/*
- * Copyright (c) 2000 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@
*/
/*
* @OSF_COPYRIGHT@
#include <ipc/ipc_port.h>
#include <ipc/ipc_types.h>
#include <ipc/ipc_space.h>
-#include <kern/lock.h>
+#include <kern/locks.h>
#include <kern/kalloc.h>
#include <kern/thread.h>
#include <vm/vm_kern.h>
#define MACH_PORT_FACE mach_port_t
-#if 0
-#ifndef USE_PRECIOUS
-#define USE_PRECIOUS TRUE
-#endif
+#if CONFIG_FREEZE
+#define RECLAIM_SWAP 1
+#else
+#define RECLAIM_SWAP 0
#endif
+#define USE_PRECIOUS 0
+
#ifdef USER_PAGER
#define UP(stuff) stuff
#else /* USER_PAGER */
#define UP(stuff)
#endif /* USER_PAGER */
-#ifndef MACH_KERNEL
-extern struct mutex dprintf_lock;
-#define PRINTF_LOCK_INIT() mutex_init(&dprintf_lock)
-#define PRINTF_LOCK() mutex_lock(&dprintf_lock)
-#define PRINTF_UNLOCK() mutex_unlock(&dprintf_lock)
-#endif
-
-#ifndef MACH_KERNEL
-#define dprintf(args) \
- do { \
- PRINTF_LOCK(); \
- printf("%s[%d]: ", my_name, dp_thread_id()); \
- printf args; \
- PRINTF_UNLOCK(); \
- } while (0)
-#else
#define dprintf(args) \
do { \
printf("%s[KERNEL]: ", my_name); \
printf args; \
} while (0)
-#endif
/*
* Debug.
*/
-__private_extern__ char my_name[];
+extern char my_name[];
#define DEFAULT_PAGER_DEBUG 0
#define DEBUG_BS_EXTERNAL 0x01000000
#define DEBUG_BS_INTERNAL 0x02000000
-#define DEBUG(level, args) \
+#define DP_DEBUG(level, args) \
do { \
if (debug_mask & (level)) \
dprintf(args); \
#else /* DEFAULT_PAGER_DEBUG */
-#define DEBUG(level, args)
-#define ASSERT(clause)
+#define DP_DEBUG(level, args) do {} while(0)
+#define ASSERT(clause) do {} while(0)
#endif /* DEFAULT_PAGER_DEBUG */
extern char *mach_error_string(kern_return_t);
#endif
-#define MIN(a,b) (((a) < (b)) ? (a) : (b))
-
#define PAGER_SUCCESS 0
#define PAGER_FULL 1
#define PAGER_ERROR 2
* VM and IPC globals.
*/
#ifdef MACH_KERNEL
-#define vm_page_size page_size
-extern vm_size_t page_size;
+#define vm_page_size PAGE_SIZE
+#define vm_page_mask PAGE_MASK
+#define vm_page_shift PAGE_SHIFT
#else
extern vm_object_size_t vm_page_size;
-#endif
extern unsigned long long vm_page_mask;
extern int vm_page_shift;
+#endif
#ifndef MACH_KERNEL
#define ptoa(p) ((p)*vm_page_size)
#define atop(a) ((a)/vm_page_size)
#endif
-#define howmany(a,b) (((a) + (b) - 1)/(b))
+#define howmany(a,b) ((((a) % (b)) == 0) ? ((a) / (b)) : (((a) / (b)) + 1))
extern memory_object_default_t default_pager_object;
#ifdef MACH_KERNEL
-extern mutex_t dpt_lock; /* Lock for the dpt array */
-extern unsigned int default_pager_internal_count;
+extern lck_mtx_t dpt_lock; /* Lock for the dpt array */
+extern int default_pager_internal_count;
extern MACH_PORT_FACE default_pager_host_port;
/* extern task_t default_pager_self; */ /* dont need or want */
extern MACH_PORT_FACE default_pager_internal_set;
extern mach_port_t default_pager_default_set;
#endif
+typedef vm32_offset_t dp_offset_t;
+typedef vm32_size_t dp_size_t;
+typedef vm32_address_t dp_address_t;
+
typedef struct default_pager_thread {
#ifndef MACH_KERNEL
cthread_t dpt_thread; /* Server thread. */
/*
* Global statistics.
*/
-struct {
+struct global_stats {
unsigned int gs_pageout_calls; /* # pageout calls */
unsigned int gs_pagein_calls; /* # pagein calls */
unsigned int gs_pages_in; /* # pages paged in (total) */
unsigned int gs_pages_init; /* # page init requests */
unsigned int gs_pages_init_writes; /* # page init writes */
VSTATS_LOCK_DECL(gs_lock)
-} global_stats;
+};
+extern struct global_stats global_stats;
#define GSTAT(clause) VSTATS_ACTION(&global_stats.gs_lock, (clause))
/*
#define BS_NOPRI -1
#define BS_FULLPRI -2
+/*
+ * Quick way to access the emergency segment backing store structures
+ * without a full-blown search.
+ */
+extern MACH_PORT_FACE emergency_segment_backing_store;
+
/*
* Mapping between backing store port and backing store object.
*/
struct backing_store {
queue_chain_t bs_links; /* link in backing_store_list */
-#ifdef MACH_KERNEL
- mutex_t bs_lock; /* lock for the structure */
-#else
- struct mutex bs_lock; /* lock for the structure */
-#endif
+ lck_mtx_t bs_lock; /* lock for the structure */
MACH_PORT_FACE bs_port; /* backing store port */
int bs_priority;
int bs_clsize; /* cluster size in pages */
#define BS_STAT(bs, clause) VSTATS_ACTION(&(bs)->bs_lock, (clause))
#ifdef MACH_KERNEL
-#define BS_LOCK_INIT(bs) mutex_init(&(bs)->bs_lock, ETAP_DPAGE_BS)
-#else
-#define BS_LOCK_INIT(bs) mutex_init(&(bs)->bs_lock)
-#endif
-#define BS_LOCK(bs) mutex_lock(&(bs)->bs_lock)
-#define BS_UNLOCK(bs) mutex_unlock(&(bs)->bs_lock)
+#define BS_LOCK_INIT(bs) lck_mtx_init(&(bs)->bs_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define BS_LOCK_DESTROY(bs) lck_mtx_destroy(&(bs)->bs_lock, &default_pager_lck_grp)
+#define BS_LOCK(bs) lck_mtx_lock(&(bs)->bs_lock)
+#define BS_UNLOCK(bs) lck_mtx_unlock(&(bs)->bs_lock)
struct backing_store_list_head {
queue_head_t bsl_queue;
-#ifdef MACH_KERNEL
- mutex_t bsl_lock;
-#else
- struct mutex bsl_lock;
+ lck_mtx_t bsl_lock;
#endif
};
extern struct backing_store_list_head backing_store_list;
extern int backing_store_release_trigger_disable;
-#ifdef MACH_KERNEL
-#define BSL_LOCK_INIT() mutex_init(&backing_store_list.bsl_lock, ETAP_DPAGE_BSL)
-#else
-#define BSL_LOCK_INIT() mutex_init(&backing_store_list.bsl_lock)
-#endif
-#define BSL_LOCK() mutex_lock(&backing_store_list.bsl_lock)
-#define BSL_UNLOCK() mutex_unlock(&backing_store_list.bsl_lock)
+#define BSL_LOCK_INIT() lck_mtx_init(&backing_store_list.bsl_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define BSL_LOCK_DESTROY() lck_mtx_destroy(&backing_store_list.bsl_lock, &default_pager_lck_grp)
+#define BSL_LOCK() lck_mtx_lock(&backing_store_list.bsl_lock)
+#define BSL_UNLOCK() lck_mtx_unlock(&backing_store_list.bsl_lock)
/*
* Paging segment management.
