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 1.10 2005/06/10 15:46:31 swildner 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);
128 int ser_printf(const char *fmt, ...)
133 __va_start(args,fmt);
134 i = vsprintf(strbuf,fmt,args);
142 /* The linked list of softc structures */
143 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs);
144 /* controller cnt. */
147 static gdt_evt_str ebuffer[GDT_MAX_EVENTS];
148 static int elastidx, eoldidx;
150 gdt_statist_t gdt_stat;
152 /* Definitions for our use of the SIM private CCB area */
153 #define ccb_sim_ptr spriv_ptr0
154 #define ccb_priority spriv_field1
156 static void iir_action(struct cam_sim *sim, union ccb *ccb);
157 static void iir_poll(struct cam_sim *sim);
158 static void iir_shutdown(void *arg, int howto);
159 static void iir_timeout(void *arg);
160 static void iir_watchdog(void *arg);
162 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads,
164 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
165 u_int8_t service, u_int16_t opcode,
166 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3);
167 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb,
170 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt);
171 static u_int32_t gdt_ccb_vtop(struct gdt_softc *gdt,
172 struct gdt_ccb *gccb);
174 static int gdt_sync_event(struct gdt_softc *gdt, int service,
175 u_int8_t index, struct gdt_ccb *gccb);
176 static int gdt_async_event(struct gdt_softc *gdt, int service);
177 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb);
178 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb);
179 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd);
180 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb);
182 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs,
183 int nseg, int error);
184 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs,
185 int nseg, int error);
188 iir_init(struct gdt_softc *gdt)
191 int i, id, drv_cyls, drv_hds, drv_secs;
192 struct gdt_ccb *gccb;
194 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n"));
196 gdt->sc_state = GDT_POLLING;
198 bzero(&gdt_stat, sizeof(gdt_statist_t));
200 SLIST_INIT(&gdt->sc_free_gccb);
201 SLIST_INIT(&gdt->sc_pending_gccb);
202 TAILQ_INIT(&gdt->sc_ccb_queue);
203 TAILQ_INIT(&gdt->sc_ucmd_queue);
204 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links);
206 /* DMA tag for mapping buffers into device visible space. */
207 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
208 /*lowaddr*/BUS_SPACE_MAXADDR,
209 /*highaddr*/BUS_SPACE_MAXADDR,
210 /*filter*/NULL, /*filterarg*/NULL,
211 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG,
212 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
213 /*flags*/BUS_DMA_ALLOCNOW,
214 &gdt->sc_buffer_dmat) != 0) {
215 printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n",
219 gdt->sc_init_level++;
221 /* DMA tag for our ccb structures */
222 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
223 /*lowaddr*/BUS_SPACE_MAXADDR,
224 /*highaddr*/BUS_SPACE_MAXADDR,
225 /*filter*/NULL, /*filterarg*/NULL,
226 GDT_MAXCMDS * sizeof(struct gdt_ccb),
228 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
229 /*flags*/0, &gdt->sc_gccb_dmat) != 0) {
230 printf("iir%d: bus_dma_tag_create(...,gdt->sc_gccb_dmat) failed\n",
234 gdt->sc_init_level++;
236 /* Allocation for our ccbs */
237 if (bus_dmamem_alloc(gdt->sc_gccb_dmat, (void **)&gdt->sc_gccbs,
238 BUS_DMA_NOWAIT, &gdt->sc_gccb_dmamap) != 0) {
239 printf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n",
243 gdt->sc_init_level++;
245 /* And permanently map them */
246 bus_dmamap_load(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap,
247 gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb),
248 gdtmapmem, &gdt->sc_gccb_busbase, /*flags*/0);
249 gdt->sc_init_level++;
251 /* Clear them out. */
252 bzero(gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb));
254 /* Initialize the ccbs */
255 for (i = GDT_MAXCMDS-1; i >= 0; i--) {
256 gdt->sc_gccbs[i].gc_cmd_index = i + 2;
257 gdt->sc_gccbs[i].gc_flags = GDT_GCF_UNUSED;
258 gdt->sc_gccbs[i].gc_map_flag = FALSE;
259 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0,
260 &gdt->sc_gccbs[i].gc_dmamap) != 0)
262 gdt->sc_gccbs[i].gc_map_flag = TRUE;
263 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, &gdt->sc_gccbs[i], sle);
265 gdt->sc_init_level++;
267 /* create the control device */
268 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum);
270 /* allocate ccb for gdt_internal_cmd() */
271 gccb = gdt_get_ccb(gdt);
273 printf("iir%d: No free command index found\n",
278 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT,
280 printf("iir%d: Screen service initialization error %d\n",
281 gdt->sc_hanum, gdt->sc_status);
282 gdt_free_ccb(gdt, gccb);
286 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
287 GDT_LINUX_OS, 0, 0)) {
288 printf("iir%d: Cache service initialization error %d\n",
289 gdt->sc_hanum, gdt->sc_status);
290 gdt_free_ccb(gdt, gccb);
293 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO,
296 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_MOUNT,
298 printf("iir%d: Cache service mount error %d\n",
299 gdt->sc_hanum, gdt->sc_status);
300 gdt_free_ccb(gdt, gccb);
304 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
305 GDT_LINUX_OS, 0, 0)) {
306 printf("iir%d: Cache service post-mount initialization error %d\n",
307 gdt->sc_hanum, gdt->sc_status);
308 gdt_free_ccb(gdt, gccb);
311 cdev_cnt = (u_int16_t)gdt->sc_info;
312 gdt->sc_fw_vers = gdt->sc_service;
314 /* Detect number of buses */
315 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST);
316 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS;
317 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0;
318 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1;
319 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ);
320 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
321 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL,
322 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) {
323 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT];
324 for (i = 0; i < gdt->sc_bus_cnt; i++) {
325 id = gccb->gc_scratch[GDT_IOC_HDR_SZ +
326 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID];
327 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff;
330 /* New method failed, use fallback. */
331 for (i = 0; i < GDT_MAXBUS; i++) {
332 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i);
333 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
334 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN,
335 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL,
338 printf("iir%d: Cannot get channel count, "
339 "error %d\n", gdt->sc_hanum, gdt->sc_status);
340 gdt_free_ccb(gdt, gccb);
346 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ?
347 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff;
351 /* add one "virtual" channel for the host drives */
352 gdt->sc_virt_bus = gdt->sc_bus_cnt;
355 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT,
357 printf("iir%d: Raw service initialization error %d\n",
358 gdt->sc_hanum, gdt->sc_status);
359 gdt_free_ccb(gdt, gccb);
363 /* Set/get features raw service (scatter/gather) */
364 gdt->sc_raw_feat = 0;
365 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT,
366 GDT_SCATTER_GATHER, 0, 0)) {
367 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT,
369 gdt->sc_raw_feat = gdt->sc_info;
370 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
371 panic("iir%d: Scatter/Gather Raw Service "
372 "required but not supported!\n", gdt->sc_hanum);
373 gdt_free_ccb(gdt, gccb);
379 /* Set/get features cache service (scatter/gather) */
380 gdt->sc_cache_feat = 0;
381 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT,
382 0, GDT_SCATTER_GATHER, 0)) {
383 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT,
385 gdt->sc_cache_feat = gdt->sc_info;
386 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
387 panic("iir%d: Scatter/Gather Cache Service "
388 "required but not supported!\n", gdt->sc_hanum);
389 gdt_free_ccb(gdt, gccb);
395 /* Scan for cache devices */
396 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) {
397 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO,
399 gdt->sc_hdr[i].hd_present = 1;
400 gdt->sc_hdr[i].hd_size = gdt->sc_info;
403 * Evaluate mapping (sectors per head, heads per cyl)
405 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32;
406 if (gdt->sc_info2 == 0)
407 gdt_eval_mapping(gdt->sc_hdr[i].hd_size,
408 &drv_cyls, &drv_hds, &drv_secs);
410 drv_hds = gdt->sc_info2 & 0xff;
411 drv_secs = (gdt->sc_info2 >> 8) & 0xff;
412 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds /
415 gdt->sc_hdr[i].hd_heads = drv_hds;
416 gdt->sc_hdr[i].hd_secs = drv_secs;
418 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs;
420 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE,
421 GDT_DEVTYPE, i, 0, 0))
422 gdt->sc_hdr[i].hd_devtype = gdt->sc_info;
426 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n",
428 gdt->sc_bus_cnt, cdev_cnt,
429 cdev_cnt == 1 ? "" : "s"));
430 gdt_free_ccb(gdt, gccb);
437 iir_free(struct gdt_softc *gdt)
441 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n"));
443 switch (gdt->sc_init_level) {
445 gdt_destroy_dev(gdt->sc_dev);
447 for (i = GDT_MAXCMDS-1; i >= 0; i--)
448 if (gdt->sc_gccbs[i].gc_map_flag)
449 bus_dmamap_destroy(gdt->sc_buffer_dmat,
450 gdt->sc_gccbs[i].gc_dmamap);
451 bus_dmamap_unload(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap);
453 bus_dmamem_free(gdt->sc_gccb_dmat, gdt->sc_gccbs, gdt->sc_gccb_dmamap);
455 bus_dma_tag_destroy(gdt->sc_gccb_dmat);
457 bus_dma_tag_destroy(gdt->sc_buffer_dmat);
459 bus_dma_tag_destroy(gdt->sc_parent_dmat);
463 TAILQ_REMOVE(&gdt_softcs, gdt, links);
467 iir_attach(struct gdt_softc *gdt)
469 struct cam_devq *devq;
472 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n"));
474 callout_init(&gdt->watchdog_timer);
476 * Create the device queue for our SIM.
