1 /* $FreeBSD: src/sys/dev/iir/iir.c,v 1.2.2.3 2002/05/05 08:18:12 asmodai Exp $ */
2 /* $DragonFly: src/sys/dev/raid/iir/iir.c,v 1.12 2006/09/05 00:55:42 dillon Exp $ */
4 * Copyright (c) 2000-01 Intel Corporation
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver
35 * Written by: Achim Leubner <achim.leubner@intel.com>
36 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
38 * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers.
39 * Mike Smith; Some driver source code.
40 * FreeBSD.ORG; Great O/S to work on and for.
45 #ident "$Id: iir.c 1.2 2001/06/21 20:28:32 achim Exp $"
49 /* #include "opt_iir.h" */
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/types.h>
53 #include <sys/eventhandler.h>
54 #include <sys/malloc.h>
55 #include <sys/kernel.h>
57 #include <sys/thread2.h>
59 #include <machine/bus_memio.h>
60 #include <machine/bus_pio.h>
61 #include <machine/bus.h>
62 #include <machine/clock.h>
63 #include <machine/stdarg.h>
65 #include <bus/cam/cam.h>
66 #include <bus/cam/cam_ccb.h>
67 #include <bus/cam/cam_sim.h>
68 #include <bus/cam/cam_xpt_sim.h>
69 #include <bus/cam/cam_debug.h>
70 #include <bus/cam/scsi/scsi_all.h>
71 #include <bus/cam/scsi/scsi_message.h>
78 struct gdt_softc *gdt_wait_gdt;
82 int gdt_debug = GDT_DEBUG;
84 #define MAX_SERBUF 160
85 static void ser_init(void);
86 static void ser_puts(char *str);
87 static void ser_putc(int c);
88 static char strbuf[MAX_SERBUF+1];
90 #define COM_BASE 0x2f8
92 #define COM_BASE 0x3f8
94 static void ser_init()
96 unsigned port=COM_BASE;
100 /* 19200 Baud, if 9600: outb(12,port) */
106 static void ser_puts(char *str)
111 for (ptr=str;*ptr;++ptr)
112 ser_putc((int)(*ptr));
115 static void ser_putc(int c)
117 unsigned port=COM_BASE;
119 while ((inb(port+5) & 0x20)==0);
123 while ((inb(port+5) & 0x20)==0);
129 ser_printf(const char *fmt, ...)
134 __va_start(args,fmt);
135 i = vsprintf(strbuf,fmt,args);
143 /* The linked list of softc structures */
144 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs);
145 /* controller cnt. */
148 static gdt_evt_str ebuffer[GDT_MAX_EVENTS];
149 static int elastidx, eoldidx;
151 gdt_statist_t gdt_stat;
153 /* Definitions for our use of the SIM private CCB area */
154 #define ccb_sim_ptr spriv_ptr0
155 #define ccb_priority spriv_field1
157 static void iir_action(struct cam_sim *sim, union ccb *ccb);
158 static void iir_poll(struct cam_sim *sim);
159 static void iir_shutdown(void *arg, int howto);
160 static void iir_timeout(void *arg);
161 static void iir_watchdog(void *arg);
163 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads,
165 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
166 u_int8_t service, u_int16_t opcode,
167 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3);
168 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb,
171 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt);
172 static u_int32_t gdt_ccb_vtop(struct gdt_softc *gdt,
173 struct gdt_ccb *gccb);
175 static int gdt_sync_event(struct gdt_softc *gdt, int service,
176 u_int8_t index, struct gdt_ccb *gccb);
177 static int gdt_async_event(struct gdt_softc *gdt, int service);
178 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb);
179 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb);
180 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd);
181 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb);
183 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs,
184 int nseg, int error);
185 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs,
186 int nseg, int error);
189 iir_init(struct gdt_softc *gdt)
192 int i, id, drv_cyls, drv_hds, drv_secs;
193 struct gdt_ccb *gccb;
195 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n"));
197 gdt->sc_state = GDT_POLLING;
199 bzero(&gdt_stat, sizeof(gdt_statist_t));
201 SLIST_INIT(&gdt->sc_free_gccb);
202 SLIST_INIT(&gdt->sc_pending_gccb);
203 TAILQ_INIT(&gdt->sc_ccb_queue);
204 TAILQ_INIT(&gdt->sc_ucmd_queue);
205 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links);
207 /* DMA tag for mapping buffers into device visible space. */
208 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
209 /*lowaddr*/BUS_SPACE_MAXADDR,
210 /*highaddr*/BUS_SPACE_MAXADDR,
211 /*filter*/NULL, /*filterarg*/NULL,
212 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG,
213 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
214 /*flags*/BUS_DMA_ALLOCNOW,
215 &gdt->sc_buffer_dmat) != 0) {
216 printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n",
220 gdt->sc_init_level++;
222 /* DMA tag for our ccb structures */
223 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
224 /*lowaddr*/BUS_SPACE_MAXADDR,
225 /*highaddr*/BUS_SPACE_MAXADDR,
226 /*filter*/NULL, /*filterarg*/NULL,
227 GDT_MAXCMDS * sizeof(struct gdt_ccb),
229 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
230 /*flags*/0, &gdt->sc_gccb_dmat) != 0) {
231 printf("iir%d: bus_dma_tag_create(...,gdt->sc_gccb_dmat) failed\n",
235 gdt->sc_init_level++;
237 /* Allocation for our ccbs */
238 if (bus_dmamem_alloc(gdt->sc_gccb_dmat, (void **)&gdt->sc_gccbs,
239 BUS_DMA_NOWAIT, &gdt->sc_gccb_dmamap) != 0) {
240 printf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n",
244 gdt->sc_init_level++;
246 /* And permanently map them */
247 bus_dmamap_load(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap,
248 gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb),
249 gdtmapmem, &gdt->sc_gccb_busbase, /*flags*/0);
250 gdt->sc_init_level++;
252 /* Clear them out. */
253 bzero(gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb));
255 /* Initialize the ccbs */
256 for (i = GDT_MAXCMDS-1; i >= 0; i--) {
257 gdt->sc_gccbs[i].gc_cmd_index = i + 2;
258 gdt->sc_gccbs[i].gc_flags = GDT_GCF_UNUSED;
259 gdt->sc_gccbs[i].gc_map_flag = FALSE;
260 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0,
261 &gdt->sc_gccbs[i].gc_dmamap) != 0)
263 gdt->sc_gccbs[i].gc_map_flag = TRUE;
264 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, &gdt->sc_gccbs[i], sle);
266 gdt->sc_init_level++;
268 /* create the control device */
269 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum);
271 /* allocate ccb for gdt_internal_cmd() */
272 gccb = gdt_get_ccb(gdt);
274 printf("iir%d: No free command index found\n",
279 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT,
281 printf("iir%d: Screen service initialization error %d\n",
282 gdt->sc_hanum, gdt->sc_status);
283 gdt_free_ccb(gdt, gccb);
287 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
288 GDT_LINUX_OS, 0, 0)) {
289 printf("iir%d: Cache service initialization error %d\n",
290 gdt->sc_hanum, gdt->sc_status);
291 gdt_free_ccb(gdt, gccb);
294 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO,
297 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_MOUNT,
299 printf("iir%d: Cache service mount error %d\n",
300 gdt->sc_hanum, gdt->sc_status);
301 gdt_free_ccb(gdt, gccb);
305 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
306 GDT_LINUX_OS, 0, 0)) {
307 printf("iir%d: Cache service post-mount initialization error %d\n",
308 gdt->sc_hanum, gdt->sc_status);
309 gdt_free_ccb(gdt, gccb);
312 cdev_cnt = (u_int16_t)gdt->sc_info;
313 gdt->sc_fw_vers = gdt->sc_service;
315 /* Detect number of buses */
316 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST);
317 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS;
318 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0;
319 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1;
320 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ);
321 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
322 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL,
323 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) {
324 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT];
325 for (i = 0; i < gdt->sc_bus_cnt; i++) {
326 id = gccb->gc_scratch[GDT_IOC_HDR_SZ +
327 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID];
328 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff;
331 /* New method failed, use fallback. */
332 for (i = 0; i < GDT_MAXBUS; i++) {
333 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i);
334 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
335 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN,
336 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL,
339 printf("iir%d: Cannot get channel count, "
340 "error %d\n", gdt->sc_hanum, gdt->sc_status);
341 gdt_free_ccb(gdt, gccb);
347 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ?
348 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff;
352 /* add one "virtual" channel for the host drives */
353 gdt->sc_virt_bus = gdt->sc_bus_cnt;
356 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT,
358 printf("iir%d: Raw service initialization error %d\n",
359 gdt->sc_hanum, gdt->sc_status);
360 gdt_free_ccb(gdt, gccb);
364 /* Set/get features raw service (scatter/gather) */
365 gdt->sc_raw_feat = 0;
366 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT,
367 GDT_SCATTER_GATHER, 0, 0)) {
368 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT,
370 gdt->sc_raw_feat = gdt->sc_info;
371 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
372 panic("iir%d: Scatter/Gather Raw Service "
373 "required but not supported!\n", gdt->sc_hanum);
374 gdt_free_ccb(gdt, gccb);
380 /* Set/get features cache service (scatter/gather) */
381 gdt->sc_cache_feat = 0;
382 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT,
383 0, GDT_SCATTER_GATHER, 0)) {
384 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT,
386 gdt->sc_cache_feat = gdt->sc_info;
387 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
388 panic("iir%d: Scatter/Gather Cache Service "
389 "required but not supported!\n", gdt->sc_hanum);
390 gdt_free_ccb(gdt, gccb);
396 /* Scan for cache devices */
397 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) {
398 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO,
400 gdt->sc_hdr[i].hd_present = 1;
401 gdt->sc_hdr[i].hd_size = gdt->sc_info;
404 * Evaluate mapping (sectors per head, heads per cyl)
406 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32;
407 if (gdt->sc_info2 == 0)
408 gdt_eval_mapping(gdt->sc_hdr[i].hd_size,
409 &drv_cyls, &drv_hds, &drv_secs);
411 drv_hds = gdt->sc_info2 & 0xff;
412 drv_secs = (gdt->sc_info2 >> 8) & 0xff;
413 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds /
416 gdt->sc_hdr[i].hd_heads = drv_hds;
417 gdt->sc_hdr[i].hd_secs = drv_secs;
419 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs;
421 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE,
422 GDT_DEVTYPE, i, 0, 0))
423 gdt->sc_hdr[i].hd_devtype = gdt->sc_info;
427 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n",
429 gdt->sc_bus_cnt, cdev_cnt,
430 cdev_cnt == 1 ? "" : "s"));
431 gdt_free_ccb(gdt, gccb);
438 iir_free(struct gdt_softc *gdt)
442 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n"));
444 switch (gdt->sc_init_level) {
446 gdt_destroy_dev(gdt->sc_dev);
448 for (i = GDT_MAXCMDS-1; i >= 0; i--)
449 if (gdt->sc_gccbs[i].gc_map_flag)
450 bus_dmamap_destroy(gdt->sc_buffer_dmat,
451 gdt->sc_gccbs[i].gc_dmamap);
452 bus_dmamap_unload(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap);
454 bus_dmamem_free(gdt->sc_gccb_dmat, gdt->sc_gccbs, gdt->sc_gccb_dmamap);
456 bus_dma_tag_destroy(gdt->sc_gccb_dmat);
458 bus_dma_tag_destroy(gdt->sc_buffer_dmat);
460 bus_dma_tag_destroy(gdt->sc_parent_dmat);
464 TAILQ_REMOVE(&gdt_softcs, gdt, links);
468 iir_attach(struct gdt_softc *gdt)
470 struct cam_devq *devq;
473 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n"));
475 callout_init(&gdt->watchdog_timer);
477 * Create the device queue for our SIM.
479 devq = cam_simq_alloc(GDT_MAXCMDS);
483 for (i = 0; i < gdt->sc_bus_cnt; i++) {
485 * Construct our SIM entry
487 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir",
488 gdt, gdt->sc_hanum, /*untagged*/2,
489 /*tagged*/GDT_MAXCMDS, devq);
490 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) {
491 cam_sim_free(gdt->sims[i]);
495 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL,
496 cam_sim_path(gdt->sims[i]),
498 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
499 xpt_bus_deregister(cam_sim_path(gdt->sims[i]));
500 cam_sim_free(gdt->sims[i]);
504 cam_simq_release(devq);
506 EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown,
507 gdt, SHUTDOWN_PRI_DEFAULT);
508 /* iir_watchdog(gdt); */
509 gdt->sc_state = GDT_NORMAL;
513 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs)
515 *cyls = size / GDT_HEADS / GDT_SECS;
516 if (*cyls < GDT_MAXCYLS) {
520 /* Too high for 64 * 32 */
521 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS;
522 if (*cyls < GDT_MAXCYLS) {
523 *heads = GDT_MEDHEADS;
526 /* Too high for 127 * 63 */
527 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS;
528 *heads = GDT_BIGHEADS;
535 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb,
540 GDT_DPRINTF(GDT_D_INIT,
541 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout));
543 gdt->sc_state |= GDT_POLL_WAIT;
546 if (gdt == gdt_wait_gdt &&
547 gccb->gc_cmd_index == gdt_wait_index) {
553 gdt->sc_state &= ~GDT_POLL_WAIT;
555 while (gdt->sc_test_busy(gdt))
556 DELAY(1); /* XXX correct? */
562 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
563 u_int8_t service, u_int16_t opcode,
564 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
568 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n",
569 gdt, service, opcode, arg1, arg2, arg3));
571 bzero(gdt->sc_cmd, GDT_CMD_SZ);
573 for (retries = GDT_RETRIES; ; ) {
574 gccb->gc_service = service;
575 gccb->gc_flags = GDT_GCF_INTERNAL;
577 gdt->sc_set_sema0(gdt);
578 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
580 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode);
583 case GDT_CACHESERVICE:
584 if (opcode == GDT_IOCTL) {
585 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
586 GDT_IOCTL_SUBFUNC, arg1);
587 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
588 GDT_IOCTL_CHANNEL, arg2);
589 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION +
590 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3);
591 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
592 gdt_ccb_vtop(gdt, gccb) +
593 offsetof(struct gdt_ccb, gc_scratch[0]));
595 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION +
596 GDT_CACHE_DEVICENO, (u_int16_t)arg1);
597 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
598 GDT_CACHE_BLOCKNO, arg2);
602 case GDT_SCSIRAWSERVICE:
603 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
604 GDT_RAW_DIRECTION, arg1);
605 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
607 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
609 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
610 (u_int8_t)(arg3 >> 8);
613 gdt->sc_cmd_len = GDT_CMD_SZ;
616 gdt->sc_copy_cmd(gdt, gccb);
617 gdt->sc_release_event(gdt);
619 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT))
621 if (gdt->sc_status != GDT_S_BSY || --retries == 0)
625 return (gdt->sc_status == GDT_S_OK);
628 static struct gdt_ccb *
629 gdt_get_ccb(struct gdt_softc *gdt)
631 struct gdt_ccb *gccb;
633 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt));
636 gccb = SLIST_FIRST(&gdt->sc_free_gccb);
638 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle);
639 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle);
640 ++gdt_stat.cmd_index_act;
641 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max)
642 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act;
649 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb)
651 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb));
654 gccb->gc_flags = GDT_GCF_UNUSED;
655 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle);
656 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
657 --gdt_stat.cmd_index_act;
659 if (gdt->sc_state & GDT_SHUTDOWN)
664 gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb)
666 return (gdt->sc_gccb_busbase
667 + (u_int32_t)((caddr_t)gccb - (caddr_t)gdt->sc_gccbs));
671 gdt_next(struct gdt_softc *gdt)
676 int bus, target, lun;
679 struct ccb_scsiio *csio;
680 struct ccb_hdr *ccbh;
681 struct gdt_ccb *gccb = NULL;
684 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt));
687 if (gdt->sc_test_busy(gdt)) {
688 if (!(gdt->sc_state & GDT_POLLING)) {
692 while (gdt->sc_test_busy(gdt))
696 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0;
699 /* I/Os in queue? controller ready? */
700 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) &&
701 !TAILQ_FIRST(&gdt->sc_ccb_queue))
704 /* 1.: I/Os without ccb (IOCTLs) */
705 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue);
707 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links);
708 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) {
709 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
713 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */
716 /* 2.: I/Os with ccb */
717 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue);
718 /* ist dann immer != NULL, da oben getestet */
719 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
720 bus = cam_sim_bus(sim);
721 target = ccb->ccb_h.target_id;
722 lun = ccb->ccb_h.target_lun;
724 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
725 --gdt_stat.req_queue_act;
726 /* ccb->ccb_h.func_code is XPT_SCSI_IO */
727 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n",
731 cmd = csio->cdb_io.cdb_bytes[0];
732 /* Max CDB length is 12 bytes */
733 if (csio->cdb_len > 12) {
734 ccbh->status = CAM_REQ_INVALID;
735 --gdt_stat.io_count_act;
737 } else if (bus != gdt->sc_virt_bus) {
738 /* raw service command */
739 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) {
740 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
742 ++gdt_stat.req_queue_act;
743 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
744 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
747 } else if (target >= GDT_MAX_HDRIVES ||
748 !gdt->sc_hdr[target].hd_present || lun != 0) {
749 ccbh->status = CAM_SEL_TIMEOUT;
750 --gdt_stat.io_count_act;
753 /* cache service command */
754 if (cmd == READ_6 || cmd == WRITE_6 ||
755 cmd == READ_10 || cmd == WRITE_10) {
756 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) {
757 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
759 ++gdt_stat.req_queue_act;
760 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
761 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
766 gdt_internal_cache_cmd(gdt, ccb);
770 if ((gdt->sc_state & GDT_POLLING) || !next_cmd)
773 if (gdt->sc_cmd_cnt > 0)
774 gdt->sc_release_event(gdt);
778 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) {
779 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT);
783 static struct gdt_ccb *
784 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb)
786 struct gdt_ccb *gccb;
789 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb));
791 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) +
792 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
793 gdt->sc_ic_all_size) {
794 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n",
799 bzero(gdt->sc_cmd, GDT_CMD_SZ);
801 gccb = gdt_get_ccb(gdt);
803 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n",
807 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
809 gccb->gc_service = GDT_SCSIRAWSERVICE;
810 gccb->gc_flags = GDT_GCF_SCSI;
812 if (gdt->sc_cmd_cnt == 0)
813 gdt->sc_set_sema0(gdt);
815 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
817 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
819 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
820 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
821 GDT_DATA_IN : GDT_DATA_OUT);
822 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
823 ccb->csio.dxfer_len);
824 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
826 bcopy(ccb->csio.cdb_io.cdb_bytes, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
828 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
829 ccb->ccb_h.target_id;
830 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
831 ccb->ccb_h.target_lun;
832 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
834 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
835 sizeof(struct scsi_sense_data));
836 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
837 gdt_ccb_vtop(gdt, gccb) +
838 offsetof(struct gdt_ccb, gc_scratch[0]));
841 * If we have any data to send with this command,
842 * map it into bus space.
844 /* Only use S/G if there is a transfer */
845 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
846 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
847 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
850 /* vorher unlock von splcam() ??? */
853 bus_dmamap_load(gdt->sc_buffer_dmat,
859 if (error == EINPROGRESS) {
860 xpt_freeze_simq(sim, 1);
861 gccb->gc_state |= CAM_RELEASE_SIMQ;
865 struct bus_dma_segment seg;
867 /* Pointer to physical buffer */
869 (bus_addr_t)ccb->csio.data_ptr;
870 seg.ds_len = ccb->csio.dxfer_len;
871 gdtexecuteccb(gccb, &seg, 1, 0);
874 struct bus_dma_segment *segs;
876 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
877 panic("iir%d: iir_action - Physical "
878 "segment pointers unsupported", gdt->sc_hanum);
880 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
881 panic("iir%d: iir_action - Virtual "
882 "segment addresses unsupported", gdt->sc_hanum);
884 /* Just use the segments provided */
885 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
886 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
889 gdtexecuteccb(gccb, NULL, 0, 0);
896 static struct gdt_ccb *
897 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb)
899 struct gdt_ccb *gccb;
903 u_int32_t blockno, blockcnt;
905 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb));
907 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) +
908 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
909 gdt->sc_ic_all_size) {
910 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n",
915 bzero(gdt->sc_cmd, GDT_CMD_SZ);
917 gccb = gdt_get_ccb(gdt);
919 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
923 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
925 gccb->gc_service = GDT_CACHESERVICE;
926 gccb->gc_flags = GDT_GCF_SCSI;
928 if (gdt->sc_cmd_cnt == 0)
929 gdt->sc_set_sema0(gdt);
931 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
933 cmdp = ccb->csio.cdb_io.cdb_bytes;
934 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ;
935 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE)
936 opcode = GDT_WRITE_THR;
937 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode);
939 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
940 ccb->ccb_h.target_id);
941 if (ccb->csio.cdb_len == 6) {
942 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp;
943 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff);
944 blockcnt = rw->length ? rw->length : 0x100;
946 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp;
947 blockno = scsi_4btoul(rw->addr);
948 blockcnt = scsi_2btoul(rw->length);
950 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
952 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
956 * If we have any data to send with this command,
957 * map it into bus space.
959 /* Only use S/G if there is a transfer */
960 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
961 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
964 /* vorher unlock von splcam() ??? */
967 bus_dmamap_load(gdt->sc_buffer_dmat,
973 if (error == EINPROGRESS) {
974 xpt_freeze_simq(sim, 1);
975 gccb->gc_state |= CAM_RELEASE_SIMQ;
979 struct bus_dma_segment seg;
981 /* Pointer to physical buffer */
983 (bus_addr_t)ccb->csio.data_ptr;
984 seg.ds_len = ccb->csio.dxfer_len;
985 gdtexecuteccb(gccb, &seg, 1, 0);
988 struct bus_dma_segment *segs;
990 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
991 panic("iir%d: iir_action - Physical "
992 "segment pointers unsupported", gdt->sc_hanum);
994 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
995 panic("iir%d: iir_action - Virtual "
996 "segment addresses unsupported", gdt->sc_hanum);
998 /* Just use the segments provided */
999 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
1000 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
1007 static struct gdt_ccb *
1008 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd)
1010 struct gdt_ccb *gccb;
1013 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd));
1015 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1017 gccb = gdt_get_ccb(gdt);
1019 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
1023 gccb->gc_ucmd = ucmd;
1024 gccb->gc_service = ucmd->service;
1025 gccb->gc_flags = GDT_GCF_IOCTL;
1027 /* check DPMEM space, copy data buffer from user space */
1028 if (ucmd->service == GDT_CACHESERVICE) {
1029 if (ucmd->OpCode == GDT_IOCTL) {
1030 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ,
1032 cnt = ucmd->u.ioctl.param_size;
1033 if (cnt > GDT_SCRATCH_SZ) {
1034 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1035 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1036 gdt_free_ccb(gdt, gccb);
1040 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1041 GDT_SG_SZ, sizeof(u_int32_t));
1042 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1043 if (cnt > GDT_SCRATCH_SZ) {
1044 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1045 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1046 gdt_free_ccb(gdt, gccb);
1051 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1052 GDT_SG_SZ, sizeof(u_int32_t));
1053 cnt = ucmd->u.raw.sdlen;
1054 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) {
1055 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1056 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len);
1057 gdt_free_ccb(gdt, gccb);
1062 bcopy(ucmd->data, gccb->gc_scratch, cnt);
1064 if (gdt->sc_cmd_off + gdt->sc_cmd_len + GDT_DPMEM_COMMAND_OFFSET >
1065 gdt->sc_ic_all_size) {
1066 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n",
1068 gdt_free_ccb(gdt, gccb);
1072 if (gdt->sc_cmd_cnt == 0)
1073 gdt->sc_set_sema0(gdt);
1076 /* fill cmd structure */
1077 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1078 gccb->gc_cmd_index);
1079 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE,
1082 if (ucmd->service == GDT_CACHESERVICE) {
1083 if (ucmd->OpCode == GDT_IOCTL) {
1085 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE,
1086 ucmd->u.ioctl.param_size);
1087 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC,
1088 ucmd->u.ioctl.subfunc);
1089 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL,
1090 ucmd->u.ioctl.channel);
1091 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
1092 gdt_ccb_vtop(gdt, gccb) +
1093 offsetof(struct gdt_ccb, gc_scratch[0]));
1095 /* cache service command */
1096 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
1097 ucmd->u.cache.DeviceNo);
1098 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
1099 ucmd->u.cache.BlockNo);
1100 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
1101 ucmd->u.cache.BlockCnt);
1102 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1104 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1106 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1107 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) +
1108 offsetof(struct gdt_ccb, gc_scratch[0]));
1109 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1110 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE);
1113 /* raw service command */
1114 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
1115 ucmd->u.raw.direction);
1116 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1118 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
1120 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
1122 bcopy(ucmd->u.raw.cmd, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
1124 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
1126 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
1128 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
1130 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
1131 ucmd->u.raw.sense_len);
1132 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
1133 gdt_ccb_vtop(gdt, gccb) +
1134 offsetof(struct gdt_ccb, gc_scratch[ucmd->u.raw.sdlen]));
1135 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1137 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1138 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) +
1139 offsetof(struct gdt_ccb, gc_scratch[0]));
1140 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1141 GDT_SG_LEN, ucmd->u.raw.sdlen);
1145 gdt_stat.sg_count_act = 1;
1146 gdt->sc_copy_cmd(gdt, gccb);
1151 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb)
1155 t = ccb->ccb_h.target_id;
1156 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n",
1157 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t));
1159 switch (ccb->csio.cdb_io.cdb_bytes[0]) {
1160 case TEST_UNIT_READY:
1164 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n"));
1168 struct scsi_inquiry_data *inq;
1170 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr;
1171 bzero(inq, sizeof(struct scsi_inquiry_data));
1172 inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ?
1174 inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0;
1175 inq->version = SCSI_REV_2;
1176 inq->response_format = 2;
1177 inq->additional_length = 32;
1178 inq->flags = SID_CmdQue | SID_Sync;
1179 strcpy(inq->vendor, "IIR ");
1180 sprintf(inq->product, "Host Drive #%02d", t);
1181 strcpy(inq->revision, " ");
1187 struct scsi_mode_hdr_6 hd;
1188 struct scsi_mode_block_descr bd;
1189 struct scsi_control_page cp;
1193 mpd = (struct mpd_data *)ccb->csio.data_ptr;
1194 bzero(mpd, sizeof(struct mpd_data));
1195 mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) +
1196 sizeof(struct scsi_mode_block_descr);
1197 mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0;
1198 mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr);
1199 mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16;
1200 mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8;
1201 mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff);
1202 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page;
1205 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page));
1212 struct scsi_read_capacity_data *rcd;
1214 rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;
1215 bzero(rcd, sizeof(struct scsi_read_capacity_data));
1216 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr);
1217 scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length);
1221 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n",
1222 ccb->csio.cdb_io.cdb_bytes[0]));
1225 ccb->ccb_h.status = CAM_REQ_CMP;
1226 --gdt_stat.io_count_act;
1231 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1233 bus_addr_t *busaddrp;
1235 busaddrp = (bus_addr_t *)arg;
1236 *busaddrp = dm_segs->ds_addr;
1240 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1242 struct gdt_ccb *gccb;
1244 struct gdt_softc *gdt;
1249 gccb = (struct gdt_ccb *)arg;
1251 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr);
1253 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n",
1254 gdt, gccb, dm_segs, nseg, error));
1255 gdt_stat.sg_count_act = nseg;
1256 if (nseg > gdt_stat.sg_count_max)
1257 gdt_stat.sg_count_max = nseg;
1259 /* Copy the segments into our SG list */
1260 if (gccb->gc_service == GDT_CACHESERVICE) {
1261 for (i = 0; i < nseg; ++i) {
1262 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1263 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1264 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1265 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1268 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1270 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1273 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1274 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1276 for (i = 0; i < nseg; ++i) {
1277 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1278 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1279 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1280 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1283 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1285 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1288 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1289 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1293 bus_dmasync_op_t op;
1295 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1296 op = BUS_DMASYNC_PREREAD;
1298 op = BUS_DMASYNC_PREWRITE;
1299 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op);
1302 /* We must NOT abort the command here if CAM_REQ_INPROG is not set,
1303 * because command semaphore is already set!
1306 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1307 /* timeout handling */
1308 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000,
1311 gdt->sc_copy_cmd(gdt, gccb);
1317 iir_action( struct cam_sim *sim, union ccb *ccb )
1319 struct gdt_softc *gdt;
1320 int bus, target, lun;
1322 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1323 ccb->ccb_h.ccb_sim_ptr = sim;
1324 bus = cam_sim_bus(sim);
1325 target = ccb->ccb_h.target_id;
1326 lun = ccb->ccb_h.target_lun;
1327 GDT_DPRINTF(GDT_D_CMD,
1328 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n",
1329 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0],
1331 ++gdt_stat.io_count_act;
1332 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
1333 gdt_stat.io_count_max = gdt_stat.io_count_act;
1335 switch (ccb->ccb_h.func_code) {
1338 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1339 ++gdt_stat.req_queue_act;
1340 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1341 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1345 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1346 case XPT_ABORT: /* Abort the specified CCB */
1348 ccb->ccb_h.status = CAM_REQ_INVALID;
1349 --gdt_stat.io_count_act;
1352 case XPT_SET_TRAN_SETTINGS:
1353 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1354 --gdt_stat.io_count_act;
1357 case XPT_GET_TRAN_SETTINGS:
1358 /* Get default/user set transfer settings for the target */
1360 struct ccb_trans_settings *cts;
1364 target_mask = 0x01 << target;
1365 if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) {
1366 cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB;
1367 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
1368 cts->sync_period = 25; /* 10MHz */
1369 if (cts->sync_period != 0)
1370 cts->sync_offset = 15;
1372 cts->valid = CCB_TRANS_SYNC_RATE_VALID
1373 | CCB_TRANS_SYNC_OFFSET_VALID
1374 | CCB_TRANS_BUS_WIDTH_VALID
1375 | CCB_TRANS_DISC_VALID
1376 | CCB_TRANS_TQ_VALID;
1377 ccb->ccb_h.status = CAM_REQ_CMP;
1379 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1381 --gdt_stat.io_count_act;
1385 case XPT_CALC_GEOMETRY:
1387 struct ccb_calc_geometry *ccg;
1388 u_int32_t secs_per_cylinder;
1391 ccg->heads = gdt->sc_hdr[target].hd_heads;
1392 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs;
1393 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1394 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1395 ccb->ccb_h.status = CAM_REQ_CMP;
1396 --gdt_stat.io_count_act;
1400 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1403 ccb->ccb_h.status = CAM_REQ_CMP;
1404 --gdt_stat.io_count_act;
1408 case XPT_TERM_IO: /* Terminate the I/O process */
1410 ccb->ccb_h.status = CAM_REQ_INVALID;
1411 --gdt_stat.io_count_act;
1414 case XPT_PATH_INQ: /* Path routing inquiry */
1416 struct ccb_pathinq *cpi = &ccb->cpi;
1418 cpi->version_num = 1;
1419 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
1420 cpi->hba_inquiry |= PI_WIDE_16;
1421 cpi->target_sprt = 1;
1423 cpi->hba_eng_cnt = 0;
1424 if (bus == gdt->sc_virt_bus)
1425 cpi->max_target = GDT_MAX_HDRIVES - 1;
1426 else if (gdt->sc_class & GDT_FC)
1427 cpi->max_target = GDT_MAXID_FC - 1;
1429 cpi->max_target = GDT_MAXID - 1;
1431 cpi->unit_number = cam_sim_unit(sim);
1434 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]);
1435 cpi->base_transfer_speed = 3300;
1436 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1437 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
1438 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1439 cpi->ccb_h.status = CAM_REQ_CMP;
1440 --gdt_stat.io_count_act;
1445 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n",
1446 gdt, ccb->ccb_h.func_code));
1447 ccb->ccb_h.status = CAM_REQ_INVALID;
1448 --gdt_stat.io_count_act;
1455 iir_poll( struct cam_sim *sim )
1457 struct gdt_softc *gdt;
1459 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1460 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt));
1465 iir_timeout(void *arg)
1467 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", arg));
1471 iir_watchdog(void *arg)
1473 struct gdt_softc *gdt;
1475 gdt = (struct gdt_softc *)arg;
1476 GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt));
1479 int ccbs = 0, ucmds = 0, frees = 0, pends = 0;
1484 for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL;
1485 h = TAILQ_NEXT(h, sim_links.tqe))
1487 for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL;
1488 u = TAILQ_NEXT(u, links))
1490 for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL;
1491 p = SLIST_NEXT(p, sle))
1493 for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL;
1494 p = SLIST_NEXT(p, sle))
1497 GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n",
1498 ccbs, ucmds, frees, pends));
1501 callout_reset(&gdt->watchdog_timer, hz * 15, iir_watchdog, gdt);
1505 iir_shutdown( void *arg, int howto )
1507 struct gdt_softc *gdt;
1508 struct gdt_ccb *gccb;
1512 gdt = (struct gdt_softc *)arg;
1513 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto));
1515 printf("iir%d: Flushing all Host Drives. Please wait ... ",
1518 /* allocate ucmd buffer */
1519 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_DEVBUF, M_INTWAIT | M_ZERO);
1521 /* wait for pending IOs */
1523 gdt->sc_state = GDT_SHUTDOWN;
1525 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL)
1526 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz);
1529 for (i = 0; i < GDT_MAX_HDRIVES; ++i) {
1530 if (gdt->sc_hdr[i].hd_present) {
1531 ucmd->service = GDT_CACHESERVICE;
1532 ucmd->OpCode = GDT_FLUSH;
1533 ucmd->u.cache.DeviceNo = i;
1535 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
1536 ucmd->complete_flag = FALSE;
1539 if (!ucmd->complete_flag)
1540 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz);
1544 kfree(ucmd, M_DEVBUF);
1551 struct gdt_softc *gdt = arg;
1552 struct gdt_intr_ctx ctx;
1553 struct gdt_ccb *gccb;
1557 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt));
1559 /* If polling and we were not called from gdt_wait, just return */
1560 if ((gdt->sc_state & GDT_POLLING) &&
1561 !(gdt->sc_state & GDT_POLL_WAIT))
1564 if (!(gdt->sc_state & GDT_POLLING))
1568 ctx.istatus = gdt->sc_get_status(gdt);
1570 if (!(gdt->sc_state & GDT_POLLING))
1572 gdt->sc_status = GDT_S_NO_STATUS;
1576 gdt->sc_intr(gdt, &ctx);
1578 gdt->sc_status = ctx.cmd_status;
1579 gdt->sc_service = ctx.service;
1580 gdt->sc_info = ctx.info;
1581 gdt->sc_info2 = ctx.info2;
1583 if (gdt->sc_state & GDT_POLL_WAIT) {
1585 gdt_wait_index = ctx.istatus;
1588 if (ctx.istatus == GDT_ASYNCINDEX) {
1589 gdt_async_event(gdt, ctx.service);
1590 if (!(gdt->sc_state & GDT_POLLING))
1594 if (ctx.istatus == GDT_SPEZINDEX) {
1595 GDT_DPRINTF(GDT_D_INVALID,
1596 ("iir%d: Service unknown or not initialized!\n",
1598 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1599 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1600 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr);
1601 if (!(gdt->sc_state & GDT_POLLING))
1606 gccb = &gdt->sc_gccbs[ctx.istatus - 2];
1607 ctx.service = gccb->gc_service;
1609 switch (gccb->gc_flags) {
1610 case GDT_GCF_UNUSED:
1611 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n",
1612 gdt->sc_hanum, ctx.istatus));
1613 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1614 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1615 gdt->sc_dvr.eu.driver.index = ctx.istatus;
1616 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr);
1617 gdt_free_ccb(gdt, gccb);
1620 case GDT_GCF_INTERNAL:
1621 if (!(gdt->sc_state & GDT_POLLING))
1626 ucmd = gccb->gc_ucmd;
1627 if (gdt->sc_status == GDT_S_BSY) {
1628 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n",
1630 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
1631 if (!(gdt->sc_state & GDT_POLLING))
1634 ucmd->status = gdt->sc_status;
1635 ucmd->info = gdt->sc_info;
1636 ucmd->complete_flag = TRUE;
1637 if (ucmd->service == GDT_CACHESERVICE) {
1638 if (ucmd->OpCode == GDT_IOCTL) {
1639 cnt = ucmd->u.ioctl.param_size;
1641 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1643 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1645 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1648 cnt = ucmd->u.raw.sdlen;
1650 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1651 if (ucmd->u.raw.sense_len != 0)
1652 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1654 gdt_free_ccb(gdt, gccb);
1655 if (!(gdt->sc_state & GDT_POLLING))
1664 gdt_free_ccb(gdt, gccb);
1665 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb);
1666 if (!(gdt->sc_state & GDT_POLLING))
1674 gdt_async_event(struct gdt_softc *gdt, int service)
1676 struct gdt_ccb *gccb;
1678 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service));
1680 if (service == GDT_SCREENSERVICE) {
1681 if (gdt->sc_status == GDT_MSG_REQUEST) {
1682 while (gdt->sc_test_busy(gdt))
1684 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1685 gccb = gdt_get_ccb(gdt);
1687 printf("iir%d: No free command index found\n",
1691 gccb->gc_service = service;
1692 gccb->gc_flags = GDT_GCF_SCREEN;
1693 gdt->sc_set_sema0(gdt);
1694 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1695 gccb->gc_cmd_index);
1696 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ);
1697 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1698 GDT_MSG_INV_HANDLE);
1699 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1700 gdt_ccb_vtop(gdt, gccb) +
1701 offsetof(struct gdt_ccb, gc_scratch[0]));
1702 gdt->sc_cmd_off = 0;
1703 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1705 gdt->sc_cmd_cnt = 0;
1706 gdt->sc_copy_cmd(gdt, gccb);
1707 printf("iir%d: [PCI %d/%d] ",
1708 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot);
1709 gdt->sc_release_event(gdt);
1713 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) {
1714 gdt->sc_dvr.size = 0;
1715 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1716 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1717 /* severity and event_string already set! */
1719 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async);
1720 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1721 gdt->sc_dvr.eu.async.service = service;
1722 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1723 gdt->sc_dvr.eu.async.info = gdt->sc_info;
1724 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2;
1726 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr);
1727 printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string);
1734 gdt_sync_event(struct gdt_softc *gdt, int service,
1735 u_int8_t index, struct gdt_ccb *gccb)
1738 bus_dmasync_op_t op;
1740 GDT_DPRINTF(GDT_D_INTR,
1741 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb));
1745 if (service == GDT_SCREENSERVICE) {
1748 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN);
1750 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1751 gccb->gc_scratch[GDT_SCR_MSG_EXT])) {
1752 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0';
1753 printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]);
1756 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] &&
1757 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) {
1758 while (gdt->sc_test_busy(gdt))
1760 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1761 gccb = gdt_get_ccb(gdt);
1763 printf("iir%d: No free command index found\n",
1767 gccb->gc_service = service;
1768 gccb->gc_flags = GDT_GCF_SCREEN;
1769 gdt->sc_set_sema0(gdt);
1770 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1771 gccb->gc_cmd_index);
1772 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ);
1773 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1774 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1775 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1776 gdt_ccb_vtop(gdt, gccb) +
1777 offsetof(struct gdt_ccb, gc_scratch[0]));
1778 gdt->sc_cmd_off = 0;
1779 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1781 gdt->sc_cmd_cnt = 0;
1782 gdt->sc_copy_cmd(gdt, gccb);
1783 gdt->sc_release_event(gdt);
1787 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1788 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) {
1789 /* default answers (getchar() not possible) */
1790 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) {
1791 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0);
1792 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1);
1793 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0;
1795 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN,
1796 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2);
1797 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2);
1798 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1;
1799 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0;
1801 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0;
1802 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0;
1803 while (gdt->sc_test_busy(gdt))
1805 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1806 gccb = gdt_get_ccb(gdt);
1808 printf("iir%d: No free command index found\n",
1812 gccb->gc_service = service;
1813 gccb->gc_flags = GDT_GCF_SCREEN;
1814 gdt->sc_set_sema0(gdt);
1815 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1816 gccb->gc_cmd_index);
1817 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
1818 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1819 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1820 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1821 gdt_ccb_vtop(gdt, gccb) +
1822 offsetof(struct gdt_ccb, gc_scratch[0]));
1823 gdt->sc_cmd_off = 0;
1824 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1826 gdt->sc_cmd_cnt = 0;
1827 gdt->sc_copy_cmd(gdt, gccb);
1828 gdt->sc_release_event(gdt);
1834 callout_stop(&ccb->ccb_h.timeout_ch);
1835 if (gdt->sc_status == GDT_S_BSY) {
1836 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n",
1838 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1839 ++gdt_stat.req_queue_act;
1840 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1841 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1845 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1846 op = BUS_DMASYNC_POSTREAD;
1848 op = BUS_DMASYNC_POSTWRITE;
1849 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op);
1851 ccb->csio.resid = 0;
1852 if (gdt->sc_status == GDT_S_OK) {
1853 ccb->ccb_h.status = CAM_REQ_CMP;
1856 if (gccb->gc_service == GDT_CACHESERVICE) {
1857 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1858 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1859 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
1860 ccb->csio.sense_data.error_code =
1861 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID;
1862 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY;
1864 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync);
1865 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum;
1866 gdt->sc_dvr.eu.sync.service = service;
1867 gdt->sc_dvr.eu.sync.status = gdt->sc_status;
1868 gdt->sc_dvr.eu.sync.info = gdt->sc_info;
1869 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id;
1870 if (gdt->sc_status >= 0x8000)
1871 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr);
1873 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr);
1876 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) {
1877 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1879 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID;
1880 ccb->csio.scsi_status = gdt->sc_info;
1881 bcopy(gccb->gc_scratch, &ccb->csio.sense_data,
1882 ccb->csio.sense_len);
1886 --gdt_stat.io_count_act;
1892 /* Controller event handling functions */
1894 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt)
1899 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx));
1900 if (source == 0) /* no source -> no event */
1903 if (ebuffer[elastidx].event_source == source &&
1904 ebuffer[elastidx].event_idx == idx &&
1905 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
1906 !memcmp((char *)&ebuffer[elastidx].event_data.eu,
1907 (char *)&evt->eu, evt->size)) ||
1908 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
1909 !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
1910 (char *)&evt->event_string)))) {
1911 e = &ebuffer[elastidx];
1913 e->last_stamp = tv.tv_sec;
1916 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
1918 if (elastidx == GDT_MAX_EVENTS)
1920 if (elastidx == eoldidx) { /* reached mark ? */
1922 if (eoldidx == GDT_MAX_EVENTS)
1926 e = &ebuffer[elastidx];
1927 e->event_source = source;
1930 e->first_stamp = e->last_stamp = tv.tv_sec;
1932 e->event_data = *evt;
1939 gdt_read_event(int handle, gdt_evt_str *estr)
1944 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle));
1950 estr->event_source = 0;
1952 if (eindex >= GDT_MAX_EVENTS) {
1956 e = &ebuffer[eindex];
1957 if (e->event_source != 0) {
1958 if (eindex != elastidx) {
1959 if (++eindex == GDT_MAX_EVENTS)
1964 memcpy(estr, e, sizeof(gdt_evt_str));
1971 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr)
1977 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application));
1981 e = &ebuffer[eindex];
1982 if (e->event_source == 0)
1984 if ((e->application & application) == 0) {
1985 e->application |= application;
1989 if (eindex == elastidx)
1991 if (++eindex == GDT_MAX_EVENTS)
1995 memcpy(estr, e, sizeof(gdt_evt_str));
1997 estr->event_source = 0;
2002 gdt_clear_events(void)
2004 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n"));
2006 eoldidx = elastidx = 0;
2007 ebuffer[0].event_source = 0;