-/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=4:tabstop=4:
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
*
+ * GPL HEADER START
*
- * Copyright (c) 2004 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is free software; you can redistribute it and/or modify it under
- * the terms of version 2 of the GNU General Public License as published by
- * the Free Software Foundation. Lustre is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details. You should have received a
- * copy of the GNU General Public License along with Lustre; if not, write
- * to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
- * USA.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#define DEBUG_SUBSYSTEM S_LNET
#include <libcfs/libcfs.h>
-#include <libcfs/kp30.h>
/*
* Return Value:
* void: N/A
*
- * Notes:
+ * Notes:
* N/A
*/
void * context
)
{
- cfs_thread_context_t * thread_context =
+ cfs_thread_context_t * thread_context =
(cfs_thread_context_t *) context;
/* Execute the specified function ... */
}
/* Free the context memory */
-
+
cfs_free(context);
/* Terminate this system thread */
* Return Value:
* int: 0 on success or error codes
*
- * Notes:
+ * Notes:
* N/A
*/
*/
-static CFS_DECL_RWSEM(cfs_symbol_lock);
+static CFS_DECLARE_RWSEM(cfs_symbol_lock);
CFS_LIST_HEAD(cfs_symbol_list);
-int MPSystem = FALSE;
+int libcfs_is_mp_system = FALSE;
/*
* cfs_symbol_get
* If the symbol is in the table, return the address of it.
* If not, return NULL.
*
- * Notes:
+ * Notes:
* N/A
*/
void *
cfs_symbol_get(const char *name)
{
- struct list_head *walker;
- struct cfs_symbol *sym = NULL;
+ cfs_list_t *walker;
+ struct cfs_symbol *sym = NULL;
- down_read(&cfs_symbol_lock);
- list_for_each(walker, &cfs_symbol_list) {
- sym = list_entry (walker, struct cfs_symbol, sym_list);
+ cfs_down_read(&cfs_symbol_lock);
+ cfs_list_for_each(walker, &cfs_symbol_list) {
+ sym = cfs_list_entry (walker, struct cfs_symbol, sym_list);
if (!strcmp(sym->name, name)) {
sym->ref ++;
break;
- }
- }
- up_read(&cfs_symbol_lock);
+ }
+ }
+ cfs_up_read(&cfs_symbol_lock);
- if (sym != NULL)
+ if (sym != NULL)
return sym->value;
return NULL;
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* N/A
*/
void
cfs_symbol_put(const char *name)
{
- struct list_head *walker;
- struct cfs_symbol *sym = NULL;
+ cfs_list_t *walker;
+ struct cfs_symbol *sym = NULL;
- down_read(&cfs_symbol_lock);
- list_for_each(walker, &cfs_symbol_list) {
- sym = list_entry (walker, struct cfs_symbol, sym_list);
+ cfs_down_read(&cfs_symbol_lock);
+ cfs_list_for_each(walker, &cfs_symbol_list) {
+ sym = cfs_list_entry (walker, struct cfs_symbol, sym_list);
if (!strcmp(sym->name, name)) {
LASSERT(sym->ref > 0);
sym->ref--;
break;
- }
- }
- up_read(&cfs_symbol_lock);
+ }
+ }
+ cfs_up_read(&cfs_symbol_lock);
LASSERT(sym != NULL);
}
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* Zero: Succeed to register
* Non-Zero: Fail to register the symbol
*/
int
cfs_symbol_register(const char *name, const void *value)
{
- struct list_head *walker;
- struct cfs_symbol *sym = NULL;
- struct cfs_symbol *new = NULL;
+ cfs_list_t *walker;
+ struct cfs_symbol *sym = NULL;
+ struct cfs_symbol *new = NULL;
new = cfs_alloc(sizeof(struct cfs_symbol), CFS_ALLOC_ZERO);
if (!new) {
