| ciss.c (203524) | ciss.c (204648) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Michael Smith 3 * Copyright (c) 2004 Paul Saab 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 2001 Michael Smith 3 * Copyright (c) 2004 Paul Saab 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $FreeBSD: head/sys/dev/ciss/ciss.c 203524 2010-02-05 12:40:18Z mav $ | 27 * $FreeBSD: head/sys/dev/ciss/ciss.c 204648 2010-03-03 17:58:41Z mav $ |
| 28 */ 29 30/* 31 * Common Interface for SCSI-3 Support driver. 32 * 33 * CISS claims to provide a common interface between a generic SCSI 34 * transport and an intelligent host adapter. 35 * --- 1312 unchanged lines hidden (view full) --- 1348 CISS_MAX_LOGICAL); 1349 if (cll == NULL) { 1350 error = ENXIO; 1351 goto out; 1352 } 1353 1354 /* sanity-check reply */ 1355 ndrives = (ntohl(cll->list_size) / sizeof(union ciss_device_address)); | 28 */ 29 30/* 31 * Common Interface for SCSI-3 Support driver. 32 * 33 * CISS claims to provide a common interface between a generic SCSI 34 * transport and an intelligent host adapter. 35 * --- 1312 unchanged lines hidden (view full) --- 1348 CISS_MAX_LOGICAL); 1349 if (cll == NULL) { 1350 error = ENXIO; 1351 goto out; 1352 } 1353 1354 /* sanity-check reply */ 1355 ndrives = (ntohl(cll->list_size) / sizeof(union ciss_device_address)); |
| 1356 if ((ndrives < 0) || (ndrives >= CISS_MAX_LOGICAL)) { | 1356 if ((ndrives < 0) || (ndrives > CISS_MAX_LOGICAL)) { |
| 1357 ciss_printf(sc, "adapter claims to report absurd number of logical drives (%d > %d)\n", 1358 ndrives, CISS_MAX_LOGICAL); 1359 error = ENXIO; 1360 goto out; 1361 } 1362 1363 /* 1364 * Save logical drive information. --- 1421 unchanged lines hidden (view full) --- 2786 int i, maxbus; 2787 2788 debug_called(1); 2789 2790 /* 2791 * Allocate a devq. We can reuse this for the masked physical 2792 * devices if we decide to export these as well. 2793 */ | 1357 ciss_printf(sc, "adapter claims to report absurd number of logical drives (%d > %d)\n", 1358 ndrives, CISS_MAX_LOGICAL); 1359 error = ENXIO; 1360 goto out; 1361 } 1362 1363 /* 1364 * Save logical drive information. --- 1421 unchanged lines hidden (view full) --- 2786 int i, maxbus; 2787 2788 debug_called(1); 2789 2790 /* 2791 * Allocate a devq. We can reuse this for the masked physical 2792 * devices if we decide to export these as well. 2793 */ |
| 2794 if ((sc->ciss_cam_devq = cam_simq_alloc(sc->ciss_max_requests)) == NULL) { | 2794 if ((sc->ciss_cam_devq = cam_simq_alloc(sc->ciss_max_requests - 2)) == NULL) { |
| 2795 ciss_printf(sc, "can't allocate CAM SIM queue\n"); 2796 return(ENOMEM); 2797 } 2798 2799 /* 2800 * Create a SIM. 2801 * 2802 * This naturally wastes a bit of memory. The alternative is to allocate --- 257 unchanged lines hidden (view full) --- 3060 3061 /* 3062 * Get a request to manage this command. If we can't, return the 3063 * ccb, freeze the queue and flag so that we unfreeze it when a 3064 * request completes. 3065 */ 3066 if ((error = ciss_get_request(sc, &cr)) != 0) { 3067 xpt_freeze_simq(sim, 1); | 2795 ciss_printf(sc, "can't allocate CAM SIM queue\n"); 2796 return(ENOMEM); 2797 } 2798 2799 /* 2800 * Create a SIM. 2801 * 2802 * This naturally wastes a bit of memory. The alternative is to allocate --- 257 unchanged lines hidden (view full) --- 3060 3061 /* 3062 * Get a request to manage this command. If we can't, return the 3063 * ccb, freeze the queue and flag so that we unfreeze it when a 3064 * request completes. 3065 */ 3066 if ((error = ciss_get_request(sc, &cr)) != 0) { 3067 xpt_freeze_simq(sim, 1); |
| 3068 csio->ccb_h.status |= CAM_RELEASE_SIMQ; | 3068 sc->ciss_flags |= CISS_FLAG_BUSY; |
| 3069 csio->ccb_h.status |= CAM_REQUEUE_REQ; 3070 return(error); 3071 } 3072 3073 /* 3074 * Build the command. 3075 */ 3076 cc = cr->cr_cc; --- 193 unchanged lines hidden (view full) --- 3270 csio->ccb_h.status |= CAM_REQ_CMP_ERR; 3271 break; 3272 } 3273 3274 /* handle post-command fixup */ 3275 ciss_cam_complete_fixup(sc, csio); 3276 3277 ciss_release_request(cr); | 3069 csio->ccb_h.status |= CAM_REQUEUE_REQ; 3070 return(error); 3071 } 3072 3073 /* 3074 * Build the command. 3075 */ 3076 cc = cr->cr_cc; --- 193 unchanged lines hidden (view full) --- 3270 csio->ccb_h.status |= CAM_REQ_CMP_ERR; 3271 break; 3272 } 3273 3274 /* handle post-command fixup */ 3275 ciss_cam_complete_fixup(sc, csio); 3276 3277 ciss_release_request(cr); |
| 3278 if (sc->ciss_flags & CISS_FLAG_BUSY) { 3279 sc->ciss_flags &= ~CISS_FLAG_BUSY; 3280 if (csio->ccb_h.status & CAM_RELEASE_SIMQ) 3281 xpt_release_simq(xpt_path_sim(csio->ccb_h.path), 0); 3282 else 3283 csio->ccb_h.status |= CAM_RELEASE_SIMQ; 3284 } |
|
| 3278 xpt_done((union ccb *)csio); 3279} 3280 3281/******************************************************************************** 3282 * Fix up the result of some commands here. 3283 */ 3284static void 3285ciss_cam_complete_fixup(struct ciss_softc *sc, struct ccb_scsiio *csio) --- 1354 unchanged lines hidden --- | 3285 xpt_done((union ccb *)csio); 3286} 3287 3288/******************************************************************************** 3289 * Fix up the result of some commands here. 3290 */ 3291static void 3292ciss_cam_complete_fixup(struct ciss_softc *sc, struct ccb_scsiio *csio) --- 1354 unchanged lines hidden --- |