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

10 files changed, 91 insertions, 16 deletions

diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 7fb397e3f2d3..5403257ae3e7 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -181,6 +181,7 @@
 #define PCI_DEVICE_ID_LSI_FC929X        0x0626
 #define PCI_DEVICE_ID_LSI_FC939X        0x0642
 #define PCI_DEVICE_ID_LSI_FC949X        0x0640
+#define PCI_DEVICE_ID_LSI_FC949ES       0x0646
 #define PCI_DEVICE_ID_LSI_FC919X        0x0628
 #define PCI_DEVICE_ID_NCR_YELLOWFIN     0x0701
 #define PCI_DEVICE_ID_LSI_61C102        0x0901
diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h
index 48831eac2910..d0dd38b3a2fd 100644
--- a/include/linux/raid_class.h
+++ b/include/linux/raid_class.h
@@ -31,9 +31,11 @@ enum raid_level {
         RAID_LEVEL_LINEAR,
         RAID_LEVEL_0,
         RAID_LEVEL_1,
+        RAID_LEVEL_10,
         RAID_LEVEL_3,
         RAID_LEVEL_4,
         RAID_LEVEL_5,
+        RAID_LEVEL_50,
         RAID_LEVEL_6,
 };
 
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index be1bc792ab18..3e5cb5ab2d34 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -168,6 +168,12 @@ typedef uint64_t iscsi_connh_t;		/* iSCSI Data-Path connection handle */
 
 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
+#define hostdata_session(_hostdata) (iscsi_ptr(*(unsigned long *)_hostdata))
+
+/**
+ * iscsi_hostdata - get LLD hostdata from scsi_host
+ * @_hostdata: pointer to scsi host's hostdata
+ **/
 #define iscsi_hostdata(_hostdata) ((void*)_hostdata + sizeof(unsigned long))
 
 /*
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 6cb1e2788d8b..c60b8ff2f5e4 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -32,6 +32,12 @@ extern const unsigned char scsi_command_size[8];
 extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
 
 /*
+ * Special value for scanning to specify scanning or rescanning of all
+ * possible channels, (target) ids, or luns on a given shost.
+ */
+#define SCAN_WILD_CARD  ~0
+
+/*
  *      SCSI opcodes
  */
 
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 41cfc29be899..7529f4388bb4 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -151,6 +151,5 @@ extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
 extern void scsi_put_command(struct scsi_cmnd *);
 extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int);
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
-extern void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd);
 
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 230bc55c0bfa..467274a764d1 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -5,6 +5,7 @@
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
+#include <linux/mutex.h>
 
 struct block_device;
 struct completion;
@@ -469,7 +470,7 @@ struct Scsi_Host {
         spinlock_t              default_lock;
         spinlock_t              *host_lock;
 
-        struct semaphore        scan_mutex;/* serialize scanning activity */
+        struct mutex            scan_mutex;/* serialize scanning activity */
 
         struct list_head        eh_cmd_q;
         struct task_struct    * ehandler;  /* Error recovery thread. */
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index f6e0bb484c63..e7b1054adf86 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -30,12 +30,9 @@ struct scsi_transport_template {
         struct transport_container device_attrs;
 
         /*
-         * If set, call target_parent prior to allocating a scsi_target,
-         * so we get the appropriate parent for the target. This function
-         * is required for transports like FC and iSCSI that do not put the
-         * scsi_target under scsi_host.
+         * If set, called from sysfs and legacy procfs rescanning code.
          */
-        struct device *(*target_parent)(struct Scsi_Host *, int, uint);
+        int (*user_scan)(struct Scsi_Host *, uint, uint, uint);
 
         /* The size of the specific transport attribute structure (a
          * space of this size will be left at the end of the
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 394f14a5b7cb..cf3fec8be1e3 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -303,6 +303,7 @@ struct fc_host_attrs {
         /* Fixed Attributes */
         u64 node_name;
         u64 port_name;
+        u64 permanent_port_name;
         u32 supported_classes;
         u8  supported_fc4s[FC_FC4_LIST_SIZE];
         char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
@@ -338,6 +339,8 @@ struct fc_host_attrs {
         (((struct fc_host_attrs *)(x)->shost_data)->node_name)
 #define fc_host_port_name(x)    \
         (((struct fc_host_attrs *)(x)->shost_data)->port_name)
+#define fc_host_permanent_port_name(x)  \
+        (((struct fc_host_attrs *)(x)->shost_data)->permanent_port_name)
 #define fc_host_supported_classes(x)    \
         (((struct fc_host_attrs *)(x)->shost_data)->supported_classes)
 #define fc_host_supported_fc4s(x)       \
@@ -426,6 +429,7 @@ struct fc_function_template {
         /* host fixed attributes */
         unsigned long   show_host_node_name:1;
         unsigned long   show_host_port_name:1;
+        unsigned long   show_host_permanent_port_name:1;
         unsigned long   show_host_supported_classes:1;
         unsigned long   show_host_supported_fc4s:1;
         unsigned long   show_host_symbolic_name:1;
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index f25041c386ec..16602a547a63 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -23,8 +23,14 @@
 #ifndef SCSI_TRANSPORT_ISCSI_H
 #define SCSI_TRANSPORT_ISCSI_H
 
