| acpi.c (225736) | acpi.c (227397) |
|---|---|
| 1/*- 2 * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org> 3 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 4 * Copyright (c) 2000, 2001 Michael Smith 5 * Copyright (c) 2000 BSDi 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 * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org> 3 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 4 * Copyright (c) 2000, 2001 Michael Smith 5 * Copyright (c) 2000 BSDi 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: stable/9/sys/dev/acpica/acpi.c 225533 2011-09-13 15:57:29Z brueffer $"); | 31__FBSDID("$FreeBSD: stable/9/sys/dev/acpica/acpi.c 227397 2011-11-09 18:12:42Z jhb $"); |
| 32 33#include "opt_acpi.h" 34#include <sys/param.h> 35#include <sys/kernel.h> 36#include <sys/proc.h> 37#include <sys/fcntl.h> 38#include <sys/malloc.h> 39#include <sys/module.h> --- 1193 unchanged lines hidden (view full) --- 1233acpi_alloc_resource(device_t bus, device_t child, int type, int *rid, 1234 u_long start, u_long end, u_long count, u_int flags) 1235{ 1236 ACPI_RESOURCE ares; 1237 struct acpi_device *ad; 1238 struct resource_list_entry *rle; 1239 struct resource_list *rl; 1240 struct resource *res; | 32 33#include "opt_acpi.h" 34#include <sys/param.h> 35#include <sys/kernel.h> 36#include <sys/proc.h> 37#include <sys/fcntl.h> 38#include <sys/malloc.h> 39#include <sys/module.h> --- 1193 unchanged lines hidden (view full) --- 1233acpi_alloc_resource(device_t bus, device_t child, int type, int *rid, 1234 u_long start, u_long end, u_long count, u_int flags) 1235{ 1236 ACPI_RESOURCE ares; 1237 struct acpi_device *ad; 1238 struct resource_list_entry *rle; 1239 struct resource_list *rl; 1240 struct resource *res; |
| 1241 struct rman *rm; | |
| 1242 int isdefault = (start == 0UL && end == ~0UL); 1243 1244 /* 1245 * First attempt at allocating the resource. For direct children, 1246 * use resource_list_alloc() to handle reserved resources. For 1247 * other devices, pass the request up to our parent. 1248 */ 1249 if (bus == device_get_parent(child)) { --- 36 unchanged lines hidden (view full) --- 1286 start = rle->start; 1287 end = rle->end; 1288 count = rle->count; 1289 } 1290 } 1291 } else 1292 res = BUS_ALLOC_RESOURCE(device_get_parent(bus), child, type, rid, 1293 start, end, count, flags); | 1241 int isdefault = (start == 0UL && end == ~0UL); 1242 1243 /* 1244 * First attempt at allocating the resource. For direct children, 1245 * use resource_list_alloc() to handle reserved resources. For 1246 * other devices, pass the request up to our parent. 1247 */ 1248 if (bus == device_get_parent(child)) { --- 36 unchanged lines hidden (view full) --- 1285 start = rle->start; 1286 end = rle->end; 1287 count = rle->count; 1288 } 1289 } 1290 } else 1291 res = BUS_ALLOC_RESOURCE(device_get_parent(bus), child, type, rid, 1292 start, end, count, flags); |
| 1294 if (res != NULL || start + count - 1 != end) 1295 return (res); | |
| 1296 1297 /* 1298 * If the first attempt failed and this is an allocation of a 1299 * specific range, try to satisfy the request via a suballocation | 1293 1294 /* 1295 * If the first attempt failed and this is an allocation of a 1296 * specific range, try to satisfy the request via a suballocation |
| 1300 * from our system resource regions. Note that we only handle 1301 * memory and I/O port system resources. | 1297 * from our system resource regions. |
| 1302 */ | 1298 */ |
| 1299 if (res == NULL && start + count - 1 == end) 1300 res = acpi_alloc_sysres(child, type, rid, start, end, count, flags); 1301 return (res); 1302} 1303 1304/* 1305 * Attempt to allocate a specific resource range from the system 1306 * resource ranges. Note that we only handle memory and I/O port 1307 * system resources. 1308 */ 1309struct resource * 1310acpi_alloc_sysres(device_t child, int type, int *rid, u_long start, u_long end, 1311 u_long count, u_int flags) 1312{ 1313 struct rman *rm; 1314 struct resource *res; 1315 |
|
| 1303 switch (type) { 1304 case SYS_RES_IOPORT: 1305 rm = &acpi_rman_io; 1306 break; 1307 case SYS_RES_MEMORY: 1308 rm = &acpi_rman_mem; 1309 break; 1310 default: 1311 return (NULL); 1312 } 1313 | 1316 switch (type) { 1317 case SYS_RES_IOPORT: 1318 rm = &acpi_rman_io; 1319 break; 1320 case SYS_RES_MEMORY: 1321 rm = &acpi_rman_mem; 1322 break; 1323 default: 1324 return (NULL); 1325 } 1326 |
| 1327 KASSERT(start + count - 1 == end, ("wildcard resource range")); |
|
| 1314 res = rman_reserve_resource(rm, start, end, count, flags & ~RF_ACTIVE, 1315 child); 1316 if (res == NULL) 1317 return (NULL); 1318 1319 rman_set_rid(res, *rid); 1320 1321 /* If requested, activate the resource using the parent's method. */ --- 2512 unchanged lines hidden --- | 1328 res = rman_reserve_resource(rm, start, end, count, flags & ~RF_ACTIVE, 1329 child); 1330 if (res == NULL) 1331 return (NULL); 1332 1333 rman_set_rid(res, *rid); 1334 1335 /* If requested, activate the resource using the parent's method. */ --- 2512 unchanged lines hidden --- |