Merge branch 'master' into for-2.6.31

Conflicts:
	drivers/block/hd.c
	drivers/block/mg_disk.c

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

4 files changed, 75 insertions, 25 deletions

diff --git a/include/scsi/fc/fc_fs.h b/include/scsi/fc/fc_fs.h
index 1b7af3a64c7c..ac4cd38c860e 100644
--- a/include/scsi/fc/fc_fs.h
+++ b/include/scsi/fc/fc_fs.h
@@ -149,6 +149,7 @@ enum fc_rctl {
  * Well-known fabric addresses.
  */
 enum fc_well_known_fid {
+        FC_FID_NONE =           0x000000,       /* No destination */
         FC_FID_BCAST =          0xffffff,       /* broadcast */
         FC_FID_FLOGI =          0xfffffe,       /* fabric login */
         FC_FID_FCTRL =          0xfffffd,       /* fabric controller */
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 0303a6a098cc..45f9cc642c46 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -637,6 +637,7 @@ struct fc_disc {
                               enum fc_disc_event);
 
         struct list_head         rports;
+        struct list_head         rogue_rports;
         struct fc_lport         *lport;
         struct mutex            disc_mutex;
         struct fc_gpn_ft_resp   partial_buf;    /* partial name buffer */
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 7ffaed2f94dd..0289f5745fb9 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -36,6 +36,7 @@ struct scsi_transport_template;
 struct scsi_host_template;
 struct scsi_device;
 struct Scsi_Host;
+struct scsi_target;
 struct scsi_cmnd;
 struct socket;
 struct iscsi_transport;
@@ -350,6 +351,7 @@ extern struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
                                           bool xmit_can_sleep);
 extern void iscsi_host_remove(struct Scsi_Host *shost);
 extern void iscsi_host_free(struct Scsi_Host *shost);
+extern int iscsi_target_alloc(struct scsi_target *starget);
 
 /*
  * session management
diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h
index cd3cbf764650..62b2ab8c69d4 100644
--- a/include/scsi/osd_protocol.h
+++ b/include/scsi/osd_protocol.h
@@ -24,17 +24,18 @@ 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,*/
+        OSDv2_ADDITIONAL_CDB_LENGTH = 228,
         OSD_ADDITIONAL_CDB_LENGTH =
-                OSDv1_ADDITIONAL_CDB_LENGTH, /* FIXME: Pete rev-001 sup */
+                OSDv2_ADDITIONAL_CDB_LENGTH,
         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_CAP_LEN = 104,
 
         OSD_SYSTEMID_LEN = 20,
-        OSD_CRYPTO_KEYID_SIZE = 20,
-        /*FIXME: OSDv2_CRYPTO_KEYID_SIZE = 32,*/
+        OSDv1_CRYPTO_KEYID_SIZE = 20,
+        OSDv2_CRYPTO_KEYID_SIZE = 32,
+        OSD_CRYPTO_KEYID_SIZE = OSDv2_CRYPTO_KEYID_SIZE,
         OSD_CRYPTO_SEED_SIZE = 4,
         OSD_CRYPTO_NONCE_SIZE = 12,
         OSD_MAX_SENSE_LEN = 252, /* from SPC-3 */
@@ -164,7 +165,11 @@ struct osd_cdb_head {
                         /* called allocation_length in some commands */
 /*32*/                  __be64  length;
 /*40*/                  __be64  start_address;
-/*48*/                  __be32 list_identifier;/* Rarely used */
+                        union {
+/*48*/                          __be32 list_identifier;/* Rarely used */
+                                /* OSD2r05 5.2.5 CDB continuation length */
+/*48*/                          __be32 cdb_continuation_length;
+                        };
                 } __packed v2;
         };
 /*52*/  union { /* selected attributes mode Page/List/Single */
@@ -204,29 +209,40 @@ struct osd_cdb_head {
 /*80*/
 
