Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (119 commits)
  [SCSI] scsi_dh_rdac: Retry for NOT_READY check condition
  [SCSI] mpt2sas: make global symbols unique
  [SCSI] sd: Make revalidate less chatty
  [SCSI] sd: Try READ CAPACITY 16 first for SBC-2 devices
  [SCSI] sd: Refactor sd_read_capacity()
  [SCSI] mpt2sas v00.100.11.15
  [SCSI] mpt2sas: add MPT2SAS_MINOR(221) to miscdevice.h
  [SCSI] ch: Add scsi type modalias
  [SCSI] 3w-9xxx: add power management support
  [SCSI] bsg: add linux/types.h include to bsg.h
  [SCSI] cxgb3i: fix function descriptions
  [SCSI] libiscsi: fix possbile null ptr session command cleanup
  [SCSI] iscsi class: remove host no argument from session creation callout
  [SCSI] libiscsi: pass session failure a session struct
  [SCSI] iscsi lib: remove qdepth param from iscsi host allocation
  [SCSI] iscsi lib: have lib create work queue for transmitting IO
  [SCSI] iscsi class: fix lock dep warning on logout
  [SCSI] libiscsi: don't cap queue depth in iscsi modules
  [SCSI] iscsi_tcp: replace scsi_debug/tcp_debug logging with iscsi conn logging
  [SCSI] libiscsi_tcp: replace tcp_debug/scsi_debug logging with session/conn logging
  ...

21 files changed, 1771 insertions, 92 deletions

diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index 3f0c64ace42..ecb4730d086 100644
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -1,6 +1,8 @@
 #ifndef BSG_H
 #define BSG_H
 
+#include <linux/types.h>
+
 #define BSG_PROTOCOL_SCSI		0
 
 #define BSG_SUB_PROTOCOL_SCSI_CMD	0
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 0216e1bdbc5..cfe4fe1b713 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -78,6 +78,7 @@
 #define ETH_P_PAE	0x888E		/* Port Access Entity (IEEE 802.1X) */
 #define ETH_P_AOE	0x88A2		/* ATA over Ethernet		*/
 #define ETH_P_TIPC	0x88CA		/* TIPC 			*/
+#define ETH_P_FCOE	0x8906		/* Fibre Channel over Ethernet  */
 #define ETH_P_EDSA	0xDADA		/* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */
 
 /*
diff --git a/include/linux/major.h b/include/linux/major.h
index 88249452b93..058ec15dd06 100644
--- a/include/linux/major.h
+++ b/include/linux/major.h
@@ -171,5 +171,6 @@
 #define VIOTAPE_MAJOR		230
 
 #define BLOCK_EXT_MAJOR		259
+#define SCSI_OSD_MAJOR		260	/* open-osd's OSD scsi device */
 
 #endif
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index a820f816a49..beb6ec99cfe 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -26,6 +26,7 @@
 #define TUN_MINOR		200
 #define MWAVE_MINOR		219	/* ACP/Mwave Modem */
 #define MPT_MINOR		220
+#define MPT2SAS_MINOR		221
 #define HPET_MINOR		228
 #define FUSE_MINOR		229
 #define KVM_MINOR		232
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1b55952a17f..2e7783f4a75 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -594,6 +594,14 @@ struct net_device_ops {
 #define HAVE_NETDEV_POLL
 	void                    (*ndo_poll_controller)(struct net_device *dev);
 #endif
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	int			(*ndo_fcoe_ddp_setup)(struct net_device *dev,
+						      u16 xid,
+						      struct scatterlist *sgl,
+						      unsigned int sgc);
+	int			(*ndo_fcoe_ddp_done)(struct net_device *dev,
+						     u16 xid);
+#endif
 };
 
 /*
@@ -662,14 +670,17 @@ struct net_device
 #define NETIF_F_GRO		16384	/* Generic receive offload */
 #define NETIF_F_LRO		32768	/* large receive offload */
 
+#define NETIF_F_FCOE_CRC	(1 << 24) /* FCoE CRC32 */
+
 	/* Segmentation offload features */
 #define NETIF_F_GSO_SHIFT	16
-#define NETIF_F_GSO_MASK	0xffff0000
+#define NETIF_F_GSO_MASK	0x00ff0000
 #define NETIF_F_TSO		(SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
 #define NETIF_F_UFO		(SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
 #define NETIF_F_GSO_ROBUST	(SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
 #define NETIF_F_TSO_ECN		(SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
 #define NETIF_F_TSO6		(SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
+#define NETIF_F_FSO		(SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)
 
 	/* List of features with software fallbacks. */
 #define NETIF_F_GSO_SOFTWARE	(NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
@@ -852,6 +863,11 @@ struct net_device
 	struct dcbnl_rtnl_ops *dcbnl_ops;
 #endif
 
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	/* max exchange id for FCoE LRO by ddp */
+	unsigned int		fcoe_ddp_xid;
+#endif
+
 #ifdef CONFIG_COMPAT_NET_DEV_OPS
 	struct {
 		int			(*init)(struct net_device *dev);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bb1981fd60f..55d67300fa1 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -236,6 +236,8 @@ enum {
 	SKB_GSO_TCP_ECN = 1 << 3,
 
 	SKB_GSO_TCPV6 = 1 << 4,
+
+	SKB_GSO_FCOE = 1 << 5,
 };
 
 #if BITS_PER_LONG > 32
diff --git a/include/scsi/fc/fc_fcoe.h b/include/scsi/fc/fc_fcoe.h
index f271d9cc0fc..ccb3dbe9046 100644
--- a/include/scsi/fc/fc_fcoe.h
+++ b/include/scsi/fc/fc_fcoe.h
@@ -25,13 +25,6 @@
  */
 
 /*
- * The FCoE ethertype eventually goes in net/if_ether.h.
- */
-#ifndef ETH_P_FCOE
-#define	ETH_P_FCOE	0x8906		/* FCOE ether type */
-#endif
-
-/*
  * FC_FCOE_OUI hasn't been standardized yet.   XXX TBD.
  */
 #ifndef FC_FCOE_OUI
diff --git a/include/scsi/fc_frame.h b/include/scsi/fc_frame.h
index 04d34a71355..59511057cee 100644
--- a/include/scsi/fc_frame.h
+++ b/include/scsi/fc_frame.h
@@ -54,8 +54,7 @@
 #define fr_eof(fp)	(fr_cb(fp)->fr_eof)
 #define fr_flags(fp)	(fr_cb(fp)->fr_flags)
 #define fr_max_payload(fp)	(fr_cb(fp)->fr_max_payload)
-#define fr_cmd(fp)	(fr_cb(fp)->fr_cmd)
-#define fr_dir(fp)	(fr_cmd(fp)->sc_data_direction)
+#define fr_fsp(fp)	(fr_cb(fp)->fr_fsp)
 #define fr_crc(fp)	(fr_cb(fp)->fr_crc)
 
 struct fc_frame {
@@ -66,7 +65,7 @@ struct fcoe_rcv_info {
 	struct packet_type  *ptype;
 	struct fc_lport	*fr_dev;	/* transport layer private pointer */
 	struct fc_seq	*fr_seq;	/* for use with exchange manager */
-	struct scsi_cmnd *fr_cmd;	/* for use of scsi command */
+	struct fc_fcp_pkt *fr_fsp;	/* for the corresponding fcp I/O */
 	u32		fr_crc;
 	u16		fr_max_payload;	/* max FC payload */
 	enum fc_sof	fr_sof;		/* start of frame delimiter */
@@ -218,20 +217,6 @@ static inline bool fc_frame_is_cmd(const struct fc_frame *fp)
 	return fc_frame_rctl(fp) == FC_RCTL_DD_UNSOL_CMD;
 }
 
-static inline bool fc_frame_is_read(const struct fc_frame *fp)
-{
-	if (fc_frame_is_cmd(fp) && fr_cmd(fp))
-		return fr_dir(fp) == DMA_FROM_DEVICE;
-	return false;
-}
-
-static inline bool fc_frame_is_write(const struct fc_frame *fp)
-{
-	if (fc_frame_is_cmd(fp) && fr_cmd(fp))
-		return fr_dir(fp) == DMA_TO_DEVICE;
-	return false;
-}
-
 /*
  * Check for leaks.
  * Print the frame header of any currently allocated frame, assuming there
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index a2e126b86e3..a70eafaad08 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -245,6 +245,7 @@ struct fc_fcp_pkt {
 	 */
 	struct fcp_cmnd cdb_cmd;
 	size_t		xfer_len;
+	u16		xfer_ddp;	/* this xfer is ddped */
 	u32		xfer_contig_end; /* offset of end of contiguous xfer */
 	u16		max_payload;	/* max payload size in bytes */
 
@@ -267,6 +268,15 @@ struct fc_fcp_pkt {
 	u8		recov_retry;	/* count of recovery retries */
 	struct fc_seq	*recov_seq;	/* sequence for REC or SRR */
 };
+/*
+ * FC_FCP HELPER FUNCTIONS
+ *****************************/
+static inline bool fc_fcp_is_read(const struct fc_fcp_pkt *fsp)
+{
+	if (fsp && fsp->cmd)
+		return fsp->cmd->sc_data_direction == DMA_FROM_DEVICE;
+	return false;
+}
 
 /*
  * Structure and function definitions for managing Fibre Channel Exchanges
@@ -400,6 +410,21 @@ struct libfc_function_template {
 					void *arg, unsigned int timer_msec);
 
 	/*
+	 * Sets up the DDP context for a given exchange id on the given
+	 * scatterlist if LLD supports DDP for large receive.
+	 *
+	 * STATUS: OPTIONAL
+	 */
+	int (*ddp_setup)(struct fc_lport *lp, u16 xid,
+			 struct scatterlist *sgl, unsigned int sgc);
+	/*
+	 * Completes the DDP transfer and returns the length of data DDPed
+	 * for the given exchange id.
+	 *
+	 * STATUS: OPTIONAL
+	 */
+	int (*ddp_done)(struct fc_lport *lp, u16 xid);
+	/*
 	 * Send a frame using an existing sequence and exchange.
 	 *
 	 * STATUS: OPTIONAL
@@ -654,6 +679,7 @@ struct fc_lport {
 	u16			link_speed;
 	u16			link_supported_speeds;
 	u16			lro_xid;	/* max xid for fcoe lro */
+	unsigned int		lso_max;	/* max large send size */
 	struct fc_ns_fts	fcts;	        /* FC-4 type masks */
 	struct fc_els_rnid_gen	rnid_gen;	/* RNID information */
 
@@ -821,6 +847,11 @@ int fc_change_queue_type(struct scsi_device *sdev, int tag_type);
 void fc_fcp_destroy(struct fc_lport *);
 
 /*
+ * Set up direct-data placement for this I/O request
+ */
+void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid);
+
+/*
  * ELS/CT interface
  *****************************/
 /*
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 941818f29f5..c41f7d0c6ef 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -124,24 +124,6 @@ static inline u16 skb_fc_rxid(const struct sk_buff *skb)
 	return be16_to_cpu(skb_fc_header(skb)->fh_rx_id);
 }
 
-/* FIXME - DMA_BIDIRECTIONAL ? */
-#define skb_cb(skb)	((struct fcoe_rcv_info *)&((skb)->cb[0]))
-#define skb_cmd(skb)	(skb_cb(skb)->fr_cmd)
-#define skb_dir(skb)	(skb_cmd(skb)->sc_data_direction)
-static inline bool skb_fc_is_read(const struct sk_buff *skb)
-{
-	if (skb_fc_is_cmd(skb) && skb_cmd(skb))
-		return skb_dir(skb) == DMA_FROM_DEVICE;
-	return false;
-}
-
-static inline bool skb_fc_is_write(const struct sk_buff *skb)
-{
-	if (skb_fc_is_cmd(skb) && skb_cmd(skb))
-		return skb_dir(skb) == DMA_TO_DEVICE;
-	return false;
-}
-
 /* libfcoe funcs */
 int fcoe_reset(struct Scsi_Host *shost);
 u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN],
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 7360e1916e7..7ffaed2f94d 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -45,18 +45,10 @@ struct iscsi_session;
 struct iscsi_nopin;
 struct device;
 
