2 * Copyright (c) 2000-04 ICP vortex GmbH
3 * Copyright (c) 2002-04 Intel Corporation
4 * Copyright (c) 2003-04 Adaptec Inc.
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@adaptec.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.
42 * $Id: iir.c 1.5 2004/03/30 10:17:53 achim Exp $"
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
50 /* #include "opt_iir.h" */
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/endian.h>
54 #include <sys/eventhandler.h>
55 #include <sys/malloc.h>
56 #include <sys/kernel.h>
59 #include <machine/bus.h>
60 #include <machine/stdarg.h>
63 #include <cam/cam_ccb.h>
64 #include <cam/cam_sim.h>
65 #include <cam/cam_xpt_sim.h>
66 #include <cam/cam_debug.h>
67 #include <cam/scsi/scsi_all.h>
68 #include <cam/scsi/scsi_message.h>
70 #include <dev/iir/iir.h>
72 MALLOC_DEFINE(M_GDTBUF, "iirbuf", "iir driver buffer");
74 struct gdt_softc *gdt_wait_gdt;
78 int gdt_debug = GDT_DEBUG;
80 #define MAX_SERBUF 160
81 static void ser_init(void);
82 static void ser_puts(char *str);
83 static void ser_putc(int c);
84 static char strbuf[MAX_SERBUF+1];
86 #define COM_BASE 0x2f8
88 #define COM_BASE 0x3f8
90 static void ser_init()
92 unsigned port=COM_BASE;
96 /* 19200 Baud, if 9600: outb(12,port) */
102 static void ser_puts(char *str)
107 for (ptr=str;*ptr;++ptr)
108 ser_putc((int)(*ptr));
111 static void ser_putc(int c)
113 unsigned port=COM_BASE;
115 while ((inb(port+5) & 0x20)==0);
119 while ((inb(port+5) & 0x20)==0);
124 int ser_printf(const char *fmt, ...)
130 i = vsprintf(strbuf,fmt,args);
138 /* The linked list of softc structures */
139 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs);
140 /* controller cnt. */
143 static gdt_evt_str ebuffer[GDT_MAX_EVENTS];
144 static int elastidx, eoldidx;
146 gdt_statist_t gdt_stat;
148 /* Definitions for our use of the SIM private CCB area */
149 #define ccb_sim_ptr spriv_ptr0
150 #define ccb_priority spriv_field1
152 static void iir_action(struct cam_sim *sim, union ccb *ccb);
153 static void iir_poll(struct cam_sim *sim);
154 static void iir_shutdown(void *arg, int howto);
155 static void iir_timeout(void *arg);
157 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads,
159 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
160 u_int8_t service, u_int16_t opcode,
161 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3);
162 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb,
165 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt);
167 static int gdt_sync_event(struct gdt_softc *gdt, int service,
168 u_int8_t index, struct gdt_ccb *gccb);
169 static int gdt_async_event(struct gdt_softc *gdt, int service);
170 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt,
171 union ccb *ccb, int *lock);
172 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt,
173 union ccb *ccb, int *lock);
174 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt,
175 gdt_ucmd_t *ucmd, int *lock);
176 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb);
178 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs,
179 int nseg, int error);
180 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs,
181 int nseg, int error);
184 iir_init(struct gdt_softc *gdt)
187 int i, id, drv_cyls, drv_hds, drv_secs;
188 struct gdt_ccb *gccb;
190 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n"));
192 gdt->sc_state = GDT_POLLING;
194 bzero(&gdt_stat, sizeof(gdt_statist_t));
196 SLIST_INIT(&gdt->sc_free_gccb);
197 SLIST_INIT(&gdt->sc_pending_gccb);
198 TAILQ_INIT(&gdt->sc_ccb_queue);
199 TAILQ_INIT(&gdt->sc_ucmd_queue);
200 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links);
202 /* DMA tag for mapping buffers into device visible space. */
203 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
204 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
205 /*highaddr*/BUS_SPACE_MAXADDR,
206 /*filter*/NULL, /*filterarg*/NULL,
207 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG,
208 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
209 /*flags*/BUS_DMA_ALLOCNOW,
210 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
211 &gdt->sc_buffer_dmat) != 0) {
212 printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n",
216 gdt->sc_init_level++;
218 /* DMA tag for our ccb structures */
219 if (bus_dma_tag_create(gdt->sc_parent_dmat,
222 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
223 /*highaddr*/BUS_SPACE_MAXADDR,
226 GDT_MAXCMDS * GDT_SCRATCH_SZ, /* maxsize */
228 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
229 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
230 /*lockarg*/&Giant, &gdt->sc_gcscratch_dmat) != 0) {
231 printf("iir%d: bus_dma_tag_create(...,gdt->sc_gcscratch_dmat) failed\n",
235 gdt->sc_init_level++;
237 /* Allocation for our ccb scratch area */
238 if (bus_dmamem_alloc(gdt->sc_gcscratch_dmat, (void **)&gdt->sc_gcscratch,
239 BUS_DMA_NOWAIT, &gdt->sc_gcscratch_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_gcscratch_dmat, gdt->sc_gcscratch_dmamap,
248 gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ,
249 gdtmapmem, &gdt->sc_gcscratch_busbase, /*flags*/0);
250 gdt->sc_init_level++;
252 /* Clear them out. */
253 bzero(gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ);
255 /* Initialize the ccbs */
256 gdt->sc_gccbs = malloc(sizeof(struct gdt_ccb) * GDT_MAXCMDS, M_GDTBUF,
258 if (gdt->sc_gccbs == NULL) {
259 printf("iir%d: no memory for gccbs.\n", gdt->sc_hanum);
262 for (i = GDT_MAXCMDS-1; i >= 0; i--) {
263 gccb = &gdt->sc_gccbs[i];
264 gccb->gc_cmd_index = i + 2;
265 gccb->gc_flags = GDT_GCF_UNUSED;
266 gccb->gc_map_flag = FALSE;
267 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0,
268 &gccb->gc_dmamap) != 0)
270 gccb->gc_map_flag = TRUE;
271 gccb->gc_scratch = &gdt->sc_gcscratch[GDT_SCRATCH_SZ * i];
272 gccb->gc_scratch_busbase = gdt->sc_gcscratch_busbase + GDT_SCRATCH_SZ * i;
273 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