new->ref = 0;
CFS_INIT_LIST_HEAD(&new->sym_list);
- down_write(&cfs_symbol_lock);
- list_for_each(walker, &cfs_symbol_list) {
- sym = list_entry (walker, struct cfs_symbol, sym_list);
+ cfs_down_write(&cfs_symbol_lock);
+ cfs_list_for_each(walker, &cfs_symbol_list) {
+ sym = cfs_list_entry (walker, struct cfs_symbol, sym_list);
if (!strcmp(sym->name, name)) {
- up_write(&cfs_symbol_lock);
+ cfs_up_write(&cfs_symbol_lock);
cfs_free(new);
return 0; // alreay registerred
}
}
- list_add_tail(&new->sym_list, &cfs_symbol_list);
- up_write(&cfs_symbol_lock);
+ cfs_list_add_tail(&new->sym_list, &cfs_symbol_list);
+ cfs_up_write(&cfs_symbol_lock);
return 0;
}
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* N/A
*/
void
cfs_symbol_unregister(const char *name)
{
- struct list_head *walker;
- struct list_head *nxt;
- struct cfs_symbol *sym = NULL;
+ cfs_list_t *walker;
+ cfs_list_t *nxt;
+ struct cfs_symbol *sym = NULL;
- down_write(&cfs_symbol_lock);
- list_for_each_safe(walker, nxt, &cfs_symbol_list) {
- sym = list_entry (walker, struct cfs_symbol, sym_list);
+ cfs_down_write(&cfs_symbol_lock);
+ cfs_list_for_each_safe(walker, nxt, &cfs_symbol_list) {
+ sym = cfs_list_entry (walker, struct cfs_symbol, sym_list);
if (!strcmp(sym->name, name)) {
LASSERT(sym->ref == 0);
- list_del (&sym->sym_list);
+ cfs_list_del (&sym->sym_list);
cfs_free(sym);
break;
}
}
- up_write(&cfs_symbol_lock);
+ cfs_up_write(&cfs_symbol_lock);
}
/*
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* N/A
*/
void
cfs_symbol_clean()
{
- struct list_head *walker;
+ cfs_list_t *walker;
struct cfs_symbol *sym = NULL;
- down_write(&cfs_symbol_lock);
- list_for_each(walker, &cfs_symbol_list) {
- sym = list_entry (walker, struct cfs_symbol, sym_list);
+ cfs_down_write(&cfs_symbol_lock);
+ cfs_list_for_each(walker, &cfs_symbol_list) {
+ sym = cfs_list_entry (walker, struct cfs_symbol, sym_list);
LASSERT(sym->ref == 0);
- list_del (&sym->sym_list);
+ cfs_list_del (&sym->sym_list);
cfs_free(sym);
}
- up_write(&cfs_symbol_lock);
+ cfs_up_write(&cfs_symbol_lock);
return;
}
/* Timer dpc procedure */
-
+
static void
cfs_timer_dpc_proc (
IN PKDPC Dpc,
KeReleaseSpinLock(&(timer->Lock), Irql);
/* call the user specified timer procedure */
- timer->proc((unsigned long)(timer->arg));
+ timer->proc((long_ptr_t)timer->arg);
+}
+
+void cfs_init_timer(cfs_timer_t *timer)
+{
+ memset(timer, 0, sizeof(cfs_timer_t));
}
/*
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* N/A
*/
-void cfs_timer_init(cfs_timer_t *timer, void (*func)(unsigned long), void *arg)
+void cfs_timer_init(cfs_timer_t *timer, void (*func)(ulong_ptr_t), void *arg)
{
memset(timer, 0, sizeof(cfs_timer_t));
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* N/A
*/
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* N/A
*/
KeAcquireSpinLock(&(timer->Lock), &Irql);
if (!cfs_is_flag_set(timer->Flags, CFS_TIMER_FLAG_TIMERED)){
- timeout.QuadPart = (LONGLONG)-1*1000*1000*10/HZ*deadline;
+ timeout.QuadPart = (LONGLONG)-1*1000*1000*10/CFS_HZ*deadline;
- if (KeSetTimer(&timer->Timer, timeout, &timer->Dpc )) {
+ if (KeSetTimer(&timer->Timer, timeout, &timer->Dpc)) {
cfs_set_flag(timer->Flags, CFS_TIMER_FLAG_TIMERED);
}
* Return Value:
* N/A
*
- * Notes:
+ * Notes:
* N/A
*/
* 1: if it's armed.