-/* #define DEBUG_SCSI */
-#ifdef DEBUG_SCSI
-#define debug_scsi(fmt...) printk(KERN_INFO "iscsi: " fmt)
-#else
-#define debug_scsi(fmt...)
-#endif
-
 #define ISCSI_DEF_XMIT_CMDS_MAX	128	/* must be power of 2 */
 #define ISCSI_MGMT_CMDS_MAX	15
 
-#define ISCSI_DEF_CMD_PER_LUN		32
-#define ISCSI_MAX_CMD_PER_LUN		128
+#define ISCSI_DEF_CMD_PER_LUN	32
 
 /* Task Mgmt states */
 enum {
@@ -326,6 +318,9 @@ struct iscsi_host {
 	spinlock_t		lock;
 	int			num_sessions;
 	int			state;
+
+	struct workqueue_struct	*workq;
+	char			workq_name[20];
 };
 
 /*
@@ -351,7 +346,8 @@ extern int iscsi_host_get_param(struct Scsi_Host *shost,
 				enum iscsi_host_param param, char *buf);
 extern int iscsi_host_add(struct Scsi_Host *shost, struct device *pdev);
 extern struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
-					  int dd_data_size, uint16_t qdepth);
+					  int dd_data_size,
+					  bool xmit_can_sleep);
 extern void iscsi_host_remove(struct Scsi_Host *shost);
 extern void iscsi_host_free(struct Scsi_Host *shost);
 
@@ -382,11 +378,12 @@ extern void iscsi_conn_stop(struct iscsi_cls_conn *, int);
 extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *,
 			   int);
 extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err);
-extern void iscsi_session_failure(struct iscsi_cls_session *cls_session,
+extern void iscsi_session_failure(struct iscsi_session *session,
 				  enum iscsi_err err);
 extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
 				enum iscsi_param param, char *buf);
 extern void iscsi_suspend_tx(struct iscsi_conn *conn);
+extern void iscsi_conn_queue_work(struct iscsi_conn *conn);
 
 #define iscsi_conn_printk(prefix, _c, fmt, a...) \
 	iscsi_cls_conn_printk(prefix, ((struct iscsi_conn *)_c)->cls_conn, \
diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h
new file mode 100644
index 00000000000..f888a6fda07
--- /dev/null
+++ b/include/scsi/osd_attributes.h
@@ -0,0 +1,327 @@
+#ifndef __OSD_ATTRIBUTES_H__
+#define __OSD_ATTRIBUTES_H__
+
+#include "osd_protocol.h"
+
+/*
+ * Contains types and constants that define attribute pages and attribute
+ * numbers and their data types.
+ */
+
+#define ATTR_SET(pg, id, l, ptr) \
+	{ .attr_page = pg, .attr_id = id, .len = l, .val_ptr = ptr }
+
+#define ATTR_DEF(pg, id, l) ATTR_SET(pg, id, l, NULL)
+
+/* osd-r10 4.7.3 Attributes pages */
+enum {
+	OSD_APAGE_OBJECT_FIRST		= 0x0,
+	OSD_APAGE_OBJECT_DIRECTORY	= 0,
+	OSD_APAGE_OBJECT_INFORMATION	= 1,
+	OSD_APAGE_OBJECT_QUOTAS		= 2,
+	OSD_APAGE_OBJECT_TIMESTAMP	= 3,
+	OSD_APAGE_OBJECT_COLLECTIONS	= 4,
+	OSD_APAGE_OBJECT_SECURITY	= 5,
+	OSD_APAGE_OBJECT_LAST		= 0x2fffffff,
+
+	OSD_APAGE_PARTITION_FIRST	= 0x30000000,
+	OSD_APAGE_PARTITION_DIRECTORY	= OSD_APAGE_PARTITION_FIRST + 0,
+	OSD_APAGE_PARTITION_INFORMATION = OSD_APAGE_PARTITION_FIRST + 1,
+	OSD_APAGE_PARTITION_QUOTAS	= OSD_APAGE_PARTITION_FIRST + 2,
+	OSD_APAGE_PARTITION_TIMESTAMP	= OSD_APAGE_PARTITION_FIRST + 3,
+	OSD_APAGE_PARTITION_SECURITY	= OSD_APAGE_PARTITION_FIRST + 5,
+	OSD_APAGE_PARTITION_LAST	= 0x5FFFFFFF,
+
+	OSD_APAGE_COLLECTION_FIRST	= 0x60000000,
+	OSD_APAGE_COLLECTION_DIRECTORY	= OSD_APAGE_COLLECTION_FIRST + 0,
+	OSD_APAGE_COLLECTION_INFORMATION = OSD_APAGE_COLLECTION_FIRST + 1,
+	OSD_APAGE_COLLECTION_TIMESTAMP	= OSD_APAGE_COLLECTION_FIRST + 3,
+	OSD_APAGE_COLLECTION_SECURITY	= OSD_APAGE_COLLECTION_FIRST + 5,
+	OSD_APAGE_COLLECTION_LAST	= 0x8FFFFFFF,
+
+	OSD_APAGE_ROOT_FIRST		= 0x90000000,
+	OSD_APAGE_ROOT_DIRECTORY	= OSD_APAGE_ROOT_FIRST + 0,
+	OSD_APAGE_ROOT_INFORMATION	= OSD_APAGE_ROOT_FIRST + 1,
+	OSD_APAGE_ROOT_QUOTAS		= OSD_APAGE_ROOT_FIRST + 2,
+	OSD_APAGE_ROOT_TIMESTAMP	= OSD_APAGE_ROOT_FIRST + 3,
+	OSD_APAGE_ROOT_SECURITY		= OSD_APAGE_ROOT_FIRST + 5,
+	OSD_APAGE_ROOT_LAST		= 0xBFFFFFFF,
+
+	OSD_APAGE_RESERVED_TYPE_FIRST	= 0xC0000000,
+	OSD_APAGE_RESERVED_TYPE_LAST	= 0xEFFFFFFF,
+
+	OSD_APAGE_COMMON_FIRST		= 0xF0000000,
+	OSD_APAGE_COMMON_LAST		= 0xFFFFFFFE,
+
+	OSD_APAGE_REQUEST_ALL		= 0xFFFFFFFF,
+};
+
+/* subcategories of attr pages within each range above */
+enum {
+	OSD_APAGE_STD_FIRST		= 0x0,
+	OSD_APAGE_STD_DIRECTORY		= 0,
+	OSD_APAGE_STD_INFORMATION	= 1,
+	OSD_APAGE_STD_QUOTAS		= 2,
+	OSD_APAGE_STD_TIMESTAMP		= 3,
+	OSD_APAGE_STD_COLLECTIONS	= 4,
+	OSD_APAGE_STD_POLICY_SECURITY	= 5,
+	OSD_APAGE_STD_LAST		= 0x0000007F,
+
+	OSD_APAGE_RESERVED_FIRST	= 0x00000080,
+	OSD_APAGE_RESERVED_LAST		= 0x00007FFF,
+
+	OSD_APAGE_OTHER_STD_FIRST	= 0x00008000,
+	OSD_APAGE_OTHER_STD_LAST	= 0x0000EFFF,
+
+	OSD_APAGE_PUBLIC_FIRST		= 0x0000F000,
+	OSD_APAGE_PUBLIC_LAST		= 0x0000FFFF,
+
+	OSD_APAGE_APP_DEFINED_FIRST	= 0x00010000,
+	OSD_APAGE_APP_DEFINED_LAST	= 0x1FFFFFFF,
+
+	OSD_APAGE_VENDOR_SPECIFIC_FIRST	= 0x20000000,
+	OSD_APAGE_VENDOR_SPECIFIC_LAST	= 0x2FFFFFFF,
+};
+
+enum {
+	OSD_ATTR_PAGE_IDENTIFICATION = 0, /* in all pages 40 bytes */
+};
+
+struct page_identification {
+	u8 vendor_identification[8];
+	u8 page_identification[32];
+}  __packed;
+
+struct osd_attr_page_header {
+	__be32 page_number;
+	__be32 page_length;
+} __packed;
+
+/* 7.1.2.8 Root Information attributes page (OSD_APAGE_ROOT_INFORMATION) */
+enum {
+	OSD_ATTR_RI_OSD_SYSTEM_ID            = 0x3,   /* 20       */
+	OSD_ATTR_RI_VENDOR_IDENTIFICATION    = 0x4,   /* 8        */
+	OSD_ATTR_RI_PRODUCT_IDENTIFICATION   = 0x5,   /* 16       */
+	OSD_ATTR_RI_PRODUCT_MODEL            = 0x6,   /* 32       */
+	OSD_ATTR_RI_PRODUCT_REVISION_LEVEL   = 0x7,   /* 4        */
+	OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER    = 0x8,   /* variable */
+	OSD_ATTR_RI_OSD_NAME                 = 0x9,   /* variable */
+	OSD_ATTR_RI_TOTAL_CAPACITY           = 0x80,  /* 8        */
+	OSD_ATTR_RI_USED_CAPACITY            = 0x81,  /* 8        */
+	OSD_ATTR_RI_NUMBER_OF_PARTITIONS     = 0xC0,  /* 8        */
+	OSD_ATTR_RI_CLOCK                    = 0x100, /* 6        */
+};
+/* Root_Information_attributes_page does not have a get_page structure */
+
+/* 7.1.2.9 Partition Information attributes page
+ * (OSD_APAGE_PARTITION_INFORMATION)
+ */
+enum {
+	OSD_ATTR_PI_PARTITION_ID            = 0x1,     /* 8        */
+	OSD_ATTR_PI_USERNAME                = 0x9,     /* variable */
+	OSD_ATTR_PI_USED_CAPACITY           = 0x81,    /* 8        */
+	OSD_ATTR_PI_NUMBER_OF_OBJECTS       = 0xC1,    /* 8        */
+};
+/* Partition Information attributes page does not have a get_page structure */
+
+/* 7.1.2.10 Collection Information attributes page
+ * (OSD_APAGE_COLLECTION_INFORMATION)
+ */
+enum {
+	OSD_ATTR_CI_PARTITION_ID           = 0x1,       /* 8        */
+	OSD_ATTR_CI_COLLECTION_OBJECT_ID   = 0x2,       /* 8        */
+	OSD_ATTR_CI_USERNAME               = 0x9,       /* variable */
+	OSD_ATTR_CI_USED_CAPACITY          = 0x81,      /* 8        */
+};
+/* Collection Information attributes page does not have a get_page structure */
+
+/* 7.1.2.11 User Object Information attributes page
+ * (OSD_APAGE_OBJECT_INFORMATION)
+ */
+enum {
+	OSD_ATTR_OI_PARTITION_ID         = 0x1,       /* 8        */
+	OSD_ATTR_OI_OBJECT_ID            = 0x2,       /* 8        */
+	OSD_ATTR_OI_USERNAME             = 0x9,       /* variable */
+	OSD_ATTR_OI_USED_CAPACITY        = 0x81,      /* 8        */
+	OSD_ATTR_OI_LOGICAL_LENGTH       = 0x82,      /* 8        */
+};
+/* Object Information attributes page does not have a get_page structure */
+
+/* 7.1.2.12 Root Quotas attributes page (OSD_APAGE_ROOT_QUOTAS) */
+enum {
+	OSD_ATTR_RQ_DEFAULT_MAXIMUM_USER_OBJECT_LENGTH     = 0x1,      /* 8  */
+	OSD_ATTR_RQ_PARTITION_CAPACITY_QUOTA               = 0x10001,  /* 8  */
+	OSD_ATTR_RQ_PARTITION_OBJECT_COUNT                 = 0x10002,  /* 8  */
+	OSD_ATTR_RQ_PARTITION_COLLECTIONS_PER_USER_OBJECT  = 0x10081,  /* 4  */
+	OSD_ATTR_RQ_PARTITION_COUNT                        = 0x20002,  /* 8  */
+};
+
+struct Root_Quotas_attributes_page {
+	struct osd_attr_page_header hdr; /* id=R+2, size=0x24 */
+	__be64 default_maximum_user_object_length;
+	__be64 partition_capacity_quota;
+	__be64 partition_object_count;
+	__be64 partition_collections_per_user_object;
+	__be64 partition_count;
+}  __packed;
+
+/* 7.1.2.13 Partition Quotas attributes page (OSD_APAGE_PARTITION_QUOTAS)*/
+enum {
+	OSD_ATTR_PQ_DEFAULT_MAXIMUM_USER_OBJECT_LENGTH  = 0x1,        /* 8 */
+	OSD_ATTR_PQ_CAPACITY_QUOTA                      = 0x10001,    /* 8 */
+	OSD_ATTR_PQ_OBJECT_COUNT                        = 0x10002,    /* 8 */
+	OSD_ATTR_PQ_COLLECTIONS_PER_USER_OBJECT         = 0x10081,    /* 4 */
+};
+
+struct Partition_Quotas_attributes_page {
+	struct osd_attr_page_header hdr; /* id=P+2, size=0x1C */
+	__be64 default_maximum_user_object_length;
+	__be64 capacity_quota;
+	__be64 object_count;
+	__be64 collections_per_user_object;
+}  __packed;
+
+/* 7.1.2.14 User Object Quotas attributes page (OSD_APAGE_OBJECT_QUOTAS) */
+enum {
+	OSD_ATTR_OQ_MAXIMUM_LENGTH  = 0x1,        /* 8 */
+};
+
+struct Object_Quotas_attributes_page {
+	struct osd_attr_page_header hdr; /* id=U+2, size=0x8 */
+	__be64 maximum_length;
+}  __packed;
+
+/* 7.1.2.15 Root Timestamps attributes page (OSD_APAGE_ROOT_TIMESTAMP) */
+enum {
+	OSD_ATTR_RT_ATTRIBUTES_ACCESSED_TIME  = 0x2,        /* 6 */
+	OSD_ATTR_RT_ATTRIBUTES_MODIFIED_TIME  = 0x3,        /* 6 */
+	OSD_ATTR_RT_TIMESTAMP_BYPASS          = 0xFFFFFFFE, /* 1 */
+};
+
+struct root_timestamps_attributes_page {
+	struct osd_attr_page_header hdr; /* id=R+3, size=0xD */
+	struct osd_timestamp attributes_accessed_time;
+	struct osd_timestamp attributes_modified_time;
+	u8 timestamp_bypass;
+}  __packed;
+
+/* 7.1.2.16 Partition Timestamps attributes page
+ * (OSD_APAGE_PARTITION_TIMESTAMP)
+ */
+enum {
+	OSD_ATTR_PT_CREATED_TIME              = 0x1,        /* 6 */
+	OSD_ATTR_PT_ATTRIBUTES_ACCESSED_TIME  = 0x2,        /* 6 */
+	OSD_ATTR_PT_ATTRIBUTES_MODIFIED_TIME  = 0x3,        /* 6 */
+	OSD_ATTR_PT_DATA_ACCESSED_TIME        = 0x4,        /* 6 */
+	OSD_ATTR_PT_DATA_MODIFIED_TIME        = 0x5,        /* 6 */
+	OSD_ATTR_PT_TIMESTAMP_BYPASS          = 0xFFFFFFFE, /* 1 */
+};
+
+struct partition_timestamps_attributes_page {
+	struct osd_attr_page_header hdr; /* id=P+3, size=0x1F */
+	struct osd_timestamp created_time;
+	struct osd_timestamp attributes_accessed_time;
+	struct osd_timestamp attributes_modified_time;
+	struct osd_timestamp data_accessed_time;
+	struct osd_timestamp data_modified_time;
+	u8 timestamp_bypass;
+}  __packed;
+
+/* 7.1.2.17/18 Collection/Object Timestamps attributes page
+ * (OSD_APAGE_COLLECTION_TIMESTAMP/OSD_APAGE_OBJECT_TIMESTAMP)
+ */
+enum {
+	OSD_ATTR_OT_CREATED_TIME              = 0x1,        /* 6 */
+	OSD_ATTR_OT_ATTRIBUTES_ACCESSED_TIME  = 0x2,        /* 6 */
+	OSD_ATTR_OT_ATTRIBUTES_MODIFIED_TIME  = 0x3,        /* 6 */
+	OSD_ATTR_OT_DATA_ACCESSED_TIME        = 0x4,        /* 6 */
+	OSD_ATTR_OT_DATA_MODIFIED_TIME        = 0x5,        /* 6 */
+};
+
+/* same for collection */
+struct object_timestamps_attributes_page {
+	struct osd_attr_page_header hdr; /* id=C+3/3, size=0x1E */
+	struct osd_timestamp created_time;
+	struct osd_timestamp attributes_accessed_time;
+	struct osd_timestamp attributes_modified_time;
+	struct osd_timestamp data_accessed_time;
+	struct osd_timestamp data_modified_time;
+}  __packed;
+
+/* 7.1.2.19 Collections attributes page */
+/* TBD */
+
+/* 7.1.2.20 Root Policy/Security attributes page (OSD_APAGE_ROOT_SECURITY) */
+enum {
+	OSD_ATTR_RS_DEFAULT_SECURITY_METHOD           = 0x1,       /* 1      */
+	OSD_ATTR_RS_OLDEST_VALID_NONCE_LIMIT          = 0x2,       /* 6      */
+	OSD_ATTR_RS_NEWEST_VALID_NONCE_LIMIT          = 0x3,       /* 6      */
+	OSD_ATTR_RS_PARTITION_DEFAULT_SECURITY_METHOD = 0x6,       /* 1      */
+	OSD_ATTR_RS_SUPPORTED_SECURITY_METHODS        = 0x7,       /* 2      */
+	OSD_ATTR_RS_ADJUSTABLE_CLOCK                  = 0x9,       /* 6      */
+	OSD_ATTR_RS_MASTER_KEY_IDENTIFIER             = 0x7FFD,    /* 0 or 7 */
+	OSD_ATTR_RS_ROOT_KEY_IDENTIFIER               = 0x7FFE,    /* 0 or 7 */
+	OSD_ATTR_RS_SUPPORTED_INTEGRITY_ALGORITHM_0   = 0x80000000,/* 1,(x16)*/
+	OSD_ATTR_RS_SUPPORTED_DH_GROUP_0              = 0x80000010,/* 1,(x16)*/
+};
+
+struct root_security_attributes_page {
+	struct osd_attr_page_header hdr; /* id=R+5, size=0x3F */
+	u8 default_security_method;
+	u8 partition_default_security_method;
+	__be16 supported_security_methods;
+	u8 mki_valid_rki_valid;
+	struct osd_timestamp oldest_valid_nonce_limit;
+	struct osd_timestamp newest_valid_nonce_limit;
+	struct osd_timestamp adjustable_clock;
+	u8 master_key_identifier[32-25];
+	u8 root_key_identifier[39-32];
+	u8 supported_integrity_algorithm[16];
+	u8 supported_dh_group[16];
+}  __packed;
+
+/* 7.1.2.21 Partition Policy/Security attributes page
+ * (OSD_APAGE_PARTITION_SECURITY)
+ */
+enum {
+	OSD_ATTR_PS_DEFAULT_SECURITY_METHOD        = 0x1,        /* 1      */
+	OSD_ATTR_PS_OLDEST_VALID_NONCE             = 0x2,        /* 6      */
+	OSD_ATTR_PS_NEWEST_VALID_NONCE             = 0x3,        /* 6      */
+	OSD_ATTR_PS_REQUEST_NONCE_LIST_DEPTH       = 0x4,        /* 2      */
+	OSD_ATTR_PS_FROZEN_WORKING_KEY_BIT_MASK    = 0x5,        /* 2      */
+	OSD_ATTR_PS_PARTITION_KEY_IDENTIFIER       = 0x7FFF,     /* 0 or 7 */
+	OSD_ATTR_PS_WORKING_KEY_IDENTIFIER_FIRST   = 0x8000,     /* 0 or 7 */
+	OSD_ATTR_PS_WORKING_KEY_IDENTIFIER_LAST    = 0x800F,     /* 0 or 7 */
+	OSD_ATTR_PS_POLICY_ACCESS_TAG              = 0x40000001, /* 4      */
+	OSD_ATTR_PS_USER_OBJECT_POLICY_ACCESS_TAG  = 0x40000002, /* 4      */
+};
+
+struct partition_security_attributes_page {
+	struct osd_attr_page_header hdr; /* id=p+5, size=0x8f */
+	u8 reserved[3];
+	u8 default_security_method;
+	struct osd_timestamp oldest_valid_nonce;
+	struct osd_timestamp newest_valid_nonce;
+	__be16 request_nonce_list_depth;
+	__be16 frozen_working_key_bit_mask;
+	__be32 policy_access_tag;
+	__be32 user_object_policy_access_tag;
+	u8 pki_valid;
+	__be16 wki_00_0f_vld;
+	struct osd_key_identifier partition_key_identifier;
+	struct osd_key_identifier working_key_identifiers[16];
+}  __packed;
+
+/* 7.1.2.22/23 Collection/Object Policy-Security attributes page
+ * (OSD_APAGE_COLLECTION_SECURITY/OSD_APAGE_OBJECT_SECURITY)
+ */
+enum {
+	OSD_ATTR_OS_POLICY_ACCESS_TAG              = 0x40000001, /* 4      */
+};
+
+struct object_security_attributes_page {
+	struct osd_attr_page_header hdr; /* id=C+5/5, size=4 */
+	__be32 policy_access_tag;
+}  __packed;
+
+#endif /*ndef __OSD_ATTRIBUTES_H__*/
diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
new file mode 100644
index 00000000000..b24d9616eb4
--- /dev/null
+++ b/include/scsi/osd_initiator.h
@@ -0,0 +1,433 @@
+/*
+ * osd_initiator.h - OSD initiator API definition
+ *
+ * Copyright (C) 2008 Panasas Inc.  All rights reserved.
+ *
+ * Authors:
+ *   Boaz Harrosh <bharrosh@panasas.com>
+ *   Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ */
+#ifndef __OSD_INITIATOR_H__
+#define __OSD_INITIATOR_H__
+
+#include "osd_protocol.h"
+#include "osd_types.h"
+
+#include <linux/blkdev.h>
+
+/* Note: "NI" in comments below means "Not Implemented yet" */
+
+/* Configure of code:
+ * #undef if you *don't* want OSD v1 support in runtime.
+ * If #defined the initiator will dynamically configure to encode OSD v1
+ * CDB's if the target is detected to be OSD v1 only.
+ * OSD v2 only commands, options, and attributes will be ignored if target
+ * is v1 only.
+ * If #defined will result in bigger/slower code (OK Slower maybe not)
+ * Q: Should this be CONFIG_SCSI_OSD_VER1_SUPPORT and set from Kconfig?
+ */
+#define OSD_VER1_SUPPORT y
+
+enum osd_std_version {
+	OSD_VER_NONE = 0,
+	OSD_VER1 = 1,
+	OSD_VER2 = 2,
+};
+
+/*
+ * Object-based Storage Device.
+ * This object represents an OSD device.
+ * It is not a full linux device in any way. It is only
+ * a place to hang resources associated with a Linux
+ * request Q and some default properties.
+ */
+struct osd_dev {
+	struct scsi_device *scsi_device;
+	unsigned def_timeout;
+
+#ifdef OSD_VER1_SUPPORT
+	enum osd_std_version version;
+#endif
+};
+
+/* Retrieve/return osd_dev(s) for use by Kernel clients */
+struct osd_dev *osduld_path_lookup(const char *dev_name); /*Use IS_ERR/ERR_PTR*/
+void osduld_put_device(struct osd_dev *od);
+
+/* Add/remove test ioctls from external modules */
+typedef int (do_test_fn)(struct osd_dev *od, unsigned cmd, unsigned long arg);
+int osduld_register_test(unsigned ioctl, do_test_fn *do_test);
+void osduld_unregister_test(unsigned ioctl);
+
+/* These are called by uld at probe time */
+void osd_dev_init(struct osd_dev *od, struct scsi_device *scsi_device);
+void osd_dev_fini(struct osd_dev *od);
+
+/* some hi level device operations */
+int osd_auto_detect_ver(struct osd_dev *od, void *caps);    /* GFP_KERNEL */
+
+/* we might want to use function vector in the future */
+static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v)
+{
+#ifdef OSD_VER1_SUPPORT
+	od->version = v;
+#endif
+}
+
+struct osd_request;
+typedef void (osd_req_done_fn)(struct osd_request *or, void *private);
+
+struct osd_request {
+	struct osd_cdb cdb;
+	struct osd_data_out_integrity_info out_data_integ;
+	struct osd_data_in_integrity_info in_data_integ;
+
+	struct osd_dev *osd_dev;
+	struct request *request;
+
+	struct _osd_req_data_segment {
+		void *buff;
+		unsigned alloc_size; /* 0 here means: don't call kfree */
+		unsigned total_bytes;
+	} set_attr, enc_get_attr, get_attr;
+
+	struct _osd_io_info {
+		struct bio *bio;
+		u64 total_bytes;
+		struct request *req;
+		struct _osd_req_data_segment *last_seg;
+		u8 *pad_buff;
+	} out, in;
+
+	gfp_t alloc_flags;
+	unsigned timeout;
+	unsigned retries;
+	u8 sense[OSD_MAX_SENSE_LEN];
+	enum osd_attributes_mode attributes_mode;
+
+	osd_req_done_fn *async_done;
+	void *async_private;
+	int async_error;
+};
+
+/* OSD Version control */
+static inline bool osd_req_is_ver1(struct osd_request *or)
+{
+#ifdef OSD_VER1_SUPPORT
+	return or->osd_dev->version == OSD_VER1;
+#else
+	return false;
+#endif
+}
+
+/*
+ * How to use the osd library:
+ *
+ * osd_start_request
+ *	Allocates a request.
+ *
+ * osd_req_*
+ *	Call one of, to encode the desired operation.
+ *
+ * osd_add_{get,set}_attr
+ *	Optionally add attributes to the CDB, list or page mode.
+ *
+ * osd_finalize_request
+ *	Computes final data out/in offsets and signs the request,
+ *	making it ready for execution.
+ *
+ * osd_execute_request
+ *	May be called to execute it through the block layer. Other wise submit
+ *	the associated block request in some other way.
+ *
+ * After execution:
+ * osd_req_decode_sense
+ *	Decodes sense information to verify execution results.
+ *
+ * osd_req_decode_get_attr
+ *	Retrieve osd_add_get_attr_list() values if used.
+ *
+ * osd_end_request
+ *	Must be called to deallocate the request.
+ */
+
+/**
+ * osd_start_request - Allocate and initialize an osd_request
+ *
+ * @osd_dev:    OSD device that holds the scsi-device and default values
+ *              that the request is associated with.
+ * @gfp:        The allocation flags to use for request allocation, and all
+ *              subsequent allocations. This will be stored at
+ *              osd_request->alloc_flags, can be changed by user later
+ *
+ * Allocate osd_request and initialize all members to the
+ * default/initial state.
+ */
+struct osd_request *osd_start_request(struct osd_dev *od, gfp_t gfp);
+
+enum osd_req_options {
+	OSD_REQ_FUA = 0x08,	/* Force Unit Access */
+	OSD_REQ_DPO = 0x10,	/* Disable Page Out */
+
+	OSD_REQ_BYPASS_TIMESTAMPS = 0x80,
+};
+
+/**
+ * osd_finalize_request - Sign request and prepare request for execution
+ *
+ * @or:		osd_request to prepare
+ * @options:	combination of osd_req_options bit flags or 0.
+ * @cap:	A Pointer to an OSD_CAP_LEN bytes buffer that is received from
+ *              The security manager as capabilities for this cdb.
+ * @cap_key:	The cryptographic key used to sign the cdb/data. Can be null
+ *              if NOSEC is used.
+ *
+ * The actual request and bios are only allocated here, so are the get_attr
+ * buffers that will receive the returned attributes. Copy's @cap to cdb.
+ * Sign the cdb/data with @cap_key.
+ */
+int osd_finalize_request(struct osd_request *or,
+	u8 options, const void *cap, const u8 *cap_key);
+
+/**
+ * osd_execute_request - Execute the request synchronously through block-layer
+ *
+ * @or:		osd_request to Executed
+ *
+ * Calls blk_execute_rq to q the command and waits for completion.
+ */
+int osd_execute_request(struct osd_request *or);
+
+/**
+ * osd_execute_request_async - Execute the request without waitting.
+ *
+ * @or:                      - osd_request to Executed
+ * @done: (Optional)         - Called at end of execution
+ * @private:                 - Will be passed to @done function
+ *
+ * Calls blk_execute_rq_nowait to queue the command. When execution is done
+ * optionally calls @done with @private as parameter. @or->async_error will
+ * have the return code
+ */
+int osd_execute_request_async(struct osd_request *or,
+	osd_req_done_fn *done, void *private);
+
+/**
+ * osd_req_decode_sense_full - Decode sense information after execution.
+ *
+ * @or:           - osd_request to examine
+ * @osi           - Recievs a more detailed error report information (optional).
+ * @silent        - Do not print to dmsg (Even if enabled)
+ * @bad_obj_list  - Some commands act on multiple objects. Failed objects will
+ *                  be recieved here (optional)
+ * @max_obj       - Size of @bad_obj_list.
+ * @bad_attr_list - List of failing attributes (optional)
+ * @max_attr      - Size of @bad_attr_list.
+ *
+ * After execution, sense + return code can be analyzed using this function. The
+ * return code is the final disposition on the error. So it is possible that a
+ * CHECK_CONDITION was returned from target but this will return NO_ERROR, for
+ * example on recovered errors. All parameters are optional if caller does
+ * not need any returned information.
+ * Note: This function will also dump the error to dmsg according to settings
+ * of the SCSI_OSD_DPRINT_SENSE Kconfig value. Set @silent if you know the
+ * command would routinely fail, to not spam the dmsg file.
+ */
+struct osd_sense_info {
+	int key;		/* one of enum scsi_sense_keys */
+	int additional_code ;	/* enum osd_additional_sense_codes */
+	union { /* Sense specific information */
+		u16 sense_info;
+		u16 cdb_field_offset; 	/* scsi_invalid_field_in_cdb */
+	};
+	union { /* Command specific information */
+		u64 command_info;
+	};
+
+	u32 not_initiated_command_functions; /* osd_command_functions_bits */
+	u32 completed_command_functions; /* osd_command_functions_bits */
+	struct osd_obj_id obj;
+	struct osd_attr attr;
+};
+
+int osd_req_decode_sense_full(struct osd_request *or,
+	struct osd_sense_info *osi, bool silent,
+	struct osd_obj_id *bad_obj_list, int max_obj,
+	struct osd_attr *bad_attr_list, int max_attr);
+
+static inline int osd_req_decode_sense(struct osd_request *or,
+	struct osd_sense_info *osi)
+{
+	return osd_req_decode_sense_full(or, osi, false, NULL, 0, NULL, 0);
+}
+
+/**
+ * osd_end_request - return osd_request to free store
+ *
+ * @or:		osd_request to free
+ *
+ * Deallocate all osd_request resources (struct req's, BIOs, buffers, etc.)
+ */
+void osd_end_request(struct osd_request *or);
+
+/*
+ * CDB Encoding
+ *
+ * Note: call only one of the following methods.
+ */
+
+/*
+ * Device commands
+ */
+void osd_req_set_master_seed_xchg(struct osd_request *or, ...);/* NI */
+void osd_req_set_master_key(struct osd_request *or, ...);/* NI */
+
+void osd_req_format(struct osd_request *or, u64 tot_capacity);
+
+/* list all partitions
+ * @list header must be initialized to zero on first run.
+ *
+ * Call osd_is_obj_list_done() to find if we got the complete list.
+ */
+int osd_req_list_dev_partitions(struct osd_request *or,
+	osd_id initial_id, struct osd_obj_id_list *list, unsigned nelem);
+
+void osd_req_flush_obsd(struct osd_request *or,
+	enum osd_options_flush_scope_values);
+
+void osd_req_perform_scsi_command(struct osd_request *or,
+	const u8 *cdb, ...);/* NI */
+void osd_req_task_management(struct osd_request *or, ...);/* NI */
+
+/*
+ * Partition commands
+ */
+void osd_req_create_partition(struct osd_request *or, osd_id partition);
+void osd_req_remove_partition(struct osd_request *or, osd_id partition);
+
+void osd_req_set_partition_key(struct osd_request *or,
+	osd_id partition, u8 new_key_id[OSD_CRYPTO_KEYID_SIZE],
+	u8 seed[OSD_CRYPTO_SEED_SIZE]);/* NI */
+
+/* list all collections in the partition
+ * @list header must be init to zero on first run.
+ *
+ * Call osd_is_obj_list_done() to find if we got the complete list.
+ */
+int osd_req_list_partition_collections(struct osd_request *or,
+	osd_id partition, osd_id initial_id, struct osd_obj_id_list *list,
+	unsigned nelem);
+
+/* list all objects in the partition
+ * @list header must be init to zero on first run.
+ *
+ * Call osd_is_obj_list_done() to find if we got the complete list.
+ */
+int osd_req_list_partition_objects(struct osd_request *or,
+	osd_id partition, osd_id initial_id, struct osd_obj_id_list *list,
+	unsigned nelem);
+
+void osd_req_flush_partition(struct osd_request *or,
+	osd_id partition, enum osd_options_flush_scope_values);
+
+/*
+ * Collection commands
+ */
+void osd_req_create_collection(struct osd_request *or,
+	const struct osd_obj_id *);/* NI */
+void osd_req_remove_collection(struct osd_request *or,
+	const struct osd_obj_id *);/* NI */
+
+/* list all objects in the collection */
+int osd_req_list_collection_objects(struct osd_request *or,
+	const struct osd_obj_id *, osd_id initial_id,
+	struct osd_obj_id_list *list, unsigned nelem);
+
+/* V2 only filtered list of objects in the collection */
+void osd_req_query(struct osd_request *or, ...);/* NI */
+
+void osd_req_flush_collection(struct osd_request *or,
+	const struct osd_obj_id *, enum osd_options_flush_scope_values);
+
+void osd_req_get_member_attrs(struct osd_request *or, ...);/* V2-only NI */
+void osd_req_set_member_attrs(struct osd_request *or, ...);/* V2-only NI */
+
+/*
+ * Object commands
+ */
+void osd_req_create_object(struct osd_request *or, struct osd_obj_id *);
+void osd_req_remove_object(struct osd_request *or, struct osd_obj_id *);
+
+void osd_req_write(struct osd_request *or,
+	const struct osd_obj_id *, struct bio *data_out, u64 offset);
+void osd_req_append(struct osd_request *or,
+	const struct osd_obj_id *, struct bio *data_out);/* NI */
+void osd_req_create_write(struct osd_request *or,
+	const struct osd_obj_id *, struct bio *data_out, u64 offset);/* NI */
+void osd_req_clear(struct osd_request *or,
+	const struct osd_obj_id *, u64 offset, u64 len);/* NI */
+void osd_req_punch(struct osd_request *or,
+	const struct osd_obj_id *, u64 offset, u64 len);/* V2-only NI */
+
+void osd_req_flush_object(struct osd_request *or,
+	const struct osd_obj_id *, enum osd_options_flush_scope_values,
+	/*V2*/ u64 offset, /*V2*/ u64 len);
+
+void osd_req_read(struct osd_request *or,
+	const struct osd_obj_id *, struct bio *data_in, u64 offset);
+
+/*
+ * Root/Partition/Collection/Object Attributes commands
+ */
+
+/* get before set */
+void osd_req_get_attributes(struct osd_request *or, const struct osd_obj_id *);
+
+/* set before get */
+void osd_req_set_attributes(struct osd_request *or, const struct osd_obj_id *);
+
+/*
+ * Attributes appended to most commands
+ */
+
+/* Attributes List mode (or V2 CDB) */
+  /*
+   * TODO: In ver2 if at finalize time only one attr was set and no gets,
+   * then the Attributes CDB mode is used automatically to save IO.
+   */
+
+/* set a list of attributes. */
+int osd_req_add_set_attr_list(struct osd_request *or,
+	const struct osd_attr *, unsigned nelem);
+
+/* get a list of attributes */
+int osd_req_add_get_attr_list(struct osd_request *or,
+	const struct osd_attr *, unsigned nelem);
+
+/*
+ * Attributes list decoding
+ * Must be called after osd_request.request was executed
+ * It is called in a loop to decode the returned get_attr
+ * (see osd_add_get_attr)
+ */
+int osd_req_decode_get_attr_list(struct osd_request *or,
+	struct osd_attr *, int *nelem, void **iterator);
+
+/* Attributes Page mode */
+
+/*
+ * Read an attribute page and optionally set one attribute
+ *
+ * Retrieves the attribute page directly to a user buffer.
+ * @attr_page_data shall stay valid until end of execution.
+ * See osd_attributes.h for common page structures
+ */
+int osd_req_add_get_attr_page(struct osd_request *or,
+	u32 page_id, void *attr_page_data, unsigned max_page_len,
+	const struct osd_attr *set_one);
+
+#endif /* __OSD_LIB_H__ */
diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h
new file mode 100644
index 00000000000..cd3cbf76465
--- /dev/null
+++ b/include/scsi/osd_protocol.h
@@ -0,0 +1,579 @@
+/*
+ * osd_protocol.h - OSD T10 standard C definitions.
+ *
+ * Copyright (C) 2008 Panasas Inc.  All rights reserved.
+ *
+ * Authors:
+ *   Boaz Harrosh <bharrosh@panasas.com>
+ *   Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ * This file contains types and constants that are defined by the protocol
+ * Note: All names and symbols are taken from the OSD standard's text.
+ */
+#ifndef __OSD_PROTOCOL_H__
+#define __OSD_PROTOCOL_H__
+
+#include <linux/types.h>
+#include <asm/unaligned.h>
+#include <scsi/scsi.h>
+
+enum {
+	OSDv1_ADDITIONAL_CDB_LENGTH = 192,
+	OSDv1_TOTAL_CDB_LEN = OSDv1_ADDITIONAL_CDB_LENGTH + 8,
+	OSDv1_CAP_LEN = 80,
+	/* Latest supported version */
+/* 	OSD_ADDITIONAL_CDB_LENGTH = 216,*/
+	OSD_ADDITIONAL_CDB_LENGTH =
+		OSDv1_ADDITIONAL_CDB_LENGTH, /* FIXME: Pete rev-001 sup */
+	OSD_TOTAL_CDB_LEN = OSD_ADDITIONAL_CDB_LENGTH + 8,
+/* 	OSD_CAP_LEN = 104,*/
+	OSD_CAP_LEN = OSDv1_CAP_LEN,/* FIXME: Pete rev-001 sup */
+
+	OSD_SYSTEMID_LEN = 20,
+	OSD_CRYPTO_KEYID_SIZE = 20,
+	/*FIXME: OSDv2_CRYPTO_KEYID_SIZE = 32,*/
+	OSD_CRYPTO_SEED_SIZE = 4,
+	OSD_CRYPTO_NONCE_SIZE = 12,
+	OSD_MAX_SENSE_LEN = 252, /* from SPC-3 */
+
+	OSD_PARTITION_FIRST_ID = 0x10000,
+	OSD_OBJECT_FIRST_ID = 0x10000,
+};
+
+/* (osd-r10 5.2.4)
+ * osd2r03: 5.2.3 Caching control bits
+ */
+enum osd_options_byte {
+	OSD_CDB_FUA = 0x08,	/* Force Unit Access */
+	OSD_CDB_DPO = 0x10,	/* Disable Page Out */
+};
+
+/*
+ * osd2r03: 5.2.5 Isolation.
+ * First 3 bits, V2-only.
+ * Also for attr 110h "default isolation method" at Root Information page
+ */
+enum osd_options_byte_isolation {
+	OSD_ISOLATION_DEFAULT = 0,
+	OSD_ISOLATION_NONE = 1,
+	OSD_ISOLATION_STRICT = 2,
+	OSD_ISOLATION_RANGE = 4,
+	OSD_ISOLATION_FUNCTIONAL = 5,
+	OSD_ISOLATION_VENDOR = 7,
+};
+
+/* (osd-r10: 6.7)
+ * osd2r03: 6.8 FLUSH, FLUSH COLLECTION, FLUSH OSD, FLUSH PARTITION
+ */
+enum osd_options_flush_scope_values {
+	OSD_CDB_FLUSH_ALL = 0,
+	OSD_CDB_FLUSH_ATTR_ONLY = 1,
+
+	OSD_CDB_FLUSH_ALL_RECURSIVE = 2,
+	/* V2-only */
+	OSD_CDB_FLUSH_ALL_RANGE = 2,
+};
+
+/* osd2r03: 5.2.10 Timestamps control */
+enum {
+	OSD_CDB_NORMAL_TIMESTAMPS = 0,
+	OSD_CDB_BYPASS_TIMESTAMPS = 0x7f,
+};
+
+/* (osd-r10: 5.2.2.1)
+ * osd2r03: 5.2.4.1 Get and set attributes CDB format selection
+ *	2 bits at second nibble of command_specific_options byte
+ */
+enum osd_attributes_mode {
+	/* V2-only */
+	OSD_CDB_SET_ONE_ATTR = 0x10,
+
+	OSD_CDB_GET_ATTR_PAGE_SET_ONE = 0x20,
+	OSD_CDB_GET_SET_ATTR_LISTS = 0x30,
+
+	OSD_CDB_GET_SET_ATTR_MASK = 0x30,
+};
+
+/* (osd-r10: 4.12.5)
+ * osd2r03: 4.14.5 Data-In and Data-Out buffer offsets
+ *	byte offset = mantissa * (2^(exponent+8))
+ *	struct {
+ *		unsigned mantissa: 28;
+ *		int exponent: 04;
+ *	}
+ */
+typedef __be32 __bitwise osd_cdb_offset;
+
+enum {
+	OSD_OFFSET_UNUSED = 0xFFFFFFFF,
+	OSD_OFFSET_MAX_BITS = 28,
+
+	OSDv1_OFFSET_MIN_SHIFT = 8,
+	OSD_OFFSET_MIN_SHIFT = 3,
+	OSD_OFFSET_MAX_SHIFT = 16,
+};
+
+/* Return the smallest allowed encoded offset that contains @offset.
+ *
+ * The actual encoded offset returned is @offset + *padding.
+ * (up to max_shift, non-inclusive)
+ */
+osd_cdb_offset __osd_encode_offset(u64 offset, unsigned *padding,
+	int min_shift, int max_shift);
+
+/* Minimum alignment is 256 bytes
+ * Note: Seems from std v1 that exponent can be from 0+8 to 0xE+8 (inclusive)
+ * which is 8 to 23 but IBM code restricts it to 16, so be it.
+ */
+static inline osd_cdb_offset osd_encode_offset_v1(u64 offset, unsigned *padding)
+{
+	return __osd_encode_offset(offset, padding,
+				OSDv1_OFFSET_MIN_SHIFT, OSD_OFFSET_MAX_SHIFT);
+}
+
+/* Minimum 8 bytes alignment
+ * Same as v1 but since exponent can be signed than a less than
+ * 256 alignment can be reached with small offsets (<2GB)
+ */
+static inline osd_cdb_offset osd_encode_offset_v2(u64 offset, unsigned *padding)
+{
+	return __osd_encode_offset(offset, padding,
+				   OSD_OFFSET_MIN_SHIFT, OSD_OFFSET_MAX_SHIFT);
+}
+
+/* osd2r03: 5.2.1 Overview */
+struct osd_cdb_head {
+	struct scsi_varlen_cdb_hdr varlen_cdb;
+/*10*/	u8		options;
+	u8		command_specific_options;
+	u8		timestamp_control;
+/*13*/	u8		reserved1[3];
+/*16*/	__be64		partition;
+/*24*/	__be64		object;
+/*32*/	union { /* V1 vs V2 alignment differences */
+		struct __osdv1_cdb_addr_len {
+/*32*/			__be32 		list_identifier;/* Rarely used */
+/*36*/			__be64		length;
+/*44*/			__be64		start_address;
+		} __packed v1;
+
+		struct __osdv2_cdb_addr_len {
+			/* called allocation_length in some commands */
+/*32*/			__be64	length;
+/*40*/			__be64	start_address;
+/*48*/			__be32 list_identifier;/* Rarely used */
+		} __packed v2;
+	};
+/*52*/	union { /* selected attributes mode Page/List/Single */
+		struct osd_attributes_page_mode {
+/*52*/			__be32		get_attr_page;
+/*56*/			__be32		get_attr_alloc_length;
+/*60*/			osd_cdb_offset	get_attr_offset;
+
+/*64*/			__be32		set_attr_page;
+/*68*/			__be32		set_attr_id;
+/*72*/			__be32		set_attr_length;
+/*76*/			osd_cdb_offset	set_attr_offset;
+/*80*/		} __packed attrs_page;
+
+		struct osd_attributes_list_mode {
+/*52*/			__be32		get_attr_desc_bytes;
+/*56*/			osd_cdb_offset	get_attr_desc_offset;
+
+/*60*/			__be32		get_attr_alloc_length;
+/*64*/			osd_cdb_offset	get_attr_offset;
+
+/*68*/			__be32		set_attr_bytes;
+/*72*/			osd_cdb_offset	set_attr_offset;
+			__be32 not_used;
+/*80*/		} __packed attrs_list;
+
+		/* osd2r03:5.2.4.2 Set one attribute value using CDB fields */
+		struct osd_attributes_cdb_mode {
+/*52*/			__be32		set_attr_page;
+/*56*/			__be32		set_attr_id;
+/*60*/			__be16		set_attr_len;
+/*62*/			u8		set_attr_val[18];
+/*80*/		} __packed attrs_cdb;
+/*52*/		u8 get_set_attributes_parameters[28];
+	};
+} __packed;
+/*80*/
+
+/*160 v1*/
+/*184 v2*/
+struct osd_security_parameters {
+/*160*/u8	integrity_check_value[OSD_CRYPTO_KEYID_SIZE];
+/*180*/u8	request_nonce[OSD_CRYPTO_NONCE_SIZE];
+/*192*/osd_cdb_offset	data_in_integrity_check_offset;
+/*196*/osd_cdb_offset	data_out_integrity_check_offset;
+} __packed;
+/*200 v1*/
+/*224 v2*/
+
+/* FIXME: osdv2_security_parameters */
+
+struct osdv1_cdb {
+	struct osd_cdb_head h;
+	u8 caps[OSDv1_CAP_LEN];
+	struct osd_security_parameters sec_params;
+} __packed;
+
+struct osdv2_cdb {
+	struct osd_cdb_head h;
+	u8 caps[OSD_CAP_LEN];
+	struct osd_security_parameters sec_params;
+	/* FIXME: osdv2_security_parameters */
+} __packed;
+
+struct osd_cdb {
+	union {
+		struct osdv1_cdb v1;
+		struct osdv2_cdb v2;
+		u8 buff[OSD_TOTAL_CDB_LEN];
+	};
+} __packed;
+
+static inline struct osd_cdb_head *osd_cdb_head(struct osd_cdb *ocdb)
+{
+	return (struct osd_cdb_head *)ocdb->buff;
+}
+
+/* define both version actions
+ * Ex name = FORMAT_OSD we have OSD_ACT_FORMAT_OSD && OSDv1_ACT_FORMAT_OSD
+ */
+#define OSD_ACT___(Name, Num) \
+	OSD_ACT_##Name = __constant_cpu_to_be16(0x8880 + Num), \
+	OSDv1_ACT_##Name = __constant_cpu_to_be16(0x8800 + Num),
+
+/* V2 only actions */
+#define OSD_ACT_V2(Name, Num) \
+	OSD_ACT_##Name = __constant_cpu_to_be16(0x8880 + Num),
+
+#define OSD_ACT_V1_V2(Name, Num1, Num2) \
+	OSD_ACT_##Name = __constant_cpu_to_be16(Num2), \
+	OSDv1_ACT_##Name = __constant_cpu_to_be16(Num1),
+
+enum osd_service_actions {
+	OSD_ACT_V2(OBJECT_STRUCTURE_CHECK,	0x00)
+	OSD_ACT___(FORMAT_OSD,			0x01)
+	OSD_ACT___(CREATE,			0x02)
+	OSD_ACT___(LIST,			0x03)
+	OSD_ACT_V2(PUNCH,			0x04)
+	OSD_ACT___(READ,			0x05)
+	OSD_ACT___(WRITE,			0x06)
+	OSD_ACT___(APPEND,			0x07)
+	OSD_ACT___(FLUSH,			0x08)
+	OSD_ACT_V2(CLEAR,			0x09)
+	OSD_ACT___(REMOVE,			0x0A)
+	OSD_ACT___(CREATE_PARTITION,		0x0B)
+	OSD_ACT___(REMOVE_PARTITION,		0x0C)
+	OSD_ACT___(GET_ATTRIBUTES,		0x0E)
+	OSD_ACT___(SET_ATTRIBUTES,		0x0F)
+	OSD_ACT___(CREATE_AND_WRITE,		0x12)
+	OSD_ACT___(CREATE_COLLECTION,		0x15)
+	OSD_ACT___(REMOVE_COLLECTION,		0x16)
+	OSD_ACT___(LIST_COLLECTION,		0x17)
+	OSD_ACT___(SET_KEY,			0x18)
+	OSD_ACT___(SET_MASTER_KEY,		0x19)
+	OSD_ACT___(FLUSH_COLLECTION,		0x1A)
+	OSD_ACT___(FLUSH_PARTITION,		0x1B)
+	OSD_ACT___(FLUSH_OSD,			0x1C)
+
+	OSD_ACT_V2(QUERY,			0x20)
+	OSD_ACT_V2(REMOVE_MEMBER_OBJECTS,	0x21)
+	OSD_ACT_V2(GET_MEMBER_ATTRIBUTES,	0x22)
+	OSD_ACT_V2(SET_MEMBER_ATTRIBUTES,	0x23)
+	OSD_ACT_V2(READ_MAP,			0x31)
+
+	OSD_ACT_V1_V2(PERFORM_SCSI_COMMAND,	0x8F7E, 0x8F7C)
+	OSD_ACT_V1_V2(SCSI_TASK_MANAGEMENT,	0x8F7F, 0x8F7D)
+	/* 0x8F80 to 0x8FFF are Vendor specific */
+};
+
+/* osd2r03: 7.1.3.2 List entry format for retrieving attributes */
+struct osd_attributes_list_attrid {
+	__be32 attr_page;
+	__be32 attr_id;
+} __packed;
+
+/*
+ * osd2r03: 7.1.3.3 List entry format for retrieved attributes and
+ *                  for setting attributes
+ * NOTE: v2 is 8-bytes aligned, v1 is not aligned.
+ */
+struct osd_attributes_list_element {
+	__be32 attr_page;
+	__be32 attr_id;
+	__be16 attr_bytes;
+	u8 attr_val[0];
+} __packed;
+
+enum {
+	OSDv1_ATTRIBUTES_ELEM_ALIGN = 1,
+	OSD_ATTRIBUTES_ELEM_ALIGN = 8,
+};
+
+enum {
+	OSD_ATTR_LIST_ALL_PAGES = 0xFFFFFFFF,
+	OSD_ATTR_LIST_ALL_IN_PAGE = 0xFFFFFFFF,
+};
+
+static inline unsigned osdv1_attr_list_elem_size(unsigned len)
+{
+	return ALIGN(len + sizeof(struct osd_attributes_list_element),
+		     OSDv1_ATTRIBUTES_ELEM_ALIGN);
+}
+
+static inline unsigned osdv2_attr_list_elem_size(unsigned len)
+{
+	return ALIGN(len + sizeof(struct osd_attributes_list_element),
+		     OSD_ATTRIBUTES_ELEM_ALIGN);
+}
+
+/*
+ * osd2r03: 7.1.3 OSD attributes lists (Table 184) — List type values
+ */
+enum osd_attr_list_types {
+	OSD_ATTR_LIST_GET = 0x1, 	/* descriptors only */
+	OSD_ATTR_LIST_SET_RETRIEVE = 0x9, /*descriptors/values variable-length*/
+	OSD_V2_ATTR_LIST_MULTIPLE = 0xE,  /* ver2, Multiple Objects lists*/
+	OSD_V1_ATTR_LIST_CREATE_MULTIPLE = 0xF,/*ver1, used by create_multple*/
+};
+
+/* osd2r03: 7.1.3.4 Multi-object retrieved attributes format */
+struct osd_attributes_list_multi_header {
+	__be64 object_id;
+	u8 object_type; /* object_type enum below */
+	u8 reserved[5];
+	__be16 list_bytes;
+	/* followed by struct osd_attributes_list_element's */
+};
+
+struct osdv1_attributes_list_header {
+	u8 type;	/* low 4-bit only */
+	u8 pad;
+	__be16 list_bytes; /* Initiator shall set to Zero. Only set by target */
+	/*
+	 * type=9 followed by struct osd_attributes_list_element's
+	 * type=E followed by struct osd_attributes_list_multi_header's
+	 */
+} __packed;
+
+static inline unsigned osdv1_list_size(struct osdv1_attributes_list_header *h)
+{
+	return be16_to_cpu(h->list_bytes);
+}
+
+struct osdv2_attributes_list_header {
+	u8 type;	/* lower 4-bits only */
+	u8 pad[3];
+/*4*/	__be32 list_bytes; /* Initiator shall set to zero. Only set by target */
+	/*
+	 * type=9 followed by struct osd_attributes_list_element's
+	 * type=E followed by struct osd_attributes_list_multi_header's
+	 */
+} __packed;
+
+static inline unsigned osdv2_list_size(struct osdv2_attributes_list_header *h)
+{
+	return be32_to_cpu(h->list_bytes);
+}
+
+/* (osd-r10 6.13)
+ * osd2r03: 6.15 LIST (Table 79) LIST command parameter data.
+ *	for root_lstchg below
+ */
+enum {
+	OSD_OBJ_ID_LIST_PAR = 0x1, /* V1-only. Not used in V2 */
+	OSD_OBJ_ID_LIST_LSTCHG = 0x2,
+};
+
+/*
+ * osd2r03: 6.15.2 LIST command parameter data
+ * (Also for LIST COLLECTION)
+ */
+struct osd_obj_id_list {
+	__be64 list_bytes; /* bytes in list excluding list_bytes (-8) */
+	__be64 continuation_id;
+	__be32 list_identifier;
+	u8 pad[3];
+	u8 root_lstchg;
+	__be64 object_ids[0];
+} __packed;
+
+static inline bool osd_is_obj_list_done(struct osd_obj_id_list *list,
+	bool *is_changed)
+{
+	*is_changed = (0 != (list->root_lstchg & OSD_OBJ_ID_LIST_LSTCHG));
+	return 0 != list->continuation_id;
+}
+
+/*
+ * osd2r03: 4.12.4.5 The ALLDATA security method
+ */
+struct osd_data_out_integrity_info {
+	__be64 data_bytes;
+	__be64 set_attributes_bytes;
+	__be64 get_attributes_bytes;
+	__be64 integrity_check_value;
+} __packed;
+
+struct osd_data_in_integrity_info {
+	__be64 data_bytes;
+	__be64 retrieved_attributes_bytes;
+	__be64 integrity_check_value;
+} __packed;
+
+struct osd_timestamp {
+	u8 time[6]; /* number of milliseconds since 1/1/1970 UT (big endian) */
+} __packed;
+/* FIXME: define helper functions to convert to/from osd time format */
+
+/*
+ * Capability & Security definitions
+ * osd2r03: 4.11.2.2 Capability format
+ * osd2r03: 5.2.8 Security parameters
+ */
+
+struct osd_key_identifier {
+	u8 id[7]; /* if you know why 7 please email bharrosh@panasas.com */
+} __packed;
+
+/* for osd_capability.format */
+enum {
+	OSD_SEC_CAP_FORMAT_NO_CAPS = 0,
+	OSD_SEC_CAP_FORMAT_VER1 = 1,
+	OSD_SEC_CAP_FORMAT_VER2 = 2,
+};
+
+/* security_method */
+enum {
+	OSD_SEC_NOSEC = 0,
+	OSD_SEC_CAPKEY = 1,
+	OSD_SEC_CMDRSP = 2,
+	OSD_SEC_ALLDATA = 3,
+};
+
+enum object_type {
+	OSD_SEC_OBJ_ROOT = 0x1,
+	OSD_SEC_OBJ_PARTITION = 0x2,
+	OSD_SEC_OBJ_COLLECTION = 0x40,
+	OSD_SEC_OBJ_USER = 0x80,
+};
+
+enum osd_capability_bit_masks {
+	OSD_SEC_CAP_APPEND	= BIT(0),
+	OSD_SEC_CAP_OBJ_MGMT	= BIT(1),
+	OSD_SEC_CAP_REMOVE	= BIT(2),
+	OSD_SEC_CAP_CREATE	= BIT(3),
+	OSD_SEC_CAP_SET_ATTR	= BIT(4),
+	OSD_SEC_CAP_GET_ATTR	= BIT(5),
+	OSD_SEC_CAP_WRITE	= BIT(6),
+	OSD_SEC_CAP_READ	= BIT(7),
+
+	OSD_SEC_CAP_NONE1	= BIT(8),
+	OSD_SEC_CAP_NONE2	= BIT(9),
+	OSD_SEC_CAP_NONE3	= BIT(10),
+	OSD_SEC_CAP_QUERY	= BIT(11), /*v2 only*/
+	OSD_SEC_CAP_M_OBJECT	= BIT(12), /*v2 only*/
+	OSD_SEC_CAP_POL_SEC	= BIT(13),
+	OSD_SEC_CAP_GLOBAL	= BIT(14),
+	OSD_SEC_CAP_DEV_MGMT	= BIT(15),
+};
+
+/* for object_descriptor_type (hi nibble used) */
+enum {
+	OSD_SEC_OBJ_DESC_NONE = 0,     /* Not allowed */
+	OSD_SEC_OBJ_DESC_OBJ = 1 << 4, /* v1: also collection */
+	OSD_SEC_OBJ_DESC_PAR = 2 << 4, /* also root */
+	OSD_SEC_OBJ_DESC_COL = 3 << 4, /* v2 only */
+};
+
+/* (osd-r10:4.9.2.2)
+ * osd2r03:4.11.2.2 Capability format
+ */
+struct osd_capability_head {
+	u8 format; /* low nibble */
+	u8 integrity_algorithm__key_version; /* MAKE_BYTE(integ_alg, key_ver) */
+	u8 security_method;
+	u8 reserved1;
+/*04*/	struct osd_timestamp expiration_time;
+/*10*/	u8 audit[20];
+/*30*/	u8 discriminator[12];
+/*42*/	struct osd_timestamp object_created_time;
+/*48*/	u8 object_type;
+/*49*/	u8 permissions_bit_mask[5];
+/*54*/	u8 reserved2;
+/*55*/	u8 object_descriptor_type; /* high nibble */
+} __packed;
+
+/*56 v1*/
+struct osdv1_cap_object_descriptor {
+	union {
+		struct {
+/*56*/			__be32 policy_access_tag;
+/*60*/			__be64 allowed_partition_id;
+/*68*/			__be64 allowed_object_id;
+/*76*/			__be32 reserved;
+		} __packed obj_desc;
+
+/*56*/		u8 object_descriptor[24];
+	};
+} __packed;
+/*80 v1*/
+
+/*56 v2*/
+struct osd_cap_object_descriptor {
+	union {
+		struct {
+/*56*/			__be32 allowed_attributes_access;
+/*60*/			__be32 policy_access_tag;
+/*64*/			__be16 boot_epoch;
+/*66*/			u8 reserved[6];
+/*72*/			__be64 allowed_partition_id;
+/*80*/			__be64 allowed_object_id;
+/*88*/			__be64 allowed_range_length;
+/*96*/			__be64 allowed_range_start;
+		} __packed obj_desc;
+
+/*56*/		u8 object_descriptor[48];
+	};
+} __packed;
+/*104 v2*/
+
+struct osdv1_capability {
+	struct osd_capability_head h;
+	struct osdv1_cap_object_descriptor od;
+} __packed;
+