275 gdt->sc_init_level++;
277 /* create the control device */
278 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum);
280 /* allocate ccb for gdt_internal_cmd() */
281 gccb = gdt_get_ccb(gdt);
283 printf("iir%d: No free command index found\n",
287 bzero(gccb->gc_cmd, GDT_CMD_SZ);
289 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT,
291 printf("iir%d: Screen service initialization error %d\n",
292 gdt->sc_hanum, gdt->sc_status);
293 gdt_free_ccb(gdt, gccb);
297 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO,
300 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
301 GDT_LINUX_OS, 0, 0)) {
302 printf("iir%d: Cache service initialization error %d\n",
303 gdt->sc_hanum, gdt->sc_status);
304 gdt_free_ccb(gdt, gccb);
307 cdev_cnt = (u_int16_t)gdt->sc_info;
308 gdt->sc_fw_vers = gdt->sc_service;
310 /* Detect number of buses */
311 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST);
312 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS;
313 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0;
314 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1;
315 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ);
316 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
317 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL,
318 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) {
319 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT];
320 for (i = 0; i < gdt->sc_bus_cnt; i++) {
321 id = gccb->gc_scratch[GDT_IOC_HDR_SZ +
322 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID];
323 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff;
326 /* New method failed, use fallback. */
327 for (i = 0; i < GDT_MAXBUS; i++) {
328 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i);
329 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
330 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN,
331 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL,
334 printf("iir%d: Cannot get channel count, "
335 "error %d\n", gdt->sc_hanum, gdt->sc_status);
336 gdt_free_ccb(gdt, gccb);
342 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ?
343 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff;
347 /* add one "virtual" channel for the host drives */
348 gdt->sc_virt_bus = gdt->sc_bus_cnt;
351 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT,
353 printf("iir%d: Raw service initialization error %d\n",
354 gdt->sc_hanum, gdt->sc_status);
355 gdt_free_ccb(gdt, gccb);
359 /* Set/get features raw service (scatter/gather) */
360 gdt->sc_raw_feat = 0;
361 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT,
362 GDT_SCATTER_GATHER, 0, 0)) {
363 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT,
365 gdt->sc_raw_feat = gdt->sc_info;
366 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
367 panic("iir%d: Scatter/Gather Raw Service "
368 "required but not supported!\n", gdt->sc_hanum);
369 gdt_free_ccb(gdt, gccb);
375 /* Set/get features cache service (scatter/gather) */
376 gdt->sc_cache_feat = 0;
377 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT,
378 0, GDT_SCATTER_GATHER, 0)) {
379 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT,
381 gdt->sc_cache_feat = gdt->sc_info;
382 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
383 panic("iir%d: Scatter/Gather Cache Service "
384 "required but not supported!\n", gdt->sc_hanum);
385 gdt_free_ccb(gdt, gccb);
392 gdt_enc32(gccb->gc_scratch + GDT_OEM_VERSION, 0x01);
393 gdt_enc32(gccb->gc_scratch + GDT_OEM_BUFSIZE, sizeof(gdt_oem_record_t));
394 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
395 GDT_OEM_STR_RECORD, GDT_INVALID_CHANNEL,
396 sizeof(gdt_oem_str_record_t))) {
397 strncpy(gdt->oem_name, ((gdt_oem_str_record_t *)
398 gccb->gc_scratch)->text.scsi_host_drive_inquiry_vendor_id, 7);
399 gdt->oem_name[7]='\0';
401 /* Old method, based on PCI ID */
402 if (gdt->sc_vendor == INTEL_VENDOR_ID)
403 strcpy(gdt->oem_name,"Intel ");
405 strcpy(gdt->oem_name,"ICP ");
408 /* Scan for cache devices */
409 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) {
410 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO,
412 gdt->sc_hdr[i].hd_present = 1;
413 gdt->sc_hdr[i].hd_size = gdt->sc_info;
416 * Evaluate mapping (sectors per head, heads per cyl)
418 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32;
419 if (gdt->sc_info2 == 0)
420 gdt_eval_mapping(gdt->sc_hdr[i].hd_size,
421 &drv_cyls, &drv_hds, &drv_secs);
423 drv_hds = gdt->sc_info2 & 0xff;
424 drv_secs = (gdt->sc_info2 >> 8) & 0xff;
425 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds /
428 gdt->sc_hdr[i].hd_heads = drv_hds;
429 gdt->sc_hdr[i].hd_secs = drv_secs;
431 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs;
433 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE,
434 GDT_DEVTYPE, i, 0, 0))
435 gdt->sc_hdr[i].hd_devtype = gdt->sc_info;
439 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n",
441 gdt->sc_bus_cnt, cdev_cnt,
442 cdev_cnt == 1 ? "" : "s"));
443 gdt_free_ccb(gdt, gccb);
450 iir_free(struct gdt_softc *gdt)
454 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n"));
456 switch (gdt->sc_init_level) {
458 gdt_destroy_dev(gdt->sc_dev);
460 for (i = GDT_MAXCMDS-1; i >= 0; i--)
461 if (gdt->sc_gccbs[i].gc_map_flag)
462 bus_dmamap_destroy(gdt->sc_buffer_dmat,
463 gdt->sc_gccbs[i].gc_dmamap);
464 bus_dmamap_unload(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap);
465 free(gdt->sc_gccbs, M_GDTBUF);
467 bus_dmamem_free(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch, gdt->sc_gcscratch_dmamap);
469 bus_dma_tag_destroy(gdt->sc_gcscratch_dmat);
471 bus_dma_tag_destroy(gdt->sc_buffer_dmat);
473 bus_dma_tag_destroy(gdt->sc_parent_dmat);
477 TAILQ_REMOVE(&gdt_softcs, gdt, links);
481 iir_attach(struct gdt_softc *gdt)
483 struct cam_devq *devq;
486 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n"));
489 * Create the device queue for our SIM.