} storage_type;
unsigned int ps_segtype; /* file type or partition */
MACH_PORT_FACE ps_device; /* Port to device */
- vm_offset_t ps_offset; /* Offset of segment within device */
- vm_offset_t ps_recnum; /* Number of device records in segment*/
+ dp_offset_t ps_offset; /* Offset of segment within device */
+ dp_offset_t ps_recnum; /* Number of device records in segment*/
unsigned int ps_pgnum; /* Number of pages in segment */
unsigned int ps_record_shift;/* Bit shift: pages to device records */
unsigned int ps_ncls; /* Number of clusters in segment */
unsigned int ps_clcount; /* Number of free clusters */
unsigned int ps_pgcount; /* Number of free pages */
- long ps_hint; /* Hint of where to look next. */
+ unsigned int ps_hint; /* Hint of where to look next. */
+ unsigned int ps_special_clusters; /* Clusters that might come in while we've
+ * released the locks doing a ps_delete.
+ */
/* bitmap */
-#ifdef MACH_KERNEL
- mutex_t ps_lock; /* Lock for contents of struct */
-#else
- struct mutex ps_lock; /* Lock for contents of struct */
-#endif
+ lck_mtx_t ps_lock; /* Lock for contents of struct */
unsigned char *ps_bmap; /* Map of used clusters */
/* backing store */
backing_store_t ps_bs; /* Backing store segment belongs to */
-
- boolean_t ps_going_away; /* Destroy attempt in progress */
+#define PS_CAN_USE 0x1
+#define PS_GOING_AWAY 0x2
+#define PS_EMERGENCY_SEGMENT 0x4
+ unsigned int ps_state;
};
+#define IS_PS_OK_TO_USE(ps) ((ps->ps_state & PS_CAN_USE) == PS_CAN_USE)
+#define IS_PS_GOING_AWAY(ps) ((ps->ps_state & PS_GOING_AWAY) == PS_GOING_AWAY)
+#define IS_PS_EMERGENCY_SEGMENT(ps) ((ps->ps_state & PS_EMERGENCY_SEGMENT) == PS_EMERGENCY_SEGMENT)
+
#define ps_vnode storage_type.vnode
#define ps_device storage_type.dev
#define PS_PARTITION 1
#define PAGING_SEGMENT_NULL ((paging_segment_t) 0)
-#ifdef MACH_KERNEL
-#define PS_LOCK_INIT(ps) mutex_init(&(ps)->ps_lock, ETAP_DPAGE_SEGMENT)
-#else
-#define PS_LOCK_INIT(ps) mutex_init(&(ps)->ps_lock)
-#endif
-#define PS_LOCK(ps) mutex_lock(&(ps)->ps_lock)
-#define PS_UNLOCK(ps) mutex_unlock(&(ps)->ps_lock)
+#define PS_LOCK_INIT(ps) lck_mtx_init(&(ps)->ps_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define PS_LOCK_DESTROY(ps) lck_mtx_destroy(&(ps)->ps_lock, &default_pager_lck_grp)
+#define PS_LOCK(ps) lck_mtx_lock(&(ps)->ps_lock)
+#define PS_UNLOCK(ps) lck_mtx_unlock(&(ps)->ps_lock)
typedef unsigned int pseg_index_t;
#define INVALID_PSEG_INDEX ((pseg_index_t)-1)
-#define NULL_PSEG_INDEX ((pseg_index_t) 0)
+#define EMERGENCY_PSEG_INDEX ((pseg_index_t) 0)
/*
* MAX_PSEG_INDEX value is related to struct vs_map below.
* "0" is reserved for empty map entries (no segment).
