1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef TARGET_CORE_PR_H 3 #define TARGET_CORE_PR_H 4 5 #include <linux/types.h> 6 #include <target/target_core_base.h> 7 8 /* 9 * PERSISTENT_RESERVE_OUT service action codes 10 * 11 * spc5r04b section 6.15.2 Table 174 12 */ 13 #define PRO_REGISTER 0x00 14 #define PRO_RESERVE 0x01 15 #define PRO_RELEASE 0x02 16 #define PRO_CLEAR 0x03 17 #define PRO_PREEMPT 0x04 18 #define PRO_PREEMPT_AND_ABORT 0x05 19 #define PRO_REGISTER_AND_IGNORE_EXISTING_KEY 0x06 20 #define PRO_REGISTER_AND_MOVE 0x07 21 #define PRO_REPLACE_LOST_RESERVATION 0x08 22 /* 23 * PERSISTENT_RESERVE_IN service action codes 24 * 25 * spc5r04b section 6.14.1 Table 162 26 */ 27 #define PRI_READ_KEYS 0x00 28 #define PRI_READ_RESERVATION 0x01 29 #define PRI_REPORT_CAPABILITIES 0x02 30 #define PRI_READ_FULL_STATUS 0x03 31 /* 32 * PERSISTENT_RESERVE_ SCOPE field 33 * 34 * spc5r04b section 6.14.3.2 Table 166 35 */ 36 #define PR_SCOPE_LU_SCOPE 0x00 37 /* 38 * PERSISTENT_RESERVE_* TYPE field 39 * 40 * spc5r04b section 6.14.3.3 Table 167 41 */ 42 #define PR_TYPE_WRITE_EXCLUSIVE 0x01 43 #define PR_TYPE_EXCLUSIVE_ACCESS 0x03 44 #define PR_TYPE_WRITE_EXCLUSIVE_REGONLY 0x05 45 #define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY 0x06 46 #define PR_TYPE_WRITE_EXCLUSIVE_ALLREG 0x07 47 #define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG 0x08 48 49 #define PR_APTPL_MAX_IPORT_LEN 256 50 #define PR_APTPL_MAX_TPORT_LEN 256 51 52 /* 53 * Function defined in target_core_spc.c 54 */ 55 void spc_gen_naa_6h_vendor_specific(struct se_device *, unsigned char *); 56 57 extern struct kmem_cache *t10_pr_reg_cache; 58 59 extern void core_pr_dump_initiator_port(struct t10_pr_registration *, 60 char *, u32); 61 extern void target_release_reservation(struct se_device *dev); 62 extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *); 63 extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *); 64 extern int core_scsi3_alloc_aptpl_registration( 65 struct t10_reservation *, u64, 66 unsigned char *, unsigned char *, u64, 67 unsigned char *, u16, u64, int, int, u8); 68 extern int core_scsi3_check_aptpl_registration(struct se_device *, 69 struct se_portal_group *, struct se_lun *, 70 struct se_node_acl *, u64); 71 extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *, 72 struct se_node_acl *); 73 extern void core_scsi3_free_all_registrations(struct se_device *); 74 extern unsigned char *core_scsi3_pr_dump_type(int); 75 76 extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *); 77 extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *); 78 extern sense_reason_t target_check_reservation(struct se_cmd *); 79 80 #endif /* TARGET_CORE_PR_H */ 81