 /*160 v1*/
-/*184 v2*/
-struct osd_security_parameters {
-/*160*/u8       integrity_check_value[OSD_CRYPTO_KEYID_SIZE];
+struct osdv1_security_parameters {
+/*160*/u8       integrity_check_value[OSDv1_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 */
+/*184 v2*/
+struct osdv2_security_parameters {
+/*184*/u8       integrity_check_value[OSDv2_CRYPTO_KEYID_SIZE];
+/*216*/u8       request_nonce[OSD_CRYPTO_NONCE_SIZE];
+/*228*/osd_cdb_offset   data_in_integrity_check_offset;
+/*232*/osd_cdb_offset   data_out_integrity_check_offset;
+} __packed;
+/*236 v2*/
+
+struct osd_security_parameters {
+        union {
+                struct osdv1_security_parameters v1;
+                struct osdv2_security_parameters v2;
+        };
+};
 
 struct osdv1_cdb {
         struct osd_cdb_head h;
         u8 caps[OSDv1_CAP_LEN];
-        struct osd_security_parameters sec_params;
+        struct osdv1_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 */
+        struct osdv2_security_parameters sec_params;
 } __packed;
 
 struct osd_cdb {
@@ -301,14 +317,25 @@ struct osd_attributes_list_attrid {
 } __packed;
 
 /*
+ * NOTE: v1: is not aligned.
+ */
+struct osdv1_attributes_list_element {
+        __be32 attr_page;
+        __be32 attr_id;
+        __be16 attr_bytes; /* valid bytes at attr_val without padding */
+        u8 attr_val[0];
+} __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.
+ * NOTE: v2 is 8-bytes aligned
  */
-struct osd_attributes_list_element {
+struct osdv2_attributes_list_element {
         __be32 attr_page;
         __be32 attr_id;
-        __be16 attr_bytes;
+        u8 reserved[6];
+        __be16 attr_bytes; /* valid bytes at attr_val without padding */
         u8 attr_val[0];
 } __packed;
 
@@ -324,13 +351,13 @@ enum {
 
 static inline unsigned osdv1_attr_list_elem_size(unsigned len)
 {
-        return ALIGN(len + sizeof(struct osd_attributes_list_element),
+        return ALIGN(len + sizeof(struct osdv1_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),
+        return ALIGN(len + sizeof(struct osdv2_attributes_list_element),
                      OSD_ATTRIBUTES_ELEM_ALIGN);
 }
 
@@ -419,15 +446,35 @@ struct osd_data_out_integrity_info {
         __be64 data_bytes;
         __be64 set_attributes_bytes;
         __be64 get_attributes_bytes;
-        __be64 integrity_check_value;
+        __u8 integrity_check_value[OSD_CRYPTO_KEYID_SIZE];
 } __packed;
 
+/* Same osd_data_out_integrity_info is used for OSD2/OSD1. The only difference
+ * Is the sizeof the structure since in OSD1 the last array is smaller. Use
+ * below for version independent handling of this structure
+ */
+static inline int osd_data_out_integrity_info_sizeof(bool is_ver1)
+{
+        return sizeof(struct osd_data_out_integrity_info) -
+                (is_ver1 * (OSDv2_CRYPTO_KEYID_SIZE - OSDv1_CRYPTO_KEYID_SIZE));
+}
+
 struct osd_data_in_integrity_info {
         __be64 data_bytes;
         __be64 retrieved_attributes_bytes;
-        __be64 integrity_check_value;
+        __u8 integrity_check_value[OSD_CRYPTO_KEYID_SIZE];
 } __packed;
 
+/* Same osd_data_in_integrity_info is used for OSD2/OSD1. The only difference
+ * Is the sizeof the structure since in OSD1 the last array is smaller. Use
+ * below for version independent handling of this structure
+ */
+static inline int osd_data_in_integrity_info_sizeof(bool is_ver1)
+{
+        return sizeof(struct osd_data_in_integrity_info) -
+                (is_ver1 * (OSDv2_CRYPTO_KEYID_SIZE - OSDv1_CRYPTO_KEYID_SIZE));
+}
+
 struct osd_timestamp {
         u8 time[6]; /* number of milliseconds since 1/1/1970 UT (big endian) */
 } __packed;
@@ -477,7 +524,7 @@ enum osd_capability_bit_masks {
 
         OSD_SEC_CAP_NONE1       = BIT(8),
         OSD_SEC_CAP_NONE2       = BIT(9),
-        OSD_SEC_CAP_NONE3       = BIT(10),
+        OSD_SEC_GBL_REM         = BIT(10), /*v2 only*/
         OSD_SEC_CAP_QUERY       = BIT(11), /*v2 only*/
         OSD_SEC_CAP_M_OBJECT    = BIT(12), /*v2 only*/
         OSD_SEC_CAP_POL_SEC     = BIT(13),
@@ -552,8 +599,7 @@ struct osdv1_capability {
 
 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 */
+        struct osd_cap_object_descriptor od;
 } __packed;
 
 /**