/* paging segments array */
extern paging_segment_t paging_segments[MAX_NUM_PAGING_SEGMENTS];
-#ifdef MACH_KERNEL
-extern mutex_t paging_segments_lock;
-#else
-extern struct mutex paging_segments_lock;
-#endif
+extern lck_mtx_t paging_segments_lock;
extern int paging_segment_count; /* number of active paging segments */
extern int paging_segment_max; /* highest used paging segment index */
extern int ps_select_array[DEFAULT_PAGER_BACKING_STORE_MAXPRI+1];
-#ifdef MACH_KERNEL
-#define PSL_LOCK_INIT() mutex_init(&paging_segments_lock, ETAP_DPAGE_SEGLIST)
-#else
-#define PSL_LOCK_INIT() mutex_init(&paging_segments_lock)
-#endif
-#define PSL_LOCK() mutex_lock(&paging_segments_lock)
-#define PSL_UNLOCK() mutex_unlock(&paging_segments_lock)
+#define PSL_LOCK_INIT() lck_mtx_init(&paging_segments_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define PSL_LOCK_DESTROY() lck_mtx_destroy(&paging_segments_lock, &default_pager_lck_grp)
+#define PSL_LOCK() lck_mtx_lock(&paging_segments_lock)
+#define PSL_UNLOCK() lck_mtx_unlock(&paging_segments_lock)
/*
* Vstruct manipulation. The vstruct is the pager's internal
* Exported macros for manipulating the vs_map structure --
* checking status, getting and setting bits.
*/
-#define VSCLSIZE(vs) (1 << (vs)->vs_clshift)
+#define VSCLSIZE(vs) (1U << (vs)->vs_clshift)
#define VSM_ISCLR(vsm) (((vsm).vsmap_entry == VSM_ENTRY_NULL) && \
((vsm).vsmap_error == 0))
#define VSM_ISERR(vsm) ((vsm).vsmap_error)
* map vm objects to backing storage (paging files and clusters).
*/
#define CLMAP_THRESHOLD 512 /* bytes */
-#define CLMAP_ENTRIES (CLMAP_THRESHOLD/sizeof(struct vs_map))
-#define CLMAP_SIZE(ncls) (ncls*sizeof(struct vs_map))
+#define CLMAP_ENTRIES (CLMAP_THRESHOLD/(int)sizeof(struct vs_map))
+#define CLMAP_SIZE(ncls) (ncls*(int)sizeof(struct vs_map))
#define INDIRECT_CLMAP_ENTRIES(ncls) (((ncls-1)/CLMAP_ENTRIES) + 1)
-#define INDIRECT_CLMAP_SIZE(ncls) (INDIRECT_CLMAP_ENTRIES(ncls) * sizeof(struct vs_map *))
+#define INDIRECT_CLMAP_SIZE(ncls) (INDIRECT_CLMAP_ENTRIES(ncls) * (int)sizeof(struct vs_map *))
#define INDIRECT_CLMAP(size) (CLMAP_SIZE(size) > CLMAP_THRESHOLD)
#define RMAPSIZE(blocks) (howmany(blocks,NBBY))
(clm)->cl_alloc.clb_map >>= (VSCLSIZE(vs) - (clm)->cl_numpages)
typedef struct vstruct_alias {
- int *name;
+ memory_object_pager_ops_t name;
struct vstruct *vs;
} vstruct_alias_t;
-#ifdef MACH_KERNEL
-#define DPT_LOCK_INIT(lock) mutex_init(&(lock), ETAP_DPAGE_VSTRUCT)
-#define DPT_LOCK(lock) mutex_lock(&(lock))
