From 1a2238d1bddc823df06f67312d96ccf9de2893cc Mon Sep 17 00:00:00 2001
From: root <root@lamia.panaceas.james.local>
Date: Sat, 19 Dec 2015 13:13:57 +0000
Subject: CFE from danitool [without hostTools dir]:
 https://mega.nz/#!mwZyFK7a!CPT3BKC8dEw29kubtdYxhB91G9vIIismTkgzQ3iUy3k

---
 .../usr/include/linux/virtio_blk.h                 | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/virtio_blk.h

(limited to 'uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/virtio_blk.h')

diff --git a/uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/virtio_blk.h b/uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/virtio_blk.h
new file mode 100644
index 0000000..94c56d2
--- /dev/null
+++ b/uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/virtio_blk.h
@@ -0,0 +1,62 @@
+#ifndef _LINUX_VIRTIO_BLK_H
+#define _LINUX_VIRTIO_BLK_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
+#include <linux/types.h>
+#include <linux/virtio_config.h>
+
+/* The ID for virtio_block */
+#define VIRTIO_ID_BLOCK	2
+
+/* Feature bits */
+#define VIRTIO_BLK_F_BARRIER	0	/* Does host support barriers? */
+#define VIRTIO_BLK_F_SIZE_MAX	1	/* Indicates maximum segment size */
+#define VIRTIO_BLK_F_SEG_MAX	2	/* Indicates maximum # of segments */
+#define VIRTIO_BLK_F_GEOMETRY	4	/* Legacy geometry available  */
+#define VIRTIO_BLK_F_RO		5	/* Disk is read-only */
+#define VIRTIO_BLK_F_BLK_SIZE	6	/* Block size of disk is available*/
+
+struct virtio_blk_config
+{
+	/* The capacity (in 512-byte sectors). */
+	__u64 capacity;
+	/* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
+	__u32 size_max;
+	/* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
+	__u32 seg_max;
+	/* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */
+	struct virtio_blk_geometry {
+		__u16 cylinders;
+		__u8 heads;
+		__u8 sectors;
+	} geometry;
+	/* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
+	__u32 blk_size;
+} __attribute__((packed));
+
+/* These two define direction. */
+#define VIRTIO_BLK_T_IN		0
+#define VIRTIO_BLK_T_OUT	1
+
+/* This bit says it's a scsi command, not an actual read or write. */
+#define VIRTIO_BLK_T_SCSI_CMD	2
+
+/* Barrier before this op. */
+#define VIRTIO_BLK_T_BARRIER	0x80000000
+
+/* This is the first element of the read scatter-gather list. */
+struct virtio_blk_outhdr
+{
+	/* VIRTIO_BLK_T* */
+	__u32 type;
+	/* io priority. */
+	__u32 ioprio;
+	/* Sector (ie. 512 byte offset) */
+	__u64 sector;
+};
+
+/* And this is the final byte of the write scatter-gather list. */
+#define VIRTIO_BLK_S_OK		0
+#define VIRTIO_BLK_S_IOERR	1
+#define VIRTIO_BLK_S_UNSUPP	2
+#endif /* _LINUX_VIRTIO_BLK_H */
-- 
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