/*
*
* (C) COPYRIGHT 2011-2017 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 <mali_kbase_config.h>
#include <mali_base_hwconfig_features.h>
#include <mali_base_hwconfig_issues.h>
#include <mali_kbase_mem_lowlevel.h>
#include <mali_kbase_mmu_hw.h>
#include <mali_kbase_mmu_mode.h>
#include <mali_kbase_instr_defs.h>
#include <mali_kbase_pm.h>
#include <protected_mode_switcher.h>
#include <linux/atomic.h>
#include <linux/mempool.h>
#include <linux/slab.h>
#include <linux/file.h>
#ifdef CONFIG_MALI_FPGA_BUS_LOGGER
#include <linux/bus_logger.h>
#endif
#ifdef CONFIG_KDS
#include <linux/kds.h>
#endif /* CONFIG_KDS */
#if defined(CONFIG_SYNC)
#include <sync.h>
#else
#include "mali_kbase_fence_defs.h"
#endif
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#endif /* CONFIG_DEBUG_FS */
#ifdef CONFIG_MALI_DEVFREQ
#include <linux/devfreq.h>
#endif /* CONFIG_MALI_DEVFREQ */
#include <linux/clk.h>
#include <linux/regulator/consumer.h>
#include <soc/rockchip/rockchip_opp_select.h>
#if defined(CONFIG_PM)
#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 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 is currently in the list of atoms blocked on cross-slot dependencies */
#define KBASE_KATOM_FLAG_JSCTX_IN_X_DEP_LIST (1<<9)
/* Atom is currently holding a context reference */
#define KBASE_KATOM_FLAG_HOLDING_CTX_REF (1<<10)
/* Atom requires GPU to be in protected mode */
#define KBASE_KATOM_FLAG_PROTECTED (1<<11)
/* Atom has been stored in runnable_tree */
#define KBASE_KATOM_FLAG_JSCTX_IN_TREE (1<<12)
/* 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
/* Serialize atoms within a slot (ie only one atom per job slot) */
#define KBASE_SERIALIZE_INTRA_SLOT (1 << 0)
/* Serialize atoms between slots (ie only one job slot running at any time) */
#define KBASE_SERIALIZE_INTER_SLOT (1 << 1)
/* Reset the GPU after each atom completion */
#define KBASE_SERIALIZE_RESET (1 << 2)
#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;
};
/**
* struct kbase_io_access - holds information about 1 register access
*
* @addr: first bit indicates r/w (r=0, w=1)
* @value: value written or read
*/
struct kbase_io_access {
uintptr_t addr;
u32 value;
};
/**
* struct kbase_io_history - keeps track of all recent register accesses
*
* @enabled: true if register accesses are recorded, false otherwise
* @lock: spinlock protecting kbase_io_access array
* @count: number of registers read/written
* @size: number of elements in kbase_io_access array
* @buf: array of kbase_io_access
*/
struct kbase_io_history {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
bool enabled;
#else
u32 enabled;
#endif
spinlock_t lock;
size_t count;
u16 size;
struct kbase_io_access *buf;
};
/**
* @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 * kbase_jd_katom_dep_atom(const struct kbase_jd_atom_dependency *dep)
{
LOCAL_ASSERT(dep != NULL);
return (const struct kbase_jd_atom *)(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 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 a previous protected
* mode transition to complete */
KBASE_ATOM_GPU_RB_WAITING_PROTECTED_MODE_PREV,
/* Atom is in slot ringbuffer but is waiting for proected mode
* transition */
KBASE_ATOM_GPU_RB_WAITING_PROTECTED_MODE_TRANSITION,
/* 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 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 = -1
};
enum kbase_atom_enter_protected_state {
/*
* Starting state:
* Check if a transition into protected mode is required.
*
* NOTE: The integer value of this must
* match KBASE_ATOM_EXIT_PROTECTED_CHECK.
*/
KBASE_ATOM_ENTER_PROTECTED_CHECK = 0,
/* Wait for vinstr to suspend. */
KBASE_ATOM_ENTER_PROTECTED_VINSTR,
/* Wait for the L2 to become idle in preparation for
* the coherency change. */
KBASE_ATOM_ENTER_PROTECTED_IDLE_L2,
/* End state;
* Prepare coherency change. */
KBASE_ATOM_ENTER_PROTECTED_FINISHED,
};
enum kbase_atom_exit_protected_state {
/*
* Starting state:
* Check if a transition out of protected mode is required.
*
* NOTE: The integer value of this must
* match KBASE_ATOM_ENTER_PROTECTED_CHECK.
*/
KBASE_ATOM_EXIT_PROTECTED_CHECK = 0,
/* Wait for the L2 to become idle in preparation
* for the reset. */
KBASE_ATOM_EXIT_PROTECTED_IDLE_L2,
/* Issue the protected reset. */
KBASE_ATOM_EXIT_PROTECTED_RESET,
/* End state;
* Wait for the reset to complete. */
KBASE_ATOM_EXIT_PROTECTED_RESET_WAIT,
};
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;
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];
/* List head used during job dispatch job_done processing - as
* dependencies may not be entirely resolved at this point, we need to
* use a separate list head. */
struct list_head jd_item;
/* true if atom's jd_item is currently on a list. Prevents atom being
* processed twice. */
bool in_jd_list;
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 */
#if defined(CONFIG_SYNC)
/* Stores either an input or output fence, depending on soft-job type */
struct sync_fence *fence;
struct sync_fence_waiter sync_waiter;
#endif /* CONFIG_SYNC */
#if defined(CONFIG_MALI_DMA_FENCE) || defined(CONFIG_SYNC_FILE)
struct {
/* Use the functions/API defined in mali_kbase_fence.h to
* when working with this sub struct */
#if defined(CONFIG_SYNC_FILE)
/* Input fence */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0))
struct fence *fence_in;
#else
struct dma_fence *fence_in;
#endif
#endif
/* This points to the dma-buf output fence for this atom. If
* this is NULL then there is no fence for this atom and the
* following fields related to dma_fence may have invalid data.
*
* The context and seqno fields contain the details for this
* fence.
*
* This fence is signaled when the katom is completed,
* regardless of the event_code of the katom (signal also on
* failure).
*/
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0))
struct fence *fence;
#else
struct dma_fence *fence;
#endif
/* The dma-buf fence context number for this atom. A unique
* context number is allocated to each katom in the context on
* context creation.
*/
unsigned int context;
/* The dma-buf fence sequence number for this atom. This is
* increased every time this katom uses dma-buf fence.
*/
atomic_t seqno;
/* This contains a list of all callbacks set up to wait on
* other fences. This atom must be held back from JS until all
* these callbacks have been called and dep_count have reached
* 0. The initial value of dep_count must be equal to the
* number of callbacks on this list.
*
* This list is protected by jctx.lock. Callbacks are added to
* this list when the atom is built and the wait are set up.
* All the callbacks then stay on the list until all callbacks
* have been called and the atom is queued, or cancelled, and
* then all callbacks are taken off the list and freed.
*/
struct list_head callbacks;
/* Atomic counter of number of outstandind dma-buf fence
* dependencies for this atom. When dep_count reaches 0 the
* atom may be queued.
*
* The special value "-1" may only be set after the count
* reaches 0, while holding jctx.lock. This indicates that the
* atom has been handled, either queued in JS or cancelled.
*
* If anyone but the dma-fence worker sets this to -1 they must
* ensure that any potentially queued worker must have
* completed before allowing the atom to be marked as unused.
* This can be done by flushing the fence work queue:
* kctx->dma_fence.wq.
*/
atomic_t dep_count;
} dma_fence;
#endif /* CONFIG_MALI_DMA_FENCE || CONFIG_SYNC_FILE*/
/* 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;
u32 ticks;
/* 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 same-slot dependency on */
struct kbase_jd_atom *pre_dep;
/* Pointer to atom that has same-slot dependency on this atom */
struct kbase_jd_atom *post_dep;
/* 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
/* List head used for three different purposes:
* 1. Overflow list for JS ring buffers. If an atom is ready to run,
* but there is no room in the JS ring buffer, then the atom is put
* on the ring buffer's overflow list using this list node.
* 2. List of waiting soft jobs.
*/
struct list_head queue;
/* Used to keep track of all JIT free/alloc jobs in submission order
*/
struct list_head jit_node;
bool jit_blocked;
/* If non-zero, this indicates that the atom will fail with the set
* event_code when the atom is processed. */
enum base_jd_event_code will_fail_event_code;
/* Atoms will only ever be transitioning into, or out of
* protected mode so we do not need two separate fields.
*/
union {
enum kbase_atom_enter_protected_state enter;
enum kbase_atom_exit_protected_state exit;
} protected_state;
struct rb_node runnable_tree_node;
/* 'Age' of atom relative to other atoms in the context. */
u32 age;
};
static inline bool kbase_jd_katom_is_protected(const struct kbase_jd_atom *katom)
{
return (bool)(katom->atom_flags & KBASE_KATOM_FLAG_PROTECTED);
}
/*
* 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 not present in 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;
u64 transcfg;
};
/**
* 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;
bool protected_mode;
u32 fault_status;
u64 fault_addr;
u64 fault_extra_addr;
struct kbase_mmu_setup current_setup;
/* BASE_HW_ISSUE_8316 */
struct workqueue_struct *poke_wq;
struct work_struct poke_work;
/** Protected by hwaccess_lock */
int poke_refcount;
/** Protected by hwaccess_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 timespec64 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 hwaccess_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 hwaccess_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;
/**
* 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_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;
};
/**
* struct kbase_devfreq_opp - Lookup table for converting between nominal OPP
* frequency, and real frequency and core mask
* @opp_freq: Nominal OPP frequency
* @real_freq: Real GPU frequency
* @core_mask: Shader core mask
*/
struct kbase_devfreq_opp {
u64 opp_freq;
u64 real_freq;
u64 core_mask;
};
#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;
unsigned int kbase_group_error;
struct miscdevice mdev;
u64 reg_start;
size_t reg_size;
void __iomem *reg;
struct {
int irq;
int flags;
} irqs[3];
struct clk *clock;
#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];
/* The below variables (as_free and as_to_kctx) are managed by the
* Context Scheduler. The kbasep_js_device_data::runpool_irq::lock must
* be held whilst accessing these.
*/
u16 as_free; /* Bitpattern of free Address Spaces */
/* Mapping from active Address Spaces to kbase_context */
struct kbase_context *as_to_kctx[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 stack_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 kbase_hwcnt {
/* The lock should be used when accessing any of the following members */
spinlock_t lock;
struct kbase_context *kctx;
u64 addr;
struct kbase_instr_backend backend;
} hwcnt;
struct kbase_vinstr_context *vinstr_ctx;
#if KBASE_TRACE_ENABLE
spinlock_t trace_lock;
u16 trace_first_out;
u16 trace_next_in;
struct kbase_trace *trace_rbuf;
#endif
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;
struct rockchip_opp_info opp_info;
#ifdef CONFIG_MALI_DEVFREQ
struct devfreq_dev_profile devfreq_profile;
struct devfreq *devfreq;
unsigned long current_freq;
unsigned long current_nominal_freq;
unsigned long current_voltage;
u64 current_core_mask;
struct kbase_devfreq_opp *opp_table;
int num_opps;
struct monitor_dev_info *mdev_info;
#ifdef CONFIG_DEVFREQ_THERMAL
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0)
struct devfreq_cooling_device *devfreq_cooling;
#else
struct thermal_cooling_device *devfreq_cooling;
#endif
/* Current IPA model - true for configured model, false for fallback */
atomic_t ipa_use_configured_model;
struct {
/* Access to this struct must be with ipa.lock held */
struct mutex lock;
struct kbase_ipa_model *configured_model;
struct kbase_ipa_model *fallback_model;
} ipa;
#endif /* CONFIG_DEVFREQ_THERMAL */
#endif /* CONFIG_MALI_DEVFREQ */
#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;
#ifdef CONFIG_MALI_DEBUG
/* bit for each as, set if there is new data to report */
u64 debugfs_as_read_bitmap;
#endif /* CONFIG_MALI_DEBUG */
/* 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;
spinlock_t job_fault_event_lock;
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;
#ifdef CONFIG_DEBUG_FS
/* Holds the most recent register accesses */
struct kbase_io_history io_history;
#endif /* CONFIG_DEBUG_FS */
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 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
bool infinite_cache_active_default;
#else
u32 infinite_cache_active_default;
#endif
size_t mem_pool_max_size_default;
/* current gpu coherency mode */
u32 current_gpu_coherency_mode;
/* system coherency mode */
u32 system_coherency;
/* Flag to track when cci snoops have been enabled on the interface */
bool cci_snoop_enabled;
/* SMC function IDs to call into Trusted firmware to enable/disable
* cache snooping. Value of 0 indicates that they are not used
*/
u32 snoop_enable_smc;
u32 snoop_disable_smc;
/* Protected mode operations */
struct protected_mode_ops *protected_ops;
/* Protected device attached to this kbase device */
struct protected_mode_device *protected_dev;
/*
* true when GPU is put into protected mode
*/
bool protected_mode;
/*
* true when GPU is transitioning into or out of protected mode
*/
bool protected_mode_transition;
/*
* true if protected mode is supported
*/
bool protected_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;
/* list of inited sub systems. Used during terminate/error recovery */
u32 inited_subsys;
spinlock_t hwaccess_lock;
/* Protects access to MMU operations */
struct mutex mmu_hw_mutex;
/* Current serialization mode. See KBASE_SERIALIZE_* for details */
u8 serialize_jobs;
};
/**
* struct jsctx_queue - JS context atom queue
* @runnable_tree: Root of RB-tree containing currently runnable atoms on this
* job slot.
