1 /*- 2 * Copyright (c) 2003 Hidetoshi Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the acknowledgement as bellow: 16 * 17 * This product includes software developed by K. Kobayashi and H. Shimokawa 18 * 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 * 36 */ 37 38 #ifdef __DragonFly__ 39 typedef d_thread_t fw_proc; 40 #include <sys/select.h> 41 #elif __FreeBSD_version >= 500000 42 typedef struct thread fw_proc; 43 #include <sys/selinfo.h> 44 #else 45 typedef struct proc fw_proc; 46 #include <sys/select.h> 47 #endif 48 49 #include <sys/uio.h> 50 #include <sys/mutex.h> 51 #include <sys/taskqueue.h> 52 53 #define splfw splimp 54 55 STAILQ_HEAD(fw_xferlist, fw_xfer); 56 57 struct fw_device{ 58 uint16_t dst; 59 struct fw_eui64 eui; 60 uint8_t speed; 61 uint8_t maxrec; 62 uint8_t nport; 63 uint8_t power; 64 #define CSRROMOFF 0x400 65 #define CSRROMSIZE 0x400 66 int rommax; /* offset from 0xffff f000 0000 */ 67 uint32_t csrrom[CSRROMSIZE/4]; 68 int rcnt; 69 struct firewire_comm *fc; 70 uint32_t status; 71 #define FWDEVINIT 1 72 #define FWDEVATTACHED 2 73 #define FWDEVINVAL 3 74 STAILQ_ENTRY(fw_device) link; 75 }; 76 77 struct firewire_softc { 78 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 79 struct cdev *dev; 80 #endif 81 struct firewire_comm *fc; 82 }; 83 84 #define FW_MAX_DMACH 0x20 85 #define FW_MAX_DEVCH FW_MAX_DMACH 86 #define FW_XFERTIMEOUT 1 87 88 struct firewire_dev_comm { 89 device_t dev; 90 struct firewire_comm *fc; 91 void (*post_busreset) (void *); 92 void (*post_explore) (void *); 93 }; 94 95 struct tcode_info { 96 u_char hdr_len; /* IEEE1394 header length */ 97 u_char flag; 98 #define FWTI_REQ (1 << 0) 99 #define FWTI_RES (1 << 1) 100 #define FWTI_TLABEL (1 << 2) 101 #define FWTI_BLOCK_STR (1 << 3) 102 #define FWTI_BLOCK_ASY (1 << 4) 103 u_char valid_res; 104 }; 105 106 struct firewire_comm{ 107 device_t dev; 108 device_t bdev; 109 uint16_t busid:10, 110 nodeid:6; 111 u_int mode; 112 u_int nport; 113 u_int speed; 114 u_int maxrec; 115 u_int irm; 116 u_int max_node; 117 u_int max_hop; 118 #define FWPHYASYST (1 << 0) 119 uint32_t status; 120 #define FWBUSDETACH (-2) 121 #define FWBUSNOTREADY (-1) 122 #define FWBUSRESET 0 123 #define FWBUSINIT 1 124 #define FWBUSCYMELECT 2 125 #define FWBUSMGRELECT 3 126 #define FWBUSMGRDONE 4 127 #define FWBUSEXPLORE 5 128 #define FWBUSPHYCONF 6 129 #define FWBUSEXPDONE 7 130 #define FWBUSCOMPLETION 10 131 int nisodma; 132 struct fw_eui64 eui; 133 struct fw_xferq 134 *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH]; 135 struct fw_xferlist tlabels[0x40]; 136 u_char last_tlabel[0x40]; 137 struct mtx tlabel_lock; 138 STAILQ_HEAD(, fw_bind) binds; 139 STAILQ_HEAD(, fw_device) devices; 140 u_int sid_cnt; 141 #define CSRSIZE 0x4000 142 uint32_t csr_arc[CSRSIZE/4]; 143 #define CROMSIZE 0x400 144 uint32_t *config_rom; 145 struct crom_src_buf *crom_src_buf; 146 struct crom_src *crom_src; 147 struct crom_chunk *crom_root; 148 struct fw_topology_map *topology_map; 149 struct fw_speed_map *speed_map; 150 struct