fio: ioengine flag cleanup

[fio.git] / arch / arch.h

diff --git a/arch/arch.h b/arch/arch.h
index c4c0ef7f7d945eeff53be00e6fc9dcc9338d6b66..7e294ddfb888c73baceded2ad0bcb0c3d4b1d2ad 100644 (file)
--- a/arch/arch.h
+++ b/arch/arch.h
@@ -1,11 +1,17 @@
 #ifndef ARCH_H
 #define ARCH_H
 
-#define BITS_PER_LONG  __WORDSIZE
+#ifdef __cplusplus
+#include <atomic>
+#else
+#include <stdatomic.h>
+#endif
+
+#include "../lib/types.h"
 
 enum {
-       arch_x86_64,
-       arch_i386,
+       arch_x86_64 = 1,
+       arch_x86,
        arch_ppc,
        arch_ia64,
        arch_s390,
@@ -13,13 +19,65 @@ enum {
        arch_sparc,
        arch_sparc64,
        arch_arm,
+       arch_sh,
+       arch_hppa,
+       arch_mips,
+       arch_aarch64,
+       arch_loongarch64,
+       arch_riscv64,
+
+       arch_generic,
+
+       arch_nr,
 };
 
+enum {
+       ARCH_FLAG_1     = 1 << 0,
+       ARCH_FLAG_2     = 1 << 1,
+       ARCH_FLAG_3     = 1 << 2,
+       ARCH_FLAG_4     = 1 << 3,
+};
+
+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__)
 #include "arch-x86_64.h"
-#elif defined(__powerpc__) || defined(__powerpc64__)
+#elif defined(__powerpc__) || defined(__powerpc64__) || defined(__ppc__)
 #include "arch-ppc.h"
 #elif defined(__ia64__)
 #include "arch-ia64.h"
@@ -35,14 +93,64 @@ enum {
 #include "arch-arm.h"
 #elif defined(__mips__) || defined(__mips64__)
 #include "arch-mips.h"
+#elif defined(__sh__)
+#include "arch-sh.h"
+#elif defined(__hppa__)
+#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
-#error "Unsupported arch"
+#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
 
-#ifdef ARCH_HAVE_FFZ
-#define ffz(bitmask)   arch_ffz(bitmask)
-#else
 #include "../lib/ffz.h"
+/* IWYU pragma: end_exports */
+
+#ifndef ARCH_HAVE_INIT
+static inline int arch_init(char *envp[])
+{
+       return 0;
+}
 #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