libion: clean up whitespace
Convert everything to 4 space indents, no tabs. Change-Id: I376fad866864f0579b91ffad406e872fcce566ad
This commit is contained in:
Colin Cross
parent
03c932dffa
commit
92d7ca6af3
3 changed files with 283 additions and 289 deletions
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@ -30,9 +30,9 @@ struct ion_handle;
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int ion_open();
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int ion_close(int fd);
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int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask,
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unsigned int flags, ion_user_handle_t *handle);
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unsigned int flags, ion_user_handle_t *handle);
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int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask,
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unsigned int flags, int *handle_fd);
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unsigned int flags, int *handle_fd);
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int ion_sync_fd(int fd, int handle_fd);
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int ion_free(int fd, ion_user_handle_t handle);
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int ion_map(int fd, ion_user_handle_t handle, size_t length, int prot,
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144
libion/ion.c
144
libion/ion.c
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@ -32,119 +32,119 @@
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int ion_open()
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{
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int fd = open("/dev/ion", O_RDWR);
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if (fd < 0)
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ALOGE("open /dev/ion failed!\n");
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return fd;
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int fd = open("/dev/ion", O_RDWR);
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if (fd < 0)
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ALOGE("open /dev/ion failed!\n");
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return fd;
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}
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int ion_close(int fd)
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{
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return close(fd);
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return close(fd);
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}
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static int ion_ioctl(int fd, int req, void *arg)
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{
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int ret = ioctl(fd, req, arg);
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if (ret < 0) {
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ALOGE("ioctl %x failed with code %d: %s\n", req,
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ret, strerror(errno));
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return -errno;
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}
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return ret;
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int ret = ioctl(fd, req, arg);
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if (ret < 0) {
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ALOGE("ioctl %x failed with code %d: %s\n", req,
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ret, strerror(errno));
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return -errno;
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}
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return ret;
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}
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int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask,
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unsigned int flags, ion_user_handle_t *handle)
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unsigned int flags, ion_user_handle_t *handle)
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{
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int ret;
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struct ion_allocation_data data = {
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.len = len,
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.align = align,
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.heap_id_mask = heap_mask,
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.flags = flags,
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};
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int ret;
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struct ion_allocation_data data = {
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.len = len,
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.align = align,
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.heap_id_mask = heap_mask,
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.flags = flags,
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};
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ret = ion_ioctl(fd, ION_IOC_ALLOC, &data);
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if (ret < 0)
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return ret;
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*handle = data.handle;
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ret = ion_ioctl(fd, ION_IOC_ALLOC, &data);
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if (ret < 0)
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return ret;
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*handle = data.handle;
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return ret;
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}
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int ion_free(int fd, ion_user_handle_t handle)
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{
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struct ion_handle_data data = {
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.handle = handle,
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};
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return ion_ioctl(fd, ION_IOC_FREE, &data);
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struct ion_handle_data data = {
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.handle = handle,
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};
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return ion_ioctl(fd, ION_IOC_FREE, &data);
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}
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int ion_map(int fd, ion_user_handle_t handle, size_t length, int prot,
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int flags, off_t offset, unsigned char **ptr, int *map_fd)
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{
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struct ion_fd_data data = {
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.handle = handle,
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};
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struct ion_fd_data data = {
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.handle = handle,
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};
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int ret = ion_ioctl(fd, ION_IOC_MAP, &data);
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if (ret < 0)
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return ret;
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*map_fd = data.fd;
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if (*map_fd < 0) {
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ALOGE("map ioctl returned negative fd\n");
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return -EINVAL;
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}
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*ptr = mmap(NULL, length, prot, flags, *map_fd, offset);
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if (*ptr == MAP_FAILED) {
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ALOGE("mmap failed: %s\n", strerror(errno));
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return -errno;
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}
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int ret = ion_ioctl(fd, ION_IOC_MAP, &data);
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if (ret < 0)
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return ret;
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*map_fd = data.fd;
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if (*map_fd < 0) {
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ALOGE("map ioctl returned negative fd\n");
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return -EINVAL;
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}
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*ptr = mmap(NULL, length, prot, flags, *map_fd, offset);
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if (*ptr == MAP_FAILED) {
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ALOGE("mmap failed: %s\n", strerror(errno));
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return -errno;
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}
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return ret;
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}
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int ion_share(int fd, ion_user_handle_t handle, int *share_fd)
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{
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int map_fd;
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struct ion_fd_data data = {
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.handle = handle,
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};
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int map_fd;
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struct ion_fd_data data = {
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.handle = handle,
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};
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int ret = ion_ioctl(fd, ION_IOC_SHARE, &data);
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if (ret < 0)
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return ret;
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*share_fd = data.fd;
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if (*share_fd < 0) {
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ALOGE("share ioctl returned negative fd\n");
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return -EINVAL;
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}
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int ret = ion_ioctl(fd, ION_IOC_SHARE, &data);
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if (ret < 0)
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return ret;
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*share_fd = data.fd;
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if (*share_fd < 0) {
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ALOGE("share ioctl returned negative fd\n");
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return -EINVAL;
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}
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return ret;
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}
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int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask,
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unsigned int flags, int *handle_fd) {
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ion_user_handle_t handle;
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int ret;
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unsigned int flags, int *handle_fd) {
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ion_user_handle_t handle;
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int ret;
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ret = ion_alloc(fd, len, align, heap_mask, flags, &handle);
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if (ret < 0)
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return ret;
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ret = ion_share(fd, handle, handle_fd);
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ion_free(fd, handle);
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return ret;
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ret = ion_alloc(fd, len, align, heap_mask, flags, &handle);
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if (ret < 0)
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return ret;
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ret = ion_share(fd, handle, handle_fd);
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ion_free(fd, handle);
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return ret;
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}
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int ion_import(int fd, int share_fd, ion_user_handle_t *handle)
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{
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struct ion_fd_data data = {
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.fd = share_fd,
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};
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struct ion_fd_data data = {
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.fd = share_fd,
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};
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int ret = ion_ioctl(fd, ION_IOC_IMPORT, &data);
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if (ret < 0)
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return ret;
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*handle = data.handle;
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int ret = ion_ioctl(fd, ION_IOC_IMPORT, &data);
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if (ret < 0)
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return ret;
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*handle = data.handle;
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return ret;
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}
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int ion_sync_fd(int fd, int handle_fd)
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@ -24,254 +24,248 @@ size_t stride;
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int _ion_alloc_test(int *fd, ion_user_handle_t *handle)
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{
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int ret;
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int ret;
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*fd = ion_open();
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if (*fd < 0)
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return *fd;
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*fd = ion_open();
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if (*fd < 0)
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return *fd;
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ret = ion_alloc(*fd, len, align, heap_mask, alloc_flags, handle);
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ret = ion_alloc(*fd, len, align, heap_mask, alloc_flags, handle);
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if (ret)
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printf("%s failed: %s\n", __func__, strerror(ret));
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return ret;
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if (ret)
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printf("%s failed: %s\n", __func__, strerror(ret));
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return ret;
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}
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void ion_alloc_test()
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{
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int fd, ret;
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ion_user_handle_t handle;
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int fd, ret;
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ion_user_handle_t handle;
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if(_ion_alloc_test(&fd, &handle))
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return;
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if(_ion_alloc_test(&fd, &handle))
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return;
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ret = ion_free(fd, handle);
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if (ret) {
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printf("%s failed: %s %p\n", __func__, strerror(ret), handle);
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return;
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}
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ion_close(fd);
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printf("ion alloc test: passed\n");
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ret = ion_free(fd, handle);
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if (ret) {
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printf("%s failed: %s %p\n", __func__, strerror(ret), handle);
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return;
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}
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ion_close(fd);
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printf("ion alloc test: passed\n");
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}
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void ion_map_test()
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{
