1 /* $FreeBSD: src/sys/dev/iir/iir.c,v 1.24 2010/01/08 15:47:23 trasz Exp $ */
3 * Copyright (c) 2000-04 ICP vortex GmbH
4 * Copyright (c) 2002-04 Intel Corporation
5 * Copyright (c) 2003-04 Adaptec Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification, immediately at the beginning of the file.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver
36 * Written by: Achim Leubner <achim_leubner@adaptec.com>
37 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com>
39 * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers.
40 * Mike Smith; Some driver source code.
41 * FreeBSD.ORG; Great O/S to work on and for.
43 * $Id: iir.c 1.5 2004/03/30 10:17:53 achim Exp $"
49 /* #include "opt_iir.h" */
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/types.h>
53 #include <sys/endian.h>
54 #include <sys/eventhandler.h>
55 #include <sys/malloc.h>
56 #include <sys/kernel.h>
58 #include <sys/thread2.h>
60 #include <machine/stdarg.h>
62 #include <bus/cam/cam.h>
63 #include <bus/cam/cam_ccb.h>
64 #include <bus/cam/cam_sim.h>
65 #include <bus/cam/cam_xpt_sim.h>
66 #include <bus/cam/cam_debug.h>
67 #include <bus/cam/scsi/scsi_all.h>
68 #include <bus/cam/scsi/scsi_message.h>
70 #include <dev/raid/iir/iir.h>
72 MALLOC_DEFINE(M_GDTBUF, "iirbuf", "iir driver buffer");
74 struct gdt_softc *gdt_wait_gdt;
78 int gdt_debug = GDT_DEBUG;
80 #define MAX_SERBUF 160
81 static void ser_init(void);
82 static void ser_puts(char *str);
83 static void ser_putc(int c);
84 static char strbuf[MAX_SERBUF+1];
86 #define COM_BASE 0x2f8
88 #define COM_BASE 0x3f8
90 static void ser_init()
92 unsigned port=COM_BASE;
96 /* 19200 Baud, if 9600: outb(12,port) */
102 static void ser_puts(char *str)
107 for (ptr=str;*ptr;++ptr)
108 ser_putc((int)(*ptr));
111 static void ser_putc(int c)
113 unsigned port=COM_BASE;
115 while ((inb(port+5) & 0x20)==0);
119 while ((inb(port+5) & 0x20)==0);
125 ser_kprintf(const char *fmt, ...)
130 __va_start(args,fmt);
131 i = kvsprintf(strbuf,fmt,args);
139 /* The linked list of softc structures */
140 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs);
141 /* controller cnt. */
144 static gdt_evt_str ebuffer[GDT_MAX_EVENTS];
145 static int elastidx, eoldidx;
147 gdt_statist_t gdt_stat;
149 /* Definitions for our use of the SIM private CCB area */
150 #define ccb_sim_ptr spriv_ptr0
151 #define ccb_priority spriv_field1
153 static void iir_action(struct cam_sim *sim, union ccb *ccb);
154 static void iir_poll(struct cam_sim *sim);
155 static void iir_shutdown(void *arg, int howto);
156 static void iir_timeout(void *arg);
158 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads,
160 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
161 u_int8_t service, u_int16_t opcode,
162 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3);
163 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb,
166 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt);
168 static int gdt_sync_event(struct gdt_softc *gdt, int service,
169 u_int8_t index, struct gdt_ccb *gccb);
170 static int gdt_async_event(struct gdt_softc *gdt, int service);
171 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb);
172 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb);
173 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd);
174 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb);
176 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs,
177 int nseg, int error);
178 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs,
179 int nseg, int error);
182 iir_init(struct gdt_softc *gdt)
185 int i, id, drv_cyls, drv_hds, drv_secs;
186 struct gdt_ccb *gccb;
188 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n"));
190 gdt->sc_state = GDT_POLLING;
192 bzero(&gdt_stat, sizeof(gdt_statist_t));
194 SLIST_INIT(&gdt->sc_free_gccb);
195 SLIST_INIT(&gdt->sc_pending_gccb);
196 TAILQ_INIT(&gdt->sc_ccb_queue);
197 TAILQ_INIT(&gdt->sc_ucmd_queue);
198 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links);
200 /* DMA tag for mapping buffers into device visible space. */
201 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0,
202 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
203 /*highaddr*/BUS_SPACE_MAXADDR,
204 /*filter*/NULL, /*filterarg*/NULL,
205 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG,
206 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
207 /*flags*/BUS_DMA_ALLOCNOW,
208 &gdt->sc_buffer_dmat) != 0) {
209 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n",
213 gdt->sc_init_level++;
215 /* DMA tag for our ccb structures */
216 if (bus_dma_tag_create(gdt->sc_parent_dmat,
219 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
220 /*highaddr*/BUS_SPACE_MAXADDR,
223 GDT_MAXCMDS * GDT_SCRATCH_SZ, /* maxsize */
225 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
226 /*flags*/0, &gdt->sc_gcscratch_dmat) != 0) {
227 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_gcscratch_dmat) failed\n",
231 gdt->sc_init_level++;
233 /* Allocation for our ccb scratch area */
234 if (bus_dmamem_alloc(gdt->sc_gcscratch_dmat, (void *)&gdt->sc_gcscratch,
235 BUS_DMA_NOWAIT, &gdt->sc_gcscratch_dmamap) != 0) {
236 kprintf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gcscratch,...) failed\n",
240 gdt->sc_init_level++;
242 /* And permanently map them */
243 bus_dmamap_load(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap,
244 gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ,
245 gdtmapmem, &gdt->sc_gcscratch_busbase, /*flags*/0);
246 gdt->sc_init_level++;
248 /* Clear them out. */
249 bzero(gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ);
251 /* Initialize the ccbs */
252 gdt->sc_gccbs = kmalloc(sizeof(struct gdt_ccb) * GDT_MAXCMDS, M_GDTBUF,
254 if (gdt->sc_gccbs == NULL) {
255 kprintf("iir%d: no memory for gccbs.\n", gdt->sc_hanum);
258 for (i = GDT_MAXCMDS-1; i >= 0; i--) {
259 gccb = &gdt->sc_gccbs[i];
260 gccb->gc_cmd_index = i + 2;
261 gccb->gc_flags = GDT_GCF_UNUSED;
262 gccb->gc_map_flag = FALSE;
263 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0,
264 &gccb->gc_dmamap) != 0)
266 gccb->gc_map_flag = TRUE;
267 gccb->gc_scratch = &gdt->sc_gcscratch[GDT_SCRATCH_SZ * i];
268 gccb->gc_scratch_busbase = gdt->sc_gcscratch_busbase + GDT_SCRATCH_SZ * i;
269 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
271 gdt->sc_init_level++;
273 /* create the control device */
274 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum);
276 /* allocate ccb for gdt_internal_cmd() */
277 gccb = gdt_get_ccb(gdt);
279 kprintf("iir%d: No free command index found\n",
283 bzero(gccb->gc_cmd, GDT_CMD_SZ);
285 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT,
287 kprintf("iir%d: Screen service initialization error %d\n",
288 gdt->sc_hanum, gdt->sc_status);
289 gdt_free_ccb(gdt, gccb);
293 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO,
296 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT,
297 GDT_LINUX_OS, 0, 0)) {
298 kprintf("iir%d: Cache service initialization error %d\n",
299 gdt->sc_hanum, gdt->sc_status);
300 gdt_free_ccb(gdt, gccb);
303 cdev_cnt = (u_int16_t)gdt->sc_info;
304 gdt->sc_fw_vers = gdt->sc_service;
306 /* Detect number of buses */
307 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST);
308 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS;
309 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0;
310 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1;
311 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ);
312 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
313 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL,
314 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) {
315 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT];
316 for (i = 0; i < gdt->sc_bus_cnt; i++) {
317 id = gccb->gc_scratch[GDT_IOC_HDR_SZ +
318 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID];
319 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff;
322 /* New method failed, use fallback. */
323 for (i = 0; i < GDT_MAXBUS; i++) {
324 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i);
325 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
326 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN,
327 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL,
330 kprintf("iir%d: Cannot get channel count, "
331 "error %d\n", gdt->sc_hanum, gdt->sc_status);
332 gdt_free_ccb(gdt, gccb);
338 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ?
339 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff;
343 /* add one "virtual" channel for the host drives */
344 gdt->sc_virt_bus = gdt->sc_bus_cnt;
347 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT,
349 kprintf("iir%d: Raw service initialization error %d\n",
350 gdt->sc_hanum, gdt->sc_status);
351 gdt_free_ccb(gdt, gccb);
355 /* Set/get features raw service (scatter/gather) */
356 gdt->sc_raw_feat = 0;
357 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT,
358 GDT_SCATTER_GATHER, 0, 0)) {
359 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT,
361 gdt->sc_raw_feat = gdt->sc_info;
362 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
363 panic("iir%d: Scatter/Gather Raw Service "
364 "required but not supported!\n", gdt->sc_hanum);
365 gdt_free_ccb(gdt, gccb);
371 /* Set/get features cache service (scatter/gather) */
372 gdt->sc_cache_feat = 0;
373 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT,
374 0, GDT_SCATTER_GATHER, 0)) {
375 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT,
377 gdt->sc_cache_feat = gdt->sc_info;
378 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) {
379 panic("iir%d: Scatter/Gather Cache Service "
380 "required but not supported!\n", gdt->sc_hanum);
381 gdt_free_ccb(gdt, gccb);
388 gdt_enc32(gccb->gc_scratch + GDT_OEM_VERSION, 0x01);
389 gdt_enc32(gccb->gc_scratch + GDT_OEM_BUFSIZE, sizeof(gdt_oem_record_t));
390 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL,
391 GDT_OEM_STR_RECORD, GDT_INVALID_CHANNEL,
392 sizeof(gdt_oem_str_record_t))) {
393 strncpy(gdt->oem_name, ((gdt_oem_str_record_t *)
394 gccb->gc_scratch)->text.scsi_host_drive_inquiry_vendor_id, 7);
395 gdt->oem_name[7]='\0';
397 /* Old method, based on PCI ID */
398 if (gdt->sc_vendor == INTEL_VENDOR_ID)
399 strcpy(gdt->oem_name,"Intel ");
401 strcpy(gdt->oem_name,"ICP ");
404 /* Scan for cache devices */
405 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) {
406 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO,
408 gdt->sc_hdr[i].hd_present = 1;
409 gdt->sc_hdr[i].hd_size = gdt->sc_info;
412 * Evaluate mapping (sectors per head, heads per cyl)
414 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32;
415 if (gdt->sc_info2 == 0)
416 gdt_eval_mapping(gdt->sc_hdr[i].hd_size,
417 &drv_cyls, &drv_hds, &drv_secs);
419 drv_hds = gdt->sc_info2 & 0xff;
420 drv_secs = (gdt->sc_info2 >> 8) & 0xff;
421 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds /
424 gdt->sc_hdr[i].hd_heads = drv_hds;
425 gdt->sc_hdr[i].hd_secs = drv_secs;
427 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs;
429 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE,
430 GDT_DEVTYPE, i, 0, 0))
431 gdt->sc_hdr[i].hd_devtype = gdt->sc_info;
435 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n",
437 gdt->sc_bus_cnt, cdev_cnt,
438 cdev_cnt == 1 ? "" : "s"));
439 gdt_free_ccb(gdt, gccb);
446 iir_free(struct gdt_softc *gdt)
450 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n"));
452 switch (gdt->sc_init_level) {
454 gdt_destroy_dev(gdt->sc_dev);
456 for (i = GDT_MAXCMDS-1; i >= 0; i--)
457 if (gdt->sc_gccbs[i].gc_map_flag)
458 bus_dmamap_destroy(gdt->sc_buffer_dmat,
459 gdt->sc_gccbs[i].gc_dmamap);
460 bus_dmamap_unload(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap);
461 kfree(gdt->sc_gccbs, M_GDTBUF);
463 bus_dmamem_free(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch, gdt->sc_gcscratch_dmamap);
465 bus_dma_tag_destroy(gdt->sc_gcscratch_dmat);
467 bus_dma_tag_destroy(gdt->sc_buffer_dmat);
469 bus_dma_tag_destroy(gdt->sc_parent_dmat);
473 TAILQ_REMOVE(&gdt_softcs, gdt, links);
477 iir_attach(struct gdt_softc *gdt)
479 struct cam_devq *devq;
482 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n"));
484 callout_init(&gdt->watchdog_timer);
486 * Create the device queue for our SIM.
487 * XXX Throttle this down since the card has problems under load.
489 devq = cam_simq_alloc(32);
493 for (i = 0; i < gdt->sc_bus_cnt; i++) {
495 * Construct our SIM entry
497 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir",
498 gdt, gdt->sc_hanum, &sim_mplock,
500 /*tagged*/GDT_MAXCMDS, devq);
501 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) {
502 cam_sim_free(gdt->sims[i]);
506 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL,
507 cam_sim_path(gdt->sims[i]),
509 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
510 xpt_bus_deregister(cam_sim_path(gdt->sims[i]));
511 cam_sim_free(gdt->sims[i]);
515 cam_simq_release(devq);
517 EVENTHANDLER_REGISTER(shutdown_post_sync, iir_shutdown,
518 gdt, SHUTDOWN_PRI_DRIVER);
519 gdt->sc_state = GDT_NORMAL;
523 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs)
525 *cyls = size / GDT_HEADS / GDT_SECS;
526 if (*cyls < GDT_MAXCYLS) {
530 /* Too high for 64 * 32 */
531 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS;
532 if (*cyls < GDT_MAXCYLS) {
533 *heads = GDT_MEDHEADS;
536 /* Too high for 127 * 63 */
537 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS;
538 *heads = GDT_BIGHEADS;
545 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb,
550 GDT_DPRINTF(GDT_D_INIT,
551 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout));
553 gdt->sc_state |= GDT_POLL_WAIT;
556 if (gdt == gdt_wait_gdt &&
557 gccb->gc_cmd_index == gdt_wait_index) {
563 gdt->sc_state &= ~GDT_POLL_WAIT;
565 while (gdt->sc_test_busy(gdt))
566 DELAY(1); /* XXX correct? */
572 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
573 u_int8_t service, u_int16_t opcode,
574 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
578 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n",
579 gdt, service, opcode, arg1, arg2, arg3));
581 bzero(gccb->gc_cmd, GDT_CMD_SZ);
583 for (retries = GDT_RETRIES; ; ) {
584 gccb->gc_service = service;
585 gccb->gc_flags = GDT_GCF_INTERNAL;
587 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
589 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
592 case GDT_CACHESERVICE:
593 if (opcode == GDT_IOCTL) {
594 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
595 GDT_IOCTL_SUBFUNC, arg1);
596 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
597 GDT_IOCTL_CHANNEL, arg2);
598 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
599 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3);
600 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
601 gccb->gc_scratch_busbase);
603 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
604 GDT_CACHE_DEVICENO, (u_int16_t)arg1);
605 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
606 GDT_CACHE_BLOCKNO, arg2);
610 case GDT_SCSIRAWSERVICE:
611 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
612 GDT_RAW_DIRECTION, arg1);
613 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
615 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
617 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
618 (u_int8_t)(arg3 >> 8);
621 gdt->sc_set_sema0(gdt);
622 gccb->gc_cmd_len = GDT_CMD_SZ;
625 gdt->sc_copy_cmd(gdt, gccb);
626 gdt->sc_release_event(gdt);
628 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT))
630 if (gdt->sc_status != GDT_S_BSY || --retries == 0)
634 return (gdt->sc_status == GDT_S_OK);
637 static struct gdt_ccb *
638 gdt_get_ccb(struct gdt_softc *gdt)
640 struct gdt_ccb *gccb;
642 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt));
645 gccb = SLIST_FIRST(&gdt->sc_free_gccb);
647 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle);
648 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle);
649 ++gdt_stat.cmd_index_act;
650 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max)
651 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act;
658 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb)
660 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb));
663 gccb->gc_flags = GDT_GCF_UNUSED;
664 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle);
665 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
666 --gdt_stat.cmd_index_act;
668 if (gdt->sc_state & GDT_SHUTDOWN)
673 gdt_next(struct gdt_softc *gdt)
678 int bus, target, lun;
681 struct ccb_scsiio *csio;
682 struct ccb_hdr *ccbh;
683 struct gdt_ccb *gccb = NULL;
686 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt));
689 if (gdt->sc_test_busy(gdt)) {
690 if (!(gdt->sc_state & GDT_POLLING)) {
694 while (gdt->sc_test_busy(gdt))
698 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0;
701 /* I/Os in queue? controller ready? */
702 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) &&
703 !TAILQ_FIRST(&gdt->sc_ccb_queue))
706 /* 1.: I/Os without ccb (IOCTLs) */
707 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue);
709 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links);
710 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) {
711 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
715 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */
718 /* 2.: I/Os with ccb */
719 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue);
720 /* ist dann immer != NULL, da oben getestet */
721 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
722 bus = cam_sim_bus(sim);
723 target = ccb->ccb_h.target_id;
724 lun = ccb->ccb_h.target_lun;
726 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
727 --gdt_stat.req_queue_act;
728 /* ccb->ccb_h.func_code is XPT_SCSI_IO */
729 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n",
733 cmd = csio->cdb_io.cdb_bytes[0];
734 /* Max CDB length is 12 bytes */
