2 * This confidential and proprietary software may be used only as
3 * authorised by a licensing agreement from ARM Limited
4 * (C) COPYRIGHT 2008-2013 ARM Limited
6 * The entire notice above must be reproduced on all authorised
7 * copies and copies may only be made to the extent permitted
8 * by a licensing agreement from ARM Limited.
11 #ifndef __MALI_SESSION_H__
12 #define __MALI_SESSION_H__
14 #include "mali_mmu_page_directory.h"
15 #include "mali_kernel_descriptor_mapping.h"
17 #include "mali_osk_list.h"
19 struct mali_timeline_system;
20 struct mali_soft_system;
22 /* Number of frame builder job lists per session. */
23 #define MALI_PP_JOB_FB_LOOKUP_LIST_SIZE 16
24 #define MALI_PP_JOB_FB_LOOKUP_LIST_MASK (MALI_PP_JOB_FB_LOOKUP_LIST_SIZE - 1)
26 struct mali_session_data {
27 _mali_osk_notification_queue_t * ioctl_queue;
29 _mali_osk_mutex_t *memory_lock; /**< Lock protecting the vm manipulation */
30 mali_descriptor_mapping * descriptor_mapping; /**< Mapping between userspace descriptors and our pointers */
31 _mali_osk_list_t memory_head; /**< Track all the memory allocated in this session, for freeing on abnormal termination */
33 struct mali_page_directory *page_directory; /**< MMU page directory for this session */
35 _MALI_OSK_LIST_HEAD(link); /**< Link for list of all sessions */
36 _MALI_OSK_LIST_HEAD(pp_job_list); /**< List of all PP jobs on this session */
38 #if defined(CONFIG_MALI400_POWER_PERFORMANCE_POLICY)
39 _mali_osk_atomic_t number_of_window_jobs; /**< Record the window jobs completed on this session in a period */
42 _mali_osk_list_t pp_job_fb_lookup_list[MALI_PP_JOB_FB_LOOKUP_LIST_SIZE]; /**< List of PP job lists per frame builder id. Used to link jobs from same frame builder. */
44 struct mali_soft_job_system *soft_job_system; /**< Soft job system for this session. */
45 struct mali_timeline_system *timeline_system; /**< Timeline system for this session. */
47 mali_bool is_aborting; /**< MALI_TRUE if the session is aborting, MALI_FALSE if not. */
48 mali_bool use_high_priority_job_queue; /**< If MALI_TRUE, jobs added from this session will use the high priority job queues. */
51 _mali_osk_errcode_t mali_session_initialize(void);
52 void mali_session_terminate(void);
54 /* List of all sessions. Actual list head in mali_kernel_core.c */
55 extern _mali_osk_list_t mali_sessions;
56 /* Lock to protect modification and access to the mali_sessions list */
57 extern _mali_osk_spinlock_irq_t *mali_sessions_lock;
59 MALI_STATIC_INLINE void mali_session_lock(void)
61 _mali_osk_spinlock_irq_lock(mali_sessions_lock);
64 MALI_STATIC_INLINE void mali_session_unlock(void)
66 _mali_osk_spinlock_irq_unlock(mali_sessions_lock);
69 void mali_session_add(struct mali_session_data *session);
70 void mali_session_remove(struct mali_session_data *session);
71 u32 mali_session_get_count(void);
73 #define MALI_SESSION_FOREACH(session, tmp, link) \
74 _MALI_OSK_LIST_FOREACHENTRY(session, tmp, &mali_sessions, struct mali_session_data, link)
76 MALI_STATIC_INLINE struct mali_page_directory *mali_session_get_page_directory(struct mali_session_data *session)
78 return session->page_directory;
81 MALI_STATIC_INLINE void mali_session_send_notification(struct mali_session_data *session, _mali_osk_notification_t *object)
83 _mali_osk_notification_queue_send(session->ioctl_queue, object);
87 * Get the max completed window jobs from all active session,
88 * which will be used in window render frame per sec calculate
90 #if defined(CONFIG_MALI400_POWER_PERFORMANCE_POLICY)
91 u32 mali_session_max_window_num(void);
94 #endif /* __MALI_SESSION_H__ */