| busdma_dmar.c (257251) | busdma_dmar.c (259512) |
|---|---|
| 1/*- 2 * Copyright (c) 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 6 * under sponsorship from the FreeBSD Foundation. 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 * Copyright (c) 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 6 * under sponsorship from the FreeBSD Foundation. 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/x86/iommu/busdma_dmar.c 257251 2013-10-28 13:33:29Z kib $"); | 31__FBSDID("$FreeBSD: stable/10/sys/x86/iommu/busdma_dmar.c 259512 2013-12-17 13:49:35Z kib $"); |
| 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/malloc.h> 36#include <sys/bus.h> 37#include <sys/conf.h> 38#include <sys/interrupt.h> 39#include <sys/kernel.h> --- 118 unchanged lines hidden (view full) --- 158 159 *dmat = NULL; 160 error = common_bus_dma_tag_create(parent != NULL ? 161 &((struct bus_dma_tag_dmar *)parent)->common : NULL, alignment, 162 boundary, lowaddr, highaddr, filter, filterarg, maxsize, 163 nsegments, maxsegsz, flags, lockfunc, lockfuncarg, 164 sizeof(struct bus_dma_tag_dmar), (void **)&newtag); 165 if (error != 0) | 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/malloc.h> 36#include <sys/bus.h> 37#include <sys/conf.h> 38#include <sys/interrupt.h> 39#include <sys/kernel.h> --- 118 unchanged lines hidden (view full) --- 158 159 *dmat = NULL; 160 error = common_bus_dma_tag_create(parent != NULL ? 161 &((struct bus_dma_tag_dmar *)parent)->common : NULL, alignment, 162 boundary, lowaddr, highaddr, filter, filterarg, maxsize, 163 nsegments, maxsegsz, flags, lockfunc, lockfuncarg, 164 sizeof(struct bus_dma_tag_dmar), (void **)&newtag); 165 if (error != 0) |
| 166 return (error); | 166 goto out; |
| 167 168 oldtag = (struct bus_dma_tag_dmar *)parent; 169 newtag->common.impl = &bus_dma_dmar_impl; 170 newtag->ctx = oldtag->ctx; 171 newtag->owner = oldtag->owner; | 167 168 oldtag = (struct bus_dma_tag_dmar *)parent; 169 newtag->common.impl = &bus_dma_dmar_impl; 170 newtag->ctx = oldtag->ctx; 171 newtag->owner = oldtag->owner; |
| 172 error = 0; | |
| 173 | 172 |
| 174 if (error != 0) 175 free(newtag, M_DEVBUF); 176 else 177 *dmat = (bus_dma_tag_t)newtag; | 173 *dmat = (bus_dma_tag_t)newtag; 174out: |
| 178 CTR4(KTR_BUSDMA, "%s returned tag %p tag flags 0x%x error %d", 179 __func__, newtag, (newtag != NULL ? newtag->common.flags : 0), 180 error); 181 return (error); 182} 183 184static int 185dmar_bus_dma_tag_destroy(bus_dma_tag_t dmat1) --- 153 unchanged lines hidden (view full) --- 339 dmar_gaddr_t size; 340 bus_size_t buflen1; 341 int error, idx, gas_flags, seg; 342 343 if (segs == NULL) 344 segs = tag->segments; 345 ctx = tag->ctx; 346 seg = *segp; | 175 CTR4(KTR_BUSDMA, "%s returned tag %p tag flags 0x%x error %d", 176 __func__, newtag, (newtag != NULL ? newtag->common.flags : 0), 177 error); 178 return (error); 179} 180 181static int 182dmar_bus_dma_tag_destroy(bus_dma_tag_t dmat1) --- 153 unchanged lines hidden (view full) --- 336 dmar_gaddr_t size; 337 bus_size_t buflen1; 338 int error, idx, gas_flags, seg; 339 340 if (segs == NULL) 341 segs = tag->segments; 342 ctx = tag->ctx; 343 seg = *segp; |
| 344 error = 0; |
|
| 347 idx = 0; 348 while (buflen > 0) { 349 seg++; 350 if (seg >= tag->common.nsegments) { 351 error = EFBIG; 352 break; 353 } 354 buflen1 = buflen > tag->common.maxsegsz ? --- 400 unchanged lines hidden --- | 345 idx = 0; 346 while (buflen > 0) { 347 seg++; 348 if (seg >= tag->common.nsegments) { 349 error = EFBIG; 350 break; 351 } 352 buflen1 = buflen > tag->common.maxsegsz ? --- 400 unchanged lines hidden --- |