X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fcell%2Fspufs%2Ffile.c;h=0ea2361865a27d19b58471c014a6fa7f3d647b10;hb=79acbb3ff2d8095b692e1502b9eb2ccec348de26;hp=0de8e114e6b68355b26c2f2ef4de546367792dbc;hpb=12cbbd95e12e911b43afae7f6f4850f616223642;p=powerpc.git

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 0de8e114e6..0ea2361865 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -385,7 +385,7 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
 	udata = (void __user *)buf;
 
 	spu_acquire(ctx);
-	for (count = 0; count <= len; count += 4, udata++) {
+	for (count = 0; (count + 4) <= len; count += 4, udata++) {
 		int ret;
 		ret = ctx->ops->mbox_read(ctx, &mbox_data);
 		if (ret == 0)
@@ -1343,6 +1343,37 @@ static struct file_operations spufs_mfc_fops = {
 	.mmap	 = spufs_mfc_mmap,
 };
 
+
+static int spufs_recycle_open(struct inode *inode, struct file *file)
+{
+	file->private_data = SPUFS_I(inode)->i_ctx;
+	return nonseekable_open(inode, file);
+}
+
+static ssize_t spufs_recycle_write(struct file *file,
+		const char __user *buffer, size_t size, loff_t *pos)
+{
+	struct spu_context *ctx = file->private_data;
+	int ret;
+
+	if (!(ctx->flags & SPU_CREATE_ISOLATE))
+		return -EINVAL;
+
+	if (size < 1)
+		return -EINVAL;
+
+	ret = spu_recycle_isolated(ctx);
+
+	if (ret)
+		return ret;
+	return size;
+}
+
+static struct file_operations spufs_recycle_fops = {
+	.open	 = spufs_recycle_open,
+	.write	 = spufs_recycle_write,
+};
+
 static void spufs_npc_set(void *data, u64 val)
 {
 	struct spu_context *ctx = data;
@@ -1531,3 +1562,26 @@ struct tree_descr spufs_dir_contents[] = {
 	{ "object-id", &spufs_object_id_ops, 0666, },
 	{},
 };
+
+struct tree_descr spufs_dir_nosched_contents[] = {
+	{ "mem",  &spufs_mem_fops,  0666, },
+	{ "mbox", &spufs_mbox_fops, 0444, },
+	{ "ibox", &spufs_ibox_fops, 0444, },
+	{ "wbox", &spufs_wbox_fops, 0222, },
+	{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
+	{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
+	{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
+	{ "signal1", &spufs_signal1_fops, 0666, },
+	{ "signal2", &spufs_signal2_fops, 0666, },
+	{ "signal1_type", &spufs_signal1_type, 0666, },
+	{ "signal2_type", &spufs_signal2_type, 0666, },
+	{ "mss", &spufs_mss_fops, 0666, },
+	{ "mfc", &spufs_mfc_fops, 0666, },
+	{ "cntl", &spufs_cntl_fops,  0666, },
+	{ "npc", &spufs_npc_ops, 0666, },
+	{ "psmap", &spufs_psmap_fops, 0666, },
+	{ "phys-id", &spufs_id_ops, 0666, },
+	{ "object-id", &spufs_object_id_ops, 0666, },
+	{ "recycle", &spufs_recycle_fops, 0222, },
+	{},
+};