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-rw-r--r--include/linux/virtio_blk.h130
1 files changed, 0 insertions, 130 deletions
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
deleted file mode 100644
index 6d8e61c48563..000000000000
--- a/include/linux/virtio_blk.h
+++ /dev/null
@@ -1,130 +0,0 @@
-#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.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of IBM nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE. */
-#include <linux/types.h>
-#include <linux/virtio_ids.h>
-#include <linux/virtio_config.h>
-
-/* 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*/
-#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */
-#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */
-#define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */
-#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */
-
-#ifndef __KERNEL__
-/* Old (deprecated) name for VIRTIO_BLK_F_WCE. */
-#define VIRTIO_BLK_F_FLUSH VIRTIO_BLK_F_WCE
-#endif
-
-#define VIRTIO_BLK_ID_BYTES 20 /* ID string length */
-
-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;
-
- /* the next 4 entries are guarded by VIRTIO_BLK_F_TOPOLOGY */
- /* exponent for physical block per logical block. */
- __u8 physical_block_exp;
- /* alignment offset in logical blocks. */
- __u8 alignment_offset;
- /* minimum I/O size without performance penalty in logical blocks. */
- __u16 min_io_size;
- /* optimal sustained I/O size in logical blocks. */
- __u32 opt_io_size;
-
- /* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */
- __u8 wce;
-} __attribute__((packed));
-
-/*
- * Command types
- *
- * Usage is a bit tricky as some bits are used as flags and some are not.
- *
- * Rules:
- * VIRTIO_BLK_T_OUT may be combined with VIRTIO_BLK_T_SCSI_CMD or
- * VIRTIO_BLK_T_BARRIER. VIRTIO_BLK_T_FLUSH is a command of its own
- * and may not be combined with any of the other flags.
- */
-
-/* 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
-
-/* Cache flush command */
-#define VIRTIO_BLK_T_FLUSH 4
-
-/* Get device ID command */
-#define VIRTIO_BLK_T_GET_ID 8
-
-/* 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;
-};
-
-struct virtio_scsi_inhdr {
- __u32 errors;
- __u32 data_len;
- __u32 sense_len;
- __u32 residual;
-};
-
-/* 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 */