490 * XXX Throttle this down since the card has problems under load.
492 devq = cam_simq_alloc(32);
496 for (i = 0; i < gdt->sc_bus_cnt; i++) {
498 * Construct our SIM entry
500 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir",
501 gdt, gdt->sc_hanum, &Giant,
503 /*tagged*/GDT_MAXCMDS, devq);
504 if (xpt_bus_register(gdt->sims[i], gdt->sc_devnode, i) != CAM_SUCCESS) {
505 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0);
509 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL,
510 cam_sim_path(gdt->sims[i]),
512 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
513 xpt_bus_deregister(cam_sim_path(gdt->sims[i]));
514 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0);
519 EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown,
520 gdt, SHUTDOWN_PRI_DEFAULT);
521 /* iir_watchdog(gdt); */
522 gdt->sc_state = GDT_NORMAL;
526 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs)
528 *cyls = size / GDT_HEADS / GDT_SECS;
529 if (*cyls < GDT_MAXCYLS) {
533 /* Too high for 64 * 32 */
534 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS;
535 if (*cyls < GDT_MAXCYLS) {
536 *heads = GDT_MEDHEADS;
539 /* Too high for 127 * 63 */
540 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS;
541 *heads = GDT_BIGHEADS;
548 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb,
553 GDT_DPRINTF(GDT_D_INIT,
554 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout));
556 gdt->sc_state |= GDT_POLL_WAIT;
559 if (gdt == gdt_wait_gdt &&
560 gccb->gc_cmd_index == gdt_wait_index) {
566 gdt->sc_state &= ~GDT_POLL_WAIT;
568 while (gdt->sc_test_busy(gdt))
569 DELAY(1); /* XXX correct? */
575 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
576 u_int8_t service, u_int16_t opcode,
577 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
581 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n",
582 gdt, service, opcode, arg1, arg2, arg3));
584 bzero(gccb->gc_cmd, GDT_CMD_SZ);
586 for (retries = GDT_RETRIES; ; ) {
587 gccb->gc_service = service;
588 gccb->gc_flags = GDT_GCF_INTERNAL;
590 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
592 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
595 case GDT_CACHESERVICE:
596 if (opcode == GDT_IOCTL) {
597 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
598 GDT_IOCTL_SUBFUNC, arg1);
599 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
600 GDT_IOCTL_CHANNEL, arg2);
601 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
602 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3);
603 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
604 gccb->gc_scratch_busbase);
606 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
607 GDT_CACHE_DEVICENO, (u_int16_t)arg1);
608 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
609 GDT_CACHE_BLOCKNO, arg2);
613 case GDT_SCSIRAWSERVICE:
614 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
615 GDT_RAW_DIRECTION, arg1);
616 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
618 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
620 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
621 (u_int8_t)(arg3 >> 8);
624 gdt->sc_set_sema0(gdt);
625 gccb->gc_cmd_len = GDT_CMD_SZ;
628 gdt->sc_copy_cmd(gdt, gccb);
629 gdt->sc_release_event(gdt);
631 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT))
633 if (gdt->sc_status != GDT_S_BSY || --retries == 0)
637 return (gdt->sc_status == GDT_S_OK);
640 static struct gdt_ccb *
641 gdt_get_ccb(struct gdt_softc *gdt)
643 struct gdt_ccb *gccb;
646 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt));
649 gccb = SLIST_FIRST(&gdt->sc_free_gccb);
651 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle);
652 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle);
653 ++gdt_stat.cmd_index_act;
654 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max)
655 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act;
662 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb)
666 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb));
669 gccb->gc_flags = GDT_GCF_UNUSED;
670 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle);
671 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
672 --gdt_stat.cmd_index_act;
674 if (gdt->sc_state & GDT_SHUTDOWN)
679 gdt_next(struct gdt_softc *gdt)
685 int bus, target, lun;
688 struct ccb_scsiio *csio;
689 struct ccb_hdr *ccbh;
690 struct gdt_ccb *gccb = NULL;
693 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt));
696 if (gdt->sc_test_busy(gdt)) {
697 if (!(gdt->sc_state & GDT_POLLING)) {
701 while (gdt->sc_test_busy(gdt))
705 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0;
708 /* I/Os in queue? controller ready? */
709 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) &&
710 !TAILQ_FIRST(&gdt->sc_ccb_queue))
713 /* 1.: I/Os without ccb (IOCTLs) */
714 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue);
716 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links);
717 if ((gccb = gdt_ioctl_cmd(gdt, ucmd, &lock)) == NULL) {
718 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
722 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */
725 /* 2.: I/Os with ccb */
726 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue);
727 /* ist dann immer != NULL, da oben getestet */
728 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
729 bus = cam_sim_bus(sim);
730 target = ccb->ccb_h.target_id;
731 lun = ccb->ccb_h.target_lun;
733 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
734 --gdt_stat.req_queue_act;
735 /* ccb->ccb_h.func_code is XPT_SCSI_IO */
736 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n",
740 cmd = csio->cdb_io.cdb_bytes[0];
741 /* Max CDB length is 12 bytes */
742 if (csio->cdb_len > 12) {
743 ccbh->status = CAM_REQ_INVALID;
744 --gdt_stat.io_count_act;
746 } else if (bus != gdt->sc_virt_bus) {
747 /* raw service command */
748 if ((gccb = gdt_raw_cmd(gdt, ccb, &lock)) == NULL) {
749 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
751 ++gdt_stat.req_queue_act;
752 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
753 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
756 } else if (target >= GDT_MAX_HDRIVES ||
757 !gdt->sc_hdr[target].hd_present || lun != 0) {
758 ccbh->status = CAM_DEV_NOT_THERE;
759 --gdt_stat.io_count_act;
762 /* cache service command */
763 if (cmd == READ_6 || cmd == WRITE_6 ||
764 cmd == READ_10 || cmd == WRITE_10) {
765 if ((gccb = gdt_cache_cmd(gdt, ccb, &lock)) == NULL) {
766 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
768 ++gdt_stat.req_queue_act;
769 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
770 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
775 gdt_internal_cache_cmd(gdt, ccb);
779 if ((gdt->sc_state & GDT_POLLING) || !next_cmd)
782 if (gdt->sc_cmd_cnt > 0)
783 gdt->sc_release_event(gdt);
787 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) {
788 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT);
792 static struct gdt_ccb *
793 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock)
795 struct gdt_ccb *gccb;
798 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb));
800 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) +
801 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
802 gdt->sc_ic_all_size) {
803 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n",
808 gccb = gdt_get_ccb(gdt);
810 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n",
814 bzero(gccb->gc_cmd, GDT_CMD_SZ);
815 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
817 gccb->gc_service = GDT_SCSIRAWSERVICE;
818 gccb->gc_flags = GDT_GCF_SCSI;
820 if (gdt->sc_cmd_cnt == 0)
821 gdt->sc_set_sema0(gdt);
823 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
825 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
827 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
828 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
829 GDT_DATA_IN : GDT_DATA_OUT);
830 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
831 ccb->csio.dxfer_len);
832 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
834 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
836 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
837 ccb->ccb_h.target_id;
838 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
839 ccb->ccb_h.target_lun;
840 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
842 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
843 sizeof(struct scsi_sense_data));
844 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
845 gccb->gc_scratch_busbase);
848 * If we have any data to send with this command,
849 * map it into bus space.
851 /* Only use S/G if there is a transfer */
852 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
853 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
854 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
858 /* vorher unlock von splcam() ??? */
861 bus_dmamap_load(gdt->sc_buffer_dmat,
867 if (error == EINPROGRESS) {
868 xpt_freeze_simq(sim, 1);
869 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
873 panic("iir: CAM_DATA_PHYS not supported");
876 struct bus_dma_segment *segs;
878 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
879 panic("iir%d: iir_action - Physical "
880 "segment pointers unsupported", gdt->sc_hanum);
882 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
883 panic("iir%d: iir_action - Virtual "
884 "segment addresses unsupported", gdt->sc_hanum);
886 /* Just use the segments provided */
887 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
888 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
891 gdtexecuteccb(gccb, NULL, 0, 0);
898 static struct gdt_ccb *
899 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock)
901 struct gdt_ccb *gccb;
905 u_int32_t blockno, blockcnt;
907 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb));
909 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) +
910 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
911 gdt->sc_ic_all_size) {
912 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n",
917 gccb = gdt_get_ccb(gdt);
919 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
923 bzero(gccb->gc_cmd, GDT_CMD_SZ);
924 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
926 gccb->gc_service = GDT_CACHESERVICE;
927 gccb->gc_flags = GDT_GCF_SCSI;
929 if (gdt->sc_cmd_cnt == 0)
930 gdt->sc_set_sema0(gdt);
932 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
934 cmdp = ccb->csio.cdb_io.cdb_bytes;
935 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ;
936 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE)
937 opcode = GDT_WRITE_THR;
938 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
940 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
941 ccb->ccb_h.target_id);
942 if (ccb->csio.cdb_len == 6) {
943 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp;
944 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff);
945 blockcnt = rw->length ? rw->length : 0x100;
947 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp;
948 blockno = scsi_4btoul(rw->addr);
949 blockcnt = scsi_2btoul(rw->length);
951 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
953 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
957 * If we have any data to send with this command,
958 * map it into bus space.
960 /* Only use S/G if there is a transfer */
961 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
962 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
966 /* vorher unlock von splcam() ??? */
969 bus_dmamap_load(gdt->sc_buffer_dmat,
975 if (error == EINPROGRESS) {
976 xpt_freeze_simq(sim, 1);
977 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
981 panic("iir: CAM_DATA_PHYS not supported");
984 struct bus_dma_segment *segs;
986 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
987 panic("iir%d: iir_action - Physical "
988 "segment pointers unsupported", gdt->sc_hanum);
990 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
991 panic("iir%d: iir_action - Virtual "
992 "segment addresses unsupported", gdt->sc_hanum);
994 /* Just use the segments provided */
995 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
996 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
1003 static struct gdt_ccb *
1004 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd, int *lock)
1006 struct gdt_ccb *gccb;
1009 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd));
1011 gccb = gdt_get_ccb(gdt);
1013 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
1017 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1018 gccb->gc_ucmd = ucmd;
1019 gccb->gc_service = ucmd->service;
1020 gccb->gc_flags = GDT_GCF_IOCTL;
1022 /* check DPMEM space, copy data buffer from user space */
1023 if (ucmd->service == GDT_CACHESERVICE) {
1024 if (ucmd->OpCode == GDT_IOCTL) {
1025 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ,
1027 cnt = ucmd->u.ioctl.param_size;
1028 if (cnt > GDT_SCRATCH_SZ) {
1029 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1030 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1031 gdt_free_ccb(gdt, gccb);
1035 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1036 GDT_SG_SZ, sizeof(u_int32_t));
1037 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1038 if (cnt > GDT_SCRATCH_SZ) {
1039 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1040 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1041 gdt_free_ccb(gdt, gccb);
1046 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1047 GDT_SG_SZ, sizeof(u_int32_t));
1048 cnt = ucmd->u.raw.sdlen;
1049 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) {
1050 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1051 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len);
1052 gdt_free_ccb(gdt, gccb);
1057 bcopy(ucmd->data, gccb->gc_scratch, cnt);
1059 if (gdt->sc_cmd_off + gccb->gc_cmd_len + GDT_DPMEM_COMMAND_OFFSET >
1060 gdt->sc_ic_all_size) {
1061 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n",
1063 gdt_free_ccb(gdt, gccb);
1067 if (gdt->sc_cmd_cnt == 0)
1068 gdt->sc_set_sema0(gdt);
1071 /* fill cmd structure */
1072 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1073 gccb->gc_cmd_index);
1074 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE,
1077 if (ucmd->service == GDT_CACHESERVICE) {
1078 if (ucmd->OpCode == GDT_IOCTL) {
1080 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE,
1081 ucmd->u.ioctl.param_size);
1082 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC,
1083 ucmd->u.ioctl.subfunc);
1084 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL,
1085 ucmd->u.ioctl.channel);
1086 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
1087 gccb->gc_scratch_busbase);
1089 /* cache service command */
1090 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
1091 ucmd->u.cache.DeviceNo);
1092 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
1093 ucmd->u.cache.BlockNo);
1094 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
1095 ucmd->u.cache.BlockCnt);
1096 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1098 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1100 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1101 GDT_SG_PTR, gccb->gc_scratch_busbase);
1102 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1103 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE);
1106 /* raw service command */
1107 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
1108 ucmd->u.raw.direction);
1109 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1111 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
1113 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
1115 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
1117 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
1119 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
1121 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
1123 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
1124 ucmd->u.raw.sense_len);
1125 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
1126 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen);
1127 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1129 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1130 GDT_SG_PTR, gccb->gc_scratch_busbase);
1131 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1132 GDT_SG_LEN, ucmd->u.raw.sdlen);
1136 gdt_stat.sg_count_act = 1;
1137 gdt->sc_copy_cmd(gdt, gccb);
1142 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb)
1146 t = ccb->ccb_h.target_id;
1147 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n",
1148 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t));
1150 switch (ccb->csio.cdb_io.cdb_bytes[0]) {
1151 case TEST_UNIT_READY:
1155 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n"));
1159 struct scsi_inquiry_data inq;
1160 size_t copylen = MIN(sizeof(inq), ccb->csio.dxfer_len);
1162 bzero(&inq, sizeof(inq));
1163 inq.device = (gdt->sc_hdr[t].hd_devtype & 4) ?
1165 inq.dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0;
1166 inq.version = SCSI_REV_2;
1167 inq.response_format = 2;
1168 inq.additional_length = 32;
1169 inq.flags = SID_CmdQue | SID_Sync;
1170 strncpy(inq.vendor, gdt->oem_name, sizeof(inq.vendor));
1171 snprintf(inq.product, sizeof(inq.product),
1172 "Host Drive #%02d", t);
1173 strncpy(inq.revision, " ", sizeof(inq.revision));
1174 bcopy(&inq, ccb->csio.data_ptr, copylen );
1175 if( ccb->csio.dxfer_len > copylen )
1176 bzero( ccb->csio.data_ptr+copylen,
1177 ccb->csio.dxfer_len - copylen );
1183 struct scsi_mode_hdr_6 hd;
1184 struct scsi_mode_block_descr bd;
1185 struct scsi_control_page cp;
1187 size_t copylen = MIN(sizeof(mpd), ccb->csio.dxfer_len);
1190 /*mpd = (struct mpd_data *)ccb->csio.data_ptr;*/
1191 bzero(&mpd, sizeof(mpd));
1192 mpd.hd.datalen = sizeof(struct scsi_mode_hdr_6) +
1193 sizeof(struct scsi_mode_block_descr);
1194 mpd.hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0;
1195 mpd.hd.block_descr_len = sizeof(struct scsi_mode_block_descr);
1196 mpd.bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16;
1197 mpd.bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8;
1198 mpd.bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff);
1200 bcopy(&mpd, ccb->csio.data_ptr, copylen );
1201 if( ccb->csio.dxfer_len > copylen )
1202 bzero( ccb->csio.data_ptr+copylen,
1203 ccb->csio.dxfer_len - copylen );
1204 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page;
1207 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page));
1214 struct scsi_read_capacity_data rcd;
1215 size_t copylen = MIN(sizeof(rcd), ccb->csio.dxfer_len);
1217 /*rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;*/
1218 bzero(&rcd, sizeof(rcd));
1219 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd.addr);
1220 scsi_ulto4b(GDT_SECTOR_SIZE, rcd.length);
1221 bcopy(&rcd, ccb->csio.data_ptr, copylen );
1222 if( ccb->csio.dxfer_len > copylen )
1223 bzero( ccb->csio.data_ptr+copylen,
1224 ccb->csio.dxfer_len - copylen );
1228 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n",
1229 ccb->csio.cdb_io.cdb_bytes[0]));
1232 ccb->ccb_h.status |= CAM_REQ_CMP;
1233 --gdt_stat.io_count_act;
1238 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1240 bus_addr_t *busaddrp;
1242 busaddrp = (bus_addr_t *)arg;
1243 *busaddrp = dm_segs->ds_addr;
1247 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1249 struct gdt_ccb *gccb;
1251 struct gdt_softc *gdt;
1256 gccb = (struct gdt_ccb *)arg;
1258 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr);
1260 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n",
1261 gdt, gccb, dm_segs, nseg, error));
1262 gdt_stat.sg_count_act = nseg;
1263 if (nseg > gdt_stat.sg_count_max)
1264 gdt_stat.sg_count_max = nseg;
1266 /* Copy the segments into our SG list */
1267 if (gccb->gc_service == GDT_CACHESERVICE) {
1268 for (i = 0; i < nseg; ++i) {
1269 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1270 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1271 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1272 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1275 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1277 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1280 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1281 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1283 for (i = 0; i < nseg; ++i) {
1284 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1285 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1286 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1287 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1290 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1292 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1295 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1296 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1300 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1301 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1302 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
1305 /* We must NOT abort the command here if CAM_REQ_INPROG is not set,
1306 * because command semaphore is already set!
1309 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1310 /* timeout handling */
1311 ccb->ccb_h.timeout_ch =
1312 timeout(iir_timeout, (caddr_t)gccb,
1313 (ccb->ccb_h.timeout * hz) / 1000);
1315 gdt->sc_copy_cmd(gdt, gccb);
1321 iir_action( struct cam_sim *sim, union ccb *ccb )
1323 struct gdt_softc *gdt;
1324 int lock, bus, target, lun;
1326 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1327 ccb->ccb_h.ccb_sim_ptr = sim;
1328 bus = cam_sim_bus(sim);
1329 target = ccb->ccb_h.target_id;
1330 lun = ccb->ccb_h.target_lun;
1331 GDT_DPRINTF(GDT_D_CMD,
1332 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n",
1333 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0],
1335 ++gdt_stat.io_count_act;
1336 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
1337 gdt_stat.io_count_max = gdt_stat.io_count_act;
1339 switch (ccb->ccb_h.func_code) {
1342 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1343 ++gdt_stat.req_queue_act;
1344 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1345 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1349 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1350 case XPT_ABORT: /* Abort the specified CCB */
1352 ccb->ccb_h.status = CAM_REQ_INVALID;
1353 --gdt_stat.io_count_act;
1356 case XPT_SET_TRAN_SETTINGS:
1357 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1358 --gdt_stat.io_count_act;
1361 case XPT_GET_TRAN_SETTINGS:
1362 /* Get default/user set transfer settings for the target */
1364 struct ccb_trans_settings *cts = &ccb->cts;
1365 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
1366 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
1368 cts->protocol = PROTO_SCSI;
1369 cts->protocol_version = SCSI_REV_2;
1370 cts->transport = XPORT_SPI;
1371 cts->transport_version = 2;
1373 if (cts->type == CTS_TYPE_USER_SETTINGS) {
1374 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
1375 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1376 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
1377 spi->sync_period = 25; /* 10MHz */
1378 if (spi->sync_period != 0)
1379 spi->sync_offset = 15;
1381 spi->valid = CTS_SPI_VALID_SYNC_RATE
1382 | CTS_SPI_VALID_SYNC_OFFSET
1383 | CTS_SPI_VALID_BUS_WIDTH
1384 | CTS_SPI_VALID_DISC;
1385 scsi->valid = CTS_SCSI_VALID_TQ;
1386 ccb->ccb_h.status = CAM_REQ_CMP;
1388 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1390 --gdt_stat.io_count_act;
1394 case XPT_CALC_GEOMETRY:
1396 struct ccb_calc_geometry *ccg;
1397 u_int32_t secs_per_cylinder;
1400 ccg->heads = gdt->sc_hdr[target].hd_heads;
1401 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs;
1402 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1403 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1404 ccb->ccb_h.status = CAM_REQ_CMP;
1405 --gdt_stat.io_count_act;
1409 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1412 ccb->ccb_h.status = CAM_REQ_CMP;
1413 --gdt_stat.io_count_act;
1417 case XPT_TERM_IO: /* Terminate the I/O process */
1419 ccb->ccb_h.status = CAM_REQ_INVALID;
1420 --gdt_stat.io_count_act;
1423 case XPT_PATH_INQ: /* Path routing inquiry */
1425 struct ccb_pathinq *cpi = &ccb->cpi;
1427 cpi->version_num = 1;
1428 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
1429 cpi->hba_inquiry |= PI_WIDE_16;
1430 cpi->target_sprt = 1;
1432 cpi->hba_eng_cnt = 0;
1433 if (bus == gdt->sc_virt_bus)
1434 cpi->max_target = GDT_MAX_HDRIVES - 1;
1435 else if (gdt->sc_class & GDT_FC)
1436 cpi->max_target = GDT_MAXID_FC - 1;
1438 cpi->max_target = GDT_MAXID - 1;
1440 cpi->unit_number = cam_sim_unit(sim);
1443 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]);
1444 cpi->base_transfer_speed = 3300;
1445 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1446 if (gdt->sc_vendor == INTEL_VENDOR_ID)
1447 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
1449 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN);
1450 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1451 cpi->transport = XPORT_SPI;
1452 cpi->transport_version = 2;
1453 cpi->protocol = PROTO_SCSI;
1454 cpi->protocol_version = SCSI_REV_2;
1455 cpi->ccb_h.status = CAM_REQ_CMP;
1456 --gdt_stat.io_count_act;
1461 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n",
1462 gdt, ccb->ccb_h.func_code));
1463 ccb->ccb_h.status = CAM_REQ_INVALID;
1464 --gdt_stat.io_count_act;
1471 iir_poll( struct cam_sim *sim )
1473 struct gdt_softc *gdt;
1475 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1476 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt));
1481 iir_timeout(void *arg)
1483 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb));
1487 iir_shutdown( void *arg, int howto )
1489 struct gdt_softc *gdt;
1490 struct gdt_ccb *gccb;
1494 gdt = (struct gdt_softc *)arg;
1495 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto));
1497 printf("iir%d: Flushing all Host Drives. Please wait ... ",
1500 /* allocate ucmd buffer */
1501 ucmd = malloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_NOWAIT);
1503 printf("iir%d: iir_shutdown(): Cannot allocate resource\n",
1507 bzero(ucmd, sizeof(gdt_ucmd_t));
1509 /* wait for pending IOs */
1511 gdt->sc_state = GDT_SHUTDOWN;
1513 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL)
1514 (void) tsleep((void *)gccb, PCATCH | PRIBIO, "iirshw", 100 * hz);
1517 for (i = 0; i < GDT_MAX_HDRIVES; ++i) {
1518 if (gdt->sc_hdr[i].hd_present) {
1519 ucmd->service = GDT_CACHESERVICE;
1520 ucmd->OpCode = GDT_FLUSH;
1521 ucmd->u.cache.DeviceNo = i;
1523 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
1524 ucmd->complete_flag = FALSE;
1527 if (!ucmd->complete_flag)
1528 (void) tsleep((void *)ucmd, PCATCH|PRIBIO, "iirshw", 10*hz);
1532 free(ucmd, M_DEVBUF);
1539 struct gdt_softc *gdt = arg;
1540 struct gdt_intr_ctx ctx;
1542 struct gdt_ccb *gccb;
1546 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt));
