7 files changed, 69 insertions, 14 deletions

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index a8631acd37c3..c3e1cbcc2ad2 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -263,6 +263,7 @@ enum iscsi_err {
         ISCSI_ERR_INVALID_HOST          = ISCSI_ERR_BASE + 18,
         ISCSI_ERR_XMIT_FAILED           = ISCSI_ERR_BASE + 19,
         ISCSI_ERR_TCP_CONN_CLOSE        = ISCSI_ERR_BASE + 20,
+        ISCSI_ERR_SCSI_EH_SESSION_RST   = ISCSI_ERR_BASE + 21,
 };
 
 /*
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index f986ab7ffe6f..f53c8e31d5fb 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -221,8 +221,8 @@ struct fc_rport_priv {
  * @InputRequests:         Number of input requests
  * @OutputRequests:        Number of output requests
  * @ControlRequests:       Number of control requests
- * @InputMegabytes:        Number of received megabytes
- * @OutputMegabytes:       Number of transmitted megabytes
+ * @InputBytes:            Number of received bytes
+ * @OutputBytes:           Number of transmitted bytes
  * @VLinkFailureCount:     Number of virtual link failures
  * @MissDiscAdvCount:      Number of missing FIP discovery advertisement
  */
@@ -241,8 +241,8 @@ struct fcoe_dev_stats {
         u64             InputRequests;
         u64             OutputRequests;
         u64             ControlRequests;
-        u64             InputMegabytes;
-        u64             OutputMegabytes;
+        u64             InputBytes;
+        u64             OutputBytes;
         u64             VLinkFailureCount;
         u64             MissDiscAdvCount;
 };
@@ -263,7 +263,6 @@ struct fc_seq_els_data {
  * struct fc_fcp_pkt - FCP request structure (one for each scsi_cmnd request)
  * @lp:              The associated local port
  * @state:           The state of the I/O
- * @tgt_flags:       Target's flags
  * @ref_cnt:         Reference count
  * @scsi_pkt_lock:   Lock to protect the SCSI packet (must be taken before the
  *                   host_lock if both are to be held at the same time)
@@ -298,7 +297,6 @@ struct fc_fcp_pkt {
         /* Housekeeping information */
         struct fc_lport   *lp;
         u16               state;
-        u16               tgt_flags;
         atomic_t          ref_cnt;
         spinlock_t        scsi_pkt_lock;
 
@@ -1006,8 +1004,7 @@ void fc_fcp_destroy(struct fc_lport *);
 /*
  * SCSI INTERACTION LAYER
  *****************************/
-int fc_queuecommand(struct scsi_cmnd *,
-                    void (*done)(struct scsi_cmnd *));
+int fc_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
 int fc_eh_abort(struct scsi_cmnd *);
 int fc_eh_device_reset(struct scsi_cmnd *);
 int fc_eh_host_reset(struct scsi_cmnd *);
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 06f1b5a8ed19..feb6a94c90ea 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -92,10 +92,12 @@ enum fip_state {
  * @timer_work:    &work_struct for doing keep-alives and resets.
  * @recv_work:     &work_struct for receiving FIP frames.
  * @fip_recv_list: list of received FIP frames.
+ * @flogi_req:     clone of FLOGI request sent
  * @rnd_state:     state for pseudo-random number generator.
  * @port_id:       proposed or selected local-port ID.
  * @user_mfs:      configured maximum FC frame size, including FC header.
  * @flogi_oxid:    exchange ID of most recent fabric login.
+ * @flogi_req_send: send of FLOGI requested
  * @flogi_count:   number of FLOGI attempts in AUTO mode.
  * @map_dest:      use the FC_MAP mode for destination MAC addresses.
  * @spma:          supports SPMA server-provided MACs mode
@@ -106,6 +108,7 @@ enum fip_state {
  * @update_mac:    LLD-supplied function to handle changes to MAC addresses.
  * @get_src_addr:  LLD-supplied function to supply a source MAC address.
  * @ctlr_mutex:    lock protecting this structure.
+ * @ctlr_lock:     spinlock covering flogi_req
  *
  * This structure is used by all FCoE drivers.  It contains information
  * needed by all FCoE low-level drivers (LLDs) as well as internal state
@@ -126,12 +129,14 @@ struct fcoe_ctlr {
         struct work_struct timer_work;
         struct work_struct recv_work;
         struct sk_buff_head fip_recv_list;
+        struct sk_buff *flogi_req;
 
         struct rnd_state rnd_state;
         u32 port_id;
 
         u16 user_mfs;
         u16 flogi_oxid;
+        u8 flogi_req_send;
         u8 flogi_count;
         u8 map_dest;
         u8 spma;
@@ -143,6 +148,7 @@ struct fcoe_ctlr {
         void (*update_mac)(struct fc_lport *, u8 *addr);
         u8 * (*get_src_addr)(struct fc_lport *);
         struct mutex ctlr_mutex;
+        spinlock_t ctlr_lock;
 };
 
