1/*-
2 * Copyright (c) 1997, 1998 Nicolas Souchu
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
| 1/*-
2 * Copyright (c) 1997, 1998 Nicolas Souchu
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
|
27 *
28 */
29
30#ifdef KERNEL
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/malloc.h>
34#include <sys/buf.h>
35
36#include <machine/clock.h>
37
38#endif /* KERNEL */
39
40#include <cam/cam.h>
41#include <cam/cam_ccb.h>
42#include <cam/cam_sim.h>
43#include <cam/cam_xpt_sim.h>
44#include <cam/cam_debug.h>
45
46#include <cam/scsi/scsi_all.h>
47#include <cam/scsi/scsi_message.h>
48#include <cam/scsi/scsi_da.h>
49
50#ifdef KERNEL
51#include <sys/kernel.h>
52#endif /*KERNEL */
53
54#include "opt_vpo.h"
55
56#include <dev/ppbus/ppbconf.h>
57#include <dev/ppbus/vpoio.h>
58
59struct vpo_sense {
60 struct scsi_sense cmd;
61 unsigned int stat;
62 unsigned int count;
63};
64
65struct vpo_data {
66 unsigned short vpo_unit;
67
68 int vpo_stat;
69 int vpo_count;
70 int vpo_error;
71
72 int vpo_isplus;
73
74 struct cam_sim *sim;
75 struct cam_path *path;
76
77 struct vpo_sense vpo_sense;
78
79 struct vpoio_data vpo_io; /* interface to low level functions */
80};
81
82/* cam related functions */
83static void vpo_action(struct cam_sim *sim, union ccb *ccb);
84static void vpo_poll(struct cam_sim *sim);
85
86static int nvpo = 0;
87#define MAXVP0 8 /* XXX not much better! */
88static struct vpo_data *vpodata[MAXVP0];
89
90#ifdef KERNEL
91
92/*
93 * Make ourselves visible as a ppbus driver
94 */
95static struct ppb_device *vpoprobe(struct ppb_data *ppb);
96static int vpoattach(struct ppb_device *dev);
97
98static struct ppb_driver vpodriver = {
99 vpoprobe, vpoattach, "vpo"
100};
101DATA_SET(ppbdriver_set, vpodriver);
102
103#endif /* KERNEL */
104
105/*
106 * vpoprobe()
107 *
108 * Called by ppb_attachdevs().
109 */
110static struct ppb_device *
111vpoprobe(struct ppb_data *ppb)
112{
113 struct vpo_data *vpo;
114 struct ppb_device *dev;
115
116 if (nvpo >= MAXVP0) {
117 printf("vpo: Too many devices (max %d)\n", MAXVP0);
118 return(NULL);
119 }
120
121 vpo = (struct vpo_data *)malloc(sizeof(struct vpo_data),
122 M_DEVBUF, M_NOWAIT);
123 if (!vpo) {
124 printf("vpo: cannot malloc!\n");
125 return(NULL);
126 }
127 bzero(vpo, sizeof(struct vpo_data));
128
129 vpodata[nvpo] = vpo;
130
131 /* vpo dependent initialisation */
132 vpo->vpo_unit = nvpo;
133
134 /* ok, go to next device on next probe */
135 nvpo ++;
136
137 /* low level probe */
138 vpoio_set_unit(&vpo->vpo_io, vpo->vpo_unit);
139
140 /* check ZIP before ZIP+ or imm_probe() will send controls to
141 * the printer or whatelse connected to the port */
142 if ((dev = vpoio_probe(ppb, &vpo->vpo_io))) {
143 vpo->vpo_isplus = 0;
144 } else if ((dev = imm_probe(ppb, &vpo->vpo_io))) {
145 vpo->vpo_isplus = 1;
146 } else {
147 free(vpo, M_DEVBUF);
148 return (NULL);
149 }
150
151 return (dev);
152}
153
154/*
155 * vpoattach()
156 *
157 * Called by ppb_attachdevs().
158 */
159static int
160vpoattach(struct ppb_device *dev)
161{
162 struct vpo_data *vpo = vpodata[dev->id_unit];
163 struct cam_devq *devq;
164
165 /* low level attachment */
166 if (vpo->vpo_isplus) {
167 if (!imm_attach(&vpo->vpo_io))
168 return (0);
169 } else {
170 if (!vpoio_attach(&vpo->vpo_io))
171 return (0);
172 }
173
174 /*
175 ** Now tell the generic SCSI layer
176 ** about our bus.
