Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is an assorted set of stragglers into the merge window with
  driver updates for qla2xxx, megaraid_sas, storvsc and ufs.

  It also includes pulls of the uapi tree (all the remaining SCSI
  pieces) and the fcoe tree (updates to fcoe and libfc)"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (81 commits)
  [SCSI] ufs: Separate PCI code into glue driver
  [SCSI] ufs: Segregate PCI Specific Code
  [SCSI] scsi: fix lpfc build when wmb() is defined as mb()
  [SCSI] storvsc: Handle dynamic resizing of the device
  [SCSI] storvsc: Restructure error handling code on command completion
  [SCSI] storvsc: avoid usage of WRITE_SAME
  [SCSI] aacraid: suppress two GCC warnings
  [SCSI] hpsa: check for dma_mapping_error in hpsa_passthru ioctls
  [SCSI] hpsa: reorganize error handling in hpsa_passthru_ioctl
  [SCSI] hpsa: check for dma_mapping_error in hpsa_map_sg_chain_block
  [SCSI] hpsa: Check for dma_mapping_error for all code paths using fill_cmd
  [SCSI] hpsa: Check for dma_mapping_error in hpsa_map_one
  [SCSI] dc395x: uninitialized variable in device_alloc()
  [SCSI] Fix range check in scsi_host_dif_capable()
  [SCSI] storvsc: Initialize the sglist
  [SCSI] mpt2sas: Add support for OEM specific controller
  [SCSI] ipr: Fix oops while resetting an ipr adapter
  [SCSI] fnic: Fnic Trace Utility
  [SCSI] fnic: New debug flags and debug log messages
  [SCSI] fnic: fnic driver may hit BUG_ON on device reset
  ...

14 files changed, 49 insertions, 12 deletions

diff --git a/include/scsi/Kbuild b/include/scsi/Kbuild
index f2b94918994d..562ff9d591b8 100644
--- a/include/scsi/Kbuild
+++ b/include/scsi/Kbuild
@@ -1,4 +1 @@
-header-y += scsi_netlink.h
-header-y += scsi_netlink_fc.h
-header-y += scsi_bsg_fc.h
 header-y += fc/
diff --git a/include/scsi/fc/Kbuild b/include/scsi/fc/Kbuild
index 56603813c6cd..e69de29bb2d1 100644
--- a/include/scsi/fc/Kbuild
+++ b/include/scsi/fc/Kbuild
@@ -1,4 +0,0 @@
-header-y += fc_els.h
-header-y += fc_fs.h
-header-y += fc_gs.h
-header-y += fc_ns.h
diff --git a/include/scsi/fcoe_sysfs.h b/include/scsi/fcoe_sysfs.h
index 604cb9bb3e76..7e2314870341 100644
--- a/include/scsi/fcoe_sysfs.h
+++ b/include/scsi/fcoe_sysfs.h
@@ -34,7 +34,8 @@ struct fcoe_sysfs_function_template {
 	void (*get_fcoe_ctlr_symb_err)(struct fcoe_ctlr_device *);
 	void (*get_fcoe_ctlr_err_block)(struct fcoe_ctlr_device *);
 	void (*get_fcoe_ctlr_fcs_error)(struct fcoe_ctlr_device *);
-	void (*get_fcoe_ctlr_mode)(struct fcoe_ctlr_device *);
+	void (*set_fcoe_ctlr_mode)(struct fcoe_ctlr_device *);
+	int  (*set_fcoe_ctlr_enabled)(struct fcoe_ctlr_device *);
 	void (*get_fcoe_fcf_selected)(struct fcoe_fcf_device *);
 	void (*get_fcoe_fcf_vlan_id)(struct fcoe_fcf_device *);
 };
@@ -48,6 +49,12 @@ enum fip_conn_type {
 	FIP_CONN_TYPE_VN2VN,
 };
 
+enum ctlr_enabled_state {
+	FCOE_CTLR_ENABLED,
+	FCOE_CTLR_DISABLED,
+	FCOE_CTLR_UNUSED,
+};
+
 struct fcoe_ctlr_device {
 	u32				id;
 
@@ -64,6 +71,8 @@ struct fcoe_ctlr_device {
 	int                             fcf_dev_loss_tmo;
 	enum fip_conn_type              mode;
 
+	enum ctlr_enabled_state         enabled;
+
 	/* expected in host order for displaying */
 	struct fcoe_fc_els_lesb         lesb;
 };
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 8742d853a3b8..4427393115ea 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -260,6 +260,9 @@ void __fcoe_get_lesb(struct fc_lport *lport, struct fc_els_lesb *fc_lesb,
 		     struct net_device *netdev);
 void fcoe_wwn_to_str(u64 wwn, char *buf, int len);
 int fcoe_validate_vport_create(struct fc_vport *vport);
+int fcoe_link_speed_update(struct fc_lport *);
+void fcoe_get_lesb(struct fc_lport *, struct fc_els_lesb *);
+void fcoe_ctlr_get_lesb(struct fcoe_ctlr_device *ctlr_dev);
 
 /**
  * is_fip_mode() - returns true if FIP mode selected.
@@ -289,8 +292,11 @@ static inline bool is_fip_mode(struct fcoe_ctlr *fip)
  * @attached:	whether this transport is already attached
  * @list:	list linkage to all attached transports
  * @match:	handler to allow the transport driver to match up a given netdev
+ * @alloc:      handler to allocate per-instance FCoE structures
+ *		(no discovery or login)
  * @create:	handler to sysfs entry of create for FCoE instances
- * @destroy:	handler to sysfs entry of destroy for FCoE instances
+ * @destroy:    handler to delete per-instance FCoE structures
+ *		(frees all memory)
  * @enable:	handler to sysfs entry of enable for FCoE instances
  * @disable:	handler to sysfs entry of disable for FCoE instances
  */
@@ -299,6 +305,7 @@ struct fcoe_transport {
 	bool attached;
 	struct list_head list;
 	bool (*match) (struct net_device *device);
+	int (*alloc) (struct net_device *device);
 	int (*create) (struct net_device *device, enum fip_state fip_mode);
 	int (*destroy) (struct net_device *device);
 	int (*enable) (struct net_device *device);
@@ -347,7 +354,20 @@ struct fcoe_port {
 	struct timer_list     timer;
 	struct work_struct    destroy_work;
 	u8		      data_src_addr[ETH_ALEN];
+	struct net_device * (*get_netdev)(const struct fc_lport *lport);
 };
+
+/**
+ * fcoe_get_netdev() - Return the net device associated with a local port
+ * @lport: The local port to get the net device from
+ */
+static inline struct net_device *fcoe_get_netdev(const struct fc_lport *lport)
+{
+	struct fcoe_port *port = ((struct fcoe_port *)lport_priv(lport));
+
+	return (port->get_netdev) ? port->get_netdev(lport) : NULL;
+}
+
 void fcoe_clean_pending_queue(struct fc_lport *);
 void fcoe_check_wait_queue(struct fc_lport *lport, struct sk_buff *skb);
 void fcoe_queue_timer(ulong lport);
@@ -356,7 +376,7 @@ int fcoe_get_paged_crc_eof(struct sk_buff *skb, int tlen,
 
 /* FCoE Sysfs helpers */
 void fcoe_fcf_get_selected(struct fcoe_fcf_device *);
-void fcoe_ctlr_get_fip_mode(struct fcoe_ctlr_device *);
+void fcoe_ctlr_set_fip_mode(struct fcoe_ctlr_device *);
 
 /**
  * struct netdev_list
@@ -372,4 +392,12 @@ struct fcoe_netdev_mapping {
 int fcoe_transport_attach(struct fcoe_transport *ft);
 int fcoe_transport_detach(struct fcoe_transport *ft);
 
+/* sysfs store handler for ctrl_control interface */
+ssize_t fcoe_ctlr_create_store(struct bus_type *bus,
+			       const char *buf, size_t count);
+ssize_t fcoe_ctlr_destroy_store(struct bus_type *bus,
+				const char *buf, size_t count);
+
 #endif /* _LIBFCOE_H */
+
+
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 49084807eb6b..2b6956e9853d 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -873,7 +873,7 @@ 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)
+	if (target_type >= ARRAY_SIZE(cap))
 		return 0;
 
 	return shost->prot_capabilities & cap[target_type] ? target_type : 0;
@@ -887,7 +887,7 @@ 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)
+	if (target_type >= ARRAY_SIZE(cap))
 		return 0;
 
 	return shost->prot_capabilities & cap[target_type];
diff --git a/include/uapi/scsi/Kbuild b/include/uapi/scsi/Kbuild
index 29a87dd26cfb..75746d52f208 100644
--- a/include/uapi/scsi/Kbuild
+++ b/include/uapi/scsi/Kbuild
@@ -1,2 +1,5 @@
 # UAPI Header export list
 header-y += fc/
+header-y += scsi_bsg_fc.h
+header-y += scsi_netlink.h
+header-y += scsi_netlink_fc.h
diff --git a/include/uapi/scsi/fc/Kbuild b/include/uapi/scsi/fc/Kbuild
index aafaa5aa54d4..5ead9fac265c 100644
--- a/include/uapi/scsi/fc/Kbuild
+++ b/include/uapi/scsi/fc/Kbuild
@@ -1 +1,5 @@
 # UAPI Header export list
+header-y += fc_els.h
+header-y += fc_fs.h
+header-y += fc_gs.h
+header-y += fc_ns.h
diff --git a/include/scsi/fc/fc_els.h b/include/uapi/scsi/fc/fc_els.h
index 481abbd48e39..481abbd48e39 100644
--- a/include/scsi/fc/fc_els.h
+++ b/include/uapi/scsi/fc/fc_els.h
diff --git a/include/scsi/fc/fc_fs.h b/include/uapi/scsi/fc/fc_fs.h
index 50f28b143451..50f28b143451 100644
--- a/include/scsi/fc/fc_fs.h
+++ b/include/uapi/scsi/fc/fc_fs.h
diff --git a/include/scsi/fc/fc_gs.h b/include/uapi/scsi/fc/fc_gs.h
index a37346d47eb1..a37346d47eb1 100644
--- a/include/scsi/fc/fc_gs.h
+++ b/include/uapi/scsi/fc/fc_gs.h
diff --git a/include/scsi/fc/fc_ns.h b/include/uapi/scsi/fc/fc_ns.h
index f7751d53f1d3..f7751d53f1d3 100644
--- a/include/scsi/fc/fc_ns.h
+++ b/include/uapi/scsi/fc/fc_ns.h
diff --git a/include/scsi/scsi_bsg_fc.h b/include/uapi/scsi/scsi_bsg_fc.h
index 3031b900b087..3031b900b087 100644
--- a/include/scsi/scsi_bsg_fc.h
+++ b/include/uapi/scsi/scsi_bsg_fc.h
diff --git a/include/scsi/scsi_netlink.h b/include/uapi/scsi/scsi_netlink.h
index 62b4edab15d3..62b4edab15d3 100644
--- a/include/scsi/scsi_netlink.h
+++ b/include/uapi/scsi/scsi_netlink.h
diff --git a/include/scsi/scsi_netlink_fc.h b/include/uapi/scsi/scsi_netlink_fc.h
index cbf76e479761..cbf76e479761 100644
--- a/include/scsi/scsi_netlink_fc.h
+++ b/include/uapi/scsi/scsi_netlink_fc.h