Deleted Added
sdiff udiff text old ( 190677 ) new ( 190878 )
full compact
cam_xpt.c (190677) cam_xpt.c (190878)
1/*-
2 * Implementation of the Common Access Method Transport (XPT) layer.
3 *
4 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs.
5 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 14 unchanged lines hidden (view full) ---

23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
1/*-
2 * Implementation of the Common Access Method Transport (XPT) layer.
3 *
4 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs.
5 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 14 unchanged lines hidden (view full) ---

23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/sys/cam/cam_xpt.c 190677 2009-04-03 19:49:33Z thompsa $");
31__FBSDID("$FreeBSD: head/sys/cam/cam_xpt.c 190878 2009-04-10 04:08:34Z thompsa $");
32
33#include <sys/param.h>
34#include <sys/bus.h>
35#include <sys/systm.h>
36#include <sys/types.h>
37#include <sys/malloc.h>
38#include <sys/kernel.h>
39#include <sys/time.h>

--- 5094 unchanged lines hidden (view full) ---

5134 }
5135 }
5136 return (device);
5137}
5138
5139typedef struct {
5140 union ccb *request_ccb;
5141 struct ccb_pathinq *cpi;
32
33#include <sys/param.h>
34#include <sys/bus.h>
35#include <sys/systm.h>
36#include <sys/types.h>
37#include <sys/malloc.h>
38#include <sys/kernel.h>
39#include <sys/time.h>

--- 5094 unchanged lines hidden (view full) ---

5134 }
5135 }
5136 return (device);
5137}
5138
5139typedef struct {
5140 union ccb *request_ccb;
5141 struct ccb_pathinq *cpi;
5142 struct root_hold_token *roothold;
5143 int counter;
5144} xpt_scan_bus_info;
5145
5146/*
5147 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb.
5148 * As the scan progresses, xpt_scan_bus is used as the
5149 * callback on completion function.
5150 */

--- 46 unchanged lines hidden (view full) ---

5197 malloc(sizeof(xpt_scan_bus_info), M_CAMXPT, M_NOWAIT);
5198 if (scan_info == NULL) {
5199 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
5200 xpt_done(request_ccb);
5201 return;
5202 }
5203 scan_info->request_ccb = request_ccb;
5204 scan_info->cpi = &work_ccb->cpi;
5142 int counter;
5143} xpt_scan_bus_info;
5144
5145/*
5146 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb.
5147 * As the scan progresses, xpt_scan_bus is used as the
5148 * callback on completion function.
5149 */

--- 46 unchanged lines hidden (view full) ---

5196 malloc(sizeof(xpt_scan_bus_info), M_CAMXPT, M_NOWAIT);
5197 if (scan_info == NULL) {
5198 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
5199 xpt_done(request_ccb);
5200 return;
5201 }
5202 scan_info->request_ccb = request_ccb;
5203 scan_info->cpi = &work_ccb->cpi;
5205 scan_info->roothold = root_mount_hold("CAM", M_NOWAIT);
5206
5207 /* Cache on our stack so we can work asynchronously */
5208 max_target = scan_info->cpi->max_target;
5209 initiator_id = scan_info->cpi->initiator_id;
5210
5211
5212 /*
5213 * We can scan all targets in parallel, or do it sequentially.

--- 15 unchanged lines hidden (view full) ---

5229
5230 status = xpt_create_path(&path, xpt_periph,
5231 request_ccb->ccb_h.path_id,
5232 i, 0);
5233 if (status != CAM_REQ_CMP) {
5234 printf("xpt_scan_bus: xpt_create_path failed"
5235 " with status %#x, bus scan halted\n",
5236 status);
5204
5205 /* Cache on our stack so we can work asynchronously */
5206 max_target = scan_info->cpi->max_target;
5207 initiator_id = scan_info->cpi->initiator_id;
5208
5209
5210 /*
5211 * We can scan all targets in parallel, or do it sequentially.

