X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-linux.h;h=01140e0d1ba0009942ec1913125324576c329de6;hp=c0f5327637bae11d572aacd315f5b018f2aa6ec3;hb=c36d16f5a0b9e3d505c9933bbbdccdb519ca4faf;hpb=2b52511f3f595e0932e7f9c55bed243e8fe0f4f8

diff --git a/os/os-linux.h b/os/os-linux.h
index c0f53276..01140e0d 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -6,6 +6,8 @@
 #include <sys/syscall.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <errno.h>
+#include <sched.h>
 #include <linux/unistd.h>
 #include <linux/raw.h>
 #include <linux/major.h>
@@ -28,6 +30,10 @@
 #define FIO_HAVE_STRSEP
 #define FIO_HAVE_FALLOCATE
 #define FIO_HAVE_POSIXAIO_FSYNC
+#define FIO_HAVE_PSHARED_MUTEX
+#define FIO_HAVE_CL_SIZE
+#define FIO_HAVE_CGROUPS
+#define FIO_HAVE_FDATASYNC
 
 #define OS_MAP_ANON		MAP_ANONYMOUS
 
@@ -35,11 +41,8 @@
 #define CLOCK_MONOTONIC 1
 #endif
 
-#ifdef FIO_HAVE_CPU_AFFINITY
 typedef cpu_set_t os_cpu_mask_t;
-#else
-typedef int os_cpu_mask_t;
-#endif
+
 typedef struct drand48_data os_random_state_t;
 
 /*
@@ -54,19 +57,33 @@ typedef struct drand48_data os_random_state_t;
  * If you are on an ancient glibc (2.3.2), then define GLIBC_2_3_2 if you want
  * the affinity helpers to work.
  */
-#ifdef FIO_HAVE_CPU_AFFINITY
 #ifndef GLIBC_2_3_2
-#define fio_setaffinity(td)		\
-	sched_setaffinity((td)->pid, sizeof((td)->o.cpumask), &(td)->o.cpumask)
+#define fio_setaffinity(pid, cpumask)		\
+	sched_setaffinity((pid), sizeof(cpumask), &(cpumask))
 #define fio_getaffinity(pid, ptr)	\
 	sched_getaffinity((pid), sizeof(cpu_set_t), (ptr))
 #else
-#define fio_setaffinity(td)		\
-	sched_setaffinity((td)->pid, &(td)->o.cpumask)
+#define fio_setaffinity(pid, cpumask)	\
+	sched_setaffinity((pid), &(cpumask))
 #define fio_getaffinity(pid, ptr)	\
 	sched_getaffinity((pid), (ptr))
 #endif
-#endif
+
+#define fio_cpu_clear(mask, cpu)	CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu)		CPU_SET((cpu), (mask))
+
+static inline int fio_cpuset_init(os_cpu_mask_t *mask)
+{
+	CPU_ZERO(mask);
+	return 0;
+}
+
+static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
+{
+	return 0;
+}
+
+#define FIO_MAX_CPUS			CPU_SETSIZE
 
 static inline int ioprio_set(int which, int who, int ioprio)
 {
@@ -236,4 +253,30 @@ static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
 #define FIO_O_NOATIME	0
 #endif
 
+#ifdef MADV_REMOVE
+#define FIO_MADV_FREE	MADV_REMOVE
+#endif
+
+#define CACHE_LINE_FILE	\
+	"/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"
+
+static inline int arch_cache_line_size(void)
+{
+	char size[32];
+	int fd, ret;
+
+	fd = open(CACHE_LINE_FILE, O_RDONLY);
+	if (fd < 0)
+		return -1;
+
+	ret = read(fd, size, sizeof(size));
+
+	close(fd);
+
+	if (ret <= 0)
+		return -1;
+	else
+		return atoi(size);
+}
+
 #endif