target: use 64-bit LUNs

As we're now using a list to hold the LUNs the target core
can now converted to use 64-bit LUNs internally.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

2 files changed, 15 insertions, 14 deletions

diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index eefc2b0..836ff8a 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -355,8 +355,8 @@ struct t10_pr_registration {
 	int pr_res_scope;
 	/* Used for fabric initiator WWPNs using a ISID */
 	bool isid_present_at_reg;
-	u32 pr_res_mapped_lun;
-	u32 pr_aptpl_target_lun;
+	u64 pr_res_mapped_lun;
+	u64 pr_aptpl_target_lun;
 	u16 tg_pt_sep_rtpi;
 	u32 pr_res_generation;
 	u64 pr_reg_bin_isid;
@@ -476,7 +476,7 @@ struct se_cmd {
 	/* Total size in bytes associated with command */
 	u32			data_length;
 	u32			residual_count;
-	u32			orig_fe_lun;
+	u64			orig_fe_lun;
 	/* Persistent Reservation key */
 	u64			pr_res_key;
 	/* Used for sense data */
@@ -614,7 +614,7 @@ struct se_ml_stat_grps {
 
 struct se_lun_acl {
 	char			initiatorname[TRANSPORT_IQN_LEN];
-	u32			mapped_lun;
+	u64			mapped_lun;
 	struct se_node_acl	*se_lun_nacl;
 	struct se_lun		*se_lun;
 	struct config_group	se_lun_group;
@@ -623,10 +623,10 @@ struct se_lun_acl {
 
 struct se_dev_entry {
 	/* See transport_lunflags_table */
-	u32			lun_flags;
-	u32			mapped_lun;
+	u64			mapped_lun;
 	u64			pr_res_key;
 	u64			creation_time;
+	u32			lun_flags;
 	u32			attach_count;
 	atomic_long_t		total_cmds;
 	atomic_long_t		read_bytes;
@@ -696,14 +696,15 @@ struct scsi_port_stats {
 };
 
 struct se_lun {
-	/* RELATIVE TARGET PORT IDENTIFER */
-	u16			lun_rtpi;
+	u64			unpacked_lun;
 #define SE_LUN_LINK_MAGIC			0xffff7771
 	u32			lun_link_magic;
 	u32			lun_access;
 	u32			lun_flags;
-	u32			unpacked_lun;
 	u32			lun_index;
+
+	/* RELATIVE TARGET PORT IDENTIFER */
+	u16			lun_rtpi;
 	atomic_t		lun_acl_count;
 	struct se_device __rcu	*lun_se_dev;
 
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index d6216b7..18afef9 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -116,16 +116,16 @@ void	transport_deregister_session(struct se_session *);
 void	transport_init_se_cmd(struct se_cmd *,
 		const struct target_core_fabric_ops *,
 		struct se_session *, u32, int, int, unsigned char *);
-sense_reason_t transport_lookup_cmd_lun(struct se_cmd *, u32);
+sense_reason_t transport_lookup_cmd_lun(struct se_cmd *, u64);
 sense_reason_t target_setup_cmd_from_cdb(struct se_cmd *, unsigned char *);
 int	target_submit_cmd_map_sgls(struct se_cmd *, struct se_session *,
-		unsigned char *, unsigned char *, u32, u32, int, int, int,
+		unsigned char *, unsigned char *, u64, u32, int, int, int,
 		struct scatterlist *, u32, struct scatterlist *, u32,
 		struct scatterlist *, u32);
 int	target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
-		unsigned char *, u32, u32, int, int, int);
+		unsigned char *, u64, u32, int, int, int);
 int	target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
-		unsigned char *sense, u32 unpacked_lun,
+		unsigned char *sense, u64 unpacked_lun,
 		void *fabric_tmr_ptr, unsigned char tm_type,
 		gfp_t, unsigned int, int);
 int	transport_handle_cdb_direct(struct se_cmd *);
@@ -151,7 +151,7 @@ void	core_tmr_release_req(struct se_tmr_req *);
 int	transport_generic_handle_tmr(struct se_cmd *);
 void	transport_generic_request_failure(struct se_cmd *, sense_reason_t);
 void	__target_execute_cmd(struct se_cmd *);
-int	transport_lookup_tmr_lun(struct se_cmd *, u32);
+int	transport_lookup_tmr_lun(struct se_cmd *, u64);
 
 struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
 		unsigned char *);