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int fd, map_fd, ret;
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size_t i;
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ion_user_handle_t handle;
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unsigned char *ptr;
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int fd, map_fd, ret;
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size_t i;
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ion_user_handle_t handle;
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unsigned char *ptr;
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if(_ion_alloc_test(&fd, &handle))
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return;
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if(_ion_alloc_test(&fd, &handle))
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return;
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ret = ion_map(fd, handle, len, prot, map_flags, 0, &ptr, &map_fd);
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if (ret)
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return;
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ret = ion_map(fd, handle, len, prot, map_flags, 0, &ptr, &map_fd);
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if (ret)
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return;
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for (i = 0; i < len; i++) {
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ptr[i] = (unsigned char)i;
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}
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for (i = 0; i < len; i++)
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if (ptr[i] != (unsigned char)i)
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printf("%s failed wrote %zu read %d from mapped "
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"memory\n", __func__, i, ptr[i]);
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/* clean up properly */
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ret = ion_free(fd, handle);
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ion_close(fd);
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munmap(ptr, len);
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close(map_fd);
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for (i = 0; i < len; i++) {
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ptr[i] = (unsigned char)i;
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}
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for (i = 0; i < len; i++)
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if (ptr[i] != (unsigned char)i)
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printf("%s failed wrote %zu read %d from mapped "
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"memory\n", __func__, i, ptr[i]);
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/* clean up properly */
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ret = ion_free(fd, handle);
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ion_close(fd);
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munmap(ptr, len);
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close(map_fd);
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_ion_alloc_test(&fd, &handle);
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close(fd);
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_ion_alloc_test(&fd, &handle);
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close(fd);
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#if 0
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munmap(ptr, len);
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close(map_fd);
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ion_close(fd);
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munmap(ptr, len);
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close(map_fd);
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ion_close(fd);
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_ion_alloc_test(len, align, flags, &fd, &handle);
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close(map_fd);
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ret = ion_map(fd, handle, len, prot, flags, 0, &ptr, &map_fd);
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/* don't clean up */
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_ion_alloc_test(len, align, flags, &fd, &handle);
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close(map_fd);
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ret = ion_map(fd, handle, len, prot, flags, 0, &ptr, &map_fd);
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/* don't clean up */
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#endif
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}
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void ion_share_test()
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{
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ion_user_handle_t handle;
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int sd[2];
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int num_fd = 1;
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struct iovec count_vec = {
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.iov_base = &num_fd,
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.iov_len = sizeof num_fd,
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};
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char buf[CMSG_SPACE(sizeof(int))];
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socketpair(AF_UNIX, SOCK_STREAM, 0, sd);
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if (fork()) {
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struct msghdr msg = {
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.msg_control = buf,
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.msg_controllen = sizeof buf,
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.msg_iov = &count_vec,
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.msg_iovlen = 1,
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};
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ion_user_handle_t handle;
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int sd[2];
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int num_fd = 1;
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struct iovec count_vec = {
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.iov_base = &num_fd,
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.iov_len = sizeof num_fd,
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};
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char buf[CMSG_SPACE(sizeof(int))];
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socketpair(AF_UNIX, SOCK_STREAM, 0, sd);
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if (fork()) {
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struct msghdr msg = {
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.msg_control = buf,
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.msg_controllen = sizeof buf,
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.msg_iov = &count_vec,
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.msg_iovlen = 1,
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};
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struct cmsghdr *cmsg;
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int fd, share_fd, ret;
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char *ptr;
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/* parent */
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if(_ion_alloc_test(&fd, &handle))
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return;
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ret = ion_share(fd, handle, &share_fd);
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if (ret)
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printf("share failed %s\n", strerror(errno));
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ptr = mmap(NULL, len, prot, map_flags, share_fd, 0);
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if (ptr == MAP_FAILED) {
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return;
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}
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strcpy(ptr, "master");
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cmsg = CMSG_FIRSTHDR(&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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cmsg->cmsg_len = CMSG_LEN(sizeof(int));
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*(int *)CMSG_DATA(cmsg) = share_fd;
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/* send the fd */
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printf("master? [%10s] should be [master]\n", ptr);
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printf("master sending msg 1\n");
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sendmsg(sd[0], &msg, 0);
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if (recvmsg(sd[0], &msg, 0) < 0)
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perror("master recv msg 2");
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printf("master? [%10s] should be [child]\n", ptr);
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struct cmsghdr *cmsg;
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int fd, share_fd, ret;
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char *ptr;
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/* parent */
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if(_ion_alloc_test(&fd, &handle))
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return;
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ret = ion_share(fd, handle, &share_fd);
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if (ret)
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printf("share failed %s\n", strerror(errno));
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ptr = mmap(NULL, len, prot, map_flags, share_fd, 0);
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if (ptr == MAP_FAILED) {
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return;
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}
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strcpy(ptr, "master");
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cmsg = CMSG_FIRSTHDR(&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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cmsg->cmsg_len = CMSG_LEN(sizeof(int));
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*(int *)CMSG_DATA(cmsg) = share_fd;
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/* send the fd */
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printf("master? [%10s] should be [master]\n", ptr);
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printf("master sending msg 1\n");
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sendmsg(sd[0], &msg, 0);
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if (recvmsg(sd[0], &msg, 0) < 0)
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perror("master recv msg 2");
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printf("master? [%10s] should be [child]\n", ptr);
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/* send ping */
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sendmsg(sd[0], &msg, 0);
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printf("master->master? [%10s]\n", ptr);
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if (recvmsg(sd[0], &msg, 0) < 0)
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perror("master recv 1");
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} else {
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struct msghdr msg;
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struct cmsghdr *cmsg;
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char* ptr;
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int fd, recv_fd;
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char* child_buf[100];
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/* child */
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struct iovec count_vec = {
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.iov_base = child_buf,
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.iov_len = sizeof child_buf,
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};
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/* send ping */
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sendmsg(sd[0], &msg, 0);
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printf("master->master? [%10s]\n", ptr);
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if (recvmsg(sd[0], &msg, 0) < 0)
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perror("master recv 1");
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} else {
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struct msghdr msg;
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struct cmsghdr *cmsg;
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char* ptr;
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int fd, recv_fd;
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char* child_buf[100];
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/* child */
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struct iovec count_vec = {
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.iov_base = child_buf,
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.iov_len = sizeof child_buf,
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};
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struct msghdr child_msg = {
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.msg_control = buf,
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.msg_controllen = sizeof buf,
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.msg_iov = &count_vec,
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.msg_iovlen = 1,
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};
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struct msghdr child_msg = {
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.msg_control = buf,
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.msg_controllen = sizeof buf,
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.msg_iov = &count_vec,
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.msg_iovlen = 1,
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};
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if (recvmsg(sd[1], &child_msg, 0) < 0)
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perror("child recv msg 1");
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cmsg = CMSG_FIRSTHDR(&child_msg);
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if (cmsg == NULL) {
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printf("no cmsg rcvd in child");
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return;
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}
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recv_fd = *(int*)CMSG_DATA(cmsg);
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if (recv_fd < 0) {
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printf("could not get recv_fd from socket");
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return;
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}
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printf("child %d\n", recv_fd);
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fd = ion_open();
|
||||
ptr = mmap(NULL, len, prot, map_flags, recv_fd, 0);
|
||||
if (ptr == MAP_FAILED) {
|
||||
return;
|
||||
}
|
||||
printf("child? [%10s] should be [master]\n", ptr);
|
||||
strcpy(ptr, "child");
|
||||
printf("child sending msg 2\n");
|
||||
sendmsg(sd[1], &child_msg, 0);
|
||||
}
|
||||
if (recvmsg(sd[1], &child_msg, 0) < 0)
|
||||
perror("child recv msg 1");
|
||||
cmsg = CMSG_FIRSTHDR(&child_msg);
|
||||
if (cmsg == NULL) {
|
||||
printf("no cmsg rcvd in child");
|
||||
return;
|
||||
}
|
||||
recv_fd = *(int*)CMSG_DATA(cmsg);
|
||||
if (recv_fd < 0) {
|
||||
printf("could not get recv_fd from socket");
|
||||
return;
|
||||
}
|
||||
printf("child %d\n", recv_fd);
|
||||
fd = ion_open();
|
||||
ptr = mmap(NULL, len, prot, map_flags, recv_fd, 0);
|
||||
if (ptr == MAP_FAILED) {
|
||||
return;
|
||||
}
|
||||
printf("child? [%10s] should be [master]\n", ptr);
|
||||
strcpy(ptr, "child");
|
||||
printf("child sending msg 2\n");
|
||||
sendmsg(sd[1], &child_msg, 0);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char* argv[]) {
|
||||
int c;
|
||||
enum tests {
|
||||
ALLOC_TEST = 0, MAP_TEST, SHARE_TEST,
|
||||
};
|
||||
int c;
|
||||
enum tests {
|
||||
ALLOC_TEST = 0, MAP_TEST, SHARE_TEST,
|
||||
};
|
||||
|
||||
while (1) {
|
||||
static struct option opts[] = {
|
||||
{"alloc", no_argument, 0, 'a'},
|
||||
{"alloc_flags", required_argument, 0, 'f'},
|
||||
{"heap_mask", required_argument, 0, 'h'},
|
||||
{"map", no_argument, 0, 'm'},
|
||||
{"share", no_argument, 0, 's'},
|
||||
{"len", required_argument, 0, 'l'},
|
||||
{"align", required_argument, 0, 'g'},
|
||||
{"map_flags", required_argument, 0, 'z'},
|
||||
{"prot", required_argument, 0, 'p'},
|
||||
};
|
||||
int i = 0;
|
||||
c = getopt_long(argc, argv, "af:h:l:mr:st", opts, &i);
|
||||
if (c == -1)
|
||||
break;
|
||||
while (1) {
|
||||
static struct option opts[] = {
|
||||
{"alloc", no_argument, 0, 'a'},
|
||||
{"alloc_flags", required_argument, 0, 'f'},
|
||||
{"heap_mask", required_argument, 0, 'h'},
|
||||
{"map", no_argument, 0, 'm'},
|
||||
{"share", no_argument, 0, 's'},
|
||||
{"len", required_argument, 0, 'l'},
|
||||
{"align", required_argument, 0, 'g'},
|
||||
{"map_flags", required_argument, 0, 'z'},
|
||||
{"prot", required_argument, 0, 'p'},
|
||||
};
|
||||
int i = 0;
|
||||
c = getopt_long(argc, argv, "af:h:l:mr:st", opts, &i);
|
||||
if (c == -1)
|
||||
break;
|
||||
|
||||
switch (c) {
|
||||
case 'l':
|
||||
len = atol(optarg);
|
||||
break;
|
||||
case 'g':
|
||||
align = atol(optarg);
|
||||
break;
|
||||
case 'z':
|
||||
map_flags = 0;
|
||||
map_flags |= strstr(optarg, "PROT_EXEC") ?
