[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/acpi/acpica/utcache.c b/src/kernel/linux/v4.19/drivers/acpi/acpica/utcache.c
new file mode 100644
index 0000000..97d6ec1
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/acpi/acpica/utcache.c
@@ -0,0 +1,279 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ * Copyright (C) 2000 - 2018, Intel Corp.
+ *
+ *****************************************************************************/
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utcache")
+
+#ifdef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_create_cache
+ *
+ * PARAMETERS: cache_name - Ascii name for the cache
+ * object_size - Size of each cached object
+ * max_depth - Maximum depth of the cache (in objects)
+ * return_cache - Where the new cache object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_create_cache(char *cache_name,
+ u16 object_size,
+ u16 max_depth, struct acpi_memory_list **return_cache)
+{
+ struct acpi_memory_list *cache;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache_name || !return_cache || !object_size) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Create the cache object */
+
+ cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
+ if (!cache) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Populate the cache object and return it */
+
+ memset(cache, 0, sizeof(struct acpi_memory_list));
+ cache->list_name = cache_name;
+ cache->object_size = object_size;
+ cache->max_depth = max_depth;
+
+ *return_cache = cache;
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_purge_cache
+ *
+ * PARAMETERS: cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_purge_cache(struct acpi_memory_list *cache)
+{
+ void *next;
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Walk the list of objects in this cache */
+
+ while (cache->list_head) {
+
+ /* Delete and unlink one cached state object */
+
+ next = ACPI_GET_DESCRIPTOR_PTR(cache->list_head);
+ ACPI_FREE(cache->list_head);
+
+ cache->list_head = next;
+ cache->current_depth--;
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_delete_cache
+ *
+ * PARAMETERS: cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ * cache object.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_delete_cache(struct acpi_memory_list *cache)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Purge all objects in the cache */
+
+ status = acpi_os_purge_cache(cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Now we can delete the cache object */
+
+ acpi_os_free(cache);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_release_object
+ *
+ * PARAMETERS: cache - Handle to cache object
+ * object - The object to be released
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Release an object to the specified cache. If cache is full,
+ * the object is deleted.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_release_object(struct acpi_memory_list *cache, void *object)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache || !object) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* If cache is full, just free this object */
+
+ if (cache->current_depth >= cache->max_depth) {
+ ACPI_FREE(object);
+ ACPI_MEM_TRACKING(cache->total_freed++);
+ }
+
+ /* Otherwise put this object back into the cache */
+
+ else {
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Mark the object as cached */
+
+ memset(object, 0xCA, cache->object_size);
+ ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_CACHED);
+
+ /* Put the object at the head of the cache list */
+
+ ACPI_SET_DESCRIPTOR_PTR(object, cache->list_head);
+ cache->list_head = object;
+ cache->current_depth++;
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_acquire_object
+ *
+ * PARAMETERS: cache - Handle to cache object
+ *
+ * RETURN: the acquired object. NULL on error
+ *
+ * DESCRIPTION: Get an object from the specified cache. If cache is empty,
+ * the object is allocated.
+ *
+ ******************************************************************************/
+
+void *acpi_os_acquire_object(struct acpi_memory_list *cache)
+{
+ acpi_status status;
+ void *object;
+
+ ACPI_FUNCTION_TRACE(os_acquire_object);
+
+ if (!cache) {
+ return_PTR(NULL);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return_PTR(NULL);
+ }
+
+ ACPI_MEM_TRACKING(cache->requests++);
+
+ /* Check the cache first */
+
+ if (cache->list_head) {
+
+ /* There is an object available, use it */
+
+ object = cache->list_head;
+ cache->list_head = ACPI_GET_DESCRIPTOR_PTR(object);
+
+ cache->current_depth--;
+
+ ACPI_MEM_TRACKING(cache->hits++);
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
+ "%s: Object %p from %s cache\n",
+ ACPI_GET_FUNCTION_NAME, object,
+ cache->list_name));
+
+ status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return_PTR(NULL);
+ }
+
+ /* Clear (zero) the previously used Object */
+
+ memset(object, 0, cache->object_size);
+ } else {
+ /* The cache is empty, create a new object */
+
+ ACPI_MEM_TRACKING(cache->total_allocated++);
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+ if ((cache->total_allocated - cache->total_freed) >
+ cache->max_occupied) {
+ cache->max_occupied =
+ cache->total_allocated - cache->total_freed;
+ }
+#endif
+
+ /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
+
+ status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return_PTR(NULL);
+ }
+
+ object = ACPI_ALLOCATE_ZEROED(cache->object_size);
+ if (!object) {
+ return_PTR(NULL);
+ }
+ }
+
+ return_PTR(object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */