X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=arch%2Farch.h;h=30c0d2056d3eaa7abcffd5cd703f698d99790edd;hp=4fb9b518085aeeae06a390874ee35346ad5ef9b7;hb=HEAD;hpb=e6fe02651641fc64d2fa4fcfe9b1013b2947d11b

diff --git a/arch/arch.h b/arch/arch.h
index 4fb9b518..7e294ddf 100644
--- a/arch/arch.h
+++ b/arch/arch.h
@@ -1,6 +1,12 @@
 #ifndef ARCH_H
 #define ARCH_H
 
+#ifdef __cplusplus
+#include <atomic>
+#else
+#include <stdatomic.h>
+#endif
+
 #include "../lib/types.h"
 
 enum {
@@ -17,6 +23,8 @@ enum {
 	arch_hppa,
 	arch_mips,
 	arch_aarch64,
+	arch_loongarch64,
+	arch_riscv64,
 
 	arch_generic,
 
@@ -34,6 +42,37 @@ extern unsigned long arch_flags;
 
 #define ARCH_CPU_CLOCK_WRAPS
 
+#ifdef __cplusplus
+#define atomic_add(p, v)						\
+	std::atomic_fetch_add(p, (v))
+#define atomic_sub(p, v)						\
+	std::atomic_fetch_sub(p, (v))
+#define atomic_load_relaxed(p)					\
+	std::atomic_load_explicit(p,				\
+			     std::memory_order_relaxed)
+#define atomic_load_acquire(p)					\
+	std::atomic_load_explicit(p,				\
+			     std::memory_order_acquire)
+#define atomic_store_release(p, v)				\
+	std::atomic_store_explicit(p, (v),			\
+			     std::memory_order_release)
+#else
+#define atomic_add(p, v)					\
+	atomic_fetch_add((_Atomic typeof(*(p)) *)(p), v)
+#define atomic_sub(p, v)					\
+	atomic_fetch_sub((_Atomic typeof(*(p)) *)(p), v)
+#define atomic_load_relaxed(p)					\
+	atomic_load_explicit((_Atomic typeof(*(p)) *)(p),	\
+			     memory_order_relaxed)
+#define atomic_load_acquire(p)					\
+	atomic_load_explicit((_Atomic typeof(*(p)) *)(p),	\
+			     memory_order_acquire)
+#define atomic_store_release(p, v)				\
+	atomic_store_explicit((_Atomic typeof(*(p)) *)(p), (v),	\
+			      memory_order_release)
+#endif
+
+/* IWYU pragma: begin_exports */
 #if defined(__i386__)
 #include "arch-x86.h"
 #elif defined(__x86_64__)
@@ -60,12 +99,24 @@ extern unsigned long arch_flags;
 #include "arch-hppa.h"
 #elif defined(__aarch64__)
 #include "arch-aarch64.h"
+#elif defined(__loongarch64)
+#include "arch-loongarch64.h"
+#elif defined(__riscv) && __riscv_xlen == 64
+#include "arch-riscv64.h"
 #else
 #warning "Unknown architecture, attempting to use generic model."
 #include "arch-generic.h"
 #endif
 
+#if !defined(__x86_64__) && defined(CONFIG_SYNC_SYNC)
+static inline void tsc_barrier(void)
+{
+	__sync_synchronize();
+}
+#endif
+
 #include "../lib/ffz.h"
+/* IWYU pragma: end_exports */
 
 #ifndef ARCH_HAVE_INIT
 static inline int arch_init(char *envp[])
@@ -74,4 +125,32 @@ static inline int arch_init(char *envp[])
 }
 #endif
 
+#ifdef __alpha__
+/*
+ * alpha is the only exception, all other architectures
+ * have common numbers for new system calls.
+ */
+# ifndef __NR_io_uring_setup
+#  define __NR_io_uring_setup		535
+# endif
+# ifndef __NR_io_uring_enter
+#  define __NR_io_uring_enter		536
+# endif
+# ifndef __NR_io_uring_register
+#  define __NR_io_uring_register	537
+# endif
+#else /* !__alpha__ */
+# ifndef __NR_io_uring_setup
+#  define __NR_io_uring_setup		425
+# endif
+# ifndef __NR_io_uring_enter
+#  define __NR_io_uring_enter		426
+# endif
+# ifndef __NR_io_uring_register
+#  define __NR_io_uring_register	427
+# endif
+#endif
+
+#define ARCH_HAVE_IOURING
+
 #endif