X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..316670eb35587141e969394ae8537d66b9211e80:/osfmk/vm/device_vm.c diff --git a/osfmk/vm/device_vm.c b/osfmk/vm/device_vm.c index 807d10b2d..f3df12b70 100644 --- a/osfmk/vm/device_vm.c +++ b/osfmk/vm/device_vm.c @@ -1,23 +1,29 @@ /* - * 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 @@ -67,18 +73,20 @@ const struct memory_object_pager_ops device_pager_ops = { 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 */ @@ -86,7 +94,7 @@ typedef struct device_pager { int flags; } *device_pager_t; - +#define pager_ikot pager_header.io_bits device_pager_t @@ -119,7 +127,7 @@ device_pager_bootstrap(void) 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; } @@ -129,7 +137,7 @@ device_pager_bootstrap(void) memory_object_t device_pager_setup( __unused memory_object_t device, - int device_handle, + uintptr_t device_handle, vm_size_t size, int flags) { @@ -177,10 +185,12 @@ device_pager_populate_object( 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"); @@ -213,7 +223,7 @@ kern_return_t 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; @@ -271,7 +281,7 @@ kern_return_t 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, @@ -297,8 +307,9 @@ kern_return_t 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; @@ -368,7 +379,7 @@ kern_return_t 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; @@ -378,7 +389,7 @@ kern_return_t 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; @@ -400,7 +411,7 @@ kern_return_t 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; @@ -417,7 +428,15 @@ device_pager_synchronize( * */ 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; @@ -429,7 +448,7 @@ device_pager_unmap( * */ device_pager_t -device_object_create() +device_object_create(void) { register device_pager_t device_object;