/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <sys/errno.h>
device_pager_data_initialize,
device_pager_data_unlock,
device_pager_synchronize,
- device_pager_unmap,
+ device_pager_map,
+ device_pager_last_unmap,
+ NULL, /* data_reclaim */
"device pager"
};
-typedef int device_port_t;
+typedef uintptr_t device_port_t;
/*
* The start of "struct device_pager" MUST match a "struct memory_object".
*/
typedef struct device_pager {
+ struct ipc_object_header pager_header; /* fake ip_kotype() */
memory_object_pager_ops_t pager_ops; /* == &device_pager_ops */
- unsigned int pager_ikot; /* fake ip_kotype() */
unsigned int ref_count; /* reference count */
memory_object_control_t control_handle; /* mem object's cntrl handle */
device_port_t device_handle; /* device_handle */
int flags;
} *device_pager_t;
-
+#define pager_ikot pager_header.io_bits
device_pager_t
size = (vm_size_t) sizeof(struct device_pager);
device_pager_zone = zinit(size, (vm_size_t) MAX_DNODE*size,
PAGE_SIZE, "device node pager structures");
-
+ zone_change(device_pager_zone, Z_CALLERACCT, FALSE);
return;
}
memory_object_t
device_pager_setup(
__unused memory_object_t device,
- int device_handle,
+ uintptr_t device_handle,
vm_size_t size,
int flags)
{
if(!vm_object->phys_contiguous) {
unsigned int null_size = 0;
+ assert((upl_size_t) size == size);
kr = vm_object_upl_request(vm_object,
- (vm_object_offset_t)offset, size, &upl, NULL,
- &null_size, (UPL_NO_SYNC | UPL_CLEAN_IN_PLACE));
-
+ (vm_object_offset_t)offset,
+ (upl_size_t) size, &upl, NULL,
+ &null_size,
+ (UPL_NO_SYNC | UPL_CLEAN_IN_PLACE));
if(kr != KERN_SUCCESS)
panic("device_pager_populate_object: list_req failed");
device_pager_init(
memory_object_t mem_obj,
memory_object_control_t control,
- __unused vm_size_t pg_size)
+ __unused memory_object_cluster_size_t pg_size)
{
device_pager_t device_object;
kern_return_t kr;
device_pager_data_return(
memory_object_t mem_obj,
memory_object_offset_t offset,
- vm_size_t data_cnt,
+ memory_object_cluster_size_t data_cnt,
__unused memory_object_offset_t *resid_offset,
__unused int *io_error,
__unused boolean_t dirty,
device_pager_data_request(
memory_object_t mem_obj,
memory_object_offset_t offset,
- vm_size_t length,
- __unused vm_prot_t protection_required)
+ memory_object_cluster_size_t length,
+ __unused vm_prot_t protection_required,
+ __unused memory_object_fault_info_t fault_info)
{
device_pager_t device_object;
device_pager_data_initialize(
__unused memory_object_t mem_obj,
__unused memory_object_offset_t offset,
- __unused vm_size_t data_cnt)
+ __unused memory_object_cluster_size_t data_cnt)
{
panic("device_pager_data_initialize");
return KERN_FAILURE;
device_pager_data_unlock(
__unused memory_object_t mem_obj,
__unused memory_object_offset_t offset,
- __unused vm_size_t size,
+ __unused memory_object_size_t size,
__unused vm_prot_t desired_access)
{
return KERN_FAILURE;
device_pager_synchronize(
memory_object_t mem_obj,
memory_object_offset_t offset,
- vm_offset_t length,
+ memory_object_size_t length,
__unused vm_sync_t sync_flags)
{
device_pager_t device_object;
*
*/
kern_return_t
-device_pager_unmap(
+device_pager_map(
+ __unused memory_object_t mem_obj,
+ __unused vm_prot_t prot)
+{
+ return KERN_SUCCESS;
+}
+
+kern_return_t
+device_pager_last_unmap(
__unused memory_object_t mem_obj)
{
return KERN_SUCCESS;
*
*/
device_pager_t
-device_object_create()
+device_object_create(void)
{
register device_pager_t device_object;
projects / apple / xnu.git / blobdiff