1 /* $FreeBSD: src/sys/dev/iir/iir.c,v 1.2.2.3 2002/05/05 08:18:12 asmodai Exp $ */
2 /* $DragonFly: src/sys/dev/raid/iir/iir.c,v 1.3 2003/07/19 21:14:22 dillon Exp $ */
4 * Copyright (c) 2000-01 Intel Corporation
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver
35 * Written by: Achim Leubner <achim.leubner@intel.com>
36 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
38 * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers.
39 * Mike Smith; Some driver source code.
40 * FreeBSD.ORG; Great O/S to work on and for.
45 #ident "$Id: iir.c 1.2 2001/06/21 20:28:32 achim Exp $"
49 /* #include "opt_iir.h" */
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/eventhandler.h>
53 #include <sys/malloc.h>
54 #include <sys/kernel.h>
57 #include <stddef.h> /* For offsetof */
59 #include <machine/bus_memio.h>
60 #include <machine/bus_pio.h>
61 #include <machine/bus.h>
62 #include <machine/clock.h>
63 #include <machine/stdarg.h>
66 #include <cam/cam_ccb.h>
67 #include <cam/cam_sim.h>
68 #include <cam/cam_xpt_sim.h>
69 #include <cam/cam_debug.h>
70 #include <cam/scsi/scsi_all.h>
71 #include <cam/scsi/scsi_message.h>
76 #include <dev/iir/iir.h>
78 struct gdt_softc *gdt_wait_gdt;
82 int gdt_debug = GDT_DEBUG;
84 #define MAX_SERBUF 160
85 static void ser_init(void);
86 static void ser_puts(char *str);
87 static void ser_putc(int c);
88 static char strbuf[MAX_SERBUF+1];
90 #define COM_BASE 0x2f8
92 #define COM_BASE 0x3f8
94 static void ser_init()
96 unsigned port=COM_BASE;
100 /* 19200 Baud, if 9600: outb(12,port) */
106 static void ser_puts(char *str)
111 for (ptr=str;*ptr;++ptr)
112 ser_putc((int)(*ptr));
115 static void ser_putc(int c)
117 unsigned port=COM_BASE;
119 while ((inb(port+5) & 0x20)==0);
123 while ((inb(port+5) & 0x20)==0);
128 int ser_printf(const char *fmt, ...)
134 i = vsprintf(strbuf,fmt,args);
142 /* The linked list of softc structures */
143 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs);
144 /* controller cnt. */
147 static gdt_evt_str ebuffer[GDT_MAX_EVENTS];
148 static int elastidx, eoldidx;
150 gdt_statist_t gdt_stat;
152 /* Definitions for our use of the SIM private CCB area */
153 #define ccb_sim_ptr spriv_ptr0
154 #define ccb_priority spriv_field1
156 static void iir_action(struct cam_sim *sim, union ccb *ccb);
157 static void iir_poll(struct cam_sim *sim);
158 static void iir_shutdown(void *arg, int howto);
159 static void iir_timeout(void *arg);
160 static void iir_watchdog(void *arg);
162 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads,
164 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
165 u_int8_t service, u_int16_t opcode,
166 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3);
167 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb,
170 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt);
171 static u_int32_t gdt_ccb_vtop(struct gdt_softc *gdt,
172 struct gdt_ccb *gccb);
174 static int gdt_sync_event(struct gdt_softc *gdt, int service,
175 u_int8_t index, struct gdt_ccb *gccb);
176 static int gdt_async_event(struct gdt_softc *gdt, int service);
177 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt,
178 union ccb *ccb, int *lock);
179 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt,
180 union ccb *ccb, int *lock);
181 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt,
182 gdt_ucmd_t *ucmd, int *lock);
183 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb);
185 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs,
186 int nseg, int error);
187 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs,
188 int nseg, int error);
191 iir_init(struct gdt_softc *gdt)
194 int i, id, drv_cyls, drv_hds, drv_secs;
195 struct gdt_ccb *gccb;
197 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n"));
199 gdt->sc_state = GDT_POLLING;
201 bzero(&gdt_stat, sizeof(gdt_statist_t));
203 SLIST_INIT(&gdt->sc_free_gccb);
204 SLIST_INIT(&gdt->sc_pending_gccb);
205 TAILQ_INIT(&gdt->sc_ccb_queue);
206 TAILQ_INIT(&gdt->sc_ucmd_queue);
207 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links);
209 /* DMA tag for mapping buffers into device visible space. */
210 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
211 /*lowaddr*/BUS_SPACE_MAXADDR,
212 /*highaddr*/BUS_SPACE_MAXADDR,
213 /*filter*/NULL, /*filterarg*/NULL,
214 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG,
215 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
216 /*flags*/BUS_DMA_ALLOCNOW,
217 &gdt->sc_buffer_dmat) != 0) {
218 printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n",
222 gdt->sc_init_level++;
224 /* DMA tag for our ccb structures */
225 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
226 /*lowaddr*/BUS_SPACE_MAXADDR,
227 /*highaddr*/BUS_SPACE_MAXADDR,
228 /*filter*/NULL, /*filterarg*/NULL,
229 GDT_MAXCMDS * sizeof(struct gdt_ccb),
231 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
232 /*flags*/0, &gdt->sc_gccb_dmat) != 0) {
233 printf("iir%d: bus_dma_tag_create(...,gdt->sc_gccb_dmat) failed\n",
237 gdt->sc_init_level++;
239 /* Allocation for our ccbs */
240 if (bus_dmamem_alloc(gdt->sc_gccb_dmat, (void **)&gdt->sc_gccbs,
241 BUS_DMA_NOWAIT, &gdt->sc_gccb_dmamap) != 0) {
242 printf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n",
246 gdt->sc_init_level++;
248 /* And permanently map them */
249 bus_dmamap_load(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap,
250 gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb),
251 gdtmapmem, &gdt->sc_gccb_busbase, /*flags*/0);
252 gdt->sc_init_level++;
254 /* Clear them out. */
255 bzero(gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb));
257 /* Initialize the ccbs */
258 for (i = GDT_MAXCMDS-1; i >= 0; i--) {
259 gdt->sc_gccbs[i].gc_cmd_index = i + 2;
260 gdt->sc_gccbs[i].gc_flags = GDT_GCF_UNUSED;
261 gdt->sc_gccbs[i].gc_map_flag = FALSE;
262 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0,
263 &gdt->sc_gccbs[i].gc_dmamap) != 0)
265 gdt->sc_gccbs[i].gc_map_flag = TRUE;
266 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, &gdt->sc_gccbs[i], sle);
268 gdt->sc_init_level++;
270 /* create the control device */
271 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum);
273 /* allocate ccb for gdt_internal_cmd() */
274 gccb = gdt_get_ccb(gdt);
276 printf("iir%d: No free command index found\n",
281 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT,
283 printf("iir%d: Screen service initialization error %d\n",
284 gdt->sc_hanum, gdt->sc_status);
285 gdt_free_ccb(gdt, gccb);
289 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
290 GDT_LINUX_OS, 0, 0)) {
291 printf("iir%d: Cache service initialization error %d\n",
292 gdt->sc_hanum, gdt->sc_status);
293 gdt_free_ccb(gdt, gccb);
296 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO,
299 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_MOUNT,
301 printf("iir%d: Cache service mount error %d\n",
302 gdt->sc_hanum, gdt->sc_status);
303 gdt_free_ccb(gdt, gccb);
307 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
308 GDT_LINUX_OS, 0, 0)) {
309 printf("iir%d: Cache service post-mount initialization error %d\n",
310 gdt->sc_hanum, gdt->sc_status);
311 gdt_free_ccb(gdt, gccb);
314 cdev_cnt = (u_int16_t)gdt->sc_info;
315 gdt->sc_fw_vers = gdt->sc_service;
317 /* Detect number of buses */
318 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST);
319 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS;
320 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0;
321 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1;
322 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ);
323 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
324 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL,
325 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) {
326 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT];
327 for (i = 0; i < gdt->sc_bus_cnt; i++) {
328 id = gccb->gc_scratch[GDT_IOC_HDR_SZ +
329 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID];
330 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff;
333 /* New method failed, use fallback. */
334 for (i = 0; i < GDT_MAXBUS; i++) {
335 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i);
336 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
337 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN,
338 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL,
341 printf("iir%d: Cannot get channel count, "
342 "error %d\n", gdt->sc_hanum, gdt->sc_status);
343 gdt_free_ccb(gdt, gccb);
349 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ?
350 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff;
354 /* add one "virtual" channel for the host drives */
355 gdt->sc_virt_bus = gdt->sc_bus_cnt;
358 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT,
360 printf("iir%d: Raw service initialization error %d\n",
361 gdt->sc_hanum, gdt->sc_status);
362 gdt_free_ccb(gdt, gccb);
366 /* Set/get features raw service (scatter/gather) */
367 gdt->sc_raw_feat = 0;
368 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT,
369 GDT_SCATTER_GATHER, 0, 0)) {
370 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT,
372 gdt->sc_raw_feat = gdt->sc_info;
373 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
374 panic("iir%d: Scatter/Gather Raw Service "
375 "required but not supported!\n", gdt->sc_hanum);
376 gdt_free_ccb(gdt, gccb);
382 /* Set/get features cache service (scatter/gather) */
383 gdt->sc_cache_feat = 0;
384 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT,
385 0, GDT_SCATTER_GATHER, 0)) {
386 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT,
388 gdt->sc_cache_feat = gdt->sc_info;
389 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
390 panic("iir%d: Scatter/Gather Cache Service "
391 "required but not supported!\n", gdt->sc_hanum);
392 gdt_free_ccb(gdt, gccb);
398 /* Scan for cache devices */
399 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) {
400 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO,
402 gdt->sc_hdr[i].hd_present = 1;
403 gdt->sc_hdr[i].hd_size = gdt->sc_info;
406 * Evaluate mapping (sectors per head, heads per cyl)
408 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32;
409 if (gdt->sc_info2 == 0)
410 gdt_eval_mapping(gdt->sc_hdr[i].hd_size,
411 &drv_cyls, &drv_hds, &drv_secs);
413 drv_hds = gdt->sc_info2 & 0xff;
414 drv_secs = (gdt->sc_info2 >> 8) & 0xff;
415 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds /
418 gdt->sc_hdr[i].hd_heads = drv_hds;
419 gdt->sc_hdr[i].hd_secs = drv_secs;
421 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs;
423 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE,
424 GDT_DEVTYPE, i, 0, 0))
425 gdt->sc_hdr[i].hd_devtype = gdt->sc_info;
429 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n",
431 gdt->sc_bus_cnt, cdev_cnt,
432 cdev_cnt == 1 ? "" : "s"));
433 gdt_free_ccb(gdt, gccb);
440 iir_free(struct gdt_softc *gdt)
444 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n"));
446 switch (gdt->sc_init_level) {
448 gdt_destroy_dev(gdt->sc_dev);
450 for (i = GDT_MAXCMDS-1; i >= 0; i--)
451 if (gdt->sc_gccbs[i].gc_map_flag)
452 bus_dmamap_destroy(gdt->sc_buffer_dmat,
453 gdt->sc_gccbs[i].gc_dmamap);
454 bus_dmamap_unload(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap);
456 bus_dmamem_free(gdt->sc_gccb_dmat, gdt->sc_gccbs, gdt->sc_gccb_dmamap);
458 bus_dma_tag_destroy(gdt->sc_gccb_dmat);
460 bus_dma_tag_destroy(gdt->sc_buffer_dmat);
462 bus_dma_tag_destroy(gdt->sc_parent_dmat);
466 TAILQ_REMOVE(&gdt_softcs, gdt, links);
470 iir_attach(struct gdt_softc *gdt)
472 struct cam_devq *devq;
475 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n"));
478 * Create the device queue for our SIM.
