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>
73 #include <dev/iir/iir.h>
75 MALLOC_DEFINE(M_GDTBUF, "iirbuf", "iir driver buffer");
77 struct gdt_softc *gdt_wait_gdt;
81 int gdt_debug = GDT_DEBUG;
83 #define MAX_SERBUF 160
84 static void ser_init(void);
85 static void ser_puts(char *str);
86 static void ser_putc(int c);
87 static char strbuf[MAX_SERBUF+1];
89 #define COM_BASE 0x2f8
91 #define COM_BASE 0x3f8
93 static void ser_init()
95 unsigned port=COM_BASE;
99 /* 19200 Baud, if 9600: outb(12,port) */
105 static void ser_puts(char *str)
110 for (ptr=str;*ptr;++ptr)
111 ser_putc((int)(*ptr));
114 static void ser_putc(int c)
116 unsigned port=COM_BASE;
118 while ((inb(port+5) & 0x20)==0);
122 while ((inb(port+5) & 0x20)==0);
127 int ser_printf(const char *fmt, ...)
133 i = vsprintf(strbuf,fmt,args);
141 /* The linked list of softc structures */
142 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs);
143 /* controller cnt. */
146 static gdt_evt_str ebuffer[GDT_MAX_EVENTS];
147 static int elastidx, eoldidx;
149 gdt_statist_t gdt_stat;
151 /* Definitions for our use of the SIM private CCB area */
152 #define ccb_sim_ptr spriv_ptr0
153 #define ccb_priority spriv_field1
155 static void iir_action(struct cam_sim *sim, union ccb *ccb);
156 static void iir_poll(struct cam_sim *sim);
157 static void iir_shutdown(void *arg, int howto);
158 static void iir_timeout(void *arg);
159 static void iir_watchdog(void *arg);
161 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads,
163 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
164 u_int8_t service, u_int16_t opcode,
165 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3);
166 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb,
169 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt);
171 static int gdt_sync_event(struct gdt_softc *gdt, int service,
172 u_int8_t index, struct gdt_ccb *gccb);
173 static int gdt_async_event(struct gdt_softc *gdt, int service);
174 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt,
175 union ccb *ccb, int *lock);
176 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt,
177 union ccb *ccb, int *lock);
178 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt,
179 gdt_ucmd_t *ucmd, int *lock);
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_32BIT,
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 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
215 &gdt->sc_buffer_dmat) != 0) {
216 printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n",
220 gdt->sc_init_level++;
222 /* DMA tag for our ccb structures */
223 if (bus_dma_tag_create(gdt->sc_parent_dmat,
226 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
227 /*highaddr*/BUS_SPACE_MAXADDR,
230 GDT_MAXCMDS * GDT_SCRATCH_SZ, /* maxsize */
232 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
233 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
234 /*lockarg*/&Giant, &gdt->sc_gcscratch_dmat) != 0) {
235 printf("iir%d: bus_dma_tag_create(...,gdt->sc_gcscratch_dmat) failed\n",
239 gdt->sc_init_level++;
241 /* Allocation for our ccb scratch area */
242 if (bus_dmamem_alloc(gdt->sc_gcscratch_dmat, (void **)&gdt->sc_gcscratch,
243 BUS_DMA_NOWAIT, &gdt->sc_gcscratch_dmamap) != 0) {
244 printf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n",
248 gdt->sc_init_level++;
250 /* And permanently map them */
251 bus_dmamap_load(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap,
252 gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ,
253 gdtmapmem, &gdt->sc_gcscratch_busbase, /*flags*/0);
254 gdt->sc_init_level++;
256 /* Clear them out. */
257 bzero(gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ);
259 /* Initialize the ccbs */
260 gdt->sc_gccbs = malloc(sizeof(struct gdt_ccb) * GDT_MAXCMDS, M_GDTBUF,
262 if (gdt->sc_gccbs == NULL) {
263 printf("iir%d: no memory for gccbs.\n", gdt->sc_hanum);
266 for (i = GDT_MAXCMDS-1; i >= 0; i--) {
267 gccb = &gdt->sc_gccbs[i];
268 gccb->gc_cmd_index = i + 2;
269 gccb->gc_flags = GDT_GCF_UNUSED;
270 gccb->gc_map_flag = FALSE;
271 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0,
272 &gccb->gc_dmamap) != 0)
274 gccb->gc_map_flag = TRUE;
275 gccb->gc_scratch = &gdt->sc_gcscratch[GDT_SCRATCH_SZ * i];
276 gccb->gc_scratch_busbase = gdt->sc_gcscratch_busbase + GDT_SCRATCH_SZ * i;
277 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
279 gdt->sc_init_level++;
281 /* create the control device */
282 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum);
284 /* allocate ccb for gdt_internal_cmd() */
285 gccb = gdt_get_ccb(gdt);
287 printf("iir%d: No free command index found\n",
291 bzero(gccb->gc_cmd, GDT_CMD_SZ);
293 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT,
295 printf("iir%d: Screen service initialization error %d\n",
296 gdt->sc_hanum, gdt->sc_status);
297 gdt_free_ccb(gdt, gccb);
301 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO,
304 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
305 GDT_LINUX_OS, 0, 0)) {
306 printf("iir%d: Cache service 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);
396 gdt_enc32(gccb->gc_scratch + GDT_OEM_VERSION, 0x01);
397 gdt_enc32(gccb->gc_scratch + GDT_OEM_BUFSIZE, sizeof(gdt_oem_record_t));
398 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
399 GDT_OEM_STR_RECORD, GDT_INVALID_CHANNEL,
400 sizeof(gdt_oem_str_record_t))) {
401 strncpy(gdt->oem_name, ((gdt_oem_str_record_t *)
402 gccb->gc_scratch)->text.scsi_host_drive_inquiry_vendor_id, 7);
403 gdt->oem_name[7]='\0';
405 /* Old method, based on PCI ID */
406 if (gdt->sc_vendor == INTEL_VENDOR_ID)
407 strcpy(gdt->oem_name,"Intel ");
409 strcpy(gdt->oem_name,"ICP ");
412 /* Scan for cache devices */
413 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) {
414 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO,
416 gdt->sc_hdr[i].hd_present = 1;
417 gdt->sc_hdr[i].hd_size = gdt->sc_info;
420 * Evaluate mapping (sectors per head, heads per cyl)
422 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32;
423 if (gdt->sc_info2 == 0)
424 gdt_eval_mapping(gdt->sc_hdr[i].hd_size,
425 &drv_cyls, &drv_hds, &drv_secs);
427 drv_hds = gdt->sc_info2 & 0xff;
428 drv_secs = (gdt->sc_info2 >> 8) & 0xff;
429 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds /
432 gdt->sc_hdr[i].hd_heads = drv_hds;
433 gdt->sc_hdr[i].hd_secs = drv_secs;
435 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs;
437 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE,
438 GDT_DEVTYPE, i, 0, 0))
439 gdt->sc_hdr[i].hd_devtype = gdt->sc_info;
443 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n",
445 gdt->sc_bus_cnt, cdev_cnt,
446 cdev_cnt == 1 ? "" : "s"));
447 gdt_free_ccb(gdt, gccb);
454 iir_free(struct gdt_softc *gdt)
458 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n"));
460 switch (gdt->sc_init_level) {
462 gdt_destroy_dev(gdt->sc_dev);
464 for (i = GDT_MAXCMDS-1; i >= 0; i--)
465 if (gdt->sc_gccbs[i].gc_map_flag)
466 bus_dmamap_destroy(gdt->sc_buffer_dmat,
467 gdt->sc_gccbs[i].gc_dmamap);
468 bus_dmamap_unload(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap);
469 free(gdt->sc_gccbs, M_GDTBUF);
471 bus_dmamem_free(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch, gdt->sc_gcscratch_dmamap);
473 bus_dma_tag_destroy(gdt->sc_gcscratch_dmat);
475 bus_dma_tag_destroy(gdt->sc_buffer_dmat);
477 bus_dma_tag_destroy(gdt->sc_parent_dmat);
481 TAILQ_REMOVE(&gdt_softcs, gdt, links);
485 iir_attach(struct gdt_softc *gdt)
487 struct cam_devq *devq;
490 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n"));
493 * Create the device queue for our SIM.
494 * XXX Throttle this down since the card has problems under load.
496 devq = cam_simq_alloc(32);
500 for (i = 0; i < gdt->sc_bus_cnt; i++) {
502 * Construct our SIM entry
504 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir",
505 gdt, gdt->sc_hanum, &Giant,
507 /*tagged*/GDT_MAXCMDS, devq);
508 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) {
509 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0);
513 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL,
514 cam_sim_path(gdt->sims[i]),
516 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
517 xpt_bus_deregister(cam_sim_path(gdt->sims[i]));
518 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0);
523 EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown,
524 gdt, SHUTDOWN_PRI_DEFAULT);
525 /* iir_watchdog(gdt); */
526 gdt->sc_state = GDT_NORMAL;
530 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs)
532 *cyls = size / GDT_HEADS / GDT_SECS;
533 if (*cyls < GDT_MAXCYLS) {
537 /* Too high for 64 * 32 */
538 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS;
539 if (*cyls < GDT_MAXCYLS) {
540 *heads = GDT_MEDHEADS;
543 /* Too high for 127 * 63 */
544 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS;
545 *heads = GDT_BIGHEADS;
552 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb,
557 GDT_DPRINTF(GDT_D_INIT,
558 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout));
560 gdt->sc_state |= GDT_POLL_WAIT;
563 if (gdt == gdt_wait_gdt &&
564 gccb->gc_cmd_index == gdt_wait_index) {
570 gdt->sc_state &= ~GDT_POLL_WAIT;
572 while (gdt->sc_test_busy(gdt))
573 DELAY(1); /* XXX correct? */
579 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
580 u_int8_t service, u_int16_t opcode,
581 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
585 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n",
586 gdt, service, opcode, arg1, arg2, arg3));
588 bzero(gccb->gc_cmd, GDT_CMD_SZ);
590 for (retries = GDT_RETRIES; ; ) {
591 gccb->gc_service = service;
592 gccb->gc_flags = GDT_GCF_INTERNAL;
594 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
596 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
599 case GDT_CACHESERVICE:
600 if (opcode == GDT_IOCTL) {
601 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
602 GDT_IOCTL_SUBFUNC, arg1);
603 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
604 GDT_IOCTL_CHANNEL, arg2);
605 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
606 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3);
607 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
608 gccb->gc_scratch_busbase);
610 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
611 GDT_CACHE_DEVICENO, (u_int16_t)arg1);
612 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
613 GDT_CACHE_BLOCKNO, arg2);
617 case GDT_SCSIRAWSERVICE:
618 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
619 GDT_RAW_DIRECTION, arg1);
620 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
622 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
624 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
625 (u_int8_t)(arg3 >> 8);
628 gdt->sc_set_sema0(gdt);
629 gccb->gc_cmd_len = GDT_CMD_SZ;
632 gdt->sc_copy_cmd(gdt, gccb);
633 gdt->sc_release_event(gdt);
635 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT))
637 if (gdt->sc_status != GDT_S_BSY || --retries == 0)
641 return (gdt->sc_status == GDT_S_OK);
644 static struct gdt_ccb *
645 gdt_get_ccb(struct gdt_softc *gdt)
647 struct gdt_ccb *gccb;
650 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt));
653 gccb = SLIST_FIRST(&gdt->sc_free_gccb);
655 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle);
656 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle);
657 ++gdt_stat.cmd_index_act;
658 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max)
659 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act;
666 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb)
670 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb));
673 gccb->gc_flags = GDT_GCF_UNUSED;
674 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle);
675 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
676 --gdt_stat.cmd_index_act;
678 if (gdt->sc_state & GDT_SHUTDOWN)
683 gdt_next(struct gdt_softc *gdt)
689 int bus, target, lun;
692 struct ccb_scsiio *csio;
693 struct ccb_hdr *ccbh;
694 struct gdt_ccb *gccb = NULL;
697 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt));
700 if (gdt->sc_test_busy(gdt)) {
701 if (!(gdt->sc_state & GDT_POLLING)) {
705 while (gdt->sc_test_busy(gdt))
709 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0;
712 /* I/Os in queue? controller ready? */
713 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) &&
714 !TAILQ_FIRST(&gdt->sc_ccb_queue))
717 /* 1.: I/Os without ccb (IOCTLs) */
718 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue);
720 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links);
721 if ((gccb = gdt_ioctl_cmd(gdt, ucmd, &lock)) == NULL) {
722 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
726 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */
729 /* 2.: I/Os with ccb */
730 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue);
731 /* ist dann immer != NULL, da oben getestet */
732 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
733 bus = cam_sim_bus(sim);
734 target = ccb->ccb_h.target_id;
735 lun = ccb->ccb_h.target_lun;
737 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
738 --gdt_stat.req_queue_act;
739 /* ccb->ccb_h.func_code is XPT_SCSI_IO */
740 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n",
744 cmd = csio->cdb_io.cdb_bytes[0];
745 /* Max CDB length is 12 bytes */
746 if (csio->cdb_len > 12) {
747 ccbh->status = CAM_REQ_INVALID;
748 --gdt_stat.io_count_act;
750 } else if (bus != gdt->sc_virt_bus) {
751 /* raw service command */
752 if ((gccb = gdt_raw_cmd(gdt, ccb, &lock)) == NULL) {
753 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
755 ++gdt_stat.req_queue_act;
756 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
757 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
760 } else if (target >= GDT_MAX_HDRIVES ||
761 !gdt->sc_hdr[target].hd_present || lun != 0) {
762 ccbh->status = CAM_DEV_NOT_THERE;
763 --gdt_stat.io_count_act;
766 /* cache service command */
767 if (cmd == READ_6 || cmd == WRITE_6 ||
768 cmd == READ_10 || cmd == WRITE_10) {
769 if ((gccb = gdt_cache_cmd(gdt, ccb, &lock)) == NULL) {
770 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
772 ++gdt_stat.req_queue_act;
773 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
774 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
779 gdt_internal_cache_cmd(gdt, ccb);
783 if ((gdt->sc_state & GDT_POLLING) || !next_cmd)
786 if (gdt->sc_cmd_cnt > 0)
787 gdt->sc_release_event(gdt);
791 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) {
792 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT);
796 static struct gdt_ccb *
797 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock)
799 struct gdt_ccb *gccb;
802 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb));
804 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) +
805 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
806 gdt->sc_ic_all_size) {
807 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n",
812 gccb = gdt_get_ccb(gdt);
814 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n",
818 bzero(gccb->gc_cmd, GDT_CMD_SZ);
819 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
821 gccb->gc_service = GDT_SCSIRAWSERVICE;
822 gccb->gc_flags = GDT_GCF_SCSI;
824 if (gdt->sc_cmd_cnt == 0)
825 gdt->sc_set_sema0(gdt);
827 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
829 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
831 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
832 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
833 GDT_DATA_IN : GDT_DATA_OUT);
834 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
835 ccb->csio.dxfer_len);
836 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
838 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
840 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
841 ccb->ccb_h.target_id;
842 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
843 ccb->ccb_h.target_lun;
844 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
846 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
847 sizeof(struct scsi_sense_data));
848 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
849 gccb->gc_scratch_busbase);
852 * If we have any data to send with this command,
853 * map it into bus space.
855 /* Only use S/G if there is a transfer */
856 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
857 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
858 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
862 /* vorher unlock von splcam() ??? */
865 bus_dmamap_load(gdt->sc_buffer_dmat,
871 if (error == EINPROGRESS) {
872 xpt_freeze_simq(sim, 1);
873 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
877 panic("iir: CAM_DATA_PHYS not supported");
880 struct bus_dma_segment *segs;
882 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
883 panic("iir%d: iir_action - Physical "
884 "segment pointers unsupported", gdt->sc_hanum);
886 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
887 panic("iir%d: iir_action - Virtual "
888 "segment addresses unsupported", gdt->sc_hanum);
890 /* Just use the segments provided */
891 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
892 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
895 gdtexecuteccb(gccb, NULL, 0, 0);
902 static struct gdt_ccb *
903 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock)
905 struct gdt_ccb *gccb;
909 u_int32_t blockno, blockcnt;
911 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb));
913 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) +
914 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
915 gdt->sc_ic_all_size) {
916 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n",
921 gccb = gdt_get_ccb(gdt);
923 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
927 bzero(gccb->gc_cmd, GDT_CMD_SZ);
928 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
930 gccb->gc_service = GDT_CACHESERVICE;
931 gccb->gc_flags = GDT_GCF_SCSI;
933 if (gdt->sc_cmd_cnt == 0)
934 gdt->sc_set_sema0(gdt);
936 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
938 cmdp = ccb->csio.cdb_io.cdb_bytes;
939 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ;
940 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE)
941 opcode = GDT_WRITE_THR;
942 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
944 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
945 ccb->ccb_h.target_id);
946 if (ccb->csio.cdb_len == 6) {
947 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp;
948 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff);
949 blockcnt = rw->length ? rw->length : 0x100;
951 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp;
952 blockno = scsi_4btoul(rw->addr);
953 blockcnt = scsi_2btoul(rw->length);
955 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
957 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
961 * If we have any data to send with this command,
962 * map it into bus space.
964 /* Only use S/G if there is a transfer */
965 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
966 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
970 /* vorher unlock von splcam() ??? */
973 bus_dmamap_load(gdt->sc_buffer_dmat,
979 if (error == EINPROGRESS) {
980 xpt_freeze_simq(sim, 1);
981 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
985 panic("iir: CAM_DATA_PHYS not supported");
988 struct bus_dma_segment *segs;
990 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
991 panic("iir%d: iir_action - Physical "
992 "segment pointers unsupported", gdt->sc_hanum);
994 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
995 panic("iir%d: iir_action - Virtual "
996 "segment addresses unsupported", gdt->sc_hanum);
998 /* Just use the segments provided */
999 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
1000 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
1007 static struct gdt_ccb *
1008 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd, int *lock)
1010 struct gdt_ccb *gccb;
1013 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd));
1015 gccb = gdt_get_ccb(gdt);
1017 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
1021 bzero(gccb->gc_cmd, GDT_CMD_SZ);
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 gccb->gc_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 gccb->gc_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 gccb->gc_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 + gccb->gc_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(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1077 gccb->gc_cmd_index);
1078 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE,
1081 if (ucmd->service == GDT_CACHESERVICE) {
1082 if (ucmd->OpCode == GDT_IOCTL) {
1084 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE,
1085 ucmd->u.ioctl.param_size);
1086 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC,
1087 ucmd->u.ioctl.subfunc);
1088 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL,
1089 ucmd->u.ioctl.channel);
1090 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
1091 gccb->gc_scratch_busbase);
1093 /* cache service command */
1094 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
1095 ucmd->u.cache.DeviceNo);
1096 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
1097 ucmd->u.cache.BlockNo);
1098 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
1099 ucmd->u.cache.BlockCnt);
1100 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1102 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1104 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1105 GDT_SG_PTR, gccb->gc_scratch_busbase);
1106 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1107 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE);
1110 /* raw service command */
1111 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
1112 ucmd->u.raw.direction);
1113 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1115 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
1117 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
1119 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
1121 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
1123 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
1125 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
1127 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
1128 ucmd->u.raw.sense_len);
1129 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
1130 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen);
1131 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1133 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1134 GDT_SG_PTR, gccb->gc_scratch_busbase);
1135 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1136 GDT_SG_LEN, ucmd->u.raw.sdlen);
1140 gdt_stat.sg_count_act = 1;
1141 gdt->sc_copy_cmd(gdt, gccb);
1146 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb)
1150 t = ccb->ccb_h.target_id;
1151 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n",
1152 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t));
1154 switch (ccb->csio.cdb_io.cdb_bytes[0]) {
1155 case TEST_UNIT_READY:
1159 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n"));
1163 struct scsi_inquiry_data *inq;
1165 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr;
1166 bzero(inq, sizeof(struct scsi_inquiry_data));
1167 inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ?
1169 inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0;
1170 inq->version = SCSI_REV_2;
1171 inq->response_format = 2;
1172 inq->additional_length = 32;
1173 inq->flags = SID_CmdQue | SID_Sync;
1174 strcpy(inq->vendor, gdt->oem_name);
1175 sprintf(inq->product, "Host Drive #%02d", t);
1176 strcpy(inq->revision, " ");
1182 struct scsi_mode_hdr_6 hd;
1183 struct scsi_mode_block_descr bd;
1184 struct scsi_control_page cp;
1188 mpd = (struct mpd_data *)ccb->csio.data_ptr;
1189 bzero(mpd, sizeof(struct mpd_data));
1190 mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) +
1191 sizeof(struct scsi_mode_block_descr);
1192 mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0;
1193 mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr);
1194 mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16;
1195 mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8;
1196 mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff);
1197 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page;
1200 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page));
1207 struct scsi_read_capacity_data *rcd;
1209 rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;
1210 bzero(rcd, sizeof(struct scsi_read_capacity_data));
1211 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr);
1212 scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length);
1216 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n",
1217 ccb->csio.cdb_io.cdb_bytes[0]));
1220 ccb->ccb_h.status |= CAM_REQ_CMP;
1221 --gdt_stat.io_count_act;
1226 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1228 bus_addr_t *busaddrp;
1230 busaddrp = (bus_addr_t *)arg;
1231 *busaddrp = dm_segs->ds_addr;
1235 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1237 struct gdt_ccb *gccb;
1239 struct gdt_softc *gdt;
1244 gccb = (struct gdt_ccb *)arg;
1246 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr);
1248 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n",
1249 gdt, gccb, dm_segs, nseg, error));
1250 gdt_stat.sg_count_act = nseg;
1251 if (nseg > gdt_stat.sg_count_max)
1252 gdt_stat.sg_count_max = nseg;
1254 /* Copy the segments into our SG list */
1255 if (gccb->gc_service == GDT_CACHESERVICE) {
1256 for (i = 0; i < nseg; ++i) {
1257 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1258 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1259 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1260 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1263 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1265 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1268 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1269 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1271 for (i = 0; i < nseg; ++i) {
1272 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1273 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1274 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1275 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1278 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1280 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1283 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1284 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1288 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1289 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1290 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
1293 /* We must NOT abort the command here if CAM_REQ_INPROG is not set,
1294 * because command semaphore is already set!
1297 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1298 /* timeout handling */
1299 ccb->ccb_h.timeout_ch =
1300 timeout(iir_timeout, (caddr_t)gccb,
1301 (ccb->ccb_h.timeout * hz) / 1000);
1303 gdt->sc_copy_cmd(gdt, gccb);
1309 iir_action( struct cam_sim *sim, union ccb *ccb )
1311 struct gdt_softc *gdt;
1312 int lock, bus, target, lun;
1314 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1315 ccb->ccb_h.ccb_sim_ptr = sim;
1316 bus = cam_sim_bus(sim);
1317 target = ccb->ccb_h.target_id;
1318 lun = ccb->ccb_h.target_lun;
1319 GDT_DPRINTF(GDT_D_CMD,
1320 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n",
1321 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0],
1323 ++gdt_stat.io_count_act;
1324 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
1325 gdt_stat.io_count_max = gdt_stat.io_count_act;
1327 switch (ccb->ccb_h.func_code) {
1330 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1331 ++gdt_stat.req_queue_act;
1332 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1333 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1337 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1338 case XPT_ABORT: /* Abort the specified CCB */
1340 ccb->ccb_h.status = CAM_REQ_INVALID;
1341 --gdt_stat.io_count_act;
1344 case XPT_SET_TRAN_SETTINGS:
1345 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1346 --gdt_stat.io_count_act;
1349 case XPT_GET_TRAN_SETTINGS:
1350 /* Get default/user set transfer settings for the target */
1352 struct ccb_trans_settings *cts = &ccb->cts;
1353 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
1354 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
1356 cts->protocol = PROTO_SCSI;
1357 cts->protocol_version = SCSI_REV_2;
1358 cts->transport = XPORT_SPI;
1359 cts->transport_version = 2;
1361 if (cts->type == CTS_TYPE_USER_SETTINGS) {
1362 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
1363 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1364 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
1365 spi->sync_period = 25; /* 10MHz */
1366 if (spi->sync_period != 0)
1367 spi->sync_offset = 15;
1369 spi->valid = CTS_SPI_VALID_SYNC_RATE
1370 | CTS_SPI_VALID_SYNC_OFFSET
1371 | CTS_SPI_VALID_BUS_WIDTH
1372 | CTS_SPI_VALID_DISC;
1373 scsi->valid = CTS_SCSI_VALID_TQ;
1374 ccb->ccb_h.status = CAM_REQ_CMP;
1376 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1378 --gdt_stat.io_count_act;
1382 case XPT_CALC_GEOMETRY:
1384 struct ccb_calc_geometry *ccg;
1385 u_int32_t secs_per_cylinder;
1388 ccg->heads = gdt->sc_hdr[target].hd_heads;
1389 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs;
1390 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1391 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1392 ccb->ccb_h.status = CAM_REQ_CMP;
1393 --gdt_stat.io_count_act;
1397 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1400 ccb->ccb_h.status = CAM_REQ_CMP;
1401 --gdt_stat.io_count_act;
1405 case XPT_TERM_IO: /* Terminate the I/O process */
1407 ccb->ccb_h.status = CAM_REQ_INVALID;
1408 --gdt_stat.io_count_act;
1411 case XPT_PATH_INQ: /* Path routing inquiry */
1413 struct ccb_pathinq *cpi = &ccb->cpi;
1415 cpi->version_num = 1;
1416 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
1417 cpi->hba_inquiry |= PI_WIDE_16;
1418 cpi->target_sprt = 1;
1420 cpi->hba_eng_cnt = 0;
1421 if (bus == gdt->sc_virt_bus)
1422 cpi->max_target = GDT_MAX_HDRIVES - 1;
1423 else if (gdt->sc_class & GDT_FC)
1424 cpi->max_target = GDT_MAXID_FC - 1;
1426 cpi->max_target = GDT_MAXID - 1;
1428 cpi->unit_number = cam_sim_unit(sim);
1431 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]);
1432 cpi->base_transfer_speed = 3300;
1433 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1434 if (gdt->sc_vendor == INTEL_VENDOR_ID)
1435 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
1437 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN);
1438 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1439 cpi->transport = XPORT_SPI;
1440 cpi->transport_version = 2;
1441 cpi->protocol = PROTO_SCSI;
1442 cpi->protocol_version = SCSI_REV_2;
1443 cpi->ccb_h.status = CAM_REQ_CMP;
1444 --gdt_stat.io_count_act;
1449 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n",
1450 gdt, ccb->ccb_h.func_code));
1451 ccb->ccb_h.status = CAM_REQ_INVALID;
1452 --gdt_stat.io_count_act;
1459 iir_poll( struct cam_sim *sim )
1461 struct gdt_softc *gdt;
1463 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1464 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt));
1469 iir_timeout(void *arg)
1471 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb));
1475 iir_watchdog(void *arg)
1477 struct gdt_softc *gdt;
1479 gdt = (struct gdt_softc *)arg;
1480 GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt));
1483 int ccbs = 0, ucmds = 0, frees = 0, pends = 0;
1488 for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL;
1489 h = TAILQ_NEXT(h, sim_links.tqe))
1491 for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL;
1492 u = TAILQ_NEXT(u, links))
1494 for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL;
1495 p = SLIST_NEXT(p, sle))
1497 for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL;
1498 p = SLIST_NEXT(p, sle))
1501 GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n",
1502 ccbs, ucmds, frees, pends));
1505 timeout(iir_watchdog, (caddr_t)gdt, hz * 15);
1509 iir_shutdown( void *arg, int howto )
1511 struct gdt_softc *gdt;
1512 struct gdt_ccb *gccb;
1516 gdt = (struct gdt_softc *)arg;
1517 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto));
1519 printf("iir%d: Flushing all Host Drives. Please wait ... ",
1522 /* allocate ucmd buffer */
1523 ucmd = malloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_NOWAIT);
1525 printf("iir%d: iir_shutdown(): Cannot allocate resource\n",
1529 bzero(ucmd, sizeof(gdt_ucmd_t));
1531 /* wait for pending IOs */
1533 gdt->sc_state = GDT_SHUTDOWN;
1535 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL)
1536 (void) tsleep((void *)gccb, PCATCH | PRIBIO, "iirshw", 100 * hz);
1539 for (i = 0; i < GDT_MAX_HDRIVES; ++i) {
1540 if (gdt->sc_hdr[i].hd_present) {
1541 ucmd->service = GDT_CACHESERVICE;
1542 ucmd->OpCode = GDT_FLUSH;
1543 ucmd->u.cache.DeviceNo = i;
1545 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
1546 ucmd->complete_flag = FALSE;
1549 if (!ucmd->complete_flag)
1550 (void) tsleep((void *)ucmd, PCATCH|PRIBIO, "iirshw", 10*hz);
1554 free(ucmd, M_DEVBUF);
1561 struct gdt_softc *gdt = arg;
1562 struct gdt_intr_ctx ctx;
1564 struct gdt_ccb *gccb;
1568 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt));
1570 /* If polling and we were not called from gdt_wait, just return */
1571 if ((gdt->sc_state & GDT_POLLING) &&
1572 !(gdt->sc_state & GDT_POLL_WAIT))
1575 if (!(gdt->sc_state & GDT_POLLING))
1579 ctx.istatus = gdt->sc_get_status(gdt);
1580 if (ctx.istatus == 0x00) {
1581 if (!(gdt->sc_state & GDT_POLLING))
1583 gdt->sc_status = GDT_S_NO_STATUS;
1587 gdt->sc_intr(gdt, &ctx);
1589 gdt->sc_status = ctx.cmd_status;
1590 gdt->sc_service = ctx.service;
1591 gdt->sc_info = ctx.info;
1592 gdt->sc_info2 = ctx.info2;
1594 if (gdt->sc_state & GDT_POLL_WAIT) {
1596 gdt_wait_index = ctx.istatus;
1599 if (ctx.istatus == GDT_ASYNCINDEX) {
1600 gdt_async_event(gdt, ctx.service);
1601 if (!(gdt->sc_state & GDT_POLLING))
1605 if (ctx.istatus == GDT_SPEZINDEX) {
