X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos-android.h;h=18eb39ce052884b58dedc2f8f7a256281ab8aa95;hb=1ae82d673cf5e704b93da56655f6189f43a1592e;hp=acb19a8adea70d9c150a4554a83d1bcd1ee7e6f9;hpb=62720129955be364c937534fe98024403ce5ba19;p=fio.git

diff --git a/os/os-android.h b/os/os-android.h
index acb19a8a..18eb39ce 100644
--- a/os/os-android.h
+++ b/os/os-android.h
@@ -7,6 +7,7 @@
 #include <sys/mman.h>
 #include <sys/uio.h>
 #include <sys/syscall.h>
+#include <sys/sysmacros.h>
 #include <sys/vfs.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -17,7 +18,6 @@
 #include <asm/byteorder.h>
 
 #include "./os-linux-syscall.h"
-#include "binject.h"
 #include "../file.h"
 
 #ifndef __has_builtin         // Optional of course.
@@ -32,6 +32,7 @@
 #define FIO_HAVE_HUGETLB
 #define FIO_HAVE_BLKTRACE
 #define FIO_HAVE_CL_SIZE
+#define FIO_HAVE_CGROUPS
 #define FIO_HAVE_FS_STAT
 #define FIO_HAVE_TRIM
 #define FIO_HAVE_GETTID
@@ -57,6 +58,12 @@
 #define MAP_HUGETLB 0x40000 /* arch specific */
 #endif
 
+#ifdef CONFIG_PTHREAD_GETAFFINITY
+#define FIO_HAVE_GET_THREAD_AFFINITY
+#define fio_get_thread_affinity(mask)	\
+	pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
+#endif
+
 #ifndef CONFIG_NO_SHM
 /*
  * Bionic doesn't support SysV shared memeory, so implement it using ashmem
@@ -64,11 +71,15 @@
 #include <stdio.h>
 #include <linux/ashmem.h>
 #include <linux/shm.h>
+#include <android/api-level.h>
+#if __ANDROID_API__ >= __ANDROID_API_O__
+#include <android/sharedmem.h>
+#else
+#define ASHMEM_DEVICE	"/dev/ashmem"
+#endif
 #define shmid_ds shmid64_ds
 #define SHM_HUGETLB    04000
 
-#define ASHMEM_DEVICE	"/dev/ashmem"
-
 static inline int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf)
 {
 	int ret=0;
@@ -82,6 +93,16 @@ static inline int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf)
 	return ret;
 }
 
+#if __ANDROID_API__ >= __ANDROID_API_O__
+static inline int shmget(key_t __key, size_t __size, int __shmflg)
+{
+	char keybuf[11];
+
+	sprintf(keybuf, "%d", __key);
+
+	return ASharedMemory_create(keybuf, __size + sizeof(uint64_t));
+}
+#else
 static inline int shmget(key_t __key, size_t __size, int __shmflg)
 {
 	int fd,ret;
@@ -96,7 +117,8 @@ static inline int shmget(key_t __key, size_t __size, int __shmflg)
 	if (ret < 0)
 		goto error;
 
-	ret = ioctl(fd, ASHMEM_SET_SIZE, __size);
+	/* Stores size in first 8 bytes, allocate extra space */
+	ret = ioctl(fd, ASHMEM_SET_SIZE, __size + sizeof(uint64_t));
 	if (ret < 0)
 		goto error;
 
@@ -106,22 +128,24 @@ error:
 	close(fd);
 	return ret;
 }
+#endif
 
 static inline void *shmat(int __shmid, const void *__shmaddr, int __shmflg)
 {
-	size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
-	ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0);
-	*ptr = size;    //save size at beginning of buffer, for use with munmap
-	return &ptr[1];
+	size_t size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
+	/* Needs to be 8-byte aligned to prevent SIGBUS on 32-bit ARM */
+	uint64_t *ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0);
+	/* Save size at beginning of buffer, for use with munmap */
+	*ptr = size;
+	return ptr + 1;
 }
 
 static inline int shmdt (const void *__shmaddr)
 {
-	size_t *ptr, size;
-	ptr = (size_t *)__shmaddr;
-	ptr--;
-	size = *ptr;    //find mmap size which we stored at the beginning of the buffer
-	return munmap((void *)ptr, size + sizeof(size_t));
+	/* Find mmap size which we stored at the beginning of the buffer */
+	uint64_t *ptr = (uint64_t *)__shmaddr - 1;
+	size_t size = *ptr;
+	return munmap(ptr, size);
 }
 #endif
 
@@ -149,16 +173,26 @@ enum {
 #define IOPRIO_MIN_PRIO_CLASS	0
 #define IOPRIO_MAX_PRIO_CLASS	3
 
-static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+static inline int ioprio_value(int ioprio_class, int ioprio)
 {
 	/*
 	 * If no class is set, assume BE
 	 */
-	if (!ioprio_class)
-		ioprio_class = IOPRIO_CLASS_BE;
+        if (!ioprio_class)
+                ioprio_class = IOPRIO_CLASS_BE;
+
+	return (ioprio_class << IOPRIO_CLASS_SHIFT) | ioprio;
+}
+
+static inline bool ioprio_value_is_class_rt(unsigned int priority)
+{
+	return (priority >> IOPRIO_CLASS_SHIFT) == IOPRIO_CLASS_RT;
+}
 
-	ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
-	return syscall(__NR_ioprio_set, which, who, ioprio);
+static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+{
+	return syscall(__NR_ioprio_set, which, who,
+		       ioprio_value(ioprio_class, ioprio));
 }
 
 #ifndef BLKGETSIZE64
@@ -198,23 +232,6 @@ static inline unsigned long long os_phys_mem(void)
 	return (unsigned long long) pages * (unsigned long long) pagesize;
 }
 
-typedef struct { unsigned short r[3]; } os_random_state_t;
-
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
-{
-	rs->r[0] = seed & 0xffff;
-	seed >>= 16;
-	rs->r[1] = seed & 0xffff;
-	seed >>= 16;
-	rs->r[2] = seed & 0xffff;
-	seed48(rs->r);
-}
-
-static inline long os_random_long(os_random_state_t *rs)
-{
-	return nrand48(rs->r);
-}
-
 #ifdef O_NOATIME
 #define FIO_O_NOATIME	O_NOATIME
 #else
@@ -270,7 +287,7 @@ 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];
@@ -278,7 +295,7 @@ 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;