+struct osd_capability {
+	struct osd_capability_head h;
+/* 	struct osd_cap_object_descriptor od;*/
+	struct osdv1_cap_object_descriptor od; /* FIXME: Pete rev-001 sup */
+} __packed;
+
+/**
+ * osd_sec_set_caps - set cap-bits into the capabilities header
+ *
+ * @cap:	The osd_capability_head to set cap bits to.
+ * @bit_mask: 	Use an ORed list of enum osd_capability_bit_masks values
+ *
+ * permissions_bit_mask is unaligned use below to set into caps
+ * in a version independent way
+ */
+static inline void osd_sec_set_caps(struct osd_capability_head *cap,
+	u16 bit_mask)
+{
+	/*
+	 *Note: The bits above are defined LE order this is because this way
+	 *      they can grow in the future to more then 16, and still retain
+	 *      there constant values.
+	 */
+	put_unaligned_le16(bit_mask, &cap->permissions_bit_mask);
+}
+
+#endif /* ndef __OSD_PROTOCOL_H__ */
diff --git a/include/scsi/osd_sec.h b/include/scsi/osd_sec.h
new file mode 100644
index 00000000000..4c09fee8ae1
--- /dev/null
+++ b/include/scsi/osd_sec.h
@@ -0,0 +1,45 @@
+/*
+ * osd_sec.h - OSD security manager API
+ *
+ * Copyright (C) 2008 Panasas Inc.  All rights reserved.
+ *
+ * Authors:
+ *   Boaz Harrosh <bharrosh@panasas.com>
+ *   Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ */
+#ifndef __OSD_SEC_H__
+#define __OSD_SEC_H__
+
+#include "osd_protocol.h"
+#include "osd_types.h"
+
+/*
+ * Contains types and constants of osd capabilities and security
+ * encoding/decoding.
+ * API is trying to keep security abstract so initiator of an object
+ * based pNFS client knows as little as possible about security and
+ * capabilities. It is the Server's osd-initiator place to know more.
+ * Also can be used by osd-target.
+ */
+void osd_sec_encode_caps(void *caps, ...);/* NI */
+void osd_sec_init_nosec_doall_caps(void *caps,
+	const struct osd_obj_id *obj, bool is_collection, const bool is_v1);
+
+bool osd_is_sec_alldata(struct osd_security_parameters *sec_params);
+
+/* Conditionally sign the CDB according to security setting in ocdb
+ * with cap_key */
+void osd_sec_sign_cdb(struct osd_cdb *ocdb, const u8 *cap_key);
+
+/* Unconditionally sign the BIO data with cap_key.
+ * Check for osd_is_sec_alldata() was done prior to calling this. */
+void osd_sec_sign_data(void *data_integ, struct bio *bio, const u8 *cap_key);
+
+/* Version independent copy of caps into the cdb */
+void osd_set_caps(struct osd_cdb *cdb, const void *caps);
+
+#endif /* ndef __OSD_SEC_H__ */
diff --git a/include/scsi/osd_sense.h b/include/scsi/osd_sense.h
new file mode 100644
index 00000000000..ff9b33c773c
--- /dev/null
+++ b/include/scsi/osd_sense.h
@@ -0,0 +1,260 @@
+/*
+ * osd_sense.h - OSD Related sense handling definitions.
+ *
+ * Copyright (C) 2008 Panasas Inc.  All rights reserved.
+ *
+ * Authors:
+ *   Boaz Harrosh <bharrosh@panasas.com>
+ *   Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ * This file contains types and constants that are defined by the protocol
+ * Note: All names and symbols are taken from the OSD standard's text.
+ */
+#ifndef __OSD_SENSE_H__
+#define __OSD_SENSE_H__
+
+#include <scsi/osd_protocol.h>
+
+/* SPC3r23 4.5.6 Sense key and sense code definitions table 27 */
+enum scsi_sense_keys {
+	scsi_sk_no_sense        = 0x0,
+	scsi_sk_recovered_error = 0x1,
+	scsi_sk_not_ready       = 0x2,
+	scsi_sk_medium_error    = 0x3,
+	scsi_sk_hardware_error  = 0x4,
+	scsi_sk_illegal_request = 0x5,
+	scsi_sk_unit_attention  = 0x6,
+	scsi_sk_data_protect    = 0x7,
+	scsi_sk_blank_check     = 0x8,
+	scsi_sk_vendor_specific = 0x9,
+	scsi_sk_copy_aborted    = 0xa,
+	scsi_sk_aborted_command = 0xb,
+	scsi_sk_volume_overflow = 0xd,
+	scsi_sk_miscompare      = 0xe,
+	scsi_sk_reserved        = 0xf,
+};
+
+/* SPC3r23 4.5.6 Sense key and sense code definitions table 28 */
+/* Note: only those which can be returned by an OSD target. Most of
+ *       these errors are taken care of by the generic scsi layer.
+ */
+enum osd_additional_sense_codes {
+	scsi_no_additional_sense_information			= 0x0000,
+	scsi_operation_in_progress				= 0x0016,
+	scsi_cleaning_requested					= 0x0017,
+	scsi_lunr_cause_not_reportable				= 0x0400,
+	scsi_logical_unit_is_in_process_of_becoming_ready	= 0x0401,
+	scsi_lunr_initializing_command_required			= 0x0402,
+	scsi_lunr_manual_intervention_required			= 0x0403,
+	scsi_lunr_operation_in_progress				= 0x0407,
+	scsi_lunr_selftest_in_progress				= 0x0409,
+	scsi_luna_asymmetric_access_state_transition		= 0x040a,
+	scsi_luna_target_port_in_standby_state			= 0x040b,
+	scsi_luna_target_port_in_unavailable_state		= 0x040c,
+	scsi_lunr_notify_enable_spinup_required			= 0x0411,
+	scsi_logical_unit_does_not_respond_to_selection		= 0x0500,
+	scsi_logical_unit_communication_failure			= 0x0800,
+	scsi_logical_unit_communication_timeout			= 0x0801,
+	scsi_logical_unit_communication_parity_error		= 0x0802,
+	scsi_error_log_overflow					= 0x0a00,
+	scsi_warning						= 0x0b00,
+	scsi_warning_specified_temperature_exceeded		= 0x0b01,
+	scsi_warning_enclosure_degraded				= 0x0b02,
+	scsi_write_error_unexpected_unsolicited_data		= 0x0c0c,
+	scsi_write_error_not_enough_unsolicited_data		= 0x0c0d,
+	scsi_invalid_information_unit				= 0x0e00,
+	scsi_invalid_field_in_command_information_unit		= 0x0e03,
+	scsi_read_error_failed_retransmission_request		= 0x1113,
+	scsi_parameter_list_length_error			= 0x1a00,
+	scsi_invalid_command_operation_code			= 0x2000,
+	scsi_invalid_field_in_cdb				= 0x2400,
+	osd_security_audit_value_frozen				= 0x2404,
+	osd_security_working_key_frozen				= 0x2405,
+	osd_nonce_not_unique					= 0x2406,
+	osd_nonce_timestamp_out_of_range			= 0x2407,
+	scsi_logical_unit_not_supported				= 0x2500,
+	scsi_invalid_field_in_parameter_list			= 0x2600,
+	scsi_parameter_not_supported				= 0x2601,
+	scsi_parameter_value_invalid				= 0x2602,
+	scsi_invalid_release_of_persistent_reservation		= 0x2604,
+	osd_invalid_dataout_buffer_integrity_check_value	= 0x260f,
+	scsi_not_ready_to_ready_change_medium_may_have_changed	= 0x2800,
+	scsi_power_on_reset_or_bus_device_reset_occurred	= 0x2900,
+	scsi_power_on_occurred					= 0x2901,
+	scsi_scsi_bus_reset_occurred				= 0x2902,
+	scsi_bus_device_reset_function_occurred			= 0x2903,
+	scsi_device_internal_reset				= 0x2904,
+	scsi_transceiver_mode_changed_to_single_ended		= 0x2905,
+	scsi_transceiver_mode_changed_to_lvd			= 0x2906,
+	scsi_i_t_nexus_loss_occurred				= 0x2907,
+	scsi_parameters_changed					= 0x2a00,
+	scsi_mode_parameters_changed				= 0x2a01,
+	scsi_asymmetric_access_state_changed			= 0x2a06,
+	scsi_priority_changed					= 0x2a08,
+	scsi_command_sequence_error				= 0x2c00,
+	scsi_previous_busy_status				= 0x2c07,
+	scsi_previous_task_set_full_status			= 0x2c08,
+	scsi_previous_reservation_conflict_status		= 0x2c09,
+	osd_partition_or_collection_contains_user_objects	= 0x2c0a,
+	scsi_commands_cleared_by_another_initiator		= 0x2f00,
+	scsi_cleaning_failure					= 0x3007,
+	scsi_enclosure_failure					= 0x3400,
+	scsi_enclosure_services_failure				= 0x3500,
+	scsi_unsupported_enclosure_function			= 0x3501,
+	scsi_enclosure_services_unavailable			= 0x3502,
+	scsi_enclosure_services_transfer_failure		= 0x3503,
+	scsi_enclosure_services_transfer_refused		= 0x3504,
+	scsi_enclosure_services_checksum_error			= 0x3505,
+	scsi_rounded_parameter					= 0x3700,
+	osd_read_past_end_of_user_object			= 0x3b17,
+	scsi_logical_unit_has_not_self_configured_yet		= 0x3e00,
+	scsi_logical_unit_failure				= 0x3e01,
+	scsi_timeout_on_logical_unit				= 0x3e02,
+	scsi_logical_unit_failed_selftest			= 0x3e03,
+	scsi_logical_unit_unable_to_update_selftest_log		= 0x3e04,
+	scsi_target_operating_conditions_have_changed		= 0x3f00,
+	scsi_microcode_has_been_changed				= 0x3f01,
+	scsi_inquiry_data_has_changed				= 0x3f03,
+	scsi_echo_buffer_overwritten				= 0x3f0f,
+	scsi_diagnostic_failure_on_component_nn_first		= 0x4080,
+	scsi_diagnostic_failure_on_component_nn_last		= 0x40ff,
+	scsi_message_error					= 0x4300,
+	scsi_internal_target_failure				= 0x4400,
+	scsi_select_or_reselect_failure				= 0x4500,
+	scsi_scsi_parity_error					= 0x4700,
+	scsi_data_phase_crc_error_detected			= 0x4701,
+	scsi_scsi_parity_error_detected_during_st_data_phase	= 0x4702,
+	scsi_asynchronous_information_protection_error_detected	= 0x4704,
+	scsi_protocol_service_crc_error				= 0x4705,
+	scsi_phy_test_function_in_progress			= 0x4706,
+	scsi_invalid_message_error				= 0x4900,
+	scsi_command_phase_error				= 0x4a00,
+	scsi_data_phase_error					= 0x4b00,
+	scsi_logical_unit_failed_self_configuration		= 0x4c00,
+	scsi_overlapped_commands_attempted			= 0x4e00,
+	osd_quota_error						= 0x5507,
+	scsi_failure_prediction_threshold_exceeded		= 0x5d00,
+	scsi_failure_prediction_threshold_exceeded_false	= 0x5dff,
+	scsi_voltage_fault					= 0x6500,
+};
+
+enum scsi_descriptor_types {
+	scsi_sense_information			= 0x0,
+	scsi_sense_command_specific_information	= 0x1,
+	scsi_sense_key_specific			= 0x2,
+	scsi_sense_field_replaceable_unit	= 0x3,
+	scsi_sense_stream_commands		= 0x4,
+	scsi_sense_block_commands		= 0x5,
+	osd_sense_object_identification		= 0x6,
+	osd_sense_response_integrity_check	= 0x7,
+	osd_sense_attribute_identification	= 0x8,
+	scsi_sense_ata_return			= 0x9,
+
+	scsi_sense_Reserved_first		= 0x0A,
+	scsi_sense_Reserved_last		= 0x7F,
+	scsi_sense_Vendor_specific_first	= 0x80,
+	scsi_sense_Vendor_specific_last		= 0xFF,
+};
+
+struct scsi_sense_descriptor { /* for picking into desc type */
+	u8	descriptor_type; /* one of enum scsi_descriptor_types */
+	u8	additional_length; /* n - 1 */
+	u8	data[];
+} __packed;
+
+/* OSD deploys only scsi descriptor_based sense buffers */
+struct scsi_sense_descriptor_based {
+/*0*/	u8 	response_code; /* 0x72 or 0x73 */
+/*1*/	u8 	sense_key; /* one of enum scsi_sense_keys (4 lower bits) */
+/*2*/	__be16	additional_sense_code; /* enum osd_additional_sense_codes */
+/*4*/	u8	Reserved[3];
+/*7*/	u8	additional_sense_length; /* n - 7 */
+/*8*/	struct	scsi_sense_descriptor ssd[0]; /* variable length, 1 or more */
+} __packed;
+
+/* some descriptors deployed by OSD */
+
+/* SPC3r23 4.5.2.3 Command-specific information sense data descriptor */
+/* Note: this is the same for descriptor_type=00 but with type=00 the
+ *        Reserved[0] == 0x80 (ie. bit-7 set)
+ */
+struct scsi_sense_command_specific_data_descriptor {
+/*0*/	u8	descriptor_type; /* (00h/01h) */
+/*1*/	u8	additional_length; /* (0Ah) */
+/*2*/	u8	Reserved[2];
+/*4*/	__be64  information;
+} __packed;
+/*12*/
+
+struct scsi_sense_key_specific_data_descriptor {
+/*0*/	u8	descriptor_type; /* (02h) */
+/*1*/	u8	additional_length; /* (06h) */
+/*2*/	u8	Reserved[2];
+/* SKSV, C/D, Reserved (2), BPV, BIT POINTER (3) */
+/*4*/	u8	sksv_cd_bpv_bp;
+/*5*/	__be16	value; /* field-pointer/progress-value/retry-count/... */
+/*7*/	u8	Reserved2;
+} __packed;
+/*8*/
+
+/* 4.16.2.1 OSD error identification sense data descriptor - table 52 */
+/* Note: these bits are defined LE order for easy definition, this way the BIT()
+ * number is the same as in the documentation. Below members at
+ * osd_sense_identification_data_descriptor are therefore defined __le32.
+ */
+enum osd_command_functions_bits {
+	OSD_CFB_COMMAND		 = BIT(4),
+	OSD_CFB_CMD_CAP_VERIFIED = BIT(5),
+	OSD_CFB_VALIDATION	 = BIT(7),
+	OSD_CFB_IMP_ST_ATT	 = BIT(12),
+	OSD_CFB_SET_ATT		 = BIT(20),
+	OSD_CFB_SA_CAP_VERIFIED	 = BIT(21),
+	OSD_CFB_GET_ATT		 = BIT(28),
+	OSD_CFB_GA_CAP_VERIFIED	 = BIT(29),
+};
+
+struct osd_sense_identification_data_descriptor {
+/*0*/	u8	descriptor_type; /* (06h) */
+/*1*/	u8	additional_length; /* (1Eh) */
+/*2*/	u8	Reserved[6];
+/*8*/	__le32	not_initiated_functions; /*osd_command_functions_bits*/
+/*12*/	__le32	completed_functions; /*osd_command_functions_bits*/
+/*16*/ 	__be64	partition_id;
+/*24*/	__be64	object_id;
+} __packed;
+/*32*/
+
+struct osd_sense_response_integrity_check_descriptor {
+/*0*/	u8	descriptor_type; /* (07h) */
+/*1*/	u8	additional_length; /* (20h) */
+/*2*/	u8	integrity_check_value[32]; /*FIXME: OSDv2_CRYPTO_KEYID_SIZE*/
+} __packed;
+/*34*/
+
+struct osd_sense_attributes_data_descriptor {
+/*0*/	u8	descriptor_type; /* (08h) */
+/*1*/	u8	additional_length; /* (n-2) */
+/*2*/	u8	Reserved[6];
+	struct osd_sense_attr {
+/*8*/		__be32	attr_page;
+/*12*/		__be32	attr_id;
+/*16*/	} sense_attrs[0]; /* 1 or more */
+} __packed;
+/*variable*/
+
+/* Dig into scsi_sk_illegal_request/scsi_invalid_field_in_cdb errors */
+
+/*FIXME: Support also field in CAPS*/
+#define OSD_CDB_OFFSET(F) offsetof(struct osd_cdb_head, F)
+
+enum osdv2_cdb_field_offset {
+	OSDv1_CFO_STARTING_BYTE	= OSD_CDB_OFFSET(v1.start_address),
+	OSD_CFO_STARTING_BYTE	= OSD_CDB_OFFSET(v2.start_address),
+	OSD_CFO_PARTITION_ID	= OSD_CDB_OFFSET(partition),
+	OSD_CFO_OBJECT_ID	= OSD_CDB_OFFSET(object),
+};
+
+#endif /* ndef __OSD_SENSE_H__ */
diff --git a/include/scsi/osd_types.h b/include/scsi/osd_types.h
new file mode 100644
index 00000000000..3f5e88cc75c
--- /dev/null
+++ b/include/scsi/osd_types.h
@@ -0,0 +1,40 @@
+/*
+ * osd_types.h - Types and constants which are not part of the protocol.
+ *
+ * Copyright (C) 2008 Panasas Inc.  All rights reserved.
+ *
+ * Authors:
+ *   Boaz Harrosh <bharrosh@panasas.com>
+ *   Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ * Contains types and constants that are implementation specific and are
+ * used by more than one part of the osd library.
+ *     (Eg initiator/target/security_manager/...)
+ */
+#ifndef __OSD_TYPES_H__
+#define __OSD_TYPES_H__
+
+struct osd_systemid {
+	u8 data[OSD_SYSTEMID_LEN];
+};
+
+typedef u64 __bitwise osd_id;
+
+struct osd_obj_id {
+	osd_id partition;
+	osd_id id;
+};
+
+static const struct __weak osd_obj_id osd_root_object = {0, 0};
+
+struct osd_attr {
+	u32 attr_page;
+	u32 attr_id;
+	u16 len;		/* byte count of operand */
+	void *val_ptr;		/* in network order */
+};
+
+#endif /* ndef __OSD_TYPES_H__ */
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index a109165714d..084478e14d2 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -9,7 +9,8 @@
 #define _SCSI_SCSI_H
 
