12 files changed, 59 insertions, 32 deletions

diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index 5ffec8ad6964..e0593bfae622 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -112,6 +112,7 @@ struct iscsi_ahs_hdr {
 
 #define ISCSI_AHSTYPE_CDB               1
 #define ISCSI_AHSTYPE_RLENGTH           2
+#define ISCSI_CDB_SIZE                  16
 
 /* iSCSI PDU Header */
 struct iscsi_cmd {
@@ -125,7 +126,7 @@ struct iscsi_cmd {
         __be32 data_length;
         __be32 cmdsn;
         __be32 exp_statsn;
-        uint8_t cdb[16];        /* SCSI Command Block */
+        uint8_t cdb[ISCSI_CDB_SIZE];    /* SCSI Command Block */
         /* Additional Data (Command Dependent) */
 };
 
@@ -154,7 +155,8 @@ struct iscsi_ecdb_ahdr {
         __be16 ahslength;       /* CDB length - 15, including reserved byte */
         uint8_t ahstype;
         uint8_t reserved;
-        uint8_t ecdb[260 - 16]; /* 4-byte aligned extended CDB spillover */
+        /* 4-byte aligned extended CDB spillover */
+        uint8_t ecdb[260 - ISCSI_CDB_SIZE];
 };
 
 /* SCSI Response Header */
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 3ffd6b582a97..e78d3b62d8ec 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -32,7 +32,6 @@
 #include <scsi/sas.h>
 #include <linux/libata.h>
 #include <linux/list.h>
-#include <asm/semaphore.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_transport_sas.h>
@@ -675,5 +674,8 @@ extern int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
 
 extern void sas_ssp_task_response(struct device *dev, struct sas_task *task,
                                   struct ssp_response_iu *iu);
+struct sas_phy *sas_find_local_phy(struct domain_device *dev);
+
+int sas_request_addr(struct Scsi_Host *shost, u8 *addr);
 
 #endif /* _SASLIB_H_ */
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index dd5edc915417..c583193ae929 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -47,12 +47,12 @@ static inline int dev_is_sata(struct domain_device *dev)
 {
         return 0;
 }
-int sas_ata_init_host_and_port(struct domain_device *found_dev,
+static inline int sas_ata_init_host_and_port(struct domain_device *found_dev,
                                struct scsi_target *starget)
 {
         return 0;
 }
-void sas_ata_task_abort(struct sas_task *task)
+static inline void sas_ata_task_abort(struct sas_task *task)
 {
 }
 #endif
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index de28aab820b0..8d20e60a94b7 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -130,6 +130,9 @@ extern void scsi_release_buffers(struct scsi_cmnd *cmd);
 extern int scsi_dma_map(struct scsi_cmnd *cmd);
 extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
 
+struct scsi_cmnd *scsi_allocate_command(gfp_t gfp_mask);
+void scsi_free_command(gfp_t gfp_mask, struct scsi_cmnd *cmd);
+
 static inline unsigned scsi_sg_count(struct scsi_cmnd *cmd)
 {
         return cmd->sdb.table.nents;
@@ -175,4 +178,18 @@ static inline struct scsi_data_buffer *scsi_out(struct scsi_cmnd *cmd)
         return &cmd->sdb;
 }
 
+static inline int scsi_sg_copy_from_buffer(struct scsi_cmnd *cmd,
+                                           void *buf, int buflen)
+{
+        return sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),
+                                   buf, buflen);
+}
+
+static inline int scsi_sg_copy_to_buffer(struct scsi_cmnd *cmd,
+                                         void *buf, int buflen)
+{
+        return sg_copy_to_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),
+                                 buf, buflen);
+}
+
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index ab7acbe80960..f6a9fe0ef09c 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -156,8 +156,8 @@ struct scsi_device {
 
         int timeout;
 
-        struct device           sdev_gendev;
-        struct class_device     sdev_classdev;
+        struct device           sdev_gendev,
+                                sdev_dev;
 
         struct execute_work     ew; /* used to get process context on put */
 
@@ -167,9 +167,9 @@ struct scsi_device {
 #define to_scsi_device(d)       \
         container_of(d, struct scsi_device, sdev_gendev)
 #define class_to_sdev(d)        \
-        container_of(d, struct scsi_device, sdev_classdev)
+        container_of(d, struct scsi_device, sdev_dev)
 #define transport_class_to_sdev(class_dev) \
-        to_scsi_device(class_dev->dev)
+        to_scsi_device(class_dev->parent)
 