* @x_dep_head: Head item of the linked list of atoms blocked on cross-slot
* dependencies. Atoms on this list will be moved to the
* runnable_tree when the blocking atom completes.
*
* hwaccess_lock must be held when accessing this structure.
*/
struct jsctx_queue {
struct rb_root runnable_tree;
struct list_head x_dep_head;
};
#define KBASE_API_VERSION(major, minor) ((((major) & 0xFFF) << 20) | \
(((minor) & 0xFFF) << 8) | \
((0 & 0xFF) << 0))
/**
* enum kbase_context_flags - Flags for kbase contexts
*
* @KCTX_COMPAT: Set when the context process is a compat process, 32-bit
* process on a 64-bit kernel.
*
* @KCTX_RUNNABLE_REF: Set when context is counted in
* kbdev->js_data.nr_contexts_runnable. Must hold queue_mutex when accessing.
*
* @KCTX_ACTIVE: Set when the context is active.
*
* @KCTX_PULLED: Set when last kick() caused atoms to be pulled from this
* context.
*
* @KCTX_MEM_PROFILE_INITIALIZED: Set when the context's memory profile has been
* initialized.
*
* @KCTX_INFINITE_CACHE: Set when infinite cache is to be enabled for new
* allocations. Existing allocations will not change.
*
* @KCTX_SUBMIT_DISABLED: Set to prevent context from submitting any jobs.
*
* @KCTX_PRIVILEGED:Set if the context uses an address space and should be kept
* scheduled in.
*
* @KCTX_SCHEDULED: Set when the context is scheduled on the Run Pool.
* This is only ever updated whilst the jsctx_mutex is held.
*
* @KCTX_DYING: Set when the context process is in the process of being evicted.
*
* @KCTX_NO_IMPLICIT_SYNC: Set when explicit Android fences are in use on this
* context, to disable use of implicit dma-buf fences. This is used to avoid
* potential synchronization deadlocks.
*
* All members need to be separate bits. This enum is intended for use in a
* bitmask where multiple values get OR-ed together.
*/
enum kbase_context_flags {
KCTX_COMPAT = 1U << 0,
KCTX_RUNNABLE_REF = 1U << 1,
KCTX_ACTIVE = 1U << 2,
KCTX_PULLED = 1U << 3,
KCTX_MEM_PROFILE_INITIALIZED = 1U << 4,
KCTX_INFINITE_CACHE = 1U << 5,
KCTX_SUBMIT_DISABLED = 1U << 6,
KCTX_PRIVILEGED = 1U << 7,
KCTX_SCHEDULED = 1U << 8,
KCTX_DYING = 1U << 9,
KCTX_NO_IMPLICIT_SYNC = 1U << 10,
};
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 list_head event_coalesce_list;
struct mutex event_mutex;
atomic_t event_closed;
struct workqueue_struct *event_workq;
atomic_t event_count;
int event_coalesce_count;
atomic_t flags;
atomic_t setup_complete;
atomic_t setup_in_progress;
u64 *mmu_teardown_pages;
struct page *aliasing_sink_page;
struct mutex mmu_lock;
struct mutex reg_lock; /* To be converted to a rwlock? */
struct rb_root reg_rbtree_same; /* RB tree of GPU (live) regions,
* SAME_VA zone */
struct rb_root reg_rbtree_exec; /* RB tree of GPU (live) regions,
* EXEC zone */
struct rb_root reg_rbtree_custom; /* RB tree of GPU (live) regions,
* CUSTOM_VA zone */
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 shrinker reclaim;
struct list_head evict_list;
struct list_head waiting_soft_jobs;
spinlock_t waiting_soft_jobs_lock;
#ifdef CONFIG_KDS
struct list_head waiting_kds_resource;
#endif
#ifdef CONFIG_MALI_DMA_FENCE
struct {
struct list_head waiting_resource;
struct workqueue_struct *wq;
} dma_fence;
#endif /* CONFIG_MALI_DMA_FENCE */
/** 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 hwaccess_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 hwaccess_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;
/* Keeps track of the number of users of this context. A user can be a
* job that is available for execution, instrumentation needing to 'pin'
* a context for counter collection, etc. If the refcount reaches 0 then
* this context is considered inactive and the previously programmed
* AS might be cleared at any point.
*/
atomic_t refcount;
/* 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;
/* End of the SAME_VA zone */
u64 same_va_end;
#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 directory under debugfs */
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_queue jsctx_queue
[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];
/* Number of atoms currently pulled from this context, per slot and
* priority. Hold hwaccess_lock when accessing */
int atoms_pulled_slot_pri[BASE_JM_MAX_NR_SLOTS][
KBASE_JS_ATOM_SCHED_PRIO_COUNT];
/* true if slot is blocked on the given priority. This will be set on a
* soft-stop */
bool blocked_js[BASE_JM_MAX_NR_SLOTS][KBASE_JS_ATOM_SCHED_PRIO_COUNT];
/* Bitmask of slots that can be pulled from */
u32 slots_pullable;
/* 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;
/* 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;
/* Waiting soft-jobs will fail when this timer expires */
struct timer_list soft_job_timeout;
/* JIT allocation management */
struct kbase_va_region *jit_alloc[256];
struct list_head jit_active_head;
struct list_head jit_pool_head;
struct list_head jit_destroy_head;
struct mutex jit_evict_lock;
struct work_struct jit_work;
/* A list of the JIT soft-jobs in submission order
* (protected by kbase_jd_context.lock)
*/
struct list_head jit_atoms_head;
/* A list of pending JIT alloc soft-jobs (using the 'queue' list_head)
* (protected by kbase_jd_context.lock)
*/
struct list_head jit_pending_alloc;
/* External sticky resource management */
struct list_head ext_res_meta_head;
/* Used to record that a drain was requested from atomic context */
atomic_t drain_pending;
/* Current age count, used to determine age for newly submitted atoms */
u32 age_count;
};
/**
* struct kbase_ctx_ext_res_meta - Structure which binds an external resource
* to a @kbase_context.
* @ext_res_node: List head for adding the metadata to a
* @kbase_context.
* @alloc: The physical memory allocation structure
* which is mapped.
* @gpu_addr: The GPU virtual address the resource is
* mapped to.
*
* External resources can be mapped into multiple contexts as well as the same
* context multiple times.
* As kbase_va_region itself isn't refcounted we can't attach our extra
* information to it as it could be removed under our feet leaving external
* resources pinned.
* This metadata structure binds a single external resource to a single
* context, ensuring that per context mapping is tracked separately so it can
* be overridden when needed and abuses by the application (freeing the resource
* multiple times) don't effect the refcount of the physical allocation.
*/
struct kbase_ctx_ext_res_meta {
struct list_head ext_res_node;
struct kbase_mem_phy_alloc *alloc;
u64 gpu_addr;
};
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(((u64)(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
/* JobDescriptorHeader - taken from the architecture specifications, the layout
* is currently identical for all GPU archs. */
struct job_descriptor_header {
u32 exception_status;
u32 first_incomplete_task;
u64 fault_pointer;
u8 job_descriptor_size : 1;
u8 job_type : 7;
u8 job_barrier : 1;
u8 _reserved_01 : 1;
u8 _reserved_1 : 1;
u8 _reserved_02 : 1;
u8 _reserved_03 : 1;
u8 _reserved_2 : 1;
u8 _reserved_04 : 1;
u8 _reserved_05 : 1;
u16 job_index;
u16 job_dependency_index_1;
u16 job_dependency_index_2;
union {
u64 _64;
u32 _32;
} next_job;
};
#endif /* _KBASE_DEFS_H_ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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