 #include <linux/types.h>
-#include <scsi/scsi_cmnd.h>
+
+struct scsi_cmnd;
 
 /*
  * The maximum number of SG segments that we will put inside a
@@ -263,6 +264,7 @@ static inline int scsi_status_is_good(int status)
 #define TYPE_RAID           0x0c
 #define TYPE_ENCLOSURE      0x0d    /* Enclosure Services Device */
 #define TYPE_RBC	    0x0e
+#define TYPE_OSD            0x11
 #define TYPE_NO_LUN         0x7f
 
 /* SCSI protocols; these are taken from SPC-3 section 7.5 */
@@ -402,16 +404,6 @@ static inline int scsi_is_wlun(unsigned int lun)
 #define DRIVER_HARD         0x07
 #define DRIVER_SENSE	    0x08
 
-#define SUGGEST_RETRY       0x10
-#define SUGGEST_ABORT       0x20
-#define SUGGEST_REMAP       0x30
-#define SUGGEST_DIE         0x40
-#define SUGGEST_SENSE       0x80
-#define SUGGEST_IS_OK       0xff
-
-#define DRIVER_MASK         0x0f
-#define SUGGEST_MASK        0xf0
-
 /*
  * Internal return values.
  */
@@ -447,23 +439,6 @@ static inline int scsi_is_wlun(unsigned int lun)
 #define msg_byte(result)    (((result) >> 8) & 0xff)
 #define host_byte(result)   (((result) >> 16) & 0xff)
 #define driver_byte(result) (((result) >> 24) & 0xff)
-#define suggestion(result)  (driver_byte(result) & SUGGEST_MASK)
-
-static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
-{
-	cmd->result |= status << 8;
-}
-
-static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
-{
-	cmd->result |= status << 16;
-}
-
-static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
-{
-	cmd->result |= status << 24;
-}
-
 
 #define sense_class(sense)  (((sense) >> 4) & 0x7)
 #define sense_error(sense)  ((sense) & 0xf)
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 855bf95963e..43b50d36925 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -291,4 +291,19 @@ static inline struct scsi_data_buffer *scsi_prot(struct scsi_cmnd *cmd)
 #define scsi_for_each_prot_sg(cmd, sg, nseg, __i)		\
 	for_each_sg(scsi_prot_sglist(cmd), sg, nseg, __i)
 
+static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
+{
+	cmd->result |= status << 8;
+}
+
+static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
+{
+	cmd->result |= status << 16;
+}
+
+static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
+{
+	cmd->result |= status << 24;
+}
+
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 01a4c58f8ba..3f566af3f10 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -340,6 +340,7 @@ extern int scsi_mode_select(struct scsi_device *sdev, int pf, int sp,
 			    struct scsi_sense_hdr *);
 extern int scsi_test_unit_ready(struct scsi_device *sdev, int timeout,
 				int retries, struct scsi_sense_hdr *sshdr);
+extern unsigned char *scsi_get_vpd_page(struct scsi_device *, u8 page);
 extern int scsi_device_set_state(struct scsi_device *sdev,
 				 enum scsi_device_state state);
 extern struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type,
@@ -370,12 +371,6 @@ extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
 			    int data_direction, void *buffer, unsigned bufflen,
 			    struct scsi_sense_hdr *, int timeout, int retries,
 			    int *resid);
-extern int scsi_execute_async(struct scsi_device *sdev,
-			      const unsigned char *cmd, int cmd_len, int data_direction,
-			      void *buffer, unsigned bufflen, int use_sg,
-			      int timeout, int retries, void *privdata,
-			      void (*done)(void *, char *, int, int),
-			      gfp_t gfp);
 
 static inline int __must_check scsi_device_reprobe(struct scsi_device *sdev)
 {
@@ -400,7 +395,8 @@ static inline unsigned int sdev_id(struct scsi_device *sdev)
  */
 static inline int scsi_device_online(struct scsi_device *sdev)
 {
-	return sdev->sdev_state != SDEV_OFFLINE;
+	return (sdev->sdev_state != SDEV_OFFLINE &&
+		sdev->sdev_state != SDEV_DEL);
 }
 static inline int scsi_device_blocked(struct scsi_device *sdev)
 {
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index b50aabe2861..457588e1119 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -88,7 +88,7 @@ struct iscsi_transport {
 	uint64_t host_param_mask;
 	struct iscsi_cls_session *(*create_session) (struct iscsi_endpoint *ep,
 					uint16_t cmds_max, uint16_t qdepth,
-					uint32_t sn, uint32_t *hn);
+					uint32_t sn);
 	void (*destroy_session) (struct iscsi_cls_session *session);
 	struct iscsi_cls_conn *(*create_conn) (struct iscsi_cls_session *sess,
 				uint32_t cid);
@@ -206,8 +206,6 @@ struct iscsi_cls_session {
 struct iscsi_cls_host {
 	atomic_t nr_scans;
 	struct mutex mutex;
-	struct workqueue_struct *scan_workq;
-	char scan_workq_name[20];
 };
 
 extern void iscsi_host_for_each_session(struct Scsi_Host *shost,