+#include <linux/device.h>
 #include <scsi/iscsi_if.h>
 
+struct scsi_transport_template;
+struct Scsi_Host;
+struct mempool_zone;
+struct iscsi_cls_conn;
+
 /**
  * struct iscsi_transport - iSCSI Transport template
  *
@@ -48,23 +54,31 @@ struct iscsi_transport {
         char *name;
         unsigned int caps;
         struct scsi_host_template *host_template;
+        /* LLD session/scsi_host data size */
         int hostdata_size;
+        /* LLD iscsi_host data size */
+        int ihostdata_size;
+        /* LLD connection data size */
+        int conndata_size;
         int max_lun;
         unsigned int max_conn;
         unsigned int max_cmd_len;
-        iscsi_sessionh_t (*create_session) (uint32_t initial_cmdsn,
-                                            struct Scsi_Host *shost);
-        void (*destroy_session) (iscsi_sessionh_t session);
-        iscsi_connh_t (*create_conn) (iscsi_sessionh_t session, uint32_t cid);
+        struct Scsi_Host *(*create_session) (struct scsi_transport_template *t,
+                                             uint32_t initial_cmdsn);
+        void (*destroy_session) (struct Scsi_Host *shost);
+        struct iscsi_cls_conn *(*create_conn) (struct Scsi_Host *shost,
+                                uint32_t cid);
         int (*bind_conn) (iscsi_sessionh_t session, iscsi_connh_t conn,
                           uint32_t transport_fd, int is_leading);
         int (*start_conn) (iscsi_connh_t conn);
         void (*stop_conn) (iscsi_connh_t conn, int flag);
-        void (*destroy_conn) (iscsi_connh_t conn);
+        void (*destroy_conn) (struct iscsi_cls_conn *conn);
         int (*set_param) (iscsi_connh_t conn, enum iscsi_param param,
                           uint32_t value);
-        int (*get_param) (iscsi_connh_t conn, enum iscsi_param param,
-                          uint32_t *value);
+        int (*get_conn_param) (void *conndata, enum iscsi_param param,
+                               uint32_t *value);
+        int (*get_session_param) (struct Scsi_Host *shost,
+                                  enum iscsi_param param, uint32_t *value);
         int (*send_pdu) (iscsi_connh_t conn, struct iscsi_hdr *hdr,
                          char *data, uint32_t data_size);
         void (*get_stats) (iscsi_connh_t conn, struct iscsi_stats *stats);
@@ -73,7 +87,7 @@ struct iscsi_transport {
 /*
  * transport registration upcalls
  */
-extern int iscsi_register_transport(struct iscsi_transport *tt);
+extern struct scsi_transport_template *iscsi_register_transport(struct iscsi_transport *tt);
 extern int iscsi_unregister_transport(struct iscsi_transport *tt);
 
 /*
@@ -83,4 +97,49 @@ extern void iscsi_conn_error(iscsi_connh_t conn, enum iscsi_err error);
 extern int iscsi_recv_pdu(iscsi_connh_t conn, struct iscsi_hdr *hdr,
                           char *data, uint32_t data_size);
 
+struct iscsi_cls_conn {
+        struct list_head conn_list;     /* item in connlist */
+        void *dd_data;                  /* LLD private data */
+        struct iscsi_transport *transport;
+        iscsi_connh_t connh;
+        int active;                     /* must be accessed with the connlock */
+        struct device dev;              /* sysfs transport/container device */
+        struct mempool_zone *z_error;
+        struct mempool_zone *z_pdu;
+        struct list_head freequeue;
+};
+
+#define iscsi_dev_to_conn(_dev) \
+        container_of(_dev, struct iscsi_cls_conn, dev)
+
+struct iscsi_cls_session {
+        struct list_head list;  /* item in session_list */
+        struct iscsi_transport *transport;
+        struct device dev;      /* sysfs transport/container device */
+};
+
+#define iscsi_dev_to_session(_dev) \
+        container_of(_dev, struct iscsi_cls_session, dev)
+
+#define iscsi_session_to_shost(_session) \
+        dev_to_shost(_session->dev.parent)
+
+/*
+ * session and connection functions that can be used by HW iSCSI LLDs
+ */
+extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
+                                struct iscsi_transport *t);
+extern int iscsi_destroy_session(struct iscsi_cls_session *session);
+extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
+                                            uint32_t cid);
+extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
+
+/*
+ * session functions used by software iscsi
+ */
+extern struct Scsi_Host *
+iscsi_transport_create_session(struct scsi_transport_template *scsit,
+                               struct iscsi_transport *transport);
+extern int iscsi_transport_destroy_session(struct Scsi_Host *shost);
+
 #endif
diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index 54a89611e9c5..2b5930ba69ec 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -54,7 +54,7 @@ struct spi_transport_attrs {
         unsigned int support_qas; /* supports quick arbitration and selection */
         /* Private Fields */
         unsigned int dv_pending:1; /* Internal flag */
-        struct semaphore dv_sem; /* semaphore to serialise dv */
+        struct mutex dv_mutex; /* semaphore to serialise dv */
 };
 
 enum spi_signal_type {