1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
4  * Copyright (c) 2002-2003
71 	&fwmem_eui64.hi, 0, "Fwmem target EUI64 high");
74 SYSCTL_INT(_hw_firewire_fwmem, OID_AUTO, speed, CTLFLAG_RW, &fwmem_speed, 0,
75 	"Fwmem link speed");
104 	xfer->fc = fwdev->fc;  in fwmem_xfer_req()
105 	xfer->send.hdr.mode.hdr.dst = FWLOCALBUS | fwdev->dst;  in fwmem_xfer_req()
107 		xfer->send.spd = fwdev->speed;  in fwmem_xfer_req()
109 		xfer->send.spd = min(spd, fwdev->speed);  in fwmem_xfer_req()
110 	xfer->hand = hand;  in fwmem_xfer_req()
111 	xfer->sc = sc;  in fwmem_xfer_req()
112 	xfer->send.pay_len = slen;  in fwmem_xfer_req()
113 	xfer->recv.pay_len = rlen;  in fwmem_xfer_req()
136 	fp = &xfer->send.hdr;  in fwmem_read_quad()
137 	fp->mode.rreqq.tcode = FWTCODE_RREQQ;  in fwmem_read_quad()
138 	fp->mode.rreqq.dest_hi = dst_hi;  in fwmem_read_quad()
139 	fp->mode.rreqq.dest_lo = dst_lo;  in fwmem_read_quad()
141 	xfer->send.payload = NULL;  in fwmem_read_quad()
142 	xfer->recv.payload = (uint32_t *)data;  in fwmem_read_quad()
145 		printf("fwmem_read_quad: %d %04x:%08x\n", fwdev->dst,  in fwmem_read_quad()
148 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)  in fwmem_read_quad()
172 	fp = &xfer->send.hdr;  in fwmem_write_quad()
173 	fp->mode.wreqq.tcode = FWTCODE_WREQQ;  in fwmem_write_quad()
174 	fp->mode.wreqq.dest_hi = dst_hi;  in fwmem_write_quad()
175 	fp->mode.wreqq.dest_lo = dst_lo;  in fwmem_write_quad()
176 	fp->mode.wreqq.data = *(uint32_t *)data;  in fwmem_write_quad()
178 	xfer->send.payload = xfer->recv.payload = NULL;  in fwmem_write_quad()
181 		printf("fwmem_write_quad: %d %04x:%08x %08x\n", fwdev->dst,  in fwmem_write_quad()
184 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)  in fwmem_write_quad()
209 	fp = &xfer->send.hdr;  in fwmem_read_block()
210 	fp->mode.rreqb.tcode = FWTCODE_RREQB;  in fwmem_read_block()
211 	fp->mode.rreqb.dest_hi = dst_hi;  in fwmem_read_block()
212 	fp->mode.rreqb.dest_lo = dst_lo;  in fwmem_read_block()
213 	fp->mode.rreqb.len = len;  in fwmem_read_block()
214 	fp->mode.rreqb.extcode = 0;  in fwmem_read_block()
216 	xfer->send.payload = NULL;  in fwmem_read_block()
217 	xfer->recv.payload = data;  in fwmem_read_block()
220 		printf("fwmem_read_block: %d %04x:%08x %d\n", fwdev->dst,  in fwmem_read_block()
222 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)  in fwmem_read_block()
247 	fp = &xfer->send.hdr;  in fwmem_write_block()
248 	fp->mode.wreqb.tcode = FWTCODE_WREQB;  in fwmem_write_block()
249 	fp->mode.wreqb.dest_hi = dst_hi;  in fwmem_write_block()
250 	fp->mode.wreqb.dest_lo = dst_lo;  in fwmem_write_block()
251 	fp->mode.wreqb.len = len;  in fwmem_write_block()
252 	fp->mode.wreqb.extcode = 0;  in fwmem_write_block()
254 	xfer->send.payload = data;  in fwmem_write_block()
255 	xfer->recv.payload = NULL;  in fwmem_write_block()
258 		printf("fwmem_write_block: %d %04x:%08x %d\n", fwdev->dst,  in fwmem_write_block()
260 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)  in fwmem_write_block()