 /**
@@ -155,6 +161,7 @@ struct fcoe_ctlr {
  * @fcf_mac:     Ethernet address of the FCF
  * @vfid:        virtual fabric ID
  * @pri:         selection priority, smaller values are better
+ * @flogi_sent:  current FLOGI sent to this FCF
  * @flags:       flags received from advertisement
  * @fka_period:  keep-alive period, in jiffies
  *
@@ -176,6 +183,7 @@ struct fcoe_fcf {
         u8 fcf_mac[ETH_ALEN];
 
         u8 pri;
+        u8 flogi_sent;
         u16 flags;
         u32 fka_period;
         u8 fd_flags:1;
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ae5196aae1a5..748382b32b52 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -89,6 +89,7 @@ enum {
         ISCSI_TASK_RUNNING,
         ISCSI_TASK_ABRT_TMF,            /* aborted due to TMF */
         ISCSI_TASK_ABRT_SESS_RECOV,     /* aborted due to session recovery */
+        ISCSI_TASK_REQUEUE_SCSIQ,       /* qcmd requeueing to scsi-ml */
 };
 
 struct iscsi_r2t_info {
@@ -341,8 +342,7 @@ extern int iscsi_eh_abort(struct scsi_cmnd *sc);
 extern int iscsi_eh_recover_target(struct scsi_cmnd *sc);
 extern int iscsi_eh_session_reset(struct scsi_cmnd *sc);
 extern int iscsi_eh_device_reset(struct scsi_cmnd *sc);
-extern int iscsi_queuecommand(struct scsi_cmnd *sc,
-                              void (*done)(struct scsi_cmnd *));
+extern int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc);
 
 /*
  * iSCSI host helpers.
@@ -420,6 +420,7 @@ extern struct iscsi_task *iscsi_itt_to_ctask(struct iscsi_conn *, itt_t);
 extern struct iscsi_task *iscsi_itt_to_task(struct iscsi_conn *, itt_t);
 extern void iscsi_requeue_task(struct iscsi_task *task);
 extern void iscsi_put_task(struct iscsi_task *task);
+extern void __iscsi_put_task(struct iscsi_task *task);
 extern void __iscsi_get_task(struct iscsi_task *task);
 extern void iscsi_complete_scsi_task(struct iscsi_task *task,
                                      uint32_t exp_cmdsn, uint32_t max_cmdsn);
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 3dec1949f69c..8f6bb9c7f3eb 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -361,6 +361,8 @@ struct sas_ha_struct {
         /* The class calls this to send a task for execution. */
         int lldd_max_execute_num;
         int lldd_queue_size;
+        int strict_wide_ports; /* both sas_addr and attached_sas_addr must match
+                                * their siblings when forming wide ports */
 
         /* LLDD calls these to notify the class of an event. */
         void (*notify_ha_event)(struct sas_ha_struct *, enum ha_event);
@@ -621,8 +623,7 @@ int sas_set_phy_speed(struct sas_phy *phy,
 int sas_phy_enable(struct sas_phy *phy, int enabled);
 int sas_phy_reset(struct sas_phy *phy, int hard_reset);
 int sas_queue_up(struct sas_task *task);
-extern int sas_queuecommand(struct scsi_cmnd *,
-                     void (*scsi_done)(struct scsi_cmnd *));
+extern int sas_queuecommand(struct Scsi_Host * ,struct scsi_cmnd *);
 extern int sas_target_alloc(struct scsi_target *);
 extern int sas_slave_alloc(struct scsi_device *);
 extern int sas_slave_configure(struct scsi_device *);
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 216af8538cc9..1651fef18831 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -115,33 +115,61 @@ struct scsi_cmnd;
 #define PERSISTENT_RESERVE_OUT 0x5f
 #define VARIABLE_LENGTH_CMD   0x7f
 #define REPORT_LUNS           0xa0
+#define SECURITY_PROTOCOL_IN  0xa2
 #define MAINTENANCE_IN        0xa3
 #define MAINTENANCE_OUT       0xa4
 #define MOVE_MEDIUM           0xa5
 #define EXCHANGE_MEDIUM       0xa6
 #define READ_12               0xa8
 #define WRITE_12              0xaa
+#define READ_MEDIA_SERIAL_NUMBER 0xab
 #define WRITE_VERIFY_12       0xae
 #define VERIFY_12             0xaf
 #define SEARCH_HIGH_12        0xb0
 #define SEARCH_EQUAL_12       0xb1
 #define SEARCH_LOW_12         0xb2
+#define SECURITY_PROTOCOL_OUT 0xb5
 #define READ_ELEMENT_STATUS   0xb8
 #define SEND_VOLUME_TAG       0xb6
 #define WRITE_LONG_2          0xea
+#define EXTENDED_COPY         0x83
+#define RECEIVE_COPY_RESULTS  0x84
+#define ACCESS_CONTROL_IN     0x86
+#define ACCESS_CONTROL_OUT    0x87
 #define READ_16               0x88
 #define WRITE_16              0x8a
+#define READ_ATTRIBUTE        0x8c
+#define WRITE_ATTRIBUTE       0x8d
 #define VERIFY_16             0x8f
 #define WRITE_SAME_16         0x93
 #define SERVICE_ACTION_IN     0x9e
 /* values for service action in */
 #define SAI_READ_CAPACITY_16  0x10
 #define SAI_GET_LBA_STATUS    0x12
+/* values for VARIABLE_LENGTH_CMD service action codes
+ * see spc4r17 Section D.3.5, table D.7 and D.8 */
+#define VLC_SA_RECEIVE_CREDENTIAL 0x1800
 /* values for maintenance in */
+#define MI_REPORT_IDENTIFYING_INFORMATION 0x05
 #define MI_REPORT_TARGET_PGS  0x0a
+#define MI_REPORT_ALIASES     0x0b
+#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c
+#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d
+#define MI_REPORT_PRIORITY   0x0e
+#define MI_REPORT_TIMESTAMP  0x0f
+#define MI_MANAGEMENT_PROTOCOL_IN 0x10
 /* values for maintenance out */
+#define MO_SET_IDENTIFYING_INFORMATION 0x06
 #define MO_SET_TARGET_PGS     0x0a
+#define MO_CHANGE_ALIASES     0x0b
+#define MO_SET_PRIORITY       0x0e
+#define MO_SET_TIMESTAMP      0x0f
+#define MO_MANAGEMENT_PROTOCOL_OUT 0x10
 /* values for variable length command */
+#define XDREAD_32             0x03
+#define XDWRITE_32            0x04
+#define XPWRITE_32            0x06
+#define XDWRITEREAD_32        0x07
 #define READ_32               0x09
 #define VERIFY_32             0x0a
 #define WRITE_32              0x0b
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index d0a6a845f204..e7e385842a38 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -127,8 +127,7 @@ struct scsi_host_template {
          *
          * STATUS: REQUIRED
          */
-        int (* queuecommand)(struct scsi_cmnd *,
-                             void (*done)(struct scsi_cmnd *));
+        int (* queuecommand)(struct Scsi_Host *, struct scsi_cmnd *);
 
         /*
          * The transfer functions are used to queue a scsi command to
@@ -505,6 +504,25 @@ struct scsi_host_template {
 };
 
 /*
+ * Temporary #define for host lock push down. Can be removed when all
+ * drivers have been updated to take advantage of unlocked
+ * queuecommand.
+ *
+ */
+#define DEF_SCSI_QCMD(func_name) \
+        int func_name(struct Scsi_Host *shost, struct scsi_cmnd *cmd)   \
+        {                                                               \
+                unsigned long irq_flags;                                \
+                int rc;                                                 \
+                spin_lock_irqsave(shost->host_lock, irq_flags);         \
+                scsi_cmd_get_serial(shost, cmd);                        \
+                rc = func_name##_lck (cmd, cmd->scsi_done);                     \
+                spin_unlock_irqrestore(shost->host_lock, irq_flags);    \
+                return rc;                                              \
+        }
+
+
+/*
  * shost state: If you alter this, you also need to alter scsi_sysfs.c
  * (for the ascii descriptions) and the state model enforcer:
  * scsi_host_set_state()
@@ -752,6 +770,7 @@ extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *);
 extern void scsi_host_put(struct Scsi_Host *t);
 extern struct Scsi_Host *scsi_host_lookup(unsigned short);
 extern const char *scsi_host_state_name(enum scsi_host_state);
+extern void scsi_cmd_get_serial(struct Scsi_Host *, struct scsi_cmnd *);
 
 extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *);