From 1aec627c60fe9efc3313e553cef389adda08e7b4 Mon Sep 17 00:00:00 2001 From: Rob Norris Date: Fri, 1 Aug 2025 08:51:47 +1000 Subject: [PATCH] linux/atomic: fill out API for atomic pointer ops Sponsored-by: Klara, Inc. Sponsored-by: Wasabi Technology, Inc. Reviewed-by: Brian Behlendorf Reviewed-by: Alexander Motin Signed-off-by: Rob Norris Closes #17580 --- include/os/linux/spl/sys/atomic.h | 32 +++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/include/os/linux/spl/sys/atomic.h b/include/os/linux/spl/sys/atomic.h index b2a39d7d6..f4bcd58bd 100644 --- a/include/os/linux/spl/sys/atomic.h +++ b/include/os/linux/spl/sys/atomic.h @@ -71,6 +71,22 @@ atomic_cas_ptr(volatile void *target, void *cmp, void *newval) return ((void *)atomic_cas_64((volatile uint64_t *)target, (uint64_t)cmp, (uint64_t)newval)); } +static __inline__ void * +atomic_swap_ptr(volatile void *target, void *newval) +{ + return ((void *)atomic_swap_64((volatile uint64_t *)target, + (uint64_t)newval)); +} +static __inline__ void * +atomic_load_ptr(volatile void *target) +{ + return ((void *)atomic_load_64((volatile uint64_t *)target)); +} +static __inline__ void +atomic_store_ptr(volatile void *target, void *newval) +{ + atomic_store_64((volatile uint64_t *)target, (uint64_t)newval); +} #else /* _LP64 */ static __inline__ void * atomic_cas_ptr(volatile void *target, void *cmp, void *newval) @@ -78,6 +94,22 @@ atomic_cas_ptr(volatile void *target, void *cmp, void *newval) return ((void *)atomic_cas_32((volatile uint32_t *)target, (uint32_t)cmp, (uint32_t)newval)); } +static __inline__ void * +atomic_swap_ptr(volatile void *target, void *newval) +{ + return ((void *)atomic_swap_32((volatile uint32_t *)target, + (uint32_t)newval)); +} +static __inline__ void * +atomic_load_ptr(volatile void *target) +{ + return ((void *)atomic_load_32((volatile uint32_t *)target)); +} +static __inline__ void +atomic_store_ptr(volatile void *target, void *newval) +{ + atomic_store_32((volatile uint32_t *)target, (uint32_t)newval); +} #endif /* _LP64 */ #endif /* _SPL_ATOMIC_H */ -- 2.43.0