|
||||
PROT_EXEC : 0;
|
||||
map_flags |= strstr(optarg, "PROT_READ") ?
|
||||
PROT_READ: 0;
|
||||
map_flags |= strstr(optarg, "PROT_WRITE") ?
|
||||
PROT_WRITE: 0;
|
||||
map_flags |= strstr(optarg, "PROT_NONE") ?
|
||||
PROT_NONE: 0;
|
||||
break;
|
||||
case 'p':
|
||||
prot = 0;
|
||||
prot |= strstr(optarg, "MAP_PRIVATE") ?
|
||||
MAP_PRIVATE : 0;
|
||||
prot |= strstr(optarg, "MAP_SHARED") ?
|
||||
MAP_PRIVATE : 0;
|
||||
break;
|
||||
case 'f':
|
||||
alloc_flags = atol(optarg);
|
||||
break;
|
||||
case 'h':
|
||||
heap_mask = atol(optarg);
|
||||
break;
|
||||
case 'a':
|
||||
test = ALLOC_TEST;
|
||||
break;
|
||||
case 'm':
|
||||
test = MAP_TEST;
|
||||
break;
|
||||
case 's':
|
||||
test = SHARE_TEST;
|
||||
break;
|
||||
}
|
||||
}
|
||||
printf("test %d, len %zu, align %zu, map_flags %d, prot %d, heap_mask %d,"
|
||||
" alloc_flags %d\n", test, len, align, map_flags, prot,
|
||||
heap_mask, alloc_flags);
|
||||
switch (test) {
|
||||
case ALLOC_TEST:
|
||||
ion_alloc_test();
|
||||
break;
|
||||
case MAP_TEST:
|
||||
ion_map_test();
|
||||
break;
|
||||
case SHARE_TEST:
|
||||
ion_share_test();
|
||||
break;
|
||||
default:
|
||||
printf("must specify a test (alloc, map, share)\n");
|
||||
}
|
||||
return 0;
|
||||
switch (c) {
|
||||
case 'l':
|
||||
len = atol(optarg);
|
||||
break;
|
||||
case 'g':
|
||||
align = atol(optarg);
|
||||
break;
|
||||
case 'z':
|
||||
map_flags = 0;
|
||||
map_flags |= strstr(optarg, "PROT_EXEC") ? PROT_EXEC : 0;
|
||||
map_flags |= strstr(optarg, "PROT_READ") ? PROT_READ: 0;
|
||||
map_flags |= strstr(optarg, "PROT_WRITE") ? PROT_WRITE: 0;
|
||||
map_flags |= strstr(optarg, "PROT_NONE") ? PROT_NONE: 0;
|
||||
break;
|
||||
case 'p':
|
||||
prot = 0;
|
||||
prot |= strstr(optarg, "MAP_PRIVATE") ? MAP_PRIVATE : 0;
|
||||
prot |= strstr(optarg, "MAP_SHARED") ? MAP_PRIVATE : 0;
|
||||
break;
|
||||
case 'f':
|
||||
alloc_flags = atol(optarg);
|
||||
break;
|
||||
case 'h':
|
||||
heap_mask = atol(optarg);
|
||||
break;
|
||||
case 'a':
|
||||
test = ALLOC_TEST;
|
||||
break;
|
||||
case 'm':
|
||||
test = MAP_TEST;
|
||||
break;
|
||||
case 's':
|
||||
test = SHARE_TEST;
|
||||
break;
|
||||
}
|
||||
}
|
||||
printf("test %d, len %zu, align %zu, map_flags %d, prot %d, heap_mask %d,"
|
||||
" alloc_flags %d\n", test, len, align, map_flags, prot,
|
||||
heap_mask, alloc_flags);
|
||||
switch (test) {
|
||||
case ALLOC_TEST:
|
||||
ion_alloc_test();
|
||||
break;
|
||||
case MAP_TEST:
|
||||
ion_map_test();
|
||||
break;
|
||||
case SHARE_TEST:
|
||||
ion_share_test();
|
||||
break;
|
||||
default:
|
||||
printf("must specify a test (alloc, map, share)\n");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue