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"));
485 * Create the device queue for our SIM.
486 * XXX Throttle this down since the card has problems under load.
488 devq = cam_simq_alloc(32);
492 for (i = 0; i < gdt->sc_bus_cnt; i++) {
494 * Construct our SIM entry
496 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir",
497 gdt, gdt->sc_hanum, &sim_mplock,
499 /*tagged*/GDT_MAXCMDS, devq);
500 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) {
501 cam_sim_free(gdt->sims[i]);
505 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL,
506 cam_sim_path(gdt->sims[i]),
508 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
509 xpt_bus_deregister(cam_sim_path(gdt->sims[i]));
510 cam_sim_free(gdt->sims[i]);
514 cam_simq_release(devq);
516 EVENTHANDLER_REGISTER(shutdown_post_sync, iir_shutdown,
517 gdt, SHUTDOWN_PRI_DRIVER);
518 gdt->sc_state = GDT_NORMAL;
522 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs)
524 *cyls = size / GDT_HEADS / GDT_SECS;
525 if (*cyls < GDT_MAXCYLS) {
529 /* Too high for 64 * 32 */
530 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS;
531 if (*cyls < GDT_MAXCYLS) {
532 *heads = GDT_MEDHEADS;
535 /* Too high for 127 * 63 */
536 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS;
537 *heads = GDT_BIGHEADS;
544 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb,
549 GDT_DPRINTF(GDT_D_INIT,
550 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout));
552 gdt->sc_state |= GDT_POLL_WAIT;
555 if (gdt == gdt_wait_gdt &&
556 gccb->gc_cmd_index == gdt_wait_index) {
562 gdt->sc_state &= ~GDT_POLL_WAIT;
564 while (gdt->sc_test_busy(gdt))
565 DELAY(1); /* XXX correct? */
571 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb,
572 u_int8_t service, u_int16_t opcode,
573 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
577 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n",
578 gdt, service, opcode, arg1, arg2, arg3));
580 bzero(gccb->gc_cmd, GDT_CMD_SZ);
582 for (retries = GDT_RETRIES; ; ) {
583 gccb->gc_service = service;
584 gccb->gc_flags = GDT_GCF_INTERNAL;
586 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
588 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
591 case GDT_CACHESERVICE:
592 if (opcode == GDT_IOCTL) {
593 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
594 GDT_IOCTL_SUBFUNC, arg1);
595 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
596 GDT_IOCTL_CHANNEL, arg2);
597 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
598 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3);
599 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
600 gccb->gc_scratch_busbase);
602 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION +
603 GDT_CACHE_DEVICENO, (u_int16_t)arg1);
604 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
605 GDT_CACHE_BLOCKNO, arg2);
609 case GDT_SCSIRAWSERVICE:
610 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION +
611 GDT_RAW_DIRECTION, arg1);
612 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
614 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
616 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
617 (u_int8_t)(arg3 >> 8);
620 gdt->sc_set_sema0(gdt);
621 gccb->gc_cmd_len = GDT_CMD_SZ;
624 gdt->sc_copy_cmd(gdt, gccb);
625 gdt->sc_release_event(gdt);
627 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT))
629 if (gdt->sc_status != GDT_S_BSY || --retries == 0)
633 return (gdt->sc_status == GDT_S_OK);
636 static struct gdt_ccb *
637 gdt_get_ccb(struct gdt_softc *gdt)
639 struct gdt_ccb *gccb;
641 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt));
644 gccb = SLIST_FIRST(&gdt->sc_free_gccb);
646 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle);
647 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle);
648 ++gdt_stat.cmd_index_act;
649 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max)
650 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act;
657 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb)
659 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb));
662 gccb->gc_flags = GDT_GCF_UNUSED;
663 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle);
664 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle);
665 --gdt_stat.cmd_index_act;
667 if (gdt->sc_state & GDT_SHUTDOWN)
672 gdt_next(struct gdt_softc *gdt)
677 int bus, target, lun;
680 struct ccb_scsiio *csio;
681 struct ccb_hdr *ccbh;
682 struct gdt_ccb *gccb = NULL;
685 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt));
688 if (gdt->sc_test_busy(gdt)) {
689 if (!(gdt->sc_state & GDT_POLLING)) {
693 while (gdt->sc_test_busy(gdt))
697 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0;
700 /* I/Os in queue? controller ready? */
701 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) &&
702 !TAILQ_FIRST(&gdt->sc_ccb_queue))
705 /* 1.: I/Os without ccb (IOCTLs) */
706 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue);
708 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links);
709 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) {
710 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
714 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */
717 /* 2.: I/Os with ccb */
718 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue);
719 /* ist dann immer != NULL, da oben getestet */
720 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
721 bus = cam_sim_bus(sim);
722 target = ccb->ccb_h.target_id;
723 lun = ccb->ccb_h.target_lun;
725 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
726 --gdt_stat.req_queue_act;
727 /* ccb->ccb_h.func_code is XPT_SCSI_IO */
728 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n",
732 cmd = csio->cdb_io.cdb_bytes[0];
