xref: /freebsd/sys/dev/firewire/fwmem.c (revision 801167a86954298b173fed5c22afae4c38726324)
1098ca2bdSWarner Losh /*-
277ee030bSHidetoshi Shimokawa  * Copyright (c) 2002-2003
33c60ba66SKatsushi Kobayashi  * 	Hidetoshi Shimokawa. All rights reserved.
43c60ba66SKatsushi Kobayashi  *
53c60ba66SKatsushi Kobayashi  * Redistribution and use in source and binary forms, with or without
63c60ba66SKatsushi Kobayashi  * modification, are permitted provided that the following conditions
73c60ba66SKatsushi Kobayashi  * are met:
83c60ba66SKatsushi Kobayashi  * 1. Redistributions of source code must retain the above copyright
93c60ba66SKatsushi Kobayashi  *    notice, this list of conditions and the following disclaimer.
103c60ba66SKatsushi Kobayashi  * 2. Redistributions in binary form must reproduce the above copyright
113c60ba66SKatsushi Kobayashi  *    notice, this list of conditions and the following disclaimer in the
123c60ba66SKatsushi Kobayashi  *    documentation and/or other materials provided with the distribution.
133c60ba66SKatsushi Kobayashi  * 3. All advertising materials mentioning features or use of this software
143c60ba66SKatsushi Kobayashi  *    must display the following acknowledgement:
153c60ba66SKatsushi Kobayashi  *
163c60ba66SKatsushi Kobayashi  *	This product includes software developed by Hidetoshi Shimokawa.
173c60ba66SKatsushi Kobayashi  *
183c60ba66SKatsushi Kobayashi  * 4. Neither the name of the author nor the names of its contributors
193c60ba66SKatsushi Kobayashi  *    may be used to endorse or promote products derived from this software
203c60ba66SKatsushi Kobayashi  *    without specific prior written permission.
213c60ba66SKatsushi Kobayashi  *
223c60ba66SKatsushi Kobayashi  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
233c60ba66SKatsushi Kobayashi  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
243c60ba66SKatsushi Kobayashi  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
253c60ba66SKatsushi Kobayashi  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
263c60ba66SKatsushi Kobayashi  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
273c60ba66SKatsushi Kobayashi  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
283c60ba66SKatsushi Kobayashi  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
293c60ba66SKatsushi Kobayashi  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
303c60ba66SKatsushi Kobayashi  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
313c60ba66SKatsushi Kobayashi  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
323c60ba66SKatsushi Kobayashi  * SUCH DAMAGE.
333c60ba66SKatsushi Kobayashi  *
343c60ba66SKatsushi Kobayashi  */
353c60ba66SKatsushi Kobayashi 
3610d3ed64SHidetoshi Shimokawa #ifdef __FreeBSD__
37aad970f1SDavid E. O'Brien #include <sys/cdefs.h>
38aad970f1SDavid E. O'Brien __FBSDID("$FreeBSD$");
3910d3ed64SHidetoshi Shimokawa #endif
40aad970f1SDavid E. O'Brien 
413c60ba66SKatsushi Kobayashi #include <sys/param.h>
423c60ba66SKatsushi Kobayashi #include <sys/systm.h>
