Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / drivers / target / target_core_pr.h

diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h
new file mode 100644 (file)
index 0000000..5603bcf
--- /dev/null
+++ b/drivers/target/target_core_pr.h
@@ -0,0 +1,67 @@
+#ifndef TARGET_CORE_PR_H
+#define TARGET_CORE_PR_H
+/*
+ * PERSISTENT_RESERVE_OUT service action codes
+ *
+ * spc4r17 section 6.14.2 Table 171
+ */
+#define PRO_REGISTER                           0x00
+#define PRO_RESERVE                            0x01
+#define PRO_RELEASE                            0x02
+#define PRO_CLEAR                              0x03
+#define PRO_PREEMPT                            0x04
+#define PRO_PREEMPT_AND_ABORT                  0x05
+#define PRO_REGISTER_AND_IGNORE_EXISTING_KEY   0x06
+#define PRO_REGISTER_AND_MOVE                  0x07
+/*
+ * PERSISTENT_RESERVE_IN service action codes
+ *
+ * spc4r17 section 6.13.1 Table 159
+ */
+#define PRI_READ_KEYS                          0x00
+#define PRI_READ_RESERVATION                   0x01
+#define PRI_REPORT_CAPABILITIES                        0x02
+#define PRI_READ_FULL_STATUS                   0x03
+/*
+ * PERSISTENT_RESERVE_ SCOPE field
+ *
+ * spc4r17 section 6.13.3.3 Table 163
+ */
+#define PR_SCOPE_LU_SCOPE                      0x00
+/*
+ * PERSISTENT_RESERVE_* TYPE field
+ *
+ * spc4r17 section 6.13.3.4 Table 164
+ */
+#define PR_TYPE_WRITE_EXCLUSIVE                        0x01
+#define PR_TYPE_EXCLUSIVE_ACCESS               0x03
+#define PR_TYPE_WRITE_EXCLUSIVE_REGONLY                0x05
+#define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY       0x06
+#define PR_TYPE_WRITE_EXCLUSIVE_ALLREG         0x07
+#define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG                0x08
+
+#define PR_APTPL_MAX_IPORT_LEN                 256
+#define PR_APTPL_MAX_TPORT_LEN                 256
+
+extern struct kmem_cache *t10_pr_reg_cache;
+
+extern int core_pr_dump_initiator_port(struct t10_pr_registration *,
+                       char *, u32);
+extern int core_scsi2_emulate_crh(struct se_cmd *);
+extern int core_scsi3_alloc_aptpl_registration(
+                       struct t10_reservation_template *, u64,
+                       unsigned char *, unsigned char *, u32,
+                       unsigned char *, u16, u32, int, int, u8);
+extern int core_scsi3_check_aptpl_registration(struct se_device *,
+                       struct se_portal_group *, struct se_lun *,
+                       struct se_lun_acl *);
+extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
+                                            struct se_node_acl *);
+extern void core_scsi3_free_all_registrations(struct se_device *);
+extern unsigned char *core_scsi3_pr_dump_type(int);
+extern int core_scsi3_check_cdb_abort_and_preempt(struct list_head *,
+                                                 struct se_cmd *);
+extern int core_scsi3_emulate_pr(struct se_cmd *);
+extern int core_setup_reservations(struct se_device *, int);
+
+#endif /* TARGET_CORE_PR_H */