diff --git a/hw/9pfs/9p-synth.c b/hw/9pfs/9p-synth.c index 73c8be816b..4b6d4e6a3f 100644 --- a/hw/9pfs/9p-synth.c +++ b/hw/9pfs/9p-synth.c @@ -21,19 +21,19 @@ #include "qemu/cutils.h" /* Root node for synth file system */ -static V9fsSynthNode v9fs_synth_root = { +static V9fsSynthNode synth_root = { .name = "/", .actual_attr = { .mode = 0555 | S_IFDIR, .nlink = 1, }, - .attr = &v9fs_synth_root.actual_attr, + .attr = &synth_root.actual_attr, }; -static QemuMutex v9fs_synth_mutex; -static int v9fs_synth_node_count; +static QemuMutex synth_mutex; +static int synth_node_count; /* set to 1 when the synth fs is ready */ -static int v9fs_synth_fs; +static int synth_fs; static V9fsSynthNode *v9fs_add_dir_node(V9fsSynthNode *parent, int mode, const char *name, @@ -69,16 +69,16 @@ int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode, int ret; V9fsSynthNode *node, *tmp; - if (!v9fs_synth_fs) { + if (!synth_fs) { return EAGAIN; } if (!name || (strlen(name) >= NAME_MAX)) { return EINVAL; } if (!parent) { - parent = &v9fs_synth_root; + parent = &synth_root; } - qemu_mutex_lock(&v9fs_synth_mutex); + qemu_mutex_lock(&synth_mutex); QLIST_FOREACH(tmp, &parent->child, sibling) { if (!strcmp(tmp->name, name)) { ret = EEXIST; @@ -86,7 +86,7 @@ int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode, } } /* Add the name */ - node = v9fs_add_dir_node(parent, mode, name, NULL, v9fs_synth_node_count++); + node = v9fs_add_dir_node(parent, mode, name, NULL, synth_node_count++); v9fs_add_dir_node(node, parent->attr->mode, "..", parent->attr, parent->attr->inode); v9fs_add_dir_node(node, node->attr->mode, ".", @@ -94,7 +94,7 @@ int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode, *result = node; ret = 0; err_out: - qemu_mutex_unlock(&v9fs_synth_mutex); + qemu_mutex_unlock(&synth_mutex); return ret; } @@ -105,17 +105,17 @@ int qemu_v9fs_synth_add_file(V9fsSynthNode *parent, int mode, int ret; V9fsSynthNode *node, *tmp; - if (!v9fs_synth_fs) { + if (!synth_fs) { return EAGAIN; } if (!name || (strlen(name) >= NAME_MAX)) { return EINVAL; } if (!parent) { - parent = &v9fs_synth_root; + parent = &synth_root; } - qemu_mutex_lock(&v9fs_synth_mutex); + qemu_mutex_lock(&synth_mutex); QLIST_FOREACH(tmp, &parent->child, sibling) { if (!strcmp(tmp->name, name)) { ret = EEXIST; @@ -126,7 +126,7 @@ int qemu_v9fs_synth_add_file(V9fsSynthNode *parent, int mode, mode = ((mode & 0777) | S_IFREG); node = g_malloc0(sizeof(V9fsSynthNode)); node->attr = &node->actual_attr; - node->attr->inode = v9fs_synth_node_count++; + node->attr->inode = synth_node_count++; node->attr->nlink = 1; node->attr->read = read; node->attr->write = write; @@ -136,11 +136,11 @@ int qemu_v9fs_synth_add_file(V9fsSynthNode *parent, int mode, QLIST_INSERT_HEAD_RCU(&parent->child, node, sibling); ret = 0; err_out: - qemu_mutex_unlock(&v9fs_synth_mutex); + qemu_mutex_unlock(&synth_mutex); return ret; } -static void v9fs_synth_fill_statbuf(V9fsSynthNode *node, struct stat *stbuf) +static void synth_fill_statbuf(V9fsSynthNode *node, struct stat *stbuf) { stbuf->st_dev = 0; stbuf->st_ino = node->attr->inode; @@ -157,24 +157,24 @@ static void v9fs_synth_fill_statbuf(V9fsSynthNode *node, struct stat *stbuf) stbuf->st_ctime = 0; } -static int v9fs_synth_lstat(FsContext *fs_ctx, +static int synth_lstat(FsContext *fs_ctx, V9fsPath *fs_path, struct stat *stbuf) { V9fsSynthNode *node = *(V9fsSynthNode **)fs_path->data; - v9fs_synth_fill_statbuf(node, stbuf); + synth_fill_statbuf(node, stbuf); return 0; } -static int v9fs_synth_fstat(FsContext *fs_ctx, int fid_type, +static int synth_fstat(FsContext *fs_ctx, int fid_type, V9fsFidOpenState *fs, struct stat *stbuf) { V9fsSynthOpenState *synth_open = fs->private; - v9fs_synth_fill_statbuf(synth_open->node, stbuf); + synth_fill_statbuf(synth_open->node, stbuf); return 0; } -static int v9fs_synth_opendir(FsContext *ctx, +static int synth_opendir(FsContext *ctx, V9fsPath *fs_path, V9fsFidOpenState *fs) { V9fsSynthOpenState *synth_open; @@ -187,7 +187,7 @@ static int v9fs_synth_opendir(FsContext *ctx, return 0; } -static int v9fs_synth_closedir(FsContext *ctx, V9fsFidOpenState *fs) +static int synth_closedir(FsContext *ctx, V9fsFidOpenState *fs) { V9fsSynthOpenState *synth_open = fs->private; V9fsSynthNode *node = synth_open->node; @@ -198,24 +198,24 @@ static int v9fs_synth_closedir(FsContext *ctx, V9fsFidOpenState *fs) return 0; } -static off_t v9fs_synth_telldir(FsContext *ctx, V9fsFidOpenState *fs) +static off_t synth_telldir(FsContext *ctx, V9fsFidOpenState *fs) { V9fsSynthOpenState *synth_open = fs->private; return synth_open->offset; } -static void v9fs_synth_seekdir(FsContext *ctx, V9fsFidOpenState *fs, off_t off) +static void synth_seekdir(FsContext *ctx, V9fsFidOpenState *fs, off_t off) { V9fsSynthOpenState *synth_open = fs->private; synth_open->offset = off; } -static void v9fs_synth_rewinddir(FsContext *ctx, V9fsFidOpenState *fs) +static void synth_rewinddir(FsContext *ctx, V9fsFidOpenState *fs) { - v9fs_synth_seekdir(ctx, fs, 0); + synth_seekdir(ctx, fs, 0); } -static void v9fs_synth_direntry(V9fsSynthNode *node, +static void synth_direntry(V9fsSynthNode *node, struct dirent *entry, off_t off) { strcpy(entry->d_name, node->name); @@ -223,7 +223,7 @@ static void v9fs_synth_direntry(V9fsSynthNode *node, entry->d_off = off + 1; } -static struct dirent *v9fs_synth_get_dentry(V9fsSynthNode *dir, +static struct dirent *synth_get_dentry(V9fsSynthNode *dir, struct dirent *entry, off_t off) { int i = 0; @@ -242,23 +242,23 @@ static struct dirent *v9fs_synth_get_dentry(V9fsSynthNode *dir, /* end of directory */ return NULL; } - v9fs_synth_direntry(node, entry, off); + synth_direntry(node, entry, off); return entry; } -static struct dirent *v9fs_synth_readdir(FsContext *ctx, V9fsFidOpenState *fs) +static struct dirent *synth_readdir(FsContext *ctx, V9fsFidOpenState *fs) { struct dirent *entry; V9fsSynthOpenState *synth_open = fs->private; V9fsSynthNode *node = synth_open->node; - entry = v9fs_synth_get_dentry(node, &synth_open->dent, synth_open->offset); + entry = synth_get_dentry(node, &synth_open->dent, synth_open->offset); if (entry) { synth_open->offset++; } return entry; } -static int v9fs_synth_open(FsContext *ctx, V9fsPath *fs_path, +static int synth_open(FsContext *ctx, V9fsPath *fs_path, int flags, V9fsFidOpenState *fs) { V9fsSynthOpenState *synth_open; @@ -271,7 +271,7 @@ static int v9fs_synth_open(FsContext *ctx, V9fsPath *fs_path, return 0; } -static int v9fs_synth_open2(FsContext *fs_ctx, V9fsPath *dir_path, +static int synth_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name, int flags, FsCred *credp, V9fsFidOpenState *fs) { @@ -279,7 +279,7 @@ static int v9fs_synth_open2(FsContext *fs_ctx, V9fsPath *dir_path, return -1; } -static int v9fs_synth_close(FsContext *ctx, V9fsFidOpenState *fs) +static int synth_close(FsContext *ctx, V9fsFidOpenState *fs) { V9fsSynthOpenState *synth_open = fs->private; V9fsSynthNode *node = synth_open->node; @@ -290,7 +290,7 @@ static int v9fs_synth_close(FsContext *ctx, V9fsFidOpenState *fs) return 0; } -static ssize_t v9fs_synth_pwritev(FsContext *ctx, V9fsFidOpenState *fs, +static ssize_t synth_pwritev(FsContext *ctx, V9fsFidOpenState *fs, const struct iovec *iov, int iovcnt, off_t offset) { @@ -314,7 +314,7 @@ static ssize_t v9fs_synth_pwritev(FsContext *ctx, V9fsFidOpenState *fs, return count; } -static ssize_t v9fs_synth_preadv(FsContext *ctx, V9fsFidOpenState *fs, +static ssize_t synth_preadv(FsContext *ctx, V9fsFidOpenState *fs, const struct iovec *iov, int iovcnt, off_t offset) { @@ -338,112 +338,112 @@ static ssize_t v9fs_synth_preadv(FsContext *ctx, V9fsFidOpenState *fs, return count; } -static int v9fs_synth_truncate(FsContext *ctx, V9fsPath *path, off_t offset) +static int synth_truncate(FsContext *ctx, V9fsPath *path, off_t offset) { errno = ENOSYS; return -1; } -static int v9fs_synth_chmod(FsContext *fs_ctx, V9fsPath *path, FsCred *credp) +static int synth_chmod(FsContext *fs_ctx, V9fsPath *path, FsCred *credp) { errno = EPERM; return -1; } -static int v9fs_synth_mknod(FsContext *fs_ctx, V9fsPath *path, +static int synth_mknod(FsContext *fs_ctx, V9fsPath *path, const char *buf, FsCred *credp) { errno = EPERM; return -1; } -static int v9fs_synth_mkdir(FsContext *fs_ctx, V9fsPath *path, +static int synth_mkdir(FsContext *fs_ctx, V9fsPath *path, const char *buf, FsCred *credp) { errno = EPERM; return -1; } -static ssize_t v9fs_synth_readlink(FsContext *fs_ctx, V9fsPath *path, +static ssize_t synth_readlink(FsContext *fs_ctx, V9fsPath *path, char *buf, size_t bufsz) { errno = ENOSYS; return -1; } -static int v9fs_synth_symlink(FsContext *fs_ctx, const char *oldpath, +static int synth_symlink(FsContext *fs_ctx, const char *oldpath, V9fsPath *newpath, const char *buf, FsCred *credp) { errno = EPERM; return -1; } -static int v9fs_synth_link(FsContext *fs_ctx, V9fsPath *oldpath, +static int synth_link(FsContext *fs_ctx, V9fsPath *oldpath, V9fsPath *newpath, const char *buf) { errno = EPERM; return -1; } -static int v9fs_synth_rename(FsContext *ctx, const char *oldpath, +static int synth_rename(FsContext *ctx, const char *oldpath, const char *newpath) { errno = EPERM; return -1; } -static int v9fs_synth_chown(FsContext *fs_ctx, V9fsPath *path, FsCred *credp) +static int synth_chown(FsContext *fs_ctx, V9fsPath *path, FsCred *credp) { errno = EPERM; return -1; } -static int v9fs_synth_utimensat(FsContext *fs_ctx, V9fsPath *path, +static int synth_utimensat(FsContext *fs_ctx, V9fsPath *path, const struct timespec *buf) { errno = EPERM; return 0; } -static int v9fs_synth_remove(FsContext *ctx, const char *path) +static int synth_remove(FsContext *ctx, const char *path) { errno = EPERM; return -1; } -static int v9fs_synth_fsync(FsContext *ctx, int fid_type, +static int synth_fsync(FsContext *ctx, int fid_type, V9fsFidOpenState *fs, int datasync) { errno = ENOSYS; return 0; } -static int v9fs_synth_statfs(FsContext *s, V9fsPath *fs_path, +static int synth_statfs(FsContext *s, V9fsPath *fs_path, struct statfs *stbuf) { stbuf->f_type = 0xABCD; stbuf->f_bsize = 512; stbuf->f_blocks = 0; - stbuf->f_files = v9fs_synth_node_count; + stbuf->f_files = synth_node_count; stbuf->f_namelen = NAME_MAX; return 0; } -static ssize_t v9fs_synth_lgetxattr(FsContext *ctx, V9fsPath *path, +static ssize_t synth_lgetxattr(FsContext *ctx, V9fsPath *path, const char *name, void *value, size_t size) { errno = ENOTSUP; return -1; } -static ssize_t v9fs_synth_llistxattr(FsContext *ctx, V9fsPath *path, +static ssize_t synth_llistxattr(FsContext *ctx, V9fsPath *path, void *value, size_t size) { errno = ENOTSUP; return -1; } -static int v9fs_synth_lsetxattr(FsContext *ctx, V9fsPath *path, +static int synth_lsetxattr(FsContext *ctx, V9fsPath *path, const char *name, void *value, size_t size, int flags) { @@ -451,14 +451,14 @@ static int v9fs_synth_lsetxattr(FsContext *ctx, V9fsPath *path, return -1; } -static int v9fs_synth_lremovexattr(FsContext *ctx, +static int synth_lremovexattr(FsContext *ctx, V9fsPath *path, const char *name) { errno = ENOTSUP; return -1; } -static int v9fs_synth_name_to_path(FsContext *ctx, V9fsPath *dir_path, +static int synth_name_to_path(FsContext *ctx, V9fsPath *dir_path, const char *name, V9fsPath *target) { V9fsSynthNode *node; @@ -471,7 +471,7 @@ static int v9fs_synth_name_to_path(FsContext *ctx, V9fsPath *dir_path, } if (!dir_path) { - dir_node = &v9fs_synth_root; + dir_node = &synth_root; } else { dir_node = *(V9fsSynthNode **)dir_path->data; } @@ -500,7 +500,7 @@ out: return 0; } -static int v9fs_synth_renameat(FsContext *ctx, V9fsPath *olddir, +static int synth_renameat(FsContext *ctx, V9fsPath *olddir, const char *old_name, V9fsPath *newdir, const char *new_name) { @@ -508,62 +508,62 @@ static int v9fs_synth_renameat(FsContext *ctx, V9fsPath *olddir, return -1; } -static int v9fs_synth_unlinkat(FsContext *ctx, V9fsPath *dir, +static int synth_unlinkat(FsContext *ctx, V9fsPath *dir, const char *name, int flags) { errno = EPERM; return -1; } -static int v9fs_synth_init(FsContext *ctx) +static int synth_init(FsContext *ctx) { - QLIST_INIT(&v9fs_synth_root.child); - qemu_mutex_init(&v9fs_synth_mutex); + QLIST_INIT(&synth_root.child); + qemu_mutex_init(&synth_mutex); /* Add "." and ".." entries for root */ - v9fs_add_dir_node(&v9fs_synth_root, v9fs_synth_root.attr->mode, - "..", v9fs_synth_root.attr, v9fs_synth_root.attr->inode); - v9fs_add_dir_node(&v9fs_synth_root, v9fs_synth_root.attr->mode, - ".", v9fs_synth_root.attr, v9fs_synth_root.attr->inode); + v9fs_add_dir_node(&synth_root, synth_root.attr->mode, + "..", synth_root.attr, synth_root.attr->inode); + v9fs_add_dir_node(&synth_root, synth_root.attr->mode, + ".", synth_root.attr, synth_root.attr->inode); /* Mark the subsystem is ready for use */ - v9fs_synth_fs = 1; + synth_fs = 1; return 0; } FileOperations synth_ops = { - .init = v9fs_synth_init, - .lstat = v9fs_synth_lstat, - .readlink = v9fs_synth_readlink, - .close = v9fs_synth_close, - .closedir = v9fs_synth_closedir, - .open = v9fs_synth_open, - .opendir = v9fs_synth_opendir, - .rewinddir = v9fs_synth_rewinddir, - .telldir = v9fs_synth_telldir, - .readdir = v9fs_synth_readdir, - .seekdir = v9fs_synth_seekdir, - .preadv = v9fs_synth_preadv, - .pwritev = v9fs_synth_pwritev, - .chmod = v9fs_synth_chmod, - .mknod = v9fs_synth_mknod, - .mkdir = v9fs_synth_mkdir, - .fstat = v9fs_synth_fstat, - .open2 = v9fs_synth_open2, - .symlink = v9fs_synth_symlink, - .link = v9fs_synth_link, - .truncate = v9fs_synth_truncate, - .rename = v9fs_synth_rename, - .chown = v9fs_synth_chown, - .utimensat = v9fs_synth_utimensat, - .remove = v9fs_synth_remove, - .fsync = v9fs_synth_fsync, - .statfs = v9fs_synth_statfs, - .lgetxattr = v9fs_synth_lgetxattr, - .llistxattr = v9fs_synth_llistxattr, - .lsetxattr = v9fs_synth_lsetxattr, - .lremovexattr = v9fs_synth_lremovexattr, - .name_to_path = v9fs_synth_name_to_path, - .renameat = v9fs_synth_renameat, - .unlinkat = v9fs_synth_unlinkat, + .init = synth_init, + .lstat = synth_lstat, + .readlink = synth_readlink, + .close = synth_close, + .closedir = synth_closedir, + .open = synth_open, + .opendir = synth_opendir, + .rewinddir = synth_rewinddir, + .telldir = synth_telldir, + .readdir = synth_readdir, + .seekdir = synth_seekdir, + .preadv = synth_preadv, + .pwritev = synth_pwritev, + .chmod = synth_chmod, + .mknod = synth_mknod, + .mkdir = synth_mkdir, + .fstat = synth_fstat, + .open2 = synth_open2, + .symlink = synth_symlink, + .link = synth_link, + .truncate = synth_truncate, + .rename = synth_rename, + .chown = synth_chown, + .utimensat = synth_utimensat, + .remove = synth_remove, + .fsync = synth_fsync, + .statfs = synth_statfs, + .lgetxattr = synth_lgetxattr, + .llistxattr = synth_llistxattr, + .lsetxattr = synth_lsetxattr, + .lremovexattr = synth_lremovexattr, + .name_to_path = synth_name_to_path, + .renameat = synth_renameat, + .unlinkat = synth_unlinkat, };