433c60ba66SKatsushi Kobayashi #include <sys/types.h>
443c60ba66SKatsushi Kobayashi 
453c60ba66SKatsushi Kobayashi #include <sys/kernel.h>
463c60ba66SKatsushi Kobayashi #include <sys/malloc.h>
473c60ba66SKatsushi Kobayashi #include <sys/conf.h>
483c60ba66SKatsushi Kobayashi #include <sys/sysctl.h>
4910d3ed64SHidetoshi Shimokawa #if defined(__DragonFly__) || __FreeBSD_version < 500000
50c4778b5dSHidetoshi Shimokawa #include <sys/buf.h>
51c4778b5dSHidetoshi Shimokawa #else
52c4778b5dSHidetoshi Shimokawa #include <sys/bio.h>
53c4778b5dSHidetoshi Shimokawa #endif
543c60ba66SKatsushi Kobayashi 
553c60ba66SKatsushi Kobayashi #include <sys/bus.h>
5677ee030bSHidetoshi Shimokawa #include <machine/bus.h>
573c60ba66SKatsushi Kobayashi 
583c60ba66SKatsushi Kobayashi #include <sys/signal.h>
593c60ba66SKatsushi Kobayashi #include <sys/mman.h>
603c60ba66SKatsushi Kobayashi #include <sys/ioccom.h>
61132e28bdSHidetoshi Shimokawa #include <sys/fcntl.h>
623c60ba66SKatsushi Kobayashi 
6310d3ed64SHidetoshi Shimokawa #ifdef __DragonFly__
6410d3ed64SHidetoshi Shimokawa #include "firewire.h"
6510d3ed64SHidetoshi Shimokawa #include "firewirereg.h"
6610d3ed64SHidetoshi Shimokawa #include "fwmem.h"
6710d3ed64SHidetoshi Shimokawa #else
683c60ba66SKatsushi Kobayashi #include <dev/firewire/firewire.h>
693c60ba66SKatsushi Kobayashi #include <dev/firewire/firewirereg.h>
703c60ba66SKatsushi Kobayashi #include <dev/firewire/fwmem.h>
7110d3ed64SHidetoshi Shimokawa #endif
723c60ba66SKatsushi Kobayashi 
73f90ce7b1SHidetoshi Shimokawa static int fwmem_speed=2, fwmem_debug=0;
74f90ce7b1SHidetoshi Shimokawa static struct fw_eui64 fwmem_eui64;
753c60ba66SKatsushi Kobayashi SYSCTL_DECL(_hw_firewire);
763c60ba66SKatsushi Kobayashi SYSCTL_NODE(_hw_firewire, OID_AUTO, fwmem, CTLFLAG_RD, 0,
77ee126d67SHidetoshi Shimokawa 	"FireWire Memory Access");
78f90ce7b1SHidetoshi Shimokawa SYSCTL_UINT(_hw_firewire_fwmem, OID_AUTO, eui64_hi, CTLFLAG_RW,
79f90ce7b1SHidetoshi Shimokawa 	&fwmem_eui64.hi, 0, "Fwmem target EUI64 high");
80233b1b97SHidetoshi Shimokawa SYSCTL_UINT(_hw_firewire_fwmem, OID_AUTO, eui64_lo, CTLFLAG_RW,
81f90ce7b1SHidetoshi Shimokawa 	&fwmem_eui64.lo, 0, "Fwmem target EUI64 low");
823c60ba66SKatsushi Kobayashi SYSCTL_INT(_hw_firewire_fwmem, OID_AUTO, speed, CTLFLAG_RW, &fwmem_speed, 0,
833c60ba66SKatsushi Kobayashi 	"Fwmem link speed");
843c60ba66SKatsushi Kobayashi SYSCTL_INT(_debug, OID_AUTO, fwmem_debug, CTLFLAG_RW, &fwmem_debug, 0,
853c60ba66SKatsushi Kobayashi 	"Fwmem driver debug flag");
863c60ba66SKatsushi Kobayashi 
875b50d9adSHidetoshi Shimokawa MALLOC_DEFINE(M_FWMEM, "fwmem", "fwmem/FireWire");
885b50d9adSHidetoshi Shimokawa 
89c4778b5dSHidetoshi Shimokawa #define MAXLEN (512 << fwmem_speed)
90c4778b5dSHidetoshi Shimokawa 
91132e28bdSHidetoshi Shimokawa struct fwmem_softc {
92132e28bdSHidetoshi Shimokawa 	struct fw_eui64 eui;
93132e28bdSHidetoshi Shimokawa 	int refcount;
94132e28bdSHidetoshi Shimokawa };
95132e28bdSHidetoshi Shimokawa 
96d6ec5885SHidetoshi Shimokawa static struct fw_xfer *
