X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-linux.h;h=2b35f346217e88205c6022d87390ac577cb54602;hp=70c993b5de61d449051cfff989482a728cdfd2ad;hb=f5fd0b1cd383c4a3cb8fb5078b7e93aecba8847e;hpb=d9a7ba88af39b1047c9f8c077280932cd12cb58e

diff --git a/os/os-linux.h b/os/os-linux.h
index 70c993b5..2b35f346 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -1,6 +1,8 @@
 #ifndef FIO_OS_LINUX_H
 #define FIO_OS_LINUX_H
 
+#define	FIO_OS	os_linux
+
 #include <sys/ioctl.h>
 #include <sys/uio.h>
 #include <sys/syscall.h>
@@ -12,6 +14,8 @@
 #include <linux/unistd.h>
 #include <linux/raw.h>
 #include <linux/major.h>
+#include <linux/version.h>
+#include <endian.h>
 
 #include "indirect.h"
 #include "binject.h"
@@ -31,7 +35,6 @@
 #define FIO_HAVE_RAWBIND
 #define FIO_HAVE_BLKTRACE
 #define FIO_HAVE_STRSEP
-#define FIO_HAVE_FALLOCATE
 #define FIO_HAVE_POSIXAIO_FSYNC
 #define FIO_HAVE_PSHARED_MUTEX
 #define FIO_HAVE_CL_SIZE
@@ -41,6 +44,28 @@
 #define FIO_HAVE_TRIM
 #define FIO_HAVE_BINJECT
 #define FIO_HAVE_CLOCK_MONOTONIC
+#define FIO_HAVE_GETTID
+#define FIO_USE_GENERIC_INIT_RANDOM_STATE
+#define FIO_HAVE_E4_ENG
+
+/*
+ * Can only enable this for newer glibcs, or the header and defines are
+ * missing
+ */
+#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 6
+#define FIO_HAVE_FALLOCATE
+#endif
+#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 8
+#define FIO_HAVE_LINUX_FALLOCATE
+#endif
+
+#ifdef FIO_HAVE_LINUX_FALLOCATE
+#define FIO_HAVE_FALLOC_ENG
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define FIO_HAVE_RUSAGE_THREAD
+#endif
 
 #ifdef SYNC_FILE_RANGE_WAIT_BEFORE
 #define FIO_HAVE_SYNC_FILE_RANGE
@@ -80,8 +105,8 @@ typedef struct drand48_data os_random_state_t;
 	sched_getaffinity((pid), (ptr))
 #endif
 
-#define fio_cpu_clear(mask, cpu)	CPU_CLR((cpu), (mask))
-#define fio_cpu_set(mask, cpu)		CPU_SET((cpu), (mask))
+#define fio_cpu_clear(mask, cpu)	(void) CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu)		(void) CPU_SET((cpu), (mask))
 
 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
 {
@@ -101,6 +126,11 @@ static inline int ioprio_set(int which, int who, int ioprio)
 	return syscall(__NR_ioprio_set, which, who, ioprio);
 }
 
+static inline int gettid(void)
+{
+	return syscall(__NR_gettid);
+}
+
 /*
  * Just check for SPLICE_F_MOVE, if that isn't there, assume the others
  * aren't either.
@@ -272,6 +302,18 @@ static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
 #define FIO_MADV_FREE	MADV_REMOVE
 #endif
 
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define FIO_LITTLE_ENDIAN
+#elif __BYTE_ORDER == __BIG_ENDIAN
+#define FIO_BIG_ENDIAN
+#else
+#error "Unknown endianness"
+#endif
+
+#define fio_swap16(x)	__bswap_16(x)
+#define fio_swap32(x)	__bswap_32(x)
+#define fio_swap64(x)	__bswap_64(x)
+
 #define CACHE_LINE_FILE	\
 	"/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"