735 if (csio->cdb_len > 12) {
736 ccbh->status = CAM_REQ_INVALID;
737 --gdt_stat.io_count_act;
739 } else if (bus != gdt->sc_virt_bus) {
740 /* raw service command */
741 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) {
742 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
744 ++gdt_stat.req_queue_act;
745 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
746 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
749 } else if (target >= GDT_MAX_HDRIVES ||
750 !gdt->sc_hdr[target].hd_present || lun != 0) {
751 ccbh->status = CAM_DEV_NOT_THERE;
752 --gdt_stat.io_count_act;
755 /* cache service command */
756 if (cmd == READ_6 || cmd == WRITE_6 ||
757 cmd == READ_10 || cmd == WRITE_10) {
758 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) {
759 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
761 ++gdt_stat.req_queue_act;
762 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
763 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
768 gdt_internal_cache_cmd(gdt, ccb);
772 if ((gdt->sc_state & GDT_POLLING) || !next_cmd)
775 if (gdt->sc_cmd_cnt > 0)
776 gdt->sc_release_event(gdt);
780 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) {
781 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT);
785 static struct gdt_ccb *
786 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb)
788 struct gdt_ccb *gccb;
791 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb));
793 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) +
794 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
795 gdt->sc_ic_all_size) {
796 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n",
801 gccb = gdt_get_ccb(gdt);
803 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n",
807 bzero(gccb->gc_cmd, GDT_CMD_SZ);
808 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
810 gccb->gc_service = GDT_SCSIRAWSERVICE;
811 gccb->gc_flags = GDT_GCF_SCSI;
813 if (gdt->sc_cmd_cnt == 0)
814 gdt->sc_set_sema0(gdt);
816 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
818 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
820 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
821 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
822 GDT_DATA_IN : GDT_DATA_OUT);
823 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
824 ccb->csio.dxfer_len);
825 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
827 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
829 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
830 ccb->ccb_h.target_id;
831 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
832 ccb->ccb_h.target_lun;
833 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
835 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
836 sizeof(struct scsi_sense_data));
837 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
838 gccb->gc_scratch_busbase);
841 * If we have any data to send with this command,
842 * map it into bus space.
844 /* Only use S/G if there is a transfer */
845 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
846 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
847 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
850 /* vorher unlock von splcam() ??? */
853 bus_dmamap_load(gdt->sc_buffer_dmat,
859 if (error == EINPROGRESS) {
860 xpt_freeze_simq(sim, 1);
861 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
865 panic("iir: CAM_DATA_PHYS not supported");
868 struct bus_dma_segment *segs;
870 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
871 panic("iir%d: iir_action - Physical "
872 "segment pointers unsupported", gdt->sc_hanum);
874 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
875 panic("iir%d: iir_action - Virtual "
876 "segment addresses unsupported", gdt->sc_hanum);
878 /* Just use the segments provided */
879 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
880 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
883 gdtexecuteccb(gccb, NULL, 0, 0);
890 static struct gdt_ccb *
891 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb)
893 struct gdt_ccb *gccb;
897 u_int32_t blockno, blockcnt;
899 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb));
901 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) +
902 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
903 gdt->sc_ic_all_size) {
904 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n",
909 gccb = gdt_get_ccb(gdt);
911 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
915 bzero(gccb->gc_cmd, GDT_CMD_SZ);
916 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
918 gccb->gc_service = GDT_CACHESERVICE;
919 gccb->gc_flags = GDT_GCF_SCSI;
921 if (gdt->sc_cmd_cnt == 0)
922 gdt->sc_set_sema0(gdt);
924 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
926 cmdp = ccb->csio.cdb_io.cdb_bytes;
927 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ;
928 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE)
929 opcode = GDT_WRITE_THR;
930 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
932 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
933 ccb->ccb_h.target_id);
934 if (ccb->csio.cdb_len == 6) {
935 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp;
936 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff);
937 blockcnt = rw->length ? rw->length : 0x100;
939 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp;
940 blockno = scsi_4btoul(rw->addr);
941 blockcnt = scsi_2btoul(rw->length);
943 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
945 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
949 * If we have any data to send with this command,
950 * map it into bus space.
952 /* Only use S/G if there is a transfer */
953 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
954 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
957 /* vorher unlock von splcam() ??? */
960 bus_dmamap_load(gdt->sc_buffer_dmat,
966 if (error == EINPROGRESS) {
967 xpt_freeze_simq(sim, 1);
968 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
972 panic("iir: CAM_DATA_PHYS not supported");
975 struct bus_dma_segment *segs;
977 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
978 panic("iir%d: iir_action - Physical "
979 "segment pointers unsupported", gdt->sc_hanum);
981 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
982 panic("iir%d: iir_action - Virtual "
983 "segment addresses unsupported", gdt->sc_hanum);
985 /* Just use the segments provided */
986 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
987 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
994 static struct gdt_ccb *
995 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd)
997 struct gdt_ccb *gccb;
1000 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd));
1002 gccb = gdt_get_ccb(gdt);
1004 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
1008 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1009 gccb->gc_ucmd = ucmd;
1010 gccb->gc_service = ucmd->service;
1011 gccb->gc_flags = GDT_GCF_IOCTL;
1013 /* check DPMEM space, copy data buffer from user space */
1014 if (ucmd->service == GDT_CACHESERVICE) {
1015 if (ucmd->OpCode == GDT_IOCTL) {
1016 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ,
1018 cnt = ucmd->u.ioctl.param_size;
1019 if (cnt > GDT_SCRATCH_SZ) {
1020 kprintf("iir%d: Scratch buffer too small (%d/%d)\n",
1021 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1022 gdt_free_ccb(gdt, gccb);
1026 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1027 GDT_SG_SZ, sizeof(u_int32_t));
1028 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1029 if (cnt > GDT_SCRATCH_SZ) {
1030 kprintf("iir%d: Scratch buffer too small (%d/%d)\n",
1031 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1032 gdt_free_ccb(gdt, gccb);
1037 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1038 GDT_SG_SZ, sizeof(u_int32_t));
1039 cnt = ucmd->u.raw.sdlen;
1040 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) {
1041 kprintf("iir%d: Scratch buffer too small (%d/%d)\n",
1042 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len);
1043 gdt_free_ccb(gdt, gccb);
1048 bcopy(ucmd->data, gccb->gc_scratch, cnt);
1050 if (gdt->sc_cmd_off + gccb->gc_cmd_len + GDT_DPMEM_COMMAND_OFFSET >
1051 gdt->sc_ic_all_size) {
1052 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n",
1054 gdt_free_ccb(gdt, gccb);
1058 if (gdt->sc_cmd_cnt == 0)
1059 gdt->sc_set_sema0(gdt);
1062 /* fill cmd structure */
1063 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1064 gccb->gc_cmd_index);
1065 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE,
1068 if (ucmd->service == GDT_CACHESERVICE) {
1069 if (ucmd->OpCode == GDT_IOCTL) {
1071 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE,
1072 ucmd->u.ioctl.param_size);
1073 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC,
1074 ucmd->u.ioctl.subfunc);
1075 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL,
1076 ucmd->u.ioctl.channel);
1077 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
1078 gccb->gc_scratch_busbase);
1080 /* cache service command */
1081 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
1082 ucmd->u.cache.DeviceNo);
1083 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
1084 ucmd->u.cache.BlockNo);
1085 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
1086 ucmd->u.cache.BlockCnt);
1087 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1089 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1091 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1092 GDT_SG_PTR, gccb->gc_scratch_busbase);
1093 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1094 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE);
1097 /* raw service command */
1098 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
1099 ucmd->u.raw.direction);
1100 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1102 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
1104 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
1106 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
1108 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
1110 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
1112 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
1114 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
1115 ucmd->u.raw.sense_len);
1116 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
1117 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen);
1118 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1120 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1121 GDT_SG_PTR, gccb->gc_scratch_busbase);
1122 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1123 GDT_SG_LEN, ucmd->u.raw.sdlen);
1127 gdt_stat.sg_count_act = 1;
1128 gdt->sc_copy_cmd(gdt, gccb);
1133 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb)
1137 t = ccb->ccb_h.target_id;
1138 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n",
1139 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t));
1141 switch (ccb->csio.cdb_io.cdb_bytes[0]) {
1142 case TEST_UNIT_READY:
1146 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n"));
1150 struct scsi_inquiry_data inq;
1151 size_t copylen = MIN(sizeof(inq), ccb->csio.dxfer_len);
1153 bzero(&inq, sizeof(inq));
1154 inq.device = (gdt->sc_hdr[t].hd_devtype & 4) ?
1156 inq.dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0;
1157 inq.version = SCSI_REV_2;
1158 inq.response_format = 2;
1159 inq.additional_length = 32;
1160 inq.flags = SID_CmdQue | SID_Sync;
1161 strncpy(inq.vendor, gdt->oem_name, sizeof(inq.vendor));
1162 ksnprintf(inq.product, sizeof(inq.product),
1163 "Host Drive #%02d", t);
1164 strncpy(inq.revision, " ", sizeof(inq.revision));
1165 bcopy(&inq, ccb->csio.data_ptr, copylen );
1166 if( ccb->csio.dxfer_len > copylen )
1167 bzero( ccb->csio.data_ptr+copylen,
1168 ccb->csio.dxfer_len - copylen );
1174 struct scsi_mode_hdr_6 hd;
1175 struct scsi_mode_block_descr bd;
1176 struct scsi_control_page cp;
1178 size_t copylen = MIN(sizeof(mpd), ccb->csio.dxfer_len);
1181 /*mpd = (struct mpd_data *)ccb->csio.data_ptr;*/
1182 bzero(&mpd, sizeof(mpd));
1183 mpd.hd.datalen = sizeof(struct scsi_mode_hdr_6) +
1184 sizeof(struct scsi_mode_block_descr);
1185 mpd.hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0;
1186 mpd.hd.block_descr_len = sizeof(struct scsi_mode_block_descr);
1187 mpd.bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16;
1188 mpd.bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8;
1189 mpd.bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff);
1191 bcopy(&mpd, ccb->csio.data_ptr, copylen );
1192 if( ccb->csio.dxfer_len > copylen )
1193 bzero( ccb->csio.data_ptr+copylen,
1194 ccb->csio.dxfer_len - copylen );
1195 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page;
1198 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page));
1205 struct scsi_read_capacity_data rcd;
1206 size_t copylen = MIN(sizeof(rcd), ccb->csio.dxfer_len);
1208 /*rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;*/
1209 bzero(&rcd, sizeof(rcd));
1210 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd.addr);
1211 scsi_ulto4b(GDT_SECTOR_SIZE, rcd.length);
1212 bcopy(&rcd, ccb->csio.data_ptr, copylen );
1213 if( ccb->csio.dxfer_len > copylen )
1214 bzero( ccb->csio.data_ptr+copylen,
1215 ccb->csio.dxfer_len - copylen );
1219 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n",
1220 ccb->csio.cdb_io.cdb_bytes[0]));
1223 ccb->ccb_h.status |= CAM_REQ_CMP;
1224 --gdt_stat.io_count_act;
1229 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1231 bus_addr_t *busaddrp;
1233 busaddrp = (bus_addr_t *)arg;
1234 *busaddrp = dm_segs->ds_addr;
1238 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1240 struct gdt_ccb *gccb;
1242 struct gdt_softc *gdt;
1247 gccb = (struct gdt_ccb *)arg;
1249 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr);
1251 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n",
1252 gdt, gccb, dm_segs, nseg, error));
1253 gdt_stat.sg_count_act = nseg;
1254 if (nseg > gdt_stat.sg_count_max)
1255 gdt_stat.sg_count_max = nseg;
1257 /* Copy the segments into our SG list */
1258 if (gccb->gc_service == GDT_CACHESERVICE) {
1259 for (i = 0; i < nseg; ++i) {
1260 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1261 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1262 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1263 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1266 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1268 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1271 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1272 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1274 for (i = 0; i < nseg; ++i) {
1275 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1276 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1277 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1278 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1281 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1283 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1286 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1287 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1291 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1292 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1293 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
1296 /* We must NOT abort the command here if CAM_REQ_INPROG is not set,
1297 * because command semaphore is already set!
1300 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1301 /* timeout handling */
1302 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000,
1305 gdt->sc_copy_cmd(gdt, gccb);
1311 iir_action( struct cam_sim *sim, union ccb *ccb )
1313 struct gdt_softc *gdt;
1314 int bus, target, lun;
1316 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1317 ccb->ccb_h.ccb_sim_ptr = sim;
1318 bus = cam_sim_bus(sim);
1319 target = ccb->ccb_h.target_id;
1320 lun = ccb->ccb_h.target_lun;
1321 GDT_DPRINTF(GDT_D_CMD,
1322 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n",
1323 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0],
1325 ++gdt_stat.io_count_act;
1326 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
1327 gdt_stat.io_count_max = gdt_stat.io_count_act;
1329 switch (ccb->ccb_h.func_code) {
1332 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1333 ++gdt_stat.req_queue_act;
1334 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1335 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1339 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1340 case XPT_ABORT: /* Abort the specified CCB */
1342 ccb->ccb_h.status = CAM_REQ_INVALID;
1343 --gdt_stat.io_count_act;
1346 case XPT_SET_TRAN_SETTINGS:
1347 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1348 --gdt_stat.io_count_act;
1351 case XPT_GET_TRAN_SETTINGS:
1352 /* Get default/user set transfer settings for the target */
1354 struct ccb_trans_settings *cts = &ccb->cts;
1355 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
1356 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
1358 cts->protocol = PROTO_SCSI;
1359 cts->protocol_version = SCSI_REV_2;
1360 cts->transport = XPORT_SPI;
1361 cts->transport_version = 2;
1363 if (cts->type == CTS_TYPE_USER_SETTINGS) {
1364 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
1365 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1366 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
1367 spi->sync_period = 25; /* 10MHz */
1368 if (spi->sync_period != 0)
1369 spi->sync_offset = 15;
1371 spi->valid = CTS_SPI_VALID_SYNC_RATE
1372 | CTS_SPI_VALID_SYNC_OFFSET
1373 | CTS_SPI_VALID_BUS_WIDTH
1374 | CTS_SPI_VALID_DISC;
1375 scsi->valid = CTS_SCSI_VALID_TQ;
1376 ccb->ccb_h.status = CAM_REQ_CMP;
1378 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1380 --gdt_stat.io_count_act;
1384 case XPT_CALC_GEOMETRY:
1386 struct ccb_calc_geometry *ccg;
1387 u_int32_t secs_per_cylinder;
1390 ccg->heads = gdt->sc_hdr[target].hd_heads;
1391 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs;
1392 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1393 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1394 ccb->ccb_h.status = CAM_REQ_CMP;
1395 --gdt_stat.io_count_act;
1399 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1402 ccb->ccb_h.status = CAM_REQ_CMP;
1403 --gdt_stat.io_count_act;
1407 case XPT_TERM_IO: /* Terminate the I/O process */
1409 ccb->ccb_h.status = CAM_REQ_INVALID;
1410 --gdt_stat.io_count_act;
1413 case XPT_PATH_INQ: /* Path routing inquiry */
1415 struct ccb_pathinq *cpi = &ccb->cpi;
1417 cpi->version_num = 1;
1418 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
1419 cpi->hba_inquiry |= PI_WIDE_16;
1420 cpi->target_sprt = 1;
1422 cpi->hba_eng_cnt = 0;
1423 if (bus == gdt->sc_virt_bus)
1424 cpi->max_target = GDT_MAX_HDRIVES - 1;
1425 else if (gdt->sc_class & GDT_FC)
1426 cpi->max_target = GDT_MAXID_FC - 1;
1428 cpi->max_target = GDT_MAXID - 1;
1430 cpi->unit_number = cam_sim_unit(sim);
1433 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]);
1434 cpi->base_transfer_speed = 3300;
1435 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1436 if (gdt->sc_vendor == INTEL_VENDOR_ID)
1437 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
1439 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN);
1440 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1441 cpi->transport = XPORT_SPI;
1442 cpi->transport_version = 2;
1443 cpi->protocol = PROTO_SCSI;
1444 cpi->protocol_version = SCSI_REV_2;
1445 cpi->ccb_h.status = CAM_REQ_CMP;
1446 --gdt_stat.io_count_act;
1451 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n",
1452 gdt, ccb->ccb_h.func_code));
1453 ccb->ccb_h.status = CAM_REQ_INVALID;
1454 --gdt_stat.io_count_act;
1461 iir_poll( struct cam_sim *sim )
1463 struct gdt_softc *gdt;
1465 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1466 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt));
1471 iir_timeout(void *arg)
1473 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb));
1477 iir_shutdown( void *arg, int howto )
1479 struct gdt_softc *gdt;
1480 struct gdt_ccb *gccb;
1484 gdt = (struct gdt_softc *)arg;
1485 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto));
1487 kprintf("iir%d: Flushing all Host Drives. Please wait ... ",
1490 /* allocate ucmd buffer */
1491 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_INTWAIT | M_ZERO);
1493 /* wait for pending IOs */
1495 gdt->sc_state = GDT_SHUTDOWN;
1497 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL)
1498 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz);
1501 for (i = 0; i < GDT_MAX_HDRIVES; ++i) {
1502 if (gdt->sc_hdr[i].hd_present) {
1503 ucmd->service = GDT_CACHESERVICE;
1504 ucmd->OpCode = GDT_FLUSH;
1505 ucmd->u.cache.DeviceNo = i;
1507 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
1508 ucmd->complete_flag = FALSE;
1511 if (!ucmd->complete_flag)
1512 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz);
1516 kfree(ucmd, M_DEVBUF);
1523 struct gdt_softc *gdt = arg;
1524 struct gdt_intr_ctx ctx;
1525 struct gdt_ccb *gccb;
1529 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt));
1531 /* If polling and we were not called from gdt_wait, just return */