 #define sdev_printk(prefix, sdev, fmt, a...)    \
         dev_printk(prefix, &(sdev)->sdev_gendev, fmt, ##a)
@@ -181,7 +181,8 @@ struct scsi_device {
         sdev_printk(prefix, (scmd)->device, fmt, ##a)
 
 enum scsi_target_state {
-        STARGET_RUNNING = 1,
+        STARGET_CREATED = 1,
+        STARGET_RUNNING,
         STARGET_DEL,
 };
 
@@ -220,7 +221,7 @@ static inline struct scsi_target *scsi_target(struct scsi_device *sdev)
         return to_scsi_target(sdev->sdev_gendev.parent);
 }
 #define transport_class_to_starget(class_dev) \
-        to_scsi_target(class_dev->dev)
+        to_scsi_target(class_dev->parent)
 
 #define starget_printk(prefix, starget, fmt, a...)      \
         dev_printk(prefix, &(starget)->dev, fmt, ##a)
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 25071d5d9bf8..d3a133b4a072 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -57,13 +57,16 @@ extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
 
 extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
                                    u64 * info_out);
- 
+
+extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq);
+
 /*
  * Reset request from external source
  */
 #define SCSI_TRY_RESET_DEVICE   1
 #define SCSI_TRY_RESET_BUS      2
 #define SCSI_TRY_RESET_HOST     3
+#define SCSI_TRY_RESET_TARGET   4
 
 extern int scsi_reset_provider(struct scsi_device *, int);
 
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 530ff4c553f8..d967d6dc7a28 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -172,6 +172,7 @@ struct scsi_host_template {
          */
         int (* eh_abort_handler)(struct scsi_cmnd *);
         int (* eh_device_reset_handler)(struct scsi_cmnd *);
+        int (* eh_target_reset_handler)(struct scsi_cmnd *);
         int (* eh_bus_reset_handler)(struct scsi_cmnd *);
         int (* eh_host_reset_handler)(struct scsi_cmnd *);
 
@@ -469,7 +470,7 @@ struct scsi_host_template {
         /*
          * Pointer to the sysfs class properties for this host, NULL terminated.
          */
-        struct class_device_attribute **shost_attrs;
+        struct device_attribute **shost_attrs;
 
         /*
          * Pointer to the SCSI device properties for this host, NULL terminated.
@@ -654,8 +655,7 @@ struct Scsi_Host {
         enum scsi_host_state shost_state;
 
         /* ldm bits */
-        struct device           shost_gendev;
-        struct class_device     shost_classdev;
+        struct device           shost_gendev, shost_dev;
 
         /*
          * List of hosts per template.
@@ -682,7 +682,7 @@ struct Scsi_Host {
 };
 
 #define         class_to_shost(d)       \
-        container_of(d, struct Scsi_Host, shost_classdev)
+        container_of(d, struct Scsi_Host, shost_dev)
 
 #define shost_printk(prefix, shost, fmt, a...)  \
         dev_printk(prefix, &(shost)->shost_gendev, fmt, ##a)
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index 0dfef752f0e2..490bd13a634c 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -80,7 +80,7 @@ struct scsi_transport_template {
 };
 
 #define transport_class_to_shost(tc) \
-        dev_to_shost((tc)->dev)
+        dev_to_shost((tc)->parent)
 
 
 /* Private area maintenance. The driver requested allocations come
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 4769efd4db24..06f72bab9df0 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -163,8 +163,8 @@ enum fc_tgtid_binding_type  {
 
 
 /* Macro for use in defining Virtual Port attributes */
-#define FC_VPORT_ATTR(_name,_mode,_show,_store)                         \
-struct class_device_attribute class_device_attr_vport_##_name =         \
+#define FC_VPORT_ATTR(_name,_mode,_show,_store)         \
+struct device_attribute dev_attr_vport_##_name =        \
         __ATTR(_name,_mode,_show,_store)
 
 
@@ -234,8 +234,8 @@ struct fc_vport {
 
 #define dev_to_vport(d)                         \
         container_of(d, struct fc_vport, dev)
-#define transport_class_to_vport(classdev)      \
-        dev_to_vport(classdev->dev)
+#define transport_class_to_vport(dev)           \
+        dev_to_vport(dev->parent)
 #define vport_to_shost(v)                       \
         (v->shost)
 #define vport_to_shost_channel(v)               \
@@ -271,7 +271,7 @@ struct fc_rport_identifiers {
 
 /* Macro for use in defining Remote Port attributes */
 #define FC_RPORT_ATTR(_name,_mode,_show,_store)                         \
-struct class_device_attribute class_device_attr_rport_##_name =         \
+struct device_attribute dev_attr_rport_##_name =        \
         __ATTR(_name,_mode,_show,_store)
 
 
@@ -341,8 +341,8 @@ struct fc_rport {	/* aka fc_starget_attrs */
 
 #define dev_to_rport(d)                         \
         container_of(d, struct fc_rport, dev)
-#define transport_class_to_rport(classdev)      \
-        dev_to_rport(classdev->dev)
+#define transport_class_to_rport(dev)   \
+        dev_to_rport(dev->parent)
 #define rport_to_shost(r)                       \
         dev_to_shost(r->dev.parent)
 
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index dbc96ef4cc72..aab1eae2ec4c 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -177,6 +177,8 @@ struct iscsi_cls_session {
         struct list_head host_list;
         struct iscsi_transport *transport;
         spinlock_t lock;
+        struct work_struct block_work;
+        struct work_struct unblock_work;
         struct work_struct scan_work;
         struct work_struct unbind_work;
 
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 09125fa95b93..61ad3594aad6 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -80,8 +80,8 @@ struct sas_phy {
 
 #define dev_to_phy(d) \
         container_of((d), struct sas_phy, dev)
-#define transport_class_to_phy(cdev) \
-        dev_to_phy((cdev)->dev)
+#define transport_class_to_phy(dev) \
+        dev_to_phy((dev)->parent)
 #define phy_to_shost(phy) \
         dev_to_shost((phy)->dev.parent)
 
@@ -96,8 +96,8 @@ struct sas_rphy {
 
 #define dev_to_rphy(d) \
         container_of((d), struct sas_rphy, dev)
-#define transport_class_to_rphy(cdev) \
-        dev_to_rphy((cdev)->dev)
+#define transport_class_to_rphy(dev) \
+        dev_to_rphy((dev)->parent)
 #define rphy_to_shost(rphy) \
         dev_to_shost((rphy)->dev.parent)
 #define target_to_rphy(targ) \
@@ -152,8 +152,8 @@ struct sas_port {
 
 #define dev_to_sas_port(d) \
         container_of((d), struct sas_port, dev)
-#define transport_class_to_sas_port(cdev) \
-        dev_to_sas_port((cdev)->dev)
+#define transport_class_to_sas_port(dev) \
+        dev_to_sas_port((dev)->parent)
 
 struct sas_phy_linkrates {
         enum sas_linkrate maximum_linkrate;
diff --git a/include/scsi/sd.h b/include/scsi/sd.h
index 8ea9f7358ac1..4f032d48cb6e 100644
--- a/include/scsi/sd.h
+++ b/include/scsi/sd.h
@@ -34,7 +34,7 @@
 struct scsi_disk {
         struct scsi_driver *driver;     /* always &sd_template */
         struct scsi_device *device;
-        struct class_device cdev;
+        struct device   dev;
         struct gendisk  *disk;
         unsigned int    openers;        /* protected by BKL for now, yuck */
         sector_t        capacity;       /* size in 512-byte sectors */
@@ -46,7 +46,7 @@ struct scsi_disk {
         unsigned        RCD : 1;        /* state of disk RCD bit, unused */
         unsigned        DPOFUA : 1;     /* state of disk DPOFUA bit */
 };
-#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,cdev)
+#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
 
 #define sd_printk(prefix, sdsk, fmt, a...)                              \
         (sdsk)->disk ?                                                  \