callout busprobe_callout; 151 struct callout bmr_callout; 152 struct callout timeout_callout; 153 struct task task_timeout; 154 uint32_t (*cyctimer) (struct firewire_comm *); 155 void (*ibr) (struct firewire_comm *); 156 uint32_t (*set_bmr) (struct firewire_comm *, uint32_t); 157 int (*ioctl) (struct cdev *, u_long, caddr_t, int, fw_proc *); 158 int (*irx_enable) (struct firewire_comm *, int); 159 int (*irx_disable) (struct firewire_comm *, int); 160 int (*itx_enable) (struct firewire_comm *, int); 161 int (*itx_disable) (struct firewire_comm *, int); 162 void (*timeout) (void *); 163 void (*poll) (struct firewire_comm *, int, int); 164 void (*set_intr) (struct firewire_comm *, int); 165 void (*irx_post) (struct firewire_comm *, uint32_t *); 166 void (*itx_post) (struct firewire_comm *, uint32_t *); 167 struct tcode_info *tcode; 168 bus_dma_tag_t dmat; 169 struct mtx mtx; 170 struct mtx wait_lock; 171 struct taskqueue *taskqueue; 172 struct proc *probe_thread; 173 }; 174 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4]) 175 176 #define FW_GMTX(fc) (&(fc)->mtx) 177 #define FW_GLOCK(fc) mtx_lock(FW_GMTX(fc)) 178 #define FW_GUNLOCK(fc) mtx_unlock(FW_GMTX(fc)) 179 #define FW_GLOCK_ASSERT(fc) mtx_assert(FW_GMTX(fc), MA_OWNED) 180 181 struct fw_xferq { 182 int flag; 183 #define FWXFERQ_CHTAGMASK 0xff 184 #define FWXFERQ_RUNNING (1 << 8) 185 #define FWXFERQ_STREAM (1 << 9) 186 187 #define FWXFERQ_BULK (1 << 11) 188 #define FWXFERQ_MODEMASK (7 << 10) 189 190 #define FWXFERQ_EXTBUF (1 << 13) 191 #define FWXFERQ_OPEN (1 << 14) 192 193 #define FWXFERQ_HANDLER (1 << 16) 194 #define FWXFERQ_WAKEUP (1 << 17) 195 void (*start) (struct firewire_comm*); 196 int dmach; 197 struct fw_xferlist q; 198 u_int queued; 199 u_int maxq; 200 u_int psize; 201 struct fwdma_alloc_multi *buf; 202 u_int bnchunk; 203 u_int bnpacket; 204 struct fw_bulkxfer *bulkxfer; 205 STAILQ_HEAD(, fw_bulkxfer) stvalid; 206 STAILQ_HEAD(, fw_bulkxfer) stfree; 207 STAILQ_HEAD(, fw_bulkxfer) stdma; 208 struct fw_bulkxfer *stproc; 209 struct selinfo rsel; 210 caddr_t sc; 211 void (*hand) (struct fw_xferq *); 212 }; 213 214 struct fw_bulkxfer{ 215 int poffset; 216 struct mbuf *mbuf; 217 STAILQ_ENTRY(fw_bulkxfer) link; 218 caddr_t start; 219 caddr_t end; 220 int resp; 221 }; 222 223 struct fw_bind{ 224 u_int64_t start; 225 u_int64_t end; 226 struct fw_xferlist xferlist; 227 STAILQ_ENTRY(fw_bind) fclist; 228 STAILQ_ENTRY(fw_bind) chlist; 229 void *sc; 230 }; 231 232 struct fw_xfer{ 233 caddr_t sc; 234 struct firewire_comm *fc; 235 struct fw_xferq *q; 236 struct timeval tv; 237 int8_t resp; 238 #define FWXF_INIT 0x00 239 #define FWXF_INQ 0x01 240 #define FWXF_START 0x02 241 #define FWXF_SENT 0x04 242 #define FWXF_SENTERR 0x08 243 #define FWXF_BUSY 0x10 244 #define FWXF_RCVD 0x20 245 246 #define FWXF_WAKE 0x80 247 uint8_t flag; 248 int8_t tl; 249 void (*hand) (struct fw_xfer *); 250 struct { 251 struct fw_pkt hdr; 252 uint32_t *payload; 253 uint16_t pay_len; 254 uint8_t spd; 255 } send, recv; 256 struct mbuf *mbuf; 257 STAILQ_ENTRY(fw_xfer) link; 258 STAILQ_ENTRY(fw_xfer) tlabel; 259 struct malloc_type *malloc; 260 }; 261 262 struct fw_rcv_buf { 263 struct firewire_comm *fc; 264 struct fw_xfer *xfer; 265 struct iovec *vec; 266 u_int nvec; 267 uint8_t spd; 268 }; 269 270 void fw_sidrcv (struct firewire_comm *, uint32_t *, u_int); 271 void fw_rcv (struct fw_rcv_buf *); 272 void fw_xfer_unload ( struct fw_xfer*); 273 void fw_xfer_free_buf ( struct fw_xfer*); 274 void fw_xfer_free ( struct fw_xfer*); 275 struct fw_xfer *fw_xfer_alloc (struct malloc_type *); 276 struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int); 277 void fw_init (struct firewire_comm *); 278 int fw_tbuf_update (struct firewire_comm *, int, int); 279 int fw_rbuf_update (struct firewire_comm *, int, int); 280 int fw_bindadd (struct firewire_comm *, struct fw_bind *); 281 int fw_bindremove (struct firewire_comm *, struct fw_bind *); 282 int fw_xferlist_add (struct fw_xferlist *, struct malloc_type *, int, int, int, 283 struct firewire_comm *, void *, void (*)(struct fw_xfer *)); 284 void fw_xferlist_remove (struct fw_xferlist *); 285 int fw_asyreq (struct firewire_comm *, int, struct fw_xfer*); 286 void fw_busreset (struct firewire_comm *, uint32_t); 287 uint16_t fw_crc16 (uint32_t *, uint32_t); 288 void fw_xfer_timeout (void *); 289 void fw_xfer_done (struct fw_xfer *); 290 void fw_xferwake (struct fw_xfer *); 291 int fw_xferwait (struct fw_xfer *); 292 void fw_asy_callback_free (struct fw_xfer *); 293 struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int); 294 struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *); 295 struct fw_bind *fw_bindlookup (struct firewire_comm *, uint16_t, uint32_t); 296 void fw_drain_txq (struct firewire_comm *); 297 int fwdev_makedev (struct firewire_softc *); 298 int fwdev_destroydev (struct firewire_softc *); 299 void fwdev_clone (void *, struct ucred *, char *, int, struct cdev **); 300 int fw_open_isodma(struct firewire_comm *, int); 301 302 extern int firewire_debug; 303 extern devclass_t firewire_devclass; 304 extern int firewire_phydma_enable; 305 306 #ifdef __DragonFly__ 307 #define FWPRI PCATCH 308 #else 309 #define FWPRI ((PZERO+8)|PCATCH) 310 #endif 311 312 #if defined(__DragonFly__) || __FreeBSD_version < 500000 313 #define CALLOUT_INIT(x) callout_init(x) 314 #else 315 #define CALLOUT_INIT(x) callout_init(x, 1 /* mpsafe */) 316 #endif 317 318 #if defined(__DragonFly__) || __FreeBSD_version < 500000 319 /* compatibility shim for 4.X */ 320 #define bio buf 321 #define bio_bcount b_bcount 322 #define bio_cmd b_flags 323 #define bio_count b_count 324 #define bio_data b_data 325 #define bio_dev b_dev 326 #define bio_error b_error 327 #define bio_flags b_flags 328 #define bio_offset b_offset 329 #define bio_resid b_resid 330 #define BIO_ERROR B_ERROR 331 #define BIO_READ B_READ 332 #define BIO_WRITE B_WRITE 333 #define MIN(a,b) (((a)<(b))?(a):(b)) 334 #define MAX(a,b) (((a)>(b))?(a):(b)) 335 #endif 336 337 MALLOC_DECLARE(M_FW); 338 MALLOC_DECLARE(M_FWXFER); 339