Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This series consists of the usual driver updates (qla2xxx, pm8001,
  libsas, smartpqi, scsi_debug, lpfc, iscsi, mpi3mr) plus minor updates
  and bug fixes.

  The high blast radius core update is the removal of write same, which
  affects block and several non-SCSI devices. The other big change,
  which is more local, is the removal of the SCSI pointer"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (281 commits)
  scsi: scsi_ioctl: Drop needless assignment in sg_io()
  scsi: bsg: Drop needless assignment in scsi_bsg_sg_io_fn()
  scsi: lpfc: Copyright updates for 14.2.0.0 patches
  scsi: lpfc: Update lpfc version to 14.2.0.0
  scsi: lpfc: SLI path split: Refactor BSG paths
  scsi: lpfc: SLI path split: Refactor Abort paths
  scsi: lpfc: SLI path split: Refactor SCSI paths
  scsi: lpfc: SLI path split: Refactor CT paths
  scsi: lpfc: SLI path split: Refactor misc ELS paths
  scsi: lpfc: SLI path split: Refactor VMID paths
  scsi: lpfc: SLI path split: Refactor FDISC paths
  scsi: lpfc: SLI path split: Refactor LS_RJT paths
  scsi: lpfc: SLI path split: Refactor LS_ACC paths
  scsi: lpfc: SLI path split: Refactor the RSCN/SCR/RDF/EDC/FARPR paths
  scsi: lpfc: SLI path split: Refactor PLOGI/PRLI/ADISC/LOGO paths
  scsi: lpfc: SLI path split: Refactor base ELS paths and the FLOGI path
  scsi: lpfc: SLI path split: Introduce lpfc_prep_wqe
  scsi: lpfc: SLI path split: Refactor fast and slow paths to native SLI4
  scsi: lpfc: SLI path split: Refactor lpfc_iocbq
  scsi: lpfc: Use kcalloc()
  ...

13 files changed, 121 insertions, 80 deletions

diff --git a/include/scsi/fc/fc_ms.h b/include/scsi/fc/fc_ms.h
index 00191695233a..56a5d2b5a624 100644
--- a/include/scsi/fc/fc_ms.h
+++ b/include/scsi/fc/fc_ms.h
@@ -158,7 +158,7 @@ struct fc_fdmi_port_name {
 struct fc_fdmi_attr_entry {
 	__be16		type;
 	__be16		len;
-	__u8		value[1];
+	__u8		value[];
 } __attribute__((__packed__));
 
 /*
@@ -166,7 +166,7 @@ struct fc_fdmi_attr_entry {
  */
 struct fs_fdmi_attrs {
 	__be32				numattrs;
-	struct fc_fdmi_attr_entry	attr[1];
+	struct fc_fdmi_attr_entry	attr[];
 } __attribute__((__packed__));
 
 /*
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index eeb8d689ff6b..6e29e1719db1 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -352,6 +352,15 @@ struct fc_fcp_pkt {
 } ____cacheline_aligned_in_smp;
 
 /*
+ * @fsp should be tested and set under the scsi_pkt_queue lock
+ */
+struct libfc_cmd_priv {
+	struct fc_fcp_pkt *fsp;
+	u32 resid_len;
+	u8 status;
+};
+
+/*
  * Structure and function definitions for managing Fibre Channel Exchanges
  * and Sequences
  *
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 4ee233e5a6ff..e76c94697c1b 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -19,6 +19,7 @@
 #include <linux/refcount.h>
 #include <scsi/iscsi_proto.h>
 #include <scsi/iscsi_if.h>
+#include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_transport_iscsi.h>
 
 struct scsi_transport_template;
@@ -152,6 +153,17 @@ static inline bool iscsi_task_is_completed(struct iscsi_task *task)
 	       task->state == ISCSI_TASK_ABRT_SESS_RECOV;
 }
 
+/* Private data associated with struct scsi_cmnd. */
+struct iscsi_cmd {
+	struct iscsi_task	*task;
+	int			age;
+};
+
+static inline struct iscsi_cmd *iscsi_cmd(struct scsi_cmnd *cmd)
+{
+	return scsi_cmd_priv(cmd);
+}
+
 /* Connection's states */
 enum {
 	ISCSI_CONN_INITIAL_STAGE,
@@ -371,7 +383,6 @@ struct iscsi_host {
 	int			state;
 
 	struct workqueue_struct	*workq;
-	char			workq_name[20];
 };
 
 /*
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 698f2032807b..ff04eb6d250b 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -492,7 +492,6 @@ enum exec_status {
 	SAS_INTERRUPTED,
 	SAS_QUEUE_FULL,
 	SAS_DEVICE_UNKNOWN,
-	SAS_SG_ERR,
 	SAS_OPEN_REJECT,
 	SAS_OPEN_TO,
 	SAS_PROTO_RESPONSE,
@@ -553,6 +552,21 @@ struct sas_ata_task {
 	u8     stp_affil_pol:1;
 
 	u8     device_control_reg_update:1;
+
+	bool   force_phy;
+	int    force_phy_id;
+};
+
+/* LLDDs rely on these values */
+enum sas_internal_abort {
+	SAS_INTERNAL_ABORT_SINGLE	= 0,
+	SAS_INTERNAL_ABORT_DEV		= 1,
+};
+
+struct sas_internal_abort_task {
+	enum sas_internal_abort type;
+	unsigned int qid;
+	u16 tag;
 };
 
 struct sas_smp_task {
@@ -577,6 +591,11 @@ struct sas_ssp_task {
 	struct scsi_cmnd *cmd;
 };
 
+struct sas_tmf_task {
+	u8 tmf;
+	u16 tag_of_task_to_be_managed;
+};
+
 struct sas_task {
 	struct domain_device *dev;
 
@@ -589,6 +608,7 @@ struct sas_task {
 		struct sas_ata_task ata_task;
 		struct sas_smp_task smp_task;
 		struct sas_ssp_task ssp_task;
+		struct sas_internal_abort_task abort_task;
 	};
 
 	struct scatterlist *scatter;
@@ -602,6 +622,7 @@ struct sas_task {
 	void   *lldd_task;	  /* for use by LLDDs */
 	void   *uldd_task;
 	struct sas_task_slow *slow_task;
+	struct sas_tmf_task *tmf;
 };
 
 struct sas_task_slow {
@@ -617,12 +638,16 @@ struct sas_task_slow {
 #define SAS_TASK_STATE_DONE         2
 #define SAS_TASK_STATE_ABORTED      4
 #define SAS_TASK_NEED_DEV_RESET     8
-#define SAS_TASK_AT_INITIATOR       16
 
 extern struct sas_task *sas_alloc_task(gfp_t flags);
 extern struct sas_task *sas_alloc_slow_task(gfp_t flags);
 extern void sas_free_task(struct sas_task *task);
 
+static inline bool sas_is_internal_abort(struct sas_task *task)
+{
+	return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT;
+}
+
 struct sas_domain_function_template {
 	/* The class calls these to notify the LLDD of an event. */
 	void (*lldd_port_formed)(struct asd_sas_phy *);
@@ -637,7 +662,6 @@ struct sas_domain_function_template {
 	/* Task Management Functions. Must be called from process context. */
 	int (*lldd_abort_task)(struct sas_task *);
 	int (*lldd_abort_task_set)(struct domain_device *, u8 *lun);
-	int (*lldd_clear_aca)(struct domain_device *, u8 *lun);
 	int (*lldd_clear_task_set)(struct domain_device *, u8 *lun);
 	int (*lldd_I_T_nexus_reset)(struct domain_device *);
 	int (*lldd_ata_check_ready)(struct domain_device *);
@@ -645,6 +669,11 @@ struct sas_domain_function_template {
 	int (*lldd_lu_reset)(struct domain_device *, u8 *lun);
 	int (*lldd_query_task)(struct sas_task *);
 
+	/* Special TMF callbacks */
+	void (*lldd_tmf_exec_complete)(struct domain_device *dev);
+	void (*lldd_tmf_aborted)(struct sas_task *task);
+	bool (*lldd_abort_timeout)(struct sas_task *task, void *data);
+
 	/* Port and Adapter management */
 	int (*lldd_clear_nexus_port)(struct asd_sas_port *);
 	int (*lldd_clear_nexus_ha)(struct sas_ha_struct *);
@@ -673,6 +702,11 @@ extern int sas_slave_configure(struct scsi_device *);
 extern int sas_change_queue_depth(struct scsi_device *, int new_depth);
 extern int sas_bios_param(struct scsi_device *, struct block_device *,
 			  sector_t capacity, int *hsc);
+int sas_execute_internal_abort_single(struct domain_device *device,
+				      u16 tag, unsigned int qid,
+				      void *data);
+int sas_execute_internal_abort_dev(struct domain_device *device,
+				   unsigned int qid, void *data);
 extern struct scsi_transport_template *
 sas_domain_attach_transport(struct sas_domain_function_template *);
 extern struct device_attribute dev_attr_phy_event_threshold;
@@ -685,7 +719,7 @@ int  sas_ex_revalidate_domain(struct domain_device *);
 