278 	FW_GLOCK(sc->fc);  in fwmem_open()
279 	if (dev->si_drv1 != NULL) {  in fwmem_open()
281 			FW_GUNLOCK(sc->fc);  in fwmem_open()
284 		FW_GUNLOCK(sc->fc);  in fwmem_open()
285 		fms = dev->si_drv1;  in fwmem_open()
286 		fms->refcount++;  in fwmem_open()
288 		dev->si_drv1 = (void *)-1;  in fwmem_open()
289 		FW_GUNLOCK(sc->fc);  in fwmem_open()
290 		dev->si_drv1 = malloc(sizeof(struct fwmem_softc),  in fwmem_open()
292 		dev->si_iosize_max = DFLTPHYS;  in fwmem_open()
293 		fms = dev->si_drv1;  in fwmem_open()
294 		bcopy(&fwmem_eui64, &fms->eui, sizeof(struct fw_eui64));  in fwmem_open()
295 		fms->sc = sc;  in fwmem_open()
296 		fms->refcount = 1;  in fwmem_open()
299 		printf("%s: refcount=%d\n", __func__, fms->refcount);  in fwmem_open()
309 	fms = dev->si_drv1;  in fwmem_close()
311 	FW_GLOCK(fms->sc->fc);  in fwmem_close()
312 	fms->refcount--;  in fwmem_close()
313 	FW_GUNLOCK(fms->sc->fc);  in fwmem_close()
315 		printf("%s: refcount=%d\n", __func__, fms->refcount);  in fwmem_close()
316 	if (fms->refcount < 1) {  in fwmem_close()
317 		free(dev->si_drv1, M_FWMEM);  in fwmem_close()
318 		dev->si_drv1 = NULL;  in fwmem_close()
330 	bp = (struct bio *)xfer->sc;  in fwmem_biodone()
331 	bp->bio_error = xfer->resp;  in fwmem_biodone()
333 	if (bp->bio_error != 0) {  in fwmem_biodone()
335 			printf("%s: err=%d\n", __func__, bp->bio_error);  in fwmem_biodone()
336 		bp->bio_flags |= BIO_ERROR;  in fwmem_biodone()
337 		bp->bio_resid = bp->bio_bcount;  in fwmem_biodone()
353 	dev = bp->bio_dev;  in fwmem_strategy()
356 	fms = dev->si_drv1;  in fwmem_strategy()
357 	fwdev = fw_noderesolve_eui64(fms->sc->fc, &fms->eui);  in fwmem_strategy()
361 			    fms->eui.hi, fms->eui.lo);  in fwmem_strategy()
366 	iolen = MIN(bp->bio_bcount, MAXLEN);  in fwmem_strategy()
367 	if (bp->bio_cmd == BIO_READ) {  in fwmem_strategy()
368 		if (iolen == 4 && (bp->bio_offset & 3) == 0)  in fwmem_strategy()
371 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,  in fwmem_strategy()
372 			    bp->bio_data, fwmem_biodone);  in fwmem_strategy()
376 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,  in fwmem_strategy()
377 			    iolen, bp->bio_data, fwmem_biodone);  in fwmem_strategy()
379 		if (iolen == 4 && (bp->bio_offset & 3) == 0)  in fwmem_strategy()
382 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,  in fwmem_strategy()
383 			    bp->bio_data, fwmem_biodone);  in fwmem_strategy()
387 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,  in fwmem_strategy()
388 			    iolen, bp->bio_data, fwmem_biodone);  in fwmem_strategy()
395 	bp->bio_resid = bp->bio_bcount - iolen;  in fwmem_strategy()
400 		bp->bio_error = err;  in fwmem_strategy()
401 		bp->bio_flags |= BIO_ERROR;  in fwmem_strategy()
402 		bp->bio_resid = bp->bio_bcount;  in fwmem_strategy()
413 	fms = dev->si_drv1;  in fwmem_ioctl()
416 		bcopy(data, &fms->eui, sizeof(struct fw_eui64));  in fwmem_ioctl()
419 		bcopy(&fms->eui, data, sizeof(struct fw_eui64));  in fwmem_ioctl()