diff options
Diffstat (limited to 'drivers/target/target_core_pr.h')
| -rw-r--r-- | drivers/target/target_core_pr.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h new file mode 100644 index 000000000..198fad5c8 --- /dev/null +++ b/drivers/target/target_core_pr.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef TARGET_CORE_PR_H +#define TARGET_CORE_PR_H + +#include <linux/types.h> +#include <target/target_core_base.h> + +/* + * PERSISTENT_RESERVE_OUT service action codes + * + * spc5r04b section 6.15.2 Table 174 + */ +#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 +#define PRO_REPLACE_LOST_RESERVATION 0x08 +/* + * PERSISTENT_RESERVE_IN service action codes + * + * spc5r04b section 6.14.1 Table 162 + */ +#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 + * + * spc5r04b section 6.14.3.2 Table 166 + */ +#define PR_SCOPE_LU_SCOPE 0x00 +/* + * PERSISTENT_RESERVE_* TYPE field + * + * spc5r04b section 6.14.3.3 Table 167 + */ +#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 + +/* + * Function defined in target_core_spc.c + */ +void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *); + +extern struct kmem_cache *t10_pr_reg_cache; + +extern void core_pr_dump_initiator_port(struct t10_pr_registration *, + char *, u32); +extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *); +extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *); +extern int core_scsi3_alloc_aptpl_registration( + struct t10_reservation *, u64, + unsigned char *, unsigned char *, u64, + unsigned char *, u16, u64, int, int, u8); +extern int core_scsi3_check_aptpl_registration(struct se_device *, + struct se_portal_group *, struct se_lun *, + struct se_node_acl *, u64); +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 sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *); +extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *); +extern sense_reason_t target_check_reservation(struct se_cmd *); + +#endif /* TARGET_CORE_PR_H */ |