97d6ec5885SHidetoshi Shimokawa fwmem_xfer_req(
98d6ec5885SHidetoshi Shimokawa 	struct fw_device *fwdev,
99d6ec5885SHidetoshi Shimokawa 	caddr_t sc,
100d6ec5885SHidetoshi Shimokawa 	int spd,
10177ee030bSHidetoshi Shimokawa 	int slen,
10277ee030bSHidetoshi Shimokawa 	int rlen,
103d6ec5885SHidetoshi Shimokawa 	void *hand)
104d6ec5885SHidetoshi Shimokawa {
105d6ec5885SHidetoshi Shimokawa 	struct fw_xfer *xfer;
106d6ec5885SHidetoshi Shimokawa 
1075b50d9adSHidetoshi Shimokawa 	xfer = fw_xfer_alloc(M_FWMEM);
108d6ec5885SHidetoshi Shimokawa 	if (xfer == NULL)
109d6ec5885SHidetoshi Shimokawa 		return NULL;
110d6ec5885SHidetoshi Shimokawa 
111d6ec5885SHidetoshi Shimokawa 	xfer->fc = fwdev->fc;
112c4778b5dSHidetoshi Shimokawa 	xfer->send.hdr.mode.hdr.dst = FWLOCALBUS | fwdev->dst;
113d6ec5885SHidetoshi Shimokawa 	if (spd < 0)
114c4778b5dSHidetoshi Shimokawa 		xfer->send.spd = fwdev->speed;
115d6ec5885SHidetoshi Shimokawa 	else
116c4778b5dSHidetoshi Shimokawa 		xfer->send.spd = min(spd, fwdev->speed);
117801167a8SHidetoshi Shimokawa 	xfer->hand = hand;
118d6ec5885SHidetoshi Shimokawa 	xfer->sc = sc;
119c4778b5dSHidetoshi Shimokawa 	xfer->send.pay_len = slen;
120c4778b5dSHidetoshi Shimokawa 	xfer->recv.pay_len = rlen;
121d6ec5885SHidetoshi Shimokawa 
122d6ec5885SHidetoshi Shimokawa 	return xfer;
123d6ec5885SHidetoshi Shimokawa }
124d6ec5885SHidetoshi Shimokawa 
1253c60ba66SKatsushi Kobayashi struct fw_xfer *
1263c60ba66SKatsushi Kobayashi fwmem_read_quad(
127f90ce7b1SHidetoshi Shimokawa 	struct fw_device *fwdev,
128f90ce7b1SHidetoshi Shimokawa 	caddr_t	sc,
12903161bbcSDoug Rabson 	uint8_t spd,
13003161bbcSDoug Rabson 	uint16_t dst_hi,
13103161bbcSDoug Rabson 	uint32_t dst_lo,
132c4778b5dSHidetoshi Shimokawa 	void *data,
133c3b09522SHidetoshi Shimokawa 	void (*hand)(struct fw_xfer *))
1343c60ba66SKatsushi Kobayashi {
1353c60ba66SKatsushi Kobayashi 	struct fw_xfer *xfer;
1363c60ba66SKatsushi Kobayashi 	struct fw_pkt *fp;
1373c60ba66SKatsushi Kobayashi 
138c4778b5dSHidetoshi Shimokawa 	xfer = fwmem_xfer_req(fwdev, (void *)sc, spd, 0, 4, hand);
139c4778b5dSHidetoshi Shimokawa 	if (xfer == NULL) {
1403c60ba66SKatsushi Kobayashi 		return NULL;
141c4778b5dSHidetoshi Shimokawa 	}
142c3b09522SHidetoshi Shimokawa 
143c4778b5dSHidetoshi Shimokawa 	fp = &xfer->send.hdr;
1443c60ba66SKatsushi Kobayashi 	fp->mode.rreqq.tcode = FWTCODE_RREQQ;
14577ee030bSHidetoshi Shimokawa 	fp->mode.rreqq.dest_hi = dst_hi;
14677ee030bSHidetoshi Shimokawa 	fp->mode.rreqq.dest_lo = dst_lo;
1473c60ba66SKatsushi Kobayashi 
148c4778b5dSHidetoshi Shimokawa 	xfer->send.payload = NULL;
14903161bbcSDoug Rabson 	xfer->recv.payload = (uint32_t *)data;
150c4778b5dSHidetoshi Shimokawa 
1513c60ba66SKatsushi Kobayashi 	if (fwmem_debug)
152d6ec5885SHidetoshi Shimokawa 		printf("fwmem_read_quad: %d %04x:%08x\n", fwdev->dst,
153d6ec5885SHidetoshi Shimokawa 				dst_hi, dst_lo);
154c3b09522SHidetoshi Shimokawa 
155f90ce7b1SHidetoshi Shimokawa 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)