1606 GDT_DPRINTF(GDT_D_INVALID,
1607 ("iir%d: Service unknown or not initialized!\n",
1609 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1610 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1611 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr);
1612 if (!(gdt->sc_state & GDT_POLLING))
1617 gccb = &gdt->sc_gccbs[ctx.istatus - 2];
1618 ctx.service = gccb->gc_service;
1620 switch (gccb->gc_flags) {
1621 case GDT_GCF_UNUSED:
1622 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n",
1623 gdt->sc_hanum, ctx.istatus));
1624 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1625 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1626 gdt->sc_dvr.eu.driver.index = ctx.istatus;
1627 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr);
1628 gdt_free_ccb(gdt, gccb);
1631 case GDT_GCF_INTERNAL:
1632 if (!(gdt->sc_state & GDT_POLLING))
1637 ucmd = gccb->gc_ucmd;
1638 if (gdt->sc_status == GDT_S_BSY) {
1639 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n",
1641 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
1642 if (!(gdt->sc_state & GDT_POLLING))
1645 ucmd->status = gdt->sc_status;
1646 ucmd->info = gdt->sc_info;
1647 ucmd->complete_flag = TRUE;
1648 if (ucmd->service == GDT_CACHESERVICE) {
1649 if (ucmd->OpCode == GDT_IOCTL) {
1650 cnt = ucmd->u.ioctl.param_size;
1652 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1654 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1656 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1659 cnt = ucmd->u.raw.sdlen;
1661 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1662 if (ucmd->u.raw.sense_len != 0)
1663 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1665 gdt_free_ccb(gdt, gccb);
1666 if (!(gdt->sc_state & GDT_POLLING))
1675 gdt_free_ccb(gdt, gccb);
1676 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb);
1677 if (!(gdt->sc_state & GDT_POLLING))
1685 gdt_async_event(struct gdt_softc *gdt, int service)
1687 struct gdt_ccb *gccb;
1689 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service));
1691 if (service == GDT_SCREENSERVICE) {
1692 if (gdt->sc_status == GDT_MSG_REQUEST) {
1693 while (gdt->sc_test_busy(gdt))
1695 gccb = gdt_get_ccb(gdt);
1697 printf("iir%d: No free command index found\n",
1701 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1702 gccb->gc_service = service;
1703 gccb->gc_flags = GDT_GCF_SCREEN;
1704 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1705 gccb->gc_cmd_index);
1706 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1707 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1708 GDT_MSG_INV_HANDLE);
1709 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1710 gccb->gc_scratch_busbase);
1711 gdt->sc_set_sema0(gdt);
1712 gdt->sc_cmd_off = 0;
1713 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1715 gdt->sc_cmd_cnt = 0;
1716 gdt->sc_copy_cmd(gdt, gccb);
1717 printf("iir%d: [PCI %d/%d] ",
1718 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot);
1719 gdt->sc_release_event(gdt);
1723 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) {
1724 gdt->sc_dvr.size = 0;
1725 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1726 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1727 /* severity and event_string already set! */
1729 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async);
1730 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1731 gdt->sc_dvr.eu.async.service = service;
1732 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1733 gdt->sc_dvr.eu.async.info = gdt->sc_info;
1734 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2;
1736 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr);
1737 printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string);
1744 gdt_sync_event(struct gdt_softc *gdt, int service,
1745 u_int8_t index, struct gdt_ccb *gccb)
1749 GDT_DPRINTF(GDT_D_INTR,
1750 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb));
1754 if (service == GDT_SCREENSERVICE) {
1757 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN);
1759 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1760 gccb->gc_scratch[GDT_SCR_MSG_EXT])) {
1761 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0';
1762 printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]);
1765 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] &&
1766 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) {
1767 while (gdt->sc_test_busy(gdt))
1769 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1770 gccb = gdt_get_ccb(gdt);
1772 printf("iir%d: No free command index found\n",
1776 gccb->gc_service = service;
1777 gccb->gc_flags = GDT_GCF_SCREEN;
1778 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1779 gccb->gc_cmd_index);
1780 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1781 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1782 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1783 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1784 gccb->gc_scratch_busbase);
1785 gdt->sc_set_sema0(gdt);
1786 gdt->sc_cmd_off = 0;
1787 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1789 gdt->sc_cmd_cnt = 0;
1790 gdt->sc_copy_cmd(gdt, gccb);
1791 gdt->sc_release_event(gdt);
1795 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1796 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) {
1797 /* default answers (getchar() not possible) */
1798 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) {
1799 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0);
1800 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1);
1801 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0;
1803 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN,
1804 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2);
1805 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2);
1806 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1;
1807 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0;
1809 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0;
1810 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0;
1811 while (gdt->sc_test_busy(gdt))
1813 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1814 gccb = gdt_get_ccb(gdt);
1816 printf("iir%d: No free command index found\n",
1820 gccb->gc_service = service;
1821 gccb->gc_flags = GDT_GCF_SCREEN;
1822 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1823 gccb->gc_cmd_index);
1824 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
1825 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1826 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1827 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1828 gccb->gc_scratch_busbase);
1829 gdt->sc_set_sema0(gdt);
1830 gdt->sc_cmd_off = 0;
1831 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1833 gdt->sc_cmd_cnt = 0;
1834 gdt->sc_copy_cmd(gdt, gccb);
1835 gdt->sc_release_event(gdt);
1841 untimeout(iir_timeout, gccb, ccb->ccb_h.timeout_ch);
1842 if (gdt->sc_status == GDT_S_BSY) {
1843 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n",
1845 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1846 ++gdt_stat.req_queue_act;
1847 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1848 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1852 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1853 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1854 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1855 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap);
1857 ccb->csio.resid = 0;
1858 if (gdt->sc_status == GDT_S_OK) {
1859 ccb->ccb_h.status |= CAM_REQ_CMP;
1860 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1863 if (gccb->gc_service == GDT_CACHESERVICE) {
1864 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1865 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1866 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1867 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
1868 ccb->csio.sense_data.error_code =
1869 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID;
1870 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY;
1872 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync);
1873 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum;
1874 gdt->sc_dvr.eu.sync.service = service;
1875 gdt->sc_dvr.eu.sync.status = gdt->sc_status;
1876 gdt->sc_dvr.eu.sync.info = gdt->sc_info;
1877 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id;
1878 if (gdt->sc_status >= 0x8000)
1879 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr);
1881 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr);
1884 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) {
1885 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1887 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID;
1888 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1889 ccb->csio.scsi_status = gdt->sc_info;
1890 bcopy(gccb->gc_scratch, &ccb->csio.sense_data,
1891 ccb->csio.sense_len);
1895 --gdt_stat.io_count_act;
1901 /* Controller event handling functions */
1902 gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx,
1908 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx));
1909 if (source == 0) /* no source -> no event */
1912 if (ebuffer[elastidx].event_source == source &&
1913 ebuffer[elastidx].event_idx == idx &&
1914 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
1915 !memcmp((char *)&ebuffer[elastidx].event_data.eu,
1916 (char *)&evt->eu, evt->size)) ||
1917 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
1918 !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
1919 (char *)&evt->event_string)))) {
1920 e = &ebuffer[elastidx];
1922 e->last_stamp = tv.tv_sec;
1925 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
1927 if (elastidx == GDT_MAX_EVENTS)
1929 if (elastidx == eoldidx) { /* reached mark ? */
1931 if (eoldidx == GDT_MAX_EVENTS)
1935 e = &ebuffer[elastidx];
1936 e->event_source = source;
1939 e->first_stamp = e->last_stamp = tv.tv_sec;
1941 e->event_data = *evt;
1947 int gdt_read_event(int handle, gdt_evt_str *estr)
1952 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle));
1958 estr->event_source = 0;
1960 if (eindex >= GDT_MAX_EVENTS) {
1964 e = &ebuffer[eindex];
1965 if (e->event_source != 0) {
1966 if (eindex != elastidx) {
1967 if (++eindex == GDT_MAX_EVENTS)
1972 memcpy(estr, e, sizeof(gdt_evt_str));
1978 void gdt_readapp_event(u_int8_t application, gdt_evt_str *estr)
1984 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application));
1988 e = &ebuffer[eindex];
1989 if (e->event_source == 0)
1991 if ((e->application & application) == 0) {
1992 e->application |= application;
1996 if (eindex == elastidx)
1998 if (++eindex == GDT_MAX_EVENTS)
2002 memcpy(estr, e, sizeof(gdt_evt_str));
2004 estr->event_source = 0;
2008 void gdt_clear_events()
2010 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n"));
2012 eoldidx = elastidx = 0;
2013 ebuffer[0].event_source = 0;