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-rw-r--r--drivers/gpu/mali400/r3p2/mali/common/mali_session.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/common/mali_session.h b/drivers/gpu/mali400/r3p2/mali/common/mali_session.h
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index 0000000..5c34dde
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+++ b/drivers/gpu/mali400/r3p2/mali/common/mali_session.h
@@ -0,0 +1,72 @@
+/*
+ * 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 __MALI_SESSION_H__
+#define __MALI_SESSION_H__
+
+#include "mali_mmu_page_directory.h"
+#include "mali_kernel_descriptor_mapping.h"
+#include "mali_osk.h"
+#include "mali_osk_list.h"
+
+struct mali_session_data
+{
+ _mali_osk_notification_queue_t * ioctl_queue;
+
+#ifdef CONFIG_SYNC
+ _mali_osk_list_t pending_jobs;
+ _mali_osk_lock_t *pending_jobs_lock;
+#endif
+
+ _mali_osk_lock_t *memory_lock; /**< Lock protecting the vm manipulation */
+ mali_descriptor_mapping * descriptor_mapping; /**< Mapping between userspace descriptors and our pointers */
+ _mali_osk_list_t memory_head; /**< Track all the memory allocated in this session, for freeing on abnormal termination */
+
+ struct mali_page_directory *page_directory; /**< MMU page directory for this session */
+
+ _MALI_OSK_LIST_HEAD(link); /**< Link for list of all sessions */
+
+ _MALI_OSK_LIST_HEAD(job_list); /**< List of all jobs on this session */
+};
+
+_mali_osk_errcode_t mali_session_initialize(void);
+void mali_session_terminate(void);
+
+/* List of all sessions. Actual list head in mali_kernel_core.c */
+extern _mali_osk_list_t mali_sessions;
+/* Lock to protect modification and access to the mali_sessions list */
+extern _mali_osk_lock_t *mali_sessions_lock;
+
+MALI_STATIC_INLINE void mali_session_lock(void)
+{
+ _mali_osk_lock_wait(mali_sessions_lock, _MALI_OSK_LOCKMODE_RW);
+}
+
+MALI_STATIC_INLINE void mali_session_unlock(void)
+{
+ _mali_osk_lock_signal(mali_sessions_lock, _MALI_OSK_LOCKMODE_RW);
+}
+
+void mali_session_add(struct mali_session_data *session);
+void mali_session_remove(struct mali_session_data *session);
+#define MALI_SESSION_FOREACH(session, tmp, link) \
+ _MALI_OSK_LIST_FOREACHENTRY(session, tmp, &mali_sessions, struct mali_session_data, link)
+
+MALI_STATIC_INLINE struct mali_page_directory *mali_session_get_page_directory(struct mali_session_data *session)
+{
+ return session->page_directory;
+}
+
+MALI_STATIC_INLINE void mali_session_send_notification(struct mali_session_data *session, _mali_osk_notification_t *object)
+{
+ _mali_osk_notification_queue_send(session->ioctl_queue, object);
+}
+
+#endif /* __MALI_SESSION_H__ */