177 */
178 devq = cam_simq_alloc(/*maxopenings*/1);
179 /* XXX What about low-level detach on error? */
180 if (devq == NULL)
181 return (0);
182
183 vpo->sim = cam_sim_alloc(vpo_action, vpo_poll, "vpo", vpo, dev->id_unit,
184 /*untagged*/1, /*tagged*/0, devq);
185 if (vpo->sim == NULL) {
186 cam_simq_free(devq);
187 return (0);
188 }
189
190 if (xpt_bus_register(vpo->sim, /*bus*/0) != CAM_SUCCESS) {
191 cam_sim_free(vpo->sim, /*free_devq*/TRUE);
192 return (0);
193 }
194
195 if (xpt_create_path(&vpo->path, /*periph*/NULL,
196 cam_sim_path(vpo->sim), CAM_TARGET_WILDCARD,
197 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
198 xpt_bus_deregister(cam_sim_path(vpo->sim));
199 cam_sim_free(vpo->sim, /*free_devq*/TRUE);
200 return (0);
201 }
202
203 /* all went ok */
204
205 return (1);
206}
207
208/*
209 * vpo_intr()
210 */
211static void
212vpo_intr(struct vpo_data *vpo, struct ccb_scsiio *csio)
213{
214 int errno; /* error in errno.h */
215 int s;
216#ifdef VP0_DEBUG
217 int i;
218#endif
219
220 s = splcam();
221
222 if (vpo->vpo_isplus) {
223 errno = imm_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
224 csio->ccb_h.target_id,
225 (char *)&csio->cdb_io.cdb_bytes, csio->cdb_len,
226 (char *)csio->data_ptr, csio->dxfer_len,
227 &vpo->vpo_stat, &vpo->vpo_count, &vpo->vpo_error);
228 } else {
229 errno = vpoio_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
230 csio->ccb_h.target_id,
231 (char *)&csio->cdb_io.cdb_bytes, csio->cdb_len,
232 (char *)csio->data_ptr, csio->dxfer_len,
233 &vpo->vpo_stat, &vpo->vpo_count, &vpo->vpo_error);
234 }
235
236#ifdef VP0_DEBUG
237 printf("vpo_do_scsi = %d, status = 0x%x, count = %d, vpo_error = %d\n",
238 errno, vpo->vpo_stat, vpo->vpo_count, vpo->vpo_error);
239
240 /* dump of command */
241 for (i=0; i<csio->cdb_len; i++)
242 printf("%x ", ((char *)&csio->cdb_io.cdb_bytes)[i]);
243
244 printf("\n");
245#endif
246
247 if (errno) {
248 /* connection to ppbus interrupted */
249 csio->ccb_h.status = CAM_CMD_TIMEOUT;
250 goto error;
251 }
252
253 /* if a timeout occured, no sense */
254 if (vpo->vpo_error) {
255 if (vpo->vpo_error != VP0_ESELECT_TIMEOUT)
256 printf("vpo%d: VP0 error/timeout (%d)\n",
257 vpo->vpo_unit, vpo->vpo_error);
258
259 csio->ccb_h.status = CAM_CMD_TIMEOUT;
260 goto error;
261 }
262
263 /* check scsi status */
264 if (vpo->vpo_stat != SCSI_STATUS_OK) {
265 csio->scsi_status = vpo->vpo_stat;
266
267 /* check if we have to sense the drive */
268 if ((vpo->vpo_stat & SCSI_STATUS_CHECK_COND) != 0) {
269
270 vpo->vpo_sense.cmd.opcode = REQUEST_SENSE;
271 vpo->vpo_sense.cmd.length = csio->sense_len;
272 vpo->vpo_sense.cmd.control = 0;
273
274 if (vpo->vpo_isplus) {
275 errno = imm_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
276 csio->ccb_h.target_id,
277 (char *)&vpo->vpo_sense.cmd,
278 sizeof(vpo->vpo_sense.cmd),
279 (char *)&csio->sense_data, csio->sense_len,
280 &vpo->vpo_sense.stat, &vpo->vpo_sense.count,
281 &vpo->vpo_error);
282 } else {
283 errno = vpoio_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
284 csio->ccb_h.target_id,
285 (char *)&vpo->vpo_sense.cmd,
286 sizeof(vpo->vpo_sense.cmd),
287 (char *)&csio->sense_data, csio->sense_len,
288 &vpo->vpo_sense.stat, &vpo->vpo_sense.count,
289 &vpo->vpo_error);
290 }
291
292
293#ifdef VP0_DEBUG
294 printf("(sense) vpo_do_scsi = %d, status = 0x%x, count = %d, vpo_error = %d\n",
295 errno, vpo->vpo_sense.stat, vpo->vpo_sense.count, vpo->vpo_error);
296#endif
297
298 /* check sense return status */
299 if (errno == 0 && vpo->vpo_sense.stat == SCSI_STATUS_OK) {
300 /* sense ok */
301 csio->ccb_h.status = CAM_AUTOSNS_VALID | CAM_SCSI_STATUS_ERROR;
302 csio->sense_resid = csio->sense_len - vpo->vpo_sense.count;
303
304#ifdef VP0_DEBUG
305 /* dump of sense info */
306 printf("(sense) ");
307 for (i=0; i<vpo->vpo_sense.count; i++)
308 printf("%x ", ((char *)&csio->sense_data)[i]);
309 printf("\n");
310#endif
311
312 } else {
313 /* sense failed */
314 csio->ccb_h.status = CAM_AUTOSENSE_FAIL;
315 }
316 } else {
317 /* no sense */
318 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR;
319 }
320
321 goto error;
322 }
323
324 csio->resid = csio->dxfer_len - vpo->vpo_count;
325 csio->ccb_h.status = CAM_REQ_CMP;
326
327error:
328 splx(s);
329
330 return;
331}
332
333static void
334vpo_action(struct cam_sim *sim, union ccb *ccb)
335{
336
337 struct vpo_data *vpo = (struct vpo_data *)sim->softc;
338
339 switch (ccb->ccb_h.func_code) {
340 case XPT_SCSI_IO:
341 {
342 struct ccb_scsiio *csio;
343
344 csio = &ccb->csio;
345
346#ifdef VP0_DEBUG
347 printf("vpo%d: XPT_SCSI_IO (0x%x) request\n",
348 vpo->vpo_unit, csio->cdb_io.cdb_bytes[0]);
349#endif
350
351 vpo_intr(vpo, csio);
352
353 xpt_done(ccb);
354
355 break;
356 }
357 case XPT_CALC_GEOMETRY:
358 {
359 struct ccb_calc_geometry *ccg;
| 27 *
28 */
29
30#ifdef KERNEL
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/malloc.h>
34#include <sys/buf.h>
35
36#include <machine/clock.h>
37
38#endif /* KERNEL */
39
40#include <cam/cam.h>
41#include <cam/cam_ccb.h>
42#include <cam/cam_sim.h>
43#include <cam/cam_xpt_sim.h>
44#include <cam/cam_debug.h>
45
46#include <cam/scsi/scsi_all.h>
47#include <cam/scsi/scsi_message.h>
48#include <cam/scsi/scsi_da.h>
49
50#ifdef KERNEL
51#include <sys/kernel.h>
52#endif /*KERNEL */
53
54#include "opt_vpo.h"
55
56#include <dev/ppbus/ppbconf.h>
57#include <dev/ppbus/vpoio.h>
58
59struct vpo_sense {
60 struct scsi_sense cmd;
61 unsigned int stat;
62 unsigned int count;
63};
64
65struct vpo_data {
66 unsigned short vpo_unit;
67
68 int vpo_stat;
69 int vpo_count;
70 int vpo_error;
71
72 int vpo_isplus;
73
74 struct cam_sim *sim;
75 struct cam_path *path;
76
77 struct vpo_sense vpo_sense;
78
79 struct vpoio_data vpo_io; /* interface to low level functions */
80};
81
82/* cam related functions */
83static void vpo_action(struct cam_sim *sim, union ccb *ccb);
84static void vpo_poll(struct cam_sim *sim);
85
86static int nvpo = 0;
87#define MAXVP0 8 /* XXX not much better! */
88static struct vpo_data *vpodata[MAXVP0];
89
90#ifdef KERNEL
91
92/*
93 * Make ourselves visible as a ppbus driver
94 */
95static struct ppb_device *vpoprobe(struct ppb_data *ppb);
96static int vpoattach(struct ppb_device *dev);
97
98static struct ppb_driver vpodriver = {
99 vpoprobe, vpoattach, "vpo"
100};
101DATA_SET(ppbdriver_set, vpodriver);
102
103#endif /* KERNEL */
104
105/*
106 * vpoprobe()
107 *
108 * Called by ppb_attachdevs().
109 */
110static struct ppb_device *
111vpoprobe(struct ppb_data *ppb)
112{
113 struct vpo_data *vpo;
114 struct ppb_device *dev;
115
116 if (nvpo >= MAXVP0) {
117 printf("vpo: Too many devices (max %d)\n", MAXVP0);
118 return(NULL);
119 }
120
121 vpo = (struct vpo_data *)malloc(sizeof(struct vpo_data),
122 M_DEVBUF, M_NOWAIT);
123 if (!vpo) {
124 printf("vpo: cannot malloc!\n");
125 return(NULL);
126 }
127 bzero(vpo, sizeof(struct vpo_data));
128
129 vpodata[nvpo] = vpo;
130
131 /* vpo dependent initialisation */
132 vpo->vpo_unit = nvpo;
133
134 /* ok, go to next device on next probe */
135 nvpo ++;
136
137 /* low level probe */
138 vpoio_set_unit(&vpo->vpo_io, vpo->vpo_unit);
139
140 /* check ZIP before ZIP+ or imm_probe() will send controls to
141 * the printer or whatelse connected to the port */
142 if ((dev = vpoio_probe(ppb, &vpo->vpo_io))) {
143 vpo->vpo_isplus = 0;
144 } else if ((dev = imm_probe(ppb, &vpo->vpo_io))) {
145 vpo->vpo_isplus = 1;
146 } else {
147 free(vpo, M_DEVBUF);
148 return (NULL);
149 }
150
151 return (dev);
152}
153
154/*
155 * vpoattach()
156 *
157 * Called by ppb_attachdevs().
158 */
159static int
160vpoattach(struct ppb_device *dev)
161{
162 struct vpo_data *vpo = vpodata[dev->id_unit];
163 struct cam_devq *devq;
164
165 /* low level attachment */
166 if (vpo->vpo_isplus) {
167 if (!imm_attach(&vpo->vpo_io))
168 return (0);
169 } else {
170 if (!vpoio_attach(&vpo->vpo_io))
171 return (0);
172 }
173
174 /*
175 ** Now tell the generic SCSI layer
176 ** about our bus.
177 */
178 devq = cam_simq_alloc(/*maxopenings*/1);
179 /* XXX What about low-level detach on error? */
180 if (devq == NULL)
181 return (0);
182
183 vpo->sim = cam_sim_alloc(vpo_action, vpo_poll, "vpo", vpo, dev->id_unit,
184 /*untagged*/1, /*tagged*/0, devq);
185 if (vpo->sim == NULL) {
186 cam_simq_free(devq);
187 return (0);
188 }
189
190 if (xpt_bus_register(vpo->sim, /*bus*/0) != CAM_SUCCESS) {
191 cam_sim_free(vpo->sim, /*free_devq*/TRUE);
192 return (0);
193 }
194
195 if (xpt_create_path(&vpo->path, /*periph*/NULL,
196 cam_sim_path(vpo->sim), CAM_TARGET_WILDCARD,
197 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
198 xpt_bus_deregister(cam_sim_path(vpo->sim));
199 cam_sim_free(vpo->sim, /*free_devq*/TRUE);
200 return (0);
201 }
202
203 /* all went ok */
204
205 return (1);
206}
207
208/*
209 * vpo_intr()
210 */
211static void
212vpo_intr(struct vpo_data *vpo, struct ccb_scsiio *csio)
213{
214 int errno; /* error in errno.h */
215 int s;
216#ifdef VP0_DEBUG
217 int i;
218#endif
219
220 s = splcam();
221
222 if (vpo->vpo_isplus) {
223 errno = imm_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
224 csio->ccb_h.target_id,
225 (char *)&csio->cdb_io.cdb_bytes, csio->cdb_len,
226 (char *)csio->data_ptr, csio->dxfer_len,
227 &vpo->vpo_stat, &vpo->vpo_count, &vpo->vpo_error);
228 } else {
229 errno = vpoio_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
230 csio->ccb_h.target_id,
231 (char *)&csio->cdb_io.cdb_bytes, csio->cdb_len,
232 (char *)csio->data_ptr, csio->dxfer_len,
233 &vpo->vpo_stat, &vpo->vpo_count, &vpo->vpo_error);
234 }
235
236#ifdef VP0_DEBUG
237 printf("vpo_do_scsi = %d, status = 0x%x, count = %d, vpo_error = %d\n",
238 errno, vpo->vpo_stat, vpo->vpo_count, vpo->vpo_error);
239
240 /* dump of command */
241 for (i=0; i<csio->cdb_len; i++)
242 printf("%x ", ((char *)&csio->cdb_io.cdb_bytes)[i]);
243
244 printf("\n");
245#endif
246
247 if (errno) {
248 /* connection to ppbus interrupted */
249 csio->ccb_h.status = CAM_CMD_TIMEOUT;
250 goto error;
251 }
252
253 /* if a timeout occured, no sense */
254 if (vpo->vpo_error) {
255 if (vpo->vpo_error != VP0_ESELECT_TIMEOUT)
256 printf("vpo%d: VP0 error/timeout (%d)\n",
257 vpo->vpo_unit, vpo->vpo_error);
258
259 csio->ccb_h.status = CAM_CMD_TIMEOUT;
260 goto error;
261 }
262
263 /* check scsi status */
264 if (vpo->vpo_stat != SCSI_STATUS_OK) {
265 csio->scsi_status = vpo->vpo_stat;
266
267 /* check if we have to sense the drive */
268 if ((vpo->vpo_stat & SCSI_STATUS_CHECK_COND) != 0) {
269
270 vpo->vpo_sense.cmd.opcode = REQUEST_SENSE;
271 vpo->vpo_sense.cmd.length = csio->sense_len;
272 vpo->vpo_sense.cmd.control = 0;
273
274 if (vpo->vpo_isplus) {
275 errno = imm_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
276 csio->ccb_h.target_id,
277 (char *)&vpo->vpo_sense.cmd,
278 sizeof(vpo->vpo_sense.cmd),
279 (char *)&csio->sense_data, csio->sense_len,
280 &vpo->vpo_sense.stat, &vpo->vpo_sense.count,
281 &vpo->vpo_error);
282 } else {
283 errno = vpoio_do_scsi(&vpo->vpo_io, VP0_INITIATOR,
284 csio->ccb_h.target_id,
285 (char *)&vpo->vpo_sense.cmd,
286 sizeof(vpo->vpo_sense.cmd),
287 (char *)&csio->sense_data, csio->sense_len,
288 &vpo->vpo_sense.stat, &vpo->vpo_sense.count,
289 &vpo->vpo_error);
290 }
291
292
293#ifdef VP0_DEBUG
294 printf("(sense) vpo_do_scsi = %d, status = 0x%x, count = %d, vpo_error = %d\n",
295 errno, vpo->vpo_sense.stat, vpo->vpo_sense.count, vpo->vpo_error);
296#endif
297
298 /* check sense return status */
299 if (errno == 0 && vpo->vpo_sense.stat == SCSI_STATUS_OK) {
300 /* sense ok */
301 csio->ccb_h.status = CAM_AUTOSNS_VALID | CAM_SCSI_STATUS_ERROR;
302 csio->sense_resid = csio->sense_len - vpo->vpo_sense.count;
303
304#ifdef VP0_DEBUG
305 /* dump of sense info */
306 printf("(sense) ");
307 for (i=0; i<vpo->vpo_sense.count; i++)
308 printf("%x ", ((char *)&csio->sense_data)[i]);
309 printf("\n");
310#endif
311
312 } else {
313 /* sense failed */
314 csio->ccb_h.status = CAM_AUTOSENSE_FAIL;
315 }
316 } else {
317 /* no sense */
318 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR;
319 }
320
321 goto error;
322 }
323
324 csio->resid = csio->dxfer_len - vpo->vpo_count;
325 csio->ccb_h.status = CAM_REQ_CMP;
326
327error:
328 splx(s);
329
330 return;
331}
332
333static void
334vpo_action(struct cam_sim *sim, union ccb *ccb)
335{
336
337 struct vpo_data *vpo = (struct vpo_data *)sim->softc;
338
339 switch (ccb->ccb_h.func_code) {
340 case XPT_SCSI_IO:
341 {
342 struct ccb_scsiio *csio;
343
344 csio = &ccb->csio;
345
346#ifdef VP0_DEBUG
347 printf("vpo%d: XPT_SCSI_IO (0x%x) request\n",
348 vpo->vpo_unit, csio->cdb_io.cdb_bytes[0]);
349#endif
350
351 vpo_intr(vpo, csio);
352
353 xpt_done(ccb);
354
355 break;
356 }
357 case XPT_CALC_GEOMETRY:
358 {
359 struct ccb_calc_geometry *ccg;
|