset_t)p) 170#else 171#define PDQ_OS_VA_TO_BUSPA(pdq, p) vtophys(p) 172#endif 173 174#define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT) 175#define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF) 176#define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n)) 177#define PDQ_OS_MEMALLOC_CONTIG(n) contigmalloc(n, M_DEVBUF, M_NOWAIT, 0x800000, ~0, PAGE_SIZE, 0) 178#define PDQ_OS_MEMFREE_CONTIG(p, n) contigfree(p, n, M_DEVBUF) 179 180#define PDQ_OS_DATABUF_SIZE (MCLBYTES) 181#define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next) 182#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1)) 183#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt) 184#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1)) 185#define PDQ_OS_DATABUF_LEN(b) ((b)->m_len) 186#define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n)) 187/* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */ 188#define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *)) 189#define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n)) 190 191#define PDQ_OS_DATABUF_ALLOC(pdq, b) do { \ 192 PDQ_OS_DATABUF_T *x_m0; \ 193 MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \ 194 if (x_m0 != NULL) { \ 195 MCLGET(x_m0, M_DONTWAIT); \ 196 if ((x_m0->m_flags & M_EXT) == 0) { \ 197 m_free(x_m0); \ 198 (b) = NULL; \ 199 } else { \ 200 (b) = x_m0; \ 201 x_m0->m_len = PDQ_OS_DATABUF_SIZE; \ 202 } \ 203 } else { \ 204 (b) = NULL; \ 205 } \ 206} while (0) 207 208#define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES) 209 210#define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \ 211 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \ 212 if ((q)->q_tail == NULL) \ 213 (q)->q_head = (b); \ 214 else \ 215 PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \ 216 (q)->q_tail = (b); \ 217} while (0) 218 219#define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \ 220 if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \ 221 if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \ 222 (q)->q_tail = NULL; \ 223 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \ 224 } \ 225} while (0) 226 227#define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b)) 228 229#define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0) 230#define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0) 231#define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0) 232#define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0) 233#define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0) 234#define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0) 235#define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0) 236#define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0) 237#define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0) 238#define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0) 239#define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0) 240#define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0) 241 242#endif /* PDQ_HWSUPPORT */ 243 244/* 245 * OS dependent functions provided by pdq_ifsubr.c to pdq.c 246 */ 247void pdq_os_addr_fill (pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs); 248void pdq_os_receive_pdu (pdq_t *, PDQ_OS_DATABUF_T *, size_t, int); 249void pdq_os_restart_transmitter (pdq_t *pdq); 250void pdq_os_transmit_done (pdq_t *, PDQ_OS_DATABUF_T *); 251void pdq_os_update_status (pdq_t *, const void *); 252 253/* 254 * Driver interfaces functions provided by pdq.c to pdq_ifsubr.c 255 */ 256pdq_boolean_t pdq_queue_transmit_data (pdq_t *pdq, PDQ_OS_DATABUF_T *pdu); 257void pdq_run (pdq_t *pdq); 258pdq_state_t pdq_stop (pdq_t *pdq); 259 260/* 261 * OS dependent functions provided by 262 * pdq_ifsubr.c or pdq.c to the bus front ends 263 */ 264void pdq_ifattach (pdq_softc_t *); 265void pdq_ifdetach (pdq_softc_t *); 266void pdq_free (device_t); 267int pdq_interrupt (pdq_t *pdq); 268void pdq_hwreset (pdq_t *pdq); 269pdq_t * pdq_initialize (pdq_bus_t bus, pdq_bus_memaddr_t csr_va, 270 const char *name, int unit, 271 void *ctx, pdq_type_t type); 272/* 273 * Misc prototypes. 274 */ 275void pdq_flush_transmitter(pdq_t *pdq); 276