480 devq = cam_simq_alloc(GDT_MAXCMDS);
484 for (i = 0; i < gdt->sc_bus_cnt; i++) {
486 * Construct our SIM entry
488 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir",
489 gdt, gdt->sc_hanum, /*untagged*/2,
490 /*tagged*/GDT_MAXCMDS, devq);
491 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) {
492 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0);
496 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL,
497 cam_sim_path(gdt->sims[i]),
499 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
500 xpt_bus_deregister(cam_sim_path(gdt->sims[i]));
501 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0);
506 EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown,
507 gdt, SHUTDOWN_PRI_DEFAULT);
508 /* iir_watchdog(gdt); */
509 gdt->sc_state = GDT_NORMAL;
513 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs)
515 *cyls = size / GDT_HEADS / GDT_SECS;
516 if (*cyls < GDT_MAXCYLS) {
520 /* Too high for 64 * 32 */
521 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS;
522 if (*cyls < GDT_MAXCYLS) {
523 *heads = GDT_MEDHEADS;
526 /* Too high for 127 * 63 */
527 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS;
528 *heads = GDT_BIGHEADS;
535 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb,
540 GDT_DPRINTF(GDT_D_INIT,
541 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout));
543 gdt->sc_state |= GDT_POLL_WAIT;
546 if (gdt == gdt_wait_gdt &&
547 gccb->gc_cmd_index == gdt_wait_index) {
553 gdt->sc_state &= ~GDT_POLL_WAIT;
555 while (gdt->sc_test_busy(gdt))
556 DELAY(1); /* XXX correct? */
562 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
563 u_int8_t service, u_int16_t opcode,
564 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
568 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n",
569 gdt, service, opcode, arg1, arg2, arg3));
571 bzero(gdt->sc_cmd, GDT_CMD_SZ);
573 for (retries = GDT_RETRIES; ; ) {
574 gccb->gc_service = service;
575 gccb->gc_flags = GDT_GCF_INTERNAL;
577 gdt->sc_set_sema0(gdt);
578 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
580 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode);
583 case GDT_CACHESERVICE:
584 if (opcode == GDT_IOCTL) {
585 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
586 GDT_IOCTL_SUBFUNC, arg1);
587 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
588 GDT_IOCTL_CHANNEL, arg2);
589 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION +
590 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3);
591 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
592 gdt_ccb_vtop(gdt, gccb) +
593 offsetof(struct gdt_ccb, gc_scratch[0]));
595 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION +
596 GDT_CACHE_DEVICENO, (u_int16_t)arg1);
597 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
598 GDT_CACHE_BLOCKNO, arg2);
602 case GDT_SCSIRAWSERVICE:
603 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION +
604 GDT_RAW_DIRECTION, arg1);
605 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
607 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
609 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
610 (u_int8_t)(arg3 >> 8);
613 gdt->sc_cmd_len = GDT_CMD_SZ;
616 gdt->sc_copy_cmd(gdt, gccb);
617 gdt->sc_release_event(gdt);
619 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT))
621 if (gdt->sc_status != GDT_S_BSY || --retries == 0)
625 return (gdt->sc_status == GDT_S_OK);
628 static struct gdt_ccb *
629 gdt_get_ccb(struct gdt_softc *gdt)
631 struct gdt_ccb *gccb;
634 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt));
637 gccb = SLIST_FIRST(&gdt->sc_free_gccb);
639 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle);
640 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle);
641 ++gdt_stat.cmd_index_act;
642 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max)
643 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act;
650 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb)
654 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb));
657 gccb->gc_flags = GDT_GCF_UNUSED;
658 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle);
659 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
660 --gdt_stat.cmd_index_act;
662 if (gdt->sc_state & GDT_SHUTDOWN)
667 gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb)
669 return (gdt->sc_gccb_busbase
670 + (u_int32_t)((caddr_t)gccb - (caddr_t)gdt->sc_gccbs));
674 gdt_next(struct gdt_softc *gdt)
680 int bus, target, lun;
683 struct ccb_scsiio *csio;
684 struct ccb_hdr *ccbh;
685 struct gdt_ccb *gccb = NULL;
688 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt));
691 if (gdt->sc_test_busy(gdt)) {
692 if (!(gdt->sc_state & GDT_POLLING)) {
696 while (gdt->sc_test_busy(gdt))
700 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0;
703 /* I/Os in queue? controller ready? */
704 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) &&
705 !TAILQ_FIRST(&gdt->sc_ccb_queue))
708 /* 1.: I/Os without ccb (IOCTLs) */
709 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue);
711 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links);
712 if ((gccb = gdt_ioctl_cmd(gdt, ucmd, &lock)) == NULL) {
713 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
717 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */
720 /* 2.: I/Os with ccb */
721 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue);
722 /* ist dann immer != NULL, da oben getestet */
723 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
724 bus = cam_sim_bus(sim);
725 target = ccb->ccb_h.target_id;
726 lun = ccb->ccb_h.target_lun;
728 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
729 --gdt_stat.req_queue_act;
730 /* ccb->ccb_h.func_code is XPT_SCSI_IO */
731 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n",
735 cmd = csio->cdb_io.cdb_bytes[0];
736 /* Max CDB length is 12 bytes */
737 if (csio->cdb_len > 12) {
738 ccbh->status = CAM_REQ_INVALID;
739 --gdt_stat.io_count_act;
741 } else if (bus != gdt->sc_virt_bus) {
742 /* raw service command */
743 if ((gccb = gdt_raw_cmd(gdt, ccb, &lock)) == NULL) {
744 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
746 ++gdt_stat.req_queue_act;
747 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
748 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
751 } else if (target >= GDT_MAX_HDRIVES ||
752 !gdt->sc_hdr[target].hd_present || lun != 0) {
753 ccbh->status = CAM_SEL_TIMEOUT;
754 --gdt_stat.io_count_act;
757 /* cache service command */
758 if (cmd == READ_6 || cmd == WRITE_6 ||
759 cmd == READ_10 || cmd == WRITE_10) {
760 if ((gccb = gdt_cache_cmd(gdt, ccb, &lock)) == NULL) {
761 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
763 ++gdt_stat.req_queue_act;
764 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
765 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
770 gdt_internal_cache_cmd(gdt, ccb);
774 if ((gdt->sc_state & GDT_POLLING) || !next_cmd)
777 if (gdt->sc_cmd_cnt > 0)
778 gdt->sc_release_event(gdt);
782 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) {
783 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT);
787 static struct gdt_ccb *
788 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock)
790 struct gdt_ccb *gccb;
793 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb));
795 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) +
796 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
797 gdt->sc_ic_all_size) {
798 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n",
803 bzero(gdt->sc_cmd, GDT_CMD_SZ);
805 gccb = gdt_get_ccb(gdt);
807 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n",
811 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
813 gccb->gc_service = GDT_SCSIRAWSERVICE;
814 gccb->gc_flags = GDT_GCF_SCSI;
816 if (gdt->sc_cmd_cnt == 0)
817 gdt->sc_set_sema0(gdt);
819 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
821 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
823 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
824 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
825 GDT_DATA_IN : GDT_DATA_OUT);
826 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
827 ccb->csio.dxfer_len);
828 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
830 bcopy(ccb->csio.cdb_io.cdb_bytes, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
832 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
833 ccb->ccb_h.target_id;
834 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
835 ccb->ccb_h.target_lun;
836 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
838 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
839 sizeof(struct scsi_sense_data));
840 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
841 gdt_ccb_vtop(gdt, gccb) +
842 offsetof(struct gdt_ccb, gc_scratch[0]));
845 * If we have any data to send with this command,
846 * map it into bus space.
848 /* Only use S/G if there is a transfer */
849 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
850 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
851 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
855 /* vorher unlock von splcam() ??? */
858 bus_dmamap_load(gdt->sc_buffer_dmat,
864 if (error == EINPROGRESS) {
865 xpt_freeze_simq(sim, 1);
866 gccb->gc_state |= CAM_RELEASE_SIMQ;
870 struct bus_dma_segment seg;
872 /* Pointer to physical buffer */
874 (bus_addr_t)ccb->csio.data_ptr;
875 seg.ds_len = ccb->csio.dxfer_len;
876 gdtexecuteccb(gccb, &seg, 1, 0);
879 struct bus_dma_segment *segs;
881 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
882 panic("iir%d: iir_action - Physical "
883 "segment pointers unsupported", gdt->sc_hanum);
885 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
886 panic("iir%d: iir_action - Virtual "
887 "segment addresses unsupported", gdt->sc_hanum);
889 /* Just use the segments provided */
890 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
891 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
894 gdtexecuteccb(gccb, NULL, 0, 0);
901 static struct gdt_ccb *
902 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock)
904 struct gdt_ccb *gccb;
908 u_int32_t blockno, blockcnt;
910 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb));
912 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) +
913 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
914 gdt->sc_ic_all_size) {
915 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n",
920 bzero(gdt->sc_cmd, GDT_CMD_SZ);
922 gccb = gdt_get_ccb(gdt);
924 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
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(gdt->sc_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(gdt->sc_cmd + GDT_CMD_OPCODE, opcode);
944 gdt_enc16(gdt->sc_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(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
957 gdt_enc32(gdt->sc_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_state |= CAM_RELEASE_SIMQ;
985 struct bus_dma_segment seg;
987 /* Pointer to physical buffer */
989 (bus_addr_t)ccb->csio.data_ptr;
990 seg.ds_len = ccb->csio.dxfer_len;
991 gdtexecuteccb(gccb, &seg, 1, 0);
994 struct bus_dma_segment *segs;
996 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
997 panic("iir%d: iir_action - Physical "
998 "segment pointers unsupported", gdt->sc_hanum);
1000 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
1001 panic("iir%d: iir_action - Virtual "
1002 "segment addresses unsupported", gdt->sc_hanum);
1004 /* Just use the segments provided */
1005 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
1006 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
1013 static struct gdt_ccb *
1014 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd, int *lock)
1016 struct gdt_ccb *gccb;
1019 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd));
1021 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1023 gccb = gdt_get_ccb(gdt);
1025 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
1029 gccb->gc_ucmd = ucmd;
1030 gccb->gc_service = ucmd->service;
1031 gccb->gc_flags = GDT_GCF_IOCTL;
1033 /* check DPMEM space, copy data buffer from user space */
1034 if (ucmd->service == GDT_CACHESERVICE) {
1035 if (ucmd->OpCode == GDT_IOCTL) {
1036 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ,
1038 cnt = ucmd->u.ioctl.param_size;
1039 if (cnt > GDT_SCRATCH_SZ) {
1040 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1041 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1042 gdt_free_ccb(gdt, gccb);
1046 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1047 GDT_SG_SZ, sizeof(u_int32_t));
1048 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1049 if (cnt > GDT_SCRATCH_SZ) {
1050 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1051 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1052 gdt_free_ccb(gdt, gccb);
1057 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1058 GDT_SG_SZ, sizeof(u_int32_t));
1059 cnt = ucmd->u.raw.sdlen;
1060 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) {
1061 printf("iir%d: Scratch buffer too small (%d/%d)\n",
1062 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len);
1063 gdt_free_ccb(gdt, gccb);
1068 bcopy(ucmd->data, gccb->gc_scratch, cnt);
1070 if (gdt->sc_cmd_off + gdt->sc_cmd_len + GDT_DPMEM_COMMAND_OFFSET >
1071 gdt->sc_ic_all_size) {
1072 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n",
1074 gdt_free_ccb(gdt, gccb);
1078 if (gdt->sc_cmd_cnt == 0)
