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Diffstat (limited to 'include/acpi/platform/aclinuxex.h')
-rw-r--r--include/acpi/platform/aclinuxex.h94
1 files changed, 43 insertions, 51 deletions
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h
index efdff527f8fc..73265650f46b 100644
--- a/include/acpi/platform/aclinuxex.h
+++ b/include/acpi/platform/aclinuxex.h
@@ -1,45 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
*
* Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
*
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2017, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- * substantially similar to the "NO WARRANTY" disclaimer below
- * ("Disclaimer") and any redistribution must be conditioned upon
- * including a substantially similar Disclaimer requirement for further
- * binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- * of any contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
+ *****************************************************************************/
#ifndef __ACLINUXEX_H__
#define __ACLINUXEX_H__
@@ -80,28 +46,24 @@ acpi_status acpi_os_terminate(void);
* Interrupts are off during resume, just like they are for boot.
* However, boot has (system_state != SYSTEM_RUNNING)
* to quiet __might_sleep() in kmalloc() and resume does not.
+ *
+ * These specialized allocators have to be macros for their allocations to be
+ * accounted separately (to have separate alloc_tag).
*/
-static inline void *acpi_os_allocate(acpi_size size)
-{
- return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
+#define acpi_os_allocate(_size) \
+ kmalloc(_size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL)
-static inline void *acpi_os_allocate_zeroed(acpi_size size)
-{
- return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
+#define acpi_os_allocate_zeroed(_size) \
+ kzalloc(_size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL)
+
+#define acpi_os_acquire_object(_cache) \
+ kmem_cache_zalloc(_cache, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL)
static inline void acpi_os_free(void *memory)
{
kfree(memory);
}
-static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
-{
- return kmem_cache_zalloc(cache,
- irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
-
static inline acpi_thread_id acpi_os_get_thread_id(void)
{
return (acpi_thread_id) (unsigned long)current;
@@ -124,6 +86,36 @@ static inline acpi_thread_id acpi_os_get_thread_id(void)
lock ? AE_OK : AE_NO_MEMORY; \
})
+
+#define acpi_os_create_raw_lock(__handle) \
+ ({ \
+ raw_spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
+ if (lock) { \
+ *(__handle) = lock; \
+ raw_spin_lock_init(*(__handle)); \
+ } \
+ lock ? AE_OK : AE_NO_MEMORY; \
+ })
+
+static inline acpi_cpu_flags acpi_os_acquire_raw_lock(acpi_raw_spinlock lockp)
+{
+ acpi_cpu_flags flags;
+
+ raw_spin_lock_irqsave(lockp, flags);
+ return flags;
+}
+
+static inline void acpi_os_release_raw_lock(acpi_raw_spinlock lockp,
+ acpi_cpu_flags flags)
+{
+ raw_spin_unlock_irqrestore(lockp, flags);
+}
+
+static inline void acpi_os_delete_raw_lock(acpi_raw_spinlock handle)
+{
+ ACPI_FREE(handle);
+}
+
static inline u8 acpi_os_readable(void *pointer, acpi_size length)
{
return TRUE;