13 files changed, 49 insertions, 48 deletions

diff --git a/include/scsi/fc/fc_fcp.h b/include/scsi/fc/fc_fcp.h
index 0d7d67e96d43..9c8702942b61 100644
--- a/include/scsi/fc/fc_fcp.h
+++ b/include/scsi/fc/fc_fcp.h
@@ -127,6 +127,9 @@ struct fcp_txrdy {
  *
  * All response frames will always contain the fcp_resp template.  Some
  * will also include the fcp_resp_len template.
+ *
+ * From Table 23, the FCP_RSP_INFO can either be 4 bytes or 8 bytes, both
+ * are valid length.
  */
 struct fcp_resp {
         __u8            _fr_resvd[8];   /* reserved */
@@ -156,6 +159,9 @@ struct fcp_resp_rsp_info {
     __u8      _fr_resvd2[4];      /* reserved */
 };
 
+#define FCP_RESP_RSP_INFO_LEN4    4 /* without reserved field */
+#define FCP_RESP_RSP_INFO_LEN8    8 /* with reserved field */
+
 struct fcp_resp_with_ext {
         struct fcp_resp resp;
         struct fcp_resp_ext ext;
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 22b07cc99808..8742d853a3b8 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -327,7 +327,6 @@ struct fcoe_percpu_s {
  * @lport:                     The associated local port
  * @fcoe_pending_queue:        The pending Rx queue of skbs
  * @fcoe_pending_queue_active: Indicates if the pending queue is active
- * @priority:                  Packet priority (DCB)
  * @max_queue_depth:           Max queue depth of pending queue
  * @min_queue_depth:           Min queue depth of pending queue
  * @timer:                     The queue timer
@@ -343,7 +342,6 @@ struct fcoe_port {
         struct fc_lport       *lport;
         struct sk_buff_head   fcoe_pending_queue;
         u8                    fcoe_pending_queue_active;
-        u8                    priority;
         u32                   max_queue_depth;
         u32                   min_queue_depth;
         struct timer_list     timer;
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index ae33706afeb0..ef937b56f9b5 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -79,7 +79,8 @@ enum phy_event {
         PHYE_OOB_DONE         = 1,
         PHYE_OOB_ERROR        = 2,
         PHYE_SPINUP_HOLD      = 3, /* hot plug SATA, no COMWAKE sent */
-        PHY_NUM_EVENTS        = 4,
+        PHYE_RESUME_TIMEOUT   = 4,
+        PHY_NUM_EVENTS        = 5,
 };
 
 enum discover_event {
@@ -87,8 +88,10 @@ enum discover_event {
         DISCE_REVALIDATE_DOMAIN = 1,
         DISCE_PORT_GONE         = 2,
         DISCE_PROBE             = 3,
-        DISCE_DESTRUCT          = 4,
-        DISC_NUM_EVENTS         = 5,
+        DISCE_SUSPEND           = 4,
+        DISCE_RESUME            = 5,
+        DISCE_DESTRUCT          = 6,
+        DISC_NUM_EVENTS         = 7,
 };
 
 /* ---------- Expander Devices ---------- */
@@ -128,7 +131,7 @@ struct ex_phy {
         u8   attached_sas_addr[SAS_ADDR_SIZE];
         u8   attached_phy_id;
 
-        u8   phy_change_count;
+        int phy_change_count;
         enum routing_attribute routing_attr;
         u8   virtual:1;
 
@@ -141,7 +144,7 @@ struct ex_phy {
 struct expander_device {
         struct list_head children;
 
-        u16    ex_change_count;
+        int    ex_change_count;
         u16    max_route_indexes;
         u8     num_phys;
 
@@ -169,6 +172,7 @@ struct sata_device {
         enum   ata_command_set command_set;
         struct smp_resp        rps_resp; /* report_phy_sata_resp */
         u8     port_no;        /* port number, if this is a PM (Port) */
+        int    pm_result;
 
         struct ata_port *ap;
         struct ata_host ata_host;
@@ -182,6 +186,7 @@ struct ssp_device {
 
 enum {
         SAS_DEV_GONE,
+        SAS_DEV_FOUND, /* device notified to lldd */
         SAS_DEV_DESTROY,
         SAS_DEV_EH_PENDING,
         SAS_DEV_LU_RESET,
@@ -273,6 +278,7 @@ struct asd_sas_port {
         enum   sas_linkrate linkrate;
 
         struct sas_work work;
+        int suspended;
 
 /* public: */
         int id;
@@ -321,6 +327,7 @@ struct asd_sas_phy {
         unsigned long phy_events_pending;
 
         int error;
+        int suspended;
 
         struct sas_phy *phy;
 
@@ -687,6 +694,9 @@ struct sas_domain_function_template {
 
 extern int sas_register_ha(struct sas_ha_struct *);
 extern int sas_unregister_ha(struct sas_ha_struct *);
+extern void sas_prep_resume_ha(struct sas_ha_struct *sas_ha);
+extern void sas_resume_ha(struct sas_ha_struct *sas_ha);
+extern void sas_suspend_ha(struct sas_ha_struct *sas_ha);
 
 int sas_set_phy_speed(struct sas_phy *phy,
                       struct sas_phy_linkrates *rates);
diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h
index 56e920ade326..303ba1118a4d 100644
--- a/include/scsi/osd_attributes.h
+++ b/include/scsi/osd_attributes.h
@@ -1,7 +1,7 @@
 #ifndef __OSD_ATTRIBUTES_H__
 #define __OSD_ATTRIBUTES_H__
 
-#include "osd_protocol.h"
+#include <scsi/osd_protocol.h>
 
 /*
  * Contains types and constants that define attribute pages and attribute
diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
index 572fb5493661..b2e85fdd2ae0 100644
--- a/include/scsi/osd_initiator.h
+++ b/include/scsi/osd_initiator.h
@@ -14,8 +14,8 @@
 #ifndef __OSD_INITIATOR_H__
 #define __OSD_INITIATOR_H__
 
-#include "osd_protocol.h"
-#include "osd_types.h"
+#include <scsi/osd_protocol.h>
+#include <scsi/osd_types.h>
 
 #include <linux/blkdev.h>
 #include <scsi/scsi_device.h>
diff --git a/include/scsi/osd_sec.h b/include/scsi/osd_sec.h
index 4c09fee8ae1e..f96151c9c9e8 100644
--- a/include/scsi/osd_sec.h
+++ b/include/scsi/osd_sec.h
@@ -14,8 +14,8 @@
 #ifndef __OSD_SEC_H__
 #define __OSD_SEC_H__
 
-#include "osd_protocol.h"
-#include "osd_types.h"
+#include <scsi/osd_protocol.h>
+#include <scsi/osd_types.h>
 
 /*
  * Contains types and constants of osd capabilities and security
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index 2dfbdaa0b34a..ff71a5654684 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -45,6 +45,8 @@ 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);
 #else
 
@@ -82,6 +84,14 @@ static inline void sas_probe_sata(struct asd_sas_port *port)
 {
 }
 
+static inline void sas_suspend_sata(struct asd_sas_port *port)
+{
+}
+
+static inline void sas_resume_sata(struct asd_sas_port *port)
+{
+}
+
 static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
 {
         return 0;
diff --git a/include/scsi/scsi_bsg_fc.h b/include/scsi/scsi_bsg_fc.h
index 91a4e4ff9a9b..3031b900b087 100644
--- a/include/scsi/scsi_bsg_fc.h
+++ b/include/scsi/scsi_bsg_fc.h
@@ -26,8 +26,6 @@
  * This file intended to be included by both kernel and user space
  */
 
-#include <scsi/scsi.h>
-
 /*
  * FC Transport SGIO v4 BSG Message Support
  */
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index ac06cc595890..de5f5d8f1f8a 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -132,18 +132,10 @@ struct scsi_cmnd {
         unsigned char tag;      /* SCSI-II queued command tag */
 };
 
+/* make sure not to use it with REQ_TYPE_BLOCK_PC commands */
 static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
 {
-        struct scsi_driver **sdp;
-
-        if (!cmd->request->rq_disk)
-                return NULL;
-
-        sdp = (struct scsi_driver **)cmd->request->rq_disk->private_data;
-        if (!sdp)
-                return NULL;
-
-        return *sdp;
+        return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
 }
 
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 9895f69294fc..88fae8d20154 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -156,6 +156,7 @@ struct scsi_device {
         unsigned is_visible:1;  /* is the device visible in sysfs */
         unsigned can_power_off:1; /* Device supports runtime power off */
         unsigned wce_default_on:1;      /* Cache is ON by default */
+        unsigned no_dif:1;      /* T10 PI (DIF) should be disabled */
 
         DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
         struct list_head event_list;    /* asserted events */
@@ -476,6 +477,9 @@ static inline int scsi_device_enclosure(struct scsi_device *sdev)
 
 static inline int scsi_device_protection(struct scsi_device *sdev)
 {
+        if (sdev->no_dif)
+                return 0;
+
         return sdev->scsi_level > SCSI_2 && sdev->inquiry[5] & (1<<0);
 }
 
diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h
index b4ddd3b18b4c..cc1f3e786ad7 100644
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -30,4 +30,5 @@
 #define BLIST_RETRY_HWERROR     0x400000 /* retry HARDWARE_ERROR */
 #define BLIST_MAX_512           0x800000 /* maximum 512 sector cdb length */
 #define BLIST_ATTACH_PQ3        0x1000000 /* Scan: Attach to PQ3 devices */
+#define BLIST_NO_DIF            0x2000000 /* Disable T10 PI (DIF) */
 #endif
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 5f7d5b3b1c6e..49084807eb6b 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -873,6 +873,9 @@ static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsign
                                        SHOST_DIF_TYPE2_PROTECTION,
                                        SHOST_DIF_TYPE3_PROTECTION };
 
+        if (target_type > SHOST_DIF_TYPE3_PROTECTION)
+                return 0;
+
         return shost->prot_capabilities & cap[target_type] ? target_type : 0;
 }
 
@@ -884,6 +887,9 @@ static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsign
                                        SHOST_DIX_TYPE2_PROTECTION,
                                        SHOST_DIX_TYPE3_PROTECTION };
 
+        if (target_type > SHOST_DIX_TYPE3_PROTECTION)
+                return 0;
+
         return shost->prot_capabilities & cap[target_type];
 #endif
         return 0;
diff --git a/include/scsi/scsi_netlink.h b/include/scsi/scsi_netlink.h
index 5cb20ccb1956..62b4edab15d3 100644
--- a/include/scsi/scsi_netlink.h
+++ b/include/scsi/scsi_netlink.h
@@ -119,29 +119,5 @@ struct scsi_nl_host_vendor_msg {
         (hdr)->msglen = mlen;                                   \
         }
 
-
-#ifdef __KERNEL__
-
-#include <scsi/scsi_host.h>
-
-/* Exported Kernel Interfaces */
-int scsi_nl_add_transport(u8 tport,
-         int (*msg_handler)(struct sk_buff *),
-        void (*event_handler)(struct notifier_block *, unsigned long, void *));
-void scsi_nl_remove_transport(u8 tport);
-
-int scsi_nl_add_driver(u64 vendor_id, struct scsi_host_template *hostt,
-        int (*nlmsg_handler)(struct Scsi_Host *shost, void *payload,
-                                 u32 len, u32 pid),
-        void (*nlevt_handler)(struct notifier_block *nb,
-                                 unsigned long event, void *notify_ptr));
-void scsi_nl_remove_driver(u64 vendor_id);
-
-void scsi_nl_send_transport_msg(u32 pid, struct scsi_nl_hdr *hdr);
-int scsi_nl_send_vendor_msg(u32 pid, unsigned short host_no, u64 vendor_id,
-                         char *data_buf, u32 data_len);
-
-#endif /* __KERNEL__ */
-
 #endif /* SCSI_NETLINK_H */