1548 /* If polling and we were not called from gdt_wait, just return */
1549 if ((gdt->sc_state & GDT_POLLING) &&
1550 !(gdt->sc_state & GDT_POLL_WAIT))
1553 if (!(gdt->sc_state & GDT_POLLING))
1557 ctx.istatus = gdt->sc_get_status(gdt);
1558 if (ctx.istatus == 0x00) {
1559 if (!(gdt->sc_state & GDT_POLLING))
1561 gdt->sc_status = GDT_S_NO_STATUS;
1565 gdt->sc_intr(gdt, &ctx);
1567 gdt->sc_status = ctx.cmd_status;
1568 gdt->sc_service = ctx.service;
1569 gdt->sc_info = ctx.info;
1570 gdt->sc_info2 = ctx.info2;
1572 if (gdt->sc_state & GDT_POLL_WAIT) {
1574 gdt_wait_index = ctx.istatus;
1577 if (ctx.istatus == GDT_ASYNCINDEX) {
1578 gdt_async_event(gdt, ctx.service);
1579 if (!(gdt->sc_state & GDT_POLLING))
1583 if (ctx.istatus == GDT_SPEZINDEX) {
1584 GDT_DPRINTF(GDT_D_INVALID,
1585 ("iir%d: Service unknown or not initialized!\n",
1587 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1588 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1589 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr);
1590 if (!(gdt->sc_state & GDT_POLLING))
1595 gccb = &gdt->sc_gccbs[ctx.istatus - 2];
1596 ctx.service = gccb->gc_service;
1598 switch (gccb->gc_flags) {
1599 case GDT_GCF_UNUSED:
1600 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n",
1601 gdt->sc_hanum, ctx.istatus));
1602 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1603 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1604 gdt->sc_dvr.eu.driver.index = ctx.istatus;
1605 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr);
1606 gdt_free_ccb(gdt, gccb);
1609 case GDT_GCF_INTERNAL:
1610 if (!(gdt->sc_state & GDT_POLLING))
1615 ucmd = gccb->gc_ucmd;
1616 if (gdt->sc_status == GDT_S_BSY) {
1617 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n",
1619 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
1620 if (!(gdt->sc_state & GDT_POLLING))
1623 ucmd->status = gdt->sc_status;
1624 ucmd->info = gdt->sc_info;
1625 ucmd->complete_flag = TRUE;
1626 if (ucmd->service == GDT_CACHESERVICE) {
1627 if (ucmd->OpCode == GDT_IOCTL) {
1628 cnt = ucmd->u.ioctl.param_size;
1630 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1632 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1634 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1637 cnt = ucmd->u.raw.sdlen;
1639 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1640 if (ucmd->u.raw.sense_len != 0)
1641 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1643 gdt_free_ccb(gdt, gccb);
1644 if (!(gdt->sc_state & GDT_POLLING))
1653 gdt_free_ccb(gdt, gccb);
1654 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb);
1655 if (!(gdt->sc_state & GDT_POLLING))
1663 gdt_async_event(struct gdt_softc *gdt, int service)
1665 struct gdt_ccb *gccb;
1667 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service));
1669 if (service == GDT_SCREENSERVICE) {
1670 if (gdt->sc_status == GDT_MSG_REQUEST) {
1671 while (gdt->sc_test_busy(gdt))
1673 gccb = gdt_get_ccb(gdt);
1675 printf("iir%d: No free command index found\n",
1679 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1680 gccb->gc_service = service;
1681 gccb->gc_flags = GDT_GCF_SCREEN;
1682 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1683 gccb->gc_cmd_index);
1684 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1685 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1686 GDT_MSG_INV_HANDLE);
1687 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1688 gccb->gc_scratch_busbase);
1689 gdt->sc_set_sema0(gdt);
1690 gdt->sc_cmd_off = 0;
1691 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1693 gdt->sc_cmd_cnt = 0;
1694 gdt->sc_copy_cmd(gdt, gccb);
1695 printf("iir%d: [PCI %d/%d] ",
1696 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot);
1697 gdt->sc_release_event(gdt);
1701 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) {
1702 gdt->sc_dvr.size = 0;
1703 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1704 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1705 /* severity and event_string already set! */
1707 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async);
1708 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1709 gdt->sc_dvr.eu.async.service = service;
1710 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1711 gdt->sc_dvr.eu.async.info = gdt->sc_info;
1712 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2;
1714 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr);
1715 printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string);
1722 gdt_sync_event(struct gdt_softc *gdt, int service,
1723 u_int8_t index, struct gdt_ccb *gccb)
1727 GDT_DPRINTF(GDT_D_INTR,
1728 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb));
1732 if (service == GDT_SCREENSERVICE) {
1735 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN);
1737 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1738 gccb->gc_scratch[GDT_SCR_MSG_EXT])) {
1739 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0';
1740 printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]);
1743 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] &&
1744 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) {
1745 while (gdt->sc_test_busy(gdt))
1747 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1748 gccb = gdt_get_ccb(gdt);
1750 printf("iir%d: No free command index found\n",
1754 gccb->gc_service = service;
1755 gccb->gc_flags = GDT_GCF_SCREEN;
1756 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1757 gccb->gc_cmd_index);
1758 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1759 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1760 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1761 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1762 gccb->gc_scratch_busbase);
1763 gdt->sc_set_sema0(gdt);
1764 gdt->sc_cmd_off = 0;
1765 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1767 gdt->sc_cmd_cnt = 0;
1768 gdt->sc_copy_cmd(gdt, gccb);
1769 gdt->sc_release_event(gdt);
1773 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1774 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) {
1775 /* default answers (getchar() not possible) */
1776 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) {
1777 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0);
1778 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1);
1779 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0;
1781 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN,
1782 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2);
1783 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2);
1784 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1;
1785 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0;
1787 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0;
1788 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0;
1789 while (gdt->sc_test_busy(gdt))
1791 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1792 gccb = gdt_get_ccb(gdt);
1794 printf("iir%d: No free command index found\n",
1798 gccb->gc_service = service;
1799 gccb->gc_flags = GDT_GCF_SCREEN;
1800 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1801 gccb->gc_cmd_index);
1802 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
1803 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1804 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1805 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1806 gccb->gc_scratch_busbase);
1807 gdt->sc_set_sema0(gdt);
1808 gdt->sc_cmd_off = 0;
1809 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1811 gdt->sc_cmd_cnt = 0;
1812 gdt->sc_copy_cmd(gdt, gccb);
1813 gdt->sc_release_event(gdt);
1819 untimeout(iir_timeout, gccb, ccb->ccb_h.timeout_ch);
1820 if (gdt->sc_status == GDT_S_BSY) {
1821 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n",
1823 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1824 ++gdt_stat.req_queue_act;
1825 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1826 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1830 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1831 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1832 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1833 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap);
1835 ccb->csio.resid = 0;
1836 if (gdt->sc_status == GDT_S_OK) {
1837 ccb->ccb_h.status |= CAM_REQ_CMP;
1838 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1841 if (gccb->gc_service == GDT_CACHESERVICE) {
1842 struct scsi_sense_data *sense;
1844 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1845 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1846 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1847 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
1848 sense = &ccb->csio.sense_data;
1849 scsi_set_sense_data(sense,
1850 /*sense_format*/ SSD_TYPE_NONE,
1851 /*current_error*/ 1,
1852 /*sense_key*/ SSD_KEY_NOT_READY,
1857 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync);
1858 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum;
1859 gdt->sc_dvr.eu.sync.service = service;
1860 gdt->sc_dvr.eu.sync.status = gdt->sc_status;
1861 gdt->sc_dvr.eu.sync.info = gdt->sc_info;
1862 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id;
1863 if (gdt->sc_status >= 0x8000)
1864 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr);
1866 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr);
1869 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) {
1870 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1872 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID;
1873 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1874 ccb->csio.scsi_status = gdt->sc_info;
1875 bcopy(gccb->gc_scratch, &ccb->csio.sense_data,
1876 ccb->csio.sense_len);
1880 --gdt_stat.io_count_act;
1886 /* Controller event handling functions */
1887 gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx,
1893 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx));
1894 if (source == 0) /* no source -> no event */
1897 if (ebuffer[elastidx].event_source == source &&
1898 ebuffer[elastidx].event_idx == idx &&
1899 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
1900 !memcmp((char *)&ebuffer[elastidx].event_data.eu,
1901 (char *)&evt->eu, evt->size)) ||
1902 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
1903 !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
1904 (char *)&evt->event_string)))) {
1905 e = &ebuffer[elastidx];
1907 e->last_stamp = tv.tv_sec;
1910 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
1912 if (elastidx == GDT_MAX_EVENTS)
1914 if (elastidx == eoldidx) { /* reached mark ? */
1916 if (eoldidx == GDT_MAX_EVENTS)
1920 e = &ebuffer[elastidx];
1921 e->event_source = source;
1924 e->first_stamp = e->last_stamp = tv.tv_sec;
1926 e->event_data = *evt;
1932 int gdt_read_event(int handle, gdt_evt_str *estr)
1937 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle));
1943 estr->event_source = 0;
1945 if (eindex >= GDT_MAX_EVENTS) {
1949 e = &ebuffer[eindex];
1950 if (e->event_source != 0) {
1951 if (eindex != elastidx) {
1952 if (++eindex == GDT_MAX_EVENTS)
1957 memcpy(estr, e, sizeof(gdt_evt_str));
1963 void gdt_readapp_event(u_int8_t application, gdt_evt_str *estr)
1969 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application));
1973 e = &ebuffer[eindex];
1974 if (e->event_source == 0)
1976 if ((e->application & application) == 0) {
1977 e->application |= application;
1981 if (eindex == elastidx)
1983 if (++eindex == GDT_MAX_EVENTS)
1987 memcpy(estr, e, sizeof(gdt_evt_str));
1989 estr->event_source = 0;
1993 void gdt_clear_events()
1995 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n"));
1997 eoldidx = elastidx = 0;
1998 ebuffer[0].event_source = 0;