1532 if ((gdt->sc_state & GDT_POLLING) &&
1533 !(gdt->sc_state & GDT_POLL_WAIT))
1536 if (!(gdt->sc_state & GDT_POLLING))
1540 ctx.istatus = gdt->sc_get_status(gdt);
1541 if (ctx.istatus == 0x00) {
1542 if (!(gdt->sc_state & GDT_POLLING))
1544 gdt->sc_status = GDT_S_NO_STATUS;
1548 gdt->sc_intr(gdt, &ctx);
1550 gdt->sc_status = ctx.cmd_status;
1551 gdt->sc_service = ctx.service;
1552 gdt->sc_info = ctx.info;
1553 gdt->sc_info2 = ctx.info2;
1555 if (gdt->sc_state & GDT_POLL_WAIT) {
1557 gdt_wait_index = ctx.istatus;
1560 if (ctx.istatus == GDT_ASYNCINDEX) {
1561 gdt_async_event(gdt, ctx.service);
1562 if (!(gdt->sc_state & GDT_POLLING))
1566 if (ctx.istatus == GDT_SPEZINDEX) {
1567 GDT_DPRINTF(GDT_D_INVALID,
1568 ("iir%d: Service unknown or not initialized!\n",
1570 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1571 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1572 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr);
1573 if (!(gdt->sc_state & GDT_POLLING))
1578 gccb = &gdt->sc_gccbs[ctx.istatus - 2];
1579 ctx.service = gccb->gc_service;
1581 switch (gccb->gc_flags) {
1582 case GDT_GCF_UNUSED:
1583 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n",
1584 gdt->sc_hanum, ctx.istatus));
1585 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1586 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1587 gdt->sc_dvr.eu.driver.index = ctx.istatus;
1588 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr);
1589 gdt_free_ccb(gdt, gccb);
1592 case GDT_GCF_INTERNAL:
1593 if (!(gdt->sc_state & GDT_POLLING))
1598 ucmd = gccb->gc_ucmd;
1599 if (gdt->sc_status == GDT_S_BSY) {
1600 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n",
1602 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
1603 if (!(gdt->sc_state & GDT_POLLING))
1606 ucmd->status = gdt->sc_status;
1607 ucmd->info = gdt->sc_info;
1608 ucmd->complete_flag = TRUE;
1609 if (ucmd->service == GDT_CACHESERVICE) {
1610 if (ucmd->OpCode == GDT_IOCTL) {
1611 cnt = ucmd->u.ioctl.param_size;
1613 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1615 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1617 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1620 cnt = ucmd->u.raw.sdlen;
1622 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1623 if (ucmd->u.raw.sense_len != 0)
1624 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1626 gdt_free_ccb(gdt, gccb);
1627 if (!(gdt->sc_state & GDT_POLLING))
1636 gdt_free_ccb(gdt, gccb);
1637 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb);
1638 if (!(gdt->sc_state & GDT_POLLING))
1646 gdt_async_event(struct gdt_softc *gdt, int service)
1648 struct gdt_ccb *gccb;
1650 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service));
1652 if (service == GDT_SCREENSERVICE) {
1653 if (gdt->sc_status == GDT_MSG_REQUEST) {
1654 while (gdt->sc_test_busy(gdt))
1656 gccb = gdt_get_ccb(gdt);
1658 kprintf("iir%d: No free command index found\n",
1662 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1663 gccb->gc_service = service;
1664 gccb->gc_flags = GDT_GCF_SCREEN;
1665 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1666 gccb->gc_cmd_index);
1667 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1668 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1669 GDT_MSG_INV_HANDLE);
1670 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1671 gccb->gc_scratch_busbase);
1672 gdt->sc_set_sema0(gdt);
1673 gdt->sc_cmd_off = 0;
1674 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1676 gdt->sc_cmd_cnt = 0;
1677 gdt->sc_copy_cmd(gdt, gccb);
1678 kprintf("iir%d: [PCI %d/%d] ",
1679 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot);
1680 gdt->sc_release_event(gdt);
1684 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) {
1685 gdt->sc_dvr.size = 0;
1686 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1687 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1688 /* severity and event_string already set! */
1690 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async);
1691 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1692 gdt->sc_dvr.eu.async.service = service;
1693 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1694 gdt->sc_dvr.eu.async.info = gdt->sc_info;
1695 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2;
1697 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr);
1698 kprintf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string);
1705 gdt_sync_event(struct gdt_softc *gdt, int service,
1706 u_int8_t index, struct gdt_ccb *gccb)
1710 GDT_DPRINTF(GDT_D_INTR,
1711 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb));
1715 if (service == GDT_SCREENSERVICE) {
1718 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN);
1720 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1721 gccb->gc_scratch[GDT_SCR_MSG_EXT])) {
1722 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0';
1723 kprintf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]);
1726 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] &&
1727 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) {
1728 while (gdt->sc_test_busy(gdt))
1730 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1731 gccb = gdt_get_ccb(gdt);
1733 kprintf("iir%d: No free command index found\n",
1737 gccb->gc_service = service;
1738 gccb->gc_flags = GDT_GCF_SCREEN;
1739 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1740 gccb->gc_cmd_index);
1741 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1742 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1743 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1744 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1745 gccb->gc_scratch_busbase);
1746 gdt->sc_set_sema0(gdt);
1747 gdt->sc_cmd_off = 0;
1748 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1750 gdt->sc_cmd_cnt = 0;