* 0: if it's not.
*
- * Notes:
+ * Notes:
* N/A
*/
* Return Value:
* the deadline value
*
- * Notes:
+ * Notes:
* N/A
*/
return;
}
+int cfs_daemonize_ctxt(char *str) {
+ cfs_daemonize(str);
+ return 0;
+}
+
/*
* routine related with sigals
*/
return;
}
+/*
+ * thread cpu affinity routines
+ */
+
+typedef struct _THREAD_BASIC_INFORMATION {
+ NTSTATUS ExitStatus;
+ PVOID TebBaseAddress;
+ CLIENT_ID ClientId;
+ ULONG_PTR AffinityMask;
+ KPRIORITY Priority;
+ LONG BasePriority;
+} THREAD_BASIC_INFORMATION;
+
+typedef THREAD_BASIC_INFORMATION *PTHREAD_BASIC_INFORMATION;
+
+#define THREAD_QUERY_INFORMATION (0x0040)
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+ZwOpenThread (
+ __out PHANDLE ThreadHandle,
+ __in ACCESS_MASK DesiredAccess,
+ __in POBJECT_ATTRIBUTES ObjectAttributes,
+ __in_opt PCLIENT_ID ClientId
+ );
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+ZwQueryInformationThread (
+ __in HANDLE ThreadHandle,
+ __in THREADINFOCLASS ThreadInformationClass,
+ __out_bcount(ThreadInformationLength) PVOID ThreadInformation,
+ __in ULONG ThreadInformationLength,
+ __out_opt PULONG ReturnLength
+ );
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+ZwSetInformationThread (
+ __in HANDLE ThreadHandle,
+ __in THREADINFOCLASS ThreadInformationClass,
+ __in_bcount(ThreadInformationLength) PVOID ThreadInformation,
+ __in ULONG ThreadInformationLength
+ );
+
+HANDLE
+cfs_open_current_thread()
+{
+ NTSTATUS status;
+ HANDLE handle = NULL;
+ OBJECT_ATTRIBUTES oa;
+ CLIENT_ID cid;
+
+ /* initialize object attributes */
+ InitializeObjectAttributes( &oa, NULL, OBJ_KERNEL_HANDLE |
+ OBJ_CASE_INSENSITIVE, NULL, NULL);
+
+ /* initialize client id */
+ cid.UniqueProcess = PsGetCurrentProcessId();
+ cid.UniqueThread = PsGetCurrentThreadId();
+
+ /* get thread handle */
+ status = ZwOpenThread( &handle, THREAD_QUERY_INFORMATION |
+ THREAD_SET_INFORMATION, &oa, &cid);
+ if (!NT_SUCCESS(status)) {
+ handle = NULL;
+ }
+
+ return handle;
+}
+
+void
+cfs_close_thread_handle(HANDLE handle)
+{
+ if (handle)
+ ZwClose(handle);
+}
+
+KAFFINITY
+cfs_query_thread_affinity()
+{
+ NTSTATUS status;
+ HANDLE handle = NULL;
+ DWORD size;
+ THREAD_BASIC_INFORMATION TBI = {0};
+
+ /* open current thread */
+ handle = cfs_open_current_thread();
+ if (!handle) {
+ goto errorout;
+ }
+
+ /* query thread cpu affinity */
+ status = ZwQueryInformationThread(handle, ThreadBasicInformation,
+ &TBI, sizeof(THREAD_BASIC_INFORMATION), &size);
+ if (!NT_SUCCESS(status)) {
+ goto errorout;
+ }
+
+errorout:
+
+ cfs_close_thread_handle(handle);
+ return TBI.AffinityMask;
+}
+
+int
+cfs_set_thread_affinity(KAFFINITY affinity)
+{
+ NTSTATUS status;
+ HANDLE handle = NULL;
+
+ /* open current thread */
+ handle = cfs_open_current_thread();
+ if (!handle) {
+ goto errorout;
+ }
+
+ /* set thread cpu affinity */
+ status = ZwSetInformationThread(handle, ThreadAffinityMask,
+ &affinity, sizeof(KAFFINITY));
+ if (!NT_SUCCESS(status)) {
+ goto errorout;
+ }
+
+errorout:
+
+ cfs_close_thread_handle(handle);
+ return NT_SUCCESS(status);
+}
+
+int
+cfs_tie_thread_to_cpu(int cpu)
+{
+ return cfs_set_thread_affinity((KAFFINITY) (1 << cpu));
+}
+
+int
+cfs_set_thread_priority(KPRIORITY priority)
+{
+ NTSTATUS status;
+ HANDLE handle = NULL;
+
+ /* open current thread */
+ handle = cfs_open_current_thread();
+ if (!handle) {
+ goto errorout;
+ }
+
+ /* set thread cpu affinity */
+ status = ZwSetInformationThread(handle, ThreadPriority,
+ &priority, sizeof(KPRIORITY));
+ if (!NT_SUCCESS(status)) {
+ KdPrint(("set_thread_priority failed: %xh\n", status));
+ goto errorout;
+ }
+
+errorout:
+
+ cfs_close_thread_handle(handle);
+ return NT_SUCCESS(status);
+}
+
+int cfs_need_resched(void)
+{
+ return 0;
+}
+
+void cfs_cond_resched(void)
+{
+}
+
/**
- ** Initialize routines
+ ** Initialize routines
**/
+void cfs_libc_init();
+
int
libcfs_arch_init(void)
-{
+{
int rc;
- spinlock_t lock;
+ cfs_spinlock_t lock;
/* Workground to check the system is MP build or UP build */
- spin_lock_init(&lock);
- spin_lock(&lock);
- MPSystem = (int)lock.lock;
+ cfs_spin_lock_init(&lock);
+ cfs_spin_lock(&lock);
+ libcfs_is_mp_system = (int)lock.lock;
/* MP build system: it's a real spin, for UP build system, it
only raises the IRQL to DISPATCH_LEVEL */
- spin_unlock(&lock);
+ cfs_spin_unlock(&lock);
+
+ /* initialize libc routines (confliction between libcnptr.lib
+ and kernel ntoskrnl.lib) */
+ cfs_libc_init();
/* create slab memory caches for page alloctors */
cfs_page_t_slab = cfs_mem_cache_create(
cfs_page_p_slab == NULL ){
rc = -ENOMEM;
goto errorout;
- }
+ }
rc = init_task_manager();
-
if (rc != 0) {
cfs_enter_debugger();
KdPrint(("winnt-prim.c:libcfs_arch_init: error initializing task manager ...\n"));
/* initialize the proc file system */
rc = proc_init_fs();
-
if (rc != 0) {
cfs_enter_debugger();
KdPrint(("winnt-prim.c:libcfs_arch_init: error initializing proc fs ...\n"));
/* initialize the tdi data */
rc = ks_init_tdi_data();
-
if (rc != 0) {
cfs_enter_debugger();
- KdPrint(("winnt-prim.c:libcfs_arch_init: error initializing tdi ...\n"));
+ KdPrint(("winnt-prim.c:libcfs_arch_init: failed to initialize tdi.\n"));
proc_destroy_fs();
cleanup_task_manager();
goto errorout;
}
+ rc = start_shrinker_timer();
+
errorout:
if (rc != 0) {
void
libcfs_arch_cleanup(void)
{
+ /* stop shrinker timer */
+ stop_shrinker_timer();
+
/* finialize the tdi data */
ks_fini_tdi_data();
/* detroy the whole proc fs tree and nodes */
proc_destroy_fs();
+ /* cleanup context of task manager */
+ cleanup_task_manager();
+
/* destroy the taskslot cache slab */
if (cfs_page_t_slab) {
cfs_mem_cache_destroy(cfs_page_t_slab);
cfs_mem_cache_destroy(cfs_page_p_slab);
}
- return;
+ return;
}
EXPORT_SYMBOL(libcfs_arch_init);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff