/* * * (C) COPYRIGHT 2011-2015 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. * */ /** * @file mali_kbase_defs.h * * Defintions (types, defines, etcs) common to Kbase. They are placed here to * allow the hierarchy of header files to work. */ #ifndef _KBASE_DEFS_H_ #define _KBASE_DEFS_H_ #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_MALI_FPGA_BUS_LOGGER #include #endif #ifdef CONFIG_KDS #include #endif /* CONFIG_KDS */ #ifdef CONFIG_SYNC #include "sync.h" #endif /* CONFIG_SYNC */ #ifdef CONFIG_DEBUG_FS #include #endif /* CONFIG_DEBUG_FS */ #ifdef CONFIG_PM_DEVFREQ #include #endif /* CONFIG_DEVFREQ */ #include #include #if defined(CONFIG_PM_RUNTIME) || \ (defined(CONFIG_PM) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) #define KBASE_PM_RUNTIME 1 #endif /** Enable SW tracing when set */ #ifdef CONFIG_MALI_MIDGARD_ENABLE_TRACE #define KBASE_TRACE_ENABLE 1 #endif #ifndef KBASE_TRACE_ENABLE #ifdef CONFIG_MALI_DEBUG #define KBASE_TRACE_ENABLE 1 #else #define KBASE_TRACE_ENABLE 0 #endif /* CONFIG_MALI_DEBUG */ #endif /* KBASE_TRACE_ENABLE */ /** Dump Job slot trace on error (only active if KBASE_TRACE_ENABLE != 0) */ #define KBASE_TRACE_DUMP_ON_JOB_SLOT_ERROR 1 /** * Number of milliseconds before resetting the GPU when a job cannot be "zapped" from the hardware. * Note that the time is actually ZAP_TIMEOUT+SOFT_STOP_RESET_TIMEOUT between the context zap starting and the GPU * actually being reset to give other contexts time for their jobs to be soft-stopped and removed from the hardware * before resetting. */ #define ZAP_TIMEOUT 1000 /** Number of milliseconds before we time out on a GPU soft/hard reset */ #define RESET_TIMEOUT 500 /** * Prevent soft-stops from occuring in scheduling situations * * This is not due to HW issues, but when scheduling is desired to be more predictable. * * Therefore, soft stop may still be disabled due to HW issues. * * @note Soft stop will still be used for non-scheduling purposes e.g. when terminating a context. * * @note if not in use, define this value to 0 instead of \#undef'ing it */ #define KBASE_DISABLE_SCHEDULING_SOFT_STOPS 0 /** * Prevent hard-stops from occuring in scheduling situations * * This is not due to HW issues, but when scheduling is desired to be more predictable. * * @note Hard stop will still be used for non-scheduling purposes e.g. when terminating a context. * * @note if not in use, define this value to 0 instead of \#undef'ing it */ #define KBASE_DISABLE_SCHEDULING_HARD_STOPS 0 /** * The maximum number of Job Slots to support in the Hardware. * * You can optimize this down if your target devices will only ever support a * small number of job slots. */ #define BASE_JM_MAX_NR_SLOTS 3 /** * The maximum number of Address Spaces to support in the Hardware. * * You can optimize this down if your target devices will only ever support a * small number of Address Spaces */ #define BASE_MAX_NR_AS 16 /* mmu */ #define MIDGARD_MMU_VA_BITS 48 #if MIDGARD_MMU_VA_BITS > 39 #define MIDGARD_MMU_TOPLEVEL 0 #else #define MIDGARD_MMU_TOPLEVEL 1 #endif #define MIDGARD_MMU_BOTTOMLEVEL 3 #define GROWABLE_FLAGS_REQUIRED (KBASE_REG_PF_GROW | KBASE_REG_GPU_WR) /** setting in kbase_context::as_nr that indicates it's invalid */ #define KBASEP_AS_NR_INVALID (-1) #define KBASE_LOCK_REGION_MAX_SIZE (63) #define KBASE_LOCK_REGION_MIN_SIZE (11) #define KBASE_TRACE_SIZE_LOG2 8 /* 256 entries */ #define KBASE_TRACE_SIZE (1 << KBASE_TRACE_SIZE_LOG2) #define KBASE_TRACE_MASK ((1 << KBASE_TRACE_SIZE_LOG2)-1) #include "mali_kbase_js_defs.h" #include "mali_kbase_hwaccess_defs.h" #define KBASEP_FORCE_REPLAY_DISABLED 0 /* Maximum force replay limit when randomization is enabled */ #define KBASEP_FORCE_REPLAY_RANDOM_LIMIT 16 /** Atom has been previously soft-stoppped */ #define KBASE_KATOM_FLAG_BEEN_SOFT_STOPPPED (1<<1) /** Atom has been previously retried to execute */ #define KBASE_KATOM_FLAGS_RERUN (1<<2) #define KBASE_KATOM_FLAGS_JOBCHAIN (1<<3) /** Atom has been previously hard-stopped. */ #define KBASE_KATOM_FLAG_BEEN_HARD_STOPPED (1<<4) /** Atom has caused us to enter disjoint state */ #define KBASE_KATOM_FLAG_IN_DISJOINT (1<<5) /* Atom has fail dependency on same-slot dependency */ #define KBASE_KATOM_FLAG_FAIL_PREV (1<<6) /* Atom blocked on cross-slot dependency */ #define KBASE_KATOM_FLAG_X_DEP_BLOCKED (1<<7) /* Atom has fail dependency on cross-slot dependency */ #define KBASE_KATOM_FLAG_FAIL_BLOCKER (1<<8) /* Atom has been submitted to JSCTX ringbuffers */ #define KBASE_KATOM_FLAG_JSCTX_RB_SUBMITTED (1<<9) /* Atom is currently holding a context reference */ #define KBASE_KATOM_FLAG_HOLDING_CTX_REF (1<<10) /* Atom requires GPU to be in secure mode */ #define KBASE_KATOM_FLAG_SECURE (1<<11) /* SW related flags about types of JS_COMMAND action * NOTE: These must be masked off by JS_COMMAND_MASK */ /** This command causes a disjoint event */ #define JS_COMMAND_SW_CAUSES_DISJOINT 0x100 /** Bitmask of all SW related flags */ #define JS_COMMAND_SW_BITS (JS_COMMAND_SW_CAUSES_DISJOINT) #if (JS_COMMAND_SW_BITS & JS_COMMAND_MASK) #error JS_COMMAND_SW_BITS not masked off by JS_COMMAND_MASK. Must update JS_COMMAND_SW_<..> bitmasks #endif /** Soft-stop command that causes a Disjoint event. This of course isn't * entirely masked off by JS_COMMAND_MASK */ #define JS_COMMAND_SOFT_STOP_WITH_SW_DISJOINT \ (JS_COMMAND_SW_CAUSES_DISJOINT | JS_COMMAND_SOFT_STOP) #define KBASEP_ATOM_ID_INVALID BASE_JD_ATOM_COUNT #ifdef CONFIG_DEBUG_FS struct base_job_fault_event { u32 event_code; struct kbase_jd_atom *katom; struct work_struct job_fault_work; struct list_head head; int reg_offset; }; #endif struct kbase_jd_atom_dependency { struct kbase_jd_atom *atom; u8 dep_type; }; /** * @brief The function retrieves a read-only reference to the atom field from * the kbase_jd_atom_dependency structure * * @param[in] dep kbase jd atom dependency. * * @return readonly reference to dependent ATOM. */ static inline const struct kbase_jd_atom *const kbase_jd_katom_dep_atom(const struct kbase_jd_atom_dependency *dep) { LOCAL_ASSERT(dep != NULL); return (const struct kbase_jd_atom * const)(dep->atom); } /** * @brief The function retrieves a read-only reference to the dependency type field from * the kbase_jd_atom_dependency structure * * @param[in] dep kbase jd atom dependency. * * @return A dependency type value. */ static inline const u8 kbase_jd_katom_dep_type(const struct kbase_jd_atom_dependency *dep) { LOCAL_ASSERT(dep != NULL); return dep->dep_type; } /** * @brief Setter macro for dep_atom array entry in kbase_jd_atom * * @param[in] dep The kbase jd atom dependency. * @param[in] a The ATOM to be set as a dependency. * @param type The ATOM dependency type to be set. * */ static inline void kbase_jd_katom_dep_set(const struct kbase_jd_atom_dependency *const_dep, struct kbase_jd_atom *a, u8 type) { struct kbase_jd_atom_dependency *dep; LOCAL_ASSERT(const_dep != NULL); dep = (struct kbase_jd_atom_dependency *)const_dep; dep->atom = a; dep->dep_type = type; } /** * @brief Setter macro for dep_atom array entry in kbase_jd_atom * * @param[in] dep The kbase jd atom dependency to be cleared. * */ static inline void kbase_jd_katom_dep_clear(const struct kbase_jd_atom_dependency *const_dep) { struct kbase_jd_atom_dependency *dep; LOCAL_ASSERT(const_dep != NULL); dep = (struct kbase_jd_atom_dependency *)const_dep; dep->atom = NULL; dep->dep_type = BASE_JD_DEP_TYPE_INVALID; } enum kbase_atom_gpu_rb_state { /* Atom is not currently present in slot ringbuffer */ KBASE_ATOM_GPU_RB_NOT_IN_SLOT_RB, /* Atom is in slot ringbuffer but is blocked on a previous atom */ KBASE_ATOM_GPU_RB_WAITING_BLOCKED, /* Atom is in slot ringbuffer but is waiting for cores to become * available */ KBASE_ATOM_GPU_RB_WAITING_FOR_CORE_AVAILABLE, /* Atom is in slot ringbuffer but is blocked on affinity */ KBASE_ATOM_GPU_RB_WAITING_AFFINITY, /* Atom is in slot ringbuffer but is waiting for secure mode switch */ KBASE_ATOM_GPU_RB_WAITING_SECURE_MODE, /* Atom is in slot ringbuffer and ready to run */ KBASE_ATOM_GPU_RB_READY, /* Atom is in slot ringbuffer and has been submitted to the GPU */ KBASE_ATOM_GPU_RB_SUBMITTED, /* Atom must be returned to JS as soon as it reaches the head of the * ringbuffer due to a previous failure */ KBASE_ATOM_GPU_RB_RETURN_TO_JS }; struct kbase_ext_res { u64 gpu_address; struct kbase_mem_phy_alloc *alloc; }; struct kbase_jd_atom { struct work_struct work; ktime_t start_timestamp; u64 time_spent_us; /**< Total time spent on the GPU in microseconds */ struct base_jd_udata udata; struct kbase_context *kctx; struct list_head dep_head[2]; struct list_head dep_item[2]; const struct kbase_jd_atom_dependency dep[2]; u16 nr_extres; struct kbase_ext_res *extres; u32 device_nr; u64 affinity; u64 jc; enum kbase_atom_coreref_state coreref_state; #ifdef CONFIG_KDS struct list_head node; struct kds_resource_set *kds_rset; bool kds_dep_satisfied; #endif /* CONFIG_KDS */ #ifdef CONFIG_SYNC struct sync_fence *fence; struct sync_fence_waiter sync_waiter; #endif /* CONFIG_SYNC */ /* Note: refer to kbasep_js_atom_retained_state, which will take a copy of some of the following members */ enum base_jd_event_code event_code; base_jd_core_req core_req; /**< core requirements */ /** Job Slot to retry submitting to if submission from IRQ handler failed * * NOTE: see if this can be unified into the another member e.g. the event */ int retry_submit_on_slot; union kbasep_js_policy_job_info sched_info; /* JS atom priority with respect to other atoms on its kctx. */ int sched_priority; int poking; /* BASE_HW_ISSUE_8316 */ wait_queue_head_t completed; enum kbase_jd_atom_state status; #ifdef CONFIG_GPU_TRACEPOINTS int work_id; #endif /* Assigned after atom is completed. Used to check whether PRLAM-10676 workaround should be applied */ int slot_nr; u32 atom_flags; /* Number of times this atom has been retried. Used by replay soft job. */ int retry_count; enum kbase_atom_gpu_rb_state gpu_rb_state; u64 need_cache_flush_cores_retained; atomic_t blocked; /* Pointer to atom that this atom has cross-slot dependency on */ struct kbase_jd_atom *x_pre_dep; /* Pointer to atom that has cross-slot dependency on this atom */ struct kbase_jd_atom *x_post_dep; /* The GPU's flush count recorded at the time of submission, used for * the cache flush optimisation */ u32 flush_id; struct kbase_jd_atom_backend backend; #ifdef CONFIG_DEBUG_FS struct base_job_fault_event fault_event; #endif }; static inline bool kbase_jd_katom_is_secure(const struct kbase_jd_atom *katom) { return (bool)(katom->atom_flags & KBASE_KATOM_FLAG_SECURE); } /* * Theory of operations: * * Atom objects are statically allocated within the context structure. * * Each atom is the head of two lists, one for the "left" set of dependencies, one for the "right" set. */ #define KBASE_JD_DEP_QUEUE_SIZE 256 struct kbase_jd_context { struct mutex lock; struct kbasep_js_kctx_info sched_info; struct kbase_jd_atom atoms[BASE_JD_ATOM_COUNT]; /** Tracks all job-dispatch jobs. This includes those not tracked by * the scheduler: 'not ready to run' and 'dependency-only' jobs. */ u32 job_nr; /** Waitq that reflects whether there are no jobs (including SW-only * dependency jobs). This is set when no jobs are present on the ctx, * and clear when there are jobs. * * @note: Job Dispatcher knows about more jobs than the Job Scheduler: * the Job Scheduler is unaware of jobs that are blocked on dependencies, * and SW-only dependency jobs. * * This waitq can be waited upon to find out when the context jobs are all * done/cancelled (including those that might've been blocked on * dependencies) - and so, whether it can be terminated. However, it should * only be terminated once it is neither present in the policy-queue (see * kbasep_js_policy_try_evict_ctx() ) nor the run-pool (see * kbasep_js_kctx_info::ctx::is_scheduled). * * Since the waitq is only set under kbase_jd_context::lock, * the waiter should also briefly obtain and drop kbase_jd_context::lock to * guarentee that the setter has completed its work on the kbase_context * * This must be updated atomically with: * - kbase_jd_context::job_nr */ wait_queue_head_t zero_jobs_wait; /** Job Done workqueue. */ struct workqueue_struct *job_done_wq; spinlock_t tb_lock; u32 *tb; size_t tb_wrap_offset; #ifdef CONFIG_KDS struct kds_callback kds_cb; #endif /* CONFIG_KDS */ #ifdef CONFIG_GPU_TRACEPOINTS atomic_t work_id; #endif }; struct kbase_device_info { u32 features; }; /** Poking state for BASE_HW_ISSUE_8316 */ enum { KBASE_AS_POKE_STATE_IN_FLIGHT = 1<<0, KBASE_AS_POKE_STATE_KILLING_POKE = 1<<1 }; /** Poking state for BASE_HW_ISSUE_8316 */ typedef u32 kbase_as_poke_state; struct kbase_mmu_setup { u64 transtab; u64 memattr; }; /** * Important: Our code makes assumptions that a struct kbase_as structure is always at * kbase_device->as[number]. This is used to recover the containing * struct kbase_device from a struct kbase_as structure. * * Therefore, struct kbase_as structures must not be allocated anywhere else. */ struct kbase_as { int number; struct workqueue_struct *pf_wq; struct work_struct work_pagefault; struct work_struct work_busfault; enum kbase_mmu_fault_type fault_type; u32 fault_status; u64 fault_addr; struct mutex transaction_mutex; struct kbase_mmu_setup current_setup; /* BASE_HW_ISSUE_8316 */ struct workqueue_struct *poke_wq; struct work_struct poke_work; /** Protected by kbasep_js_device_data::runpool_irq::lock */ int poke_refcount; /** Protected by kbasep_js_device_data::runpool_irq::lock */ kbase_as_poke_state poke_state; struct hrtimer poke_timer; }; static inline int kbase_as_has_bus_fault(struct kbase_as *as) { return as->fault_type == KBASE_MMU_FAULT_TYPE_BUS; } static inline int kbase_as_has_page_fault(struct kbase_as *as) { return as->fault_type == KBASE_MMU_FAULT_TYPE_PAGE; } struct kbasep_mem_device { atomic_t used_pages; /* Tracks usage of OS shared memory. Updated when OS memory is allocated/freed. */ }; #define KBASE_TRACE_CODE(X) KBASE_TRACE_CODE_ ## X enum kbase_trace_code { /* IMPORTANT: USE OF SPECIAL #INCLUDE OF NON-STANDARD HEADER FILE * THIS MUST BE USED AT THE START OF THE ENUM */ #define KBASE_TRACE_CODE_MAKE_CODE(X) KBASE_TRACE_CODE(X) #include "mali_kbase_trace_defs.h" #undef KBASE_TRACE_CODE_MAKE_CODE /* Comma on its own, to extend the list */ , /* Must be the last in the enum */ KBASE_TRACE_CODE_COUNT }; #define KBASE_TRACE_FLAG_REFCOUNT (((u8)1) << 0) #define KBASE_TRACE_FLAG_JOBSLOT (((u8)1) << 1) struct kbase_trace { struct timespec timestamp; u32 thread_id; u32 cpu; void *ctx; bool katom; int atom_number; u64 atom_udata[2]; u64 gpu_addr; unsigned long info_val; u8 code; u8 jobslot; u8 refcount; u8 flags; }; /** Event IDs for the power management framework. * * Any of these events might be missed, so they should not be relied upon to * find the precise state of the GPU at a particular time in the * trace. Overall, we should get a high percentage of these events for * statisical purposes, and so a few missing should not be a problem */ enum kbase_timeline_pm_event { /* helper for tests */ KBASEP_TIMELINE_PM_EVENT_FIRST, /** Event reserved for backwards compatibility with 'init' events */ KBASE_TIMELINE_PM_EVENT_RESERVED_0 = KBASEP_TIMELINE_PM_EVENT_FIRST, /** The power state of the device has changed. * * Specifically, the device has reached a desired or available state. */ KBASE_TIMELINE_PM_EVENT_GPU_STATE_CHANGED, /** The GPU is becoming active. * * This event is sent when the first context is about to use the GPU. */ KBASE_TIMELINE_PM_EVENT_GPU_ACTIVE, /** The GPU is becoming idle. * * This event is sent when the last context has finished using the GPU. */ KBASE_TIMELINE_PM_EVENT_GPU_IDLE, /** Event reserved for backwards compatibility with 'policy_change' * events */ KBASE_TIMELINE_PM_EVENT_RESERVED_4, /** Event reserved for backwards compatibility with 'system_suspend' * events */ KBASE_TIMELINE_PM_EVENT_RESERVED_5, /** Event reserved for backwards compatibility with 'system_resume' * events */ KBASE_TIMELINE_PM_EVENT_RESERVED_6, /** The job scheduler is requesting to power up/down cores. * * This event is sent when: * - powered down cores are needed to complete a job * - powered up cores are not needed anymore */ KBASE_TIMELINE_PM_EVENT_CHANGE_GPU_STATE, KBASEP_TIMELINE_PM_EVENT_LAST = KBASE_TIMELINE_PM_EVENT_CHANGE_GPU_STATE, }; #ifdef CONFIG_MALI_TRACE_TIMELINE struct kbase_trace_kctx_timeline { atomic_t jd_atoms_in_flight; u32 owner_tgid; }; struct kbase_trace_kbdev_timeline { /* Note: strictly speaking, not needed, because it's in sync with * kbase_device::jm_slots[]::submitted_nr * * But it's kept as an example of how to add global timeline tracking * information * * The caller must hold kbasep_js_device_data::runpool_irq::lock when * accessing this */ u8 slot_atoms_submitted[BASE_JM_MAX_NR_SLOTS]; /* Last UID for each PM event */ atomic_t pm_event_uid[KBASEP_TIMELINE_PM_EVENT_LAST+1]; /* Counter for generating PM event UIDs */ atomic_t pm_event_uid_counter; /* * L2 transition state - true indicates that the transition is ongoing * Expected to be protected by pm.power_change_lock */ bool l2_transitioning; }; #endif /* CONFIG_MALI_TRACE_TIMELINE */ struct kbasep_kctx_list_element { struct list_head link; struct kbase_context *kctx; }; /** * Data stored per device for power management. * * This structure contains data for the power management framework. There is one * instance of this structure per device in the system. */ struct kbase_pm_device_data { /** * The lock protecting Power Management structures accessed outside of * IRQ. * * This lock must also be held whenever the GPU is being powered on or * off. */ struct mutex lock; /** The reference count of active contexts on this device. */ int active_count; /** Flag indicating suspending/suspended */ bool suspending; /* Wait queue set when active_count == 0 */ wait_queue_head_t zero_active_count_wait; /** * Bit masks identifying the available shader cores that are specified * via sysfs. One mask per job slot. */ u64 debug_core_mask[BASE_JM_MAX_NR_SLOTS]; u64 debug_core_mask_all; /** * Lock protecting the power state of the device. * * This lock must be held when accessing the shader_available_bitmap, * tiler_available_bitmap, l2_available_bitmap, shader_inuse_bitmap and * tiler_inuse_bitmap fields of kbase_device, and the ca_in_transition * and shader_poweroff_pending fields of kbase_pm_device_data. It is * also held when the hardware power registers are being written to, to * ensure that two threads do not conflict over the power transitions * that the hardware should make. */ spinlock_t power_change_lock; /** * Callback for initializing the runtime power management. * * @param kbdev The kbase device * * @return 0 on success, else error code */ int (*callback_power_runtime_init)(struct kbase_device *kbdev); /** * Callback for terminating the runtime power management. * * @param kbdev The kbase device */ void (*callback_power_runtime_term)(struct kbase_device *kbdev); /* Time in milliseconds between each dvfs sample */ u32 dvfs_period; /* Period of GPU poweroff timer */ ktime_t gpu_poweroff_time; /* Number of ticks of GPU poweroff timer before shader is powered off */ int poweroff_shader_ticks; /* Number of ticks of GPU poweroff timer before GPU is powered off */ int poweroff_gpu_ticks; struct kbase_pm_backend_data backend; }; /** * struct kbase_secure_ops - Platform specific functions for GPU secure mode * operations * @secure_mode_enable: Callback to enable secure mode on the GPU * @secure_mode_disable: Callback to disable secure mode on the GPU */ struct kbase_secure_ops { /** * secure_mode_enable() - Enable secure mode on the GPU * @kbdev: The kbase device * * Return: 0 on success, non-zero on error */ int (*secure_mode_enable)(struct kbase_device *kbdev); /** * secure_mode_disable() - Disable secure mode on the GPU * @kbdev: The kbase device * * Return: 0 on success, non-zero on error */ int (*secure_mode_disable)(struct kbase_device *kbdev); }; /** * struct kbase_mem_pool - Page based memory pool for kctx/kbdev * @kbdev: Kbase device where memory is used * @cur_size: Number of free pages currently in the pool (may exceed @max_size * in some corner cases) * @max_size: Maximum number of free pages in the pool * @pool_lock: Lock protecting the pool - must be held when modifying @cur_size * and @page_list * @page_list: List of free pages in the pool * @reclaim: Shrinker for kernel reclaim of free pages * @next_pool: Pointer to next pool where pages can be allocated when this pool * is empty. Pages will spill over to the next pool when this pool * is full. Can be NULL if there is no next pool. */ struct kbase_mem_pool { struct kbase_device *kbdev; size_t cur_size; size_t max_size; spinlock_t pool_lock; struct list_head page_list; struct shrinker reclaim; struct kbase_mem_pool *next_pool; }; #define DEVNAME_SIZE 16 struct kbase_device { s8 slot_submit_count_irq[BASE_JM_MAX_NR_SLOTS]; u32 hw_quirks_sc; u32 hw_quirks_tiler; u32 hw_quirks_mmu; u32 hw_quirks_jm; struct list_head entry; struct device *dev; struct miscdevice mdev; u64 reg_start; size_t reg_size; void __iomem *reg; struct { int irq; int flags; } irqs[3]; #ifdef CONFIG_HAVE_CLK struct clk *clock; #endif #ifdef CONFIG_REGULATOR struct regulator *regulator; #endif char devname[DEVNAME_SIZE]; #ifdef CONFIG_MALI_NO_MALI void *model; struct kmem_cache *irq_slab; struct workqueue_struct *irq_workq; atomic_t serving_job_irq; atomic_t serving_gpu_irq; atomic_t serving_mmu_irq; spinlock_t reg_op_lock; #endif /* CONFIG_MALI_NO_MALI */ struct kbase_pm_device_data pm; struct kbasep_js_device_data js_data; struct kbase_mem_pool mem_pool; struct kbasep_mem_device memdev; struct kbase_mmu_mode const *mmu_mode; struct kbase_as as[BASE_MAX_NR_AS]; spinlock_t mmu_mask_change; struct kbase_gpu_props gpu_props; /** List of SW workarounds for HW issues */ unsigned long hw_issues_mask[(BASE_HW_ISSUE_END + BITS_PER_LONG - 1) / BITS_PER_LONG]; /** List of features available */ unsigned long hw_features_mask[(BASE_HW_FEATURE_END + BITS_PER_LONG - 1) / BITS_PER_LONG]; /* Bitmaps of cores that are currently in use (running jobs). * These should be kept up to date by the job scheduler. * * pm.power_change_lock should be held when accessing these members. * * kbase_pm_check_transitions_nolock() should be called when bits are * cleared to update the power management system and allow transitions to * occur. */ u64 shader_inuse_bitmap; /* Refcount for cores in use */ u32 shader_inuse_cnt[64]; /* Bitmaps of cores the JS needs for jobs ready to run */ u64 shader_needed_bitmap; /* Refcount for cores needed */ u32 shader_needed_cnt[64]; u32 tiler_inuse_cnt; u32 tiler_needed_cnt; /* struct for keeping track of the disjoint information * * The state is > 0 if the GPU is in a disjoint state. Otherwise 0 * The count is the number of disjoint events that have occurred on the GPU */ struct { atomic_t count; atomic_t state; } disjoint_event; /* Refcount for tracking users of the l2 cache, e.g. when using hardware counter instrumentation. */ u32 l2_users_count; /* Bitmaps of cores that are currently available (powered up and the power policy is happy for jobs to be * submitted to these cores. These are updated by the power management code. The job scheduler should avoid * submitting new jobs to any cores that are not marked as available. * * pm.power_change_lock should be held when accessing these members. */ u64 shader_available_bitmap; u64 tiler_available_bitmap; u64 l2_available_bitmap; u64 shader_ready_bitmap; u64 shader_transitioning_bitmap; s8 nr_hw_address_spaces; /**< Number of address spaces in the GPU (constant after driver initialisation) */ s8 nr_user_address_spaces; /**< Number of address spaces available to user contexts */ /* Structure used for instrumentation and HW counters dumping */ struct { /* The lock should be used when accessing any of the following members */ spinlock_t lock; struct kbase_context *kctx; u64 addr; struct kbase_context *suspended_kctx; struct kbase_uk_hwcnt_setup suspended_state; struct kbase_instr_backend backend; } hwcnt; struct kbase_vinstr_context *vinstr_ctx; /*value to be written to the irq_throttle register each time an irq is served */ atomic_t irq_throttle_cycles; #if KBASE_TRACE_ENABLE spinlock_t trace_lock; u16 trace_first_out; u16 trace_next_in; struct kbase_trace *trace_rbuf; #endif /* This is used to override the current job scheduler values for * JS_SCHEDULING_PERIOD_NS * JS_SOFT_STOP_TICKS * JS_SOFT_STOP_TICKS_CL * JS_HARD_STOP_TICKS_SS * JS_HARD_STOP_TICKS_CL * JS_HARD_STOP_TICKS_DUMPING * JS_RESET_TICKS_SS * JS_RESET_TICKS_CL * JS_RESET_TICKS_DUMPING. * * These values are set via the js_timeouts sysfs file. */ u32 js_scheduling_period_ns; int js_soft_stop_ticks; int js_soft_stop_ticks_cl; int js_hard_stop_ticks_ss; int js_hard_stop_ticks_cl; int js_hard_stop_ticks_dumping; int js_reset_ticks_ss; int js_reset_ticks_cl; int js_reset_ticks_dumping; bool js_timeouts_updated; u32 reset_timeout_ms; struct mutex cacheclean_lock; /* Platform specific private data to be accessed by mali_kbase_config_xxx.c only */ void *platform_context; /* List of kbase_contexts created */ struct list_head kctx_list; struct mutex kctx_list_lock; #ifdef CONFIG_PM_DEVFREQ struct devfreq_dev_profile devfreq_profile; struct devfreq *devfreq; unsigned long current_freq; unsigned long current_voltage; #ifdef CONFIG_DEVFREQ_THERMAL struct devfreq_cooling_device *devfreq_cooling; #endif #endif struct kbase_ipa_context *ipa_ctx; #ifdef CONFIG_MALI_TRACE_TIMELINE struct kbase_trace_kbdev_timeline timeline; #endif /* * Control for enabling job dump on failure, set when control debugfs * is opened. */ bool job_fault_debug; #ifdef CONFIG_DEBUG_FS /* directory for debugfs entries */ struct dentry *mali_debugfs_directory; /* Root directory for per context entry */ struct dentry *debugfs_ctx_directory; /* failed job dump, used for separate debug process */ wait_queue_head_t job_fault_wq; wait_queue_head_t job_fault_resume_wq; struct workqueue_struct *job_fault_resume_workq; struct list_head job_fault_event_list; struct kbase_context *kctx_fault; #if !MALI_CUSTOMER_RELEASE /* Per-device data for register dumping interface */ struct { u16 reg_offset; /* Offset of a GPU_CONTROL register to be dumped upon request */ } regs_dump_debugfs_data; #endif /* !MALI_CUSTOMER_RELEASE */ #endif /* CONFIG_DEBUG_FS */ /* fbdump profiling controls set by gator */ u32 kbase_profiling_controls[FBDUMP_CONTROL_MAX]; #if MALI_CUSTOMER_RELEASE == 0 /* Number of jobs that are run before a job is forced to fail and * replay. May be KBASEP_FORCE_REPLAY_DISABLED, to disable forced * failures. */ int force_replay_limit; /* Count of jobs between forced failures. Incremented on each job. A * job is forced to fail once this is greater than or equal to * force_replay_limit. */ int force_replay_count; /* Core requirement for jobs to be failed and replayed. May be zero. */ base_jd_core_req force_replay_core_req; /* true if force_replay_limit should be randomized. The random * value will be in the range of 1 - KBASEP_FORCE_REPLAY_RANDOM_LIMIT. */ bool force_replay_random; #endif /* Total number of created contexts */ atomic_t ctx_num; struct kbase_hwaccess_data hwaccess; /* Count of page/bus faults waiting for workqueues to process */ atomic_t faults_pending; /* true if GPU is powered off or power off operation is in progress */ bool poweroff_pending; /* defaults for new context created for this device */ u32 infinite_cache_active_default; size_t mem_pool_max_size_default; /* system coherency mode */ u32 system_coherency; /* Secure operations */ struct kbase_secure_ops *secure_ops; /* * true when GPU is put into secure mode */ bool secure_mode; /* * true if secure mode is supported */ bool secure_mode_support; #ifdef CONFIG_MALI_DEBUG wait_queue_head_t driver_inactive_wait; bool driver_inactive; #endif /* CONFIG_MALI_DEBUG */ #ifdef CONFIG_MALI_FPGA_BUS_LOGGER /* * Bus logger integration. */ struct bus_logger_client *buslogger; #endif /* Boolean indicating if an IRQ flush during reset is in progress. */ bool irq_reset_flush; }; /* JSCTX ringbuffer size must always be a power of 2 */ #define JSCTX_RB_SIZE 256 #define JSCTX_RB_MASK (JSCTX_RB_SIZE-1) /** * struct jsctx_rb_entry - Entry in &struct jsctx_rb ring buffer * @atom_id: Atom ID */ struct jsctx_rb_entry { u16 atom_id; }; /** * struct jsctx_rb - JS context atom ring buffer * @entries: Array of size %JSCTX_RB_SIZE which holds the &struct * kbase_jd_atom pointers which make up the contents of the ring * buffer. * @read_idx: Index into @entries. Indicates the next entry in @entries to * read, and is incremented when pulling an atom, and decremented * when unpulling. * HW access lock must be held when accessing. * @write_idx: Index into @entries. Indicates the next entry to use when * adding atoms into the ring buffer, and is incremented when * adding a new atom. * jctx->lock must be held when accessing. * @running_idx: Index into @entries. Indicates the last valid entry, and is * incremented when remving atoms from the ring buffer. * HW access lock must be held when accessing. * * &struct jsctx_rb is a ring buffer of &struct kbase_jd_atom. */ struct jsctx_rb { struct jsctx_rb_entry entries[JSCTX_RB_SIZE]; u16 read_idx; /* HW access lock must be held when accessing */ u16 write_idx; /* jctx->lock must be held when accessing */ u16 running_idx; /* HW access lock must be held when accessing */ }; #define KBASE_API_VERSION(major, minor) ((((major) & 0xFFF) << 20) | \ (((minor) & 0xFFF) << 8) | \ ((0 & 0xFF) << 0)) struct kbase_context { struct file *filp; struct kbase_device *kbdev; int id; /* System wide unique id */ unsigned long api_version; phys_addr_t pgd; struct list_head event_list; struct mutex event_mutex; atomic_t event_closed; struct workqueue_struct *event_workq; atomic_t event_count; bool is_compat; atomic_t setup_complete; atomic_t setup_in_progress; u64 *mmu_teardown_pages; struct page *aliasing_sink_page; struct mutex reg_lock; /* To be converted to a rwlock? */ struct rb_root reg_rbtree; /* Red-Black tree of GPU regions (live regions) */ unsigned long cookies; struct kbase_va_region *pending_regions[BITS_PER_LONG]; wait_queue_head_t event_queue; pid_t tgid; pid_t pid; struct kbase_jd_context jctx; atomic_t used_pages; atomic_t nonmapped_pages; struct kbase_mem_pool mem_pool; struct list_head waiting_soft_jobs; #ifdef CONFIG_KDS struct list_head waiting_kds_resource; #endif /** This is effectively part of the Run Pool, because it only has a valid * setting (!=KBASEP_AS_NR_INVALID) whilst the context is scheduled in * * The kbasep_js_device_data::runpool_irq::lock must be held whilst accessing * this. * * If the context relating to this as_nr is required, you must use * kbasep_js_runpool_retain_ctx() to ensure that the context doesn't disappear * whilst you're using it. Alternatively, just hold the kbasep_js_device_data::runpool_irq::lock * to ensure the context doesn't disappear (but this has restrictions on what other locks * you can take whilst doing this) */ int as_nr; /* NOTE: * * Flags are in jctx.sched_info.ctx.flags * Mutable flags *must* be accessed under jctx.sched_info.ctx.jsctx_mutex * * All other flags must be added there */ spinlock_t mm_update_lock; struct mm_struct *process_mm; #ifdef CONFIG_MALI_TRACE_TIMELINE struct kbase_trace_kctx_timeline timeline; #endif #ifdef CONFIG_DEBUG_FS /* Content of mem_profile file */ char *mem_profile_data; /* Size of @c mem_profile_data */ size_t mem_profile_size; /* Mutex guarding memory profile state */ struct mutex mem_profile_lock; /* Memory profile file created */ bool mem_profile_initialized; struct dentry *kctx_dentry; /* for job fault debug */ unsigned int *reg_dump; atomic_t job_fault_count; /* This list will keep the following atoms during the dump * in the same context */ struct list_head job_fault_resume_event_list; #endif /* CONFIG_DEBUG_FS */ struct jsctx_rb jsctx_rb [KBASE_JS_ATOM_SCHED_PRIO_COUNT][BASE_JM_MAX_NR_SLOTS]; /* Number of atoms currently pulled from this context */ atomic_t atoms_pulled; /* Number of atoms currently pulled from this context, per slot */ atomic_t atoms_pulled_slot[BASE_JM_MAX_NR_SLOTS]; /* true if last kick() caused atoms to be pulled from this context */ bool pulled; /* true if infinite cache is to be enabled for new allocations. Existing * allocations will not change. bool stored as a u32 per Linux API */ u32 infinite_cache_active; /* Bitmask of slots that can be pulled from */ u32 slots_pullable; /* true if address space assignment is pending */ bool as_pending; /* Backend specific data */ struct kbase_context_backend backend; /* Work structure used for deferred ASID assignment */ struct work_struct work; /* Only one userspace vinstr client per kbase context */ struct kbase_vinstr_client *vinstr_cli; struct mutex vinstr_cli_lock; /* Must hold queue_mutex when accessing */ bool ctx_active; /* List of completed jobs waiting for events to be posted */ struct list_head completed_jobs; /* Number of work items currently pending on job_done_wq */ atomic_t work_count; /* true if context is counted in kbdev->js_data.nr_contexts_runnable */ bool ctx_runnable_ref; }; enum kbase_reg_access_type { REG_READ, REG_WRITE }; enum kbase_share_attr_bits { /* (1ULL << 8) bit is reserved */ SHARE_BOTH_BITS = (2ULL << 8), /* inner and outer shareable coherency */ SHARE_INNER_BITS = (3ULL << 8) /* inner shareable coherency */ }; /** * kbase_device_is_cpu_coherent - Returns if the device is CPU coherent. * @kbdev: kbase device * * Return: true if the device access are coherent, false if not. */ static inline bool kbase_device_is_cpu_coherent(struct kbase_device *kbdev) { if ((kbdev->system_coherency == COHERENCY_ACE_LITE) || (kbdev->system_coherency == COHERENCY_ACE)) return true; return false; } /* Conversion helpers for setting up high resolution timers */ #define HR_TIMER_DELAY_MSEC(x) (ns_to_ktime((x)*1000000U)) #define HR_TIMER_DELAY_NSEC(x) (ns_to_ktime(x)) /* Maximum number of loops polling the GPU for a cache flush before we assume it must have completed */ #define KBASE_CLEAN_CACHE_MAX_LOOPS 100000 /* Maximum number of loops polling the GPU for an AS command to complete before we assume the GPU has hung */ #define KBASE_AS_INACTIVE_MAX_LOOPS 100000 /* Maximum number of times a job can be replayed */ #define BASEP_JD_REPLAY_LIMIT 15 #endif /* _KBASE_DEFS_H_ */