--- 15 unchanged lines hidden (view full) ---

5227
5228 status = xpt_create_path(&path, xpt_periph,
5229 request_ccb->ccb_h.path_id,
5230 i, 0);
5231 if (status != CAM_REQ_CMP) {
5232 printf("xpt_scan_bus: xpt_create_path failed"
5233 " with status %#x, bus scan halted\n",
5234 status);
5237 root_mount_rel(scan_info->roothold);
5238 free(scan_info, M_CAMXPT);
5239 request_ccb->ccb_h.status = status;
5240 xpt_free_ccb(work_ccb);
5241 xpt_done(request_ccb);
5242 break;
5243 }
5244 work_ccb = xpt_alloc_ccb_nowait();
5245 if (work_ccb == NULL) {
5235 free(scan_info, M_CAMXPT);
5236 request_ccb->ccb_h.status = status;
5237 xpt_free_ccb(work_ccb);
5238 xpt_done(request_ccb);
5239 break;
5240 }
5241 work_ccb = xpt_alloc_ccb_nowait();
5242 if (work_ccb == NULL) {
5246 root_mount_rel(scan_info->roothold);
5247 free(scan_info, M_CAMXPT);
5248 xpt_free_path(path);
5249 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
5250 xpt_done(request_ccb);
5251 break;
5252 }
5253 xpt_setup_ccb(&work_ccb->ccb_h, path,
5254 request_ccb->ccb_h.pinfo.priority);

--- 97 unchanged lines hidden (view full) ---

5352 if (scan_info->counter == 0) {
5353 done = 1;
5354 }
5355 }
5356 if (done) {
5357 xpt_free_ccb(request_ccb);
5358 xpt_free_ccb((union ccb *)scan_info->cpi);
5359 request_ccb = scan_info->request_ccb;
5243 free(scan_info, M_CAMXPT);
5244 xpt_free_path(path);
5245 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
5246 xpt_done(request_ccb);
5247 break;
5248 }
5249 xpt_setup_ccb(&work_ccb->ccb_h, path,
5250 request_ccb->ccb_h.pinfo.priority);

--- 97 unchanged lines hidden (view full) ---

5348 if (scan_info->counter == 0) {
5349 done = 1;
5350 }
5351 }
5352 if (done) {
5353 xpt_free_ccb(request_ccb);
5354 xpt_free_ccb((union ccb *)scan_info->cpi);
5355 request_ccb = scan_info->request_ccb;
5360 root_mount_rel(scan_info->roothold);
5361 free(scan_info, M_CAMXPT);
5362 request_ccb->ccb_h.status = CAM_REQ_CMP;
5363 xpt_done(request_ccb);
5364 break;
5365 }
5366
5367 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) {
5368 break;
5369 }
5370 status = xpt_create_path(&path, xpt_periph,
5371 scan_info->request_ccb->ccb_h.path_id,
5372 scan_info->counter, 0);
5373 if (status != CAM_REQ_CMP) {
5374 printf("xpt_scan_bus: xpt_create_path failed"
5375 " with status %#x, bus scan halted\n",
5376 status);
5377 xpt_free_ccb(request_ccb);
5378 xpt_free_ccb((union ccb *)scan_info->cpi);
5379 request_ccb = scan_info->request_ccb;
5356 free(scan_info, M_CAMXPT);
5357 request_ccb->ccb_h.status = CAM_REQ_CMP;
5358 xpt_done(request_ccb);
5359 break;
5360 }
5361
5362 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) {
5363 break;
5364 }
5365 status = xpt_create_path(&path, xpt_periph,
5366 scan_info->request_ccb->ccb_h.path_id,
5367 scan_info->counter, 0);
5368 if (status != CAM_REQ_CMP) {
5369 printf("xpt_scan_bus: xpt_create_path failed"
5370 " with status %#x, bus scan halted\n",
5371 status);
5372 xpt_free_ccb(request_ccb);
5373 xpt_free_ccb((union ccb *)scan_info->cpi);
5374 request_ccb = scan_info->request_ccb;
5380 root_mount_rel(scan_info->roothold);
5381 free(scan_info, M_CAMXPT);
5382 request_ccb->ccb_h.status = status;
5383 xpt_done(request_ccb);
5384 break;
5385 }
5386 xpt_setup_ccb(&request_ccb->ccb_h, path,
5387 request_ccb->ccb_h.pinfo.priority);
5388 request_ccb->ccb_h.func_code = XPT_SCAN_LUN;

--- 1940 unchanged lines hidden --- 		5375 free(scan_info, M_CAMXPT);
5376 request_ccb->ccb_h.status = status;
5377 xpt_done(request_ccb);
5378 break;
5379 }
5380 xpt_setup_ccb(&request_ccb->ccb_h, path,
5381 request_ccb->ccb_h.pinfo.priority);
5382 request_ccb->ccb_h.func_code = XPT_SCAN_LUN;

--- 1940 unchanged lines hidden ---