| /kernel/linux/linux-6.6/arch/mips/include/asm/octeon/ |
| D | cvmx-fau.h | 123 * @reg: FAU atomic register to access. 0 <= reg < 2048.
127 * Returns Address to store for atomic update
139 * @tagwait: Should the atomic add wait for the current tag switch
143 * @reg: FAU atomic register to access. 0 <= reg < 2048.
150 * Returns Address to read from for atomic update
162 * Perform an atomic 64 bit add
164 * @reg: FAU atomic register to access. 0 <= reg < 2048.
177 * Perform an atomic 32 bit add
179 * @reg: FAU atomic register to access. 0 <= reg < 2048.
193 * Perform an atomic 16 bit add
[all …]
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| /kernel/linux/linux-5.10/arch/mips/include/asm/octeon/ |
| D | cvmx-fau.h | 123 * @reg: FAU atomic register to access. 0 <= reg < 2048.
127 * Returns Address to store for atomic update
139 * @tagwait: Should the atomic add wait for the current tag switch
143 * @reg: FAU atomic register to access. 0 <= reg < 2048.
150 * Returns Address to read from for atomic update
162 * Perform an atomic 64 bit add
164 * @reg: FAU atomic register to access. 0 <= reg < 2048.
177 * Perform an atomic 32 bit add
179 * @reg: FAU atomic register to access. 0 <= reg < 2048.
193 * Perform an atomic 16 bit add
[all …]
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| /kernel/linux/linux-6.6/lib/ |
| D | dec_and_lock.c | 4 #include <linux/atomic.h>
12 * if (atomic_dec_and_test(&atomic)) {
19 * "atomic".
21 int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock) in _atomic_dec_and_lock() argument
24 if (atomic_add_unless(atomic, -1, 1)) in _atomic_dec_and_lock()
29 if (atomic_dec_and_test(atomic)) in _atomic_dec_and_lock()
37 int _atomic_dec_and_lock_irqsave(atomic_t *atomic, spinlock_t *lock, in _atomic_dec_and_lock_irqsave() argument
41 if (atomic_add_unless(atomic, -1, 1)) in _atomic_dec_and_lock_irqsave()
46 if (atomic_dec_and_test(atomic)) in _atomic_dec_and_lock_irqsave()
53 int _atomic_dec_and_raw_lock(atomic_t *atomic, raw_spinlock_t *lock) in _atomic_dec_and_raw_lock() argument
[all …]
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| /kernel/linux/linux-5.10/include/drm/ |
| D | drm_modeset_helper_vtables.h | 59 * helpers and the new atomic modesetting helpers.
73 * This callback is used by the legacy CRTC helpers. Atomic helpers
75 * facilitate transitions to atomic, but it is deprecated. Instead
88 * This callback is used by the legacy CRTC helpers. Atomic helpers
90 * transitions to atomic, but it is deprecated. Instead @atomic_disable
103 * This callback is used by the legacy CRTC helpers. Atomic helpers
105 * transitions to atomic, but it is deprecated. Instead @atomic_enable
123 * atomic helpers to validate modes supplied by userspace in
130 * Since this function is both called from the check phase of an atomic
155 * This function is used by both legacy CRTC helpers and atomic helpers.
[all …]
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| D | drm_atomic.h | 37 * This structure is used to track pending modeset changes and atomic commit on
45 * atomic commit thread hardware
61 * clean up atomic state
68 * drm_atomic_helper_setup_commit() from the atomic helper library.
198 * struct drm_private_state_funcs - atomic state functions for private objects
200 * These hooks are used by atomic helpers to create, swap and destroy states of
203 * added to the atomic states is expected to have an implementation of these
216 * Duplicated atomic state or NULL when obj->state is not
231 * struct drm_private_obj - base struct for driver private atomic object
265 * @state: Current atomic state for this driver private object.
[all …]
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| /kernel/linux/linux-6.6/include/drm/ |
| D | drm_modeset_helper_vtables.h | 62 * These hooks are used by the legacy CRTC helpers and the new atomic
77 * This callback is used by the legacy CRTC helpers. Atomic helpers
79 * facilitate transitions to atomic, but it is deprecated. Instead
92 * This callback is used by the legacy CRTC helpers. Atomic helpers
94 * transitions to atomic, but it is deprecated. Instead @atomic_disable
107 * This callback is used by the legacy CRTC helpers. Atomic helpers
109 * transitions to atomic, but it is deprecated. Instead @atomic_enable
127 * atomic helpers to validate modes supplied by userspace in
134 * Since this function is both called from the check phase of an atomic
159 * This function is used by both legacy CRTC helpers and atomic helpers.