1079 gdt->sc_set_sema0(gdt);
1082 /* fill cmd structure */
1083 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1084 gccb->gc_cmd_index);
1085 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE,
1088 if (ucmd->service == GDT_CACHESERVICE) {
1089 if (ucmd->OpCode == GDT_IOCTL) {
1091 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE,
1092 ucmd->u.ioctl.param_size);
1093 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC,
1094 ucmd->u.ioctl.subfunc);
1095 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL,
1096 ucmd->u.ioctl.channel);
1097 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
1098 gdt_ccb_vtop(gdt, gccb) +
1099 offsetof(struct gdt_ccb, gc_scratch[0]));
1101 /* cache service command */
1102 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
1103 ucmd->u.cache.DeviceNo);
1104 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
1105 ucmd->u.cache.BlockNo);
1106 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
1107 ucmd->u.cache.BlockCnt);
1108 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1110 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1112 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1113 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) +
1114 offsetof(struct gdt_ccb, gc_scratch[0]));
1115 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1116 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE);
1119 /* raw service command */
1120 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
1121 ucmd->u.raw.direction);
1122 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1124 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
1126 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
1128 bcopy(ucmd->u.raw.cmd, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
1130 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
1132 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
1134 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
1136 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
1137 ucmd->u.raw.sense_len);
1138 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
1139 gdt_ccb_vtop(gdt, gccb) +
1140 offsetof(struct gdt_ccb, gc_scratch[ucmd->u.raw.sdlen]));
1141 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1143 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1144 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) +
1145 offsetof(struct gdt_ccb, gc_scratch[0]));
1146 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1147 GDT_SG_LEN, ucmd->u.raw.sdlen);
1151 gdt_stat.sg_count_act = 1;
1152 gdt->sc_copy_cmd(gdt, gccb);
1157 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb)
1161 t = ccb->ccb_h.target_id;
1162 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n",
1163 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t));
1165 switch (ccb->csio.cdb_io.cdb_bytes[0]) {
1166 case TEST_UNIT_READY:
1170 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n"));
1174 struct scsi_inquiry_data *inq;
1176 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr;
1177 bzero(inq, sizeof(struct scsi_inquiry_data));
1178 inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ?
1180 inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0;
1181 inq->version = SCSI_REV_2;
1182 inq->response_format = 2;
1183 inq->additional_length = 32;
1184 inq->flags = SID_CmdQue | SID_Sync;
1185 strcpy(inq->vendor, "IIR ");
1186 sprintf(inq->product, "Host Drive #%02d", t);
1187 strcpy(inq->revision, " ");
1193 struct scsi_mode_hdr_6 hd;
1194 struct scsi_mode_block_descr bd;
1195 struct scsi_control_page cp;
1199 mpd = (struct mpd_data *)ccb->csio.data_ptr;
1200 bzero(mpd, sizeof(struct mpd_data));
1201 mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) +
1202 sizeof(struct scsi_mode_block_descr);
1203 mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0;
1204 mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr);
1205 mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16;
1206 mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8;
1207 mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff);
1208 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page;
1211 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page));
1218 struct scsi_read_capacity_data *rcd;
1220 rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;
1221 bzero(rcd, sizeof(struct scsi_read_capacity_data));
1222 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr);
1223 scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length);
1227 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n",
1228 ccb->csio.cdb_io.cdb_bytes[0]));
1231 ccb->ccb_h.status = CAM_REQ_CMP;
1232 --gdt_stat.io_count_act;
1237 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1239 bus_addr_t *busaddrp;
1241 busaddrp = (bus_addr_t *)arg;
1242 *busaddrp = dm_segs->ds_addr;
1246 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1248 struct gdt_ccb *gccb;
1250 struct gdt_softc *gdt;
1255 gccb = (struct gdt_ccb *)arg;
1257 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr);
1259 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n",
1260 gdt, gccb, dm_segs, nseg, error));
1261 gdt_stat.sg_count_act = nseg;
1262 if (nseg > gdt_stat.sg_count_max)
1263 gdt_stat.sg_count_max = nseg;
1265 /* Copy the segments into our SG list */
1266 if (gccb->gc_service == GDT_CACHESERVICE) {
1267 for (i = 0; i < nseg; ++i) {
1268 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1269 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1270 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1271 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1274 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1276 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1279 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1280 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1282 for (i = 0; i < nseg; ++i) {
1283 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1284 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1285 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1286 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1289 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1291 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1294 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1295 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1299 bus_dmasync_op_t op;
1301 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1302 op = BUS_DMASYNC_PREREAD;
1304 op = BUS_DMASYNC_PREWRITE;
1305 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op);
1308 /* We must NOT abort the command here if CAM_REQ_INPROG is not set,
1309 * because command semaphore is already set!
1312 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1313 /* timeout handling */
1314 ccb->ccb_h.timeout_ch =
1315 timeout(iir_timeout, (caddr_t)gccb,
1316 (ccb->ccb_h.timeout * hz) / 1000);
1318 gdt->sc_copy_cmd(gdt, gccb);
1324 iir_action( struct cam_sim *sim, union ccb *ccb )
1326 struct gdt_softc *gdt;
1327 int lock, bus, target, lun;
1329 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1330 ccb->ccb_h.ccb_sim_ptr = sim;
1331 bus = cam_sim_bus(sim);
1332 target = ccb->ccb_h.target_id;
1333 lun = ccb->ccb_h.target_lun;
1334 GDT_DPRINTF(GDT_D_CMD,
1335 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n",
1336 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0],
1338 ++gdt_stat.io_count_act;
1339 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
1340 gdt_stat.io_count_max = gdt_stat.io_count_act;
1342 switch (ccb->ccb_h.func_code) {
1345 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1346 ++gdt_stat.req_queue_act;
1347 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1348 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1352 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1353 case XPT_ABORT: /* Abort the specified CCB */
1355 ccb->ccb_h.status = CAM_REQ_INVALID;
1356 --gdt_stat.io_count_act;
1359 case XPT_SET_TRAN_SETTINGS:
1360 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1361 --gdt_stat.io_count_act;
1364 case XPT_GET_TRAN_SETTINGS:
1365 /* Get default/user set transfer settings for the target */
1367 struct ccb_trans_settings *cts;
1371 target_mask = 0x01 << target;
1372 if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) {
1373 cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB;
1374 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
1375 cts->sync_period = 25; /* 10MHz */
1376 if (cts->sync_period != 0)
1377 cts->sync_offset = 15;
1379 cts->valid = CCB_TRANS_SYNC_RATE_VALID
1380 | CCB_TRANS_SYNC_OFFSET_VALID
1381 | CCB_TRANS_BUS_WIDTH_VALID
1382 | CCB_TRANS_DISC_VALID
1383 | CCB_TRANS_TQ_VALID;
1384 ccb->ccb_h.status = CAM_REQ_CMP;
1386 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1388 --gdt_stat.io_count_act;
1392 case XPT_CALC_GEOMETRY:
1394 struct ccb_calc_geometry *ccg;
1395 u_int32_t secs_per_cylinder;
1398 ccg->heads = gdt->sc_hdr[target].hd_heads;
1399 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs;
1400 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1401 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1402 ccb->ccb_h.status = CAM_REQ_CMP;
1403 --gdt_stat.io_count_act;
1407 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1410 ccb->ccb_h.status = CAM_REQ_CMP;
1411 --gdt_stat.io_count_act;
1415 case XPT_TERM_IO: /* Terminate the I/O process */
1417 ccb->ccb_h.status = CAM_REQ_INVALID;
1418 --gdt_stat.io_count_act;
1421 case XPT_PATH_INQ: /* Path routing inquiry */
1423 struct ccb_pathinq *cpi = &ccb->cpi;
1425 cpi->version_num = 1;
1426 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
1427 cpi->hba_inquiry |= PI_WIDE_16;
1428 cpi->target_sprt = 1;
1430 cpi->hba_eng_cnt = 0;
1431 if (bus == gdt->sc_virt_bus)
1432 cpi->max_target = GDT_MAX_HDRIVES - 1;
1433 else if (gdt->sc_class & GDT_FC)
1434 cpi->max_target = GDT_MAXID_FC - 1;
1436 cpi->max_target = GDT_MAXID - 1;
1438 cpi->unit_number = cam_sim_unit(sim);
1441 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]);
1442 cpi->base_transfer_speed = 3300;
1443 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1444 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
1445 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1446 cpi->ccb_h.status = CAM_REQ_CMP;
1447 --gdt_stat.io_count_act;
1452 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n",
1453 gdt, ccb->ccb_h.func_code));
1454 ccb->ccb_h.status = CAM_REQ_INVALID;
1455 --gdt_stat.io_count_act;
1462 iir_poll( struct cam_sim *sim )
1464 struct gdt_softc *gdt;
1466 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1467 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt));
1472 iir_timeout(void *arg)
1474 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", arg));
1478 iir_watchdog(void *arg)
1480 struct gdt_softc *gdt;
1482 gdt = (struct gdt_softc *)arg;
1483 GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt));
1486 int ccbs = 0, ucmds = 0, frees = 0, pends = 0;
1491 for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL;
1492 h = TAILQ_NEXT(h, sim_links.tqe))
1494 for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL;
1495 u = TAILQ_NEXT(u, links))
1497 for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL;
1498 p = SLIST_NEXT(p, sle))
1500 for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL;
1501 p = SLIST_NEXT(p, sle))
1504 GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n",
1505 ccbs, ucmds, frees, pends));
1508 timeout(iir_watchdog, (caddr_t)gdt, hz * 15);
1512 iir_shutdown( void *arg, int howto )
1514 struct gdt_softc *gdt;
1515 struct gdt_ccb *gccb;
1519 gdt = (struct gdt_softc *)arg;
1520 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto));
1522 printf("iir%d: Flushing all Host Drives. Please wait ... ",
1525 /* allocate ucmd buffer */
1526 ucmd = malloc(sizeof(gdt_ucmd_t), M_DEVBUF, M_NOWAIT);
1528 printf("iir%d: iir_shutdown(): Cannot allocate resource\n",
1532 bzero(ucmd, sizeof(gdt_ucmd_t));
1534 /* wait for pending IOs */
1536 gdt->sc_state = GDT_SHUTDOWN;
1538 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL)
1539 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz);
1542 for (i = 0; i < GDT_MAX_HDRIVES; ++i) {
1543 if (gdt->sc_hdr[i].hd_present) {
1544 ucmd->service = GDT_CACHESERVICE;
1545 ucmd->OpCode = GDT_FLUSH;
1546 ucmd->u.cache.DeviceNo = i;
1548 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
1549 ucmd->complete_flag = FALSE;
1552 if (!ucmd->complete_flag)
1553 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz);
1557 free(ucmd, M_DEVBUF);
1564 struct gdt_softc *gdt = arg;
1565 struct gdt_intr_ctx ctx;
1567 struct gdt_ccb *gccb;
1571 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt));
1573 /* If polling and we were not called from gdt_wait, just return */
1574 if ((gdt->sc_state & GDT_POLLING) &&
1575 !(gdt->sc_state & GDT_POLL_WAIT))
1578 if (!(gdt->sc_state & GDT_POLLING))
1582 ctx.istatus = gdt->sc_get_status(gdt);
1584 if (!(gdt->sc_state & GDT_POLLING))
1586 gdt->sc_status = GDT_S_NO_STATUS;
1590 gdt->sc_intr(gdt, &ctx);
1592 gdt->sc_status = ctx.cmd_status;
1593 gdt->sc_service = ctx.service;
1594 gdt->sc_info = ctx.info;
1595 gdt->sc_info2 = ctx.info2;
1597 if (gdt->sc_state & GDT_POLL_WAIT) {
1599 gdt_wait_index = ctx.istatus;
1602 if (ctx.istatus == GDT_ASYNCINDEX) {
1603 gdt_async_event(gdt, ctx.service);
1604 if (!(gdt->sc_state & GDT_POLLING))
1608 if (ctx.istatus == GDT_SPEZINDEX) {
1609 GDT_DPRINTF(GDT_D_INVALID,
1610 ("iir%d: Service unknown or not initialized!\n",
1612 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1613 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1614 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr);
1615 if (!(gdt->sc_state & GDT_POLLING))
1620 gccb = &gdt->sc_gccbs[ctx.istatus - 2];
1621 ctx.service = gccb->gc_service;
1623 switch (gccb->gc_flags) {
1624 case GDT_GCF_UNUSED:
1625 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n",
1626 gdt->sc_hanum, ctx.istatus));
1627 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1628 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1629 gdt->sc_dvr.eu.driver.index = ctx.istatus;
1630 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr);
1631 gdt_free_ccb(gdt, gccb);
1634 case GDT_GCF_INTERNAL:
1635 if (!(gdt->sc_state & GDT_POLLING))
1640 ucmd = gccb->gc_ucmd;
1641 if (gdt->sc_status == GDT_S_BSY) {
1642 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n",
1644 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
1645 if (!(gdt->sc_state & GDT_POLLING))
1648 ucmd->status = gdt->sc_status;
1649 ucmd->info = gdt->sc_info;
1650 ucmd->complete_flag = TRUE;
1651 if (ucmd->service == GDT_CACHESERVICE) {
1652 if (ucmd->OpCode == GDT_IOCTL) {
1653 cnt = ucmd->u.ioctl.param_size;
1655 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1657 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1659 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1662 cnt = ucmd->u.raw.sdlen;
1664 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1665 if (ucmd->u.raw.sense_len != 0)
1666 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1668 gdt_free_ccb(gdt, gccb);
1669 if (!(gdt->sc_state & GDT_POLLING))
1678 gdt_free_ccb(gdt, gccb);
1679 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb);
1680 if (!(gdt->sc_state & GDT_POLLING))
1688 gdt_async_event(struct gdt_softc *gdt, int service)
1690 struct gdt_ccb *gccb;
1692 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service));
1694 if (service == GDT_SCREENSERVICE) {
1695 if (gdt->sc_status == GDT_MSG_REQUEST) {
1696 while (gdt->sc_test_busy(gdt))
1698 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1699 gccb = gdt_get_ccb(gdt);
1701 printf("iir%d: No free command index found\n",
1705 gccb->gc_service = service;
1706 gccb->gc_flags = GDT_GCF_SCREEN;
1707 gdt->sc_set_sema0(gdt);
1708 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1709 gccb->gc_cmd_index);
1710 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ);
1711 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1712 GDT_MSG_INV_HANDLE);
1713 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1714 gdt_ccb_vtop(gdt, gccb) +
1715 offsetof(struct gdt_ccb, gc_scratch[0]));
1716 gdt->sc_cmd_off = 0;
1717 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1719 gdt->sc_cmd_cnt = 0;
1720 gdt->sc_copy_cmd(gdt, gccb);
1721 printf("iir%d: [PCI %d/%d] ",
1722 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot);
1723 gdt->sc_release_event(gdt);
1727 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) {
1728 gdt->sc_dvr.size = 0;
1729 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1730 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1731 /* severity and event_string already set! */
1733 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async);
1734 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1735 gdt->sc_dvr.eu.async.service = service;
1736 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1737 gdt->sc_dvr.eu.async.info = gdt->sc_info;
1738 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2;
1740 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr);
1741 printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string);
1748 gdt_sync_event(struct gdt_softc *gdt, int service,
1749 u_int8_t index, struct gdt_ccb *gccb)
1752 bus_dmasync_op_t op;
1754 GDT_DPRINTF(GDT_D_INTR,
1755 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb));
1759 if (service == GDT_SCREENSERVICE) {
1762 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN);
1764 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1765 gccb->gc_scratch[GDT_SCR_MSG_EXT])) {
1766 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0';
1767 printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]);
1770 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] &&
1771 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) {
1772 while (gdt->sc_test_busy(gdt))
1774 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1775 gccb = gdt_get_ccb(gdt);
1777 printf("iir%d: No free command index found\n",
1781 gccb->gc_service = service;
1782 gccb->gc_flags = GDT_GCF_SCREEN;
1783 gdt->sc_set_sema0(gdt);
1784 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1785 gccb->gc_cmd_index);
1786 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ);
