X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos-linux.h;h=ba58bf7d962380413f15441d259eea8573f3c26e;hb=b532dd6d476679b08e4a56a60e8a7dd958779df9;hp=8c1e93be067c9e0cd702ed23b4e8baba5a7f5ef7;hpb=bd553af6c8498deb87d666b7fa6d5750498a2c1b;p=fio.git

diff --git a/os/os-linux.h b/os/os-linux.h
index 8c1e93be..ba58bf7d 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -19,8 +19,14 @@
 #include <linux/fs.h>
 #include <scsi/sg.h>
 
+#ifdef ARCH_HAVE_CRC_CRYPTO
+#include <sys/auxv.h>
+#ifndef HWCAP_CRC32
+#define HWCAP_CRC32             (1 << 7)
+#endif /* HWCAP_CRC32 */
+#endif /* ARCH_HAVE_CRC_CRYPTO */
+
 #include "./os-linux-syscall.h"
-#include "binject.h"
 #include "../file.h"
 
 #ifndef __has_builtin         // Optional of course.
@@ -41,7 +47,6 @@
 #define FIO_HAVE_CGROUPS
 #define FIO_HAVE_FS_STAT
 #define FIO_HAVE_TRIM
-#define FIO_HAVE_BINJECT
 #define FIO_HAVE_GETTID
 #define FIO_USE_GENERIC_INIT_RANDOM_STATE
 #define FIO_HAVE_PWRITEV2
@@ -55,8 +60,6 @@
 
 typedef cpu_set_t os_cpu_mask_t;
 
-typedef struct drand48_data os_random_state_t;
-
 #ifdef CONFIG_3ARG_AFFINITY
 #define fio_setaffinity(pid, cpumask)		\
 	sched_setaffinity((pid), sizeof(cpumask), &(cpumask))
@@ -71,7 +74,7 @@ typedef struct drand48_data os_random_state_t;
 
 #define fio_cpu_clear(mask, cpu)	(void) CPU_CLR((cpu), (mask))
 #define fio_cpu_set(mask, cpu)		(void) CPU_SET((cpu), (mask))
-#define fio_cpu_isset(mask, cpu)	CPU_ISSET((cpu), (mask))
+#define fio_cpu_isset(mask, cpu)	(CPU_ISSET((cpu), (mask)) != 0)
 #define fio_cpu_count(mask)		CPU_COUNT((mask))
 
 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
@@ -165,19 +168,6 @@ static inline unsigned long long os_phys_mem(void)
 	return (unsigned long long) pages * (unsigned long long) pagesize;
 }
 
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
-{
-	srand48_r(seed, rs);
-}
-
-static inline long os_random_long(os_random_state_t *rs)
-{
-	long val;
-
-	lrand48_r(rs, &val);
-	return val;
-}
-
 static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
 {
 	struct raw_config_request rq;
@@ -281,7 +271,7 @@ static inline unsigned long long get_fs_free_size(const char *path)
 	return ret;
 }
 
-static inline int os_trim(int fd, unsigned long long start,
+static inline int os_trim(struct fio_file *f, unsigned long long start,
 			  unsigned long long len)
 {
 	uint64_t range[2];
@@ -289,7 +279,7 @@ static inline int os_trim(int fd, unsigned long long start,
 	range[0] = start;
 	range[1] = len;
 
-	if (!ioctl(fd, BLKDISCARD, range))
+	if (!ioctl(f->fd, BLKDISCARD, range))
 		return 0;
 
 	return errno;
@@ -392,4 +382,42 @@ static inline int shm_attach_to_open_removed(void)
 	return 1;
 }
 
+#ifdef CONFIG_LINUX_FALLOCATE
+#define FIO_HAVE_NATIVE_FALLOCATE
+static inline bool fio_fallocate(struct fio_file *f, uint64_t offset,
+				 uint64_t len)
+{
+	int ret;
+	ret = fallocate(f->fd, 0, offset, len);
+	if (ret == 0)
+		return true;
+
+	/* Work around buggy old glibc versions... */
+	if (ret > 0)
+		errno = ret;
+
+	return false;
+}
+#endif
+
+#define FIO_HAVE_CPU_HAS
+static inline bool os_cpu_has(cpu_features feature)
+{
+	bool have_feature;
+	unsigned long fio_unused hwcap;
+
+	switch (feature) {
+#ifdef ARCH_HAVE_CRC_CRYPTO
+	case CPU_ARM64_CRC32C:
+		hwcap = getauxval(AT_HWCAP);
+		have_feature = (hwcap & HWCAP_CRC32) != 0;
+		break;
+#endif
+	default:
+		have_feature = false;
+	}
+
+	return have_feature;
+}
+
 #endif