[all …]
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| D | drm_atomic.h | 37 * This structure is used to track pending modeset changes and atomic commit on
45 * atomic commit thread hardware
61 * clean up atomic state
68 * drm_atomic_helper_setup_commit() from the atomic helper library.
200 * struct drm_private_state_funcs - atomic state functions for private objects
202 * These hooks are used by atomic helpers to create, swap and destroy states of
205 * added to the atomic states is expected to have an implementation of these
218 * Duplicated atomic state or NULL when obj->state is not
245 * struct drm_private_obj - base struct for driver private atomic object
299 * @state: Current atomic state for this driver private object.
[all …]
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| D | drm_crtc.h | 99 * &drm_mode_config_funcs.atomic_check callback to reject an atomic
108 * @planes_changed: Planes on this crtc are updated. Used by the atomic
109 * helpers and drivers to steer the atomic commit control flow.
114 * @mode_changed: @mode or @enable has been changed. Used by the atomic
115 * helpers and drivers to steer the atomic commit control flow. See also
126 * @active_changed: @active has been toggled. Used by the atomic
127 * helpers and drivers to steer the atomic commit control flow. See also
134 * either in their state or routing. Used by the atomic
135 * helpers and drivers to steer the atomic commit control flow. See also
138 * Drivers are supposed to set this as-needed from their own atomic
[all …]
|
| /kernel/linux/linux-5.10/Documentation/core-api/ |
| D | atomic_ops.rst | 2 Semantics and Behavior of Atomic and Bitmask Operations
8 maintainers on how to implement atomic counter, bitops, and spinlock
11 Atomic Type And Operations
41 The initializer is atomic in that the return values of the atomic operations
62 The setting is atomic in that the return values of the atomic operations by
73 The read is atomic in that the return value is guaranteed to be one of the
180 locks, or atomic operations if variable a can change at runtime!
186 Now, we move onto the atomic operation interfaces typically implemented with
215 and after the atomic operation calls are strongly ordered with respect
216 to the atomic operation itself.
[all …]
|
| /kernel/linux/linux-6.6/scripts/atomic/ |
| D | gen-atomics.sh | 4 # Generate atomic headers
11 gen-atomic-instrumented.sh linux/atomic/atomic-instrumented.h
12 gen-atomic-long.sh linux/atomic/atomic-long.h
13 gen-atomic-fallback.sh linux/atomic/atomic-arch-fallback.h
|
| /kernel/linux/linux-5.10/arch/riscv/include/asm/ |
| D | atomic.h | 50 * First, the atomic ops that have no ordering constraints and therefor don't
56 void atomic##prefix##_##op(c_type i, atomic##prefix##_t *v) \
84 * Atomic ops that have ordered, relaxed, acquire, and release variants. in ATOMIC_OPS()
90 c_type atomic##prefix##_fetch_##op##_relaxed(c_type i, \ in ATOMIC_OPS()
91 atomic##prefix##_t *v) \ in ATOMIC_OPS()
102 c_type atomic##prefix##_fetch_##op(c_type i, atomic##prefix##_t *v) \
115 c_type atomic##prefix##_##op##_return_relaxed(c_type i, \
116 atomic##prefix##_t *v) \
118 return atomic##prefix##_fetch_##op##_relaxed(i, v) c_op I; \
121 c_type atomic##prefix##_##op##_return(c_type i, atomic##prefix##_t *v) \
[all …]
|
| /kernel/linux/linux-5.10/scripts/atomic/ |
| D | gen-atomic-instrumented.sh | 6 . ${ATOMICDIR}/atomic-tbl.sh
25 # An atomic RMW: if this parameter is not a constant, and this atomic is
44 # gen_guard(meta, atomic, pfx, name, sfx, order)
48 local atomic="$1"; shift
54 local atomicname="arch_${atomic}_${pfx}${name}${sfx}${order}"
58 # We definitely need a preprocessor symbol for this atomic if it is an
72 #gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
80 local atomic="$1"; shift
83 local atomicname="${atomic}_${pfx}${name}${sfx}${order}"
85 local guard="$(gen_guard "${meta}" "${atomic}" "${pfx}" "${name}" "${sfx}" "${order}")"
[all …]
|
| D | gen-atomic-long.sh | 6 . ${ATOMICDIR}/atomic-tbl.sh
8 #gen_cast(arg, int, atomic)
13 local atomic="$1"; shift
17 printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"
20 #gen_args_cast(int, atomic, arg...)
24 local atomic="$1"; shift
27 local cast="$(gen_cast "$1" "${int}" "${atomic}")"
35 #gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
40 local atomic="$1"; shift
45 local argscast="$(gen_args_cast "${int}" "${atomic}" "$@")"
[all …]
|
| D | gen-atomics.sh | 4 # Generate atomic headers
11 gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h
12 gen-atomic-long.sh asm-generic/atomic-long.h
13 gen-atomic-fallback.sh linux/atomic-arch-fallback.h arch_
14 gen-atomic-fallback.sh linux/atomic-fallback.h
|
| /kernel/linux/linux-6.6/include/linux/atomic/ |
| D | atomic-instrumented.h | 3 // Generated by scripts/atomic/gen-atomic-instrumented.sh
7 * This file provoides atomic operations with explicit instrumentation (e.g.
20 * atomic_read() - atomic load with relaxed ordering
37 * atomic_read_acquire() - atomic load with acquire ordering
54 * atomic_set() - atomic set with relaxed ordering
72 * atomic_set_release() - atomic set with release ordering
91 * atomic_add() - atomic add with relaxed ordering
109 * atomic_add_return() - atomic add with full ordering
128 * atomic_add_return_acquire() - atomic add with acquire ordering
146 * atomic_add_return_release() - atomic add with release ordering
[all …]
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| D | atomic-long.h | 3 // Generated by scripts/atomic/gen-atomic-long.sh
25 * raw_atomic_long_read() - atomic load with relaxed ordering
45 * raw_atomic_long_read_acquire() - atomic load with acquire ordering
65 * raw_atomic_long_set() - atomic set with relaxed ordering
86 * raw_atomic_long_set_release() - atomic set with release ordering
107 * raw_atomic_long_add() - atomic add with relaxed ordering
128 * raw_atomic_long_add_return() - atomic add with full ordering
149 * raw_atomic_long_add_return_acquire() - atomic add with acquire ordering
170 * raw_atomic_long_add_return_release() - atomic add with release ordering
191 * raw_atomic_long_add_return_relaxed() - atomic add with relaxed ordering
[all …]
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| D | atomic-arch-fallback.h | 3 // Generated by scripts/atomic/gen-atomic-fallback.sh
432 * raw_atomic_read() - atomic load with relaxed ordering
448 * raw_atomic_read_acquire() - atomic load with acquire ordering
477 * raw_atomic_set() - atomic set with relaxed ordering
494 * raw_atomic_set_release() - atomic set with release ordering
520 * raw_atomic_add() - atomic add with relaxed ordering
537 * raw_atomic_add_return() - atomic add with full ordering
564 * raw_atomic_add_return_acquire() - atomic add with acquire ordering
591 * raw_atomic_add_return_release() - atomic add with release ordering
617 * raw_atomic_add_return_relaxed() - atomic add with relaxed ordering
[all …]
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| /kernel/liteos_a/arch/arm/arm/include/ |
| D | los_atomic.h | 33 * @defgroup los_atomic Atomic
48 typedef volatile INT32 Atomic; typedef
53 * @brief Atomic read.
56 * This API is used to implement the atomic read and return the result value of the read.
69 STATIC INLINE INT32 LOS_AtomicRead(const Atomic *v) in LOS_AtomicRead()
76 * @brief Atomic setting.
79 * This API is used to implement the atomic setting operation.
93 STATIC INLINE VOID LOS_AtomicSet(Atomic *v, INT32 setVal) in LOS_AtomicSet()
100 * @brief Atomic addition.
103 * This API is used to implement the atomic addition and return the result value of the augend.
[all …]
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| /kernel/linux/linux-5.10/lib/ |
| D | dec_and_lock.c | 4 #include <linux/atomic.h>
12 * if (atomic_dec_and_test(&atomic)) {
19 * "atomic".
21 int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock) in _atomic_dec_and_lock() argument
24 if (atomic_add_unless(atomic, -1, 1)) in _atomic_dec_and_lock()
29 if (atomic_dec_and_test(atomic)) in _atomic_dec_and_lock()
37 int _atomic_dec_and_lock_irqsave(atomic_t *atomic, spinlock_t *lock, in _atomic_dec_and_lock_irqsave() argument
41 if (atomic_add_unless(atomic, -1, 1)) in _atomic_dec_and_lock_irqsave()
46 if (atomic_dec_and_test(atomic)) in _atomic_dec_and_lock_irqsave()
|
| /kernel/linux/linux-6.6/Documentation/ |
| D | atomic_bitops.txt | 2 Atomic bitops
5 While our bitmap_{}() functions are non-atomic, we have a number of operations
6 operating on single bits in a bitmap that are atomic.
18 RMW atomic operations without return value:
23 RMW atomic operations with return value:
33 All RMW atomic operations have a '__' prefixed variant which is non-atomic.
39 Non-atomic ops:
67 Since a platform only has a single means of achieving atomic operations
|
| /kernel/linux/linux-5.10/Documentation/ |
| D | atomic_bitops.txt | 2 Atomic bitops
5 While our bitmap_{}() functions are non-atomic, we have a number of operations
6 operating on single bits in a bitmap that are atomic.
18 RMW atomic operations without return value:
23 RMW atomic operations with return value:
33 All RMW atomic operations have a '__' prefixed variant which is non-atomic.
39 Non-atomic ops:
69 Since a platform only has a single means of achieving atomic operations
|
| D | atomic_t.txt | 2 On atomic types (atomic_t atomic64_t and atomic_long_t).
4 The atomic type provides an interface to the architecture's means of atomic
5 RMW operations between CPUs (atomic operations on MMIO are not supported and
20 RMW atomic operations:
67 Therefore, an explicitly unsigned variant of the atomic ops is strictly
91 C Atomic-RMW-ops-are-atomic-WRT-atomic_set
118 The obvious case where this is not so is when we need to implement atomic ops
155 All these operations are SMP atomic; that is, the operations (for a single
156 atomic variable) can be fully ordered and no intermediate state is lost or
192 only apply to the RMW atomic ops and can be used to augment/upgrade the
[all …]
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| /kernel/liteos_m/arch/arm/cortex-m33/gcc/NTZ/ |
| D | los_arch_atomic.h | 44 STATIC INLINE INT32 ArchAtomicRead(const Atomic *v) in ArchAtomicRead()
56 STATIC INLINE VOID ArchAtomicSet(Atomic *v, INT32 setVal) in ArchAtomicSet()
69 STATIC INLINE INT32 ArchAtomicAdd(Atomic *v, INT32 addVal) in ArchAtomicAdd()
86 STATIC INLINE INT32 ArchAtomicSub(Atomic *v, INT32 subVal) in ArchAtomicSub()
103 STATIC INLINE VOID ArchAtomicInc(Atomic *v) in ArchAtomicInc()
108 STATIC INLINE VOID ArchAtomicDec(Atomic *v) in ArchAtomicDec()
113 STATIC INLINE INT32 ArchAtomicIncRet(Atomic *v) in ArchAtomicIncRet()
118 STATIC INLINE INT32 ArchAtomicDecRet(Atomic *v) in ArchAtomicDecRet()
125 * @brief Atomic exchange for 32-bit variable.
128 * This API is used to implement the atomic exchange for 32-bit variable
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| /kernel/liteos_m/arch/arm/cortex-m4/iar/ |
| D | los_arch_atomic.h | 44 STATIC INLINE INT32 ArchAtomicRead(const Atomic *v) in ArchAtomicRead()
56 STATIC INLINE VOID ArchAtomicSet(Atomic *v, INT32 setVal) in ArchAtomicSet()
69 STATIC INLINE INT32 ArchAtomicAdd(Atomic *v, INT32 addVal) in ArchAtomicAdd()
86 STATIC INLINE INT32 ArchAtomicSub(Atomic *v, INT32 subVal) in ArchAtomicSub()
103 STATIC INLINE VOID ArchAtomicInc(Atomic *v) in ArchAtomicInc()
108 STATIC INLINE VOID ArchAtomicDec(Atomic *v) in ArchAtomicDec()
113 STATIC INLINE INT32 ArchAtomicIncRet(Atomic *v) in ArchAtomicIncRet()
118 STATIC INLINE INT32 ArchAtomicDecRet(Atomic *v) in ArchAtomicDecRet()
125 * @brief Atomic exchange for 32-bit variable.
128 * This API is used to implement the atomic exchange for 32-bit variable
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| /kernel/liteos_m/arch/arm/cortex-m55/iar/NTZ/ |
| D | los_arch_atomic.h | 44 STATIC INLINE INT32 ArchAtomicRead(const Atomic *v) in ArchAtomicRead()
56 STATIC INLINE VOID ArchAtomicSet(Atomic *v, INT32 setVal) in ArchAtomicSet()
69 STATIC INLINE INT32 ArchAtomicAdd(Atomic *v, INT32 addVal) in ArchAtomicAdd()
86 STATIC INLINE INT32 ArchAtomicSub(Atomic *v, INT32 subVal) in ArchAtomicSub()
103 STATIC INLINE VOID ArchAtomicInc(Atomic *v) in ArchAtomicInc()
108 STATIC INLINE VOID ArchAtomicDec(Atomic *v) in ArchAtomicDec()
113 STATIC INLINE INT32 ArchAtomicIncRet(Atomic *v) in ArchAtomicIncRet()
118 STATIC INLINE INT32 ArchAtomicDecRet(Atomic *v) in ArchAtomicDecRet()
125 * @brief Atomic exchange for 32-bit variable.
128 * This API is used to implement the atomic exchange for 32-bit variable
[all …]
|