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