156f90ce7b1SHidetoshi Shimokawa 		return xfer;
157f90ce7b1SHidetoshi Shimokawa 
158f90ce7b1SHidetoshi Shimokawa 	fw_xfer_free(xfer);
159f90ce7b1SHidetoshi Shimokawa 	return NULL;
160f90ce7b1SHidetoshi Shimokawa }
161f90ce7b1SHidetoshi Shimokawa 
162f90ce7b1SHidetoshi Shimokawa struct fw_xfer *
163f90ce7b1SHidetoshi Shimokawa fwmem_write_quad(
164f90ce7b1SHidetoshi Shimokawa 	struct fw_device *fwdev,
165f90ce7b1SHidetoshi Shimokawa 	caddr_t	sc,
16603161bbcSDoug Rabson 	uint8_t spd,
16703161bbcSDoug Rabson 	uint16_t dst_hi,
16803161bbcSDoug Rabson 	uint32_t dst_lo,
169c4778b5dSHidetoshi Shimokawa 	void *data,
170f90ce7b1SHidetoshi Shimokawa 	void (*hand)(struct fw_xfer *))
171f90ce7b1SHidetoshi Shimokawa {
172f90ce7b1SHidetoshi Shimokawa 	struct fw_xfer *xfer;
173f90ce7b1SHidetoshi Shimokawa 	struct fw_pkt *fp;
174f90ce7b1SHidetoshi Shimokawa 
175c4778b5dSHidetoshi Shimokawa 	xfer = fwmem_xfer_req(fwdev, sc, spd, 0, 0, hand);
176f90ce7b1SHidetoshi Shimokawa 	if (xfer == NULL)
177f90ce7b1SHidetoshi Shimokawa 		return NULL;
178f90ce7b1SHidetoshi Shimokawa 
179c4778b5dSHidetoshi Shimokawa 	fp = &xfer->send.hdr;
180958c7749SHidetoshi Shimokawa 	fp->mode.wreqq.tcode = FWTCODE_WREQQ;
18177ee030bSHidetoshi Shimokawa 	fp->mode.wreqq.dest_hi = dst_hi;
18277ee030bSHidetoshi Shimokawa 	fp->mode.wreqq.dest_lo = dst_lo;
18303161bbcSDoug Rabson 	fp->mode.wreqq.data = *(uint32_t *)data;
184f90ce7b1SHidetoshi Shimokawa 
185c4778b5dSHidetoshi Shimokawa 	xfer->send.payload = xfer->recv.payload = NULL;
186f90ce7b1SHidetoshi Shimokawa 
187f90ce7b1SHidetoshi Shimokawa 	if (fwmem_debug)
188d6ec5885SHidetoshi Shimokawa 		printf("fwmem_write_quad: %d %04x:%08x %08x\n", fwdev->dst,
18903161bbcSDoug Rabson 			dst_hi, dst_lo, *(uint32_t *)data);
190f90ce7b1SHidetoshi Shimokawa 
191f90ce7b1SHidetoshi Shimokawa 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)
1923c60ba66SKatsushi Kobayashi 		return xfer;
193c3b09522SHidetoshi Shimokawa 
1943c60ba66SKatsushi Kobayashi 	fw_xfer_free(xfer);
1953c60ba66SKatsushi Kobayashi 	return NULL;
1963c60ba66SKatsushi Kobayashi }
1973c60ba66SKatsushi Kobayashi 
1983c60ba66SKatsushi Kobayashi struct fw_xfer *
1993c60ba66SKatsushi Kobayashi fwmem_read_block(
200f90ce7b1SHidetoshi Shimokawa 	struct fw_device *fwdev,
201f90ce7b1SHidetoshi Shimokawa 	caddr_t	sc,
20203161bbcSDoug Rabson 	uint8_t spd,
20303161bbcSDoug Rabson 	uint16_t dst_hi,
20403161bbcSDoug Rabson 	uint32_t dst_lo,
205c3b09522SHidetoshi Shimokawa 	int len,
206c4778b5dSHidetoshi Shimokawa 	void *data,
207c3b09522SHidetoshi Shimokawa 	void (*hand)(struct fw_xfer *))
2083c60ba66SKatsushi Kobayashi {
2093c60ba66SKatsushi Kobayashi 	struct fw_xfer *xfer;
2103c60ba66SKatsushi Kobayashi 	struct fw_pkt *fp;
2113c60ba66SKatsushi Kobayashi 
212c4778b5dSHidetoshi Shimokawa 	xfer = fwmem_xfer_req(fwdev, sc, spd, 0, roundup2(len, 4), hand);
213c3b09522SHidetoshi Shimokawa 	if (xfer == NULL)
2143c60ba66SKatsushi Kobayashi 		return NULL;
215c3b09522SHidetoshi Shimokawa 