733 /* Max CDB length is 12 bytes */
734 if (csio->cdb_len > 12) {
735 ccbh->status = CAM_REQ_INVALID;
736 --gdt_stat.io_count_act;
738 } else if (bus != gdt->sc_virt_bus) {
739 /* raw service command */
740 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) {
741 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
743 ++gdt_stat.req_queue_act;
744 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
745 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
748 } else if (target >= GDT_MAX_HDRIVES ||
749 !gdt->sc_hdr[target].hd_present || lun != 0) {
750 ccbh->status = CAM_DEV_NOT_THERE;
751 --gdt_stat.io_count_act;
754 /* cache service command */
755 if (cmd == READ_6 || cmd == WRITE_6 ||
756 cmd == READ_10 || cmd == WRITE_10) {
757 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) {
758 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h,
760 ++gdt_stat.req_queue_act;
761 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
762 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
767 gdt_internal_cache_cmd(gdt, ccb);
771 if ((gdt->sc_state & GDT_POLLING) || !next_cmd)
774 if (gdt->sc_cmd_cnt > 0)
775 gdt->sc_release_event(gdt);
779 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) {
780 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT);
784 static struct gdt_ccb *
785 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb)
787 struct gdt_ccb *gccb;
790 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb));
792 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) +
793 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
794 gdt->sc_ic_all_size) {
795 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n",
800 gccb = gdt_get_ccb(gdt);
802 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n",
806 bzero(gccb->gc_cmd, GDT_CMD_SZ);
807 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
809 gccb->gc_service = GDT_SCSIRAWSERVICE;
810 gccb->gc_flags = GDT_GCF_SCSI;
812 if (gdt->sc_cmd_cnt == 0)
813 gdt->sc_set_sema0(gdt);
815 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
817 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
819 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
820 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
821 GDT_DATA_IN : GDT_DATA_OUT);
822 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
823 ccb->csio.dxfer_len);
824 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
826 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
828 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
829 ccb->ccb_h.target_id;
830 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
831 ccb->ccb_h.target_lun;
832 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
834 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
835 sizeof(struct scsi_sense_data));
836 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
837 gccb->gc_scratch_busbase);
840 * If we have any data to send with this command,
841 * map it into bus space.
843 /* Only use S/G if there is a transfer */
844 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
845 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
846 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
849 /* vorher unlock von splcam() ??? */
852 bus_dmamap_load(gdt->sc_buffer_dmat,
858 if (error == EINPROGRESS) {
859 xpt_freeze_simq(sim, 1);
860 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
864 panic("iir: CAM_DATA_PHYS not supported");
867 struct bus_dma_segment *segs;
869 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
870 panic("iir%d: iir_action - Physical "
871 "segment pointers unsupported", gdt->sc_hanum);
873 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
874 panic("iir%d: iir_action - Virtual "
875 "segment addresses unsupported", gdt->sc_hanum);
877 /* Just use the segments provided */
878 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
879 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
882 gdtexecuteccb(gccb, NULL, 0, 0);
889 static struct gdt_ccb *
890 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb)
892 struct gdt_ccb *gccb;
896 u_int32_t blockno, blockcnt;
898 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb));
900 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) +
901 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET >
902 gdt->sc_ic_all_size) {
903 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n",
908 gccb = gdt_get_ccb(gdt);
910 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
914 bzero(gccb->gc_cmd, GDT_CMD_SZ);
915 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr;
917 gccb->gc_service = GDT_CACHESERVICE;
918 gccb->gc_flags = GDT_GCF_SCSI;
920 if (gdt->sc_cmd_cnt == 0)
921 gdt->sc_set_sema0(gdt);
923 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
925 cmdp = ccb->csio.cdb_io.cdb_bytes;
926 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ;
927 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE)
928 opcode = GDT_WRITE_THR;
929 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode);
931 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
932 ccb->ccb_h.target_id);
933 if (ccb->csio.cdb_len == 6) {
934 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp;
935 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff);
936 blockcnt = rw->length ? rw->length : 0x100;
938 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp;
939 blockno = scsi_4btoul(rw->addr);
940 blockcnt = scsi_2btoul(rw->length);
942 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
944 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
948 * If we have any data to send with this command,
949 * map it into bus space.
951 /* Only use S/G if there is a transfer */
952 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
953 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
956 /* vorher unlock von splcam() ??? */
959 bus_dmamap_load(gdt->sc_buffer_dmat,
965 if (error == EINPROGRESS) {
966 xpt_freeze_simq(sim, 1);
967 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
971 panic("iir: CAM_DATA_PHYS not supported");
974 struct bus_dma_segment *segs;
976 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0)
977 panic("iir%d: iir_action - Physical "
978 "segment pointers unsupported", gdt->sc_hanum);
980 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0)
981 panic("iir%d: iir_action - Virtual "
982 "segment addresses unsupported", gdt->sc_hanum);
984 /* Just use the segments provided */
985 segs = (struct bus_dma_segment *)ccb->csio.data_ptr;
986 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0);
993 static struct gdt_ccb *
994 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd)
996 struct gdt_ccb *gccb;
999 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd));
1001 gccb = gdt_get_ccb(gdt);
1003 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n",
1007 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1008 gccb->gc_ucmd = ucmd;
1009 gccb->gc_service = ucmd->service;
1010 gccb->gc_flags = GDT_GCF_IOCTL;
1012 /* check DPMEM space, copy data buffer from user space */
1013 if (ucmd->service == GDT_CACHESERVICE) {
1014 if (ucmd->OpCode == GDT_IOCTL) {
1015 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ,
1017 cnt = ucmd->u.ioctl.param_size;
1018 if (cnt > GDT_SCRATCH_SZ) {
1019 kprintf("iir%d: Scratch buffer too small (%d/%d)\n",
1020 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1021 gdt_free_ccb(gdt, gccb);
1025 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1026 GDT_SG_SZ, sizeof(u_int32_t));
1027 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1028 if (cnt > GDT_SCRATCH_SZ) {
1029 kprintf("iir%d: Scratch buffer too small (%d/%d)\n",
1030 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt);
1031 gdt_free_ccb(gdt, gccb);
1036 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1037 GDT_SG_SZ, sizeof(u_int32_t));
1038 cnt = ucmd->u.raw.sdlen;
1039 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) {
1040 kprintf("iir%d: Scratch buffer too small (%d/%d)\n",
1041 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len);
1042 gdt_free_ccb(gdt, gccb);
1047 bcopy(ucmd->data, gccb->gc_scratch, cnt);
1049 if (gdt->sc_cmd_off + gccb->gc_cmd_len + GDT_DPMEM_COMMAND_OFFSET >
1050 gdt->sc_ic_all_size) {
1051 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n",
1053 gdt_free_ccb(gdt, gccb);
1057 if (gdt->sc_cmd_cnt == 0)
1058 gdt->sc_set_sema0(gdt);
1061 /* fill cmd structure */
1062 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1063 gccb->gc_cmd_index);
1064 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE,
1067 if (ucmd->service == GDT_CACHESERVICE) {
1068 if (ucmd->OpCode == GDT_IOCTL) {
1070 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE,
1071 ucmd->u.ioctl.param_size);
1072 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC,
1073 ucmd->u.ioctl.subfunc);
1074 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL,
1075 ucmd->u.ioctl.channel);
1076 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM,
1077 gccb->gc_scratch_busbase);
1079 /* cache service command */
1080 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO,
1081 ucmd->u.cache.DeviceNo);
1082 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO,
1083 ucmd->u.cache.BlockNo);
1084 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT,
1085 ucmd->u.cache.BlockCnt);
1086 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1088 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1090 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1091 GDT_SG_PTR, gccb->gc_scratch_busbase);
1092 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1093 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE);
1096 /* raw service command */
1097 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION,
1098 ucmd->u.raw.direction);
1099 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1101 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN,
1103 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN,
1105 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD,
1107 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] =
1109 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] =
1111 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] =
1113 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN,
1114 ucmd->u.raw.sense_len);
1115 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA,
1116 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen);
1117 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1119 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1120 GDT_SG_PTR, gccb->gc_scratch_busbase);
1121 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1122 GDT_SG_LEN, ucmd->u.raw.sdlen);
1126 gdt_stat.sg_count_act = 1;
1127 gdt->sc_copy_cmd(gdt, gccb);
1132 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb)
1136 t = ccb->ccb_h.target_id;
1137 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n",
1138 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t));
1140 switch (ccb->csio.cdb_io.cdb_bytes[0]) {
1141 case TEST_UNIT_READY:
1145 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n"));
1149 struct scsi_inquiry_data inq;
1150 size_t copylen = MIN(sizeof(inq), ccb->csio.dxfer_len);
1152 bzero(&inq, sizeof(inq));
1153 inq.device = (gdt->sc_hdr[t].hd_devtype & 4) ?
1155 inq.dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0;
1156 inq.version = SCSI_REV_2;
1157 inq.response_format = 2;
1158 inq.additional_length = 32;
1159 inq.flags = SID_CmdQue | SID_Sync;
1160 strncpy(inq.vendor, gdt->oem_name, sizeof(inq.vendor));
1161 ksnprintf(inq.product, sizeof(inq.product),
1162 "Host Drive #%02d", t);
1163 strncpy(inq.revision, " ", sizeof(inq.revision));
1164 bcopy(&inq, ccb->csio.data_ptr, copylen );
1165 if( ccb->csio.dxfer_len > copylen )
1166 bzero( ccb->csio.data_ptr+copylen,
1167 ccb->csio.dxfer_len - copylen );
1173 struct scsi_mode_hdr_6 hd;
1174 struct scsi_mode_block_descr bd;
1175 struct scsi_control_page cp;
1177 size_t copylen = MIN(sizeof(mpd), ccb->csio.dxfer_len);
1180 /*mpd = (struct mpd_data *)ccb->csio.data_ptr;*/
1181 bzero(&mpd, sizeof(mpd));
1182 mpd.hd.datalen = sizeof(struct scsi_mode_hdr_6) +
1183 sizeof(struct scsi_mode_block_descr);
1184 mpd.hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0;
1185 mpd.hd.block_descr_len = sizeof(struct scsi_mode_block_descr);
1186 mpd.bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16;
1187 mpd.bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8;
1188 mpd.bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff);
1190 bcopy(&mpd, ccb->csio.data_ptr, copylen );
1191 if( ccb->csio.dxfer_len > copylen )
1192 bzero( ccb->csio.data_ptr+copylen,
1193 ccb->csio.dxfer_len - copylen );
1194 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page;
1197 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page));
1204 struct scsi_read_capacity_data rcd;
1205 size_t copylen = MIN(sizeof(rcd), ccb->csio.dxfer_len);
1207 /*rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;*/
1208 bzero(&rcd, sizeof(rcd));
1209 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd.addr);
1210 scsi_ulto4b(GDT_SECTOR_SIZE, rcd.length);
1211 bcopy(&rcd, ccb->csio.data_ptr, copylen );
1212 if( ccb->csio.dxfer_len > copylen )
1213 bzero( ccb->csio.data_ptr+copylen,
1214 ccb->csio.dxfer_len - copylen );
1218 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n",
1219 ccb->csio.cdb_io.cdb_bytes[0]));
1222 ccb->ccb_h.status |= CAM_REQ_CMP;
1223 --gdt_stat.io_count_act;
1228 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1230 bus_addr_t *busaddrp;
1232 busaddrp = (bus_addr_t *)arg;
1233 *busaddrp = dm_segs->ds_addr;
1237 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1239 struct gdt_ccb *gccb;
1241 struct gdt_softc *gdt;
1246 gccb = (struct gdt_ccb *)arg;
1248 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr);
1250 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n",
1251 gdt, gccb, dm_segs, nseg, error));
1252 gdt_stat.sg_count_act = nseg;
1253 if (nseg > gdt_stat.sg_count_max)
1254 gdt_stat.sg_count_max = nseg;
1256 /* Copy the segments into our SG list */
1257 if (gccb->gc_service == GDT_CACHESERVICE) {
1258 for (i = 0; i < nseg; ++i) {
1259 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1260 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1261 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST +
1262 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1265 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ,
1267 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR,
1270 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST +
1271 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1273 for (i = 0; i < nseg; ++i) {
1274 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1275 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr);
1276 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST +
1277 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len);
1280 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ,
1282 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA,
1285 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST +
1286 nseg * GDT_SG_SZ, sizeof(u_int32_t));
1290 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1291 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1292 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
1295 /* We must NOT abort the command here if CAM_REQ_INPROG is not set,
1296 * because command semaphore is already set!
1299 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1300 /* timeout handling */
1301 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000,
1304 gdt->sc_copy_cmd(gdt, gccb);
1310 iir_action( struct cam_sim *sim, union ccb *ccb )
1312 struct gdt_softc *gdt;
1318 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1319 ccb->ccb_h.ccb_sim_ptr = sim;
1320 bus = cam_sim_bus(sim);
1321 target = ccb->ccb_h.target_id;
1323 lun = ccb->ccb_h.target_lun;
1325 GDT_DPRINTF(GDT_D_CMD,
1326 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n",
1327 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0],
1329 ++gdt_stat.io_count_act;
1330 if (gdt_stat.io_count_act > gdt_stat.io_count_max)
1331 gdt_stat.io_count_max = gdt_stat.io_count_act;
1333 switch (ccb->ccb_h.func_code) {
1336 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1337 ++gdt_stat.req_queue_act;
1338 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1339 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1343 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1344 case XPT_ABORT: /* Abort the specified CCB */
1346 ccb->ccb_h.status = CAM_REQ_INVALID;
1347 --gdt_stat.io_count_act;
1350 case XPT_SET_TRAN_SETTINGS:
1351 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1352 --gdt_stat.io_count_act;
1355 case XPT_GET_TRAN_SETTINGS:
1356 /* Get default/user set transfer settings for the target */
1358 struct ccb_trans_settings *cts = &ccb->cts;
1359 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
1360 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
1362 cts->protocol = PROTO_SCSI;
1363 cts->protocol_version = SCSI_REV_2;
1364 cts->transport = XPORT_SPI;
1365 cts->transport_version = 2;
1367 if (cts->type == CTS_TYPE_USER_SETTINGS) {
1368 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
1369 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1370 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
1371 spi->sync_period = 25; /* 10MHz */
1372 if (spi->sync_period != 0)
1373 spi->sync_offset = 15;
1375 spi->valid = CTS_SPI_VALID_SYNC_RATE
1376 | CTS_SPI_VALID_SYNC_OFFSET
1377 | CTS_SPI_VALID_BUS_WIDTH
1378 | CTS_SPI_VALID_DISC;
1379 scsi->valid = CTS_SCSI_VALID_TQ;
1380 ccb->ccb_h.status = CAM_REQ_CMP;
1382 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1384 --gdt_stat.io_count_act;
1388 case XPT_CALC_GEOMETRY:
1390 struct ccb_calc_geometry *ccg;
1391 u_int32_t secs_per_cylinder;
1394 ccg->heads = gdt->sc_hdr[target].hd_heads;
1395 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs;
1396 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1397 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1398 ccb->ccb_h.status = CAM_REQ_CMP;
1399 --gdt_stat.io_count_act;
1403 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1406 ccb->ccb_h.status = CAM_REQ_CMP;
1407 --gdt_stat.io_count_act;
1411 case XPT_TERM_IO: /* Terminate the I/O process */
1413 ccb->ccb_h.status = CAM_REQ_INVALID;
1414 --gdt_stat.io_count_act;
1417 case XPT_PATH_INQ: /* Path routing inquiry */
1419 struct ccb_pathinq *cpi = &ccb->cpi;
1421 cpi->version_num = 1;
1422 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
1423 cpi->hba_inquiry |= PI_WIDE_16;
1424 cpi->target_sprt = 1;
1426 cpi->hba_eng_cnt = 0;
1427 if (bus == gdt->sc_virt_bus)
1428 cpi->max_target = GDT_MAX_HDRIVES - 1;
1429 else if (gdt->sc_class & GDT_FC)
1430 cpi->max_target = GDT_MAXID_FC - 1;
1432 cpi->max_target = GDT_MAXID - 1;
1434 cpi->unit_number = cam_sim_unit(sim);
1437 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]);
1438 cpi->base_transfer_speed = 3300;
1439 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1440 if (gdt->sc_vendor == INTEL_VENDOR_ID)
1441 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN);
1443 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN);
1444 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1445 cpi->transport = XPORT_SPI;
1446 cpi->transport_version = 2;
1447 cpi->protocol = PROTO_SCSI;
1448 cpi->protocol_version = SCSI_REV_2;
1449 cpi->ccb_h.status = CAM_REQ_CMP;
1450 --gdt_stat.io_count_act;
1455 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n",
1456 gdt, ccb->ccb_h.func_code));
1457 ccb->ccb_h.status = CAM_REQ_INVALID;
1458 --gdt_stat.io_count_act;
1465 iir_poll( struct cam_sim *sim )
1467 struct gdt_softc *gdt;
1469 gdt = (struct gdt_softc *)cam_sim_softc( sim );
1470 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt));
1475 iir_timeout(void *arg)
1477 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb));
1481 iir_shutdown( void *arg, int howto )
1483 struct gdt_softc *gdt;
1484 struct gdt_ccb *gccb;
1488 gdt = (struct gdt_softc *)arg;
1489 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto));
1491 kprintf("iir%d: Flushing all Host Drives. Please wait ... ",
1494 /* allocate ucmd buffer */
1495 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_INTWAIT | M_ZERO);
1497 /* wait for pending IOs */
1499 gdt->sc_state = GDT_SHUTDOWN;
1501 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL)
1502 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz);
1505 for (i = 0; i < GDT_MAX_HDRIVES; ++i) {
1506 if (gdt->sc_hdr[i].hd_present) {
1507 ucmd->service = GDT_CACHESERVICE;
1508 ucmd->OpCode = GDT_FLUSH;
1509 ucmd->u.cache.DeviceNo = i;
1511 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links);
1512 ucmd->complete_flag = FALSE;
1515 if (!ucmd->complete_flag)
1516 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz);
1520 kfree(ucmd, M_DEVBUF);
1527 struct gdt_softc *gdt = arg;
1528 struct gdt_intr_ctx ctx;
1529 struct gdt_ccb *gccb;
1533 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt));
1535 /* If polling and we were not called from gdt_wait, just return */
1536 if ((gdt->sc_state & GDT_POLLING) &&
1537 !(gdt->sc_state & GDT_POLL_WAIT))
1540 if (!(gdt->sc_state & GDT_POLLING))
1544 ctx.istatus = gdt->sc_get_status(gdt);
1545 if (ctx.istatus == 0x00) {
1546 if (!(gdt->sc_state & GDT_POLLING))
1548 gdt->sc_status = GDT_S_NO_STATUS;
1552 gdt->sc_intr(gdt, &ctx);
1554 gdt->sc_status = ctx.cmd_status;
1555 gdt->sc_service = ctx.service;
1556 gdt->sc_info = ctx.info;
1557 gdt->sc_info2 = ctx.info2;
1559 if (gdt->sc_state & GDT_POLL_WAIT) {
1561 gdt_wait_index = ctx.istatus;
1564 if (ctx.istatus == GDT_ASYNCINDEX) {
1565 gdt_async_event(gdt, ctx.service);
1566 if (!(gdt->sc_state & GDT_POLLING))
1570 if (ctx.istatus == GDT_SPEZINDEX) {
1571 GDT_DPRINTF(GDT_D_INVALID,
1572 ("iir%d: Service unknown or not initialized!\n",
1574 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1575 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1576 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr);
1577 if (!(gdt->sc_state & GDT_POLLING))
1582 gccb = &gdt->sc_gccbs[ctx.istatus - 2];
1583 ctx.service = gccb->gc_service;
1585 switch (gccb->gc_flags) {
1586 case GDT_GCF_UNUSED:
1587 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n",
1588 gdt->sc_hanum, ctx.istatus));
1589 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver);
1590 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum;
1591 gdt->sc_dvr.eu.driver.index = ctx.istatus;
1592 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr);
1593 gdt_free_ccb(gdt, gccb);
1596 case GDT_GCF_INTERNAL:
1597 if (!(gdt->sc_state & GDT_POLLING))
1602 ucmd = gccb->gc_ucmd;
1603 if (gdt->sc_status == GDT_S_BSY) {
1604 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n",
1606 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links);
1607 if (!(gdt->sc_state & GDT_POLLING))
1610 ucmd->status = gdt->sc_status;
1611 ucmd->info = gdt->sc_info;
1612 ucmd->complete_flag = TRUE;
1613 if (ucmd->service == GDT_CACHESERVICE) {
1614 if (ucmd->OpCode == GDT_IOCTL) {
1615 cnt = ucmd->u.ioctl.param_size;
1617 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1619 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE;
1621 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1624 cnt = ucmd->u.raw.sdlen;
1626 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1627 if (ucmd->u.raw.sense_len != 0)
1628 bcopy(gccb->gc_scratch, ucmd->data, cnt);
1630 gdt_free_ccb(gdt, gccb);
1631 if (!(gdt->sc_state & GDT_POLLING))
1640 gdt_free_ccb(gdt, gccb);
1641 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb);
1642 if (!(gdt->sc_state & GDT_POLLING))
1650 gdt_async_event(struct gdt_softc *gdt, int service)
1652 struct gdt_ccb *gccb;
1654 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service));
1656 if (service == GDT_SCREENSERVICE) {
1657 if (gdt->sc_status == GDT_MSG_REQUEST) {
1658 while (gdt->sc_test_busy(gdt))
1660 gccb = gdt_get_ccb(gdt);
1662 kprintf("iir%d: No free command index found\n",
1666 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1667 gccb->gc_service = service;
1668 gccb->gc_flags = GDT_GCF_SCREEN;
1669 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1670 gccb->gc_cmd_index);
1671 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1672 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1673 GDT_MSG_INV_HANDLE);
1674 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1675 gccb->gc_scratch_busbase);
1676 gdt->sc_set_sema0(gdt);
1677 gdt->sc_cmd_off = 0;