-#define DPT_UNLOCK(lock) mutex_unlock(&(lock))
-#define DPT_SLEEP(lock, e, i) thread_sleep_mutex(&(lock), (event_t)(e), i)
-#define VS_LOCK_TYPE hw_lock_data_t
-#define VS_LOCK_INIT(vs) hw_lock_init(&(vs)->vs_lock)
-#define VS_TRY_LOCK(vs) (VS_LOCK(vs),TRUE)
-#define VS_LOCK(vs) hw_lock_lock(&(vs)->vs_lock)
-#define VS_UNLOCK(vs) hw_lock_unlock(&(vs)->vs_lock)
-#define VS_MAP_LOCK_TYPE mutex_t
-#define VS_MAP_LOCK_INIT(vs) mutex_init(&(vs)->vs_map_lock, ETAP_DPAGE_VSMAP)
-#define VS_MAP_LOCK(vs) mutex_lock(&(vs)->vs_map_lock)
-#define VS_MAP_TRY_LOCK(vs) mutex_try(&(vs)->vs_map_lock)
-#define VS_MAP_UNLOCK(vs) mutex_unlock(&(vs)->vs_map_lock)
-#else
-#define VS_LOCK_TYPE struct mutex
-#define VS_LOCK_INIT(vs) mutex_init(&(vs)->vs_lock, ETAP_DPAGE_VSTRUCT)
-#define VS_TRY_LOCK(vs) mutex_try(&(vs)->vs_lock)
-#define VS_LOCK(vs) mutex_lock(&(vs)->vs_lock)
-#define VS_UNLOCK(vs) mutex_unlock(&(vs)->vs_lock)
-#define VS_MAP_LOCK_TYPE struct mutex
-#define VS_MAP_LOCK_INIT(vs) mutex_init(&(vs)->vs_map_lock)
-#define VS_MAP_LOCK(vs) mutex_lock(&(vs)->vs_map_lock)
-#define VS_MAP_TRY_LOCK(vs) mutex_try(&(vs)->vs_map_lock)
-#define VS_MAP_UNLOCK(vs) mutex_unlock(&(vs)->vs_map_lock)
-#endif
+#define DPT_LOCK_INIT(lock) lck_mtx_init(&(lock), &default_pager_lck_grp, &default_pager_lck_attr)
+#define DPT_LOCK_DESTROY(lock) lck_mtx_destroy(&(lock), &default_pager_lck_grp)
+#define DPT_LOCK(lock) lck_mtx_lock(&(lock))
+#define DPT_UNLOCK(lock) lck_mtx_unlock(&(lock))
+#define DPT_SLEEP(lock, e, i) lck_mtx_sleep(&(lock), LCK_SLEEP_DEFAULT, (event_t)(e), i)
+#define VS_LOCK_TYPE hw_lock_data_t
+#define VS_LOCK_INIT(vs) hw_lock_init(&(vs)->vs_lock)
+#define VS_TRY_LOCK(vs) (VS_LOCK(vs),TRUE)
+#define VS_LOCK(vs) hw_lock_lock(&(vs)->vs_lock)
+#define VS_UNLOCK(vs) hw_lock_unlock(&(vs)->vs_lock)
+#define VS_MAP_LOCK_TYPE lck_mtx_t
+#define VS_MAP_LOCK_INIT(vs) lck_mtx_init(&(vs)->vs_map_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define VS_MAP_LOCK_DESTROY(vs) lck_mtx_destroy(&(vs)->vs_map_lock, &default_pager_lck_grp)
+#define VS_MAP_LOCK(vs) lck_mtx_lock(&(vs)->vs_map_lock)
+#define VS_MAP_TRY_LOCK(vs) lck_mtx_try_lock(&(vs)->vs_map_lock)
+#define VS_MAP_UNLOCK(vs) lck_mtx_unlock(&(vs)->vs_map_lock)
/*
* VM Object Structure: This is the structure used to manage
* default pager object associations with their control counter-
* parts (VM objects).
+ *
+ * The start of this structure MUST match a "struct memory_object".
*/
typedef struct vstruct {
- int *vs_mem_obj; /* our memory obj - temp */
- int vs_mem_obj_ikot;/* JMM:fake ip_kotype() */
+ struct ipc_object_header vs_pager_header; /* fake ip_kotype() */
+ memory_object_pager_ops_t vs_pager_ops; /* == &default_pager_ops */
memory_object_control_t vs_control; /* our mem obj control ref */
VS_LOCK_TYPE vs_lock; /* data for the lock */
unsigned int vs_readers; /* Reads in progress */
unsigned int vs_writers; /* Writes in progress */
-#ifdef MACH_KERNEL
- int
+ unsigned int
/* boolean_t */ vs_waiting_seqno:1, /* to wait on seqno */
/* boolean_t */ vs_waiting_read:1, /* waiting on reader? */
/* boolean_t */ vs_waiting_write:1, /* waiting on writer? */
/* boolean_t */ vs_waiting_async:1, /* waiting on async? */
/* boolean_t */ vs_indirect:1, /* map indirect? */
/* boolean_t */ vs_xfer_pending:1; /* xfer out of seg? */
-#else
- event_t vs_waiting_seqno;/* to wait on seqno */
- event_t vs_waiting_read; /* to wait on readers */
- event_t vs_waiting_write;/* to wait on writers */
- event_t vs_waiting_async;/* to wait on async_pending */
- int vs_indirect:1, /* Is the map indirect ? */
- vs_xfer_pending:1; /* xfering out of a seg ? */
-#endif
unsigned int vs_async_pending;/* pending async write count */
unsigned int vs_errors; /* Pageout error count */
queue_chain_t vs_links; /* Link in pager-wide list */
- int vs_clshift; /* Bit shift: clusters->pages */
- int vs_size; /* Object size in clusters */
-#ifdef MACH_KERNEL
- mutex_t vs_map_lock; /* to protect map below */
-#else
- struct mutex vs_map_lock; /* to protect map below */
-#endif
+ unsigned int vs_clshift; /* Bit shift: clusters->pages */
+ unsigned int vs_size; /* Object size in clusters */
+ lck_mtx_t vs_map_lock; /* to protect map below */
union {
struct vs_map *vsu_dmap; /* Direct map of clusters */
struct vs_map **vsu_imap; /* Indirect map of clusters */
__private_extern__ void vs_start_write(vstruct_t);
__private_extern__ void vs_finish_write(vstruct_t);
__private_extern__ void vs_wait_for_writers(vstruct_t);
+__private_extern__ void vs_wait_for_sync_writers(vstruct_t);
#else /* PARALLEL */
#define vs_lock(vs)
#define vs_unlock(vs)
paging_segment_t vsa_ps; /* the paging segment used */
int vsa_flags; /* flags */
int vsa_error; /* error, if there is one */
- mutex_t vsa_lock;
MACH_PORT_FACE reply_port; /* associated reply port */
};
*/
struct vstruct_list_head {
queue_head_t vsl_queue;
-#ifdef MACH_KERNEL
- mutex_t vsl_lock;
-#else
- struct mutex vsl_lock;
-#endif
+ lck_mtx_t vsl_lock;
int vsl_count; /* saves code */
};
-__private_extern__ struct vstruct_list_head vstruct_list;
+extern struct vstruct_list_head vstruct_list;
__private_extern__ void vstruct_list_insert(vstruct_t vs);
__private_extern__ void vstruct_list_delete(vstruct_t vs);
-#ifdef MACH_KERNEL
-#define VSL_LOCK_INIT() mutex_init(&vstruct_list.vsl_lock, ETAP_DPAGE_VSLIST)
-#else
-#define VSL_LOCK_INIT() mutex_init(&vstruct_list.vsl_lock)
-#endif
-#define VSL_LOCK() mutex_lock(&vstruct_list.vsl_lock)
-#define VSL_LOCK_TRY() mutex_try(&vstruct_list.vsl_lock)
-#define VSL_UNLOCK() mutex_unlock(&vstruct_list.vsl_lock)
-#define VSL_SLEEP(e,i) thread_sleep_mutex((e), &vstruct_list.vsl_lock, (i))
+extern lck_grp_t default_pager_lck_grp;
+extern lck_attr_t default_pager_lck_attr;
+
+#define VSL_LOCK_INIT() lck_mtx_init(&vstruct_list.vsl_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define VSL_LOCK_DESTROY() lck_mtx_destroy(&vstruct_list.vsl_lock, &default_pager_lck_grp)
+#define VSL_LOCK() lck_mtx_lock(&vstruct_list.vsl_lock)
+#define VSL_LOCK_TRY() lck_mtx_try_lock(&vstruct_list.vsl_lock)
+#define VSL_UNLOCK() lck_mtx_unlock(&vstruct_list.vsl_lock)
+#define VSL_SLEEP(e,i) lck_mtx_sleep(&vstruct_list.vsl_lock, LCK_SLEEP_DEFAULT, (e), (i))
#ifdef MACH_KERNEL
-__private_extern__ zone_t vstruct_zone;
+extern zone_t vstruct_zone;
#endif
/*
*/
#ifdef MACH_KERNEL
-#define ISVS ((int *)123456)
+extern const struct memory_object_pager_ops default_pager_ops;
+
#define mem_obj_is_vs(_mem_obj_) \
- (((_mem_obj_) != NULL) && ((_mem_obj_)->pager == ISVS))
+ (((_mem_obj_) != NULL) && \
+ ((_mem_obj_)->mo_pager_ops == &default_pager_ops))
#define mem_obj_to_vs(_mem_obj_) \
((vstruct_t)(_mem_obj_))
#define vs_to_mem_obj(_vs_) ((memory_object_t)(_vs_))
extern int local_log2(unsigned int);
extern void bs_initialize(void);
-extern void bs_global_info(vm_size_t *,
- vm_size_t *);
+extern void bs_global_info(uint64_t *,
+ uint64_t *);
extern boolean_t bs_add_device(char *,
MACH_PORT_FACE);
-extern vstruct_t ps_vstruct_create(vm_size_t);
+extern vstruct_t ps_vstruct_create(dp_size_t);
extern void ps_vstruct_dealloc(vstruct_t);
+extern kern_return_t ps_vstruct_reclaim(vstruct_t,
+ boolean_t,
+ boolean_t);
extern kern_return_t pvs_cluster_read(vstruct_t,
- vm_offset_t,
- vm_size_t);
+ dp_offset_t,
+ dp_size_t,
+ void *);
extern kern_return_t vs_cluster_write(vstruct_t,
upl_t,
- vm_offset_t,
- vm_size_t,
+ upl_offset_t,
+ upl_size_t,
boolean_t,
int);
-extern vm_offset_t ps_clmap(vstruct_t,
- vm_offset_t,
+extern dp_offset_t ps_clmap(vstruct_t,
+ dp_offset_t,
struct clmap *,
int,
- vm_size_t,
+ dp_size_t,
int);
extern vm_size_t ps_vstruct_allocated_size(vstruct_t);
-extern size_t ps_vstruct_allocated_pages(vstruct_t,
+extern unsigned int ps_vstruct_allocated_pages(vstruct_t,
default_pager_page_t *,
- size_t);
+ unsigned int);
extern boolean_t bs_set_default_clsize(unsigned int);
extern boolean_t verbose;
+extern thread_call_t default_pager_backing_store_monitor_callout;
+extern void default_pager_backing_store_monitor(thread_call_param_t, thread_call_param_t);
+
+extern ipc_port_t max_pages_trigger_port;
+extern unsigned int dp_pages_free;
+extern unsigned int maximum_pages_free;
+
+/* Do we know yet if swap files need to be encrypted ? */
+extern boolean_t dp_encryption_inited;
+/* Should we encrypt data before writing to swap ? */
+extern boolean_t dp_encryption;
+
+extern boolean_t dp_isssd;
+
#endif /* _DEFAULT_PAGER_INTERNAL_H_ */
projects / apple / xnu.git / blobdiff