216c4778b5dSHidetoshi Shimokawa 	fp = &xfer->send.hdr;
2173c60ba66SKatsushi Kobayashi 	fp->mode.rreqb.tcode = FWTCODE_RREQB;
21877ee030bSHidetoshi Shimokawa 	fp->mode.rreqb.dest_hi = dst_hi;
21977ee030bSHidetoshi Shimokawa 	fp->mode.rreqb.dest_lo = dst_lo;
22077ee030bSHidetoshi Shimokawa 	fp->mode.rreqb.len = len;
221c4778b5dSHidetoshi Shimokawa 	fp->mode.rreqb.extcode = 0;
222c4778b5dSHidetoshi Shimokawa 
223c4778b5dSHidetoshi Shimokawa 	xfer->send.payload = NULL;
224c4778b5dSHidetoshi Shimokawa 	xfer->recv.payload = data;
2253c60ba66SKatsushi Kobayashi 
2263c60ba66SKatsushi Kobayashi 	if (fwmem_debug)
227d6ec5885SHidetoshi Shimokawa 		printf("fwmem_read_block: %d %04x:%08x %d\n", fwdev->dst,
228f90ce7b1SHidetoshi Shimokawa 				dst_hi, dst_lo, len);
229f90ce7b1SHidetoshi Shimokawa 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)
2303c60ba66SKatsushi Kobayashi 		return xfer;
231c3b09522SHidetoshi Shimokawa 
2323c60ba66SKatsushi Kobayashi 	fw_xfer_free(xfer);
2333c60ba66SKatsushi Kobayashi 	return NULL;
2343c60ba66SKatsushi Kobayashi }
2353c60ba66SKatsushi Kobayashi 
2368a45d99bSHidetoshi Shimokawa struct fw_xfer *
2378a45d99bSHidetoshi Shimokawa fwmem_write_block(
2388a45d99bSHidetoshi Shimokawa 	struct fw_device *fwdev,
2398a45d99bSHidetoshi Shimokawa 	caddr_t	sc,
24003161bbcSDoug Rabson 	uint8_t spd,
24103161bbcSDoug Rabson 	uint16_t dst_hi,
24203161bbcSDoug Rabson 	uint32_t dst_lo,
2438a45d99bSHidetoshi Shimokawa 	int len,
244c4778b5dSHidetoshi Shimokawa 	void *data,
2458a45d99bSHidetoshi Shimokawa 	void (*hand)(struct fw_xfer *))
2468a45d99bSHidetoshi Shimokawa {
2478a45d99bSHidetoshi Shimokawa 	struct fw_xfer *xfer;
2488a45d99bSHidetoshi Shimokawa 	struct fw_pkt *fp;
2498a45d99bSHidetoshi Shimokawa 
250c4778b5dSHidetoshi Shimokawa 	xfer = fwmem_xfer_req(fwdev, sc, spd, len, 0, hand);
2518a45d99bSHidetoshi Shimokawa 	if (xfer == NULL)
2528a45d99bSHidetoshi Shimokawa 		return NULL;
2538a45d99bSHidetoshi Shimokawa 
254c4778b5dSHidetoshi Shimokawa 	fp = &xfer->send.hdr;
2555db3899dSHidetoshi Shimokawa 	fp->mode.wreqb.tcode = FWTCODE_WREQB;
25677ee030bSHidetoshi Shimokawa 	fp->mode.wreqb.dest_hi = dst_hi;
25777ee030bSHidetoshi Shimokawa 	fp->mode.wreqb.dest_lo = dst_lo;
25877ee030bSHidetoshi Shimokawa 	fp->mode.wreqb.len = len;
259c4778b5dSHidetoshi Shimokawa 	fp->mode.wreqb.extcode = 0;
260c4778b5dSHidetoshi Shimokawa 
261c4778b5dSHidetoshi Shimokawa 	xfer->send.payload = data;
262c4778b5dSHidetoshi Shimokawa 	xfer->recv.payload = NULL;
2638a45d99bSHidetoshi Shimokawa 
2648a45d99bSHidetoshi Shimokawa 	if (fwmem_debug)
2658a45d99bSHidetoshi Shimokawa 		printf("fwmem_write_block: %d %04x:%08x %d\n", fwdev->dst,
2668a45d99bSHidetoshi Shimokawa 				dst_hi, dst_lo, len);
2678a45d99bSHidetoshi Shimokawa 	if (fw_asyreq(xfer->fc, -1, xfer) == 0)
2688a45d99bSHidetoshi Shimokawa 		return xfer;
2698a45d99bSHidetoshi Shimokawa 
2708a45d99bSHidetoshi Shimokawa 	fw_xfer_free(xfer);
2718a45d99bSHidetoshi Shimokawa 	return NULL;
2728a45d99bSHidetoshi Shimokawa }
2738a45d99bSHidetoshi Shimokawa 
2748a45d99bSHidetoshi Shimokawa 
2753c60ba66SKatsushi Kobayashi int
27689c9c53dSPoul-Henning Kamp fwmem_open (struct cdev *dev, int flags, int fmt, fw_proc *td)
2773c60ba66SKatsushi Kobayashi {
278132e28bdSHidetoshi Shimokawa 	struct fwmem_softc *fms;
279233b1b97SHidetoshi Shimokawa 
280132e28bdSHidetoshi Shimokawa 	if (dev->si_drv1 != NULL) {
281132e28bdSHidetoshi Shimokawa 		if ((flags & FWRITE) != 0)
2821bba1572SHidetoshi Shimokawa 			return (EBUSY);
283132e28bdSHidetoshi Shimokawa 		fms = (struct fwmem_softc *)dev->si_drv1;
284132e28bdSHidetoshi Shimokawa 		fms->refcount ++;
285132e28bdSHidetoshi Shimokawa 	} else {
286132e28bdSHidetoshi Shimokawa 		fms = (struct fwmem_softc *)malloc(sizeof(struct fwmem_softc),
2875b50d9adSHidetoshi Shimokawa 							M_FWMEM, M_WAITOK);
288132e28bdSHidetoshi Shimokawa 		if (fms == NULL)
289233b1b97SHidetoshi Shimokawa 			return ENOMEM;
290132e28bdSHidetoshi Shimokawa 		bcopy(&fwmem_eui64, &fms->eui, sizeof(struct fw_eui64));
291132e28bdSHidetoshi Shimokawa 		dev->si_drv1 = (void *)fms;
292c4778b5dSHidetoshi Shimokawa 		dev->si_iosize_max = DFLTPHYS;
293132e28bdSHidetoshi Shimokawa 		fms->refcount = 1;
294132e28bdSHidetoshi Shimokawa 	}
295132e28bdSHidetoshi Shimokawa 	if (fwmem_debug)
29610d3ed64SHidetoshi Shimokawa 		printf("%s: refcount=%d\n", __func__, fms->refcount);
297233b1b97SHidetoshi Shimokawa 
298233b1b97SHidetoshi Shimokawa 	return (0);
2993c60ba66SKatsushi Kobayashi }
3003c60ba66SKatsushi Kobayashi 
3013c60ba66SKatsushi Kobayashi int
30289c9c53dSPoul-Henning Kamp fwmem_close (struct cdev *dev, int flags, int fmt, fw_proc *td)
3033c60ba66SKatsushi Kobayashi {
304132e28bdSHidetoshi Shimokawa 	struct fwmem_softc *fms;
305132e28bdSHidetoshi Shimokawa 
306132e28bdSHidetoshi Shimokawa 	fms = (struct fwmem_softc *)dev->si_drv1;
307132e28bdSHidetoshi Shimokawa 	fms->refcount --;
308132e28bdSHidetoshi Shimokawa 	if (fwmem_debug)
30910d3ed64SHidetoshi Shimokawa 		printf("%s: refcount=%d\n", __func__, fms->refcount);
310132e28bdSHidetoshi Shimokawa 	if (fms->refcount < 1) {
3110fd46672SHidetoshi Shimokawa 		free(dev->si_drv1, M_FWMEM);
3121bba1572SHidetoshi Shimokawa 		dev->si_drv1 = NULL;
313132e28bdSHidetoshi Shimokawa 	}
3141bba1572SHidetoshi Shimokawa 
315233b1b97SHidetoshi Shimokawa 	return (0);
3163c60ba66SKatsushi Kobayashi }
3173c60ba66SKatsushi Kobayashi 
318c4778b5dSHidetoshi Shimokawa 
319c4778b5dSHidetoshi Shimokawa static void
320c4778b5dSHidetoshi Shimokawa fwmem_biodone(struct fw_xfer *xfer)
321c4778b5dSHidetoshi Shimokawa {
322c4778b5dSHidetoshi Shimokawa 	struct bio *bp;
323c4778b5dSHidetoshi Shimokawa 
324c4778b5dSHidetoshi Shimokawa 	bp = (struct bio *)xfer->sc;
325c4778b5dSHidetoshi Shimokawa 	bp->bio_error = xfer->resp;
326c4778b5dSHidetoshi Shimokawa 
327c4778b5dSHidetoshi Shimokawa 	if (bp->bio_error != 0) {
32861ba6580SHidetoshi Shimokawa 		if (fwmem_debug)
32910d3ed64SHidetoshi Shimokawa 			printf("%s: err=%d\n", __func__, bp->bio_error);
330c4778b5dSHidetoshi Shimokawa 		bp->bio_flags |= BIO_ERROR;
331c4778b5dSHidetoshi Shimokawa 		bp->bio_resid = bp->bio_bcount;
332c4778b5dSHidetoshi Shimokawa 	}
333c4778b5dSHidetoshi Shimokawa 
334c4778b5dSHidetoshi Shimokawa 	fw_xfer_free(xfer);
335c4778b5dSHidetoshi Shimokawa 	biodone(bp);
336c4778b5dSHidetoshi Shimokawa }
337c4778b5dSHidetoshi Shimokawa 
338c4778b5dSHidetoshi Shimokawa void
339c4778b5dSHidetoshi Shimokawa fwmem_strategy(struct bio *bp)
3403c60ba66SKatsushi Kobayashi {
3413c60ba66SKatsushi Kobayashi 	struct firewire_softc *sc;
342132e28bdSHidetoshi Shimokawa 	struct fwmem_softc *fms;
343f90ce7b1SHidetoshi Shimokawa 	struct fw_device *fwdev;
3443c60ba66SKatsushi Kobayashi 	struct fw_xfer *xfer;
34589c9c53dSPoul-Henning Kamp 	struct cdev *dev;
346c4778b5dSHidetoshi Shimokawa 	int unit, err=0, s, iolen;
3473c60ba66SKatsushi Kobayashi 
348c4778b5dSHidetoshi Shimokawa 	dev = bp->bio_dev;
349c4778b5dSHidetoshi Shimokawa 	/* XXX check request length */
350c4778b5dSHidetoshi Shimokawa 
351c4778b5dSHidetoshi Shimokawa         unit = DEV2UNIT(dev);
3523c60ba66SKatsushi Kobayashi 	sc = devclass_get_softc(firewire_devclass, unit);
353c4778b5dSHidetoshi Shimokawa 
354c4778b5dSHidetoshi Shimokawa 	s = splfw();
355132e28bdSHidetoshi Shimokawa 	fms = (struct fwmem_softc *)dev->si_drv1;
356132e28bdSHidetoshi Shimokawa 	fwdev = fw_noderesolve_eui64(sc->fc, &fms->eui);
357f90ce7b1SHidetoshi Shimokawa 	if (fwdev == NULL) {
358864d7e72SHidetoshi Shimokawa 		if (fwmem_debug)
359f90ce7b1SHidetoshi Shimokawa 			printf("fwmem: no such device ID:%08x%08x\n",
360132e28bdSHidetoshi Shimokawa 					fms->eui.hi, fms->eui.lo);
361c4778b5dSHidetoshi Shimokawa 		err = EINVAL;
362c4778b5dSHidetoshi Shimokawa 		goto error;
363f90ce7b1SHidetoshi Shimokawa 	}
3643c60ba66SKatsushi Kobayashi 
365c4778b5dSHidetoshi Shimokawa 	iolen = MIN(bp->bio_bcount, MAXLEN);
366c4778b5dSHidetoshi Shimokawa 	if ((bp->bio_cmd & BIO_READ) == BIO_READ) {
367c4778b5dSHidetoshi Shimokawa 		if (iolen == 4 && (bp->bio_offset & 3) == 0)
368c4778b5dSHidetoshi Shimokawa 			xfer = fwmem_read_quad(fwdev,
369c4778b5dSHidetoshi Shimokawa 			    (void *) bp, fwmem_speed,
370c4778b5dSHidetoshi Shimokawa 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,
371c4778b5dSHidetoshi Shimokawa 			    bp->bio_data, fwmem_biodone);
372c4778b5dSHidetoshi Shimokawa 		else
373c4778b5dSHidetoshi Shimokawa 			xfer = fwmem_read_block(fwdev,
374c4778b5dSHidetoshi Shimokawa 			    (void *) bp, fwmem_speed,
375c4778b5dSHidetoshi Shimokawa 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,
376c4778b5dSHidetoshi Shimokawa 			    iolen, bp->bio_data, fwmem_biodone);
3778a45d99bSHidetoshi Shimokawa 	} else {
378c4778b5dSHidetoshi Shimokawa 		if (iolen == 4 && (bp->bio_offset & 3) == 0)
379c4778b5dSHidetoshi Shimokawa 			xfer = fwmem_write_quad(fwdev,
380c4778b5dSHidetoshi Shimokawa 			    (void *)bp, fwmem_speed,
381c4778b5dSHidetoshi Shimokawa 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,
382c4778b5dSHidetoshi Shimokawa 			    bp->bio_data, fwmem_biodone);
383c4778b5dSHidetoshi Shimokawa 		else
384c4778b5dSHidetoshi Shimokawa 			xfer = fwmem_write_block(fwdev,
385c4778b5dSHidetoshi Shimokawa 			    (void *)bp, fwmem_speed,
386c4778b5dSHidetoshi Shimokawa 			    bp->bio_offset >> 32, bp->bio_offset & 0xffffffff,
387c4778b5dSHidetoshi Shimokawa 			    iolen, bp->bio_data, fwmem_biodone);
388d3539e97SHidetoshi Shimokawa 	}
389c4778b5dSHidetoshi Shimokawa 	if (xfer == NULL) {
3905db3899dSHidetoshi Shimokawa 		err = EIO;
391c4778b5dSHidetoshi Shimokawa 		goto error;
3928a45d99bSHidetoshi Shimokawa 	}
393c4778b5dSHidetoshi Shimokawa 	/* XXX */
394c4778b5dSHidetoshi Shimokawa 	bp->bio_resid = bp->bio_bcount - iolen;
395c4778b5dSHidetoshi Shimokawa error:
3962c56e6e4SHidetoshi Shimokawa 	splx(s);
397c4778b5dSHidetoshi Shimokawa 	if (err != 0) {
39861ba6580SHidetoshi Shimokawa 		if (fwmem_debug)
39910d3ed64SHidetoshi Shimokawa 			printf("%s: err=%d\n", __func__, err);
400c4778b5dSHidetoshi Shimokawa 		bp->bio_error = err;
401c4778b5dSHidetoshi Shimokawa 		bp->bio_flags |= BIO_ERROR;
402c4778b5dSHidetoshi Shimokawa 		bp->bio_resid = bp->bio_bcount;
403c4778b5dSHidetoshi Shimokawa 		biodone(bp);
404d3539e97SHidetoshi Shimokawa 	}
4058a45d99bSHidetoshi Shimokawa }
4068a45d99bSHidetoshi Shimokawa 
4073c60ba66SKatsushi Kobayashi int
40889c9c53dSPoul-Henning Kamp fwmem_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, fw_proc *td)
4093c60ba66SKatsushi Kobayashi {
410132e28bdSHidetoshi Shimokawa 	struct fwmem_softc *fms;
411233b1b97SHidetoshi Shimokawa 	int err = 0;
412132e28bdSHidetoshi Shimokawa 
413132e28bdSHidetoshi Shimokawa 	fms = (struct fwmem_softc *)dev->si_drv1;
414233b1b97SHidetoshi Shimokawa 	switch (cmd) {
415233b1b97SHidetoshi Shimokawa 	case FW_SDEUI64:
416132e28bdSHidetoshi Shimokawa 		bcopy(data, &fms->eui, sizeof(struct fw_eui64));
417233b1b97SHidetoshi Shimokawa 		break;
418233b1b97SHidetoshi Shimokawa 	case FW_GDEUI64:
419132e28bdSHidetoshi Shimokawa 		bcopy(&fms->eui, data, sizeof(struct fw_eui64));
420233b1b97SHidetoshi Shimokawa 		break;
421233b1b97SHidetoshi Shimokawa 	default:
422233b1b97SHidetoshi Shimokawa 		err = EINVAL;
423233b1b97SHidetoshi Shimokawa 	}
424233b1b97SHidetoshi Shimokawa 	return(err);
4253c60ba66SKatsushi Kobayashi }
4263c60ba66SKatsushi Kobayashi int
42789c9c53dSPoul-Henning Kamp fwmem_poll (struct cdev *dev, int events, fw_proc *td)
4283c60ba66SKatsushi Kobayashi {
4293c60ba66SKatsushi Kobayashi 	return EINVAL;
4303c60ba66SKatsushi Kobayashi }
4313c60ba66SKatsushi Kobayashi int
43210d3ed64SHidetoshi Shimokawa #if defined(__DragonFly__) || __FreeBSD_version < 500102
43389c9c53dSPoul-Henning Kamp fwmem_mmap (struct cdev *dev, vm_offset_t offset, int nproto)
43445545499SHidetoshi Shimokawa #else
43589c9c53dSPoul-Henning Kamp fwmem_mmap (struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int nproto)
43645545499SHidetoshi Shimokawa #endif
4373c60ba66SKatsushi Kobayashi {
4383c60ba66SKatsushi Kobayashi 	return EINVAL;
4393c60ba66SKatsushi Kobayashi }
440