1787 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1788 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1789 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1790 gdt_ccb_vtop(gdt, gccb) +
1791 offsetof(struct gdt_ccb, gc_scratch[0]));
1792 gdt->sc_cmd_off = 0;
1793 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1795 gdt->sc_cmd_cnt = 0;
1796 gdt->sc_copy_cmd(gdt, gccb);
1797 gdt->sc_release_event(gdt);
1801 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1802 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) {
1803 /* default answers (getchar() not possible) */
1804 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) {
1805 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0);
1806 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1);
1807 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0;
1809 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN,
1810 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2);
1811 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2);
1812 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1;
1813 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0;
1815 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0;
1816 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0;
1817 while (gdt->sc_test_busy(gdt))
1819 bzero(gdt->sc_cmd, GDT_CMD_SZ);
1820 gccb = gdt_get_ccb(gdt);
1822 printf("iir%d: No free command index found\n",
1826 gccb->gc_service = service;
1827 gccb->gc_flags = GDT_GCF_SCREEN;
1828 gdt->sc_set_sema0(gdt);
1829 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX,
1830 gccb->gc_cmd_index);
1831 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
1832 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1833 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1834 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1835 gdt_ccb_vtop(gdt, gccb) +
1836 offsetof(struct gdt_ccb, gc_scratch[0]));
1837 gdt->sc_cmd_off = 0;
1838 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1840 gdt->sc_cmd_cnt = 0;
1841 gdt->sc_copy_cmd(gdt, gccb);
1842 gdt->sc_release_event(gdt);
1848 untimeout(iir_timeout, gccb, ccb->ccb_h.timeout_ch);
1849 if (gdt->sc_status == GDT_S_BSY) {
1850 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n",
1852 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1853 ++gdt_stat.req_queue_act;
1854 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1855 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1859 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1860 op = BUS_DMASYNC_POSTREAD;
1862 op = BUS_DMASYNC_POSTWRITE;
1863 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op);
1865 ccb->csio.resid = 0;
1866 if (gdt->sc_status == GDT_S_OK) {
1867 ccb->ccb_h.status = CAM_REQ_CMP;
1870 if (gccb->gc_service == GDT_CACHESERVICE) {
1871 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1872 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1873 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
1874 ccb->csio.sense_data.error_code =
1875 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID;
1876 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY;
1878 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync);
1879 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum;
1880 gdt->sc_dvr.eu.sync.service = service;
1881 gdt->sc_dvr.eu.sync.status = gdt->sc_status;
1882 gdt->sc_dvr.eu.sync.info = gdt->sc_info;
1883 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id;
1884 if (gdt->sc_status >= 0x8000)
1885 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr);
1887 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr);
1890 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) {
1891 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1893 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID;
1894 ccb->csio.scsi_status = gdt->sc_info;
1895 bcopy(gccb->gc_scratch, &ccb->csio.sense_data,
1896 ccb->csio.sense_len);
1900 --gdt_stat.io_count_act;
1906 /* Controller event handling functions */
1907 gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx,
1913 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx));
1914 if (source == 0) /* no source -> no event */
1917 if (ebuffer[elastidx].event_source == source &&
1918 ebuffer[elastidx].event_idx == idx &&
1919 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
1920 !memcmp((char *)&ebuffer[elastidx].event_data.eu,
1921 (char *)&evt->eu, evt->size)) ||
1922 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
1923 !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
1924 (char *)&evt->event_string)))) {
1925 e = &ebuffer[elastidx];
1927 e->last_stamp = tv.tv_sec;
1930 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
1932 if (elastidx == GDT_MAX_EVENTS)
1934 if (elastidx == eoldidx) { /* reached mark ? */
1936 if (eoldidx == GDT_MAX_EVENTS)
1940 e = &ebuffer[elastidx];
1941 e->event_source = source;
1944 e->first_stamp = e->last_stamp = tv.tv_sec;
1946 e->event_data = *evt;
1952 int gdt_read_event(int handle, gdt_evt_str *estr)
1957 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle));
1963 estr->event_source = 0;
1965 if (eindex >= GDT_MAX_EVENTS) {
1969 e = &ebuffer[eindex];
1970 if (e->event_source != 0) {
1971 if (eindex != elastidx) {
1972 if (++eindex == GDT_MAX_EVENTS)
1977 memcpy(estr, e, sizeof(gdt_evt_str));
1983 void gdt_readapp_event(u_int8_t application, gdt_evt_str *estr)
1989 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application));
1993 e = &ebuffer[eindex];
1994 if (e->event_source == 0)
1996 if ((e->application & application) == 0) {
1997 e->application |= application;
2001 if (eindex == elastidx)
2003 if (++eindex == GDT_MAX_EVENTS)
2007 memcpy(estr, e, sizeof(gdt_evt_str));
2009 estr->event_source = 0;
2013 void gdt_clear_events()
2015 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n"));
2017 eoldidx = elastidx = 0;
2018 ebuffer[0].event_source = 0;