 void sas_unregister_domain_devices(struct asd_sas_port *port, int gone);
 void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *);
-int  sas_discover_event(struct asd_sas_port *, enum discover_event ev);
+void sas_discover_event(struct asd_sas_port *, enum discover_event ev);
 
 int  sas_discover_sata(struct domain_device *);
 int  sas_discover_end_dev(struct domain_device *);
@@ -711,9 +745,15 @@ struct sas_phy *sas_get_local_phy(struct domain_device *dev);
 
 int sas_request_addr(struct Scsi_Host *shost, u8 *addr);
 
-int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event,
-			  gfp_t gfp_flags);
-int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event,
-			 gfp_t gfp_flags);
+int sas_abort_task_set(struct domain_device *dev, u8 *lun);
+int sas_clear_task_set(struct domain_device *dev, u8 *lun);
+int sas_lu_reset(struct domain_device *dev, u8 *lun);
+int sas_query_task(struct sas_task *task, u16 tag);
+int sas_abort_task(struct sas_task *task, u16 tag);
+
+void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event,
+			   gfp_t gfp_flags);
+void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event,
+			   gfp_t gfp_flags);
 
 #endif /* _SASLIB_H_ */
diff --git a/include/scsi/sas.h b/include/scsi/sas.h
index 64154c1fed02..acfc69fd72d0 100644
--- a/include/scsi/sas.h
+++ b/include/scsi/sas.h
@@ -95,6 +95,8 @@ enum sas_protocol {
 	SAS_PROTOCOL_SSP		= 0x08,
 	SAS_PROTOCOL_ALL		= 0x0E,
 	SAS_PROTOCOL_STP_ALL		= SAS_PROTOCOL_STP|SAS_PROTOCOL_SATA,
+	/* these are internal to libsas */
+	SAS_PROTOCOL_INTERNAL_ABORT	= 0x10,
 };
 
 /* From the spec; local phys only */
@@ -191,6 +193,13 @@ enum sas_gpio_reg_type {
 	SAS_GPIO_REG_TX_GP = 4,
 };
 
+/* Response frame DATAPRES field */
+enum {
+	SAS_DATAPRES_NO_DATA		= 0,
+	SAS_DATAPRES_RESPONSE_DATA	= 1,
+	SAS_DATAPRES_SENSE_DATA		= 2,
+};
+
 struct  dev_to_host_fis {
 	u8     fis_type;	  /* 0x34 */
 	u8     flags;
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index 416c9c47d0e7..d47dea70855d 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -25,14 +25,15 @@ int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
 int sas_ata_init(struct domain_device *dev);
 void sas_ata_task_abort(struct sas_task *task);
 void sas_ata_strategy_handler(struct Scsi_Host *shost);
-void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
-		struct list_head *done_q);
+void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);
 void sas_ata_schedule_reset(struct domain_device *dev);
 void sas_ata_wait_eh(struct domain_device *dev);
 void sas_probe_sata(struct asd_sas_port *port);
 void sas_suspend_sata(struct asd_sas_port *port);
 void sas_resume_sata(struct asd_sas_port *port);
 void sas_ata_end_eh(struct ata_port *ap);
+int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
+			int force_phy_id);
 #else
 
 
@@ -52,8 +53,7 @@ static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
 {
 }
 
-static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
-			      struct list_head *done_q)
+static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
 {
 }
 
@@ -85,6 +85,12 @@ static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy
 static inline void sas_ata_end_eh(struct ata_port *ap)
 {
 }
+
+static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
+				      int force_phy_id)
+{
+	return 0;
+}
 #endif
 
 #endif /* _SAS_ATA_H_ */
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index e3a4c67794b1..1e80e70dfa92 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -10,7 +10,6 @@
 #include <linux/timer.h>
 #include <linux/scatterlist.h>
 #include <scsi/scsi_device.h>
-#include <scsi/scsi_request.h>
 
 struct Scsi_Host;
 
@@ -27,9 +26,6 @@ struct Scsi_Host;
  * supports without specifying a cmd_len by ULD's
  */
 #define MAX_COMMAND_SIZE 16
-#if (MAX_COMMAND_SIZE > BLK_MAX_CDB)
-# error MAX_COMMAND_SIZE can not be bigger than BLK_MAX_CDB
-#endif
 
 struct scsi_data_buffer {
 	struct sg_table table;
@@ -70,7 +66,6 @@ enum scsi_cmnd_submitter {
 } __packed;
 
 struct scsi_cmnd {
-	struct scsi_request req;
 	struct scsi_device *device;
 	struct list_head eh_entry; /* entry for the host eh_abort_list/eh_cmd_q */
 	struct delayed_work abort_work;
@@ -99,9 +94,7 @@ struct scsi_cmnd {
 	unsigned short cmd_len;
 	enum dma_data_direction sc_data_direction;
 
-	/* These elements define the operation we are about to perform */
-	unsigned char *cmnd;
-
+	unsigned char cmnd[32]; /* SCSI CDB */
 
 	/* These elements define the operation we ultimately want to perform */
 	struct scsi_data_buffer sdb;
@@ -115,18 +108,23 @@ struct scsi_cmnd {
 				   (ie, between disconnect / 
 				   reconnects.   Probably == sector
 				   size */
-
+	unsigned resid_len;	/* residual count */
+	unsigned sense_len;
 	unsigned char *sense_buffer;
 				/* obtained by REQUEST SENSE when
 				 * CHECK CONDITION is received on original
 				 * command (auto-sense). Length must be
 				 * SCSI_SENSE_BUFFERSIZE bytes. */
 
+	int flags;		/* Command flags */
+	unsigned long state;	/* Command completion state */
+
+	unsigned int extra_len;	/* length of alignment and padding */
+
 	/*
-	 * The following fields can be written to by the host specific code. 
-	 * Everything else should be left alone. 
+	 * The fields below can be modified by the LLD but the fields above
+	 * must not be modified.
 	 */
-	struct scsi_pointer SCp;	/* Scratchpad used by some host adapters */
 
 	unsigned char *host_scribble;	/* The host adapter is allowed to
 					 * call scsi_malloc and get some memory
@@ -137,10 +135,6 @@ struct scsi_cmnd {
 					 * to be at an address < 16Mb). */
 
 	int result;		/* Status code from lower level driver */
-	int flags;		/* Command flags */
-	unsigned long state;	/* Command completion state */
-
-	unsigned int extra_len;	/* length of alignment and padding */
 };
 
 /* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */
@@ -159,6 +153,7 @@ static inline void *scsi_cmd_priv(struct scsi_cmnd *cmd)
 }
 
 void scsi_done(struct scsi_cmnd *cmd);
+void scsi_done_direct(struct scsi_cmnd *cmd);
 
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
 
@@ -194,12 +189,12 @@ static inline unsigned scsi_bufflen(struct scsi_cmnd *cmd)
 
 static inline void scsi_set_resid(struct scsi_cmnd *cmd, unsigned int resid)
 {
-	cmd->req.resid_len = resid;
+	cmd->resid_len = resid;
 }
 
 static inline unsigned int scsi_get_resid(struct scsi_cmnd *cmd)
 {
-	return cmd->req.resid_len;
+	return cmd->resid_len;
 }
 
 #define scsi_for_each_sg(cmd, sg, nseg, __i)			\
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 647c53b26105..57e3e239a1fc 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -206,6 +206,7 @@ struct scsi_device {
 	unsigned rpm_autosuspend:1;	/* Enable runtime autosuspend at device
 					 * creation time */
 	unsigned ignore_media_change:1; /* Ignore MEDIA CHANGE on resume */
+	unsigned silence_suspend:1;	/* Do not print runtime PM related messages */
 
 	unsigned int queue_stopped;	/* request queue is quiesced */
 	bool offline_already;		/* Device offline message logged */
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 468094254b3c..1ae08e81339f 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -38,10 +38,8 @@ struct scsi_eh_save {
 	unsigned underflow;
 	unsigned char cmd_len;
 	unsigned char prot_op;
-	unsigned char *cmnd;
+	unsigned char cmnd[32];
 	struct scsi_data_buffer sdb;
-	/* new command support */
-	unsigned char eh_cmnd[BLK_MAX_CDB];
 	struct scatterlist sense_sgl;
 };
 
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 72e1a347baa6..667d889b92b5 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -16,7 +16,6 @@ struct completion;
 struct module;
 struct scsi_cmnd;
 struct scsi_device;
-struct scsi_host_cmd_pool;
 struct scsi_target;
 struct Scsi_Host;
 struct scsi_transport_template;
@@ -493,8 +492,6 @@ struct scsi_host_template {
 	 */
 	u64 vendor_id;
 
-	struct scsi_host_cmd_pool *cmd_pool;
-
 	/* Delay for runtime autosuspend */
 	int rpm_autosuspend_delay;
 };
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
deleted file mode 100644
index 9129b23e12bc..000000000000
--- a/include/scsi/scsi_request.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _SCSI_SCSI_REQUEST_H
-#define _SCSI_SCSI_REQUEST_H
-
-#include <linux/blk-mq.h>
-
-#define BLK_MAX_CDB	16
-
-struct scsi_request {
-	unsigned char	__cmd[BLK_MAX_CDB];
-	unsigned char	*cmd;
-	unsigned short	cmd_len;
-	int		result;
-	unsigned int	sense_len;
-	unsigned int	resid_len;	/* residual count */
-	int		retries;
-	void		*sense;
-};
-
-static inline struct scsi_request *scsi_req(struct request *rq)
-{
-	return blk_mq_rq_to_pdu(rq);
-}
-
-static inline void scsi_req_free_cmd(struct scsi_request *req)
-{
-	if (req->cmd != req->__cmd)
-		kfree(req->cmd);
-}
-
-#endif /* _SCSI_SCSI_REQUEST_H */
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index c5d7810fd792..38e4a67f5922 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -251,6 +251,8 @@ struct iscsi_cls_session {
 	bool recovery_tmo_sysfs_override;
 	struct delayed_work recovery_work;
 
+	struct workqueue_struct *workq;
+
 	unsigned int target_id;
 	bool ida_used;
 
@@ -278,7 +280,6 @@ struct iscsi_cls_session {
 	iscsi_dev_to_session(_stgt->dev.parent)
 
 struct iscsi_cls_host {
-	atomic_t nr_scans;
 	struct mutex mutex;
 	struct request_queue *bsg_q;
 	uint32_t port_speed;
@@ -441,14 +442,14 @@ extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
 						unsigned int target_id);
 extern void iscsi_remove_session(struct iscsi_cls_session *session);
 extern void iscsi_free_session(struct iscsi_cls_session *session);
-extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
+extern struct iscsi_cls_conn *iscsi_alloc_conn(struct iscsi_cls_session *sess,
 						int dd_size, uint32_t cid);
+extern int iscsi_add_conn(struct iscsi_cls_conn *conn);
+extern void iscsi_remove_conn(struct iscsi_cls_conn *conn);
 extern void iscsi_put_conn(struct iscsi_cls_conn *conn);
 extern void iscsi_get_conn(struct iscsi_cls_conn *conn);
-extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
 extern void iscsi_unblock_session(struct iscsi_cls_session *session);
 extern void iscsi_block_session(struct iscsi_cls_session *session);
-extern int iscsi_scan_finished(struct Scsi_Host *shost, unsigned long time);
 extern struct iscsi_endpoint *iscsi_create_endpoint(int dd_size);
 extern void iscsi_destroy_endpoint(struct iscsi_endpoint *ep);
 extern struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle);
diff --git a/include/scsi/viosrp.h b/include/scsi/viosrp.h
index c978133c83e3..6c5559d2b285 100644
--- a/include/scsi/viosrp.h
+++ b/include/scsi/viosrp.h
@@ -70,12 +70,17 @@ enum viosrp_crq_status {
 };
 
 struct viosrp_crq {
-	u8 valid;		/* used by RPA */
-	u8 format;		/* SCSI vs out-of-band */
-	u8 reserved;
-	u8 status;		/* non-scsi failure? (e.g. DMA failure) */
-	__be16 timeout;		/* in seconds */
-	__be16 IU_length;		/* in bytes */
+	union {
+		__be64 high;			/* High 64 bits */
+		struct {
+			u8 valid;		/* used by RPA */
+			u8 format;		/* SCSI vs out-of-band */
+			u8 reserved;
+			u8 status;		/* non-scsi failure? (e.g. DMA failure) */
+			__be16 timeout;		/* in seconds */
+			__be16 IU_length;	/* in bytes */
+		};
+	};
 	__be64 IU_data_ptr;	/* the TCE for transferring data */
 };