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-rw-r--r--drivers/gpu/mali400/r3p2/ump/common/ump_kernel_common.h128
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/ump/common/ump_kernel_common.h b/drivers/gpu/mali400/r3p2/ump/common/ump_kernel_common.h
new file mode 100644
index 0000000..6e3a2e9
--- /dev/null
+++ b/drivers/gpu/mali400/r3p2/ump/common/ump_kernel_common.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2010-2012 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __UMP_KERNEL_COMMON_H__
+#define __UMP_KERNEL_COMMON_H__
+
+#include "ump_kernel_types.h"
+#include "ump_kernel_interface.h"
+#include "ump_kernel_descriptor_mapping.h"
+#include "ump_kernel_memory_backend.h"
+
+
+#ifdef DEBUG
+ extern int ump_debug_level;
+ #define UMP_DEBUG_PRINT(args) _mali_osk_dbgmsg args
+ #define UMP_DEBUG_CODE(args) args
+ #define DBG_MSG(level,args) do { /* args should be in brackets */ \
+ ((level) <= ump_debug_level)?\
+ UMP_DEBUG_PRINT(("UMP<" #level ">: ")), \
+ UMP_DEBUG_PRINT(args):0; \
+ } while (0)
+
+ #define DBG_MSG_IF(level,condition,args) /* args should be in brackets */ \
+ if((condition)&&((level) <= ump_debug_level)) {\
+ UMP_DEBUG_PRINT(("UMP<" #level ">: ")); \
+ UMP_DEBUG_PRINT(args); \
+ }
+
+ #define DBG_MSG_ELSE(level,args) /* args should be in brackets */ \
+ else if((level) <= ump_debug_level) { \
+ UMP_DEBUG_PRINT(("UMP<" #level ">: ")); \
+ UMP_DEBUG_PRINT(args); \
+ }
+
+ #define DEBUG_ASSERT_POINTER(pointer) do {if( (pointer)== NULL) MSG_ERR(("NULL pointer " #pointer)); } while(0)
+ #define DEBUG_ASSERT(condition) do {if(!(condition)) MSG_ERR(("ASSERT failed: " #condition)); } while(0)
+#else /* DEBUG */
+ #define UMP_DEBUG_PRINT(args) do {} while(0)
+ #define UMP_DEBUG_CODE(args)
+ #define DBG_MSG(level,args) do {} while(0)
+ #define DBG_MSG_IF(level,condition,args) do {} while(0)
+ #define DBG_MSG_ELSE(level,args) do {} while(0)
+ #define DEBUG_ASSERT(condition) do {} while(0)
+ #define DEBUG_ASSERT_POINTER(pointer) do {} while(0)
+#endif /* DEBUG */
+
+#define MSG_ERR(args) do{ /* args should be in brackets */ \
+ _mali_osk_dbgmsg("UMP: ERR: %s\n" ,__FILE__); \
+ _mali_osk_dbgmsg( " %s()%4d\n", __FUNCTION__, __LINE__) ; \
+ _mali_osk_dbgmsg args ; \
+ _mali_osk_dbgmsg("\n"); \
+ } while(0)
+
+#define MSG(args) do{ /* args should be in brackets */ \
+ _mali_osk_dbgmsg("UMP: "); \
+ _mali_osk_dbgmsg args; \
+ } while (0)
+
+
+
+/*
+ * This struct is used to store per session data.
+ * A session is created when someone open() the device, and
+ * closed when someone close() it or the user space application terminates.
+ */
+typedef struct ump_session_data
+{
+ _mali_osk_list_t list_head_session_memory_list; /**< List of ump allocations made by the process (elements are ump_session_memory_list_element) */
+ _mali_osk_list_t list_head_session_memory_mappings_list; /**< List of ump_memory_allocations mapped in */
+ int api_version;
+ _mali_osk_lock_t * lock;
+ ump_descriptor_mapping * cookies_map; /**< Secure mapping of cookies from _ump_ukk_map_mem() */
+ int cache_operations_ongoing;
+ int has_pending_level1_cache_flush;
+} ump_session_data;
+
+
+
+/*
+ * This struct is used to track the UMP memory references a session has.
+ * We need to track this in order to be able to clean up after user space processes
+ * which don't do it themself (e.g. due to a crash or premature termination).
+ */
+typedef struct ump_session_memory_list_element
+{
+ struct ump_dd_mem * mem;
+ _mali_osk_list_t list;
+} ump_session_memory_list_element;
+
+
+
+/*
+ * Device specific data, created when device driver is loaded, and then kept as the global variable device.
+ */
+typedef struct ump_dev
+{
+ _mali_osk_lock_t * secure_id_map_lock;
+ ump_descriptor_mapping * secure_id_map;
+ ump_memory_backend * backend;
+} ump_dev;
+
+
+
+extern int ump_debug_level;
+extern struct ump_dev device;
+
+_mali_osk_errcode_t ump_kernel_constructor(void);
+void ump_kernel_destructor(void);
+int map_errcode( _mali_osk_errcode_t err );
+
+/**
+ * variables from user space cannot be dereferenced from kernel space; tagging them
+ * with __user allows the GCC compiler to generate a warning. Other compilers may
+ * not support this so we define it here as an empty macro if the compiler doesn't
+ * define it.
+ */
+#ifndef __user
+#define __user
+#endif
+
+#endif /* __UMP_KERNEL_COMMON_H__ */