diff options
Diffstat (limited to 'drivers/gpu/mali400/r3p2/mali/common/mali_session.h')
-rw-r--r-- | drivers/gpu/mali400/r3p2/mali/common/mali_session.h | 72 |
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 new file mode 100644 index 0000000..5c34dde --- /dev/null +++ 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__ */ |