Annotation of src/sys/dev/ieee1394/sbp.c, Revision 1.21.4.2
1.21.4.2! yamt 1: /* $NetBSD: sbp.c,v 1.21.4.1 2009/05/04 08:12:47 yamt Exp $ */
1.1 kiyohara 2: /*-
3: * Copyright (c) 2003 Hidetoshi Shimokawa
4: * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the acknowledgement as bellow:
17: *
18: * This product includes software developed by K. Kobayashi and H. Shimokawa
19: *
20: * 4. The name of the author may not be used to endorse or promote products
21: * derived from this software without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
27: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33: * POSSIBILITY OF SUCH DAMAGE.
34: *
1.19 kiyohara 35: * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.92 2007/06/06 14:31:36 simokawa Exp $
1.1 kiyohara 36: *
37: */
38:
1.20 lukem 39: #include <sys/cdefs.h>
1.21.4.2! yamt 40: __KERNEL_RCSID(0, "$NetBSD: sbp.c,v 1.21.4.1 2009/05/04 08:12:47 yamt Exp $");
1.20 lukem 41:
1.1 kiyohara 42: #if defined(__FreeBSD__)
43: #include <sys/param.h>
44: #include <sys/systm.h>
45: #include <sys/conf.h>
46: #include <sys/module.h>
47: #include <sys/bus.h>
48: #include <sys/kernel.h>
49: #include <sys/sysctl.h>
1.18 ad 50: #include <sys/bus.h>
1.1 kiyohara 51: #include <sys/malloc.h>
52: #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
53: #include <sys/lock.h>
54: #include <sys/mutex.h>
55: #endif
56:
57: #if defined(__DragonFly__) || __FreeBSD_version < 500106
58: #include <sys/devicestat.h> /* for struct devstat */
59: #endif
60:
61: #ifdef __DragonFly__
62: #include <bus/cam/cam.h>
63: #include <bus/cam/cam_ccb.h>
64: #include <bus/cam/cam_sim.h>
65: #include <bus/cam/cam_xpt_sim.h>
66: #include <bus/cam/cam_debug.h>
67: #include <bus/cam/cam_periph.h>
68: #include <bus/cam/scsi/scsi_all.h>
69:
70: #include <bus/firewire/fw_port.h>
71: #include <bus/firewire/firewire.h>
72: #include <bus/firewire/firewirereg.h>
73: #include <bus/firewire/fwdma.h>
74: #include <bus/firewire/iec13213.h>
75: #include "sbp.h"
76: #else
77: #include <cam/cam.h>
78: #include <cam/cam_ccb.h>
79: #include <cam/cam_sim.h>
80: #include <cam/cam_xpt_sim.h>
81: #include <cam/cam_debug.h>
82: #include <cam/cam_periph.h>
83: #include <cam/scsi/scsi_all.h>
84:
85: #include <dev/firewire/fw_port.h>
86: #include <dev/firewire/firewire.h>
87: #include <dev/firewire/firewirereg.h>
88: #include <dev/firewire/fwdma.h>
89: #include <dev/firewire/iec13213.h>
90: #include <dev/firewire/sbp.h>
91: #endif
92: #elif defined(__NetBSD__)
93: #include <sys/param.h>
94: #include <sys/device.h>
95: #include <sys/errno.h>
96: #include <sys/buf.h>
97: #include <sys/kernel.h>
98: #include <sys/kthread.h>
99: #include <sys/malloc.h>
100: #include <sys/proc.h>
101: #include <sys/sysctl.h>
102:
1.18 ad 103: #include <sys/bus.h>
1.1 kiyohara 104:
105: #include <dev/scsipi/scsi_spc.h>
106: #include <dev/scsipi/scsi_all.h>
107: #include <dev/scsipi/scsipi_all.h>
108: #include <dev/scsipi/scsiconf.h>
109: #include <dev/scsipi/scsipiconf.h>
110:
111: #include <dev/ieee1394/fw_port.h>
112: #include <dev/ieee1394/firewire.h>
113: #include <dev/ieee1394/firewirereg.h>
114: #include <dev/ieee1394/fwdma.h>
115: #include <dev/ieee1394/iec13213.h>
116: #include <dev/ieee1394/sbp.h>
117:
118: #include "locators.h"
119: #endif
120:
121: #define ccb_sdev_ptr spriv_ptr0
122: #define ccb_sbp_ptr spriv_ptr1
123:
124: #define SBP_NUM_TARGETS 8 /* MAX 64 */
125: /*
126: * Scan_bus doesn't work for more than 8 LUNs
127: * because of CAM_SCSI2_MAXLUN in cam_xpt.c
128: */
129: #define SBP_NUM_LUNS 64
1.16 kiyohara 130: #define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
1.1 kiyohara 131: #define SBP_DMA_SIZE PAGE_SIZE
132: #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
133: #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
134: #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
135:
136: /*
137: * STATUS FIFO addressing
138: * bit
139: * -----------------------
140: * 0- 1( 2): 0 (alignment)
141: * 2- 9( 8): lun
142: * 10-31(14): unit
143: * 32-47(16): SBP_BIND_HI
144: * 48-64(16): bus_id, node_id
145: */
146: #define SBP_BIND_HI 0x1
147: #define SBP_DEV2ADDR(u, l) \
148: (((u_int64_t)SBP_BIND_HI << 32) \
149: | (((u) & 0x3fff) << 10) \
150: | (((l) & 0xff) << 2))
151: #define SBP_ADDR2UNIT(a) (((a) >> 10) & 0x3fff)
152: #define SBP_ADDR2LUN(a) (((a) >> 2) & 0xff)
153: #define SBP_INITIATOR 7
154:
155: static const char *orb_fun_name[] = {
156: ORB_FUN_NAMES
157: };
158:
159: static int debug = 0;
160: static int auto_login = 1;
161: static int max_speed = -1;
162: static int sbp_cold = 1;
163: static int ex_login = 1;
164: static int login_delay = 1000; /* msec */
165: static int scan_delay = 500; /* msec */
166: static int use_doorbell = 0;
167: static int sbp_tags = 0;
168:
169: #if defined(__FreeBSD__)
170: SYSCTL_DECL(_hw_firewire);
171: SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
172: SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
173: "SBP debug flag");
174: SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
175: "SBP perform login automatically");
176: SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
177: "SBP transfer max speed");
178: SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
179: &ex_login, 0, "SBP enable exclusive login");
180: SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
181: &login_delay, 0, "SBP login delay in msec");
182: SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
183: &scan_delay, 0, "SBP scan delay in msec");
184: SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW,
185: &use_doorbell, 0, "SBP use doorbell request");
186: SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
187: "SBP tagged queuing support");
188:
189: TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
190: TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
191: TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
192: TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
193: TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
194: TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell);
195: TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
196: #elif defined(__NetBSD__)
197: static int sysctl_sbp_verify(SYSCTLFN_PROTO, int lower, int upper);
198: static int sysctl_sbp_verify_max_speed(SYSCTLFN_PROTO);
199: static int sysctl_sbp_verify_tags(SYSCTLFN_PROTO);
200:
201: /*
202: * Setup sysctl(3) MIB, hw.sbp.*
203: *
1.21.4.1 yamt 204: * TBD condition CTLFLAG_PERMANENT on being a module or not
1.1 kiyohara 205: */
206: SYSCTL_SETUP(sysctl_sbp, "sysctl sbp(4) subtree setup")
207: {
208: int rc, sbp_node_num;
209: const struct sysctlnode *node;
210:
211: if ((rc = sysctl_createv(clog, 0, NULL, NULL,
212: CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
213: NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) {
214: goto err;
215: }
216:
217: if ((rc = sysctl_createv(clog, 0, NULL, &node,
218: CTLFLAG_PERMANENT, CTLTYPE_NODE, "sbp",
219: SYSCTL_DESCR("sbp controls"), NULL, 0, NULL,
220: 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) {
221: goto err;
222: }
223: sbp_node_num = node->sysctl_num;
224:
225: /* sbp auto login flag */
226: if ((rc = sysctl_createv(clog, 0, NULL, &node,
227: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
228: "auto_login", SYSCTL_DESCR("SBP perform login automatically"),
229: NULL, 0, &auto_login,
230: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
231: goto err;
232: }
233:
234: /* sbp max speed */
235: if ((rc = sysctl_createv(clog, 0, NULL, &node,
236: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
237: "max_speed", SYSCTL_DESCR("SBP transfer max speed"),
238: sysctl_sbp_verify_max_speed, 0, &max_speed,
239: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
240: goto err;
241: }
242:
243: /* sbp exclusive login flag */
244: if ((rc = sysctl_createv(clog, 0, NULL, &node,
245: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
246: "exclusive_login", SYSCTL_DESCR("SBP enable exclusive login"),
247: NULL, 0, &ex_login,
248: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
249: goto err;
250: }
251:
252: /* sbp login delay */
253: if ((rc = sysctl_createv(clog, 0, NULL, &node,
254: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
255: "login_delay", SYSCTL_DESCR("SBP login delay in msec"),
256: NULL, 0, &login_delay,
257: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
258: goto err;
259: }
260:
261: /* sbp scan delay */
262: if ((rc = sysctl_createv(clog, 0, NULL, &node,
263: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
264: "scan_delay", SYSCTL_DESCR("SBP scan delay in msec"),
265: NULL, 0, &scan_delay,
266: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
267: goto err;
268: }
269:
270: /* sbp use doorbell flag */
271: if ((rc = sysctl_createv(clog, 0, NULL, &node,
272: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
273: "use_doorbell", SYSCTL_DESCR("SBP use doorbell request"),
274: NULL, 0, &use_doorbell,
275: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
276: goto err;
277: }
278:
279: /* sbp force tagged queuing */
280: if ((rc = sysctl_createv(clog, 0, NULL, &node,
281: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
282: "tags", SYSCTL_DESCR("SBP tagged queuing support"),
283: sysctl_sbp_verify_tags, 0, &sbp_tags,
284: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
285: goto err;
286: }
287:
288: /* sbp driver debug flag */
289: if ((rc = sysctl_createv(clog, 0, NULL, &node,
290: CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
291: "sbp_debug", SYSCTL_DESCR("SBP debug flag"),
292: NULL, 0, &debug,
293: 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
294: goto err;
295: }
296:
297: return;
298:
299: err:
300: printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
301: }
302:
303: static int
304: sysctl_sbp_verify(SYSCTLFN_ARGS, int lower, int upper)
305: {
306: int error, t;
307: struct sysctlnode node;
308:
309: node = *rnode;
310: t = *(int*)rnode->sysctl_data;
311: node.sysctl_data = &t;
312: error = sysctl_lookup(SYSCTLFN_CALL(&node));
313: if (error || newp == NULL)
314: return (error);
315:
316: if (t < lower || t > upper)
317: return (EINVAL);
318:
319: *(int*)rnode->sysctl_data = t;
320:
321: return (0);
322: }
323:
324: static int
325: sysctl_sbp_verify_max_speed(SYSCTLFN_ARGS)
326: {
327: return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), 0, FWSPD_S400));
328: }
329:
330: static int
331: sysctl_sbp_verify_tags(SYSCTLFN_ARGS)
332: {
333: return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), -1, 1));
334: }
335: #endif
336:
337: #define NEED_RESPONSE 0
338:
339: #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
340: #ifdef __sparc64__ /* iommu */
1.16 kiyohara 341: #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
1.1 kiyohara 342: #else
1.16 kiyohara 343: #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
1.1 kiyohara 344: #endif
345: struct sbp_ocb {
346: STAILQ_ENTRY(sbp_ocb) ocb;
347: sbp_scsi_xfer *sxfer;
348: bus_addr_t bus_addr;
349: uint32_t orb[8];
350: #define IND_PTR_OFFSET (8*sizeof(uint32_t))
351: struct ind_ptr ind_ptr[SBP_IND_MAX];
352: struct sbp_dev *sdev;
353: int flags; /* XXX should be removed */
354: bus_dmamap_t dmamap;
355: };
356:
357: #define OCB_ACT_MGM 0
358: #define OCB_ACT_CMD 1
359: #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
360:
361: struct sbp_dev{
362: #define SBP_DEV_RESET 0 /* accept login */
363: #define SBP_DEV_LOGIN 1 /* to login */
364: #if 0
365: #define SBP_DEV_RECONN 2 /* to reconnect */
366: #endif
367: #define SBP_DEV_TOATTACH 3 /* to attach */
368: #define SBP_DEV_PROBE 4 /* scan lun */
369: #define SBP_DEV_ATTACHED 5 /* in operation */
370: #define SBP_DEV_DEAD 6 /* unavailable unit */
371: #define SBP_DEV_RETRY 7 /* unavailable unit */
372: uint8_t status:4,
373: timeout:4;
374: uint8_t type;
375: uint16_t lun_id;
376: uint16_t freeze;
377: #define ORB_LINK_DEAD (1 << 0)
378: #define VALID_LUN (1 << 1)
379: #define ORB_POINTER_ACTIVE (1 << 2)
380: #define ORB_POINTER_NEED (1 << 3)
381: #define ORB_DOORBELL_ACTIVE (1 << 4)
382: #define ORB_DOORBELL_NEED (1 << 5)
383: #define ORB_SHORTAGE (1 << 6)
384: uint16_t flags;
385: #if defined(__FreeBSD__)
386: struct cam_path *path;
387: #elif defined(__NetBSD__)
388: struct scsipi_periph *periph;
389: #endif
390: struct sbp_target *target;
391: struct fwdma_alloc dma;
392: struct sbp_login_res *login;
393: struct callout login_callout;
394: struct sbp_ocb *ocb;
395: STAILQ_HEAD(, sbp_ocb) ocbs;
396: STAILQ_HEAD(, sbp_ocb) free_ocbs;
397: struct sbp_ocb *last_ocb;
398: char vendor[32];
399: char product[32];
400: char revision[10];
401: };
402:
403: struct sbp_target {
404: int target_id;
405: int num_lun;
406: struct sbp_dev **luns;
407: struct sbp_softc *sbp;
408: struct fw_device *fwdev;
409: uint32_t mgm_hi, mgm_lo;
410: struct sbp_ocb *mgm_ocb_cur;
411: STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
412: struct callout mgm_ocb_timeout;
413: struct callout scan_callout;
414: STAILQ_HEAD(, fw_xfer) xferlist;
415: int n_xfer;
416: };
417:
418: struct sbp_softc {
419: struct firewire_dev_comm fd;
420: #if defined(__FreeBSD__)
421: struct cam_sim *sim;
422: struct cam_path *path;
423: #elif defined(__NetBSD__)
424: struct scsipi_adapter sc_adapter;
425: struct scsipi_channel sc_channel;
1.21 kiyohara 426: device_t sc_bus;
1.17 ad 427: struct lwp *lwp;
1.1 kiyohara 428: #endif
429: struct sbp_target target;
430: struct fw_bind fwb;
431: fw_bus_dma_tag_t dmat;
432: struct timeval last_busreset;
433: #define SIMQ_FREEZED 1
434: int flags;
1.19 kiyohara 435: fw_mtx_t mtx;
1.1 kiyohara 436: };
1.19 kiyohara 437: #define SBP_LOCK(sbp) fw_mtx_lock(&(sbp)->mtx)
438: #define SBP_UNLOCK(sbp) fw_mtx_unlock(&(sbp)->mtx)
1.1 kiyohara 439:
440: #if defined(__NetBSD__)
1.21.4.2! yamt 441: int sbpmatch (device_t, cfdata_t, void *);
1.21 kiyohara 442: void sbpattach (device_t parent, device_t self, void *aux);
443: int sbpdetach (device_t self, int flags);
1.1 kiyohara 444: #endif
445: static void sbp_post_explore (void *);
446: static void sbp_recv (struct fw_xfer *);
447: static void sbp_mgm_callback (struct fw_xfer *);
448: #if 0
449: static void sbp_cmd_callback (struct fw_xfer *);
450: #endif
451: static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
452: static void sbp_doorbell(struct sbp_dev *);
453: static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
454: static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
455: static void sbp_abort_ocb (struct sbp_ocb *, int);
456: static void sbp_abort_all_ocbs (struct sbp_dev *, int);
457: static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
458: static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
459: static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
460: static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
461: static void sbp_free_sdev(struct sbp_dev *);
462: static void sbp_free_target (struct sbp_target *);
463: static void sbp_mgm_timeout (void *arg);
464: static void sbp_timeout (void *arg);
465: static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
466: #if defined(__FreeBSD__)
467:
468: MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
469: #elif defined(__NetBSD__)
470: static void sbp_scsipi_request(
471: struct scsipi_channel *, scsipi_adapter_req_t, void *);
472: static void sbp_minphys(struct buf *);
473:
474: MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/IEEE1394");
475: #endif
476:
477: #if defined(__FreeBSD__)
478: /* cam related functions */
479: static void sbp_action(struct cam_sim *, sbp_scsi_xfer *sxfer);
480: static void sbp_poll(struct cam_sim *);
481: static void sbp_cam_scan_lun(struct cam_periph *, sbp_scsi_xfer *);
482: static void sbp_cam_scan_target(void *);
483: static void sbp_cam_detach_sdev(struct sbp_dev *);
484: static void sbp_cam_detach_target (struct sbp_target *);
485: #define SBP_DETACH_SDEV(sd) sbp_cam_detach_sdev((sd))
486: #define SBP_DETACH_TARGET(st) sbp_cam_detach_target((st))
487: #elif defined(__NetBSD__)
488: /* scsipi related functions */
489: static void sbp_scsipi_scan_target(void *);
490: static void sbp_scsipi_detach_sdev(struct sbp_dev *);
491: static void sbp_scsipi_detach_target (struct sbp_target *);
492: #define SBP_DETACH_SDEV(sd) sbp_scsipi_detach_sdev((sd))
493: #define SBP_DETACH_TARGET(st) sbp_scsipi_detach_target((st))
494: #endif
495:
496: static const char *orb_status0[] = {
497: /* 0 */ "No additional information to report",
498: /* 1 */ "Request type not supported",
499: /* 2 */ "Speed not supported",
500: /* 3 */ "Page size not supported",
501: /* 4 */ "Access denied",
502: /* 5 */ "Logical unit not supported",
503: /* 6 */ "Maximum payload too small",
504: /* 7 */ "Reserved for future standardization",
505: /* 8 */ "Resources unavailable",
506: /* 9 */ "Function rejected",
507: /* A */ "Login ID not recognized",
508: /* B */ "Dummy ORB completed",
509: /* C */ "Request aborted",
510: /* FF */ "Unspecified error"
511: #define MAX_ORB_STATUS0 0xd
512: };
513:
514: static const char *orb_status1_object[] = {
515: /* 0 */ "Operation request block (ORB)",
516: /* 1 */ "Data buffer",
517: /* 2 */ "Page table",
518: /* 3 */ "Unable to specify"
519: };
520:
521: static const char *orb_status1_serial_bus_error[] = {
522: /* 0 */ "Missing acknowledge",
523: /* 1 */ "Reserved; not to be used",
524: /* 2 */ "Time-out error",
525: /* 3 */ "Reserved; not to be used",
526: /* 4 */ "Busy retry limit exceeded(X)",
527: /* 5 */ "Busy retry limit exceeded(A)",
528: /* 6 */ "Busy retry limit exceeded(B)",
529: /* 7 */ "Reserved for future standardization",
530: /* 8 */ "Reserved for future standardization",
531: /* 9 */ "Reserved for future standardization",
532: /* A */ "Reserved for future standardization",
533: /* B */ "Tardy retry limit exceeded",
534: /* C */ "Conflict error",
535: /* D */ "Data error",
536: /* E */ "Type error",
537: /* F */ "Address error"
538: };
539:
540: #if defined(__FreeBSD__)
541: #if 0
542: static void
543: sbp_identify(driver_t *driver, device_t parent)
544: {
545: device_t child;
546: SBP_DEBUG(0)
547: printf("sbp_identify\n");
548: END_DEBUG
549:
1.19 kiyohara 550: child = BUS_ADD_CHILD(parent, 0, "sbp", fw_get_unit(parent));
1.1 kiyohara 551: }
552: #endif
553:
554: /*
555: * sbp_probe()
556: */
557: static int
558: sbp_probe(device_t dev)
559: {
560: device_t pa;
561:
562: SBP_DEBUG(0)
563: printf("sbp_probe\n");
564: END_DEBUG
565:
566: pa = device_get_parent(dev);
1.19 kiyohara 567: if(fw_get_unit(dev) != fw_get_unit(pa)){
1.1 kiyohara 568: return(ENXIO);
569: }
570:
571: device_set_desc(dev, "SBP-2/SCSI over FireWire");
572:
573: #if 0
574: if (bootverbose)
575: debug = bootverbose;
576: #endif
577:
578: return (0);
579: }
580: #elif defined(__NetBSD__)
581: int
1.21.4.2! yamt 582: sbpmatch(device_t parent, cfdata_t cf, void *aux)
1.1 kiyohara 583: {
584: struct fw_attach_args *fwa = aux;
585:
586: if (strcmp(fwa->name, "sbp") == 0)
1.19 kiyohara 587: return 1;
588: return 0;
1.1 kiyohara 589: }
590: #endif
591:
592: static void
593: sbp_show_sdev_info(struct sbp_dev *sdev, int new)
594: {
595: struct fw_device *fwdev;
596:
597: printf("%s:%d:%d ",
1.19 kiyohara 598: fw_get_nameunit(sdev->target->sbp->fd.dev),
1.1 kiyohara 599: sdev->target->target_id,
600: sdev->lun_id
601: );
602: if (new == 2) {
603: return;
604: }
605: fwdev = sdev->target->fwdev;
606: printf("ordered:%d type:%d EUI:%08x%08x node:%d "
607: "speed:%d maxrec:%d",
608: (sdev->type & 0x40) >> 6,
609: (sdev->type & 0x1f),
610: fwdev->eui.hi,
611: fwdev->eui.lo,
612: fwdev->dst,
613: fwdev->speed,
614: fwdev->maxrec
615: );
616: if (new)
617: printf(" new!\n");
618: else
619: printf("\n");
620: sbp_show_sdev_info(sdev, 2);
621: printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
622: }
623:
624: static void
625: sbp_alloc_lun(struct sbp_target *target)
626: {
627: struct crom_context cc;
628: struct csrreg *reg;
629: struct sbp_dev *sdev, **newluns;
630: struct sbp_softc *sbp;
631: int maxlun, lun, i;
632:
633: sbp = target->sbp;
634: crom_init_context(&cc, target->fwdev->csrrom);
635: /* XXX shoud parse appropriate unit directories only */
636: maxlun = -1;
637: while (cc.depth >= 0) {
638: reg = crom_search_key(&cc, CROM_LUN);
639: if (reg == NULL)
640: break;
641: lun = reg->val & 0xffff;
642: SBP_DEBUG(0)
643: printf("target %d lun %d found\n", target->target_id, lun);
644: END_DEBUG
645: if (maxlun < lun)
646: maxlun = lun;
647: crom_next(&cc);
648: }
649: if (maxlun < 0)
650: printf("%s:%d no LUN found\n",
1.19 kiyohara 651: fw_get_nameunit(target->sbp->fd.dev),
1.1 kiyohara 652: target->target_id);
653:
654: maxlun ++;
655: if (maxlun >= SBP_NUM_LUNS)
656: maxlun = SBP_NUM_LUNS;
657:
658: /* Invalidiate stale devices */
659: for (lun = 0; lun < target->num_lun; lun ++) {
660: sdev = target->luns[lun];
661: if (sdev == NULL)
662: continue;
663: sdev->flags &= ~VALID_LUN;
664: if (lun >= maxlun) {
665: /* lost device */
666: SBP_DETACH_SDEV(sdev);
667: sbp_free_sdev(sdev);
668: }
669: }
670:
671: /* Reallocate */
672: if (maxlun != target->num_lun) {
673: newluns = (struct sbp_dev **) realloc(target->luns,
674: sizeof(struct sbp_dev *) * maxlun,
675: M_SBP, M_NOWAIT | M_ZERO);
676:
677: if (newluns == NULL) {
678: printf("%s: realloc failed\n", __func__);
679: newluns = target->luns;
680: maxlun = target->num_lun;
681: }
682:
683: /*
684: * We must zero the extended region for the case
685: * realloc() doesn't allocate new buffer.
686: */
687: if (maxlun > target->num_lun)
1.21.4.1 yamt 688: memset(&newluns[target->num_lun], 0,
1.1 kiyohara 689: sizeof(struct sbp_dev *) *
690: (maxlun - target->num_lun));
691:
692: target->luns = newluns;
693: target->num_lun = maxlun;
694: }
695:
696: crom_init_context(&cc, target->fwdev->csrrom);
697: while (cc.depth >= 0) {
698: int new = 0;
699:
700: reg = crom_search_key(&cc, CROM_LUN);
701: if (reg == NULL)
702: break;
703: lun = reg->val & 0xffff;
704: if (lun >= SBP_NUM_LUNS) {
705: printf("too large lun %d\n", lun);
706: goto next;
707: }
708:
709: sdev = target->luns[lun];
710: if (sdev == NULL) {
711: sdev = malloc(sizeof(struct sbp_dev),
712: M_SBP, M_NOWAIT | M_ZERO);
713: if (sdev == NULL) {
714: printf("%s: malloc failed\n", __func__);
715: goto next;
716: }
717: target->luns[lun] = sdev;
718: sdev->lun_id = lun;
719: sdev->target = target;
720: STAILQ_INIT(&sdev->ocbs);
1.19 kiyohara 721: fw_callout_init(&sdev->login_callout);
1.1 kiyohara 722: sdev->status = SBP_DEV_RESET;
723: new = 1;
724: SBP_DEVICE_PREATTACH();
725: }
726: sdev->flags |= VALID_LUN;
727: sdev->type = (reg->val & 0xff0000) >> 16;
728:
729: if (new == 0)
730: goto next;
731:
732: fwdma_malloc(sbp->fd.fc,
733: /* alignment */ sizeof(uint32_t),
734: SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
735: if (sdev->dma.v_addr == NULL) {
736: printf("%s: dma space allocation failed\n",
737: __func__);
738: free(sdev, M_SBP);
739: target->luns[lun] = NULL;
740: goto next;
741: }
742: sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
743: sdev->ocb = (struct sbp_ocb *)
744: ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
1.21.4.1 yamt 745: memset((char *)sdev->ocb, 0,
1.1 kiyohara 746: sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
747:
748: STAILQ_INIT(&sdev->free_ocbs);
749: for (i = 0; i < SBP_QUEUE_LEN; i++) {
750: struct sbp_ocb *ocb;
751: ocb = &sdev->ocb[i];
752: ocb->bus_addr = sdev->dma.bus_addr
753: + SBP_LOGIN_SIZE
754: + sizeof(struct sbp_ocb) * i
755: + offsetof(struct sbp_ocb, orb[0]);
756: if (fw_bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
757: printf("sbp_attach: cannot create dmamap\n");
758: /* XXX */
759: goto next;
760: }
761: sbp_free_ocb(sdev, ocb);
762: }
763: next:
764: crom_next(&cc);
765: }
766:
767: for (lun = 0; lun < target->num_lun; lun ++) {
768: sdev = target->luns[lun];
769: if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
770: SBP_DETACH_SDEV(sdev);
771: sbp_free_sdev(sdev);
772: target->luns[lun] = NULL;
773: }
774: }
775: }
776:
777: static struct sbp_target *
778: sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
779: {
780: struct sbp_target *target;
781: struct crom_context cc;
782: struct csrreg *reg;
783:
784: SBP_DEBUG(1)
785: printf("sbp_alloc_target\n");
786: END_DEBUG
787: /* new target */
788: target = &sbp->target;
789: target->sbp = sbp;
790: target->fwdev = fwdev;
791: target->target_id = 0;
792: /* XXX we may want to reload mgm port after each bus reset */
793: /* XXX there might be multiple management agents */
794: crom_init_context(&cc, target->fwdev->csrrom);
795: reg = crom_search_key(&cc, CROM_MGM);
796: if (reg == NULL || reg->val == 0) {
797: printf("NULL management address\n");
798: target->fwdev = NULL;
799: return NULL;
800: }
801: target->mgm_hi = 0xffff;
802: target->mgm_lo = 0xf0000000 | (reg->val << 2);
803: target->mgm_ocb_cur = NULL;
804: SBP_DEBUG(1)
805: printf("target: mgm_port: %x\n", target->mgm_lo);
806: END_DEBUG
807: STAILQ_INIT(&target->xferlist);
808: target->n_xfer = 0;
809: STAILQ_INIT(&target->mgm_ocb_queue);
1.19 kiyohara 810: fw_callout_init(&target->mgm_ocb_timeout);
811: fw_callout_init(&target->scan_callout);
1.1 kiyohara 812:
813: target->luns = NULL;
814: target->num_lun = 0;
815: return target;
816: }
817:
818: static void
819: sbp_probe_lun(struct sbp_dev *sdev)
820: {
821: struct fw_device *fwdev;
822: struct crom_context c, *cc = &c;
823: struct csrreg *reg;
824:
1.21.4.1 yamt 825: memset(sdev->vendor, 0, sizeof(sdev->vendor));
826: memset(sdev->product, 0, sizeof(sdev->product));
1.1 kiyohara 827:
828: fwdev = sdev->target->fwdev;
829: crom_init_context(cc, fwdev->csrrom);
830: /* get vendor string */
831: crom_search_key(cc, CSRKEY_VENDOR);
832: crom_next(cc);
833: crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
834: /* skip to the unit directory for SBP-2 */
835: while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
836: if (reg->val == CSRVAL_T10SBP2)
837: break;
838: crom_next(cc);
839: }
840: /* get firmware revision */
841: reg = crom_search_key(cc, CSRKEY_FIRM_VER);
842: if (reg != NULL)
843: snprintf(sdev->revision, sizeof(sdev->revision),
844: "%06x", reg->val);
845: /* get product string */
846: crom_search_key(cc, CSRKEY_MODEL);
847: crom_next(cc);
848: crom_parse_text(cc, sdev->product, sizeof(sdev->product));
849: }
850:
851: static void
852: sbp_login_callout(void *arg)
853: {
854: struct sbp_dev *sdev = (struct sbp_dev *)arg;
855: sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
856: }
857:
858: static void
859: sbp_login(struct sbp_dev *sdev)
860: {
861: struct timeval delta;
862: struct timeval t;
863: int ticks = 0;
864:
865: microtime(&delta);
1.19 kiyohara 866: fw_timevalsub(&delta, &sdev->target->sbp->last_busreset);
1.1 kiyohara 867: t.tv_sec = login_delay / 1000;
868: t.tv_usec = (login_delay % 1000) * 1000;
1.19 kiyohara 869: fw_timevalsub(&t, &delta);
1.1 kiyohara 870: if (t.tv_sec >= 0 && t.tv_usec > 0)
871: ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
872: SBP_DEBUG(0)
1.21.4.1 yamt 873: printf("%s: sec = %lld usec = %ld ticks = %d\n", __func__,
874: (long long)t.tv_sec, (long)t.tv_usec, ticks);
1.1 kiyohara 875: END_DEBUG
1.19 kiyohara 876: fw_callout_reset(&sdev->login_callout, ticks,
1.1 kiyohara 877: sbp_login_callout, (void *)(sdev));
878: }
879:
880: static void
881: sbp_probe_target(void *arg)
882: {
883: struct sbp_target *target = (struct sbp_target *)arg;
884: struct sbp_softc *sbp;
885: struct sbp_dev *sdev;
886: struct firewire_comm *fc;
887: int i;
888:
889: SBP_DEBUG(1)
890: printf("sbp_probe_target %d\n", target->target_id);
891: END_DEBUG
892:
893: sbp = target->sbp;
894: fc = target->sbp->fd.fc;
895: sbp_alloc_lun(target);
896:
897: /* XXX untimeout mgm_ocb and dequeue */
898: for (i=0; i < target->num_lun; i++) {
899: sdev = target->luns[i];
900: if (sdev == NULL)
901: continue;
902: if (sdev->status != SBP_DEV_DEAD) {
903: if (SBP_DEVICE(sdev) != NULL) {
1.19 kiyohara 904: SBP_LOCK(sbp);
1.1 kiyohara 905: SBP_DEVICE_FREEZE(sdev, 1);
906: sdev->freeze ++;
1.19 kiyohara 907: SBP_UNLOCK(sbp);
1.1 kiyohara 908: }
909: sbp_probe_lun(sdev);
910: SBP_DEBUG(0)
911: sbp_show_sdev_info(sdev,
912: (sdev->status == SBP_DEV_RESET));
913: END_DEBUG
914:
915: sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
916: switch (sdev->status) {
917: case SBP_DEV_RESET:
918: /* new or revived target */
919: if (auto_login)
920: sbp_login(sdev);
921: break;
922: case SBP_DEV_TOATTACH:
923: case SBP_DEV_PROBE:
924: case SBP_DEV_ATTACHED:
925: case SBP_DEV_RETRY:
926: default:
927: sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
928: break;
929: }
930: } else {
931: switch (sdev->status) {
932: case SBP_DEV_ATTACHED:
933: SBP_DEBUG(0)
934: /* the device has gone */
935: sbp_show_sdev_info(sdev, 2);
936: printf("lost target\n");
937: END_DEBUG
938: if (SBP_DEVICE(sdev) != NULL) {
1.19 kiyohara 939: SBP_LOCK(sbp);
1.1 kiyohara 940: SBP_DEVICE_FREEZE(sdev, 1);
941: sdev->freeze ++;
1.19 kiyohara 942: SBP_UNLOCK(sbp);
1.1 kiyohara 943: }
944: sdev->status = SBP_DEV_RETRY;
945: sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
946: break;
947: case SBP_DEV_PROBE:
948: case SBP_DEV_TOATTACH:
949: sdev->status = SBP_DEV_RESET;
950: break;
951: case SBP_DEV_RETRY:
952: case SBP_DEV_RESET:
953: case SBP_DEV_DEAD:
954: break;
955: }
956: }
957: }
958: }
959:
960: #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
961: && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
962:
963: static void
964: sbp_post_busreset(void *arg)
965: {
966: struct sbp_softc *sbp = (struct sbp_softc *)arg;
967: struct sbp_target *target = &sbp->target;
968: struct fw_device *fwdev = target->fwdev;
969: int alive;
970:
971: alive = SBP_FWDEV_ALIVE(fwdev);
972: SBP_DEBUG(0)
973: printf("sbp_post_busreset\n");
974: if (!alive)
975: printf("not alive\n");
976: END_DEBUG
1.10 kiyohara 977: microtime(&sbp->last_busreset);
978:
1.1 kiyohara 979: if (!alive)
980: return;
981:
1.19 kiyohara 982: SBP_LOCK(sbp);
1.1 kiyohara 983: SBP_BUS_FREEZE(sbp);
1.19 kiyohara 984: SBP_UNLOCK(sbp);
1.1 kiyohara 985: }
986:
987: static void
988: sbp_post_explore(void *arg)
989: {
990: struct sbp_softc *sbp = (struct sbp_softc *)arg;
991: struct sbp_target *target = &sbp->target;
992: struct fw_device *fwdev = target->fwdev;
993: int alive;
994:
995: alive = SBP_FWDEV_ALIVE(fwdev);
996: SBP_DEBUG(0)
997: printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
998: if (!alive)
999: printf("not alive\n");
1000: END_DEBUG
1001: if (!alive)
1002: return;
1003:
1004: if (sbp_cold > 0)
1005: sbp_cold --;
1006:
1007: #if 0
1008: /*
1009: * XXX don't let CAM the bus rest.
1010: * CAM tries to do something with freezed (DEV_RETRY) devices.
1011: */
1012: xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
1013: #endif
1014:
1015: SBP_DEBUG(0)
1016: printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo);
1017: END_DEBUG
1018: sbp_probe_target((void *)target);
1019: if (target->num_lun == 0)
1020: sbp_free_target(target);
1021:
1.19 kiyohara 1022: SBP_LOCK(sbp);
1.1 kiyohara 1023: SBP_BUS_THAW(sbp);
1.19 kiyohara 1024: SBP_UNLOCK(sbp);
1.1 kiyohara 1025: }
1026:
1027: #if NEED_RESPONSE
1028: static void
1029: sbp_loginres_callback(struct fw_xfer *xfer){
1030: int s;
1031: struct sbp_dev *sdev;
1032: sdev = (struct sbp_dev *)xfer->sc;
1033: SBP_DEBUG(1)
1034: sbp_show_sdev_info(sdev, 2);
1035: printf("sbp_loginres_callback\n");
1036: END_DEBUG
1037: /* recycle */
1038: s = splfw();
1039: STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
1040: splx(s);
1041: return;
1042: }
1043: #endif
1044:
1.4 perry 1045: static inline void
1.1 kiyohara 1046: sbp_xfer_free(struct fw_xfer *xfer)
1047: {
1048: struct sbp_dev *sdev;
1049: int s;
1050:
1051: sdev = (struct sbp_dev *)xfer->sc;
1052: fw_xfer_unload(xfer);
1053: s = splfw();
1.19 kiyohara 1054: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 1055: STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
1.19 kiyohara 1056: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 1057: splx(s);
1058: }
1059:
1060: static void
1061: sbp_reset_start_callback(struct fw_xfer *xfer)
1062: {
1063: struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
1064: struct sbp_target *target = sdev->target;
1065: int i;
1066:
1067: if (xfer->resp != 0) {
1068: sbp_show_sdev_info(sdev, 2);
1069: printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
1070: }
1071:
1072: for (i = 0; i < target->num_lun; i++) {
1073: tsdev = target->luns[i];
1074: if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
1075: sbp_login(tsdev);
1076: }
1077: }
1078:
1079: static void
1080: sbp_reset_start(struct sbp_dev *sdev)
1081: {
1082: struct fw_xfer *xfer;
1083: struct fw_pkt *fp;
1084:
1085: SBP_DEBUG(0)
1086: sbp_show_sdev_info(sdev, 2);
1087: printf("sbp_reset_start\n");
1088: END_DEBUG
1089:
1090: xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1091: xfer->hand = sbp_reset_start_callback;
1092: fp = &xfer->send.hdr;
1093: fp->mode.wreqq.dest_hi = 0xffff;
1094: fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
1095: fp->mode.wreqq.data = htonl(0xf);
1096: fw_asyreq(xfer->fc, -1, xfer);
1097: }
1098:
1099: static void
1100: sbp_mgm_callback(struct fw_xfer *xfer)
1101: {
1102: struct sbp_dev *sdev;
1103: int resp;
1104:
1105: sdev = (struct sbp_dev *)xfer->sc;
1106:
1107: SBP_DEBUG(1)
1108: sbp_show_sdev_info(sdev, 2);
1109: printf("sbp_mgm_callback\n");
1110: END_DEBUG
1111: resp = xfer->resp;
1112: sbp_xfer_free(xfer);
1113: #if 0
1114: if (resp != 0) {
1115: sbp_show_sdev_info(sdev, 2);
1116: printf("management ORB failed(%d) ... RESET_START\n", resp);
1117: sbp_reset_start(sdev);
1118: }
1119: #endif
1120: return;
1121: }
1122:
1123: #if defined(__FreeBSD__)
1124: static struct sbp_dev *
1125: sbp_next_dev(struct sbp_target *target, int lun)
1126: {
1127: struct sbp_dev **sdevp;
1128: int i;
1129:
1130: for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
1131: i++, sdevp++)
1132: if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
1133: return(*sdevp);
1134: return(NULL);
1135: }
1136:
1137: #define SCAN_PRI 1
1138: static void
1139: sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer)
1140: {
1141: struct sbp_target *target;
1142: struct sbp_dev *sdev;
1143:
1144: sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr;
1145: target = sdev->target;
1146: SBP_DEBUG(0)
1147: sbp_show_sdev_info(sdev, 2);
1148: printf("sbp_cam_scan_lun\n");
1149: END_DEBUG
1150: if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) {
1151: sdev->status = SBP_DEV_ATTACHED;
1152: } else {
1153: sbp_show_sdev_info(sdev, 2);
1154: printf("scan failed\n");
1155: }
1156: sdev = sbp_next_dev(target, sdev->lun_id + 1);
1157: if (sdev == NULL) {
1158: free(sxfer, M_SBP);
1159: return;
1160: }
1161: /* reuse sxfer */
1162: xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
1163: sxfer->ccb_h.ccb_sdev_ptr = sdev;
1164: xpt_action(sxfer);
1165: xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1166: sdev->freeze = 1;
1167: }
1168:
1169: static void
1170: sbp_cam_scan_target(void *arg)
1171: {
1172: struct sbp_target *target = (struct sbp_target *)arg;
1173: struct sbp_dev *sdev;
1174: sbp_scsi_xfer *sxfer;
1175:
1176: sdev = sbp_next_dev(target, 0);
1177: if (sdev == NULL) {
1178: printf("sbp_cam_scan_target: nothing to do for target%d\n",
1179: target->target_id);
1180: return;
1181: }
1182: SBP_DEBUG(0)
1183: sbp_show_sdev_info(sdev, 2);
1184: printf("sbp_cam_scan_target\n");
1185: END_DEBUG
1186: sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO);
1187: if (sxfer == NULL) {
1188: printf("sbp_cam_scan_target: malloc failed\n");
1189: return;
1190: }
1191: xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
1192: sxfer->ccb_h.func_code = XPT_SCAN_LUN;
1193: sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun;
1194: sxfer->ccb_h.flags |= CAM_DEV_QFREEZE;
1195: sxfer->crcn.flags = CAM_FLAG_NONE;
1196: sxfer->ccb_h.ccb_sdev_ptr = sdev;
1197:
1198: /* The scan is in progress now. */
1.19 kiyohara 1199: SBP_LOCK(target->sbp);
1.1 kiyohara 1200: xpt_action(sxfer);
1201: xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1202: sdev->freeze = 1;
1.19 kiyohara 1203: SBP_UNLOCK(target->sbp);
1.1 kiyohara 1204: }
1205:
1.4 perry 1206: static inline void
1.1 kiyohara 1207: sbp_scan_dev(struct sbp_dev *sdev)
1208: {
1209: sdev->status = SBP_DEV_PROBE;
1.19 kiyohara 1210: fw_callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
1.1 kiyohara 1211: sbp_cam_scan_target, (void *)sdev->target);
1212: }
1.21 kiyohara 1213: #elif defined(__NetBSD__)
1.1 kiyohara 1214: static void
1215: sbp_scsipi_scan_target(void *arg)
1216: {
1217: struct sbp_target *target = (struct sbp_target *)arg;
1218: struct sbp_softc *sbp = target->sbp;
1219: struct sbp_dev *sdev;
1220: struct scsipi_channel *chan = &sbp->sc_channel;
1.21 kiyohara 1221: struct scsibus_softc *sc_bus = device_private(sbp->sc_bus);
1.1 kiyohara 1222: int lun, yet;
1223:
1224: do {
1225: tsleep(target, PWAIT|PCATCH, "-", 0);
1226: yet = 0;
1227:
1228: for (lun = 0; lun < target->num_lun; lun ++) {
1229: sdev = target->luns[lun];
1230: if (sdev == NULL)
1231: continue;
1232: if (sdev->status != SBP_DEV_PROBE) {
1233: yet ++;
1234: continue;
1235: }
1236:
1237: if (sdev->periph == NULL) {
1238: if (chan->chan_nluns < target->num_lun)
1239: chan->chan_nluns = target->num_lun;
1240:
1241: scsi_probe_bus(sc_bus,
1242: target->target_id, sdev->lun_id);
1243: sdev->periph = scsipi_lookup_periph(
1244: chan, target->target_id, lun);
1245: }
1246: sdev->status = SBP_DEV_ATTACHED;
1247: }
1248: } while (yet > 0);
1249:
1.17 ad 1250: sbp->lwp = NULL;
1.1 kiyohara 1251: kthread_exit(0);
1252: }
1253:
1.4 perry 1254: static inline void
1.1 kiyohara 1255: sbp_scan_dev(struct sbp_dev *sdev)
1256: {
1257: sdev->status = SBP_DEV_PROBE;
1258: wakeup(sdev->target);
1259: }
1260: #endif
1261:
1262:
1263: static void
1264: sbp_do_attach(struct fw_xfer *xfer)
1265: {
1266: struct sbp_dev *sdev;
1267: struct sbp_target *target;
1268: struct sbp_softc *sbp;
1269:
1270: sdev = (struct sbp_dev *)xfer->sc;
1271: target = sdev->target;
1272: sbp = target->sbp;
1273:
1274: SBP_DEBUG(0)
1275: sbp_show_sdev_info(sdev, 2);
1276: printf("sbp_do_attach\n");
1277: END_DEBUG
1278: sbp_xfer_free(xfer);
1279:
1280: #if defined(__FreeBSD__)
1281: if (sdev->path == NULL)
1282: xpt_create_path(&sdev->path, xpt_periph,
1283: cam_sim_path(target->sbp->sim),
1284: target->target_id, sdev->lun_id);
1285:
1286: /*
1287: * Let CAM scan the bus if we are in the boot process.
1288: * XXX xpt_scan_bus cannot detect LUN larger than 0
1289: * if LUN 0 doesn't exists.
1290: */
1291: if (sbp_cold > 0) {
1292: sdev->status = SBP_DEV_ATTACHED;
1293: return;
1294: }
1295: #endif
1296:
1297: sbp_scan_dev(sdev);
1298: return;
1299: }
1300:
1301: static void
1302: sbp_agent_reset_callback(struct fw_xfer *xfer)
1303: {
1304: struct sbp_dev *sdev;
1305:
1306: sdev = (struct sbp_dev *)xfer->sc;
1307: SBP_DEBUG(1)
1308: sbp_show_sdev_info(sdev, 2);
1309: printf("%s\n", __func__);
1310: END_DEBUG
1311: if (xfer->resp != 0) {
1312: sbp_show_sdev_info(sdev, 2);
1313: printf("%s: resp=%d\n", __func__, xfer->resp);
1314: }
1315:
1316: sbp_xfer_free(xfer);
1317: if (SBP_DEVICE(sdev)) {
1.19 kiyohara 1318: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 1319: SBP_DEVICE_THAW(sdev, sdev->freeze);
1320: sdev->freeze = 0;
1.19 kiyohara 1321: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 1322: }
1323: }
1324:
1325: static void
1326: sbp_agent_reset(struct sbp_dev *sdev)
1327: {
1328: struct fw_xfer *xfer;
1329: struct fw_pkt *fp;
1330:
1331: SBP_DEBUG(0)
1332: sbp_show_sdev_info(sdev, 2);
1333: printf("sbp_agent_reset\n");
1334: END_DEBUG
1335: xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1336: if (xfer == NULL)
1337: return;
1338: if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1339: xfer->hand = sbp_agent_reset_callback;
1340: else
1341: xfer->hand = sbp_do_attach;
1342: fp = &xfer->send.hdr;
1343: fp->mode.wreqq.data = htonl(0xf);
1344: fw_asyreq(xfer->fc, -1, xfer);
1345: sbp_abort_all_ocbs(sdev, XS_BDR_SENT);
1346: }
1347:
1348: static void
1349: sbp_busy_timeout_callback(struct fw_xfer *xfer)
1350: {
1351: struct sbp_dev *sdev;
1352:
1353: sdev = (struct sbp_dev *)xfer->sc;
1354: SBP_DEBUG(1)
1355: sbp_show_sdev_info(sdev, 2);
1356: printf("sbp_busy_timeout_callback\n");
1357: END_DEBUG
1358: sbp_xfer_free(xfer);
1359: sbp_agent_reset(sdev);
1360: }
1361:
1362: static void
1363: sbp_busy_timeout(struct sbp_dev *sdev)
1364: {
1365: struct fw_pkt *fp;
1366: struct fw_xfer *xfer;
1367: SBP_DEBUG(0)
1368: sbp_show_sdev_info(sdev, 2);
1369: printf("sbp_busy_timeout\n");
1370: END_DEBUG
1371: xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1372:
1373: xfer->hand = sbp_busy_timeout_callback;
1374: fp = &xfer->send.hdr;
1375: fp->mode.wreqq.dest_hi = 0xffff;
1376: fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1377: fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1378: fw_asyreq(xfer->fc, -1, xfer);
1379: }
1380:
1381: static void
1382: sbp_orb_pointer_callback(struct fw_xfer *xfer)
1383: {
1384: struct sbp_dev *sdev;
1385: sdev = (struct sbp_dev *)xfer->sc;
1386:
1387: SBP_DEBUG(1)
1388: sbp_show_sdev_info(sdev, 2);
1389: printf("%s\n", __func__);
1390: END_DEBUG
1391: if (xfer->resp != 0) {
1392: /* XXX */
1393: printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1394: }
1395: sbp_xfer_free(xfer);
1396: sdev->flags &= ~ORB_POINTER_ACTIVE;
1397:
1398: if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1399: struct sbp_ocb *ocb;
1400:
1401: sdev->flags &= ~ORB_POINTER_NEED;
1402: ocb = STAILQ_FIRST(&sdev->ocbs);
1403: if (ocb != NULL)
1404: sbp_orb_pointer(sdev, ocb);
1405: }
1406: return;
1407: }
1408:
1409: static void
1410: sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1411: {
1412: struct fw_xfer *xfer;
1413: struct fw_pkt *fp;
1414: SBP_DEBUG(1)
1415: sbp_show_sdev_info(sdev, 2);
1416: printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr);
1417: END_DEBUG
1418:
1419: if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1420: SBP_DEBUG(0)
1421: printf("%s: orb pointer active\n", __func__);
1422: END_DEBUG
1423: sdev->flags |= ORB_POINTER_NEED;
1424: return;
1425: }
1426:
1427: sdev->flags |= ORB_POINTER_ACTIVE;
1428: xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1429: if (xfer == NULL)
1430: return;
1431: xfer->hand = sbp_orb_pointer_callback;
1432:
1433: fp = &xfer->send.hdr;
1434: fp->mode.wreqb.len = 8;
1435: fp->mode.wreqb.extcode = 0;
1436: xfer->send.payload[0] =
1437: htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1438: xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
1439:
1440: if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1441: sbp_xfer_free(xfer);
1442: SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID;
1443: SCSI_TRANSFER_DONE(ocb->sxfer);
1444: }
1445: }
1446:
1447: static void
1448: sbp_doorbell_callback(struct fw_xfer *xfer)
1449: {
1450: struct sbp_dev *sdev;
1451: sdev = (struct sbp_dev *)xfer->sc;
1452:
1453: SBP_DEBUG(1)
1454: sbp_show_sdev_info(sdev, 2);
1455: printf("sbp_doorbell_callback\n");
1456: END_DEBUG
1457: if (xfer->resp != 0) {
1458: /* XXX */
1459: printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1460: }
1461: sbp_xfer_free(xfer);
1462: sdev->flags &= ~ORB_DOORBELL_ACTIVE;
1463: if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
1464: sdev->flags &= ~ORB_DOORBELL_NEED;
1465: sbp_doorbell(sdev);
1466: }
1467: return;
1468: }
1469:
1470: static void
1471: sbp_doorbell(struct sbp_dev *sdev)
1472: {
1473: struct fw_xfer *xfer;
1474: struct fw_pkt *fp;
1475: SBP_DEBUG(1)
1476: sbp_show_sdev_info(sdev, 2);
1477: printf("sbp_doorbell\n");
1478: END_DEBUG
1479:
1480: if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
1481: sdev->flags |= ORB_DOORBELL_NEED;
1482: return;
1483: }
1484: sdev->flags |= ORB_DOORBELL_ACTIVE;
1485: xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1486: if (xfer == NULL)
1487: return;
1488: xfer->hand = sbp_doorbell_callback;
1489: fp = &xfer->send.hdr;
1490: fp->mode.wreqq.data = htonl(0xf);
1491: fw_asyreq(xfer->fc, -1, xfer);
1492: }
1493:
1494: static struct fw_xfer *
1495: sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1496: {
1497: struct fw_xfer *xfer;
1498: struct fw_pkt *fp;
1499: struct sbp_target *target;
1500: int s, new = 0;
1501:
1502: target = sdev->target;
1503: s = splfw();
1504: xfer = STAILQ_FIRST(&target->xferlist);
1505: if (xfer == NULL) {
1506: if (target->n_xfer > 5 /* XXX */) {
1507: printf("sbp: no more xfer for this target\n");
1508: splx(s);
1509: return(NULL);
1510: }
1511: xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1512: if(xfer == NULL){
1513: printf("sbp: fw_xfer_alloc_buf failed\n");
1514: splx(s);
1515: return NULL;
1516: }
1517: target->n_xfer ++;
1518: if (debug)
1519: printf("sbp: alloc %d xfer\n", target->n_xfer);
1520: new = 1;
1521: } else {
1522: STAILQ_REMOVE_HEAD(&target->xferlist, link);
1523: }
1524: splx(s);
1525:
1526: microtime(&xfer->tv);
1527:
1528: if (new) {
1529: xfer->recv.pay_len = 0;
1530: xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1531: xfer->fc = sdev->target->sbp->fd.fc;
1532: }
1533:
1534: if (tcode == FWTCODE_WREQB)
1535: xfer->send.pay_len = 8;
1536: else
1537: xfer->send.pay_len = 0;
1538:
1.15 christos 1539: xfer->sc = (void *)sdev;
1.1 kiyohara 1540: fp = &xfer->send.hdr;
1541: fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1542: fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1543: fp->mode.wreqq.tlrt = 0;
1544: fp->mode.wreqq.tcode = tcode;
1545: fp->mode.wreqq.pri = 0;
1546: fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1547:
1548: return xfer;
1549: }
1550:
1551: static void
1552: sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1553: {
1554: struct fw_xfer *xfer;
1555: struct fw_pkt *fp;
1556: struct sbp_ocb *ocb;
1557: struct sbp_target *target;
1558: int s, nid, dv_unit;
1559:
1560: target = sdev->target;
1561: nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1.19 kiyohara 1562: dv_unit = fw_get_unit(target->sbp->fd.dev);
1.1 kiyohara 1563:
1564: s = splfw();
1.19 kiyohara 1565: SBP_LOCK(target->sbp);
1.1 kiyohara 1566: if (func == ORB_FUN_RUNQUEUE) {
1567: ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1568: if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1.19 kiyohara 1569: SBP_UNLOCK(target->sbp);
1.1 kiyohara 1570: splx(s);
1571: return;
1572: }
1573: STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1.19 kiyohara 1574: SBP_UNLOCK(target->sbp);
1.1 kiyohara 1575: goto start;
1576: }
1577: if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1.19 kiyohara 1578: SBP_UNLOCK(target->sbp);
1.1 kiyohara 1579: splx(s);
1580: /* XXX */
1581: return;
1582: }
1.19 kiyohara 1583: SBP_UNLOCK(target->sbp);
1.1 kiyohara 1584: ocb->flags = OCB_ACT_MGM;
1585: ocb->sdev = sdev;
1586:
1.21.4.1 yamt 1587: memset((void *)ocb->orb, 0, sizeof(ocb->orb));
1.1 kiyohara 1588: ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1589: ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id));
1590:
1591: SBP_DEBUG(0)
1592: sbp_show_sdev_info(sdev, 2);
1593: printf("%s\n", orb_fun_name[(func>>16)&0xf]);
1594: END_DEBUG
1595: switch (func) {
1596: case ORB_FUN_LGI:
1597: ocb->orb[0] = ocb->orb[1] = 0; /* password */
1598: ocb->orb[2] = htonl(nid << 16);
1599: ocb->orb[3] = htonl(sdev->dma.bus_addr);
1600: ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1601: if (ex_login)
1602: ocb->orb[4] |= htonl(ORB_EXV);
1603: ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1604: break;
1605: case ORB_FUN_ATA:
1606: ocb->orb[0] = htonl((0 << 16) | 0);
1607: ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1608: /* fall through */
1609: case ORB_FUN_RCN:
1610: case ORB_FUN_LGO:
1611: case ORB_FUN_LUR:
1612: case ORB_FUN_RST:
1613: case ORB_FUN_ATS:
1614: ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1615: break;
1616: }
1617:
1618: if (target->mgm_ocb_cur != NULL) {
1619: /* there is a standing ORB */
1.19 kiyohara 1620: SBP_LOCK(target->sbp);
1.1 kiyohara 1621: STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1.19 kiyohara 1622: SBP_UNLOCK(target->sbp);
1.1 kiyohara 1623: splx(s);
1624: return;
1625: }
1626: start:
1627: target->mgm_ocb_cur = ocb;
1628: splx(s);
1629:
1.19 kiyohara 1630: fw_callout_reset(&target->mgm_ocb_timeout, 5*hz,
1.15 christos 1631: sbp_mgm_timeout, (void *)ocb);
1.1 kiyohara 1632: xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1633: if(xfer == NULL){
1634: return;
1635: }
1636: xfer->hand = sbp_mgm_callback;
1637:
1638: fp = &xfer->send.hdr;
1639: fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1640: fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1641: fp->mode.wreqb.len = 8;
1642: fp->mode.wreqb.extcode = 0;
1643: xfer->send.payload[0] = htonl(nid << 16);
1644: xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1645: SBP_DEBUG(0)
1646: sbp_show_sdev_info(sdev, 2);
1647: printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr);
1648: END_DEBUG
1649:
1650: /* cache writeback & invalidate(required ORB_FUN_LGI func) */
1651: /* when abort_ocb, should sync POST ope ? */
1652: fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1653: fw_asyreq(xfer->fc, -1, xfer);
1654: }
1655:
1656: static void
1657: sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1658: {
1659: #if defined(__FreeBSD__)
1660: struct ccb_scsiio *csio;
1661:
1662: csio = &ocb->sxfer->csio;
1663: #endif
1664: printf("%s:%d:%d XPT_SCSI_IO: "
1665: "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1666: ", flags: 0x%02x, "
1667: "%db cmd/%db data/%db sense\n",
1.19 kiyohara 1668: fw_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1.1 kiyohara 1669: SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer),
1670: SCSI_XFER_10BCMD_DUMP(ocb->sxfer),
1671: SCSI_XFER_DIR(ocb->sxfer),
1672: SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer),
1673: SCSI_XFER_SENSELEN(ocb->sxfer));
1674: }
1675:
1676: static void
1677: sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1678: {
1679: struct sbp_cmd_status *sbp_cmd_status;
1680: scsi3_sense_data_t sense =
1681: (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer);
1682:
1683: sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1684:
1685: SBP_DEBUG(0)
1686: sbp_print_scsi_cmd(ocb);
1687: /* XXX need decode status */
1688: sbp_show_sdev_info(ocb->sdev, 2);
1689: printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1690: sbp_cmd_status->status,
1691: sbp_cmd_status->sfmt,
1692: sbp_cmd_status->valid,
1693: sbp_cmd_status->s_key,
1694: sbp_cmd_status->s_code,
1695: sbp_cmd_status->s_qlfr,
1696: sbp_status->len
1697: );
1698: END_DEBUG
1699:
1700: switch (sbp_cmd_status->status) {
1701: case SCSI_STATUS_CHECK_COND:
1702: case SCSI_STATUS_BUSY:
1703: case SCSI_STATUS_CMD_TERMINATED:
1704: if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1705: sense->response_code = SSD_CURRENT_ERROR;
1706: }else{
1707: sense->response_code = SSD_DEFERRED_ERROR;
1708: }
1709: if(sbp_cmd_status->valid)
1710: sense->response_code |= SSD_RESPONSE_CODE_VALID;
1711: sense->flags = sbp_cmd_status->s_key;
1712: if(sbp_cmd_status->mark)
1713: sense->flags |= SSD_FILEMARK;
1714: if(sbp_cmd_status->eom)
1715: sense->flags |= SSD_EOM;
1716: if(sbp_cmd_status->ill_len)
1717: sense->flags |= SSD_ILI;
1718:
1.21.4.1 yamt 1719: memcpy(&sense->information[0], &sbp_cmd_status->info, 4);
1.1 kiyohara 1720:
1721: if (sbp_status->len <= 1)
1722: /* XXX not scsi status. shouldn't be happened */
1723: sense->asl = 0;
1724: else if (sbp_status->len <= 4)
1725: /* add_sense_code(_qual), info, cmd_spec_info */
1726: sense->asl = 6;
1727: else
1728: /* fru, sense_key_spec */
1729: sense->asl = 10;
1730:
1.21.4.1 yamt 1731: memcpy(&sense->csi[0], &sbp_cmd_status->cdb, 4);
1.1 kiyohara 1732:
1733: sense->asc = sbp_cmd_status->s_code;
1734: sense->ascq = sbp_cmd_status->s_qlfr;
1735: sense->fruc = sbp_cmd_status->fru;
1736:
1.21.4.1 yamt 1737: memcpy(&sense->sks[0], &sbp_cmd_status->s_keydep[0], 3);
1.1 kiyohara 1738: SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE;
1739: SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status;
1740: /*
1741: {
1742: uint8_t j, *tmp;
1743: tmp = sense;
1744: for( j = 0 ; j < 32 ; j+=8){
1745: printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1746: tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1747: tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1748: }
1749:
1750: }
1751: */
1752: break;
1753: default:
1754: sbp_show_sdev_info(ocb->sdev, 2);
1755: printf("sbp_scsi_status: unknown scsi status 0x%x\n",
1756: sbp_cmd_status->status);
1757: }
1758: }
1759:
1760: static void
1761: sbp_fix_inq_data(struct sbp_ocb *ocb)
1762: {
1763: sbp_scsi_xfer *sxfer = ocb->sxfer;
1764: struct sbp_dev *sdev;
1765: scsi3_inquiry_data_t inq =
1766: (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer);
1767: sdev = ocb->sdev;
1768:
1769: if (SCSI_XFER_EVPD(sxfer))
1770: return;
1771: SBP_DEBUG(1)
1772: sbp_show_sdev_info(sdev, 2);
1773: printf("sbp_fix_inq_data\n");
1774: END_DEBUG
1775: switch (inq->device & SID_TYPE) {
1776: case T_DIRECT:
1777: #if 0
1778: /*
1779: * XXX Convert Direct Access device to RBC.
1780: * I've never seen FireWire DA devices which support READ_6.
1781: */
1782: if ((inq->device & SID_TYPE) == T_DIRECT)
1783: inq->device |= T_RBC; /* T_DIRECT == 0 */
1784: #endif
1785: /* fall through */
1786: case T_RBC:
1787: /*
1788: * Override vendor/product/revision information.
1789: * Some devices sometimes return strange strings.
1790: */
1791: #if 1
1.21.4.1 yamt 1792: memcpy(inq->vendor, sdev->vendor, sizeof(inq->vendor));
1793: memcpy(inq->product, sdev->product, sizeof(inq->product));
1794: memcpy(inq->revision, sdev->revision+2, sizeof(inq->revision));
1.1 kiyohara 1795: #endif
1796: break;
1797: }
1798: /*
1799: * Force to enable/disable tagged queuing.
1800: * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
1801: */
1802: if (sbp_tags > 0)
1803: inq->flags[1] |= SID_CmdQue;
1804: else if (sbp_tags < 0)
1805: inq->flags[1] &= ~SID_CmdQue;
1806:
1807: }
1808:
1809: static void
1810: sbp_recv1(struct fw_xfer *xfer)
1811: {
1812: struct fw_pkt *rfp;
1813: #if NEED_RESPONSE
1814: struct fw_pkt *sfp;
1815: #endif
1816: struct sbp_softc *sbp;
1817: struct sbp_dev *sdev;
1818: struct sbp_ocb *ocb;
1819: struct sbp_login_res *login_res = NULL;
1820: struct sbp_status *sbp_status;
1821: struct sbp_target *target;
1822: int orb_fun, status_valid0, status_valid, l, reset_agent = 0;
1823: uint32_t addr;
1824: /*
1825: uint32_t *ld;
1826: ld = xfer->recv.buf;
1827: printf("sbp %x %d %d %08x %08x %08x %08x\n",
1828: xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1829: printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1830: printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1831: */
1832: sbp = (struct sbp_softc *)xfer->sc;
1833: if (xfer->resp != 0){
1834: printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1835: goto done0;
1836: }
1837: if (xfer->recv.payload == NULL){
1838: printf("sbp_recv: xfer->recv.payload == NULL\n");
1839: goto done0;
1840: }
1841: rfp = &xfer->recv.hdr;
1842: if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1843: printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1844: goto done0;
1845: }
1846: sbp_status = (struct sbp_status *)xfer->recv.payload;
1847: addr = rfp->mode.wreqb.dest_lo;
1848: SBP_DEBUG(2)
1849: printf("received address 0x%x\n", addr);
1850: END_DEBUG
1851: target = &sbp->target;
1852: l = SBP_ADDR2LUN(addr);
1853: if (l >= target->num_lun || target->luns[l] == NULL) {
1.19 kiyohara 1854: fw_printf(sbp->fd.dev,
1.1 kiyohara 1855: "sbp_recv1: invalid lun %d (target=%d)\n",
1856: l, target->target_id);
1857: goto done0;
1858: }
1859: sdev = target->luns[l];
1860:
1861: fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1862:
1863: ocb = NULL;
1864: switch (sbp_status->src) {
1865: case SRC_NEXT_EXISTS:
1866: case SRC_NO_NEXT:
1867: /* check mgm_ocb_cur first */
1868: ocb = target->mgm_ocb_cur;
1869: if (ocb != NULL) {
1870: if (OCB_MATCH(ocb, sbp_status)) {
1.19 kiyohara 1871: fw_callout_stop(&target->mgm_ocb_timeout);
1.1 kiyohara 1872: target->mgm_ocb_cur = NULL;
1873: break;
1874: }
1875: }
1876: ocb = sbp_dequeue_ocb(sdev, sbp_status);
1877: if (ocb == NULL) {
1878: sbp_show_sdev_info(sdev, 2);
1879: #if defined(__DragonFly__) || \
1880: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
1881: printf("No ocb(%lx) on the queue\n",
1882: #else
1883: printf("No ocb(%x) on the queue\n",
1884: #endif
1885: ntohl(sbp_status->orb_lo));
1886: }
1887: break;
1888: case SRC_UNSOL:
1889: /* unsolicit */
1890: sbp_show_sdev_info(sdev, 2);
1891: printf("unsolicit status received\n");
1892: break;
1893: default:
1894: sbp_show_sdev_info(sdev, 2);
1895: printf("unknown sbp_status->src\n");
1896: }
1897:
1898: status_valid0 = (sbp_status->src < 2
1899: && sbp_status->resp == SBP_REQ_CMP
1900: && sbp_status->dead == 0);
1901: status_valid = (status_valid0 && sbp_status->status == 0);
1902:
1903: if (!status_valid0 || debug > 2){
1904: int status;
1905: SBP_DEBUG(0)
1906: sbp_show_sdev_info(sdev, 2);
1907: printf("ORB status src:%x resp:%x dead:%x"
1908: #if defined(__DragonFly__) || \
1909: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
1910: " len:%x stat:%x orb:%x%08lx\n",
1911: #else
1912: " len:%x stat:%x orb:%x%08x\n",
1913: #endif
1914: sbp_status->src, sbp_status->resp, sbp_status->dead,
1915: sbp_status->len, sbp_status->status,
1916: ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1917: END_DEBUG
1918: sbp_show_sdev_info(sdev, 2);
1919: status = sbp_status->status;
1920: switch(sbp_status->resp) {
1921: case SBP_REQ_CMP:
1922: if (status > MAX_ORB_STATUS0)
1923: printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1924: else
1925: printf("%s\n", orb_status0[status]);
1926: break;
1927: case SBP_TRANS_FAIL:
1928: printf("Obj: %s, Error: %s\n",
1929: orb_status1_object[(status>>6) & 3],
1930: orb_status1_serial_bus_error[status & 0xf]);
1931: break;
1932: case SBP_ILLE_REQ:
1933: printf("Illegal request\n");
1934: break;
1935: case SBP_VEND_DEP:
1936: printf("Vendor dependent\n");
1937: break;
1938: default:
1939: printf("unknown respose code %d\n", sbp_status->resp);
1940: }
1941: }
1942:
1943: /* we have to reset the fetch agent if it's dead */
1944: if (sbp_status->dead) {
1945: if (SBP_DEVICE(sdev) != NULL) {
1.19 kiyohara 1946: SBP_LOCK(sbp);
1.1 kiyohara 1947: SBP_DEVICE_FREEZE(sdev, 1);
1948: sdev->freeze ++;
1.19 kiyohara 1949: SBP_UNLOCK(sbp);
1.1 kiyohara 1950: }
1951: reset_agent = 1;
1952: }
1953:
1954: if (ocb == NULL)
1955: goto done;
1956:
1957: switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1958: case ORB_FMT_NOP:
1959: break;
1960: case ORB_FMT_VED:
1961: break;
1962: case ORB_FMT_STD:
1963: switch(ocb->flags) {
1964: case OCB_ACT_MGM:
1965: orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1966: reset_agent = 0;
1967: switch(orb_fun) {
1968: case ORB_FUN_LGI:
1969: login_res = sdev->login;
1970: login_res->len = ntohs(login_res->len);
1971: login_res->id = ntohs(login_res->id);
1972: login_res->cmd_hi = ntohs(login_res->cmd_hi);
1973: login_res->cmd_lo = ntohl(login_res->cmd_lo);
1974: if (status_valid) {
1975: SBP_DEBUG(0)
1976: sbp_show_sdev_info(sdev, 2);
1977: printf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo, ntohs(login_res->recon_hold));
1978: END_DEBUG
1979: sbp_busy_timeout(sdev);
1980: } else {
1981: /* forgot logout? */
1982: sbp_show_sdev_info(sdev, 2);
1983: printf("login failed\n");
1984: sdev->status = SBP_DEV_RESET;
1985: }
1986: break;
1987: case ORB_FUN_RCN:
1988: login_res = sdev->login;
1989: if (status_valid) {
1990: SBP_DEBUG(0)
1991: sbp_show_sdev_info(sdev, 2);
1992: printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1993: END_DEBUG
1994: #if 1
1995: #if defined(__FreeBSD__)
1996: if (sdev->status == SBP_DEV_ATTACHED)
1997: sbp_scan_dev(sdev);
1998: else
1999: #endif
2000: sbp_agent_reset(sdev);
2001: #else
2002: sdev->status = SBP_DEV_ATTACHED;
2003: sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
2004: #endif
2005: } else {
2006: /* reconnection hold time exceed? */
2007: SBP_DEBUG(0)
2008: sbp_show_sdev_info(sdev, 2);
2009: printf("reconnect failed\n");
2010: END_DEBUG
2011: sbp_login(sdev);
2012: }
2013: break;
2014: case ORB_FUN_LGO:
2015: sdev->status = SBP_DEV_RESET;
2016: break;
2017: case ORB_FUN_RST:
2018: sbp_busy_timeout(sdev);
2019: break;
2020: case ORB_FUN_LUR:
2021: case ORB_FUN_ATA:
2022: case ORB_FUN_ATS:
2023: sbp_agent_reset(sdev);
2024: break;
2025: default:
2026: sbp_show_sdev_info(sdev, 2);
2027: printf("unknown function %d\n", orb_fun);
2028: break;
2029: }
2030: sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2031: break;
2032: case OCB_ACT_CMD:
2033: sdev->timeout = 0;
2034: if(ocb->sxfer != NULL){
2035: sbp_scsi_xfer *sxfer = ocb->sxfer;
2036: /*
2037: uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer);
2038: if(ld != NULL &&
2039: SCSI_XFER_DATALEN(ocb->sxfer) != 0)
2040: printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
2041: else
2042: printf("ptr NULL\n");
2043: printf("len %d\n", sbp_status->len);
2044: */
2045: if(sbp_status->len > 1){
2046: sbp_scsi_status(sbp_status, ocb);
2047: }else{
2048: if(sbp_status->resp != SBP_REQ_CMP){
2049: SCSI_XFER_ERROR(sxfer) =
2050: XS_REQ_CMP_ERR;
2051: }else{
2052: SCSI_XFER_ERROR(sxfer) =
2053: XS_REQ_CMP;
2054: SCSI_XFER_REQUEST_COMPLETE(
2055: sxfer);
2056: }
2057: }
2058: /* fix up inq data */
2059: if (SCSI_XFER_OPECODE(sxfer) == INQUIRY)
2060: sbp_fix_inq_data(ocb);
1.19 kiyohara 2061: SBP_LOCK(sbp);
1.1 kiyohara 2062: SCSI_TRANSFER_DONE(sxfer);
1.19 kiyohara 2063: SBP_UNLOCK(sbp);
1.1 kiyohara 2064: }
2065: break;
2066: default:
2067: break;
2068: }
2069: }
2070:
2071: if (!use_doorbell)
2072: sbp_free_ocb(sdev, ocb);
2073: done:
2074: if (reset_agent)
2075: sbp_agent_reset(sdev);
2076:
2077: done0:
2078: xfer->recv.pay_len = SBP_RECV_LEN;
2079: /* The received packet is usually small enough to be stored within
2080: * the buffer. In that case, the controller return ack_complete and
2081: * no respose is necessary.
2082: *
2083: * XXX fwohci.c and firewire.c should inform event_code such as
2084: * ack_complete or ack_pending to upper driver.
2085: */
2086: #if NEED_RESPONSE
2087: xfer->send.off = 0;
2088: sfp = (struct fw_pkt *)xfer->send.buf;
2089: sfp->mode.wres.dst = rfp->mode.wreqb.src;
2090: xfer->dst = sfp->mode.wres.dst;
2091: xfer->spd = min(sdev->target->fwdev->speed, max_speed);
2092: xfer->hand = sbp_loginres_callback;
2093:
2094: sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
2095: sfp->mode.wres.tcode = FWTCODE_WRES;
2096: sfp->mode.wres.rtcode = 0;
2097: sfp->mode.wres.pri = 0;
2098:
2099: fw_asyreq(xfer->fc, -1, xfer);
2100: #else
2101: /* recycle */
2102: STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
2103: #endif
2104:
2105: return;
2106:
2107: }
2108:
2109: static void
2110: sbp_recv(struct fw_xfer *xfer)
2111: {
2112: int s;
2113:
2114: s = splfwsbp();
2115: sbp_recv1(xfer);
2116: splx(s);
2117: }
2118: /*
2119: * sbp_attach()
2120: */
2121: FW_ATTACH(sbp)
2122: {
2123: FW_ATTACH_START(sbp, sbp, fwa);
2124: int dv_unit, error, s;
1.19 kiyohara 2125: struct firewire_comm *fc;
1.1 kiyohara 2126: SBP_ATTACH_START;
2127:
1.16 kiyohara 2128: if (DFLTPHYS > SBP_MAXPHYS)
1.19 kiyohara 2129: fw_printf(sbp->fd.dev,
1.16 kiyohara 2130: "Warning, DFLTPHYS(%dKB) is larger than "
2131: "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
2132: SBP_MAXPHYS / 1024);
1.1 kiyohara 2133: SBP_DEBUG(0)
2134: printf("sbp_attach (cold=%d)\n", cold);
2135: END_DEBUG
2136:
2137: if (cold)
2138: sbp_cold ++;
1.19 kiyohara 2139: sbp->fd.fc = fc = fwa->fc;
2140: fw_mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF);
1.1 kiyohara 2141:
2142: if (max_speed < 0)
1.19 kiyohara 2143: max_speed = fc->speed;
1.1 kiyohara 2144:
1.19 kiyohara 2145: error = fw_bus_dma_tag_create(/*parent*/fc->dmat,
1.1 kiyohara 2146: /* XXX shoud be 4 for sane backend? */
2147: /*alignment*/1,
2148: /*boundary*/0,
2149: /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
2150: /*highaddr*/BUS_SPACE_MAXADDR,
2151: /*filter*/NULL, /*filterarg*/NULL,
2152: /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
2153: /*maxsegsz*/SBP_SEG_MAX,
2154: /*flags*/BUS_DMA_ALLOCNOW,
2155: /*lockfunc*/busdma_lock_mutex,
1.19 kiyohara 2156: /*lockarg*/&sbp->mtx,
1.1 kiyohara 2157: &sbp->dmat);
2158: if (error != 0) {
2159: printf("sbp_attach: Could not allocate DMA tag "
2160: "- error %d\n", error);
2161: FW_ATTACH_RETURN(ENOMEM);
2162: }
2163:
2164: #if defined(__FreeBSD__)
2165: devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
2166: if (devq == NULL)
2167: return (ENXIO);
2168: #endif
2169:
2170: sbp->target.fwdev = NULL;
2171: sbp->target.luns = NULL;
2172:
2173: if (sbp_alloc_target(sbp, fwa->fwdev) == NULL)
2174: FW_ATTACH_RETURN(ENXIO);
2175:
2176: SBP_SCSIBUS_ATTACH;
2177:
2178: /* We reserve 16 bit space (4 bytes X 64 unit X 256 luns) */
1.19 kiyohara 2179: dv_unit = fw_get_unit(sbp->fd.dev);
1.1 kiyohara 2180: sbp->fwb.start = SBP_DEV2ADDR(dv_unit, 0);
2181: sbp->fwb.end = SBP_DEV2ADDR(dv_unit, -1);
2182: /* pre-allocate xfer */
2183: STAILQ_INIT(&sbp->fwb.xferlist);
2184: fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
2185: /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
1.19 kiyohara 2186: fc, (void *)sbp, sbp_recv);
2187: fw_bindadd(fc, &sbp->fwb);
1.1 kiyohara 2188:
2189: sbp->fd.post_busreset = sbp_post_busreset;
2190: sbp->fd.post_explore = sbp_post_explore;
2191:
1.19 kiyohara 2192: if (fc->status != FWBUSNOTREADY) {
1.1 kiyohara 2193: s = splfw();
2194: sbp_post_busreset((void *)sbp);
2195: sbp_post_explore((void *)sbp);
2196: splx(s);
2197: }
2198:
2199: FW_ATTACH_RETURN(0);
2200: #if defined(__FreeBSD__)
2201: fail:
1.19 kiyohara 2202: SBP_UNLOCK(sbp);
1.1 kiyohara 2203: cam_sim_free(sbp->sim, /*free_devq*/TRUE);
2204: return (ENXIO);
2205: #endif
2206: }
2207:
2208: static int
2209: sbp_logout_all(struct sbp_softc *sbp)
2210: {
2211: struct sbp_target *target;
2212: struct sbp_dev *sdev;
2213: int i;
2214:
2215: SBP_DEBUG(0)
2216: printf("sbp_logout_all\n");
2217: END_DEBUG
2218: target = &sbp->target;
2219: if (target->luns != NULL)
2220: for (i = 0; i < target->num_lun; i++) {
2221: sdev = target->luns[i];
2222: if (sdev == NULL)
2223: continue;
1.19 kiyohara 2224: fw_callout_stop(&sdev->login_callout);
1.1 kiyohara 2225: if (sdev->status >= SBP_DEV_TOATTACH &&
2226: sdev->status <= SBP_DEV_ATTACHED)
2227: sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
2228: }
2229:
2230: return 0;
2231: }
2232:
2233: #if defined(__FreeBSD__)
2234: static int
2235: sbp_shutdown(device_t dev)
2236: {
2237: struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2238:
2239: sbp_logout_all(sbp);
2240: return (0);
2241: }
2242: #endif
2243:
2244: static void
2245: sbp_free_sdev(struct sbp_dev *sdev)
2246: {
2247: int i;
2248:
2249: if (sdev == NULL)
2250: return;
2251: for (i = 0; i < SBP_QUEUE_LEN; i++)
2252: fw_bus_dmamap_destroy(sdev->target->sbp->dmat,
2253: sdev->ocb[i].dmamap);
2254: fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
2255: free(sdev, M_SBP);
2256: }
2257:
2258: static void
2259: sbp_free_target(struct sbp_target *target)
2260: {
2261: struct sbp_softc *sbp;
2262: struct fw_xfer *xfer, *next;
2263: int i;
2264:
2265: if (target->luns == NULL)
2266: return;
1.19 kiyohara 2267: fw_callout_stop(&target->mgm_ocb_timeout);
1.1 kiyohara 2268: sbp = target->sbp;
2269: for (i = 0; i < target->num_lun; i++)
2270: sbp_free_sdev(target->luns[i]);
2271:
2272: for (xfer = STAILQ_FIRST(&target->xferlist);
2273: xfer != NULL; xfer = next) {
2274: next = STAILQ_NEXT(xfer, link);
2275: fw_xfer_free_buf(xfer);
2276: }
2277: STAILQ_INIT(&target->xferlist);
2278: free(target->luns, M_SBP);
1.21.4.1 yamt 2279: target->num_lun = 0;
1.1 kiyohara 2280: target->luns = NULL;
2281: target->fwdev = NULL;
2282: }
2283:
2284: FW_DETACH(sbp)
2285: {
2286: FW_DETACH_START(sbp, sbp);
2287: struct firewire_comm *fc = sbp->fd.fc;
2288: int i;
2289:
2290: SBP_DEBUG(0)
2291: printf("sbp_detach\n");
2292: END_DEBUG
2293:
2294: SBP_DETACH_TARGET(&sbp->target);
2295: #if defined(__FreeBSD__)
1.19 kiyohara 2296: SBP_LOCK(sbp);
1.1 kiyohara 2297: xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2298: xpt_free_path(sbp->path);
2299: xpt_bus_deregister(cam_sim_path(sbp->sim));
2300: cam_sim_free(sbp->sim, /*free_devq*/ TRUE),
1.19 kiyohara 2301: SBP_UNLOCK(sbp);
1.1 kiyohara 2302: #endif
2303:
2304: sbp_logout_all(sbp);
2305:
2306: /* XXX wait for logout completion */
2307: tsleep(&i, FWPRI, "sbpdtc", hz/2);
2308:
2309: sbp_free_target(&sbp->target);
2310:
2311: fw_bindremove(fc, &sbp->fwb);
2312: fw_xferlist_remove(&sbp->fwb.xferlist);
2313:
2314: fw_bus_dma_tag_destroy(sbp->dmat);
1.19 kiyohara 2315: fw_mtx_destroy(&sbp->mtx);
1.1 kiyohara 2316:
2317: return (0);
2318: }
2319:
2320: #if defined(__FreeBSD__)
2321: static void
2322: sbp_cam_detach_sdev(struct sbp_dev *sdev)
2323: {
2324: if (sdev == NULL)
2325: return;
2326: if (sdev->status == SBP_DEV_DEAD)
2327: return;
2328: if (sdev->status == SBP_DEV_RESET)
2329: return;
1.19 kiyohara 2330: sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
1.1 kiyohara 2331: if (sdev->path) {
1.19 kiyohara 2332: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 2333: xpt_release_devq(sdev->path,
2334: sdev->freeze, TRUE);
2335: sdev->freeze = 0;
2336: xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2337: xpt_free_path(sdev->path);
2338: sdev->path = NULL;
1.19 kiyohara 2339: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 2340: }
2341: }
2342:
2343: static void
2344: sbp_cam_detach_target(struct sbp_target *target)
2345: {
2346: int i;
2347:
2348: if (target->luns != NULL) {
2349: SBP_DEBUG(0)
2350: printf("sbp_detach_target %d\n", target->target_id);
2351: END_DEBUG
1.19 kiyohara 2352: fw_callout_stop(&target->scan_callout);
1.1 kiyohara 2353: for (i = 0; i < target->num_lun; i++)
2354: sbp_cam_detach_sdev(target->luns[i]);
2355: }
2356: }
2357: #elif defined(__NetBSD__)
2358: static void
2359: sbp_scsipi_detach_sdev(struct sbp_dev *sdev)
2360: {
1.7 rpaulo 2361: struct sbp_target *target;
2362: struct sbp_softc *sbp;
2363:
1.1 kiyohara 2364: if (sdev == NULL)
2365: return;
1.7 rpaulo 2366:
2367: target = sdev->target;
2368: if (target == NULL)
2369: return;
2370:
2371: sbp = target->sbp;
2372:
1.1 kiyohara 2373: if (sdev->status == SBP_DEV_DEAD)
2374: return;
2375: if (sdev->status == SBP_DEV_RESET)
2376: return;
2377: if (sdev->periph) {
2378: scsipi_periph_thaw(sdev->periph, sdev->freeze);
2379: scsipi_channel_thaw(&sbp->sc_channel, 0); /* XXXX */
2380: sdev->freeze = 0;
2381: if (scsipi_target_detach(&sbp->sc_channel,
2382: target->target_id, sdev->lun_id, DETACH_FORCE) != 0) {
2383: sbp_show_sdev_info(sdev, 2);
2384: printf("detach failed\n");
2385: }
2386: sdev->periph = NULL;
2387: }
2388: sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE);
2389: }
2390:
2391: static void
2392: sbp_scsipi_detach_target(struct sbp_target *target)
2393: {
2394: struct sbp_softc *sbp = target->sbp;
2395: int i;
2396:
2397: if (target->luns != NULL) {
2398: SBP_DEBUG(0)
2399: printf("sbp_detach_target %d\n", target->target_id);
2400: END_DEBUG
1.19 kiyohara 2401: fw_callout_stop(&target->scan_callout);
1.1 kiyohara 2402: for (i = 0; i < target->num_lun; i++)
2403: sbp_scsipi_detach_sdev(target->luns[i]);
2404: if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0)
1.19 kiyohara 2405: fw_printf(sbp->fd.dev, "%d detach failed\n",
1.1 kiyohara 2406: target->target_id);
2407: sbp->sc_bus = NULL;
2408: }
2409: }
2410: #endif
2411:
2412: static void
2413: sbp_target_reset(struct sbp_dev *sdev, int method)
2414: {
2415: int i;
2416: struct sbp_target *target = sdev->target;
2417: struct sbp_dev *tsdev;
2418:
2419: for (i = 0; i < target->num_lun; i++) {
2420: tsdev = target->luns[i];
2421: if (tsdev == NULL)
2422: continue;
2423: if (tsdev->status == SBP_DEV_DEAD)
2424: continue;
2425: if (tsdev->status == SBP_DEV_RESET)
2426: continue;
1.19 kiyohara 2427: SBP_LOCK(target->sbp);
1.1 kiyohara 2428: SBP_DEVICE_FREEZE(tsdev, 1);
2429: tsdev->freeze ++;
1.19 kiyohara 2430: SBP_UNLOCK(target->sbp);
1.1 kiyohara 2431: sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT);
2432: if (method == 2)
2433: tsdev->status = SBP_DEV_LOGIN;
2434: }
2435: switch(method) {
2436: case 1:
2437: printf("target reset\n");
2438: sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2439: break;
2440: case 2:
2441: printf("reset start\n");
2442: sbp_reset_start(sdev);
2443: break;
2444: }
2445:
2446: }
2447:
2448: static void
2449: sbp_mgm_timeout(void *arg)
2450: {
2451: struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2452: struct sbp_dev *sdev = ocb->sdev;
2453: struct sbp_target *target = sdev->target;
2454:
2455: sbp_show_sdev_info(sdev, 2);
2456: printf("request timeout(mgm orb:0x%08x) ... ",
2457: (uint32_t)ocb->bus_addr);
2458: target->mgm_ocb_cur = NULL;
2459: sbp_free_ocb(sdev, ocb);
2460: #if 0
2461: /* XXX */
2462: printf("run next request\n");
2463: sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2464: #endif
2465: #if 1
2466: printf("reset start\n");
2467: sbp_reset_start(sdev);
2468: #endif
2469: }
2470:
2471: static void
2472: sbp_timeout(void *arg)
2473: {
2474: struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2475: struct sbp_dev *sdev = ocb->sdev;
2476:
2477: sbp_show_sdev_info(sdev, 2);
2478: printf("request timeout(cmd orb:0x%08x) ... ",
2479: (uint32_t)ocb->bus_addr);
2480:
2481: sdev->timeout ++;
2482: switch(sdev->timeout) {
2483: case 1:
2484: printf("agent reset\n");
1.19 kiyohara 2485: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 2486: SBP_DEVICE_FREEZE(sdev, 1);
2487: sdev->freeze ++;
1.19 kiyohara 2488: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 2489: sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT);
2490: sbp_agent_reset(sdev);
2491: break;
2492: case 2:
2493: case 3:
2494: sbp_target_reset(sdev, sdev->timeout - 1);
2495: break;
2496: #if 0
2497: default:
2498: /* XXX give up */
2499: SBP_DETACH_TARGET(target);
2500: if (target->luns != NULL)
2501: free(target->luns, M_SBP);
1.21.4.1 yamt 2502: target->num_lun = 0;
1.1 kiyohara 2503: target->luns = NULL;
2504: target->fwdev = NULL;
2505: #endif
2506: }
2507: }
2508:
2509: static void
2510: sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer)
2511: {
2512:
2513: struct sbp_target *target = NULL;
2514: struct sbp_dev *sdev = NULL;
2515:
2516: /* target:lun -> sdev mapping */
2517: if (sbp != NULL) {
2518: target = &sbp->target;
2519: if (target->fwdev != NULL
2520: && NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer))
2521: && SCSI_XFER_LUN(sxfer) < target->num_lun) {
2522: sdev = target->luns[SCSI_XFER_LUN(sxfer)];
2523: if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2524: sdev->status != SBP_DEV_PROBE)
2525: sdev = NULL;
2526: }
2527: }
2528:
2529: SBP_DEBUG(1)
2530: if (sdev == NULL)
2531: printf("invalid target %d lun %d\n",
2532: SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer));
2533: END_DEBUG
2534:
2535: switch (SCSI_XFER_FUNCCODE(sxfer)) {
2536: case XPT_SCSI_IO:
2537: #if defined(__FreeBSD__)
2538: case XPT_RESET_DEV:
2539: case XPT_GET_TRAN_SETTINGS:
2540: case XPT_SET_TRAN_SETTINGS:
2541: case XPT_CALC_GEOMETRY:
2542: #endif
2543: if (sdev == NULL) {
2544: SBP_DEBUG(1)
2545: printf("%s:%d:%d:func_code 0x%04x: "
2546: "Invalid target (target needed)\n",
1.19 kiyohara 2547: sbp ? fw_get_nameunit(sbp->fd.dev) : "???",
1.1 kiyohara 2548: SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
2549: SCSI_XFER_FUNCCODE(sxfer));
2550: END_DEBUG
2551:
2552: SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
2553: SCSI_TRANSFER_DONE(sxfer);
2554: return;
2555: }
2556: break;
2557: #if defined(__FreeBSD__)
2558: case XPT_PATH_INQ:
2559: case XPT_NOOP:
2560: /* The opcodes sometimes aimed at a target (sc is valid),
2561: * sometimes aimed at the SIM (sc is invalid and target is
2562: * CAM_TARGET_WILDCARD)
2563: */
2564: if (sbp == NULL &&
2565: sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2566: SBP_DEBUG(0)
2567: printf("%s:%d:%d func_code 0x%04x: "
2568: "Invalid target (no wildcard)\n",
1.19 kiyohara 2569: fw_get_nameunit(sbp->fd.dev),
1.1 kiyohara 2570: sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
2571: sxfer->ccb_h.func_code);
2572: END_DEBUG
2573: SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
2574: SCSI_TRANSFER_DONE(sxfer);
2575: return;
2576: }
2577: break;
2578: #endif
2579: default:
2580: /* XXX Hm, we should check the input parameters */
2581: break;
2582: }
2583:
2584: switch (SCSI_XFER_FUNCCODE(sxfer)) {
2585: case XPT_SCSI_IO:
2586: {
2587: struct sbp_ocb *ocb;
2588: int speed;
2589: void *cdb;
1.19 kiyohara 2590: fw_mtx_assert(sim->mtx, MA_OWNED);
1.1 kiyohara 2591:
2592: SBP_DEBUG(2)
2593: printf("%s:%d:%d XPT_SCSI_IO: "
2594: "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2595: ", flags: 0x%02x, "
2596: "%db cmd/%db data/%db sense\n",
1.19 kiyohara 2597: fw_get_nameunit(sbp->fd.dev),
1.1 kiyohara 2598: SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
2599: SCSI_XFER_10BCMD_DUMP(sxfer),
2600: SCSI_XFER_DIR(sxfer),
2601: SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer),
2602: SCSI_XFER_SENSELEN(sxfer));
2603: END_DEBUG
2604: if(sdev == NULL){
2605: SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
2606: SCSI_TRANSFER_DONE(sxfer);
2607: return;
2608: }
2609: #if 0
2610: /* if we are in probe stage, pass only probe commands */
2611: if (sdev->status == SBP_DEV_PROBE) {
2612: char *name;
2613: name = xpt_path_periph(sxfer->ccb_h.path)->periph_name;
2614: printf("probe stage, periph name: %s\n", name);
2615: if (strcmp(name, "probe") != 0) {
2616: SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
2617: SCSI_TRANSFER_DONE(sxfer);
2618: return;
2619: }
2620: }
2621: #endif
2622: if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2623: SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
2624: if (sdev->freeze == 0) {
1.19 kiyohara 2625: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 2626: SBP_DEVICE_FREEZE(sdev, 1);
2627: sdev->freeze ++;
1.19 kiyohara 2628: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 2629: }
2630: SCSI_TRANSFER_DONE(sxfer);
2631: return;
2632: }
2633:
2634: ocb->flags = OCB_ACT_CMD;
2635: ocb->sdev = sdev;
2636: ocb->sxfer = sxfer;
2637: #if defined(__FreeBSD__)
2638: sxfer->ccb_h.ccb_sdev_ptr = sdev;
2639: #endif
2640: ocb->orb[0] = htonl(1 << 31);
2641: ocb->orb[1] = 0;
2642: ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2643: ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2644: speed = min(target->fwdev->speed, max_speed);
2645: ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2646: | ORB_CMD_MAXP(speed + 7));
2647: if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){
2648: ocb->orb[4] |= htonl(ORB_CMD_IN);
2649: }
2650:
2651: if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID)
2652: printf("sbp: CAM_SCATTER_VALID\n");
2653: if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS)
2654: printf("sbp: CAM_DATA_PHYS\n");
2655:
2656: cdb = SCSI_XFER_CMD(sxfer);
1.21.4.1 yamt 2657: memcpy((void *)&ocb->orb[5], cdb, SCSI_XFER_CMDLEN(sxfer));
1.1 kiyohara 2658: /*
2659: printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2660: printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2661: */
2662: if (SCSI_XFER_DATALEN(sxfer) > 0) {
2663: int s, error;
2664:
2665: s = splsoftvm();
2666: error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat,
2667: /*dma map*/ocb->dmamap,
2668: SCSI_XFER_DATA(sxfer),
2669: SCSI_XFER_DATALEN(sxfer),
2670: sbp_execute_ocb,
2671: ocb,
2672: /*flags*/0);
2673: splx(s);
2674: if (error)
2675: printf("sbp: bus_dmamap_load error %d\n", error);
2676: } else
2677: sbp_execute_ocb(ocb, NULL, 0, 0);
2678: break;
2679: }
2680: #if defined(__FreeBSD__)
2681: case XPT_CALC_GEOMETRY:
2682: {
2683: struct ccb_calc_geometry *ccg;
2684: #if defined(__DragonFly__) || __FreeBSD_version < 501100
2685: uint32_t size_mb;
2686: uint32_t secs_per_cylinder;
2687: int extended = 1;
2688: #endif
2689:
2690: ccg = &sxfer->ccg;
2691: if (ccg->block_size == 0) {
2692: printf("sbp_action1: block_size is 0.\n");
2693: SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
2694: SCSI_TRANSFER_DONE(sxfer);
2695: break;
2696: }
2697: SBP_DEBUG(1)
2698: printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
2699: #if defined(__DragonFly__) || __FreeBSD_version < 500000
2700: "Volume size = %d\n",
2701: #else
2702: "Volume size = %jd\n",
2703: #endif
1.19 kiyohara 2704: fw_get_nameunit(sbp->fd.dev),
1.1 kiyohara 2705: cam_sim_path(sbp->sim),
2706: sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
2707: #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2708: (uintmax_t)
2709: #endif
2710: ccg->volume_size);
2711: END_DEBUG
2712:
2713: #if defined(__DragonFly__) || __FreeBSD_version < 501100
2714: size_mb = ccg->volume_size
2715: / ((1024L * 1024L) / ccg->block_size);
2716:
2717: if (size_mb > 1024 && extended) {
2718: ccg->heads = 255;
2719: ccg->secs_per_track = 63;
2720: } else {
2721: ccg->heads = 64;
2722: ccg->secs_per_track = 32;
2723: }
2724: secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2725: ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2726: SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP;
2727: #else
2728: cam_calc_geometry(ccg, /*extended*/1);
2729: #endif
2730: SCSI_TRANSFER_DONE(sxfer);
2731: break;
2732: }
2733: case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2734: {
2735:
2736: SBP_DEBUG(1)
2737: printf("%s:%d:XPT_RESET_BUS: \n",
1.19 kiyohara 2738: fw_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
1.1 kiyohara 2739: END_DEBUG
2740:
2741: SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
2742: SCSI_TRANSFER_DONE(sxfer);
2743: break;
2744: }
2745: case XPT_PATH_INQ: /* Path routing inquiry */
2746: {
2747: struct ccb_pathinq *cpi = &sxfer->cpi;
2748: struct cam_sim *sim = sbp->sim;
2749:
2750: SBP_DEBUG(1)
2751: printf("%s:%d:%d XPT_PATH_INQ:.\n",
1.19 kiyohara 2752: fw_get_nameunit(sbp->fd.dev),
1.1 kiyohara 2753: sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
2754: END_DEBUG
2755: cpi->version_num = 1; /* XXX??? */
2756: cpi->hba_inquiry = PI_TAG_ABLE;
2757: cpi->target_sprt = 0;
2758: cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2759: cpi->hba_eng_cnt = 0;
2760: cpi->max_target = SBP_NUM_TARGETS - 1;
2761: cpi->max_lun = SBP_NUM_LUNS - 1;
2762: cpi->initiator_id = SBP_INITIATOR;
2763: cpi->bus_id = sim->bus_id;
2764: cpi->base_transfer_speed = 400 * 1000 / 8;
2765: strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2766: strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2767: strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2768: cpi->unit_number = sim->unit_number;
1.16 kiyohara 2769: cpi->transport = XPORT_SPI; /* XX should havea FireWire */
2770: cpi->transport_version = 2;
2771: cpi->protocol = PROTO_SCSI;
2772: cpi->protocol_version = SCSI_REV_2;
1.1 kiyohara 2773:
2774: SCSI_XFER_ERROR(cpi) = XS_REQ_CMP;
2775: SCSI_TRANSFER_DONE(sxfer);
2776: break;
2777: }
2778: case XPT_GET_TRAN_SETTINGS:
2779: {
2780: struct ccb_trans_settings *cts = &sxfer->cts;
1.16 kiyohara 2781: struct ccb_trans_settings_scsi *scsi =
2782: &cts->proto_specific.scsi;
2783: struct ccb_trans_settings_spi *spi =
2784: &cts->xport_specific.spi;
2785:
2786: cts->protocol = PROTO_SCSI;
2787: cts->protocol_version = SCSI_REV_2;
2788: cts->transport = XPORT_SPI; /* should have a FireWire */
2789: cts->transport_version = 2;
2790: spi->valid = CTS_SPI_VALID_DISC;
2791: spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2792: scsi->valid = CTS_SCSI_VALID_TQ;
2793: scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1.1 kiyohara 2794: SBP_DEBUG(1)
2795: printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
1.19 kiyohara 2796: fw_get_nameunit(sbp->fd.dev),
1.1 kiyohara 2797: sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
2798: END_DEBUG
2799: SCSI_XFER_ERROR(cts) = XS_REQ_CMP;
2800: SCSI_TRANSFER_DONE(sxfer);
2801: break;
2802: }
2803: case XPT_ABORT:
2804: SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT;
2805: SCSI_TRANSFER_DONE(sxfer);
2806: break;
2807: case XPT_SET_TRAN_SETTINGS:
2808: /* XXX */
2809: default:
2810: SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
2811: SCSI_TRANSFER_DONE(sxfer);
2812: break;
2813: #endif
2814: }
2815: return;
2816: }
2817:
2818: #if defined(__FreeBSD__)
2819: static void
2820: sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer)
2821: {
2822: int s;
2823:
2824: s = splfw();
2825: sbp_action1(sim->softc, sxfer);
2826: splx(s);
2827: }
2828: #endif
2829:
2830: static void
2831: sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2832: {
2833: int i;
2834: struct sbp_ocb *ocb;
2835: struct sbp_ocb *prev;
2836: bus_dma_segment_t *s;
2837:
2838: if (error)
2839: printf("sbp_execute_ocb: error=%d\n", error);
2840:
2841: ocb = (struct sbp_ocb *)arg;
2842:
2843: SBP_DEBUG(2)
2844: printf("sbp_execute_ocb: seg %d", seg);
2845: for (i = 0; i < seg; i++)
2846: #if defined(__DragonFly__) || \
2847: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
2848: printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
2849: #else
2850: printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2851: (uintmax_t)segments[i].ds_len);
2852: #endif
2853: printf("\n");
2854: END_DEBUG
2855:
2856: if (seg == 1) {
2857: /* direct pointer */
2858: s = &segments[0];
2859: if (s->ds_len > SBP_SEG_MAX)
2860: panic("ds_len > SBP_SEG_MAX, fix busdma code");
2861: ocb->orb[3] = htonl(s->ds_addr);
2862: ocb->orb[4] |= htonl(s->ds_len);
2863: } else if(seg > 1) {
2864: /* page table */
2865: for (i = 0; i < seg; i++) {
2866: s = &segments[i];
2867: SBP_DEBUG(0)
2868: /* XXX LSI Logic "< 16 byte" bug might be hit */
2869: if (s->ds_len < 16)
2870: printf("sbp_execute_ocb: warning, "
2871: #if defined(__DragonFly__) || \
2872: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
2873: "segment length(%d) is less than 16."
2874: #else
2875: "segment length(%jd) is less than 16."
2876: #endif
2877: "(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg);
2878: END_DEBUG
2879: if (s->ds_len > SBP_SEG_MAX)
2880: panic("ds_len > SBP_SEG_MAX, fix busdma code");
2881: ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2882: ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2883: }
2884: ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2885: }
2886:
2887: if (seg > 0)
2888: fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2889: (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2890: BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2891: prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2892: fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2893: if (use_doorbell) {
2894: if (prev == NULL) {
2895: if (ocb->sdev->last_ocb != NULL)
2896: sbp_doorbell(ocb->sdev);
2897: else
2898: sbp_orb_pointer(ocb->sdev, ocb);
2899: }
2900: } else {
2901: if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2902: ocb->sdev->flags &= ~ORB_LINK_DEAD;
2903: sbp_orb_pointer(ocb->sdev, ocb);
2904: }
2905: }
2906: }
2907:
2908: #if defined(__FreeBSD__)
2909: static void
2910: sbp_poll(struct cam_sim *sim)
2911: {
2912: struct sbp_softc *sbp;
2913: struct firewire_comm *fc;
2914:
2915: sbp = (struct sbp_softc *)sim->softc;
2916: fc = sbp->fd.fc;
2917:
2918: fc->poll(fc, 0, -1);
2919:
2920: return;
2921: }
2922:
2923: #endif
2924: static struct sbp_ocb *
2925: sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2926: {
2927: struct sbp_ocb *ocb;
2928: struct sbp_ocb *next;
2929: int s = splfw(), order = 0;
2930: int flags;
2931:
2932: SBP_DEBUG(1)
2933: sbp_show_sdev_info(sdev, 2);
2934: #if defined(__DragonFly__) || \
2935: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
2936: printf("%s: 0x%08lx src %d\n",
2937: #else
2938: printf("%s: 0x%08x src %d\n",
2939: #endif
2940: __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2941: END_DEBUG
1.19 kiyohara 2942: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 2943: for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2944: next = STAILQ_NEXT(ocb, ocb);
2945: flags = ocb->flags;
2946: if (OCB_MATCH(ocb, sbp_status)) {
2947: /* found */
2948: STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2949: if (ocb->sxfer != NULL)
2950: #if defined(__DragonFly__) || defined(__NetBSD__)
1.19 kiyohara 2951: fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
1.1 kiyohara 2952: #else
1.15 christos 2953: untimeout(sbp_timeout, (void *)ocb,
1.1 kiyohara 2954: SCSI_XFER_CALLOUT(ocb->sxfer));
2955: #endif
2956: if (ntohl(ocb->orb[4]) & 0xffff) {
2957: fw_bus_dmamap_sync(sdev->target->sbp->dmat,
2958: ocb->dmamap,
2959: (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2960: BUS_DMASYNC_POSTREAD :
2961: BUS_DMASYNC_POSTWRITE);
2962: fw_bus_dmamap_unload(sdev->target->sbp->dmat,
2963: ocb->dmamap);
2964: }
2965: if (!use_doorbell) {
2966: if (sbp_status->src == SRC_NO_NEXT) {
2967: if (next != NULL)
2968: sbp_orb_pointer(sdev, next);
2969: else if (order > 0) {
2970: /*
2971: * Unordered execution
2972: * We need to send pointer for
2973: * next ORB
2974: */
2975: sdev->flags |= ORB_LINK_DEAD;
2976: }
2977: }
2978: } else {
2979: /*
2980: * XXX this is not correct for unordered
2981: * execution.
2982: */
2983: if (sdev->last_ocb != NULL)
2984: sbp_free_ocb(sdev, sdev->last_ocb);
2985: sdev->last_ocb = ocb;
2986: if (next != NULL &&
2987: sbp_status->src == SRC_NO_NEXT)
2988: sbp_doorbell(sdev);
2989: }
2990: break;
2991: } else
2992: order ++;
2993: }
1.19 kiyohara 2994: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 2995: splx(s);
2996: SBP_DEBUG(0)
2997: if (ocb && order > 0) {
2998: sbp_show_sdev_info(sdev, 2);
2999: printf("unordered execution order:%d\n", order);
3000: }
3001: END_DEBUG
3002: return (ocb);
3003: }
3004:
3005: static struct sbp_ocb *
3006: sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
3007: {
3008: int s = splfw();
3009: struct sbp_ocb *prev, *prev2;
3010:
3011: SBP_DEBUG(1)
3012: sbp_show_sdev_info(sdev, 2);
3013: #if defined(__DragonFly__) || \
3014: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
3015: printf("%s: 0x%08x\n", __func__, ocb->bus_addr);
3016: #else
3017: printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
3018: #endif
3019: END_DEBUG
3020: prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
3021: STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
3022:
3023: if (ocb->sxfer != NULL)
3024: #if defined(__DragonFly__) || defined(__NetBSD__)
1.19 kiyohara 3025: fw_callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer),
1.1 kiyohara 3026: mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb);
3027: #else
3028: SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout,
1.15 christos 3029: (void *)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)));
1.1 kiyohara 3030: #endif
3031:
3032: if (use_doorbell && prev == NULL)
3033: prev2 = sdev->last_ocb;
3034:
3035: if (prev2 != NULL) {
3036: SBP_DEBUG(2)
3037: #if defined(__DragonFly__) || \
3038: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
3039: printf("linking chain 0x%x -> 0x%x\n",
3040: prev2->bus_addr, ocb->bus_addr);
3041: #else
3042: printf("linking chain 0x%jx -> 0x%jx\n",
3043: (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
3044: #endif
3045: END_DEBUG
3046: prev2->orb[1] = htonl(ocb->bus_addr);
3047: prev2->orb[0] = 0;
3048: }
3049: splx(s);
3050:
3051: return prev;
3052: }
3053:
3054: static struct sbp_ocb *
3055: sbp_get_ocb(struct sbp_dev *sdev)
3056: {
3057: struct sbp_ocb *ocb;
3058: int s = splfw();
1.19 kiyohara 3059:
3060: fw_mtx_assert(&sdev->target->sbp->mtx, MA_OWNED);
1.1 kiyohara 3061: ocb = STAILQ_FIRST(&sdev->free_ocbs);
3062: if (ocb == NULL) {
3063: sdev->flags |= ORB_SHORTAGE;
3064: printf("ocb shortage!!!\n");
3065: splx(s);
3066: return NULL;
3067: }
3068: STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
3069: splx(s);
3070: ocb->sxfer = NULL;
3071: return (ocb);
3072: }
3073:
3074: static void
3075: sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
3076: {
3077: ocb->flags = 0;
3078: ocb->sxfer = NULL;
1.19 kiyohara 3079:
3080: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 3081: STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
3082: if ((sdev->flags & ORB_SHORTAGE) != 0) {
3083: int count;
3084:
3085: sdev->flags &= ~ORB_SHORTAGE;
3086: count = sdev->freeze;
3087: sdev->freeze = 0;
3088: SBP_DEVICE_THAW(sdev, count);
3089: }
1.19 kiyohara 3090: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 3091: }
3092:
3093: static void
3094: sbp_abort_ocb(struct sbp_ocb *ocb, int status)
3095: {
3096: struct sbp_dev *sdev;
3097:
3098: sdev = ocb->sdev;
3099: SBP_DEBUG(0)
3100: sbp_show_sdev_info(sdev, 2);
3101: #if defined(__DragonFly__) || \
3102: (defined(__FreeBSD__) && __FreeBSD_version < 500000)
3103: printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
3104: #else
3105: printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
3106: #endif
3107: END_DEBUG
3108: SBP_DEBUG(1)
3109: if (ocb->sxfer != NULL)
3110: sbp_print_scsi_cmd(ocb);
3111: END_DEBUG
3112: if (ntohl(ocb->orb[4]) & 0xffff) {
3113: fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
3114: (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
3115: BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
3116: fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
3117: }
3118: if (ocb->sxfer != NULL) {
3119: #if defined(__DragonFly__ ) || defined(__NetBSD__)
1.19 kiyohara 3120: fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
1.1 kiyohara 3121: #else
1.15 christos 3122: untimeout(sbp_timeout, (void *)ocb,
1.1 kiyohara 3123: SCSI_XFER_CALLOUT(ocb->sxfer));
3124: #endif
3125: SCSI_XFER_ERROR(ocb->sxfer) = status;
1.19 kiyohara 3126: SBP_LOCK(sdev->target->sbp);
1.1 kiyohara 3127: SCSI_TRANSFER_DONE(ocb->sxfer);
1.19 kiyohara 3128: SBP_UNLOCK(sdev->target->sbp);
1.1 kiyohara 3129: }
3130: sbp_free_ocb(sdev, ocb);
3131: }
3132:
3133: static void
3134: sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
3135: {
3136: int s;
3137: struct sbp_ocb *ocb, *next;
3138: STAILQ_HEAD(, sbp_ocb) temp;
3139:
3140: s = splfw();
3141:
1.21.4.1 yamt 3142: memcpy(&temp, &sdev->ocbs, sizeof(temp));
1.1 kiyohara 3143: STAILQ_INIT(&sdev->ocbs);
3144: for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
3145: next = STAILQ_NEXT(ocb, ocb);
3146: sbp_abort_ocb(ocb, status);
3147: }
3148: if (sdev->last_ocb != NULL) {
3149: sbp_free_ocb(sdev, sdev->last_ocb);
3150: sdev->last_ocb = NULL;
3151: }
3152:
3153: splx(s);
3154: }
3155:
3156: #if defined(__FreeBSD__)
3157: static devclass_t sbp_devclass;
3158:
3159: static device_method_t sbp_methods[] = {
3160: /* device interface */
3161: DEVMETHOD(device_probe, sbp_probe),
3162: DEVMETHOD(device_attach, sbp_attach),
3163: DEVMETHOD(device_detach, sbp_detach),
3164: DEVMETHOD(device_shutdown, sbp_shutdown),
3165:
3166: { 0, 0 }
3167: };
3168:
3169: static driver_t sbp_driver = {
3170: "sbp",
3171: sbp_methods,
3172: sizeof(struct sbp_softc),
3173: };
3174: #ifdef __DragonFly__
3175: DECLARE_DUMMY_MODULE(sbp);
3176: #endif
3177: DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
3178: MODULE_VERSION(sbp, 1);
3179: MODULE_DEPEND(sbp, firewire, 1, 1, 1);
3180: MODULE_DEPEND(sbp, cam, 1, 1, 1);
3181: #elif defined(__NetBSD__)
3182: static void
3183: sbp_scsipi_request(
3184: struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg)
3185: {
3186: int i, s;
3187: struct sbp_softc *sbp =
1.21 kiyohara 3188: device_private(channel->chan_adapter->adapt_dev);
1.1 kiyohara 3189: struct scsipi_xfer *xs = arg;
3190:
3191: if (debug > 1)
3192: printf("Called sbpscsi_scsipi_request\n");
3193:
3194: switch (req) {
3195: case ADAPTER_REQ_RUN_XFER:
3196: if (debug > 1) {
3197: printf("Got req_run_xfer\n");
3198: printf("xs control: 0x%08x, timeout: %d\n",
3199: xs->xs_control, xs->timeout);
3200: printf("opcode: 0x%02x\n", (int)xs->cmd->opcode);
3201: for (i = 0; i < 15; i++)
3202: printf("0x%02x ",(int)xs->cmd->bytes[i]);
3203: printf("\n");
3204: }
3205: if (xs->xs_control & XS_CTL_RESET) {
3206: if (debug > 1)
3207: printf("XS_CTL_RESET not support\n");
3208: break;
3209: }
3210: #define SBPSCSI_SBP2_MAX_CDB 12
3211: if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) {
3212: if (debug > 0)
3213: printf(
3214: "sbp doesn't support cdb's larger than %d "
3215: "bytes\n", SBPSCSI_SBP2_MAX_CDB);
3216: SCSI_XFER_ERROR(xs) = XS_REQ_INVALID;
3217: SCSI_TRANSFER_DONE(xs);
3218: return;
3219: }
3220: s = splfw();
3221: sbp_action1(sbp, xs);
3222: splx(s);
3223:
3224: break;
3225: case ADAPTER_REQ_GROW_RESOURCES:
3226: if (debug > 1)
3227: printf("Got req_grow_resources\n");
3228: break;
3229: case ADAPTER_REQ_SET_XFER_MODE:
3230: if (debug > 1)
3231: printf("Got set xfer mode\n");
3232: break;
3233: default:
3234: panic("Unknown request: %d\n", (int)req);
3235: }
3236: }
3237:
3238: static void
3239: sbp_minphys(struct buf *bp)
3240: {
3241: minphys(bp);
3242: }
3243:
1.21 kiyohara 3244: CFATTACH_DECL_NEW(sbp, sizeof(struct sbp_softc),
1.1 kiyohara 3245: sbpmatch, sbpattach, sbpdetach, NULL);
3246: #endif
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