1751 gdt->sc_copy_cmd(gdt, gccb);
1752 gdt->sc_release_event(gdt);
1756 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1757 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) {
1758 /* default answers (getchar() not possible) */
1759 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) {
1760 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0);
1761 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1);
1762 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0;
1764 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN,
1765 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2);
1766 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2);
1767 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1;
1768 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0;
1770 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0;
1771 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0;
1772 while (gdt->sc_test_busy(gdt))
1774 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1775 gccb = gdt_get_ccb(gdt);
1777 kprintf("iir%d: No free command index found\n",
1781 gccb->gc_service = service;
1782 gccb->gc_flags = GDT_GCF_SCREEN;
1783 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1784 gccb->gc_cmd_index);
1785 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
1786 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1787 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1788 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1789 gccb->gc_scratch_busbase);
1790 gdt->sc_set_sema0(gdt);
1791 gdt->sc_cmd_off = 0;
1792 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1794 gdt->sc_cmd_cnt = 0;
1795 gdt->sc_copy_cmd(gdt, gccb);
1796 gdt->sc_release_event(gdt);
1802 callout_stop(&ccb->ccb_h.timeout_ch);
1803 if (gdt->sc_status == GDT_S_BSY) {
1804 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n",
1806 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1807 ++gdt_stat.req_queue_act;
1808 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1809 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1813 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1814 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1815 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1816 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap);
1818 ccb->csio.resid = 0;
1819 if (gdt->sc_status == GDT_S_OK) {
1820 ccb->ccb_h.status |= CAM_REQ_CMP;
1821 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1824 if (gccb->gc_service == GDT_CACHESERVICE) {
1825 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1826 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1827 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1828 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
1829 ccb->csio.sense_data.error_code =
1830 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID;
1831 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY;
1833 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync);
1834 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum;
1835 gdt->sc_dvr.eu.sync.service = service;
1836 gdt->sc_dvr.eu.sync.status = gdt->sc_status;
1837 gdt->sc_dvr.eu.sync.info = gdt->sc_info;
1838 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id;
1839 if (gdt->sc_status >= 0x8000)
1840 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr);
1842 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr);
1845 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) {
1846 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1848 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID;
1849 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1850 ccb->csio.scsi_status = gdt->sc_info;
1851 bcopy(gccb->gc_scratch, &ccb->csio.sense_data,
1852 ccb->csio.sense_len);
1856 --gdt_stat.io_count_act;
1862 /* Controller event handling functions */
1864 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt)
1869 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx));
1870 if (source == 0) /* no source -> no event */
1873 if (ebuffer[elastidx].event_source == source &&
1874 ebuffer[elastidx].event_idx == idx &&
1875 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
1876 !memcmp((char *)&ebuffer[elastidx].event_data.eu,
1877 (char *)&evt->eu, evt->size)) ||
1878 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
1879 !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
1880 (char *)&evt->event_string)))) {
1881 e = &ebuffer[elastidx];
1883 e->last_stamp = tv.tv_sec;
1886 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
1888 if (elastidx == GDT_MAX_EVENTS)
1890 if (elastidx == eoldidx) { /* reached mark ? */
1892 if (eoldidx == GDT_MAX_EVENTS)
1896 e = &ebuffer[elastidx];
1897 e->event_source = source;
1900 e->first_stamp = e->last_stamp = tv.tv_sec;
1902 e->event_data = *evt;
1909 gdt_read_event(int handle, gdt_evt_str *estr)
1914 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle));
1920 estr->event_source = 0;
1922 if (eindex >= GDT_MAX_EVENTS) {
1926 e = &ebuffer[eindex];
1927 if (e->event_source != 0) {
1928 if (eindex != elastidx) {
1929 if (++eindex == GDT_MAX_EVENTS)
1934 memcpy(estr, e, sizeof(gdt_evt_str));
1941 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr)
1947 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application));
1951 e = &ebuffer[eindex];
1952 if (e->event_source == 0)
1954 if ((e->application & application) == 0) {
1955 e->application |= application;
1959 if (eindex == elastidx)
1961 if (++eindex == GDT_MAX_EVENTS)
1965 memcpy(estr, e, sizeof(gdt_evt_str));
1967 estr->event_source = 0;
1972 gdt_clear_events(void)
1974 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n"));
1976 eoldidx = elastidx = 0;
1977 ebuffer[0].event_source = 0;