1678 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1680 gdt->sc_cmd_cnt = 0;
1681 gdt->sc_copy_cmd(gdt, gccb);
1682 kprintf("iir%d: [PCI %d/%d] ",
1683 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot);
1684 gdt->sc_release_event(gdt);
1688 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) {
1689 gdt->sc_dvr.size = 0;
1690 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1691 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1692 /* severity and event_string already set! */
1694 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async);
1695 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum;
1696 gdt->sc_dvr.eu.async.service = service;
1697 gdt->sc_dvr.eu.async.status = gdt->sc_status;
1698 gdt->sc_dvr.eu.async.info = gdt->sc_info;
1699 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2;
1701 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr);
1702 kprintf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string);
1709 gdt_sync_event(struct gdt_softc *gdt, int service,
1710 u_int8_t index, struct gdt_ccb *gccb)
1714 GDT_DPRINTF(GDT_D_INTR,
1715 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb));
1719 if (service == GDT_SCREENSERVICE) {
1722 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN);
1724 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1725 gccb->gc_scratch[GDT_SCR_MSG_EXT])) {
1726 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0';
1727 kprintf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]);
1730 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] &&
1731 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) {
1732 while (gdt->sc_test_busy(gdt))
1734 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1735 gccb = gdt_get_ccb(gdt);
1737 kprintf("iir%d: No free command index found\n",
1741 gccb->gc_service = service;
1742 gccb->gc_flags = GDT_GCF_SCREEN;
1743 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1744 gccb->gc_cmd_index);
1745 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ);
1746 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1747 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1748 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1749 gccb->gc_scratch_busbase);
1750 gdt->sc_set_sema0(gdt);
1751 gdt->sc_cmd_off = 0;
1752 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1754 gdt->sc_cmd_cnt = 0;
1755 gdt->sc_copy_cmd(gdt, gccb);
1756 gdt->sc_release_event(gdt);
1760 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] &&
1761 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) {
1762 /* default answers (getchar() not possible) */
1763 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) {
1764 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0);
1765 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1);
1766 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0;
1768 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN,
1769 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2);
1770 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2);
1771 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1;
1772 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0;
1774 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0;
1775 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0;
1776 while (gdt->sc_test_busy(gdt))
1778 bzero(gccb->gc_cmd, GDT_CMD_SZ);
1779 gccb = gdt_get_ccb(gdt);
1781 kprintf("iir%d: No free command index found\n",
1785 gccb->gc_service = service;
1786 gccb->gc_flags = GDT_GCF_SCREEN;
1787 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX,
1788 gccb->gc_cmd_index);
1789 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE);
1790 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE,
1791 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]);
1792 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR,
1793 gccb->gc_scratch_busbase);
1794 gdt->sc_set_sema0(gdt);
1795 gdt->sc_cmd_off = 0;
1796 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ,
1798 gdt->sc_cmd_cnt = 0;
1799 gdt->sc_copy_cmd(gdt, gccb);
1800 gdt->sc_release_event(gdt);
1806 callout_stop(&ccb->ccb_h.timeout_ch);
1807 if (gdt->sc_status == GDT_S_BSY) {
1808 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n",
1810 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe);
1811 ++gdt_stat.req_queue_act;
1812 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max)
1813 gdt_stat.req_queue_max = gdt_stat.req_queue_act;
1817 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap,
1818 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ?
1819 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1820 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap);
1822 ccb->csio.resid = 0;
1823 if (gdt->sc_status == GDT_S_OK) {
1824 ccb->ccb_h.status |= CAM_REQ_CMP;
1825 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1828 if (gccb->gc_service == GDT_CACHESERVICE) {
1829 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
1830 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1831 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1832 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
1833 ccb->csio.sense_data.error_code =
1834 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID;
1835 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY;
1837 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync);
1838 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum;
1839 gdt->sc_dvr.eu.sync.service = service;
1840 gdt->sc_dvr.eu.sync.status = gdt->sc_status;
1841 gdt->sc_dvr.eu.sync.info = gdt->sc_info;
1842 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id;
1843 if (gdt->sc_status >= 0x8000)
1844 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr);
1846 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr);
1849 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) {
1850 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1852 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID;
1853 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1854 ccb->csio.scsi_status = gdt->sc_info;
1855 bcopy(gccb->gc_scratch, &ccb->csio.sense_data,
1856 ccb->csio.sense_len);
1860 --gdt_stat.io_count_act;
1866 /* Controller event handling functions */
1868 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt)
1873 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx));
1874 if (source == 0) /* no source -> no event */
1877 if (ebuffer[elastidx].event_source == source &&
1878 ebuffer[elastidx].event_idx == idx &&
1879 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
1880 !memcmp((char *)&ebuffer[elastidx].event_data.eu,
1881 (char *)&evt->eu, evt->size)) ||
1882 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
1883 !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
1884 (char *)&evt->event_string)))) {
1885 e = &ebuffer[elastidx];
1887 e->last_stamp = tv.tv_sec;
1890 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
1892 if (elastidx == GDT_MAX_EVENTS)
1894 if (elastidx == eoldidx) { /* reached mark ? */
1896 if (eoldidx == GDT_MAX_EVENTS)
1900 e = &ebuffer[elastidx];
1901 e->event_source = source;
1904 e->first_stamp = e->last_stamp = tv.tv_sec;
1906 e->event_data = *evt;
1913 gdt_read_event(int handle, gdt_evt_str *estr)
1918 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle));
1924 estr->event_source = 0;
1926 if (eindex >= GDT_MAX_EVENTS) {
1930 e = &ebuffer[eindex];
1931 if (e->event_source != 0) {
1932 if (eindex != elastidx) {
1933 if (++eindex == GDT_MAX_EVENTS)
1938 memcpy(estr, e, sizeof(gdt_evt_str));
1945 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr)
1951 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application));
1955 e = &ebuffer[eindex];
1956 if (e->event_source == 0)
1958 if ((e->application & application) == 0) {
1959 e->application |= application;
1963 if (eindex == elastidx)
1965 if (++eindex == GDT_MAX_EVENTS)
1969 memcpy(estr, e, sizeof(gdt_evt_str));
1971 estr->event_source = 0;
1976 gdt_clear_events(void)
1978 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n"));
1980 eoldidx = elastidx = 0;
1981 ebuffer[0].event_source = 0;