minios: add blkfront

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/extras/mini-os/include/blkfront.h b/extras/mini-os/include/blkfront.h
new file mode 100644
index 0000000000..b062641807
--- /dev/null
+++ b/extras/mini-os/include/blkfront.h
@@ -0,0 +1,26 @@
+#include <wait.h>
+#include <xen/io/blkif.h>
+#include <types.h>
+struct blkfront_dev;
+struct blkfront_aiocb
+{
+    struct blkfront_dev *aio_dev;
+    uint8_t *aio_buf;
+    size_t aio_nbytes;
+    uint64_t aio_offset;
+    void *data;
+
+    grant_ref_t gref[BLKIF_MAX_SEGMENTS_PER_REQUEST];
+
+    void (*aio_cb)(struct blkfront_aiocb *aiocb, int ret);
+};
+struct blkfront_dev *init_blkfront(char *nodename, uint64_t *sectors, unsigned *sector_size, int *mode);
+int blkfront_open(struct blkfront_dev *dev);
+void blkfront_aio(struct blkfront_aiocb *aiocbp, int write);
+void blkfront_aio_read(struct blkfront_aiocb *aiocbp);
+void blkfront_aio_write(struct blkfront_aiocb *aiocbp);
+int blkfront_aio_poll(struct blkfront_dev *dev);
+void blkfront_sync(struct blkfront_dev *dev);
+void shutdown_blkfront(struct blkfront_dev *dev);
+
+extern struct wait_queue_head blkfront_queue;