#define __has_builtin(x) 0 // Compatibility with non-clang compilers.
#endif
+#define FIO_HAVE_CPU_AFFINITY
#define FIO_HAVE_DISK_UTIL
#define FIO_HAVE_IOSCHED_SWITCH
#define FIO_HAVE_IOPRIO
#define OS_MAP_ANON MAP_ANONYMOUS
+typedef cpu_set_t os_cpu_mask_t;
+
+#define fio_setaffinity(pid, cpumask) \
+ sched_setaffinity((pid), sizeof(cpumask), &(cpumask))
+#define fio_getaffinity(pid, ptr) \
+ sched_getaffinity((pid), sizeof(cpu_set_t), (ptr))
+
#ifndef POSIX_MADV_DONTNEED
#define posix_madvise madvise
#define POSIX_MADV_DONTNEED MADV_DONTNEED
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
- */
-#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 fio_cpu_clear(mask, cpu) CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu) CPU_SET((cpu), (mask))
+#define fio_cpu_isset(mask, cpu) (CPU_ISSET((cpu), (mask)) != 0)
+#define fio_cpu_count(mask) CPU_COUNT((mask))
-static inline int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf)
+static inline int fio_cpuset_init(os_cpu_mask_t *mask)
{
- int ret=0;
- if (__cmd == IPC_RMID)
- {
- int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
- struct ashmem_pin pin = {0 , length};
- ret = ioctl(__shmid, ASHMEM_UNPIN, &pin);
- close(__shmid);
- }
- return ret;
+ CPU_ZERO(mask);
+ return 0;
}
-#if __ANDROID_API__ >= __ANDROID_API_O__
-static inline int shmget(key_t __key, size_t __size, int __shmflg)
+static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
{
- 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;
- char keybuf[11];
-
- fd = open(ASHMEM_DEVICE, O_RDWR);
- if (fd < 0)
- return fd;
-
- sprintf(keybuf,"%d",__key);
- ret = ioctl(fd, ASHMEM_SET_NAME, keybuf);
- if (ret < 0)
- goto error;
-
- /* Stores size in first 8 bytes, allocate extra space */
- ret = ioctl(fd, ASHMEM_SET_SIZE, __size + sizeof(uint64_t));
- if (ret < 0)
- goto error;
-
- return fd;
-
-error:
- close(fd);
- return ret;
+ return 0;
}
-#endif
-static inline void *shmat(int __shmid, const void *__shmaddr, int __shmflg)
-{
- 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;
-}
+#define FIO_MAX_CPUS CPU_SETSIZE
-static inline int shmdt (const void *__shmaddr)
-{
- /* 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
+#include "os-ashmem.h"
#define SPLICE_DEF_SIZE (64*1024)
#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;
- ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
- return syscall(__NR_ioprio_set, which, who, ioprio);
+ 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;
+}
+
+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
}
#endif
+#ifndef RWF_UNCACHED
+#define RWF_UNCACHED 0x00000040
+#endif
+
#endif