478 devq = cam_simq_alloc(GDT_MAXCMDS);
482 for (i = 0; i < gdt->sc_bus_cnt; i++) {
484 * Construct our SIM entry
486 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir",
487 gdt, gdt->sc_hanum, /*untagged*/2,
488 /*tagged*/GDT_MAXCMDS, devq);
489 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) {
490 cam_sim_free(gdt->sims[i]);
494 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL,
495 cam_sim_path(gdt->sims[i]),
497 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
498 xpt_bus_deregister(cam_sim_path(gdt->sims[i]));
499 cam_sim_free(gdt->sims[i]);
503 cam_simq_release(devq);
505 EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown,
506 gdt, SHUTDOWN_PRI_DEFAULT);
507 /* iir_watchdog(gdt); */
508 gdt->sc_state = GDT_NORMAL;
512 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs)
514 *cyls = size / GDT_HEADS / GDT_SECS;
515 if (*cyls < GDT_MAXCYLS) {
519 /* Too high for 64 * 32 */
520 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS;
521 if (*cyls < GDT_MAXCYLS) {
522 *heads = GDT_MEDHEADS;
525 /* Too high for 127 * 63 */
526 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS;
527 *heads = GDT_BIGHEADS;
534 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb,
539 GDT_DPRINTF(GDT_D_INIT,
540 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout));
542 gdt->sc_state |= GDT_POLL_WAIT;
545 if (gdt == gdt_wait_gdt &&
546 gccb->gc_cmd_index == gdt_wait_index) {
552 gdt->sc_state &= ~GDT_POLL_WAIT;
554 while (gdt->sc_test_busy(gdt))
555 DELAY(1); /* XXX correct? */
561 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
562 u_int8_t service, u_int16_t opcode,
563 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
567 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n",
568 gdt, service, opcode, arg1, arg2, arg3));
570 bzero(gdt->sc_cmd, GDT_CMD_SZ);
572 for (retries = GDT_RETRIES; ; ) {
573 gccb->gc_service = service;
574 gccb->gc_flags = GDT_GCF_INTERNAL;
576 gdt->sc_set_sema0(gdt);
577 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
579 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode);
582 case GDT_CACHESERVICE:
583 if (opcode == GDT_IOCTL) {
584 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
585 GDT_IOCTL_SUBFUNC, arg1);
586 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
587 GDT_IOCTL_CHANNEL, arg2);
588 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION +
589 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3);
590 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
591 gdt_ccb_vtop(gdt, gccb) +
592 offsetof(struct gdt_ccb, gc_scratch[0]));
594 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION +
595 GDT_CACHE_DEVICENO, (u_int16_t)arg1);
596 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
597 GDT_CACHE_BLOCKNO, arg2);
601 case GDT_SCSIRAWSERVICE:
602 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
603 GDT_RAW_DIRECTION, arg1);
604 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
606 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
608 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
609 (u_int8_t)(arg3 >> 8);
612 gdt->sc_cmd_len = GDT_CMD_SZ;
615 gdt->sc_copy_cmd(gdt, gccb);
616 gdt->sc_release_event(gdt);
618 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT))
620 if (gdt->sc_status != GDT_S_BSY || --retries == 0)
624 return (gdt->sc_status == GDT_S_OK);
627 static struct gdt_ccb *
628 gdt_get_ccb(struct gdt_softc *gdt)
630 struct gdt_ccb *gccb;
632 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt));
635 gccb = SLIST_FIRST(&gdt->sc_free_gccb);
637 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle);
638 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle);
639 ++gdt_stat.cmd_index_act;
640 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max)
641 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act;
648 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb)
650 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb));
653 gccb->gc_flags = GDT_GCF_UNUSED;
654 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle);
655 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
656 --gdt_stat.cmd_index_act;
658 if (gdt->sc_state & GDT_SHUTDOWN)
663 gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb)
665 return (gdt->sc_gccb_busbase
666 + (u_int32_t)((caddr_t)gccb - (caddr_t)gdt->sc_gccbs));
670 gdt_next(struct gdt_softc *gdt)
675 int bus, target, lun;
678 struct ccb_scsiio *csio;
679 struct ccb_hdr *ccbh;
680 struct gdt_ccb *gccb = NULL;
683 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt));
686 if (gdt->sc_test_busy(gdt)) {
687 if (!(gdt->sc_state & GDT_POLLING)) {
691 while (gdt->sc_test_busy(gdt))
695 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0;
698 /* I/Os in queue? controller ready? */
699 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) &&
700 !TAILQ_FIRST(&gdt->sc_ccb_queue))
703 /* 1.: I/Os without ccb (IOCTLs) */
704 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue);
706 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links);
707 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) {
708 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
712 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */
715 /* 2.: I/Os with ccb */
716 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue);
717 /* ist dann immer != NULL, da oben getestet */
718 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
719 bus = cam_sim_bus(sim);
720 target = ccb->ccb_h.target_id;
721 lun = ccb->ccb_h.target_lun;
723 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
724 --gdt_stat.req_queue_act;
725 /* ccb->ccb_h.func_code is XPT_SCSI_IO */
726 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n",
730 cmd = csio->cdb_io.cdb_bytes[0];
731 /* Max CDB length is 12 bytes */
732 if (csio->cdb_len > 12) {
733 ccbh->status = CAM_REQ_INVALID;
734 --gdt_stat.io_count_act;
736 } else if (bus != gdt->sc_virt_bus) {
737 /* raw service command */
738 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) {
739 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
741 ++gdt_stat.req_queue_act;
742 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
743 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
746 } else if (target >= GDT_MAX_HDRIVES ||
747 !gdt->sc_hdr[target].hd_present || lun != 0) {
748 ccbh->status = CAM_SEL_TIMEOUT;
749 --gdt_stat.io_count_act;
752 /* cache service command */
753 if (cmd == READ_6 || cmd == WRITE_6 ||
754 cmd == READ_10 || cmd == WRITE_10) {
755 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) {
756 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
758 ++gdt_stat.req_queue_act;
759 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
760 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
765 gdt_internal_cache_cmd(gdt, ccb);
769 if ((gdt->sc_state & GDT_POLLING) || !next_cmd)
772 if (gdt->sc_cmd_cnt > 0)
773 gdt->sc_release_event(gdt);
777 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) {
778 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT);
782 static struct gdt_ccb *
783 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb)
785 struct gdt_ccb *gccb;
788 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb));
790 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) +
791 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
792 gdt->sc_ic_all_size) {
793 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n",
798 bzero(gdt->sc_cmd, GDT_CMD_SZ);
800 gccb = gdt_get_ccb(gdt);
802 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n",
806 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
808 gccb->gc_service = GDT_SCSIRAWSERVICE;
809 gccb->gc_flags = GDT_GCF_SCSI;
811 if (gdt->sc_cmd_cnt == 0)
812 gdt->sc_set_sema0(gdt);
814 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
816 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
818 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
819 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
820 GDT_DATA_IN : GDT_DATA_OUT);
821 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
822 ccb->csio.dxfer_len);
823 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
825 bcopy(ccb->csio.cdb_io.cdb_bytes, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
827 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
828 ccb->ccb_h.target_id;
829 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
830 ccb->ccb_h.target_lun;
831 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
833 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
834 sizeof(struct scsi_sense_data));
835 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
836 gdt_ccb_vtop(gdt, gccb) +
837 offsetof(struct gdt_ccb, gc_scratch[0]));
840 * If we have any data to send with this command,
841 * map it into bus space.
843 /* Only use S/G if there is a transfer */
844 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
845 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
846 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
849 /* vorher unlock von splcam() ??? */
852 bus_dmamap_load(gdt->sc_buffer_dmat,
858 if (error == EINPROGRESS) {
859 xpt_freeze_simq(sim, 1);
860 gccb->gc_state |= CAM_RELEASE_SIMQ;
864 struct bus_dma_segment seg;
866 /* Pointer to physical buffer */
868 (bus_addr_t)ccb->csio.data_ptr;
869 seg.ds_len = ccb->csio.dxfer_len;
870 gdtexecuteccb(gccb, &seg, 1, 0);
873 struct bus_dma_segment *segs;
875 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
876 panic("iir%d: iir_action - Physical "
877 "segment pointers unsupported", gdt->sc_hanum);
879 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
880 panic("iir%d: iir_action - Virtual "
881 "segment addresses unsupported", gdt->sc_hanum);
883 /* Just use the segments provided */
884 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
885 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
888 gdtexecuteccb(gccb, NULL, 0, 0);
895 static struct gdt_ccb *
896 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb)
898 struct gdt_ccb *gccb;
902 u_int32_t blockno, blockcnt;
904 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb));
906 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) +
907 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
908 gdt->sc_ic_all_size) {
909 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n",
914 bzero(gdt->sc_cmd, GDT_CMD_SZ);
916 gccb = gdt_get_ccb(gdt);
918 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
922 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
924 gccb->gc_service = GDT_CACHESERVICE;
925 gccb->gc_flags = GDT_GCF_SCSI;
927 if (gdt->sc_cmd_cnt == 0)
928 gdt->sc_set_sema0(gdt);
930 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
932 cmdp = ccb->csio.cdb_io.cdb_bytes;
933 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ;
934 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE)
935 opcode = GDT_WRITE_THR;
936 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode);
938 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
939 ccb->ccb_h.target_id);
940 if (ccb->csio.cdb_len == 6) {
941 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp;
942 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff);
943 blockcnt = rw->length ? rw->length : 0x100;
945 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp;
946 blockno = scsi_4btoul(rw->addr);
947 blockcnt = scsi_2btoul(rw->length);
949 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
951 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
955 * If we have any data to send with this command,
956 * map it into bus space.
958 /* Only use S/G if there is a transfer */
959 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
960 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
963 /* vorher unlock von splcam() ??? */
966 bus_dmamap_load(gdt->sc_buffer_dmat,
972 if (error == EINPROGRESS) {
973 xpt_freeze_simq(sim, 1);
974 gccb->gc_state |= CAM_RELEASE_SIMQ;
978 struct bus_dma_segment seg;
980 /* Pointer to physical buffer */
982 (bus_addr_t)ccb->csio.data_ptr;
983 seg.ds_len = ccb->csio.dxfer_len;
984 gdtexecuteccb(gccb, &seg, 1, 0);
987 struct bus_dma_segment *segs;
989 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
990 panic("iir%d: iir_action - Physical "
991 "segment pointers unsupported", gdt->sc_hanum);
993 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
994 panic("iir%d: iir_action - Virtual "
995 "segment addresses unsupported", gdt->sc_hanum);
997 /* Just use the segments provided */
998 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
999 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
1006 static struct gdt_ccb *
1007 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd)
1009 struct gdt_ccb *gccb;
1012 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd));
1014 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1016 gccb = gdt_get_ccb(gdt);
1018 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
1022 gccb->gc_ucmd = ucmd;
1023 gccb->gc_service = ucmd->service;
1024 gccb->gc_flags = GDT_GCF_IOCTL;
1026 /* check DPMEM space, copy data buffer from user space */
1027 if (ucmd->service == GDT_CACHESERVICE) {
1028 if (ucmd->OpCode == GDT_IOCTL) {
1029 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ,
1031 cnt = ucmd->u.ioctl.param_size;
1032 if (cnt > GDT_SCRATCH_SZ) {
1033 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1034 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1035 gdt_free_ccb(gdt, gccb);
1039 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1040 GDT_SG_SZ, sizeof(u_int32_t));
1041 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1042 if (cnt > GDT_SCRATCH_SZ) {
1043 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1044 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1045 gdt_free_ccb(gdt, gccb);
1050 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1051 GDT_SG_SZ, sizeof(u_int32_t));
1052 cnt = ucmd->u.raw.sdlen;
1053 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) {
1054 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1055 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len);
1056 gdt_free_ccb(gdt, gccb);
1061 bcopy(ucmd->data, gccb->gc_scratch, cnt);
1063 if (gdt->sc_cmd_off + gdt->sc_cmd_len + GDT_DPMEM_COMMAND_OFFSET >
1064 gdt->sc_ic_all_size) {
1065 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n",
1067 gdt_free_ccb(gdt, gccb);
1071 if (gdt->sc_cmd_cnt == 0)
1072 gdt->sc_set_sema0(gdt);
1075 /* fill cmd structure */
1076 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1077 gccb->gc_cmd_index);
1078 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE,
1081 if (ucmd->service == GDT_CACHESERVICE) {
1082 if (ucmd->OpCode == GDT_IOCTL) {
1084 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE,
1085 ucmd->u.ioctl.param_size);
1086 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC,
1087 ucmd->u.ioctl.subfunc);
1088 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL,
1089 ucmd->u.ioctl.channel);
1090 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
1091 gdt_ccb_vtop(gdt, gccb) +
1092 offsetof(struct gdt_ccb, gc_scratch[0]));
1094 /* cache service command */
1095 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
1096 ucmd->u.cache.DeviceNo);
1097 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
1098 ucmd->u.cache.BlockNo);
1099 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
1100 ucmd->u.cache.BlockCnt);
1101 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1103 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1105 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1106 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) +
1107 offsetof(struct gdt_ccb, gc_scratch[0]));
1108 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1109 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE);
1112 /* raw service command */
1113 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
1114 ucmd->u.raw.direction);
1115 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1117 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
1119 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
1121 bcopy(ucmd->u.raw.cmd, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
1123 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
1125 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
1127 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
1129 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
1130 ucmd->u.raw.sense_len);
1131 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
1132 gdt_ccb_vtop(gdt, gccb) +
1133 offsetof(struct gdt_ccb, gc_scratch[ucmd->u.raw.sdlen]));
1134 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1136 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1137 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) +
1138 offsetof(struct gdt_ccb, gc_scratch[0]));
1139 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1140 GDT_SG_LEN, ucmd->u.raw.sdlen);
1144 gdt_stat.sg_count_act = 1;
1145 gdt->sc_copy_cmd(gdt, gccb);
1150 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb)
1154 t = ccb->ccb_h.target_id;
1155 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n",
1156 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t));
1158 switch (ccb->csio.cdb_io.cdb_bytes[0]) {
1159 case TEST_UNIT_READY:
1163 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n"));
1167 struct scsi_inquiry_data *inq;
1169 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr;
1170 bzero(inq, sizeof(struct scsi_inquiry_data));
1171 inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ?
1173 inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0;
1174 inq->version = SCSI_REV_2;
1175 inq->response_format = 2;
1176 inq->additional_length = 32;
1177 inq->flags = SID_CmdQue | SID_Sync;
1178 strcpy(inq->vendor, "IIR ");
1179 sprintf(inq->product, "Host Drive #%02d", t);
1180 strcpy(inq->revision, " ");
1186 struct scsi_mode_hdr_6 hd;
1187 struct scsi_mode_block_descr bd;
1188 struct scsi_control_page cp;
1192 mpd = (struct mpd_data *)ccb->csio.data_ptr;
1193 bzero(mpd, sizeof(struct mpd_data));
1194 mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) +
1195 sizeof(struct scsi_mode_block_descr);
1196 mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0;
1197 mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr);
1198 mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16;
1199 mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8;
1200 mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff);
1201 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page;
1204 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page));
1211 struct scsi_read_capacity_data *rcd;
1213 rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;
1214 bzero(rcd, sizeof(struct scsi_read_capacity_data));
1215 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr);
1216 scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length);
1220 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n",
1221 ccb->csio.cdb_io.cdb_bytes[0]));
1224 ccb->ccb_h.status = CAM_REQ_CMP;
1225 --gdt_stat.io_count_act;
1230 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1232 bus_addr_t *busaddrp;
1234 busaddrp = (bus_addr_t *)arg;
1235 *busaddrp = dm_segs->ds_addr;
1239 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1241 struct gdt_ccb *gccb;
1243 struct gdt_softc *gdt;
1248 gccb = (struct gdt_ccb *)arg;
1250 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr);
1252 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n",
1253 gdt, gccb, dm_segs, nseg, error));
1254 gdt_stat.sg_count_act = nseg;
1255 if (nseg > gdt_stat.sg_count_max)
1256 gdt_stat.sg_count_max = nseg;
1258 /* Copy the segments into our SG list */
1259 if (gccb->gc_service == GDT_CACHESERVICE) {
1260 for (i = 0; i < nseg; ++i) {
1261 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1262 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1263 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1264 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1267 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1269 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1272 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1273 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1275 for (i = 0; i < nseg; ++i) {
1276 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1277 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1278 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1279 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1282 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1284 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1287 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1288 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1292 bus_dmasync_op_t op;
1294 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1295 op = BUS_DMASYNC_PREREAD;
1297 op = BUS_DMASYNC_PREWRITE;
1298 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op);
1301 /* We must NOT abort the command here if CAM_REQ_INPROG is not set,
1302 * because command semaphore is already set!
1305 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1306 /* timeout handling */
1307 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000,
1310 gdt->sc_copy_cmd(gdt, gccb);
1316 iir_action( struct cam_sim *sim, union ccb *ccb )
1318 struct gdt_softc *gdt;
1319 int bus, target, lun;
1321 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1322 ccb->ccb_h.ccb_sim_ptr = sim;
1323 bus = cam_sim_bus(sim);
1324 target = ccb->ccb_h.target_id;
1325 lun = ccb->ccb_h.target_lun;
1326 GDT_DPRINTF(GDT_D_CMD,
1327 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n",
1328 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0],
1330 ++gdt_stat.io_count_act;
1331 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
1332 gdt_stat.io_count_max = gdt_stat.io_count_act;
1334 switch (ccb->ccb_h.func_code) {
1337 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1338 ++gdt_stat.req_queue_act;
1339 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1340 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1344 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1345 case XPT_ABORT: /* Abort the specified CCB */
1347 ccb->ccb_h.status = CAM_REQ_INVALID;
1348 --gdt_stat.io_count_act;
1351 case XPT_SET_TRAN_SETTINGS:
1352 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1353 --gdt_stat.io_count_act;
1356 case XPT_GET_TRAN_SETTINGS:
1357 /* Get default/user set transfer settings for the target */
1359 struct ccb_trans_settings *cts;
1363 target_mask = 0x01 << target;
1364 if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) {
1365 cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB;
1366 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
1367 cts->sync_period = 25; /* 10MHz */
1368 if (cts->sync_period != 0)
1369 cts->sync_offset = 15;
1371 cts->valid = CCB_TRANS_SYNC_RATE_VALID
1372 | CCB_TRANS_SYNC_OFFSET_VALID
1373 | CCB_TRANS_BUS_WIDTH_VALID
1374 | CCB_TRANS_DISC_VALID
1375 | CCB_TRANS_TQ_VALID;
1376 ccb->ccb_h.status = CAM_REQ_CMP;
1378 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1380 --gdt_stat.io_count_act;
1384 case XPT_CALC_GEOMETRY:
1386 struct ccb_calc_geometry *ccg;
1387 u_int32_t secs_per_cylinder;
1390 ccg->heads = gdt->sc_hdr[target].hd_heads;
1391 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs;
1392 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1393 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1394 ccb->ccb_h.status = CAM_REQ_CMP;
1395 --gdt_stat.io_count_act;
1399 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1402 ccb->ccb_h.status = CAM_REQ_CMP;
1403 --gdt_stat.io_count_act;
1407 case XPT_TERM_IO: /* Terminate the I/O process */
1409 ccb->ccb_h.status = CAM_REQ_INVALID;
1410 --gdt_stat.io_count_act;
1413 case XPT_PATH_INQ: /* Path routing inquiry */
1415 struct ccb_pathinq *cpi = &ccb->cpi;
1417 cpi->version_num = 1;
1418 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
1419 cpi->hba_inquiry |= PI_WIDE_16;
1420 cpi->target_sprt = 1;
1422 cpi->hba_eng_cnt = 0;
1423 if (bus == gdt->sc_virt_bus)
1424 cpi->max_target = GDT_MAX_HDRIVES - 1;
1425 else if (gdt->sc_class & GDT_FC)
1426 cpi->max_target = GDT_MAXID_FC - 1;
1428 cpi->max_target = GDT_MAXID - 1;
1430 cpi->unit_number = cam_sim_unit(sim);
1433 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]);
1434 cpi->base_transfer_speed = 3300;
1435 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1436 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
1437 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1438 cpi->ccb_h.status = CAM_REQ_CMP;
1439 --gdt_stat.io_count_act;
1444 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n",
1445 gdt, ccb->ccb_h.func_code));
1446 ccb->ccb_h.status = CAM_REQ_INVALID;
1447 --gdt_stat.io_count_act;
1454 iir_poll( struct cam_sim *sim )
1456 struct gdt_softc *gdt;
1458 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1459 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt));
1464 iir_timeout(void *arg)
1466 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", arg));
1470 iir_watchdog(void *arg)
1472 struct gdt_softc *gdt;
1474 gdt = (struct gdt_softc *)arg;
1475 GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt));
1478 int ccbs = 0, ucmds = 0, frees = 0, pends = 0;
1483 for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL;
1484 h = TAILQ_NEXT(h, sim_links.tqe))
1486 for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL;
1487 u = TAILQ_NEXT(u, links))
1489 for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL;
1490 p = SLIST_NEXT(p, sle))
1492 for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL;
1493 p = SLIST_NEXT(p, sle))
1496 GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n",
1497 ccbs, ucmds, frees, pends));
1500 callout_reset(&gdt->watchdog_timer, hz * 15, iir_watchdog, gdt);
1504 iir_shutdown( void *arg, int howto )
1506 struct gdt_softc *gdt;
1507 struct gdt_ccb *gccb;
1511 gdt = (struct gdt_softc *)arg;
1512 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto));
1514 printf("iir%d: Flushing all Host Drives. Please wait ... ",
1517 /* allocate ucmd buffer */
1518 ucmd = malloc(sizeof(gdt_ucmd_t), M_DEVBUF, M_INTWAIT | M_ZERO);
1520 /* wait for pending IOs */
1522 gdt->sc_state = GDT_SHUTDOWN;
1524 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL)
1525 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz);
1528 for (i = 0; i < GDT_MAX_HDRIVES; ++i) {
1529 if (gdt->sc_hdr[i].hd_present) {
1530 ucmd->service = GDT_CACHESERVICE;
1531 ucmd->OpCode = GDT_FLUSH;
1532 ucmd->u.cache.DeviceNo = i;
1534 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
1535 ucmd->complete_flag = FALSE;
1538 if (!ucmd->complete_flag)
1539 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz);
1543 free(ucmd, M_DEVBUF);
1550 struct gdt_softc *gdt = arg;
1551 struct gdt_intr_ctx ctx;
1552 struct gdt_ccb *gccb;
1556 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt));
1558 /* If polling and we were not called from gdt_wait, just return */
1559 if ((gdt->sc_state & GDT_POLLING) &&
1560 !(gdt->sc_state & GDT_POLL_WAIT))
1563 if (!(gdt->sc_state & GDT_POLLING))
1567 ctx.istatus = gdt->sc_get_status(gdt);
1569 if (!(gdt->sc_state & GDT_POLLING))
1571 gdt->sc_status = GDT_S_NO_STATUS;
1575 gdt->sc_intr(gdt, &ctx);
1577 gdt->sc_status = ctx.cmd_status;
1578 gdt->sc_service = ctx.service;
1579 gdt->sc_info = ctx.info;
1580 gdt->sc_info2 = ctx.info2;
1582 if (gdt->sc_state & GDT_POLL_WAIT) {
1584 gdt_wait_index = ctx.istatus;
1587 if (ctx.istatus == GDT_ASYNCINDEX) {
1588 gdt_async_event(gdt, ctx.service);
1589 if (!(gdt->sc_state & GDT_POLLING))
1593 if (ctx.istatus == GDT_SPEZINDEX) {
1594 GDT_DPRINTF(GDT_D_INVALID,
1595 ("iir%d: Service unknown or not initialized!\n",
1597 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1598 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1599 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr);
1600 if (!(gdt->sc_state & GDT_POLLING))
1605 gccb = &gdt->sc_gccbs[ctx.istatus - 2];
1606 ctx.service = gccb->gc_service;
1608 switch (gccb->gc_flags) {
1609 case GDT_GCF_UNUSED:
1610 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n",
1611 gdt->sc_hanum, ctx.istatus));
1612 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1613 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1614 gdt->sc_dvr.eu.driver.index = ctx.istatus;
1615 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr);
1616 gdt_free_ccb(gdt, gccb);
1619 case GDT_GCF_INTERNAL:
1620 if (!(gdt->sc_state & GDT_POLLING))
1625 ucmd = gccb->gc_ucmd;
1626 if (gdt->sc_status == GDT_S_BSY) {
1627 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n",
1629 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
1630 if (!(gdt->sc_state & GDT_POLLING))
1633 ucmd->status = gdt->sc_status;
1634 ucmd->info = gdt->sc_info;
1635 ucmd->complete_flag = TRUE;
1636 if (ucmd->service == GDT_CACHESERVICE) {
1637 if (ucmd->OpCode == GDT_IOCTL) {
1638 cnt = ucmd->u.ioctl.param_size;
1640 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1642 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1644 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1647 cnt = ucmd->u.raw.sdlen;
1649 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1650 if (ucmd->u.raw.sense_len != 0)
1651 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1653 gdt_free_ccb(gdt, gccb);
1654 if (!(gdt->sc_state & GDT_POLLING))
1663 gdt_free_ccb(gdt, gccb);
1664 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb);
1665 if (!(gdt->sc_state & GDT_POLLING))
1673 gdt_async_event(struct gdt_softc *gdt, int service)
1675 struct gdt_ccb *gccb;
1677 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service));
1679 if (service == GDT_SCREENSERVICE) {
1680 if (gdt->sc_status == GDT_MSG_REQUEST) {
1681 while (gdt->sc_test_busy(gdt))
1683 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1684 gccb = gdt_get_ccb(gdt);
1686 printf("iir%d: No free command index found\n",
1690 gccb->gc_service = service;
1691 gccb->gc_flags = GDT_GCF_SCREEN;
1692 gdt->sc_set_sema0(gdt);
1693 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1694 gccb->gc_cmd_index);
1695 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ);
1696 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1697 GDT_MSG_INV_HANDLE);
1698 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1699 gdt_ccb_vtop(gdt, gccb) +
1700 offsetof(struct gdt_ccb, gc_scratch[0]));
1701 gdt->sc_cmd_off = 0;
1702 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1704 gdt->sc_cmd_cnt = 0;
1705 gdt->sc_copy_cmd(gdt, gccb);
1706 printf("iir%d: [PCI %d/%d] ",
1707 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot);
1708 gdt->sc_release_event(gdt);
1712 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) {
1713 gdt->sc_dvr.size = 0;
1714 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1715 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1716 /* severity and event_string already set! */
1718 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async);
1719 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1720 gdt->sc_dvr.eu.async.service = service;
1721 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1722 gdt->sc_dvr.eu.async.info = gdt->sc_info;
1723 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2;
1725 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr);
1726 printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string);
1733 gdt_sync_event(struct gdt_softc *gdt, int service,
1734 u_int8_t index, struct gdt_ccb *gccb)
1737 bus_dmasync_op_t op;
1739 GDT_DPRINTF(GDT_D_INTR,
1740 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb));
1744 if (service == GDT_SCREENSERVICE) {
1747 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN);
1749 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1750 gccb->gc_scratch[GDT_SCR_MSG_EXT])) {
1751 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0';
1752 printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]);
1755 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] &&
1756 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) {
1757 while (gdt->sc_test_busy(gdt))
1759 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1760 gccb = gdt_get_ccb(gdt);
1762 printf("iir%d: No free command index found\n",
1766 gccb->gc_service = service;
1767 gccb->gc_flags = GDT_GCF_SCREEN;
1768 gdt->sc_set_sema0(gdt);
1769 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1770 gccb->gc_cmd_index);
1771 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ);
1772 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1773 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1774 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1775 gdt_ccb_vtop(gdt, gccb) +
1776 offsetof(struct gdt_ccb, gc_scratch[0]));
1777 gdt->sc_cmd_off = 0;
1778 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1780 gdt->sc_cmd_cnt = 0;
1781 gdt->sc_copy_cmd(gdt, gccb);
1782 gdt->sc_release_event(gdt);
1786 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1787 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) {
1788 /* default answers (getchar() not possible) */
1789 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) {
1790 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0);
1791 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1);
1792 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0;
1794 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN,
1795 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2);
1796 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2);
1797 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1;
1798 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0;
1800 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0;
1801 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0;
1802 while (gdt->sc_test_busy(gdt))
1804 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1805 gccb = gdt_get_ccb(gdt);
1807 printf("iir%d: No free command index found\n",
1811 gccb->gc_service = service;
1812 gccb->gc_flags = GDT_GCF_SCREEN;
1813 gdt->sc_set_sema0(gdt);
1814 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1815 gccb->gc_cmd_index);
1816 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
1817 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1818 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1819 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1820 gdt_ccb_vtop(gdt, gccb) +
1821 offsetof(struct gdt_ccb, gc_scratch[0]));
1822 gdt->sc_cmd_off = 0;
1823 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1825 gdt->sc_cmd_cnt = 0;
1826 gdt->sc_copy_cmd(gdt, gccb);
1827 gdt->sc_release_event(gdt);
1833 callout_stop(&ccb->ccb_h.timeout_ch);
1834 if (gdt->sc_status == GDT_S_BSY) {
1835 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n",
1837 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1838 ++gdt_stat.req_queue_act;
1839 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1840 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1844 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1845 op = BUS_DMASYNC_POSTREAD;
1847 op = BUS_DMASYNC_POSTWRITE;
1848 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op);
1850 ccb->csio.resid = 0;
1851 if (gdt->sc_status == GDT_S_OK) {
1852 ccb->ccb_h.status = CAM_REQ_CMP;
1855 if (gccb->gc_service == GDT_CACHESERVICE) {
1856 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1857 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1858 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
1859 ccb->csio.sense_data.error_code =
1860 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID;
1861 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY;
1863 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync);
1864 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum;
1865 gdt->sc_dvr.eu.sync.service = service;
1866 gdt->sc_dvr.eu.sync.status = gdt->sc_status;
1867 gdt->sc_dvr.eu.sync.info = gdt->sc_info;
1868 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id;
1869 if (gdt->sc_status >= 0x8000)
1870 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr);
1872 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr);
1875 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) {
1876 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1878 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID;
1879 ccb->csio.scsi_status = gdt->sc_info;
1880 bcopy(gccb->gc_scratch, &ccb->csio.sense_data,
1881 ccb->csio.sense_len);
1885 --gdt_stat.io_count_act;
1891 /* Controller event handling functions */
1892 gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx,
1898 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx));
1899 if (source == 0) /* no source -> no event */
1902 if (ebuffer[elastidx].event_source == source &&
1903 ebuffer[elastidx].event_idx == idx &&
1904 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
1905 !memcmp((char *)&ebuffer[elastidx].event_data.eu,
1906 (char *)&evt->eu, evt->size)) ||
1907 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
1908 !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
1909 (char *)&evt->event_string)))) {
1910 e = &ebuffer[elastidx];
1912 e->last_stamp = tv.tv_sec;
1915 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
1917 if (elastidx == GDT_MAX_EVENTS)
1919 if (elastidx == eoldidx) { /* reached mark ? */
1921 if (eoldidx == GDT_MAX_EVENTS)
1925 e = &ebuffer[elastidx];
1926 e->event_source = source;
1929 e->first_stamp = e->last_stamp = tv.tv_sec;
1931 e->event_data = *evt;
1937 int gdt_read_event(int handle, gdt_evt_str *estr)
1942 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle));
1948 estr->event_source = 0;
1950 if (eindex >= GDT_MAX_EVENTS) {
1954 e = &ebuffer[eindex];
1955 if (e->event_source != 0) {
1956 if (eindex != elastidx) {
1957 if (++eindex == GDT_MAX_EVENTS)
1962 memcpy(estr, e, sizeof(gdt_evt_str));
1968 void gdt_readapp_event(u_int8_t application, gdt_evt_str *estr)
1974 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application));
1978 e = &ebuffer[eindex];
1979 if (e->event_source == 0)
1981 if ((e->application & application) == 0) {
1982 e->application |= application;
1986 if (eindex == elastidx)
1988 if (++eindex == GDT_MAX_EVENTS)
1992 memcpy(estr, e, sizeof(gdt_evt_str));
1994 estr->event_source = 0;
1998 void gdt_clear_events()
2000 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n"));
2002 eoldidx = elastidx = 0;
2003 ebuffer[0].event_source = 0;